* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
+ * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
*
- * © 2009-2010 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
+ * handlers.c: Small handlers for various events (keypresses, focus changes,
+ * …).
*
*/
-#include <time.h>
+#include "all.h"
-#include <xcb/xcb_atom.h>
+#include <time.h>
#include <xcb/randr.h>
-
#include <X11/XKBlib.h>
+#define SN_API_NOT_YET_FROZEN 1
+#include <libsn/sn-monitor.h>
-#include "all.h"
+int randr_base = -1;
/* After mapping/unmapping windows, a notify event is generated. However, we don’t want it,
since it’d trigger an infinite loop of switching between the different windows when
changing workspaces */
static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events;
-static void add_ignore_event(const int sequence) {
- struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
+/*
+ * Adds the given sequence to the list of events which are ignored.
+ * If this ignore should only affect a specific response_type, pass
+ * response_type, otherwise, pass -1.
+ *
+ * Every ignored sequence number gets garbage collected after 5 seconds.
+ *
+ */
+void add_ignore_event(const int sequence, const int response_type) {
+ struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
- event->sequence = sequence;
- event->added = time(NULL);
+ event->sequence = sequence;
+ event->response_type = response_type;
+ event->added = time(NULL);
- SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
+ SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
}
/*
* Checks if the given sequence is ignored and returns true if so.
*
*/
-static bool event_is_ignored(const int sequence) {
- struct Ignore_Event *event;
- time_t now = time(NULL);
- for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
- if ((now - event->added) > 5) {
- struct Ignore_Event *save = event;
- event = SLIST_NEXT(event, ignore_events);
- SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events);
- free(save);
- } else event = SLIST_NEXT(event, ignore_events);
- }
+bool event_is_ignored(const int sequence, const int response_type) {
+ struct Ignore_Event *event;
+ time_t now = time(NULL);
+ for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
+ if ((now - event->added) > 5) {
+ struct Ignore_Event *save = event;
+ event = SLIST_NEXT(event, ignore_events);
+ SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events);
+ free(save);
+ } else event = SLIST_NEXT(event, ignore_events);
+ }
- SLIST_FOREACH(event, &ignore_events, ignore_events) {
- if (event->sequence == sequence) {
- SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events);
- free(event);
- return true;
- }
- }
+ SLIST_FOREACH(event, &ignore_events, ignore_events) {
+ if (event->sequence != sequence)
+ continue;
- return false;
+ if (event->response_type != -1 &&
+ event->response_type != response_type)
+ continue;
+
+ /* instead of removing a sequence number we better wait until it gets
+ * garbage collected. it may generate multiple events (there are multiple
+ * enter_notifies for one configure_request, for example). */
+ //SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events);
+ //free(event);
+ return true;
+ }
+
+ return false;
}
+
/*
* There was a key press. We compare this key code with our bindings table and pass
* the bound action to parse_command().
*
*/
-int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
+static void handle_key_press(xcb_key_press_event_t *event) {
+
+ last_timestamp = event->time;
+
DLOG("Keypress %d, state raw = %d\n", event->detail, event->state);
/* Remove the numlock bit, all other bits are modifiers we can bind to */
if ((bind = get_binding(state_filtered, event->detail)) == NULL) {
ELOG("Could not lookup key binding (modifiers %d, keycode %d)\n",
state_filtered, event->detail);
- return 1;
+ return;
}
}
- parse_command(bind->command);
- return 1;
+ char *json_result = parse_cmd(bind->command);
+ FREE(json_result);
+ return;
}
-#if 0
-
/*
* Called with coordinates of an enter_notify event or motion_notify event
* to check if the user crossed virtual screen boundaries and adjust the
*
*/
static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
- Output *output;
+ Output *output;
- if ((output = get_output_containing(x, y)) == NULL) {
- ELOG("ERROR: No such screen\n");
- return;
- }
- if (output == c_ws->output)
- return;
-
- c_ws->current_row = current_row;
- c_ws->current_col = current_col;
- c_ws = output->current_workspace;
- current_row = c_ws->current_row;
- current_col = c_ws->current_col;
- DLOG("We're now on output %p\n", output);
-
- /* While usually this function is only called when the user switches
- * to a different output using his mouse (and thus the output is
- * empty), it may be that the following race condition occurs:
- * 1) the user actives a new output (say VGA1).
- * 2) the cursor is sent to the first pixel of the new VGA1, thus
- * generating an enter_notify for the screen (the enter_notify
- * is not yet received by i3).
- * 3) i3 requeries screen configuration and maps a workspace onto the
- * new output.
- * 4) the enter_notify event arrives and c_ws is set to the new
- * workspace but the existing windows on the new workspace are not
- * focused.
- *
- * Therefore, we re-set the focus here to be sure it’s correct. */
- Client *first_client = SLIST_FIRST(&(c_ws->focus_stack));
- if (first_client != NULL)
- set_focus(global_conn, first_client, true);
+ /* If the user disable focus follows mouse, we have nothing to do here */
+ if (config.disable_focus_follows_mouse)
+ return;
+
+ if ((output = get_output_containing(x, y)) == NULL) {
+ ELOG("ERROR: No such screen\n");
+ return;
+ }
+
+ if (output->con == NULL) {
+ ELOG("ERROR: The screen is not recognized by i3 (no container associated)\n");
+ return;
+ }
+
+ /* Focus the output on which the user moved his cursor */
+ Con *old_focused = focused;
+ Con *next = con_descend_focused(output_get_content(output->con));
+ /* Since we are switching outputs, this *must* be a different workspace, so
+ * call workspace_show() */
+ workspace_show(con_get_workspace(next));
+ con_focus(next);
+
+ /* If the focus changed, we re-render to get updated decorations */
+ if (old_focused != focused)
+ tree_render();
}
/*
* When the user moves the mouse pointer onto a window, this callback gets called.
*
*/
-int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_notify_event_t *event) {
- DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n", event->event, event->mode, event->detail, event->sequence);
- if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
- DLOG("This was not a normal notify, ignoring\n");
- return 1;
- }
- /* Some events are not interesting, because they were not generated actively by the
- user, but by reconfiguration of windows */
- if (event_is_ignored(event->sequence))
- return 1;
-
- /* This was either a focus for a client’s parent (= titlebar)… */
- Client *client = table_get(&by_parent, event->event);
- /* …or the client itself */
- if (client == NULL)
- client = table_get(&by_child, event->event);
-
- /* Check for stack windows */
- if (client == NULL) {
- struct Stack_Window *stack_win;
- SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
- if (stack_win->window == event->event) {
- client = stack_win->container->currently_focused;
- break;
- }
- }
+static void handle_enter_notify(xcb_enter_notify_event_t *event) {
+ Con *con;
+ last_timestamp = event->time;
- /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
- if (client == NULL) {
- DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
- check_crossing_screen_boundary(event->root_x, event->root_y);
- return 1;
- }
+ DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
+ event->event, event->mode, event->detail, event->sequence);
+ DLOG("coordinates %d, %d\n", event->event_x, event->event_y);
+ if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
+ DLOG("This was not a normal notify, ignoring\n");
+ return;
+ }
+ /* Some events are not interesting, because they were not generated
+ * actively by the user, but by reconfiguration of windows */
+ if (event_is_ignored(event->sequence, XCB_ENTER_NOTIFY)) {
+ DLOG("Event ignored\n");
+ return;
+ }
- /* Do plausibility checks: This event may be useless for us if it occurs on a window
- which is in a stacked container but not the focused one */
- if (client->container != NULL &&
- client->container->mode == MODE_STACK &&
- client->container->currently_focused != client) {
- DLOG("Plausibility check says: no\n");
- return 1;
- }
+ bool enter_child = false;
+ /* Get container by frame or by child window */
+ if ((con = con_by_frame_id(event->event)) == NULL) {
+ con = con_by_window_id(event->event);
+ enter_child = true;
+ }
- if (client->workspace != c_ws && client->workspace->output == c_ws->output) {
- /* This can happen when a client gets assigned to a different workspace than
- * the current one (see src/mainx.c:reparent_window). Shortly after it was created,
- * an enter_notify will follow. */
- DLOG("enter_notify for a client on a different workspace but the same screen, ignoring\n");
- return 1;
- }
+ /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
+ if (con == NULL) {
+ DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
+ check_crossing_screen_boundary(event->root_x, event->root_y);
+ return;
+ }
- if (!config.disable_focus_follows_mouse)
- set_focus(conn, client, false);
+ if (con->parent->type == CT_DOCKAREA) {
+ DLOG("Ignoring, this is a dock client\n");
+ return;
+ }
- return 1;
+ /* see if the user entered the window on a certain window decoration */
+ int layout = (enter_child ? con->parent->layout : con->layout);
+ if (layout == L_DEFAULT) {
+ Con *child;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes)
+ if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
+ LOG("using child %p / %s instead!\n", child, child->name);
+ con = child;
+ break;
+ }
+ }
+
+#if 0
+ if (client->workspace != c_ws && client->workspace->output == c_ws->output) {
+ /* This can happen when a client gets assigned to a different workspace than
+ * the current one (see src/mainx.c:reparent_window). Shortly after it was created,
+ * an enter_notify will follow. */
+ DLOG("enter_notify for a client on a different workspace but the same screen, ignoring\n");
+ return 1;
+ }
+#endif
+
+ if (config.disable_focus_follows_mouse)
+ return;
+
+ /* Get the currently focused workspace to check if the focus change also
+ * involves changing workspaces. If so, we need to call workspace_show() to
+ * correctly update state and send the IPC event. */
+ Con *ws = con_get_workspace(con);
+ if (ws != con_get_workspace(focused))
+ workspace_show(ws);
+
+ con_focus(con_descend_focused(con));
+ tree_render();
+
+ return;
}
/*
* and crossing virtual screen boundaries), this callback gets called.
*
*/
-int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notify_event_t *event) {
- /* Skip events where the pointer was over a child window, we are only
- * interested in events on the root window. */
- if (event->child != 0)
- return 1;
+static void handle_motion_notify(xcb_motion_notify_event_t *event) {
+
+ last_timestamp = event->time;
+
+ /* Skip events where the pointer was over a child window, we are only
+ * interested in events on the root window. */
+ if (event->child != 0)
+ return;
+ Con *con;
+ if ((con = con_by_frame_id(event->event)) == NULL) {
check_crossing_screen_boundary(event->root_x, event->root_y);
+ return;
+ }
- return 1;
+ if (config.disable_focus_follows_mouse)
+ return;
+
+ if (con->layout != L_DEFAULT)
+ return;
+
+ /* see over which rect the user is */
+ Con *current;
+ TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
+ if (!rect_contains(current->deco_rect, event->event_x, event->event_y))
+ continue;
+
+ /* We found the rect, let’s see if this window is focused */
+ if (TAILQ_FIRST(&(con->focus_head)) == current)
+ return;
+
+ con_focus(current);
+ x_push_changes(croot);
+ return;
+ }
+
+ return;
}
/*
* we need to update our key bindings then (re-translate symbols).
*
*/
-int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_notify_event_t *event) {
- if (event->request != XCB_MAPPING_KEYBOARD &&
- event->request != XCB_MAPPING_MODIFIER)
- return 0;
+static void handle_mapping_notify(xcb_mapping_notify_event_t *event) {
+ if (event->request != XCB_MAPPING_KEYBOARD &&
+ event->request != XCB_MAPPING_MODIFIER)
+ return;
- DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
- xcb_refresh_keyboard_mapping(keysyms, event);
+ DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
+ xcb_refresh_keyboard_mapping(keysyms, event);
- xcb_get_numlock_mask(conn);
+ xcb_numlock_mask = aio_get_mod_mask_for(XCB_NUM_LOCK, keysyms);
- ungrab_all_keys(conn);
- translate_keysyms();
- grab_all_keys(conn, false);
+ ungrab_all_keys(conn);
+ translate_keysyms();
+ grab_all_keys(conn, false);
- return 0;
+ return;
}
/*
* A new window appeared on the screen (=was mapped), so let’s manage it.
*
*/
-int handle_map_request(void *prophs, xcb_connection_t *conn, xcb_map_request_event_t *event) {
- xcb_get_window_attributes_cookie_t cookie;
+static void handle_map_request(xcb_map_request_event_t *event) {
+ xcb_get_window_attributes_cookie_t cookie;
- cookie = xcb_get_window_attributes_unchecked(conn, event->window);
+ cookie = xcb_get_window_attributes_unchecked(conn, event->window);
- DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
- add_ignore_event(event->sequence);
+ DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
+ add_ignore_event(event->sequence, -1);
- manage_window(prophs, conn, event->window, cookie, false);
- return 1;
+ manage_window(event->window, cookie, false);
+ x_push_changes(croot);
+ return;
}
/*
- * Configure requests are received when the application wants to resize windows on their own.
+ * Configure requests are received when the application wants to resize windows
+ * on their own.
*
- * We generate a synthethic configure notify event to signalize the client its "new" position.
+ * We generate a synthethic configure notify event to signalize the client its
+ * "new" position.
*
*/
-int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure_request_event_t *event) {
- DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
- event->window, event->x, event->y, event->width, event->height);
-
- Client *client = table_get(&by_child, event->window);
- if (client == NULL) {
- uint32_t mask = 0;
- uint32_t values[7];
- int c = 0;
-#define COPY_MASK_MEMBER(mask_member, event_member) do { \
- if (event->value_mask & mask_member) { \
- mask |= mask_member; \
- values[c++] = event->event_member; \
- } \
-} while (0)
+static void handle_configure_request(xcb_configure_request_event_t *event) {
+ Con *con;
- COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
- COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
- COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
- COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
- COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
- COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
- COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
+ DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
+ event->window, event->x, event->y, event->width, event->height);
- xcb_configure_window(conn, event->window, mask, values);
- xcb_flush(conn);
+ /* For unmanaged windows, we just execute the configure request. As soon as
+ * it gets mapped, we will take over anyways. */
+ if ((con = con_by_window_id(event->window)) == NULL) {
+ DLOG("Configure request for unmanaged window, can do that.\n");
- return 1;
- }
+ uint32_t mask = 0;
+ uint32_t values[7];
+ int c = 0;
+#define COPY_MASK_MEMBER(mask_member, event_member) do { \
+ if (event->value_mask & mask_member) { \
+ mask |= mask_member; \
+ values[c++] = event->event_member; \
+ } \
+} while (0)
- if (client->fullscreen) {
- DLOG("Client is in fullscreen mode\n");
+ COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
+ COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
+ COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
+ COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
+ COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
+ COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
+ COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
- Rect child_rect = client->workspace->rect;
- child_rect.x = child_rect.y = 0;
- fake_configure_notify(conn, child_rect, client->child);
+ xcb_configure_window(conn, event->window, mask, values);
+ xcb_flush(conn);
- return 1;
- }
+ return;
+ }
- /* Floating clients can be reconfigured */
- if (client_is_floating(client)) {
- i3Font *font = load_font(conn, config.font);
- int mode = (client->container != NULL ? client->container->mode : MODE_DEFAULT);
- /* TODO: refactor this code. we need a function to translate
- * coordinates of child_rect/rect. */
-
- if (event->value_mask & XCB_CONFIG_WINDOW_X) {
- if (mode == MODE_STACK || mode == MODE_TABBED) {
- client->rect.x = event->x - 2;
- } else {
- if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
- client->rect.x = event->x;
- else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
- client->rect.x = event->x - 1;
- else client->rect.x = event->x - 2;
- }
- }
- if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
- if (mode == MODE_STACK || mode == MODE_TABBED) {
- client->rect.y = event->y - 2;
- } else {
- if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
- client->rect.y = event->y;
- else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
- client->rect.y = event->y - 1;
- else client->rect.y = event->y - font->height - 2 - 2;
- }
- }
- if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
- if (mode == MODE_STACK || mode == MODE_TABBED) {
- client->rect.width = event->width + 2 + 2;
- } else {
- if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
- client->rect.width = event->width;
- else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
- client->rect.width = event->width + (1 + 1);
- else client->rect.width = event->width + (2 + 2);
- }
- }
- if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
- if (mode == MODE_STACK || mode == MODE_TABBED) {
- client->rect.height = event->height + 2;
- } else {
- if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
- client->rect.height = event->height;
- else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
- client->rect.height = event->height + (1 + 1);
- else client->rect.height = event->height + (font->height + 2 + 2) + 2;
- }
- }
-
- DLOG("Accepted new position/size for floating client: (%d, %d) size %d x %d\n",
- client->rect.x, client->rect.y, client->rect.width, client->rect.height);
-
- /* Push the new position/size to X11 */
- reposition_client(conn, client);
- resize_client(conn, client);
- xcb_flush(conn);
-
- return 1;
+ DLOG("Configure request!\n");
+ if (con_is_floating(con) && con_is_leaf(con)) {
+ /* find the height for the decorations */
+ int deco_height = config.font.height + 5;
+ /* 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;
- /* Dock clients can be reconfigured in their height */
- if (client->dock) {
- DLOG("Reconfiguring height of this dock client\n");
+ Rect newrect = floatingcon->rect;
- 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 (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);
}
- if (client->fullscreen) {
- DLOG("Client is in fullscreen mode\n");
+ DLOG("Container is a floating leaf node, will do that.\n");
+ floating_reposition(floatingcon, newrect);
+ return;
+ }
- Rect child_rect = client->container->workspace->rect;
- child_rect.x = child_rect.y = 0;
- fake_configure_notify(conn, child_rect, client->child);
+ /* Dock windows can be reconfigured in their height */
+ if (con->parent && con->parent->type == CT_DOCKAREA) {
+ DLOG("Dock window, only height reconfiguration allowed\n");
+ if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
+ DLOG("Height given, changing\n");
- return 1;
+ con->geometry.height = event->height;
+ tree_render();
}
+ }
- fake_absolute_configure_notify(conn, client);
+ fake_absolute_configure_notify(con);
- return 1;
+ return;
}
+#if 0
/*
* Configuration notifies are only handled because we need to set up ignore for
*
*/
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, …)
*
*/
-int handle_screen_change(void *prophs, xcb_connection_t *conn,
- xcb_generic_event_t *e) {
- DLOG("RandR screen change\n");
+static void handle_screen_change(xcb_generic_event_t *e) {
+ DLOG("RandR screen change\n");
- randr_query_outputs(conn);
+ randr_query_outputs();
- ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
+ ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
- return 1;
+ return;
}
/*
- * Our window decorations were unmapped. That means, the window will be killed now,
- * so we better clean up before.
+ * 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) {
- xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
-
- add_ignore_event(event->sequence);
-
- Client *client = table_get(&by_child, event->window);
- /* First, we need to check if the client is awaiting an unmap-request which
- was generated by us reparenting the window. In that case, we just ignore it. */
- if (client != NULL && client->awaiting_useless_unmap) {
- client->awaiting_useless_unmap = false;
- return 1;
- }
-
- DLOG("event->window = %08x, event->event = %08x\n", event->window, event->event);
- DLOG("UnmapNotify for 0x%08x (received from 0x%08x)\n", event->window, event->event);
- 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;
+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;
}
- client = table_remove(&by_child, event->window);
-
- /* If this was the fullscreen client, we need to unset it */
- if (client->fullscreen)
- client->workspace->fullscreen_client = NULL;
-
- /* Clients without a container are either floating or dock windows */
- if (client->container != NULL) {
- Container *con = client->container;
-
- /* Remove the client from the list of clients */
- client_remove_from_container(conn, client, con, true);
-
- /* Set focus to the last focused client in this container */
- con->currently_focused = get_last_focused_client(conn, con, NULL);
-
- /* Only if this is the active container, we need to really change focus */
- if ((con->currently_focused != NULL) && ((con == CUR_CELL) || client->fullscreen))
- set_focus(conn, con->currently_focused, true);
- } else if (client_is_floating(client)) {
- DLOG("Removing from floating clients\n");
- TAILQ_REMOVE(&(client->workspace->floating_clients), client, floating_clients);
- SLIST_REMOVE(&(client->workspace->focus_stack), client, Client, focus_clients);
- }
-
- if (client->dock) {
- DLOG("Removing from dock clients\n");
- SLIST_REMOVE(&(client->workspace->output->dock_clients), client, Client, dock_clients);
- }
-
- DLOG("child of 0x%08x.\n", client->frame);
- xcb_reparent_window(conn, client->child, root, 0, 0);
-
- client_unmap(conn, client);
-
- xcb_destroy_window(conn, client->frame);
- xcb_flush(conn);
- table_remove(&by_parent, client->frame);
-
- if (client->container != NULL) {
- Workspace *workspace = client->container->workspace;
- cleanup_table(conn, workspace);
- fix_colrowspan(conn, workspace);
- }
-
- /* 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 (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;
+ }
- if (workspace_empty) {
- client->workspace->output = NULL;
- ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
- }
+ /* See the end of this function. */
+ cookie = xcb_get_input_focus(conn);
- /* Remove the urgency flag if set */
- client->urgent = false;
- workspace_update_urgent_flag(client->workspace);
-
- FREE(client->window_class_instance);
- FREE(client->window_class_class);
- FREE(client->name);
- free(client);
-
- render_layout(conn);
-
- /* Ensure the focus is set to the next client in the focus stack or to
- * the screen itself (if we do not focus the screen, it can happen that
- * the focus is "nowhere" and thus keypress events will not be received
- * by i3, thus the user cannot use any hotkeys). */
- if (workspace_focused) {
- if (to_focus != NULL)
- set_focus(conn, to_focus, true);
- else {
- DLOG("Restoring focus to root screen\n");
- xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
- xcb_flush(conn);
- }
- }
+ if (con->ignore_unmap > 0) {
+ DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
+ con->ignore_unmap--;
+ goto ignore_end;
+ }
- return 1;
+ tree_close(con, DONT_KILL_WINDOW, false, false);
+ tree_render();
+ x_push_changes(croot);
+
+ignore_end:
+ /* If the client (as opposed to i3) destroyed or unmapped a window, an
+ * EnterNotify event will follow (indistinguishable from an EnterNotify
+ * event caused by moving your mouse), causing i3 to set focus to whichever
+ * window is now visible.
+ *
+ * In a complex stacked or tabbed layout (take two v-split containers in a
+ * tabbed container), when the bottom window in tab2 is closed, the bottom
+ * window of tab1 is visible instead. X11 will thus send an EnterNotify
+ * event for the bottom window of tab1, while the focus should be set to
+ * the remaining window of tab2.
+ *
+ * Therefore, we ignore all EnterNotify events which have the same sequence
+ * as an UnmapNotify event. */
+ add_ignore_event(event->sequence, XCB_ENTER_NOTIFY);
+
+ /* Since we just ignored the sequence of this UnmapNotify, we want to make
+ * sure that following events use a different sequence. When putting xterm
+ * into fullscreen and moving the pointer to a different window, without
+ * using GetInputFocus, subsequent (legitimate) EnterNotify events arrived
+ * with the same sequence and thus were ignored (see ticket #609). */
+ free(xcb_get_input_focus_reply(conn, cookie, NULL));
}
/*
* important fields in the event data structure).
*
*/
-int handle_destroy_notify_event(void *data, xcb_connection_t *conn, xcb_destroy_notify_event_t *event) {
- DLOG("destroy notify for 0x%08x, 0x%08x\n", event->event, event->window);
+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;
+ 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);
+ handle_unmap_notify_event(&unmap);
}
/*
* Called when a window changes its title
*
*/
-int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
+static bool handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
- if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
- DLOG("_NET_WM_NAME not specified, not changing\n");
- return 1;
- }
- Client *client = table_get(&by_child, window);
- if (client == NULL)
- return 1;
-
- /* Save the old pointer to make the update atomic */
- char *new_name;
- int new_len;
- asprintf(&new_name, "%.*s", xcb_get_property_value_length(prop), (char*)xcb_get_property_value(prop));
- /* Convert it to UCS-2 here for not having to convert it later every time we want to pass it to X */
- char *ucs2_name = convert_utf8_to_ucs2(new_name, &new_len);
- LOG("_NET_WM_NAME changed to \"%s\"\n", new_name);
- free(new_name);
-
- /* Check if they are the same and don’t update if so.
- Note the use of new_len * 2 to check all bytes as each glyph takes 2 bytes.
- Also note the use of memcmp() instead of strncmp() because the latter stops on nullbytes,
- but UCS-2 uses nullbytes to fill up glyphs which only use one byte. */
- if ((new_len == client->name_len) &&
- (client->name != NULL) &&
- (memcmp(client->name, ucs2_name, new_len * 2) == 0)) {
- free(ucs2_name);
- return 1;
- }
-
- char *old_name = client->name;
- client->name = ucs2_name;
- client->name_len = new_len;
- client->uses_net_wm_name = true;
-
- FREE(old_name);
+ Con *con;
+ if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
+ return false;
- /* If the client is a dock window, we don’t need to render anything */
- if (client->dock)
- return 1;
+ window_update_name(con->window, prop, false);
- int mode = container_mode(client->container, true);
- if (mode == MODE_STACK || mode == MODE_TABBED)
- render_container(conn, client->container);
- else decorate_window(conn, client, client->frame, client->titlegc, 0, 0);
- xcb_flush(conn);
+ x_push_changes(croot);
- return 1;
+ return true;
}
/*
- * We handle legacy window names (titles) which are in COMPOUND_TEXT encoding. However, we
- * just pass them along, so when containing non-ASCII characters, those will be rendering
- * incorrectly. In order to correctly render unicode window titles in i3, an application
- * has to set _NET_WM_NAME, which is in UTF-8 encoding.
- *
- * On every update, a message is put out to the user, so he may improve the situation and
- * update applications which display filenames in their title to correctly use
- * _NET_WM_NAME and therefore support unicode.
+ * 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,
+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) {
- if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
- DLOG("prop == NULL\n");
- return 1;
- }
- Client *client = table_get(&by_child, window);
- if (client == NULL)
- return 1;
-
- /* Client capable of _NET_WM_NAME, ignore legacy name changes */
- if (client->uses_net_wm_name)
- return 1;
-
- /* Save the old pointer to make the update atomic */
- char *new_name;
- if (asprintf(&new_name, "%.*s", xcb_get_property_value_length(prop), (char*)xcb_get_property_value(prop)) == -1) {
- perror("Could not get old name");
- DLOG("Could not get old name\n");
- return 1;
- }
- /* Convert it to UCS-2 here for not having to convert it later every time we want to pass it to X */
- LOG("WM_NAME changed to \"%s\"\n", new_name);
-
- /* Check if they are the same and don’t update if so. */
- if (client->name != NULL &&
- strlen(new_name) == strlen(client->name) &&
- strcmp(client->name, new_name) == 0) {
- free(new_name);
- return 1;
- }
+ Con *con;
+ if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
+ return false;
- LOG("Using legacy window title. Note that in order to get Unicode window titles in i3, "
- "the application has to set _NET_WM_NAME which is in UTF-8 encoding.\n");
+ window_update_name_legacy(con->window, prop, false);
- char *old_name = client->name;
- client->name = new_name;
- client->name_len = -1;
+ x_push_changes(croot);
- if (old_name != NULL)
- free(old_name);
+ return true;
+}
- /* If the client is a dock window, we don’t need to render anything */
- if (client->dock)
- return 1;
+/*
+ * 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;
- if (client->container != NULL &&
- (client->container->mode == MODE_STACK ||
- client->container->mode == MODE_TABBED))
- render_container(conn, client->container);
- else decorate_window(conn, client, client->frame, client->titlegc, 0, 0);
- xcb_flush(conn);
+ window_update_role(con->window, prop, false);
- return 1;
+ return true;
}
+#if 0
/*
* Updates the client’s WM_CLASS property
*
*/
-int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
+static int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
- if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
- DLOG("prop == NULL\n");
- return 1;
- }
- Client *client = table_get(&by_child, window);
- if (client == NULL)
- return 1;
-
- /* We cannot use asprintf here since this property contains two
- * null-terminated strings (for compatibility reasons). Instead, we
- * use strdup() on both strings */
- char *new_class = xcb_get_property_value(prop);
-
- FREE(client->window_class_instance);
- FREE(client->window_class_class);
+ Con *con;
+ if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
+ return 1;
- client->window_class_instance = strdup(new_class);
- if ((strlen(new_class) + 1) < xcb_get_property_value_length(prop))
- client->window_class_class = strdup(new_class + strlen(new_class) + 1);
- else client->window_class_class = NULL;
- LOG("WM_CLASS changed to %s (instance), %s (class)\n",
- client->window_class_instance, client->window_class_class);
+ window_update_class(con->window, prop, false);
- return 0;
+ return 0;
}
+#endif
/*
* Expose event means we should redraw our windows (= title bar)
*
*/
-int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) {
- /* 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);
-
- Client *client = table_get(&by_parent, event->window);
- if (client == NULL) {
- /* There was no client in the table, so this is probably an expose event for
- one of our stack_windows. */
- struct Stack_Window *stack_win;
- SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
- if (stack_win->window == event->window) {
- render_container(conn, stack_win->container);
- return 1;
- }
-
- /* …or one of the bars? */
- Output *output;
- TAILQ_FOREACH(output, &outputs, outputs)
- if (output->bar == event->window)
- render_layout(conn);
- return 1;
- }
+static void handle_expose_event(xcb_expose_event_t *event) {
+ Con *parent;
- if (client->dock)
- return 1;
-
- if (container_mode(client->container, true) == MODE_DEFAULT)
- decorate_window(conn, client, client->frame, client->titlegc, 0, 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;
+ 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;
}
/*
* Handle client messages (EWMH)
*
*/
-int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) {
- if (event->type == atoms[_NET_WM_STATE]) {
- if (event->format != 32 || event->data.data32[1] != atoms[_NET_WM_STATE_FULLSCREEN])
- return 0;
-
- Client *client = table_get(&by_child, event->window);
- if (client == NULL)
- return 0;
-
- /* Check if the fullscreen state should be toggled */
- if ((client->fullscreen &&
- (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
- event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
- (!client->fullscreen &&
- (event->data.data32[0] == _NET_WM_STATE_ADD ||
- event->data.data32[0] == _NET_WM_STATE_TOGGLE)))
- client_toggle_fullscreen(conn, client);
- } else {
- ELOG("unhandled clientmessage\n");
- return 0;
+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) {
+ DLOG("atom in clientmessage is %d, fullscreen is %d\n",
+ event->data.data32[1], A__NET_WM_STATE_FULLSCREEN);
+ DLOG("not about fullscreen atom\n");
+ return;
}
- return 1;
+ Con *con = con_by_window_id(event->window);
+ if (con == NULL) {
+ DLOG("Could not get window for client message\n");
+ return;
+ }
+
+ /* 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);
+ }
+
+ tree_render();
+ x_push_changes(croot);
+ } else if (event->type == A_I3_SYNC) {
+ DLOG("i3 sync, yay\n");
+ xcb_window_t window = event->data.data32[0];
+ uint32_t rnd = event->data.data32[1];
+ DLOG("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 {
+ 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
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
* See ICCCM 4.1.2.3 for more details
*
*/
-int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+static bool handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t name, xcb_get_property_reply_t *reply) {
- Client *client = table_get(&by_child, window);
- if (client == NULL) {
- DLOG("Received WM_SIZE_HINTS for unknown client\n");
- return 1;
- }
- xcb_size_hints_t size_hints;
+ Con *con = con_by_window_id(window);
+ if (con == NULL) {
+ DLOG("Received WM_NORMAL_HINTS for unknown client\n");
+ return false;
+ }
- CLIENT_LOG(client);
+ xcb_size_hints_t size_hints;
- /* If the hints were already in this event, use them, if not, request them */
- if (reply != NULL)
- xcb_get_wm_size_hints_from_reply(&size_hints, reply);
- else
- xcb_get_wm_normal_hints_reply(conn, xcb_get_wm_normal_hints_unchecked(conn, client->child), &size_hints, NULL);
+ //CLIENT_LOG(client);
- 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);
- }
+ /* 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);
- 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 (client->width_increment != size_hints.width_inc) {
- client->width_increment = size_hints.width_inc;
- changed = true;
- }
- if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF)
- if (client->height_increment != size_hints.height_inc) {
- client->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 ((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);
+ }
- if (base_width != client->base_width ||
- base_height != client->base_height) {
- client->base_width = base_width;
- client->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);
+ 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) {
- if (client->fullscreen)
- DLOG("Not resizing client, it is in fullscreen mode\n");
- else {
- resize_client(conn, client);
- xcb_flush(conn);
- }
- }
+ if (changed)
+ DLOG("resize increments changed\n");
+ }
- /* 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)) {
- return 1;
- }
+ 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;
+ }
- double width = client->rect.width - base_width;
- double height = client->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)
- return 1;
-
- /* Check if we need to set proportional_* variables using the correct ratio */
- if ((width / height) < min_aspect) {
- client->proportional_width = width;
- client->proportional_height = width / min_aspect;
- } else if ((width / height) > max_aspect) {
- client->proportional_width = width;
- client->proportional_height = width / max_aspect;
- } else return 1;
-
- client->force_reconfigure = true;
-
- if (client->container != NULL) {
- render_container(conn, client->container);
- xcb_flush(conn);
+ /* 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) {
+ if (con->proportional_width != width ||
+ con->proportional_height != (width / min_aspect)) {
+ con->proportional_width = width;
+ con->proportional_height = width / min_aspect;
+ changed = true;
+ }
+ } else if ((width / height) > max_aspect) {
+ if (con->proportional_width != width ||
+ con->proportional_height != (width / max_aspect)) {
+ con->proportional_width = width;
+ con->proportional_height = width / max_aspect;
+ changed = true;
}
+ } else goto render_and_return;
- return 1;
+render_and_return:
+ if (changed)
+ tree_render();
+ FREE(reply);
+ return true;
}
/*
* Handles the WM_HINTS property for extracting the urgency state of the window.
*
*/
-int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+static bool handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t name, xcb_get_property_reply_t *reply) {
- Client *client = table_get(&by_child, window);
- if (client == 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, client->child), &hints, NULL))
- return 1;
- }
+ Con *con = con_by_window_id(window);
+ if (con == NULL) {
+ DLOG("Received WM_HINTS for unknown client\n");
+ return false;
+ }
- Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
- if (!client->urgent && client == last_focused) {
- DLOG("Ignoring urgency flag for current client\n");
- return 1;
- }
+ xcb_icccm_wm_hints_t hints;
- /* Update the flag on the client directly */
- client->urgent = (xcb_wm_hints_get_urgency(&hints) != 0);
- CLIENT_LOG(client);
- LOG("Urgency flag changed to %d\n", client->urgent);
+ if (reply == NULL)
+ if (!(reply = xcb_get_property_reply(conn, xcb_icccm_get_wm_hints(conn, window), NULL)))
+ return false;
- workspace_update_urgent_flag(client->workspace);
- redecorate_window(conn, client);
+ if (!xcb_icccm_get_wm_hints_from_reply(&hints, reply))
+ return false;
- /* 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);
- }
+ if (!con->urgent && focused == con) {
+ DLOG("Ignoring urgency flag for current client\n");
+ goto end;
+ }
- return 1;
+ /* Update the flag on the client directly */
+ con->urgent = (xcb_icccm_wm_hints_get_urgency(&hints) != 0);
+ //CLIENT_LOG(con);
+ LOG("Urgency flag changed to %d\n", con->urgent);
+
+ Con *ws;
+ /* Set the urgency flag on the workspace, if a workspace could be found
+ * (for dock clients, that is not the case). */
+ if ((ws = con_get_workspace(con)) != NULL)
+ workspace_update_urgent_flag(ws);
+
+ tree_render();
+
+end:
+ if (con->window)
+ window_update_hints(con->window, reply);
+ else free(reply);
+ return true;
}
/*
* See ICCCM 4.1.2.6 for more details
*
*/
-int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
- xcb_atom_t name, xcb_get_property_reply_t *reply) {
- Client *client = table_get(&by_child, window);
- if (client == NULL) {
- DLOG("No such client\n");
- return 1;
- }
+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;
- xcb_window_t transient_for;
+ if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
+ DLOG("No such window\n");
+ return false;
+ }
- if (reply != NULL) {
- if (!xcb_get_wm_transient_for_from_reply(&transient_for, reply))
- return 1;
- } else {
- if (!xcb_get_wm_transient_for_reply(conn, xcb_get_wm_transient_for_unchecked(conn, window),
- &transient_for, NULL))
- return 1;
- }
+ 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;
+ }
- if (client->floating == FLOATING_AUTO_OFF) {
- DLOG("This is a popup window, putting into floating\n");
- toggle_floating_mode(conn, client, true);
- }
+ window_update_transient_for(con->window, prop);
- return 1;
+ return true;
}
/*
* toolwindow (or similar) and to which window it belongs (logical parent).
*
*/
-int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+static bool handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t name, xcb_get_property_reply_t *prop) {
- 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;
- }
+ Con *con;
+ if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
+ return false;
- Client *client = table_get(&by_child, window);
- if (client == NULL)
- return 1;
+ 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;
+ }
- xcb_window_t *leader = xcb_get_property_value(prop);
- if (leader == NULL)
- return 1;
+ window_update_leader(con->window, prop);
- DLOG("Client leader changed to %08x\n", *leader);
+ return true;
+}
- client->leader = *leader;
+/*
+ * 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;
+ }
- return 1;
+ if (event->detail == XCB_NOTIFY_DETAIL_POINTER) {
+ DLOG("notify detail is pointer, ignoring this event\n");
+ return;
+ }
+
+ if (focused_id == event->event) {
+ DLOG("focus matches the currently focused window, not doing anything\n");
+ return;
+ }
+
+ /* Skip dock clients, they cannot get the i3 focus. */
+ if (con->parent->type == CT_DOCKAREA) {
+ DLOG("This is a dock client, not focusing.\n");
+ return;
+ }
+
+ DLOG("focus is different, updating decorations\n");
+
+ /* Get the currently focused workspace to check if the focus change also
+ * involves changing workspaces. If so, we need to call workspace_show() to
+ * correctly update state and send the IPC event. */
+ Con *ws = con_get_workspace(con);
+ if (ws != con_get_workspace(focused))
+ workspace_show(ws);
+
+ con_focus(con);
+ /* We update focused_id because we don’t need to set focus again */
+ focused_id = event->event;
+ x_push_changes(croot);
+ return;
+}
+
+/* Returns false if the event could not be processed (e.g. the window could not
+ * be found), true otherwise */
+typedef bool (*cb_property_handler_t)(void *data, xcb_connection_t *c, uint8_t state, xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *property);
+
+struct property_handler_t {
+ xcb_atom_t atom;
+ uint32_t long_len;
+ cb_property_handler_t cb;
+};
+
+static struct property_handler_t property_handlers[] = {
+ { 0, 128, handle_windowname_change },
+ { 0, UINT_MAX, handle_hints },
+ { 0, 128, handle_windowname_change_legacy },
+ { 0, UINT_MAX, handle_normal_hints },
+ { 0, UINT_MAX, handle_clientleader_change },
+ { 0, UINT_MAX, handle_transient_for },
+ { 0, 128, handle_windowrole_change }
+};
+#define NUM_HANDLERS (sizeof(property_handlers) / sizeof(struct property_handler_t))
+
+/*
+ * Sets the appropriate atoms for the property handlers after the atoms were
+ * received from X11
+ *
+ */
+void property_handlers_init() {
+
+ sn_monitor_context_new(sndisplay, conn_screen, startup_monitor_event, NULL, NULL);
+
+ property_handlers[0].atom = A__NET_WM_NAME;
+ property_handlers[1].atom = XCB_ATOM_WM_HINTS;
+ property_handlers[2].atom = XCB_ATOM_WM_NAME;
+ property_handlers[3].atom = XCB_ATOM_WM_NORMAL_HINTS;
+ property_handlers[4].atom = A_WM_CLIENT_LEADER;
+ property_handlers[5].atom = XCB_ATOM_WM_TRANSIENT_FOR;
+ property_handlers[6].atom = A_WM_WINDOW_ROLE;
+}
+
+static void property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom) {
+ struct property_handler_t *handler = NULL;
+ xcb_get_property_reply_t *propr = NULL;
+
+ for (int c = 0; c < sizeof(property_handlers) / sizeof(struct property_handler_t); c++) {
+ if (property_handlers[c].atom != atom)
+ continue;
+
+ handler = &property_handlers[c];
+ break;
+ }
+
+ if (handler == NULL) {
+ //DLOG("Unhandled property notify for atom %d (0x%08x)\n", atom, atom);
+ return;
+ }
+
+ if (state != XCB_PROPERTY_DELETE) {
+ xcb_get_property_cookie_t cookie = xcb_get_property(conn, 0, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, handler->long_len);
+ propr = xcb_get_property_reply(conn, cookie, 0);
+ }
+
+ /* the handler will free() the reply unless it returns false */
+ if (!handler->cb(NULL, conn, state, window, atom, propr))
+ FREE(propr);
+}
+
+/*
+ * Takes an xcb_generic_event_t and calls the appropriate handler, based on the
+ * event type.
+ *
+ */
+void handle_event(int type, xcb_generic_event_t *event) {
+ if (randr_base > -1 &&
+ type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) {
+ handle_screen_change(event);
+ return;
+ }
+
+ switch (type) {
+ case XCB_KEY_PRESS:
+ handle_key_press((xcb_key_press_event_t*)event);
+ break;
+
+ case XCB_BUTTON_PRESS:
+ handle_button_press((xcb_button_press_event_t*)event);
+ break;
+
+ case XCB_MAP_REQUEST:
+ handle_map_request((xcb_map_request_event_t*)event);
+ break;
+
+ case XCB_UNMAP_NOTIFY:
+ handle_unmap_notify_event((xcb_unmap_notify_event_t*)event);
+ break;
+
+ case XCB_DESTROY_NOTIFY:
+ handle_destroy_notify_event((xcb_destroy_notify_event_t*)event);
+ break;
+
+ case XCB_EXPOSE:
+ handle_expose_event((xcb_expose_event_t*)event);
+ break;
+
+ case XCB_MOTION_NOTIFY:
+ handle_motion_notify((xcb_motion_notify_event_t*)event);
+ break;
+
+ /* Enter window = user moved his mouse over the window */
+ case XCB_ENTER_NOTIFY:
+ handle_enter_notify((xcb_enter_notify_event_t*)event);
+ break;
+
+ /* Client message are sent to the root window. The only interesting
+ * client message for us is _NET_WM_STATE, we honour
+ * _NET_WM_STATE_FULLSCREEN */
+ case XCB_CLIENT_MESSAGE:
+ handle_client_message((xcb_client_message_event_t*)event);
+ break;
+
+ /* Configure request = window tried to change size on its own */
+ case XCB_CONFIGURE_REQUEST:
+ handle_configure_request((xcb_configure_request_event_t*)event);
+ break;
+
+ /* Mapping notify = keyboard mapping changed (Xmodmap), re-grab bindings */
+ case XCB_MAPPING_NOTIFY:
+ handle_mapping_notify((xcb_mapping_notify_event_t*)event);
+ break;
+
+ case XCB_FOCUS_IN:
+ handle_focus_in((xcb_focus_in_event_t*)event);
+ break;
+
+ case XCB_PROPERTY_NOTIFY: {
+ xcb_property_notify_event_t *e = (xcb_property_notify_event_t*)event;
+ last_timestamp = e->time;
+ property_notify(e->state, e->window, e->atom);
+ break;
+ }
+
+ default:
+ //DLOG("Unhandled event of type %d\n", type);
+ break;
+ }
}
-#endif
projects / i3 / i3 / blobdiff