Changeset 753

Timestamp:

Jun 15, 2010, 10:55:52 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

gui: OS/2: Attempted to fix a small repaint problem that appeared after r751.

File:

• trunk/src/gui/painting/qwindowsurface_pm.cpp (modified) (3 diffs)

trunk/src/gui/painting/qwindowsurface_pm.cpp

@@ -395 +395 @@
         // receive visible region change messages (note that we don't do this
         // for sub-widgets as it causes some strange PM freezes if these widgets
-        // are embedded windows manipulated by other processes)
+        // are embedded windows manipulated by other processes). We also want
+        // to handle other PM messages
         widget->addPmEventFilter(this);
         WinSetVisibleRegionNotify(widget->winId(), TRUE);
     } else {
+        // receive various PM messages
+        widget->addPmEventFilter(this);
         // receive reparent/destruction messages from children
         // to cleanup the map
@@ -412 +415 @@
     } else {
         widget->removeEventFilter(this);
+        widget->removePmEventFilter(this);
     }
 
@@ -476 +480 @@
             *result = 0;
             return true;
+        }
+        case WM_SIZE: {
+            if (msg->hwnd != that->window()->winId()) {
+                // sometimes PM doesn't send WM_VRNENABLED to the main widget
+                // when the sub-widget (its descendant) gets resized within it;
+                // fix it here by invalidating all visible regions
+                data.vrnDirty = true;
+                if (subWidgets) {
+                    foreach(HWND hwnd, subWidgets->keys())
+                        (*subWidgets)[hwnd].vrnDirty = true;
+                }
+            }
+            break;
         }
         default: