+bool wxListBox::IsSelected( int n ) const
+{
+ wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid listbox") );
+
+ GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
+
+ GtkTreeIter iter;
+ wxCHECK_MSG( GTKGetIteratorFor(n, &iter), false, wxT("Invalid index") );
+
+ return gtk_tree_selection_iter_is_selected(selection, &iter);
+}
+
+void wxListBox::DoSetSelection( int n, bool select )
+{
+ wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
+
+ GTKDisableEvents();
+
+ GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
+
+ // passing -1 to SetSelection() is documented to deselect all items
+ if ( n == wxNOT_FOUND )
+ {
+ gtk_tree_selection_unselect_all(selection);
+ GTKEnableEvents();
+ return;
+ }
+
+ wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetSelection") );
+
+
+ GtkTreeIter iter;
+ wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("Invalid index") );
+
+ if (select)
+ gtk_tree_selection_select_iter(selection, &iter);
+ else
+ gtk_tree_selection_unselect_iter(selection, &iter);
+
+ GtkTreePath* path = gtk_tree_model_get_path(
+ GTK_TREE_MODEL(m_liststore), &iter);
+
+ gtk_tree_view_scroll_to_cell(m_treeview, path, NULL, FALSE, 0.0f, 0.0f);
+
+ gtk_tree_path_free(path);
+
+ GTKEnableEvents();
+}
+
+void wxListBox::DoScrollToCell(int n, float alignY, float alignX)
+{
+ wxCHECK_RET( m_treeview, wxT("invalid listbox") );
+ wxCHECK_RET( IsValid(n), wxT("invalid index"));
+
+ //RN: I have no idea why this line is needed...
+ if (gdk_pointer_is_grabbed () && gtk_widget_has_grab(GTK_WIDGET(m_treeview)))
+ return;
+
+ GtkTreeIter iter;
+ if ( !GTKGetIteratorFor(n, &iter) )
+ return;
+
+ GtkTreePath* path = gtk_tree_model_get_path(
+ GTK_TREE_MODEL(m_liststore), &iter);
+
+ // Scroll to the desired cell (0.0 == topleft alignment)
+ gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
+ TRUE, alignY, alignX);
+
+ gtk_tree_path_free(path);
+}
+
+void wxListBox::DoSetFirstItem(int n)
+{
+ DoScrollToCell(n, 0, 0);
+}
+
+void wxListBox::EnsureVisible(int n)
+{
+ DoScrollToCell(n, 0.5, 0);
+}
+
+// ----------------------------------------------------------------------------
+// hittest
+// ----------------------------------------------------------------------------
+
+int wxListBox::DoListHitTest(const wxPoint& point) const
+{
+ // gtk_tree_view_get_path_at_pos() also gets items that are not visible and
+ // we only want visible items we need to check for it manually here
+ if ( !GetClientRect().Contains(point) )
+ return wxNOT_FOUND;
+
+ // need to translate from master window since it is in client coords
+ gint binx, biny;
+ gdk_window_get_geometry(gtk_tree_view_get_bin_window(m_treeview),
+ &binx, &biny, NULL, NULL, NULL);
+
+ GtkTreePath* path;
+ if ( !gtk_tree_view_get_path_at_pos
+ (
+ m_treeview,
+ point.x - binx,
+ point.y - biny,
+ &path,
+ NULL, // [out] column (always 0 here)
+ NULL, // [out] x-coord relative to the cell (not interested)
+ NULL // [out] y-coord relative to the cell
+ ) )
+ {
+ return wxNOT_FOUND;
+ }
+
+ int index = gtk_tree_path_get_indices(path)[0];
+ gtk_tree_path_free(path);
+
+ return index;
+}
+
+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------
+
+GtkWidget *wxListBox::GetConnectWidget()
+{
+ // the correct widget for listbox events (such as mouse clicks for example)
+ // is m_treeview, not the parent scrolled window
+ return GTK_WIDGET(m_treeview);
+}
+
+GdkWindow *wxListBox::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
+{
+ return gtk_tree_view_get_bin_window(m_treeview);
+}
+
+void wxListBox::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+ if (m_hasBgCol && m_backgroundColour.IsOk())
+ {
+ GdkWindow *window = gtk_tree_view_get_bin_window(m_treeview);
+ if (window)
+ {
+ m_backgroundColour.CalcPixel( gdk_drawable_get_colormap( window ) );
+ gdk_window_set_background( window, m_backgroundColour.GetColor() );
+ gdk_window_clear( window );
+ }
+ }
+
+ gtk_widget_modify_style( GTK_WIDGET(m_treeview), style );
+}
+
+wxSize wxListBox::DoGetBestSize() const
+{
+ wxCHECK_MSG(m_treeview, wxDefaultSize, wxT("invalid tree view"));
+
+ // Start with a minimum size that's not too small
+ int cx, cy;
+ GetTextExtent( wxT("X"), &cx, &cy);
+ int lbWidth = 0;
+ int lbHeight = 10;
+
+ // Find the widest string.
+ const unsigned int count = GetCount();
+ if ( count )
+ {
+ int wLine;
+ for ( unsigned int i = 0; i < count; i++ )
+ {
+ GetTextExtent(GetString(i), &wLine, NULL);
+ if ( wLine > lbWidth )
+ lbWidth = wLine;
+ }
+ }
+
+ lbWidth += 3 * cx;
+
+ // And just a bit more for the checkbox if present and then some
+ // (these are rough guesses)
+#if wxUSE_CHECKLISTBOX
+ if ( m_hasCheckBoxes )
+ {
+ lbWidth += 35;
+ cy = cy > 25 ? cy : 25; // rough height of checkbox
+ }
+#endif
+
+ // Add room for the scrollbar
+ lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+
+ // Don't make the listbox too tall but don't make it too small neither
+ lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
+
+ wxSize best(lbWidth, lbHeight);
+ CacheBestSize(best);
+ return best;
+}
+
+// static
+wxVisualAttributes
+wxListBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new, true);
+}
projects / wxWidgets.git / blobdiff