Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2025-07-07 13:35:49 +02:00
Code Issues Packages Projects Releases Wiki Activity

Examples: DirectX9: Added support for multi-viewport (#2394)

Browse Source
This commit is contained in:
Gilad Reich
2019-03-06 21:34:37 +01:00
committed by omar
parent e91d275b10
commit 0a6c5bc234
3 changed files with 154 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
examples/example_win32_directx9/main.cpp
View File

@ -49,6 +49,10 @@ void ResetDevice()
ImGui_ImplDX9_CreateDeviceObjects();
}
#ifndef WM_DPICHANGED
#define WM_DPICHANGED 0x02E0 // From Windows SDK 8.1+ headers
#endif
extern LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
@ -72,12 +76,23 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_DPICHANGED:
if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_DpiEnableScaleViewports)
{
//const int dpi = HIWORD(wParam);
//printf("WM_DPICHANGED to %d (%.0f%%)\n", dpi, (float)dpi / 96.0f * 100.0f);
const RECT* suggested_rect = (RECT*)lParam;
::SetWindowPos(hWnd, NULL, suggested_rect->left, suggested_rect->top, suggested_rect->right - suggested_rect->left, suggested_rect->bottom - suggested_rect->top, SWP_NOZORDER | SWP_NOACTIVATE);
}
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
int main(int, char**)
{
ImGui_ImplWin32_EnableDpiAwareness();
// Create application window
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL };
RegisterClassEx(&wc);
@ -109,6 +124,14 @@ int main(int, char**)
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();
// When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
ImGuiStyle& style = ImGui::GetStyle();
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{
style.WindowRounding = 0.0f;
style.Colors[ImGuiCol_WindowBg].w = 1.0f;
}
// Setup Platform/Renderer bindings
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX9_Init(g_pd3dDevice);
@ -205,6 +228,14 @@ int main(int, char**)
ImGui_ImplDX9_RenderDrawData(ImGui::GetDrawData());
g_pd3dDevice->EndScene();
}
// Update and Render additional Platform Windows
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{
ImGui::UpdatePlatformWindows();
ImGui::RenderPlatformWindowsDefault();
}
HRESULT result = g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
// Handle loss of D3D9 device