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- PRODUCT : Turbo Pascal NUMBER : 990
- VERSION : 1.0
- OS : Windows
- DATE : May 19, 1992 PAGE : 1/3
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- TITLE : Changing Fonts in Edits Controls
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- {$X+}
- program EditFonts;
- {
- Changing an edit controls font settings.
- }
-
- uses WObjects, WinProcs, WinTypes, Strings;
-
- const
- id_Font = 201;
-
- Type
- TMyApplication = object(TApplication)
- procedure InitMainWindow; virtual;
- end;
-
- PMyWIndow = ^TMyWindow;
- TMyWindow = object(TWindow)
- constructor Init(AParent: PWindowsObject; ATitle: PChar);
- procedure Font(var Msg: TMessage);
- virtual id_First + id_Font;
- procedure SetupWindow; virtual;
- end;
-
- var
- MyEdit: PEdit;
- Button: PButton;
-
- { TMyApplication }
- procedure TMyApplication.InitMainWindow;
- begin
- MainWindow:= new(PMyWindow,init(nil,
- 'Changing TEdit Control''s Font'));
- end;
-
- Constructor TMyWindow.Init(AParent: PWindowsObject; ATitle:
- PChar);
- begin
- TWindow.Init(AParent, ATitle);
- MyEdit := new(PEdit, Init(@ Self, 200, 'Information',
- 1,1,100,50,0, False));
- Button := new(PButton, init(@ Self, 201, '&Font',
- 100,100,100,50,True));
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- PRODUCT : Turbo Pascal NUMBER : 990
- VERSION : 1.0
- OS : Windows
- DATE : May 19, 1992 PAGE : 2/3
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- TITLE : Changing Fonts in Edits Controls
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- end;
-
- procedure TMyWindow.SetupWindow;
- begin
- TWindow.SetupWindow;
- SetFocus(Button^.hWindow);
- end;
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- procedure TMyWindow.Font(var Msg: TMessage);
- var
- LogFont: TLogFont;
- DC: hDC;
- begin
- { set up the LogFont structure }
- With LogFont do
- begin
- lfHeight := 15;
- lfWidth:=0;
- lfEscapement:=0;
- lfOrientation:=0;
- lfWeight:= FW_Normal or FW_Regular;
- lfItalic:= 0;
- lfUnderLine:= 0;
- lfStrikeOut:= 0;
- lfCharSet:= ANSI_CharSet;
- lfOutPrecision:= Out_Default_Precis;
- lfClipPrecision:= Clip_Default_Precis;
- lfQuality:=Default_Quality;
- lfPitchandFamily:= Default_Pitch and ff_DontCare;
- StrCopy(lfFaceName, 'Courier');
- end;
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- DC := GetDC(HWindow);
-
- { send message to change the font }
- SendMessage(MyEdit^.hWindow, WM_SetFont,
- CreateFontIndirect(LogFont) , 1);
- DeleteObject(CreateFontIndirect(LogFont));
-
- { change the button's text to 'Done' }
- SetWindowText(Button^.hWindow, 'Done');
- { must send message to button's paint }
- { to update the button's text }
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- PRODUCT : Turbo Pascal NUMBER : 990
- VERSION : 1.0
- OS : Windows
- DATE : May 19, 1992 PAGE : 3/3
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- TITLE : Changing Fonts in Edits Controls
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- SendMessage(Button^.HWindow, wm_Paint, 0, 1);
- ReleaseDC(HWindow, DC);
- end;
-
- var
- MyApp: TMyApplication;
- begin
- MyApp.Init('MyProgram');
- MyApp.Run;
- MyApp.Done;
- end.
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