1356 lines
47 KiB
C
1356 lines
47 KiB
C
#undef I3__FILE__
|
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#define I3__FILE__ "handlers.c"
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/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* handlers.c: Small handlers for various events (keypresses, focus changes,
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* …).
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*
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*/
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#include "all.h"
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#include <time.h>
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#include <float.h>
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#include <sys/time.h>
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#include <xcb/randr.h>
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#include <X11/XKBlib.h>
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#define SN_API_NOT_YET_FROZEN 1
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#include <libsn/sn-monitor.h>
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int randr_base = -1;
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int xkb_base = -1;
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int xkb_current_group;
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/* After mapping/unmapping windows, a notify event is generated. However, we don’t want it,
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since it’d trigger an infinite loop of switching between the different windows when
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changing workspaces */
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static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events;
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/*
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* Adds the given sequence to the list of events which are ignored.
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* If this ignore should only affect a specific response_type, pass
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* response_type, otherwise, pass -1.
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*
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* Every ignored sequence number gets garbage collected after 5 seconds.
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*
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*/
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void add_ignore_event(const int sequence, const int response_type) {
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struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
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event->sequence = sequence;
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event->response_type = response_type;
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event->added = time(NULL);
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SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
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}
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/*
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* Checks if the given sequence is ignored and returns true if so.
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*
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*/
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bool event_is_ignored(const int sequence, const int response_type) {
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struct Ignore_Event *event;
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time_t now = time(NULL);
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for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
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if ((now - event->added) > 5) {
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struct Ignore_Event *save = event;
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event = SLIST_NEXT(event, ignore_events);
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SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events);
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free(save);
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} else
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event = SLIST_NEXT(event, ignore_events);
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}
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SLIST_FOREACH(event, &ignore_events, ignore_events) {
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if (event->sequence != sequence)
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continue;
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if (event->response_type != -1 &&
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event->response_type != response_type)
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continue;
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/* instead of removing a sequence number we better wait until it gets
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* garbage collected. it may generate multiple events (there are multiple
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* enter_notifies for one configure_request, for example). */
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//SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events);
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//free(event);
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return true;
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}
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return false;
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}
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/*
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* Called with coordinates of an enter_notify event or motion_notify event
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* to check if the user crossed virtual screen boundaries and adjust the
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* current workspace, if so.
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*
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*/
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static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
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Output *output;
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/* If the user disable focus follows mouse, we have nothing to do here */
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if (config.disable_focus_follows_mouse)
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return;
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if ((output = get_output_containing(x, y)) == NULL) {
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ELOG("ERROR: No such screen\n");
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return;
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}
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if (output->con == NULL) {
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ELOG("ERROR: The screen is not recognized by i3 (no container associated)\n");
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return;
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}
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/* Focus the output on which the user moved their cursor */
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Con *old_focused = focused;
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Con *next = con_descend_focused(output_get_content(output->con));
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/* Since we are switching outputs, this *must* be a different workspace, so
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* call workspace_show() */
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workspace_show(con_get_workspace(next));
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con_focus(next);
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/* If the focus changed, we re-render to get updated decorations */
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if (old_focused != focused)
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tree_render();
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}
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/*
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* When the user moves the mouse pointer onto a window, this callback gets called.
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*
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*/
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static void handle_enter_notify(xcb_enter_notify_event_t *event) {
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Con *con;
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last_timestamp = event->time;
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DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
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event->event, event->mode, event->detail, event->sequence);
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DLOG("coordinates %d, %d\n", event->event_x, event->event_y);
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if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
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DLOG("This was not a normal notify, ignoring\n");
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return;
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}
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/* Some events are not interesting, because they were not generated
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* actively by the user, but by reconfiguration of windows */
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if (event_is_ignored(event->sequence, XCB_ENTER_NOTIFY)) {
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DLOG("Event ignored\n");
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return;
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}
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bool enter_child = false;
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/* Get container by frame or by child window */
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if ((con = con_by_frame_id(event->event)) == NULL) {
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con = con_by_window_id(event->event);
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enter_child = true;
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}
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/* If not, then the user moved their cursor to the root window. In that case, we adjust c_ws */
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if (con == NULL) {
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DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
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check_crossing_screen_boundary(event->root_x, event->root_y);
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return;
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}
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if (con->parent->type == CT_DOCKAREA) {
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DLOG("Ignoring, this is a dock client\n");
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return;
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}
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/* see if the user entered the window on a certain window decoration */
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layout_t layout = (enter_child ? con->parent->layout : con->layout);
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if (layout == L_DEFAULT) {
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Con *child;
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TAILQ_FOREACH(child, &(con->nodes_head), nodes)
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if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
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LOG("using child %p / %s instead!\n", child, child->name);
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con = child;
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break;
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}
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}
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#if 0
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if (client->workspace != c_ws && client->workspace->output == c_ws->output) {
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/* This can happen when a client gets assigned to a different workspace than
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* the current one (see src/mainx.c:reparent_window). Shortly after it was created,
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* an enter_notify will follow. */
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DLOG("enter_notify for a client on a different workspace but the same screen, ignoring\n");
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return 1;
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}
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#endif
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if (config.disable_focus_follows_mouse)
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return;
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/* if this container is already focused, there is nothing to do. */
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if (con == focused)
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return;
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/* Get the currently focused workspace to check if the focus change also
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* involves changing workspaces. If so, we need to call workspace_show() to
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* correctly update state and send the IPC event. */
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Con *ws = con_get_workspace(con);
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if (ws != con_get_workspace(focused))
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workspace_show(ws);
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focused_id = XCB_NONE;
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con_focus(con_descend_focused(con));
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tree_render();
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return;
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}
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/*
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* When the user moves the mouse but does not change the active window
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* (e.g. when having no windows opened but moving mouse on the root screen
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* and crossing virtual screen boundaries), this callback gets called.
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*
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*/
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static void handle_motion_notify(xcb_motion_notify_event_t *event) {
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last_timestamp = event->time;
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/* Skip events where the pointer was over a child window, we are only
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* interested in events on the root window. */
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if (event->child != 0)
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return;
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Con *con;
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if ((con = con_by_frame_id(event->event)) == NULL) {
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DLOG("MotionNotify for an unknown container, checking if it crosses screen boundaries.\n");
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check_crossing_screen_boundary(event->root_x, event->root_y);
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return;
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}
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if (config.disable_focus_follows_mouse)
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return;
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if (con->layout != L_DEFAULT)
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return;
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/* see over which rect the user is */
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Con *current;
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TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
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if (!rect_contains(current->deco_rect, event->event_x, event->event_y))
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continue;
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/* We found the rect, let’s see if this window is focused */
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if (TAILQ_FIRST(&(con->focus_head)) == current)
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return;
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con_focus(current);
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x_push_changes(croot);
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return;
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}
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return;
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}
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/*
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* Called when the keyboard mapping changes (for example by using Xmodmap),
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* we need to update our key bindings then (re-translate symbols).
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*
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*/
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static void handle_mapping_notify(xcb_mapping_notify_event_t *event) {
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if (event->request != XCB_MAPPING_KEYBOARD &&
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event->request != XCB_MAPPING_MODIFIER)
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return;
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DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
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xcb_refresh_keyboard_mapping(keysyms, event);
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xcb_numlock_mask = aio_get_mod_mask_for(XCB_NUM_LOCK, keysyms);
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ungrab_all_keys(conn);
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translate_keysyms();
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grab_all_keys(conn, false);
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return;
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}
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/*
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* A new window appeared on the screen (=was mapped), so let’s manage it.
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*
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*/
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static void handle_map_request(xcb_map_request_event_t *event) {
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xcb_get_window_attributes_cookie_t cookie;
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cookie = xcb_get_window_attributes_unchecked(conn, event->window);
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DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
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add_ignore_event(event->sequence, -1);
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manage_window(event->window, cookie, false);
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return;
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}
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/*
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* Configure requests are received when the application wants to resize windows
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* on their own.
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*
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* We generate a synthethic configure notify event to signalize the client its
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* "new" position.
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*
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*/
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static void handle_configure_request(xcb_configure_request_event_t *event) {
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Con *con;
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DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
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event->window, event->x, event->y, event->width, event->height);
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/* For unmanaged windows, we just execute the configure request. As soon as
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* it gets mapped, we will take over anyways. */
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if ((con = con_by_window_id(event->window)) == NULL) {
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DLOG("Configure request for unmanaged window, can do that.\n");
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uint32_t mask = 0;
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uint32_t values[7];
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int c = 0;
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#define COPY_MASK_MEMBER(mask_member, event_member) \
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do { \
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if (event->value_mask & mask_member) { \
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mask |= mask_member; \
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values[c++] = event->event_member; \
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} \
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} while (0)
|
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|
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COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
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COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
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COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
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COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
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COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
|
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COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
|
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COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
|
||
|
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xcb_configure_window(conn, event->window, mask, values);
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xcb_flush(conn);
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||
|
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return;
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}
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|
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DLOG("Configure request!\n");
|
||
|
||
Con *workspace = con_get_workspace(con),
|
||
*fullscreen = NULL;
|
||
|
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/* 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);
|
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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 */
|
||
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);
|
||
if (con->border_style == BS_NORMAL) {
|
||
bsr.y += deco_height;
|
||
bsr.height -= deco_height;
|
||
}
|
||
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) {
|
||
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) {
|
||
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) {
|
||
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) {
|
||
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);
|
||
}
|
||
|
||
DLOG("Container is a floating leaf node, will do that.\n");
|
||
floating_reposition(floatingcon, newrect);
|
||
return;
|
||
}
|
||
|
||
/* 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");
|
||
|
||
con->geometry.height = event->height;
|
||
tree_render();
|
||
}
|
||
}
|
||
|
||
fake_absolute_configure_notify(con);
|
||
|
||
return;
|
||
}
|
||
#if 0
|
||
|
||
/*
|
||
* Configuration notifies are only handled because we need to set up ignore for
|
||
* the following enter notify events.
|
||
*
|
||
*/
|
||
int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event) {
|
||
DLOG("configure_event, sequence %d\n", event->sequence);
|
||
/* We ignore this sequence twice because events for child and frame should be ignored */
|
||
add_ignore_event(event->sequence);
|
||
add_ignore_event(event->sequence);
|
||
|
||
return 1;
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
* Gets triggered upon a RandR screen change event, that is when the user
|
||
* changes the screen configuration in any way (mode, position, …)
|
||
*
|
||
*/
|
||
static void handle_screen_change(xcb_generic_event_t *e) {
|
||
DLOG("RandR screen change\n");
|
||
|
||
/* The geometry of the root window is used for “fullscreen global” and
|
||
* changes when new outputs are added. */
|
||
xcb_get_geometry_cookie_t cookie = xcb_get_geometry(conn, root);
|
||
xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(conn, cookie, NULL);
|
||
if (reply == NULL) {
|
||
ELOG("Could not get geometry of the root window, exiting\n");
|
||
exit(1);
|
||
}
|
||
DLOG("root geometry reply: (%d, %d) %d x %d\n", reply->x, reply->y, reply->width, reply->height);
|
||
|
||
croot->rect.width = reply->width;
|
||
croot->rect.height = reply->height;
|
||
|
||
randr_query_outputs();
|
||
|
||
scratchpad_fix_resolution();
|
||
|
||
ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
|
||
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* Our window decorations were unmapped. That means, the window will be killed
|
||
* now, so we better clean up before.
|
||
*
|
||
*/
|
||
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
|
||
* decrement the ignore_unmap counter. */
|
||
con = con_by_frame_id(event->window);
|
||
if (con == NULL) {
|
||
LOG("Not a managed window, ignoring UnmapNotify event\n");
|
||
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);
|
||
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--;
|
||
goto ignore_end;
|
||
}
|
||
|
||
tree_close(con, DONT_KILL_WINDOW, false, false);
|
||
tree_render();
|
||
|
||
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));
|
||
}
|
||
|
||
/*
|
||
* A destroy notify event is sent when the window is not unmapped, but
|
||
* immediately destroyed (for example when starting a window and immediately
|
||
* killing the program which started it).
|
||
*
|
||
* We just pass on the event to the unmap notify handler (by copying the
|
||
* important fields in the event data structure).
|
||
*
|
||
*/
|
||
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.sequence = event->sequence;
|
||
unmap.event = event->event;
|
||
unmap.window = event->window;
|
||
|
||
handle_unmap_notify_event(&unmap);
|
||
}
|
||
|
||
static bool window_name_changed(i3Window *window, char *old_name) {
|
||
if ((old_name == NULL) && (window->name == NULL))
|
||
return false;
|
||
|
||
/* Either the old or the new one is NULL, but not both. */
|
||
if ((old_name == NULL) ^ (window->name == NULL))
|
||
return true;
|
||
|
||
return (strcmp(old_name, i3string_as_utf8(window->name)) != 0);
|
||
}
|
||
|
||
/*
|
||
* Called when a window changes its title
|
||
*
|
||
*/
|
||
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 false;
|
||
|
||
char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
|
||
|
||
window_update_name(con->window, prop, false);
|
||
|
||
x_push_changes(croot);
|
||
|
||
if (window_name_changed(con->window, old_name))
|
||
ipc_send_window_event("title", con);
|
||
|
||
FREE(old_name);
|
||
|
||
return true;
|
||
}
|
||
|
||
/*
|
||
* Handles legacy window name updates (WM_NAME), see also src/window.c,
|
||
* window_update_name_legacy().
|
||
*
|
||
*/
|
||
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 false;
|
||
|
||
char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
|
||
|
||
window_update_name_legacy(con->window, prop, false);
|
||
|
||
x_push_changes(croot);
|
||
|
||
if (window_name_changed(con->window, old_name))
|
||
ipc_send_window_event("title", con);
|
||
|
||
FREE(old_name);
|
||
|
||
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
|
||
*
|
||
*/
|
||
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, false);
|
||
|
||
return 0;
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
* Expose event means we should redraw our windows (= title bar)
|
||
*
|
||
*/
|
||
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;
|
||
}
|
||
|
||
/* 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;
|
||
}
|
||
|
||
#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 /* movement only */
|
||
#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
|
||
#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
|
||
#define _NET_WM_MOVERESIZE_CANCEL 11 /* cancel operation */
|
||
|
||
/*
|
||
* Handle client messages (EWMH)
|
||
*
|
||
*/
|
||
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 == A__NET_WM_STATE) {
|
||
if (event->format != 32 ||
|
||
(event->data.data32[1] != A__NET_WM_STATE_FULLSCREEN &&
|
||
event->data.data32[1] != A__NET_WM_STATE_DEMANDS_ATTENTION)) {
|
||
DLOG("Unknown atom in clientmessage of type %d\n", event->data.data32[1]);
|
||
return;
|
||
}
|
||
|
||
Con *con = con_by_window_id(event->window);
|
||
if (con == NULL) {
|
||
DLOG("Could not get window for client message\n");
|
||
return;
|
||
}
|
||
|
||
if (event->data.data32[1] == A__NET_WM_STATE_FULLSCREEN) {
|
||
/* Check if the fullscreen state should be toggled */
|
||
if ((con->fullscreen_mode != CF_NONE &&
|
||
(event->data.data32[0] == _NET_WM_STATE_REMOVE ||
|
||
event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
|
||
(con->fullscreen_mode == CF_NONE &&
|
||
(event->data.data32[0] == _NET_WM_STATE_ADD ||
|
||
event->data.data32[0] == _NET_WM_STATE_TOGGLE))) {
|
||
DLOG("toggling fullscreen\n");
|
||
con_toggle_fullscreen(con, CF_OUTPUT);
|
||
}
|
||
} else if (event->data.data32[1] == A__NET_WM_STATE_DEMANDS_ATTENTION) {
|
||
/* Check if the urgent flag must be set or not */
|
||
if (event->data.data32[0] == _NET_WM_STATE_ADD)
|
||
con_set_urgency(con, true);
|
||
else if (event->data.data32[0] == _NET_WM_STATE_REMOVE)
|
||
con_set_urgency(con, false);
|
||
else if (event->data.data32[0] == _NET_WM_STATE_TOGGLE)
|
||
con_set_urgency(con, !con->urgent);
|
||
}
|
||
|
||
tree_render();
|
||
} else if (event->type == A__NET_ACTIVE_WINDOW) {
|
||
if (event->format != 32)
|
||
return;
|
||
|
||
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 (ws == NULL) {
|
||
DLOG("Window is not being managed, ignoring _NET_ACTIVE_WINDOW\n");
|
||
return;
|
||
}
|
||
|
||
if (con_is_internal(ws)) {
|
||
DLOG("Workspace is internal, ignoring _NET_ACTIVE_WINDOW\n");
|
||
return;
|
||
}
|
||
|
||
/* data32[0] indicates the source of the request (application or pager) */
|
||
if (event->data.data32[0] == 2) {
|
||
/* Always focus the con if it is from a pager, because this is most
|
||
* likely from some user action */
|
||
DLOG("This request came from a pager. Focusing con = %p\n", con);
|
||
workspace_show(ws);
|
||
con_focus(con);
|
||
} else {
|
||
/* If the request is from an application, only focus if the
|
||
* workspace is visible. Otherwise set the urgency hint. */
|
||
if (workspace_is_visible(ws)) {
|
||
DLOG("Request to focus con on a visible workspace. Focusing con = %p\n", con);
|
||
workspace_show(ws);
|
||
con_focus(con);
|
||
} else {
|
||
DLOG("Request to focus con on a hidden workspace. Setting urgent con = %p\n", con);
|
||
con_set_urgency(con, true);
|
||
}
|
||
}
|
||
|
||
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 if (event->type == A__NET_REQUEST_FRAME_EXTENTS) {
|
||
/*
|
||
* A client can request an estimate for the frame size which the window
|
||
* manager will put around it before actually mapping its window. Java
|
||
* does this (as of openjdk-7).
|
||
*
|
||
* Note that the calculation below is not entirely accurate — once you
|
||
* set a different border type, it’s off. We _could_ request all the
|
||
* window properties (which have to be set up at this point according
|
||
* to EWMH), but that seems rather elaborate. The standard explicitly
|
||
* says the application must cope with an estimate that is not entirely
|
||
* accurate.
|
||
*/
|
||
DLOG("_NET_REQUEST_FRAME_EXTENTS for window 0x%08x\n", event->window);
|
||
|
||
/* The reply data: approximate frame size */
|
||
Rect r = {
|
||
config.default_border_width, /* left */
|
||
config.default_border_width, /* right */
|
||
config.font.height + 5, /* top */
|
||
config.default_border_width /* bottom */
|
||
};
|
||
xcb_change_property(
|
||
conn,
|
||
XCB_PROP_MODE_REPLACE,
|
||
event->window,
|
||
A__NET_FRAME_EXTENTS,
|
||
XCB_ATOM_CARDINAL, 32, 4,
|
||
&r);
|
||
xcb_flush(conn);
|
||
} else if (event->type == A__NET_CURRENT_DESKTOP) {
|
||
/* This request is used by pagers and bars to change the current
|
||
* desktop likely as a result of some user action. We interpret this as
|
||
* a request to focus the given workspace. See
|
||
* http://standards.freedesktop.org/wm-spec/latest/ar01s03.html#idm140251368135008
|
||
* */
|
||
Con *output;
|
||
uint32_t idx = 0;
|
||
DLOG("Request to change current desktop to index %d\n", event->data.data32[0]);
|
||
|
||
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
|
||
Con *ws;
|
||
TAILQ_FOREACH(ws, &(output_get_content(output)->nodes_head), nodes) {
|
||
if (STARTS_WITH(ws->name, "__"))
|
||
continue;
|
||
|
||
if (idx == event->data.data32[0]) {
|
||
/* data32[1] is a timestamp used to prevent focus race conditions */
|
||
if (event->data.data32[1])
|
||
last_timestamp = event->data.data32[1];
|
||
|
||
DLOG("Handling request to focus workspace %s\n", ws->name);
|
||
|
||
workspace_show(ws);
|
||
tree_render();
|
||
|
||
return;
|
||
}
|
||
|
||
++idx;
|
||
}
|
||
}
|
||
} else if (event->type == A__NET_CLOSE_WINDOW) {
|
||
/*
|
||
* Pagers wanting to close a window MUST send a _NET_CLOSE_WINDOW
|
||
* client message request to the root window.
|
||
* http://standards.freedesktop.org/wm-spec/wm-spec-latest.html#idm140200472668896
|
||
*/
|
||
Con *con = con_by_window_id(event->window);
|
||
if (con) {
|
||
DLOG("Handling _NET_CLOSE_WINDOW request (con = %p)\n", con);
|
||
|
||
if (event->data.data32[0])
|
||
last_timestamp = event->data.data32[0];
|
||
|
||
tree_close(con, KILL_WINDOW, false, false);
|
||
tree_render();
|
||
} else {
|
||
DLOG("Couldn't find con for _NET_CLOSE_WINDOW request. (window = %d)\n", event->window);
|
||
}
|
||
} else if (event->type == A__NET_WM_MOVERESIZE) {
|
||
/*
|
||
* Client-side decorated Gtk3 windows emit this signal when being
|
||
* dragged by their GtkHeaderBar
|
||
*/
|
||
Con *con = con_by_window_id(event->window);
|
||
if (!con || !con_is_floating(con)) {
|
||
DLOG("Couldn't find con for _NET_WM_MOVERESIZE request, or con not floating (window = %d)\n", event->window);
|
||
return;
|
||
}
|
||
DLOG("Handling _NET_WM_MOVERESIZE request (con = %p)\n", con);
|
||
uint32_t direction = event->data.data32[2];
|
||
uint32_t x_root = event->data.data32[0];
|
||
uint32_t y_root = event->data.data32[1];
|
||
/* construct fake xcb_button_press_event_t */
|
||
xcb_button_press_event_t fake = {
|
||
.root_x = x_root,
|
||
.root_y = y_root,
|
||
.event_x = x_root - (con->rect.x),
|
||
.event_y = y_root - (con->rect.y)};
|
||
if (direction == _NET_WM_MOVERESIZE_MOVE) {
|
||
floating_drag_window(con->parent, &fake);
|
||
} else if (direction >= _NET_WM_MOVERESIZE_SIZE_TOPLEFT && direction <= _NET_WM_MOVERESIZE_SIZE_LEFT) {
|
||
floating_resize_window(con->parent, FALSE, &fake);
|
||
} else {
|
||
DLOG("_NET_WM_MOVERESIZE direction %d not implemented\n", direction);
|
||
}
|
||
} else {
|
||
DLOG("unhandled clientmessage\n");
|
||
return;
|
||
}
|
||
}
|
||
|
||
#if 0
|
||
int handle_window_type(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
|
||
xcb_atom_t atom, xcb_get_property_reply_t *property) {
|
||
/* TODO: Implement this one. To do this, implement a little test program which sleep(1)s
|
||
before changing this property. */
|
||
ELOG("_NET_WM_WINDOW_TYPE changed, this is not yet implemented.\n");
|
||
return 0;
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
* Handles the size hints set by a window, but currently only the part necessary for displaying
|
||
* clients proportionally inside their frames (mplayer for example)
|
||
*
|
||
* See ICCCM 4.1.2.3 for more details
|
||
*
|
||
*/
|
||
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 false;
|
||
}
|
||
|
||
xcb_size_hints_t size_hints;
|
||
|
||
//CLIENT_LOG(client);
|
||
|
||
/* If the hints were already in this event, use them, if not, request them */
|
||
if (reply != NULL)
|
||
xcb_icccm_get_wm_size_hints_from_reply(&size_hints, reply);
|
||
else
|
||
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_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_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;
|
||
changed = true;
|
||
}
|
||
if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF)
|
||
if (con->height_increment != size_hints.height_inc) {
|
||
con->height_increment = size_hints.height_inc;
|
||
changed = true;
|
||
}
|
||
|
||
if (changed)
|
||
DLOG("resize increments changed\n");
|
||
}
|
||
|
||
int base_width = 0, base_height = 0;
|
||
|
||
/* 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_ICCCM_SIZE_HINT_BASE_SIZE) {
|
||
base_width = size_hints.base_width;
|
||
base_height = size_hints.base_height;
|
||
} 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;
|
||
}
|
||
|
||
if (base_width != con->base_width ||
|
||
base_height != con->base_height) {
|
||
con->base_width = base_width;
|
||
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_ICCCM_SIZE_HINT_P_ASPECT) ||
|
||
(size_hints.min_aspect_num <= 0) ||
|
||
(size_hints.min_aspect_den <= 0)) {
|
||
goto render_and_return;
|
||
}
|
||
|
||
/* XXX: do we really use rect here, not window_rect? */
|
||
double width = con->rect.width - base_width;
|
||
double height = con->rect.height - base_height;
|
||
/* Convert numerator/denominator to a double */
|
||
double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den;
|
||
double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den;
|
||
|
||
DLOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect);
|
||
DLOG("width = %f, height = %f\n", width, height);
|
||
|
||
/* Sanity checks, this is user-input, in a way */
|
||
if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0)
|
||
goto render_and_return;
|
||
|
||
/* Check if we need to set proportional_* variables using the correct ratio */
|
||
double aspect_ratio = 0.0;
|
||
if ((width / height) < min_aspect) {
|
||
aspect_ratio = min_aspect;
|
||
} else if ((width / height) > max_aspect) {
|
||
aspect_ratio = max_aspect;
|
||
} else
|
||
goto render_and_return;
|
||
|
||
if (fabs(con->aspect_ratio - aspect_ratio) > DBL_EPSILON) {
|
||
con->aspect_ratio = aspect_ratio;
|
||
changed = true;
|
||
}
|
||
|
||
render_and_return:
|
||
if (changed)
|
||
tree_render();
|
||
FREE(reply);
|
||
return true;
|
||
}
|
||
|
||
/*
|
||
* Handles the WM_HINTS property for extracting the urgency state of the 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 false;
|
||
}
|
||
|
||
bool urgency_hint;
|
||
if (reply == NULL)
|
||
reply = xcb_get_property_reply(conn, xcb_icccm_get_wm_hints(conn, window), NULL);
|
||
window_update_hints(con->window, reply, &urgency_hint);
|
||
con_set_urgency(con, urgency_hint);
|
||
tree_render();
|
||
|
||
return true;
|
||
}
|
||
|
||
/*
|
||
* Handles the transient for hints set by a window, signalizing that this window is a popup window
|
||
* for some other window.
|
||
*
|
||
* See ICCCM 4.1.2.6 for more details
|
||
*
|
||
*/
|
||
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 false;
|
||
}
|
||
|
||
if (prop == NULL) {
|
||
prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
|
||
false, window, XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 0, 32),
|
||
NULL);
|
||
if (prop == NULL)
|
||
return false;
|
||
}
|
||
|
||
window_update_transient_for(con->window, prop);
|
||
|
||
return true;
|
||
}
|
||
|
||
/*
|
||
* Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
|
||
* toolwindow (or similar) and to which window it belongs (logical parent).
|
||
*
|
||
*/
|
||
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 false;
|
||
|
||
if (prop == NULL) {
|
||
prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
|
||
false, window, A_WM_CLIENT_LEADER, XCB_ATOM_WINDOW, 0, 32),
|
||
NULL);
|
||
if (prop == NULL)
|
||
return false;
|
||
}
|
||
|
||
window_update_leader(con->window, prop);
|
||
|
||
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;
|
||
}
|
||
|
||
/*
|
||
* Handles the WM_CLASS property for assignments and criteria selection.
|
||
*
|
||
*/
|
||
static bool handle_class_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 false;
|
||
|
||
if (prop == NULL) {
|
||
prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
|
||
false, window, XCB_ATOM_WM_CLASS, XCB_ATOM_STRING, 0, 32),
|
||
NULL);
|
||
|
||
if (prop == NULL)
|
||
return false;
|
||
}
|
||
|
||
window_update_class(con->window, prop, false);
|
||
|
||
return true;
|
||
}
|
||
|
||
/* 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},
|
||
{0, 128, handle_class_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;
|
||
property_handlers[7].atom = XCB_ATOM_WM_CLASS;
|
||
}
|
||
|
||
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 (size_t 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) {
|
||
DLOG("event type %d, xkb_base %d\n", type, xkb_base);
|
||
if (randr_base > -1 &&
|
||
type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) {
|
||
handle_screen_change(event);
|
||
return;
|
||
}
|
||
|
||
if (xkb_base > -1 && type == xkb_base) {
|
||
DLOG("xkb event, need to handle it.\n");
|
||
|
||
xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
|
||
if (state->xkbType == XCB_XKB_NEW_KEYBOARD_NOTIFY) {
|
||
DLOG("xkb new keyboard notify, sequence %d, time %d\n", state->sequence, state->time);
|
||
xcb_key_symbols_free(keysyms);
|
||
keysyms = xcb_key_symbols_alloc(conn);
|
||
ungrab_all_keys(conn);
|
||
translate_keysyms();
|
||
grab_all_keys(conn, false);
|
||
} else if (state->xkbType == XCB_XKB_MAP_NOTIFY) {
|
||
if (event_is_ignored(event->sequence, type)) {
|
||
DLOG("Ignoring map notify event for sequence %d.\n", state->sequence);
|
||
} else {
|
||
DLOG("xkb map notify, sequence %d, time %d\n", state->sequence, state->time);
|
||
add_ignore_event(event->sequence, type);
|
||
xcb_key_symbols_free(keysyms);
|
||
keysyms = xcb_key_symbols_alloc(conn);
|
||
ungrab_all_keys(conn);
|
||
translate_keysyms();
|
||
grab_all_keys(conn, false);
|
||
}
|
||
} else if (state->xkbType == XCB_XKB_STATE_NOTIFY) {
|
||
DLOG("xkb state group = %d\n", state->group);
|
||
|
||
/* See The XKB Extension: Library Specification, section 14.1 */
|
||
/* We check if the current group (each group contains
|
||
* two levels) has been changed. Mode_switch activates
|
||
* group XCB_XKB_GROUP_2 */
|
||
if (xkb_current_group == state->group)
|
||
return;
|
||
xkb_current_group = state->group;
|
||
if (state->group == XCB_XKB_GROUP_1) {
|
||
DLOG("Mode_switch disabled\n");
|
||
ungrab_all_keys(conn);
|
||
grab_all_keys(conn, false);
|
||
} else {
|
||
DLOG("Mode_switch enabled\n");
|
||
grab_all_keys(conn, true);
|
||
}
|
||
}
|
||
|
||
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:
|
||
case XCB_BUTTON_RELEASE:
|
||
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 their 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 and _NET_WM_STATE_DEMANDS_ATTENTION */
|
||
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;
|
||
}
|
||
}
|