wstyle |= TVS_CHECKBOXES;
#endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
+ // Need so that TVN_GETINFOTIP messages will be sent
+ wstyle |= TVS_INFOTIP;
+
// Create the tree control.
if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
return false;
break;
}
+
+ // These *must* not be removed or TVN_GETINFOTIP will
+ // not be processed each time the mouse is moved
+ // and the tooltip will only ever update once.
+ case TTN_NEEDTEXTA:
+ case TTN_NEEDTEXTW:
+ {
+ *result = 0;
+
+ break;
+ }
+
+ case TVN_GETINFOTIP:
+ {
+ eventType = wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP;
+ NMTVGETINFOTIP *info = (NMTVGETINFOTIP*)lParam;
+
+ // Which item are we trying to get a tooltip for?
+ event.m_item = (WXHTREEITEM) info->hItem;
+
+ break;
+ }
+
case TVN_GETDISPINFO:
eventType = wxEVT_COMMAND_TREE_GET_INFO;
// fall through
wxTreeItemAttr * const attr = it->second;
- HFONT hFont;
- if ( attr->HasFont() )
- {
- hFont = GetHfontOf(attr->GetFont());
- }
- else
- {
- hFont = 0;
- }
-
- wxColour colText;
- if ( attr->HasTextColour() )
- {
- colText = attr->GetTextColour();
- }
- else
- {
- colText = GetForegroundColour();
- }
-
- // selection colours should override ours
- if ( nmcd.uItemState & CDIS_SELECTED )
- {
- lptvcd->clrTextBk =
- ::GetSysColor(COLOR_HIGHLIGHT);
- lptvcd->clrText =
- ::GetSysColor(COLOR_HIGHLIGHTTEXT);
- }
- else // !selected
+ // selection colours should override ours,
+ // otherwise it is too confusing ot the user
+ if ( !(nmcd.uItemState & CDIS_SELECTED) )
{
wxColour colBack;
if ( attr->HasBackgroundColour() )
{
colBack = attr->GetBackgroundColour();
+ lptvcd->clrTextBk = wxColourToRGB(colBack);
}
- else
+ }
+
+ // but we still want to keep the special foreground
+ // colour when we don't have focus (we can't keep
+ // it when we do, it would usually be unreadable on
+ // the almost inverted bg colour...)
+ if ( !(nmcd.uItemState & CDIS_SELECTED) ||
+ FindFocus() != this )
+ {
+ wxColour colText;
+ if ( attr->HasTextColour() )
{
- colBack = GetBackgroundColour();
+ colText = attr->GetTextColour();
+ lptvcd->clrText = wxColourToRGB(colText);
}
-
- lptvcd->clrText = wxColourToRGB(colText);
- lptvcd->clrTextBk = wxColourToRGB(colBack);
}
- // note that if we wanted to set colours for
- // individual columns (subitems), we would have
- // returned CDRF_NOTIFYSUBITEMREDRAW from here
- if ( hFont )
+ if ( attr->HasFont() )
{
+ HFONT hFont = GetHfontOf(attr->GetFont());
+
::SelectObject(nmcd.hdc, hFont);
*result = CDRF_NEWFONT;
}
- else
+ else // no specific font
{
*result = CDRF_DODEFAULT;
}
DeleteTextCtrl();
break;
+ case TVN_GETINFOTIP:
+ {
+ // If the user permitted a tooltip change, change it
+ if (event.IsAllowed())
+ {
+ SetToolTip(event.m_label);
+ }
+ }
+ break;
+
case TVN_SELCHANGING:
case TVN_ITEMEXPANDING:
// return true to prevent the action from happening