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{
fpGUI - Free Pascal GUI Library
Motif style implementation
Copyright (C) 2006 - 2007 See the file AUTHORS.txt, included in this
distribution, for details of the copyright.
See the file COPYING.modifiedLGPL, included in this distribution,
for details about redistributing fpGUI.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
}
unit MotifStyle;
{$mode objfpc}{$H+}
interface
uses
Classes
,SysUtils
,fpGUI
,fpGFX
;
type
TMotifStyle = class(TBasicStyle)
public
// General
procedure DrawFocusRect(Canvas: TFCanvas; const ARect: TRect); override;
// Buttons
procedure DrawButtonFace(Canvas: TFCanvas; const ARect: TRect; Flags: TFButtonFlags); override;
// Check boxes
procedure DrawCheckBox(Canvas: TFCanvas; const ARect, LabelRect: TRect; Flags: TFCheckboxFlags); override;
end;
implementation
{ MotifStyle }
procedure TMotifStyle.DrawButtonFace(Canvas: TFCanvas; const ARect: TRect;
Flags: TFButtonFlags);
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: TFCheckboxFlags);
var
r: TRect;
xmid: integer;
ymid: integer;
procedure _DrawBottomHalf;
begin
// draw the bottom \ line
Canvas.DrawLine(Point(r.Left+1, r.Top+ymid+1), Point(r.Left+xmid, r.Bottom));
Canvas.DrawLine(Point(r.Left+2, r.Top+ymid+1), Point(r.Left+xmid, r.Bottom-1));
Canvas.DrawLine(Point(r.Left+3, r.Top+ymid+1), Point(r.Left+xmid, r.Bottom-2));
// draw the bottom / line
Canvas.DrawLine(Point(r.Left+xmid, r.Bottom), Point(r.Right, r.Top+ymid-1));
Canvas.DrawLine(Point(r.Left+xmid, r.Bottom-1), Point(r.Right-1, r.Top+ymid-1));
Canvas.DrawLine(Point(r.Left+xmid, r.Bottom-2), Point(r.Right-2, r.Top+ymid-1));
end;
procedure _DrawTopHalf;
begin
// draw the top / line
Canvas.DrawLine(Point(r.Left, r.Top+ymid), Point(r.Left+xmid+1, r.Top));
Canvas.DrawLine(Point(r.Left+1, r.Top+ymid), Point(r.Left+xmid+1, r.Top+1));
Canvas.DrawLine(Point(r.Left+2, r.Top+ymid), Point(r.Left+xmid+1, r.Top+2));
// draw the top \ line
Canvas.DrawLine(Point(r.Left+xmid+1, r.Top+2), Point(r.Right-1, r.Top+ymid));
Canvas.DrawLine(Point(r.Left+xmid+1, r.Top+3), Point(r.Right-2, r.Top+ymid));
Canvas.DrawLine(Point(r.Left+xmid+1, r.Top+4), Point(r.Right-3, r.Top+ymid));
end;
begin
SetUIColor(Canvas, cl3DFace);
Canvas.FillRect(ARect);
r.Left := ARect.Left;
r.Top := ARect.Top + (ARect.Bottom - ARect.Top - 13) div 2;
r.Right := 13;
r.Bottom := r.Top + 13;
xmid := ((r.Right - r.Left) div 2);
ymid := ((r.Bottom - r.Top) div 2) + 1;
if (cbIsChecked in Flags) then
begin
SetUIColor(Canvas, clWhite);
_DrawBottomHalf;
SetUIColor(Canvas, cl3DShadow);
_DrawTopHalf;
end
else
begin
SetUIColor(Canvas, cl3DShadow);
_DrawBottomHalf;
SetUIColor(Canvas, clWhite);
_DrawTopHalf;
end;
if cbHasFocus in Flags then
with LabelRect do
DrawFocusRect(Canvas, Rect(Left - 2, Top - 2, Right + 2, Bottom + 2));
end;
//initialization
//finalization
// gStyleManager.RegisterClass('Motif', TMotifStyle);
end.
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