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Solved wxMotif scrolling display problem; added wxImageModule;

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added wxRETAINED support in wxMotif; changed wxDC::SetBackground behaviour;
changed OnKeyDown/OnChar behaviour; fixed wxToolBar toggle bugs; fixed
wxImage on wxMotif bug whereby new was used to allocate XImage data


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1677 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
1999-02-11 16:00:33 +00:00
parent b4b92fa660
commit a91b47e800
24 changed files with 353 additions and 288 deletions
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38
src/generic/scrolwin.cpp
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@@ -40,6 +40,11 @@ IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxWindow)
#include "windows.h"
#endif
#ifdef __WXMOTIF__
// For wxRETAINED implementation
#include <Xm/Xm.h>
#endif
wxScrolledWindow::wxScrolledWindow(void)
{
m_xScrollPixelsPerLine = 0;
@@ -104,6 +109,39 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY,
m_yScrollPosition = yPos;
m_xScrollLines = noUnitsX;
m_yScrollLines = noUnitsY;
#ifdef __WXMOTIF__
// Sorry, some Motif-specific code to implement a backing pixmap
// for the wxRETAINED style. Implementing a backing store can't
// be entirely generic because it relies on the wxWindowDC implementation
// to duplicate X drawing calls for the backing pixmap.
if ((m_windowStyle & wxRETAINED) == wxRETAINED)
{
Display* dpy = XtDisplay((Widget) GetMainWidget());
int totalPixelWidth = m_xScrollLines * m_xScrollPixelsPerLine;
int totalPixelHeight = m_yScrollLines * m_yScrollPixelsPerLine;
if (m_backingPixmap &&
!((m_pixmapWidth == totalPixelWidth) &&
(m_pixmapHeight == totalPixelHeight)))
{
XFreePixmap (dpy, (Pixmap) m_backingPixmap);
m_backingPixmap = (WXPixmap) 0;
}
if (!m_backingPixmap &&
(noUnitsX != 0) && (noUnitsY != 0))
{
int depth = wxDisplayDepth();
m_pixmapWidth = totalPixelWidth;
m_pixmapHeight = totalPixelHeight;
m_backingPixmap = (WXPixmap) XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
m_pixmapWidth, m_pixmapHeight, depth);
}
}
#endif
AdjustScrollbars();