- case ConfigureRequest:
- /* compress these */
- while (XCheckTypedWindowEvent(ob_display, client->window,
- ConfigureRequest, &ce)) {
- ++i;
- /* XXX if this causes bad things.. we can compress config req's
- with the same mask. */
- e->xconfigurerequest.value_mask |=
- ce.xconfigurerequest.value_mask;
- if (ce.xconfigurerequest.value_mask & CWX)
- e->xconfigurerequest.x = ce.xconfigurerequest.x;
- if (ce.xconfigurerequest.value_mask & CWY)
- e->xconfigurerequest.y = ce.xconfigurerequest.y;
- if (ce.xconfigurerequest.value_mask & CWWidth)
- e->xconfigurerequest.width = ce.xconfigurerequest.width;
- if (ce.xconfigurerequest.value_mask & CWHeight)
- e->xconfigurerequest.height = ce.xconfigurerequest.height;
- if (ce.xconfigurerequest.value_mask & CWBorderWidth)
- e->xconfigurerequest.border_width =
- ce.xconfigurerequest.border_width;
- if (ce.xconfigurerequest.value_mask & CWStackMode)
- e->xconfigurerequest.detail = ce.xconfigurerequest.detail;
- }
- if (i) g_message("Compressed %d Configures", i);
-
- /* if we are iconic (or shaded (fvwm does this)) ignore the event */
- if (client->iconic || client->shaded) return;
-
- if (e->xconfigurerequest.value_mask & CWBorderWidth)
- client->border_width = e->xconfigurerequest.border_width;
-
- /* resize, then move, as specified in the EWMH section 7.7 */
- if (e->xconfigurerequest.value_mask & (CWWidth | CWHeight |
- CWX | CWY)) {
- int x, y, w, h;
- Corner corner;
-
- x = (e->xconfigurerequest.value_mask & CWX) ?
- e->xconfigurerequest.x : client->area.x;
- y = (e->xconfigurerequest.value_mask & CWY) ?
- e->xconfigurerequest.y : client->area.y;
- w = (e->xconfigurerequest.value_mask & CWWidth) ?
- e->xconfigurerequest.width : client->area.width;
- h = (e->xconfigurerequest.value_mask & CWHeight) ?
- e->xconfigurerequest.height : client->area.height;
-
- switch (client->gravity) {
- case NorthEastGravity:
- case EastGravity:
- corner = Corner_TopRight;
- break;
- case SouthWestGravity:
- case SouthGravity:
- corner = Corner_BottomLeft;
- break;
- case SouthEastGravity:
- corner = Corner_BottomRight;
- break;
- default: /* NorthWest, Static, etc */
- corner = Corner_TopLeft;
- }
-
- client_configure(client, corner, x, y, w, h, FALSE, FALSE);
- }
-
- if (e->xconfigurerequest.value_mask & CWStackMode) {
- switch (e->xconfigurerequest.detail) {
- case Below:
- case BottomIf:
- stacking_lower(client);
- break;
-
- case Above:
- case TopIf:
- default:
- stacking_raise(client);
- break;
- }
- }
- break;
- case UnmapNotify:
- if (client->ignore_unmaps) {
- client->ignore_unmaps--;
- break;
- }
- client_unmanage(client);
- break;
- case DestroyNotify:
- client_unmanage(client);
- break;
- case ReparentNotify:
- /* this is when the client is first taken captive in the frame */
- if (e->xreparent.parent == client->frame->plate) break;
-
- /*
- This event is quite rare and is usually handled in unmapHandler.
- However, if the window is unmapped when the reparent event occurs,
- the window manager never sees it because an unmap event is not sent
- to an already unmapped window.
- */
-
- /* we don't want the reparent event, put it back on the stack for the
- X server to deal with after we unmanage the window */
- XPutBackEvent(ob_display, e);
-
- client_unmanage(client);
- break;
- case MapRequest:
- if (!client->iconic) break; /* this normally doesn't happen, but if it
- does, we don't want it! */
- if (screen_showing_desktop)
- screen_show_desktop(FALSE);
- client_iconify(client, FALSE, TRUE);
- if (!client->frame->visible)
- /* if its not visible still, then don't mess with it */
- break;
- if (client->shaded)
- client_shade(client, FALSE);
- client_focus(client);
- stacking_raise(client);
- break;
- case ClientMessage:
- /* validate cuz we query stuff off the client here */
- if (!client_validate(client)) break;
-
- if (e->xclient.format != 32) return;
-
- msgtype = e->xclient.message_type;
- if (msgtype == prop_atoms.wm_change_state) {
- /* compress changes into a single change */
- while (XCheckTypedWindowEvent(ob_display, e->type,
- client->window, &ce)) {
- /* XXX: it would be nice to compress ALL messages of a
- type, not just messages in a row without other
- message types between. */
- if (ce.xclient.message_type != msgtype) {
- XPutBackEvent(ob_display, &ce);
- break;
- }
- e->xclient = ce.xclient;
- }
- client_set_wm_state(client, e->xclient.data.l[0]);
- } else if (msgtype == prop_atoms.net_wm_desktop) {
- /* compress changes into a single change */
- while (XCheckTypedWindowEvent(ob_display, e->type,
- client->window, &ce)) {
- /* XXX: it would be nice to compress ALL messages of a
- type, not just messages in a row without other
- message types between. */
- if (ce.xclient.message_type != msgtype) {
- XPutBackEvent(ob_display, &ce);
- break;
- }
- e->xclient = ce.xclient;
- }
- if ((unsigned)e->xclient.data.l[0] < screen_num_desktops ||
- (unsigned)e->xclient.data.l[0] == DESKTOP_ALL)
- client_set_desktop(client, (unsigned)e->xclient.data.l[0],
- FALSE);
- } else if (msgtype == prop_atoms.net_wm_state) {
- /* can't compress these */
- g_message("net_wm_state %s %ld %ld for 0x%lx",
- (e->xclient.data.l[0] == 0 ? "Remove" :
- e->xclient.data.l[0] == 1 ? "Add" :
- e->xclient.data.l[0] == 2 ? "Toggle" : "INVALID"),
- e->xclient.data.l[1], e->xclient.data.l[2],
- client->window);
- client_set_state(client, e->xclient.data.l[0],
- e->xclient.data.l[1], e->xclient.data.l[2]);
- } else if (msgtype == prop_atoms.net_close_window) {
- g_message("net_close_window for 0x%lx", client->window);
- client_close(client);
- } else if (msgtype == prop_atoms.net_active_window) {
- g_message("net_active_window for 0x%lx", client->window);
- if (screen_showing_desktop)
- screen_show_desktop(FALSE);
- if (client->iconic)
- client_iconify(client, FALSE, TRUE);
- else if (!client->frame->visible)
- /* if its not visible for other reasons, then don't mess
- with it */
- break;
- if (client->shaded)
- client_shade(client, FALSE);
- client_focus(client);
- stacking_raise(client);
- }
- break;
- case PropertyNotify:
- /* validate cuz we query stuff off the client here */
- if (!client_validate(client)) break;
-
- /* compress changes to a single property into a single change */
- while (XCheckTypedWindowEvent(ob_display, e->type,
- client->window, &ce)) {
- /* XXX: it would be nice to compress ALL changes to a property,
- not just changes in a row without other props between. */
- if (ce.xproperty.atom != e->xproperty.atom) {
- XPutBackEvent(ob_display, &ce);
- break;
- }
- }
-
- msgtype = e->xproperty.atom;
- if (msgtype == XA_WM_NORMAL_HINTS) {
- client_update_normal_hints(client);
- /* normal hints can make a window non-resizable */
- client_setup_decor_and_functions(client);
- }
- else if (msgtype == XA_WM_HINTS)
- client_update_wmhints(client);
- else if (msgtype == XA_WM_TRANSIENT_FOR) {
- client_update_transient_for(client);
- client_get_type(client);
- /* type may have changed, so update the layer */
- client_calc_layer(client);
- client_setup_decor_and_functions(client);
- }
- else if (msgtype == prop_atoms.net_wm_name ||
- msgtype == prop_atoms.wm_name)
- client_update_title(client);
- else if (msgtype == prop_atoms.net_wm_icon_name ||
- msgtype == prop_atoms.wm_icon_name)
- client_update_icon_title(client);
- else if (msgtype == prop_atoms.wm_class)
- client_update_class(client);
- else if (msgtype == prop_atoms.wm_protocols) {
- client_update_protocols(client);
- client_setup_decor_and_functions(client);
- }
- else if (msgtype == prop_atoms.net_wm_strut)
- client_update_strut(client);
- else if (msgtype == prop_atoms.net_wm_icon)
- client_update_icons(client);
- else if (msgtype == prop_atoms.kwm_win_icon)
- client_update_kwm_icon(client);
- default:
- ;
-#ifdef SHAPE
- if (extensions_shape && e->type == extensions_shape_event_basep) {
- client->shaped = ((XShapeEvent*)e)->shaped;
- engine_frame_adjust_shape(client->frame);
- }
-#endif
- }
+ case MotionNotify:
+ /* when there is a grab on the pointer, we won't get enter/leave
+ notifies, but we still get motion events */
+ if (grab_on_pointer()) break;
+
+ con = frame_context(client, e->xmotion.window,
+ e->xmotion.x, e->xmotion.y);
+ switch (con) {
+ case OB_FRAME_CONTEXT_TITLEBAR:
+ case OB_FRAME_CONTEXT_TLCORNER:
+ case OB_FRAME_CONTEXT_TRCORNER:
+ /* we've left the button area inside the titlebar */
+ if (client->frame->max_hover || client->frame->desk_hover ||
+ client->frame->shade_hover || client->frame->iconify_hover ||
+ client->frame->close_hover)
+ {
+ client->frame->max_hover = FALSE;
+ client->frame->desk_hover = FALSE;
+ client->frame->shade_hover = FALSE;
+ client->frame->iconify_hover = FALSE;
+ client->frame->close_hover = FALSE;
+ frame_adjust_state(client->frame);
+ }
+ break;
+ case OB_FRAME_CONTEXT_MAXIMIZE:
+ if (!client->frame->max_hover) {
+ client->frame->max_hover = TRUE;
+ frame_adjust_state(client->frame);
+ }
+ break;
+ case OB_FRAME_CONTEXT_ALLDESKTOPS:
+ if (!client->frame->desk_hover) {
+ client->frame->desk_hover = TRUE;
+ frame_adjust_state(client->frame);
+ }
+ break;
+ case OB_FRAME_CONTEXT_SHADE:
+ if (!client->frame->shade_hover) {
+ client->frame->shade_hover = TRUE;
+ frame_adjust_state(client->frame);
+ }
+ break;
+ case OB_FRAME_CONTEXT_ICONIFY:
+ if (!client->frame->iconify_hover) {
+ client->frame->iconify_hover = TRUE;
+ frame_adjust_state(client->frame);
+ }
+ break;
+ case OB_FRAME_CONTEXT_CLOSE:
+ if (!client->frame->close_hover) {
+ client->frame->close_hover = TRUE;
+ frame_adjust_state(client->frame);
+ }
+ break;
+ default:
+ break;
+ }
+ break;
+ case LeaveNotify:
+ con = frame_context(client, e->xcrossing.window,
+ e->xcrossing.x, e->xcrossing.y);
+ switch (con) {
+ case OB_FRAME_CONTEXT_TITLEBAR:
+ case OB_FRAME_CONTEXT_TLCORNER:
+ case OB_FRAME_CONTEXT_TRCORNER:
+ /* we've left the button area inside the titlebar */
+ if (client->frame->max_hover || client->frame->desk_hover ||
+ client->frame->shade_hover || client->frame->iconify_hover ||
+ client->frame->close_hover)
+ {
+ client->frame->max_hover = FALSE;
+ client->frame->desk_hover = FALSE;
+ client->frame->shade_hover = FALSE;
+ client->frame->iconify_hover = FALSE;
+ client->frame->close_hover = FALSE;
+ frame_adjust_state(client->frame);
+ }
+ break;
+ case OB_FRAME_CONTEXT_MAXIMIZE:
+ client->frame->max_hover = FALSE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_ALLDESKTOPS:
+ client->frame->desk_hover = FALSE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_SHADE:
+ client->frame->shade_hover = FALSE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_ICONIFY:
+ client->frame->iconify_hover = FALSE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_CLOSE:
+ client->frame->close_hover = FALSE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_FRAME:
+ /* When the mouse leaves an animating window, don't use the
+ corresponding enter events. Pretend like the animating window
+ doesn't even exist..! */
+ if (frame_iconify_animating(client->frame))
+ event_end_ignore_all_enters(event_start_ignore_all_enters());
+
+ ob_debug_type(OB_DEBUG_FOCUS,
+ "%sNotify mode %d detail %d on %lx\n",
+ (e->type == EnterNotify ? "Enter" : "Leave"),
+ e->xcrossing.mode,
+ e->xcrossing.detail, (client?client->window:0));
+ if (grab_on_keyboard())
+ break;
+ if (config_focus_follow && config_focus_delay &&
+ /* leave inferior events can happen when the mouse goes onto
+ the window's border and then into the window before the
+ delay is up */
+ e->xcrossing.detail != NotifyInferior)
+ {
+ ob_main_loop_timeout_remove_data(ob_main_loop,
+ focus_delay_func,
+ client, FALSE);
+ }
+ break;
+ default:
+ break;
+ }
+ break;
+ case EnterNotify:
+ {
+ con = frame_context(client, e->xcrossing.window,
+ e->xcrossing.x, e->xcrossing.y);
+ switch (con) {
+ case OB_FRAME_CONTEXT_MAXIMIZE:
+ client->frame->max_hover = TRUE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_ALLDESKTOPS:
+ client->frame->desk_hover = TRUE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_SHADE:
+ client->frame->shade_hover = TRUE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_ICONIFY:
+ client->frame->iconify_hover = TRUE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_CLOSE:
+ client->frame->close_hover = TRUE;
+ frame_adjust_state(client->frame);
+ break;
+ case OB_FRAME_CONTEXT_FRAME:
+ if (grab_on_keyboard())
+ break;
+ if (e->xcrossing.mode == NotifyGrab ||
+ e->xcrossing.mode == NotifyUngrab ||
+ /*ignore enters when we're already in the window */
+ e->xcrossing.detail == NotifyInferior ||
+ is_enter_focus_event_ignored(e))
+ {
+ ob_debug_type(OB_DEBUG_FOCUS,
+ "%sNotify mode %d detail %d serial %lu on %lx "
+ "IGNORED\n",
+ (e->type == EnterNotify ? "Enter" : "Leave"),
+ e->xcrossing.mode,
+ e->xcrossing.detail,
+ e->xcrossing.serial,
+ client?client->window:0);
+ }
+ else {
+ ob_debug_type(OB_DEBUG_FOCUS,
+ "%sNotify mode %d detail %d serial %lu on %lx, "
+ "focusing window\n",
+ (e->type == EnterNotify ? "Enter" : "Leave"),
+ e->xcrossing.mode,
+ e->xcrossing.detail,
+ e->xcrossing.serial,
+ (client?client->window:0));
+ if (config_focus_follow)
+ event_enter_client(client);
+ }
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ case ConfigureRequest:
+ {
+ /* dont compress these unless you're going to watch for property
+ notifies in between (these can change what the configure would
+ do to the window).
+ also you can't compress stacking events
+ */
+
+ gint x, y, w, h;
+ gboolean move = FALSE;
+ gboolean resize = FALSE;
+
+ /* get the current area */
+ RECT_TO_DIMS(client->area, x, y, w, h);
+
+ ob_debug("ConfigureRequest for \"%s\" desktop %d wmstate %d "
+ "visibile %d\n"
+ " x %d y %d w %d h %d b %d\n",
+ client->title,
+ screen_desktop, client->wmstate, client->frame->visible,
+ x, y, w, h, client->border_width);
+
+ if (e->xconfigurerequest.value_mask & CWBorderWidth)
+ if (client->border_width != e->xconfigurerequest.border_width) {
+ client->border_width = e->xconfigurerequest.border_width;
+
+ /* if the border width is changing then that is the same
+ as requesting a resize, but we don't actually change
+ the client's border, so it will change their root
+ coordiantes (since they include the border width) and
+ we need to a notify then */
+ move = TRUE;
+ }
+
+
+ if (e->xconfigurerequest.value_mask & CWStackMode) {
+ ObClient *sibling = NULL;
+ gulong ignore_start;
+ gboolean ok = TRUE;
+
+ /* get the sibling */
+ if (e->xconfigurerequest.value_mask & CWSibling) {
+ ObWindow *win;
+ win = g_hash_table_lookup(window_map,
+ &e->xconfigurerequest.above);
+ if (win && WINDOW_IS_CLIENT(win) &&
+ WINDOW_AS_CLIENT(win) != client)
+ {
+ sibling = WINDOW_AS_CLIENT(win);
+ }
+ else
+ /* an invalid sibling was specified so don't restack at
+ all, it won't make sense no matter what we do */
+ ok = FALSE;
+ }
+
+ if (ok) {
+ if (!config_focus_under_mouse)
+ ignore_start = event_start_ignore_all_enters();
+ stacking_restack_request(client, sibling,
+ e->xconfigurerequest.detail);
+ if (!config_focus_under_mouse)
+ event_end_ignore_all_enters(ignore_start);
+ }
+
+ /* a stacking change moves the window without resizing */
+ move = TRUE;
+ }
+
+ if ((e->xconfigurerequest.value_mask & CWX) ||
+ (e->xconfigurerequest.value_mask & CWY) ||
+ (e->xconfigurerequest.value_mask & CWWidth) ||
+ (e->xconfigurerequest.value_mask & CWHeight))
+ {
+ if (e->xconfigurerequest.value_mask & CWX) {
+ /* don't allow clients to move shaded windows (fvwm does this)
+ */
+ if (!client->shaded)
+ x = e->xconfigurerequest.x;
+ move = TRUE;
+ }
+ if (e->xconfigurerequest.value_mask & CWY) {
+ /* don't allow clients to move shaded windows (fvwm does this)
+ */
+ if (!client->shaded)
+ y = e->xconfigurerequest.y;
+ move = TRUE;
+ }
+
+ if (e->xconfigurerequest.value_mask & CWWidth) {
+ w = e->xconfigurerequest.width;
+ resize = TRUE;
+ }
+ if (e->xconfigurerequest.value_mask & CWHeight) {
+ h = e->xconfigurerequest.height;
+ resize = TRUE;
+ }
+ }
+
+ ob_debug("ConfigureRequest x(%d) %d y(%d) %d w(%d) %d h(%d) %d "
+ "move %d resize %d\n",
+ e->xconfigurerequest.value_mask & CWX, x,
+ e->xconfigurerequest.value_mask & CWY, y,
+ e->xconfigurerequest.value_mask & CWWidth, w,
+ e->xconfigurerequest.value_mask & CWHeight, h,
+ move, resize);
+
+ /* check for broken apps moving to their root position
+
+ XXX remove this some day...that would be nice. right now all
+ kde apps do this when they try activate themselves on another
+ desktop. eg. open amarok window on desktop 1, switch to desktop
+ 2, click amarok tray icon. it will move by its decoration size.
+ */
+ if (x != client->area.x &&
+ x == (client->frame->area.x + client->frame->size.left -
+ (gint)client->border_width) &&
+ y != client->area.y &&
+ y == (client->frame->area.y + client->frame->size.top -
+ (gint)client->border_width) &&
+ w == client->area.width &&
+ h == client->area.height)
+ {
+ ob_debug_type(OB_DEBUG_APP_BUGS,
+ "Application %s is trying to move via "
+ "ConfigureRequest to it's root window position "
+ "but it is not using StaticGravity\n",
+ client->title);
+ /* don't move it */
+ x = client->area.x;
+ y = client->area.y;
+
+ /* they still requested a move, so don't change whether a
+ notify is sent or not */
+ }
+
+ {
+ gint lw,lh;
+
+ client_try_configure(client, &x, &y, &w, &h, &lw, &lh, FALSE);
+
+ /* if x was not given, then use gravity to figure out the new
+ x. the reference point should not be moved */
+ if ((e->xconfigurerequest.value_mask & CWWidth &&
+ !(e->xconfigurerequest.value_mask & CWX)))
+ client_gravity_resize_w(client, &x, client->area.width, w);
+ /* if y was not given, then use gravity to figure out the new
+ y. the reference point should not be moved */
+ if ((e->xconfigurerequest.value_mask & CWHeight &&
+ !(e->xconfigurerequest.value_mask & CWY)))
+ client_gravity_resize_h(client, &y, client->area.height,h);
+
+ client_find_onscreen(client, &x, &y, w, h, FALSE);
+
+ ob_debug("Granting ConfigureRequest x %d y %d w %d h %d\n",
+ x, y, w, h);
+ client_configure(client, x, y, w, h, FALSE, TRUE, TRUE);
+ }
+ break;
+ }
+ case UnmapNotify:
+ if (client->ignore_unmaps) {
+ client->ignore_unmaps--;
+ break;
+ }
+ ob_debug("UnmapNotify for window 0x%x eventwin 0x%x sendevent %d "
+ "ignores left %d\n",
+ client->window, e->xunmap.event, e->xunmap.from_configure,
+ client->ignore_unmaps);
+ client_unmanage(client);
+ break;
+ case DestroyNotify:
+ ob_debug("DestroyNotify for window 0x%x\n", client->window);
+ client_unmanage(client);
+ break;
+ case ReparentNotify:
+ /* this is when the client is first taken captive in the frame */
+ if (e->xreparent.parent == client->frame->window) break;
+
+ /*
+ This event is quite rare and is usually handled in unmapHandler.
+ However, if the window is unmapped when the reparent event occurs,
+ the window manager never sees it because an unmap event is not sent
+ to an already unmapped window.
+ */
+
+ /* we don't want the reparent event, put it back on the stack for the
+ X server to deal with after we unmanage the window */
+ XPutBackEvent(ob_display, e);
+
+ ob_debug("ReparentNotify for window 0x%x\n", client->window);
+ client_unmanage(client);
+ break;
+ case MapRequest:
+ ob_debug("MapRequest for 0x%lx\n", client->window);
+ if (!client->iconic) break; /* this normally doesn't happen, but if it
+ does, we don't want it!
+ it can happen now when the window is on
+ another desktop, but we still don't
+ want it! */
+ client_activate(client, FALSE, TRUE, TRUE, TRUE);
+ break;
+ case ClientMessage:
+ /* validate cuz we query stuff off the client here */
+ if (!client_validate(client)) break;
+
+ if (e->xclient.format != 32) return;
+
+ msgtype = e->xclient.message_type;
+ if (msgtype == prop_atoms.wm_change_state) {
+ /* compress changes into a single change */
+ while (XCheckTypedWindowEvent(ob_display, client->window,
+ e->type, &ce)) {
+ /* XXX: it would be nice to compress ALL messages of a
+ type, not just messages in a row without other
+ message types between. */
+ if (ce.xclient.message_type != msgtype) {
+ XPutBackEvent(ob_display, &ce);
+ break;
+ }
+ e->xclient = ce.xclient;
+ }
+ client_set_wm_state(client, e->xclient.data.l[0]);
+ } else if (msgtype == prop_atoms.net_wm_desktop) {
+ /* compress changes into a single change */
+ while (XCheckTypedWindowEvent(ob_display, client->window,
+ e->type, &ce)) {
+ /* XXX: it would be nice to compress ALL messages of a
+ type, not just messages in a row without other
+ message types between. */
+ if (ce.xclient.message_type != msgtype) {
+ XPutBackEvent(ob_display, &ce);
+ break;
+ }
+ e->xclient = ce.xclient;
+ }
+ if ((unsigned)e->xclient.data.l[0] < screen_num_desktops ||
+ (unsigned)e->xclient.data.l[0] == DESKTOP_ALL)
+ client_set_desktop(client, (unsigned)e->xclient.data.l[0],
+ FALSE, FALSE);
+ } else if (msgtype == prop_atoms.net_wm_state) {
+ gulong ignore_start;
+
+ /* can't compress these */
+ ob_debug("net_wm_state %s %ld %ld for 0x%lx\n",
+ (e->xclient.data.l[0] == 0 ? "Remove" :
+ e->xclient.data.l[0] == 1 ? "Add" :
+ e->xclient.data.l[0] == 2 ? "Toggle" : "INVALID"),
+ e->xclient.data.l[1], e->xclient.data.l[2],
+ client->window);
+
+ /* ignore enter events caused by these like ob actions do */
+ if (!config_focus_under_mouse)
+ ignore_start = event_start_ignore_all_enters();
+ client_set_state(client, e->xclient.data.l[0],
+ e->xclient.data.l[1], e->xclient.data.l[2]);
+ if (!config_focus_under_mouse)
+ event_end_ignore_all_enters(ignore_start);
+ } else if (msgtype == prop_atoms.net_close_window) {
+ ob_debug("net_close_window for 0x%lx\n", client->window);
+ client_close(client);
+ } else if (msgtype == prop_atoms.net_active_window) {
+ ob_debug("net_active_window for 0x%lx source=%s\n",
+ client->window,
+ (e->xclient.data.l[0] == 0 ? "unknown" :
+ (e->xclient.data.l[0] == 1 ? "application" :
+ (e->xclient.data.l[0] == 2 ? "user" : "INVALID"))));
+ /* XXX make use of data.l[2] !? */
+ if (e->xclient.data.l[0] == 1 || e->xclient.data.l[0] == 2) {
+ /* don't use the user's timestamp for client_focus, cuz if it's
+ an old broken timestamp (happens all the time) then focus
+ won't move even though we're trying to move it
+ event_curtime = e->xclient.data.l[1];*/
+ if (e->xclient.data.l[1] == 0)
+ ob_debug_type(OB_DEBUG_APP_BUGS,
+ "_NET_ACTIVE_WINDOW message for window %s is"
+ " missing a timestamp\n", client->title);
+ } else
+ ob_debug_type(OB_DEBUG_APP_BUGS,
+ "_NET_ACTIVE_WINDOW message for window %s is "
+ "missing source indication\n");
+ client_activate(client, FALSE, TRUE, TRUE,
+ (e->xclient.data.l[0] == 0 ||
+ e->xclient.data.l[0] == 2));
+ } else if (msgtype == prop_atoms.net_wm_moveresize) {
+ ob_debug("net_wm_moveresize for 0x%lx direction %d\n",
+ client->window, e->xclient.data.l[2]);
+ if ((Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_topleft ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_top ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_topright ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_right ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_right ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_bottomright ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_bottom ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_bottomleft ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_left ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_move ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_size_keyboard ||
+ (Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_move_keyboard) {
+
+ moveresize_start(client, e->xclient.data.l[0],
+ e->xclient.data.l[1], e->xclient.data.l[3],
+ e->xclient.data.l[2]);
+ }
+ else if ((Atom)e->xclient.data.l[2] ==
+ prop_atoms.net_wm_moveresize_cancel)
+ moveresize_end(TRUE);
+ } else if (msgtype == prop_atoms.net_moveresize_window) {
+ gint ograv, x, y, w, h;
+
+ ograv = client->gravity;
+
+ if (e->xclient.data.l[0] & 0xff)
+ client->gravity = e->xclient.data.l[0] & 0xff;
+
+ if (e->xclient.data.l[0] & 1 << 8)
+ x = e->xclient.data.l[1];
+ else
+ x = client->area.x;
+ if (e->xclient.data.l[0] & 1 << 9)
+ y = e->xclient.data.l[2];
+ else
+ y = client->area.y;
+
+ if (e->xclient.data.l[0] & 1 << 10) {
+ w = e->xclient.data.l[3];
+
+ /* if x was not given, then use gravity to figure out the new
+ x. the reference point should not be moved */
+ if (!(e->xclient.data.l[0] & 1 << 8))
+ client_gravity_resize_w(client, &x, client->area.width, w);
+ }
+ else
+ w = client->area.width;
+
+ if (e->xclient.data.l[0] & 1 << 11) {
+ h = e->xclient.data.l[4];
+
+ /* if y was not given, then use gravity to figure out the new
+ y. the reference point should not be moved */
+ if (!(e->xclient.data.l[0] & 1 << 9))
+ client_gravity_resize_h(client, &y, client->area.height,h);
+ }
+ else
+ h = client->area.height;
+
+ ob_debug("MOVERESIZE x %d %d y %d %d (gravity %d)\n",
+ e->xclient.data.l[0] & 1 << 8, x,
+ e->xclient.data.l[0] & 1 << 9, y,
+ client->gravity);
+
+ client_find_onscreen(client, &x, &y, w, h, FALSE);
+
+ client_configure(client, x, y, w, h, FALSE, TRUE, FALSE);
+
+ client->gravity = ograv;
+ } else if (msgtype == prop_atoms.net_restack_window) {
+ if (e->xclient.data.l[0] != 2) {
+ ob_debug_type(OB_DEBUG_APP_BUGS,
+ "_NET_RESTACK_WINDOW sent for window %s with "
+ "invalid source indication %ld\n",
+ client->title, e->xclient.data.l[0]);
+ } else {
+ ObClient *sibling = NULL;
+ if (e->xclient.data.l[1]) {
+ ObWindow *win = g_hash_table_lookup
+ (window_map, &e->xclient.data.l[1]);
+ if (WINDOW_IS_CLIENT(win) &&
+ WINDOW_AS_CLIENT(win) != client)
+ {
+ sibling = WINDOW_AS_CLIENT(win);
+ }
+ if (sibling == NULL)
+ ob_debug_type(OB_DEBUG_APP_BUGS,
+ "_NET_RESTACK_WINDOW sent for window %s "
+ "with invalid sibling 0x%x\n",
+ client->title, e->xclient.data.l[1]);
+ }
+ if (e->xclient.data.l[2] == Below ||
+ e->xclient.data.l[2] == BottomIf ||
+ e->xclient.data.l[2] == Above ||
+ e->xclient.data.l[2] == TopIf ||
+ e->xclient.data.l[2] == Opposite)
+ {
+ gulong ignore_start;
+
+ if (!config_focus_under_mouse)
+ ignore_start = event_start_ignore_all_enters();
+ /* just raise, don't activate */
+ stacking_restack_request(client, sibling,
+ e->xclient.data.l[2]);
+ if (!config_focus_under_mouse)
+ event_end_ignore_all_enters(ignore_start);
+
+ /* send a synthetic ConfigureNotify, cuz this is supposed
+ to be like a ConfigureRequest. */
+ client_reconfigure(client, TRUE);
+ } else
+ ob_debug_type(OB_DEBUG_APP_BUGS,
+ "_NET_RESTACK_WINDOW sent for window %s "
+ "with invalid detail %d\n",
+ client->title, e->xclient.data.l[2]);
+ }
+ }
+ break;
+ case PropertyNotify:
+ /* validate cuz we query stuff off the client here */
+ if (!client_validate(client)) break;
+
+ /* compress changes to a single property into a single change */
+ while (XCheckTypedWindowEvent(ob_display, client->window,
+ e->type, &ce)) {
+ Atom a, b;
+
+ /* XXX: it would be nice to compress ALL changes to a property,
+ not just changes in a row without other props between. */
+
+ a = ce.xproperty.atom;
+ b = e->xproperty.atom;
+
+ if (a == b)
+ continue;
+ if ((a == prop_atoms.net_wm_name ||
+ a == prop_atoms.wm_name ||
+ a == prop_atoms.net_wm_icon_name ||
+ a == prop_atoms.wm_icon_name)
+ &&
+ (b == prop_atoms.net_wm_name ||
+ b == prop_atoms.wm_name ||
+ b == prop_atoms.net_wm_icon_name ||
+ b == prop_atoms.wm_icon_name)) {
+ continue;
+ }
+ if (a == prop_atoms.net_wm_icon &&
+ b == prop_atoms.net_wm_icon)
+ continue;
+
+ XPutBackEvent(ob_display, &ce);
+ break;
+ }
+
+ msgtype = e->xproperty.atom;
+ if (msgtype == XA_WM_NORMAL_HINTS) {
+ ob_debug("Update NORMAL hints\n");
+ client_update_normal_hints(client);
+ /* normal hints can make a window non-resizable */
+ client_setup_decor_and_functions(client, FALSE);
+
+ /* make sure the client's sizes are within its bounds, but only
+ reconfigure the window if it needs to. emacs will update its
+ normal hints every time it receives a conigurenotify */
+ client_reconfigure(client, FALSE);
+ } else if (msgtype == XA_WM_HINTS) {
+ client_update_wmhints(client);
+ } else if (msgtype == XA_WM_TRANSIENT_FOR) {
+ client_update_transient_for(client);
+ client_get_type_and_transientness(client);
+ /* type may have changed, so update the layer */
+ client_calc_layer(client);
+ client_setup_decor_and_functions(client, TRUE);
+ } else if (msgtype == prop_atoms.net_wm_name ||
+ msgtype == prop_atoms.wm_name ||
+ msgtype == prop_atoms.net_wm_icon_name ||
+ msgtype == prop_atoms.wm_icon_name) {
+ client_update_title(client);
+ } else if (msgtype == prop_atoms.wm_protocols) {
+ client_update_protocols(client);
+ client_setup_decor_and_functions(client, TRUE);
+ }
+ else if (msgtype == prop_atoms.net_wm_strut) {
+ client_update_strut(client);
+ }
+ else if (msgtype == prop_atoms.net_wm_strut_partial) {
+ client_update_strut(client);
+ }
+ else if (msgtype == prop_atoms.net_wm_icon) {
+ client_update_icons(client);
+ }
+ else if (msgtype == prop_atoms.net_wm_icon_geometry) {
+ client_update_icon_geometry(client);
+ }
+ else if (msgtype == prop_atoms.net_wm_user_time) {
+ guint32 t;
+ if (client == focus_client &&
+ PROP_GET32(client->window, net_wm_user_time, cardinal, &t) &&
+ t && !event_time_after(t, e->xproperty.time) &&
+ (!event_last_user_time ||
+ event_time_after(t, event_last_user_time)))
+ {
+ event_last_user_time = t;
+ }
+ }
+#ifdef SYNC
+ else if (msgtype == prop_atoms.net_wm_sync_request_counter) {
+ client_update_sync_request_counter(client);
+ }
+#endif
+ break;
+ case ColormapNotify:
+ client_update_colormap(client, e->xcolormap.colormap);
+ break;
+ default:
+ ;
+#ifdef SHAPE
+ if (extensions_shape && e->type == extensions_shape_event_basep) {
+ client->shaped = ((XShapeEvent*)e)->shaped;
+ frame_adjust_shape(client->frame);
+ }
+#endif
+ }
+}
+
+static void event_handle_dock(ObDock *s, XEvent *e)
+{
+ switch (e->type) {
+ case ButtonPress:
+ if (e->xbutton.button == 1)
+ stacking_raise(DOCK_AS_WINDOW(s));
+ else if (e->xbutton.button == 2)
+ stacking_lower(DOCK_AS_WINDOW(s));
+ break;
+ case EnterNotify:
+ dock_hide(FALSE);
+ break;
+ case LeaveNotify:
+ /* don't hide when moving into a dock app */
+ if (e->xcrossing.detail != NotifyInferior)
+ dock_hide(TRUE);
+ break;
+ }
+}
+
+static void event_handle_dockapp(ObDockApp *app, XEvent *e)
+{
+ switch (e->type) {
+ case MotionNotify:
+ dock_app_drag(app, &e->xmotion);
+ break;
+ case UnmapNotify:
+ if (app->ignore_unmaps) {
+ app->ignore_unmaps--;
+ break;
+ }
+ dock_remove(app, TRUE);
+ break;
+ case DestroyNotify:
+ dock_remove(app, FALSE);
+ break;
+ case ReparentNotify:
+ dock_remove(app, FALSE);
+ break;
+ case ConfigureNotify:
+ dock_app_configure(app, e->xconfigure.width, e->xconfigure.height);
+ break;
+ }
+}
+
+static ObMenuFrame* find_active_menu(void)
+{
+ GList *it;
+ ObMenuFrame *ret = NULL;
+
+ for (it = menu_frame_visible; it; it = g_list_next(it)) {
+ ret = it->data;
+ if (ret->selected)
+ break;
+ ret = NULL;
+ }
+ return ret;
+}
+
+static ObMenuFrame* find_active_or_last_menu(void)
+{
+ ObMenuFrame *ret = NULL;
+
+ ret = find_active_menu();
+ if (!ret && menu_frame_visible)
+ ret = menu_frame_visible->data;
+ return ret;
+}
+
+static gboolean event_handle_menu_keyboard(XEvent *ev)
+{
+ guint keycode, state;
+ gunichar unikey;
+ ObMenuFrame *frame;
+ gboolean ret = FALSE;
+
+ keycode = ev->xkey.keycode;
+ state = ev->xkey.state;
+ unikey = translate_unichar(keycode);
+
+ frame = find_active_or_last_menu();
+ if (frame == NULL)
+ g_assert_not_reached(); /* there is no active menu */
+
+ /* Allow control while going thru the menu */
+ else if (ev->type == KeyPress && (state & ~ControlMask) == 0) {
+ frame->got_press = TRUE;
+
+ if (keycode == ob_keycode(OB_KEY_ESCAPE)) {
+ menu_frame_hide_all();
+ ret = TRUE;
+ }
+
+ else if (keycode == ob_keycode(OB_KEY_LEFT)) {
+ /* Left goes to the parent menu */
+ menu_frame_select(frame, NULL, TRUE);
+ ret = TRUE;
+ }
+
+ else if (keycode == ob_keycode(OB_KEY_RIGHT)) {
+ /* Right goes to the selected submenu */
+ if (frame->child) menu_frame_select_next(frame->child);
+ ret = TRUE;
+ }
+
+ else if (keycode == ob_keycode(OB_KEY_UP)) {
+ menu_frame_select_previous(frame);
+ ret = TRUE;
+ }
+
+ else if (keycode == ob_keycode(OB_KEY_DOWN)) {
+ menu_frame_select_next(frame);
+ ret = TRUE;
+ }
+ }
+
+ /* Use KeyRelease events for running things so that the key release doesn't
+ get sent to the focused application.
+
+ Allow ControlMask only, and don't bother if the menu is empty */
+ else if (ev->type == KeyRelease && (state & ~ControlMask) == 0 &&
+ frame->entries && frame->got_press)
+ {
+ if (keycode == ob_keycode(OB_KEY_RETURN)) {
+ /* Enter runs the active item or goes into the submenu.
+ Control-Enter runs it without closing the menu. */
+ if (frame->child)
+ menu_frame_select_next(frame->child);
+ else if (frame->selected)
+ menu_entry_frame_execute(frame->selected, state);
+
+ ret = TRUE;
+ }
+
+ /* keyboard accelerator shortcuts. (if it was a valid key) */
+ else if (unikey != 0) {
+ GList *start;
+ GList *it;
+ ObMenuEntryFrame *found = NULL;
+ guint num_found = 0;
+
+ /* start after the selected one */
+ start = frame->entries;
+ if (frame->selected) {
+ for (it = start; frame->selected != it->data;
+ it = g_list_next(it))
+ g_assert(it != NULL); /* nothing was selected? */
+ /* next with wraparound */
+ start = g_list_next(it);
+ if (start == NULL) start = frame->entries;
+ }
+
+ it = start;
+ do {
+ ObMenuEntryFrame *e = it->data;
+ gunichar entrykey = 0;
+
+ if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
+ entrykey = e->entry->data.normal.shortcut;
+ else if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
+ entrykey = e->entry->data.submenu.submenu->shortcut;
+
+ if (unikey == entrykey) {
+ if (found == NULL) found = e;
+ ++num_found;
+ }
+
+ /* next with wraparound */
+ it = g_list_next(it);
+ if (it == NULL) it = frame->entries;
+ } while (it != start);
+
+ if (found) {
+ if (found->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
+ num_found == 1)
+ {
+ menu_frame_select(frame, found, TRUE);
+ usleep(50000); /* highlight the item for a short bit so the
+ user can see what happened */
+ menu_entry_frame_execute(found, state);
+ } else {
+ menu_frame_select(frame, found, TRUE);
+ if (num_found == 1)
+ menu_frame_select_next(frame->child);
+ }
+
+ ret = TRUE;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static gboolean event_handle_menu(XEvent *ev)
+{
+ ObMenuFrame *f;
+ ObMenuEntryFrame *e;
+ gboolean ret = TRUE;
+
+ switch (ev->type) {
+ case ButtonRelease:
+ if (menu_hide_delay_reached() &&
+ (ev->xbutton.button < 4 || ev->xbutton.button > 5))
+ {
+ if ((e = menu_entry_frame_under(ev->xbutton.x_root,
+ ev->xbutton.y_root)))
+ {
+ menu_frame_select(e->frame, e, TRUE);
+ menu_entry_frame_execute(e, ev->xbutton.state);
+ }
+ else
+ menu_frame_hide_all();
+ }
+ break;
+ case EnterNotify:
+ if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window))) {
+ if (e->ignore_enters)
+ --e->ignore_enters;
+ else if (!(f = find_active_menu()) ||
+ f == e->frame ||
+ f->parent == e->frame ||
+ f->child == e->frame)
+ menu_frame_select(e->frame, e, FALSE);
+ }
+ break;
+ case LeaveNotify:
+ /*ignore leaves when we're already in the window */
+ if (ev->xcrossing.detail == NotifyInferior)
+ break;
+
+ if ((e = g_hash_table_lookup(menu_frame_map, &ev->xcrossing.window)) &&
+ (f = find_active_menu()) && f->selected == e &&
+ e->entry->type != OB_MENU_ENTRY_TYPE_SUBMENU)
+ {
+ menu_frame_select(e->frame, NULL, FALSE);
+ }
+ break;
+ case MotionNotify:
+ if ((e = menu_entry_frame_under(ev->xmotion.x_root,
+ ev->xmotion.y_root)))
+ if (!(f = find_active_menu()) ||
+ f == e->frame ||
+ f->parent == e->frame ||
+ f->child == e->frame)
+ menu_frame_select(e->frame, e, FALSE);
+ break;
+ case KeyPress:
+ case KeyRelease:
+ ret = event_handle_menu_keyboard(ev);
+ break;
+ }
+ return ret;
+}
+
+static void event_handle_user_input(ObClient *client, XEvent *e)
+{
+ g_assert(e->type == ButtonPress || e->type == ButtonRelease ||
+ e->type == MotionNotify || e->type == KeyPress ||
+ e->type == KeyRelease);
+
+ if (menu_frame_visible) {
+ if (event_handle_menu(e))
+ /* don't use the event if the menu used it, but if the menu
+ didn't use it and it's a keypress that is bound, it will
+ close the menu and be used */
+ return;
+ }
+
+ /* if the keyboard interactive action uses the event then dont
+ use it for bindings. likewise is moveresize uses the event. */
+ if (!actions_interactive_input_event(e) && !moveresize_event(e)) {
+ if (moveresize_in_progress)
+ /* make further actions work on the client being
+ moved/resized */
+ client = moveresize_client;
+
+ if (e->type == ButtonPress ||
+ e->type == ButtonRelease ||
+ e->type == MotionNotify)
+ {
+ /* the frame may not be "visible" but they can still click on it
+ in the case where it is animating before disappearing */
+ if (!client || !frame_iconify_animating(client->frame))
+ mouse_event(client, e);
+ } else
+ keyboard_event((focus_cycle_target ? focus_cycle_target :
+ (client ? client : focus_client)), e);
+ }
+}
+
+static void focus_delay_dest(gpointer data)
+{
+ g_free(data);
+}
+
+static gboolean focus_delay_cmp(gconstpointer d1, gconstpointer d2)
+{
+ const ObFocusDelayData *f1 = d1;
+ return f1->client == d2;
+}
+
+static gboolean focus_delay_func(gpointer data)
+{
+ ObFocusDelayData *d = data;
+ Time old = event_curtime;
+
+ /* don't move focus and kill the menu or the move/resize */
+ if (menu_frame_visible || moveresize_in_progress) return FALSE;
+
+ event_curtime = d->time;
+ event_curserial = d->serial;
+ if (client_focus(d->client) && config_focus_raise)
+ stacking_raise(CLIENT_AS_WINDOW(d->client));
+ event_curtime = old;
+ return FALSE; /* no repeat */
+}
+
+static void focus_delay_client_dest(ObClient *client, gpointer data)
+{
+ ob_main_loop_timeout_remove_data(ob_main_loop, focus_delay_func,
+ client, FALSE);
+}
+
+void event_halt_focus_delay()
+{
+ /* ignore all enter events up till the event which caused this to occur */
+ if (event_curserial) event_ignore_enter_range(1, event_curserial);
+ ob_main_loop_timeout_remove(ob_main_loop, focus_delay_func);
+}
+
+gulong event_start_ignore_all_enters(void)
+{
+ XSync(ob_display, FALSE);
+ return LastKnownRequestProcessed(ob_display);
+}
+
+static void event_ignore_enter_range(gulong start, gulong end)
+{
+ ObSerialRange *r;
+
+ g_assert(start != 0);
+ g_assert(end != 0);
+
+ r = g_new(ObSerialRange, 1);
+ r->start = start;
+ r->end = end;
+ ignore_serials = g_slist_prepend(ignore_serials, r);
+
+ ob_debug_type(OB_DEBUG_FOCUS, "ignoring enters from %lu until %lu\n",
+ r->start, r->end);
+
+ /* increment the serial so we don't ignore events we weren't meant to */
+ XSync(ob_display, FALSE);
+}
+
+void event_end_ignore_all_enters(gulong start)
+{
+ XSync(ob_display, FALSE);
+ event_ignore_enter_range(start, LastKnownRequestProcessed(ob_display));
+}
+
+static gboolean is_enter_focus_event_ignored(XEvent *e)
+{
+ GSList *it, *next;
+
+ g_assert(e->type == EnterNotify &&
+ !(e->xcrossing.mode == NotifyGrab ||
+ e->xcrossing.mode == NotifyUngrab ||
+ e->xcrossing.detail == NotifyInferior));
+
+ for (it = ignore_serials; it; it = next) {
+ ObSerialRange *r = it->data;
+
+ next = g_slist_next(it);
+
+ if ((glong)(e->xany.serial - r->end) > 0) {
+ /* past the end */
+ ignore_serials = g_slist_delete_link(ignore_serials, it);
+ g_free(r);
+ }
+ else if ((glong)(e->xany.serial - r->start) >= 0)
+ return TRUE;
+ }
+ return FALSE;
+}
+
+void event_cancel_all_key_grabs(void)
+{
+ if (actions_interactive_act_running()) {
+ actions_interactive_cancel_act();
+ ob_debug("KILLED interactive action\n");
+ }
+ else if (menu_frame_visible) {
+ menu_frame_hide_all();
+ ob_debug("KILLED open menus\n");
+ }
+ else if (moveresize_in_progress) {
+ moveresize_end(TRUE);
+ ob_debug("KILLED interactive moveresize\n");
+ }
+ else if (grab_on_keyboard()) {
+ ungrab_keyboard();
+ ob_debug("KILLED active grab on keyboard\n");
+ }
+ else
+ ungrab_passive_key();
+}
+
+gboolean event_time_after(Time t1, Time t2)
+{
+ g_assert(t1 != CurrentTime);
+ g_assert(t2 != CurrentTime);
+
+ /*
+ Timestamp values wrap around (after about 49.7 days). The server, given
+ its current time is represented by timestamp T, always interprets
+ timestamps from clients by treating half of the timestamp space as being
+ later in time than T.
+ - http://tronche.com/gui/x/xlib/input/pointer-grabbing.html
+ */
+
+ /* TIME_HALF is half of the number space of a Time type variable */
+#define TIME_HALF (Time)(1 << (sizeof(Time)*8-1))
+
+ if (t2 >= TIME_HALF)
+ /* t2 is in the second half so t1 might wrap around and be smaller than
+ t2 */
+ return t1 >= t2 || t1 < (t2 + TIME_HALF);
+ else
+ /* t2 is in the first half so t1 has to come after it */
+ return t1 >= t2 && t1 < (t2 + TIME_HALF);
+}
+
+Time event_get_server_time(void)
+{
+ /* Generate a timestamp */
+ XEvent event;
+
+ XChangeProperty(ob_display, screen_support_win,
+ prop_atoms.wm_class, prop_atoms.string,
+ 8, PropModeAppend, NULL, 0);
+ XWindowEvent(ob_display, screen_support_win, PropertyChangeMask, &event);
+ return event.xproperty.time;