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Use SDL system cursors in SDL examples. (#1626)

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(Squashed 4 commits)
This commit is contained in:
Oliver Faircliff
2018-02-16 17:45:31 +00:00
committed by omar
parent 63332d152a
commit ffb6e89f30
2 changed files with 40 additions and 2 deletions
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21
examples/sdl_opengl2_example/imgui_impl_sdl_gl2.cpp
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@@ -43,6 +43,7 @@
static Uint64 g_Time = 0;
static bool g_MousePressed[3] = { false, false, false };
static GLuint g_FontTexture = 0;
static SDL_Cursor *g_SdlCursorMap[ImGuiMouseCursor_Count_];
// OpenGL2 Render function.
// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
@@ -250,6 +251,14 @@ bool ImGui_ImplSdlGL2_Init(SDL_Window* window)
io.GetClipboardTextFn = ImGui_ImplSdlGL2_GetClipboardText;
io.ClipboardUserData = NULL;
g_SdlCursorMap[ImGuiMouseCursor_Arrow] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
g_SdlCursorMap[ImGuiMouseCursor_TextInput] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM);
g_SdlCursorMap[ImGuiMouseCursor_Move] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND);
g_SdlCursorMap[ImGuiMouseCursor_ResizeNS] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENS);
g_SdlCursorMap[ImGuiMouseCursor_ResizeEW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEWE);
g_SdlCursorMap[ImGuiMouseCursor_ResizeNESW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENESW);
g_SdlCursorMap[ImGuiMouseCursor_ResizeNWSE] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENWSE);
#ifdef _WIN32
SDL_SysWMinfo wmInfo;
SDL_VERSION(&wmInfo.version);
@@ -265,6 +274,9 @@ bool ImGui_ImplSdlGL2_Init(SDL_Window* window)
void ImGui_ImplSdlGL2_Shutdown()
{
ImGui_ImplSdlGL2_InvalidateDeviceObjects();
for (ImGuiMouseCursor cursor_n = 0; cursor_n < ImGuiMouseCursor_Count_; cursor_n++)
SDL_FreeCursor(g_SdlCursorMap[cursor_n]);
}
void ImGui_ImplSdlGL2_NewFrame(SDL_Window *window)
@@ -314,7 +326,14 @@ void ImGui_ImplSdlGL2_NewFrame(SDL_Window *window)
#endif
// Hide OS mouse cursor if ImGui is drawing it
SDL_ShowCursor(io.MouseDrawCursor ? 0 : 1);
if (io.MouseDrawCursor)
SDL_ShowCursor(0);
else
{
SDL_Cursor *cursor = g_SdlCursorMap[ImGui::GetMouseCursor()];
SDL_SetCursor(cursor);
SDL_ShowCursor(1);
}
// Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application.
ImGui::NewFrame();