mirror of
https://github.com/HeidiSQL/HeidiSQL.git
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661 lines
22 KiB
ObjectPascal
661 lines
22 KiB
ObjectPascal
unit Vcl.Styles.Preview;
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interface
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Uses
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System.Classes, System.Generics.Collections, Winapi.Windows, Vcl.Themes, Vcl.Styles,
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Vcl.Forms, Vcl.Graphics, Vcl.Controls, Vcl.ExtCtrls, Vcl.Styles.Utils.Graphics;
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type
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TPreviewType = (ptOriginal, ptTabs);
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TVisualStylePreview = class(TCustomControl)
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protected
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FStyle: TCustomStyleServices;
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FIcon: HICON;
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FCaption: TCaption;
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FRegion: HRGN;
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FBitmap: TBitmap;
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FPreviewType: TPreviewType;
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FFormBorderSize: TRect;
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FBkgColor: TColor;
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FUnavailableText: string;
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FSelectedText: string;
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FHotText: string;
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FNormalText: string;
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FDisabledText: string;
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FPressedText: string;
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FButtonText: string;
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FFileMenuText: string;
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FEditMenuText: string;
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FViewMenuText: string;
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FHelpMenuText: string;
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procedure SetStyle(const aStyle: TCustomStyleServices);
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function GetFormBorderSize: TRect;
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function GetMainMenuRect: TRect;
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function GetTabsRect: TRect;
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function GetCaptionHeight: integer;
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function GetLeftFormBorderWidth: integer;
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function GetRightFormBorderWidth: integer;
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function GetBottomFormBorderHeight: integer;
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function RectVCenter(var aRect: TRect; aBounds: TRect): TRect;
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procedure DrawCaption;
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procedure DrawFormBorders;
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procedure DrawMainMenu;
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procedure DrawToolButtons;
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procedure DrawButtons;
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procedure DrawTabs;
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procedure DrawDefaultPanel;
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procedure DrawOriginalPreview;
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procedure DrawTabsPreview;
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procedure Paint; override;
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public
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constructor Create(AControl: TComponent); override;
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destructor Destroy; override;
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procedure AfterConstruction; override;
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property Icon: HICON read FIcon write FIcon;
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property Style: TCustomStyleServices read FStyle write SetStyle;
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property Caption: TCaption read FCaption write FCaption;
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property Bitmap: TBitmap read FBitmap write FBitmap;
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property UnavailableText: string read FUnavailableText write FUnavailableText;
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property SelectedText: string read FSelectedText write FSelectedText;
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property HotText: string read FHotText write FHotText;
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property NormalText: string read FNormalText write FNormalText;
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property DisabledText: string read FDisabledText write FDisabledText;
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property PressedText: string read FPressedText write FPressedText;
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property ButtonText: string read FButtonText write FButtonText;
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property FileMenuText: string read FFileMenuText write FFileMenuText;
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property EditMenuText: string read FEditMenuText write FEditMenuText;
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property ViewMenuText: string read FViewMenuText write FViewMenuText;
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property HelpMenuText: string read FHelpMenuText write FHelpMenuText;
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published
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property PreviewType: TPreviewType read FPreviewType write FPreviewType;
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property BkgColor: TColor read FBkgColor write FBkgColor;
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property Align;
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property Anchors;
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property Visible;
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end;
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implementation
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uses
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System.SysUtils, System.Types, System.UITypes,
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Vcl.Styles.Utils.Misc;
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const
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ORIGINAL_PPI = 96;
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constructor TVisualStylePreview.Create(AControl: TComponent);
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begin
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inherited Create(AControl);
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FRegion := 0;
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FStyle := nil;
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FCaption := '';
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FIcon := 0;
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FBitmap := nil;
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FPreviewType := ptOriginal;
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FFormBorderSize := rect(0, 0, 0, 0);
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FBkgColor := clNone;
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FUnavailableText := 'Preview not available';
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FSelectedText := 'Selected';
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FHotText := 'Hot';
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FNormalText := 'Normal';
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FDisabledText := 'Disabled';
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FPressedText := 'Pressed';
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FButtonText := 'ToolButton';
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FFileMenuText := 'File';
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FEditMenuText := 'Edit';
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FViewMenuText := 'View';
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FHelpMenuText := 'Help';
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end;
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destructor TVisualStylePreview.Destroy;
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begin
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try
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if (FRegion <> 0) then
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begin
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DeleteObject(FRegion);
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FRegion := 0;
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end;
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if (FBitmap <> nil) then FreeAndNil(FBitmap);
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if (FStyle <> nil) then FreeAndNil(FStyle);
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if (FStyle <> nil) then FreeAndNil(FStyle);
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finally
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inherited Destroy;
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end;
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end;
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procedure TVisualStylePreview.AfterConstruction;
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begin
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inherited AfterConstruction;
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FBitmap := TBitmap.Create;
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FBitmap.PixelFormat := pf32bit;
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end;
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procedure TVisualStylePreview.SetStyle(const aStyle: TCustomStyleServices);
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begin
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if (FStyle <> nil) then FreeAndNil(FStyle);
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FStyle := aStyle;
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Refresh;
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end;
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function TVisualStylePreview.GetCaptionHeight: integer;
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var
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LSize: TSize;
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LDetails: TThemedElementDetails;
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begin
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LDetails := FStyle.GetElementDetails(twCaptionActive);
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if Assigned(Application.Mainform) then
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Application.MainForm.Monitor.PixelsPerInch)
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else
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Screen.PixelsPerInch);
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Result := LSize.cy;
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end;
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function TVisualStylePreview.GetLeftFormBorderWidth: integer;
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var
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LSize: TSize;
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LDetails: TThemedElementDetails;
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begin
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LDetails := FStyle.GetElementDetails(twFrameLeftActive);
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if Assigned(Application.Mainform) then
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Application.MainForm.Monitor.PixelsPerInch)
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else
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Screen.PixelsPerInch);
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Result := LSize.cx;
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end;
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function TVisualStylePreview.GetRightFormBorderWidth: integer;
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var
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LSize: TSize;
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LDetails: TThemedElementDetails;
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begin
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LDetails := FStyle.GetElementDetails(twFrameRightActive);
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if Assigned(Application.Mainform) then
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Application.MainForm.Monitor.PixelsPerInch)
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else
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Screen.PixelsPerInch);
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Result := LSize.cx;
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end;
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function TVisualStylePreview.GetBottomFormBorderHeight: integer;
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var
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LSize: TSize;
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LDetails: TThemedElementDetails;
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begin
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LDetails := FStyle.GetElementDetails(twFrameBottomActive);
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if Assigned(Application.Mainform) then
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Application.MainForm.Monitor.PixelsPerInch)
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else
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FStyle.GetElementSize(0, LDetails, esActual, LSize, Screen.PixelsPerInch);
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Result := LSize.cy;
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end;
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function TVisualStylePreview.GetFormBorderSize: TRect;
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begin
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Result.Top := GetCaptionHeight;
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Result.Left := GetLeftFormBorderWidth;
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Result.Right := GetRightFormBorderWidth;
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Result.Bottom := GetBottomFormBorderHeight;
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end;
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function TVisualStylePreview.GetMainMenuRect: TRect;
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const
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MENU_ITEM_HEIGHT = 20;
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begin
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Result.Left := FFormBorderSize.Left;
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Result.Top := FFormBorderSize.Top;
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Result.Right := FBitmap.Width - FFormBorderSize.Right;
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if Assigned(Application.Mainform) then
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Result.Bottom := Result.Top + MulDiv(MENU_ITEM_HEIGHT, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI)
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else
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Result.Bottom := Result.Top + MulDiv(MENU_ITEM_HEIGHT, Screen.PixelsPerInch, ORIGINAL_PPI);
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end;
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function TVisualStylePreview.GetTabsRect: TRect;
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const
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TABS_HEIGHT = 27;
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begin
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Result.Left := FFormBorderSize.Left;
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Result.Top := FFormBorderSize.Top;
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Result.Right := FBitmap.Width - FFormBorderSize.Right;
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if Assigned(Application.Mainform) then
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Result.Bottom := Result.Top + MulDiv(TABS_HEIGHT, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI)
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else
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Result.Bottom := Result.Top + MulDiv(TABS_HEIGHT, Screen.PixelsPerInch, ORIGINAL_PPI);
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end;
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function TVisualStylePreview.RectVCenter(var aRect: TRect; aBounds: TRect): TRect;
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begin
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OffsetRect(aRect, - aRect.Left, - aRect.Top);
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OffsetRect(aRect, 0, (aBounds.Height - aRect.Height) div 2);
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OffsetRect(aRect, aBounds.Left, aBounds.Top);
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Result := aRect;
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end;
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procedure TVisualStylePreview.DrawDefaultPanel;
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var
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LDetails: TThemedElementDetails;
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LColor: TColor;
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LRect: TRect;
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begin
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LRect := rect(0, 0, FBitmap.Width, FBitmap.Height);
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if (csDesigning in ComponentState) then
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begin
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if (FBkgColor <> clNone) then
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FBitmap.Canvas.Brush.Color := FBkgColor
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else
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FBitmap.Canvas.Brush.Color := clWhite;
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FBitmap.Canvas.Brush.Style := bsSolid;
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FBitmap.Canvas.FillRect(LRect);
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exit;
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end;
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if (FBkgColor <> clNone) then
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LColor := FBkgColor
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else
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begin
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LDetails := StyleServices.GetElementDetails(tpPanelBackground);
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if not(StyleServices.GetElementColor(LDetails, ecFillColor, LColor)) then
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LColor := GetSysColor(COLOR_BTNFACE);
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end;
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FBitmap.Canvas.Brush.Color := LColor;
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FBitmap.Canvas.Brush.Style := bsSolid;
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FBitmap.Canvas.FillRect(LRect);
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if (length(FUnavailableText) > 0) then
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begin
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if not(StyleServices.GetElementColor(LDetails, ecTextColor, LColor)) then
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LColor := GetSysColor(COLOR_BTNTEXT);
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FBitmap.Canvas.Font.Color := LColor;
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FBitmap.Canvas.TextRect(LRect, FUnavailableText, [tfVerticalCenter, tfCenter, tfSingleLine]);
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end;
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end;
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procedure TVisualStylePreview.DrawCaption;
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var
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LClientRect: TRect;
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LCaptionRect: TRect;
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LTextRect: TRect;
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LIconRect: TRect;
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LButtonRect: TRect;
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LDetails: TThemedElementDetails;
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LCaptionDetails: TThemedElementDetails;
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LIconDetails: TThemedElementDetails;
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LRegion: HRGN;
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begin
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LClientRect := ClientRect;
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LCaptionRect := Rect(0, 0, FBitmap.Width, FFormBorderSize.Top);
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//Draw background
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LDetails.Element := teWindow;
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LDetails.Part := 0;
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DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LClientRect);
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//Draw caption border
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LDetails := FStyle.GetElementDetails(twCaptionActive);
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LRegion := FRegion;
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try
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FStyle.GetElementRegion(LDetails, LClientRect, FRegion);
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SetWindowRgn(Handle, FRegion, True);
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finally
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if (LRegion <> 0) then DeleteObject(LRegion);
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end;
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DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LCaptionRect);
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LTextRect := LCaptionRect;
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LCaptionDetails := LDetails;
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//Draw icon
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LIconDetails := FStyle.GetElementDetails(twSysButtonNormal);
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LIconRect := Rect(0, 0, GetSysMetrics(SM_CXSMICON), GetSysMetrics(SM_CYSMICON));
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if not(FStyle.GetElementContentRect(0, LIconDetails, LCaptionRect, LButtonRect)) then
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LButtonRect := Rect(0, 0, 0, 0);
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RectVCenter(LIconRect, LButtonRect);
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if (LButtonRect.Width > 0) and (FIcon <> 0) then
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DrawIconEx(FBitmap.Canvas.Handle, LIconRect.Left, LIconRect.Top, FIcon, 0, 0, 0, 0, DI_NORMAL);
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if Assigned(Application.Mainform) then
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Inc(LTextRect.Left, LButtonRect.Width + MulDiv(5, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI))
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else
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Inc(LTextRect.Left, LButtonRect.Width + MulDiv(5, Screen.PixelsPerInch, ORIGINAL_PPI));
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//Draw buttons
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//Close button
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LDetails := FStyle.GetElementDetails(twCloseButtonNormal);
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if FStyle.GetElementContentRect(0, LDetails, LCaptionRect, LButtonRect) then
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FStyle.DrawElement(FBitmap.Canvas.Handle, LDetails, LButtonRect);
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//Maximize button
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LDetails := FStyle.GetElementDetails(twMaxButtonNormal);
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if FStyle.GetElementContentRect(0, LDetails, LCaptionRect, LButtonRect) then
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FStyle.DrawElement(FBitmap.Canvas.Handle, LDetails, LButtonRect);
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//Minimize button
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LDetails := FStyle.GetElementDetails(twMinButtonNormal);
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if FStyle.GetElementContentRect(0, LDetails, LCaptionRect, LButtonRect) then
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FStyle.DrawElement(FBitmap.Canvas.Handle, LDetails, LButtonRect);
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//Help button
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LDetails := FStyle.GetElementDetails(twHelpButtonNormal);
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if FStyle.GetElementContentRect(0, LDetails, LCaptionRect, LButtonRect) then
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FStyle.DrawElement(FBitmap.Canvas.Handle, LDetails, LButtonRect);
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if (LButtonRect.Left > 0) then LTextRect.Right := LButtonRect.Left;
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//Draw text
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FStyle.DrawText(FBitmap.Canvas.Handle, LCaptionDetails, FCaption, LTextRect, [tfLeft, tfSingleLine, tfVerticalCenter]);
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end;
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procedure TVisualStylePreview.DrawFormBorders;
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var
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LRect: TRect;
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LDetails: TThemedElementDetails;
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begin
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//Draw left border
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LRect := Rect(0, FFormBorderSize.Top, FFormBorderSize.Left, FBitmap.Height - FFormBorderSize.Bottom);
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LDetails := FStyle.GetElementDetails(twFrameLeftActive);
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DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LRect);
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//Draw right border
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LRect := Rect(FBitmap.Width - FFormBorderSize.Right, FFormBorderSize.Top, FBitmap.Width, FBitmap.Height - FFormBorderSize.Bottom);
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LDetails := FStyle.GetElementDetails(twFrameRightActive);
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DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LRect);
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//Draw Bottom border
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LRect := Rect(0, FBitmap.Height - FFormBorderSize.Bottom, FBitmap.Width, FBitmap.Height);
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LDetails := FStyle.GetElementDetails(twFrameBottomActive);
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DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LRect);
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end;
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procedure TVisualStylePreview.DrawMainMenu;
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const
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MENU_ITEM_WIDTH = 30;
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var
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LMenuRect: TRect;
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LItemRect: TRect;
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LDetails: TThemedElementDetails;
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LColor: TColor;
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LWidth: integer;
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begin
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LMenuRect := GetMainMenuRect;
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LDetails := FStyle.GetElementDetails(tmMenuBarBackgroundActive);
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DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LMenuRect);
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LDetails := FStyle.GetElementDetails(tmMenuBarItemNormal);
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FStyle.GetElementColor(LDetails, ecTextColor, LColor);
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if Assigned(Application.Mainform) then
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begin
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LWidth := MulDiv(MENU_ITEM_WIDTH, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
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LItemRect.Left := LMenuRect.Left + MulDiv(10, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
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LItemRect.Top := LMenuRect.Top + MulDiv(3, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
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end
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else
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begin
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LWidth := MulDiv(MENU_ITEM_WIDTH, Screen.PixelsPerInch, ORIGINAL_PPI);
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LItemRect.Left := LMenuRect.Left + MulDiv(10, Screen.PixelsPerInch, ORIGINAL_PPI);
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LItemRect.Top := LMenuRect.Top + MulDiv(3, Screen.PixelsPerInch, ORIGINAL_PPI);
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end;
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LItemRect.Right := LItemRect.Left + LWidth;
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LItemRect.Bottom := LMenuRect.Bottom;
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FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FFileMenuText, LItemRect, [tfLeft], LColor);
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LItemRect.Left := LItemRect.Right;
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LItemRect.Right := LItemRect.Left + LWidth;
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FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FEditMenuText, LItemRect, [tfLeft], LColor);
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LItemRect.Left := LItemRect.Right;
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LItemRect.Right := LItemRect.Left + LWidth;
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FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FViewMenuText, LItemRect, [tfLeft], LColor);
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LItemRect.Left := LItemRect.Right;
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LItemRect.Right := LItemRect.Left + LWidth;
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FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FHelpMenuText, LItemRect, [tfLeft], LColor);
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end;
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procedure TVisualStylePreview.DrawToolButtons;
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const
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BUTTON_WIDTH = 75;
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BUTTON_HEIGHT = 25;
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PANEL_PADDING = 10;
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var
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LMenuRect: TRect;
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LButtonRect: TRect;
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LDetails: TThemedElementDetails;
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LColor: TColor;
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i: integer;
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LWidth: integer;
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LHeight: integer;
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LPadding: integer;
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begin
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LMenuRect := GetMainMenuRect;
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if Assigned(Application.Mainform) then
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begin
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LWidth := MulDiv(BUTTON_WIDTH, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
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LHeight := MulDiv(BUTTON_HEIGHT, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
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LPadding := MulDiv(PANEL_PADDING, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
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end
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else
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begin
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LWidth := MulDiv(BUTTON_WIDTH, Screen.PixelsPerInch, ORIGINAL_PPI);
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LHeight := MulDiv(BUTTON_HEIGHT, Screen.PixelsPerInch, ORIGINAL_PPI);
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LPadding := MulDiv(PANEL_PADDING, Screen.PixelsPerInch, ORIGINAL_PPI);
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end;
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LButtonRect.Left := FFormBorderSize.Left + LPadding;
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LButtonRect.Top := LMenuRect.Bottom + LPadding;
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LButtonRect.Right := LButtonRect.Left + LWidth;
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LButtonRect.Bottom := LButtonRect.Top + LHeight;
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for i := 1 to 3 do
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begin
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LDetails := FStyle.GetElementDetails(ttbButtonNormal);
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DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LButtonRect);
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FStyle.GetElementColor(LDetails, ecTextColor, LColor);
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FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FButtonText + IntToStr(i), LButtonRect, TTextFormatFlags(DT_VCENTER or DT_CENTER), LColor);
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|
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|
LButtonRect.Left := LButtonRect.Right;
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|
LButtonRect.Right := LButtonRect.Left + LWidth;
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|
end;
|
|
end;
|
|
|
|
procedure TVisualStylePreview.DrawButtons;
|
|
const
|
|
BUTTON_WIDTH = 75;
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|
BUTTON_HEIGHT = 25;
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|
PANEL_PADDING = 10;
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|
var
|
|
LButtonRect: TRect;
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|
LDetails: TThemedElementDetails;
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|
LColor: TColor;
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|
i: integer;
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|
LCaption: string;
|
|
LWidth: integer;
|
|
LHeight: integer;
|
|
LPadding: integer;
|
|
begin
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|
if Assigned(Application.Mainform) then
|
|
begin
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|
LWidth := MulDiv(BUTTON_WIDTH, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
|
|
LHeight := MulDiv(BUTTON_HEIGHT, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
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|
LPadding := MulDiv(PANEL_PADDING, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
|
|
end
|
|
else
|
|
begin
|
|
LWidth := MulDiv(BUTTON_WIDTH, Screen.PixelsPerInch, ORIGINAL_PPI);
|
|
LHeight := MulDiv(BUTTON_HEIGHT, Screen.PixelsPerInch, ORIGINAL_PPI);
|
|
LPadding := MulDiv(PANEL_PADDING, Screen.PixelsPerInch, ORIGINAL_PPI);
|
|
end;
|
|
|
|
LButtonRect.Left := FFormBorderSize.Left + LPadding;
|
|
LButtonRect.Right := LButtonRect.Left + LWidth;
|
|
LButtonRect.Bottom := FBitmap.Height - FFormBorderSize.Bottom - LPadding;
|
|
LButtonRect.Top := LButtonRect.Bottom - LHeight;
|
|
|
|
for i := 1 to 4 do
|
|
begin
|
|
case i of
|
|
1 :
|
|
begin
|
|
LDetails := FStyle.GetElementDetails(tbPushButtonNormal);
|
|
LCaption := FNormalText;
|
|
end;
|
|
|
|
2 :
|
|
begin
|
|
LDetails := FStyle.GetElementDetails(tbPushButtonHot);
|
|
LCaption := FHotText;
|
|
end;
|
|
|
|
3 :
|
|
begin
|
|
LDetails := FStyle.GetElementDetails(tbPushButtonPressed);
|
|
LCaption := FPressedText;
|
|
end;
|
|
|
|
4 :
|
|
begin
|
|
LDetails := FStyle.GetElementDetails(tbPushButtonDisabled);
|
|
LCaption := FDisabledText;
|
|
end;
|
|
end;
|
|
|
|
DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LButtonRect);
|
|
FStyle.GetElementColor(LDetails, ecTextColor, LColor);
|
|
FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, LCaption, LButtonRect, TTextFormatFlags(DT_VCENTER or DT_CENTER), LColor);
|
|
|
|
LButtonRect.Left := LButtonRect.Right + LPadding;
|
|
LButtonRect.Right := LButtonRect.Left + LWidth;
|
|
end;
|
|
end;
|
|
|
|
procedure TVisualStylePreview.DrawTabs;
|
|
const
|
|
TAB_WIDTH = 80;
|
|
TAB_OFFSET = 3;
|
|
var
|
|
LDetails: TThemedElementDetails;
|
|
LTabsRect: TRect;
|
|
LItemRect: TRect;
|
|
LWidth: integer;
|
|
LColor: TColor;
|
|
LFlags: TTextFormat;
|
|
LOffset: integer;
|
|
begin
|
|
if Assigned(Application.Mainform) then
|
|
begin
|
|
LWidth := MulDiv(TAB_WIDTH, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
|
|
LOffset := MulDiv(TAB_OFFSET, Application.MainForm.Monitor.PixelsPerInch, ORIGINAL_PPI);
|
|
end
|
|
else
|
|
begin
|
|
LWidth := MulDiv(TAB_WIDTH, Screen.PixelsPerInch, ORIGINAL_PPI);
|
|
LOffset := MulDiv(TAB_OFFSET, Screen.PixelsPerInch, ORIGINAL_PPI);
|
|
end;
|
|
LTabsRect := GetTabsRect;
|
|
LFlags := TTextFormatFlags(DT_VCENTER or DT_CENTER);
|
|
LColor := clBlack;
|
|
|
|
// Tabs background
|
|
LDetails := StyleServices.GetElementDetails(ttPane);
|
|
DrawStyleElement(FBitmap.Canvas.Handle, LDetails, LTabsRect);
|
|
|
|
|
|
// Selected tab
|
|
LItemRect := LTabsRect;
|
|
LItemRect.Right := LItemRect.Left + LWidth;
|
|
|
|
LDetails := StyleServices.GetElementDetails(ttTabItemSelected);
|
|
FStyle.DrawElement(FBitmap.Canvas.Handle, LDetails, LItemRect);
|
|
FStyle.GetElementColor(LDetails, ecTextColor, LColor);
|
|
FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FSelectedText, LItemRect, LFlags, LColor);
|
|
|
|
|
|
// Hot tab
|
|
LItemRect.Left := succ(LItemRect.Right);
|
|
LItemRect.Right := LItemRect.Left + LWidth;
|
|
LItemRect.Top := LTabsRect.Top + LOffset; // unselected tabs are slightly shorter
|
|
|
|
LDetails := StyleServices.GetElementDetails(ttTabItemHot);
|
|
FStyle.DrawElement(FBitmap.Canvas.Handle, LDetails, LItemRect);
|
|
FStyle.GetElementColor(LDetails, ecTextColor, LColor);
|
|
FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FHotText, LItemRect, LFlags, LColor);
|
|
|
|
|
|
// Normal tab
|
|
LItemRect.Left := succ(LItemRect.Right);
|
|
LItemRect.Right := LItemRect.Left + LWidth;
|
|
|
|
LDetails := StyleServices.GetElementDetails(ttTabItemNormal);
|
|
FStyle.DrawElement(FBitmap.Canvas.Handle, LDetails, LItemRect);
|
|
FStyle.GetElementColor(LDetails, ecTextColor, LColor);
|
|
FStyle.DrawText(FBitmap.Canvas.Handle, LDetails, FNormalText, LItemRect, LFlags, LColor);
|
|
end;
|
|
|
|
procedure TVisualStylePreview.DrawOriginalPreview;
|
|
begin
|
|
FFormBorderSize := GetFormBorderSize;
|
|
|
|
DrawCaption;
|
|
DrawFormBorders;
|
|
DrawMainMenu;
|
|
DrawToolButtons;
|
|
DrawButtons;
|
|
end;
|
|
|
|
procedure TVisualStylePreview.DrawTabsPreview;
|
|
begin
|
|
FFormBorderSize := GetFormBorderSize;
|
|
|
|
DrawCaption;
|
|
DrawFormBorders;
|
|
DrawTabs;
|
|
DrawButtons;
|
|
end;
|
|
|
|
procedure TVisualStylePreview.Paint;
|
|
begin
|
|
FBitmap.SetSize(ClientRect.Width, ClientRect.Height);
|
|
|
|
if (FStyle = nil) then
|
|
DrawDefaultPanel
|
|
else
|
|
case FPreviewType of
|
|
ptOriginal: DrawOriginalPreview;
|
|
ptTabs: DrawTabsPreview;
|
|
end;
|
|
|
|
Canvas.Draw(0, 0, FBitmap);
|
|
end;
|
|
|
|
end.
|