- // Use whole client area
- x = 0; y = 0;
- GetClientSize(& w, & h);
- }
-
- wxNode *cnode = m_children.First();
- while (cnode)
- {
- wxWindow *child = (wxWindow*) cnode->Data();
- int sx = 0;
- int sy = 0;
- child->GetSize( &sx, &sy );
- wxPoint pos( child->GetPosition() );
- child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
- cnode = cnode->Next();
- }
-
- int x1 = (dx >= 0) ? x : x - dx;
- int y1 = (dy >= 0) ? y : y - dy;
- int w1 = w - abs(dx);
- int h1 = h - abs(dy);
- int x2 = (dx >= 0) ? x + dx : x;
- int y2 = (dy >= 0) ? y + dy : y;
-
- wxClientDC dc((wxWindow*) this);
-
- dc.SetLogicalFunction (wxCOPY);
-
- Window window = (Window) GetMainWindow();
- Display* display = wxGlobalDisplay();
-
- XCopyArea(display, window, window, (GC) dc.GetGC(),
- x1, y1, w1, h1, x2, y2);
-
- dc.SetAutoSetting(TRUE);
- wxBrush brush(GetBackgroundColour(), wxSOLID);
- dc.SetBrush(brush); // FIXME: needed?
-
- // We'll add rectangles to the list of update rectangles according to which
- // bits we've exposed.
- wxList updateRects;
-
- if (dx > 0)
- {
- wxRect *rect = new wxRect;
- rect->x = x;
- rect->y = y;
- rect->width = dx;
- rect->height = h;
-
- XFillRectangle(display, window,
- (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
-
- rect->x = rect->x;
- rect->y = rect->y;
- rect->width = rect->width;
- rect->height = rect->height;
-
- updateRects.Append((wxObject*) rect);
- }
- else if (dx < 0)
- {
- wxRect *rect = new wxRect;
-
- rect->x = x + w + dx;
- rect->y = y;
- rect->width = -dx;
- rect->height = h;
-
- XFillRectangle(display, window,
- (GC) dc.GetGC(), rect->x, rect->y, rect->width,
- rect->height);
-
- rect->x = rect->x;
- rect->y = rect->y;
- rect->width = rect->width;
- rect->height = rect->height;
-
- updateRects.Append((wxObject*) rect);
- }
- if (dy > 0)
- {
- wxRect *rect = new wxRect;
-
- rect->x = x;
- rect->y = y;
- rect->width = w;
- rect->height = dy;
-
- XFillRectangle(display, window,
- (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
-
- rect->x = rect->x;
- rect->y = rect->y;
- rect->width = rect->width;
- rect->height = rect->height;
-
- updateRects.Append((wxObject*) rect);
- }
- else if (dy < 0)
- {
- wxRect *rect = new wxRect;
-
- rect->x = x;
- rect->y = y + h + dy;
- rect->width = w;
- rect->height = -dy;
-
- XFillRectangle(display, window,
- (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
-
- rect->x = rect->x;
- rect->y = rect->y;
- rect->width = rect->width;
- rect->height = rect->height;
-
- updateRects.Append((wxObject*) rect);
- }
- dc.SetBrush(wxNullBrush);
-
- // Now send expose events
-
- wxNode* node = updateRects.First();
- while (node)
- {
- wxRect* rect = (wxRect*) node->Data();
- XExposeEvent event;
-
- event.type = Expose;
- event.display = display;
- event.send_event = True;
- event.window = window;
-
- event.x = rect->x;
- event.y = rect->y;
- event.width = rect->width;
- event.height = rect->height;
-
- event.count = 0;
-
- XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
-
- node = node->Next();
-
+ wxRect rect;
+ if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
+ if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
+ if (dy != 0) rect.width = cw; else rect.width = abs(dx);
+ if (dx != 0) rect.height = ch; else rect.height = abs(dy);
+
+ int d_x = s_x;
+ int d_y = s_y;
+
+ if (dx < 0) s_x += -dx;
+ if (dy < 0) s_y += -dy;
+ if (dx > 0) d_x = dx + offset.x;
+ if (dy > 0) d_y = dy + offset.y;
+
+ XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
+
+ // wxLogDebug( "Copy: s_x %d s_y %d w %d h %d d_x %d d_y %d", s_x, s_y, w, h, d_x, d_y );
+
+ // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
+
+ m_updateRegion.Union( rect );
+ m_clearRegion.Union( rect );