Add cimgui

engine/libs/cimgui/generator/cimgui_template.cpp

@@ -0,0 +1,130 @@
+#ifdef IMGUI_ENABLE_FREETYPE
+#ifndef CIMGUI_FREETYPE
+#error "IMGUI_FREETYPE should be defined for Freetype linking"
+#endif
+#else
+#ifdef CIMGUI_FREETYPE
+#error "IMGUI_FREETYPE should not be defined without freetype generated cimgui"
+#endif
+#endif
+#include "./imgui/imgui.h"
+#ifdef IMGUI_ENABLE_FREETYPE
+#include "./imgui/misc/freetype/imgui_freetype.h"
+#endif
+#include "./imgui/imgui_internal.h"
+#include "cimgui.h"
+
+
+
+#include "auto_funcs.cpp"
+
+
+/////////////////////////////manual written functions
+CIMGUI_API void igLogText(CONST char *fmt, ...)
+{
+    char buffer[256];
+    va_list args;
+    va_start(args, fmt);
+    vsnprintf(buffer, 256, fmt, args);
+    va_end(args);
+
+    ImGui::LogText("%s", buffer);
+}
+CIMGUI_API void ImGuiTextBuffer_appendf(struct ImGuiTextBuffer *buffer, const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    buffer->appendfv(fmt, args);
+    va_end(args);
+}
+
+CIMGUI_API float igGET_FLT_MAX()
+{
+    return FLT_MAX;
+}
+
+CIMGUI_API float igGET_FLT_MIN()
+{
+    return FLT_MIN;
+}
+
+
+CIMGUI_API ImVector_ImWchar* ImVector_ImWchar_create()
+{
+	return IM_NEW(ImVector<ImWchar>) ();
+}
+
+CIMGUI_API void ImVector_ImWchar_destroy(ImVector_ImWchar* self)
+{
+    IM_DELETE(self);
+}
+
+CIMGUI_API void ImVector_ImWchar_Init(ImVector_ImWchar* p)
+{
+	IM_PLACEMENT_NEW(p) ImVector<ImWchar>();
+}
+CIMGUI_API void ImVector_ImWchar_UnInit(ImVector_ImWchar* p)
+{
+	p->~ImVector<ImWchar>();
+}
+
+
+#ifdef IMGUI_HAS_DOCK
+
+// NOTE: Some function pointers in the ImGuiPlatformIO structure are not C-compatible because of their
+// use of a complex return type. To work around this, we store a custom CimguiStorage object inside
+// ImGuiIO::BackendLanguageUserData, which contains C-compatible function pointer variants for these
+// functions. When a user function pointer is provided, we hook up the underlying ImGuiPlatformIO
+// function pointer to a thunk which accesses the user function pointer through CimguiStorage.
+
+struct CimguiStorage
+{
+    void(*Platform_GetWindowPos)(ImGuiViewport* vp, ImVec2* out_pos);
+    void(*Platform_GetWindowSize)(ImGuiViewport* vp, ImVec2* out_pos);
+};
+
+// Gets a reference to the CimguiStorage object stored in the current ImGui context's BackendLanguageUserData.
+CimguiStorage& GetCimguiStorage()
+{
+    ImGuiIO& io = ImGui::GetIO();
+    if (io.BackendLanguageUserData == NULL)
+    {
+        io.BackendLanguageUserData = new CimguiStorage();
+    }
+
+    return *(CimguiStorage*)io.BackendLanguageUserData;
+}
+
+// Thunk satisfying the signature of ImGuiPlatformIO::Platform_GetWindowPos.
+ImVec2 Platform_GetWindowPos_hook(ImGuiViewport* vp)
+{
+    ImVec2 pos;
+    GetCimguiStorage().Platform_GetWindowPos(vp, &pos);
+    return pos;
+};
+
+// Fully C-compatible function pointer setter for ImGuiPlatformIO::Platform_GetWindowPos.
+CIMGUI_API void ImGuiPlatformIO_Set_Platform_GetWindowPos(ImGuiPlatformIO* platform_io, void(*user_callback)(ImGuiViewport* vp, ImVec2* out_pos))
+{
+    CimguiStorage& storage = GetCimguiStorage();
+    storage.Platform_GetWindowPos = user_callback;
+    platform_io->Platform_GetWindowPos = &Platform_GetWindowPos_hook;
+}
+
+// Thunk satisfying the signature of ImGuiPlatformIO::Platform_GetWindowSize.
+ImVec2 Platform_GetWindowSize_hook(ImGuiViewport* vp)
+{
+    ImVec2 size;
+    GetCimguiStorage().Platform_GetWindowSize(vp, &size);
+    return size;
+};
+
+// Fully C-compatible function pointer setter for ImGuiPlatformIO::Platform_GetWindowSize.
+CIMGUI_API void ImGuiPlatformIO_Set_Platform_GetWindowSize(ImGuiPlatformIO* platform_io, void(*user_callback)(ImGuiViewport* vp, ImVec2* out_size))
+{
+    CimguiStorage& storage = GetCimguiStorage();
+    storage.Platform_GetWindowSize = user_callback;
+    platform_io->Platform_GetWindowSize = &Platform_GetWindowSize_hook;
+}
+
+#endif