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avoid GTK "assertion `min < max' failed"

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39200 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett
2006-05-18 02:39:23 +00:00
parent 152e88789d
commit de7bb80239
2 changed files with 16 additions and 1 deletions
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6
src/gtk/scrolbar.cpp
View File

@@ -182,6 +182,12 @@ void wxScrollBar::SetThumbPosition( int viewStart )
void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize, bool) void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize, bool)
{ {
if (range == 0)
{
// GtkRange requires upper > lower
range =
thumbSize = 1;
}
GtkAdjustment* adj = ((GtkRange*)m_widget)->adjustment; GtkAdjustment* adj = ((GtkRange*)m_widget)->adjustment;
adj->value = position; adj->value = position;
adj->step_increment = 1; adj->step_increment = 1;

11
src/gtk/window.cpp
View File

@@ -4057,7 +4057,16 @@ void wxWindowGTK::SetScrollbar( int orient, int pos, int thumbVisible,
wxCHECK_RET( m_widget != NULL, wxT("invalid window") ); wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") ); wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
m_hasScrolling = true; if (range > 0)
{
m_hasScrolling = true;
}
else
{
// GtkRange requires upper > lower
range =
thumbVisible = 1;
}
const int i = orient == wxVERTICAL; const int i = orient == wxVERTICAL;
GtkAdjustment* adj = m_scrollBar[i]->adjustment; GtkAdjustment* adj = m_scrollBar[i]->adjustment;