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78 lines
2.5 KiB
PHP
78 lines
2.5 KiB
PHP
{%MainUnit gtk1int.pp}
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{******************************************************************************
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TGtkWidgetSet
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******************************************************************************
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*****************************************************************************
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This file is part of the Lazarus Component Library (LCL)
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See the file COPYING.modifiedLGPL.txt, included in this distribution,
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for details about the license.
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*****************************************************************************
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}
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{$IFOPT C-}
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// Uncomment for local trace
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// {$C+}
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// {$DEFINE ASSERT_IS_ON}
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{$ENDIF}
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function TGTK1WidgetSet.GetDeviceContextClass: TGtkDeviceContextClass;
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begin
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Result := TGtk1DeviceContext;
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end;
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{------------------------------------------------------------------------------
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procedure SetWidgetFont
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AWidget : PGtkWidget; const AFont: TFont
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------------------------------------------------------------------------------}
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procedure TGtk1WidgetSet.SetWidgetFont(const AWidget: PGtkWidget; const AFont: TFont);
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var
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WindowStyle: PGtkStyle;
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FontGdiObject: PGdiObject;
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begin
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if GtkWidgetIsA(AWidget,GTKAPIWidget_GetType) then
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Exit; // the GTKAPIWidget is self drawn, so no use to change the widget style.
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if (GTK_WIDGET_REALIZED(AWidget)) then
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WindowStyle := gtk_style_copy(gtk_widget_get_style(AWidget))
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else
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WindowStyle := gtk_style_copy(gtk_rc_get_style(AWidget));
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if (Windowstyle = nil) then
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Windowstyle := gtk_style_new;
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FontGdiObject := PGdiObject(AFont.Reference.Handle);
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windowstyle^.font := Pointer(FontGdiObject^.GdiFontObject);
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gtk_widget_set_style(aWidget, windowStyle);
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end;
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procedure TGtk1WidgetSet.SetLabelCaption(const ALabel: PGtkLabel; const ACaption: String;
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const AComponent: TComponent = nil; const ASignalWidget: PGTKWidget = nil;
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const ASignal: PChar = nil);
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var
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Caption, Pattern: String;
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CurText: PChar;
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AccelKey: Char;
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begin
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Caption := ACaption;
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LabelFromAmpersands(Caption, Pattern, AccelKey);
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gtk_label_get(ALabel, @CurText);
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if Caption <> StrPas(CurText) then
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begin
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gtk_label_set_text(ALabel, PChar(Caption));
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gtk_label_set_pattern(ALabel, PChar(Pattern));
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end;
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if AComponent = nil then Exit;
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if ASignalWidget = nil then Exit;
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if ASignal = '' then Exit;
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// update the Accelerator
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if AccelKey = #0
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then Accelerate(AComponent, ASignalWidget, GDK_VOIDSYMBOL, 0, ASignal)
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else Accelerate(AComponent, ASignalWidget, Ord(AccelKey), 0, ASignal);
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end;
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