pjs/xpfe/bootstrap/nsNativeAppSupportGtk.cpp

161 строка
3.5 KiB
C++
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Mozilla browser.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* syd@netscape.com 2/12/00.
* pavlov@netscape.com 2/13/00.
*/
#include "nsNativeAppSupport.h"
#include "gdk/gdk.h"
#include "gdk/gdkprivate.h"
class nsSplashScreenGtk : public nsISplashScreen {
public:
nsSplashScreenGtk();
virtual ~nsSplashScreenGtk();
NS_IMETHOD Show();
NS_IMETHOD Hide();
NS_DECL_ISUPPORTS
GdkWindow *mDialog;
}; // class nsSplashScreenGtk
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NS_IMPL_THREADSAFE_ISUPPORTS0(nsSplashScreenGtk)
nsSplashScreenGtk::nsSplashScreenGtk()
{
NS_INIT_REFCNT();
// if this fails, we exit
gdk_init( 0, NULL );
}
nsSplashScreenGtk::~nsSplashScreenGtk()
{
Hide();
}
NS_IMETHODIMP nsSplashScreenGtk::Show()
{
GdkPixmap *pmap;
GdkBitmap *mask;
GdkWindowAttr attr;
int c, width, height, num_cols, cpp;
FILE *fp;
GdkColor transparentColor;
/* figure out what we are dealing with here */
if ( ( fp = fopen( "splash.xpm", "r" ) ) == (FILE *) NULL )
return NS_ERROR_FAILURE;
// find the first '"'
while ( !feof( fp ) ) {
c = fgetc( fp );
if ( c == '"' )
break;
}
if (feof(fp)) {
fclose( fp );
return NS_ERROR_FAILURE;
}
/* read size info */
fscanf( fp, "%d %d %d %d", &width, &height, &num_cols, &cpp );
fclose( fp );
/* create a window */
attr.window_type = GDK_WINDOW_TOPLEVEL;
attr.wclass = GDK_INPUT_OUTPUT;
attr.x = gdk_screen_width() >> 1; attr.x -= width >> 1;
attr.y = gdk_screen_height() >> 1; attr.y -= height >> 1;
attr.width = width;
attr.height = height;
attr.event_mask = 0;
mDialog = gdk_window_new( NULL, &attr, GDK_WA_X | GDK_WA_Y );
gdk_window_set_override_redirect(mDialog, PR_TRUE);
gdk_window_show( mDialog );
gdk_flush();
/* create a pixmap based on xpm data */
pmap = gdk_pixmap_colormap_create_from_xpm(mDialog,
gdk_colormap_get_system(),
&mask,
&transparentColor,
"splash.xpm" );
if ( !pmap ) {
gdk_window_destroy(mDialog);
mDialog = nsnull;
return NS_ERROR_FAILURE;
}
GdkGC *gc;
gc = gdk_gc_new( mDialog );
gdk_window_copy_area( mDialog, gc, 0, 0, pmap, 0, 0, width, height );
gdk_flush();
gdk_gc_destroy(gc);
return NS_OK;
}
NS_IMETHODIMP nsSplashScreenGtk::Hide()
{
if (mDialog) {
gdk_window_destroy(mDialog);
mDialog = nsnull;
}
return NS_OK;
}
nsresult NS_CreateSplashScreen(nsISplashScreen**aResult)
{
if ( aResult ) {
*aResult = new nsSplashScreenGtk;
if ( *aResult ) {
NS_ADDREF( *aResult );
return NS_OK;
} else {
return NS_ERROR_OUT_OF_MEMORY;
}
} else {
return NS_ERROR_NULL_POINTER;
}
}
PRBool NS_CanRun()
{
return PR_TRUE;
}