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Diffstat (limited to 'gui/style.inc')
| -rw-r--r-- | gui/style.inc | 850 |
1 files changed, 850 insertions, 0 deletions
diff --git a/gui/style.inc b/gui/style.inc new file mode 100644 index 00000000..2e705213 --- /dev/null +++ b/gui/style.inc @@ -0,0 +1,850 @@ +{ + fpGUI - Free Pascal Graphical User Interface + Copyright (C) 2000 - 2001 by + Areca Systems GmbH / Sebastian Guenther + Copyright (C) 2006 by Graeme Geldenhuys + member of the fpGUI development team. + + Style class declarations + + See the file COPYING.fpGUI, 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. + + **********************************************************************} + + +{%mainunit fpgui.pp} + +{ + Default style implementation +} + +{$IFDEF read_interface} + + { Possible styles } + TItemFlags = set of (ifFocused, ifSelected, ifDeactivated); + + { Possible arrow directions } + TArrowDirection = (arrowUp, arrowDown, arrowLeft, arrowRight); + + { Style declarations } + TStyle = class + protected + UIColorCache: array[0..$18] of TGfxColor; + public + constructor Create(ADisplay: TFCustomApplication); virtual; + // Colors + procedure UpdateUIColorCache; + function GetGUIColor(Color: TColor): TGfxColor; virtual; abstract; + function GetUIColor(AColor: TColor): TGfxColor; + procedure SetUIColor(Canvas: TFCanvas; Color: TColor); + // General + procedure DrawText(Canvas: TFCanvas; const APosition: TPoint; const AText: String; State: TWidgetState); virtual; abstract; + procedure DrawItemBefore(Canvas: TFCanvas; const ARect: TRect; Flags: TItemFlags); virtual; abstract; + procedure DrawItemAfter(Canvas: TFCanvas; const ARect: TRect; Flags: TItemFlags); virtual; abstract; + procedure Draw3DFrame(Canvas: TFCanvas; const ARect: TRect; Color1, Color2, Color3, Color4: TColor); virtual; abstract; + procedure DrawFocusRect(Canvas: TFCanvas; const ARect: TRect); virtual; abstract; + procedure DrawSunkenOuterBorder(Canvas: TFCanvas; const ARect: TRect); virtual; abstract; + procedure DrawRaisedOuterBorder(Canvas: TFCanvas; const ARect: TRect); virtual; abstract; + // Windows + procedure DrawWindowBackground(Canvas: TFCanvas; const ARect: TRect); virtual; abstract; + // Buttons + procedure DrawButtonFace(Canvas: TFCanvas; const ARect: TRect; Flags: TButtonFlags); virtual; abstract; + function GetButtonBorders: TRect; virtual; abstract; + // Separators + function GetSeparatorSize: Integer; virtual; abstract; + procedure DrawSeparator(Canvas: TFCanvas; const ARect: TRect; AOrientation: TOrientation); virtual; abstract; + // Group boxes + procedure DrawGroupBox(Canvas: TFCanvas; const ARect: TRect; const ALabel: String; WidgetState: TWidgetState); virtual; abstract; + function GetGroupBoxBorders(Canvas: TFCanvas; const ALabel: String; var LabelWidth: Integer): TRect; virtual; abstract; + // Edit widgets + procedure DrawEditBox(Canvas: TFCanvas; const ARect: TRect); virtual; abstract; + function GetEditBoxBorders: TRect; virtual; abstract; + // Check boxes + procedure DrawCheckBox(Canvas: TFCanvas; const ARect, LabelRect: TRect; Flags: TCheckboxFlags); virtual; abstract; + procedure GetCheckBoxLayout(const LabelSize: TSize; var TotalSize: TSize; var LabelPos: TPoint); virtual; abstract; + // Radio buttons + procedure DrawRadioButton(Canvas: TFCanvas; const ARect, LabelRect: TRect; Flags: TCheckboxFlags); virtual; abstract; + procedure GetRadioButtonLayout(const LabelSize: TSize; var TotalSize: TSize; var LabelPos: TPoint); virtual; abstract; + // Combo boxes + function GetComboBoxArrowSize: TSize; virtual; abstract; + procedure DrawComboBoxArrow(Canvas: TFCanvas; const ARect: TRect; IsPressed, IsEnabled: Boolean); virtual; abstract; + // Scroll bars + function GetScrollBarBorders(Orientation: TOrientation): TRect; virtual; abstract; + function GetScrollBarBtnSize(Orientation: TOrientation): TSize; virtual; abstract; + function GetScrollBarBtnMinSize: Integer; virtual; abstract; + procedure DrawScrollBarBorder(Canvas: TFCanvas; const ARect: TRect); virtual; abstract; + procedure DrawScrollBarButton(Canvas: TFCanvas; const ARect: TRect; Direction: TArrowDirection; IsPressed, IsEnabled: Boolean); virtual; abstract; + // Scroll boxes + function GetScrollBoxBorders: TRect; virtual; abstract; + procedure DrawScrollBoxBorder(Canvas: TFCanvas; const ARect: TRect); virtual; abstract; + // Menus + function GetMenuBorders(pCanvas: TFCanvas; const pText: string; var pTextWidth: Integer): TRect; virtual; abstract; + // Panel/Frame + function GetPanelBorders: TRect; virtual; abstract; + procedure DrawPanel(Canvas: TFCanvas; const ARect: TRect; ABevelStyle: TBevelStyle); virtual; abstract; + end; + + + { TDefaultStyle } + + TDefaultStyle = class(TStyle) + protected + ImageCanvas, MaskCanvas: TFCanvas; +// ArrowBitmaps: array[TArrowDirection] of TGfxImage; + public + constructor Create(ADisplay: TFCustomApplication); override; + destructor Destroy; override; + // Colors + function GetGUIColor(Color: TColor): TGfxColor; override; + // General + procedure DrawText(Canvas: TFCanvas; const APosition: TPoint; const AText: String; State: TWidgetState); override; + procedure DrawItemBefore(Canvas: TFCanvas; const ARect: TRect; Flags: TItemFlags); override; + procedure DrawItemAfter(Canvas: TFCanvas; const ARect: TRect; Flags: TItemFlags); override; + procedure Draw3DFrame(Canvas: TFCanvas; const ARect: TRect; Color1, Color2, Color3, Color4: TColor); override; + procedure DrawFocusRect(Canvas: TFCanvas; const ARect: TRect); override; + procedure DrawSunkenOuterBorder(Canvas: TFCanvas; const ARect: TRect); override; + procedure DrawRaisedOuterBorder(Canvas: TFCanvas; const ARect: TRect); override; + // Windows + procedure DrawWindowBackground(Canvas: TFCanvas; const ARect: TRect); override; + // Buttons + procedure DrawButtonFace(Canvas: TFCanvas; const ARect: TRect; Flags: TButtonFlags); override; + function GetButtonBorders: TRect; override; + // Separators + procedure DrawSeparator(Canvas: TFCanvas; const ARect: TRect; AOrientation: TOrientation); override; + function GetSeparatorSize: Integer; override; + // Group boxes + procedure DrawGroupBox(Canvas: TFCanvas; const ARect: TRect; const ALabel: String; WidgetState: TWidgetState); override; + function GetGroupBoxBorders(Canvas: TFCanvas; const ALabel: String; var LabelWidth: Integer): TRect; override; + // Edit widgets + procedure DrawEditBox(Canvas: TFCanvas; const ARect: TRect); override; + function GetEditBoxBorders: TRect; override; + // Check boxes + procedure DrawCheckBox(Canvas: TFCanvas; const ARect, LabelRect: TRect; Flags: TCheckboxFlags); override; + procedure GetCheckBoxLayout(const LabelSize: TSize; var TotalSize: TSize; var LabelPos: TPoint); override; + // Radio buttons + procedure DrawRadioButton(Canvas: TFCanvas; const ARect, LabelRect: TRect; Flags: TCheckboxFlags); override; + procedure GetRadioButtonLayout(const LabelSize: TSize; var TotalSize: TSize; var LabelPos: TPoint); override; + // Combo boxes + procedure DrawComboBoxArrow(Canvas: TFCanvas; const ARect: TRect; IsPressed, IsEnabled: Boolean); override; + function GetComboBoxArrowSize: TSize; override; + // Scroll bars + function GetScrollBarBorders(Orientation: TOrientation): TRect; override; + function GetScrollBarBtnSize(Orientation: TOrientation): TSize; override; + function GetScrollBarBtnMinSize: Integer; override; + procedure DrawScrollBarBorder(Canvas: TFCanvas; const ARect: TRect); override; + procedure DrawScrollBarButton(Canvas: TFCanvas; const ARect: TRect; Direction: TArrowDirection; IsPressed, IsEnabled: Boolean); override; + // Scroll boxes + function GetScrollBoxBorders: TRect; override; + procedure DrawScrollBoxBorder(Canvas: TFCanvas; const ARect: TRect); override; + // Menus + function GetMenuBorders(pCanvas: TFCanvas; const pText: string; var pTextWidth: Integer): TRect; override; + // Panel/Frame + function GetPanelBorders: TRect; override; + procedure DrawPanel(Canvas: TFCanvas; const ARect: TRect; ABevelStyle: TBevelStyle); override; + end; + + + { TMotifStyle } + + TMotifStyle = class(TDefaultStyle) + public + // General + procedure DrawFocusRect(Canvas: TFCanvas; const ARect: TRect); override; + // Buttons + procedure DrawButtonFace(Canvas: TFCanvas; const ARect: TRect; Flags: TButtonFlags); override; + // Check boxes + procedure DrawCheckBox(Canvas: TFCanvas; const ARect, LabelRect: TRect; Flags: TCheckboxFlags); override; + end; + +{$ENDIF read_interface} + + + +{$IFDEF read_implementation} + + +{ TStyle } + +constructor TStyle.Create(ADisplay: TFCustomApplication); +begin + inherited Create; + UpdateUIColorCache; +end; + + +procedure TStyle.UpdateUIColorCache; +var + i: TColor; +begin + for i := 0 to $18 do + UIColorCache[i] := GetGUIColor(TColor(i + clScrollBar)); +end; + + +function TStyle.GetUIColor(AColor: TColor): TGfxColor; +begin + if (AColor >= clScrollBar) and (AColor <= clScrollBar + $18) then + Result := UIColorCache[TColor(AColor - clScrollBar)] + else + begin +// Result := colBlack; + Result.Red := (AColor and $ff) * 257; + Result.Green := ((AColor shr 8) and $ff) * 257; + Result.Blue := ((AColor shr 16) and $ff) * 257; + Result.Alpha := 0; + end; +end; + + +procedure TStyle.SetUIColor(Canvas: TFCanvas; Color: TColor); +var + lGfxColor: TGfxColor; +begin + if (Color >= clScrollBar) and (Color <= clScrollBar + $18) then + Canvas.SetColor(UIColorCache[TColor(Color - clScrollBar)]) + else + begin + lGfxColor.Red := (Color and $ff) * 257; + lGfxColor.Green := ((Color shr 8) and $ff) * 257; + lGfxColor.Blue := ((Color shr 16) and $ff) * 257; + lGfxColor.Alpha := 0; + Canvas.SetColor(lGfxColor); + end; +end; + + +{ TDefaultStyle } + +const + rgbaDkWhite: TGfxColor = (Red: $e000; Green: $e000; Blue: $e000; Alpha: 0); + + +{ This gets platform specific colors and focus rectangle styles } +{$IFDEF MSWINDOWS} + {$I win32/defstyle.inc} +{$ENDIF} +{$IFDEF UNIX} + {$I defimpl/defstyle.inc} +{$ENDIF} + + +constructor TDefaultStyle.Create(ADisplay: TFCustomApplication); +const + // 60x12 pixel 4bpp bitmap + RadioBitmapData: array[0..359] of Byte = ( + $00, $00, $22, $22, $00, $00, $00, $00, $22, $22, $00, $00, $00, $00, $22, $22, $00, $00, $00, $00, $22, $22, $00, $00, $00, $00, $22, $22, $00, $00, + $00, $22, $11, $11, $22, $00, $00, $22, $11, $11, $22, $00, $00, $22, $11, $11, $22, $00, $00, $22, $11, $11, $22, $00, $00, $22, $11, $11, $22, $00, + $02, $11, $77, $77, $11, $50, $02, $11, $77, $77, $11, $50, $02, $11, $33, $33, $11, $50, $02, $11, $33, $33, $11, $50, $02, $11, $33, $33, $11, $50, + $02, $17, $77, $77, $74, $50, $02, $17, $77, $77, $74, $50, $02, $13, $33, $33, $34, $50, $02, $13, $33, $33, $34, $50, $02, $13, $33, $33, $34, $50, + $21, $77, $77, $77, $77, $45, $21, $77, $76, $67, $77, $45, $21, $33, $33, $33, $33, $45, $21, $33, $36, $63, $33, $45, $21, $33, $32, $23, $33, $45, + $21, $77, $77, $77, $77, $45, $21, $77, $66, $66, $77, $45, $21, $33, $33, $33, $33, $45, $21, $33, $66, $66, $33, $45, $21, $33, $22, $22, $33, $45, + $21, $77, $77, $77, $77, $45, $21, $77, $66, $66, $77, $45, $21, $33, $33, $33, $33, $45, $21, $33, $66, $66, $33, $45, $21, $33, $22, $22, $33, $45, + $21, $77, $77, $77, $77, $45, $21, $77, $76, $67, $77, $45, $21, $33, $33, $33, $33, $45, $21, $33, $36, $63, $33, $45, $21, $33, $32, $23, $33, $45, + $02, $17, $77, $77, $74, $50, $02, $17, $77, $77, $74, $50, $02, $13, $33, $33, $34, $50, $02, $13, $33, $33, $34, $50, $02, $13, $33, $33, $34, $50, + $02, $44, $77, $77, $44, $50, $02, $44, $77, $77, $44, $50, $02, $44, $33, $33, $44, $50, $02, $44, $33, $33, $44, $50, $02, $44, $33, $33, $44, $50, + $00, $55, $44, $44, $55, $00, $00, $55, $44, $44, $55, $00, $00, $55, $44, $44, $55, $00, $00, $55, $44, $44, $55, $00, $00, $55, $44, $44, $55, $00, + $00, $00, $55, $55, $00, $00, $00, $00, $55, $55, $00, $00, $00, $00, $55, $55, $00, $00, $00, $00, $55, $55, $00, $00, $00, $00, $55, $55, $00, $00 + ); + + // 12x12 pixel monochrome bitmap + RadioMaskData: array[0..23] of Byte = ($0f, $00, $3f, $c0, $7f, $e0, $7f, + $e0, $ff, $f0, $ff, $f0, $ff, $f0, $ff, $f0, $7f, $e0, $7f, $e0, $3f, $c0, + $0f, $00); + + // 65x13 pixel 4bpp bitmap + CheckBoxBitmapData: array[0..428] of Byte = ( + $22, $22, $22, $22, $22, $22, $52, $22, $22, $22, $22, $22, $25, $22, $22, $22, $22, $22, $22, $52, $22, $22, $22, $22, $22, $25, $22, $22, $22, $22, $22, $22, $50, + $21, $11, $11, $11, $11, $14, $52, $11, $11, $11, $11, $11, $45, $21, $11, $11, $11, $11, $14, $52, $11, $11, $11, $11, $11, $45, $21, $11, $11, $11, $11, $14, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $77, $77, $77, $77, $45, $21, $33, $33, $33, $33, $34, $52, $13, $33, $33, $33, $33, $45, $21, $33, $33, $33, $33, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $77, $77, $77, $67, $45, $21, $33, $33, $33, $33, $34, $52, $13, $33, $33, $33, $63, $45, $21, $33, $33, $33, $32, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $77, $77, $76, $67, $45, $21, $33, $33, $33, $33, $34, $52, $13, $33, $33, $36, $63, $45, $21, $33, $33, $33, $22, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $67, $77, $66, $67, $45, $21, $33, $33, $33, $33, $34, $52, $13, $63, $33, $66, $63, $45, $21, $32, $33, $32, $22, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $66, $76, $66, $77, $45, $21, $33, $33, $33, $33, $34, $52, $13, $66, $36, $66, $33, $45, $21, $32, $23, $22, $23, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $66, $66, $67, $77, $45, $21, $33, $33, $33, $33, $34, $52, $13, $66, $66, $63, $33, $45, $21, $32, $22, $22, $33, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $76, $66, $77, $77, $45, $21, $33, $33, $33, $33, $34, $52, $13, $36, $66, $33, $33, $45, $21, $33, $22, $23, $33, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $77, $67, $77, $77, $45, $21, $33, $33, $33, $33, $34, $52, $13, $33, $63, $33, $33, $45, $21, $33, $32, $33, $33, $34, $50, + $21, $77, $77, $77, $77, $74, $52, $17, $77, $77, $77, $77, $45, $21, $33, $33, $33, $33, $34, $52, $13, $33, $33, $33, $33, $45, $21, $33, $33, $33, $33, $34, $50, + $24, $44, $44, $44, $44, $44, $52, $44, $44, $44, $44, $44, $45, $24, $44, $44, $44, $44, $44, $52, $44, $44, $44, $44, $44, $45, $24, $44, $44, $44, $44, $44, $50, + $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $55, $50 + ); + + // 64x8 pixel 4bpp bitmap + ArrowBitmapData: array[0..255] of Byte = ( + $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $13, $33, $33, $31, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $23, $33, $33, $23, $33, $33, + $33, $33, $33, $33, $33, $33, $33, $33, $33, $31, $13, $33, $33, $31, $13, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $32, $25, $33, $33, $22, $33, $33, + $33, $31, $33, $33, $11, $11, $11, $13, $33, $11, $13, $33, $33, $31, $11, $33, $33, $32, $33, $33, $22, $22, $22, $23, $33, $22, $25, $33, $33, $22, $23, $33, + $33, $11, $13, $33, $31, $11, $11, $33, $31, $11, $13, $33, $33, $31, $11, $13, $33, $22, $23, $33, $32, $22, $22, $55, $32, $22, $25, $33, $33, $22, $22, $33, + $31, $11, $11, $33, $33, $11, $13, $33, $33, $11, $13, $33, $33, $31, $11, $33, $32, $22, $22, $33, $33, $22, $25, $53, $33, $22, $25, $33, $33, $22, $25, $53, + $11, $11, $11, $13, $33, $31, $33, $33, $33, $31, $13, $33, $33, $31, $13, $33, $22, $22, $22, $23, $33, $32, $55, $33, $33, $32, $25, $33, $33, $22, $55, $33, + $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $13, $33, $33, $31, $33, $33, $35, $55, $55, $55, $33, $33, $53, $33, $33, $33, $25, $33, $33, $25, $53, $33, + $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $33, $35, $33, $33, $35, $33, $33 + ); + +var + PalData: array[0..7] of TGfxColor; + Palette: TGfxPalette; + Image: TFImage; +begin + inherited Create(ADisplay); + + PalData[0] := colMagenta; + PalData[1] := GetGUIColor(cl3DDkShadow); + PalData[2] := GetGUIColor(cl3DShadow); + PalData[3] := GetGUIColor(cl3DFace); + PalData[4] := GetGUIColor(cl3DLight); + PalData[5] := GetGUIColor(cl3DHighlight); + PalData[6] := GetGUIColor(clWindowText); + PalData[7] := GetGUIColor(clWindow); + + { The image canvas contains 3 horizontal stripes: + - y=0..11: Radio button images (5x 12x12 pixel) + - y=12..24: Check box images (5x 13x13 pixel) + - y=25..32: Arrow images (8x 8x8 pixel) } + +// ImageCanvas := ADisplay.DefaultScreen.CreateBitmap(65, 33); +// MaskCanvas := ADisplay.DefaultScreen.CreateMonoBitmap(12, 12); +// Palette := ADisplay.DefaultScreen.CreatePalette(8, @PalData); + + Image := TFImage.Create(60, 12, PixelFormatPal4); + Image.Palette := Palette; + Image.SetPixelsFromData(@RadioBitmapData, 30); + ImageCanvas.DrawImage(Image, Point(0, 0)); + Image.Free; + + Image := TFImage.Create(12, 12, PixelFormatMono); + Image.SetPixelsFromData(@RadioMaskData, 2); + MaskCanvas.DrawImage(Image, Point(0, 0)); + Image.Free; + + Image := TFImage.Create(66, 13, PixelFormatPal4); {!!!: width is 65, but fpGFX emulayer has a problem with odd widths} + Image.Palette := Palette; + Image.SetPixelsFromData(@CheckBoxBitmapData, 33); + ImageCanvas.DrawImage(Image, Point(0, 12)); + Image.Free; + + Image := TFImage.Create(64, 8, PixelFormatPal4); + Image.Palette := Palette; + Image.SetPixelsFromData(@ArrowBitmapData, 32); + ImageCanvas.DrawImage(Image, Point(0, 25)); + Image.Free; + + Palette.Release; +end; + +destructor TDefaultStyle.Destroy; +begin + MaskCanvas.Free; + ImageCanvas.Free; + inherited Destroy; +end; + + +// helper functions + + +{ Draws a 3D frame, its thickness is 2 pixels. The 4 given colors are used in + this way: + Color1: Outer frame left & top + Color2: Inner frame left & top + Color3: Outer frame right & bottom + Color4: Inner frame right & bottom +} + +procedure TDefaultStyle.Draw3DFrame(Canvas: TFCanvas; const ARect: TRect; + Color1, Color2, Color3, Color4: TColor); +begin + with ARect do + begin + SetUIColor(Canvas, Color1); + {Canvas.DrawPolyLine([Point(Left, Bottom - 2), TopLeft, + Point(Right - 1, Top)]);} + Canvas.DrawLine(Point(Left, Bottom - 2), TopLeft); + Canvas.DrawLine(TopLeft, Point(Right - 1, Top)); + SetUIColor(Canvas, Color2); + {Canvas.DrawPolyLine([Point(Left + 1, Bottom - 3), Point(Left + 1, Top + 1), + Point(Right - 2, Top + 1)]);} + Canvas.DrawLine(Point(Left + 1, Bottom - 3), Point(Left + 1, Top + 1)); + Canvas.DrawLine(Point(Left + 1, Top + 1), Point(Right - 2, Top + 1)); + SetUIColor(Canvas, Color3); + {Canvas.DrawPolyLine([Point(Left, Bottom - 1), Point(Right - 1, Bottom - 1), + Point(Right - 1, Top - 1)]);} + Canvas.DrawLine(Point(Left, Bottom - 1), Point(Right - 1, Bottom - 1)); + Canvas.DrawLine(Point(Right - 1, Bottom - 1), Point(Right - 1, Top - 1)); + SetUIColor(Canvas, Color4); + {Canvas.DrawPolyLine([Point(Left + 1, Bottom - 2), + Point(Right - 2, Bottom - 2), Point(Right - 2, Top)]);} + Canvas.DrawLine(Point(Left + 1, Bottom - 2), Point(Right - 2, Bottom - 2)); + Canvas.DrawLine(Point(Right - 2, Bottom - 2), Point(Right - 2, Top)); + end; +end; + +procedure TDefaultStyle.DrawSunkenOuterBorder(Canvas: TFCanvas; + const ARect: TRect); +begin + with ARect do + begin + SetUIColor(Canvas, cl3DShadow); + Canvas.DrawLine(Point(Left, Bottom - 2), TopLeft); + Canvas.DrawLine(TopLeft, Point(Right, Top)); + SetUIColor(Canvas, cl3DHighlight); + Canvas.DrawLine(Point(Left, Bottom - 1), Point(Right - 1, Bottom - 1)); + Canvas.DrawLine(Point(Right - 1, Bottom - 1), Point(Right - 1, Top - 1)); + end; +end; + +procedure TDefaultStyle.DrawRaisedOuterBorder(Canvas: TFCanvas; + const ARect: TRect); +begin + with ARect do + begin + SetUIColor(Canvas, cl3DHighlight); + Canvas.DrawLine(Point(Left, Bottom - 2), TopLeft); + Canvas.DrawLine(TopLeft, Point(Right, Top)); + SetUIColor(Canvas, cl3DShadow); + Canvas.DrawLine(Point(Left, Bottom - 1), Point(Right - 1, Bottom - 1)); + Canvas.DrawLine(Point(Right - 1, Bottom - 1), Point(Right - 1, Top - 1)); + end; +end; + +procedure TDefaultStyle.DrawText(Canvas: TFCanvas; const APosition: TPoint; + const AText: String; State: TWidgetState); +begin + if not (wsEnabled in State) then + begin + SetUIColor(Canvas, cl3DHighlight); + Canvas.TextOut(APosition + Point(1, 1), AText); + SetUIColor(Canvas, cl3DShadow); + end; + Canvas.TextOut(APosition, AText); +end; + +procedure TDefaultStyle.DrawItemBefore(Canvas: TFCanvas; const ARect: TRect; + Flags: TItemFlags); +begin + if ifSelected in Flags then + begin + SetUIColor(Canvas, clHighlight); + Canvas.FillRect(ARect); + SetUIColor(Canvas, clHighlightText); + end; +end; + +procedure TDefaultStyle.DrawItemAfter(Canvas: TFCanvas; const ARect: TRect; + Flags: TItemFlags); +begin + if ifFocused in Flags then + DrawFocusRect(Canvas, ARect); +end; + +procedure TDefaultStyle.DrawWindowBackground(Canvas: TFCanvas; + const ARect: TRect); +begin + SetUIColor(Canvas, cl3DFace); + Canvas.FillRect(ARect); +end; + +procedure TDefaultStyle.DrawButtonFace(Canvas: TFCanvas; const ARect: TRect; + Flags: TButtonFlags); +var + r: TRect; +begin + r := ARect; + + if btnIsSelected in Flags then + begin + SetUIColor(Canvas, cl3DDkShadow); + Canvas.DrawRect(r); + Inc(r.Left); + Inc(r.Top); + Dec(r.Right); + Dec(r.Bottom); + end; + + if btnIsPressed in Flags then + begin + SetUIColor(Canvas, cl3DShadow); + Canvas.DrawRect(r); + Inc(r.Left); + Inc(r.Top); + Dec(r.Right); + Dec(r.Bottom); + end else + begin + if btnIsEmbedded in Flags then + Draw3DFrame(Canvas, r, cl3DLight, cl3DHighlight, cl3DDkShadow, cl3DShadow) + else + Draw3DFrame(Canvas, r, cl3DHighlight, cl3DLight, cl3DDkShadow, cl3DShadow); + Inc(r.Left, 2); + Inc(r.Top, 2); + Dec(r.Right, 2); + Dec(r.Bottom, 2); + end; + + SetUIColor(Canvas, cl3DFace); + Canvas.FillRect(r); + + if btnHasFocus in Flags then + begin + r.Left := ARect.Left + 4; + r.Top := ARect.Top + 4; + r.Right := ARect.Right - 4; + r.Bottom := ARect.Bottom - 4; + DrawFocusRect(Canvas, r); + end; +end; + +function TDefaultStyle.GetButtonBorders: TRect; +begin + Result := Rect(5, 5, 5, 5); +end; + +function TDefaultStyle.GetSeparatorSize: Integer; +begin + Result := 2; +end; + +procedure TDefaultStyle.DrawSeparator(Canvas: TFCanvas; const ARect: TRect; + AOrientation: TOrientation); +var + r: TRect; +begin + with ARect do + if AOrientation = Horizontal then + r := Rect(Left, Top + (Bottom - Top) div 2 - 1, Right, + Top + (Bottom - Top) div 2 + 1) + else + r := Rect(Left + (Right - Left) div 2 - 1, Top, + Left + (Right - Left) div 2 + 1, Bottom); + DrawSunkenOuterBorder(Canvas, r); +end; + +procedure TDefaultStyle.DrawGroupBox(Canvas: TFCanvas; const ARect: TRect; + const ALabel: String; WidgetState: TWidgetState); +var + TitleWidth, TitleHeight, TopLine: Integer; +begin + TitleWidth := Canvas.TextWidth(ALabel); + TitleHeight := Canvas.FontCellHeight; + TopLine := ARect.Top + TitleHeight div 3; + + SetUIColor(Canvas, cl3DHighlight); +{ with ARect do + Canvas.DrawPolyLine([Point(Left + TitleWidth + 10, TopLine + 1), + Point(Right - 1, TopLine + 1), + Point(Right - 1, Bottom - 1), + Point(Left + 1, Bottom - 1), + Point(Left + 1, TopLine + 1), + Point(Left + 8, TopLine + 1)]); +} + with ARect do + begin + Canvas.DrawLine(Point(Left + TitleWidth + 10, TopLine + 1), Point(Right - 1, TopLine + 1)); { top - right of text } + Canvas.DrawLine(Point(Right - 1, TopLine + 1), Point(Right - 1, Bottom - 1)); { right } + Canvas.DrawLine(Point(Right - 1, Bottom - 1), Point(Left + 1, Bottom - 1)); { bottom } + Canvas.DrawLine(Point(Left + 1, Bottom - 1), Point(Left + 1, TopLine + 1)); { left } + Canvas.DrawLine(Point(Left + 1, TopLine + 1), Point(Left + 8, TopLine + 1)); { top - left of text } + end; + + SetUIColor(Canvas, cl3DShadow); +{ with ARect do + Canvas.DrawPolyLine([Left + TitleWidth + 10, TopLine, + Right - 2, TopLine, + Right - 2, Bottom - 2, + Left, Bottom - 2, + Left, TopLine, + Left + 8, TopLine]);} + with ARect do + begin + Canvas.DrawLine(Point(Left + TitleWidth + 10, TopLine), Point(Right - 2, TopLine)); + Canvas.DrawLine(Point(Right - 2, TopLine), Point(Right - 2, Bottom - 2)); + Canvas.DrawLine(Point(Right - 2, Bottom - 2), Point(Left, Bottom - 2)); + Canvas.DrawLine(Point(Left, Bottom - 2), Point(Left, TopLine)); + Canvas.DrawLine(Point(Left, TopLine), Point(Left + 8, TopLine)); + end; + + SetUIColor(Canvas, clWindowText); + if ALabel <> '' then + DrawText(Canvas, ARect.TopLeft + Point(9, 0), ALabel, WidgetState); +end; + +function TDefaultStyle.GetGroupBoxBorders(Canvas: TFCanvas; + const ALabel: String; var LabelWidth: Integer): TRect; +begin + Result := Rect(6, Canvas.FontCellHeight + 4, 6, 6); + LabelWidth := Canvas.TextWidth(ALabel) + 6; +end; + +procedure TDefaultStyle.DrawEditBox(Canvas: TFCanvas; const ARect: TRect); +begin + Draw3DFrame(Canvas, ARect, cl3DShadow, cl3DDkShadow, cl3DHighlight, cl3DFace); + SetUIColor(Canvas, clWindow); + with ARect do + Canvas.FillRect(Rect(Left + 2, Top + 2, Right - 2, Bottom - 2)); +end; + +function TDefaultStyle.GetEditBoxBorders: TRect; +begin + Result := Rect(2, 2, 2, 2); +end; + +procedure TDefaultStyle.DrawCheckBox(Canvas: TFCanvas; + const ARect, LabelRect: TRect; Flags: TCheckboxFlags); +var + Index, BoxY: Integer; +begin + SetUIColor(Canvas, cl3DFace); + Canvas.FillRect(ARect); + with ARect do + begin + BoxY := Top + (Bottom - Top - 13) div 2; + if cbIsEnabled in Flags then + begin + Index := Ord(cbIsChecked in Flags); + if cbIsPressed in Flags then + Inc(Index, 2); + end else + Index := 2 + Ord(cbIsChecked in Flags) * 2; + Canvas.CopyRect(ImageCanvas, Rect(Index * 13, 12, (Index + 1) * 13, 25), + Point(Left, BoxY)); + end; + + if cbHasFocus in Flags then + with LabelRect do + DrawFocusRect(Canvas, Rect(Left - 2, Top - 2, Right + 2, Bottom + 2)); +end; + +procedure TDefaultStyle.GetCheckBoxLayout(const LabelSize: TSize; + var TotalSize: TSize; var LabelPos: TPoint); +begin + TotalSize := gfxbase.Size(LabelSize.cx + 21, Max(13, LabelSize.cy + 4)); + LabelPos := Point(19, (TotalSize.cy - LabelSize.cy) div 2); +end; + + +procedure TDefaultStyle.DrawRadioButton(Canvas: TFCanvas; + const ARect, LabelRect: TRect; Flags: TCheckboxFlags); +var + Index, BtnY: Integer; +begin + with ARect do + begin + BtnY := Top + (Bottom - Top - 12) div 2; + if cbIsEnabled in Flags then + begin + Index := Ord(cbIsChecked in Flags); + if cbIsPressed in Flags then + Inc(Index, 2); + end else + Index := 2 + Ord(cbIsChecked in Flags) * 2; + Canvas.MaskedCopyRect(ImageCanvas, MaskCanvas, + Rect(Index * 12, 0, (Index + 1) * 12, 12), + Point(0, 0), Point(Left, BtnY)); + end; + if cbHasFocus in Flags then + with LabelRect do + DrawFocusRect(Canvas, Rect(Left - 2, Top - 2, Right + 2, Bottom + 2)); +end; + + +procedure TDefaultStyle.GetRadioButtonLayout(const LabelSize: TSize; + var TotalSize: TSize; var LabelPos: TPoint); +begin + TotalSize := gfxbase.Size(LabelSize.cx + 20, Max(12, LabelSize.cy + 4)); + LabelPos := Point(18, (TotalSize.cy - LabelSize.cy) div 2); +end; + + +function TDefaultStyle.GetComboBoxArrowSize: TSize; +begin + Result := gfxbase.Size(16, 17); +end; + + +procedure TDefaultStyle.DrawComboBoxArrow(Canvas: TFCanvas; + const ARect: TRect; IsPressed, IsEnabled: Boolean); +var + Pt: TPoint; + Index: Integer; +begin + with ARect do + Pt := TopLeft + Point((Right - Left - 8) div 2, (Bottom - Top - 8) div 2); + + if IsPressed then + Pt := Pt + Point(1, 1); + + Index := 1 + Ord(not IsEnabled) * 4; + Canvas.CopyRect(ImageCanvas, Rect(Index * 8, 25, (Index + 1) * 8, 33), Pt); +end; + + +function TDefaultStyle.GetScrollBarBorders(Orientation: TOrientation): TRect; +begin + Result := Rect(1, 1, 1, 1); +end; + + +function TDefaultStyle.GetScrollBarBtnSize(Orientation: TOrientation): TSize; +begin + Result.cx := 16; + Result.cy := 16; +end; + + +function TDefaultStyle.GetScrollBarBtnMinSize: Integer; +begin + Result := 30; +end; + + +procedure TDefaultStyle.DrawScrollBarBorder(Canvas: TFCanvas; + const ARect: TRect); +begin + with ARect do + begin + SetUIColor(Canvas, cl3DShadow); +{ Canvas.DrawPolyLine([Left, Bottom - 1, Left, Top, Right, Top]);} + Canvas.DrawLine(Point(Left, Bottom - 1), TopLeft); + Canvas.DrawLine(TopLeft, Point(Right, Top)); + SetUIColor(Canvas, cl3DHighlight); +{ Canvas.DrawPolyLine([Left + 1, Bottom - 1, Right - 1, Bottom - 1, + Right - 1, Top]);} + Canvas.DrawLine(Point(Left + 1, Bottom - 1), Point(Right - 1, Bottom - 1)); + Canvas.DrawLine(Point(Right - 1, Bottom - 1), Point(Right - 1, Top)); + SetUIColor(Canvas, cl3DFace); + Canvas.FillRect(Rect(Left, Bottom - 1, Left + 1, Bottom)); + Canvas.FillRect(Rect(Right - 1, Top, Right, Top + 1)); + end; +end; + + +procedure TDefaultStyle.DrawScrollBarButton(Canvas: TFCanvas; + const ARect: TRect; Direction: TArrowDirection; + IsPressed, IsEnabled: Boolean); +var + Index: Integer; +begin + Index := Ord(Direction) + Ord(not IsEnabled) * 4; + with ARect do + Canvas.CopyRect( + ImageCanvas, + Rect(Index * 8, 25, (Index + 1) * 8, 33), + TopLeft + Point((Right - Left - 8) div 2, (Bottom - Top - 8) div 2)); +end; + + +function TDefaultStyle.GetScrollBoxBorders: TRect; +begin + Result := Rect(2, 2, 2, 2); +end; + + +procedure TDefaultStyle.DrawScrollBoxBorder(Canvas: TFCanvas; const ARect: TRect); +begin + Draw3DFrame(Canvas, ARect, cl3DShadow, cl3DDkShadow, + cl3DHighlight, cl3DLight); +end; + + +function TDefaultStyle.GetMenuBorders(pCanvas: TFCanvas; const pText: string; + var pTextWidth: Integer): TRect; +begin + pTextWidth := pCanvas.TextWidth(pText) + 6; +// Result := Rect(2, 2, 6, pCanvas.FontCellHeight+4); + Result := Rect(6, 2, 2, 2); +// Result := Rect(6, pCanvas.FontCellHeight + 4, 6, 6); +end; + +function TDefaultStyle.GetPanelBorders: TRect; +begin + Result := Rect(5, 5, 5, 5); +end; + +procedure TDefaultStyle.DrawPanel(Canvas: TFCanvas; const ARect: TRect; + ABevelStyle: TBevelStyle); +begin + // bsPlain, bsLowered, bsRaised + if ABevelStyle = bsPlain then + DrawWindowBackground(Canvas, ARect) + else if ABevelStyle = bsLowered then + DrawSunkenOuterBorder(Canvas, ARect) + else + DrawRaisedOuterBorder(Canvas, ARect); +// Draw3DFrame(Canvas, ARect, cl3DHighlight, cl3DFace, cl3DFace, cl3DShadow); +end; + + +{ MotifStyle } + +procedure TMotifStyle.DrawButtonFace(Canvas: TFCanvas; const ARect: TRect; + Flags: TButtonFlags); +var + r: TRect; +begin + r := ARect; + + if btnIsSelected in Flags then + begin + SetUIColor(Canvas, cl3DDkShadow); + Canvas.DrawRect(r); + Inc(r.Left); + Inc(r.Top); + Dec(r.Right); + Dec(r.Bottom); + end; + + if btnIsPressed in Flags then + begin + SetUIColor(Canvas, cl3DShadow); + Canvas.DrawRect(r); + Inc(r.Left); + Inc(r.Top); + Dec(r.Right); + Dec(r.Bottom); + end else + begin + if btnIsEmbedded in Flags then + Draw3DFrame(Canvas, r, cl3DLight, cl3DHighlight, cl3DDkShadow, cl3DShadow) + else + Draw3DFrame(Canvas, r, cl3DHighlight, cl3DLight, cl3DDkShadow, cl3DShadow); + Inc(r.Left, 2); + Inc(r.Top, 2); + Dec(r.Right, 2); + Dec(r.Bottom, 2); + end; + + SetUIColor(Canvas, cl3DFace); + Canvas.FillRect(r); + + if btnHasFocus in Flags then + begin + r.Left := ARect.Left + 4; + r.Top := ARect.Top + 4; + r.Right := ARect.Right - 4; + r.Bottom := ARect.Bottom - 4; + DrawFocusRect(Canvas, r); + end; +end; + + +procedure TMotifStyle.DrawFocusRect(Canvas: TFCanvas; const ARect: TRect); +begin + SetUIColor(Canvas, clGray); + Canvas.DrawRect(ARect); +end; + + +procedure TMotifStyle.DrawCheckBox(Canvas: TFCanvas; const ARect, + LabelRect: TRect; Flags: TCheckboxFlags); +begin + inherited DrawCheckBox(Canvas, ARect, LabelRect, Flags); +end; + + + +{$ENDIF read_implementation} + |