You've already forked lazarus-ccr
ExCtrls: Temporarily add LCL's TCheckComboBox as TCheckCombobBoxEx
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8117 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
@ -30,6 +30,7 @@ unit ExCombo;
|
||||
interface
|
||||
|
||||
uses
|
||||
LCLIntf, LCLType, LMessages, LazLoggerBase,
|
||||
Classes, SysUtils, Graphics, Types,
|
||||
StdCtrls, Controls, Forms;
|
||||
|
||||
@ -149,10 +150,152 @@ type
|
||||
end;
|
||||
|
||||
|
||||
{ TCustomCheckComboBoxEx }
|
||||
|
||||
TCheckComboItemState = class
|
||||
public
|
||||
State: TCheckBoxState;
|
||||
Enabled: Boolean;
|
||||
Data: TObject;
|
||||
end;
|
||||
TCheckItemChange = procedure(Sender: TObject; AIndex: Integer) of object;
|
||||
|
||||
TCustomCheckComboBoxEx = class(TCustomComboBox)
|
||||
private
|
||||
FAllowGrayed: Boolean;
|
||||
FOnItemChange: TCheckItemChange;
|
||||
procedure AsyncCheckItemStates(Data: PtrInt);
|
||||
function GetChecked(AIndex: Integer): Boolean;
|
||||
function GetCount: Integer;
|
||||
function GetItemEnabled(AIndex: Integer): Boolean;
|
||||
function GetObject(AIndex: Integer): TObject;
|
||||
function GetState(AIndex: Integer): TCheckBoxState;
|
||||
procedure SetChecked(AIndex: Integer; AValue: Boolean);
|
||||
procedure SetItemEnabled(AIndex: Integer; AValue: Boolean);
|
||||
procedure SetObject(AIndex: Integer; AValue: TObject);
|
||||
procedure SetState(AIndex: Integer; AValue: TCheckBoxState);
|
||||
protected
|
||||
FCheckHighlight: Boolean;
|
||||
FCheckSize: TSize;
|
||||
FDropped: Boolean;
|
||||
FHilightedIndex: Integer;
|
||||
FHiLiteLeft: Integer;
|
||||
FHiLiteRight: Integer;
|
||||
FNeedMeasure: Boolean;
|
||||
FRejectDropDown: Boolean;
|
||||
FRejectToggleOnSelect: Boolean;
|
||||
FRightToLeft: Boolean;
|
||||
FTextHeight: SmallInt;
|
||||
procedure CMBiDiModeChanged(var Message: TLMessage); message CM_BIDIMODECHANGED;
|
||||
procedure ClearItemStates;
|
||||
procedure CloseUp; override;
|
||||
procedure DrawItem(Index: Integer; ARect: TRect; State: TOwnerDrawState); override;
|
||||
procedure DropDown; override;
|
||||
procedure FontChanged(Sender: TObject); override;
|
||||
procedure InitializeWnd; override;
|
||||
procedure InitItemStates;
|
||||
procedure CheckItemStates;
|
||||
procedure QueueCheckItemStates;
|
||||
procedure KeyDown(var Key: Word; Shift: TShiftState); override;
|
||||
procedure Loaded; override;
|
||||
procedure MouseLeave; override;
|
||||
procedure MouseMove(Shift: TShiftState; X, Y: Integer); override;
|
||||
procedure SetItemHeight(const AValue: Integer); override;
|
||||
procedure SetItems(const Value: TStrings); override;
|
||||
procedure Select; override;
|
||||
public
|
||||
constructor Create(AOwner: TComponent); override;
|
||||
destructor Destroy; override;
|
||||
procedure AddItem(const AItem: string; AState: TCheckBoxState; AEnabled: Boolean = True); reintroduce;
|
||||
procedure AssignItems(AItems: TStrings);
|
||||
procedure Clear; override;
|
||||
procedure DeleteItem(AIndex: Integer);
|
||||
procedure CheckAll(AState: TCheckBoxState; AAllowGrayed: Boolean = True; AAllowDisabled: Boolean = True);
|
||||
procedure Toggle(AIndex: Integer);
|
||||
property AllowGrayed: Boolean read FAllowGrayed write FAllowGrayed default False;
|
||||
property Count: Integer read GetCount;
|
||||
property Checked[AIndex: Integer]: Boolean read GetChecked write SetChecked;
|
||||
property ItemEnabled[AIndex: Integer]: Boolean read GetItemEnabled write SetItemEnabled;
|
||||
property Objects[AIndex: Integer]: TObject read GetObject write SetObject;
|
||||
property State[AIndex: Integer]: TCheckBoxState read GetState write SetState;
|
||||
property OnItemChange: TCheckItemChange read FOnItemChange write FOnItemChange;
|
||||
end;
|
||||
|
||||
{ TCheckComboBox }
|
||||
TCheckComboBoxEx = class(TCustomCheckComboBoxEx)
|
||||
published
|
||||
property Align;
|
||||
property AllowGrayed;
|
||||
property Anchors;
|
||||
property ArrowKeysTraverseList;
|
||||
property AutoDropDown;
|
||||
property AutoSize;
|
||||
property BidiMode;
|
||||
property BorderSpacing;
|
||||
property BorderStyle;
|
||||
property Color;
|
||||
property Constraints;
|
||||
property Count;
|
||||
property DragCursor;
|
||||
property DragKind;
|
||||
property DragMode;
|
||||
property DropDownCount;
|
||||
property Enabled;
|
||||
property Font;
|
||||
property ItemHeight;
|
||||
property ItemIndex;
|
||||
property Items;
|
||||
property ItemWidth;
|
||||
property MaxLength;
|
||||
property OnChange;
|
||||
property OnChangeBounds;
|
||||
property OnClick;
|
||||
property OnCloseUp;
|
||||
property OnContextPopup;
|
||||
property OnDblClick;
|
||||
property OnDragDrop;
|
||||
property OnDragOver;
|
||||
property OnEndDrag;
|
||||
property OnDropDown;
|
||||
property OnEditingDone;
|
||||
property OnEnter;
|
||||
property OnExit;
|
||||
property OnGetItems;
|
||||
property OnItemChange;
|
||||
property OnKeyDown;
|
||||
property OnKeyPress;
|
||||
property OnKeyUp;
|
||||
property OnMouseDown;
|
||||
property OnMouseEnter;
|
||||
property OnMouseLeave;
|
||||
property OnMouseMove;
|
||||
property OnMouseUp;
|
||||
property OnMouseWheel;
|
||||
property OnMouseWheelDown;
|
||||
property OnMouseWheelUp;
|
||||
property OnStartDrag;
|
||||
property OnSelect;
|
||||
property OnUTF8KeyPress;
|
||||
property ParentBidiMode;
|
||||
property ParentColor;
|
||||
property ParentFont;
|
||||
property ParentShowHint;
|
||||
property PopupMenu;
|
||||
property ShowHint;
|
||||
property Sorted;
|
||||
property TabOrder;
|
||||
property TabStop;
|
||||
property Text;
|
||||
property TextHint;
|
||||
property Visible;
|
||||
end;
|
||||
|
||||
|
||||
|
||||
implementation
|
||||
|
||||
uses
|
||||
LCLType, LCLIntf;
|
||||
GraphUtil, Themes;
|
||||
|
||||
const
|
||||
DEFAULT_COLUMN_MARGIN = 4;
|
||||
@ -471,5 +614,423 @@ begin
|
||||
inherited SetStyle(AValue);
|
||||
end;
|
||||
|
||||
|
||||
{ TCustomCheckComboBoxEx }
|
||||
|
||||
constructor TCustomCheckComboBoxEx.Create(AOwner: TComponent);
|
||||
begin
|
||||
inherited Create(AOwner);
|
||||
TStringList(Items).Duplicates:=dupIgnore;
|
||||
Style:=csOwnerDrawFixed;
|
||||
FNeedMeasure:=True;
|
||||
FRejectToggleOnSelect:=True;
|
||||
end;
|
||||
|
||||
destructor TCustomCheckComboBoxEx.Destroy;
|
||||
begin
|
||||
ClearItemStates;
|
||||
inherited Destroy;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.AddItem(const AItem: string; AState: TCheckBoxState; AEnabled: Boolean);
|
||||
var pItemState: TCheckComboItemState;
|
||||
begin
|
||||
pItemState:=TCheckComboItemState.Create;
|
||||
pItemState.State:=aState;
|
||||
pItemState.Enabled:=AEnabled;
|
||||
pItemState.Data:=nil;
|
||||
inherited AddItem(AItem, pItemState);
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.AssignItems(AItems: TStrings);
|
||||
begin
|
||||
ClearItemStates;
|
||||
Items.Assign(AItems);
|
||||
InitItemStates;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.CheckAll(AState: TCheckBoxState; AAllowGrayed: Boolean;
|
||||
AAllowDisabled: Boolean);
|
||||
var i: Integer;
|
||||
begin
|
||||
for i:=0 to Items.Count-1 do
|
||||
begin
|
||||
if (AAllowGrayed or (State[i]<>cbGrayed)) and (AAllowDisabled or ItemEnabled[i])
|
||||
then State[i]:=AState;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.Clear;
|
||||
begin
|
||||
ClearItemStates;
|
||||
inherited Clear;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.ClearItemStates;
|
||||
var i: Integer;
|
||||
begin
|
||||
for i:=0 to Items.Count-1 do
|
||||
begin
|
||||
Items.Objects[i].Free;
|
||||
Items.Objects[i]:=nil;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.CloseUp;
|
||||
begin
|
||||
FDropped:=False;
|
||||
if FRejectDropDown then
|
||||
begin
|
||||
FRejectDropDown:=False;
|
||||
Update;
|
||||
end else
|
||||
inherited CloseUp;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.CMBiDiModeChanged(var Message: TLMessage);
|
||||
begin
|
||||
inherited CMBiDiModeChanged(Message);
|
||||
FRightToLeft:=IsRightToLeft;
|
||||
FNeedMeasure:=True;
|
||||
Invalidate;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.DeleteItem(AIndex: Integer);
|
||||
begin
|
||||
if (AIndex>=0) and (AIndex<Items.Count) then
|
||||
begin
|
||||
Items.Objects[AIndex].Free;
|
||||
Items.Delete(AIndex);
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.DrawItem(Index: Integer; ARect: TRect; State: TOwnerDrawState);
|
||||
{ Enabled, State, Highlighted }
|
||||
const caCheckThemes: array [Boolean, TCheckBoxState, Boolean] of TThemedButton =
|
||||
{ normal, highlighted }
|
||||
(((tbCheckBoxUncheckedDisabled, tbCheckBoxUncheckedDisabled), { disabled, unchecked }
|
||||
(tbCheckBoxCheckedDisabled, tbCheckBoxCheckedDisabled), { disabled, checked }
|
||||
(tbCheckBoxMixedDisabled, tbCheckBoxMixedDisabled)), { disabled, greyed }
|
||||
((tbCheckBoxUncheckedNormal, tbCheckBoxUncheckedHot), { enabled, unchecked }
|
||||
(tbCheckBoxCheckedNormal, tbCheckBoxCheckedHot), { enabled, checked }
|
||||
(tbCheckBoxMixedNormal, tbCheckBoxMixedHot))); { enabled, greyed }
|
||||
cCheckIndent: SmallInt = 2;
|
||||
cTextIndent: SmallInt = 5;
|
||||
var aDetail: TThemedElementDetails;
|
||||
aDropped: Boolean;
|
||||
aEnabled: Boolean;
|
||||
aFlags: Cardinal;
|
||||
aFocusedEditableMainItemNoDD: Boolean; { combo has edit-like line edit in csDropDownList (Win) and is closed (not DroppedDown }
|
||||
aGray: Byte;
|
||||
anyRect: TRect;
|
||||
aState: TCheckBoxState;
|
||||
ItemState: TCheckComboItemState;
|
||||
begin { do not call inherited ! }
|
||||
ItemState:=TCheckComboItemState(Items.Objects[Index]);
|
||||
if not (ItemState is TCheckComboItemState) then
|
||||
QueueCheckItemStates;
|
||||
aDropped:=DroppedDown;
|
||||
if aDropped and FRejectDropDown then
|
||||
begin
|
||||
DroppedDown:=False;
|
||||
exit; { Exit! }
|
||||
end;
|
||||
aEnabled:=IsEnabled;
|
||||
if not (csDesigning in ComponentState) then
|
||||
aEnabled:= (aEnabled and ItemState.Enabled);
|
||||
{$IF DEFINED(LCLWin32) or DEFINED(LCLWin64)}
|
||||
aFocusedEditableMainItemNoDD := (Focused and (ARect.Left>0) and not aDropped);
|
||||
{$ELSE}
|
||||
aFocusedEditableMainItemNoDD := False;
|
||||
{$ENDIF}
|
||||
if (ARect.Left=0) or aFocusedEditableMainItemNoDD then
|
||||
begin
|
||||
if odSelected in State then
|
||||
begin
|
||||
if not aEnabled then
|
||||
begin
|
||||
aGray:=ColorToGray(Canvas.Brush.Color);
|
||||
Canvas.Brush.Color:=RGBToColor(aGray, aGray, aGray);
|
||||
end;
|
||||
end else
|
||||
Canvas.Brush.Color:=clWindow;
|
||||
Canvas.Brush.Style:=bsSolid;
|
||||
Canvas.FillRect(ARect);
|
||||
end;
|
||||
if not (csDesigning in ComponentState)
|
||||
then aState:=ItemState.State
|
||||
else aState:=cbUnchecked;
|
||||
aDetail:=ThemeServices.GetElementDetails(caCheckThemes
|
||||
[aEnabled, aState, not aDropped and FCheckHighlight]);
|
||||
if FNeedMeasure then
|
||||
begin
|
||||
FCheckSize:=ThemeServices.GetDetailSize(aDetail);
|
||||
FTextHeight:=Canvas.TextHeight('ŠjÁÇ');
|
||||
if not aDropped then
|
||||
begin
|
||||
if not FRightToLeft then
|
||||
begin
|
||||
FHiLiteLeft:=-1;
|
||||
FHiLiteRight:=ARect.Right;
|
||||
end else
|
||||
begin
|
||||
FHiLiteLeft:=ARect.Left;
|
||||
FHiLiteRight:=ARect.Right;
|
||||
end;
|
||||
FNeedMeasure := False;
|
||||
end;
|
||||
end;
|
||||
if not FRightToLeft
|
||||
then anyRect.Left:=ARect.Left+cCheckIndent
|
||||
else anyRect.Left:=ARect.Right-cCheckIndent-FCheckSize.cx;
|
||||
anyRect.Right:=anyRect.Left+FCheckSize.cx;
|
||||
anyRect.Top:=(ARect.Bottom+ARect.Top-FCheckSize.cy) div 2;
|
||||
anyRect.Bottom:=anyRect.Top+FCheckSize.cy;
|
||||
ThemeServices.DrawElement(Canvas.Handle, aDetail, anyRect);
|
||||
Canvas.Brush.Style:=bsClear;
|
||||
if (not (odSelected in State) or not aDropped) and not aFocusedEditableMainItemNoDD
|
||||
then Canvas.Font.Color:=clWindowText
|
||||
else begin
|
||||
Canvas.Font.Color:=clHighlightText;
|
||||
FHilightedIndex:=Index;
|
||||
end;
|
||||
if aFocusedEditableMainItemNoDD then
|
||||
begin
|
||||
LCLIntf.SetBkColor(Canvas.Handle, ColorToRGB(clBtnFace));
|
||||
LCLIntf.DrawFocusRect(Canvas.Handle, aRect);
|
||||
end;
|
||||
aFlags:=DT_END_ELLIPSIS+DT_VCENTER+DT_SINGLELINE+DT_NOPREFIX;
|
||||
if not FRightToLeft then
|
||||
begin
|
||||
anyRect.Left:=ARect.Left+cCheckIndent+FCheckSize.cx+cTextIndent;
|
||||
anyRect.Right:=ARect.Right;
|
||||
end else
|
||||
begin
|
||||
anyRect.Right:=anyRect.Left-cTextIndent;
|
||||
anyRect.Left:=ARect.Left;
|
||||
aFlags:=aFlags or DT_RIGHT or DT_RTLREADING;
|
||||
end;
|
||||
anyRect.Top:=(ARect.Top+ARect.Bottom-FTextHeight) div 2;
|
||||
anyRect.Bottom:=anyRect.Top+FTextHeight;
|
||||
DrawText(Canvas.Handle, PChar(Items[Index]), Length(Items[Index]), anyRect, aFlags);
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.DropDown;
|
||||
{$IF DEFINED(LCLWin32) or DEFINED(LCLWin64)}
|
||||
{$ELSE}
|
||||
var aCursorPos: TPoint;
|
||||
aRect: TRect;
|
||||
{$ENDIF}
|
||||
begin
|
||||
{$IF DEFINED(LCLWin32) or DEFINED(LCLWin64)}
|
||||
FRejectDropDown:=False;
|
||||
{$ELSE}
|
||||
aCursorPos:=ScreenToControl(Mouse.CursorPos);
|
||||
aRect:=Rect(FHiLiteLeft, 0, FHiLiteRight, Height);
|
||||
FRejectDropDown:=PtInRect(aRect, aCursorPos);
|
||||
{$ENDIF}
|
||||
FDropped:=True;
|
||||
if not FRejectDropDown then
|
||||
begin
|
||||
inherited DropDown;
|
||||
FRejectToggleOnSelect:=False;
|
||||
end else
|
||||
if (ItemIndex>=0) and ItemEnabled[ItemIndex] then Toggle(ItemIndex);
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.FontChanged(Sender: TObject);
|
||||
begin
|
||||
FNeedMeasure:=True;
|
||||
inherited FontChanged(Sender);
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.InitializeWnd;
|
||||
begin
|
||||
InitItemStates;
|
||||
inherited InitializeWnd;
|
||||
CheckItemStates;
|
||||
FRightToLeft:=IsRightToLeft;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.InitItemStates;
|
||||
var i: Integer;
|
||||
pItemState: TCheckComboItemState;
|
||||
begin
|
||||
for i:=0 to Items.Count-1 do
|
||||
if Items.Objects[i]=nil then begin
|
||||
pItemState:=TCheckComboItemState.Create;
|
||||
pItemState.Enabled:=True;
|
||||
pItemState.State:=cbUnchecked;
|
||||
pItemState.Data:=nil;
|
||||
Items.Objects[i]:=pItemState;
|
||||
end else if not (Items.Objects[i] is TCheckComboItemState) then
|
||||
raise Exception.Create(DbgSName(Self)+': Item '+IntToStr(i)+' is not a TCheckComboItemState');
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.CheckItemStates;
|
||||
var
|
||||
i: Integer;
|
||||
begin
|
||||
for i:=0 to Items.Count-1 do
|
||||
if not (Items.Objects[i] is TCheckComboItemState) then
|
||||
raise Exception.Create(DbgSName(Self)+': Item '+IntToStr(i)+' is not a TCheckComboItemState');
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.QueueCheckItemStates;
|
||||
begin
|
||||
Application.QueueAsyncCall(@AsyncCheckItemStates,0);
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.KeyDown(var Key: Word; Shift: TShiftState);
|
||||
begin
|
||||
case Key of
|
||||
VK_RETURN:
|
||||
if FDropped then
|
||||
if (ItemIndex=FHilightedIndex) and ItemEnabled[ItemIndex] then Toggle(ItemIndex);
|
||||
VK_SPACE:
|
||||
if DroppedDown then
|
||||
if (ItemIndex>=0) and ItemEnabled[ItemIndex] then
|
||||
begin
|
||||
if ItemIndex<>FHilightedIndex then
|
||||
begin
|
||||
ItemIndex:=FHilightedIndex;
|
||||
inherited Select;
|
||||
end;
|
||||
Toggle(ItemIndex);
|
||||
DroppedDown:=False;
|
||||
end;
|
||||
end;
|
||||
inherited KeyDown(Key, Shift);
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.Loaded;
|
||||
begin
|
||||
inherited Loaded;
|
||||
InitItemStates;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.MouseLeave;
|
||||
begin
|
||||
FCheckHighlight:=False;
|
||||
inherited MouseLeave;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.MouseMove(Shift: TShiftState; X, Y: Integer);
|
||||
var aHighlight: Boolean;
|
||||
begin
|
||||
inherited MouseMove(Shift, X, Y);
|
||||
aHighlight:=((X>FHiLiteLeft) and (X<FHiLiteRight));
|
||||
if aHighlight<>FCheckHighlight then
|
||||
begin
|
||||
FCheckHighlight:=aHighlight;
|
||||
Invalidate;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.Select;
|
||||
begin
|
||||
inherited Select;
|
||||
{$IF DEFINED(LCLWin32) or DEFINED(LCLWin64)}
|
||||
if DroppedDown then FRejectToggleOnSelect:=True;
|
||||
{$ENDIF}
|
||||
if not FRejectToggleOnSelect then
|
||||
begin
|
||||
if (ItemIndex >= 0) and ItemEnabled[ItemIndex] then Toggle(ItemIndex);
|
||||
FRejectToggleOnSelect:=True;
|
||||
end;
|
||||
FDropped:=False;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.SetItemHeight(const AValue: Integer);
|
||||
begin
|
||||
inherited SetItemHeight(AValue);
|
||||
FNeedMeasure:=True;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.SetItems(const Value: TStrings);
|
||||
begin
|
||||
ClearItemStates;
|
||||
inherited SetItems(Value);
|
||||
InitItemStates;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.Toggle(AIndex: Integer);
|
||||
const caNewStateMap: array [TCheckBoxState, Boolean] of TCheckBoxState =
|
||||
{ False (AllowGrayed) True }
|
||||
((cbChecked, cbGrayed), { cbUnchecked }
|
||||
(cbUnChecked, cbUnChecked), { cbChecked }
|
||||
(cbChecked, cbChecked)); { cbGrayed }
|
||||
begin
|
||||
State[AIndex]:=caNewStateMap[State[AIndex], AllowGrayed];
|
||||
end;
|
||||
|
||||
{ TCustomCheckCombo.Getters and Setters }
|
||||
|
||||
function TCustomCheckComboBoxEx.GetChecked(AIndex: Integer): Boolean;
|
||||
begin
|
||||
Result:=(TCheckComboItemState(Items.Objects[AIndex]).State=cbChecked);
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.AsyncCheckItemStates(Data: PtrInt);
|
||||
begin
|
||||
CheckItemStates;
|
||||
end;
|
||||
|
||||
function TCustomCheckComboBoxEx.GetCount: Integer;
|
||||
begin
|
||||
Result:=Items.Count;
|
||||
end;
|
||||
|
||||
function TCustomCheckComboBoxEx.GetItemEnabled(AIndex: Integer): Boolean;
|
||||
begin
|
||||
Result:=TCheckComboItemState(Items.Objects[AIndex]).Enabled;
|
||||
end;
|
||||
|
||||
function TCustomCheckComboBoxEx.GetObject(AIndex: Integer): TObject;
|
||||
begin
|
||||
Result:=TCheckComboItemState(Items.Objects[AIndex]).Data;
|
||||
end;
|
||||
|
||||
function TCustomCheckComboBoxEx.GetState(AIndex: Integer): TCheckBoxState;
|
||||
begin
|
||||
Result:=TCheckComboItemState(Items.Objects[AIndex]).State;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.SetChecked(AIndex: Integer; AValue: Boolean);
|
||||
begin
|
||||
if AValue=(TCheckComboItemState(Items.Objects[AIndex]).State=cbChecked) then exit;
|
||||
if AValue
|
||||
then TCheckComboItemState(Items.Objects[AIndex]).State:=cbChecked
|
||||
else TCheckComboItemState(Items.Objects[AIndex]).State:=cbUnchecked;
|
||||
if Assigned(FOnItemChange) then
|
||||
FOnItemChange(Self, AIndex);
|
||||
if AIndex=ItemIndex then
|
||||
Invalidate;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.SetItemEnabled(AIndex: Integer; AValue: Boolean);
|
||||
begin
|
||||
if TCheckComboItemState(Items.Objects[AIndex]).Enabled=AValue then exit;
|
||||
TCheckComboItemState(Items.Objects[AIndex]).Enabled:=AValue;
|
||||
if AIndex=ItemIndex then
|
||||
Invalidate;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.SetObject(AIndex: Integer; AValue: TObject);
|
||||
begin
|
||||
TCheckComboItemState(Items.Objects[AIndex]).Data:=AValue;
|
||||
end;
|
||||
|
||||
procedure TCustomCheckComboBoxEx.SetState(AIndex: Integer; AValue: TCheckBoxState);
|
||||
begin
|
||||
if TCheckComboItemState(Items.Objects[AIndex]).State=AValue then exit;
|
||||
TCheckComboItemState(Items.Objects[AIndex]).State:=AValue;
|
||||
if Assigned(FOnItemChange) then
|
||||
FOnItemChange(self, AIndex);
|
||||
if AIndex=ItemIndex then
|
||||
Invalidate;
|
||||
end;
|
||||
|
||||
|
||||
end.
|
||||
|
||||
|
||||
@ -21,7 +21,7 @@ begin
|
||||
RegisterComponents('ExCtrls', [
|
||||
TButtonEx, TCheckboxEx, TRadioButtonEx, TCheckGroupEx, TRadioGroupEx,
|
||||
TFloatSISpinEditEx, TCurrSpinEditEx,
|
||||
TColumnComboBoxEx
|
||||
TColumnComboBoxEx, TCheckComboBoxEx
|
||||
]);
|
||||
end;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user