Cocoa/ListView: in vsReport, change cellBase to viewBase, Merge branch 'cocoa/listview'

1. cellBase to viewBase
2. support checkboxes and icons at the same time
3. better support for selection
This commit is contained in:
rich2014 2024-08-12 18:49:30 +08:00
commit 097eba8da1
6 changed files with 566 additions and 791 deletions

View File

@ -8,7 +8,7 @@ interface
uses
Classes, SysUtils,
LclType, Controls,
LclType, Controls, ComCtrls,
MacOSAll, CocoaAll, CocoaGDIObjects;
type
@ -92,6 +92,7 @@ type
IListViewCallBack = interface(ICommonCallback)
function ItemsCount: Integer;
function GetImageListType( out lvil: TListViewImageList ): Boolean;
function GetItemTextAt(ARow, ACol: Integer; var Text: String): Boolean;
function GetItemCheckedAt(ARow, ACol: Integer; var CheckState: Integer): Boolean;
function GetItemImageAt(ARow, ACol: Integer; var imgIdx: Integer): Boolean;
@ -100,7 +101,7 @@ type
procedure SetItemCheckedAt(ARow, ACol: Integer; CheckState: Integer);
function shouldSelectionChange(NewSel: Integer): Boolean;
procedure ColumnClicked(ACol: Integer);
procedure DrawRow(rowidx: Integer; ctx: TCocoaContext; const r: TRect; state: TOwnerDrawState);
function DrawRow(rowidx: Integer; ctx: TCocoaContext; const r: TRect; state: TOwnerDrawState): Boolean;
procedure GetRowHeight(rowidx: Integer; var height: Integer);
function GetBorderStyle: TBorderStyle;
end;

View File

@ -31,6 +31,7 @@ type
constructor Create(AOwner: NSObject; ATarget: TWinControl; AHandleView: NSView); override;
destructor Destroy; override;
function ItemsCount: Integer;
function GetImageListType( out lvil: TListViewImageList ): Boolean;
function GetItemTextAt(ARow, ACol: Integer; var Text: String): Boolean;
function GetItemCheckedAt(ARow, ACol: Integer; var IsChecked: Integer): Boolean;
function GetItemImageAt(ARow, ACol: Integer; var imgIdx: Integer): Boolean;
@ -41,11 +42,10 @@ type
procedure selectOne(ARow: Integer; isSelected:Boolean );
function shouldSelectionChange(NewSel: Integer): Boolean;
procedure ColumnClicked(ACol: Integer);
procedure DrawRow(rowidx: Integer; ctx: TCocoaContext; const r: TRect;
state: TOwnerDrawState);
function DrawRow(rowidx: Integer; ctx: TCocoaContext; const r: TRect;
state: TOwnerDrawState): Boolean;
procedure GetRowHeight(rowidx: Integer; var h: Integer);
function GetBorderStyle: TBorderStyle;
function GetImageListType( out lvil: TListViewImageList ): Boolean;
procedure callTargetInitializeWnd;
end;
TLCLListViewCallBackClass = class of TLCLListViewCallback;
@ -180,7 +180,6 @@ var
controlFrame: NSRect;
backendControlAccess: TCocoaListViewBackendControlProtocol;
begin
Writeln( HexStr(@_allocFunc) );
_allocFunc( self, _viewStyle, _backendControl, _WSHandler );
controlFrame:= self.bounds;
@ -337,6 +336,7 @@ end;
function TLCLListViewCallback.GetItemImageAt(ARow, ACol: Integer;
var imgIdx: Integer): Boolean;
begin
imgIdx:= -1;
Result := (ACol >= 0) and ( (ACol<listView.ColumnCount) or ( ACol=0) )
and (ARow >= 0) and (ARow < listView.Items.Count);
@ -524,14 +524,16 @@ begin
LCLMessageGlue.DeliverMessage(ListView, Msg);
end;
procedure TLCLListViewCallback.DrawRow(rowidx: Integer; ctx: TCocoaContext;
const r: TRect; state: TOwnerDrawState);
function TLCLListViewCallback.DrawRow(rowidx: Integer; ctx: TCocoaContext;
const r: TRect; state: TOwnerDrawState): Boolean;
var
ALV: TCustomListViewAccess;
drawResult: TCustomDrawResult;
begin
ALV:= TCustomListViewAccess(self.listView);
ALV.Canvas.Handle:= HDC(ctx);
ALV.IntfCustomDraw( dtItem, cdPrePaint, rowidx, 0, [], nil );
drawResult:= ALV.IntfCustomDraw( dtItem, cdPrePaint, rowidx, 0, [], nil );
Result:= cdrSkipDefault in drawResult;
ALV.Canvas.Handle:= 0;
end;

File diff suppressed because it is too large Load Diff

View File

@ -212,6 +212,7 @@ class function TCocoaWSCustomCheckListBox.CreateHandle(
var
list: TCocoaTableListView;
scroll: TCocoaScrollView;
processor: TCocoaTableViewProcessor;
begin
list := AllocCocoaTableListView.lclInitWithCreateParams(AParams);
if not Assigned(list) then
@ -219,9 +220,10 @@ begin
Result := 0;
Exit;
end;
list.onSelectionChanged:= @TListBox_selectionChanged;
processor:= TCocoaTableListBoxProcessor.Create;
list.lclSetProcessor( processor );
list.callback := TLCLCheckboxListCallback.CreateWithView(list, AWinControl);
list.lclSetFirstColumCheckboxes(true);
list.lclSetCheckboxes(true);
//list.list := TCocoaStringList.Create(list);
list.addTableColumn(NSTableColumn.alloc.init.autorelease);
list.setHeaderView(nil);

View File

@ -96,10 +96,12 @@ type
procedure CocoaListViewAllocFuncImpl(const listView: NSView; const viewStyle: TViewStyle; out backendControl: NSView; out WSHandler: TCocoaWSListViewHandler );
var
cocoaListView: TCocoaListView Absolute listView;
processor: TCocoaTableViewProcessor;
begin
if viewStyle = vsReport then begin
backendControl:= AllocCocoaTableListView;
TCocoaTableListView(backendControl).onSelectionChanged:= CocoaTables.TListView_onSelectionChanged;
processor:= TCocoaTableListViewProcessor.Create;
TCocoaTableListView(backendControl).lclSetProcessor( processor );
WSHandler:= TCocoaWSListView_TableViewHandler.Create( cocoaListView );
end else begin
backendControl:= AllocCocoaCollectionView( viewStyle );

View File

@ -129,6 +129,15 @@ type
class procedure SetTextHint(const ACustomComboBox: TCustomComboBox; const ATextHint: string); override;
end;
{ TCocoaTableListBoxProcessor }
TCocoaTableListBoxProcessor = class( TCocoaTableViewProcessor )
function isInitializing( tv: NSTableView ): Boolean; override;
procedure onReloadData(tv: NSTableView); override;
procedure onSelectOneItem( tv: NSTableView; selection: NSIndexSet ); override;
procedure onSelectionChanged(tv: NSTableView); override;
end;
{ TCocoaWSCustomListBox }
TCocoaWSCustomListBox = class(TWSCustomListBox)
@ -269,6 +278,7 @@ type
constructor CreateWithView(AOwner: TCocoaTableListView; ATarget: TWinControl);
destructor Destroy; override;
function ItemsCount: Integer; virtual;
function GetImageListType(out lvil: TListViewImageList): Boolean; virtual;
function GetItemTextAt(ARow, ACol: Integer; var Text: String): Boolean; virtual;
function GetItemCheckedAt(ARow, ACol: Integer; var isChecked: Integer): Boolean; virtual;
function GetItemImageAt(ARow, ACol: Integer; var imgIdx: Integer): Boolean; virtual;
@ -277,7 +287,7 @@ type
procedure SetItemCheckedAt(ARow, ACol: Integer; isChecked: Integer); virtual;
function shouldSelectionChange(NewSel: Integer): Boolean; virtual;
procedure ColumnClicked(ACol: Integer); virtual;
procedure DrawRow(rowidx: Integer; ctx: TCocoaContext; const r: TRect; state: TOwnerDrawState); virtual;
function DrawRow(rowidx: Integer; ctx: TCocoaContext; const r: TRect; state: TOwnerDrawState): Boolean; virtual;
procedure GetRowHeight(rowidx: integer; var h: Integer); virtual;
function GetBorderStyle: TBorderStyle;
end;
@ -380,8 +390,6 @@ procedure ComboBoxSetBorderStyle(box: NSComboBox; astyle: TBorderStyle);
// LCL expects a change notification in either way. (by software or by user)
procedure ControlSetTextWithChangeEvent(ctrl: NSControl; const text: string);
procedure TListBox_selectionChanged( tv: NSTableView );
implementation
function AllocButton(const ATarget: TWinControl; const ACallBackClass: TLCLButtonCallBackClass; const AParams: TCreateParams; btnBezel: NSBezelStyle; btnType: NSButtonType): TCocoaButton;
@ -604,6 +612,12 @@ begin
Result := strings.Count;
end;
function TLCLListBoxCallback.GetImageListType(out lvil: TListViewImageList
): Boolean;
begin
Result:= False;
end;
function TLCLListBoxCallback.GetItemTextAt(ARow, ACol: Integer; var Text: String): Boolean;
begin
Result := (ARow>=0) and (ARow < strings.Count);
@ -650,17 +664,21 @@ begin
// not needed
end;
procedure TLCLListBoxCallback.DrawRow(rowidx: Integer; ctx: TCocoaContext;
const r: TRect; state: TOwnerDrawState);
function TLCLListBoxCallback.DrawRow(rowidx: Integer; ctx: TCocoaContext;
const r: TRect; state: TOwnerDrawState): Boolean;
var
DrawStruct: TDrawListItemStruct;
begin
if not listview.isOwnerDraw then Exit;
Result:= False;
if NOT listview.isOwnerDraw then
Exit;
DrawStruct.ItemState := state;
DrawStruct.Area := r;
DrawStruct.DC := HDC(ctx);
DrawStruct.ItemID := rowIdx;
LCLSendDrawListItemMsg(Target, @DrawStruct);
Result:= True;
end;
procedure TLCLListBoxCallback.GetRowHeight(rowidx: integer; var h: Integer);
@ -674,23 +692,6 @@ begin
Result:= TCustomListBox(Target).BorderStyle;
end;
procedure TListBox_selectionChanged( tv: NSTableView );
var
lclListView: TCustomListView;
cocoaTLV: TCocoaTableListView Absolute tv;
lclcb: TLCLListBoxCallback;
begin
if NOT Assigned(cocoaTLV.callback) then
Exit;
lclcb:= TLCLListBoxCallback( cocoaTLV.callback.GetCallbackObject );
lclListView:= TCustomListView( lclcb.Target );
// do not notify about selection changes while clearing
if Assigned(lclcb.strings) and (lclcb.strings.isClearing) then Exit;
SendSimpleMessage(lclListView, LM_SELCHANGE);
end;
{ TLCLCheckBoxCallback }
procedure TLCLCheckBoxCallback.ButtonClick;
@ -2402,10 +2403,42 @@ begin
cb.BlockCocoaMouseMove:=true;
end;
function TCocoaTableListBoxProcessor.isInitializing(tv: NSTableView): Boolean;
begin
Result:= False;
end;
procedure TCocoaTableListBoxProcessor.onReloadData(tv: NSTableView);
begin
end;
procedure TCocoaTableListBoxProcessor.onSelectOneItem(tv: NSTableView;
selection: NSIndexSet);
begin
end;
procedure TCocoaTableListBoxProcessor.onSelectionChanged(tv: NSTableView);
var
lclListView: TCustomListView;
cocoaTLV: TCocoaTableListView Absolute tv;
lclcb: TLCLListBoxCallback;
begin
if NOT Assigned(cocoaTLV.callback) then
Exit;
lclcb:= TLCLListBoxCallback( cocoaTLV.callback.GetCallbackObject );
lclListView:= TCustomListView( lclcb.Target );
// do not notify about selection changes while clearing
if Assigned(lclcb.strings) and (lclcb.strings.isClearing) then Exit;
SendSimpleMessage(lclListView, LM_SELCHANGE);
end;
class function TCocoaWSCustomListBox.CreateHandle(const AWinControl:TWinControl;
const AParams:TCreateParams):TLCLHandle;
var
list : TCocoaTableListView;
processor: TCocoaTableViewProcessor;
column : NSTableColumn;
scroll : TCocoaScrollView;
lclListBox: TCustomListBox absolute AWinControl;
@ -2417,8 +2450,8 @@ begin
Result := 0;
Exit;
end;
list.onSelectionChanged:= @TListBox_selectionChanged;
processor:= TCocoaTableListBoxProcessor.Create;
list.lclSetProcessor( processor );
cb := TLCLListBoxCallback.CreateWithView(list, AWinControl);
list.callback := cb;