914 lines
32 KiB
C
914 lines
32 KiB
C
/*
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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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* © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
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*
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*/
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#include <time.h>
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#include <xcb/xcb_atom.h>
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#include <xcb/randr.h>
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#include <X11/XKBlib.h>
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#include "all.h"
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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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void add_ignore_event(const int sequence) {
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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->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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* Unignores the given sequence. Called when unmap events (generated by
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* reparenting) should be ignored and the unmap event actually happens, in
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* order to not ignore too many unmap events (leading to ghost window
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* decorations).
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*
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*/
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static void unignore_event(const int sequence) {
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struct Ignore_Event *event;
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for (event = SLIST_FIRST(&ignore_events);
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event != SLIST_END(&ignore_events);
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event = SLIST_NEXT(event, ignore_events)) {
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if (event->sequence != sequence)
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continue;
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DLOG("Unignoring sequence number %d\n", sequence);
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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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break;
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}
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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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static bool event_is_ignored(const int sequence) {
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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 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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/* 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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* There was a key press. We compare this key code with our bindings table and pass
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* the bound action to parse_command().
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*
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*/
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int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
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DLOG("Keypress %d, state raw = %d\n", event->detail, event->state);
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/* Remove the numlock bit, all other bits are modifiers we can bind to */
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uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
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DLOG("(removed numlock, state = %d)\n", state_filtered);
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/* Only use the lower 8 bits of the state (modifier masks) so that mouse
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* button masks are filtered out */
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state_filtered &= 0xFF;
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DLOG("(removed upper 8 bits, state = %d)\n", state_filtered);
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if (xkb_current_group == XkbGroup2Index)
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state_filtered |= BIND_MODE_SWITCH;
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DLOG("(checked mode_switch, state %d)\n", state_filtered);
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/* Find the binding */
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Binding *bind = get_binding(state_filtered, event->detail);
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/* No match? Then the user has Mode_switch enabled but does not have a
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* specific keybinding. Fall back to the default keybindings (without
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* Mode_switch). Makes it much more convenient for users of a hybrid
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* layout (like us, ru). */
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if (bind == NULL) {
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state_filtered &= ~(BIND_MODE_SWITCH);
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DLOG("no match, new state_filtered = %d\n", state_filtered);
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if ((bind = get_binding(state_filtered, event->detail)) == NULL) {
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ELOG("Could not lookup key binding (modifiers %d, keycode %d)\n",
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state_filtered, event->detail);
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return 1;
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}
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}
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parse_cmd(bind->command);
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tree_render();
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return 1;
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}
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#if 0
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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 ((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 == c_ws->output)
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return;
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c_ws->current_row = current_row;
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c_ws->current_col = current_col;
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c_ws = output->current_workspace;
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current_row = c_ws->current_row;
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current_col = c_ws->current_col;
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DLOG("We're now on output %p\n", output);
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/* While usually this function is only called when the user switches
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* to a different output using his mouse (and thus the output is
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* empty), it may be that the following race condition occurs:
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* 1) the user actives a new output (say VGA1).
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* 2) the cursor is sent to the first pixel of the new VGA1, thus
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* generating an enter_notify for the screen (the enter_notify
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* is not yet received by i3).
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* 3) i3 requeries screen configuration and maps a workspace onto the
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* new output.
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* 4) the enter_notify event arrives and c_ws is set to the new
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* workspace but the existing windows on the new workspace are not
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* focused.
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*
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* Therefore, we re-set the focus here to be sure it’s correct. */
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Client *first_client = SLIST_FIRST(&(c_ws->focus_stack));
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if (first_client != NULL)
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set_focus(global_conn, first_client, true);
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}
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#endif
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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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int handle_enter_notify(void *ignored, xcb_connection_t *conn,
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xcb_enter_notify_event_t *event) {
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Con *con;
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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 1;
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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))
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return 1;
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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 his 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 1;
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}
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/* see if the user entered the window on a certain window decoration */
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int layout = (enter_child ? con->parent->layout : con->layout);
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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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/* for stacked/tabbed layout we do not want to change focus when the user
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* enters the window at the decoration of any child window. */
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if (layout == L_STACKED || layout == L_TABBED) {
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con = TAILQ_FIRST(&(con->parent->focus_head));
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LOG("using focused %p / %s instead\n", con, con->name);
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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 1;
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Con *next = con;
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while (!TAILQ_EMPTY(&(next->focus_head)))
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next = TAILQ_FIRST(&(next->focus_head));
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con_focus(next);
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x_push_changes(croot);
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return 1;
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}
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#if 0
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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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int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notify_event_t *event) {
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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 1;
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check_crossing_screen_boundary(event->root_x, event->root_y);
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return 1;
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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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int handle_mapping_notify(void *ignored, xcb_connection_t *conn, 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 0;
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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_get_numlock_mask(conn);
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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 0;
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}
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#endif
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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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int handle_map_request(void *prophs, xcb_connection_t *conn, 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);
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manage_window(event->window, cookie, false);
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x_push_changes(croot);
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return 1;
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}
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/*
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* Configure requests are received when the application wants to resize windows on their own.
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*
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* We generate a synthethic configure notify event to signalize the client its "new" position.
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*
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*/
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int handle_configure_request(void *prophs, xcb_connection_t *conn, 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) 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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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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return 1;
|
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}
|
||
|
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DLOG("Configure request!\n");
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if (con_is_floating(con) && con_is_leaf(con)) {
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/* find the height for the decorations */
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i3Font *font = load_font(conn, config.font);
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int deco_height = font->height + 5;
|
||
/* we actually need to apply the size/position changes to the *parent*
|
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* container */
|
||
Rect bsr = con_border_style_rect(con);
|
||
if (con->border_style == BS_NORMAL)
|
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bsr.height -= deco_height;
|
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con = con->parent;
|
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DLOG("Container is a floating leaf node, will do that.\n");
|
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if (event->value_mask & XCB_CONFIG_WINDOW_X) {
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con->rect.x = event->x + (-1) * bsr.x;
|
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DLOG("proposed x = %d, new x is %d\n", event->x, con->rect.x);
|
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}
|
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if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
|
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con->rect.y = event->y + (-1) * bsr.y;
|
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DLOG("proposed y = %d, new y is %d\n", event->y, con->rect.y);
|
||
}
|
||
if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
|
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con->rect.width = event->width + (-1) * bsr.width;
|
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DLOG("proposed width = %d, new width is %d\n", event->width, con->rect.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();
|
||
}
|
||
|
||
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;
|
||
}
|
||
|
||
if (client->fullscreen) {
|
||
DLOG("Client is in fullscreen mode\n");
|
||
|
||
Rect child_rect = client->container->workspace->rect;
|
||
child_rect.x = child_rect.y = 0;
|
||
fake_configure_notify(conn, child_rect, client->child);
|
||
|
||
return 1;
|
||
}
|
||
|
||
fake_absolute_configure_notify(conn, client);
|
||
|
||
return 1;
|
||
#endif
|
||
}
|
||
#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;
|
||
}
|
||
|
||
/*
|
||
* Gets triggered upon a RandR screen change event, that is when the user
|
||
* changes the screen configuration in any way (mode, position, …)
|
||
*
|
||
*/
|
||
int handle_screen_change(void *prophs, xcb_connection_t *conn,
|
||
xcb_generic_event_t *e) {
|
||
DLOG("RandR screen change\n");
|
||
|
||
randr_query_outputs(conn);
|
||
|
||
ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
|
||
|
||
return 1;
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
* Our window decorations were unmapped. That means, the window will be killed
|
||
* 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);
|
||
|
||
DLOG("UnmapNotify for 0x%08x (received from 0x%08x), serial %d\n", event->window, event->event, event->sequence);
|
||
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 1;
|
||
}
|
||
if (con->ignore_unmap > 0)
|
||
con->ignore_unmap--;
|
||
DLOG("ignore_unmap = %d for frame of container %p\n", con->ignore_unmap, con);
|
||
return 1;
|
||
}
|
||
|
||
if (con->ignore_unmap > 0) {
|
||
DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
|
||
con->ignore_unmap--;
|
||
return 1;
|
||
}
|
||
|
||
tree_close(con, 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;
|
||
}
|
||
|
||
/*
|
||
* 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).
|
||
*
|
||
*/
|
||
int handle_destroy_notify_event(void *data, xcb_connection_t *conn, 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;
|
||
|
||
return handle_unmap_notify_event(NULL, conn, &unmap);
|
||
}
|
||
|
||
/*
|
||
* Called when a window changes its title
|
||
*
|
||
*/
|
||
int 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;
|
||
|
||
window_update_name(con->window, prop);
|
||
|
||
x_push_changes(croot);
|
||
|
||
return 1;
|
||
}
|
||
|
||
/*
|
||
* Handles legacy window name updates (WM_NAME), see also src/window.c,
|
||
* window_update_name_legacy().
|
||
*
|
||
*/
|
||
int 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;
|
||
|
||
window_update_name_legacy(con->window, prop);
|
||
|
||
x_push_changes(croot);
|
||
|
||
return 1;
|
||
}
|
||
|
||
/*
|
||
* Updates the client’s WM_CLASS property
|
||
*
|
||
*/
|
||
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);
|
||
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
* 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;
|
||
|
||
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) {
|
||
LOG("expose for con %p / %s\n", con, con->name);
|
||
if (con->window)
|
||
x_draw_decoration(con);
|
||
}
|
||
xcb_flush(conn);
|
||
|
||
return 1;
|
||
|
||
#if 0
|
||
else {
|
||
uint32_t background_color;
|
||
if (client->urgent)
|
||
background_color = config.client.urgent.background;
|
||
/* Distinguish if the window is currently focused… */
|
||
else if (CUR_CELL != NULL && CUR_CELL->currently_focused == client)
|
||
background_color = config.client.focused.background;
|
||
/* …or if it is the focused window in a not focused container */
|
||
else background_color = config.client.focused_inactive.background;
|
||
|
||
/* Set foreground color to current focused color, line width to 2 */
|
||
uint32_t values[] = {background_color, 2};
|
||
xcb_change_gc(conn, client->titlegc, XCB_GC_FOREGROUND | XCB_GC_LINE_WIDTH, values);
|
||
|
||
/* Draw the border, the ±1 is for line width = 2 */
|
||
xcb_point_t points[] = {{1, 0}, /* left upper edge */
|
||
{1, client->rect.height-1}, /* left bottom edge */
|
||
{client->rect.width-1, client->rect.height-1}, /* right bottom edge */
|
||
{client->rect.width-1, 0}}; /* right upper edge */
|
||
xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, client->frame, client->titlegc, 4, points);
|
||
|
||
/* Draw a black background */
|
||
xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
|
||
if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
|
||
xcb_rectangle_t crect = {1, 0, client->rect.width - (1 + 1), client->rect.height - 1};
|
||
xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
|
||
} else {
|
||
xcb_rectangle_t crect = {2, 0, client->rect.width - (2 + 2), client->rect.height - 2};
|
||
xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
|
||
}
|
||
}
|
||
xcb_flush(conn);
|
||
return 1;
|
||
#endif
|
||
}
|
||
|
||
/*
|
||
* Handle client messages (EWMH)
|
||
*
|
||
*/
|
||
int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) {
|
||
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])
|
||
return 0;
|
||
|
||
Con *con = con_by_window_id(event->window);
|
||
if (con == NULL)
|
||
return 0;
|
||
|
||
/* 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)))
|
||
con_toggle_fullscreen(con);
|
||
|
||
tree_render();
|
||
x_push_changes(croot);
|
||
} else {
|
||
ELOG("unhandled clientmessage\n");
|
||
return 0;
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
#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
|
||
*
|
||
*/
|
||
int 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;
|
||
}
|
||
|
||
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_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);
|
||
|
||
if ((size_hints.flags & XCB_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.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_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) {
|
||
/* 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_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 */
|
||
if ((width / height) < min_aspect) {
|
||
con->proportional_width = width;
|
||
con->proportional_height = width / min_aspect;
|
||
} else if ((width / height) > max_aspect) {
|
||
con->proportional_width = width;
|
||
con->proportional_height = width / max_aspect;
|
||
} else goto render_and_return;
|
||
|
||
render_and_return:
|
||
tree_render();
|
||
return 1;
|
||
}
|
||
|
||
/*
|
||
* 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,
|
||
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;
|
||
}
|
||
|
||
xcb_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 (!con->urgent && focused == con) {
|
||
DLOG("Ignoring urgency flag for current client\n");
|
||
return 1;
|
||
}
|
||
|
||
/* Update the flag on the client directly */
|
||
con->urgent = (xcb_wm_hints_get_urgency(&hints) != 0);
|
||
//CLIENT_LOG(con);
|
||
LOG("Urgency flag changed to %d\n", con->urgent);
|
||
|
||
workspace_update_urgent_flag(con_get_workspace(con));
|
||
|
||
#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
|
||
|
||
return 1;
|
||
}
|
||
|
||
/*
|
||
* 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
|
||
*
|
||
*/
|
||
int 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;
|
||
}
|
||
|
||
if (prop == NULL) {
|
||
prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
|
||
false, window, WM_TRANSIENT_FOR, WINDOW, 0, 32), NULL);
|
||
if (prop == NULL)
|
||
return 1;
|
||
}
|
||
|
||
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;
|
||
}
|
||
|
||
/*
|
||
* 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).
|
||
*
|
||
*/
|
||
int 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;
|
||
|
||
if (prop == NULL) {
|
||
prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
|
||
false, window, WM_CLIENT_LEADER, WINDOW, 0, 32), NULL);
|
||
if (prop == NULL)
|
||
return 1;
|
||
}
|
||
|
||
window_update_leader(con->window, prop);
|
||
|
||
return 1;
|
||
}
|