rework mime types, support pasting file lists, SIP when dropping single files

src/chat_gui/send_image_popup.cpp

@@ -6,6 +6,9 @@
 #include "../image_loader_qoi.hpp"
 #include "../image_loader_sdl_image.hpp"
 
+#include <filesystem>
+#include <solanaceae/file/file2_std.hpp>
+
 #include <imgui/imgui.h>
 
 // fwd
@@ -163,7 +166,51 @@ void SendImagePopup::sendMemory(
 
 	_on_send = std::move(on_send);
 	_on_cancel = std::move(on_cancel);
+}
 
+bool SendImagePopup::sendFilePath( // file2 instead?
+	std::string_view file_path,
+	std::function<void(const std::vector<uint8_t>&, std::string_view)>&& on_send,
+	std::function<void(void)>&& on_cancel
+) {
+	original_raw = false;
+	if (file_path.empty() || !std::filesystem::exists(file_path)) {
+		return false; // error
+	}
+
+	std::filesystem::path path_o{file_path};
+
+	const auto file_size = std::filesystem::file_size(path_o);
+	if (file_size <= 0 || file_size > 100*1024*1024) { // limit to 100mib for now
+		return false; // error
+	}
+
+	File2RFile file2{file_path};
+	if (!file2.isGood() || !file2.can_read) {
+		std::cerr << "filed to read file '" << file_path << "'\n";
+	}
+
+	{ // copy paste data to memory
+		// inefficent
+		const auto data = file2.read(file_size, 0);
+		original_data = {data.ptr, data.ptr+data.size};
+	}
+
+	if (path_o.has_extension()) {
+		original_file_ext = path_o.extension().u8string();
+	}
+
+	if (!load()) {
+		std::cerr << "SIP: failed to load image from file '" << file_path << "'\n";
+		reset();
+		return false;
+	}
+
+	_open_popup = true;
+
+	_on_send = std::move(on_send);
+	_on_cancel = std::move(on_cancel);
+	return true;
 }
 
 void SendImagePopup::render(float time_delta) {

src/chat_gui/send_image_popup.hpp

@@ -68,7 +68,12 @@ struct SendImagePopup {
 			std::function<void(void)>&& on_cancel
 		);
 		// from memory_raw
-		// from file_path
+
+		bool sendFilePath( // file2 instead?
+			std::string_view file_path,
+			std::function<void(const std::vector<uint8_t>&, std::string_view)>&& on_send,
+			std::function<void(void)>&& on_cancel
+		);
 
 		// call this each frame
 		void render(float time_delta);

src/chat_gui4.cpp

@@ -784,12 +784,14 @@ float ChatGui4::render(float time_delta) {
 						//const auto* mime_type = clipboardHasImage();
 						//ImGui::BeginDisabled(mime_type == nullptr);
 						if (ImGui::Button("paste\nfile", {-FLT_MIN, 0})) {
-							const auto* mime_type = clipboardHasImage();
-							if (mime_type != nullptr) { // making sure
-								pasteFile(mime_type);
+							if (const auto* imt = clipboardHasImage(); imt != nullptr) { // making sure
+								pasteFile(imt);
+							} else if (const auto* fpmt = clipboardHasFileList(); fpmt != nullptr) {
+								pasteFile(fpmt);
 							}
 						//} else if (ImGui::IsItemClicked(ImGuiMouseButton_Right)) {
 						} else if (ImGui::BeginPopupContextItem(nullptr, ImGuiMouseButton_Right)) {
+							// TODO: use list instead
 							const static std::vector<const char*> image_mime_types {
 								// add apng?
 								"image/png",
@@ -833,7 +835,7 @@ float ChatGui4::render(float time_delta) {
 	return 1000.f; // TODO: higher min fps?
 }
 
-void ChatGui4::sendFilePath(const char* file_path) {
+void ChatGui4::sendFilePath(std::string_view file_path) {
 	const auto path = std::filesystem::path(file_path);
 	if (_selected_contact && std::filesystem::is_regular_file(path)) {
 		_rmm.sendFilePath(*_selected_contact, path.filename().generic_u8string(), path.generic_u8string());
@@ -1338,11 +1340,14 @@ bool ChatGui4::renderContactListContactSmall(const Contact3 c, const bool select
 }
 
 void ChatGui4::pasteFile(const char* mime_type) {
+	if (!_selected_contact.has_value()) {
+		return;
+	}
+
+	if (mimeIsImage(mime_type)) {
 		size_t data_size = 0;
 		void* data = SDL_GetClipboardData(mime_type, &data_size);
 
-	// if image
-
 		std::cout << "CG: pasted image of size " << data_size << " mime " << mime_type << "\n";
 
 		_sip.sendMemory(
@@ -1377,5 +1382,121 @@ void ChatGui4::pasteFile(const char* mime_type) {
 			[](){}
 		);
 		SDL_free(data); // free data
+	} else if (mimeIsFileList(mime_type)) {
+		size_t data_size = 0;
+		void* data = SDL_GetClipboardData(mime_type, &data_size);
+
+		std::cout << "CG: pasted file list of size " << data_size << " mime " << mime_type << "\n";
+
+		std::vector<std::string_view> list;
+		if (mime_type == std::string_view{"text/uri-list"}) {
+			// lines starting with # are comments
+			// every line is a link
+			// line sep is CRLF
+			std::string_view list_body{reinterpret_cast<const char*>(data), data_size};
+			size_t start {0};
+			bool comment {false};
+			for (size_t i = 0; i < data_size; i++) {
+				if (list_body[i] == '\r' || list_body[i] == '\n') {
+					if (!comment && i - start > 0) {
+						list.push_back(list_body.substr(start, i - start));
+					}
+					start = i+1;
+					comment = false;
+				} else if (i == start && list_body[i] == '#') {
+					comment = true;
+				}
+			}
+			if (!comment && start+1 < data_size) {
+				list.push_back(list_body.substr(start));
+			}
+		} else if (mime_type == std::string_view{"text/x-moz-url"}) {
+			assert(false && "implement me");
+			// every link line is followed by link-title line (for the prev link)
+			// line sep unclear ("text/*" should always be CRLF, but its not explicitly specified)
+			// (does not matter, we can account for both)
+		}
+
+		// TODO: remove debug log
+		std::cout << "preprocessing:\n";
+		for (const auto it : list) {
+			std::cout << "  >" << it << "\n";
+		}
+
+		// now we need to potentially convert file uris to file paths
+
+		for (auto it = list.begin(); it != list.end();) {
+			constexpr auto size_of_file_uri_prefix = std::string_view{"file://"}.size();
+			if (it->size() > size_of_file_uri_prefix && it->substr(0, size_of_file_uri_prefix) == std::string_view{"file://"}) {
+				it->remove_prefix(size_of_file_uri_prefix);
+			}
+
+			std::filesystem::path path(*it);
+			if (!std::filesystem::is_regular_file(path)) {
+				it = list.erase(it);
+			} else {
+				it++;
+			}
+		}
+
+		std::cout << "postprocessing:\n";
+		for (const auto it : list) {
+			std::cout << "  >" << it << "\n";
+		}
+
+		sendFileList(list);
+
+		SDL_free(data); // free data
+	}
+}
+
+void ChatGui4::sendFileList(const std::vector<std::string_view>& list) {
+	// TODO: file collection sip
+	if (list.size() > 1) {
+		for (const auto it : list) {
+			sendFilePath(it);
+		}
+	} else if (list.size() == 1) {
+		const auto path = std::filesystem::path(list.front());
+		if (std::filesystem::is_regular_file(path)) {
+			if (!_sip.sendFilePath(
+				list.front(),
+				[this](const auto& img_data, const auto file_ext) {
+					// create file name
+					// TODO: only create file if changed or from memory
+					// TODO: move this into sip
+					std::ostringstream tmp_file_name {"tomato_Image_", std::ios_base::ate};
+					{
+						const auto now = std::chrono::system_clock::now();
+						const auto ctime = std::chrono::system_clock::to_time_t(now);
+						tmp_file_name
+							<< std::put_time(std::localtime(&ctime), "%F_%H-%M-%S")
+							<< "."
+							<< std::setfill('0') << std::setw(3)
+							<< std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch() - std::chrono::duration_cast<std::chrono::seconds>(now.time_since_epoch())).count()
+							<< file_ext
+						;
+					}
+
+					std::cout << "tmp image path " << tmp_file_name.str() << "\n";
+
+					const std::filesystem::path tmp_send_file_path = "tmp_send_files";
+					std::filesystem::create_directories(tmp_send_file_path);
+					const auto tmp_file_path = tmp_send_file_path / tmp_file_name.str();
+
+					std::ofstream(tmp_file_path, std::ios_base::out | std::ios_base::binary)
+						.write(reinterpret_cast<const char*>(img_data.data()), img_data.size());
+
+					_rmm.sendFilePath(*_selected_contact, tmp_file_name.str(), tmp_file_path.generic_u8string());
+				},
+				[](){}
+			)) {
+				// if sip fails to open the file
+				sendFilePath(list.front());
+			}
+		} else {
+			// if not file (???)
+		}
+	}
 }
 

src/chat_gui4.hpp

@@ -73,7 +73,8 @@ class ChatGui4 {
 		float render(float time_delta);
 
 	public:
-		void sendFilePath(const char* file_path);
+		void sendFilePath(std::string_view file_path);
+		void sendFileList(const std::vector<std::string_view>& list);
 
 	private:
 		void renderMessageBodyText(Message3Registry& reg, const Message3 e);

src/main_screen.cpp

@@ -11,6 +11,7 @@
 
 #include <memory>
 #include <cmath>
+#include <string_view>
 
 MainScreen::MainScreen(SimpleConfigModel&& conf_, SDL_Renderer* renderer_, Theme& theme_, std::string save_path, std::string save_password, std::string new_username, std::vector<std::string> plugins) :
 	renderer(renderer_),
@@ -143,10 +144,11 @@ MainScreen::~MainScreen(void) {
 bool MainScreen::handleEvent(SDL_Event& e) {
 	if (e.type == SDL_EVENT_DROP_FILE) {
 		std::cout << "DROP FILE: " << e.drop.data << "\n";
-		cg.sendFilePath(e.drop.data);
+		_dopped_files.emplace_back(e.drop.data);
+		//cg.sendFilePath(e.drop.data);
 		_render_interval = 1.f/60.f; // TODO: magic
 		_time_since_event = 0.f;
-		return true; // TODO: forward return succ from sendFilePath()
+		return true;
 	}
 
 	if (
@@ -482,6 +484,17 @@ Screen* MainScreen::tick(float time_delta, bool& quit) {
 
 	mts.iterate(); // compute (after mfs)
 
+	if (!_dopped_files.empty()) {
+		std::vector<std::string_view> tmp_view;
+		for (const std::string& it : _dopped_files) {
+			tmp_view.push_back(std::string_view{it});
+		}
+
+		cg.sendFileList(tmp_view);
+
+		_dopped_files.clear();
+	}
+
 	_min_tick_interval = std::min<float>(
 		// HACK: pow by 1.6 to increase 50 -> ~500 (~522)
 		// and it does not change 1

src/main_screen.hpp

@@ -100,6 +100,8 @@ struct MainScreen final : public Screen {
 	uint64_t _window_hidden_ts {0};
 	float _time_since_event {0.f};
 
+	std::vector<std::string> _dopped_files;
+
 	MainScreen(SimpleConfigModel&& conf_, SDL_Renderer* renderer_, Theme& theme_, std::string save_path, std::string save_password, std::string new_username, std::vector<std::string> plugins);
 	~MainScreen(void);
 

src/sdl_clipboard_utils.cpp

@@ -2,22 +2,67 @@
 
 #include <SDL3/SDL.h>
 
+#include <string_view>
 #include <vector>
+#include <algorithm>
 
-const char* clipboardHasImage(void) {
-	const static std::vector<const char*> image_mime_types {
-		"image/png",
-		"image/webp",
-		"image/gif",
-		"image/jpeg",
-		"image/bmp",
-	};
-
-	for (const char* mime_type : image_mime_types) {
-		if (SDL_HasClipboardData(mime_type) == SDL_TRUE) {
-			return mime_type;
+static const char* clipboardHas(const std::vector<std::string_view>& filter_mime_types) {
+	for (const auto& mime_type : filter_mime_types) {
+		// ASSERTS that stringview is null terminated
+		if (SDL_HasClipboardData(mime_type.data()) == SDL_TRUE) {
+			return mime_type.data();
 		}
 	}
 
 	return nullptr;
 }
+
+const static std::vector<std::string_view> image_mime_types {
+	"image/svg+xml",
+	"image/jxl",
+	"image/avif",
+	"image/apng",
+	"image/webp",
+	"image/png",
+	"image/gif",
+	"image/jpeg",
+	"image/qoi",
+	"image/bmp",
+	// tiff?
+};
+
+const static std::vector<std::string_view> file_list_mime_types {
+	"text/uri-list",
+	"text/x-moz-url",
+};
+
+const char* clipboardHasImage(void) {
+	return clipboardHas(image_mime_types);
+}
+
+const char* clipboardHasFileList(void) {
+	return clipboardHas(file_list_mime_types);
+}
+
+bool mimeIsImage(const char* mime_type) {
+	if (mime_type == nullptr) {
+		return false;
+	}
+
+	std::string_view mt_sv {mime_type};
+	auto it = std::find(image_mime_types.cbegin(), image_mime_types.cend(), mime_type);
+
+	return it != image_mime_types.cend();
+}
+
+bool mimeIsFileList(const char* mime_type) {
+	if (mime_type == nullptr) {
+		return false;
+	}
+
+	std::string_view mt_sv {mime_type};
+	auto it = std::find(file_list_mime_types.cbegin(), file_list_mime_types.cend(), mime_type);
+
+	return it != image_mime_types.cend();
+}
+

src/sdl_clipboard_utils.hpp

@@ -3,4 +3,10 @@
 // returns the mimetype (c-string) of the image in the clipboard
 // or nullptr, if there is none
 const char* clipboardHasImage(void);
+const char* clipboardHasFileList(void);
+
+bool mimeIsImage(const char* mime_type);
+bool mimeIsFileList(const char* mime_type);
+
+// TODO: add is file