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Viewports: Add various comments

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This commit is contained in:
omar
2020-01-20 19:33:46 +01:00
parent 7e068da2bd
commit f1b5c742ff
10 changed files with 19 additions and 8 deletions
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8
examples/imgui_impl_glfw.cpp
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@ -428,6 +428,7 @@ void ImGui_ImplGlfw_NewFrame()
// If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
//--------------------------------------------------------------------------------------------------------
// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
struct ImGuiViewportDataGlfw
{
GLFWwindow* Window;
@ -496,7 +497,7 @@ static void ImGui_ImplGlfw_CreateWindow(ImGuiViewport* viewport)
#endif
glfwSetWindowPos(data->Window, (int)viewport->Pos.x, (int)viewport->Pos.y);
// Install callbacks for secondary viewports
// Install GLFW callbacks for secondary viewports
glfwSetMouseButtonCallback(data->Window, ImGui_ImplGlfw_MouseButtonCallback);
glfwSetScrollCallback(data->Window, ImGui_ImplGlfw_ScrollCallback);
glfwSetKeyCallback(data->Window, ImGui_ImplGlfw_KeyCallback);
@ -529,7 +530,8 @@ static void ImGui_ImplGlfw_DestroyWindow(ImGuiViewport* viewport)
viewport->PlatformUserData = viewport->PlatformHandle = NULL;
}
// FIXME-VIEWPORT: Implement same work-around for Linux/OSX in the meanwhile.
// We have submitted https://github.com/glfw/glfw/pull/1568 to allow GLFW to support "transparent inputs".
// In the meanwhile we implement custom per-platform workarounds here (FIXME-VIEWPORT: Implement same work-around for Linux/OSX!)
#if defined(_WIN32) && GLFW_HAS_GLFW_HOVERED
static WNDPROC g_GlfwWndProc = NULL;
static LRESULT CALLBACK WndProcNoInputs(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
@ -733,7 +735,6 @@ static int ImGui_ImplGlfw_CreateVkSurface(ImGuiViewport* viewport, ImU64 vk_inst
}
#endif // GLFW_HAS_VULKAN
// FIXME-PLATFORM: GLFW doesn't export monitor work area (see https://github.com/glfw/glfw/pull/989)
static void ImGui_ImplGlfw_UpdateMonitors()
{
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
@ -805,6 +806,7 @@ static void ImGui_ImplGlfw_InitPlatformInterface()
glfwSetMonitorCallback(ImGui_ImplGlfw_MonitorCallback);
// Register main window handle (which is owned by the main application, not by us)
// This is mostly for simplicity and consistency, so that our code (e.g. mouse handling etc.) can use same logic for main and secondary viewports.
ImGuiViewport* main_viewport = ImGui::GetMainViewport();
ImGuiViewportDataGlfw* data = IM_NEW(ImGuiViewportDataGlfw)();
data->Window = g_Window;