mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-06-03 00:38:15 +02:00
* patch from Adrew Haines
git-svn-id: trunk@6881 -
This commit is contained in:
marc
parent
83030c9805
commit
519a2fc0ac
@ -50,6 +50,9 @@ type
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TreeModel: PGtkTreeModel;
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TreeSelection: PGtkTreeSelection;
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WidgetInfo: PWidgetInfo;
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//this is created and destroyed as needed
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//it only holds items which are about to be changed the list is emptied in Gtk2_ItemSelectionChanged
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ItemCache: TStringList;
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end;
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type
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@ -88,7 +91,7 @@ type
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class procedure ReCreateItems(const ALV: TCustomListView); virtual;
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class procedure SetPropertyInternal(const ALV: TCustomListView; const Widgets: PTVWidgets; const AProp: TListViewProperty; const AIsSet: Boolean);
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protected
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class procedure SetCallbacks(const AScrollWidget: PGtkWidget; var Widgets: TTVWidgets; const AWidgetInfo: PWidgetInfo); virtual;
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class procedure SetCallbacks(const AScrollWidget: PGtkWidget; const Widgets: PTVWidgets; const AWidgetInfo: PWidgetInfo); virtual;
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public
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// columns
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class procedure ColumnDelete(const ALV: TCustomListView; const AIndex: Integer); override;
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@ -219,13 +222,12 @@ type
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implementation
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// Will be used commonly for ListViews and TreeViews
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procedure GetCommonTreeViewWidgets(ATreeViewHandle: PGtkWidget; var TVWidgets: TTVWidgets);
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procedure GetCommonTreeViewWidgets(ATreeViewHandle: PGtkWidget; var TVWidgets: PTVWidgets);
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var
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WidgetInfo: PWidgetInfo;
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begin
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WidgetInfo := GetWidgetInfo(ATreeViewHandle);
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TVWidgets := PTVWidgets(WidgetInfo^.UserData)^;
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TVWidgets.WidgetInfo := WidgetInfo;
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TVWidgets := PTVWidgets(WidgetInfo^.UserData);
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end;
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function AlignToGtkAlign(Align: TAlignment): gfloat;
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@ -14,46 +14,202 @@
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* *
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*****************************************************************************
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}
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type
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TLVHack = class(TCustomListView)
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end;
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////////////////////////////////////////
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//// Event Code /////////////////////
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////////////////////////////////////////
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function Gtk2WSLV_ItemSelected(selection: PGtkTreeSelection; model: PGtkTreeModel;
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path: PGtkTreePath; path_is_currently_selected: GBoolean; WidgetInfo: PWidgetInfo): GBoolean; cdecl;
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procedure Gtk2_ItemFocusChanged(treeview: PGtkTreeView; WidgetInfo: PWidgetInfo);cdecl;
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var
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msg: TLMNotify;
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NM: TNMListView;
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path: PGtkTreePath;
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column: PGtkTreeViewColumn;
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begin
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//DebugLn('Gtk2_ItemFocusChanged');
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// the defocus of the oldrow isn't send
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gtk_tree_view_get_cursor(treeview, path, column);
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if path = nil then exit;
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gtk_tree_path_free(path);
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msg.Msg := CN_NOTIFY;
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FillChar(NM, SizeOf(NM), 0);
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NM.hdr.hwndfrom := longint(WidgetInfo^.CoreWidget);
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NM.hdr.code := LVN_ITEMCHANGED;
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NM.iItem := StrToInt(gtk_tree_path_to_string(path));
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NM.iSubItem := 0;
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NM.uNewState := LVIS_FOCUSED;
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NM.uChanged := LVIF_STATE;
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msg.NMHdr := @NM;
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DeliverMessage(WidgetInfo^.LCLObject, msg);
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end;
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procedure Gtk2_ItemDeleted(model: PGtkTreeModel; path: PGtkTreePath; WidgetInfo: PWidgetInfo); cdecl;
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var
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msg: TLMNotify;
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NM: TNMListView;
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r: Boolean;
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ALV: TLVHack;
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Widgets: PTVWidgets;
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begin
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//DebugLn('Gtk2_ItemDeleted');
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msg.Msg := CN_NOTIFY;
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FillChar(NM, SizeOf(NM), 0);
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NM.hdr.hwndfrom := longint(WidgetInfo^.CoreWidget);
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NM.hdr.code := LVN_DELETEITEM;
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NM.iItem := StrToInt(gtk_tree_path_to_string(path));
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msg.NMHdr := @NM;
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DeliverMessage(WidgetInfo^.LCLObject, msg);
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ALV := TLVHack(WidgetInfo^.LCLObject);
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if ALV.Items.Count = 0 then begin
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Widgets := PTVWidgets(WidgetInfo^.UserData);
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Widgets^.ItemCache.Free;
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Widgets^.ItemCache := nil;
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end;
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end;
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procedure Gtk2_ItemInserted(model: PGtkTreeModel; path: PGtkTreePAth; Iter: PGtkTreeIter; WidgetInfo: PWidgetInfo); cdecl;
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var
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msg: TLMNotify;
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NM: TNMListView;
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r: Boolean;
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begin
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//DebugLn('Gtk2_ItemInserted');
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msg.Msg := CN_NOTIFY;
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FillChar(NM, SizeOf(NM), 0);
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NM.hdr.hwndfrom := longint(WidgetInfo^.CoreWidget);
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NM.hdr.code := LVN_INSERTITEM;
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NM.iItem := StrToInt(gtk_tree_path_to_string(path));
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msg.NMHdr := @NM;
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DeliverMessage(WidgetInfo^.LCLObject, msg);
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end;
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//This is only for when the tree view sorts itself. Not needed since the LCL does the sorting.
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//procedure Gtk2_ItemMoved(model: PGtkTreeModel; path: PGtkTreePAth; Iter: PGtkTreeIter; WidgetInfo: PWidgetInfo); cdecl;
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//begin
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//end;
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procedure Gtk2_ItemChanged(model: PGtkTreeModel; path: PGtkTreePAth; Iter: PGtkTreeIter; WidgetInfo: PWidgetInfo); cdecl;
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begin
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// OnChange Occurs immediately after an item in the list changes.
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// The Item parameter is the list item that just changed. The Change parameter
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// indicates the type of change that just occurred. Change is ctText if the
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// Caption property of the item changed. Change is ctImage if the ImageIndex
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// property of the item changed or the appropriate image list changed in the
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// list view. Change is ctState if the Cut, Focused, or Selected property of
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// the item changed.
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//DebugLn('Gtk2_ItemChanged');
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end;
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procedure Gtk2_ColumnClicked(column: PGtkTreeViewColumn; WidgetInfo: PWidgetInfo); cdecl;
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var
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AColumn: TListColumn;
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msg: TLMNotify;
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NM: TNMListView;
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begin
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AColumn := TListColumn(g_object_get_data(G_OBJECT(column), 'TListColumn'));
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msg.Msg := CN_NOTIFY;
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FillChar(NM, SizeOf(NM), 0);
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NM.hdr.hwndfrom := longint(WidgetInfo^.CoreWidget);
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NM.hdr.code := LVN_COLUMNCLICK;
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NM.iItem := -1;
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NM.iSubItem := AColumn.Index;
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msg.NMHdr := @NM;
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DeliverMessage(WidgetInfo^.LCLObject, msg);
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end;
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procedure Gtk2_ItemSelectionChanged(selection: PGtkTreeSelection; WidgetInfo: PWidgetInfo); cdecl;
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var
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msg: TLMNotify;
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NM: TNMListView;
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Widgets: PTVWidgets;
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AIndex: String;
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i: Integer;
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begin
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//DebugLn('Gtk2_ItemSelectionChanged');
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Widgets := PTVWidgets(WidgetInfo^.UserData);
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msg.Msg := CN_NOTIFY;
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for i := 0 to Widgets^.ItemCache.Count -1 do begin
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FillChar(NM, SizeOf(NM), 0);
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NM.hdr.hwndfrom := longint(Widgets^.MainView);
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NM.hdr.code := LVN_ITEMCHANGED;
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AIndex := Widgets^.ItemCache.Strings[i];
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NM.iItem := StrToInt(AIndex);
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NM.iSubItem := 0;//AColumn;
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if Widgets^.ItemCache.Objects[i] <> nil then
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NM.uOldState := LVIS_SELECTED
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else
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NM.uNewState := LVIS_SELECTED;
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NM.uChanged := LVIF_STATE;
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msg.NMHdr := @NM;
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DeliverMessage(WidgetInfo^.LCLObject, msg);
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end;
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Widgets^.ItemCache.Clear;
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end;
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function Gtk2WSLV_ItemSelected(selection: PGtkTreeSelection; model: PGtkTreeModel;
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path: PGtkTreePath; path_is_currently_selected: GBoolean; WidgetInfo: PWidgetInfo): GBoolean; cdecl;
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var
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Widgets: PTVWidgets;
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i: Integer;
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Str: String;
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msg: TLMNotify;
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NM: TNMListView;
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begin
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//DebugLn('Gtk2_ItemSelected');
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// this function is called *before* the item is selected
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// The result should be True to allow the Item to change selection
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Result := True;
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Widgets := PTVWidgets(WidgetInfo^.UserData);
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msg.Msg := CN_NOTIFY;
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Str := gtk_tree_path_to_string(path);
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FillChar(NM, SizeOf(NM), 0);
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NM.hdr.hwndfrom := longint(Widgets^.MainView);
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NM.hdr.code := LVN_ITEMCHANGED;
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AIndex := gtk_tree_path_to_string(path);
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NM.iItem := StrToInt(AIndex);
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NM.hdr.hwndfrom := longint(WidgetInfo^.CoreWidget);
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NM.hdr.code := LVN_ITEMCHANGING;
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NM.iItem := StrToInt(Str);
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NM.iSubItem := 0;//AColumn;
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if path_is_currently_selected then
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NM.uOldState := LVIS_SELECTED
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else
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NM.uNewState := LVIS_SELECTED;
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NM.uNewState := LVIS_SELECTED;
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NM.uChanged := LVIF_STATE;
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msg.NMHdr := @NM;
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{Result := }DeliverMessage(WidgetInfo^.LCLObject, msg){ = 0};
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if not Result then Exit;
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Result := DeliverMessage(WidgetInfo^.LCLObject, msg) = 0;
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// this stops a loop when you use the shift key to select multiple entries
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for i := 0 to Widgets^.ItemCache.Count-1 do begin
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if (Widgets^.ItemCache.Strings[i] = Str) and (Widgets^.ItemCache.Objects[i] = TObject(Ord(path_is_currently_selected)))
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then begin
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Result := False;
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Exit;
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end;
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end;
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WIdgets^.ItemCache.AddObject(Str,TObject(Ord(path_is_currently_selected)));
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end;
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{ TGtk2WSCustomListView }
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type
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TLVHack = class(TCustomListView)
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end;
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function TGtk2WSCustomListView.IsIconView(const ALV: TCustomListView): Boolean;
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@ -87,13 +243,13 @@ end;
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procedure TGtk2WSCustomListView.ReCreateItems(const ALV: TCustomListView);
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var
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Widgets: TTVWidgets;
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Widgets: PTVWidgets;
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i,x: Integer;
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Item: TListItem;
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begin
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GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
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gtk_list_store_clear(PGtkListStore(Widgets.TreeModel));
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gtk_list_store_clear(PGtkListStore(Widgets^.TreeModel));
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for i := 0 to ALV.Items.Count-1 do begin
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Item := ALV.Items.Item[i];
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ItemInsert(ALV, i , Item);
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@ -173,17 +329,28 @@ begin
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end;
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procedure TGtk2WSCustomListView.SetCallbacks(const AScrollWidget: PGtkWidget;
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var Widgets: TTVWidgets; const AWidgetInfo: PWidgetInfo);
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const Widgets: PTVWidgets; const AWidgetInfo: PWidgetInfo);
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begin
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TGtkWSBaseScrollingWinControl.SetCallbacks(AScrollWidget, AWidgetInfo);
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TGtkWSWinControl.SetCallbacks(PGtkObject(Widgets.MainView), TComponent(AWidgetInfo^.LCLObject));
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// gtk_tree_selection_set_select_function(Widgets.TreeSelection,TGtkTreeSelectionFunc(@Gtk2WSLV_ItemSelected), gpointer(AWidgetInfo),nil);
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TGtkWSWinControl.SetCallbacks(PGtkObject(Widgets^.MainView), TComponent(AWidgetInfo^.LCLObject));
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// the callbacks for OnColumnClick are set when the column is created in ColumnInsert
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gtk_tree_selection_set_select_function(Widgets^.TreeSelection,TGtkTreeSelectionFunc(@Gtk2WSLV_ItemSelected), gpointer(AWidgetInfo),nil);
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SignalConnect(PGtkWidget(Widgets^.TreeSelection), 'changed', @Gtk2_ItemSelectionChanged, AWidgetInfo);
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SignalConnect(PGtkWidget(Widgets^.TreeModel), 'row-changed', @Gtk2_ItemChanged, AWidgetInfo);
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SignalConnect(PGtkWidget(Widgets^.TreeModel), 'row-inserted', @Gtk2_ItemInserted, AWidgetInfo);
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SignalConnect(PGtkWidget(Widgets^.TreeModel), 'row-deleted', @Gtk2_ItemDeleted, AWidgetInfo);
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SignalConnect(PGtkWidget(Widgets^.MainView), 'toggle-cursor-row', @Gtk2_ItemFocusChanged, AWidgetInfo);
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end;
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procedure TGtk2WSCustomListView.ColumnDelete(const ALV: TCustomListView;
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const AIndex: Integer);
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var
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Widgets: TTVWidgets;
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Widgets: PTVWidgets;
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GtkColumn: PGtkTreeViewColumn;
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begin
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if not WSCheckHandleAllocated(ALV, 'ColumnDelete')
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@ -191,10 +358,10 @@ begin
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GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
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ReCreateListStore(ALV, PTVWidgets(Widgets.WidgetInfo^.UserData));
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ReCreateListStore(ALV, PTVWidgets(Widgets^.WidgetInfo^.UserData));
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ReCreateItems(ALV);
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with Widgets do begin
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with Widgets^ do begin
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GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
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gtk_tree_view_remove_column(PGtkTreeView(MainView), GtkColumn);
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end;
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@ -203,7 +370,7 @@ end;
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function TGtk2WSCustomListView.ColumnGetWidth(const ALV: TCustomListView;
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const AIndex: Integer; const AColumn: TListColumn): Integer;
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var
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Widgets: TTVWidgets;
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Widgets: PTVWidgets;
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GtkColumn: PGtkTreeViewColumn;
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i: Integer;
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begin
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@ -213,7 +380,7 @@ begin
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then Exit;
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GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
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with Widgets do begin
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with Widgets^ do begin
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i := AColumn.Index;
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GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), i);
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Result := gtk_tree_view_column_get_width(GtkColumn);
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@ -223,7 +390,7 @@ end;
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procedure TGtk2WSCustomListView.ColumnInsert(const ALV: TCustomListView;
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const AIndex: Integer; const AColumn: TListColumn);
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var
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Widgets: TTVWidgets;
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Widgets: PTVWidgets;
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column: PGtkTreeViewColumn;
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pixrenderer,
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textrenderer: PGtkCellRenderer;
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@ -238,15 +405,18 @@ begin
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GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
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if gtk_tree_model_get_n_columns(Widgets.TreeModel) div 2 < ALV.Columns.Count then begin
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if gtk_tree_model_get_n_columns(Widgets^.TreeModel) div 2 < ALV.Columns.Count then begin
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ReCreateListStore(ALV, PTVWidgets(Widgets.WidgetInfo^.UserData));
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ReCreateListStore(ALV, PTVWidgets(Widgets^.WidgetInfo^.UserData));
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ReCreateItems(ALV);
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GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
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end;
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column := gtk_tree_view_column_new();
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gtk_widget_unset_flags(PGtkWidget(column), GTK_CAN_FOCUS);
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// add renderers
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pixrenderer := gtk_cell_renderer_pixbuf_new();
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textrenderer := gtk_cell_renderer_text_new();
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@ -256,9 +426,17 @@ begin
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gtk_tree_view_column_pack_start(column, textrenderer, True);
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gtk_tree_view_column_set_attributes(column, textrenderer, ['text',RealIndex+ 1, nil]);
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//store the TColumn in the column data for callbacks
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g_object_set_data(G_OBJECT(column), PChar('TListColumn'), gpointer(AColumn));
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// set callback for OnClick
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SignalConnect(PGtkWidget(column), 'clicked', @Gtk2_ColumnClicked, Widgets^.WidgetInfo);
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// insert column
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gtk_tree_view_insert_column(GTK_TREE_VIEW(Widgets.MainView), Column, AIndex);
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gtk_tree_view_insert_column(GTK_TREE_VIEW(Widgets^.MainView), Column, AIndex);
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//set clickable
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gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
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// dont set these here, it will be set by the lcl
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(*
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// set title
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@ -273,8 +451,7 @@ begin
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// set MaxWidth
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if AColumn.MaxWidth > 0 then
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gtk_tree_view_column_set_max_width(Column, AColumn.MaxWidth);
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//set clickable
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gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
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//set resizable
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gtk_tree_view_column_set_resizable(GTK_TREE_VIEW_COLUMN (column), True);
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@ -284,7 +461,7 @@ end;
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procedure TGtk2WSCustomListView.ColumnMove(const ALV: TCustomListView;
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const AOldIndex, ANewIndex: Integer; const AColumn: TListColumn);
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var
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Widgets: TTVWidgets;
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Widgets: PTVWidgets;
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Column: PGtkTreeViewColumn;
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PrevColumn: PGtkTreeViewColumn;
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begin
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@ -292,7 +469,7 @@ begin
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then Exit;
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GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
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with Widgets do begin
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with Widgets^ do begin
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Column := gtk_tree_view_get_column(PGtkTreeView(MainView), AOldIndex);
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if ANewIndex = 0 then PrevColumn := nil
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else PrevColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), ANewIndex-1);
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@ -304,26 +481,26 @@ procedure TGtk2WSCustomListView.ColumnSetAlignment(const ALV: TCustomListView;
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const AIndex: Integer; const AColumn: TListColumn;
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const AAlignment: TAlignment);
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var
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Widgets: TTVWidgets;
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Widgets: PTVWidgets;
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GtkColumn: PGtkTreeViewColumn;
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begin
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if not WSCheckHandleAllocated(ALV, 'ColumnSetAlignment')
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then Exit;
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GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
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with Widgets do begin
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with Widgets^ do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
|
||||
|
||||
gtk_tree_view_column_set_alignment(GtkColumn, AlignToGtkAlign(AAlignment));
|
||||
end;
|
||||
DebugLn('ColSetALignment AIndex=',IntTOStr(AIndex),' (GtkColumn=nil)=', BoolToStr(GtkColumn=nil));
|
||||
//DebugLn('ColSetALignment AIndex=',IntTOStr(AIndex),' (GtkColumn=nil)=', BoolToStr(GtkColumn=nil));
|
||||
|
||||
end;
|
||||
|
||||
procedure TGtk2WSCustomListView.ColumnSetAutoSize(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AColumn: TListColumn; const AAutoSize: Boolean);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
GtkColumn: PGtkTreeViewColumn;
|
||||
ColSizing: TGtkTreeViewColumnSizing;
|
||||
begin
|
||||
@ -331,7 +508,7 @@ begin
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
|
||||
if AAutoSize then
|
||||
ColSizing := GTK_TREE_VIEW_COLUMN_AUTOSIZE
|
||||
@ -347,14 +524,14 @@ end;
|
||||
procedure TGtk2WSCustomListView.ColumnSetCaption(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AColumn: TListColumn; const ACaption: String);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
GtkColumn: PGtkTreeViewColumn;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'ColumnSetCaption')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
|
||||
gtk_tree_view_column_set_title(GtkColumn, PChar(ACaption));
|
||||
end;
|
||||
@ -367,20 +544,20 @@ begin
|
||||
if not WSCheckHandleAllocated(ALV, 'ColumnSetImage')
|
||||
then Exit;
|
||||
|
||||
DebugLn('TODO: Gtk2. TGtk2WSCustomListView.ColumnSetImage');
|
||||
//DebugLn('TODO: Gtk2. TGtk2WSCustomListView.ColumnSetImage');
|
||||
end;
|
||||
|
||||
procedure TGtk2WSCustomListView.ColumnSetMaxWidth(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AColumn: TListColumn; const AMaxWidth: Integer);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
GtkColumn: PGtkTreeViewColumn;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'ColumnSetMaxWidth')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
|
||||
gtk_tree_view_column_set_max_width(GtkColumn, AMaxWidth - Ord(AMaxWidth=0));
|
||||
end;
|
||||
@ -389,14 +566,14 @@ end;
|
||||
procedure TGtk2WSCustomListView.ColumnSetMinWidth(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AColumn: TListColumn; const AMinWidth: integer);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
GtkColumn: PGtkTreeViewColumn;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'ColumnSetMinWidth')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
|
||||
gtk_tree_view_column_set_min_width(GtkColumn, AMinWidth - Ord(AMinWidth=0));
|
||||
end;
|
||||
@ -404,14 +581,14 @@ end;
|
||||
|
||||
procedure TGtk2WSCustomListView.ColumnSetWidth(const ALV: TCustomListView; const AIndex: Integer; const AColumn: TListColumn; const AWidth: Integer);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
GtkColumn: PGtkTreeViewColumn;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'ColumnSetWidth')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
|
||||
gtk_tree_view_column_set_fixed_width(GtkColumn, AWidth + Ord(AWidth<1));
|
||||
end;
|
||||
@ -420,23 +597,26 @@ end;
|
||||
procedure TGtk2WSCustomListView.ColumnSetVisible(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AColumn: TListColumn; const AVisible: Boolean);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
GtkColumn: PGtkTreeViewColumn;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'ColumnSetVisible')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(MainView), AIndex);
|
||||
gtk_tree_view_column_set_visible(GtkColumn, AVisible);
|
||||
g_object_set_data(G_OBJECT(GtkColumn), PChar('Visible'), gpointer(Integer(Ord(AVisible))));
|
||||
if TLVHack(ALV).ViewStyle = vsReport then begin
|
||||
gtk_tree_view_column_set_visible(GtkColumn, AVisible);
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TGtk2WSCustomListView.ItemDelete(const ALV: TCustomListView;
|
||||
const AIndex: Integer);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Iter: TGtkTreeIter;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'ItemDelete')
|
||||
@ -444,7 +624,7 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
if gtk_tree_model_iter_nth_child(TreeModel, @Iter, nil, AIndex) then
|
||||
begin
|
||||
gtk_list_store_remove(TreeModel, @Iter);
|
||||
@ -456,7 +636,7 @@ function TGtk2WSCustomListView.ItemGetState(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AItem: TListItem; const AState: TListItemState;
|
||||
var AIsSet: Boolean): Boolean;
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Iter: TGtkTreeIter;
|
||||
begin
|
||||
Result := False;
|
||||
@ -468,7 +648,7 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
if gtk_tree_model_iter_nth_child(TreeModel, @Iter, nil, AIndex) then
|
||||
begin
|
||||
case AState of
|
||||
@ -497,7 +677,7 @@ end;
|
||||
procedure TGtk2WSCustomListView.ItemInsert(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AItem: TListItem);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Iter: TGtkTreeIter;
|
||||
// BitImage: TBitmap;
|
||||
begin
|
||||
@ -506,7 +686,10 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
if ItemCache = nil then begin
|
||||
ItemCache := TStringList.Create;
|
||||
end;
|
||||
if AIndex = -1 then
|
||||
gtk_list_store_append(PGtkListStore(TreeModel), @Iter)
|
||||
else
|
||||
@ -532,7 +715,7 @@ procedure TGtk2WSCustomListView.ItemSetImage(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AItem: TListItem; const ASubIndex,
|
||||
AImageIndex: Integer);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Iter: TGtkTreeIter;
|
||||
BitImage: TBitmap;
|
||||
begin
|
||||
@ -541,7 +724,7 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
//Icon
|
||||
if gtk_tree_model_iter_nth_child(TreeModel, @Iter, nil, AIndex) then begin
|
||||
if (TLVHack(ALV).SmallImages <> nil)
|
||||
@ -562,7 +745,7 @@ procedure TGtk2WSCustomListView.ItemSetState(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AItem: TListItem; const AState: TListItemState;
|
||||
const AIsSet: Boolean);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Iter: TGtkTreeIter;
|
||||
Path: PGtkTreePath;
|
||||
begin
|
||||
@ -571,7 +754,7 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
if gtk_tree_model_iter_nth_child(TreeModel, @Iter, nil, AIndex) then
|
||||
begin
|
||||
case AState of
|
||||
@ -615,7 +798,7 @@ procedure TGtk2WSCustomListView.ItemSetText(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AItem: TListItem; const ASubIndex: Integer;
|
||||
const AText: String);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Iter: TGtkTreeIter;
|
||||
Str: String;
|
||||
begin
|
||||
@ -623,7 +806,7 @@ begin
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
gtk_tree_model_iter_nth_child(TreeModel, @Iter, nil, AIndex);
|
||||
if ASubIndex = 0 then
|
||||
Str := AItem.Caption
|
||||
@ -638,7 +821,7 @@ end;
|
||||
procedure TGtk2WSCustomListView.ItemShow(const ALV: TCustomListView;
|
||||
const AIndex: Integer; const AItem: TListItem; const PartialOK: Boolean);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Path: PGtkTreePath;
|
||||
StrIndex: String;
|
||||
begin
|
||||
@ -650,7 +833,7 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
Path := gtk_tree_path_new_from_string(PChar(StrIndex));
|
||||
gtk_tree_view_scroll_to_cell(PGtkTreeView(MainView),Path,nil,false,0,0);
|
||||
gtk_tree_path_free(Path);
|
||||
@ -692,6 +875,7 @@ begin
|
||||
|
||||
New(Widgets);
|
||||
with Widgets^ do begin
|
||||
ItemCache := nil;
|
||||
GetMem(GTypeArray, SizeOf(GType)*(nColumns{+1}));
|
||||
for i := 0 to (nColumns div 2) -1 do begin
|
||||
GTypeArray[i*2] := GDK_TYPE_PIXBUF;
|
||||
@ -720,12 +904,12 @@ begin
|
||||
WidgetInfo^.UserData := Widgets;
|
||||
|
||||
Dispose(OrigScrollingData);
|
||||
Widgets^.WidgetInfo^.CoreWidget := PGtkWidget(Widgets^.MainView);
|
||||
WidgetInfo^.CoreWidget := PGtkWidget(MainView);
|
||||
//SetMainWidget(ScrollWidget, MainView);
|
||||
//GetWidgetInfo(ScrollWidget, True)^.CoreWidget := PGtkWidget(MainView);
|
||||
gtk_widget_show_all(PGtkWidget(Widgets^.MainView));
|
||||
gtk_widget_show_all(PGtkWidget(MainView));
|
||||
|
||||
SetCallbacks(PGtkWidget(ScrollWidget), Widgets^, WidgetInfo);
|
||||
SetCallbacks(PGtkWidget(ScrollWidget), Widgets, WidgetInfo);
|
||||
// SetCallbacks(PGtkWidget(MainView), Widgets^, WidgetInfo);
|
||||
end;
|
||||
|
||||
@ -738,28 +922,28 @@ end;
|
||||
|
||||
procedure TGtk2WSCustomListView.BeginUpdate(const ALV: TCustomListView);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'BeginUpdate')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
g_object_ref(Widgets.TreeModel);
|
||||
g_object_ref(Widgets^.TreeModel);
|
||||
|
||||
gtk_tree_view_set_model(PGtkTreeView(Widgets.MainView), nil);
|
||||
gtk_tree_view_set_model(PGtkTreeView(Widgets^.MainView), nil);
|
||||
end;
|
||||
|
||||
procedure TGtk2WSCustomListView.EndUpdate(const ALV: TCustomListView);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'EndUpdate')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
gtk_tree_view_set_model(PGtkTreeView(Widgets.MainView), Widgets.TreeModel);
|
||||
g_object_unref(Widgets.TreeModel);
|
||||
gtk_tree_view_set_model(PGtkTreeView(Widgets^.MainView), Widgets^.TreeModel);
|
||||
g_object_unref(Widgets^.TreeModel);
|
||||
end;
|
||||
|
||||
function TGtk2WSCustomListView.GetBoundingRect(const ALV: TCustomListView
|
||||
@ -770,13 +954,13 @@ begin
|
||||
if not WSCheckHandleAllocated(ALV, 'GetBoundingRect')
|
||||
then Exit;
|
||||
|
||||
DebugLn('TODO: TGtk2WSCustomListView.GetBoundingRect');
|
||||
//DebugLn('TODO: TGtk2WSCustomListView.GetBoundingRect');
|
||||
end;
|
||||
|
||||
function TGtk2WSCustomListView.GetDropTarget(const ALV: TCustomListView
|
||||
): Integer;
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
begin
|
||||
// TODO: implement
|
||||
Result := -1;
|
||||
@ -790,7 +974,7 @@ end;
|
||||
|
||||
function TGtk2WSCustomListView.GetFocused(const ALV: TCustomListView): Integer;
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Path: PGtkTreePath;
|
||||
Column: PGtkTreeViewColumn;
|
||||
begin
|
||||
@ -801,7 +985,7 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
gtk_tree_view_get_cursor(PGtkTreeView(MainView), Path, Column);
|
||||
if Path <> nil
|
||||
then Result := StrToInt(PChar(Path));
|
||||
@ -811,7 +995,7 @@ end;
|
||||
function TGtk2WSCustomListView.GetHoverTime(const ALV: TCustomListView
|
||||
): Integer;
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
begin
|
||||
// TODO: implement
|
||||
Result := -1; // = default
|
||||
@ -819,10 +1003,10 @@ begin
|
||||
if not WSCheckHandleAllocated(ALV, 'GetHoverTime')
|
||||
then Exit;
|
||||
|
||||
DebugLn('TODO: TGtk2WSCustomListView.GetHoverTime');
|
||||
//DebugLn('TODO: TGtk2WSCustomListView.GetHoverTime');
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
|
||||
end;
|
||||
|
||||
@ -831,7 +1015,7 @@ end;
|
||||
function TGtk2WSCustomListView.GetSelCount(const ALV: TCustomListView
|
||||
): Integer;
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
AList: PGList;
|
||||
begin
|
||||
Result := 0;
|
||||
@ -840,7 +1024,7 @@ begin
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
AList := gtk_tree_selection_get_selected_rows(TreeSelection, nil);
|
||||
Result := g_list_length(AList);
|
||||
g_list_free(AList);
|
||||
@ -850,7 +1034,7 @@ end;
|
||||
function TGtk2WSCustomListView.GetSelection(const ALV: TCustomListView
|
||||
): Integer;
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Iter: PGtkTreeIter;
|
||||
Path: PGtkTreePath;
|
||||
begin
|
||||
@ -861,7 +1045,7 @@ begin
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
gtk_tree_selection_get_selected(TreeSelection, nil, @Iter);
|
||||
Path := gtk_tree_model_get_path(TreeModel, @Iter);
|
||||
Result := StrToInt(PChar(Path));
|
||||
@ -924,20 +1108,20 @@ end;
|
||||
procedure TGtk2WSCustomListView.SetProperty(const ALV: TCustomListView;
|
||||
const AProp: TListViewProperty; const AIsSet: Boolean);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'SetProperty')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
SetPropertyInternal(ALV, @Widgets, AProp, AIsSet);
|
||||
SetPropertyInternal(ALV, Widgets, AProp, AIsSet);
|
||||
end;
|
||||
|
||||
procedure TGtk2WSCustomListView.SetProperties(const ALV: TCustomListView;
|
||||
const AProps: TListViewProperties);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
Prop: TListViewProperty;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'SetProperties')
|
||||
@ -946,7 +1130,7 @@ begin
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
for Prop := Low(Prop) to High(Prop) do
|
||||
SetPropertyInternal(ALV, @Widgets, Prop, Prop in AProps);
|
||||
SetPropertyInternal(ALV, Widgets, Prop, Prop in AProps);
|
||||
end;
|
||||
|
||||
procedure TGtk2WSCustomListView.SetScrollBars(const ALV: TCustomListView;
|
||||
@ -980,14 +1164,14 @@ end;
|
||||
procedure TGtk2WSCustomListView.SetScrolledLeft(const ALV: TCustomListView;
|
||||
const AValue: Integer);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'SetScrolledLeft')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
gtk_tree_view_scroll_to_point(PGtkTreeView(MainView), AValue, -1);
|
||||
end;
|
||||
end;
|
||||
@ -995,14 +1179,14 @@ end;
|
||||
procedure TGtk2WSCustomListView.SetScrolledTop(const ALV: TCustomListView;
|
||||
const AValue: Integer);
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'SetScrolledTop')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
gtk_tree_view_scroll_to_point(PGtkTreeView(MainView), -1, AValue);
|
||||
end;
|
||||
end;
|
||||
@ -1017,17 +1201,38 @@ end;
|
||||
|
||||
procedure TGtk2WSCustomListView.SetViewStyle(const ALV: TCustomListView;
|
||||
const Avalue: TViewStyle);
|
||||
procedure ShowColumns(const Widgets: PTVWidgets; const Show: Boolean);
|
||||
var
|
||||
GtkColumn: PGtkTreeViewColumn;
|
||||
i: Integer;
|
||||
begin
|
||||
for i := 1 to ALV.Columns.Count-1 do begin
|
||||
GtkColumn := gtk_tree_view_get_column(PGtkTreeView(Widgets^.MainView), i);
|
||||
if not(Show) or (Show and Boolean(g_object_get_data(G_OBJECT(GtkColumn), PChar('Visible')))) then
|
||||
gtk_tree_view_column_set_visible(GtkColumn, Show);
|
||||
end;
|
||||
|
||||
end;
|
||||
var
|
||||
Widgets: TTVWidgets;
|
||||
Widgets: PTVWidgets;
|
||||
i: Integer;
|
||||
begin
|
||||
if not WSCheckHandleAllocated(ALV, 'SetViewStyle')
|
||||
then Exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ALV.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
ShowColumns(Widgets, AValue = vsReport);
|
||||
with Widgets^ do begin
|
||||
|
||||
case AValue of
|
||||
vsList: gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (MainView), False);
|
||||
vsReport: if TLVHack(ALV).ShowColumnHeaders = True then gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (MainView), True);
|
||||
vsList:
|
||||
begin
|
||||
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (MainView), False);
|
||||
end;
|
||||
vsReport:
|
||||
begin
|
||||
if TLVHack(ALV).ShowColumnHeaders = True then gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (MainView), True);
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
// inherited SetViewStyle(ALV, Avalue);
|
||||
@ -1049,7 +1254,7 @@ begin
|
||||
if Not(ACustomListView.HandleAllocated) then exit;
|
||||
|
||||
GetCommonTreeViewWidgets(PGtkWidget(ACustomListView.Handle), Widgets);
|
||||
with Widgets do begin
|
||||
with Widgets^ do begin
|
||||
// set up columns..
|
||||
for X := 0 to ACustomListView.Columns.Count-1 do begin;
|
||||
GtkColumn := gtk_tree_view_get_column(TreeView, X);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user