lazarus/lcl/interfaces/qt/qtwsstdctrls.pp
zeljko d7bbf26d6d Qt: TQtWSScrollBar cleanups.
git-svn-id: trunk@12341 -
2007-10-06 09:38:48 +00:00

1323 lines
45 KiB
ObjectPascal

{ $Id$}
{
*****************************************************************************
* QtWSStdCtrls.pp *
* --------------- *
* *
* *
*****************************************************************************
*****************************************************************************
* *
* This file is part of the Lazarus Component Library (LCL) *
* *
* See the file COPYING.modifiedLGPL, included in this distribution, *
* for details about the copyright. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* *
*****************************************************************************
}
unit QtWSStdCtrls;
{$mode delphi}{$H+}
interface
uses
// Bindings
{$ifdef USE_QT_4_3}
qt43,
{$else}
qt4,
{$endif}
qtprivate, qtwidgets, qtproc, QtWsControls,
// RTL
math,
// LCL
Classes, Types, StdCtrls, Controls, Graphics, Forms, SysUtils, InterfaceBase, LCLType, LCLIntf, LCLProc,
// Widgetset
WSProc, WSStdCtrls, WSLCLClasses;
type
{ TQtWSScrollBar }
TQtWSScrollBar = class(TWSScrollBar)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle; override;
class procedure SetParams(const AScrollBar: TCustomScrollBar); override;
end;
{ TQtWSCustomGroupBox }
TQtWSCustomGroupBox = class(TWSCustomGroupBox)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle; override;
class function GetDefaultClientRect(const AWinControl: TWinControl;
const aLeft, aTop, aWidth, aHeight: integer; var aClientRect: TRect
): boolean; override;
end;
{ TQtWSGroupBox }
TQtWSGroupBox = class(TWSGroupBox)
private
protected
public
end;
{ TQtWSCustomComboBox }
TQtWSCustomComboBox = class(TWSCustomComboBox)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle; override;
public
class function GetItemIndex(const ACustomComboBox: TCustomComboBox): integer; override;
class function GetMaxLength(const ACustomComboBox: TCustomComboBox): integer; override;
class procedure SetArrowKeysTraverseList(const ACustomComboBox: TCustomComboBox;
NewTraverseList: boolean); override;
class procedure SetDropDownCount(const ACustomComboBox: TCustomComboBox; NewCount: Integer); override;
class procedure SetItemIndex(const ACustomComboBox: TCustomComboBox; NewIndex: integer); override;
class procedure SetStyle(const ACustomComboBox: TCustomComboBox; NewStyle: TComboBoxStyle); override;
class function GetItems(const ACustomComboBox: TCustomComboBox): TStrings; override;
class procedure Sort(const ACustomComboBox: TCustomComboBox; AList: TStrings; IsSorted: boolean); override;
end;
{ TQtWSComboBox }
TQtWSComboBox = class(TWSComboBox)
private
protected
public
end;
{ TQtWSCustomListBox }
TQtWSCustomListBox = class(TWSCustomListBox)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle; override;
public
class function GetIndexAtY(const ACustomListBox: TCustomListBox; y: integer): integer; override;
class function GetItemIndex(const ACustomListBox: TCustomListBox): integer; override;
class function GetItemRect(const ACustomListBox: TCustomListBox; Index: integer; var ARect: TRect): boolean; override;
class function GetSelCount(const ACustomListBox: TCustomListBox): integer; override;
class function GetSelected(const ACustomListBox: TCustomListBox; const AIndex: integer): boolean; override;
class function GetStrings(const ACustomListBox: TCustomListBox): TStrings; override;
class function GetTopIndex(const ACustomListBox: TCustomListBox): integer; override;
class procedure SelectItem(const ACustomListBox: TCustomListBox; AIndex: integer; ASelected: boolean); override;
class procedure SetBorder(const ACustomListBox: TCustomListBox); override;
class procedure SetColumnCount(const ACustomListBox: TCustomListBox; ACount: Integer); override;
class procedure SetItemIndex(const ACustomListBox: TCustomListBox; const AIndex: integer); override;
class procedure SetSelectionMode(const ACustomListBox: TCustomListBox; const AExtendedSelect, AMultiSelect: boolean); override;
class procedure SetSorted(const ACustomListBox: TCustomListBox; AList: TStrings; ASorted: boolean); override;
class procedure SetStyle(const ACustomListBox: TCustomListBox); override;
class procedure SetTopIndex(const ACustomListBox: TCustomListBox; const NewTopIndex: integer); override;
end;
{ TQtWSListBox }
TQtWSListBox = class(TWSListBox)
private
protected
public
end;
{ TQtWSCustomEdit }
TQtWSCustomEdit = class(TWSCustomEdit)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND; override;
public
class procedure SetEchoMode(const ACustomEdit: TCustomEdit; NewMode: TEchoMode); override;
class procedure SetMaxLength(const ACustomEdit: TCustomEdit; NewLength: integer); override;
class procedure SetReadOnly(const ACustomEdit: TCustomEdit; NewReadOnly: boolean); override;
class function GetSelStart(const ACustomEdit: TCustomEdit): integer; override;
class function GetSelLength(const ACustomEdit: TCustomEdit): integer; override;
class procedure SetSelStart(const ACustomEdit: TCustomEdit; NewStart: integer); override;
class procedure SetSelLength(const ACustomEdit: TCustomEdit; NewLength: integer); override;
//class procedure SetPasswordChar(const ACustomEdit: TCustomEdit; NewChar: char); override;
//class procedure GetPreferredSize(const AWinControl: TWinControl; var PreferredWidth, PreferredHeight: integer); override;
end;
{ TQtWSCustomMemo }
TQtWSCustomMemo = class(TWSCustomMemo)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND; override;
public
class procedure AppendText(const ACustomMemo: TCustomMemo; const AText: string); override;
class procedure SetAlignment(const ACustomMemo: TCustomMemo; const AAlignment: TAlignment); override;
class function GetStrings(const ACustomMemo: TCustomMemo): TStrings; override;
class procedure SetScrollbars(const ACustomMemo: TCustomMemo; const NewScrollbars: TScrollStyle); override;
class procedure SetWantReturns(const ACustomMemo: TCustomMemo; const NewWantReturns: boolean); override;
class procedure SetWantTabs(const ACustomMemo: TCustomMemo; const NewWantTabs: boolean); override;
class procedure SetWordWrap(const ACustomMemo: TCustomMemo; const NewWordWrap: boolean); override;
//class procedure GetPreferredSize(const AWinControl: TWinControl; var PreferredWidth, PreferredHeight: integer); override;
end;
{ TQtWSEdit }
TQtWSEdit = class(TWSEdit)
private
protected
public
end;
{ TQtWSMemo }
TQtWSMemo = class(TWSMemo)
private
protected
public
end;
{ TQtWSButtonControl }
TQtWSButtonControl = class(TWSButtonControl)
private
protected
public
end;
{ TQtWSButton }
TQtWSButton = class(TWSButton)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
class procedure SetDefault(const AButton: TCustomButton; ADefault: Boolean); override;
class procedure SetShortcut(const AButton: TCustomButton; const OldShortcut, NewShortcut: TShortcut); override;
class procedure SetColor(const AWinControl: TWinControl); override;
{class procedure GetPreferredSize(const AWinControl: TWinControl;
var PreferredWidth, PreferredHeight: integer; WithThemeSpace: Boolean); override;}
end;
{ TQtWSCustomCheckBox }
TQtWSCustomCheckBox = class(TWSCustomCheckBox)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle; override;
class procedure SetShortCut(const ACustomCheckBox: TCustomCheckBox;
const OldShortCut, NewShortCut: TShortCut); override;
class procedure SetState(const ACustomCheckBox: TCustomCheckBox; const NewState: TCheckBoxState); override;
class function RetrieveState(const ACustomCheckBox: TCustomCheckBox): TCheckBoxState; override;
end;
{ TQtWSCheckBox }
TQtWSCheckBox = class(TWSCheckBox)
private
protected
public
end;
{ TQtWSToggleBox }
TQtWSToggleBox = class(TWSToggleBox)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle; override;
class procedure SetShortCut(const ACustomCheckBox: TCustomCheckBox;
const OldShortCut, NewShortCut: TShortCut); override;
class procedure SetState(const ACustomCheckBox: TCustomCheckBox; const NewState: TCheckBoxState); override;
class function RetrieveState(const ACustomCheckBox: TCustomCheckBox): TCheckBoxState; override;
end;
{ TQtWSRadioButton }
TQtWSRadioButton = class(TWSRadioButton)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle; override;
class procedure SetShortCut(const ACustomCheckBox: TCustomCheckBox;
const OldShortCut, NewShortCut: TShortCut); override;
class procedure SetState(const ACustomCheckBox: TCustomCheckBox; const NewState: TCheckBoxState); override;
class function RetrieveState(const ACustomCheckBox: TCustomCheckBox): TCheckBoxState; override;
end;
{ TQtWSCustomStaticText }
TQtWSCustomStaticText = class(TWSCustomStaticText)
private
protected
public
class function CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
class procedure SetAlignment(const ACustomStaticText: TCustomStaticText; const NewAlignment: TAlignment); override;
end;
{ TQtWSStaticText }
TQtWSStaticText = class(TWSStaticText)
private
protected
public
end;
implementation
uses
LMessages;
const
QtMaxEditLength = 32767;
WordWrapMap: array[Boolean] of QTextEditLineWrapMode =
(
QTextEditNoWrap,
QTextEditWidgetWidth
);
{ TQtWSScrollBar }
{------------------------------------------------------------------------------
Method: TQtWSCustomScrollBar.CreateHandle
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSScrollBar.CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): HWND;
var
QtScrollBar: TQtScrollBar;
begin
QtScrollBar := TQtScrollBar.Create(AWinControl, AParams);
QtScrollBar.AttachEvents;
Result := THandle(QtScrollbar);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomScrollBar.SetParams
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSScrollBar.SetParams(const AScrollBar: TCustomScrollBar);
var
QtScrollBar: TQtScrollBar;
begin
QtScrollBar := TQtScrollBar(AScrollBar.Handle);
QtScrollBar.setPageStep(AScrollBar.PageSize);
QtScrollBar.setSingleStep((AScrollBar.PageSize div 6) + 1);
QtScrollBar.setRange(AScrollBar.Min, AScrollBar.Max);
QtScrollBar.setValue(AScrollBar.Position);
case AScrollBar.Kind of
sbHorizontal:
begin
QtScrollBar.SetOrientation(QtHorizontal);
QtScrollBar.setInvertedAppereance(False);
QtScrollBar.setInvertedControls(False);
end;
sbVertical:
begin
QtScrollBar.SetOrientation(QtVertical);
QtScrollBar.setInvertedAppereance(False);
QtScrollBar.setInvertedControls(True);
end;
end;
end;
{ TQtWSCustomListBox }
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.CreateHandle
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomListBox.CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): HWND;
var
QtListWidget: TQtListWidget;
SelMode: QAbstractItemViewSelectionMode;
begin
QtListWidget := TQtListWidget.Create(AWinControl, AParams);
if TCustomListBox(AWinControl).MultiSelect then
if TCustomListBox(AWinControl).ExtendedSelect then
SelMode := QAbstractItemViewExtendedSelection
else
SelMode := QAbstractItemViewMultiSelection
else
SelMode := QAbstractItemViewSingleSelection;
QtListWidget.setSelectionMode(SelMode);
QtListWidget.AttachEvents;
// create our FList helper
QtListWidget.FList := TQtListStrings.Create(QtListWidget);
QtListWidget.OwnerDrawn := TCustomListBox(AWinControl).Style in [lbOwnerDrawFixed, lbOwnerDrawVariable];
Result := THandle(QtListWidget);
end;
class function TQtWSCustomListBox.GetIndexAtY(
const ACustomListBox: TCustomListBox; y: integer): integer;
var
APoint: TQtPoint;
begin
APoint := QtPoint(1, y);
Result := TQtListWidget(ACustomListBox.Handle).indexAt(@APoint);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.GetSelCount
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomListBox.GetSelCount(const ACustomListBox: TCustomListBox): integer;
var
QtListWidget: TQtListWidget;
SelectedItems: TIntArray;
begin
QtListWidget := TQtListWidget(ACustomListBox.Handle);
QListWidget_selectedItems(QListWidgetH(QtListWidget.Widget), @SelectedItems);
Result := Length(SelectedItems);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.GetSelected
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomListBox.GetSelected(const ACustomListBox: TCustomListBox; const AIndex: integer): boolean;
var
QtListWidget: TQtListWidget;
ListItem: QListWidgetItemH;
begin
QtListWidget := TQtListWidget(ACustomListBox.Handle);
ListItem := QListWidget_item(QListWidgetH(QtListWidget.Widget), AIndex);
if ListItem <> nil then
Result := QListWidget_isItemSelected(QListWidgetH(QtListWidget.Widget), ListItem)
else
Result := False;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.GetStrings
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomListBox.GetStrings(const ACustomListBox: TCustomListBox): TStrings;
var
ListWidget: TQtListWidget;
begin
ListWidget := TQtListWidget(ACustomListBox.Handle);
if not Assigned(ListWidget.FList) then
ListWidget.FList := TQtListStrings.Create(ListWidget);
Result := ListWidget.FList;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.GetItemIndex
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomListBox.GetItemIndex(const ACustomListBox: TCustomListBox): integer;
begin
Result := TQtListWidget(ACustomListBox.Handle).currentRow;
end;
class function TQtWSCustomListBox.GetItemRect(
const ACustomListBox: TCustomListBox; Index: integer; var ARect: TRect
): boolean;
var
ModelIndex: QModelIndexH;
begin
ModelIndex := QModelIndex_create();
TQtListWidget(ACustomListBox.Handle).ModelIndex(ModelIndex, Index, 0);
ARect := TQtListWidget(ACustomListBox.Handle).visualRect(ModelIndex);
QModelIndex_destroy(ModelIndex);
Result := True;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.GetTopIndex
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomListBox.GetTopIndex(const ACustomListBox: TCustomListBox): integer;
begin
Result := 0;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.SelectItem
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomListBox.SelectItem(const ACustomListBox: TCustomListBox;
AIndex: integer; ASelected: boolean);
var
QtListWidget: TQtListWidget;
ListItem: QListWidgetItemH;
begin
QtListWidget := TQtListWidget(ACustomListBox.Handle);
ListItem := QListWidget_item(QListWidgetH(QtListWidget.Widget), AIndex);
if ListItem <> nil then
QListWidget_setItemSelected(QListWidgetH(QtListWidget.Widget), ListItem, ASelected);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.SetBorder
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomListBox.SetBorder(const ACustomListBox: TCustomListBox);
begin
if not WSCheckHandleAllocated(ACustomListBox, 'SetBorder') then
Exit;
TQtWSWinControl.SetBorderStyle(ACustomListBox, ACustomListBox.BorderStyle);
end;
class procedure TQtWSCustomListBox.SetColumnCount(const ACustomListBox: TCustomListBox; ACount: Integer);
{var
QtListWidget: TQtListWidget;
AModel: QAbstractItemModelH;}
begin
{$note implement}
{ QtListWidget := TQtListWidget(ACustomListBox.Handle);
AModel := QtListWidget.getModel;
if QAbstractItemModel_columnCount(AModel) <> ACount then
QAbstractItemModel_insertColumns(AModel, 0, ACount);
}
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.SetItemIndex
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomListBox.SetItemIndex(const ACustomListBox: TCustomListBox; const AIndex: integer);
begin
TQtListWidget(ACustomListBox.Handle).setCurrentRow(AIndex);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.SetSelectionMode
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomListBox.SetSelectionMode(
const ACustomListBox: TCustomListBox; const AExtendedSelect, AMultiSelect: boolean);
var
QtListWidget: TQtListWidget;
SelMode: QAbstractItemViewSelectionMode;
begin
if not WSCheckHandleAllocated(ACustomListBox, 'SetSelectionMode') then
Exit;
QtListWidget := TQtListWidget(ACustomListBox.Handle);
if AMultiSelect then
if AExtendedSelect then
SelMode := QAbstractItemViewExtendedSelection
else
SelMode := QAbstractItemViewMultiSelection
else
SelMode := QAbstractItemViewSingleSelection;
QtListWidget.setSelectionMode(SelMode);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.SetSorted
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomListBox.SetSorted(const ACustomListBox: TCustomListBox;
AList: TStrings; ASorted: boolean);
begin
TQtListStrings(AList).Sorted := ASorted;
end;
class procedure TQtWSCustomListBox.SetStyle(const ACustomListBox: TCustomListBox);
begin
TQtListWidget(ACustomListBox.Handle).OwnerDrawn :=
ACustomListBox.Style in [lbOwnerDrawFixed, lbOwnerDrawVariable];
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomListBox.SetTopIndex
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomListBox.SetTopIndex(const ACustomListBox: TCustomListBox;
const NewTopIndex: integer);
begin
TQtListWidget(ACustomListBox.Handle).scrollToItem(NewTopIndex, QAbstractItemViewPositionAtTop);
end;
{ TQtWSCustomMemo }
{------------------------------------------------------------------------------
Method: TQtWSCustomMemo.CreateHandle
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomMemo.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND;
var
QtTextEdit: TQtTextEdit;
begin
QtTextEdit := TQtTextEdit.Create(AWinControl, AParams);
QtTextEdit.AttachEvents;
QtTextEdit.setAlignment(AlignmentMap[TCustomMemo(AWinControl).Alignment]);
QtTextEdit.setReadOnly(TCustomMemo(AWinControl).ReadOnly);
QtTextEdit.setLineWrapMode(WordWrapMap[TCustomMemo(AWinControl).WordWrap]);
// create our FList helper
QtTextEdit.FList := TQtMemoStrings.Create(QTextEditH(QtTextEdit.Widget), TCustomMemo(AWinControl));
QtTextEdit.setScrollStyle(TCustomMemo(AWinControl).ScrollBars);
QtTextEdit.setTabChangesFocus(not TCustomMemo(AWinControl).WantTabs);
Result := THandle(QtTextEdit);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomMemo.AppendText
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomMemo.AppendText(const ACustomMemo: TCustomMemo; const AText: string);
var
AStr: WideString;
begin
if not WSCheckHandleAllocated(ACustomMemo, 'AppendText') or (Length(AText) = 0) then
Exit;
AStr := GetUtf8String(AText);
TQtTextEdit(ACustomMemo.Handle).append(AStr);
end;
class procedure TQtWSCustomMemo.SetAlignment(const ACustomMemo: TCustomMemo;
const AAlignment: TAlignment);
begin
if not WSCheckHandleAllocated(ACustomMemo, 'SetAlignment') then
Exit;
TQtTextEdit(ACustomMemo.Handle).setAlignment(AlignmentMap[AAlignment]);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomMemo.GetStrings
Params: None
Returns: Memo Contents as TStrings
------------------------------------------------------------------------------}
class function TQtWSCustomMemo.GetStrings(const ACustomMemo: TCustomMemo): TStrings;
var
TextEditH: QTextEditH;
begin
if not WSCheckHandleAllocated(ACustomMemo, 'GetStrings') then
Exit;
if not Assigned(TQtTextEdit(ACustomMemo.Handle).FList) then
begin
TextEditH := QTextEditH((TQtTextEdit(ACustomMemo.Handle).Widget)); // set to proper type
TQtTextEdit(ACustomMemo.Handle).FList := TQtMemoStrings.Create(TextEditH, ACustomMemo);
end;
Result := TQtTextEdit(ACustomMemo.Handle).FList;
end;
class procedure TQtWSCustomMemo.SetScrollbars(const ACustomMemo: TCustomMemo;
const NewScrollbars: TScrollStyle);
begin
if not WSCheckHandleAllocated(ACustomMemo, 'SetScrollBars') then
Exit;
TQtTextEdit(ACustomMemo.Handle).setScrollStyle(NewScrollBars);
end;
class procedure TQtWSCustomMemo.SetWantReturns(const ACustomMemo: TCustomMemo;
const NewWantReturns: boolean);
begin
if not WSCheckHandleAllocated(ACustomMemo, 'SetWantReturns') then
Exit;
with TQtTextEdit(ACustomMemo.Handle) do
begin
if NewWantReturns then
KeysToEat := KeysToEat - [VK_RETURN]
else
KeysToEat := KeysToEat + [VK_RETURN];
end;
end;
class procedure TQtWSCustomMemo.SetWantTabs(const ACustomMemo: TCustomMemo;
const NewWantTabs: boolean);
begin
if not WSCheckHandleAllocated(ACustomMemo, 'SetWantTabs') then
Exit;
with TQtTextEdit(ACustomMemo.Handle) do
begin
setTabChangesFocus(not NewWantTabs);
if NewWantTabs then
KeysToEat := KeysToEat - [VK_TAB]
else
KeysToEat := KeysToEat + [VK_TAB];
end;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomMemo.SetWordWrap
Params: NewWordWrap boolean
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomMemo.SetWordWrap(const ACustomMemo: TCustomMemo; const NewWordWrap: boolean);
begin
if not WSCheckHandleAllocated(ACustomMemo, 'SetWordWrap') then
Exit;
TQtTextEdit(ACustomMemo.Handle).setLineWrapMode(WordWrapMap[NewWordWrap]);
end;
{ TQtWSCustomEdit }
{------------------------------------------------------------------------------
Method: TQtWSCustomEdit.CreateHandle
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomEdit.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND;
var
QtLineEdit: TQtLineEdit;
begin
QtLineEdit := TQtLineEdit.Create(AWinControl, AParams);
QtLineEdit.AttachEvents;
Result := THandle(QtLineEdit);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomEdit.SetEchoMode
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomEdit.SetEchoMode(const ACustomEdit: TCustomEdit; NewMode: TEchoMode);
var
Widget: TQtWidget;
QtEdit: IQtEdit;
begin
if not WSCheckHandleAllocated(ACustomEdit, 'SetEchoMode') then
Exit;
Widget := TQtWidget(ACustomEdit.Handle);
if Supports(Widget, IQtEdit, QtEdit) then
QtEdit.setEchoMode(QLineEditEchoMode(Ord(NewMode)));
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomEdit.SetMaxLength
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomEdit.SetMaxLength(const ACustomEdit: TCustomEdit; NewLength: integer);
var
Widget: TQtWidget;
QtEdit: IQtEdit;
MaxLength: Integer;
begin
if not WSCheckHandleAllocated(ACustomEdit, 'SetMaxLength') then
Exit;
Widget := TQtWidget(ACustomEdit.Handle);
if Supports(Widget, IQtEdit, QtEdit) then
begin
// qt doesn't accept -1
MaxLength := QtEdit.getMaxLength;
if (NewLength <= 0) or (NewLength > QtMaxEditLength) then
NewLength := QtMaxEditLength;
if NewLength <> MaxLength then
QtEdit.setMaxLength(NewLength);
end;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomEdit.SetReadOnly
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomEdit.SetReadOnly(const ACustomEdit: TCustomEdit; NewReadOnly: boolean);
var
Widget: TQtWidget;
QtEdit: IQtEdit;
begin
if not WSCheckHandleAllocated(ACustomEdit, 'SetReadOnly') then
Exit;
Widget := TQtWidget(ACustomEdit.Handle);
if Supports(Widget, IQtEdit, QtEdit) then
QtEdit.setReadOnly(NewReadOnly);
end;
class function TQtWSCustomEdit.GetSelStart(const ACustomEdit: TCustomEdit): integer;
var
Widget: TQtWidget;
QtEdit: IQtEdit;
begin
Result := 0;
if not WSCheckHandleAllocated(ACustomEdit, 'GetSelStart') then
Exit;
Widget := TQtWidget(ACustomEdit.Handle);
if Supports(Widget, IQtEdit, QtEdit) then
Result := QtEdit.getSelectionStart;
end;
class function TQtWSCustomEdit.GetSelLength(const ACustomEdit: TCustomEdit): integer;
var
Widget: TQtWidget;
QtEdit: IQtEdit;
begin
Result := 0;
if not WSCheckHandleAllocated(ACustomEdit, 'GetSelLength') then
Exit;
Widget := TQtWidget(ACustomEdit.Handle);
if Supports(Widget, IQtEdit, QtEdit) then
Result := QtEdit.getSelectionLength;
end;
class procedure TQtWSCustomEdit.SetSelStart(const ACustomEdit: TCustomEdit;
NewStart: integer);
var
Widget: TQtWidget;
QtEdit: IQtEdit;
ALength: Integer;
begin
if not WSCheckHandleAllocated(ACustomEdit, 'SetSelStart') then
Exit;
Widget := TQtWidget(ACustomEdit.Handle);
ALength := GetSelLength(ACustomEdit);
if Supports(Widget, IQtEdit, QtEdit) then
QtEdit.setSelection(NewStart, ALength);
end;
class procedure TQtWSCustomEdit.SetSelLength(const ACustomEdit: TCustomEdit;
NewLength: integer);
var
Widget: TQtWidget;
QtEdit: IQtEdit;
AStart: Integer;
begin
if not WSCheckHandleAllocated(ACustomEdit, 'SetSelLength') then
Exit;
Widget := TQtWidget(ACustomEdit.Handle);
AStart := GetSelStart(ACustomEdit);
if Supports(Widget, IQtEdit, QtEdit) then
QtEdit.setSelection(AStart, NewLength);
end;
{ TQtWSStaticText }
{------------------------------------------------------------------------------
Method: TQtWSCustomStaticText.CreateHandle
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomStaticText.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle;
var
QtStaticText: TQtStaticText;
begin
QtStaticText := TQtStaticText.Create(AWinControl, AParams);
QtStaticText.AttachEvents;
QtStaticText.setAlignment(AlignmentMap[TCustomStaticText(AWinControl).Alignment]);
// Returns the Handle
Result := THandle(QtStaticText);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomStaticText.SetAlignment
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomStaticText.SetAlignment(
const ACustomStaticText: TCustomStaticText; const NewAlignment: TAlignment);
begin
TQtStaticText(ACustomStaticText.Handle).setAlignment(AlignmentMap[NewAlignment]);
end;
{ TQtWSButton }
{------------------------------------------------------------------------------
Function: TQtWSButton.CreateHandle
Params: None
Returns: Nothing
Allocates memory and resources for the control and shows it
------------------------------------------------------------------------------}
class function TQtWSButton.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle;
var
QtPushButton: TQtPushButton;
begin
QtPushButton := TQtPushButton.Create(AWinControl, AParams);
QtPushButton.AttachEvents;
// Returns the Handle
Result := THandle(QtPushButton);
end;
class procedure TQtWSButton.SetDefault(const AButton: TCustomButton;
ADefault: Boolean);
var
APushButton: QPushButtonH;
begin
APushButton := QPushButtonH(TQtAbstractButton(AButton.Handle).Widget);
QPushButton_setDefault(APushButton, ADefault);
end;
class procedure TQtWSButton.SetShortcut(const AButton: TCustomButton;
const OldShortcut, NewShortcut: TShortcut);
begin
if not WSCheckHandleAllocated(AButton, 'SetShortcut') then Exit;
TQtAbstractButton(AButton.Handle).setShortcut(NewShortcut);
end;
{class procedure TQtWSButton.GetPreferredSize(const AWinControl: TWinControl;
var PreferredWidth, PreferredHeight: integer; WithThemeSpace: Boolean);
begin
PreferredWidth := QStyle_pixelMetric(QApplication_style(), QStylePM_DialogButtonsButtonWidth);
PreferredHeight := QStyle_pixelMetric(QApplication_style(), QStylePM_DialogButtonsButtonHeight);
end;}
{------------------------------------------------------------------------------
Method: TQtWSButton.SetColor
Params: AWinControl - the calling object
Returns: Nothing
Sets the color of the widget.
------------------------------------------------------------------------------}
class procedure TQtWSButton.SetColor(const AWinControl: TWinControl);
var
QColor: TQColor;
Color: TColor;
begin
if not WSCheckHandleAllocated(AWincontrol, 'SetColor') then Exit;
if AWinControl.Color = CLR_INVALID then exit;
// Get the color numeric value (system colors are mapped to numeric colors depending on the widget style)
Color:=ColorToRGB(AWinControl.Color);
// Fill QColor
QColor_setRgb(@QColor,Red(Color),Green(Color),Blue(Color));
// Set color of the widget to QColor
TQtAbstractButton(AWinControl.Handle).SetColor(@QColor);
end;
{ TQtWSCustomCheckBox }
{------------------------------------------------------------------------------
Method: TQtWSCustomCheckBox.RetrieveState
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSCustomCheckBox.RetrieveState(const ACustomCheckBox: TCustomCheckBox): TCheckBoxState;
begin
case TQtCheckBox(ACustomCheckBox.Handle).CheckState of
QtPartiallyChecked: Result := cbGrayed;
QtChecked: Result := cbChecked;
else
Result := cbUnchecked;
end;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomCheckBox.SetShortCut
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomCheckBox.SetShortCut(const ACustomCheckBox: TCustomCheckBox;
const OldShortCut, NewShortCut: TShortCut);
begin
if not WSCheckHandleAllocated(ACustomCheckBox, 'SetShortcut') then Exit;
TQtCheckBox(ACustomCheckBox.Handle).setShortcut(NewShortcut);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomCheckBox.SetState
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSCustomCheckBox.SetState(const ACustomCheckBox: TCustomCheckBox; const NewState: TCheckBoxState);
begin
case NewState of
cbGrayed: TQtCheckBox(ACustomCheckBox.Handle).setCheckState(QtPartiallyChecked);
cbChecked: TQtCheckBox(ACustomCheckBox.Handle).setCheckState(QtChecked);
else
TQtCheckBox(ACustomCheckBox.Handle).setCheckState(QtUnchecked);
end;
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomCheckBox.CreateHandle
Params: None
Returns: Nothing
Allocates memory and resources for the control and shows it
------------------------------------------------------------------------------}
class function TQtWSCustomCheckBox.CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle;
var
QtCheckBox: TQtCheckBox;
begin
QtCheckBox := TQtCheckBox.Create(AWinControl, AParams);
QtCheckBox.AttachEvents;
Result := THandle(QtCheckBox);
end;
{ TQtWSRadioButton }
{------------------------------------------------------------------------------
Method: TQtWSRadioButton.RetrieveState
Params: None
Returns: The state of the control
------------------------------------------------------------------------------}
class function TQtWSRadioButton.RetrieveState(const ACustomCheckBox: TCustomCheckBox): TCheckBoxState;
begin
if TQtRadioButton(ACustomCheckBox.Handle).isChecked then
Result := cbChecked
else
Result := cbUnchecked;
end;
{------------------------------------------------------------------------------
Method: TQtWSRadioButton.SetShortCut
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSRadioButton.SetShortCut(const ACustomCheckBox: TCustomCheckBox;
const OldShortCut, NewShortCut: TShortCut);
begin
TQtRadioButton(ACustomCheckBox.Handle).setShortcut(NewShortCut);
end;
{------------------------------------------------------------------------------
Method: TQtWSRadioButton.SetState
Params: None
Returns: Nothing
Sets the state of the control
------------------------------------------------------------------------------}
class procedure TQtWSRadioButton.SetState(const ACustomCheckBox: TCustomCheckBox; const NewState: TCheckBoxState);
begin
TQtRadioButton(ACustomCheckBox.Handle).setChecked(NewState = cbChecked);
end;
{------------------------------------------------------------------------------
Method: TQtWSRadioButton.CreateHandle
Params: None
Returns: Nothing
Allocates memory and resources for the control and shows it
------------------------------------------------------------------------------}
class function TQtWSRadioButton.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle;
var
QtRadioButton: TQtRadioButton;
begin
QtRadioButton := TQtRadioButton.Create(AWinControl, AParams);
QtRadioButton.AttachEvents;
Result := THandle(QtRadioButton);
end;
{ TQtWSCustomGroupBox }
{------------------------------------------------------------------------------
Method: TQtWSCustomGroupBox.CreateHandle
Params: None
Returns: Nothing
Allocates memory and resources for the control and shows it
------------------------------------------------------------------------------}
class function TQtWSCustomGroupBox.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle;
var
QtGroupBox: TQtGroupBox;
begin
QtGroupBox := TQtGroupBox.Create(AWinControl, AParams);
QtGroupBox.AttachEvents;
Result := THandle(QtGroupBox);
end;
class function TQtWSCustomGroupBox.GetDefaultClientRect(
const AWinControl: TWinControl; const aLeft, aTop, aWidth, aHeight: integer;
var aClientRect: TRect): boolean;
var
dx, dy: integer;
begin
Result:=false;
if AWinControl.HandleAllocated then
begin
end else
begin
{$ifdef USE_QT_4_3}
dx := QStyle_pixelMetric(QApplication_style(), QStylePM_LayoutLeftMargin) +
QStyle_pixelMetric(QApplication_style(), QStylePM_LayoutRightMargin);
dy := QStyle_pixelMetric(QApplication_style(), QStylePM_LayoutTopMargin) +
QStyle_pixelMetric(QApplication_style(), QStylePM_LayoutBottomMargin);
{$else}
{ Needs a proper implementation }
dx := 0;
dy := 0;
{$endif}
aClientRect:=Rect(0,0,
Max(0, aWidth - dx),
Max(0, aHeight - dy));
Result:=true;
end;
end;
{ TQtWSCustomComboBox }
{------------------------------------------------------------------------------
Method: TQtWSCustomComboBox.CreateHandle
Params: None
Returns: Nothing
Allocates memory and resources for the control and shows it
------------------------------------------------------------------------------}
class function TQtWSCustomComboBox.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle;
var
QtComboBox: TQtComboBox;
begin
QtComboBox := TQtComboBox.Create(AWinControl, AParams);
QtComboBox.AttachEvents;
QtComboBox.OwnerDrawn := TCustomComboBox(AWinControl).Style in [csOwnerDrawFixed, csOwnerDrawVariable];
// create our FList helper
QtComboBox.FList := TQtComboStrings.Create(QtComboBox);
Result := THandle(QtComboBox);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomComboBox.GetItemIndex
Params: None
Returns: The state of the control
------------------------------------------------------------------------------}
class function TQtWSCustomComboBox.GetItemIndex(
const ACustomComboBox: TCustomComboBox): integer;
begin
Result := TQtComboBox(ACustomComboBox.Handle).currentIndex;
end;
class function TQtWSCustomComboBox.GetMaxLength(
const ACustomComboBox: TCustomComboBox): integer;
var
LineEdit: QLineEditH;
begin
LineEdit := TQtComboBox(ACustomComboBox.Handle).LineEdit;
if LineEdit <> nil then
begin
Result := QLineEdit_MaxLength(LineEdit);
if Result = QtMaxEditLength then
Result := 0;
end
else
Result := 0;
end;
class procedure TQtWSCustomComboBox.SetArrowKeysTraverseList(
const ACustomComboBox: TCustomComboBox; NewTraverseList: boolean);
begin
{$note implement}
end;
class procedure TQtWSCustomComboBox.SetDropDownCount(
const ACustomComboBox: TCustomComboBox; NewCount: Integer);
begin
TQtComboBox(ACustomComboBox.Handle).setMaxVisibleItems(NewCount);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomComboBox.SetItemIndex
Params: None
Returns: The state of the control
------------------------------------------------------------------------------}
class procedure TQtWSCustomComboBox.SetItemIndex(const ACustomComboBox: TCustomComboBox; NewIndex: integer);
begin
TQtComboBox(ACustomComboBox.Handle).setCurrentIndex(NewIndex);
end;
class procedure TQtWSCustomComboBox.SetStyle(
const ACustomComboBox: TCustomComboBox; NewStyle: TComboBoxStyle);
begin
TQtComboBox(ACustomComboBox.Handle).setEditable(NewStyle = csDropDown);
TQtComboBox(ACustomComboBox.Handle).OwnerDrawn := NewStyle in [csOwnerDrawFixed, csOwnerDrawVariable];
// TODO: implement styles: csSimple
inherited SetStyle(ACustomComboBox, NewStyle);
end;
{------------------------------------------------------------------------------
Method: TQtWSCustomComboBox.GetItems
Params: None
Returns: ComboBox items
------------------------------------------------------------------------------}
class function TQtWSCustomComboBox.GetItems(const ACustomComboBox: TCustomComboBox): TStrings;
var
ComboBox: TQtComboBox;
begin
ComboBox := TQtComboBox(ACustomComboBox.Handle);
if not Assigned(ComboBox.FList) then
begin
ComboBox.BeginUpdate;
ComboBox.FList := TQtComboStrings.Create(ComboBox);
ComboBox.EndUpdate;
end;
Result := ComboBox.FList;
end;
class procedure TQtWSCustomComboBox.Sort(
const ACustomComboBox: TCustomComboBox; AList: TStrings; IsSorted: boolean);
begin
TQtComboStrings(AList).Sorted := IsSorted;
end;
{ TQtWSToggleBox }
{------------------------------------------------------------------------------
Method: TQtWSToggleBox.RetrieveState
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class function TQtWSToggleBox.RetrieveState(const ACustomCheckBox: TCustomCheckBox): TCheckBoxState;
begin
if TQtPushButton(ACustomCheckBox.Handle).isDown then
Result := cbChecked
else
Result := cbUnChecked;
end;
{------------------------------------------------------------------------------
Method: TQtWSToggleBox.SetShortCut
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSToggleBox.SetShortCut(const ACustomCheckBox: TCustomCheckBox;
const OldShortCut, NewShortCut: TShortCut);
begin
TQtPushButton(ACustomCheckBox.Handle).setShortcut(NewShortCut);
end;
{------------------------------------------------------------------------------
Method: TQtWSToggleBox.SetState
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
class procedure TQtWSToggleBox.SetState(const ACustomCheckBox: TCustomCheckBox; const NewState: TCheckBoxState);
begin
TQtPushButton(ACustomCheckBox.Handle).setDown(NewState = cbChecked)
end;
{------------------------------------------------------------------------------
Method: TQtWSToggleBox.CreateHandle
Params: None
Returns: Nothing
Allocates memory and resources for the control and shows it
------------------------------------------------------------------------------}
class function TQtWSToggleBox.CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle;
var
QtToggleBox: TQtPushButton;
begin
QtToggleBox := TQtPushButton.Create(AWinControl, AParams);
QAbstractButton_setCheckable(QAbstractButtonH(QtToggleBox.Widget), True);
QtToggleBox.AttachEvents;
Result := THandle(QtToggleBox);
end;
initialization
////////////////////////////////////////////////////
// I M P O R T A N T
////////////////////////////////////////////////////
// To improve speed, register only classes
// which actually implement something
////////////////////////////////////////////////////
RegisterWSComponent(TScrollBar, TQtWSScrollBar);
RegisterWSComponent(TCustomGroupBox, TQtWSCustomGroupBox);
// RegisterWSComponent(TGroupBox, TQtWSGroupBox);
RegisterWSComponent(TCustomComboBox, TQtWSCustomComboBox);
// RegisterWSComponent(TComboBox, TQtWSComboBox);
RegisterWSComponent(TCustomListBox, TQtWSCustomListBox);
// RegisterWSComponent(TListBox, TQtWSListBox);
RegisterWSComponent(TCustomEdit, TQtWSCustomEdit);
RegisterWSComponent(TCustomMemo, TQtWSCustomMemo);
// RegisterWSComponent(TEdit, TQtWSEdit);
// RegisterWSComponent(TMemo, TQtWSMemo);
// RegisterWSComponent(TCustomLabel, TQtWSCustomLabel);
// RegisterWSComponent(TLabel, TQtWSLabel);
// RegisterWSComponent(TButtonControl, TQtWSButtonControl);
RegisterWSComponent(TCustomButton, TQtWSButton);
RegisterWSComponent(TCustomCheckBox, TQtWSCustomCheckBox);
// RegisterWSComponent(TCheckBox, TQtWSCheckBox);
// RegisterWSComponent(TCheckBox, TQtWSCheckBox);
RegisterWSComponent(TToggleBox, TQtWSToggleBox);
RegisterWSComponent(TRadioButton, TQtWSRadioButton);
RegisterWSComponent(TCustomStaticText, TQtWSCustomStaticText);
// RegisterWSComponent(TStaticText, TQtWSStaticText);
////////////////////////////////////////////////////
end.