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Examples: Extend Win32/Winapi + OpenGL example for multi-viewport. (#3218, #5170 and #6086, #2772, #2600, #2359, #2022, #1553)

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This commit is contained in:
Mark Jansen
2023-04-19 16:46:22 +02:00
committed by ocornut
parent 1f2b84a654
commit 4bc51c6ff4
2 changed files with 81 additions and 5 deletions
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9
backends/imgui_impl_win32.cpp
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@@ -87,7 +87,7 @@ typedef DWORD (WINAPI *PFN_XInputGetState)(DWORD, XINPUT_STATE*);
// 2016-11-12: Inputs: Only call Win32 ::SetCursor(nullptr) when io.MouseDrawCursor is set.
// Forward Declarations
static void ImGui_ImplWin32_InitPlatformInterface();
static void ImGui_ImplWin32_InitPlatformInterface(bool platformHasOwnDC);
static void ImGui_ImplWin32_ShutdownPlatformInterface();
static void ImGui_ImplWin32_UpdateMonitors();
@@ -153,8 +153,7 @@ static bool ImGui_ImplWin32_InitEx(void* hwnd, bool platform_has_own_dc)
ImGuiViewport* main_viewport = ImGui::GetMainViewport();
main_viewport->PlatformHandle = main_viewport->PlatformHandleRaw = (void*)bd->hWnd;
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
ImGui_ImplWin32_InitPlatformInterface();
IM_UNUSED(platform_has_own_dc); // Used in 'docking' branch
ImGui_ImplWin32_InitPlatformInterface(platform_has_own_dc);
// Dynamically load XInput library
#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
@@ -1166,11 +1165,11 @@ static LRESULT CALLBACK ImGui_ImplWin32_WndProcHandler_PlatformWindow(HWND hWnd,
return DefWindowProc(hWnd, msg, wParam, lParam);
}
static void ImGui_ImplWin32_InitPlatformInterface()
static void ImGui_ImplWin32_InitPlatformInterface(bool platformHasOwnDC)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.style = CS_HREDRAW | CS_VREDRAW | (platformHasOwnDC ? CS_OWNDC : 0);
wcex.lpfnWndProc = ImGui_ImplWin32_WndProcHandler_PlatformWindow;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;