+#undef I3__FILE__
+#define I3__FILE__ "handlers.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
+ *
+ * handlers.c: Small handlers for various events (keypresses, focus changes,
+ * …).
*
*/
-#include <time.h>
+#include "all.h"
-#include <xcb/xcb_atom.h>
+#include <time.h>
+#include <sys/time.h>
#include <xcb/randr.h>
-
#include <X11/XKBlib.h>
+#define SN_API_NOT_YET_FROZEN 1
+#include <libsn/sn-monitor.h>
-#include "all.h"
+int randr_base = -1;
/* After mapping/unmapping windows, a notify event is generated. However, we don’t want it,
since it’d trigger an infinite loop of switching between the different windows when
changing workspaces */
static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events;
-void add_ignore_event(const int sequence) {
+/*
+ * Adds the given sequence to the list of events which are ignored.
+ * If this ignore should only affect a specific response_type, pass
+ * response_type, otherwise, pass -1.
+ *
+ * Every ignored sequence number gets garbage collected after 5 seconds.
+ *
+ */
+void add_ignore_event(const int sequence, const int response_type) {
struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
event->sequence = sequence;
+ event->response_type = response_type;
event->added = time(NULL);
SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
* Checks if the given sequence is ignored and returns true if so.
*
*/
-static bool event_is_ignored(const int sequence) {
+bool event_is_ignored(const int sequence, const int response_type) {
struct Ignore_Event *event;
time_t now = time(NULL);
for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
if (event->sequence != sequence)
continue;
+ if (event->response_type != -1 &&
+ event->response_type != response_type)
+ continue;
+
/* instead of removing a sequence number we better wait until it gets
* garbage collected. it may generate multiple events (there are multiple
* enter_notifies for one configure_request, for example). */
return false;
}
-/*
- * There was a key press. We compare this key code with our bindings table and pass
- * the bound action to parse_command().
- *
- */
-int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
- DLOG("Keypress %d, state raw = %d\n", event->detail, event->state);
-
- /* Remove the numlock bit, all other bits are modifiers we can bind to */
- uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
- DLOG("(removed numlock, state = %d)\n", state_filtered);
- /* Only use the lower 8 bits of the state (modifier masks) so that mouse
- * button masks are filtered out */
- state_filtered &= 0xFF;
- DLOG("(removed upper 8 bits, state = %d)\n", state_filtered);
-
- if (xkb_current_group == XkbGroup2Index)
- state_filtered |= BIND_MODE_SWITCH;
-
- DLOG("(checked mode_switch, state %d)\n", state_filtered);
-
- /* Find the binding */
- Binding *bind = get_binding(state_filtered, event->detail);
-
- /* No match? Then the user has Mode_switch enabled but does not have a
- * specific keybinding. Fall back to the default keybindings (without
- * Mode_switch). Makes it much more convenient for users of a hybrid
- * layout (like us, ru). */
- if (bind == NULL) {
- state_filtered &= ~(BIND_MODE_SWITCH);
- DLOG("no match, new state_filtered = %d\n", state_filtered);
- if ((bind = get_binding(state_filtered, event->detail)) == NULL) {
- ELOG("Could not lookup key binding (modifiers %d, keycode %d)\n",
- state_filtered, event->detail);
- return 1;
- }
- }
-
- parse_cmd(bind->command);
- tree_render();
- return 1;
-}
-
/*
* Called with coordinates of an enter_notify event or motion_notify event
* to check if the user crossed virtual screen boundaries and adjust the
/* Focus the output on which the user moved his cursor */
Con *old_focused = focused;
- con_focus(con_descend_focused(output_get_content(output->con)));
+ Con *next = con_descend_focused(output_get_content(output->con));
+ /* Since we are switching outputs, this *must* be a different workspace, so
+ * call workspace_show() */
+ workspace_show(con_get_workspace(next));
+ con_focus(next);
/* If the focus changed, we re-render to get updated decorations */
if (old_focused != focused)
* When the user moves the mouse pointer onto a window, this callback gets called.
*
*/
-int handle_enter_notify(void *ignored, xcb_connection_t *conn,
- xcb_enter_notify_event_t *event) {
+static void handle_enter_notify(xcb_enter_notify_event_t *event) {
Con *con;
+ last_timestamp = event->time;
+
DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
event->event, event->mode, event->detail, event->sequence);
DLOG("coordinates %d, %d\n", event->event_x, event->event_y);
if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
DLOG("This was not a normal notify, ignoring\n");
- return 1;
+ return;
}
/* Some events are not interesting, because they were not generated
* actively by the user, but by reconfiguration of windows */
- if (event_is_ignored(event->sequence))
- return 1;
+ if (event_is_ignored(event->sequence, XCB_ENTER_NOTIFY)) {
+ DLOG("Event ignored\n");
+ return;
+ }
bool enter_child = false;
/* Get container by frame or by child window */
if (con == NULL) {
DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
check_crossing_screen_boundary(event->root_x, event->root_y);
- return 1;
+ return;
}
if (con->parent->type == CT_DOCKAREA) {
DLOG("Ignoring, this is a dock client\n");
- return 1;
+ return;
}
/* see if the user entered the window on a certain window decoration */
int layout = (enter_child ? con->parent->layout : con->layout);
- Con *child;
- TAILQ_FOREACH(child, &(con->nodes_head), nodes)
- if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
- LOG("using child %p / %s instead!\n", child, child->name);
- con = child;
- break;
- }
-
- /* for stacked/tabbed layout we do not want to change focus when the user
- * enters the window at the decoration of any child window. */
- if (layout == L_STACKED || layout == L_TABBED) {
- con = TAILQ_FIRST(&(con->parent->focus_head));
- LOG("using focused %p / %s instead\n", con, con->name);
+ if (layout == L_DEFAULT) {
+ Con *child;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes)
+ if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
+ LOG("using child %p / %s instead!\n", child, child->name);
+ con = child;
+ break;
+ }
}
#if 0
#endif
if (config.disable_focus_follows_mouse)
- return 1;
+ return;
+ /* Get the currently focused workspace to check if the focus change also
+ * involves changing workspaces. If so, we need to call workspace_show() to
+ * correctly update state and send the IPC event. */
+ Con *ws = con_get_workspace(con);
+ if (ws != con_get_workspace(focused))
+ workspace_show(ws);
+
+ focused_id = XCB_NONE;
con_focus(con_descend_focused(con));
tree_render();
- return 1;
+ return;
}
/*
* and crossing virtual screen boundaries), this callback gets called.
*
*/
-int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notify_event_t *event) {
+static void handle_motion_notify(xcb_motion_notify_event_t *event) {
+
+ last_timestamp = event->time;
+
/* Skip events where the pointer was over a child window, we are only
* interested in events on the root window. */
if (event->child != 0)
- return 1;
+ return;
Con *con;
if ((con = con_by_frame_id(event->event)) == NULL) {
+ DLOG("MotionNotify for an unknown container, checking if it crosses screen boundaries.\n");
check_crossing_screen_boundary(event->root_x, event->root_y);
- return 1;
+ return;
}
if (config.disable_focus_follows_mouse)
- return 1;
+ return;
if (con->layout != L_DEFAULT)
- return 1;
+ return;
/* see over which rect the user is */
Con *current;
/* We found the rect, let’s see if this window is focused */
if (TAILQ_FIRST(&(con->focus_head)) == current)
- return 1;
+ return;
con_focus(current);
x_push_changes(croot);
- return 1;
+ return;
}
- return 1;
+ return;
}
-#if 0
/*
* Called when the keyboard mapping changes (for example by using Xmodmap),
* we need to update our key bindings then (re-translate symbols).
*
*/
-int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_notify_event_t *event) {
- if (event->request != XCB_MAPPING_KEYBOARD &&
- event->request != XCB_MAPPING_MODIFIER)
- return 0;
+static void handle_mapping_notify(xcb_mapping_notify_event_t *event) {
+ if (event->request != XCB_MAPPING_KEYBOARD &&
+ event->request != XCB_MAPPING_MODIFIER)
+ return;
- DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
- xcb_refresh_keyboard_mapping(keysyms, event);
+ DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
+ xcb_refresh_keyboard_mapping(keysyms, event);
- xcb_get_numlock_mask(conn);
+ xcb_numlock_mask = aio_get_mod_mask_for(XCB_NUM_LOCK, keysyms);
- ungrab_all_keys(conn);
- translate_keysyms();
- grab_all_keys(conn, false);
+ ungrab_all_keys(conn);
+ translate_keysyms();
+ grab_all_keys(conn, false);
- return 0;
+ return;
}
-#endif
/*
* A new window appeared on the screen (=was mapped), so let’s manage it.
*
*/
-int handle_map_request(void *prophs, xcb_connection_t *conn, xcb_map_request_event_t *event) {
+static void handle_map_request(xcb_map_request_event_t *event) {
xcb_get_window_attributes_cookie_t cookie;
cookie = xcb_get_window_attributes_unchecked(conn, event->window);
DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
- add_ignore_event(event->sequence);
+ add_ignore_event(event->sequence, -1);
manage_window(event->window, cookie, false);
x_push_changes(croot);
- return 1;
+ return;
}
/*
- * Configure requests are received when the application wants to resize windows on their own.
+ * Configure requests are received when the application wants to resize windows
+ * on their own.
*
- * We generate a synthethic configure notify event to signalize the client its "new" position.
+ * We generate a synthethic configure notify event to signalize the client its
+ * "new" position.
*
*/
-int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure_request_event_t *event) {
+static void handle_configure_request(xcb_configure_request_event_t *event) {
Con *con;
DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
xcb_configure_window(conn, event->window, mask, values);
xcb_flush(conn);
- return 1;
+ return;
}
DLOG("Configure request!\n");
- if (con_is_floating(con) && con_is_leaf(con)) {
+
+ Con *workspace = con_get_workspace(con),
+ *fullscreen = NULL;
+
+ /* There might not be a corresponding workspace for dock cons, therefore we
+ * have to be careful here. */
+ if (workspace) {
+ fullscreen = con_get_fullscreen_con(workspace, CF_OUTPUT);
+ if (!fullscreen)
+ fullscreen = con_get_fullscreen_con(workspace, CF_GLOBAL);
+ }
+
+ if (fullscreen != con && con_is_floating(con) && con_is_leaf(con)) {
/* find the height for the decorations */
- i3Font *font = load_font(conn, config.font);
- int deco_height = font->height + 5;
+ int deco_height = con->deco_rect.height;
/* we actually need to apply the size/position changes to the *parent*
* container */
Rect bsr = con_border_style_rect(con);
bsr.y += deco_height;
bsr.height -= deco_height;
}
- con = con->parent;
- DLOG("Container is a floating leaf node, will do that.\n");
+ Con *floatingcon = con->parent;
+
+ if (strcmp(con_get_workspace(floatingcon)->name, "__i3_scratch") == 0) {
+ DLOG("This is a scratchpad container, ignoring ConfigureRequest\n");
+ return;
+ }
+
+ Rect newrect = floatingcon->rect;
+
if (event->value_mask & XCB_CONFIG_WINDOW_X) {
- con->rect.x = event->x + (-1) * bsr.x;
- DLOG("proposed x = %d, new x is %d\n", event->x, con->rect.x);
+ newrect.x = event->x + (-1) * bsr.x;
+ DLOG("proposed x = %d, new x is %d\n", event->x, newrect.x);
}
if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
- con->rect.y = event->y + (-1) * bsr.y;
- DLOG("proposed y = %d, new y is %d\n", event->y, con->rect.y);
+ newrect.y = event->y + (-1) * bsr.y;
+ DLOG("proposed y = %d, new y is %d\n", event->y, newrect.y);
}
if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
- con->rect.width = event->width + (-1) * bsr.width;
- DLOG("proposed width = %d, new width is %d\n", event->width, con->rect.width);
+ newrect.width = event->width + (-1) * bsr.width;
+ newrect.width += con->border_width * 2;
+ DLOG("proposed width = %d, new width is %d (x11 border %d)\n",
+ event->width, newrect.width, con->border_width);
}
if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
- con->rect.height = event->height + (-1) * bsr.height;
- DLOG("proposed height = %d, new height is %d\n", event->height, con->rect.height);
- }
- tree_render();
- }
-
- fake_absolute_configure_notify(con);
-
- return 1;
-#if 0
- /* Dock clients can be reconfigured in their height */
- if (client->dock) {
- DLOG("Reconfiguring height of this dock client\n");
-
- if (!(event->value_mask & XCB_CONFIG_WINDOW_HEIGHT)) {
- DLOG("Ignoring configure request, no height given\n");
- return 1;
- }
-
- client->desired_height = event->height;
- render_workspace(conn, c_ws->output, c_ws);
- xcb_flush(conn);
-
- return 1;
+ newrect.height = event->height + (-1) * bsr.height;
+ newrect.height += con->border_width * 2;
+ DLOG("proposed height = %d, new height is %d (x11 border %d)\n",
+ event->height, newrect.height, con->border_width);
}
- if (client->fullscreen) {
- DLOG("Client is in fullscreen mode\n");
+ DLOG("Container is a floating leaf node, will do that.\n");
+ floating_reposition(floatingcon, newrect);
+ return;
+ }
- Rect child_rect = client->container->workspace->rect;
- child_rect.x = child_rect.y = 0;
- fake_configure_notify(conn, child_rect, client->child);
+ /* Dock windows can be reconfigured in their height */
+ if (con->parent && con->parent->type == CT_DOCKAREA) {
+ DLOG("Dock window, only height reconfiguration allowed\n");
+ if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
+ DLOG("Height given, changing\n");
- return 1;
+ con->geometry.height = event->height;
+ tree_render();
}
+ }
- fake_absolute_configure_notify(conn, client);
+ fake_absolute_configure_notify(con);
- return 1;
-#endif
+ return;
}
#if 0
* changes the screen configuration in any way (mode, position, …)
*
*/
-int handle_screen_change(void *prophs, xcb_connection_t *conn,
- xcb_generic_event_t *e) {
+static void handle_screen_change(xcb_generic_event_t *e) {
DLOG("RandR screen change\n");
randr_query_outputs();
+ scratchpad_fix_resolution();
+
ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
- return 1;
+ return;
}
/*
* now, so we better clean up before.
*
*/
-int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_notify_event_t *event) {
-
- /* FIXME: we cannot ignore this sequence because more UnmapNotifys with the same sequence
- * numbers but different window IDs may follow */
- /* we need to ignore EnterNotify events which will be generated because a
- * different window is visible now */
- //add_ignore_event(event->sequence);
-
+static void handle_unmap_notify_event(xcb_unmap_notify_event_t *event) {
DLOG("UnmapNotify for 0x%08x (received from 0x%08x), serial %d\n", event->window, event->event, event->sequence);
+ xcb_get_input_focus_cookie_t cookie;
Con *con = con_by_window_id(event->window);
if (con == NULL) {
/* This could also be an UnmapNotify for the frame. We need to
con = con_by_frame_id(event->window);
if (con == NULL) {
LOG("Not a managed window, ignoring UnmapNotify event\n");
- return 1;
+ return;
}
+
if (con->ignore_unmap > 0)
con->ignore_unmap--;
+ /* See the end of this function. */
+ cookie = xcb_get_input_focus(conn);
DLOG("ignore_unmap = %d for frame of container %p\n", con->ignore_unmap, con);
- return 1;
+ goto ignore_end;
}
+ /* See the end of this function. */
+ cookie = xcb_get_input_focus(conn);
+
if (con->ignore_unmap > 0) {
DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
con->ignore_unmap--;
- return 1;
+ goto ignore_end;
}
- tree_close(con, false, false);
+ tree_close(con, DONT_KILL_WINDOW, false, false);
tree_render();
x_push_changes(croot);
- return 1;
-
-#if 0
- if (client == NULL) {
- DLOG("not a managed window. Ignoring.\n");
-
- /* This was most likely the destroyed frame of a client which is
- * currently being unmapped, so we add this sequence (again!) to
- * the ignore list (enter_notify events will get sent for both,
- * the child and its frame). */
- add_ignore_event(event->sequence);
- return 0;
- }
-#endif
-
-
-#if 0
- /* Let’s see how many clients there are left on the workspace to delete it if it’s empty */
- bool workspace_empty = SLIST_EMPTY(&(client->workspace->focus_stack));
- bool workspace_focused = (c_ws == client->workspace);
- Client *to_focus = (!workspace_empty ? SLIST_FIRST(&(client->workspace->focus_stack)) : NULL);
-
- /* If this workspace is currently visible, we don’t delete it */
- if (workspace_is_visible(client->workspace))
- workspace_empty = false;
-
- if (workspace_empty) {
- client->workspace->output = NULL;
- ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
- }
-
- /* Remove the urgency flag if set */
- client->urgent = false;
- workspace_update_urgent_flag(client->workspace);
-
- render_layout(conn);
-#endif
-
- return 1;
+ignore_end:
+ /* If the client (as opposed to i3) destroyed or unmapped a window, an
+ * EnterNotify event will follow (indistinguishable from an EnterNotify
+ * event caused by moving your mouse), causing i3 to set focus to whichever
+ * window is now visible.
+ *
+ * In a complex stacked or tabbed layout (take two v-split containers in a
+ * tabbed container), when the bottom window in tab2 is closed, the bottom
+ * window of tab1 is visible instead. X11 will thus send an EnterNotify
+ * event for the bottom window of tab1, while the focus should be set to
+ * the remaining window of tab2.
+ *
+ * Therefore, we ignore all EnterNotify events which have the same sequence
+ * as an UnmapNotify event. */
+ add_ignore_event(event->sequence, XCB_ENTER_NOTIFY);
+
+ /* Since we just ignored the sequence of this UnmapNotify, we want to make
+ * sure that following events use a different sequence. When putting xterm
+ * into fullscreen and moving the pointer to a different window, without
+ * using GetInputFocus, subsequent (legitimate) EnterNotify events arrived
+ * with the same sequence and thus were ignored (see ticket #609). */
+ free(xcb_get_input_focus_reply(conn, cookie, NULL));
}
/*
* important fields in the event data structure).
*
*/
-int handle_destroy_notify_event(void *data, xcb_connection_t *conn, xcb_destroy_notify_event_t *event) {
+static void handle_destroy_notify_event(xcb_destroy_notify_event_t *event) {
DLOG("destroy notify for 0x%08x, 0x%08x\n", event->event, event->window);
xcb_unmap_notify_event_t unmap;
unmap.event = event->event;
unmap.window = event->window;
- return handle_unmap_notify_event(NULL, conn, &unmap);
+ handle_unmap_notify_event(&unmap);
}
/*
* Called when a window changes its title
*
*/
-int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
+static bool handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
Con *con;
if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
- return 1;
+ return false;
- window_update_name(con->window, prop);
+ window_update_name(con->window, prop, false);
x_push_changes(croot);
- return 1;
+ return true;
}
/*
* window_update_name_legacy().
*
*/
-int handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state,
+static bool handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state,
xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
Con *con;
if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
- return 1;
+ return false;
- window_update_name_legacy(con->window, prop);
+ window_update_name_legacy(con->window, prop, false);
x_push_changes(croot);
- return 1;
+ return true;
+}
+
+/*
+ * Called when a window changes its WM_WINDOW_ROLE.
+ *
+ */
+static bool handle_windowrole_change(void *data, xcb_connection_t *conn, uint8_t state,
+ xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
+ Con *con;
+ if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
+ return false;
+
+ window_update_role(con->window, prop, false);
+
+ return true;
}
+#if 0
/*
* Updates the client’s WM_CLASS property
*
*/
-int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
+static int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
Con *con;
if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
return 1;
- window_update_class(con->window, prop);
+ window_update_class(con->window, prop, false);
return 0;
}
+#endif
/*
* Expose event means we should redraw our windows (= title bar)
*
*/
-int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) {
- Con *parent, *con;
-
- /* event->count is the number of minimum remaining expose events for this
- * window, so we skip all events but the last one */
- if (event->count != 0)
- return 1;
+static void handle_expose_event(xcb_expose_event_t *event) {
+ Con *parent;
DLOG("window = %08x\n", event->window);
if ((parent = con_by_frame_id(event->window)) == NULL) {
LOG("expose event for unknown window, ignoring\n");
- return 1;
- }
-
- if (parent->window)
- x_draw_decoration(parent);
-
- TAILQ_FOREACH(con, &(parent->nodes_head), nodes) {
- DLOG("expose for con %p / %s\n", con, con->name);
- if (con->window)
- x_draw_decoration(con);
+ return;
}
- /* We also need to render the decorations of other Cons nearby the Con
- * itself to not get overlapping decorations */
- TAILQ_FOREACH(con, &(parent->parent->nodes_head), nodes) {
- DLOG("expose for con %p / %s\n", con, con->name);
- if (con->window)
- x_draw_decoration(con);
- }
+ /* Since we render to our pixmap on every change anyways, expose events
+ * only tell us that the X server lost (parts of) the window contents. We
+ * can handle that by copying the appropriate part from our pixmap to the
+ * window. */
+ xcb_copy_area(conn, parent->pixmap, parent->frame, parent->pm_gc,
+ event->x, event->y, event->x, event->y,
+ event->width, event->height);
xcb_flush(conn);
- return 1;
+ return;
}
/*
* Handle client messages (EWMH)
*
*/
-int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) {
+static void handle_client_message(xcb_client_message_event_t *event) {
+ /* If this is a startup notification ClientMessage, the library will handle
+ * it and call our monitor_event() callback. */
+ if (sn_xcb_display_process_event(sndisplay, (xcb_generic_event_t*)event))
+ return;
+
LOG("ClientMessage for window 0x%08x\n", event->window);
- if (event->type == atoms[_NET_WM_STATE]) {
- if (event->format != 32 || event->data.data32[1] != atoms[_NET_WM_STATE_FULLSCREEN]) {
+ if (event->type == A__NET_WM_STATE) {
+ if (event->format != 32 || event->data.data32[1] != A__NET_WM_STATE_FULLSCREEN) {
DLOG("atom in clientmessage is %d, fullscreen is %d\n",
- event->data.data32[1], atoms[_NET_WM_STATE_FULLSCREEN]);
+ event->data.data32[1], A__NET_WM_STATE_FULLSCREEN);
DLOG("not about fullscreen atom\n");
- return 0;
+ return;
}
Con *con = con_by_window_id(event->window);
if (con == NULL) {
DLOG("Could not get window for client message\n");
- return 0;
+ return;
}
/* Check if the fullscreen state should be toggled */
(event->data.data32[0] == _NET_WM_STATE_ADD ||
event->data.data32[0] == _NET_WM_STATE_TOGGLE))) {
DLOG("toggling fullscreen\n");
- con_toggle_fullscreen(con);
+ con_toggle_fullscreen(con, CF_OUTPUT);
}
tree_render();
- x_push_changes(croot);
+ } else if (event->type == A__NET_ACTIVE_WINDOW) {
+ DLOG("_NET_ACTIVE_WINDOW: Window 0x%08x should be activated\n", event->window);
+ Con *con = con_by_window_id(event->window);
+ if (con == NULL) {
+ DLOG("Could not get window for client message\n");
+ return;
+ }
+
+ Con *ws = con_get_workspace(con);
+ if (!workspace_is_visible(ws)) {
+ DLOG("Workspace not visible, ignoring _NET_ACTIVE_WINDOW\n");
+ return;
+ }
+
+ if (ws != con_get_workspace(focused))
+ workspace_show(ws);
+
+ con_focus(con);
+ tree_render();
+ } else if (event->type == A_I3_SYNC) {
+ xcb_window_t window = event->data.data32[0];
+ uint32_t rnd = event->data.data32[1];
+ DLOG("[i3 sync protocol] Sending random value %d back to X11 window 0x%08x\n", rnd, window);
+
+ void *reply = scalloc(32);
+ xcb_client_message_event_t *ev = reply;
+
+ ev->response_type = XCB_CLIENT_MESSAGE;
+ ev->window = window;
+ ev->type = A_I3_SYNC;
+ ev->format = 32;
+ ev->data.data32[0] = window;
+ ev->data.data32[1] = rnd;
+
+ xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char*)ev);
+ xcb_flush(conn);
+ free(reply);
} else {
- ELOG("unhandled clientmessage\n");
- return 0;
+ DLOG("unhandled clientmessage\n");
+ return;
}
-
- return 1;
}
#if 0
* See ICCCM 4.1.2.3 for more details
*
*/
-int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+static bool handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t name, xcb_get_property_reply_t *reply) {
Con *con = con_by_window_id(window);
if (con == NULL) {
DLOG("Received WM_NORMAL_HINTS for unknown client\n");
- return 1;
+ return false;
}
xcb_size_hints_t size_hints;
/* If the hints were already in this event, use them, if not, request them */
if (reply != NULL)
- xcb_get_wm_size_hints_from_reply(&size_hints, reply);
+ xcb_icccm_get_wm_size_hints_from_reply(&size_hints, reply);
else
- xcb_get_wm_normal_hints_reply(conn, xcb_get_wm_normal_hints_unchecked(conn, con->window->id), &size_hints, NULL);
+ xcb_icccm_get_wm_normal_hints_reply(conn, xcb_icccm_get_wm_normal_hints_unchecked(conn, con->window->id), &size_hints, NULL);
- if ((size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE)) {
+ if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE)) {
// TODO: Minimum size is not yet implemented
DLOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height);
}
bool changed = false;
- if ((size_hints.flags & XCB_SIZE_HINT_P_RESIZE_INC)) {
+ if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC)) {
if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF)
if (con->width_increment != size_hints.width_inc) {
con->width_increment = size_hints.width_inc;
/* base_width/height are the desired size of the window.
We check if either the program-specified size or the program-specified
min-size is available */
- if (size_hints.flags & XCB_SIZE_HINT_BASE_SIZE) {
+ if (size_hints.flags & XCB_ICCCM_SIZE_HINT_BASE_SIZE) {
base_width = size_hints.base_width;
base_height = size_hints.base_height;
- } else if (size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
+ } else if (size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE) {
/* TODO: is this right? icccm says not */
base_width = size_hints.min_width;
base_height = size_hints.min_height;
con->base_height = base_height;
DLOG("client's base_height changed to %d\n", base_height);
DLOG("client's base_width changed to %d\n", base_width);
+ changed = true;
}
/* If no aspect ratio was set or if it was invalid, we ignore the hints */
- if (!(size_hints.flags & XCB_SIZE_HINT_P_ASPECT) ||
+ if (!(size_hints.flags & XCB_ICCCM_SIZE_HINT_P_ASPECT) ||
(size_hints.min_aspect_num <= 0) ||
(size_hints.min_aspect_den <= 0)) {
goto render_and_return;
/* Check if we need to set proportional_* variables using the correct ratio */
if ((width / height) < min_aspect) {
- con->proportional_width = width;
- con->proportional_height = width / min_aspect;
+ if (con->proportional_width != width ||
+ con->proportional_height != (width / min_aspect)) {
+ con->proportional_width = width;
+ con->proportional_height = width / min_aspect;
+ changed = true;
+ }
} else if ((width / height) > max_aspect) {
- con->proportional_width = width;
- con->proportional_height = width / max_aspect;
+ if (con->proportional_width != width ||
+ con->proportional_height != (width / max_aspect)) {
+ con->proportional_width = width;
+ con->proportional_height = width / max_aspect;
+ changed = true;
+ }
} else goto render_and_return;
render_and_return:
- tree_render();
- return 1;
+ if (changed)
+ tree_render();
+ FREE(reply);
+ return true;
}
/*
* Handles the WM_HINTS property for extracting the urgency state of the window.
*
*/
-int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+static bool handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t name, xcb_get_property_reply_t *reply) {
Con *con = con_by_window_id(window);
if (con == NULL) {
DLOG("Received WM_HINTS for unknown client\n");
- return 1;
+ return false;
}
- xcb_wm_hints_t hints;
+ xcb_icccm_wm_hints_t hints;
- if (reply != NULL) {
- if (!xcb_get_wm_hints_from_reply(&hints, reply))
- return 1;
- } else {
- if (!xcb_get_wm_hints_reply(conn, xcb_get_wm_hints_unchecked(conn, con->window->id), &hints, NULL))
- return 1;
- }
+ if (reply == NULL)
+ if (!(reply = xcb_get_property_reply(conn, xcb_icccm_get_wm_hints(conn, window), NULL)))
+ return false;
+
+ if (!xcb_icccm_get_wm_hints_from_reply(&hints, reply))
+ return false;
if (!con->urgent && focused == con) {
DLOG("Ignoring urgency flag for current client\n");
- return 1;
+ con->window->urgent.tv_sec = 0;
+ con->window->urgent.tv_usec = 0;
+ goto end;
}
/* Update the flag on the client directly */
- con->urgent = (xcb_wm_hints_get_urgency(&hints) != 0);
+ bool hint_urgent = (xcb_icccm_wm_hints_get_urgency(&hints) != 0);
+
+ if (con->urgency_timer == NULL) {
+ con->urgent = hint_urgent;
+ } else
+ DLOG("Discarding urgency WM_HINT because timer is running\n");
+
//CLIENT_LOG(con);
+ if (con->window) {
+ if (con->urgent) {
+ gettimeofday(&con->window->urgent, NULL);
+ } else {
+ con->window->urgent.tv_sec = 0;
+ con->window->urgent.tv_usec = 0;
+ }
+ }
+
+ con_update_parents_urgency(con);
+
LOG("Urgency flag changed to %d\n", con->urgent);
- workspace_update_urgent_flag(con_get_workspace(con));
+ Con *ws;
+ /* Set the urgency flag on the workspace, if a workspace could be found
+ * (for dock clients, that is not the case). */
+ if ((ws = con_get_workspace(con)) != NULL)
+ workspace_update_urgent_flag(ws);
-#if 0
- /* If the workspace this client is on is not visible, we need to redraw
- * the workspace bar */
- if (!workspace_is_visible(client->workspace)) {
- Output *output = client->workspace->output;
- render_workspace(conn, output, output->current_workspace);
- xcb_flush(conn);
- }
-#endif
+ tree_render();
- return 1;
+end:
+ if (con->window)
+ window_update_hints(con->window, reply);
+ else free(reply);
+ return true;
}
/*
* See ICCCM 4.1.2.6 for more details
*
*/
-int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+static bool handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t name, xcb_get_property_reply_t *prop) {
Con *con;
if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
DLOG("No such window\n");
- return 1;
+ return false;
}
if (prop == NULL) {
prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
- false, window, WM_TRANSIENT_FOR, WINDOW, 0, 32), NULL);
+ false, window, XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 0, 32), NULL);
if (prop == NULL)
- return 1;
+ return false;
}
window_update_transient_for(con->window, prop);
- // TODO: put window in floating mode if con->window->transient_for != XCB_NONE:
-#if 0
- if (client->floating == FLOATING_AUTO_OFF) {
- DLOG("This is a popup window, putting into floating\n");
- toggle_floating_mode(conn, client, true);
- }
-#endif
-
- return 1;
+ return true;
}
/*
* toolwindow (or similar) and to which window it belongs (logical parent).
*
*/
-int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+static bool handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t name, xcb_get_property_reply_t *prop) {
Con *con;
if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
- return 1;
+ return false;
if (prop == NULL) {
prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
- false, window, WM_CLIENT_LEADER, WINDOW, 0, 32), NULL);
+ false, window, A_WM_CLIENT_LEADER, XCB_ATOM_WINDOW, 0, 32), NULL);
if (prop == NULL)
- return 1;
+ return false;
}
window_update_leader(con->window, prop);
- return 1;
+ return true;
+}
+
+/*
+ * Handles FocusIn events which are generated by clients (i3’s focus changes
+ * don’t generate FocusIn events due to a different EventMask) and updates the
+ * decorations accordingly.
+ *
+ */
+static void handle_focus_in(xcb_focus_in_event_t *event) {
+ DLOG("focus change in, for window 0x%08x\n", event->event);
+ Con *con;
+ if ((con = con_by_window_id(event->event)) == NULL || con->window == NULL)
+ return;
+ DLOG("That is con %p / %s\n", con, con->name);
+
+ if (event->mode == XCB_NOTIFY_MODE_GRAB ||
+ event->mode == XCB_NOTIFY_MODE_UNGRAB) {
+ DLOG("FocusIn event for grab/ungrab, ignoring\n");
+ return;
+ }
+
+ if (event->detail == XCB_NOTIFY_DETAIL_POINTER) {
+ DLOG("notify detail is pointer, ignoring this event\n");
+ return;
+ }
+
+ if (focused_id == event->event) {
+ DLOG("focus matches the currently focused window, not doing anything\n");
+ return;
+ }
+
+ /* Skip dock clients, they cannot get the i3 focus. */
+ if (con->parent->type == CT_DOCKAREA) {
+ DLOG("This is a dock client, not focusing.\n");
+ return;
+ }
+
+ DLOG("focus is different, updating decorations\n");
+
+ /* Get the currently focused workspace to check if the focus change also
+ * involves changing workspaces. If so, we need to call workspace_show() to
+ * correctly update state and send the IPC event. */
+ Con *ws = con_get_workspace(con);
+ if (ws != con_get_workspace(focused))
+ workspace_show(ws);
+
+ con_focus(con);
+ /* We update focused_id because we don’t need to set focus again */
+ focused_id = event->event;
+ x_push_changes(croot);
+ return;
+}
+
+/* Returns false if the event could not be processed (e.g. the window could not
+ * be found), true otherwise */
+typedef bool (*cb_property_handler_t)(void *data, xcb_connection_t *c, uint8_t state, xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *property);
+
+struct property_handler_t {
+ xcb_atom_t atom;
+ uint32_t long_len;
+ cb_property_handler_t cb;
+};
+
+static struct property_handler_t property_handlers[] = {
+ { 0, 128, handle_windowname_change },
+ { 0, UINT_MAX, handle_hints },
+ { 0, 128, handle_windowname_change_legacy },
+ { 0, UINT_MAX, handle_normal_hints },
+ { 0, UINT_MAX, handle_clientleader_change },
+ { 0, UINT_MAX, handle_transient_for },
+ { 0, 128, handle_windowrole_change }
+};
+#define NUM_HANDLERS (sizeof(property_handlers) / sizeof(struct property_handler_t))
+
+/*
+ * Sets the appropriate atoms for the property handlers after the atoms were
+ * received from X11
+ *
+ */
+void property_handlers_init(void) {
+
+ sn_monitor_context_new(sndisplay, conn_screen, startup_monitor_event, NULL, NULL);
+
+ property_handlers[0].atom = A__NET_WM_NAME;
+ property_handlers[1].atom = XCB_ATOM_WM_HINTS;
+ property_handlers[2].atom = XCB_ATOM_WM_NAME;
+ property_handlers[3].atom = XCB_ATOM_WM_NORMAL_HINTS;
+ property_handlers[4].atom = A_WM_CLIENT_LEADER;
+ property_handlers[5].atom = XCB_ATOM_WM_TRANSIENT_FOR;
+ property_handlers[6].atom = A_WM_WINDOW_ROLE;
+}
+
+static void property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom) {
+ struct property_handler_t *handler = NULL;
+ xcb_get_property_reply_t *propr = NULL;
+
+ for (int c = 0; c < sizeof(property_handlers) / sizeof(struct property_handler_t); c++) {
+ if (property_handlers[c].atom != atom)
+ continue;
+
+ handler = &property_handlers[c];
+ break;
+ }
+
+ if (handler == NULL) {
+ //DLOG("Unhandled property notify for atom %d (0x%08x)\n", atom, atom);
+ return;
+ }
+
+ if (state != XCB_PROPERTY_DELETE) {
+ xcb_get_property_cookie_t cookie = xcb_get_property(conn, 0, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, handler->long_len);
+ propr = xcb_get_property_reply(conn, cookie, 0);
+ }
+
+ /* the handler will free() the reply unless it returns false */
+ if (!handler->cb(NULL, conn, state, window, atom, propr))
+ FREE(propr);
+}
+
+/*
+ * Takes an xcb_generic_event_t and calls the appropriate handler, based on the
+ * event type.
+ *
+ */
+void handle_event(int type, xcb_generic_event_t *event) {
+ if (randr_base > -1 &&
+ type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) {
+ handle_screen_change(event);
+ return;
+ }
+
+ switch (type) {
+ case XCB_KEY_PRESS:
+ case XCB_KEY_RELEASE:
+ handle_key_press((xcb_key_press_event_t*)event);
+ break;
+
+ case XCB_BUTTON_PRESS:
+ handle_button_press((xcb_button_press_event_t*)event);
+ break;
+
+ case XCB_MAP_REQUEST:
+ handle_map_request((xcb_map_request_event_t*)event);
+ break;
+
+ case XCB_UNMAP_NOTIFY:
+ handle_unmap_notify_event((xcb_unmap_notify_event_t*)event);
+ break;
+
+ case XCB_DESTROY_NOTIFY:
+ handle_destroy_notify_event((xcb_destroy_notify_event_t*)event);
+ break;
+
+ case XCB_EXPOSE:
+ handle_expose_event((xcb_expose_event_t*)event);
+ break;
+
+ case XCB_MOTION_NOTIFY:
+ handle_motion_notify((xcb_motion_notify_event_t*)event);
+ break;
+
+ /* Enter window = user moved his mouse over the window */
+ case XCB_ENTER_NOTIFY:
+ handle_enter_notify((xcb_enter_notify_event_t*)event);
+ break;
+
+ /* Client message are sent to the root window. The only interesting
+ * client message for us is _NET_WM_STATE, we honour
+ * _NET_WM_STATE_FULLSCREEN */
+ case XCB_CLIENT_MESSAGE:
+ handle_client_message((xcb_client_message_event_t*)event);
+ break;
+
+ /* Configure request = window tried to change size on its own */
+ case XCB_CONFIGURE_REQUEST:
+ handle_configure_request((xcb_configure_request_event_t*)event);
+ break;
+
+ /* Mapping notify = keyboard mapping changed (Xmodmap), re-grab bindings */
+ case XCB_MAPPING_NOTIFY:
+ handle_mapping_notify((xcb_mapping_notify_event_t*)event);
+ break;
+
+ case XCB_FOCUS_IN:
+ handle_focus_in((xcb_focus_in_event_t*)event);
+ break;
+
+ case XCB_PROPERTY_NOTIFY: {
+ xcb_property_notify_event_t *e = (xcb_property_notify_event_t*)event;
+ last_timestamp = e->time;
+ property_notify(e->state, e->window, e->atom);
+ break;
+ }
+
+ default:
+ //DLOG("Unhandled event of type %d\n", type);
+ break;
+ }
}