lazarus/lcl/interfaces/cocoa/cocoatables.pas

2046 lines
62 KiB
ObjectPascal

{ $Id: $}
{ --------------------------------------------
cocoatables.pas - Cocoa internal classes
--------------------------------------------
This unit contains the private classhierarchy for the Cocoa implemetations
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
unit CocoaTables;
{$mode objfpc}{$H+}
{$modeswitch objectivec2}
{$interfaces corba}
{$include cocoadefines.inc}
{.$DEFINE COCOA_DEBUG_LISTVIEW}
interface
uses
Classes, SysUtils,
LCLType, LCLMessageGlue, LMessages, Controls, Graphics,
ComCtrls, StdCtrls, ImgList, Forms,
MacOSAll, CocoaAll,
CocoaPrivate, Cocoa_Extra, CocoaCallback, CocoaListControl,
CocoaConst, CocoaConfig, CocoaWSCommon, CocoaUtils, CocoaGDIObjects,
CocoaListView, CocoaTextEdits;
type
{ TCocoaTableListItem }
TCocoaTableListItem = objcclass(NSTableCellView)
private
_tableView: NSTableView;
_column: NSTableColumn;
_checkBox: NSButton;
private
procedure createTextField; message 'createTextField';
procedure createImageView; message 'createImageView';
procedure createCheckBox; message 'createCheckBox';
public
procedure setColumn( column: NSTableColumn ); message 'setColumn:';
function checkBox: NSButton; message 'checkBox';
function fittingSize: NSSize; override;
procedure drawRect(dirtyRect: NSRect); override;
procedure loadView( row: Integer; col: Integer );
message 'loadView:col:';
procedure updateItemValue( row: NSInteger; col: NSInteger );
message 'updateItemValue:col:';
procedure updateItemLayout( row: NSInteger; col: NSInteger );
message 'updateItemLayout:col:';
procedure prepareForReuse; override;
procedure dealloc; override;
end;
{ TCocoaTableListView }
TCocoaTableListView = objcclass(
NSTableView,
NSTableViewDelegateProtocol,
NSTableViewDataSourceProtocol,
TCocoaListViewBackendControlProtocol )
private
_coocaInitializing: Boolean;
private
_processor: TCocoaTableViewProcessor;
_checkBoxes: Boolean;
_checkBoxAllowsMixed: Boolean;
public
iconSize: NSSize;
callback: TLCLListControlCallback;
selectingByProgram: Boolean;
dontSendOnChangeMessage: Boolean;
readOnly: Boolean;
isOwnerDraw : Boolean;
isDynamicRowHeight: Boolean;
CustomRowHeight: Integer;
ScrollWidth: Integer;
public
procedure backend_setCallback( cb:TLCLListViewCallback );
procedure backend_reloadData;
procedure backend_onInit;
public
procedure addSubview(aView: NSView); override;
procedure dealloc; override;
function lclGetPorcessor: TCocoaTableViewProcessor; message 'lclGetPorcessor';
procedure lclSetProcessor( processor: TCocoaTableViewProcessor ); message 'lclSetProcessor:';
procedure lclSetCheckBoxes( checkBoxes: Boolean ); message 'lclSetCheckBoxes:';
function lclHasCheckBoxes: Boolean; message 'lclHasCheckBoxes';
procedure lclSetCheckBoxAllowsMixed( allowsMixed: Boolean ); message 'lclSetCheckBoxAllowsMixed:';
function lclCheckBoxAllowsMixed: Boolean; message 'lclCheckBoxAllowsMixed';
function lclGetCanvas: TCanvas; message 'lclGetCanvas';
function tableView_viewForTableColumn_row(tableView: NSTableView; tableColumn: NSTableColumn; row: NSInteger): NSView;
function tableView_rowViewForRow(tableView: NSTableView; row: NSInteger): NSTableRowView;
procedure lclInsertItem(const AIndex: Integer); message 'lclInsertItem:';
procedure lclDeleteItem(const AIndex: Integer); message 'lclDeleteItem:';
procedure lclExchangeItem(const AIndex1: Integer; const AIndex2: Integer); message 'lclExchangeItem:AIndex2:';
procedure lclClearItem; message 'lclClearItem';
procedure checkboxAction(sender: NSButton); message 'checkboxAction:';
function acceptsFirstResponder: LCLObjCBoolean; override;
function lclGetCallback: ICommonCallback; override;
procedure lclClearCallback; override;
// Own methods, mostly convenience methods
function getIndexOfColumn(ACol: NSTableColumn): Integer; message 'getIndexOfColumn:';
procedure restoreFromStableSelection; message 'restoreFromStableSelection';
procedure reloadData; override;
procedure reloadDataForRow_column(ARow, ACol: NSInteger); message 'reloadDataForRow:column:';
procedure selectOneItemByIndex( index: Integer; isSelected: Boolean );
message 'selectOneItemByIndex:isSelected:';
procedure selectRowIndexesByProgram( indexes: NSIndexSet );
message 'selectRowIndexesByProgram:';
function initWithFrame(frameRect: NSRect): id; override;
function fittingSize: NSSize; override;
procedure drawRect(dirtyRect: NSRect); override;
procedure setNeedsDisplayInRect(invalidRect: NSRect); override;
function lclCallDrawItem( row: NSInteger; canvasRect: NSRect ): Boolean;
message 'lclCallDrawItem:canvasRect:';
function lclCallCustomDraw( row: Integer; col: Integer; canvasRect: NSRect ): Boolean;
message 'lclCallCustomDraw:col:canvasRect:';
// mouse
procedure mouseDown(event: NSEvent); override;
procedure mouseUp(event: NSEvent); override;
procedure rightMouseDown(event: NSEvent); override;
procedure rightMouseUp(event: NSEvent); override;
procedure otherMouseDown(event: NSEvent); override;
procedure otherMouseUp(event: NSEvent); override;
procedure mouseDragged(event: NSEvent); override;
procedure mouseEntered(event: NSEvent); override;
procedure mouseExited(event: NSEvent); override;
procedure mouseMoved(event: NSEvent); override;
// key
procedure lclExpectedKeys(var wantTabs, wantKeys, wantReturn, wantAllKeys: Boolean); override;
// NSTableViewDataSourceProtocol
function numberOfRowsInTableView(tableView: NSTableView): NSInteger; message 'numberOfRowsInTableView:';
//procedure tableView_sortDescriptorsDidChange(tableView: NSTableView; oldDescriptors: NSArray); message 'tableView:sortDescriptorsDidChange:';
//function tableView_writeRowsWithIndexes_toPasteboard(tableView: NSTableView; rowIndexes: NSIndexSet; pboard: NSPasteboard): Boolean; message 'tableView:writeRowsWithIndexes:toPasteboard:';
//function tableView_validateDrop_proposedRow_proposedDropOperation(tableView: NSTableView; info: NSDraggingInfoProtocol; row: NSInteger; dropOperation: NSTableViewDropOperation): NSDragOperation; message 'tableView:validateDrop:proposedRow:proposedDropOperation:';
//function tableView_acceptDrop_row_dropOperation(tableView: NSTableView; info: NSDraggingInfoProtocol; row: NSInteger; dropOperation: NSTableViewDropOperation): Boolean; message 'tableView:acceptDrop:row:dropOperation:';
//function tableView_namesOfPromisedFilesDroppedAtDestination_forDraggedRowsWithIndexes(tableView: NSTableView; dropDestination: NSURL; indexSet: NSIndexSet): NSArray; message 'tableView:namesOfPromisedFilesDroppedAtDestination:forDraggedRowsWithIndexes:';
// NSTableViewDelegateProtocol
//procedure tableView_willDisplayCell_forTableColumn_row(tableView: NSTableView; cell: id; tableColumn: NSTableColumn; row: NSInteger); message 'tableView:willDisplayCell:forTableColumn:row:';
function tableView_shouldEditTableColumn_row(tableView: NSTableView; tableColumn: NSTableColumn; row: NSInteger): Boolean; message 'tableView:shouldEditTableColumn:row:';
function selectionShouldChangeInTableView(tableView: NSTableView): Boolean; message 'selectionShouldChangeInTableView:';
function tableView_shouldSelectRow(tableView: NSTableView; row: NSInteger): Boolean; message 'tableView:shouldSelectRow:';
{function tableView_selectionIndexesForProposedSelection(tableView: NSTableView; proposedSelectionIndexes: NSIndexSet): NSIndexSet; message 'tableView:selectionIndexesForProposedSelection:';
function tableView_shouldSelectTableColumn(tableView: NSTableView; tableColumn: NSTableColumn): Boolean; message 'tableView:shouldSelectTableColumn:';
procedure tableView_mouseDownInHeaderOfTableColumn(tableView: NSTableView; tableColumn: NSTableColumn); message 'tableView:mouseDownInHeaderOfTableColumn:';}
procedure tableView_didClickTableColumn(tableView: NSTableView; tableColumn: NSTableColumn); message 'tableView:didClickTableColumn:';
{procedure tableView_didDragTableColumn(tableView: NSTableView; tableColumn: NSTableColumn); message 'tableView:didDragTableColumn:';
function tableView_toolTipForCell_rect_tableColumn_row_mouseLocation(tableView: NSTableView; cell: NSCell; rect: NSRectPointer; tableColumn: NSTableColumn; row: NSInteger; mouseLocation: NSPoint): NSString; message 'tableView:toolTipForCell:rect:tableColumn:row:mouseLocation:';}
function tableView_heightOfRow(tableView: NSTableView; row: NSInteger): CGFloat; message 'tableView:heightOfRow:';
{function tableView_typeSelectStringForTableColumn_row(tableView: NSTableView; tableColumn: NSTableColumn; row: NSInteger): NSString; message 'tableView:typeSelectStringForTableColumn:row:';
function tableView_nextTypeSelectMatchFromRow_toRow_forString(tableView: NSTableView; startRow: NSInteger; endRow: NSInteger; searchString: NSString): NSInteger; message 'tableView:nextTypeSelectMatchFromRow:toRow:forString:';
function tableView_shouldTypeSelectForEvent_withCurrentSearchString(tableView: NSTableView; event: NSEvent; searchString: NSString): Boolean; message 'tableView:shouldTypeSelectForEvent:withCurrentSearchString:';
function tableView_shouldShowCellExpansionForTableColumn_row(tableView: NSTableView; tableColumn: NSTableColumn; row: NSInteger): Boolean; message 'tableView:shouldShowCellExpansionForTableColumn:row:';
function tableView_shouldTrackCell_forTableColumn_row(tableView: NSTableView; cell: NSCell; tableColumn: NSTableColumn; row: NSInteger): Boolean; message 'tableView:shouldTrackCell:forTableColumn:row:';
}
{
function tableView_isGroupRow(tableView: NSTableView; row: NSInteger): Boolean; message 'tableView:isGroupRow:';}
function tableView_sizeToFitWidthOfColumn(tableView: NSTableView; column: NSInteger): CGFloat;
{function tableView_shouldReorderColumn_toColumn(tableView: NSTableView; columnIndex: NSInteger; newColumnIndex: NSInteger): Boolean; message 'tableView:shouldReorderColumn:toColumn:';}
procedure tableViewSelectionDidChange(notification: NSNotification); message 'tableViewSelectionDidChange:';
{procedure tableViewColumnDidMove(notification: NSNotification); message 'tableViewColumnDidMove:';}
procedure tableViewColumnDidResize(notification: NSNotification); message 'tableViewColumnDidResize:';
{procedure tableViewSelectionIsChanging(notification: NSNotification); message 'tableViewSelectionIsChanging:';}
end;
{ TCocoaWSListView_TableViewHandler }
TCocoaWSListView_TableViewHandler = class(TCocoaWSListViewHandler)
private
_listView: TCocoaListView;
_tableView: TCocoaTableListView;
private
function getCallback: TLCLListViewCallback;
public
constructor Create( listView: TCocoaListView );
function getColumnFromIndex( const AIndex: Integer ): NSTableColumn;
public
// Column
procedure ColumnDelete( const AIndex: Integer ); override;
function ColumnGetWidth( const AIndex: Integer; const {%H-}AColumn: TListColumn): Integer; override;
procedure ColumnInsert( const AIndex: Integer; const AColumn: TListColumn); override;
procedure ColumnMove( const AOldIndex, ANewIndex: Integer; const AColumn: TListColumn); override;
procedure ColumnSetAlignment( const AIndex: Integer; const {%H-}AColumn: TListColumn; const AAlignment: TAlignment); override;
procedure ColumnSetAutoSize( const AIndex: Integer; const {%H-}AColumn: TListColumn; const AAutoSize: Boolean); override;
procedure ColumnSetCaption( const AIndex: Integer; const {%H-}AColumn: TListColumn; const ACaption: String); override;
procedure ColumnSetMaxWidth( const AIndex: Integer; const {%H-}AColumn: TListColumn; const AMaxWidth: Integer); override;
procedure ColumnSetMinWidth( const AIndex: Integer; const {%H-}AColumn: TListColumn; const AMinWidth: integer); override;
procedure ColumnSetWidth( const AIndex: Integer; const {%H-}AColumn: TListColumn; const AWidth: Integer); override;
procedure ColumnSetVisible( const AIndex: Integer; const {%H-}AColumn: TListColumn; const AVisible: Boolean); override;
procedure ColumnSetSortIndicator( const AIndex: Integer; const AColumn: TListColumn; const ASortIndicator: TSortIndicator); override;
// Item
procedure ItemDelete( const AIndex: Integer); override;
function ItemDisplayRect( const AIndex, ASubItem: Integer; ACode: TDisplayCode): TRect; override;
procedure ItemExchange(const ALV: TCustomListView; AItem: TListItem; const AIndex1, AIndex2: Integer); override;
function ItemGetPosition( const AIndex: Integer): TPoint; override;
function ItemGetState( const AIndex: Integer; const {%H-}AItem: TListItem; const AState: TListItemState; out AIsSet: Boolean): Boolean; override; // returns True if supported
procedure ItemInsert( const AIndex: Integer; const {%H-}AItem: TListItem); override;
procedure ItemSetChecked( const AIndex: Integer; const {%H-}AItem: TListItem; const AChecked: Boolean); override;
procedure ItemSetImage( const AIndex: Integer; const {%H-}AItem: TListItem; const {%H-}ASubIndex, {%H-}AImageIndex: Integer); override;
procedure ItemSetState( const AIndex: Integer; const {%H-}AItem: TListItem; const AState: TListItemState; const AIsSet: Boolean); override;
procedure ItemSetText( const AIndex: Integer; const {%H-}AItem: TListItem; const {%H-}ASubIndex: Integer; const {%H-}AText: String); override;
procedure ItemShow( const AIndex: Integer; const {%H-}AItem: TListItem; const PartialOK: Boolean); override;
function GetFocused: Integer; override;
function GetItemAt( x,y: integer): Integer; override;
function GetSelCount: Integer; override;
function GetSelection: Integer; override;
function GetTopItem: Integer; override;
function GetVisibleRowCount: Integer; override;
procedure SelectAll( const AIsSet: Boolean); override;
procedure SetDefaultItemHeight( const AValue: Integer); override;
procedure SetImageList( const {%H-}AList: TListViewImageList; const {%H-}AValue: TCustomImageListResolution); override;
procedure SetItemsCount( const Avalue: Integer); override;
procedure SetProperty( const AProp: TListViewProperty; const AIsSet: Boolean); override;
procedure SetScrollBars( const AValue: TScrollStyle); override;
procedure SetSort( const {%H-}AType: TSortType; const {%H-}AColumn: Integer;
const {%H-}ASortDirection: TSortDirection); override;
end;
{ TCocoaTableListViewProcessor }
TCocoaTableListViewProcessor = class( TCocoaTableListControlProcessor )
public
function isInitializing( tv: NSTableView ): Boolean; override;
function getLCLControlCanvas( tv: NSTableView ): TCanvas; override;
procedure onSelectionChanged( tv: NSTableView ); override;
end;
function AllocCocoaTableListView: TCocoaTableListView;
function LCLCoordToRow(tbl: NSTableView; X,Y: Integer): Integer;
function LCLGetItemRect(tbl: NSTableView; row, col: Integer; var r: TRect): Boolean;
function LCLGetTopRow(tbl: NSTableView): Integer;
implementation
type
{ TCocoaTableRowView }
TCocoaTableRowView = objcclass(NSTableRowView)
public
tableView: TCocoaTableListView;
row: Integer;
public
procedure drawRect(dirtyRect: NSRect); override;
end;
function LCLCoordToRow(tbl: NSTableView; X,Y: Integer): Integer;
var
pt : NSPoint;
sc : NSScrollView;
vr : NSRect;
begin
if not Assigned(tbl) then
begin
Result := -1;
Exit;
end;
sc := tbl.enclosingScrollView;
if Assigned(sc) then
vr := sc.documentVisibleRect
else
vr := tbl.visibleRect;
pt.x := X;
if tbl.isFlipped
then pt.y := Y + vr.origin.y
else pt.y := tbl.frame.size.height - Y - vr.origin.y;
Result := tbl.rowAtPoint(pt);
end;
function LCLGetItemRect(tbl: NSTableView; row, col: Integer; var r: TRect): Boolean;
var
nsr : NSRect;
begin
if not Assigned(tbl) then begin
Result := false;
r := Bounds(0,0,0,0);
Exit;
end;
nsr:=tbl.frameOfCellAtColumn_row(col,row);
r:=NSRectToRect(nsr);
Result := True;
end;
function LCLGetTopRow(tbl: NSTableView): Integer;
var
visRange: NSRange;
begin
if not Assigned(tbl) then
Result := -1
else
begin
visRange := tbl.rowsInRect(tbl.visibleRect());
Result := visRange.location;
end;
end;
function AllocCocoaTableListView: TCocoaTableListView;
begin
// init will happen outside
Result := TCocoaTableListView.alloc;
end;
function updateNSTextFieldWithTFont( cocoaField: NSTextField; lclFont: TFont ):
Boolean;
var
saveFontColor: TColor;
cocoaFont: NSFont;
cocoaColor: NSColor;
begin
Result:= False;
saveFontColor:= lclFont.Color;
lclFont.Color:= clDefault;
if NOT lclFont.isDefault then begin
cocoaFont:= TCocoaFont(lclFont.Reference.Handle).Font;
cocoaField.setFont( cocoaFont );
Result:= True;
end;
lclFont.Color:= saveFontColor;
if lclFont.Color <> clDefault then begin
cocoaColor:= ColorToNSColor(ColorToRGB(lclFont.Color));
cocoaField.setTextColor( cocoaColor );
end;
end;
procedure drawNSViewBackground( view: NSView; lclBrush: TBrush );
var
ctx: TCocoaContext;
cocoaBrush: TCocoaBrush;
width: Integer;
height: Integer;
begin
if lclBrush.Color = clWhite then // see also TBrush.create
Exit;
width:= Round( view.bounds.size.width );
height:= Round( view.bounds.size.height );
ctx := TCocoaContext.Create( NSGraphicsContext.currentContext );
ctx.InitDraw( width, height );
try
cocoaBrush:= TCocoaBrush( lclBrush.Reference.Handle );
ctx.Rectangle( 0, 0, width, height, True, cocoaBrush );
finally
ctx.Free;
end;
end;
procedure TCocoaTableRowView.drawRect(dirtyRect: NSRect);
var
done: Boolean;
begin
if NOT self.tableView.isOwnerDraw then begin
inherited drawRect( dirtyRect );
Exit;
end;
done:= self.tableView.lclCallDrawItem( row, self.bounds );
if done then begin
// the Cocoa default drawing cannot be skipped in NSTableView,
// we can only hide the CellViews to get the same effect.
// in the Lazarus IDE, there is a ListBox with OwnerDraw in Project-Forms,
// it's a case where the default drawing must be skipped.
if Assigned(self.tableView.lclGetPorcessor) then
self.tableView.lclGetPorcessor.onOwnerDrawItem( self );
end else begin
drawNSViewBackground( self, tableView.lclGetCanvas.Brush );
inherited drawRect( dirtyRect );
end;
end;
{ TCocoaTableListView }
procedure TCocoaTableListView.lclExpectedKeys(var wantTabs, wantKeys, wantReturn,
wantAllKeys: Boolean);
begin
wantTabs := false;
wantKeys := true;
wantReturn := false; // todo: this should be "true" for editting purposes.
// or false, to let LCL handle editting
wantAllKeys := false;
end;
procedure TCocoaTableListView.lclSetCheckBoxes(checkBoxes: Boolean);
begin
if _checkBoxes = checkBoxes then
Exit;
_checkBoxes:= checkBoxes;
self.reloadData;
end;
function TCocoaTableListView.lclHasCheckBoxes: Boolean;
begin
Result:= _checkBoxes;
end;
procedure TCocoaTableListView.lclSetCheckBoxAllowsMixed(allowsMixed: Boolean);
begin
_checkBoxAllowsMixed:= allowsMixed;
end;
function TCocoaTableListView.lclCheckBoxAllowsMixed: Boolean;
begin
Result:= _checkBoxAllowsMixed;
end;
procedure TCocoaTableListView.backend_setCallback(cb: TLCLListViewCallback);
begin
self.callback:= cb;
end;
procedure TCocoaTableListView.backend_reloadData;
begin
self.reloadData;
end;
procedure TCocoaTableListView.backend_onInit;
var
sz: NSSize;
begin
self.setDataSource(self);
self.setDelegate(self);
self.setAllowsColumnReordering(False);
self.setAllowsColumnSelection(False);
sz := self.intercellSpacing;
// Windows compatibility. on Windows there's no extra space between columns
sz.width := 0;
self.setIntercellSpacing(sz);
end;
procedure TCocoaTableListView.addSubview(aView: NSView);
var
textField: TCocoaTextField Absolute aView;
begin
inherited;
if NOT aView.isKindOfClass(TCocoaTextField) then
Exit;
if NOT Assigned(self.callback) then
Exit;
if NOT (self.callback.Owner.isKindOfClass(TCocoaListView)) then
Exit;
TCocoaListView(self.callback.Owner).setCaptionEditor( textField );
end;
function TCocoaTableListView.lclGetCanvas: TCanvas;
begin
Result:= _processor.getLCLControlCanvas( self );
end;
procedure TCocoaTableListView.dealloc;
begin
FreeAndNil( _processor );
end;
function TCocoaTableListView.lclGetPorcessor: TCocoaTableViewProcessor;
begin
Result:= _processor;
end;
procedure TCocoaTableListView.lclSetProcessor( processor: TCocoaTableViewProcessor);
begin
_processor:= processor;
end;
function TCocoaTableListView.acceptsFirstResponder: LCLObjCBoolean;
begin
Result := NSViewCanFocus(Self);
end;
function TCocoaTableListView.lclGetCallback: ICommonCallback;
begin
Result := callback;
end;
procedure TCocoaTableListView.lclClearCallback;
begin
callback := nil;
end;
function TCocoaTableListView.fittingSize: NSSize;
begin
Result:= NSZeroSize;
end;
function isFocused( tv: TCocoaTableListView ; row: NSInteger ): Boolean;
begin
Result:= False;
if Assigned(tv.window) and (tv.window.firstResponder = tv) then begin
if row < 0 then
Result:= True
else if tv.isRowSelected(row) then
Result:= True;
end;
end;
function isChecked( tv: TCocoaTableListView ; row: NSInteger ): Boolean;
var
checked: Integer;
begin
Result:= False;
if row < 0 then
Exit;
tv.callback.GetItemCheckedAt( row, checked );
Result:= checked<>NSOffState;
end;
function TCocoaTableListView.lclCallDrawItem(row: NSInteger;
canvasRect: NSRect ): Boolean;
var
ctx: TCocoaContext;
ItemState: TOwnerDrawState;
begin
Result:= False;
if NOT self.isOwnerDraw then
Exit;
if not Assigned(self.callback) then
Exit;
ctx := TCocoaContext.Create(NSGraphicsContext.currentContext);
ctx.InitDraw(Round(canvasRect.size.width), Round(canvasRect.size.height));
try
ItemState := [];
if isRowSelected(row) then Include(ItemState, odSelected);
if NOT lclIsEnabled then Include(ItemState, odDisabled);
if isFocused(self,row) then
Include(ItemState, odFocused);
if isChecked(self,row) then
Include(ItemState, odChecked);
Result:= self.callback.drawItem(row, ctx, NSRectToRect(canvasRect), ItemState);
finally
ctx.Free;
end;
end;
function TCocoaTableListView.lclCallCustomDraw(row: Integer; col: Integer;
canvasRect: NSRect ): Boolean;
var
ctx: TCocoaContext;
state: TCustomDrawState;
begin
Result:= False;
if NOT Assigned(self.callback) then
Exit;
if NOT self.callback.isCustomDrawSupported then
Exit;
ctx := TCocoaContext.Create(NSGraphicsContext.currentContext);
ctx.InitDraw(Round(canvasRect.size.width), Round(canvasRect.size.height));
try
state := [];
if isRowSelected(row) then Include(state, cdsSelected);
if NOT lclIsEnabled then Include(state, cdsDisabled);
if isFocused(self,row) then
Include(state, cdsFocused);
if isChecked(self,row) then
Include(state, cdsChecked);
Result:= self.callback.customDraw(row, col, ctx, state);
finally
ctx.Free;
end;
end;
procedure TCocoaTableListView.drawRect(dirtyRect: NSRect);
var
done: Boolean;
begin
if NOT Assigned(self.callback) then
Exit;
if CheckMainThread then
self.callback.Draw(NSGraphicsContext.currentContext, bounds, dirtyRect);
if NOT self.callback.isCustomDrawSupported then begin
inherited;
Exit;
end;
done:= self.lclCallCustomDraw( -1, -1, self.bounds );
if done then begin
// the Cocoa default drawing cannot be skipped in NSTableView,
// we can only hide the SubviewViews to get the same effect.
hideAllSubviews( self );
end else begin
drawNSViewBackground( self, self.lclGetCanvas.Brush );
inherited;
end;
end;
procedure TCocoaTableListView.setNeedsDisplayInRect( invalidRect: NSRect );
var
rowRange: NSRange;
rowView: NSView;
row: Integer;
startIndex: Integer;
endIndex: Integer;
begin
inherited;
// NSTableView.initWithFrame() will call setNeedsDisplayInRect()
// at this time, calling rowsInRect() will crash on macOS 10.14.
// it seems that this issue does not exist on other macOS versions.
// FYI: https://gitlab.com/freepascal.org/lazarus/lazarus/-/issues/41133
if _coocaInitializing then
Exit;
rowRange := self.rowsInRect( invalidRect );
if rowRange.length = 0 then
Exit;;
startIndex:= rowRange.location;
endIndex:= rowRange.location + rowRange.length - 1;
for row:= startIndex to endIndex do begin
rowView := self.rowViewAtRow_makeIfNecessary( row, False );
if Assigned(rowView) then
rowView.setNeedsDisplay_( True );
end;
end;
function TCocoaTableListView.getIndexOfColumn(ACol: NSTableColumn): Integer;
var
idx : NSUInteger;
begin
idx := tableColumns.indexOfObject(ACol);
if idx = NSNotFound then
Result := -1
else
Result := Integer(idx);
end;
procedure TCocoaTableListView.restoreFromStableSelection;
var
selection: NSIndexSet;
begin
if NOT Assigned(self.callback) then
Exit;
self.dontSendOnChangeMessage:= True;
selection:= self.callback.selectionIndexSet;
self.selectRowIndexesByProgram( selection );
self.dontSendOnChangeMessage:= False;
end;
procedure TCocoaTableListView.reloadData;
begin
if NOT Assigned(_processor) then
Exit;
if _processor.isInitializing(self) then
Exit;
inherited reloadData;
_processor.onReloadData( self );
// 1. the first step is here
// synchronously restore the selection immediately after calling reloadData()
// 2. the second step is elsewhere
// the selection will be restored asynchronously after reloadData actually takes effect.
self.restoreFromStableSelection;
end;
procedure TCocoaTableListView.reloadDataForRow_column(ARow, ACol: NSInteger);
var
lRowSet, lColSet: NSIndexSet;
begin
lRowSet := NSIndexSet.indexSetWithIndex(ARow);
lColSet := NSIndexSet.indexSetWithIndex(ACol);
reloadDataForRowIndexes_columnIndexes(lRowSet, lColSet);
end;
procedure TCocoaTableListView.selectOneItemByIndex( index: Integer; isSelected: Boolean );
var
selection: NSMutableIndexSet;
begin
if (index < 0) or (index >= self.numberOfRows) then
Exit;
selection:= NSMutableIndexSet.alloc.initWithIndexSet( self.selectedRowIndexes );
if isSelected then begin
if NOT self.allowsMultipleSelection then
selection.removeAllIndexes;
selection.addIndex( index );
end else begin
selection.removeIndex( index );
end;
if NOT selection.isEqualToIndexSet(self.selectedRowIndexes) then begin
self.selectRowIndexes_byExtendingSelection( selection, False );
end;
selection.release;
end;
procedure TCocoaTableListView.selectRowIndexesByProgram( indexes: NSIndexSet );
begin
self.selectingByProgram:= True;
self.selectRowIndexes_byExtendingSelection( indexes, False );
self.selectingByProgram:= False;
end;
function TCocoaTableListView.initWithFrame(frameRect: NSRect): id;
begin
_coocaInitializing:= True;
Result:=inherited initWithFrame(frameRect);
_coocaInitializing:= False;
if NSAppkitVersionNumber >= NSAppKitVersionNumber11_0 then
setStyle( CocoaConfigListView.vsReport.tableViewStyle );
end;
procedure TCocoaTableListView.mouseDown(event: NSEvent);
begin
if not Assigned(callback) or not callback.MouseUpDownEvent(event) then
begin
inherited mouseDown(event);
if Assigned(callback) then
callback.MouseUpDownEvent(event, true);
end;
end;
procedure TCocoaTableListView.mouseUp(event: NSEvent);
begin
if Assigned(callback) and not callback.MouseUpDownEvent(event) then
inherited mouseUp(event);
end;
procedure TCocoaTableListView.rightMouseDown(event: NSEvent);
begin
if not Assigned(callback) or not callback.MouseUpDownEvent(event) then
inherited rightMouseDown(event);
end;
procedure TCocoaTableListView.rightMouseUp(event: NSEvent);
begin
if not Assigned(callback) or not callback.MouseUpDownEvent(event) then
inherited rightMouseUp(event);
end;
procedure TCocoaTableListView.otherMouseDown(event: NSEvent);
begin
if not Assigned(callback) or not callback.MouseUpDownEvent(event) then
inherited otherMouseDown(event);
end;
procedure TCocoaTableListView.otherMouseUp(event: NSEvent);
begin
if not Assigned(callback) or not callback.MouseUpDownEvent(event) then
inherited otherMouseUp(event);
end;
procedure TCocoaTableListView.mouseDragged(event: NSEvent);
begin
if not Assigned(callback) or not callback.MouseMove(event) then
inherited mouseDragged(event);
end;
procedure TCocoaTableListView.mouseEntered(event: NSEvent);
begin
inherited mouseEntered(event);
end;
procedure TCocoaTableListView.mouseExited(event: NSEvent);
begin
inherited mouseExited(event);
end;
procedure TCocoaTableListView.mouseMoved(event: NSEvent);
begin
inherited mouseMoved(event);
end;
function TCocoaTableListView.numberOfRowsInTableView(tableView: NSTableView
): NSInteger;
begin
if Assigned(self.callback) then
Result := self.callback.ItemsCount
else
Result := 0;
end;
// TListView in LCL already supports editing, return False to avoid conflicts
function TCocoaTableListView.tableView_shouldEditTableColumn_row(tableView: NSTableView; tableColumn: NSTableColumn; row: NSInteger): Boolean;
begin
Result:= False;
end;
function TCocoaTableListView.selectionShouldChangeInTableView(
tableView: NSTableView): Boolean;
begin
Result:= true;
end;
function TCocoaTableListView.tableView_shouldSelectRow(tableView: NSTableView;
row: NSInteger): Boolean;
begin
Result:= self.callback.shouldSelectionChange( row );
end;
procedure TCocoaTableListView.tableView_didClickTableColumn(
tableView: NSTableView; tableColumn: NSTableColumn);
begin
if Assigned(self.callback) then
self.callback.ColumnClicked(getIndexOfColumn(tableColumn));
end;
function TCocoaTableListView.tableView_heightOfRow(tableView: NSTableView;
row: NSInteger): CGFloat;
var
h: Integer;
begin
h:= self.CustomRowHeight;
if h = 0 then
h:= CocoaConfigListView.vsReport.row.defaultHeight;
if isDynamicRowHeight and Assigned(self.callback) then begin
self.callback.GetRowHeight( row, h );
if h<=0 then h:=1; // must be positive (non-zero)
end;
Result:= h;
end;
function TCocoaTableListView.tableView_sizeToFitWidthOfColumn(
tableView: NSTableView; column: NSInteger): CGFloat;
var
totalCount: Integer;
startIndex: Integer;
endIndex: Integer;
row: Integer;
item: TCocoaTableListItem;
tableColumn: NSTableColumn;
currentWidth: CGFloat;
begin
Result:= CocoaConfigListView.vsReport.columnAutoFit.minWidth;
tableColumn:= NSTableColumn( self.tableColumns.objectAtIndex(column) );
tableColumn.sizeToFit;
currentWidth:= tableColumn.width +
CocoaConfigListView.vsReport.columnAutoFit.headerAdditionalWidth;
if currentWidth > Result then
Result:= currentWidth;
totalCount:= self.numberOfRows;
if totalCount = 0 then
Exit;
if totalCount <= CocoaConfigListView.vsReport.columnAutoFit.maxCalcRows then begin
startIndex:= 0;
endIndex:= totalCount - 1;
end else begin
startIndex:= self.rowsInRect(self.visibleRect).location;
endIndex:= startIndex + CocoaConfigListView.vsReport.columnAutoFit.maxCalcRows div 2;
if endIndex > totalCount - 1 then
endIndex:= totalCount - 1;
startIndex:= endIndex - CocoaConfigListView.vsReport.columnAutoFit.maxCalcRows + 1;
if startIndex < 0 then
startIndex:= 0;
endIndex:= startIndex + CocoaConfigListView.vsReport.columnAutoFit.maxCalcRows - 1;
end;
for row:=startIndex to endIndex do begin
item:= TCocoaTableListItem( self.viewAtColumn_row_makeIfNecessary( column, row , True ) );
if Assigned(item) then begin
currentWidth:= item.fittingSize.width;
if currentWidth > Result then
Result:= currentWidth;
end;
end;
end;
type
TCompareData = record
rmved : NSMutableIndexSet;
added : NSMutableIndexSet;
src : NSIndexSet;
dst : NSIndexSet;
end;
procedure DumpIndexes(src: NSIndexSet; dst: NSMutableIndexSet; rng: NSRange);
var
buf : array [0..512 * 4-1] of NSUInteger;
i : NSUInteger;
j : Integer;
trg : NSUInteger;
r : NSRange;
gth : NSRange;
k : Integer;
cmp : NSUInteger;
begin
if src.containsIndexesInRange(rng) then begin
// the range is packed
dst.addIndexesInRange(rng);
Exit;
end;
i := rng.location;
trg := rng.location+rng.length;
gth.location := NSNotFound;
gth.length := 0;
while i<=trg do begin
r.location := i;
r.length := trg - r.location;
j := Integer(src.getIndexes_maxCount_inIndexRange(@buf[0], length(buf), @r));
if j = 0 then i:=trg+1
else
begin
i := buf[j-1]+1;
if (gth.location = NSNotFound) then gth.location := buf[0];
cmp := gth.length + gth.location;
for k := 0 to j - 1 do begin
if cmp = buf[k] then
inc(cmp)
else begin
gth.length := cmp - gth.location + 1;
dst.addIndexesInRange(gth);
if k < j-1 then
gth.location := buf[k]
else
gth.location := NSNotFound;
gth.length := 0;
cmp := gth.length + gth.location;
end;
end;
end;
end;
if gth.location <> NSNotFound then begin
gth.length := gth.length + 1;
dst.addIndexesInRange(gth);
end;
end;
procedure CompareIdxRange(const data: TCompareData; startIdx, endIdx: NSUInteger);
var
isrc, idst: Boolean;
rng : NSRange;
m : Integer;
begin
rng.location := startIdx;
rng.length := endIdx - startIdx + 1;
isrc := data.src.intersectsIndexesInRange(rng);
idst := data.dst.intersectsIndexesInRange(rng);
if (not isrc) and (not idst) then
// there are no indexes in either selection
// no need to dig deeper
Exit;
if (not isrc) then begin
// there are only added indexes in this range
DumpIndexes(data.dst, data.added, rng);
Exit;
end else if not (idst) then begin
// there are only removed indexes in this range
DumpIndexes(data.src, data.rmved, rng);
Exit;
end;
isrc := data.src.containsIndexesInRange(rng);
idst := data.dst.containsIndexesInRange(rng);
if isrc and idst then begin
// indexes match in both sets. No need for further investigation
Exit;
end;
if startIdx < endIdx then
begin
m := (endidx - startidx) div 2 + startIdx;
CompareIdxRange(data, startIdx, m);
if m <= endIdx then
CompareIdxRange(data, m+1, endIdx);
end;
end;
procedure CompareIndexSets(src, dst: NSIndexSet; out removed, added: NSIndexSet);
var
rm, ad : NSMutableIndexSet;
srci : NSUInteger;
dsti : NSUinteger;
srcl : NSUInteger;
dstl : NSUInteger;
data : TCompareData;
begin
rm := NSMutableIndexSet.alloc.init.autorelease;
ad := NSMutableIndexSet.alloc.init.autorelease;
removed := rm;
added := ad;
srci := src.firstIndex;
dsti := dst.firstIndex;
if (srci = NSNotFound) and (dsti <> NSNotFound) then begin
// has not been previosly selected;
ad.addIndexes(dst);
Exit;
end else if (dsti = NSNotFound) and (srci <> NSNotFound) then begin
// cleared the selection
rm.addIndexes(src);
Exit;
end;
if srci < dsti then begin
DumpIndexes(src, rm, NSMakeRange(srci, dsti-srci));
srci := dsti;
end else if dsti < srci then begin
DumpIndexes(dst, ad, NSMakeRange(dsti, srci-dsti));
dsti := srci;
end;
srcl := src.lastIndex;
dstl := dst.lastIndex;
if srcl > dstl then begin
DumpIndexes(src, rm, NSMakeRange(dstl+1, srcl - dstl));
srcl := dstl;
end else if dstl > srcl then begin
DumpIndexes(dst, ad, NSMakeRange(srcl+1, dstl - srcl));
dstl := srcl;
end;
if srci <= srcl then begin
data.rmved := rm;
data.added := ad;
data.src := src;
data.dst := dst;
CompareIdxRange( data, srci, srcl);
end;
end;
procedure sendSelectionChangedMsgToLCL(
lclListView: TCustomListView;
NewSel: Integer; Added, Removed: NSIndexSet);
var
Msg: TLMNotify;
NMLV: TNMListView;
procedure RunIndex(idx: NSIndexSet);
var
buf : array [0..256-1] of NSUInteger;
rng : NSRange;
cnt : Integer;
i : Integer;
itm : NSUInteger;
begin
rng.location := idx.firstIndex;
repeat
rng.length := idx.lastIndex - rng.location + 1;
cnt := idx.getIndexes_maxCount_inIndexRange(@buf[0], length(buf), @rng);
for i := 0 to cnt - 1 do begin
NMLV.iItem := buf[i];
LCLMessageGlue.DeliverMessage(lclListView, Msg);
end;
if cnt < length(buf) then cnt := 0
else rng.location := buf[cnt-1]+1;
until cnt = 0;
end;
begin
{$IFDEF COCOA_DEBUG_LISTVIEW}
WriteLn(Format('[TLCLListViewCallback.SelectionChanged] NewSel=%d', [NewSel]));
{$ENDIF}
FillChar(Msg{%H-}, SizeOf(Msg), #0);
FillChar(NMLV{%H-}, SizeOf(NMLV), #0);
Msg.Msg := CN_NOTIFY;
NMLV.hdr.hwndfrom := lclListView.Handle;
NMLV.hdr.code := LVN_ITEMCHANGED;
NMLV.iSubItem := 0;
NMLV.uChanged := LVIF_STATE;
Msg.NMHdr := @NMLV.hdr;
if Removed.count>0 then
begin
NMLV.uNewState := 0;
NMLV.uOldState := LVIS_FOCUSED or LVIS_SELECTED;
RunIndex( Removed );
end;
if Added.count > 0 then begin
NMLV.uNewState := LVIS_FOCUSED or LVIS_SELECTED;;
NMLV.uOldState := 0;
RunIndex( Added );
end;
{if NewSel >= 0 then
begin
NMLV.iItem := NewSel;
NMLV.uNewState := LVIS_SELECTED;
end
else
begin
NMLV.iItem := 0;
NMLV.uNewState := 0;
NMLV.uOldState := LVIS_SELECTED;
end;
LCLMessageGlue.DeliverMessage(lclListView, Msg);}
end;
procedure TCocoaTableListView.tableViewSelectionDidChange(notification: NSNotification);
var
selectionIndexSet: NSMutableIndexSet;
begin
if NOT Assigned(self.callback) then
Exit;
if Assigned(_processor) then begin
if NOT _processor.isInitializing(self) then
_processor.onSelectionChanged( self );
end;
end;
procedure TCocoaTableListView.tableViewColumnDidResize(
notification: NSNotification);
begin
self.reloadData;
end;
{ TCocoaTableListItem }
function TCocoaTableListItem.checkBox: NSButton;
begin
Result:= _checkBox;
end;
function TCocoaTableListItem.fittingSize: NSSize;
var
width: CGFloat;
begin
width:= self.textField.fittingSize.width;
if Assigned(_checkBox) then
width:= width + _checkBox.frame.size.width +
CocoaConfigListView.vsReport.column.controlSpacing;
if Assigned(self.imageView) then
width:= width + self.imageView.frame.size.width +
CocoaConfigListView.vsReport.column.controlSpacing;
Result.width:= width;
Result.height:= self.frame.size.height;
end;
procedure TCocoaTableListItem.drawRect(dirtyRect: NSRect);
var
row: Integer;
col: Integer;
done: Boolean;
cocoaTLV: TCocoaTableListView;
begin
cocoaTLV:= TCocoaTableListView( _tableView );
if NOT Assigned(cocoaTLV.callback) then
Exit;
if NOT cocoaTLV.callback.isCustomDrawSupported then begin
inherited;
Exit;
end;
row:= _tableView.rowForView( self );
col:= _tableView.columnForView( self );
done:= cocoaTLV.lclCallCustomDraw( row, col, self.bounds );
if done then begin
// the Cocoa default drawing cannot be skipped in NSTableView,
// we can only hide the CellViews to get the same effect.
// in the Lazarus IDE, there is a ListView with OnCustomDrawItem
// in Perferences-Component Palette.
hideAllSubviews( self );
end else begin
if updateNSTextFieldWithTFont(self.textField, cocoaTLV.lclGetCanvas.Font) then
updateItemLayout( row, col );
inherited drawRect(dirtyRect);
end;
end;
procedure TCocoaTableListItem.createTextField;
var
fieldControl: NSTextField;
begin
if Assigned(self.textField) then
Exit;
fieldControl:= NSTextField.alloc.initWithFrame(NSZeroRect);
fieldControl.setBordered( False );
fieldControl.setDrawsBackground( False );
fieldControl.setEditable( False );
fieldControl.setLineBreakMode( NSLineBreakByTruncatingTail );
fieldControl.setAllowsExpansionToolTips(True);
self.setTextField( fieldControl );
self.addSubview( fieldControl );
end;
procedure TCocoaTableListItem.createImageView;
var
imageControl: NSImageView;
begin
if Assigned(self.imageView) then
Exit;
imageControl:= NSImageView.alloc.initWithFrame( NSZeroRect );
imageControl.setImageScaling( NSImageScaleProportionallyUpOrDown );
self.setImageView( imageControl );
self.addSubview( imageControl );
end;
procedure TCocoaTableListItem.createCheckBox;
begin
if Assigned(_checkBox) then
Exit;
_checkBox:= NSButton.alloc.init;
_checkBox.setButtonType( NSSwitchButton );
_checkBox.setAllowsMixedState( TCocoaTableListView(_tableView).lclCheckBoxAllowsMixed );
_checkBox.setTitle( CocoaConst.NSSTR_EMPTY );
_checkBox.setTarget( _tableView );
_checkBox.setAction( ObjCSelector('checkboxAction:') );
self.addSubview( _checkBox );
end;
procedure TCocoaTableListItem.setColumn(column: NSTableColumn);
begin
_tableView:= column.tableView;
_column:= column;
end;
procedure TCocoaTableListItem.loadView( row: Integer; col: Integer );
var
tv: TCocoaTableListView;
lclcb: IListViewCallback;
lclImageIndex: Integer;
lvil: TListViewImageList;
begin
tv:= TCocoaTableListView( _tableView );
lclcb:= tv.callback;
self.createTextField;
if col=0 then begin
if lclcb.GetImageListType(lvil) then
self.createImageView;
end else begin
lclcb.GetItemImageAt( row, col, lclImageIndex );
if lclImageIndex >= 0 then
self.createImageView;
end;
if (col=0) and tv.lclHasCheckBoxes then
self.createCheckBox;
end;
procedure TCocoaTableListItem.updateItemValue(row: NSInteger; col: NSInteger );
var
tv: TCocoaTableListView;
lclcb: IListViewCallback;
checkedValue: Integer;
cocoaImage: NSImage;
lclImageIndex: Integer;
lclText: String;
begin
tv:= TCocoaTableListView( _tableView );
lclcb:= tv.callback;
if Assigned(_checkBox) then begin
lclcb.GetItemCheckedAt( row, checkedValue );
_checkBox.setState( checkedValue );
end;
if Assigned(self.imageView) then begin
lclcb.GetItemImageAt( row, col, lclImageIndex );
if lclImageIndex >= 0 then begin
cocoaImage:= lclcb.GetImageFromIndex( lclImageIndex );
self.imageView.setImage( cocoaImage );
end;
end;
lclcb.GetItemTextAt( row, col, lclText );
self.textField.setStringValue( StrToNSString(lclText) );
end;
procedure TCocoaTableListItem.updateItemLayout(row: NSInteger; col: NSInteger );
var
tv: TCocoaTableListView;
aFrame: NSRect;
rowHeight: CGFloat;
begin
tv:= TCocoaTableListView( _tableView );
aFrame:= NSZeroRect;
rowHeight:= tv.tableView_heightOfRow( tv, row );
if Assigned(_checkBox) then begin
_checkBox.sizeToFit;
aFrame.size:= _checkBox.frame.size;
aFrame.origin.y:= round( (rowHeight - aFrame.size.height ) / 2 );
_checkBox.setFrameOrigin( aFrame.origin );
aFrame.origin.x:= CocoaConfigListView.vsReport.column.controlSpacing;
end;
if Assigned(self.imageView) then begin
aFrame.origin.x:= aFrame.origin.x + aFrame.size.width;
aFrame.origin.y:= round( (rowHeight - tv.iconSize.Height) / 2 );
aFrame.size:= tv.iconSize;
self.imageView.setFrame( aFrame );
aFrame.origin.x:= aFrame.origin.x + CocoaConfigListView.vsReport.column.controlSpacing;
end;
if Assigned(self.textField) then begin
self.textField.sizeToFit;
aFrame.origin.x:= aFrame.origin.x + aFrame.size.width;
aFrame.origin.y:= round( (rowHeight - self.textField.frame.size.height) / 2 );
aFrame.size.width:= _column.width - aFrame.origin.x;
aFrame.size.height:= self.textField.frame.size.height;
if aFrame.size.width < CocoaConfigListView.vsReport.column.textFieldMinWidth then
aFrame.size.width:= CocoaConfigListView.vsReport.column.textFieldMinWidth;
self.textField.setFrame( aFrame );
end;
end;
procedure TCocoaTableListItem.prepareForReuse;
begin
Inherited;
if Assigned(self.imageView) then begin
self.imageView.removeFromSuperview;
self.imageView.release;
self.setImageView(nil);
end;
if Assigned(_checkBox) then begin
_checkBox.removeFromSuperview;
_checkBox.release;
_checkBox:= nil;
end;
self.removeFromSuperview;
end;
procedure TCocoaTableListItem.dealloc;
begin
self.textField.removeFromSuperview;
self.textField.release;
if Assigned(self.imageView) then begin
self.imageView.removeFromSuperview;
self.imageView.release;
end;
if Assigned(_checkBox) then begin
_checkBox.removeFromSuperview;
_checkBox.release;
end;
inherited dealloc;
end;
function TCocoaTableListView.tableView_viewForTableColumn_row(tableView: NSTableView;
tableColumn: NSTableColumn; row: NSInteger): NSView;
var
col: NSInteger;
frameRect: NSRect;
item: TCocoaTableListItem;
StrValue: NSString;
chkst: Integer;
txt: String;
begin
Result:= nil;
if row >= numberOfRowsInTableView(self) then
Exit;
frameRect.origin:= GetNSPoint(0,0);
frameRect.size:= GetNSSize(tableColumn.width, rowHeight);
item:= TCocoaTableListItem(makeViewWithIdentifier_owner(NSSTR('tblview'), self));
if item = nil then begin
item:= TCocoaTableListItem.alloc.initWithFrame(frameRect);
item.setidentifier(NSSTR('tblview'));
end;
col:= self.getIndexOfColumn( tableColumn );
item.setColumn( tableColumn );
item.loadView( row, col );
item.updateItemValue( row, col );
item.updateItemLayout( row, col );
Result:= item;
end;
function TCocoaTableListView.tableView_rowViewForRow(
tableView: NSTableView; row: NSInteger): NSTableRowView;
var
rowView: TCocoaTableRowView Absolute Result;
begin
Result:= TCocoaTableRowView.alloc.init;
rowView.tableView:= self;
rowView.row:= row;
end;
procedure TCocoaTableListView.lclInsertItem(const AIndex: Integer);
begin
if NOT Assigned(self.callback) then
Exit;
if _processor.isInitializing(self) then
Exit;
self.callback.checkedIndexSet.shiftIndexesStartingAtIndex_by( AIndex, 1 );
self.callback.mixedCheckedIndexSet.shiftIndexesStartingAtIndex_by( AIndex, 1 );
self.callback.selectionIndexSet.shiftIndexesStartingAtIndex_by( AIndex, 1 );
self.reloadData;
self.sizeToFit();
end;
procedure TCocoaTableListView.lclDeleteItem(const AIndex: Integer);
begin
if NOT Assigned(self.callback) then
Exit;
self.callback.checkedIndexSet.shiftIndexesStartingAtIndex_by( AIndex+1, -1);
self.callback.mixedCheckedIndexSet.shiftIndexesStartingAtIndex_by( AIndex+1, -1);
self.callback.selectionIndexSet.shiftIndexesStartingAtIndex_by( AIndex+1, -1 );
self.reloadData;
end;
procedure ExchangeIndexSetItem( indexSet: NSMutableIndexSet;
const AIndex1: Integer; const AIndex2: Integer );
var
hasIndex1: Boolean;
hasIndex2: Boolean;
begin
hasIndex1:= indexSet.containsIndex(AIndex1);
hasIndex2:= indexSet.containsIndex(AIndex2);
if hasIndex1 = hasIndex2 then
Exit;
if hasIndex1 then begin
indexSet.removeIndex( AIndex1 );
indexSet.addIndex( AIndex2 );
end;
if hasIndex2 then begin
indexSet.removeIndex( AIndex2 );
indexSet.addIndex( AIndex1 );
end;
end;
procedure TCocoaTableListView.lclExchangeItem(const AIndex1: Integer;
const AIndex2: Integer);
begin
if NOT Assigned(self.callback) then
Exit;
ExchangeIndexSetItem( self.callback.checkedIndexSet, AIndex1, AIndex2 );
ExchangeIndexSetItem( self.callback.mixedCheckedIndexSet, AIndex1, AIndex2 );
ExchangeIndexSetItem( self.callback.selectionIndexSet, AIndex1, AIndex2 );
self.reloadData;
end;
procedure TCocoaTableListView.lclClearItem;
begin
self.callback.checkedIndexSet.removeAllIndexes;
self.callback.mixedCheckedIndexSet.removeAllIndexes;
self.callback.selectionIndexSet.removeAllIndexes;
self.reloadData;
end;
procedure TCocoaTableListView.checkboxAction(sender: NSButton);
var
row: NSInteger;
begin
if not Assigned(self.callback) then Exit;
row := rowForView(sender.superview);
self.callback.SetItemCheckedAt(row, sender.state);
if sender.state <> NSOffState then begin
self.selectOneItemByIndex(row, True);
self.window.makeFirstResponder( self );
end;
end;
{ TCocoaWSListView_TableViewHandler }
constructor TCocoaWSListView_TableViewHandler.Create(
listView: TCocoaListView );
begin
_listView:= listView;
_tableView:= TCocoaTableListView(listView.documentView);
end;
function TCocoaWSListView_TableViewHandler.getColumnFromIndex(
const AIndex: Integer): NSTableColumn;
begin
Result:= nil;
if (AIndex < 0) or (AIndex >= _tableView.tableColumns.count) then
Exit;
Result:= NSTableColumn( _tableView.tableColumns.objectAtIndex(AIndex) );
end;
function TCocoaWSListView_TableViewHandler.getCallback: TLCLListViewCallback;
begin
Result:= TLCLListViewCallback( _tableView.lclGetCallback.GetCallbackObject );
end;
procedure TCocoaWSListView_TableViewHandler.ColumnDelete(
const AIndex: Integer);
var
cocoaColumn: NSTableColumn;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if Assigned(cocoaColumn) then
_tableView.removeTableColumn( cocoaColumn );
end;
function TCocoaWSListView_TableViewHandler.ColumnGetWidth(
const AIndex: Integer; const AColumn: TListColumn): Integer;
var
cocoaColumn: NSTableColumn;
begin
Result:= 0;
cocoaColumn:= getColumnFromIndex( AIndex );
if Assigned(cocoaColumn) then
Result:= Round( cocoaColumn.width );
end;
procedure TCocoaWSListView_TableViewHandler.ColumnInsert(
const AIndex: Integer; const AColumn: TListColumn);
var
cocoaColumn: NSTableColumn;
cocoaTitle: NSString;
begin
if (AIndex < 0) or (AIndex > _tableView.tableColumns.count) then
Exit;
cocoaTitle := NSStringUTF8(AColumn.Caption);
cocoaColumn := NSTableColumn.alloc.initWithIdentifier(cocoaTitle);
cocoaColumn.headerCell.setStringValue(cocoaTitle);
cocoaColumn.setResizingMask(NSTableColumnUserResizingMask);
_tableView.addTableColumn(cocoaColumn);
cocoaColumn.release;
cocoaTitle.release;
end;
procedure TCocoaWSListView_TableViewHandler.ColumnMove(const AOldIndex,
ANewIndex: Integer; const AColumn: TListColumn);
var
columnCount: NSUInteger;
begin
columnCount:= _tableView.tableColumns.count;
if columnCount <= 1 then
Exit;
if (AOldIndex < 0) or (AOldIndex >= columnCount) then
Exit;
if (ANewIndex < 0) or (ANewIndex >= columnCount) then
Exit;
_tableView.moveColumn_toColumn(AOldIndex, ANewIndex);
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetAlignment(
const AIndex: Integer; const AColumn: TListColumn;
const AAlignment: TAlignment);
begin
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetAutoSize(
const AIndex: Integer; const AColumn: TListColumn; const AAutoSize: Boolean);
var
cocoaColumn: NSTableColumn;
mask: NSUInteger;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if NOT Assigned(cocoaColumn) then
Exit;
if AAutoSize then
mask := NSTableColumnAutoresizingMask or NSTableColumnUserResizingMask
else
mask := NSTableColumnUserResizingMask;
cocoaColumn.setResizingMask(mask);
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetCaption(
const AIndex: Integer; const AColumn: TListColumn; const ACaption: String);
var
cocoaColumn: NSTableColumn;
cocoaTitle: NSString;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if NOT Assigned(cocoaColumn) then
Exit;
cocoaTitle := NSStringUtf8(ACaption);
if cocoaColumn.respondsToSelector(ObjCSelector('setTitle:')) then
cocoaColumn.setTitle(cocoaTitle)
else
cocoaColumn.headerCell.setStringValue(cocoaTitle);
{$ifdef BOOLFIX}
_tableView.headerView.setNeedsDisplay__(Ord(true)); // forces the newly set Value (even for setTitle!)
{$else}
_tableView.headerView.setNeedsDisplay_(true); // forces the newly set Value (even for setTitle!)
{$endif}
cocoaTitle.release;
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetMaxWidth(
const AIndex: Integer; const AColumn: TListColumn; const AMaxWidth: Integer);
var
cocoaColumn: NSTableColumn;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if NOT Assigned(cocoaColumn) then
Exit;
if AMaxWidth <= 0 then
cocoaColumn.setMaxWidth($FFFFFFFF)
else
cocoaColumn.setMaxWidth(AMaxWidth);
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetMinWidth(
const AIndex: Integer; const AColumn: TListColumn; const AMinWidth: integer);
var
cocoaColumn: NSTableColumn;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if NOT Assigned(cocoaColumn) then
Exit;
cocoaColumn.setMinWidth(AMinWidth);
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetWidth(
const AIndex: Integer; const AColumn: TListColumn; const AWidth: Integer);
var
cocoaColumn: NSTableColumn;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if NOT Assigned(cocoaColumn) then
Exit;
cocoaColumn.setWidth(AWidth);
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetVisible(
const AIndex: Integer; const AColumn: TListColumn; const AVisible: Boolean);
var
cocoaColumn: NSTableColumn;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if NOT Assigned(cocoaColumn) then
Exit;
{$ifdef BOOLFIX}
cocoaColumn.setHidden_(Ord(not AVisible));
{$else}
cocoaColumn.setHidden(not AVisible);
{$endif}
end;
procedure TCocoaWSListView_TableViewHandler.ColumnSetSortIndicator(
const AIndex: Integer; const AColumn: TListColumn;
const ASortIndicator: TSortIndicator);
var
cocoaColumn: NSTableColumn;
begin
cocoaColumn:= getColumnFromIndex( AIndex );
if NOT Assigned(cocoaColumn) then
Exit;
case ASortIndicator of
siNone:
_tableView.setIndicatorImage_inTableColumn(nil, cocoaColumn);
siAscending:
_tableView.setIndicatorImage_inTableColumn(
NSImage.imageNamed(NSSTR('NSAscendingSortIndicator')),
cocoaColumn);
siDescending:
_tableView.setIndicatorImage_inTableColumn(
NSImage.imageNamed(NSSTR('NSDescendingSortIndicator')),
cocoaColumn);
end;
end;
procedure TCocoaWSListView_TableViewHandler.ItemDelete(const AIndex: Integer
);
begin
_tableView.lclDeleteItem( AIndex );
end;
function TCocoaWSListView_TableViewHandler.ItemDisplayRect(const AIndex,
ASubItem: Integer; ACode: TDisplayCode): TRect;
var
item: TCocoaTableListItem;
frame: NSRect;
begin
Result:= Bounds(0,0,0,0);
item:= _tableView.viewAtColumn_row_makeIfNecessary( ASubItem, AIndex, True );
if NOT Assigned(item) then
Exit;
frame:= item.frame;
case ACode of
drLabel:
begin
_listView.setCaptionFont( item.textField.font );
_listView.setCaptionAlignment( NSTextAlignmentLeft );
// to do: completely restore TFont
_listView.getLCLControlCanvas.Font.Height:= Round(item.textField.font.pointSize);
frame:= item.textField.frame;
frame:= item.convertRect_toView( frame, _tableView );
end;
drIcon:
begin
if Assigned(item.imageView) then begin
frame:= item.imageView.frame;
end;
end;
end;
Result:= NSRectToRect( frame );
end;
procedure TCocoaWSListView_TableViewHandler.ItemExchange(
const ALV: TCustomListView; AItem: TListItem; const AIndex1, AIndex2: Integer);
begin
_tableView.lclExchangeItem( AIndex1, AIndex2 );
end;
function TCocoaWSListView_TableViewHandler.ItemGetPosition(
const AIndex: Integer): TPoint;
var
rect: NSRect;
begin
rect:= _tableView.rectOfRow(AIndex);
Result.X := Round(rect.origin.X);
Result.Y := Round(_listView.scrollView.frame.size.height - rect.origin.Y);
end;
function TCocoaWSListView_TableViewHandler.ItemGetState(
const AIndex: Integer; const AItem: TListItem; const AState: TListItemState;
out AIsSet: Boolean): Boolean;
var
lclcb : TLCLListViewCallback;
begin
Result:= false;
lclcb:= getCallback;
if NOT Assigned(lclcb) then
Exit;
case AState of
lisSelected: begin
Result:= (AIndex>=0) and (AIndex < _tableView.numberOfRows);
AIsSet:= lclcb.getItemStableSelection( AIndex );
end;
end;
end;
procedure TCocoaWSListView_TableViewHandler.ItemInsert(
const AIndex: Integer; const AItem: TListItem);
begin
_tableView.lclInsertItem( AIndex );
end;
procedure TCocoaWSListView_TableViewHandler.ItemSetChecked(
const AIndex: Integer; const AItem: TListItem; const AChecked: Boolean);
begin
_tableView.reloadDataForRow_column(AIndex, 0);
end;
procedure TCocoaWSListView_TableViewHandler.ItemSetImage(
const AIndex: Integer; const AItem: TListItem; const ASubIndex,
AImageIndex: Integer);
begin
_tableView.reloadDataForRow_column(AIndex, ASubIndex);
end;
procedure TCocoaWSListView_TableViewHandler.ItemSetState(
const AIndex: Integer; const AItem: TListItem; const AState: TListItemState;
const AIsSet: Boolean);
var
lclcb: TLCLListViewCallback;
begin
lclcb:= self.getCallback;
if NOT Assigned(lclcb) then
Exit;
case AState of
lisFocused,
lisSelected: begin
if lclcb.getItemStableSelection(AIndex) <> AIsSet then begin
_tableView.selectOneItemByIndex( AIndex, AIsSet );
end;
end;
end;
end;
procedure TCocoaWSListView_TableViewHandler.ItemSetText(
const AIndex: Integer; const AItem: TListItem; const ASubIndex: Integer;
const AText: String);
begin
_tableView.reloadDataForRow_column(AIndex, ASubIndex);
end;
procedure TCocoaWSListView_TableViewHandler.ItemShow(const AIndex: Integer;
const AItem: TListItem; const PartialOK: Boolean);
begin
_tableView.scrollRowToVisible(AItem.Index);
end;
function TCocoaWSListView_TableViewHandler.GetFocused: Integer;
begin
Result := _tableView.selectedRow;
end;
function TCocoaWSListView_TableViewHandler.GetItemAt(x, y: integer
): Integer;
begin
Result:= LCLCoordToRow(_tableView, x,y);
end;
function TCocoaWSListView_TableViewHandler.GetSelCount: Integer;
begin
Result:= _tableView.selectedRowIndexes.count;
end;
function TCocoaWSListView_TableViewHandler.GetSelection: Integer;
begin
Result:= _tableView.selectedRow;
end;
function TCocoaWSListView_TableViewHandler.GetTopItem: Integer;
begin
Result:= LCLGetTopRow( _tableView );
end;
function TCocoaWSListView_TableViewHandler.GetVisibleRowCount: Integer;
var
rows: NSRange;
begin
rows := _tableView.rowsInRect(_tableView.visibleRect());
Result := rows.length;
end;
procedure TCocoaWSListView_TableViewHandler.SelectAll(const AIsSet: Boolean
);
begin
if AIsSet then
_tableView.selectAll(_tableView)
else
_tableView.deselectAll(_tableView);
end;
procedure TCocoaWSListView_TableViewHandler.SetDefaultItemHeight(
const AValue: Integer);
begin
if AValue > 0 then
_tableView.CustomRowHeight:= AValue;
// setRowSizeStyle could be used here but is available only in 10.7+
end;
procedure TCocoaWSListView_TableViewHandler.SetImageList(
const AList: TListViewImageList; const AValue: TCustomImageListResolution);
var
lclcb: TLCLListViewCallback;
lvil: TListViewImageList;
spacing: NSSize;
begin
lclcb:= getCallback;
if NOT Assigned(lclcb) then
Exit;
if NOT lclcb.GetImageListType(lvil) then
Exit;
if AList <> lvil then
Exit;
if NOT Assigned(AValue) then
Exit;
_tableView.iconSize.Width:= AValue.Width;
_tableView.iconSize.Height:= AValue.Height;
_tableView.CustomRowHeight:= AValue.Height +
CocoaConfigListView.vsReport.row.imageLineSpacing;
_tableView.reloadData;
end;
procedure TCocoaWSListView_TableViewHandler.SetItemsCount(
const Avalue: Integer);
begin
_tableView.noteNumberOfRowsChanged();
end;
procedure TCocoaWSListView_TableViewHandler.SetProperty(
const AProp: TListViewProperty; const AIsSet: Boolean);
const
GridStyle : array [boolean] of NSUInteger = (
NSTableViewGridNone,
NSTableViewSolidHorizontalGridLineMask or NSTableViewSolidVerticalGridLineMask
);
begin
case AProp of
{lvpAutoArrange,}
lvpCheckboxes: _tableView.lclSetCheckboxes(AIsSet);
// lvpColumnClick: lTableLV.setAllowsColumnSelection(AIsSet);
{ lvpFlatScrollBars,
lvpFullDrag,}
lvpGridLines: _tableView.setGridStyleMask(GridStyle[AIsSet]);
{lvpHideSelection,
lvpHotTrack,}
lvpMultiSelect: _tableView.setAllowsMultipleSelection(AIsSet);
lvpOwnerDraw: _tableView.isOwnerDraw:= AIsSet;
lvpReadOnly: _tableView.readOnly := AIsSet;
{ lvpRowSelect,}
lvpShowColumnHeaders:
if (AIsSet <> Assigned(_tableView.headerView)) then
begin
if AIsSet then _tableView.setHeaderView ( NSTableHeaderView.alloc.init.autorelease )
else _tableView.setHeaderView(nil);
end;
{ lvpShowWorkAreas,
lvpWrapText,
lvpToolTips}
end;
end;
procedure TCocoaWSListView_TableViewHandler.SetScrollBars(
const AValue: TScrollStyle);
begin
ScrollViewSetScrollStyles(_listView.scrollView, AValue);
{$ifdef BOOLFIX}
_listView.setNeedsDisplay__(Ord(true));
{$else}
_listView.setNeedsDisplay_(true);
{$endif}
{$ifdef BOOLFIX}
_tableView.setNeedsDisplay__(Ord(true));
{$else}
_tableView.setNeedsDisplay_(true);
{$endif}
end;
procedure TCocoaWSListView_TableViewHandler.SetSort(const AType: TSortType;
const AColumn: Integer; const ASortDirection: TSortDirection);
begin
_tableView.deselectAll(nil);
_tableView.reloadData();
{ //todo:
lNSColumn.setSortDescriptorPrototype(
NSSortDescriptor.sortDescriptorWithKey_ascending_selector(
NSSTR('none'),
ASortDirection=sdAscending,
objcselector('none:')
)
);}
end;
{ TCocoaTableListViewProcessor }
function TCocoaTableListViewProcessor.isInitializing( tv: NSTableView ): Boolean;
var
cocoaTLV: TCocoaTableListView Absolute tv;
begin
Result:= False;
if NOT Assigned(cocoaTLV.callback) then
Exit;
Result:= TCocoaListView( self.getCallback(tv).Owner ).initializing;
end;
function TCocoaTableListViewProcessor.getLCLControlCanvas(tv: NSTableView
): TCanvas;
begin
Result:= TCustomListView(tv.lclGetTarget).Canvas;
end;
procedure TCocoaTableListViewProcessor.onSelectionChanged(tv: NSTableView);
var
NewSel: Integer;
rm : NSIndexSet;
ad : NSIndexSet;
selectionIndexSet: NSMutableIndexSet;
lclListView: TCustomListView;
cocoaTLV: TCocoaTableListView Absolute tv;
lclcb: TLCLListControlCallback;
begin
lclcb:= self.getCallback( tv );
lclListView:= TCustomListView( lclcb.Target );
selectionIndexSet:= lclcb.selectionIndexSet;
CompareIndexSets(selectionIndexSet, cocoaTLV.selectedRowIndexes, rm, ad);
if NOT cocoaTLV.selectingByProgram then begin
selectionIndexSet.removeAllIndexes;
selectionIndexSet.addIndexes( tv.selectedRowIndexes );
end;
if cocoaTLV.dontSendOnChangeMessage then
Exit;
NewSel := cocoaTLV.selectedRow();
sendSelectionChangedMsgToLCL( lclListView, NewSel, ad, rm );
end;
end.