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Squashed 'external/imgui/imgui/' changes from d4ddc46e77..d6cb3c923d

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d6cb3c923d Version 1.90.1
6470e2279e Debug Tools: DebugRenderKeyboardPreview() scales better.
fdf8d02be1 Debug Tools: Added io.ConfigDebugIsDebuggerPresent and Debug Break buttons. (#2673)
788bb58b6b Metrics: Tweak, reorganize tools menu.
a5dec42866 Debug Tools: Debug Log: Clicking any filter with SHIFT held enables it for 2 frames only. (#5855)
a3eea8a75a Backends: OpenGL3: Update GL3W based imgui_impl_opengl3_loader.h to load "libGL.so" and variants, fixing regression on distros missing a symlink. (#6983)
69bf3291df Internals, Inputs: Fix for ImGuiInputFlags_RepeatUntilXXX logic when #ifdef IMGUI_DISABLE_OBSOLETE_KEYIO is not set.
af00b182e3 Examples: SDL3: Minor fixes following changes to API (SDL_WindowFlags -> Uint32).
fc2e532f99 Shortcut: do not return true on mods changes. Internals: added ImGuiInputFlags_RepeatUntilKeyModsChange, ImGuiInputFlags_RepeatUntilKeyModsChangeFromNone, ImGuiInputFlags_RepeatUntilOtherKeyPress. (#456, #2637)
8323a06e6d Inputs: passing ImGuiInputFlags_RepeatXXX options automatically adds ImGuiInputFlags_Repeat.
58261dbe9a Internals: alter ImGuiInputFlags values to leave room + indent.
f1ae47c4b9 Docs: update links to Proggy Fonts. (#7211)
7f9533b840 ColorPicker: Fixed saturation/value cursor radius not scaling properly.
27e83c2953 Add comment about how ImGuiKey values are named after US keyboard keys. (#7205)
278cf1a7bc Readme: updated binaries. (#7193)
edeb8ee3ab More compact issue_template.yml
c6716f5e9f Fixed typo (#7197)
a1b06823fe Windows: BeginChild(): Resize borders rendered even when ImGuiWindowFlags_NoBackground is specified. (#1710, #7194)
0461ade24b Reworked issue template (amends) (#5927, #5915)
c528b688cf Reworked issue template. (#5927, #5915)
26eef4df87 Update issue_template.md
7938550d52 Comments and some extra line-wrapping in demo (#3193)
4758f74676 imgui_freetype: fix nullptr to ImTextureID cast (#7192)
6f10cef2a1 Backends: Vulkan: moved structure declarations.
33d18c580b Misc: During shutdown, check that io.BackendPlatformUserData and io.BackendRendererUserData are NULL. (#7175)
0ea99132c8 Backends: Vulkan: Stop creating command pools with VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT as we don't reset them.
4778560e66 Backends: Vulkan: Added MinAllocationSize field in ImGui_ImplVulkan_InitInfo to workaround zealous validation layer. (#7189, #4238)
e8dd47effa Backends: WebGPU: Fixing an issue when opening a popup in the wgpu backend (#7191)
718fa0eec6 Happy new year!
240ab5890b Backends: GLFW, Input: Use Unicode version of WndProc for get correct input for text in utf-8 code page. (#7174)
4a2426449a Drags, Sliders, Inputs: removed all attempts to filter non-numerical characters during text editing. (#6810, #7096)
f039e69b9c Settings: Fixed an issue marking settings as dirty when merely clicking on a border or resize grip without moving it.
8340a30d27 Debug: move debug assertion in post-clip code to reduce overhead. (#4796 and more).
1e1013085b Debug Tools: Debug Log: Hide its own clipper log to reduce noise in the output.
036a6c875e ColorEdit4: Further tweaks for very small sizes. (#7120, #7121)
0bd6489721 DragScalarN, SliderScalarN, InputScalarN, PushMultiItemsWidths: fixed multi-components width in tight space (#7120, #7121)
0000739c08 Internals: Fixed function name typo.
33d426842d Backends: Vulkan: ImGui_ImplVulkan_CreateFontsTexture() calls vkQueueWaitIdle() instead of vkDeviceWaitIdle(). (#7148, #6943, #6715, #6327, #3743, #4618)
3cb805489b Backends: GLFW, Emscripten: fixes for canvas resizing, amends. (#6751)
22a7d241ff Backends: GLFW, Emscripten: fixes for canvas resizing. (#6751)
b4c5a83cfe Commented out obsolete ImGuiKey_KeyPadEnter redirection to ImGuiKey_KeypadEnter. (#2625, #7143)
70f2aaff43 Nav: tabbing happen within FocusScope. ImGuiWindowFlags_NavFlattened make window inherit focus scope from parent.
55073aa7a3 Examples; SDL: added missing return values checks from SDL_CreateWindow() calls. (#7147)
8764a1b7c4 Backends: Vulkan: free FontCommandBuffer explicitely (not actually required in normal code path, unless ImGui_ImplVulkan_DestroyDeviceObjects is declared directly). (#7104)
089ed30323 Replace usages of ImGuiKey_KeyPadEnter with ImGuiKey_KeypadEnter. (#7143)
e265610a0c Fixes for MSVC code analyzer.
f59b54c6f4 Nav: Activation can also be performed with Keypad Enter. (#5606)
0d582dabf3 Fixed warning (amend 54c1bde)
6cfe3ddf52 InputTextMultiline: Tabbing through a multi-line text editor using ImGuiInputTextFlags_AllowTabInput doesn't activate it. (#3092, #5759, #787)
54c1bdeceb Internals: removed unused ImGuiItemStatusFlags_FocusedByTabbing. (#4449)
4afffa36e9 InputTextMultiline: Fixed Tab character input not repeating
f6836ff37f Misc: Rework debug display of texture id in Metrics window (amend) (#7090)
07dbd46ddd Misc: Rework debug display of texture id in Metrics window to avoid compile-error when ImTextureID is defined to be larger than 64-bits. (#7090)
34646627aa ColorEdit4: improve components width computation to better distribute the error (#7120) (#7123)
86512eac06 DragScalarN, SliderScalarN, InputScalarN, PushMultiItemsWidths: improve multi-components width computation to better distribute the error. (#7120, #7121)
03298fe875 Windows: Fixed some auto-resizing path using style.WindowMinSize.x (instead of x/y).  (#7106)
69f524ba95 DragScalarN, SliderScalarN, InputScalarN, PushMultiItemsWidths: Added when component <= 0. (#7095)
9d8de45313 Image(): comment and minor refactor to resurface the fact that a border size may be added. (#2118)
5366bd09bf Scrolling: internal scrolling value is rounded instead of truncated. (#6677)
c58d2c89c3 Tabs: Added ImGuiTabItemFlags_NoAssumedClosure to enable app to react on closure attempt. (#7084)
1fade35159 DragScalarN, SliderScalarN, InputScalarN, PushMultiItemsWidths: Fixed incorrect pushes into ItemWidth stack when number of components is 1. [#7095]
58ca5f6424 Shortcut(): clearer early out in SetShortcutRouting() -> CalcRoutingScore() path.
d72e1563d4 Removed CalcListClipping() marked obsolete in 1.86. (#3841) + comments
9a2985611c Backend: Android: Remove Redundant Check (#7093)
0b77980cab Moved Tables API related declarations to their own section in imgui.h
aaf157cfdd Commented out ImGuiFreeType::BuildFontAtlas() obsoleted in 1.81. Commented out legacy ImGuiColumnsFlags_XXX symbols redirecting to ImGuiOldColumnsFlags_XXX, obsoleted in 1.80.
1fd5ff7152 Avoid C++26 removed deprecated arithmetic conversion on enumerations. (#7088, #7089. #2983, #3040)
52886872f1 Misc: Added IMGUI_USER_H_FILENAME to change the path included when using IMGUI_INCLUDE_IMGUI_USER_H. (#7039)
5768de79e2 InputText, ColorEdit, ColorPicker: better support for undocumented ImGuiItemFlags_ReadOnly flag. (#7079, #211)
b112d73edb Menus: amend to clarify/fix static analyzer warning.  (#6671, #6926)
2ee40d3cf9 Menus: Tweaked hover slack logic, adding a timer to avoid situations where a slow vertical movements toward another parent BeginMenu() can keep the wrong child menu open. (#6671, #6926)
b4b864e40a Backends: Vulkan: Fixed mismatching allocator passed to vkCreateCommandPool() vs vkDestroyCommandPool(). (#7075)
d2b0167610 Fixed link error when using IMGUI_DISABLE_DEBUG_TOOLS
7965494ff3 Debug Tools: Added DebugFlashStyleColor() to identify a style color. Added to Style Editor.
c1a3c7f445 Fixed Clang zealous warnings
c6ec69c7c1 Using nullptr in remaining examples/backends locations. (#6313, #7071, #4537)
888834c636 Backends: Android: Fixed build breaking typo. (#7060)
077e4db772 Misc: Added extra courtesy ==/!= operators when IMGUI_DEFINE_MATH_OPERATORS is defined.
6f171a066d Nav, IO: SetNextFrameWantCaptureKeyboard(false) calls are not overrided back to true when navigation is enabled. (#6997)
1f3090a48d Backends: SDL3: Fix indent (#7062)
86891b0986 Backends: Android: ImGui_ImplAndroid_HandleInputEvent() takes a const AInputEvent* (#7060)
f37f6f67f6  Windows: BeginChild(): Fixed auto-resizing erroneously limiting size to host viewport minus padding. (#7063)
bce4db00bc Drag and Drop: Fixed drop target highlight on items temporarily pushing a widened clip rect. (#7049, #4281, #3272)
65a10410e3 Docs: Add suggestion to turn of char8_t behavior for C++20 (#7025)
61b8197942 Misc: Renamed some defines in imstb_textedit.h to avoid conflicts when using unity/jumbo builds.
3733b5064e Backends: SDL3: Fixed unused variable warning on master on some targets. (#7000)
c5c1c4134b Backends: OpenGL3: imgui_impl_opengl3_loader.h: change #define ARRAY_SIZE to GL3W_ARRAY_SIZE to avoid external conflicts (#7017, #7018)
7bb0a525c3 Fixed text functions fast-path for handling "%s" and "%.*s" to handle null pointers gracefully. (#7016, #3466, #6846)
3d083dbe1a Version 1.90.1 WIP
b81bd7ed98 Version 1.90.0
623bff23ce Windows: WindowMinSize not applied on AlwaysAutoResize window. (amend e2035a5)
f298491a8a Docs: amend/tweak details about using io.WantCaptureMouse. (#7012)
5de1312e1c SplitterBehavior: tweak to not assert due to floating point precision.
afadf74a53 BeginChild: undo child name simplification as it reveal an issue with handling of ### in child names.
46843b683b Fonts: minor/shallow amends (#6925)
ade4d0e08a Fonts: added support for RasterizerDensity to FreeType based atlas generator. (#6925)
ed29ff08ba Fonts: added support for RasterizerDensity in built-in atlas generator. (#6925)
abfb9269b5 Fonts: added RasterizerDensity to ImFontConfig. (#6925)
add915bdc4 Backends: SDL3: Updates for recent API changes. (#7000)
4ad5817aac Update backends/language lists
75c46a3930 Demo: Partly fix resizing constraint demo. (#6210, #5627)
fe6544622b SetNextWindowSizeConstraints() clarified parameters, fixed comments. (#1139, #3186, #3270)
454f36d2af Removed 'bool border' legacy versions of BeginChild() as they seemingly have no value other than confusing user and IDE.
44dbad64d7 Backends: Vulkan: Fixes for VK_NO_PROTOTYPES.
79a9e2fdfb Backends: Vulkan: (Breaking) full font upload is performed by ImGui_ImplVulkan_CreateFontsTexture(), no need for user code to create or provide a command-buffer. Removed ImGui_ImplVulkan_DestroyFontUploadObjects(). (#6943, #6715, #6327, #3743, #4618)
6e7b43b6c7 Backends: Vulkan: Added ImGui_ImplVulkan_DestroyFontsTexture(), made ImGui_ImplVulkan_CreateFontsTexture() destroy previous one. (#6943, #6715, #6327, #3743, #4618)
d0da79c572 Defining IMGUI_DISABLE_OBSOLETE_FUNCTIONS now automaticaly define IMGUI_DISABLE_OBSOLETE_KEYIO. (#4921)
ab522dd18c Removed IM_OFFSETOF() macro in favor of using offsetof() available in C++11. Kept redirection define. (#4537)
0f50b52da4 Backends: OpenGL3: Update GL3W based imgui_impl_opengl3_loader.h to load "libGL.so" instead of "libGL.so.1". (#6983)
5170a9d6dc Tables: Internals: renamed TableDrawContextMenu() to TableDrawDefaultContextMenu() for clarify.
fea52e29aa Tables: added flags to TableDrawContextMenu() in order to display selected sections + added internal table->DisableDefaultContextMenu = true way to submit your own contents.
0d3b468cb3 BeginChild(): added ImGuiChildFlags_AutoResizeX, ImGuiChildFlags_AutoResizeY, ImGuiChildFlags_AlwaysAutoResize + support for SetNextWindowSizeConstraints(). (#1666, #1395, #1496, #1710) + Demo
44345c2108 Better documented the difference between BeginListBox() and BeginChild() w/ ImGuiChildFlags_FrameStyle.
fa4c49b4a7 BeginChild(): resizing is only clamped on axis where there's no scrollbar. Added an extra ResizeX in Demo->Simple Layout.
cdbc21a191 BeginChild(): Added ImGuiChildFlags_FrameStyle as a replacement for BeginChildFrame(). (#1666, #1496, #1395, #1710, #462, #503, #263)
ab47efd9a0 Bits / comments
561af15d67 Internal: Added owner aware variant of IsMouseDoubleClicked() for consistency.
376035fd01 Nav: fixed programmatic nav calls (e.g. SetKeyboardFocusHere() from storing io.KeyMods)
cfc71ab7c5 Made ImDrawCallback_ResetRenderState special value -8 instead of -1 so it is pointer aligned (#6969)
1ab63d925f Undid some of the changes done by c95fbb4 because they are not compatible with docking code.
c0bc43ccff Offset values for ImGuiWindowFlags_NoNavInputs, ImGuiWindowFlags_NoNavFocus, ImGuiWindowFlags_UnsavedDocument.
f1d1a8d32b Windows: use relative mouse movement for border resize when the border geometry has moved. (#1710)
9235352400 BeginChild: Added ImGuiChildFlags_ResizeX and ImGuiChildFlags_ResizeY. (#1710)
34a0bc456e BeginChild: Added ImGuiChildFlags_AlwaysUseWindowPadding, obsoleted ImGuiWindowFlags_AlwaysUseWindowPadding. (#462, (toward #1666, #1496, #1395, #1710)
7713c29258 BeginChild: Upgraded 'bool border = true' parameter to use a ImGuiChildFlags type and the ImGuiChildFlags_Border value. (toward #1666, #1496, #1395, #1710)
88fec09715 ColorPicker4(): Fixed ImGuiColorEditFlags_NoTooltip when ImGuiColorEditFlags_NoSidePreview is also set. (#6957)
313676d200 Settings: omit outputing Collapsed=0 in .ini file. Changelog + docs tweaks
8ee85137d8 BeginChild(): Internal name used by child windows now omits the hash/id if the child window is submitted in root of id stack of parent window.
4e4042bc33 Windows: tidying up skipitems logic at end of Begin(), normally should be no meaningful side-effect.
bc3c6e74e6 Windows: fixed double-clicked border from showing highlighted at the new position.
e2035a514c Windows: shared code for CalcWindowMinSize().
c95fbb4464 Windows: Double-clicking bottom or right window border auto-resize on a singles axis.
ade2acfd1d Inputs: Added IsKeyChordPressed() public helper function.
1b9cb52d7b BeginChild(): rename parameters to reduce diff of upcoming patches.
f8dc03d702 Windows: Can also auto-resize by double-clicking lower-left resize grip (not only lower-right one).
56f7e853be Demo: expose more Combo flags + misc tidying up.
9a5da23553 Changelog formatting
d6d00b4fcf Moved BeginChild() above BeginChildEx() as it is more readable.
99913b5051 Internals: added IsKeyChordPressed() for consistency.
a8bdbfddf9 Tables: Fixed top-most and left-most outer border overlapping inner clip-rect when scrolling. (#6765)
8db02ef8df Tables: Fixed an issue with ScrollX enabled where an extraneous draw command would be created.
947255c3da Tooltips: made it possible to use ImGuiHoveredFlags_ForTooltip + a ImGuiHoveredFlags_DelayXXXX override. (#1485)
0b8c6b9bce Internals: removed seemingly unused AutoFitChildAxises.
12a3c77c2f Demo: Minor tweak to angled headers demo.
f96c5443b1 Tables: fixed angled headers with frozen columns.
32228d8add Tables: added Angled headers support. Added ImGuiTableColumnFlags_AngledHeader, ImGui::TableHeadersAngledRow(), style.TableAngledHeadersAngle. (#2957)
9f851ebfe4 Tables: added ImGuiTableFlags_HighlightHoveredColumn.
be1311cfc1 Tables: fixed double-clicking on a column from clearing HoveredColumnBorder for a frame.
08606714a3 Fixed incorrect assert in FocusTopMostWindowUnderOne() preventing child+popup from being used. (#6915, #718)
5053d79a24 Tables: Internal: rework so stacked headers height may be used.
b9ebb8e06f Tables: fixed right-clicking right-most section (past right-most column) from highlighting right-most column.
feddcf3030 Combo: amends for ImGuiComboFlags_WidthFitPreview. (#6881)
112d8fc41d Combo: added ImGuiComboFlags_WidthFitPreview. (#6881)
001f102f38 IO, Backends: added ImGuiKey_AppBack, ImGuiKey_AppForward. (#6891, #4921)
7bbd758681 Backends: Win32: revert oops chunk.
b0758c86d8 Backends: Added support for extra ImGuiKey values: F13 to F24 function keys. (#6891, #4921)
73346e4341 IO: Add extra keys to ImGuiKey enumerator: ImGuiKey_F13 to ImGuiKey_F24. (#6891, #4921)
0312a29e4c ImageButton(): clarify purpose of size. (#6901, #5533, #4471, #2464, #1390).
1107bffe84 Popups: clarified meaning of 'p_open != NULL' in BeginPopupModal() + set back user value to false when popup is closed in ways other than clicking the close button. (#6900)
2c07d581de TreeNode: Added ImGuiTreeNodeFlags_SpanAllColumns for use in tables. (#3151, #3565, #2451, #2438)
085ed7bfbe Drag and Drop: Rework drop target highlight. (#4281, #3272)
0dd756bceb Moved GetCursorScreenPos/SetCursorScreenPos on top of its section.
a63e2f0a33 Drag and Drop: Fixed submitting a tooltip from drop target location. Added demo.
64b1aeebf5 Backends: OpenGL3: rename gl3w's loader symbols to allow LTO compilation with another copy of gl3w. (#6875, #6668, #4445)
28b237f94d Separator(): Altered end-points to use more standard boundaries. (#205, #4787, #1643, #759)
330d763477 Separator: clarified setting the ImGuiSeparatorFlags_SpanAllColumns flag. (#759)
a61438740d Debug Tools: Metrics: Added "Show groups rectangles" in tools.
701a047ac0 Fonts: Fix clang compiling warning & error with freetype + lunasvg (#6873, #6842, #6591)
03e2a7f584 Debug Tools: Rename ShowIdStackToolWindow() -> ShowIDStackToolWindow(). (#4631)
c21278eeae Debug Tools: Rename ShowIdStackToolWindow() -> ShowIDStackToolWindow(). (#4631)
2f431a948c IO: removed io.MetricsActiveAllocations introduced in 1.63. Same as 'g.DebugMemAllocCount - g.DebugMemFreeCount' (still displayed in Metrics.
f1519efb16 BeginGroup(): fix/amend 9ece0bd.
456aa3bc0a Menus: Fixed a bug where activating an item in a child-menu and dragging mouse over the parent-menu would erroneously close the child-menu. (#6869)
9ece0bdc02 BeginGroup(): Fixed a bug pushing line lower extent too far down when called after a call to SameLine() followed by manual cursor manipulation.
8175a47881 Debug Tools: Renamed ShowStackToolWindow() ("Stack Tool") to ShowIdStackToolWindow() ("ID Stack Tool"). (#4631)
204ae8a407 Internals: added ImRect::ContainsWithPad()
94da5842ef Renamed ImFloor() to ImTrunc(). Renamed ImFloorSigned() to ImFloor(). (#6861)
e5ca5351d5 TabBar: Fixed position of unsaved document marker (ImGuiTabItemFlags_UnsavedDocument) which was accidentally offset in 1.89.9. (#6862)
72ae6f5200 Fixed MousePosPrev with has never been valid outside of NewFrame().
12ee2dd789 Backends: Win32: Synthesize key-down event on key-up for VK_SNAPSHOT / ImGuiKey_PrintScreen as Windows doesn't emit it. (#6859)
d4869207e3 Misc: Most text functions also treat "%.*s" (along with "%s") specially to avoid formatting. (#3466, #6846)
f4790f6f66 BeginItemTooltip: Rename flag in comment (#6853)
daf49e9d82 Made ImFileOpen reuse a memory buffer so .ini saving doesn't allocate once every time. Added commented out MemAlloc/MemFree debug log.
d6360c1ba9 Fonts, imgui_freetype: Fixed a warning and leak in IMGUI_ENABLE_FREETYPE_LUNASVG support. (#6842, #6591)
6c022f9bf1 IO, Inputs: rename SetMousePos() to TeleportMousePos(). (#6837, #228)
ff36fe365e IO, Inputs: setting io.WantSetMousePos ignores incoming MousePos events. (#6837, #228)
ef8ff1b5d8 TabBar, Style: added style.TabBarBorderSize and associated ImGuiStyleVar_TabBarBorderSize. (#6820, #4859, #5022, #5239)
6addf28c4b Fonts: Ensure calling AddFontXXX function doesn't invalidates ImFont's ConfigData pointers prior to building again. (#6825)
b101cf46b6 ListBox, Combo: Changed signature of "name getter" callback in old one-liner ListBox()/Combo() apis.
8a2cd81091 TypingSelect: always enable nav highlight.
223b19f116 Fixed warning when builidng with IMGUI_DISABLE_DEBUG_TOOLS.
779568bb38 TypingSelect: tidy up some more + split ino functions to make reuse simpler.
661a70fc79 TypingSelect: fast switch between characters in + debug, internal renames.
32171a8b0c Fonts: Better assert during load when passing truncated font data or wrong data size. (#6822)
c32db3c72b Tables: Fixed an edge-case when no columns are visible + table scrollbar is visible + user code is always testing return value of TableSetColumnIndex() to coarse clip.
c86ce70968 Internal: Nav,MultiSelect: import ImGuiSelectionUserData, SetNextItemSelectionUserData() from MultiSelect. Track NavLastValidSelectionUserData as a convenience.
f336e639e9 TypingSelect: rework GetTypingSelectRequest(), provide TypingSelectFindResult().
9714594c35 Tooltips: made using SetItemTooltip()/IsItemHovered(ImGuiHoveredFlags_ForTooltip) defaults to activate tooltips on disabled items.. (#1485)
6eb2681c09 Internals: InitOrLoadWindowSettings() clear Size again for better data nuking in tests. Debug Log: added ImGuiDebugLogFlags_OutputToTestEngine flag.
bed492da70 Tables: amend support for auto-resize. (#6807)
556a1397a9 Tables: Remove comment referencing removed field SortSign (#6807)
3aceb61059 Tables: Request user to submit contents when outer host-window is requesting auto-resize. (#6510)
da21b74313 Tables: Fixed subtle drawing overlap between borders in some situations. (#2957, #6765)
5a483c2ffb Tables: Fixed top-most outer border being drawn with both TableBorderLight and TableBorderStrong in some situations, causing the earlier to be visible underneath when alpha is not 1.0f.
a34071876f Tables: Fixed bottom-most and right-most outer border offset by one. (#6765, #3752)
357f752bed Docs: add more links to the top of every examples and backends files.
b9ab6e2019 Nav: Tabbing always enable nav highlight when ImGuiConfigFlags_NavEnableKeyboard is set. (#6802, #3092, #5759, #787)
0e1ce76ea8 InputTextMultiline: Fixed Tabbing cycle leading to a situation where Enter key wouldn't be accepted by the widget when navigation highlight is visible. (#6802, #3092, #5759, #787)
bd63a9f056 Fonts: 'float size_pixels' passed to AddFontXXX() functions is now rounded to lowest integer. (#3164, #3309, #6800)
0962c9fb72 TypingSelect: Added first version of GetTypingSelectRequest() API.
7812039402 ImVector: Added find_index() helper.
44a6b493ee Commented out obsolete ImDrawCornerFlags_XXX. Commented out runtime support for hardcoded ~0 or 0x01..0x0F rounding flags values for AddRect()/AddRectFilled()/PathRect()/AddImageRounded()
becd75676f Commented out obsolete redirecting function: GetWindowContentRegionWidth().
727c462069 Internals: Added ImTextFindPreviousUtf8Codepoint() helper + comments.
c9d3c29aa3 Backend: Win32: support keyboard codepage conversion for when compiling in MBCS mode and creating a non-Unicode window. (#6785, #6782, #5725)
e3d9b875c9 ImDrawList: added PathEllipticalArcTo(), AddEllipse(), AddEllipseFilled(). (#2743)
fa2e5710ac MenuBar: Fixed an issue where layouting an item in the menu-bar would erroneously egister contents size. (#6789)
56a7b8b724 Backends: GLFW: Clear emscripten's MouseWheel callback before shutdown. (#6790, #6096, #4019)
d8ef864b02 InputTextMultiline: Fixed a crash pressing Down on last empty line of a multiline buffer. (#6783, #6000)
cf1c4a0cb1 BeginListBox(): fixed not consuming SetNextWindowXXX data when returning false.
fb9b006865 Version 1.90 WIP
f24387fa2b Version 1.89.9 (fixed changelog header)
c4dc8fd101 Docs: Update FONTS.md (#6781, #6632, #6339, #5763, #5330, #2234, #2042, #1259, #951, #220)
c6e0284ac5 Fixed minor warning.
fef3389157 Version 1.89.9
7b5fb33296 Tables: Internals: renamed CellPaddingY to RowCellPaddingY.
bdc4dfebf5 Tables: Amend support for cross-cell SameLine() for first column. Amend 9a93fb5 + 8f5ce73.
9a93fb5716 Tables: Fixed support for cross-cell SameLine() by preserving Line Y1 position. Amend 8f5ce73.
e8a5c9e1b8 Tables: Made it possible to change style.CellPadding.y between rows. Added demo.
3816d478df ImDrawList: small debug-mode optimization when calling AddRect() without rounding + Selectable: small debug-mode optimization.
8c497793f9 Demo: Tweak table sorting demo code.
303dc091b4 Revert "IO: ImGuiMod_Shortcut (Ctrl/Cmd depending on platform) is reflected in io.KeyMods. (#5923, #456)"
b8f93a8fe0 IO: ImGuiMod_Shortcut (Ctrl/Cmd depending on platform) is reflected in io.KeyMods. (#5923, #456)
a066074054 Clipper: Fixed a bug if attempt to force-include a range which matches an already included range. (#3841)
bdd9b96fa3 Demo: Reorganized "Examples" menu. Tweak Property Editor.
08b3a1a34a ImDrawList: Automatically calling ChannelsMerge() if not done after a split.
f93d0befaf Slider: fixed support for ImGuiItemFlags_ReadOnly/ImGuiSliderFlags_ReadOnly although it is technically unused/undocumented. (#6758)
d6e9fad60e Tables: Fix typo in TableGetSortSpecs comment + amend comment. (#6755)
82d177ccbd Using range-based for where it makes sense. (#4537)
33ea1e8b78 ColorEdit, ColorPicker: Manipulating options popup don't mark item as edited. (#6722)
f617fe7890 Clipper: Renamed IncludeRangeByIndices()/ForceDisplayRangeByIndices() to IncludeItemsByIndex(). (#6424, #3841)
200053771a Clipper: Added IncludeIndex() helper to include a single item. (#6424, #3841)
4a7810e992 Update README.md
981abb4612 Examples: Emscripten+webgpu: Fixed WGPUInstance creation process + use preferred framebuffer format. (#6640, #6748)
4a81424492 CloseButton, CollapseButton: don't include FramePadding into size. Use ItemInnerSpacing.x between title bar buttons. (#6749)
b41811a68c CollapseButton: handle clipping better + align circle like in docking branch.
040e818d72 Fix typo in SameLine comment (#6745)
162f8e01aa Backends: SDL3: fixed typo in 1e17d59 (#6735)
ba1fa904a9 IO: Exposed io.PlatformLocaleDecimalPoint to configure decimal point ('.' or ','). (#6719, #2278)
a1a7a1bc03 InputFloat, SliderFloat, DragFloat: always turn both '.' and ',' into the current decimal point character. (#6719, #2278)
a6857ede03 IO: fix writing to incorrect union section for MouseSource in AddMousePosEvent and AddMouseButtonEvent. (#6727, #2702)
c06c796242 TreeNode: added note about ImGuiTreeNodeFlags_Bullet.
1e17d59965 Backends: SDL2,SDL3: added ImGui_ImplSDL2_InitForOther() / ImGui_ImplSDL3_InitForOther().
983b95bc87 Demo: tweak explanation about static keyword. (#6718)
d2c7cbcbf9 Misc: Made multiple calls to Render() during the same frame early out faster.
ac64b65634 Render: draw dimmed background earlier to match docking code. (#6716)
8f5ce73140 Tables: Made it possible to use SameLine(0,0) after TableNextColumn() or TableSetColumnIndex() in order to reuse line height from previous cell.
1362fc0c56 Debug, Internals: Added DebugDrawCursorPos(), DebugDrawLineExtents() helpers.
bc3c0ce772 Nav, TreeNode: Pressing Left with ImGuiTreeNodeFlags_NavLeftJumpsBackHere now goes through proper navigation logic: honor scrolling and selection. (#1079, #1131)
edebb90a9a Demo: amend/fix for MinGW
4d6fbaff11 Demo: define standard PRI names we use (if missing) instead of defininig IM_PRId64, IM_PRIu64.
226923fa7e Metrics: Fixed "Drawlists" section and per-viewport equivalent appearing empty (regression from c649aca).
2b1fc6f765 Demo: Demonstrate out-of-order rendering using ImDrawListSplitter.
cf3726bcbc Internals: rename bg/fg drawlist holders in structs to reduce confusion.
52587c28d6 ImDrawList: Fixed OOB access in _CalcCircleAutoSegmentCount when passing excessively large radius to AddCircle(). (#6657, #5317)
f8c768760b Typo fix: _NoHostExtenY -> _NoHostExtendY (#6687)
c00e68102c Docs: update CONTRIBUTING.md
b7a7d673b9 Fixed an integer overflow and div-by-zero in SliderInt() when v_max is INT_MAX (#6675, #6679)
d6d94d90bf Version 1.89.9 WIP
f7eea63872 Version v1.89.8
ab490dc7b8 Fonts: Amends for support for OpenType SVG fonts using lunasvg (#6591, #6607)
2ad8c60abc Fonts: Added support for OpenType SVG fonts using lunasvg (#6591, #6607)
19ae142bdd Mark alternative ImColor constructors as constexpr, second attempt (#6656)
dc2b0a2823 Disable -Wreserved-identifier warning on Clang (applying to member fields seems excessively weird).
88a330ebef Revert "Mark alternative ImColor constructors as constexpr (#6656)"
fa2f1bfbb0 Examples: Vulkan: Fixed Vulkan descriptor pools. (#6642)
7c5b0e8292 Mark alternative ImColor constructors as constexpr (#6656)
eefc9035f0 Fonts: ImFontConfig::OversampleH now defaults to 2 instead of 3.
c87b9fdb15 Docs update. Improved Fonts troubleshooting section.
556ce9f543 imgui_stdlib: Fix warning (#6658)
79d6f4e211 Misc: Avoid stb_textedit.h reincluding string.h while in a namespace. (#6653, #4791)
f1781c20a3 Added IMGUI_DISABLE_STB_SPRINTF_IMPLEMENTATION config macro to disable stb_sprintf implementation (#6626)
1109de3827 Tooltips: fixed ImGuiHoveredFlags_ForTooltip conflicting with ImGuiHoveredFlags_NoNavOverride since 10c7709f. (#6622, #1485)
db66e33e9e Tables: fixed GetContentRegionAvail().y report not taking account of lower cell padding or of using ImGuiTableFlags_NoHostExtendY. (#6619)
2bc5d17ac3 Tables: fixed calculation of multi-instance shared decoration/scrollbar width of scrolling tables. (#5920, #6619)
e5977f05d8 Backends: GLFW: revert support for GLFW_CURSOR_DISABLED, let user use ImGuiConfigFlags_NoMouse. (#5625, #6609)
d342ec10cc Overlap, IsItemHovered: clarification on using IsItemHovered() on a non-reactive item after a reactive overlappable one. (#6610)
52125a54a5 Tables: added TableGetHoveredRow() in imgui_internal.h. (#6250, #6347, #6588, #3740)
77eba4d0d1 CI: resume using latest Emscripten
3dc3aef8a4 Backends: WebGPU: fix webgpu changes for Dawn. (#6602, #6188)
0e8eb8c48e Removed _MSC_VER <= 1500 checks for Visual Studio 2008 or earlier.
863ac31f01 Doc: various tweaks + tweak imconfig comments.
33e13c85e1 Backends: Made all backends sources files support global IMGUI_DISABLE. (#6601)
6888e6cdff ImDrawData: call _PopUnusedDrawCmd() later. as RenderDimmedBackgrounds() rely on a valid command being there (especially in docking branch). (#6406, #4879, #1878)
dbeeeae593 ImDrawData: Slight refactor so internal logic uses same logic as AddDrawList().  (#6406, #4879, #1878)
1a9ddd2396 ImDrawData: added AddDrawList() helper function. (#6406, #4879, #1878)
c649aca20a ImDrawData: changed CmdLists from raw array to ImVector<> owned by ImDrawData itself. Faclitate user-manipulation of the array (#6406, #4879, #1878) + deep swap. (#6597, #6475, #6167, #5776, #5109, #4763, #3515, #1860)
cc4c37dbac Nav: PageUp/PageDown always set NavJustMovedTo even when landing on same spot (which can trigger a selection).
b7cdb5a31e Scrollbar: layout needs to take account of window border size, so a border size will slightly reduce scrollbar size. (#2522)
5ce636b0ba Tweak to accomodate for build* directories anywhere.
140726d23f Fixed CTRL+Tab dimming background assert when target window has a callback in the last ImDrawCmd. (#4857, #5937)
b32ef809c3 InputText: Fixed a case where deactivation frame would write to underlying buffer or call CallbackResize although unnecessary, in a frame where the return value was false.
3349296370 InputText: Tweak ImGuiInputTextFlags_EscapeClearsAll handling so decision is taken on input buffer + Showcase a few more InputText() flags. (#5688, #2620)
6aa408c6af IO: Added io.ClearEventsQueue(). Obsoleted io.ClearInputCharacters(). (#4921)
9a15730c2a Demo: better showcase use of SetNextItemAllowOverlap(). (#6574, #6512, #3909, #517)
3fe4319314 Version 1.89.8 WIP

git-subtree-dir: external/imgui/imgui
git-subtree-split: d6cb3c923d28dcebb2d8d9605ccc7229ccef19eb
This commit is contained in:
Green Sky
2024-01-17 20:29:18 +01:00
parent 88f6091665
commit 5af8cfa879
90 changed files with 5893 additions and 2765 deletions
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2
docs/BACKENDS.md
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@ -63,7 +63,7 @@ List of Platforms Backends:
imgui_impl_glfw.cpp ; GLFW (Windows, macOS, Linux, etc.) http://www.glfw.org/
imgui_impl_osx.mm ; macOS native API (not as feature complete as glfw/sdl backends)
imgui_impl_sdl2.cpp ; SDL2 (Windows, macOS, Linux, iOS, Android) https://www.libsdl.org
imgui_impl_sdl3.cpp ; SDL2 (Windows, macOS, Linux, iOS, Android) https://www.libsdl.org (*EXPERIMENTAL*)
imgui_impl_sdl3.cpp ; SDL3 (Windows, macOS, Linux, iOS, Android) https://www.libsdl.org (*EXPERIMENTAL UNTIL SDL3 IS RELEASED*)
imgui_impl_win32.cpp ; Win32 native API (Windows)
imgui_impl_glut.cpp ; GLUT/FreeGLUT (this is prehistoric software and absolutely not recommended today!)

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docs/CHANGELOG.txt
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@ -5,31 +5,472 @@ This document holds the user-facing changelog that we also use in release notes.
We generally fold multiple commits pertaining to the same topic as a single entry.
Changes to backends are also included within the individual .cpp files of each backend.
RELEASE NOTES: https://github.com/ocornut/imgui/releases
REPORT ISSUES: https://github.com/ocornut/imgui/issues
DISCUSS, ASK QUESTIONS: https://github.com/ocornut/imgui/discussions
WIKI https://github.com/ocornut/imgui/wiki
FAQ https://www.dearimgui.com/faq/
RELEASE NOTES: https://github.com/ocornut/imgui/releases
WIKI https://github.com/ocornut/imgui/wiki
GETTING STARTED https://github.com/ocornut/imgui/wiki/Getting-Started
GLOSSARY https://github.com/ocornut/imgui/wiki/Glossary
ISSUES & SUPPORT https://github.com/ocornut/imgui/issues
WHEN TO UPDATE?
- Keeping your copy of Dear ImGui updated regularly is recommended.
- It is generally safe to sync to the latest commit in master or docking branches
The library is fairly stable and regressions tends to be fixed fast when reported.
- It is generally safe and recommended to sync to the latest commit in 'master' or 'docking'
branches. The library is fairly stable and regressions tends to be fixed fast when reported.
HOW TO UPDATE?
- Overwrite every file except imconfig.h (if you have modified it).
- You may also locally branch to modify imconfig.h and merge latest into your branch.
- Update submodule or copy/overwrite every file.
- About imconfig.h:
- You may modify your copy of imconfig.h, in this case don't overwrite it.
- or you may locally branch to modify imconfig.h and merge/rebase latest.
- or you may '#define IMGUI_USER_CONFIG "my_config_file.h"' globally from your build system to
specify a custom path for your imconfig.h file and instead not have to modify the default one.
- Read the `Breaking Changes` section (in imgui.cpp or here in the Changelog).
- If you have a problem with a missing function/symbols, search for its name in the code, there will likely be a comment about it.
- If you are dropping this repository in your codebase, please leave the demo and text files in there, they will be useful.
- If you are copying this repository in your codebase, please leave the demo and documentations files in there, they will be useful.
- You may diff your previous Changelog with the one you just copied and read that diff.
- You may enable `IMGUI_DISABLE_OBSOLETE_FUNCTIONS` in imconfig.h to forcefully disable legacy names and symbols.
Doing it every once in a while is a good way to make sure you are not using obsolete symbols. Dear ImGui is in active development,
and API updates have been a little more frequent lately. They are documented below and in imgui.cpp and should not affect all users.
- Please report any issue!
-----------------------------------------------------------------------
VERSION 1.90.1 (Released 2024-01-10)
-----------------------------------------------------------------------
Decorated log and release notes: https://github.com/ocornut/imgui/releases/tag/v1.90.1
Breaking changes:
- imgui_freetype: commented out ImGuiFreeType::BuildFontAtlas() obsoleted in 1.81.
Prefer using #define IMGUI_ENABLE_FREETYPE or see commented code for manual calls.
- Removed CalcListClipping() marked obsolete in 1.86. (#3841)
Prefer using ImGuiListClipper which can return non-contiguous ranges.
- Internals, Columns: commented out legacy ImGuiColumnsFlags_XXX symbols redirecting
to ImGuiOldColumnsFlags_XXX, obsoleted from imgui_internal.h in 1.80.
- Commented out obsolete ImGuiKey_KeyPadEnter redirection to ImGuiKey_KeypadEnter. (#2625, #7143)
Other changes:
- Windows:
- BeginChild(): Fixed auto-resizing erroneously limiting size to host viewport
minus padding. There are no limit to a child width/height. (#7063) [@Devyre]
- BeginChild(): Resize borders rendered even when ImGuiWindowFlags_NoBackground
is specified. (#1710, #7194)
- Fixed some auto-resizing path using style.WindowMinSize.x (instead of x/y)
for both axises since 1.90. (#7106) [@n0bodysec]
- Scrolling: internal scrolling value is rounded instead of truncated, as a way to reduce
speed asymmetry when (incorrectly) attempting to scroll by non-integer amount. (#6677)
- Navigation (Keyboard/gamepad):
- Nav, IO: SetNextFrameWantCaptureKeyboard(false) calls are not overridden back to true when
navigation is enabled. SetNextFrameWantCaptureKeyboard() is always higher priority. (#6997)
- Nav: Activation can also be performed with Keypad Enter. (#5606)
- Drag and Drop:
- Fixed drop target highlight on items temporarily pushing a widened clip rect
(namely Selectables and Treenodes using SpanAllColumn flag) so the highlight properly covers
all columns. (#7049, #4281, #3272)
- InputText:
- InputTextMultiline: Fixed Tab character input not repeating (1.89.4 regression).
- InputTextMultiline: Tabbing through a multi-line text editor which allows Tab character inputs
(using the ImGuiInputTextFlags_AllowTabInput flag) doesn't automatically activate it, in order
to allow passing through multiple widgets easily. (#3092, #5759, #787)
- Drags, Sliders, Inputs:
- DragScalarN, SliderScalarN, InputScalarN: Fixed incorrect pushes into ItemWidth
stack when number of components is 1. [#7095] [@Nahor]
- Drags, Sliders, Inputs: removed all attempts to filter non-numerical characters during text
editing. Invalid inputs not applied to value, visibly reverted after validation. (#6810, #7096)
- Drags, Sliders, Inputs: removal of filter means that "nan" and "inf" values may be input. (#7096)
- DragScalarN, SliderScalarN, InputScalarN, PushMultiItemsWidths: improve multi-components
width computation to better distribute the error. (#7120, #7121) [@Nahor]
- Menus:
- Tweaked hover slack logic, adding an extra timeout to avoid situations where a slow vertical
movements toward another parent BeginMenu() can keep the wrong child menu open. (#6671, #6926)
- Color Editors:
- ColorEdit: Layout tweaks for very small sizes. (#7120, #7121)
- ColorPicker: Fixed saturation/value cursor radius not scaling properly.
- Debug Tools:
- Added io.ConfigDebugIsDebuggerPresent option. When enabled, this adds buttons in various
locations of Metrics/Debugger to manually request a debugger break:
- Request a debug break in a Begin() call.
- Request a debug break in a ItemAdd() call via debug log and hovering 0xXXXXXX identifiers.
- Request a debug break in a BeginTable() call.
- Request a debug break in a SetShortcutRouting()/Shortcut() call. [Internal]
- Metrics: Reorganize Tools menu.
- Added DebugFlashStyleColor() to identify a style color. Added to Style Editor.
- Debug Log: Hide its own clipper log to reduce noise in the output. (#5855)
- Debug Log: Clicking any filter with SHIFT held enables it for 2 frames only,
making it easier when dealing with spammy logs. (#5855)
- Settings: Fixed an issue marking settings as dirty when merely clicking on a border or resize
grip without moving it.
- Misc: Added IMGUI_USER_H_FILENAME to change the path included when using
IMGUI_INCLUDE_IMGUI_USER_H. (#7039) [@bryceberger]
- Misc: Rework debug display of texture id in Metrics window to avoid compile-error when
ImTextureID is defined to be larger than 64-bits. (#7090)
- Misc: Added extra courtesy ==/!= operators when IMGUI_DEFINE_MATH_OPERATORS is defined.
- Misc: Fixed text functions fast-path for handling "%s" and "%.*s" to handle null pointers gracefully,
like most printf implementations. (#7016, #3466, #6846) [@codefrog2002]
- Misc: Renamed some defines in imstb_textedit.h to avoid conflicts when using unity/jumbo builds
on a codebase where another copy of the library is used.
- Misc: During shutdown, check that io.BackendPlatformUserData and io.BackendRendererUserData are NULL
in order to catch cases where backend was not shut down. (#7175)
- Misc: Reworked Issue Template to a shinier and better form. (#5927) [@Panquesito7, @PathogenDavid, @ocornut]
- Backends:
- GLFW, Emscripten: Added ImGui_ImplGlfw_InstallEmscriptenCanvasResizeCallback() to
register canvas selector and auto-resize GLFW window. (#6751) [@Traveller23, @ypujante]
- GLFW: Fixed Windows specific hooks to use Unicode version of WndProc even when
compiling in MBCS mode. (#7174) [@kimidaisuki22]
- OpenGL3: Update GL3W based imgui_impl_opengl3_loader.h to load libGL.so variants in
case of missing symlink. Fix 1.90 regression for some distros. (#6983)
- Vulkan: Fixed mismatching allocator passed to vkCreateCommandPool() vs
vkDestroyCommandPool(). (#7075) [@FoonTheRaccoon]
- Vulkan: Added MinAllocationSize field in ImGui_ImplVulkan_InitInfo to workaround zealous
"best practice" validation layer. (#7189, #4238) [@philae-ael]
- Vulkan: Stopped creating command pools with VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT
as we don't reset them.
- WebGPU: Fixed wgpuRenderPassEncoderSetScissorRect() crash when rendering modal window's
dimming layer, which has an unclipped value in ImDrawCmd::ClipRect. (#7191) [@aparis69]
- Examples:
- Examples: GLFW+Emscripten: Fixed examples not consistently resizing according to host canvas.
(#6751) [@Traveller23, @ypujante]
- Examples: SDL3: Minor fixes following recent SDL3 in-progress development.
-----------------------------------------------------------------------
VERSION 1.90.0 (Released 2023-11-15)
-----------------------------------------------------------------------
Decorated log and release notes: https://github.com/ocornut/imgui/releases/tag/v1.90
Breaking changes:
- BeginChild(): Upgraded 'bool border = false' parameter to 'ImGuiChildFlags flags = 0'.
Added ImGuiChildFlags_Border value. As with our prior "bool-to-flags" API updates,
the ImGuiChildFlags_Border value is guaranteed to be == true forever to ensure a
smoother transition, meaning all existing calls will still work.
If you want to neatly transition your call sites:
Before: BeginChild("Name", size, true)
After: BeginChild("Name", size, ImGuiChildFlags_Border)
Before: BeginChild("Name", size, false)
After: BeginChild("Name", size) or BeginChild("Name", 0) or BeginChild("Name", size, ImGuiChildFlags_None)
Existing code will still work as 'ImGuiChildFlags_Border == true', but you are encouraged to update call sites.
- BeginChild(): Added child-flag ImGuiChildFlags_AlwaysUseWindowPadding as a replacement for
the window-flag ImGuiWindowFlags_AlwaysUseWindowPadding: the feature only ever made sense
for use with BeginChild() anyhow, passing it to Begin() had no effect. Now that we accept
child-flags we are moving it there. (#462)
Before: BeginChild("Name", size, 0, ImGuiWindowFlags_AlwaysUseWindowPadding);
After: BeginChild("Name", size, ImGuiChildFlags_AlwaysUseWindowPadding, 0);
Kept inline redirection enum (will obsolete later) so existing code will work.
- BeginChildFrame()/EndChildFrame(): removed functions in favor of using BeginChild() with
the ImGuiChildFlags_FrameStyle flag. Kept inline redirection function (will obsolete).
Those functions were merely PushStyle/PopStyle helpers and custom versions are easy to create.
(The removal isn't so much motivated by needing to add the feature in BeginChild(), but by the
necessity to avoid BeginChildFrame() signature mismatching BeginChild() signature and features.)
- Debug Tools: Renamed ShowStackToolWindow() ("Stack Tool") to ShowIDStackToolWindow() ("ID Stack Tool"),
as earlier name was misleading. Kept inline redirection function. (#4631)
- IO: Removed io.MetricsActiveAllocations introduced in 1.63, was displayed in Metrics and unlikely to
be accessed by end-user. Value still visible in the UI and easily to recompute from a delta.
- Defining IMGUI_DISABLE_OBSOLETE_FUNCTIONS now automatically defines IMGUI_DISABLE_OBSOLETE_KEYIO. (#4921)
- Removed IM_OFFSETOF() macro in favor of using offsetof() available in C++11. Kept redirection define. (#4537)
- ListBox, Combo: Changed signature of "name getter" callback in old one-liner ListBox()/Combo() apis.
Before:
getter type: bool (*getter)(void* user_data, int idx, const char** out_text)
function: bool Combo(const char* label, int* current_item, bool (*getter)(void* user_data, int idx, const char** out_text), ...);
function: bool ListBox(const char* label, int* current_item, bool (*getting)(void* user_data, int idx, const char** out_text), ...);
After:
getter type: const char* (*getter)(void* user_data, int idx)
function: bool Combo(const char* label, int* current_item, const char* (*getter)(void* user_data, int idx), ...);
function: bool ListBox(const char* label, int* current_item, const char* (*getter)(void* user_data, int idx), ...);
Old type was unnecessarily complex and harder to wrap in e.g. a lambda. Kept inline redirection function (will obsolete).
- Commented out obsolete redirecting enums/functions that were marked obsolete two years ago:
- GetWindowContentRegionWidth() -> use GetWindowContentRegionMax().x - GetWindowContentRegionMin().x.
Consider that generally 'GetContentRegionAvail().x' is often more correct and more useful.
- ImDrawCornerFlags_XXX -> use ImDrawFlags_RoundCornersXXX names.
Read 1.82 changelog for details + grep commented names in sources.
- Commented out runtime support for hardcoded ~0 or 0x01..0x0F rounding flags values for
AddRect()/AddRectFilled()/PathRect()/AddImageRounded(). -> Use ImDrawFlags_RoundCornersXXX flags.
Read 1.82 changelog for details.
- Backends: Vulkan: Removed parameter from ImGui_ImplVulkan_CreateFontsTexture(): backend now creates its own
command-buffer to upload fonts. Removed ImGui_ImplVulkan_DestroyFontUploadObjects() which is now unnecessary.
No need to call ImGui_ImplVulkan_CreateFontsTexture() as it is done automatically in ImGui_ImplVulkan_NewFrame().
You can call ImGui_ImplVulkan_CreateFontsTexture() manually if you need to reload the font atlas texture.
(#6943, #6715, #6327, #3743, #4618)
Other changes:
- Windows:
- BeginChild(): Added ImGuiChildFlags_ResizeX and ImGuiChildFlags_ResizeY to allow resizing
child windows from the bottom/right border (toward layout direction). Resized child windows
settings are saved and persistent in .ini file. (#1710)
- BeginChild(): Added ImGuiChildFlags_Border as a replacement for 'bool border = true' parameter.
- BeginChild(): Added ImGuiChildFlags_AutoResizeX and ImGuiChildFlags_AutoResizeY to auto-resize
on one axis, while generally providing a size on the other axis. (#1666, #1395, #1496, #1710)
e.g. BeginChild("name", {-FLT_MIN, 0.0f}, ImGuiChildFlags_AutoResizeY);
- Size is only reevaluated if the child window is within visible boundaries or just appearing.
This allows coarse clipping to be performed and auto-resizing childs to return false when
hidden because of being scrolled out.
- Combining this with also specifying ImGuiChildFlags_AlwaysAutoResize disables
this optimization, meaning child contents will never be clipped (not recommended).
- Please be considerate that child are full windows and carry significant overhead:
combining auto-resizing for both axises to create a non-scrolling child to merely draw
a border would be better more optimally using BeginGroup(). (see #1496)
(until we come up with new helpers for framed groups and work-rect adjustments).
- BeginChild(): made it possible to use SetNextWindowSizeConstraints() rectangle, often
useful when ImGuiChildFlags_AutoResizeX or ImGuiChildFlags_AutoResizeY. (#1666, #1395, #1496)
Custom constraint callback are not supported with child window.
- BeginChild(): Added ImGuiChildFlags_FrameStyle as a replacement for BeginChildFrame(),
use it to make child window use FrameBg, FrameRounding, FrameBorderSize, FramePadding
instead of ChildBg, ChildRounding, ChildBorderSize, WindowPadding.
- Popups: clarified meaning of 'p_open != NULL' in BeginPopupModal() + set back user value
to false when popup is closed in ways other than clicking the close button. (#6900)
- Double-clicking lower-left resize grip auto-resize (like lower-right one).
- Double-clicking bottom or right window border auto-resize on a singles axis.
- Use relative mouse movement for border resize when the border geometry has moved
(e.g. resizing a child window triggering parent scroll) in order to avoid resizing
feedback loops. Unless manually mouse-wheeling while border resizing. (#1710)
- Separators:
- Altered end-points to use more standard boundaries. (#205, #4787, #1643)
Left position is always current cursor X position, right position is always work-rect
rightmost edge. It effectively means that:
- A separator in the root of a window will end up a little more distant from edges
than previously (essentially following WindowPadding instead of clipping edges).
- A separator inside a table cell end up a little distance from edges instead of
touching them (essentially following CellPadding instead of clipping edges).
- Matches tree indentation (was not the case before).
- Matches SeparatorText(). (#1643)
- Makes things correct inside groups without specific/hard-coded handling. (#205)
- Support legacy behavior when used inside old Columns(), as we favored that idiom back then,
only different is left position follows indentation level, to match calling a Separator()
inside or outside Columns().
- Tooltips:
- Made using SetItemTooltip()/IsItemHovered(ImGuiHoveredFlags_ForTooltip) defaults to
activate tooltips on disabled items. This is done by adding ImGuiHoveredFlags_AllowWhenDisabled
to the default value of style.HoverFlagsForTooltipMouse/HoverFlagsForTooltipNav. (#1485)
- Made is possible to combine ImGuiHoveredFlags_ForTooltip with a ImGuiHoveredFlags_DelayXXX
override. (#1485)
- Drag and Drop:
- Reworked drop target highlight: reduce rectangle to its visible portion, and then expand
slightly. A full rectangle is always visible and it may protrude slightly. (#4281, #3272)
- Fixed submitting a tooltip from drop target location when using AcceptDragDropPayload()
with ImGuiDragDropFlags_AcceptNoPreviewTooltip and submitting a tooltip manually.
- Tables:
- Added angled headers support. You need to set ImGuiTableColumnFlags_AngledHeader on selected
columns and call TableAngledHeadersRow(). Added style.TableAngledHeadersAngle style option.
- Added ImGuiTableFlags_HighlightHoveredColumn flag, currently highlighting column header.
- Fixed an edge-case when no columns are visible + table scrollbar is visible + user
code is always testing return value of TableSetColumnIndex() to coarse clip. With an active
clipper it would have asserted. Without a clipper, the scrollbar range would be wrong.
- Request user to submit contents when outer host-window is requesting auto-resize,
so a scrolling table can contribute to initial window size. (#6510)
- Fixed subtle drawing overlap between borders in some situations.
- Fixed bottom-most and right-most outer border offset by one. (#6765, #3752) [@v-ein]
- Fixed top-most and left-most outer border overlapping inner clip-rect when scrolling. (#6765)
- Fixed top-most outer border being drawn with both TableBorderLight and TableBorderStrong
in some situations, causing the earlier to be visible underneath when alpha is not 1.0f.
- Fixed right-clicking right-most section (past right-most column) from highlighting a column.
- Fixed an issue with ScrollX enabled where an extraneous draw command would be created.
- Menus:
- Menus: Fixed a bug where activating an item in a child-menu and dragging mouse over the
parent-menu would erroneously close the child-menu. (Regression from 1.88). (#6869)
- MenuBar: Fixed an issue where layouting an item in the menu-bar would erroneously
register contents size in a way that would affect the scrolling layer.
Was most often noticeable when using an horizontal scrollbar. (#6789)
- InputText:
- InputTextMultiline: Fixed a crash pressing Down on last empty line of a multi-line buffer.
(regression from 1.89.2, only happened in some states). (#6783, #6000)
- InputTextMultiline: Fixed Tabbing cycle leading to a situation where Enter key wouldn't
be accepted by the widget when navigation highlight is visible. (#6802, #3092, #5759, #787)
- Nav: Tabbing always enable nav highlight when ImGuiConfigFlags_NavEnableKeyboard is set.
Previously was inconsistent and only enabled when stepping through a non-input item.
(#6802, #3092, #5759, #787)
- TreeNode: Added ImGuiTreeNodeFlags_SpanAllColumns for use in tables. (#3151, #3565, #2451, #2438)
- TabBar: Fixed position of unsaved document marker (ImGuiTabItemFlags_UnsavedDocument) which was
accidentally offset in 1.89.9. (#6862) [@alektron]
- ColorPicker4(): Fixed ImGuiColorEditFlags_NoTooltip not being forwarded to individual DragFloat3
sub-widgets which have a visible color preview when ImGuiColorEditFlags_NoSidePreview is also set. (#6957)
- BeginGroup(): Fixed a bug pushing line lower extent too far down when called after a call
to SameLine() followed by manual cursor manipulation.
- BeginCombo(): Added ImGuiComboFlags_WidthFitPreview flag. (#6881) [@mpv-enjoyer]
- BeginListBox(): Fixed not consuming SetNextWindowXXX() data when returning false.
- Fonts:
- Argument 'float size_pixels' passed to AddFontXXX() functions is now rounded to lowest integer.
This is because our layout/font system currently doesn't fully support non-integer sizes. Until
it does, this has been a common pitfall leading to more or less subtle issues. (#3164, #3309, #6800)
- Better assert during load when passing truncated font data or wrong data size. (#6822)
- Ensure calling AddFontXXX function doesn't invalidates ImFont's ConfigData pointers
prior to building again. (#6825)
- Added ImFontConfig::RasterizerDensity field to increase texture size of rendered glyphs
without altering other metrics. Among other things, this makes it easier to have zooming code
swapping between 2 fonts (e.g. a 100% and a 400% fonts) depending on current scale. (#6925) [@thedmd]
Important: if you increase this it is expected that you would render the font with a scale of
similar value or magnitude. Merely increasing this without increasing scale may lower quality.
- imgui_freetype: Added support for RasterizerDensity. (#6925) [@thedmd]
- imgui_freetype: Fixed a warning and leak in IMGUI_ENABLE_FREETYPE_LUNASVG support. (#6842, #6591)
- Inputs: Added IsKeyChordPressed() helper function e.g. IsKeyChordPressed(ImGuiMod_Ctrl | ImGuiKey_S).
(note that ImGuiMod_Shortcut may be used as an alias for Cmd on OSX and Ctrl on other systems).
- Misc: Most text functions also treat "%.*s" (along with "%s") specially to bypass formatting. (#3466, #6846)
- IO: Add extra keys to ImGuiKey enum: ImGuiKey_F13 to ImGuiKey_F24. (#6891, #4921)
- IO: Add extra keys to ImGuiKey enum: ImGuiKey_AppBack, ImGuiKey_AppForward. (#4921)
- IO: Setting io.WantSetMousePos ignores incoming MousePos events. (#6837, #228) [@bertaye]
- Debug Tools: Metrics: Added log of recent alloc/free calls.
- Debug Tools: Metrics: Added "Show groups rectangles" in tools.
- ImDrawList: Added AddEllipse(), AddEllipseFilled(), PathEllipticalArcTo(). (#2743) [@Doohl]
- ImVector: Added find_index() helper.
- Demo: Added "Drag and Drop -> Tooltip at target location" demo.
- Demo: Added "Layout -> Child Windows -> Manual-resize" demo. (#1710)
- Demo: Added "Layout -> Child Windows -> Auto-resize with constraints" demo. (#1666, #1395, #1496, #1710)
- Demo: Partly fixed "Examples -> Constrained-resizing window" custom constrains demo. (#6210) [@cfillion]
- Backends: Vulkan: Removed parameter from ImGui_ImplVulkan_CreateFontsTexture(): backend now creates its own
command-buffer to upload fonts. Removed ImGui_ImplVulkan_DestroyFontUploadObjects() which is now unnecessary.
No need to call ImGui_ImplVulkan_CreateFontsTexture() as it is done automatically in ImGui_ImplVulkan_NewFrame().
You can call ImGui_ImplVulkan_CreateFontsTexture() manually if you need to reload font atlas texture.
Fixed leaks, and added ImGui_ImplVulkan_DestroyFontsTexture() (probably no need to call this directly).
(#6943, #6715, #6327, #3743, #4618)
[@helynranta, @thomasherzog, @guybrush77, @albin-johansson, @MiroKaku, @benbatya-fb, @ocornut]
- Backends: GLFW: Clear emscripten's MouseWheel callback before shutdown. (#6790, #6096, #4019) [@halx99]
- Backends: GLFW: Added support for F13 to F24 function keys. (#6891)
- Backends: SDL2, SDL3: Added support for F13 to F24 function keys, AppBack, AppForward. (#6891)
- Backends: SDL3: Updates for recent API changes. (#7000, #6974)
- Backends: Win32: Added support for F13 to F24 function keys, AppBack, AppForward. (#6891)
- Backends: Win32: Added support for keyboard codepage conversion for when application
is compiled in MBCS mode and using a non-Unicode window. (#6785, #6782, #5725, #5961) [@sneakyevil]
- Backends: Win32: Synthesize key-down event on key-up for VK_SNAPSHOT / ImGuiKey_PrintScreen as Windows
doesn't emit it (same behavior as GLFW/SDL). (#6859) [@thedmd, @SuperWangKai]
- Backends: OpenGL3: rename symbols in our internal loader so that LTO compilation with another
copy of gl3w becomes possible. (#6875, #6668, #4445) [@nicolasnoble]
- Backends: OpenGL3: Update GL3W based imgui_impl_opengl3_loader.h to load "libGL.so" instead
of "libGL.so.1", accommodating for NetBSD systems having only "libGL.so.3" available. (#6983)
- Backends: OSX: Added support for F13 to F20 function keys. Support mapping F13 to PrintScreen. (#6891)
- Examples: GLFW+Vulkan, SDL+Vulkan: Simplified and removed code due to backend improvements.
- Internals: Renamed ImFloor() to ImTrunc(). Renamed ImFloorSigned() to ImFloor(). (#6861)
-----------------------------------------------------------------------
VERSION 1.89.9 (Released 2023-09-04)
-----------------------------------------------------------------------
Decorated log and release notes: https://github.com/ocornut/imgui/releases/tag/v1.89.9
Breaking changes:
- Clipper: Renamed IncludeRangeByIndices(), also called ForceDisplayRangeByIndices()
before 1.89.6, to IncludeItemsByIndex(). Kept inline redirection function. (#6424, #3841)
Other changes:
- Tables: Made it possible to use SameLine(0,0) after TableNextColumn() or
TableSetColumnIndex() in order to reuse line pos/height from previous cell. (#3740)
- Tables: Made it possible to change style.CellPadding.y between rows. (#3740)
- Nav, TreeNode: Pressing Left with ImGuiTreeNodeFlags_NavLeftJumpsBackHere now goes
through proper navigation logic: honor scrolling and selection. (#1079, #1131)
- Sliders: Fixed an integer overflow and div-by-zero in SliderInt() when
v_max=INT_MAX (#6675, #6679) [@jbarthelmes]
- Windows: Layout of Close/Collapse buttons uses style.ItemInnerSpacing.x between items,
stopped incorrectly using FramePadding in a way where hit-boxes could overlap when
setting large values. (#6749)
- TabBar, Style: added style.TabBarBorderSize and associated ImGuiStyleVar_TabBarBorderSize.
Tweaked rendering of that separator to allow thicker values. (#6820, #4859, #5022, #5239)
- InputFloat, SliderFloat, DragFloat: always turn both '.' and ',' into the current decimal
point character when using Decimal/Scientific character filter. (#6719, #2278) [@adamsepp]
- ColorEdit, ColorPicker: Manipulating options popup don't mark item as edited. (#6722)
(Note that they may still be marked as Active/Hovered.)
- Clipper: Added IncludeItemByIndex() helper to include a single item. (#6424, #3841)
- Clipper: Fixed a bug if attempt to force-include a range which matches an already
included range, clipper would end earlier. (#3841)
- ImDrawData: Fixed an issue where TotalVtxCount/TotalIdxCount does not match the sum
of individual ImDrawList's buffer sizes when a dimming/modal background is rendered. (#6716)
- ImDrawList: Automatically calling ChannelsMerge() if not done after a split.
- ImDrawList: Fixed OOB access in _CalcCircleAutoSegmentCount when passing excessively
large radius to AddCircle(). (#6657, #5317) [@EggsyCRO, @jdpatdiscord]
- IO: Exposed io.PlatformLocaleDecimalPoint to configure decimal point ('.' or ',') for
languages needing it. Should ideally be set to the value of '*localeconv()->decimal_point'
but our backends don't do it yet. (#6719, #2278)
- IO: Fixed io.AddMousePosEvent() and io.AddMouseButtonEvent() writing MouseSource to
wrong union section. Was semantically incorrect and accidentally had no side-effects
with default compiler alignment settings. (#6727) [@RickHuang2001]
- Misc: Made multiple calls to Render() during the same frame early out faster.
- Debug Tools: Metrics: Fixed "Drawlists" section and per-viewport equivalent
appearing empty (regression in 1.89.8).
- Demo: Reorganized "Examples" menu.
- Demo: Tables: Demonstrate using SameLine() between cells. (#3740)
- Demo: Tables: Demonstrate altering CellPadding.y between rows. (#3740)
- Demo: Custom Rendering: Demonstrate out-of-order rendering using ImDrawListSplitter.
- Backends: SDL2,SDL3: added ImGui_ImplSDL2_InitForOther()/ImGui_ImplSDL3_InitForOther()
for consistency (matching GLFW backend) and as most initialization paths don't actually
need to care about rendering backend.
- Examples: Emscripten+WebGPU: Fixed WGPUInstance creation process + use preferred
framebuffer format. (#6640, #6748) [@smileorigin]
-----------------------------------------------------------------------
VERSION 1.89.8 (Released 2023-08-01)
-----------------------------------------------------------------------
Decorated log and release notes: https://github.com/ocornut/imgui/releases/tag/v1.89.8
Breaking changes:
- IO: Obsoleted io.ClearInputCharacters() (added in 1.47) as it now ambiguous
and often incorrect/misleading considering the existence of a higher-level
input queue. This is automatically cleared by io.ClearInputsKeys(). (#4921)
- ImDrawData: CmdLists[] array is now owned, changed from 'ImDrawList**' to
'ImVector<ImDrawList*>'. Majority of users shouldn't be affected, but you
cannot compare to NULL nor reassign manually anymore.
Instead use AddDrawList(). Allocation count are identical. (#6406, #4879, #1878)
Other changes:
- Fonts: ImFontConfig::OversampleH now defaults to 2 instead of 3, since the
quality increase is largely minimal.
- Fonts, imgui_freetype: Added support to render OpenType SVG fonts using lunasvg.
Requires enabling IMGUI_ENABLE_FREETYPE_LUNASVG along with IMGUI_ENABLE_FREETYPE,
and providing headers/libraries for lunasvg. (#6591, #6607) [@sakiodre]
- ImDrawData: CmdLists[] array is now an ImVector<> owned by ImDrawData rather
than a pointer to internal state.
- This makes it easier for user to create their own or append to an existing draw data.
Added a ImDrawData::AddDrawList() helper function to do that. (#6406, #4879, #1878)
- This makes it easier to perform a deep-swap instead of a deep-copy, as array
ownership is now clear. (#6597, #6475, #6167, #5776, #5109, #4763, #3515, #1860)
- Syntax and allocation count are otherwise identical.
- Fixed CTRL+Tab dimming background assert when target window has a callback
in the last ImDrawCmd. (#4857, #5937)
- IsItemHovered: Fixed ImGuiHoveredFlags_ForTooltip for Keyboard/Gamepad navigation,
got broken prior to 1.89.7 due to an unrelated change making flags conflict. (#6622, #1485)
- InputText: Fixed a case where deactivation frame would write to underlying
buffer or call CallbackResize although unnecessary, in a frame where the
return value was false.
- Tables: fixed GetContentRegionAvail().y report not taking account of lower cell
padding or of using ImGuiTableFlags_NoHostExtendY. Not taking it into account
would make the idiom of creating vertically bottom-aligned content (e.g. a child
window) inside a table make the parent window erroneously have a scrollbar. (#6619)
- Tables: fixed calculation of multi-instance shared decoration/scrollbar width of
scrolling tables, to avoid flickering width variation when resizing down a table
hosting a child window. (#5920, #6619)
- Scrollbar: layout needs to take account of window border size, so a border size
will slightly reduce scrollbar size. Generally we tried to make it that window
border size has no incidence on layout but this can't work with thick borders. (#2522)
- IO: Added io.ClearEventsQueue() to clear incoming inputs events. (#4921)
May be useful in conjunction with io.ClearInputsKeys() if you need to clear
both current inputs state and queued events (e.g. when using blocking native
dialogs such as Windows's ::MessageBox() or ::GetOpenFileName()).
- IO: Changed io.ClearInputsKeys() specs to also clear current frame character buffer
(what now obsoleted io.ClearInputCharacters() did), as this is effectively the
desirable behavior.
- Misc: Added IMGUI_DISABLE_STB_SPRINTF_IMPLEMENTATION config macro to disable
stb_sprintf implementation when using IMGUI_USE_STB_SPRINTF. (#6626) [@septag]
- Misc: Avoid stb_textedit.h reincluding string.h while in a namespace, which
messes up with building with Clang Modules. (#6653, #4791) [@JohelEGP]
- Demo: Better showcase use of SetNextItemAllowOverlap(). (#6574, #6512, #3909, #517)
- Demo: Showcase a few more InputText() flags.
- Backends: Made all backends sources files support global IMGUI_DISABLE. (#6601)
- Backends: GLFW: Revert ignoring mouse data on GLFW_CURSOR_DISABLED as it can be used
differently. User may set ImGuiConfigFlags_NoMouse if desired. (#5625, #6609) [@scorpion-26]
- Backends: WebGPU: Update for changes in Dawn. (#6602, #6188) [@williamhCode]
- Examples: Vulkan: Creating minimal descriptor pools to fit only what is needed by
example. (#6642) [@SaschaWillem]
-----------------------------------------------------------------------
VERSION 1.89.7 (Released 2023-07-04)
-----------------------------------------------------------------------
@ -48,6 +489,11 @@ Breaking changes:
legacy 'SetItemAllowOverlap()' call (public API) + ImGuiButtonFlags_AllowOverlap (internal).
- Obsoleted 'SetItemAllowOverlap()': it didn't and couldn't work reliably since 1.89 (2022-11-15),
and relied on ambiguously defined design. Use 'SetNextItemAllowOverlap()' before item instead.
- Selectable, TreeNode: When using ImGuiSelectableFlags_AllowOverlap/ImGuiTreeNodeFlags_AllowOverlap
and holding item held, overlapping widgets won't appear as hovered. (#6512, #3909)
While this fixes a common small visual issue, it also means that calling IsItemHovered()
after a non-reactive elements - e.g. Text() - overlapping an active one may fail if you don't
use IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem). (#6610)
- Renamed 'ImGuiTreeNodeFlags_AllowItemOverlap' to 'ImGuiTreeNodeFlags_AllowOverlap'.
- Renamed 'ImGuiSelectableFlags_AllowItemOverlap' to 'ImGuiSelectableFlags_AllowOverlap'
- Kept redirecting enums (will obsolete).
@ -83,8 +529,6 @@ Other changes:
- Fixed first frame of an overlap highlighting underlying item if previous frame didn't hover anything.
- IsItemHovered: Changed to return false when querying an item using AllowOverlap mode which
is being overlapped. Added ImGuiHoveredFlags_AllowWhenOverlappedByItem to opt-out. (#6512, #3909, #517)
- Selectable, TreeNode: When using ImGuiSelectableFlags_AllowOverlap/ImGuiTreeNodeFlags_AllowOverlap
and holding item held, overlapping widgets won't appear as hovered. (#6512, #3909)
- IsWindowHovered: Added support for ImGuiHoveredFlags_Stationary.
- IsWindowHovered, IsItemHovered: Assert when passed any unsupported flags.
- Tables: Fixed a regression in 1.89.6 leading to the first column of tables with either
@ -1202,7 +1646,7 @@ Breaking Changes:
- Commented out redirecting functions/enums names that were marked obsolete in 1.67 and 1.69 (March 2019):
- ImGui::GetOverlayDrawList() -> use ImGui::GetForegroundDrawList()
- ImFont::GlyphRangesBuilder -> use ImFontGlyphRangesBuilder
- Backends: OpenGL3: added a third source file "imgui_impl_opengl3_loader.h". [@rokups]
- Backends: OpenGL3: added a third source file "imgui_impl_opengl3_loader.h". (#4445) [@rokups]
- Backends: GLFW: backend now uses glfwSetCursorEnterCallback(). (#3751, #4377, #2445)
- Backends: GLFW: backend now uses glfwSetWindowFocusCallback(). (#4388) [@thedmd]
- If calling ImGui_ImplGlfw_InitXXX with install_callbacks=true: this is already done for you.
@ -1291,7 +1735,7 @@ Other Changes:
about building on 32-bit systems. (#4225) [@kingofthebongo2008]
- Backends: OpenGL3: Embed our own minimal GL headers/loader (imgui_impl_opengl3_loader.h) based on gl3w.
Reduces the frequent issues and confusion coming from having to support multiple loaders and requiring users to use and
initialize the same loader as the backend. [@rokups]
initialize the same loader as the backend. (#4445) [@rokups]
Removed support for gl3w, glew, glad, glad2, glbinding2, glbinding3 (all now unnecessary).
- Backends: OpenGL3: Handle GL_CLIP_ORIGIN on <4.5 contexts if "GL_ARB_clip_control" extension is detected. (#4170, #3998)
- Backends: OpenGL3: Destroy vertex/fragment shader objects right after they are linked into main shader. (#4244) [@Crowbarous]
@ -3086,6 +3530,8 @@ Decorated log and release notes: https://github.com/ocornut/imgui/releases/tag/v
Breaking Changes:
- Tabs: Added ImGuiTabItemFlags_NoAssumedClosure to enable app to react on closure attempt, without having to draw
an unsaved document marker (ImGuiTabItemFlags_UnsavedDocument sets _NoAssumedClosure automatically). (#7084)
- DragInt(): The default compile-time format string has been changed from "%.0f" to "%d", as we are not using integers internally
any more. If you used DragInt() with custom format strings, make sure you change them to use %d or an integer-compatible format.
To honor backward-compatibility, the DragInt() code will currently parse and modify format strings to replace %*f with %d,

23
docs/CONTRIBUTING.md
View File

@ -12,26 +12,29 @@
- Article: [How To Ask Good Questions](https://bit.ly/3nwRnx1).
- Please browse the [Wiki](https://github.com/ocornut/imgui/wiki) to find code snippets, links and other resources (e.g. [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started), [Useful extensions](https://github.com/ocornut/imgui/wiki/Useful-Extensions)).
- Please read [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started) if your question relates to setting up Dear ImGui.
- Please read [docs/FAQ.md](https://github.com/ocornut/imgui/blob/master/docs/FAQ.md).
- Please read [docs/FONTS.md](https://github.com/ocornut/imgui/blob/master/docs/FONTS.md) if your question relates to fonts or text.
- Please read one of the [examples/](https://github.com/ocornut/imgui/tree/master/examples) application if your question relates to setting up Dear ImGui.
- Please run `ImGui::ShowDemoWindow()` to explore the demo and its sources.
- Please use the search function of your IDE to search in for comments related to your situation.
- Please use the search function of GitHub to look for similar issues. You may [browse issues by Labels](https://github.com/ocornut/imgui/labels).
- Please use the search function of your IDE to search for symbols and comments related to your situation.
- Please use the search function of GitHub to look for similar topics (always include 'Closed' issues/pr in your search).
- You may [browse issues by Labels](https://github.com/ocornut/imgui/labels).
- Please use a web search engine to look for similar issues.
- If you get a crash or assert, use a debugger to locate the line triggering it and read the comments around.
- Please don't be a [Help Vampire](https://slash7.com/2006/12/22/vampires/).
## Issues vs Discussions
## 'Issues' vs 'Discussions'
If you:
We are happy to use 'Issues' for many type of open-ended questions. We are encouraging 'Issues' becoming an enormous, centralized and cross-referenced database of Dear ImGui contents.
Only if you:
- Cannot BUILD or LINK examples.
- Cannot BUILD, or LINK, or RUN Dear ImGui in your application or custom engine.
- Cannot LOAD a font.
Then please [use the Discussions forums](https://github.com/ocornut/imgui/discussions) instead of opening an issue.
If Dear ImGui is successfully showing in your app and you have used Dear ImGui before, you can open an issue. Any form of discussions is welcome as a new issue.
If Dear ImGui is successfully showing in your app and you have used Dear ImGui before, you can open an Issue. Any form of discussions is welcome as a new issue.
## How to open an issue
@ -46,16 +49,16 @@ Steps:
- Article: [How To Ask Good Questions](https://bit.ly/3nwRnx1).
- **PLEASE DO FILL THE REQUESTED NEW ISSUE TEMPLATE.** Including Dear ImGui version number, branch name, platform/renderer back-ends (imgui_impl_XXX files), operating system.
- **Try to be explicit with your GOALS, your EXPECTATIONS and what you have tried**. Be mindful of [The XY Problem](http://xyproblem.info/). What you have in mind or in your code is not obvious to other people. People frequently discuss problems and suggest incorrect solutions without first clarifying their goals. When requesting a new feature, please describe the usage context (how you intend to use it, why you need it, etc.). If you tried something and it failed, show us what you tried.
- **Please INCLUDE CODE. Provide a Minimal, Complete, and Verifiable Example ([MCVE](https://stackoverflow.com/help/mcve)) to demonstrate your problem**. An ideal submission includes a small piece of code that anyone can paste into one of the examples applications (examples/../main.cpp) or demo (imgui_demo.cpp) to understand and reproduce it. **Narrowing your problem to its shortest and purest form is the easiest way to understand it, explain it and fix it**. Please test your shortened code to ensure it exhibits the problem. **Often while creating the MCVE you will solve the problem!** Many questions that are missing a standalone verifiable example are missing the actual cause of their issue in the description, which ends up wasting everyone's time.
- **Attach screenshots (or GIF/video) to clarify the context**. They often convey useful information that is omitted by the description. You can drag pictures/files in the message edit box. Avoid using 3rd party image hosting services, prefer the long-term longevity of GitHub attachments (you can drag pictures into your post). On Windows, you can use [ScreenToGif](https://www.screentogif.com/) to easily capture .gif files.
- **If you are discussing an assert or a crash, please provide a debugger callstack**. Never state "it crashes" without additional information. If you don't know how to use a debugger and retrieve a callstack, learning about it will be useful.
- **Please make sure that your project has asserts enabled.** Calls to IM_ASSERT() are scattered in the code to help catch common issues. When an assert is triggered read the comments around it. By default IM_ASSERT() calls the standard assert() function. To verify that your asserts are enabled, add the line `IM_ASSERT(false);` in your main() function. Your application should display an error message and abort. If your application doesn't report an error, your asserts are disabled.
- **Please provide a Minimal, Complete, and Verifiable Example ([MCVE](https://stackoverflow.com/help/mcve)) to demonstrate your problem**. An ideal submission includes a small piece of code that anyone can paste into one of the examples applications (examples/../main.cpp) or demo (imgui_demo.cpp) to understand and reproduce it. Narrowing your problem to its shortest and purest form is the easiest way to understand it. Please test your shortened code to ensure it exhibits the problem. **Often while creating the MCVE you will end up solving the problem!** Many questions that are missing a standalone verifiable example are missing the actual cause of their issue in the description, which ends up wasting everyone's time.
- Please state if you have made substantial modifications to your copy of Dear ImGui or the back-end.
- If you are not calling Dear ImGui directly from C++, please provide information about your Language and the wrapper/binding you are using.
- Be mindful that messages are being sent to the mailbox of "Watching" users. Try to proofread your messages before sending them. Edits are not seen by those users unless they browse the site.
**Some unfortunate words of warning**
- If you are involved in cheating schemes (e.g. DLL injection) for competitive online multiplayer games, please don't try posting here. We won't answer and you will be blocked. It doesn't matter if your question relates to said project. We've had too many of you and need to project our time and sanity.
- If you are involved in cheating schemes (e.g. DLL injection) for competitive online multiplayer games, please don't post here. We won't answer and you will be blocked. It doesn't matter if your question relates to said project. We've had too many of you and need to project our time and sanity.
- Due to frequent abuse of this service from the aforementioned users, if your GitHub account is anonymous and was created five minutes ago please understand that your post will receive more scrutiny and incomplete questions will be harshly dismissed.
If you have been using Dear ImGui for a while or have been using C/C++ for several years or have demonstrated good behavior here, it is ok to not fulfill every item to the letter. Those are guidelines and experienced users or members of the community will know which information is useful in a given context.
@ -63,15 +66,13 @@ If you have been using Dear ImGui for a while or have been using C/C++ for sever
## How to open a Pull Request
- **Please understand that by submitting a PR you are also submitting a request for the maintainer to review your code and then take over its maintenance.** PR should be crafted both in the interest of the end-users and also to ease the maintainer into understanding and accepting it.
- Many PRs are useful to demonstrate a need and a possible solution but aren't adequate for merging (causing other issues, not seeing other aspects of the big picture, etc.). In doubt, don't hesitate to push a PR because that is always the first step toward finding the mergeable solution! Even if a PR stays unmerged for a long time, its presence can be useful for other users and helps toward finding a general solution.
- Many PRs are useful to demonstrate a need and a possible solution but aren't adequate for merging (causing other issues, not seeing other aspects of the big picture, etc.). In doubt, don't hesitate to push a PR because that is always the first step toward pointing toward a problem, and finding the mergeable solution! Even if a PR stays unmerged for a long time, its presence can be useful for other users and helps toward finding a general solution.
- **When adding a feature,** please describe the usage context (how you intend to use it, why you need it, etc.). Be mindful of [The XY Problem](http://xyproblem.info/).
- **When fixing a warning or compilation problem,** please post the compiler log and specify the compiler version and platform you are using.
- **Attach screenshots (or GIF/video) to clarify the context and demonstrate the feature at a glance.** You can drag pictures/files in the message edit box. Prefer the long-term longevity of GitHub attachments over 3rd party hosting (you can drag pictures into your post).
- **Make sure your code follows the coding style already used in the codebase:** 4 spaces indentations (no tabs), `local_variable`, `FunctionName()`, `MemberName`, `// Text Comment`, `//CodeComment();`, C-style casts, etc.. We don't use modern C++ idioms and tend to use only a minimum of C++11 features. The applications under examples/ are generally less consistent because they sometimes try to mimic the coding style often adopted by a certain ecosystem (e.g. DirectX-related code tend to use the style of their sample).
- **Make sure you create a branch dedicated to the pull request**. In Git, 1 PR is associated to 1 branch. If you keep pushing to the same branch after you submitted the PR, your new commits will appear in the PR (we can still cherry-pick individual commits).
Thank you for reading!
## Copyright / Contributor License Agreement
Any code you submit will become part of the repository and be distributed under the [Dear ImGui license](https://github.com/ocornut/imgui/blob/master/LICENSE.txt). By submitting code to the project you agree that the code is your work and that you can give it to the project.

4
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@ -10,7 +10,7 @@ integrating Dear ImGui in your own application/game/engine.
**Once Dear ImGui is setup and running, run and refer to `ImGui::ShowDemoWindow()` in imgui_demo.cpp for usage of the end-user API.**
You can find Windows binaries for some of those example applications at:
http://www.dearimgui.com/binaries
https://www.dearimgui.com/binaries
### Getting Started
@ -74,7 +74,7 @@ ImGui::DestroyContext();
Please read 'PROGRAMMER GUIDE' in imgui.cpp for notes on how to setup Dear ImGui in your codebase.
Please read the comments and instruction at the top of each file.
Please read FAQ at http://www.dearimgui.com/faq
Please read FAQ at https://www.dearimgui.com/faq
If you are using any of the backends provided here, you can add the backends/imgui_impl_xxxx(.cpp,.h)
files to your project and use as-in. Each imgui_impl_xxxx.cpp file comes with its own individual

57
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@ -91,6 +91,7 @@ Many projects are using this branch and it is kept in sync with master regularly
### Q: How to get started?
Read [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started). <BR>
Read [EXAMPLES.md](https://github.com/ocornut/imgui/blob/master/docs/EXAMPLES.md). <BR>
Read [BACKENDS.md](https://github.com/ocornut/imgui/blob/master/docs/BACKENDS.md). <BR>
Read `PROGRAMMER GUIDE` section of [imgui.cpp](https://github.com/ocornut/imgui/blob/master/imgui.cpp). <BR>
@ -124,13 +125,8 @@ void MyLowLevelMouseButtonHandler(int button, bool down)
}
```
**Note:** The `io.WantCaptureMouse` is more correct that any manual attempt to "check if the mouse is hovering a window" (don't do that!). It handles mouse dragging correctly (both dragging that started over your application or over a Dear ImGui window) and handle e.g. popup and modal windows blocking inputs.
**Note:** Those flags are updated by `ImGui::NewFrame()`. However it is generally more correct and easier that you poll flags from the previous frame, then submit your inputs, then call `NewFrame()`. If you attempt to do the opposite (which is generally harder) you are likely going to submit your inputs after `NewFrame()`, and therefore too late.
**Note:** If you are using a touch device, you may find use for an early call to `UpdateHoveredWindowAndCaptureFlags()` to correctly dispatch your initial touch. We will work on better out-of-the-box touch support in the future.
**Note:** Text input widget releases focus on the "KeyDown" event of the Return key, so the subsequent "KeyUp" event that your application receive will typically have `io.WantCaptureKeyboard == false`. Depending on your application logic it may or not be inconvenient to receive that KeyUp event. You might want to track which key-downs were targeted for Dear ImGui, e.g. with an array of bool, and filter out the corresponding key-ups.)
##### [Return to Index](#index)
@ -141,7 +137,7 @@ void MyLowLevelMouseButtonHandler(int button, bool down)
- The gamepad/keyboard navigation is fairly functional and keeps being improved. The initial focus was to support game controllers, but keyboard is becoming increasingly and decently usable. Gamepad support is particularly useful to use Dear ImGui on a game console (e.g. PS4, Switch, XB1) without a mouse connected!
- Keyboard: set `io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard` to enable.
- Gamepad: set `io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad` to enable (with a supporting backend).
- See [Control Sheets for Gamepads](http://www.dearimgui.com/controls_sheets) (reference PNG/PSD for PS4, XB1, Switch gamepads).
- See [Control Sheets for Gamepads](https://www.dearimgui.com/controls_sheets) (reference PNG/PSD for PS4, XB1, Switch gamepads).
- See `USING GAMEPAD/KEYBOARD NAVIGATION CONTROLS` section of [imgui.cpp](https://github.com/ocornut/imgui/blob/master/imgui.cpp) for more details.
##### [Return to Index](#index)
@ -164,8 +160,8 @@ Console SDK also sometimes provide equivalent tooling or wrapper for Synergy-lik
---
### Q: I integrated Dear ImGui in my engine and little squares are showing instead of text...
Your renderer is not using the font texture correctly or it hasn't been uploaded to the GPU.
- If this happens using the standard backends: A) have you modified the font atlas after `ImGui_ImplXXX_NewFrame()`? B) maybe the texture failed to upload, which could happens if for some reason your texture is too big. Also see [docs/FONTS.md](https://github.com/ocornut/imgui/blob/master/docs/FONTS.md).
Your renderer backend is not using the font texture correctly or it hasn't been uploaded to the GPU.
- If this happens using the standard backends: A) have you modified the font atlas after `ImGui_ImplXXX_NewFrame()`? B) maybe the texture failed to upload, which **can if your texture atlas is too big**. Also see [docs/FONTS.md](https://github.com/ocornut/imgui/blob/master/docs/FONTS.md).
- If this happens with a custom backend: make sure you have uploaded the font texture to the GPU, that all shaders are rendering states are setup properly (e.g. texture is bound). Compare your code to existing backends and use a graphics debugger such as [RenderDoc](https://renderdoc.org) to debug your rendering states.
##### [Return to Index](#index)
@ -216,7 +212,7 @@ Interactive widgets (such as calls to Button buttons) need a unique ID.
**Unique IDs are used internally to track active widgets and occasionally associate state to widgets.<BR>
Unique IDs are implicitly built from the hash of multiple elements that identify the "path" to the UI element.**
Since Dear ImGui 1.85, you can use `Demo>Tools>Stack Tool` or call `ImGui::ShowStackToolWindow()`. The tool display intermediate values leading to the creation of a unique ID, making things easier to debug and understand.
Since Dear ImGui 1.85, you can use `Demo>Tools>ID Stack Tool` or call `ImGui::ShowIDStackToolWindow()`. The tool display intermediate values leading to the creation of a unique ID, making things easier to debug and understand.
![Stack tool](https://user-images.githubusercontent.com/8225057/136235657-a0ea5665-dcd1-423f-9be6-dc3f8ced8f12.png)
@ -430,7 +426,7 @@ Finally, you may call `ImGui::ShowMetricsWindow()` to explore/visualize/understa
### Q: How can I use maths operators with ImVec2?
We do not export maths operators by default in imgui.h in order to not conflict with the use of your own maths types and maths operators. As a convenience, you may use `#defne IMGUI_DEFINE_MATH_OPERATORS` + `#include "imgui.h"` to access our basic maths operators.
We do not export maths operators by default in imgui.h in order to not conflict with the use of your own maths types and maths operators. As a convenience, you may use `#define IMGUI_DEFINE_MATH_OPERATORS` + `#include "imgui.h"` to access our basic maths operators.
##### [Return to Index](#index)
@ -529,7 +525,7 @@ This approach is relatively easy and functional but comes with two issues:
- Style override may be lost during the `Begin()` call crossing monitor boundaries. You may need to do some custom scaling mumbo-jumbo if you want your `OnChangedViewport()` handler to preserve style overrides.
Please note that if you are not using multi-viewports with multi-monitors using different DPI scales, you can ignore that and use the simpler technique recommended at the top.
On Windows, in addition to scaling the font size (make sure to round to an integer) and using `style.ScaleAllSizes()`, you will need to inform Windows that your application is DPI aware. If this is not done, Windows will scale the application window and the UI text will be blurry. Potential solutions to indicate DPI awareness on Windows are:
- For SDL: the flag `SDL_WINDOW_ALLOW_HIGHDPI` needs to be passed to `SDL_CreateWindow()``.
@ -569,44 +565,15 @@ io.Fonts->AddFontFromFileTTF("MyFolder/MyFont.ttf", size); // ALSO CORRECT
### Q: How can I easily use icons in my application?
The most convenient and practical way is to merge an icon font such as FontAwesome inside your
main font. Then you can refer to icons within your strings.
You may want to see `ImFontConfig::GlyphMinAdvanceX` to make your icon look monospace to facilitate alignment.
(Read the [docs/FONTS.md](https://github.com/ocornut/imgui/blob/master/docs/FONTS.md) file for more details about icons font loading.)
With some extra effort, you may use colorful icons by registering custom rectangle space inside the font atlas,
and copying your own graphics data into it. See docs/FONTS.md about using the AddCustomRectFontGlyph API.
Read the [docs/FONTS.md](https://github.com/ocornut/imgui/blob/master/docs/FONTS.md) file for more details about icons font loading.
##### [Return to Index](#index)
---
### Q: How can I load multiple fonts?
Use the font atlas to pack them into a single texture:
(Read the [docs/FONTS.md](https://github.com/ocornut/imgui/blob/master/docs/FONTS.md) file and the code in ImFontAtlas for more details.)
```cpp
ImGuiIO& io = ImGui::GetIO();
ImFont* font0 = io.Fonts->AddFontDefault();
ImFont* font1 = io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels);
ImFont* font2 = io.Fonts->AddFontFromFileTTF("myfontfile2.ttf", size_in_pixels);
io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8()
// the first loaded font gets used by default
// use ImGui::PushFont()/ImGui::PopFont() to change the font at runtime
// Options
ImFontConfig config;
config.OversampleH = 2;
config.OversampleV = 1;
config.GlyphOffset.y -= 1.0f; // Move everything by 1 pixel up
config.GlyphExtraSpacing.x = 1.0f; // Increase spacing between characters
io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_pixels, &config);
// Combine multiple fonts into one (e.g. for icon fonts)
static ImWchar ranges[] = { 0xf000, 0xf3ff, 0 };
ImFontConfig config;
config.MergeMode = true;
io.Fonts->AddFontDefault();
io.Fonts->AddFontFromFileTTF("fontawesome-webfont.ttf", 16.0f, &config, ranges); // Merge icon font
io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_pixels, nullptr, &config, io.Fonts->GetGlyphRangesJapanese()); // Merge japanese glyphs
```
Use the font atlas to pack them into a single texture. Read [docs/FONTS.md](https://github.com/ocornut/imgui/blob/master/docs/FONTS.md) for more details.
##### [Return to Index](#index)
@ -655,7 +622,7 @@ You may take a look at:
- [Quotes](https://github.com/ocornut/imgui/wiki/Quotes)
- [Software using Dear ImGui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui)
- [Sponsors](https://github.com/ocornut/imgui/wiki/Sponsors)
- [Gallery](https://github.com/ocornut/imgui/issues/6478)
- [Gallery](https://github.com/ocornut/imgui/issues/6897)
##### [Return to Index](#index)
@ -697,11 +664,11 @@ There is an auto-generated [c-api for Dear ImGui (cimgui)](https://github.com/ci
# Q&A: Community
### Q: How can I help?
- Businesses: please reach out to `contact AT dearimgui.com` if you work in a place using Dear ImGui! We can discuss ways for your company to fund development via invoiced technical support, maintenance, or sponsoring contacts. This is among the most useful thing you can do for Dear ImGui. With increased funding, we can hire more people to work on this project.
- Businesses: please reach out to `omar AT dearimgui.com` if you work in a place using Dear ImGui! We can discuss ways for your company to fund development via invoiced technical support, maintenance, or sponsoring contacts. This is among the most useful thing you can do for Dear ImGui. With increased funding, we can hire more people to work on this project.
- Individuals: you can support continued maintenance and development via PayPal donations. See [README](https://github.com/ocornut/imgui/blob/master/docs/README.md).
- If you are experienced with Dear ImGui and C++, look at [GitHub Issues](https://github.com/ocornut/imgui/issues), [GitHub Discussions](https://github.com/ocornut/imgui/discussions), the [Wiki](https://github.com/ocornut/imgui/wiki), read [docs/TODO.txt](https://github.com/ocornut/imgui/blob/master/docs/TODO.txt), and see how you want to help and can help!
- Disclose your usage of Dear ImGui via a dev blog post, a tweet, a screenshot, a mention somewhere, etc.
You may post screenshots or links in the [gallery threads](https://github.com/ocornut/imgui/issues/6478). Visuals are ideal as they inspire other programmers. Disclosing your use of Dear ImGui helps the library grow credibility, and helps other teams and programmers with taking decisions.
You may post screenshots or links in the [gallery threads](https://github.com/ocornut/imgui/issues/6897). Visuals are ideal as they inspire other programmers. Disclosing your use of Dear ImGui helps the library grow credibility, and helps other teams and programmers with taking decisions.
- If you have issues or if you need to hack into the library, even if you don't expect any support it is useful that you share your issues or sometimes incomplete PR.
##### [Return to Index](#index)

286
docs/FONTS.md
View File

@ -11,118 +11,58 @@ In the [misc/fonts/](https://github.com/ocornut/imgui/tree/master/misc/fonts) fo
**Also read the FAQ:** https://www.dearimgui.com/faq (there is a Fonts section!)
## Index
- [Readme First](#readme-first)
- [About Filenames](#about-filenames)
- [About UTF-8 Encoding](#about-utf-8-encoding)
- [Debug Tools](#debug-tools)
- [Troubleshooting](#troubleshooting)
- [How should I handle DPI in my application?](#how-should-i-handle-dpi-in-my-application)
- [Fonts Loading Instructions](#fonts-loading-instructions)
- [Loading Font Data from Memory](#loading-font-data-from-memory)
- [Loading Font Data Embedded In Source Code](#loading-font-data-embedded-in-source-code)
- [Using Icon Fonts](#using-icon-fonts)
- [Using FreeType Rasterizer (imgui_freetype)](#using-freetype-rasterizer-imgui_freetype)
- [Using Colorful Glyphs/Emojis](#using-colorful-glyphsemojis)
- [Using Custom Glyph Ranges](#using-custom-glyph-ranges)
- [Using Custom Colorful Icons](#using-custom-colorful-icons)
- [Using Font Data Embedded In Source Code](#using-font-data-embedded-in-source-code)
- [About Filenames](#about-filenames)
- [About UTF-8 Encoding](#about-utf-8-encoding)
- [Debug Tools](#debug-tools)
- [Credits/Licenses For Fonts Included In Repository](#creditslicenses-for-fonts-included-in-repository)
- [Font Links](#font-links)
---------------------------------------
## Readme First
## Troubleshooting
**A vast majority of font and text related issues encountered comes from 3 things:**
- Invalid filename due to use of `\` or unexpected working directory. See [About Filenames](#about-filenames). AddFontXXX functions should assert if the filename is incorrect.
- Invalid UTF-8 encoding of your non-ASCII strings. See [About UTF-8 Encoding](#about-utf-8-encoding). Use the encoding viewer to confirm yours is correct.
- You need to load a font with explicit glyph ranges if you want to use non-ASCII characters. See [Fonts Loading Instructions](#fonts-loading-instructions). Use Metrics/Debugger->Fonts to confirm loaded fonts and loaded glyph ranges.
**A vast majority of font and text related issues encountered comes from 4 things:**
The third point is a current constraint of Dear ImGui (which we will lift in the future): when loading a font you need to specify which characters glyphs to load.
All loaded fonts glyphs are rendered into a single texture atlas ahead of time. Calling either of `io.Fonts->GetTexDataAsAlpha8()`, `io.Fonts->GetTexDataAsRGBA32()` or `io.Fonts->Build()` will build the atlas. This is generally called by the Renderer backend, e.g. `ImGui_ImplDX11_NewFrame()` calls it.
### (1) Invalid filename due to use of `\` or unexpected working directory.
**If you use custom glyphs ranges, make sure the array is persistent** and available during the calls to `GetTexDataAsAlpha8()/GetTexDataAsRGBA32()/Build()`.
##### [Return to Index](#index)
## About Filenames
**Please note that many new C/C++ users have issues loading their files _because the filename they provide is wrong_ due to incorrect assumption of what is the current directory.**
Two things to watch for:
(1) In C/C++ and most programming languages if you want to use a backslash `\` within a string literal, you need to write it double backslash `\\`. At it happens, Windows uses backslashes as a path separator, so be mindful.
```cpp
io.Fonts->AddFontFromFileTTF("MyFiles\MyImage01.jpg", ...); // This is INCORRECT!!
io.Fonts->AddFontFromFileTTF("MyFiles\\MyImage01.jpg", ...); // This is CORRECT
```
In some situations, you may also use `/` path separator under Windows.
(2) Make sure your IDE/debugger settings starts your executable from the right working (current) directory. In Visual Studio you can change your working directory in project `Properties > General > Debugging > Working Directory`. People assume that their execution will start from the root folder of the project, where by default it often starts from the folder where object or executable files are stored.
```cpp
io.Fonts->AddFontFromFileTTF("MyImage01.jpg", ...); // Relative filename depends on your Working Directory when running your program!
io.Fonts->AddFontFromFileTTF("../MyImage01.jpg", ...); // Load from the parent folder of your Working Directory
```
##### [Return to Index](#index)
## About UTF-8 Encoding
**For non-ASCII characters display, a common user issue is not passing correctly UTF-8 encoded strings.**
(1) We provide a function `ImGui::DebugTextEncoding(const char* text)` which you can call to verify the content of your UTF-8 strings.
This is a convenient way to confirm that your encoding is correct.
```cpp
ImGui::SeparatorText("CORRECT");
ImGui::DebugTextEncoding(u8"こんにちは");
ImGui::SeparatorText("INCORRECT");
ImGui::DebugTextEncoding("こんにちは");
```
![UTF-8 Encoding viewer](https://github.com/ocornut/imgui/assets/8225057/61c1696a-9a94-46c5-9627-cf91211111f0)
You can also find this tool under `Metrics/Debuggers->Tools->UTF-8 Encoding viewer` if you want to paste from clipboard, but this won't validate the UTF-8 encoding done by your compiler.
(2) To encode in UTF-8:
There are also compiler-specific ways to enforce UTF-8 encoding by default:
- Visual Studio compiler: `/utf-8` command-line flag.
- Visual Studio compiler: `#pragma execution_character_set("utf-8")` inside your code.
- Since May 2023 we have changed the Visual Studio projects of all our examples to use `/utf-8` ([see commit](https://github.com/ocornut/imgui/commit/513af1efc9080857bbd10000d98f98f2a0c96803)).
Or, since C++11, you can use the `u8"my text"` syntax to encode literal strings as UTF-8. e.g.:
```cpp
ImGui::Text(u8"hello");
ImGui::Text(u8"こんにちは"); // this will always be encoded as UTF-8
ImGui::Text("こんにちは"); // the encoding of this is depending on compiler settings/flags and may be incorrect.
```
Since C++20, because the C++ committee hate its users, they decided to change the `u8""` syntax to not return `const char*` but a new type `const char_t*` which doesn't cast to `const char*`.
Because of type usage of `u8""` in C++20 is a little more tedious:
```cpp
ImGui::Text((const char*)u8"こんにちは");
```
We suggest using a macro in your codebase:
```cpp
#define U8(_S) (const char*)u8##_S
ImGui::Text(U8("こんにちは"));
```
##### [Return to Index](#index)
## Debug Tools
#### Metrics/Debugger->Fonts
You can use the `Metrics/Debugger` window (available in `Demo>Tools`) to browse your fonts and understand what's going on if you have an issue. You can also reach it in `Demo->Tools->Style Editor->Fonts`. The same information are also available in the Style Editor under Fonts.
![Fonts debugging](https://user-images.githubusercontent.com/8225057/135429892-0e41ef8d-33c5-4991-bcf6-f997a0bcfd6b.png)
#### UTF-8 Encoding Viewer**
You can use the `UTF-8 Encoding viewer` in `Metrics/Debugger` to verify the content of your UTF-8 strings. From C/C++ code, you can call `ImGui::DebugTextEncoding("my string");` function to verify that your UTF-8 encoding is correct.
![UTF-8 Encoding viewer](https://user-images.githubusercontent.com/8225057/166505963-8a0d7899-8ee8-4558-abb2-1ae523dc02f9.png)
See [About Filenames](#about-filenames). AddFontXXX functions should assert if the filename is incorrect.
### (2) Invalid UTF-8 encoding of your non-ASCII strings.
See [About UTF-8 Encoding](#about-utf-8-encoding). Use the encoding viewer to confirm encoding of string literal in your source code is correct.
### (3) Missing glyph ranges.
You need to load a font with explicit glyph ranges if you want to use non-ASCII characters. See [Fonts Loading Instructions](#fonts-loading-instructions). Use [Debug Tools](#debug-tools) confirm loaded fonts and loaded glyph ranges.
This is a current constraint of Dear ImGui (which we will lift in the future): when loading a font you need to specify which characters glyphs to load.
All loaded fonts glyphs are rendered into a single texture atlas ahead of time. Calling either of `io.Fonts->GetTexDataAsAlpha8()`, `io.Fonts->GetTexDataAsRGBA32()` or `io.Fonts->Build()` will build the atlas. This is generally called by the Renderer backend, e.g. `ImGui_ImplDX11_NewFrame()` calls it. **If you use custom glyphs ranges, make sure the array is persistent** and available during the calls to `GetTexDataAsAlpha8()/GetTexDataAsRGBA32()/Build()`.
### (4) Font atlas texture fails to upload to GPU.
This is often of byproduct of point 3. If you have large number of glyphs or multiple fonts, the texture may become too big for your graphics API. **The typical result of failing to upload a texture is if every glyph or everything appears as empty black or white rectangle.** Mind the fact that some graphics drivers have texture size limitation. If you are building a PC application, mind the fact that your users may use hardware with lower limitations than yours.
Some solutions:
- You may reduce oversampling, e.g. `font_config.OversampleH = 1`, this will half your texture size for a quality looss.
Note that while OversampleH = 2 looks visibly very close to 3 in most situations, with OversampleH = 1 the quality drop will be noticeable. Read about oversampling [here](https://github.com/nothings/stb/blob/master/tests/oversample).
- Reduce glyphs ranges by calculating them from source localization data.
You can use the `ImFontGlyphRangesBuilder` for this purpose and rebuilding your atlas between frames when new characters are needed. This will be the biggest win!
- Set `io.Fonts.Flags |= ImFontAtlasFlags_NoPowerOfTwoHeight;` to disable rounding the texture height to the next power of two.
- Set `io.Fonts.TexDesiredWidth` to specify a texture width to reduce maximum texture height (see comment in `ImFontAtlas::Build()` function).
##### [Return to Index](#index)
---------------------------------------
## How should I handle DPI in my application?
@ -130,6 +70,7 @@ See [FAQ entry](https://github.com/ocornut/imgui/blob/master/docs/FAQ.md#q-how-s
##### [Return to Index](#index)
---------------------------------------
## Fonts Loading Instructions
@ -144,7 +85,7 @@ io.Fonts->AddFontDefault();
ImGuiIO& io = ImGui::GetIO();
io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels);
```
If you get an assert stating "Could not load font file!", your font filename is likely incorrect. Read "[About filenames](#about-filenames)" carefully.
If you get an assert stating "Could not load font file!", your font filename is likely incorrect. Read [About filenames](#about-filenames) carefully.
**Load multiple fonts:**
```cpp
@ -153,8 +94,9 @@ ImGuiIO& io = ImGui::GetIO();
ImFont* font1 = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels);
ImFont* font2 = io.Fonts->AddFontFromFileTTF("anotherfont.otf", size_pixels);
```
In your application loop, select which font to use:
```cpp
// In application loop: select font at runtime
ImGui::Text("Hello"); // use the default font (which is the first loaded font)
ImGui::PushFont(font2);
ImGui::Text("Hello with another font");
@ -200,7 +142,6 @@ io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, nullptr, io.Fonts->GetGlyp
```
See [Using Custom Glyph Ranges](#using-custom-glyph-ranges) section to create your own ranges.
**Example loading and using a Japanese font:**
```cpp
@ -220,24 +161,50 @@ ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
![sample code output](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v160/code_sample_02_jp.png)
<br>_(settings: Dark style (left), Light style (right) / Font: NotoSansCJKjp-Medium, 20px / Rounding: 5)_
**Font Atlas too large?**
##### [Return to Index](#index)
- If you have very large number of glyphs or multiple fonts, the texture may become too big for your graphics API. The typical result of failing to upload a texture is if every glyph appears as a white rectangle.
- Mind the fact that some graphics drivers have texture size limitation. If you are building a PC application, mind the fact that your users may use hardware with lower limitations than yours.
---------------------------------------
Some solutions:
## Loading Font Data from Memory
1. Reduce glyphs ranges by calculating them from source localization data.
You can use the `ImFontGlyphRangesBuilder` for this purpose and rebuilding your atlas between frames when new characters are needed. This will be the biggest win!
2. You may reduce oversampling, e.g. `font_config.OversampleH = 2`, this will largely reduce your texture size.
Note that while OversampleH = 2 looks visibly very close to 3 in most situations, with OversampleH = 1 the quality drop will be noticeable.
3. Set `io.Fonts.TexDesiredWidth` to specify a texture width to minimize texture height (see comment in `ImFontAtlas::Build()` function).
4. Set `io.Fonts.Flags |= ImFontAtlasFlags_NoPowerOfTwoHeight;` to disable rounding the texture height to the next power of two.
5. Read about oversampling [here](https://github.com/nothings/stb/blob/master/tests/oversample).
6. To support the extended range of unicode beyond 0xFFFF (e.g. emoticons, dingbats, symbols, shapes, ancient languages, etc...) add `#define IMGUI_USE_WCHAR32`in your `imconfig.h`.
```cpp
ImFont* font = io.Fonts->AddFontFromMemoryTTF(data, data_size, size_pixels, ...);
```
IMPORTANT: `AddFontFromMemoryTTF()` by default transfer ownership of the data buffer to the font atlas, which will attempt to free it on destruction.
This was to avoid an unnecessary copy, and is perhaps not a good API (a future version will redesign it).
If you want to keep ownership of the data and free it yourself, you need to clear the `FontDataOwnedByAtlas` field:
```cpp
ImFontConfig font_cfg;
font_cfg.FontDataOwnedByAtlas = false;
ImFont* font = io.Fonts->AddFontFromMemoryTTF(data, data_size, size_pixels, &font_cfg);
```
##### [Return to Index](#index)
---------------------------------------
## Loading Font Data Embedded In Source Code
- Compile and use [binary_to_compressed_c.cpp](https://github.com/ocornut/imgui/blob/master/misc/fonts/binary_to_compressed_c.cpp) to create a compressed C style array that you can embed in source code.
- See the documentation in [binary_to_compressed_c.cpp](https://github.com/ocornut/imgui/blob/master/misc/fonts/binary_to_compressed_c.cpp) for instructions on how to use the tool.
- You may find a precompiled version binary_to_compressed_c.exe for Windows inside the demo binaries package (see [README](https://github.com/ocornut/imgui/blob/master/docs/README.md)).
- The tool can optionally output Base85 encoding to reduce the size of _source code_ but the read-only arrays in the actual binary will be about 20% bigger.
Then load the font with:
```cpp
ImFont* font = io.Fonts->AddFontFromMemoryCompressedTTF(compressed_data, compressed_data_size, size_pixels, ...);
```
or
```cpp
ImFont* font = io.Fonts->AddFontFromMemoryCompressedBase85TTF(compressed_data_base85, size_pixels, ...);
```
##### [Return to Index](#index)
---------------------------------------
## Using Icon Fonts
Using an icon font (such as [FontAwesome](http://fontawesome.io) or [OpenFontIcons](https://github.com/traverseda/OpenFontIcons)) is an easy and practical way to use icons in your Dear ImGui application.
@ -270,11 +237,19 @@ ImGui::Button(ICON_FA_SEARCH " Search");
```
See Links below for other icons fonts and related tools.
**Monospace Icons?**
To make your icon look more monospace and facilitate alignment, you may want to set the ImFontConfig::GlyphMinAdvanceX value when loading an icon font.
**Screenshot**
Here's an application using icons ("Avoyd", https://www.avoyd.com):
![avoyd](https://user-images.githubusercontent.com/8225057/81696852-c15d9e80-9464-11ea-9cab-2a4d4fc84396.jpg)
##### [Return to Index](#index)
---------------------------------------
## Using FreeType Rasterizer (imgui_freetype)
- Dear ImGui uses imstb\_truetype.h to rasterize fonts (with optional oversampling). This technique and its implementation are not ideal for fonts rendered at small sizes, which may appear a little blurry or hard to read.
@ -285,9 +260,11 @@ Here's an application using icons ("Avoyd", https://www.avoyd.com):
##### [Return to Index](#index)
---------------------------------------
## Using Colorful Glyphs/Emojis
- Rendering of colored emojis is only supported by imgui_freetype with FreeType 2.10+.
- Rendering of colored emojis is supported by imgui_freetype with FreeType 2.10+.
- You will need to load fonts with the `ImGuiFreeTypeBuilderFlags_LoadColor` flag.
- Emojis are frequently encoded in upper Unicode layers (character codes >0x10000) and will need dear imgui compiled with `IMGUI_USE_WCHAR32`.
- Not all types of color fonts are supported by FreeType at the moment.
@ -307,6 +284,8 @@ io.Fonts->AddFontFromFileTTF("C:\\Windows\\Fonts\\seguiemj.ttf", 16.0f, &cfg, ra
##### [Return to Index](#index)
---------------------------------------
## Using Custom Glyph Ranges
You can use the `ImFontGlyphRangesBuilder` helper to create glyph ranges based on text input. For example: for a game where your script is known, if you can feed your entire script to it and only build the characters the game needs.
@ -324,6 +303,8 @@ io.Fonts->Build(); // Build the atlas while
##### [Return to Index](#index)
---------------------------------------
## Using Custom Colorful Icons
As an alternative to rendering colorful glyphs using imgui_freetype with `ImGuiFreeTypeBuilderFlags_LoadColor`, you may allocate your own space in the texture atlas and write yourself into it. **(This is a BETA api, use if you are familiar with dear imgui and with your rendering backend)**
@ -366,24 +347,89 @@ for (int rect_n = 0; rect_n < IM_ARRAYSIZE(rect_ids); rect_n++)
##### [Return to Index](#index)
## Using Font Data Embedded In Source Code
---------------------------------------
- Compile and use [binary_to_compressed_c.cpp](https://github.com/ocornut/imgui/blob/master/misc/fonts/binary_to_compressed_c.cpp) to create a compressed C style array that you can embed in source code.
- See the documentation in [binary_to_compressed_c.cpp](https://github.com/ocornut/imgui/blob/master/misc/fonts/binary_to_compressed_c.cpp) for instructions on how to use the tool.
- You may find a precompiled version binary_to_compressed_c.exe for Windows inside the demo binaries package (see [README](https://github.com/ocornut/imgui/blob/master/docs/README.md)).
- The tool can optionally output Base85 encoding to reduce the size of _source code_ but the read-only arrays in the actual binary will be about 20% bigger.
## About Filenames
Then load the font with:
**Please note that many new C/C++ users have issues loading their files _because the filename they provide is wrong_ due to incorrect assumption of what is the current directory.**
Two things to watch for:
(1) In C/C++ and most programming languages if you want to use a backslash `\` within a string literal, you need to write it double backslash `\\`. At it happens, Windows uses backslashes as a path separator, so be mindful.
```cpp
ImFont* font = io.Fonts->AddFontFromMemoryCompressedTTF(compressed_data, compressed_data_size, size_pixels, ...);
io.Fonts->AddFontFromFileTTF("MyFiles\MyImage01.jpg", ...); // This is INCORRECT!!
io.Fonts->AddFontFromFileTTF("MyFiles\\MyImage01.jpg", ...); // This is CORRECT
```
or
In some situations, you may also use `/` path separator under Windows.
(2) Make sure your IDE/debugger settings starts your executable from the right working (current) directory. In Visual Studio you can change your working directory in project `Properties > General > Debugging > Working Directory`. People assume that their execution will start from the root folder of the project, where by default it often starts from the folder where object or executable files are stored.
```cpp
ImFont* font = io.Fonts->AddFontFromMemoryCompressedBase85TTF(compressed_data_base85, size_pixels, ...);
io.Fonts->AddFontFromFileTTF("MyImage01.jpg", ...); // Relative filename depends on your Working Directory when running your program!
io.Fonts->AddFontFromFileTTF("../MyImage01.jpg", ...); // Load from the parent folder of your Working Directory
```
##### [Return to Index](#index)
---------------------------------------
## About UTF-8 Encoding
**For non-ASCII characters display, a common user issue is not passing correctly UTF-8 encoded strings.**
(1) We provide a function `ImGui::DebugTextEncoding(const char* text)` which you can call to verify the content of your UTF-8 strings.
This is a convenient way to confirm that your encoding is correct.
```cpp
ImGui::SeparatorText("CORRECT");
ImGui::DebugTextEncoding(u8"こんにちは");
ImGui::SeparatorText("INCORRECT");
ImGui::DebugTextEncoding("こんにちは");
```
![UTF-8 Encoding viewer](https://github.com/ocornut/imgui/assets/8225057/61c1696a-9a94-46c5-9627-cf91211111f0)
You can also find this tool under `Metrics/Debuggers->Tools->UTF-8 Encoding viewer` if you want to paste from clipboard, but this won't validate the UTF-8 encoding done by your compiler.
(2) To encode in UTF-8:
There are also compiler-specific ways to enforce UTF-8 encoding by default:
- Visual Studio compiler: `/utf-8` command-line flag.
- Visual Studio compiler: `#pragma execution_character_set("utf-8")` inside your code.
- Since May 2023 we have changed the Visual Studio projects of all our examples to use `/utf-8` ([see commit](https://github.com/ocornut/imgui/commit/513af1efc9080857bbd10000d98f98f2a0c96803)).
Or, since C++11, you can use the `u8"my text"` syntax to encode literal strings as UTF-8. e.g.:
```cpp
ImGui::Text(u8"hello");
ImGui::Text(u8"こんにちは"); // this will always be encoded as UTF-8
ImGui::Text("こんにちは"); // the encoding of this is depending on compiler settings/flags and may be incorrect.
```
Since C++20, because the C++ committee hate its users, they decided to change the `u8""` syntax to not return `const char*` but a new type `const char8_t*` which doesn't cast to `const char*`.
Because of type usage of `u8""` in C++20 is a little more tedious:
```cpp
ImGui::Text((const char*)u8"こんにちは");
```
However, you can disable this behavior completely using the compiler option [`/Zc:char8_t-`](https://learn.microsoft.com/en-us/cpp/build/reference/zc-char8-t?view=msvc-170) for MSVC and [`-fno-char8_t`](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1423r3.html) for Clang and GCC.
##### [Return to Index](#index)
---------------------------------------
## Debug Tools
#### Metrics/Debugger->Fonts
You can use the `Metrics/Debugger` window (available in `Demo>Tools`) to browse your fonts and understand what's going on if you have an issue. You can also reach it in `Demo->Tools->Style Editor->Fonts`. The same information are also available in the Style Editor under Fonts.
![Fonts debugging](https://user-images.githubusercontent.com/8225057/135429892-0e41ef8d-33c5-4991-bcf6-f997a0bcfd6b.png)
#### UTF-8 Encoding Viewer**
You can use the `UTF-8 Encoding viewer` in `Metrics/Debugger` to verify the content of your UTF-8 strings. From C/C++ code, you can call `ImGui::DebugTextEncoding("my string");` function to verify that your UTF-8 encoding is correct.
![UTF-8 Encoding viewer](https://user-images.githubusercontent.com/8225057/166505963-8a0d7899-8ee8-4558-abb2-1ae523dc02f9.png)
##### [Return to Index](#index)
---------------------------------------
## Credits/Licenses For Fonts Included In Repository
Some fonts files are available in the `misc/fonts/` folder:
@ -436,7 +482,7 @@ Some fonts files are available in the `misc/fonts/` folder:
#### MONOSPACE FONTS
Pixel Perfect:
- Proggy Fonts, by Tristan Grimmer http://www.proggyfonts.net or http://upperbounds.net
- Proggy Fonts, by Tristan Grimmer http://www.proggyfonts.net or http://upperboundsinteractive.com/fonts.php
- Sweet16, Sweet16 Mono, by Martin Sedlak (Latin + Supplemental + Extended A) https://github.com/kmar/Sweet16Font (also include an .inl file to use directly in dear imgui.)
Regular:

36
docs/README.md
View File

@ -27,7 +27,7 @@ Dear ImGui is designed to **enable fast iterations** and to **empower programmer
Dear ImGui is particularly suited to integration in game engines (for tooling), real-time 3D applications, fullscreen applications, embedded applications, or any applications on console platforms where operating system features are non-standard.
- Minimize state synchronization.
- Minimize state storage on user side.
- Minimize UI-related state storage on user side.
- Minimize setup and maintenance.
- Easy to use to create dynamic UI which are the reflection of a dynamic data set.
- Easy to use to create code-driven and data-driven tools.
@ -39,9 +39,11 @@ Dear ImGui is particularly suited to integration in game engines (for tooling),
### Usage
**The core of Dear ImGui is self-contained within a few platform-agnostic files** which you can easily compile in your application/engine. They are all the files in the root folder of the repository (imgui*.cpp, imgui*.h). **No specific build process is required**. You can add the .cpp files into your existing project. See [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started).
**The core of Dear ImGui is self-contained within a few platform-agnostic files** which you can easily compile in your application/engine. They are all the files in the root folder of the repository (imgui*.cpp, imgui*.h). **No specific build process is required**. You can add the .cpp files into your existing project.
**Backends for a variety of graphics API and rendering platforms** are provided in the [backends/](https://github.com/ocornut/imgui/tree/master/backends) folder, along with example applications in the [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder. See the [Integration](#integration) section of this document for details. You may also create your own backend. Anywhere where you can render textured triangles, you can render Dear ImGui.
**Backends for a variety of graphics API and rendering platforms** are provided in the [backends/](https://github.com/ocornut/imgui/tree/master/backends) folder, along with example applications in the [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder. You may also create your own backend. Anywhere where you can render textured triangles, you can render Dear ImGui.
See the [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started) guide and [Integration](#integration) section of this document for more details.
After Dear ImGui is set up in your application, you can use it from \_anywhere\_ in your program loop:
```cpp
@ -108,15 +110,17 @@ Reading the changelogs is a good way to keep up to date with the things Dear ImG
Calling the `ImGui::ShowDemoWindow()` function will create a demo window showcasing a variety of features and examples. The code is always available for reference in `imgui_demo.cpp`. [Here's how the demo looks](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v167/v167-misc.png).
You should be able to build the examples from sources. If you don't, let us know! If you want to have a quick look at some Dear ImGui features, you can download Windows binaries of the demo app here:
- [imgui-demo-binaries-20230704.zip](https://www.dearimgui.com/binaries/imgui-demo-binaries-20230704.zip) (Windows, 1.89.7, built 2023/07/04, master) or [older binaries](https://www.dearimgui.com/binaries).
- [imgui-demo-binaries-20240105.zip](https://www.dearimgui.com/binaries/imgui-demo-binaries-20240105.zip) (Windows, 1.90.1 WIP, built 2024/01/05, master) or [older binaries](https://www.dearimgui.com/binaries).
The demo applications are not DPI aware so expect some blurriness on a 4K screen. For DPI awareness in your application, you can load/reload your font at a different scale and scale your style with `style.ScaleAllSizes()` (see [FAQ](https://www.dearimgui.com/faq)).
### Integration
See the [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started) guide for details.
On most platforms and when using C++, **you should be able to use a combination of the [imgui_impl_xxxx](https://github.com/ocornut/imgui/tree/master/backends) backends without modification** (e.g. `imgui_impl_win32.cpp` + `imgui_impl_dx11.cpp`). If your engine supports multiple platforms, consider using more imgui_impl_xxxx files instead of rewriting them: this will be less work for you, and you can get Dear ImGui running immediately. You can _later_ decide to rewrite a custom backend using your custom engine functions if you wish so.
See [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started). Integrating Dear ImGui within your custom engine is a matter of 1) wiring mouse/keyboard/gamepad inputs 2) uploading a texture to your GPU/render engine 3) providing a render function that can bind textures and render textured triangles, which is essentially what Backends are doing. The [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder is populated with applications doing just that: setting up a window and using backends. If you follow [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started) it should in theory takes you less than an hour to integrate Dear ImGui. **Make sure to spend time reading the [FAQ](https://www.dearimgui.com/faq), comments, and the examples applications!**
Integrating Dear ImGui within your custom engine is a matter of 1) wiring mouse/keyboard/gamepad inputs 2) uploading a texture to your GPU/render engine 3) providing a render function that can bind textures and render textured triangles, which is essentially what Backends are doing. The [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder is populated with applications doing just that: setting up a window and using backends. If you follow the [Getting Started](https://github.com/ocornut/imgui/wiki/Getting-Started) guide it should in theory takes you less than an hour to integrate Dear ImGui. **Make sure to spend time reading the [FAQ](https://www.dearimgui.com/faq), comments, and the examples applications!**
Officially maintained backends/bindings (in repository):
- Renderers: DirectX9, DirectX10, DirectX11, DirectX12, Metal, OpenGL/ES/ES2, SDL_Renderer, Vulkan, WebGPU.
@ -124,18 +128,18 @@ Officially maintained backends/bindings (in repository):
- Frameworks: Allegro5, Emscripten.
[Third-party backends/bindings](https://github.com/ocornut/imgui/wiki/Bindings) wiki page:
- Languages: C, C# and: Beef, ChaiScript, Crystal, D, Go, Haskell, Haxe/hxcpp, Java, JavaScript, Julia, Kotlin, Lobster, Lua, Odin, Pascal, PureBasic, Python, Ruby, Rust, Swift...
- Frameworks: AGS/Adventure Game Studio, Amethyst, Blender, bsf, Cinder, Cocos2d-x, Diligent Engine, Flexium, GML/Game Maker Studio2, GLEQ, Godot, GTK3+OpenGL3, Irrlicht Engine, LÖVE+LUA, Magnum, Monogame, NanoRT, nCine, Nim Game Lib, Nintendo 3DS & Switch (homebrew), Ogre, openFrameworks, OSG/OpenSceneGraph, Orx, Photoshop, px_render, Qt/QtDirect3D, SDL_Renderer, SFML, Sokol, Unity, Unreal Engine 4, vtk, VulkanHpp, VulkanSceneGraph, Win32 GDI, WxWidgets.
- Languages: C, C# and: Beef, ChaiScript, CovScript, Crystal, D, Go, Haskell, Haxe/hxcpp, Java, JavaScript, Julia, Kotlin, Lobster, Lua, Nim, Odin, Pascal, PureBasic, Python, ReaScript, Ruby, Rust, Swift, Zig...
- Frameworks: AGS/Adventure Game Studio, Amethyst, Blender, bsf, Cinder, Cocos2d-x, Defold, Diligent Engine, Ebiten, Flexium, GML/Game Maker Studio, GLEQ, Godot, GTK3, Irrlicht Engine, JUCE, LÖVE+LUA, Mach Engine, Magnum, Marmalade, Monogame, NanoRT, nCine, Nim Game Lib, Nintendo 3DS/Switch/WiiU (homebrew), Ogre, openFrameworks, OSG/OpenSceneGraph, Orx, Photoshop, px_render, Qt/QtDirect3D, raylib, SFML, Sokol, Unity, Unreal Engine 4/5, UWP, vtk, VulkanHpp, VulkanSceneGraph, Win32 GDI, WxWidgets.
- Many bindings are auto-generated (by good old [cimgui](https://github.com/cimgui/cimgui) or newer/experimental [dear_bindings](https://github.com/dearimgui/dear_bindings)), you can use their metadata output to generate bindings for other languages.
[Useful Extensions/Widgets](https://github.com/ocornut/imgui/wiki/Useful-Extensions) wiki page:
- Automation/testing, Text editors, node editors, timeline editors, plotting, software renderers, remote network access, memory editors, gizmos, etc. One of the most notable and well supported extension is [ImPlot](https://github.com/epezent/implot).
- Automation/testing, Text editors, node editors, timeline editors, plotting, software renderers, remote network access, memory editors, gizmos, etc. Notable and well supported extensions include [ImPlot](https://github.com/epezent/implot) and [Dear ImGui Test Engine](https://github.com/ocornut/imgui_test_engine).
Also see [Wiki](https://github.com/ocornut/imgui/wiki) for more links and ideas.
### Gallery
For more user-submitted screenshots of projects using Dear ImGui, check out the [Gallery Threads](https://github.com/ocornut/imgui/issues/6478)!
For more user-submitted screenshots of projects using Dear ImGui, check out the [Gallery Threads](https://github.com/ocornut/imgui/issues/6897)!
For a list of third-party widgets and extensions, check out the [Useful Extensions/Widgets](https://github.com/ocornut/imgui/wiki/Useful-Extensions) wiki page.
@ -156,7 +160,7 @@ See: [Upcoming Changes](https://github.com/ocornut/imgui/wiki/Upcoming-Changes).
See: [Dear ImGui Test Engine + Test Suite](https://github.com/ocornut/imgui_test_engine) for Automation & Testing.
Getting started? For first-time users having issues compiling/linking/running or issues loading fonts, please use [GitHub Discussions](https://github.com/ocornut/imgui/discussions). For other questions, bug reports, requests, feedback, you may post on [GitHub Issues](https://github.com/ocornut/imgui/issues). Please read and fill the New Issue template carefully.
Getting started? For first-time users having issues compiling/linking/running or issues loading fonts, please use [GitHub Discussions](https://github.com/ocornut/imgui/discussions). For ANY other questions, bug reports, requests, feedback, please post on [GitHub Issues](https://github.com/ocornut/imgui/issues). Please read and fill the New Issue template carefully.
Private support is available for paying business customers (E-mail: _contact @ dearimgui dot com_).
@ -166,17 +170,17 @@ We occasionally tag [Releases](https://github.com/ocornut/imgui/releases) (with
**Who uses Dear ImGui?**
See the [Quotes](https://github.com/ocornut/imgui/wiki/Quotes), [Sponsors](https://github.com/ocornut/imgui/wiki/Sponsors), and [Software using Dear ImGui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) Wiki pages for an idea of who is using Dear ImGui. Please add your game/software if you can! Also, see the [Gallery Threads](https://github.com/ocornut/imgui/issues/6478)!
See the [Quotes](https://github.com/ocornut/imgui/wiki/Quotes), [Sponsors](https://github.com/ocornut/imgui/wiki/Sponsors), and [Software using Dear ImGui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) Wiki pages for an idea of who is using Dear ImGui. Please add your game/software if you can! Also, see the [Gallery Threads](https://github.com/ocornut/imgui/issues/6897)!
How to help
-----------
**How can I help?**
- See [GitHub Forum/Issues](https://github.com/ocornut/imgui/issues) and [GitHub Discussions](https://github.com/ocornut/imgui/discussions).
- See [GitHub Forum/Issues](https://github.com/ocornut/imgui/issues).
- You may help with development and submit pull requests! Please understand that by submitting a PR you are also submitting a request for the maintainer to review your code and then take over its maintenance forever. PR should be crafted both in the interest of the end-users and also to ease the maintainer into understanding and accepting it.
- See [Help wanted](https://github.com/ocornut/imgui/wiki/Help-Wanted) on the [Wiki](https://github.com/ocornut/imgui/wiki/) for some more ideas.
- Have your company financially support this project with invoiced sponsoring/support contracts or by buying a license for [Dear ImGui Test Engine](https://github.com/ocornut/imgui_test_engine) (please reach out: contact at dearimgui dot com).
- Be a [sponsor](https://github.com/ocornut/imgui/wiki/Sponsors)! Have your company financially support this project via invoiced sponsors/maintenance or by buying a license for [Dear ImGui Test Engine](https://github.com/ocornut/imgui_test_engine) (please reach out: omar AT dearimgui DOT com).
Sponsors
--------
@ -197,13 +201,13 @@ Credits
Developed by [Omar Cornut](https://www.miracleworld.net) and every direct or indirect [contributors](https://github.com/ocornut/imgui/graphs/contributors) to the GitHub. The early version of this library was developed with the support of [Media Molecule](https://www.mediamolecule.com) and first used internally on the game [Tearaway](https://tearaway.mediamolecule.com) (PS Vita).
Recurring contributors (2022): Omar Cornut [@ocornut](https://github.com/ocornut), Rokas Kupstys [@rokups](https://github.com/rokups) (a good portion of work on automation system and regression tests now available in [Dear ImGui Test Engine](https://github.com/ocornut/imgui_test_engine)).
Recurring contributors include Rokas Kupstys [@rokups](https://github.com/rokups) (2020-2022): a good portion of work on automation system and regression tests now available in [Dear ImGui Test Engine](https://github.com/ocornut/imgui_test_engine).
Sponsoring, support contracts and other B2B transactions are hosted and handled by [Disco Hello](https://www.discohello.com).
Sponsoring, maintenance/support contracts and other B2B transactions are hosted and handled by [Disco Hello](https://www.discohello.com).
Omar: "I first discovered the IMGUI paradigm at [Q-Games](https://www.q-games.com) where Atman Binstock had dropped his own simple implementation in the codebase, which I spent quite some time improving and thinking about. It turned out that Atman was exposed to the concept directly by working with Casey. When I moved to Media Molecule I rewrote a new library trying to overcome the flaws and limitations of the first one I've worked with. It became this library and since then I have spent an unreasonable amount of time iterating and improving it."
Embeds [ProggyClean.ttf](http://upperbounds.net) font by Tristan Grimmer (MIT license).
Embeds [ProggyClean.ttf](https://www.proggyfonts.net) font by Tristan Grimmer (MIT license).
<br>Embeds [stb_textedit.h, stb_truetype.h, stb_rect_pack.h](https://github.com/nothings/stb/) by Sean Barrett (public domain).
Inspiration, feedback, and testing for early versions: Casey Muratori, Atman Binstock, Mikko Mononen, Emmanuel Briney, Stefan Kamoda, Anton Mikhailov, Matt Willis. Also thank you to everyone posting feedback, questions and patches on GitHub.

3
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@ -126,7 +126,7 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
- separator: expose flags (#759)
- separator: take indent into consideration (optional)
- separator: width, thickness, centering (#1643)
- separator: width, thickness, centering (#1643, #2657)
- splitter: formalize the splitter idiom into an official api (we want to handle n-way split) (#319)
- docking: merge docking branch (#2109)
@ -187,7 +187,6 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
- tree node / selectable render mismatch which is visible if you use them both next to each other (e.g. cf. property viewer)
- tree node: tweak color scheme to distinguish headers from selected tree node (#581)
- tree node: leaf/non-leaf highlight mismatch.
- tree node: flag to disable formatting and/or detect "%s"
- tree node/opt: could avoid formatting when clipped (flag assuming we don't care about width/height, assume single line height? format only %s/%c to be able to count height?)
- settings: write more decent code to allow saving/loading new fields: columns, selected tree nodes?