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| author | David Robillard <d@drobilla.net> | 2019-07-21 12:17:31 +0200 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2019-07-21 14:44:19 +0200 |
| commit | 93216a6e63bfe868ed564b0f958ef2a1f85d4f87 (patch) | |
| tree | 3fa65f12d04e92b0527c8355eba5ea2a659660a9 /pugl | |
| parent | 296055302b5f83f02336d47a42427e97561f1302 (diff) | |
| download | pugl-93216a6e63bfe868ed564b0f958ef2a1f85d4f87.tar.gz pugl-93216a6e63bfe868ed564b0f958ef2a1f85d4f87.tar.bz2 pugl-93216a6e63bfe868ed564b0f958ef2a1f85d4f87.zip | |
Draw during resizing on Windows
Diffstat (limited to 'pugl')
| -rw-r--r-- | pugl/pugl_win.c | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/pugl/pugl_win.c b/pugl/pugl_win.c index 08b7611..3edf08f 100644 --- a/pugl/pugl_win.c +++ b/pugl/pugl_win.c @@ -44,6 +44,7 @@ #endif #define PUGL_LOCAL_CLOSE_MSG (WM_USER + 50) +#define PUGL_RESIZE_TIMER_ID 9461 #define WGL_DRAW_TO_WINDOW_ARB 0x2001 #define WGL_ACCELERATION_ARB 0x2003 @@ -75,7 +76,9 @@ struct PuglInternalsImpl { HWND hwnd; HDC hdc; HGLRC hglrc; + DWORD refreshRate; double timerFrequency; + bool resizing; }; // Scoped class to manage the fake window used during window creation @@ -181,6 +184,11 @@ puglCreateWindow(PuglView* view, const char* title) title = title ? title : "Window"; + // Get refresh rate for resize draw timer + DEVMODEA devMode = {0}; + EnumDisplaySettingsA(NULL, ENUM_CURRENT_SETTINGS, &devMode); + view->impl->refreshRate = devMode.dmDisplayFrequency; + // Register window class WNDCLASSEX wc; memset(&wc, 0, sizeof(wc)); @@ -584,6 +592,23 @@ ignoreKeyEvent(PuglView* view, LPARAM lParam) return view->ignoreKeyRepeat && (lParam & (1 << 30)); } +static RECT +handleConfigure(PuglView* view, PuglEvent* event) +{ + RECT rect; + GetWindowRect(view->impl->hwnd, &rect); + view->width = rect.right - rect.left; + view->height = rect.bottom - rect.top; + + event->configure.type = PUGL_CONFIGURE; + event->configure.x = rect.left; + event->configure.y = rect.top; + event->configure.width = view->width; + event->configure.height = view->height; + + return rect; +} + static LRESULT handleMessage(PuglView* view, UINT message, WPARAM wParam, LPARAM lParam) { @@ -603,18 +628,31 @@ handleMessage(PuglView* view, UINT message, WPARAM wParam, LPARAM lParam) switch (message) { case WM_SHOWWINDOW: - case WM_SIZE: - GetWindowRect(view->impl->hwnd, &rect); - event.configure.type = PUGL_CONFIGURE; - event.configure.x = rect.left; - event.configure.y = rect.top; - view->width = rect.right - rect.left; - view->height = rect.bottom - rect.top; - event.configure.width = view->width; - event.configure.height = view->height; + rect = handleConfigure(view, &event); InvalidateRect(view->impl->hwnd, &rect, FALSE); UpdateWindow(view->impl->hwnd); - puglPostRedisplay(view); + break; + case WM_SIZE: + handleConfigure(view, &event); + if (!view->impl->resizing) { + puglPostRedisplay(view); + } + break; + case WM_ENTERSIZEMOVE: + view->impl->resizing = true; + SetTimer(view->impl->hwnd, + PUGL_RESIZE_TIMER_ID, + 1000 / view->impl->refreshRate, + NULL); + break; + case WM_TIMER: + if (wParam == PUGL_RESIZE_TIMER_ID) { + puglPostRedisplay(view); + } + break; + case WM_EXITSIZEMOVE: + KillTimer(view->impl->hwnd, PUGL_RESIZE_TIMER_ID); + view->impl->resizing = false; break; case WM_GETMINMAXINFO: mmi = (MINMAXINFO*)lParam; |