+void
+wxLayoutWindow::DoPaint(const wxRect *updateRect)
+{
+#ifdef __WXGTK__
+ InternalPaint(updateRect);
+#else
+ Refresh(FALSE, updateRect); // Causes bad flicker under wxGTK!!!
+#endif
+}
+
+void
+wxLayoutWindow::InternalPaint(const wxRect *updateRect)
+{
+ wxPaintDC dc( this );
+ PrepareDC( dc );
+
+ int x0,y0,x1,y1, dx, dy;
+
+ // Calculate where the top of the visible area is:
+ ViewStart(&x0,&y0);
+ GetScrollPixelsPerUnit(&dx, &dy);
+ x0 *= dx; y0 *= dy;
+
+ // Get the size of the visible window:
+ GetClientSize(&x1,&y1);
+ wxASSERT(x1 > 0);
+ wxASSERT(y1 > 0);
+ // As we have the values anyway, use them to avoid unnecessary
+ // scrollbar updates.
+ if(x1 > m_maxx) m_maxx = x1;
+ if(y1 > m_maxy) m_maxy = y1;
+
+
+ m_llist->InvalidateUpdateRect();
+ const wxRect *r = m_llist->GetUpdateRect();
+ wxLogDebug("Update rect before calling Layout: %ld,%ld / %ld,%ld",
+ r->x, r->y, r->x+r->width, r->y+r->height);
+
+#if 0
+ //FIXME: we should never need to call Layout at all because the
+ // list does it automatically.
+// Maybe we need to change the scrollbar sizes or positions,
+ // so layout the list and check:
+ if(IsDirty())
+ m_llist->Layout(dc);
+ wxLogDebug("Update rect after calling Layout: %ld,%ld / %ld,%ld",
+ r->x, r->y, r->x+r->width, r->y+r->height);
+ // this is needed even when only the cursor moved
+ m_llist->Layout(dc,y0+y1);
+ wxLogDebug("Update rect after calling Layout again: %ld,%ld / %ld,%ld",
+ r->x, r->y, r->x+r->width, r->y+r->height);
+#endif
+
+ if(IsDirty())
+ ResizeScrollbars();
+
+ /* Make sure that the scrollbars are at a position so that the
+ cursor is visible if we are editing. */
+ /** Scroll so that cursor is visible! */
+ wxLogDebug("m_ScrollToCursor = %d", (int) m_ScrollToCursor);
+ if(IsEditable() && m_ScrollToCursor)
+ {
+ wxPoint cc = m_llist->GetCursorScreenPos(*m_memDC);
+ if(cc.x < x0 || cc.y < y0
+ || cc.x >= x0+(9*x1)/10 || cc.y >= y0+(9*y1/10)) // (9*x)/10 == 90%
+ {
+ int nx, ny;
+ nx = cc.x - x1/2; if(nx < 0) nx = 0;
+ ny = cc.y - y1/2; if(ny < 0) ny = 0;
+ Scroll(nx/dx,ny/dy); // new view start
+ x0 = nx; y0 = ny;
+ }
+ }
+
+ /* Check whether the window has grown, if so, we need to reallocate
+ the bitmap to be larger. */
+ if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y)
+ {
+ wxASSERT(m_bitmapSize.x > 0);
+ wxASSERT(m_bitmapSize.y > 0);
+
+ m_memDC->SelectObject(wxNullBitmap);
+ delete m_bitmap;
+ m_bitmapSize = wxPoint(x1,y1);
+ m_bitmap = new wxBitmap(x1,y1);
+ m_memDC->SelectObject(*m_bitmap);
+ }
+ // Device origins on the memDC are suspect, we translate manually
+ // with the translate parameter of Draw().
+ m_memDC->SetDeviceOrigin(0,0);
+ m_memDC->SetBackgroundMode(wxTRANSPARENT);
+ m_memDC->SetBrush(wxBrush(m_llist->GetDefaults()->GetBGColour(), wxSOLID));
+ m_memDC->SetPen(wxPen(m_llist->GetDefaults()->GetBGColour(),0,wxTRANSPARENT));
+ m_memDC->SetLogicalFunction(wxCOPY);
+ if(m_BGbitmap)
projects / wxWidgets.git / blobdiff