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truncate the static box label to fit the control size (patch 1695228)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45366 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2007-04-09 21:39:09 +00:00
parent 28117f2426
commit 34a0dc614e
1 changed files with 48 additions and 0 deletions
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48
src/gtk/statbox.cpp
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@ -18,6 +18,49 @@
#include "gdk/gdk.h"
#include "gtk/gtk.h"
// ============================================================================
// implementation
// ============================================================================
// constants taken from GTK sources
#define LABEL_PAD 1
#define LABEL_SIDE_PAD 2
//-----------------------------------------------------------------------------
// "gtk_frame_size_allocate" signal
//-----------------------------------------------------------------------------
extern "C" {
static void
gtk_frame_size_allocate (GtkWidget *widget,
GtkAllocation *allocation,
wxStaticBox *p)
{
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))
{
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);
}
}
}
//-----------------------------------------------------------------------------
// wxStaticBox
//-----------------------------------------------------------------------------
@ -75,6 +118,11 @@ bool wxStaticBox::Create( wxWindow *parent,
if ( style & (wxALIGN_RIGHT | wxALIGN_CENTER) ) // left alignment is default
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);
return TRUE;
}