/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* * Copyright (C) 2001 Havoc Pennington, Anders Carlsson * Copyright (C) 2002, 2003 Red Hat, Inc. * Copyright (C) 2003 Rob Adams * Copyright (C) 2004-2006 Elijah Newren * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ #include "config.h" #include "window-x11.h" #include #include #include /* For display->resource_mask */ #ifdef HAVE_SHAPE #include #endif #include #include "core.h" #include #include #include #include "window-private.h" #include "window-props.h" #include "xprops.h" void meta_window_x11_set_net_wm_state (MetaWindow *window) { int i; unsigned long data[13]; i = 0; if (window->shaded) { data[i] = window->display->atom__NET_WM_STATE_SHADED; ++i; } if (window->wm_state_modal) { data[i] = window->display->atom__NET_WM_STATE_MODAL; ++i; } if (window->skip_pager) { data[i] = window->display->atom__NET_WM_STATE_SKIP_PAGER; ++i; } if (window->skip_taskbar) { data[i] = window->display->atom__NET_WM_STATE_SKIP_TASKBAR; ++i; } if (window->maximized_horizontally) { data[i] = window->display->atom__NET_WM_STATE_MAXIMIZED_HORZ; ++i; } if (window->maximized_vertically) { data[i] = window->display->atom__NET_WM_STATE_MAXIMIZED_VERT; ++i; } if (window->fullscreen) { data[i] = window->display->atom__NET_WM_STATE_FULLSCREEN; ++i; } if (!meta_window_showing_on_its_workspace (window) || window->shaded) { data[i] = window->display->atom__NET_WM_STATE_HIDDEN; ++i; } if (window->wm_state_above) { data[i] = window->display->atom__NET_WM_STATE_ABOVE; ++i; } if (window->wm_state_below) { data[i] = window->display->atom__NET_WM_STATE_BELOW; ++i; } if (window->wm_state_demands_attention) { data[i] = window->display->atom__NET_WM_STATE_DEMANDS_ATTENTION; ++i; } if (window->on_all_workspaces_requested) { data[i] = window->display->atom__NET_WM_STATE_STICKY; ++i; } if (meta_window_appears_focused (window)) { data[i] = window->display->atom__NET_WM_STATE_FOCUSED; ++i; } meta_verbose ("Setting _NET_WM_STATE with %d atoms\n", i); meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom__NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (guchar*) data, i); meta_error_trap_pop (window->display); if (window->fullscreen) { if (window->fullscreen_monitors[0] >= 0) { data[0] = meta_screen_monitor_index_to_xinerama_index (window->screen, window->fullscreen_monitors[0]); data[1] = meta_screen_monitor_index_to_xinerama_index (window->screen, window->fullscreen_monitors[1]); data[2] = meta_screen_monitor_index_to_xinerama_index (window->screen, window->fullscreen_monitors[2]); data[3] = meta_screen_monitor_index_to_xinerama_index (window->screen, window->fullscreen_monitors[3]); meta_verbose ("Setting _NET_WM_FULLSCREEN_MONITORS\n"); meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom__NET_WM_FULLSCREEN_MONITORS, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 4); meta_error_trap_pop (window->display); } else { meta_verbose ("Clearing _NET_WM_FULLSCREEN_MONITORS\n"); meta_error_trap_push (window->display); XDeleteProperty (window->display->xdisplay, window->xwindow, window->display->atom__NET_WM_FULLSCREEN_MONITORS); meta_error_trap_pop (window->display); } } } void meta_window_x11_update_net_wm_type (MetaWindow *window) { int n_atoms; Atom *atoms; int i; window->type_atom = None; n_atoms = 0; atoms = NULL; meta_prop_get_atom_list (window->display, window->xwindow, window->display->atom__NET_WM_WINDOW_TYPE, &atoms, &n_atoms); i = 0; while (i < n_atoms) { /* We break as soon as we find one we recognize, * supposed to prefer those near the front of the list */ if (atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DESKTOP || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DOCK || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_TOOLBAR || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_MENU || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_UTILITY || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_SPLASH || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DIALOG || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DROPDOWN_MENU || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_POPUP_MENU || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_TOOLTIP || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_NOTIFICATION || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_COMBO || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_DND || atoms[i] == window->display->atom__NET_WM_WINDOW_TYPE_NORMAL) { window->type_atom = atoms[i]; break; } ++i; } meta_XFree (atoms); if (meta_is_verbose ()) { char *str; str = NULL; if (window->type_atom != None) { meta_error_trap_push (window->display); str = XGetAtomName (window->display->xdisplay, window->type_atom); meta_error_trap_pop (window->display); } meta_verbose ("Window %s type atom %s\n", window->desc, str ? str : "(none)"); if (str) meta_XFree (str); } meta_window_recalc_window_type (window); } void meta_window_x11_update_role (MetaWindow *window) { char *str; g_return_if_fail (!window->override_redirect); if (window->role) g_free (window->role); window->role = NULL; if (meta_prop_get_latin1_string (window->display, window->xwindow, window->display->atom_WM_WINDOW_ROLE, &str)) { window->role = g_strdup (str); meta_XFree (str); } meta_verbose ("Updated role of %s to '%s'\n", window->desc, window->role ? window->role : "null"); } static void meta_window_set_opaque_region (MetaWindow *window, cairo_region_t *region) { g_clear_pointer (&window->opaque_region, cairo_region_destroy); if (region != NULL) window->opaque_region = cairo_region_reference (region); if (window->display->compositor) meta_compositor_window_shape_changed (window->display->compositor, window); } void meta_window_x11_update_opaque_region (MetaWindow *window) { cairo_region_t *opaque_region = NULL; gulong *region = NULL; int nitems; if (meta_prop_get_cardinal_list (window->display, window->xwindow, window->display->atom__NET_WM_OPAQUE_REGION, ®ion, &nitems)) { cairo_rectangle_int_t *rects; int i, rect_index, nrects; if (nitems % 4 != 0) { meta_verbose ("_NET_WM_OPAQUE_REGION does not have a list of 4-tuples."); goto out; } /* empty region */ if (nitems == 0) goto out; nrects = nitems / 4; rects = g_new (cairo_rectangle_int_t, nrects); rect_index = 0; i = 0; while (i < nitems) { cairo_rectangle_int_t *rect = &rects[rect_index]; rect->x = region[i++]; rect->y = region[i++]; rect->width = region[i++]; rect->height = region[i++]; rect_index++; } opaque_region = cairo_region_create_rectangles (rects, nrects); g_free (rects); } out: meta_XFree (region); meta_window_set_opaque_region (window, opaque_region); cairo_region_destroy (opaque_region); } static cairo_region_t * region_create_from_x_rectangles (const XRectangle *rects, int n_rects) { int i; cairo_rectangle_int_t *cairo_rects = g_newa (cairo_rectangle_int_t, n_rects); for (i = 0; i < n_rects; i ++) { cairo_rects[i].x = rects[i].x; cairo_rects[i].y = rects[i].y; cairo_rects[i].width = rects[i].width; cairo_rects[i].height = rects[i].height; } return cairo_region_create_rectangles (cairo_rects, n_rects); } static void meta_window_set_input_region (MetaWindow *window, cairo_region_t *region) { g_clear_pointer (&window->input_region, cairo_region_destroy); if (region != NULL) window->input_region = cairo_region_reference (region); if (window->display->compositor) meta_compositor_window_shape_changed (window->display->compositor, window); } #if 0 /* Print out a region; useful for debugging */ static void print_region (cairo_region_t *region) { int n_rects; int i; n_rects = cairo_region_num_rectangles (region); g_print ("["); for (i = 0; i < n_rects; i++) { cairo_rectangle_int_t rect; cairo_region_get_rectangle (region, i, &rect); g_print ("+%d+%dx%dx%d ", rect.x, rect.y, rect.width, rect.height); } g_print ("]\n"); } #endif void meta_window_x11_update_input_region (MetaWindow *window) { cairo_region_t *region = NULL; /* Decorated windows don't have an input region, because we don't shape the frame to match the client windows (so the events are blocked by the frame anyway) */ if (window->decorated) { if (window->input_region) meta_window_set_input_region (window, NULL); return; } #ifdef HAVE_SHAPE if (META_DISPLAY_HAS_SHAPE (window->display)) { /* Translate the set of XShape rectangles that we * get from the X server to a cairo_region. */ XRectangle *rects = NULL; int n_rects, ordering; rects = XShapeGetRectangles (window->display->xdisplay, window->xwindow, ShapeInput, &n_rects, &ordering); meta_error_trap_pop (window->display); /* XXX: The x shape extension doesn't provide a way to only test if an * input shape has been specified, so we have to query and throw away the * rectangles. */ if (rects) { if (n_rects > 1 || (n_rects == 1 && (rects[0].x != 0 || rects[0].y != 0 || rects[0].width != window->rect.width || rects[0].height != window->rect.height))) region = region_create_from_x_rectangles (rects, n_rects); XFree (rects); } } #endif /* HAVE_SHAPE */ if (region != NULL) { cairo_rectangle_int_t client_area; client_area.x = 0; client_area.y = 0; client_area.width = window->rect.width; client_area.height = window->rect.height; /* The shape we get back from the client may have coordinates * outside of the frame. The X SHAPE Extension requires that * the overall shape the client provides never exceeds the * "bounding rectangle" of the window -- the shape that the * window would have gotten if it was unshaped. In our case, * this is simply the client area. */ cairo_region_intersect_rectangle (region, &client_area); } meta_window_set_input_region (window, region); cairo_region_destroy (region); } static void meta_window_set_shape_region (MetaWindow *window, cairo_region_t *region) { g_clear_pointer (&window->shape_region, cairo_region_destroy); if (region != NULL) window->shape_region = cairo_region_reference (region); if (window->display->compositor) meta_compositor_window_shape_changed (window->display->compositor, window); } void meta_window_x11_update_shape_region (MetaWindow *window) { cairo_region_t *region = NULL; #ifdef HAVE_SHAPE if (META_DISPLAY_HAS_SHAPE (window->display)) { /* Translate the set of XShape rectangles that we * get from the X server to a cairo_region. */ XRectangle *rects = NULL; int n_rects, ordering; int x_bounding, y_bounding, x_clip, y_clip; unsigned w_bounding, h_bounding, w_clip, h_clip; int bounding_shaped, clip_shaped; meta_error_trap_push (window->display); XShapeQueryExtents (window->display->xdisplay, window->xwindow, &bounding_shaped, &x_bounding, &y_bounding, &w_bounding, &h_bounding, &clip_shaped, &x_clip, &y_clip, &w_clip, &h_clip); if (bounding_shaped) { rects = XShapeGetRectangles (window->display->xdisplay, window->xwindow, ShapeBounding, &n_rects, &ordering); } meta_error_trap_pop (window->display); if (rects) { region = region_create_from_x_rectangles (rects, n_rects); XFree (rects); } } #endif /* HAVE_SHAPE */ if (region != NULL) { cairo_rectangle_int_t client_area; client_area.x = 0; client_area.y = 0; client_area.width = window->rect.width; client_area.height = window->rect.height; /* The shape we get back from the client may have coordinates * outside of the frame. The X SHAPE Extension requires that * the overall shape the client provides never exceeds the * "bounding rectangle" of the window -- the shape that the * window would have gotten if it was unshaped. In our case, * this is simply the client area. */ cairo_region_intersect_rectangle (region, &client_area); } meta_window_set_shape_region (window, region); cairo_region_destroy (region); } /* Generally meta_window_same_application() is a better idea * of "sameness", since it handles the case where multiple apps * want to look like the same app or the same app wants to look * like multiple apps, but in the case of workarounds for legacy * applications (which likely aren't setting the group properly * anyways), it may be desirable to check this as well. */ static gboolean meta_window_same_client (MetaWindow *window, MetaWindow *other_window) { int resource_mask = window->display->xdisplay->resource_mask; return ((window->xwindow & ~resource_mask) == (other_window->xwindow & ~resource_mask)); } gboolean meta_window_x11_configure_request (MetaWindow *window, XEvent *event) { /* Note that x, y is the corner of the window border, * and width, height is the size of the window inside * its border, but that we always deny border requests * and give windows a border of 0. But we save the * requested border here. */ if (event->xconfigurerequest.value_mask & CWBorderWidth) window->border_width = event->xconfigurerequest.border_width; meta_window_move_resize_request(window, event->xconfigurerequest.value_mask, window->size_hints.win_gravity, event->xconfigurerequest.x, event->xconfigurerequest.y, event->xconfigurerequest.width, event->xconfigurerequest.height); /* Handle stacking. We only handle raises/lowers, mostly because * stack.c really can't deal with anything else. I guess we'll fix * that if a client turns up that really requires it. Only a very * few clients even require the raise/lower (and in fact all client * attempts to deal with stacking order are essentially broken, * since they have no idea what other clients are involved or how * the stack looks). * * I'm pretty sure no interesting client uses TopIf, BottomIf, or * Opposite anyway, so the only possible missing thing is * Above/Below with a sibling set. For now we just pretend there's * never a sibling set and always do the full raise/lower instead of * the raise-just-above/below-sibling. */ if (event->xconfigurerequest.value_mask & CWStackMode) { MetaWindow *active_window; active_window = window->display->focus_window; if (meta_prefs_get_disable_workarounds ()) { meta_topic (META_DEBUG_STACK, "%s sent an xconfigure stacking request; this is " "broken behavior and the request is being ignored.\n", window->desc); } else if (active_window && !meta_window_same_application (window, active_window) && !meta_window_same_client (window, active_window) && XSERVER_TIME_IS_BEFORE (window->net_wm_user_time, active_window->net_wm_user_time)) { meta_topic (META_DEBUG_STACK, "Ignoring xconfigure stacking request from %s (with " "user_time %u); currently active application is %s (with " "user_time %u).\n", window->desc, window->net_wm_user_time, active_window->desc, active_window->net_wm_user_time); if (event->xconfigurerequest.detail == Above) meta_window_set_demands_attention(window); } else { switch (event->xconfigurerequest.detail) { case Above: meta_window_raise (window); break; case Below: meta_window_lower (window); break; case TopIf: case BottomIf: case Opposite: break; } } } return TRUE; } static gboolean process_property_notify (MetaWindow *window, XPropertyEvent *event) { Window xid = window->xwindow; if (meta_is_verbose ()) /* avoid looking up the name if we don't have to */ { char *property_name = XGetAtomName (window->display->xdisplay, event->atom); meta_verbose ("Property notify on %s for %s\n", window->desc, property_name); XFree (property_name); } if (event->atom == window->display->atom__NET_WM_USER_TIME && window->user_time_window) { xid = window->user_time_window; } meta_window_reload_property_from_xwindow (window, xid, event->atom, FALSE); return TRUE; } gboolean meta_window_x11_property_notify (MetaWindow *window, XEvent *event) { return process_property_notify (window, &event->xproperty); } #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0 #define _NET_WM_MOVERESIZE_SIZE_TOP 1 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7 #define _NET_WM_MOVERESIZE_MOVE 8 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 #define _NET_WM_MOVERESIZE_CANCEL 11 static int query_pressed_buttons (MetaWindow *window) { double x, y, query_root_x, query_root_y; Window root, child; XIButtonState buttons; XIModifierState mods; XIGroupState group; int button = 0; meta_error_trap_push (window->display); XIQueryPointer (window->display->xdisplay, META_VIRTUAL_CORE_POINTER_ID, window->xwindow, &root, &child, &query_root_x, &query_root_y, &x, &y, &buttons, &mods, &group); if (meta_error_trap_pop_with_return (window->display) != Success) goto out; if (XIMaskIsSet (buttons.mask, Button1)) button |= 1 << 1; if (XIMaskIsSet (buttons.mask, Button2)) button |= 1 << 2; if (XIMaskIsSet (buttons.mask, Button3)) button |= 1 << 3; free (buttons.mask); out: return button; } gboolean meta_window_x11_client_message (MetaWindow *window, XEvent *event) { MetaDisplay *display; display = window->display; if (window->override_redirect) { /* Don't warn here: we could warn on any of the messages below, * but we might also receive other client messages that are * part of protocols we don't know anything about. So, silently * ignoring is simplest. */ return FALSE; } if (event->xclient.message_type == display->atom__NET_CLOSE_WINDOW) { guint32 timestamp; if (event->xclient.data.l[0] != 0) timestamp = event->xclient.data.l[0]; else { meta_warning ("Receiving a NET_CLOSE_WINDOW message for %s without " "a timestamp! This means some buggy (outdated) " "application is on the loose!\n", window->desc); timestamp = meta_display_get_current_time (window->display); } meta_window_delete (window, timestamp); return TRUE; } else if (event->xclient.message_type == display->atom__NET_WM_DESKTOP) { int space; MetaWorkspace *workspace; space = event->xclient.data.l[0]; meta_verbose ("Request to move %s to workspace %d\n", window->desc, space); workspace = meta_screen_get_workspace_by_index (window->screen, space); if (workspace) { if (window->on_all_workspaces_requested) meta_window_unstick (window); meta_window_change_workspace (window, workspace); } else if (space == (int) 0xFFFFFFFF) { meta_window_stick (window); } else { meta_verbose ("No such workspace %d for screen\n", space); } meta_verbose ("Window %s now on_all_workspaces = %d\n", window->desc, window->on_all_workspaces); return TRUE; } else if (event->xclient.message_type == display->atom__NET_WM_STATE) { gulong action; Atom first; Atom second; action = event->xclient.data.l[0]; first = event->xclient.data.l[1]; second = event->xclient.data.l[2]; if (meta_is_verbose ()) { char *str1; char *str2; meta_error_trap_push_with_return (display); str1 = XGetAtomName (display->xdisplay, first); if (meta_error_trap_pop_with_return (display) != Success) str1 = NULL; meta_error_trap_push_with_return (display); str2 = XGetAtomName (display->xdisplay, second); if (meta_error_trap_pop_with_return (display) != Success) str2 = NULL; meta_verbose ("Request to change _NET_WM_STATE action %lu atom1: %s atom2: %s\n", action, str1 ? str1 : "(unknown)", str2 ? str2 : "(unknown)"); meta_XFree (str1); meta_XFree (str2); } if (first == display->atom__NET_WM_STATE_SHADED || second == display->atom__NET_WM_STATE_SHADED) { gboolean shade; guint32 timestamp; /* Stupid protocol has no timestamp; of course, shading * sucks anyway so who really cares that we're forced to do * a roundtrip here? */ timestamp = meta_display_get_current_time_roundtrip (window->display); shade = (action == _NET_WM_STATE_ADD || (action == _NET_WM_STATE_TOGGLE && !window->shaded)); if (shade && window->has_shade_func) meta_window_shade (window, timestamp); else meta_window_unshade (window, timestamp); } if (first == display->atom__NET_WM_STATE_FULLSCREEN || second == display->atom__NET_WM_STATE_FULLSCREEN) { gboolean make_fullscreen; make_fullscreen = (action == _NET_WM_STATE_ADD || (action == _NET_WM_STATE_TOGGLE && !window->fullscreen)); if (make_fullscreen && window->has_fullscreen_func) meta_window_make_fullscreen (window); else meta_window_unmake_fullscreen (window); } if (first == display->atom__NET_WM_STATE_MAXIMIZED_HORZ || second == display->atom__NET_WM_STATE_MAXIMIZED_HORZ || first == display->atom__NET_WM_STATE_MAXIMIZED_VERT || second == display->atom__NET_WM_STATE_MAXIMIZED_VERT) { gboolean max; MetaMaximizeFlags directions = 0; max = (action == _NET_WM_STATE_ADD || (action == _NET_WM_STATE_TOGGLE && !window->maximized_horizontally)); if (first == display->atom__NET_WM_STATE_MAXIMIZED_HORZ || second == display->atom__NET_WM_STATE_MAXIMIZED_HORZ) directions |= META_MAXIMIZE_HORIZONTAL; if (first == display->atom__NET_WM_STATE_MAXIMIZED_VERT || second == display->atom__NET_WM_STATE_MAXIMIZED_VERT) directions |= META_MAXIMIZE_VERTICAL; if (max && window->has_maximize_func) { if (meta_prefs_get_raise_on_click ()) meta_window_raise (window); meta_window_maximize (window, directions); } else { if (meta_prefs_get_raise_on_click ()) meta_window_raise (window); meta_window_unmaximize (window, directions); } } if (first == display->atom__NET_WM_STATE_MODAL || second == display->atom__NET_WM_STATE_MODAL) { window->wm_state_modal = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_modal); meta_window_recalc_window_type (window); meta_window_queue(window, META_QUEUE_MOVE_RESIZE); } if (first == display->atom__NET_WM_STATE_SKIP_PAGER || second == display->atom__NET_WM_STATE_SKIP_PAGER) { window->wm_state_skip_pager = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->skip_pager); meta_window_recalc_features (window); meta_window_x11_set_net_wm_state (window); } if (first == display->atom__NET_WM_STATE_SKIP_TASKBAR || second == display->atom__NET_WM_STATE_SKIP_TASKBAR) { window->wm_state_skip_taskbar = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->skip_taskbar); meta_window_recalc_features (window); meta_window_x11_set_net_wm_state (window); } if (first == display->atom__NET_WM_STATE_ABOVE || second == display->atom__NET_WM_STATE_ABOVE) { if ((action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_demands_attention)) meta_window_make_above (window); else meta_window_unmake_above (window); } if (first == display->atom__NET_WM_STATE_BELOW || second == display->atom__NET_WM_STATE_BELOW) { window->wm_state_below = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_below); meta_window_update_layer (window); meta_window_x11_set_net_wm_state (window); } if (first == display->atom__NET_WM_STATE_DEMANDS_ATTENTION || second == display->atom__NET_WM_STATE_DEMANDS_ATTENTION) { if ((action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_demands_attention)) meta_window_set_demands_attention (window); else meta_window_unset_demands_attention (window); } if (first == display->atom__NET_WM_STATE_STICKY || second == display->atom__NET_WM_STATE_STICKY) { if ((action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->on_all_workspaces_requested)) meta_window_stick (window); else meta_window_unstick (window); } return TRUE; } else if (event->xclient.message_type == display->atom_WM_CHANGE_STATE) { meta_verbose ("WM_CHANGE_STATE client message, state: %ld\n", event->xclient.data.l[0]); if (event->xclient.data.l[0] == IconicState && window->has_minimize_func) meta_window_minimize (window); return TRUE; } else if (event->xclient.message_type == display->atom__NET_WM_MOVERESIZE) { int x_root; int y_root; int action; MetaGrabOp op; int button; guint32 timestamp; /* _NET_WM_MOVERESIZE messages are almost certainly going to come from * clients when users click on the fake "frame" that the client has, * thus we should also treat such messages as though it were a * "frame action". */ gboolean const frame_action = TRUE; x_root = event->xclient.data.l[0]; y_root = event->xclient.data.l[1]; action = event->xclient.data.l[2]; button = event->xclient.data.l[3]; /* FIXME: What a braindead protocol; no timestamp?!? */ timestamp = meta_display_get_current_time_roundtrip (display); meta_topic (META_DEBUG_WINDOW_OPS, "Received _NET_WM_MOVERESIZE message on %s, %d,%d action = %d, button %d\n", window->desc, x_root, y_root, action, button); op = META_GRAB_OP_NONE; switch (action) { case _NET_WM_MOVERESIZE_SIZE_TOPLEFT: op = META_GRAB_OP_RESIZING_NW; break; case _NET_WM_MOVERESIZE_SIZE_TOP: op = META_GRAB_OP_RESIZING_N; break; case _NET_WM_MOVERESIZE_SIZE_TOPRIGHT: op = META_GRAB_OP_RESIZING_NE; break; case _NET_WM_MOVERESIZE_SIZE_RIGHT: op = META_GRAB_OP_RESIZING_E; break; case _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT: op = META_GRAB_OP_RESIZING_SE; break; case _NET_WM_MOVERESIZE_SIZE_BOTTOM: op = META_GRAB_OP_RESIZING_S; break; case _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT: op = META_GRAB_OP_RESIZING_SW; break; case _NET_WM_MOVERESIZE_SIZE_LEFT: op = META_GRAB_OP_RESIZING_W; break; case _NET_WM_MOVERESIZE_MOVE: op = META_GRAB_OP_MOVING; break; case _NET_WM_MOVERESIZE_SIZE_KEYBOARD: op = META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN; break; case _NET_WM_MOVERESIZE_MOVE_KEYBOARD: op = META_GRAB_OP_KEYBOARD_MOVING; break; case _NET_WM_MOVERESIZE_CANCEL: /* handled below */ break; default: break; } if (action == _NET_WM_MOVERESIZE_CANCEL) { meta_display_end_grab_op (window->display, timestamp); } else if (op != META_GRAB_OP_NONE && ((window->has_move_func && op == META_GRAB_OP_KEYBOARD_MOVING) || (window->has_resize_func && op == META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN))) { meta_window_begin_grab_op (window, op, frame_action, timestamp); } else if (op != META_GRAB_OP_NONE && ((window->has_move_func && op == META_GRAB_OP_MOVING) || (window->has_resize_func && (op != META_GRAB_OP_MOVING && op != META_GRAB_OP_KEYBOARD_MOVING)))) { int button_mask; meta_topic (META_DEBUG_WINDOW_OPS, "Beginning move/resize with button = %d\n", button); meta_display_begin_grab_op (window->display, window->screen, window, op, FALSE, frame_action, button, 0, timestamp, x_root, y_root); button_mask = query_pressed_buttons (window); if (button == 0) { /* * the button SHOULD already be included in the message */ if ((button_mask & (1 << 1)) != 0) button = 1; else if ((button_mask & (1 << 2)) != 0) button = 2; else if ((button_mask & (1 << 3)) != 0) button = 3; if (button != 0) window->display->grab_button = button; else meta_display_end_grab_op (window->display, timestamp); } else { /* There is a potential race here. If the user presses and * releases their mouse button very fast, it's possible for * both the ButtonPress and ButtonRelease to be sent to the * client before it can get a chance to send _NET_WM_MOVERESIZE * to us. When that happens, we'll become stuck in a grab * state, as we haven't received a ButtonRelease to cancel the * grab. * * We can solve this by querying after we take the explicit * pointer grab -- if the button isn't pressed, we cancel the * drag immediately. */ if ((button_mask & (1 << button)) == 0) meta_display_end_grab_op (window->display, timestamp); } } return TRUE; } else if (event->xclient.message_type == display->atom__NET_MOVERESIZE_WINDOW) { int gravity; guint value_mask; gravity = (event->xclient.data.l[0] & 0xff); value_mask = (event->xclient.data.l[0] & 0xf00) >> 8; /* source = (event->xclient.data.l[0] & 0xf000) >> 12; */ if (gravity == 0) gravity = window->size_hints.win_gravity; meta_window_move_resize_request(window, value_mask, gravity, event->xclient.data.l[1], /* x */ event->xclient.data.l[2], /* y */ event->xclient.data.l[3], /* width */ event->xclient.data.l[4]); /* height */ } else if (event->xclient.message_type == display->atom__NET_ACTIVE_WINDOW) { MetaClientType source_indication; guint32 timestamp; meta_verbose ("_NET_ACTIVE_WINDOW request for window '%s', activating\n", window->desc); source_indication = event->xclient.data.l[0]; timestamp = event->xclient.data.l[1]; if (source_indication > META_CLIENT_TYPE_MAX_RECOGNIZED) source_indication = META_CLIENT_TYPE_UNKNOWN; if (timestamp == 0) { /* Client using older EWMH _NET_ACTIVE_WINDOW without a timestamp */ meta_warning ("Buggy client sent a _NET_ACTIVE_WINDOW message with a " "timestamp of 0 for %s\n", window->desc); timestamp = meta_display_get_current_time (display); } meta_window_activate_full (window, timestamp, source_indication, NULL); return TRUE; } else if (event->xclient.message_type == display->atom__NET_WM_FULLSCREEN_MONITORS) { gulong top, bottom, left, right; meta_verbose ("_NET_WM_FULLSCREEN_MONITORS request for window '%s'\n", window->desc); top = meta_screen_xinerama_index_to_monitor_index (window->screen, event->xclient.data.l[0]); bottom = meta_screen_xinerama_index_to_monitor_index (window->screen, event->xclient.data.l[1]); left = meta_screen_xinerama_index_to_monitor_index (window->screen, event->xclient.data.l[2]); right = meta_screen_xinerama_index_to_monitor_index (window->screen, event->xclient.data.l[3]); /* source_indication = event->xclient.data.l[4]; */ meta_window_update_fullscreen_monitors (window, top, bottom, left, right); } return FALSE; } static void set_wm_state_on_xwindow (MetaDisplay *display, Window xwindow, int state) { unsigned long data[2]; /* Mutter doesn't use icon windows, so data[1] should be None * according to the ICCCM 2.0 Section 4.1.3.1. */ data[0] = state; data[1] = None; meta_error_trap_push (display); XChangeProperty (display->xdisplay, xwindow, display->atom_WM_STATE, display->atom_WM_STATE, 32, PropModeReplace, (guchar*) data, 2); meta_error_trap_pop (display); } void meta_window_x11_set_wm_state (MetaWindow *window) { int state; if (window->withdrawn) state = WithdrawnState; else if (window->iconic) state = IconicState; else state = NormalState; set_wm_state_on_xwindow (window->display, window->xwindow, state); } /* The MUTTER_WM_CLASS_FILTER environment variable is designed for * performance and regression testing environments where we want to do * tests with only a limited set of windows and ignore all other windows * * When it is set to a comma separated list of WM_CLASS class names, all * windows not matching the list will be ignored. * * Returns TRUE if window has been filtered out and should be ignored. */ static gboolean maybe_filter_xwindow (MetaDisplay *display, Window xwindow, gboolean must_be_viewable, XWindowAttributes *attrs) { static char **filter_wm_classes = NULL; static gboolean initialized = FALSE; XClassHint class_hint; gboolean filtered; Status success; int i; if (!initialized) { const char *filter_string = g_getenv ("MUTTER_WM_CLASS_FILTER"); if (filter_string) filter_wm_classes = g_strsplit (filter_string, ",", -1); initialized = TRUE; } if (!filter_wm_classes || !filter_wm_classes[0]) return FALSE; filtered = TRUE; meta_error_trap_push (display); success = XGetClassHint (display->xdisplay, xwindow, &class_hint); if (success) { for (i = 0; filter_wm_classes[i]; i++) { if (strcmp (class_hint.res_class, filter_wm_classes[i]) == 0) { filtered = FALSE; break; } } XFree (class_hint.res_name); XFree (class_hint.res_class); } if (filtered) { /* We want to try and get the window managed by the next WM that come along, * so we need to make sure that windows that are requested to be mapped while * Mutter is running (!must_be_viewable), or windows already viewable at startup * get a non-withdrawn WM_STATE property. Previously unmapped windows are left * with whatever WM_STATE property they had. */ if (!must_be_viewable || attrs->map_state == IsViewable) { gulong old_state; if (!meta_prop_get_cardinal_with_atom_type (display, xwindow, display->atom_WM_STATE, display->atom_WM_STATE, &old_state)) old_state = WithdrawnState; if (old_state == WithdrawnState) set_wm_state_on_xwindow (display, xwindow, NormalState); } /* Make sure filtered windows are hidden from view */ XUnmapWindow (display->xdisplay, xwindow); } meta_error_trap_pop (display); return filtered; } static gboolean is_our_xwindow (MetaDisplay *display, MetaScreen *screen, Window xwindow, XWindowAttributes *attrs) { if (xwindow == screen->no_focus_window) return TRUE; if (xwindow == screen->flash_window) return TRUE; if (xwindow == screen->wm_sn_selection_window) return TRUE; if (xwindow == screen->wm_cm_selection_window) return TRUE; if (xwindow == screen->guard_window) return TRUE; if (display->compositor && xwindow == XCompositeGetOverlayWindow (display->xdisplay, screen->xroot)) return TRUE; /* Any windows created via meta_create_offscreen_window */ if (attrs->override_redirect && attrs->x == -100 && attrs->y == -100 && attrs->width == 1 && attrs->height == 1) return TRUE; return FALSE; } #ifdef WITH_VERBOSE_MODE static const char* wm_state_to_string (int state) { switch (state) { case NormalState: return "NormalState"; case IconicState: return "IconicState"; case WithdrawnState: return "WithdrawnState"; } return "Unknown"; } #endif MetaWindow * meta_window_x11_new (MetaDisplay *display, Window xwindow, gboolean must_be_viewable, MetaCompEffect effect) { XWindowAttributes attrs; MetaScreen *screen = NULL; GSList *tmp; gulong existing_wm_state; MetaWindow *window = NULL; gulong event_mask; meta_verbose ("Attempting to manage 0x%lx\n", xwindow); if (meta_display_xwindow_is_a_no_focus_window (display, xwindow)) { meta_verbose ("Not managing no_focus_window 0x%lx\n", xwindow); return NULL; } meta_error_trap_push (display); /* Push a trap over all of window * creation, to reduce XSync() calls */ /* * This function executes without any server grabs held. This means that * the window could have already gone away, or could go away at any point, * so we must be careful with X error handling. */ if (!XGetWindowAttributes (display->xdisplay, xwindow, &attrs)) { meta_verbose ("Failed to get attributes for window 0x%lx\n", xwindow); goto error; } for (tmp = display->screens; tmp != NULL; tmp = tmp->next) { MetaScreen *scr = tmp->data; if (scr->xroot == attrs.root) { screen = tmp->data; break; } } g_assert (screen); if (is_our_xwindow (display, screen, xwindow, &attrs)) { meta_verbose ("Not managing our own windows\n"); goto error; } if (maybe_filter_xwindow (display, xwindow, must_be_viewable, &attrs)) { meta_verbose ("Not managing filtered window\n"); goto error; } existing_wm_state = WithdrawnState; if (must_be_viewable && attrs.map_state != IsViewable) { /* Only manage if WM_STATE is IconicState or NormalState */ gulong state; /* WM_STATE isn't a cardinal, it's type WM_STATE, but is an int */ if (!(meta_prop_get_cardinal_with_atom_type (display, xwindow, display->atom_WM_STATE, display->atom_WM_STATE, &state) && (state == IconicState || state == NormalState))) { meta_verbose ("Deciding not to manage unmapped or unviewable window 0x%lx\n", xwindow); goto error; } existing_wm_state = state; meta_verbose ("WM_STATE of %lx = %s\n", xwindow, wm_state_to_string (existing_wm_state)); } meta_error_trap_push_with_return (display); /* * XAddToSaveSet can only be called on windows created by a different * client. with Mutter we want to be able to create manageable windows * from within the process (such as a dummy desktop window). As we do not * want this call failing to prevent the window from being managed, we * call this before creating the return-checked error trap. */ XAddToSaveSet (display->xdisplay, xwindow); meta_error_trap_push_with_return (display); event_mask = PropertyChangeMask | ColormapChangeMask; if (attrs.override_redirect) event_mask |= StructureNotifyMask; /* If the window is from this client (a menu, say) we need to augment * the event mask, not replace it. For windows from other clients, * attrs.your_event_mask will be empty at this point. */ XSelectInput (display->xdisplay, xwindow, attrs.your_event_mask | event_mask); { unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 }; XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits }; meta_core_add_old_event_mask (display->xdisplay, xwindow, &mask); XISetMask (mask.mask, XI_Enter); XISetMask (mask.mask, XI_Leave); XISetMask (mask.mask, XI_FocusIn); XISetMask (mask.mask, XI_FocusOut); XISelectEvents (display->xdisplay, xwindow, &mask, 1); } /* Get rid of any borders */ if (attrs.border_width != 0) XSetWindowBorderWidth (display->xdisplay, xwindow, 0); /* Get rid of weird gravities */ if (attrs.win_gravity != NorthWestGravity) { XSetWindowAttributes set_attrs; set_attrs.win_gravity = NorthWestGravity; XChangeWindowAttributes (display->xdisplay, xwindow, CWWinGravity, &set_attrs); } if (meta_error_trap_pop_with_return (display) != Success) { meta_verbose ("Window 0x%lx disappeared just as we tried to manage it\n", xwindow); goto error; } window = _meta_window_shared_new (display, screen, META_WINDOW_CLIENT_TYPE_X11, NULL, xwindow, existing_wm_state, effect, &attrs); meta_window_set_surface_mapped (window, TRUE); meta_error_trap_pop (display); /* pop the XSync()-reducing trap */ return window; error: meta_error_trap_pop (display); return NULL; }