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#include <imgui.h>
#include <raylib.h>
#include "imgui_impl_raylib.h"
static double g_Time = 0.0;
static const char* ImGui_ImplRaylib_GetClipboardText(void*)
{
return GetClipboardText();
}
static void ImGui_ImplRaylib_SetClipboardText(void*, const char* text)
{
SetClipboardText(text);
}
bool ImGui_ImplRaylib_Init()
{
ImGuiIO& io = ImGui::GetIO();
io.BackendPlatformName = "imgui_impl_raylib";
io.KeyMap[ImGuiKey_Tab] = KEY_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = KEY_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = KEY_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = KEY_UP;
io.KeyMap[ImGuiKey_DownArrow] = KEY_DOWN;
io.KeyMap[ImGuiKey_PageUp] = KEY_PAGE_DOWN;
io.KeyMap[ImGuiKey_PageDown] = KEY_PAGE_UP;
io.KeyMap[ImGuiKey_Home] = KEY_HOME;
io.KeyMap[ImGuiKey_End] = KEY_END;
io.KeyMap[ImGuiKey_Insert] = KEY_INSERT;
io.KeyMap[ImGuiKey_Delete] = KEY_DELETE;
io.KeyMap[ImGuiKey_Backspace] = KEY_BACKSPACE;
io.KeyMap[ImGuiKey_Space] = KEY_SPACE;
io.KeyMap[ImGuiKey_Enter] = KEY_ENTER;
io.KeyMap[ImGuiKey_Escape] = KEY_ESCAPE;
io.KeyMap[ImGuiKey_KeyPadEnter] = KEY_KP_ENTER;
io.KeyMap[ImGuiKey_A] = KEY_A;
io.KeyMap[ImGuiKey_C] = KEY_C;
io.KeyMap[ImGuiKey_V] = KEY_V;
io.KeyMap[ImGuiKey_X] = KEY_X;
io.KeyMap[ImGuiKey_Y] = KEY_Y;
io.KeyMap[ImGuiKey_Z] = KEY_Z;
io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
io.SetClipboardTextFn = ImGui_ImplRaylib_SetClipboardText;
io.GetClipboardTextFn = ImGui_ImplRaylib_GetClipboardText;
io.ClipboardUserData = NULL;
return true;
}
void ImGui_ImplRaylib_Shutdown()
{
g_Time = 0.0;
}
static void ImGui_ImplRaylib_UpdateMousePosAndButtons()
{
ImGuiIO& io = ImGui::GetIO();
// Set OS mouse position if requested (rarely used, only when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user)
if (io.WantSetMousePos)
SetMousePosition(io.MousePos.x, io.MousePos.y);
else
io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
io.MouseDown[0] = IsMouseButtonDown(MOUSE_LEFT_BUTTON);
io.MouseDown[1] = IsMouseButtonDown(MOUSE_RIGHT_BUTTON);
io.MouseDown[2] = IsMouseButtonDown(MOUSE_MIDDLE_BUTTON);
if (!IsWindowMinimized())
io.MousePos = ImVec2(GetMouseX(), GetMouseY());
}
static void ImGui_ImplRaylib_UpdateMouseCursor()
{
ImGuiIO& io = ImGui::GetIO();
if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange)
return;
ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor();
if (io.MouseDrawCursor || imgui_cursor == ImGuiMouseCursor_None)
{
// Hide OS mouse cursor if imgui is drawing it or if it wants no cursor
HideCursor();
}
else
{
// Show OS mouse cursor
ShowCursor();
}
}
void ImGui_ImplRaylib_NewFrame()
{
ImGuiIO &io = ImGui::GetIO();
io.DisplaySize = ImVec2((float) GetScreenWidth(), (float) GetScreenHeight());
double current_time = GetTime();
io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f);
g_Time = current_time;
io.KeyCtrl = IsKeyDown(KEY_RIGHT_CONTROL) || IsKeyDown(KEY_LEFT_CONTROL);
io.KeyShift = IsKeyDown(KEY_RIGHT_SHIFT) || IsKeyDown(KEY_LEFT_SHIFT);
io.KeyAlt = IsKeyDown(KEY_RIGHT_ALT) || IsKeyDown(KEY_LEFT_ALT);
io.KeySuper = IsKeyDown(KEY_RIGHT_SUPER) || IsKeyDown(KEY_LEFT_SUPER);
ImGui_ImplRaylib_UpdateMousePosAndButtons();
ImGui_ImplRaylib_UpdateMouseCursor();
if (GetMouseWheelMove() > 0)
io.MouseWheel += 1;
else if (GetMouseWheelMove() < 0)
io.MouseWheel -= 1;
}
#define FOR_ALL_KEYS(X) \
X(KEY_APOSTROPHE); \
X(KEY_COMMA); \
X(KEY_MINUS); \
X(KEY_PERIOD); \
X(KEY_SLASH); \
X(KEY_ZERO); \
X(KEY_ONE); \
X(KEY_TWO); \
X(KEY_THREE); \
X(KEY_FOUR); \
X(KEY_FIVE); \
X(KEY_SIX); \
X(KEY_SEVEN); \
X(KEY_EIGHT); \
X(KEY_NINE); \
X(KEY_SEMICOLON); \
X(KEY_EQUAL); \
X(KEY_A); \
X(KEY_B); \
X(KEY_C); \
X(KEY_D); \
X(KEY_E); \
X(KEY_F); \
X(KEY_G); \
X(KEY_H); \
X(KEY_I); \
X(KEY_J); \
X(KEY_K); \
X(KEY_L); \
X(KEY_M); \
X(KEY_N); \
X(KEY_O); \
X(KEY_P); \
X(KEY_Q); \
X(KEY_R); \
X(KEY_S); \
X(KEY_T); \
X(KEY_U); \
X(KEY_V); \
X(KEY_W); \
X(KEY_X); \
X(KEY_Y); \
X(KEY_Z); \
X(KEY_SPACE); \
X(KEY_ESCAPE); \
X(KEY_ENTER); \
X(KEY_TAB); \
X(KEY_BACKSPACE); \
X(KEY_INSERT); \
X(KEY_DELETE); \
X(KEY_RIGHT); \
X(KEY_LEFT); \
X(KEY_DOWN); \
X(KEY_UP); \
X(KEY_PAGE_UP); \
X(KEY_PAGE_DOWN); \
X(KEY_HOME); \
X(KEY_END); \
X(KEY_CAPS_LOCK); \
X(KEY_SCROLL_LOCK); \
X(KEY_NUM_LOCK); \
X(KEY_PRINT_SCREEN); \
X(KEY_PAUSE); \
X(KEY_F1); \
X(KEY_F2); \
X(KEY_F3); \
X(KEY_F4); \
X(KEY_F5); \
X(KEY_F6); \
X(KEY_F7); \
X(KEY_F8); \
X(KEY_F9); \
X(KEY_F10); \
X(KEY_F11); \
X(KEY_F12); \
X(KEY_LEFT_SHIFT); \
X(KEY_LEFT_CONTROL); \
X(KEY_LEFT_ALT); \
X(KEY_LEFT_SUPER); \
X(KEY_RIGHT_SHIFT); \
X(KEY_RIGHT_CONTROL); \
X(KEY_RIGHT_ALT); \
X(KEY_RIGHT_SUPER); \
X(KEY_KB_MENU); \
X(KEY_LEFT_BRACKET); \
X(KEY_BACKSLASH); \
X(KEY_RIGHT_BRACKET); \
X(KEY_GRAVE); \
X(KEY_KP_0); \
X(KEY_KP_1); \
X(KEY_KP_2); \
X(KEY_KP_3); \
X(KEY_KP_4); \
X(KEY_KP_5); \
X(KEY_KP_6); \
X(KEY_KP_7); \
X(KEY_KP_8); \
X(KEY_KP_9); \
X(KEY_KP_DECIMAL); \
X(KEY_KP_DIVIDE); \
X(KEY_KP_MULTIPLY); \
X(KEY_KP_SUBTRACT); \
X(KEY_KP_ADD); \
X(KEY_KP_ENTER); \
X(KEY_KP_EQUAL);
#define SET_KEY_DOWN(KEY) io.KeysDown[KEY] = IsKeyDown(KEY)
bool ImGui_ImplRaylib_ProcessEvent()
{
ImGuiIO& io = ImGui::GetIO();
FOR_ALL_KEYS(SET_KEY_DOWN);
if (GetKeyPressed() != -1)
{
io.AddInputCharacter(GetKeyPressed());
}
return true;
}
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