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Diffstat (limited to 'vendor/rlImGui-main/rlImGui.cpp')
| -rw-r--r-- | vendor/rlImGui-main/rlImGui.cpp | 795 |
1 files changed, 0 insertions, 795 deletions
diff --git a/vendor/rlImGui-main/rlImGui.cpp b/vendor/rlImGui-main/rlImGui.cpp deleted file mode 100644 index 0f59ae7..0000000 --- a/vendor/rlImGui-main/rlImGui.cpp +++ /dev/null @@ -1,795 +0,0 @@ -/********************************************************************************************** - * - * raylibExtras * Utilities and Shared Components for Raylib - * - * rlImGui * basic ImGui integration - * - * LICENSE: ZLIB - * - * Copyright (c) 2024 Jeffery Myers - * - * Permission is hereby granted, free of charge, to any person obtaining a - *copy of this software and associated documentation files (the "Software"), to - *deal in the Software without restriction, including without limitation the - *rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - *sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - *all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - *FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - *IN THE SOFTWARE. - * - **********************************************************************************************/ -#include "rlImGui.h" - -#include "imgui_impl_raylib.h" - -#include "raylib.h" -#include "rlgl.h" - -#include <cstdint> -#include <limits> -#include <map> -#include <math.h> - -#ifndef NO_FONT_AWESOME -#include "extras/FA6FreeSolidFontData.h" -#endif - -static ImGuiMouseCursor CurrentMouseCursor = ImGuiMouseCursor_COUNT; -static MouseCursor MouseCursorMap[ImGuiMouseCursor_COUNT]; - -ImGuiContext *GlobalContext = nullptr; - -static std::map<KeyboardKey, ImGuiKey> RaylibKeyMap; - -static bool LastFrameFocused = false; - -static bool LastControlPressed = false; -static bool LastShiftPressed = false; -static bool LastAltPressed = false; -static bool LastSuperPressed = false; - -// internal only functions -bool rlImGuiIsControlDown() { - return IsKeyDown(KEY_RIGHT_CONTROL) || IsKeyDown(KEY_LEFT_CONTROL); -} -bool rlImGuiIsShiftDown() { - return IsKeyDown(KEY_RIGHT_SHIFT) || IsKeyDown(KEY_LEFT_SHIFT); -} -bool rlImGuiIsAltDown() { - return IsKeyDown(KEY_RIGHT_ALT) || IsKeyDown(KEY_LEFT_ALT); -} -bool rlImGuiIsSuperDown() { - return IsKeyDown(KEY_RIGHT_SUPER) || IsKeyDown(KEY_LEFT_SUPER); -} - -void ReloadFonts(void) { - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels = nullptr; - - int width; - int height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height, nullptr); - Image image = GenImageColor(width, height, BLANK); - memcpy(image.data, pixels, width * height * 4); - - Texture2D *fontTexture = (Texture2D *)io.Fonts->TexID; - if (fontTexture && fontTexture->id != 0) { - UnloadTexture(*fontTexture); - MemFree(fontTexture); - } - - fontTexture = (Texture2D *)MemAlloc(sizeof(Texture2D)); - *fontTexture = LoadTextureFromImage(image); - UnloadImage(image); - io.Fonts->TexID = fontTexture; -} - -static const char *GetClipTextCallback(ImGuiContext *) { - return GetClipboardText(); -} - -static void SetClipTextCallback(ImGuiContext *, const char *text) { - SetClipboardText(text); -} - -static void ImGuiNewFrame(float deltaTime) { - ImGuiIO &io = ImGui::GetIO(); - - Vector2 resolutionScale = GetWindowScaleDPI(); - -#ifndef PLATFORM_DRM - if (IsWindowFullscreen()) { - int monitor = GetCurrentMonitor(); - io.DisplaySize.x = float(GetMonitorWidth(monitor)); - io.DisplaySize.y = float(GetMonitorHeight(monitor)); - } else { - io.DisplaySize.x = float(GetScreenWidth()); - io.DisplaySize.y = float(GetScreenHeight()); - } - -#if !defined(__APPLE__) - if (!IsWindowState(FLAG_WINDOW_HIGHDPI)) - resolutionScale = Vector2{1, 1}; -#endif -#else - io.DisplaySize.x = float(GetScreenWidth()); - io.DisplaySize.y = float(GetScreenHeight()); -#endif - - io.DisplayFramebufferScale = ImVec2(resolutionScale.x, resolutionScale.y); - - io.DeltaTime = deltaTime; - - if (io.WantSetMousePos) { - SetMousePosition((int)io.MousePos.x, (int)io.MousePos.y); - } else { - io.AddMousePosEvent((float)GetMouseX(), (float)GetMouseY()); - } - - auto setMouseEvent = [&io](int rayMouse, int imGuiMouse) { - if (IsMouseButtonPressed(rayMouse)) - io.AddMouseButtonEvent(imGuiMouse, true); - else if (IsMouseButtonReleased(rayMouse)) - io.AddMouseButtonEvent(imGuiMouse, false); - }; - - setMouseEvent(MOUSE_BUTTON_LEFT, ImGuiMouseButton_Left); - setMouseEvent(MOUSE_BUTTON_RIGHT, ImGuiMouseButton_Right); - setMouseEvent(MOUSE_BUTTON_MIDDLE, ImGuiMouseButton_Middle); - setMouseEvent(MOUSE_BUTTON_FORWARD, ImGuiMouseButton_Middle + 1); - setMouseEvent(MOUSE_BUTTON_BACK, ImGuiMouseButton_Middle + 2); - - { - Vector2 mouseWheel = GetMouseWheelMoveV(); - io.AddMouseWheelEvent(mouseWheel.x, mouseWheel.y); - } - - if (ImGui::GetIO().BackendFlags & ImGuiBackendFlags_HasMouseCursors) { - if ((io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) == 0) { - ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor(); - if (imgui_cursor != CurrentMouseCursor || io.MouseDrawCursor) { - CurrentMouseCursor = imgui_cursor; - if (io.MouseDrawCursor || - imgui_cursor == ImGuiMouseCursor_None) { - HideCursor(); - } else { - ShowCursor(); - - if (!(io.ConfigFlags & - ImGuiConfigFlags_NoMouseCursorChange)) { - SetMouseCursor((imgui_cursor > -1 && - imgui_cursor < ImGuiMouseCursor_COUNT) - ? MouseCursorMap[imgui_cursor] - : MOUSE_CURSOR_DEFAULT); - } - } - } - } - } -} - -static void ImGuiTriangleVert(ImDrawVert &idx_vert) { - Color *c; - c = (Color *)&idx_vert.col; - rlColor4ub(c->r, c->g, c->b, c->a); - rlTexCoord2f(idx_vert.uv.x, idx_vert.uv.y); - rlVertex2f(idx_vert.pos.x, idx_vert.pos.y); -} - -static void ImGuiRenderTriangles(unsigned int count, int indexStart, - const ImVector<ImDrawIdx> &indexBuffer, - const ImVector<ImDrawVert> &vertBuffer, - void *texturePtr) { - if (count < 3) - return; - - Texture *texture = (Texture *)texturePtr; - - unsigned int textureId = (texture == nullptr) ? 0 : texture->id; - - rlBegin(RL_TRIANGLES); - rlSetTexture(textureId); - - for (unsigned int i = 0; i <= (count - 3); i += 3) { - ImDrawIdx indexA = indexBuffer[indexStart + i]; - ImDrawIdx indexB = indexBuffer[indexStart + i + 1]; - ImDrawIdx indexC = indexBuffer[indexStart + i + 2]; - - ImDrawVert vertexA = vertBuffer[indexA]; - ImDrawVert vertexB = vertBuffer[indexB]; - ImDrawVert vertexC = vertBuffer[indexC]; - - ImGuiTriangleVert(vertexA); - ImGuiTriangleVert(vertexB); - ImGuiTriangleVert(vertexC); - } - rlEnd(); -} - -static void EnableScissor(float x, float y, float width, float height) { - rlEnableScissorTest(); - ImGuiIO &io = ImGui::GetIO(); - - ImVec2 scale = io.DisplayFramebufferScale; -#if !defined(__APPLE__) - if (!IsWindowState(FLAG_WINDOW_HIGHDPI)) { - scale.x = 1; - scale.y = 1; - } -#endif - - rlScissor((int)(x * scale.x), - int((io.DisplaySize.y - (int)(y + height)) * scale.y), - (int)(width * scale.x), (int)(height * scale.y)); -} - -static void SetupMouseCursors(void) { - MouseCursorMap[ImGuiMouseCursor_Arrow] = MOUSE_CURSOR_ARROW; - MouseCursorMap[ImGuiMouseCursor_TextInput] = MOUSE_CURSOR_IBEAM; - MouseCursorMap[ImGuiMouseCursor_Hand] = MOUSE_CURSOR_POINTING_HAND; - MouseCursorMap[ImGuiMouseCursor_ResizeAll] = MOUSE_CURSOR_RESIZE_ALL; - MouseCursorMap[ImGuiMouseCursor_ResizeEW] = MOUSE_CURSOR_RESIZE_EW; - MouseCursorMap[ImGuiMouseCursor_ResizeNESW] = MOUSE_CURSOR_RESIZE_NESW; - MouseCursorMap[ImGuiMouseCursor_ResizeNS] = MOUSE_CURSOR_RESIZE_NS; - MouseCursorMap[ImGuiMouseCursor_ResizeNWSE] = MOUSE_CURSOR_RESIZE_NWSE; - MouseCursorMap[ImGuiMouseCursor_NotAllowed] = MOUSE_CURSOR_NOT_ALLOWED; -} - -void SetupFontAwesome(void) { -#ifndef NO_FONT_AWESOME - static const ImWchar icons_ranges[] = {ICON_MIN_FA, ICON_MAX_FA, 0}; - ImFontConfig icons_config; - icons_config.MergeMode = true; - icons_config.PixelSnapH = true; - icons_config.FontDataOwnedByAtlas = false; - - icons_config.GlyphMaxAdvanceX = std::numeric_limits<float>::max(); - icons_config.RasterizerMultiply = 1.0f; - icons_config.OversampleH = 2; - icons_config.OversampleV = 1; - - icons_config.GlyphRanges = icons_ranges; - - ImGuiIO &io = ImGui::GetIO(); - - io.Fonts->AddFontFromMemoryCompressedTTF( - (void *)fa_solid_900_compressed_data, fa_solid_900_compressed_size, - FONT_AWESOME_ICON_SIZE, &icons_config, icons_ranges); -#endif -} - -void SetupBackend(void) { - ImGuiIO &io = ImGui::GetIO(); - io.BackendPlatformName = "imgui_impl_raylib"; - io.BackendFlags |= - ImGuiBackendFlags_HasGamepad | ImGuiBackendFlags_HasSetMousePos; - -#ifndef PLATFORM_DRM - io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; -#endif - - io.MousePos = ImVec2(0, 0); - - ImGuiPlatformIO &platformIO = ImGui::GetPlatformIO(); - - // platformIO.Platform_SetClipboardTextFn = SetClipTextCallback; - // platformIO.Platform_GetClipboardTextFn = GetClipTextCallback; - // - // platformIO.Platform_ClipboardUserData = nullptr; -} - -void rlImGuiEndInitImGui(void) { - ImGui::SetCurrentContext(GlobalContext); - - SetupFontAwesome(); - - SetupMouseCursors(); - - SetupBackend(); - - ReloadFonts(); -} - -static void SetupKeymap(void) { - if (!RaylibKeyMap.empty()) - return; - - // build up a map of raylib keys to ImGuiKeys - RaylibKeyMap[KEY_APOSTROPHE] = ImGuiKey_Apostrophe; - RaylibKeyMap[KEY_COMMA] = ImGuiKey_Comma; - RaylibKeyMap[KEY_MINUS] = ImGuiKey_Minus; - RaylibKeyMap[KEY_PERIOD] = ImGuiKey_Period; - RaylibKeyMap[KEY_SLASH] = ImGuiKey_Slash; - RaylibKeyMap[KEY_ZERO] = ImGuiKey_0; - RaylibKeyMap[KEY_ONE] = ImGuiKey_1; - RaylibKeyMap[KEY_TWO] = ImGuiKey_2; - RaylibKeyMap[KEY_THREE] = ImGuiKey_3; - RaylibKeyMap[KEY_FOUR] = ImGuiKey_4; - RaylibKeyMap[KEY_FIVE] = ImGuiKey_5; - RaylibKeyMap[KEY_SIX] = ImGuiKey_6; - RaylibKeyMap[KEY_SEVEN] = ImGuiKey_7; - RaylibKeyMap[KEY_EIGHT] = ImGuiKey_8; - RaylibKeyMap[KEY_NINE] = ImGuiKey_9; - RaylibKeyMap[KEY_SEMICOLON] = ImGuiKey_Semicolon; - RaylibKeyMap[KEY_EQUAL] = ImGuiKey_Equal; - RaylibKeyMap[KEY_A] = ImGuiKey_A; - RaylibKeyMap[KEY_B] = ImGuiKey_B; - RaylibKeyMap[KEY_C] = ImGuiKey_C; - RaylibKeyMap[KEY_D] = ImGuiKey_D; - RaylibKeyMap[KEY_E] = ImGuiKey_E; - RaylibKeyMap[KEY_F] = ImGuiKey_F; - RaylibKeyMap[KEY_G] = ImGuiKey_G; - RaylibKeyMap[KEY_H] = ImGuiKey_H; - RaylibKeyMap[KEY_I] = ImGuiKey_I; - RaylibKeyMap[KEY_J] = ImGuiKey_J; - RaylibKeyMap[KEY_K] = ImGuiKey_K; - RaylibKeyMap[KEY_L] = ImGuiKey_L; - RaylibKeyMap[KEY_M] = ImGuiKey_M; - RaylibKeyMap[KEY_N] = ImGuiKey_N; - RaylibKeyMap[KEY_O] = ImGuiKey_O; - RaylibKeyMap[KEY_P] = ImGuiKey_P; - RaylibKeyMap[KEY_Q] = ImGuiKey_Q; - RaylibKeyMap[KEY_R] = ImGuiKey_R; - RaylibKeyMap[KEY_S] = ImGuiKey_S; - RaylibKeyMap[KEY_T] = ImGuiKey_T; - RaylibKeyMap[KEY_U] = ImGuiKey_U; - RaylibKeyMap[KEY_V] = ImGuiKey_V; - RaylibKeyMap[KEY_W] = ImGuiKey_W; - RaylibKeyMap[KEY_X] = ImGuiKey_X; - RaylibKeyMap[KEY_Y] = ImGuiKey_Y; - RaylibKeyMap[KEY_Z] = ImGuiKey_Z; - RaylibKeyMap[KEY_SPACE] = ImGuiKey_Space; - RaylibKeyMap[KEY_ESCAPE] = ImGuiKey_Escape; - RaylibKeyMap[KEY_ENTER] = ImGuiKey_Enter; - RaylibKeyMap[KEY_TAB] = ImGuiKey_Tab; - RaylibKeyMap[KEY_BACKSPACE] = ImGuiKey_Backspace; - RaylibKeyMap[KEY_INSERT] = ImGuiKey_Insert; - RaylibKeyMap[KEY_DELETE] = ImGuiKey_Delete; - RaylibKeyMap[KEY_RIGHT] = ImGuiKey_RightArrow; - RaylibKeyMap[KEY_LEFT] = ImGuiKey_LeftArrow; - RaylibKeyMap[KEY_DOWN] = ImGuiKey_DownArrow; - RaylibKeyMap[KEY_UP] = ImGuiKey_UpArrow; - RaylibKeyMap[KEY_PAGE_UP] = ImGuiKey_PageUp; - RaylibKeyMap[KEY_PAGE_DOWN] = ImGuiKey_PageDown; - RaylibKeyMap[KEY_HOME] = ImGuiKey_Home; - RaylibKeyMap[KEY_END] = ImGuiKey_End; - RaylibKeyMap[KEY_CAPS_LOCK] = ImGuiKey_CapsLock; - RaylibKeyMap[KEY_SCROLL_LOCK] = ImGuiKey_ScrollLock; - RaylibKeyMap[KEY_NUM_LOCK] = ImGuiKey_NumLock; - RaylibKeyMap[KEY_PRINT_SCREEN] = ImGuiKey_PrintScreen; - RaylibKeyMap[KEY_PAUSE] = ImGuiKey_Pause; - RaylibKeyMap[KEY_F1] = ImGuiKey_F1; - RaylibKeyMap[KEY_F2] = ImGuiKey_F2; - RaylibKeyMap[KEY_F3] = ImGuiKey_F3; - RaylibKeyMap[KEY_F4] = ImGuiKey_F4; - RaylibKeyMap[KEY_F5] = ImGuiKey_F5; - RaylibKeyMap[KEY_F6] = ImGuiKey_F6; - RaylibKeyMap[KEY_F7] = ImGuiKey_F7; - RaylibKeyMap[KEY_F8] = ImGuiKey_F8; - RaylibKeyMap[KEY_F9] = ImGuiKey_F9; - RaylibKeyMap[KEY_F10] = ImGuiKey_F10; - RaylibKeyMap[KEY_F11] = ImGuiKey_F11; - RaylibKeyMap[KEY_F12] = ImGuiKey_F12; - RaylibKeyMap[KEY_LEFT_SHIFT] = ImGuiKey_LeftShift; - RaylibKeyMap[KEY_LEFT_CONTROL] = ImGuiKey_LeftCtrl; - RaylibKeyMap[KEY_LEFT_ALT] = ImGuiKey_LeftAlt; - RaylibKeyMap[KEY_LEFT_SUPER] = ImGuiKey_LeftSuper; - RaylibKeyMap[KEY_RIGHT_SHIFT] = ImGuiKey_RightShift; - RaylibKeyMap[KEY_RIGHT_CONTROL] = ImGuiKey_RightCtrl; - RaylibKeyMap[KEY_RIGHT_ALT] = ImGuiKey_RightAlt; - RaylibKeyMap[KEY_RIGHT_SUPER] = ImGuiKey_RightSuper; - RaylibKeyMap[KEY_KB_MENU] = ImGuiKey_Menu; - RaylibKeyMap[KEY_LEFT_BRACKET] = ImGuiKey_LeftBracket; - RaylibKeyMap[KEY_BACKSLASH] = ImGuiKey_Backslash; - RaylibKeyMap[KEY_RIGHT_BRACKET] = ImGuiKey_RightBracket; - RaylibKeyMap[KEY_GRAVE] = ImGuiKey_GraveAccent; - RaylibKeyMap[KEY_KP_0] = ImGuiKey_Keypad0; - RaylibKeyMap[KEY_KP_1] = ImGuiKey_Keypad1; - RaylibKeyMap[KEY_KP_2] = ImGuiKey_Keypad2; - RaylibKeyMap[KEY_KP_3] = ImGuiKey_Keypad3; - RaylibKeyMap[KEY_KP_4] = ImGuiKey_Keypad4; - RaylibKeyMap[KEY_KP_5] = ImGuiKey_Keypad5; - RaylibKeyMap[KEY_KP_6] = ImGuiKey_Keypad6; - RaylibKeyMap[KEY_KP_7] = ImGuiKey_Keypad7; - RaylibKeyMap[KEY_KP_8] = ImGuiKey_Keypad8; - RaylibKeyMap[KEY_KP_9] = ImGuiKey_Keypad9; - RaylibKeyMap[KEY_KP_DECIMAL] = ImGuiKey_KeypadDecimal; - RaylibKeyMap[KEY_KP_DIVIDE] = ImGuiKey_KeypadDivide; - RaylibKeyMap[KEY_KP_MULTIPLY] = ImGuiKey_KeypadMultiply; - RaylibKeyMap[KEY_KP_SUBTRACT] = ImGuiKey_KeypadSubtract; - RaylibKeyMap[KEY_KP_ADD] = ImGuiKey_KeypadAdd; - RaylibKeyMap[KEY_KP_ENTER] = ImGuiKey_KeypadEnter; - RaylibKeyMap[KEY_KP_EQUAL] = ImGuiKey_KeypadEqual; -} - -static void SetupGlobals(void) { - LastFrameFocused = IsWindowFocused(); - LastControlPressed = false; - LastShiftPressed = false; - LastAltPressed = false; - LastSuperPressed = false; -} - -void rlImGuiBeginInitImGui(void) { - SetupGlobals(); - if (GlobalContext == nullptr) - GlobalContext = ImGui::CreateContext(nullptr); - SetupKeymap(); - - ImGuiIO &io = ImGui::GetIO(); - io.Fonts->AddFontDefault(); -} - -void rlImGuiSetup(bool dark) { - rlImGuiBeginInitImGui(); - - if (dark) - ImGui::StyleColorsDark(); - else - ImGui::StyleColorsLight(); - - rlImGuiEndInitImGui(); -} - -void rlImGuiReloadFonts(void) { - ImGui::SetCurrentContext(GlobalContext); - - ReloadFonts(); -} - -void rlImGuiBegin(void) { - ImGui::SetCurrentContext(GlobalContext); - rlImGuiBeginDelta(GetFrameTime()); -} - -void rlImGuiBeginDelta(float deltaTime) { - ImGui::SetCurrentContext(GlobalContext); - ImGuiNewFrame(deltaTime); - ImGui_ImplRaylib_ProcessEvents(); - ImGui::NewFrame(); -} - -void rlImGuiEnd(void) { - ImGui::SetCurrentContext(GlobalContext); - ImGui::Render(); - ImGui_ImplRaylib_RenderDrawData(ImGui::GetDrawData()); -} - -void rlImGuiShutdown(void) { - if (GlobalContext == nullptr) - return; - - ImGui::SetCurrentContext(GlobalContext); - ImGui_ImplRaylib_Shutdown(); - - ImGui::DestroyContext(GlobalContext); - GlobalContext = nullptr; -} - -void rlImGuiImage(const Texture *image) { - if (!image) - return; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - ImGui::Image((ImTextureID)image, - ImVec2(float(image->width), float(image->height))); -} - -bool rlImGuiImageButton(const char *name, const Texture *image) { - if (!image) - return false; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - return ImGui::ImageButton( - name, (ImTextureID)image, - ImVec2(float(image->width), float(image->height))); -} - -bool rlImGuiImageButtonSize(const char *name, const Texture *image, - ImVec2 size) { - if (!image) - return false; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - return ImGui::ImageButton(name, (ImTextureID)image, size); -} - -void rlImGuiImageSize(const Texture *image, int width, int height) { - if (!image) - return; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - ImGui::Image((ImTextureID)image, ImVec2(float(width), float(height))); -} - -void rlImGuiImageSizeV(const Texture *image, Vector2 size) { - if (!image) - return; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - ImGui::Image((ImTextureID)image, ImVec2(size.x, size.y)); -} - -void rlImGuiImageRect(const Texture *image, int destWidth, int destHeight, - Rectangle sourceRect) { - if (!image) - return; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - ImVec2 uv0; - ImVec2 uv1; - - if (sourceRect.width < 0) { - uv0.x = -((float)sourceRect.x / image->width); - uv1.x = (uv0.x - (float)(fabs(sourceRect.width) / image->width)); - } else { - uv0.x = (float)sourceRect.x / image->width; - uv1.x = uv0.x + (float)(sourceRect.width / image->width); - } - - if (sourceRect.height < 0) { - uv0.y = -((float)sourceRect.y / image->height); - uv1.y = (uv0.y - (float)(fabs(sourceRect.height) / image->height)); - } else { - uv0.y = (float)sourceRect.y / image->height; - uv1.y = uv0.y + (float)(sourceRect.height / image->height); - } - - ImGui::Image((ImTextureID)image, - ImVec2(float(destWidth), float(destHeight)), uv0, uv1); -} - -void rlImGuiImageRenderTexture(const RenderTexture *image) { - if (!image) - return; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - rlImGuiImageRect(&image->texture, image->texture.width, - image->texture.height, - Rectangle{0, 0, float(image->texture.width), - -float(image->texture.height)}); -} - -void rlImGuiImageRenderTextureFit(const RenderTexture *image, bool center) { - if (!image) - return; - - if (GlobalContext) - ImGui::SetCurrentContext(GlobalContext); - - ImVec2 area = ImGui::GetContentRegionAvail(); - - float scale = area.x / image->texture.width; - - float y = image->texture.height * scale; - if (y > area.y) { - scale = area.y / image->texture.height; - } - - int sizeX = int(image->texture.width * scale); - int sizeY = int(image->texture.height * scale); - - if (center) { - ImGui::SetCursorPosX(0); - ImGui::SetCursorPosX(area.x / 2 - sizeX / 2); - ImGui::SetCursorPosY(ImGui::GetCursorPosY() + (area.y / 2 - sizeY / 2)); - } - - rlImGuiImageRect(&image->texture, sizeX, sizeY, - Rectangle{0, 0, float(image->texture.width), - -float(image->texture.height)}); -} - -// raw ImGui backend API -bool ImGui_ImplRaylib_Init(void) { - SetupGlobals(); - - SetupKeymap(); - - SetupMouseCursors(); - - SetupBackend(); - - return true; -} - -void Imgui_ImplRaylib_BuildFontAtlas(void) { ReloadFonts(); } - -void ImGui_ImplRaylib_Shutdown() { - ImGuiIO &io = ImGui::GetIO(); - Texture2D *fontTexture = (Texture2D *)io.Fonts->TexID; - - if (fontTexture) { - UnloadTexture(*fontTexture); - MemFree(fontTexture); - } - - io.Fonts->TexID = 0; -} - -void ImGui_ImplRaylib_NewFrame(void) { ImGuiNewFrame(GetFrameTime()); } - -void ImGui_ImplRaylib_RenderDrawData(ImDrawData *draw_data) { - rlDrawRenderBatchActive(); - rlDisableBackfaceCulling(); - - for (int l = 0; l < draw_data->CmdListsCount; ++l) { - const ImDrawList *commandList = draw_data->CmdLists[l]; - - for (const auto &cmd : commandList->CmdBuffer) { - EnableScissor( - cmd.ClipRect.x - draw_data->DisplayPos.x, - cmd.ClipRect.y - draw_data->DisplayPos.y, - cmd.ClipRect.z - (cmd.ClipRect.x - draw_data->DisplayPos.x), - cmd.ClipRect.w - (cmd.ClipRect.y - draw_data->DisplayPos.y)); - if (cmd.UserCallback != nullptr) { - cmd.UserCallback(commandList, &cmd); - - continue; - } - - ImGuiRenderTriangles(cmd.ElemCount, cmd.IdxOffset, - commandList->IdxBuffer, commandList->VtxBuffer, - cmd.TextureId); - rlDrawRenderBatchActive(); - } - } - - rlSetTexture(0); - rlDisableScissorTest(); - rlEnableBackfaceCulling(); -} - -void HandleGamepadButtonEvent(ImGuiIO &io, GamepadButton button, ImGuiKey key) { - if (IsGamepadButtonPressed(0, button)) - io.AddKeyEvent(key, true); - else if (IsGamepadButtonReleased(0, button)) - io.AddKeyEvent(key, false); -} - -void HandleGamepadStickEvent(ImGuiIO &io, GamepadAxis axis, ImGuiKey negKey, - ImGuiKey posKey) { - constexpr float deadZone = 0.20f; - - float axisValue = GetGamepadAxisMovement(0, axis); - - io.AddKeyAnalogEvent(negKey, axisValue < -deadZone, - axisValue < -deadZone ? -axisValue : 0); - io.AddKeyAnalogEvent(posKey, axisValue > deadZone, - axisValue > deadZone ? axisValue : 0); -} - -bool ImGui_ImplRaylib_ProcessEvents(void) { - ImGuiIO &io = ImGui::GetIO(); - - bool focused = IsWindowFocused(); - if (focused != LastFrameFocused) - io.AddFocusEvent(focused); - LastFrameFocused = focused; - - // handle the modifyer key events so that shortcuts work - bool ctrlDown = rlImGuiIsControlDown(); - if (ctrlDown != LastControlPressed) - io.AddKeyEvent(ImGuiMod_Ctrl, ctrlDown); - LastControlPressed = ctrlDown; - - bool shiftDown = rlImGuiIsShiftDown(); - if (shiftDown != LastShiftPressed) - io.AddKeyEvent(ImGuiMod_Shift, shiftDown); - LastShiftPressed = shiftDown; - - bool altDown = rlImGuiIsAltDown(); - if (altDown != LastAltPressed) - io.AddKeyEvent(ImGuiMod_Alt, altDown); - LastAltPressed = altDown; - - bool superDown = rlImGuiIsSuperDown(); - if (superDown != LastSuperPressed) - io.AddKeyEvent(ImGuiMod_Super, superDown); - LastSuperPressed = superDown; - - // get the pressed keys, just walk the keys so we don - for (int keyId = KEY_NULL; keyId < KeyboardKey::KEY_KP_EQUAL; keyId++) { - if (!IsKeyPressed(keyId)) - continue; - auto keyItr = RaylibKeyMap.find(KeyboardKey(keyId)); - if (keyItr != RaylibKeyMap.end()) - io.AddKeyEvent(keyItr->second, true); - } - - // look for any keys that were down last frame and see if they were down and - // are released - for (const auto keyItr : RaylibKeyMap) { - if (IsKeyReleased(keyItr.first)) - io.AddKeyEvent(keyItr.second, false); - } - - if (io.WantCaptureKeyboard) { - // add the text input in order - unsigned int pressed = GetCharPressed(); - while (pressed != 0) { - io.AddInputCharacter(pressed); - pressed = GetCharPressed(); - } - } - - if (io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad && - IsGamepadAvailable(0)) { - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_LEFT_FACE_UP, - ImGuiKey_GamepadDpadUp); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_LEFT_FACE_RIGHT, - ImGuiKey_GamepadDpadRight); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_LEFT_FACE_DOWN, - ImGuiKey_GamepadDpadDown); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_LEFT_FACE_LEFT, - ImGuiKey_GamepadDpadLeft); - - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_RIGHT_FACE_UP, - ImGuiKey_GamepadFaceUp); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_RIGHT_FACE_RIGHT, - ImGuiKey_GamepadFaceLeft); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_RIGHT_FACE_DOWN, - ImGuiKey_GamepadFaceDown); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_RIGHT_FACE_LEFT, - ImGuiKey_GamepadFaceRight); - - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_LEFT_TRIGGER_1, - ImGuiKey_GamepadL1); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_LEFT_TRIGGER_2, - ImGuiKey_GamepadL2); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_RIGHT_TRIGGER_1, - ImGuiKey_GamepadR1); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_RIGHT_TRIGGER_2, - ImGuiKey_GamepadR2); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_LEFT_THUMB, - ImGuiKey_GamepadL3); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_RIGHT_THUMB, - ImGuiKey_GamepadR3); - - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_MIDDLE_LEFT, - ImGuiKey_GamepadStart); - HandleGamepadButtonEvent(io, GAMEPAD_BUTTON_MIDDLE_RIGHT, - ImGuiKey_GamepadBack); - - // left stick - HandleGamepadStickEvent(io, GAMEPAD_AXIS_LEFT_X, - ImGuiKey_GamepadLStickLeft, - ImGuiKey_GamepadLStickRight); - HandleGamepadStickEvent(io, GAMEPAD_AXIS_LEFT_Y, - ImGuiKey_GamepadLStickUp, - ImGuiKey_GamepadLStickDown); - - // right stick - HandleGamepadStickEvent(io, GAMEPAD_AXIS_RIGHT_X, - ImGuiKey_GamepadRStickLeft, - ImGuiKey_GamepadRStickRight); - HandleGamepadStickEvent(io, GAMEPAD_AXIS_RIGHT_Y, - ImGuiKey_GamepadRStickUp, - ImGuiKey_GamepadRStickDown); - } - - return true; -} |