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{ $Id: win32wsbuttons.pp 59282 2018-10-09 23:07:37Z maxim $}
{
*****************************************************************************
* Win32WSButtons.pp *
* ----------------- *
* *
* *
*****************************************************************************
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
unit Win32WSButtons;
{$mode objfpc}{$H+}
{$I win32defines.inc}
interface
uses
////////////////////////////////////////////////////
// I M P O R T A N T
////////////////////////////////////////////////////
// To get as little as posible circles,
// uncomment only when needed for registration
////////////////////////////////////////////////////
Windows, CommCtrl, Classes, Buttons, Graphics, GraphType, Controls,
LCLType, LCLMessageGlue, LMessages, LazUTF8, Themes, ImgList,
////////////////////////////////////////////////////
WSProc, WSButtons, Win32WSControls, Win32WSImgList,
UxTheme, Win32Themes;
type
{ TWin32WSBitBtn }
TWin32WSBitBtn = class(TWSBitBtn)
published
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND; override;
class procedure GetPreferredSize(const AWinControl: TWinControl;
var PreferredWidth, PreferredHeight: integer;
WithThemeSpace: Boolean); override;
class procedure SetBounds(const AWinControl: TWinControl;
const ALeft, ATop, AWidth, AHeight: integer); override;
class procedure SetBiDiMode(const AWinControl: TWinControl; UseRightToLeftAlign, UseRightToLeftReading, UseRightToLeftScrollBar : Boolean); override;
class procedure SetColor(const AWinControl: TWinControl); override;
class procedure SetFont(const AWinControl: TWinControl; const AFont: TFont); override;
class procedure SetGlyph(const ABitBtn: TCustomBitBtn; const AValue: TButtonGlyph); override;
class procedure SetLayout(const ABitBtn: TCustomBitBtn; const AValue: TButtonLayout); override;
class procedure SetMargin(const ABitBtn: TCustomBitBtn; const AValue: Integer); override;
class procedure SetSpacing(const ABitBtn: TCustomBitBtn; const AValue: Integer); override;
class procedure SetText(const AWinControl: TWinControl; const AText: string); override;
end;
{ TWin32WSSpeedButton }
TWin32WSSpeedButton = class(TWSSpeedButton)
published
end;
procedure DrawBitBtnImage(BitBtn: TCustomBitBtn; const ButtonCaption: string);
implementation
uses
Win32Int, Win32Proc;
type
TBitBtnAceess = class(TCustomBitBtn)
end;
{ TWin32WSBitBtn }
const
{ - you do need to destroy the imagelist yourself.
- you'll need 5 images to support all themed xp button states...
Image 0 = NORMAL
Image 1 = HOT
Image 2 = PRESSED
Image 3 = DISABLED
Image 4 = DEFAULTED
Image 5 = STYLUSHOT - for tablet computers
}
XPBitBtn_ImageIndexToState: array[1..6] of TButtonState =
(bsUp, bsHot, bsDown, bsDisabled, bsUp, bsHot);
BitBtnEnabledToButtonState: array[boolean] of TButtonState =
(bsDisabled, bsUp);
function Create32BitHBitmap(ADC: HDC; AWidth, AHeight: Integer; out BitsPtr: Pointer): HBitmap;
var
Info: Windows.TBitmapInfo;
begin
FillChar(Info, SizeOf(Info), 0);
Info.bmiHeader.biSize := SizeOf(Info.bmiHeader);
Info.bmiHeader.biWidth := AWidth;
Info.bmiHeader.biHeight := -AHeight; // top down
Info.bmiHeader.biPlanes := 1;
Info.bmiHeader.biBitCount := 32;
Info.bmiHeader.biCompression := BI_RGB;
BitsPtr := nil;
Result := Windows.CreateDIBSection(ADC, Windows.PBitmapInfo(@Info)^, DIB_RGB_COLORS, BitsPtr, 0, 0);
end;
{------------------------------------------------------------------------------
Method: DrawBitBtnImage
Params: BitBtn: The TCustomBitBtn to update the image of
ButtonCaption: new button caption
Returns: Nothing
Updates the button image combining the glyph and caption
------------------------------------------------------------------------------}
procedure DrawBitBtnImage(BitBtn: TCustomBitBtn; const ButtonCaption: string);
var
BitBtnLayout: TButtonLayout; // Layout of button and glyph
BitBtnHandle: HWND; // Handle to bitbtn window
BitBtnDC: HDC; // Handle to DC of bitbtn window
OldFontHandle: HFONT; // Handle of previous font in hdcNewBitmap
hdcNewBitmap: HDC; // Device context of the new Bitmap
TextSize: Windows.SIZE; // For computing the length of button caption in pixels
OldBitmap: HBITMAP; // Handle to the old selected bitmap
NewBitmap: HBITMAP; // Handle of the new bitmap
XDestBitmap, YDestBitmap: integer; // X,Y coordinate of destination rectangle for bitmap
XDestText, YDestText: integer; // X,Y coordinates of destination rectangle for caption
newWidth, newHeight: integer; // dimensions of new combined bitmap
srcWidth, srcHeight: integer; // width of glyph to use, bitmap may have multiple glyphs
BitmapRect: Windows.RECT;
ButtonImageList: BUTTON_IMAGELIST;
I: integer;
ButtonCaptionW: widestring;
AIndex: Integer;
AImageRes: TScaledImageListResolution;
AEffect: TGraphicsDrawEffect;
procedure DrawBitmap(AState: TButtonState; UseThemes, AlphaDraw: Boolean);
const
DSS_HIDEPREFIX = $0200;
StateToDetail: array[TButtonState] of TThemedButton =
(
{ bsUp } tbPushButtonNormal,
{ bsDisabled } tbPushButtonDisabled,
{ bsDown } tbPushButtonPressed,
{ bsExclusive } tbPushButtonPressed,
{ bsHot } tbPushButtonHot
);
var
TextFlags: DWord; // flags for caption (enabled or disabled)
glyphWidth, glyphHeight: integer;
OldBitmapHandle: HBITMAP; // Handle of the provious bitmap in hdcNewBitmap
OldTextAlign: Integer;
TmpDC: HDC;
PaintBuffer: HPAINTBUFFER;
Options: DTTOpts;
Details: TThemedElementDetails;
ShowAccel: Boolean;
Color: TColor;
PaintParams: TBP_PaintParams;
begin
glyphWidth := srcWidth;
glyphHeight := srcHeight;
if WindowsVersion >= wv2000 then
ShowAccel := (SendMessage(BitBtnHandle, WM_QUERYUISTATE, 0, 0) and UISF_HIDEACCEL) = 0
else
ShowAccel := True;
OldBitmapHandle := SelectObject(hdcNewBitmap, NewBitmap);
if UseThemes and AlphaDraw then
begin
FillChar(PaintParams, SizeOf(PaintParams), 0);
PaintParams.cbSize := SizeOf(PaintParams);
PaintParams.dwFlags := BPPF_ERASE;
PaintBuffer := BeginBufferedPaint(hdcNewBitmap, @BitmapRect, BPBF_COMPOSITED, @PaintParams, TmpDC);
end
else
begin
TmpDC := hdcNewBitmap;
PaintBuffer := 0;
end;
OldFontHandle := SelectObject(TmpDC, BitBtn.Font.Reference.Handle);
OldTextAlign := GetTextAlign(TmpDC);
// clear background:
// for alpha bitmap clear it with $00000000 else make it solid color for
// further masking
if PaintBuffer = 0 then
begin
Windows.FillRect(TmpDC, BitmapRect, GetSysColorBrush(COLOR_BTNFACE));
Color := BitBtn.Font.Color;
if Color = clDefault then
Color := BitBtn.GetDefaultColor(dctFont);
SetTextColor(TmpDC, ColorToRGB(Color));
end;
if AState <> bsDisabled then
begin
if (srcWidth <> 0) and (srcHeight <> 0) then
begin
TBitBtnAceess(BitBtn).FButtonGlyph.GetImageIndexAndEffect(AState, BitBtn.Font.PixelsPerInch, 1,
AImageRes, AIndex, AEffect);
TWin32WSCustomImageListResolution.DrawToDC(
AImageRes.Resolution,
AIndex, TmpDC, Rect(XDestBitmap, YDestBitmap, glyphWidth, glyphHeight),
AImageRes.Resolution.ImageList.BkColor,
AImageRes.Resolution.ImageList.BlendColor, AEffect,
AImageRes.Resolution.ImageList.DrawingStyle,
AImageRes.Resolution.ImageList.ImageType);
end;
end else
begin
// when not themed, windows wants a white background picture for disabled button image
if not UseThemes then
FillRect(TmpDC, BitmapRect, GetStockObject(WHITE_BRUSH));
if (srcWidth <> 0) and (srcHeight <> 0) then
begin
TBitBtnAceess(BitBtn).FButtonGlyph.GetImageIndexAndEffect(AState, BitBtn.Font.PixelsPerInch, 1,
AImageRes, AIndex, AEffect);
if UseThemes and not AlphaDraw then
begin
// non-themed winapi wants white/other as background/picture-disabled colors
// themed winapi draws bitmap-as, with transparency defined by bitbtn.brush color
SetBkColor(TmpDC, GetSysColor(COLOR_BTNFACE));
SetTextColor(TmpDC, GetSysColor(COLOR_BTNSHADOW));
end
else
if (AEffect = gdeDisabled) and not AlphaDraw then
AEffect := gde1Bit;
TWin32WSCustomImageListResolution.DrawToDC(
AImageRes.Resolution,
AIndex, TmpDC, Rect(XDestBitmap, YDestBitmap, glyphWidth, glyphHeight),
AImageRes.Resolution.ImageList.BkColor,
AImageRes.Resolution.ImageList.BlendColor, AEffect,
AImageRes.Resolution.ImageList.DrawingStyle,
AImageRes.Resolution.ImageList.ImageType);
end;
end;
if PaintBuffer = 0 then
begin
TextFlags := DST_PREFIXTEXT;
if (AState = bsDisabled) then
TextFlags := TextFlags or DSS_DISABLED;
if not ShowAccel then
TextFlags := TextFlags or DSS_HIDEPREFIX;
SetBkMode(TmpDC, TRANSPARENT);
if BitBtn.UseRightToLeftReading then
SetTextAlign(TmpDC, OldTextAlign or TA_RTLREADING);
ButtonCaptionW := UTF8ToUTF16(ButtonCaption);
DrawStateW(TmpDC, 0, nil, LPARAM(ButtonCaptionW), 0, XDestText, YDestText, 0, 0, TextFlags);
end
else
begin
Details := ThemeServices.GetElementDetails(StateToDetail[AState]);
FillChar(Options, SizeOf(Options), 0);
Options.dwSize := SizeOf(Options);
Options.dwFlags := DTT_COMPOSITED;
TextFlags := DT_SINGLELINE;
if not ShowAccel then
TextFlags := TextFlags or DT_HIDEPREFIX;
if AState <> bsDisabled then
begin
// change color to requested or it will be black
Color := BitBtn.Font.Color;
if Color = clDefault then
Color := BitBtn.GetDefaultColor(dctFont);
Options.crText := ThemeServices.ColorToRGB(Color, @Details);
Options.dwFlags := Options.dwFlags or DTT_TEXTCOLOR;
end;
TWin32ThemeServices(ThemeServices).DrawTextEx(TmpDC, Details, ButtonCaption,
Rect(XDestText, YDestText, XDestText + TextSize.cx, YDestText + TextSize.cy),
TextFlags, @Options);
end;
SetTextAlign(TmpDC, OldTextAlign);
SelectObject(TmpDC, OldFontHandle);
if PaintBuffer <> 0 then
EndBufferedPaint(PaintBuffer, True);
NewBitmap := SelectObject(hdcNewBitmap, OldBitmapHandle);
end;
var
RGBA: PRGBAQuad;
AlphaDraw: Boolean;
ASpacing: Integer;
lMargin: Integer;
begin
// gather info about bitbtn
BitBtnHandle := BitBtn.Handle;
ASpacing := BitBtn.Spacing;
if BitBtn.Margin = -1 then lMargin := 0 else lMargin := BitBtn.Margin;
if BitBtn.CanShowGlyph(True) then
begin
TBitBtnAceess(BitBtn).FButtonGlyph.GetImageIndexAndEffect(Low(TButtonState), BitBtn.Font.PixelsPerInch, 1,
AImageRes, AIndex, AEffect);
srcWidth := AImageRes.Width;
srcHeight := AImageRes.Height;
end else
begin
srcWidth := 0;
srcHeight := 0;
end;
{set spacing to LCL's default if bitbtn does not have glyph.issue #23255}
if (srcWidth = 0) or (srcHeight = 0) then
ASpacing := 0;
newWidth := 0;
newHeight := 0;
BitBtnLayout := BidiAdjustButtonLayout(BitBtn.UseRightToLeftReading, BitBtn.Layout);
BitBtnDC := GetDC(BitBtnHandle);
hdcNewBitmap := CreateCompatibleDC(BitBtnDC);
MeasureText(BitBtn, ButtonCaption, TextSize.cx, TextSize.cy);
// calculate size of new bitmap
case BitBtnLayout of
blGlyphLeft, blGlyphRight:
begin
if ASpacing = -1 then
newWidth := BitBtn.Width
else
newWidth := TextSize.cx + srcWidth + ASpacing + lMargin;
newHeight := TextSize.cy;
if newHeight < srcHeight then
newHeight := srcHeight;
YDestBitmap := (newHeight - srcHeight) div 2;
YDestText := (newHeight - TextSize.cy) div 2;
case BitBtnLayout of
blGlyphLeft:
begin
XDestBitmap := lMargin;
XDestText := srcWidth;
if ASpacing = -1 then begin
if BitBtn.Margin = -1 then begin
XDestBitmap := (BitBtn.Width - (srcWidth + TextSize.cx)) div 3;
XDestText := 2*XDestBitmap + srcWidth;
end else
inc(XDestText, (newWidth - srcWidth - TextSize.cx + lMargin) div 2);
end else
inc(XDestText, ASpacing + lMargin);
end;
blGlyphRight:
begin
XDestBitmap := newWidth - srcWidth - lMargin;
XDestText := XDestBitmap - TextSize.cx;
if ASpacing = -1 then begin
if BitBtn.Margin = -1 then begin
XDestText := (BitBtn.Width - (srcWidth + TextSize.cx)) div 3;
XDestBitmap := 2 * XDestText + TextSize.cx;
end else
dec(XDestText, (newWidth - srcWidth - TextSize.cx - lMargin) div 2)
end else
dec(XDestText, ASpacing);
end;
end;
end;
blGlyphTop, blGlyphBottom:
begin
newWidth := TextSize.cx;
if newWidth < srcWidth then
newWidth := srcWidth;
if ASpacing = -1 then
newHeight := BitBtn.Height
else
newHeight := TextSize.cy + srcHeight + ASpacing + lMargin;
XDestBitmap := (newWidth - srcWidth) shr 1;
XDestText := (newWidth - TextSize.cx) shr 1;
case BitBtnLayout of
blGlyphTop:
begin
YDestBitmap := lMargin;
YDestText := srcHeight;
if ASpacing = -1 then begin
if BitBtn.Margin = -1 then begin
YDestBitmap := (BitBtn.Height - (srcHeight + TextSize.cy)) div 3;
YDestText := 2*YDestBitmap + srcHeight;
end else
inc(YDestText, (newHeight - srcHeight - TextSize.cy + lMargin) div 2)
end else
inc(YDestText, ASpacing + lMargin);
end;
blGlyphBottom:
begin
YDestBitmap := newHeight - srcHeight - lMargin;
YDestText := YDestBitmap - TextSize.cy;
if ASpacing = -1 then begin
if BitBtn.Margin = -1 then begin
YDestText := (BitBtn.Height - (srcHeight + TextSize.cy)) div 3;
YDestBitmap := 2 * YDestText + TextSize.cy;
end else
dec(YDestText, (newHeight - srcHeight - TextSize.cy - lMargin) div 2)
end else
dec(YDestText, ASpacing);
end;
end;
end;
end;
// create new
BitmapRect.left := 0;
BitmapRect.top := 0;
BitmapRect.right := newWidth;
BitmapRect.bottom := newHeight;
AlphaDraw := ThemeServices.ThemesEnabled and (BeginBufferedPaint <> nil);
if (newWidth = 0) or (newHeight = 0) then
NewBitmap := 0
else
if AlphaDraw then
NewBitmap := Create32BitHBitmap(BitBtnDC, newWidth, newHeight, RGBA)
else
NewBitmap := CreateCompatibleBitmap(BitBtnDC, newWidth, newHeight);
// if new api availble then use it
if ThemeServices.ThemesAvailable and
(Windows.SendMessage(BitBtnHandle, BCM_GETIMAGELIST, 0, LPARAM(@ButtonImageList)) <> 0) then
begin
// destroy previous bitmap, set new bitmap
if ButtonImageList.himl <> 0 then
ImageList_Destroy(ButtonImageList.himl);
if NewBitmap <> 0 then
begin
if ThemeServices.ThemesEnabled then
if AlphaDraw then
ButtonImageList.himl := ImageList_Create(newWidth, newHeight, ILC_COLOR32, 5, 0)
else
ButtonImageList.himl := ImageList_Create(newWidth, newHeight, ILC_COLORDDB or ILC_MASK, 5, 0)
else
ButtonImageList.himl := ImageList_Create(newWidth, newHeight, ILC_COLORDDB or ILC_MASK, 1, 0);
ButtonImageList.margin.left := 0; //5;
ButtonImageList.margin.right := 0; //5;
ButtonImageList.margin.top := 0; //5;
ButtonImageList.margin.bottom := 0; //5;
if (BitBtn.Margin = -1) then
ButtonImageList.uAlign := BUTTON_IMAGELIST_ALIGN_CENTER
else
ButtonImageList.uAlign := ord(BitBtnLayout);
// if themes are enabled then we need to fill all state bitmaps,
// else fill only current state bitmap
if ThemeServices.ThemesEnabled then
begin
for I := 1 to 6 do
begin
DrawBitmap(XPBitBtn_ImageIndexToState[I], True, AlphaDraw);
if AlphaDraw then
ImageList_Add(ButtonImageList.himl, NewBitmap, 0)
else
ImageList_AddMasked(ButtonImageList.himl, NewBitmap, GetSysColor(COLOR_BTNFACE));
end;
end
else
begin
DrawBitmap(BitBtnEnabledToButtonState[IsWindowEnabled(BitBtnHandle) or (csDesigning in BitBtn.ComponentState)], True, False);
ImageList_AddMasked(ButtonImageList.himl, NewBitmap, GetSysColor(COLOR_BTNFACE));
end;
end
else
begin
ButtonImageList.himl := 0;
end;
Windows.SendMessage(BitBtnHandle, BCM_SETIMAGELIST, 0, LPARAM(@ButtonImageList));
if NewBitmap <> 0 then
DeleteObject(NewBitmap);
end else
begin
OldBitmap := HBITMAP(Windows.SendMessage(BitBtnHandle, BM_GETIMAGE, IMAGE_BITMAP, 0));
if NewBitmap <> 0 then
DrawBitmap(BitBtnEnabledToButtonState[IsWindowEnabled(BitBtnHandle) or (csDesigning in BitBtn.ComponentState)], False, False);
Windows.SendMessage(BitBtnHandle, BM_SETIMAGE, IMAGE_BITMAP, LPARAM(NewBitmap));
if OldBitmap <> 0 then
DeleteObject(OldBitmap);
end;
DeleteDC(hdcNewBitmap);
ReleaseDC(BitBtnHandle, BitBtnDC);
BitBtn.Invalidate;
end;
function BitBtnWndProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
LParam: Windows.LParam): LResult; stdcall;
var
Info: PWin32WindowInfo;
Control: TWinControl;
ButtonImageList: BUTTON_IMAGELIST;
ImageList: HIMAGELIST;
LMessage: TLMessage;
begin
Info := GetWin32WindowInfo(Window);
if (Info = nil) or (Info^.WinControl = nil) then
begin
Result := CallDefaultWindowProc(Window, Msg, WParam, LParam);
Exit;
end
else
Control := Info^.WinControl;
case Msg of
WM_DESTROY:
begin
if Assigned(ThemeServices) and ThemeServices.ThemesAvailable and
(Windows.SendMessage(Window, BCM_GETIMAGELIST, 0, Windows.LPARAM(@ButtonImageList)) <> 0) then
begin
// delete and destroy button imagelist
if ButtonImageList.himl <> 0 then
begin
ImageList:=ButtonImageList.himl;
ButtonImageList.himl:=0;
Windows.SendMessage(Window, BCM_SETIMAGELIST, 0, Windows.LPARAM(@ButtonImageList));
ImageList_Destroy(ImageList);
end;
end;
Result := WindowProc(Window, Msg, WParam, LParam);
end;
WM_GETFONT:
begin
Result := LResult(Control.Font.Reference.Handle);
end;
WM_UPDATEUISTATE:
begin
Result := WindowProc(Window, Msg, WParam, LParam);
DrawBitBtnImage(TBitBtn(Control), TBitBtn(Control).Caption);
end;
WM_PAINT,
WM_ERASEBKGND:
begin
if not Control.DoubleBuffered then
begin
LMessage.msg := Msg;
LMessage.wParam := WParam;
LMessage.lParam := LParam;
LMessage.Result := 0;
Result := DeliverMessage(Control, LMessage);
end
else
Result := WindowProc(Window, Msg, WParam, LParam);
end;
WM_PRINTCLIENT:
Result := CallDefaultWindowProc(Window, Msg, WParam, LParam);
else
Result := WindowProc(Window, Msg, WParam, LParam);
end;
end;
class function TWin32WSBitBtn.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND;
var
Params: TCreateWindowExParams;
begin
// general initialization of Params
PrepareCreateWindow(AWinControl, AParams, Params);
// customization of Params
with Params do
begin
pClassName := @ButtonClsName[0];
Flags := Flags or BS_BITMAP;
WindowTitle := '';
SubClassWndProc := @BitBtnWndProc;
end;
// create window
FinishCreateWindow(AWinControl, Params, false);
Result := Params.Window;
end;
class procedure TWin32WSBitBtn.GetPreferredSize(const AWinControl: TWinControl;
var PreferredWidth, PreferredHeight: integer; WithThemeSpace: Boolean);
var
BitBtn: TBitBtn absolute AWinControl;
spacing, srcWidth, AIndex: integer;
AImageRes: TScaledImageListResolution;
AEffect: TGraphicsDrawEffect;
begin
if MeasureText(AWinControl, AWinControl.Caption, PreferredWidth, PreferredHeight) then
begin
if BitBtn.CanShowGlyph(True) then
begin
TBitBtnAceess(BitBtn).FButtonGlyph.GetImageIndexAndEffect(Low(TButtonState), BitBtn.Font.PixelsPerInch, 1,
AImageRes, AIndex, AEffect);
srcWidth := AImageRes.Width;
if BitBtn.Spacing = -1 then
spacing := 8
else
spacing := BitBtn.Spacing;
if BitBtn.Layout in [blGlyphLeft, blGlyphRight] then
begin
Inc(PreferredWidth, spacing + srcWidth);
if AImageRes.Height > PreferredHeight then
PreferredHeight := AImageRes.Height;
end else begin
Inc(PreferredHeight, spacing + AImageRes.Height);
if srcWidth > PreferredWidth then
PreferredWidth := srcWidth;
end;
end;
Inc(PreferredWidth, 20);
Inc(PreferredHeight, 4);
if WithThemeSpace then
begin
Inc(PreferredWidth, 6);
Inc(PreferredHeight, 6);
end;
end;
end;
class procedure TWin32WSBitBtn.SetBounds(const AWinControl: TWinControl;
const ALeft, ATop, AWidth, AHeight: integer);
begin
if not WSCheckHandleAllocated(AWinControl, 'SetBounds') then Exit;
TWin32WSWinControl.SetBounds(AWinControl, ALeft, ATop, AWidth, AHeight);
if TCustomBitBtn(AWinControl).Spacing = -1 then
DrawBitBtnImage(TCustomBitBtn(AWinControl), AWinControl.Caption);
end;
class procedure TWin32WSBitBtn.SetBiDiMode(const AWinControl: TWinControl;
UseRightToLeftAlign, UseRightToLeftReading, UseRightToLeftScrollBar: Boolean);
begin
DrawBitBtnImage(TCustomBitBtn(AWinControl), AWinControl.Caption);
end;
class procedure TWin32WSBitBtn.SetColor(const AWinControl: TWinControl);
begin
if not WSCheckHandleAllocated(AWinControl, 'SetColor') then Exit;
TWin32WSWinControl.SetColor(AWinControl);
DrawBitBtnImage(TCustomBitBtn(AWinControl), AWinControl.Caption);
end;
class procedure TWin32WSBitBtn.SetFont(const AWinControl: TWinControl;
const AFont: TFont);
begin
if not WSCheckHandleAllocated(AWinControl, 'SetFont') then Exit;
TWin32WSWinControl.SetFont(AWinControl, AFont);
DrawBitBtnImage(TCustomBitBtn(AWinControl), AWinControl.Caption);
end;
class procedure TWin32WSBitBtn.SetGlyph(const ABitBtn: TCustomBitBtn;
const AValue: TButtonGlyph);
begin
if not WSCheckHandleAllocated(ABitBtn, 'SetGlyph') then Exit;
DrawBitBtnImage(ABitBtn, ABitBtn.Caption);
end;
class procedure TWin32WSBitBtn.SetLayout(const ABitBtn: TCustomBitBtn;
const AValue: TButtonLayout);
begin
if not WSCheckHandleAllocated(ABitBtn, 'SetLayout') then Exit;
DrawBitBtnImage(ABitBtn, ABitBtn.Caption);
end;
class procedure TWin32WSBitBtn.SetMargin(const ABitBtn: TCustomBitBtn;
const AValue: Integer);
begin
if not WSCheckHandleAllocated(ABitBtn, 'SetMargin') then Exit;
DrawBitBtnImage(ABitBtn, ABitBtn.Caption);
end;
class procedure TWin32WSBitBtn.SetSpacing(const ABitBtn: TCustomBitBtn;
const AValue: Integer);
begin
if not WSCheckHandleAllocated(ABitBtn, 'SetSpacing') then Exit;
DrawBitBtnImage(ABitBtn, ABitBtn.Caption);
end;
class procedure TWin32WSBitBtn.SetText(const AWinControl: TWinControl; const AText: string);
begin
if not WSCheckHandleAllocated(AWinControl, 'SetText') then Exit;
// TWin32WSWinControl.SetText(AWinControl, AText);
DrawBitBtnImage(TCustomBitBtn(AWinControl), AText);
end;
end.
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