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-rw-r--r--xcman.c105
1 files changed, 40 insertions, 65 deletions
diff --git a/xcman.c b/xcman.c
index bb171dc..d70fa7d 100644
--- a/xcman.c
+++ b/xcman.c
@@ -49,11 +49,13 @@ static size_t n_ignores = 0, size_ignores = 0;
static Display *dpy;
static int screen;
static Window root;
+static XRenderPictFormat *visual_format;
static int root_height, root_width;
static int damage_error, xfixes_error, render_error;
static int damage_event, xshape_event;
static int composite_opcode;
-static Atom opacity_atom;
+static Atom opacity_atom, background_atom1, background_atom2, pixmap_atom;
+static Atom *background_atoms[] = {&background_atom1, &background_atom2};
static XRenderColor alpha_colour = {.red = 0, .green = 0, .blue = 0};
static struct window *window_list;
@@ -63,8 +65,6 @@ static Picture root_tile;
static XserverRegion all_damage;
static int clip_changed;
-static const char *background_properties[] = {"_XROOTPMAP_ID", "_XSETROOT_ID", NULL};
-
static void
usage(const char *program)
{
@@ -132,22 +132,18 @@ find_window(Window id)
static Picture
make_root_tile(void)
{
- Picture picture;
+ Picture picture, pixmap;
Atom actual_type;
- Pixmap pixmap;
- int actual_format;
- unsigned long int nitems;
- unsigned long int bytes_after;
+ int i, actual_format, fill;
+ unsigned long int nitems, bytes_after;
unsigned char *prop;
- int fill;
XRenderPictureAttributes pa;
- int i;
pixmap = None;
- for (i = 0; background_properties[i]; i++) {
- if (!XGetWindowProperty(dpy, root, XInternAtom(dpy, background_properties[i], 0), 0, 4, 0, AnyPropertyType,
+ for (i = 0; i < 2; i++) {
+ if (!XGetWindowProperty(dpy, root, *(background_atoms[i]), 0, 4, 0, AnyPropertyType,
&actual_type, &actual_format, &nitems, &bytes_after, &prop) &&
- actual_type == XInternAtom(dpy, "PIXMAP", 0) && actual_format == 32 && nitems == 1) {
+ actual_type == pixmap_atom && actual_format == 32 && nitems == 1) {
memcpy(&pixmap, prop, 4);
XFree(prop);
fill = 0;
@@ -159,7 +155,7 @@ make_root_tile(void)
fill = 1;
}
pa.repeat = 1;
- picture = XRenderCreatePicture(dpy, pixmap, XRenderFindVisualFormat(dpy, DefaultVisual(dpy, screen)), CPRepeat, &pa);
+ picture = XRenderCreatePicture(dpy, pixmap, visual_format, CPRepeat, &pa);
if (fill) {
alpha_colour.alpha = 0xFFFF;
XRenderFillRectangle(dpy, PictOpSrc, picture, &alpha_colour, 0, 0, 1, 1);
@@ -207,7 +203,7 @@ paint_all(XserverRegion region)
}
if (!root_buffer) {
rootPixmap = XCreatePixmap(dpy, root, root_width, root_height, DefaultDepth(dpy, screen));
- root_buffer = XRenderCreatePicture(dpy, rootPixmap, XRenderFindVisualFormat(dpy, DefaultVisual(dpy, screen)), 0, NULL);
+ root_buffer = XRenderCreatePicture(dpy, rootPixmap, visual_format, 0, NULL);
XFreePixmap(dpy, rootPixmap);
}
XFixesSetPictureClipRegion(dpy, root_picture, 0, 0, region);
@@ -312,7 +308,7 @@ get_opacity_prop(struct window *w, unsigned int def)
int err = XGetWindowProperty(dpy, w->id, opacity_atom, 0L, 1L, 0, XA_CARDINAL, &actual, &format, &n, &left, &data);
if (!err && data) {
i = *(uint32_t *)data;
- XFree((void *)data);
+ XFree(data);
return i;
}
return def;
@@ -323,18 +319,14 @@ determine_mode(struct window *w)
{
XRenderPictFormat *format;
XserverRegion damage;
-
if (w->alpha_picture) {
XRenderFreePicture(dpy, w->alpha_picture);
w->alpha_picture = None;
}
-
w->opacity = get_opacity_prop(w, OPAQUE);
-
w->solid = (w->opacity == OPAQUE &&
((format = w->a.class == InputOnly ? NULL : XRenderFindVisualFormat(dpy, w->a.visual)),
(!format || format->type != PictTypeDirect || !format->direct.alphaMask)));
-
if (w->extents) {
damage = XFixesCreateRegion(dpy, NULL, 0);
XFixesCopyRegion(dpy, damage, w->extents);
@@ -348,15 +340,9 @@ map_window(Window id)
struct window *w = find_window(id);
if (!w)
return;
-
w->a.map_state = IsViewable;
-
- /* This needs to be here or else we lose transparency messages */
- XSelectInput(dpy, id, PropertyChangeMask);
-
- /* This needs to be here since we don't get PropertyNotify when unmapped */
- determine_mode(w);
-
+ XSelectInput(dpy, id, PropertyChangeMask); /* This needs to be here or else we lose transparency messages */
+ determine_mode(w); /* This needs to be here since we don't get PropertyNotify when unmapped */
w->damaged = 0;
}
@@ -364,16 +350,14 @@ static void
finish_unmap_window(struct window *w)
{
w->damaged = 0;
- if (w->extents != None) {
+ if (w->extents) {
add_damage(w->extents); /* destroys region */
w->extents = None;
}
-
if (w->pixmap) {
XFreePixmap(dpy, w->pixmap);
w->pixmap = None;
}
-
if (w->picture) {
set_ignore(NextRequest(dpy));
XRenderFreePicture(dpy, w->picture);
@@ -432,10 +416,8 @@ add_window(Window id)
static void
restack_window(struct window *w, Window new_above)
{
- Window old_above;
struct window **prev;
-
- old_above = w->next ? w->next->id : None;
+ Window old_above = w->next ? w->next->id : None;
if (old_above != new_above) {
/* unhook */
@@ -509,13 +491,11 @@ configure_window(XConfigureEvent *ce)
static void
circulate_window(XCirculateEvent *ce)
{
- Window new_above;
struct window *w = find_window(ce->window);
- if (!w)
- return;
- new_above = ce->place == PlaceOnTop ? window_list->id : None;
- restack_window(w, new_above);
- clip_changed = 1;
+ if (w) {
+ restack_window(w, ce->place == PlaceOnTop ? window_list->id : None);
+ clip_changed = 1;
+ }
}
static void
@@ -573,10 +553,8 @@ shape_window(XShapeEvent *se)
{
XserverRegion region0, region1;
struct window *w = find_window(se->window);
-
if (!w)
return;
-
if (se->kind == ShapeClip || se->kind == ShapeBounding) {
clip_changed = 1;
@@ -625,16 +603,13 @@ error(Display *display, XErrorEvent *ev)
case BadGlyphSet: name = "BadGlyphSet"; break;
case BadGlyph: name = "BadGlyph"; break;
default:
+ buffer[0] = '\0';
+ XGetErrorText(display, ev->error_code, buffer, sizeof(buffer));
+ name = buffer;
break;
}
}
- if (!name) {
- buffer[0] = '\0';
- XGetErrorText(display, ev->error_code, buffer, sizeof(buffer));
- name = buffer;
- }
-
fprintf(stderr, "error %i: %s request %i minor %i serial %lu\n",
ev->error_code, (strlen(name) > 0) ? name : "unknown",
ev->request_code, ev->minor_code, ev->serial);
@@ -654,8 +629,8 @@ register_composite_manager(void)
sprintf(net_wm_cm, "_NET_WM_CM_S%i", screen);
a = XInternAtom(dpy, net_wm_cm, 0);
-
w = XGetSelectionOwner(dpy, a);
+
if (w != None) {
winNameAtom = XInternAtom(dpy, "_NET_WM_NAME", 0);
if (!XGetTextProperty(dpy, w, &tp, winNameAtom) &&
@@ -670,7 +645,7 @@ register_composite_manager(void)
exit(1);
}
- w = XCreateSimpleWindow(dpy, RootWindow(dpy, screen), 0, 0, 1, 1, 0, None, None);
+ w = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, None, None);
Xutf8SetWMProperties(dpy, w, "xcman", "xcman", NULL, 0, NULL, NULL, NULL);
XSetSelectionOwner(dpy, a, w, 0);
}
@@ -712,13 +687,17 @@ main(int argc, char **argv)
eprintf("no XShape extension\n");
register_composite_manager();
- opacity_atom = XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", 0);
+ opacity_atom = XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", 0);
+ background_atom1 = XInternAtom(dpy, "_XROOTPMAP_ID", 0);
+ background_atom2 = XInternAtom(dpy, "_XSETROOT_ID", 0);
+ pixmap_atom = XInternAtom(dpy, "PIXMAP", 0);
pa.subwindow_mode = IncludeInferiors;
- root_width = DisplayWidth(dpy, screen);
- root_height = DisplayHeight(dpy, screen);
- root_picture = XRenderCreatePicture(dpy, root, XRenderFindVisualFormat(dpy, DefaultVisual(dpy, screen)), CPSubwindowMode, &pa);
- all_damage = None;
- clip_changed = 1;
+ root_width = DisplayWidth(dpy, screen);
+ root_height = DisplayHeight(dpy, screen);
+ visual_format = XRenderFindVisualFormat(dpy, DefaultVisual(dpy, screen));
+ root_picture = XRenderCreatePicture(dpy, root, visual_format, CPSubwindowMode, &pa);
+ all_damage = None;
+ clip_changed = 1;
XGrabServer(dpy);
XCompositeRedirectSubwindows(dpy, root, CompositeRedirectManual);
XSelectInput(dpy, root, SubstructureNotifyMask | ExposureMask | StructureNotifyMask | PropertyChangeMask);
@@ -764,15 +743,11 @@ main(int argc, char **argv)
if (ev.xproperty.atom == opacity_atom) {
if ((w = find_window(ev.xproperty.window)))
determine_mode(w);
- } else if (root_tile) {
- for (i = 0; background_properties[i]; i++) {
- if (ev.xproperty.atom == XInternAtom(dpy, background_properties[i], 0)) {
- XClearArea(dpy, root, 0, 0, 0, 0, 1);
- XRenderFreePicture(dpy, root_tile);
- root_tile = None;
- break;
- }
- }
+ } else if (root_tile && (ev.xproperty.atom == background_atom1 ||
+ ev.xproperty.atom == background_atom2)) {
+ XClearArea(dpy, root, 0, 0, 0, 0, 1);
+ XRenderFreePicture(dpy, root_tile);
+ root_tile = None;
}
break;
default:
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-13 03:13:26 +0000