Add a signal for window exposure

[libs/gui.git] / source / graphics / windows / window.cpp

diff --git a/source/graphics/windows/window.cpp b/source/graphics/windows/window.cpp
index 2d4d75bead21b6a3f5b6e8208c454379479adcad..68baea71ed2d9c91a05d99ef42fd1fe844e3a8c8 100644 (file)
--- a/source/graphics/windows/window.cpp
+++ b/source/graphics/windows/window.cpp
@@ -183,6 +183,15 @@ bool Window::event(const Event &evnt)
        case WM_CLOSE:
                signal_close.emit();
                break;
+       case WM_PAINT:
+               {
+                       RECT update_rect;
+                       GetUpdateRect(priv->window, &update_rect, false);
+                       unsigned width = update_rect.right-update_rect.left;
+                       unsigned height = update_rect.bottom-update_rect.top;
+                       signal_expose.emit(update_rect.left, update_rect.top, width, height, evnt);
+               }
+               break;
        default:
                return false;
        }