add imgui stylign window + change how texture filters are applied

src/main.cpp

@@ -55,8 +55,12 @@ int main(int argc, char** argv) {
 	IMGUI_CHECKVERSION();
 	ImGui::CreateContext();
 
-	//ImGui::StyleColorsDark();
-	setThemeGreen();
+	if (SDL_GetSystemTheme() == SDL_SYSTEM_THEME_LIGHT) {
+		ImGui::StyleColorsLight();
+	} else {
+		//ImGui::StyleColorsDark();
+		setThemeGreen();
+	}
 
 	{
 		ImGui::GetIO().Fonts->ClearFonts();

src/main_screen.cpp

@@ -191,6 +191,12 @@ Screen* MainScreen::render(float time_delta, bool&) {
 
 					ImGui::EndMenu();
 				}
+				if (ImGui::BeginMenu("Settings")) {
+					if (ImGui::MenuItem("ImGui Style Editor")) {
+						_show_tool_style_editor = true;
+					}
+					ImGui::EndMenu();
+				}
 				ImGui::EndMenuBar();
 			}
 
@@ -198,6 +204,12 @@ Screen* MainScreen::render(float time_delta, bool&) {
 		ImGui::End();
 	}
 
+	if (_show_tool_style_editor) {
+		if (ImGui::Begin("Dear ImGui Style Editor", &_show_tool_style_editor)) {
+			ImGui::ShowStyleEditor();
+		}
+		ImGui::End();
+	}
 
 	if constexpr (false) {
 		ImGui::ShowDemoWindow();

src/main_screen.hpp

@@ -64,6 +64,8 @@ struct MainScreen final : public Screen {
 	ToxUIUtils tuiu;
 	ToxDHTCapHisto tdch;
 
+	bool _show_tool_style_editor {false};
+
 	bool _window_hidden {false};
 	bool _window_hidden_ts {0};
 	float _time_since_event {0.f};

src/sdlrenderer_texture_uploader.cpp

@@ -17,16 +17,15 @@ uint64_t SDLRendererTextureUploader::uploadRGBA(const uint8_t* data, uint32_t wi
 	);
 	assert(surf); // TODO: add error reporting
 
-	// TODO: this touches global state, reset?
-	if (filter == NEAREST) {
-		SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest");
-	} else if (filter == LINEAR) {
-		SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
-	}
-
 	SDL_Texture* tex = SDL_CreateTextureFromSurface(renderer, surf);
 	assert(tex); // TODO: add error reporting
 
+	if (filter == NEAREST) {
+		SDL_SetTextureScaleMode(tex, SDL_SCALEMODE_NEAREST);
+	} else if (filter == LINEAR) {
+		SDL_SetTextureScaleMode(tex, SDL_SCALEMODE_LINEAR);
+	}
+
 	SDL_DestroySurface(surf);
 
 	return reinterpret_cast<uint64_t>(tex);

src/settings_window.cpp

@@ -116,7 +116,6 @@ void SettingsWindow::render(void) {
 				}
 				ImGui::EndMenuBar();
 			}
-
 		}
 		ImGui::End();
 	}