[Emacs-diffs] Changes to emacs/src/gtkutil.c

[Jan Djärv]

Index: emacs/src/gtkutil.c
diff -c emacs/src/gtkutil.c:1.38 emacs/src/gtkutil.c:1.39
*** emacs/src/gtkutil.c:1.38    Mon May  3 15:27:47 2004
--- emacs/src/gtkutil.c Mon Jun 14 21:53:24 2004
***************
*** 229,251 ****
    return gdk_cursor_new_for_display (gdpy, GDK_LEFT_PTR);
  }
  
! /* For the image defined in IMG, make and return a GdkPixmap for
!    the pixmap in *GPIX, and a GdkBitmap for the mask in *GMASK.
!    If IMG has no mask, *GMASK is set to NULL.
!    The image is defined on the display where frame F is.  */
! static void
! xg_get_gdk_pixmap_and_mask (f, img, gpix, gmask)
       FRAME_PTR f;
       struct image *img;
!      GdkPixmap **gpix;
!      GdkBitmap **gmask;
  {
    GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f));
  
!   *gpix = gdk_pixmap_foreign_new_for_display (gdpy, img->pixmap);
!   *gmask = img->mask ?
!     (GdkBitmap*) gdk_pixmap_foreign_new_for_display (gdpy, img->mask)
!     : 0;
  }
  
  
--- 229,328 ----
    return gdk_cursor_new_for_display (gdpy, GDK_LEFT_PTR);
  }
  
! /* For the image defined in IMG, make and return a GtkImage.  For displays 
with
!    8 planes or less we must make a GdkPixbuf and apply the mask manually.
!    Otherwise the highlightning and dimming the tool bar code in GTK does
!    will look bad.  For display with more than 8 planes we just use the
!    pixmap and mask directly.  For monochrome displays, GTK doesn't seem
!    able to use external pixmaps, it looks bad whatever we do.
!    The image is defined on the display where frame F is.
!    WIDGET is used to find the GdkColormap to use for the GdkPixbuf.
!    If OLD_WIDGET is NULL, a new widget is constructed and returned.
!    If OLD_WIDGET is not NULL, that widget is modified.  */
! static GtkWidget *
! xg_get_image_for_pixmap (f, img, widget, old_widget)
       FRAME_PTR f;
       struct image *img;
!      GtkWidget *widget;
!      GtkImage *old_widget;
  {
+   GdkPixmap *gpix;
+   GdkPixmap *gmask;
    GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f));
  
!   gpix = gdk_pixmap_foreign_new_for_display (gdpy, img->pixmap);
!   gmask = img->mask ? gdk_pixmap_foreign_new_for_display (gdpy, img->mask) : 
0;
! 
!   if (x_screen_planes (f) > 8 || x_screen_planes (f) == 1)
!     {
!       if (! old_widget)
!         old_widget = GTK_IMAGE (gtk_image_new_from_pixmap (gpix, gmask));
!       else
!         gtk_image_set_from_pixmap (old_widget, gpix, gmask);
!     }
!   else
!     {
!       int x, y, width, height, rowstride, mask_rowstride;
!       GdkPixbuf *icon_buf, *tmp_buf;
!       guchar *pixels;
!       guchar *mask_pixels;
! 
!       gdk_drawable_get_size (gpix, &width, &height);
!       tmp_buf = gdk_pixbuf_get_from_drawable (NULL,
!                                               gpix,
!                                             gtk_widget_get_colormap (widget),
!                                               0, 0, 0, 0, width, height);
!       icon_buf = gdk_pixbuf_add_alpha (tmp_buf, FALSE, 0, 0, 0);
!       g_object_unref (G_OBJECT (tmp_buf));
! 
!       if (gmask)
!         {
!           GdkPixbuf *mask_buf = gdk_pixbuf_get_from_drawable (NULL,
!                                                               gmask,
!                                                               NULL,
!                                                               0, 0, 0, 0,
!                                                               width, height);
!           guchar *pixels = gdk_pixbuf_get_pixels (icon_buf);
!           guchar *mask_pixels = gdk_pixbuf_get_pixels (mask_buf);
!           int rowstride = gdk_pixbuf_get_rowstride (icon_buf);
!           int mask_rowstride = gdk_pixbuf_get_rowstride (mask_buf);
!           int y;
! 
!           for (y = 0; y < height; ++y)
!             {
!               guchar *iconptr, *maskptr;
!               int x;
! 
!               iconptr = pixels + y * rowstride;
!               maskptr = mask_pixels + y * mask_rowstride;
! 
!               for (x = 0; x < width; ++x)
!                 {
!                   /* In a bitmap, RGB is either 255/255/255 or 0/0/0.  
Checking
!                      just R is sufficient.  */
!                   if (maskptr[0] == 0)
!                     iconptr[3] = 0; /* 0, 1, 2 is R, G, B.  3 is alpha.  */
! 
!                   iconptr += rowstride/width;
!                   maskptr += mask_rowstride/width;
!                 }
!             }
! 
!           g_object_unref (G_OBJECT (gmask));
!           g_object_unref (G_OBJECT (mask_buf));
!         }
! 
!       g_object_unref (G_OBJECT (gpix));
! 
!       if (! old_widget)
!         old_widget = GTK_IMAGE (gtk_image_new_from_pixbuf (icon_buf));
!       else
!         gtk_image_set_from_pixbuf (old_widget, icon_buf);
! 
!       g_object_unref (G_OBJECT (icon_buf));
!     }
! 
!   return GTK_WIDGET (old_widget);
  }
  
  
***************
*** 3205,3216 ****
  
        if (! wicon)
          {
!           GdkPixmap *gpix;
!           GdkBitmap *gmask;
!           GtkWidget *w;
  
-           xg_get_gdk_pixmap_and_mask (f, img, &gpix, &gmask);
-           w = gtk_image_new_from_pixmap (gpix, gmask);
            gtk_toolbar_append_item (GTK_TOOLBAR (x->toolbar_widget),
                                     0, 0, 0,
                                     w,
--- 3282,3289 ----
  
        if (! wicon)
          {
!           GtkWidget *w = xg_get_image_for_pixmap (f, img, x->widget, NULL);
  
            gtk_toolbar_append_item (GTK_TOOLBAR (x->toolbar_widget),
                                     0, 0, 0,
                                     w,
***************
*** 3267,3279 ****
            g_list_free (chlist);
  
            if (old_img != img->pixmap)
!             {
!               GdkPixmap *gpix;
!               GdkBitmap *gmask;
! 
!               xg_get_gdk_pixmap_and_mask (f, img, &gpix, &gmask);
!               gtk_image_set_from_pixmap (wimage, gpix, gmask);
!             }
  
            g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_IMAGE_DATA,
                               (gpointer)img->pixmap);
--- 3340,3346 ----
            g_list_free (chlist);
  
            if (old_img != img->pixmap)
!             (void) xg_get_image_for_pixmap (f, img, x->widget, wimage);
  
            g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_IMAGE_DATA,
                               (gpointer)img->pixmap);