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gtk2: TGroupBox: don't use GtkLabel for GtkFrame if caption is empty - this way it paints better

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git-svn-id: trunk@20289 -
This commit is contained in:
paul 2009-05-29 02:40:37 +00:00
parent 50ad4d8937
commit f71703d874
1 changed files with 27 additions and 9 deletions
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36
lcl/interfaces/gtk2/gtk2wsstdctrls.pp
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@ -79,6 +79,8 @@ type
{ TGtk2WSCustomGroupBox }
TGtk2WSCustomGroupBox = class(TGtkWSCustomGroupBox)
protected
class procedure SetLabel(AFrame: PGtkFrame; AText: String);
published
class function CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
class function GetDefaultClientRect(const AWinControl: TWinControl;
@ -1678,6 +1680,28 @@ end;
{ TGtk2WSCustomGroupBox }
class procedure TGtk2WSCustomGroupBox.SetLabel(AFrame: PGtkFrame; AText: String);
var
Lbl: PGtkWidget;
begin
Lbl := gtk_frame_get_label_widget(AFrame);
if (AText = '') then
begin
if Lbl <> nil then
gtk_widget_destroy(Lbl);
end
else
begin
if Lbl = nil then
begin
Lbl := gtk_label_new(nil);
gtk_widget_show(Lbl);
end;
gtk_frame_set_label_widget(AFrame, Lbl);
Gtk2Widgetset.SetLabelCaption(PGtkLabel(Lbl), AText);
end;
end;
class function TGtk2WSCustomGroupBox.CreateHandle(
const AWinControl: TWinControl; const AParams: TCreateParams
): TLCLIntfHandle;
@ -1687,14 +1711,11 @@ var
{$endif}
TempWidget: PGTKWidget; // pointer to gtk-widget (local use when neccessary)
p : pointer; // ptr to the newly created GtkWidget
L : PGTKWidget;
Allocation: TGTKAllocation;
WidgetInfo: PWidgetInfo;
begin
L := gtk_label_new(AParams.Caption);
gtk_widget_show(L);
P := gtk_frame_new(nil);
gtk_frame_set_label_widget(GTK_FRAME(P), GTK_WIDGET(L));
SetLabel(P, AParams.Caption);
WidgetInfo := CreateWidgetInfo(P, AWinControl, AParams);
{$if defined(GtkFixedWithWindow)}
TempWidget := CreateFixedClientWidget;
@ -1779,7 +1800,7 @@ var
Frame: PGtkFrame;
Lbl: PGtkWidget;
begin
Frame:=PGtkFrame(Pointer(AWinControl.Handle));
Frame := PGtkFrame(Pointer(AWinControl.Handle));
Lbl := gtk_frame_get_label_widget(Frame);
if Lbl <> nil then
@ -1793,12 +1814,9 @@ end;
class procedure TGtk2WSCustomGroupBox.SetText(const AWinControl: TWinControl;
const AText: string);
var
AFrame: PGtkFrame;
begin
if not WSCheckHandleAllocated(AWinControl, 'SetText') then Exit;
AFrame := PGtkFrame(AWinControl.Handle);
Gtk2Widgetset.SetLabelCaption(PGtkLabel(gtk_frame_get_label_widget(AFrame)), ATExt);
SetLabel(PGtkFrame(AWinControl.Handle), AText);
end;
function Gtk2WSButton_Clicked(AWidget: PGtkWidget; AInfo: PWidgetInfo): GBoolean; cdecl;