gecko-dev/widget/gtk2/nsToolkit.cpp

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3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "nscore.h" // needed for 'nsnull'
#include "nsGTKToolkit.h"
nsGTKToolkit* nsGTKToolkit::gToolkit = nsnull;
//-------------------------------------------------------------------------
//
// constructor
//
//-------------------------------------------------------------------------
nsGTKToolkit::nsGTKToolkit()
: mSharedGC(nsnull), mFocusTimestamp(0)
{
CreateSharedGC();
}
//-------------------------------------------------------------------------
//
// destructor
//
//-------------------------------------------------------------------------
nsGTKToolkit::~nsGTKToolkit()
{
if (mSharedGC) {
g_object_unref(mSharedGC);
}
}
void nsGTKToolkit::CreateSharedGC(void)
{
GdkPixmap *pixmap;
if (mSharedGC)
return;
pixmap = gdk_pixmap_new(NULL, 1, 1, gdk_rgb_get_visual()->depth);
mSharedGC = gdk_gc_new(pixmap);
g_object_unref(pixmap);
}
GdkGC *nsGTKToolkit::GetSharedGC(void)
{
return (GdkGC *)g_object_ref(mSharedGC);
}
//-------------------------------------------------------------------------------
// Return the toolkit. If a toolkit does not yet exist, then one will be created.
//-------------------------------------------------------------------------------
// static
nsGTKToolkit* nsGTKToolkit::GetToolkit()
{
if (!gToolkit) {
gToolkit = new nsGTKToolkit();
}
return gToolkit;
}