label clipping hack is not needed for GTK+ >= 2.12

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51505 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett 2008-02-02 17:58:04 +00:00
parent 7e7bc14b51
commit 357b1b5292

View File

@ -13,54 +13,34 @@
#if wxUSE_STATBOX
#include "wx/statbox.h"
#include "wx/gtk/private.h"
#include "gdk/gdk.h"
#include "gtk/gtk.h"
// ============================================================================
// implementation
// ============================================================================
#include <gtk/gtk.h>
// constants taken from GTK sources
#define LABEL_PAD 1
#define LABEL_SIDE_PAD 2
//-----------------------------------------------------------------------------
// "gtk_frame_size_allocate" signal
// "size_allocate" from m_widget
//-----------------------------------------------------------------------------
extern "C" {
static void
gtk_frame_size_allocate (GtkWidget *widget,
GtkAllocation *allocation,
wxStaticBox * WXUNUSED(box))
static void size_allocate(GtkWidget* widget, GtkAllocation* alloc, void*)
{
GtkFrame *frame = GTK_FRAME (widget);
// this handler gets called _after_ the GTK+'s own signal handler; thus we
// need to fix only the width of the GtkLabel
// (everything else has already been handled by the GTK+ signal handler).
if (frame->label_widget && GTK_WIDGET_VISIBLE (frame->label_widget))
// clip label as GTK >= 2.12 does
GtkWidget* label_widget = gtk_frame_get_label_widget(GTK_FRAME(widget));
int w = alloc->width -
2 * widget->style->xthickness - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD;
if (w < 0) w = 0;
if (label_widget->allocation.width > w)
{
GtkAllocation ca = frame->label_widget->allocation;
// we want the GtkLabel to not exceed maxWidth:
int maxWidth = allocation->width - 2*LABEL_SIDE_PAD - 2*LABEL_PAD;
maxWidth = wxMax(2, maxWidth); // maxWidth must always be positive!
// truncate the label to the GtkFrame width...
ca.width = wxMin(ca.width, maxWidth);
gtk_widget_size_allocate(frame->label_widget, &ca);
GtkAllocation alloc2 = label_widget->allocation;
alloc2.width = w;
gtk_widget_size_allocate(label_widget, &alloc2);
}
}
}
//-----------------------------------------------------------------------------
// wxStaticBox
//-----------------------------------------------------------------------------
@ -98,6 +78,7 @@ bool wxStaticBox::Create( wxWindow *parent,
}
m_widget = GTKCreateFrame(label);
// only base SetLabel needs to be called after GTKCreateFrame
wxControl::SetLabel(label);
m_parent->DoAddChild( this );
@ -105,23 +86,22 @@ bool wxStaticBox::Create( wxWindow *parent,
PostCreation(size);
// need to set non default alignment?
gfloat xalign;
gfloat xalign = 0;
if ( style & wxALIGN_CENTER )
xalign = 0.5;
else if ( style & wxALIGN_RIGHT )
xalign = 1.0;
else // wxALIGN_LEFT
xalign = 0.0;
if ( style & (wxALIGN_RIGHT | wxALIGN_CENTER) ) // left alignment is default
gtk_frame_set_label_align(GTK_FRAME( m_widget ), xalign, 0.5);
gtk_frame_set_label_align(GTK_FRAME(m_widget), xalign, 0.5);
// in order to clip the label widget, we must connect to the size allocate
// signal of this GtkFrame after the default GTK+'s allocate size function
g_signal_connect_after (m_widget, "size_allocate",
G_CALLBACK (gtk_frame_size_allocate), this);
if (gtk_check_version(2, 12, 0))
{
// for clipping label as GTK >= 2.12 does
g_signal_connect(m_widget, "size_allocate",
G_CALLBACK(size_allocate), NULL);
}
return TRUE;
return true;
}
void wxStaticBox::SetLabel( const wxString& label )