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Viewport, Platform: Added a way to register monitor bounds to imgui so they can be used to clamp individual-viewport tooltips/popups so they don't straddle monitors. (#1542)

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This commit is contained in:
omar
2018-04-10 22:32:08 +02:00
parent 7ddc22b326
commit 32ee0a3947
5 changed files with 79 additions and 6 deletions
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18
examples/imgui_impl_win32.cpp
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@ -535,6 +535,22 @@ static LRESULT CALLBACK ImGui_ImplWin32_WndProcHandler_PlatformWindow(HWND hWnd,
return DefWindowProc(hWnd, msg, wParam, lParam);
}
static BOOL CALLBACK ImGui_ImplWin32_UpdateMonitors_EnumFunc(HMONITOR, HDC, LPRECT rect, LPARAM)
{
ImGuiPlatformMonitor imgui_monitor;
imgui_monitor.Pos = ImVec2((float)rect->left, (float)rect->top);
imgui_monitor.Size = ImVec2((float)(rect->right - rect->left), (float)(rect->bottom - rect->top));
ImGui::GetPlatformData()->Monitors.push_back(imgui_monitor);
return TRUE;
}
// FIXME-PLATFORM: Update list when changed (WM_DISPLAYCHANGE?)
static void ImGui_ImplWin32_UpdateMonitors()
{
ImGui::GetPlatformData()->Monitors.resize(0);
::EnumDisplayMonitors(NULL, NULL, ImGui_ImplWin32_UpdateMonitors_EnumFunc, NULL);
}
static void ImGui_ImplWin32_InitPlatformInterface()
{
WNDCLASSEX wcex;
@ -552,6 +568,8 @@ static void ImGui_ImplWin32_InitPlatformInterface()
wcex.hIconSm = NULL;
::RegisterClassEx(&wcex);
ImGui_ImplWin32_UpdateMonitors();
// Register platform interface (will be coupled with a renderer interface)
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
platform_io.Platform_CreateWindow = ImGui_ImplWin32_CreateWindow;