/* create a pixmap suitable for plonking on the background of a part of a
* window */
Pixmap CreateOffsetBackgroundPixmap(
Display *dpy, Window win, int x, int y, int width, int height,
colorset_t *colorset, unsigned int depth, GC gc, Bool is_shape_mask)
{
Pixmap pixmap = None;
Pixmap cs_pixmap = None;
XGCValues xgcv;
static GC shape_gc = None;
GC fill_gc = None; /* not static as dpy may change (FvwmBacker) */
int cs_width;
int cs_height;
Bool cs_keep_aspect;
Bool cs_stretch_x;
Bool cs_stretch_y;
if (colorset->pixmap == ParentRelative && !is_shape_mask &&
colorset->tint_percent > 0)
{
FvwmRenderAttributes fra;
fra.mask = FRAM_DEST_IS_A_WINDOW | FRAM_HAVE_TINT;
fra.tint = colorset->tint;
fra.tint_percent = colorset->tint_percent;
MyXGrabServer(dpy);
pixmap = PGraphicsCreateTransparency(
dpy, win, &fra, gc, x, y, width, height, True);
MyXUngrabServer(dpy);
if (pixmap == None)
{
return ParentRelative;
}
return pixmap;
}
else if (colorset->pixmap == ParentRelative && !is_shape_mask)
{
return ParentRelative;
}
else if (CSETS_IS_TRANSPARENT_ROOT(colorset) && colorset->pixmap
&& !is_shape_mask)
{
int sx,sy;
int h,w;
XID dummy;
cs_pixmap = colorset->pixmap;
cs_width = colorset->width;
cs_height = colorset->height;
if (CSETS_IS_TRANSPARENT_ROOT_PURE(colorset))
{
/* check if it is still here */
union {
XID junk;
unsigned int ui_junk;
int i_junk;
} XID_int;
/* a priori we should grab the server, but this
* cause PositiveWrite error when you move a
* window with a transparent title bar */
if (!XGetGeometry(
dpy, colorset->pixmap, &XID_int.junk,
&XID_int.i_junk, &XID_int.i_junk,
(unsigned int *)&w, (unsigned int *)&h,
&XID_int.ui_junk,
&XID_int.ui_junk) ||
w != cs_width || h != cs_height)
{
return None;
}
}
XTranslateCoordinates(
dpy, win, DefaultRootWindow(dpy), x, y, &sx, &sy,
&dummy);
pixmap = XCreatePixmap(dpy, win, width, height, Pdepth);
if (!pixmap)
{
return None;
}
/* make sx and sy positif */
while (sx < 0)
{
sx = sx + cs_width;
}
while (sy < 0)
{
sy = sy + cs_height;
}
/* make sx and sy in (0,0,cs_width,cs_height) */
while (sx >= cs_width)
{
sx = sx - cs_width;
}
while (sy >= cs_height)
{
sy = sy - cs_height;
}
xgcv.fill_style = FillTiled;
xgcv.tile = cs_pixmap;
xgcv.ts_x_origin = cs_width-sx;
xgcv.ts_y_origin = cs_height-sy;
fill_gc = fvwmlib_XCreateGC(
dpy, win, GCTile | GCTileStipXOrigin |
GCTileStipYOrigin | GCFillStyle, &xgcv);
if (fill_gc == None)
{
XFreePixmap(dpy, pixmap);
return None;
}
XSync(dpy, False);
is_bad_gc = 0;
ferror_set_temp_error_handler(BadGCErrorHandler);
XFillRectangle(dpy, pixmap, fill_gc, 0, 0, width, height);
if (
is_bad_gc == 0 &&
CSETS_IS_TRANSPARENT_ROOT_PURE(colorset) &&
colorset->tint_percent > 0)
{
FvwmRenderAttributes fra;
fra.mask = FRAM_HAVE_TINT;
fra.tint = colorset->tint;
fra.tint_percent = colorset->tint_percent;
PGraphicsRenderPixmaps(
dpy, win, pixmap, None, None,
Pdepth, &fra, pixmap,
fill_gc, None, None,
0, 0, width, height,
0, 0, width, height, False);
}
XSync(dpy, False);
ferror_reset_temp_error_handler();
if (is_bad_gc == 1)
{
is_bad_gc = 0;
XFreePixmap(dpy, pixmap);
pixmap = None;
}
XFreeGC(dpy,fill_gc);
return pixmap;
}
if (!is_shape_mask)
{
cs_pixmap = colorset->pixmap;
cs_width = colorset->width;
cs_height = colorset->height;
cs_keep_aspect =
(colorset->pixmap_type == PIXMAP_STRETCH_ASPECT);
cs_stretch_x = (colorset->pixmap_type == PIXMAP_STRETCH_X)
|| (colorset->pixmap_type == PIXMAP_STRETCH);
cs_stretch_y = (colorset->pixmap_type == PIXMAP_STRETCH_Y)
|| (colorset->pixmap_type == PIXMAP_STRETCH);
}
else
{
/* In spite of the name, win contains the pixmap */
cs_pixmap = colorset->shape_mask;
win = colorset->shape_mask;
if (shape_gc == None)
{
xgcv.foreground = 1;
xgcv.background = 0;
/* create a gc for 1 bit depth */
shape_gc = fvwmlib_XCreateGC(
dpy, win, GCForeground|GCBackground, &xgcv);
}
gc = shape_gc;
cs_width = colorset->shape_width;
cs_height = colorset->shape_height;
cs_keep_aspect = (colorset->shape_type == SHAPE_STRETCH_ASPECT);
cs_stretch_x = !(colorset->shape_type == SHAPE_TILED);
cs_stretch_y = !(colorset->shape_type == SHAPE_TILED);
}
if (cs_pixmap == None)
{
xgcv.foreground = colorset->bg;
fill_gc = fvwmlib_XCreateGC(dpy, win, GCForeground, &xgcv);
/* create a solid pixmap - not very useful most of the time */
pixmap = XCreatePixmap(dpy, win, 1, 1, depth);
XFillRectangle(dpy, pixmap, fill_gc, 0, 0, 1, 1);
XFreeGC(dpy,fill_gc);
}
else if (cs_keep_aspect)
{
Bool trim_side;
int big_width, big_height;
Pixmap big_pixmap;
int x, y;
/* make a pixmap big enough to cover the destination but with
* the aspect ratio of the cs_pixmap */
trim_side = get_aspect_dimensions(
&big_width, &big_height, width, height, cs_width,
cs_height);
big_pixmap = CreateStretchPixmap(
dpy, cs_pixmap, cs_width, cs_height, depth, big_width,
big_height, gc);
/* work out where to trim */
x = trim_side ? (big_width - width) / 2 : 0;
y = trim_side ? 0 : (big_height - height) / 2;
pixmap = XCreatePixmap(dpy, cs_pixmap, width, height, depth);
if (pixmap && big_pixmap)
{
XCopyArea(
dpy, big_pixmap, pixmap, gc, x, y, width,
height, 0, 0);
}
if (big_pixmap)
{
XFreePixmap(dpy, big_pixmap);
}
}
else if (!cs_stretch_x && !cs_stretch_y)
{
/* it's a tiled pixmap, create an unstretched one */
if (!is_shape_mask)
{
pixmap = XCreatePixmap(
dpy, cs_pixmap, cs_width, cs_height, depth);
if (pixmap)
{
XCopyArea(
dpy, cs_pixmap, pixmap, gc, 0, 0,
cs_width, cs_height, 0, 0);
}
}
else
{
/* can't tile masks, create a tiled version of the
* mask */
pixmap = CreateTiledPixmap(
dpy, cs_pixmap, cs_width, cs_height, width,
height, 1, gc);
}
}
else if (!cs_stretch_x)
{
/* it's an HGradient */
pixmap = CreateStretchYPixmap(
dpy, cs_pixmap, cs_width, cs_height, depth, height, gc);
}
else if (!cs_stretch_y)
{
/* it's a VGradient */
pixmap = CreateStretchXPixmap(
dpy, cs_pixmap, cs_width, cs_height, depth, width, gc);
}
else
{
/* It's a full window pixmap */
pixmap = CreateStretchPixmap(
dpy, cs_pixmap, cs_width, cs_height, depth, width,
height, gc);
}
if (x != 0 || y != 0)
{
Pixmap p2;
p2 = ScrollPixmap(
dpy, pixmap, gc, x, y, width, height,
depth);
if (p2 != None && p2 != ParentRelative && p2 != pixmap)
{
XFreePixmap(dpy, pixmap);
pixmap = p2;
}
}
return pixmap;
}
/* sets a window background from a colorset
* if width or height are zero the window size is queried
*/
void SetWindowBackgroundWithOffset(
Display *dpy, Window win, int x_off, int y_off, int width, int height,
colorset_struct *colorset, unsigned int depth, GC gc, Bool clear_area)
{
Pixmap pixmap = None;
Pixmap mask = None;
XID junk;
if (0 == width || 0 == height)
{
if (!XGetGeometry(
dpy, win, &junk, (int *)&junk, (int *)&junk,
(unsigned int *)&width, (unsigned int *)&height,
(unsigned int *)&junk, (unsigned int *)&junk))
{
return;
}
}
if (FHaveShapeExtension && colorset->shape_mask)
{
mask = CreateBackgroundPixmap(
dpy, 0, width, height, colorset, 1, None, True);
if (mask != None)
{
FShapeCombineMask(
dpy, win, FShapeBounding, 0, 0, mask,
FShapeSet);
XFreePixmap(dpy, mask);
}
}
if (!colorset->pixmap)
{
/* use the bg pixel */
XSetWindowBackground(dpy, win, colorset->bg);
if (clear_area)
{
XClearArea(dpy, win, 0, 0, width, height, True);
}
}
else
{
if (colorset->pixmap == ParentRelative)
{
pixmap = ParentRelative;
}
else
{
pixmap = CreateBackgroundPixmap(
dpy, win, width, height, colorset, depth, gc,
False);
}
if (x_off != 0 || y_off != 0)
{
Pixmap p2;
p2 = ScrollPixmap(
dpy, pixmap, gc, x_off, y_off, width, height,
depth);
if (p2 != None && p2 != ParentRelative && p2 != pixmap)
{
XFreePixmap(dpy, pixmap);
pixmap = p2;
}
}
if (pixmap)
{
XSetWindowBackgroundPixmap(dpy, win, pixmap);
if (clear_area)
{
XClearArea(dpy, win, 0, 0, width, height, True);
}
if (colorset->pixmap != ParentRelative)
{
XFreePixmap(dpy, pixmap);
}
}
}
return;
}
