static void
fb_bg_changed(FbBg *bg)
{
ENTER;
bg->pixmap = fb_bg_get_xrootpmap(bg);
if (bg->pixmap != None) {
XGCValues gcv;
gcv.tile = bg->pixmap;
XChangeGC(bg->dpy, bg->gc, GCTile, &gcv);
DBG("changed\n");
}
RET();
}
static void
fb_bg_init (FbBg *bg)
{
XGCValues gcv;
uint mask;
ENTER;
bg->dpy = GDK_DISPLAY();
bg->xroot = DefaultRootWindow(bg->dpy);
bg->id = XInternAtom(bg->dpy, "_XROOTPMAP_ID", False);
bg->pixmap = fb_bg_get_xrootpmap(bg);
gcv.ts_x_origin = 0;
gcv.ts_y_origin = 0;
gcv.fill_style = FillTiled;
mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle;
if (bg->pixmap != None) {
gcv.tile = bg->pixmap;
mask |= GCTile ;
}
bg->gc = XCreateGC (bg->dpy, bg->xroot, mask, &gcv) ;
RET();
}
static void
desk_draw_bg(pager_priv *pg, desk *d1)
{
Pixmap xpix;
GdkPixmap *gpix;
GdkPixbuf *p1, *p2;
gint width, height, depth;
FbBg *bg = pg->fbbg;
GtkWidget *widget = d1->da;
ENTER;
if (d1->no) {
desk *d0 = d1->pg->desks[0];
if (d0->gpix && d0->xpix != None
&& d0->da->allocation.width == widget->allocation.width
&& d0->da->allocation.height == widget->allocation.height) {
gdk_draw_drawable(d1->gpix,
widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
d0->gpix,0, 0, 0, 0,
widget->allocation.width,
widget->allocation.height);
d1->xpix = d0->xpix;
DBG("copy gpix from d0 to d%d\n", d1->no);
RET();
}
}
xpix = fb_bg_get_xrootpmap(bg);
d1->xpix = None;
width = widget->allocation.width;
height = widget->allocation.height;
DBG("w %d h %d\n", width, height);
if (width < 3 || height < 3)
RET();
// create new pix
xpix = fb_bg_get_xrootpmap(bg);
if (xpix == None)
RET();
depth = gdk_drawable_get_depth(widget->window);
gpix = fb_bg_get_xroot_pix_for_area(bg, 0, 0, gdk_screen_width(), gdk_screen_height(), depth);
if (!gpix) {
ERR("fb_bg_get_xroot_pix_for_area failed\n");
RET();
}
p1 = gdk_pixbuf_get_from_drawable(NULL, gpix, NULL, 0, 0, 0, 0,
gdk_screen_width(), gdk_screen_height());
if (!p1) {
ERR("gdk_pixbuf_get_from_drawable failed\n");
goto err_gpix;
}
p2 = gdk_pixbuf_scale_simple(p1, width, height,
//GDK_INTERP_NEAREST
//GDK_INTERP_TILES
//GDK_INTERP_BILINEAR
GDK_INTERP_HYPER
);
if (!p2) {
ERR("gdk_pixbuf_scale_simple failed\n");
goto err_p1;
}
gdk_draw_pixbuf(d1->gpix, widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
p2, 0, 0, 0, 0, width, height, GDK_RGB_DITHER_NONE, 0, 0);
d1->xpix = xpix;
g_object_unref(p2);
err_p1:
g_object_unref(p1);
err_gpix:
g_object_unref(gpix);
RET();
}
