static void EventFlagsToSelType(long style,
bool shiftDown,
bool ctrlDown,
- bool *is_multiple,
- bool *extended_select,
- bool *unselect_others)
+ bool &is_multiple,
+ bool &extended_select,
+ bool &unselect_others)
{
- *is_multiple = (style & wxTR_MULTIPLE) != 0;
- *extended_select = shiftDown && is_multiple;
- *unselect_others = !(extended_select || (ctrlDown && is_multiple));
+ is_multiple = (style & wxTR_MULTIPLE) != 0;
+ extended_select = shiftDown && is_multiple;
+ unselect_others = !(extended_select || (ctrlDown && is_multiple));
}
// -----------------------------------------------------------------------------
{
m_imageListNormal = imageList;
+ if ( !m_imageListNormal )
+ return;
+
// Calculate a m_lineHeight value from the image sizes.
// May be toggle off. Then wxTreeCtrl will spread when
// necessary (which might look ugly).
-#if 1
wxClientDC dc(this);
m_lineHeight = (int)(dc.GetCharHeight() + 4);
int width = 0, height = 0,
m_lineHeight += 2; // at least 2 pixels
else
m_lineHeight += m_lineHeight/10; // otherwise 10% extra spacing
-#endif
}
void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
int image = item->GetCurrentImage();
if ( image != NO_IMAGE )
{
- m_imageListNormal->GetSize( image, image_w, image_h );
- image_w += 4;
+ if ( m_imageListNormal )
+ {
+ m_imageListNormal->GetSize( image, image_w, image_h );
+ image_w += 4;
+ }
+ else
+ {
+ image = NO_IMAGE;
+ }
}
int total_h = GetLineHeight(item);
EventFlagsToSelType(GetWindowStyleFlag(),
event.ShiftDown(),
event.ControlDown(),
- &is_multiple, &extended_select, &unselect_others);
-
+ is_multiple, extended_select, unselect_others);
+
+ // + : Expand
+ // - : Collaspe
+ // * : Toggle Expand/Collapse
+ // ' ' | return : activate
+ // up : go up (not last children!)
+ // down : go down
+ // left : go to parent
+ // right : open if parent and go next
+ // home : go to root
+ // end : go to last item without opening parents
switch (event.KeyCode())
{
case '+':
int image = m_currentEdit->GetCurrentImage();
if ( image != NO_IMAGE )
{
- m_imageListNormal->GetSize( image, image_w, image_h );
- image_w += 4;
+ if ( m_imageListNormal )
+ {
+ m_imageListNormal->GetSize( image, image_w, image_h );
+ image_w += 4;
+ }
+ else
+ {
+ wxFAIL_MSG(_T("you must create an image list to use images!"));
+ }
}
x += image_w;
w -= image_w + 4; // I don't know why +4 is needed
EventFlagsToSelType(GetWindowStyleFlag(),
event.ShiftDown(),
event.ControlDown(),
- &is_multiple, &extended_select, &unselect_others);
+ is_multiple, extended_select, unselect_others);
if ( onButton )
{
void wxTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc )
{
- int text_w = 0;
- int text_h = 0;
+ wxCoord text_w = 0;
+ wxCoord text_h = 0;
if (item->IsBold())
dc.SetFont(m_boldFont);
int image = item->GetCurrentImage();
if ( image != NO_IMAGE )
{
- m_imageListNormal->GetSize( image, image_w, image_h );
- image_w += 4;
+ if ( m_imageListNormal )
+ {
+ m_imageListNormal->GetSize( image, image_w, image_h );
+ image_w += 4;
+ }
}
int total_h = (image_h > text_h) ? image_h : text_h;