#include <assert.h>
#include <string.h>
#include <stdlib.h>
-#include <xcb/xcb.h>
+#include <time.h>
-#include <xcb/xcb_wm.h>
+#include <xcb/xcb.h>
+#include <xcb/xcb_atom.h>
#include <xcb/xcb_icccm.h>
+
#include <X11/XKBlib.h>
#include "i3.h"
#include "util.h"
#include "xinerama.h"
#include "config.h"
+#include "queue.h"
+#include "resize.h"
+#include "client.h"
+#include "manage.h"
+#include "floating.h"
/* 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 */
-int ignore_notify_event = -1;
+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));
+
+ event->sequence = sequence;
+ event->added = time(NULL);
+
+ LOG("Adding sequence %d to ignorelist\n", sequence);
+
+ 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);
+ }
+
+ SLIST_FOREACH(event, &ignore_events, ignore_events) {
+ if (event->sequence == sequence) {
+ LOG("Ignoring event (sequence %d)\n", sequence);
+ SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events);
+ free(event);
+ return true;
+ }
+ }
+
+ return false;
+}
/*
* Due to bindings like Mode_switch + <a>, we need to bind some keys in XCB_GRAB_MODE_SYNC.
*
*/
int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
- LOG("Keypress %d\n", event->detail);
+ LOG("Keypress %d, state raw = %d\n", event->detail, event->state);
+
+ /* Remove the numlock bit, all other bits are modifiers we can bind to */
+ uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
+ LOG("(removed numlock, state = %d)\n", state_filtered);
+ /* Only use the lower 8 bits of the state (modifier masks) so that mouse
+ * button masks are filtered out */
+ state_filtered &= 0xFF;
+ LOG("(removed upper 8 bits, state = %d)\n", state_filtered);
/* We need to get the keysym group (There are group 1 to group 4, each holding
two keysyms (without shift and with shift) using Xkb because X fails to
provide them reliably (it works in Xephyr, it does not in real X) */
XkbStateRec state;
if (XkbGetState(xkbdpy, XkbUseCoreKbd, &state) == Success && (state.group+1) == 2)
- event->state |= 0x2;
+ state_filtered |= BIND_MODE_SWITCH;
- LOG("state %d\n", event->state);
-
- /* Remove the numlock bit, all other bits are modifiers we can bind to */
- uint16_t state_filtered = event->state & ~XCB_MOD_MASK_LOCK;
+ LOG("(checked mode_switch, state %d)\n", state_filtered);
/* Find the binding */
Binding *bind;
- TAILQ_FOREACH(bind, &bindings, bindings)
- if (bind->keycode == event->detail && bind->mods == state_filtered)
- break;
+ TAILQ_FOREACH(bind, &bindings, bindings) {
+ /* First compare the modifiers */
+ if (bind->mods != state_filtered)
+ continue;
+
+ /* If a symbol was specified by the user, we need to look in
+ * the array of translated keycodes for the event’s keycode */
+ if (bind->symbol != NULL) {
+ if (memmem(bind->translated_to,
+ bind->number_keycodes * sizeof(xcb_keycode_t),
+ &(event->detail), sizeof(xcb_keycode_t)) != NULL)
+ break;
+ } else {
+ /* This case is easier: The user specified a keycode */
+ if (bind->keycode == event->detail)
+ break;
+ }
+ }
/* No match? Then it was an actively grabbed key, that is with Mode_switch, and
the user did not press Mode_switch, so just pass it… */
}
parse_command(conn, bind->command);
- if (event->state & 0x2) {
+ if (state_filtered & BIND_MODE_SWITCH) {
LOG("Mode_switch -> allow_events(SyncKeyboard)\n");
xcb_allow_events(conn, SyncKeyboard, event->time);
xcb_flush(conn);
return 1;
}
+/*
+ * Called with coordinates of an enter_notify event or motion_notify event
+ * to check if the user crossed virtual screen boundaries and adjust the
+ * current workspace, if so.
+ *
+ */
+static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
+ i3Screen *screen;
+
+ if ((screen = get_screen_containing(x, y)) == NULL) {
+ LOG("ERROR: No such screen\n");
+ return;
+ }
+ if (screen == c_ws->screen)
+ return;
+
+ c_ws->current_row = current_row;
+ c_ws->current_col = current_col;
+ c_ws = &workspaces[screen->current_workspace];
+ current_row = c_ws->current_row;
+ current_col = c_ws->current_col;
+ LOG("We're now on virtual screen number %d\n", screen->num);
+}
/*
* 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) {
- LOG("enter_notify for %08x, serial %d\n", event->event, event->sequence);
- /* Some events are not interesting, because they were not generated actively by the
- user, but be reconfiguration of windows */
- if (event->sequence == ignore_notify_event) {
- LOG("Ignoring, because of previous map\n");
+ LOG("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) {
+ LOG("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(byParent, event->event);
+ Client *client = table_get(&by_parent, event->event);
/* …or the client itself */
if (client == NULL)
- client = table_get(byChild, event->event);
+ 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;
+ }
+ }
+
/* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
if (client == NULL) {
LOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
- i3Screen *screen = get_screen_containing(event->root_x, event->root_y);
- if (screen == NULL) {
- LOG("ERROR: No such screen\n");
- return 0;
- }
- c_ws = &workspaces[screen->current_workspace];
- LOG("We're now on virtual screen number %d\n", screen->num);
+ check_crossing_screen_boundary(event->root_x, event->root_y);
+ return 1;
+ }
+
+ /* 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) {
+ LOG("Plausibility check says: no\n");
+ return 1;
+ }
+
+ if (client->workspace != c_ws && client->workspace->screen == c_ws->screen) {
+ /* 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. */
+ LOG("enter_notify for a client on a different workspace but the same screen, ignoring\n");
return 1;
}
- set_focus(conn, client);
+ set_focus(conn, client, false);
return 1;
}
+/*
+ * When the user moves the mouse but does not change the active window
+ * (e.g. when having no windows opened but moving mouse on the root screen
+ * 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) {
+ LOG("pointer motion notify, 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;
+}
+
+/*
+ * Called when the keyboard mapping changes (for example by using Xmodmap),
+ * we need to update our key bindings then (re-translate symbols).
+ *
+ */
+int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_notify_event_t *event) {
+ LOG("\n\nmapping notify\n\n");
+
+ if (event->request != XCB_MAPPING_KEYBOARD &&
+ event->request != XCB_MAPPING_MODIFIER)
+ return 0;
+
+ xcb_refresh_keyboard_mapping(keysyms, event);
+
+ xcb_get_numlock_mask(conn);
+
+ ungrab_all_keys(conn);
+ LOG("Re-grabbing...\n");
+ grab_all_keys(conn);
+ LOG("Done\n");
+
+ return 0;
+}
+
+/*
+ * Checks if the button press was on a stack window, handles focus setting and returns true
+ * if so, or false otherwise.
+ *
+ */
+static bool button_press_stackwin(xcb_connection_t *conn, xcb_button_press_event_t *event) {
+ struct Stack_Window *stack_win;
+ SLIST_FOREACH(stack_win, &stack_wins, stack_windows) {
+ if (stack_win->window != event->event)
+ continue;
+
+ /* A stack window was clicked, we check if it was button4 or button5
+ which are scroll up / scroll down. */
+ if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
+ direction_t direction = (event->detail == XCB_BUTTON_INDEX_4 ? D_UP : D_DOWN);
+ focus_window_in_container(conn, CUR_CELL, direction);
+ return true;
+ }
+
+ /* It was no scrolling, so we calculate the destination client by
+ dividing the Y position of the event through the height of a window
+ decoration and then set the focus to this client. */
+ i3Font *font = load_font(conn, config.font);
+ int decoration_height = (font->height + 2 + 2);
+ int destination = (event->event_y / decoration_height),
+ c = 0;
+ Client *client;
+
+ LOG("Click on stack_win for client %d\n", destination);
+ CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
+ if (c++ == destination) {
+ set_focus(conn, client, true);
+ return true;
+ }
+
+ return true;
+ }
+
+ return false;
+}
+
+/*
+ * Checks if the button press was on a bar, switches to the workspace and returns true
+ * if so, or false otherwise.
+ *
+ */
+static bool button_press_bar(xcb_connection_t *conn, xcb_button_press_event_t *event) {
+ i3Screen *screen;
+ TAILQ_FOREACH(screen, virtual_screens, screens) {
+ if (screen->bar != event->event)
+ continue;
+
+ LOG("Click on a bar\n");
+
+ /* Check if the button was one of button4 or button5 (scroll up / scroll down) */
+ if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
+ int add = (event->detail == XCB_BUTTON_INDEX_4 ? -1 : 1);
+ for (int i = c_ws->num + add; (i >= 0) && (i < 10); i += add)
+ if (workspaces[i].screen == screen) {
+ show_workspace(conn, i+1);
+ return true;
+ }
+ return true;
+ }
+ int drawn = 0;
+ /* Because workspaces can be on different screens, we need to loop
+ through all of them and decide to count it based on its ->screen */
+ for (int i = 0; i < 10; i++) {
+ if (workspaces[i].screen != screen)
+ continue;
+ LOG("Checking if click was on workspace %d with drawn = %d, tw = %d\n",
+ i, drawn, workspaces[i].text_width);
+ if (event->event_x > (drawn + 1) &&
+ event->event_x <= (drawn + 1 + workspaces[i].text_width + 5 + 5)) {
+ show_workspace(conn, i+1);
+ return true;
+ }
+
+ drawn += workspaces[i].text_width + 5 + 5 + 2;
+ }
+ return true;
+ }
+
+ return false;
+}
+
int handle_button_press(void *ignored, xcb_connection_t *conn, xcb_button_press_event_t *event) {
LOG("button press!\n");
+ LOG("state = %d\n", event->state);
/* This was either a focus for a client’s parent (= titlebar)… */
- Client *client = table_get(byChild, event->event);
+ Client *client = table_get(&by_child, event->event);
bool border_click = false;
if (client == NULL) {
- client = table_get(byParent, event->event);
+ client = table_get(&by_parent, event->event);
border_click = true;
}
+ /* See if this was a click with the configured modifier. If so, we need
+ * to move around the client if it was floating. if not, we just process
+ * as usual. */
+ if (config.floating_modifier != 0 &&
+ (event->state & config.floating_modifier) != 0) {
+ if (client == NULL) {
+ LOG("Not handling, floating_modifier was pressed and no client found\n");
+ return 1;
+ }
+ if (client_is_floating(client)) {
+ floating_drag_window(conn, client, event);
+ return 1;
+ }
+ }
+
if (client == NULL) {
/* The client was neither on a client’s titlebar nor on a client itself, maybe on a stack_window? */
- struct Stack_Window *stack_win;
- SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
- if (stack_win->window == event->event) {
- /* A stack window was clicked. We calculate the destination client by
- dividing the Y position of the event through the height of a window
- decoration and then set the focus to this client. */
- i3Font *font = load_font(conn, config.font);
- int decoration_height = (font->height + 2 + 2);
- int destination = (event->event_y / decoration_height),
- c = 0;
- Client *client;
-
- LOG("Click on stack_win for client %d\n", destination);
- CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
- if (c++ == destination) {
- set_focus(conn, client);
- return 1;
- }
+ if (button_press_stackwin(conn, event))
+ return 1;
- return 1;
- }
+ /* Or on a bar? */
+ if (button_press_bar(conn, event))
+ return 1;
+ LOG("Could not handle this button press\n");
return 1;
}
- xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
- xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
-
/* Set focus in any case */
- set_focus(conn, client);
+ set_focus(conn, client, true);
/* Let’s see if this was on the borders (= resize). If not, we’re done */
LOG("press button on x=%d, y=%d\n", event->event_x, event->event_y);
+ resize_orientation_t orientation = O_VERTICAL;
+ Container *con = client->container;
+ int first, second;
- Container *con = client->container,
- *first = NULL,
- *second = NULL;
- enum { O_HORIZONTAL, O_VERTICAL } orientation = O_VERTICAL;
- int new_position;
-
- if (con == NULL) {
+ if (client->dock) {
LOG("dock. done.\n");
xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
xcb_flush(conn);
LOG("event->event_x = %d, client->rect.width = %d\n", event->event_x, client->rect.width);
+ /* Some clients (xfontsel for example) seem to pass clicks on their
+ * window to the parent window, thus we receive an event here which in
+ * reality is a border_click. Check for the position and fix state. */
+ if (border_click &&
+ event->event_x >= client->child_rect.x &&
+ event->event_x <= (client->child_rect.x + client->child_rect.width) &&
+ event->event_y >= client->child_rect.y &&
+ event->event_y <= (client->child_rect.y + client->child_rect.height)) {
+ LOG("Fixing border_click = false because of click in child\n");
+ border_click = false;
+ }
+
if (!border_click) {
LOG("client. done.\n");
xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
+ /* Floating clients should be raised on click */
+ if (client_is_floating(client))
+ xcb_raise_window(conn, client->frame);
xcb_flush(conn);
return 1;
}
+ /* Don’t handle events inside the titlebar, only borders are interesting */
+ i3Font *font = load_font(conn, config.font);
+ if (event->event_y >= 2 && event->event_y <= (font->height + 2 + 2)) {
+ LOG("click on titlebar\n");
+
+ /* Floating clients can be dragged by grabbing their titlebar */
+ if (client_is_floating(client)) {
+ /* Firstly, we raise it. Maybe the user just wanted to raise it without grabbing */
+ xcb_raise_window(conn, client->frame);
+ xcb_flush(conn);
+
+ floating_drag_window(conn, client, event);
+ }
+ return 1;
+ }
+
+ if (client_is_floating(client))
+ return floating_border_click(conn, client, event);
+
if (event->event_y < 2) {
/* This was a press on the top border */
if (con->row == 0)
return 1;
- first = con->workspace->table[con->col][con->row-1];
- second = con;
+ first = con->row - 1;
+ second = con->row;
orientation = O_HORIZONTAL;
} else if (event->event_y >= (client->rect.height - 2)) {
/* …bottom border */
- if (con->row == (con->workspace->rows-1))
+ first = con->row + (con->rowspan - 1);
+ if (!cell_exists(con->col, first) ||
+ (first == (con->workspace->rows-1)))
return 1;
- first = con;
- second = con->workspace->table[con->col][con->row+1];
+
+ second = first + 1;
orientation = O_HORIZONTAL;
} else if (event->event_x <= 2) {
/* …left border */
if (con->col == 0)
return 1;
- first = con->workspace->table[con->col-1][con->row];
- second = con;
+
+ first = con->col - 1;
+ second = con->col;
} else if (event->event_x > 2) {
/* …right border */
- if (con->col == (con->workspace->cols-1))
+ first = con->col + (con->colspan - 1);
+ LOG("column %d\n", first);
+
+ if (!cell_exists(first, con->row) ||
+ (first == (con->workspace->cols-1)))
return 1;
- first = con;
- second = con->workspace->table[con->col+1][con->row];
- }
-
- /* Open a new window, the resizebar. Grab the pointer and move the window around
- as the user moves the pointer. */
- Rect grabrect = {0, 0, root_screen->width_in_pixels, root_screen->height_in_pixels};
- xcb_window_t grabwin = create_window(conn, grabrect, XCB_WINDOW_CLASS_INPUT_ONLY, -1, 0, NULL);
-
- Rect helprect;
- if (orientation == O_VERTICAL) {
- helprect.x = event->root_x;
- helprect.y = 0;
- helprect.width = 2;
- helprect.height = root_screen->height_in_pixels; /* this has to be the cell’s height */
- new_position = event->root_x;
- } else {
- helprect.x = 0;
- helprect.y = event->root_y;
- helprect.width = root_screen->width_in_pixels; /* this has to be the cell’s width */
- helprect.height = 2;
- new_position = event->root_y;
+
+ second = first + 1;
}
- xcb_window_t helpwin = create_window(conn, helprect, XCB_WINDOW_CLASS_INPUT_OUTPUT,
- (orientation == O_VERTICAL ?
- XCB_CURSOR_SB_V_DOUBLE_ARROW :
- XCB_CURSOR_SB_H_DOUBLE_ARROW), 0, NULL);
- uint32_t values[1] = {get_colorpixel(conn, "#4c7899")};
- xcb_void_cookie_t cookie = xcb_change_window_attributes_checked(conn, helpwin, XCB_CW_BACK_PIXEL, values);
- check_error(conn, cookie, "Could not change window attributes (background color)");
+ return resize_graphical_handler(conn, con->workspace, first, second, orientation, event);
+}
- xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, helpwin);
+/*
+ * 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;
- xcb_grab_pointer(conn, false, root, XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION,
- XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, grabwin, XCB_NONE, XCB_CURRENT_TIME);
+ cookie = xcb_get_window_attributes_unchecked(conn, event->window);
- xcb_flush(conn);
+ LOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
+ add_ignore_event(event->sequence);
- xcb_generic_event_t *inside_event;
- /* I’ve always wanted to have my own eventhandler… */
- while ((inside_event = xcb_wait_for_event(conn))) {
- /* Same as get_event_handler in xcb */
- int nr = inside_event->response_type;
- if (nr == 0) {
- /* An error occured */
- handle_event(NULL, conn, inside_event);
- free(inside_event);
- continue;
- }
- assert(nr < 256);
- nr &= XCB_EVENT_RESPONSE_TYPE_MASK;
- assert(nr >= 2);
+ manage_window(prophs, conn, event->window, cookie, false);
+ return 1;
+}
- /* Check if we need to escape this loop */
- if (nr == XCB_BUTTON_RELEASE)
- break;
+/*
+ * 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.
+ *
+ */
+int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure_request_event_t *event) {
+ LOG("configure-request, serial %d\n", event->sequence);
+ LOG("event->window = %08x\n", event->window);
+ LOG("application wants to be at %dx%d with %dx%d\n", event->x, event->y, event->width, event->height);
- switch (nr) {
- case XCB_MOTION_NOTIFY:
- if (orientation == O_VERTICAL) {
- values[0] = new_position = ((xcb_motion_notify_event_t*)inside_event)->root_x;
- xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_X, values);
- } else {
- values[0] = new_position = ((xcb_motion_notify_event_t*)inside_event)->root_y;
- xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_Y, values);
- }
+ Client *client = table_get(&by_child, event->window);
+ if (client == NULL) {
+ LOG("This client is not mapped, so we don't care and just tell the client that he will get its size\n");
+ 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)
+
+ 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);
+
+ xcb_configure_window(conn, event->window, mask, values);
+ xcb_flush(conn);
- xcb_flush(conn);
- break;
- case XCB_EXPOSE:
- /* Use original handler */
- xcb_event_handle(&evenths, inside_event);
- break;
- default:
- LOG("Ignoring event of type %d\n", nr);
- break;
- }
- free(inside_event);
+ return 1;
}
- xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
- xcb_destroy_window(conn, helpwin);
- xcb_destroy_window(conn, grabwin);
- xcb_flush(conn);
-
- Workspace *ws = con->workspace;
- if (orientation == O_VERTICAL) {
- LOG("Resize was from X = %d to X = %d\n", event->root_x, new_position);
- if (event->root_x == new_position) {
- LOG("Nothing changed, not updating anything\n");
- return 1;
- }
+ if (client->fullscreen) {
+ LOG("Client is in fullscreen mode\n");
- /* Convert 0 (for default width_factor) to actual numbers */
- if (first->width_factor == 0)
- first->width_factor = ((float)ws->rect.width / ws->cols) / ws->rect.width;
- if (second->width_factor == 0)
- second->width_factor = ((float)ws->rect.width / ws->cols) / ws->rect.width;
+ Rect child_rect = client->workspace->rect;
+ child_rect.x = child_rect.y = 0;
+ fake_configure_notify(conn, child_rect, client->child);
- first->width_factor *= (float)(first->width + (new_position - event->root_x)) / first->width;
- second->width_factor *= (float)(second->width - (new_position - event->root_x)) / second->width;
- } else {
- LOG("Resize was from Y = %d to Y = %d\n", event->root_y, new_position);
- if (event->root_y == new_position) {
- LOG("Nothing changed, not updating anything\n");
- return 1;
- }
+ return 1;
+ }
- /* Convert 0 (for default height_factor) to actual numbers */
- if (first->height_factor == 0)
- first->height_factor = ((float)ws->rect.height / ws->rows) / ws->rect.height;
- if (second->height_factor == 0)
- second->height_factor = ((float)ws->rect.height / ws->rows) / ws->rect.height;
+ /* Floating clients can be reconfigured */
+ if (client_is_floating(client)) {
+ i3Font *font = load_font(conn, config.font);
+
+ if (event->value_mask & XCB_CONFIG_WINDOW_X)
+ client->rect.x = event->x;
+ if (event->value_mask & XCB_CONFIG_WINDOW_Y)
+ client->rect.y = event->y;
+ if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH)
+ client->rect.width = event->width + 2 + 2;
+ if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
+ client->rect.height = event->height + (font->height + 2 + 2) + 2;
+
+ LOG("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);
- first->height_factor *= (float)(first->height + (new_position - event->root_y)) / first->height;
- second->height_factor *= (float)(second->height - (new_position - event->root_y)) / second->height;
+ return 1;
}
- render_layout(conn);
+ if (client->fullscreen) {
+ LOG("Client is in fullscreen mode\n");
- return 1;
-}
+ 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);
-/*
- * A new window appeared on the screen (=was mapped), so let’s manage it.
- *
- */
-int handle_map_notify_event(void *prophs, xcb_connection_t *conn, xcb_map_notify_event_t *event) {
- window_attributes_t wa = { TAG_VALUE };
- wa.u.override_redirect = event->override_redirect;
- LOG("MapNotify for 0x%08x, serial is %d.\n", event->window, event->sequence);
- LOG("setting ignore_notify_event = %d\n", event->sequence);
- ignore_notify_event = event->sequence;
- manage_window(prophs, conn, event->window, wa);
return 1;
}
int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event) {
xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
- LOG("handle_configure_event\n");
+ LOG("handle_configure_event for window %08x\n", event->window);
LOG("event->type = %d, \n", event->response_type);
LOG("event->x = %d, ->y = %d, ->width = %d, ->height = %d\n", event->x, event->y, event->width, event->height);
- LOG("sequence = %d\n", event->sequence);
- ignore_notify_event = 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);
if (event->event == root) {
LOG("reconfigure of the root window, need to xinerama\n");
return 1;
}
- Client *client = table_get(byChild, event->window);
- if (client == NULL) {
- LOG("client not managed, ignoring\n");
- return 1;
- }
-
- if (client->fullscreen) {
- LOG("client in fullscreen, not touching\n");
- return 1;
- }
-
- /* Let’s see if the application has changed size/position on its own *sigh*… */
- if ((event->x != client->child_rect.x) ||
- (event->y != client->child_rect.y) ||
- (event->width != client->child_rect.width) ||
- (event->height != client->child_rect.height)) {
- /* Who is your window manager? Who’s that, huh? I AM YOUR WINDOW MANAGER! */
- LOG("Application wanted to resize itself. Fixed that.\n");
- client->force_reconfigure = true;
- render_container(conn, client->container);
- xcb_flush(conn);
- }
-
return 1;
}
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;
- LOG("setting ignore_notify_event = %d\n", event->sequence);
+ add_ignore_event(event->sequence);
- ignore_notify_event = event->sequence;
-
- Client *client = table_get(byChild, event->window);
+ 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;
}
- client = table_remove(byChild, event->window);
- LOG("UnmapNotify for 0x%08x (received from 0x%08x): ", event->window, event->event);
+ LOG("event->window = %08x, event->event = %08x\n", event->window, event->event);
+ LOG("UnmapNotify for 0x%08x (received from 0x%08x)\n", event->window, event->event);
if (client == NULL) {
LOG("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;
}
- if (client->name != NULL)
- free(client->name);
+ 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;
- /* If this was the fullscreen client, we need to unset it */
- if (client->fullscreen)
- con->workspace->fullscreen_client = NULL;
-
/* Remove the client from the list of clients */
- remove_client_from_container(conn, client, con);
-
- /* Remove from the focus stack */
- LOG("Removing from focus stack\n");
- SLIST_REMOVE(&(con->workspace->focus_stack), client, Client, focus_clients);
-
- /* Set currently_focused to the next client which will get focus in this
- particular container. This does not necessarily correspond with the client
- that will be focused next */
- con->currently_focused = NULL;
- Client *focus_client;
- SLIST_FOREACH(focus_client, &(con->workspace->focus_stack), focus_clients)
- if (focus_client->container == con) {
- con->currently_focused = focus_client;
- set_focus(conn, focus_client);
- break;
- }
+ 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)) {
+ LOG("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) {
+ LOG("Removing from dock clients\n");
+ SLIST_REMOVE(&(client->workspace->screen->dock_clients), client, Client, dock_clients);
}
LOG("child of 0x%08x.\n", client->frame);
xcb_reparent_window(conn, client->child, root, 0, 0);
xcb_destroy_window(conn, client->frame);
xcb_flush(conn);
- table_remove(byParent, client->frame);
+ 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_active = false;
+ Client *to_focus = (!workspace_empty ? SLIST_FIRST(&(client->workspace->focus_stack)) : NULL);
+
+ /* If this workspace is currently active, we don’t delete it */
+ i3Screen *screen;
+ TAILQ_FOREACH(screen, virtual_screens, screens)
+ if (screen->current_workspace == client->workspace->num) {
+ workspace_active = true;
+ workspace_empty = false;
+ break;
+ }
- cleanup_table(conn, client->container->workspace);
+ if (workspace_empty) {
+ LOG("setting ws to NULL for workspace %d (%p)\n", client->workspace->num,
+ client->workspace);
+ client->workspace->screen = NULL;
+ }
+ FREE(client->window_class);
+ FREE(client->name);
free(client);
render_layout(conn);
+ /* Ensure the focus is set to the next client in the focus stack */
+ if (workspace_active && to_focus != NULL)
+ set_focus(conn, to_focus, true);
+
return 1;
}
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) {
LOG("window's name changed.\n");
- if (prop == NULL) {
+ if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
+ LOG("_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("Name should change 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)) {
+ LOG("Name did not change, not updating\n");
+ 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);
+
+ /* If the client is a dock window, we don’t need to render anything */
+ if (client->dock)
+ return 1;
+
+ if (client->container != NULL && client->container->mode == MODE_STACK)
+ render_container(conn, client->container);
+ else decorate_window(conn, client, client->frame, client->titlegc, 0);
+ xcb_flush(conn);
+
+ return 1;
+}
+
+/*
+ * 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.
+ *
+ */
+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) {
+ LOG("window's name changed (legacy).\n");
+ if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
LOG("prop == NULL\n");
return 1;
}
- Client *client = table_get(byChild, window);
+ Client *client = table_get(&by_child, window);
if (client == NULL)
return 1;
+ if (client->uses_net_wm_name) {
+ LOG("This client is capable of _NET_WM_NAME, ignoring legacy name\n");
+ 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");
+ LOG("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("Name should change 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) {
+ LOG("Name did not change, not updating\n");
+ free(new_name);
+ return 1;
+ }
+
+ 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");
+
char *old_name = client->name;
- asprintf(&(client->name), "%.*s", xcb_get_property_value_length(prop), (char*)xcb_get_property_value(prop));
+ client->name = new_name;
+ client->name_len = -1;
+
if (old_name != NULL)
free(old_name);
- LOG("rename to \"%s\".\n", client->name);
- if (client->container->mode == MODE_STACK)
+ /* If the client is a dock window, we don’t need to render anything */
+ if (client->dock)
+ return 1;
+
+ if (client->container != NULL && client->container->mode == MODE_STACK)
render_container(conn, client->container);
else decorate_window(conn, client, client->frame, client->titlegc, 0);
xcb_flush(conn);
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) {
+ LOG("window class changed\n");
+ if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
+ LOG("prop == NULL\n");
+ return 1;
+ }
+ Client *client = table_get(&by_child, window);
+ if (client == NULL)
+ return 1;
+ char *new_class;
+ if (asprintf(&new_class, "%.*s", xcb_get_property_value_length(prop), (char*)xcb_get_property_value(prop)) == -1) {
+ perror("Could not get window class");
+ LOG("Could not get window class\n");
+ return 1;
+ }
+
+ LOG("changed to %s\n", new_class);
+ char *old_class = client->window_class;
+ client->window_class = new_class;
+ FREE(old_class);
+
+ if (!client->initialized) {
+ LOG("Client is not yet initialized, not putting it to floating\n");
+ return 1;
+ }
+
+ if (strcmp(new_class, "tools") == 0 || strcmp(new_class, "Dialog") == 0) {
+ LOG("tool/dialog window, should we put it floating?\n");
+ if (client->floating == FLOATING_AUTO_OFF)
+ toggle_floating_mode(conn, client, true);
+ }
+
+ return 1;
+}
+
/*
* Expose event means we should redraw our windows (= title bar)
*
return 1;
LOG("window = %08x\n", event->window);
- Client *client = table_get(byParent, 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. */
render_container(conn, stack_win->container);
return 1;
}
+
+ /* …or one of the bars? */
+ i3Screen *screen;
+ TAILQ_FOREACH(screen, virtual_screens, screens)
+ if (screen->bar == event->window)
+ render_layout(conn);
return 1;
}
LOG("got client %s\n", client->name);
- if (client->container->mode != MODE_STACK)
+ if (client->dock) {
+ LOG("this is a dock\n");
+ return 1;
+ }
+
+ if (client->container == NULL || client->container->mode != MODE_STACK)
decorate_window(conn, client, client->frame, client->titlegc, 0);
else {
uint32_t background_color;
/* Distinguish if the window is currently focused… */
if (CUR_CELL->currently_focused == client)
- background_color = get_colorpixel(conn, "#285577");
+ background_color = config.client.focused.background;
/* …or if it is the focused window in a not focused container */
- else background_color = get_colorpixel(conn, "#555555");
+ 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};
LOG("fullscreen\n");
- Client *client = table_get(byChild, event->window);
+ Client *client = table_get(&by_child, event->window);
if (client == NULL)
return 0;
(!client->fullscreen &&
(event->data.data32[0] == _NET_WM_STATE_ADD ||
event->data.data32[0] == _NET_WM_STATE_TOGGLE)))
- toggle_fullscreen(conn, client);
+ client_toggle_fullscreen(conn, client);
} else {
LOG("unhandled clientmessage\n");
return 0;
return 1;
}
-int window_type_handler(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
+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. */
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) {
LOG("handle_normal_hints\n");
- Client *client = table_get(byChild, window);
+ Client *client = table_get(&by_child, window);
if (client == NULL) {
LOG("No such client\n");
return 1;
}
xcb_size_hints_t size_hints;
+ LOG("client is %08x / child %08x\n", client->frame, client->child);
/* If the hints were already in this event, use them, if not, request them */
if (reply != NULL)
else
xcb_get_wm_normal_hints_reply(conn, xcb_get_wm_normal_hints_unchecked(conn, client->child), &size_hints, NULL);
+ if ((size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE)) {
+ LOG("min size set\n");
+ LOG("gots min_width = %d, min_height = %d\n", size_hints.min_width, size_hints.min_height);
+ }
+
/* 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) ||
LOG("window is %08x / %s\n", client->child, client->name);
- int base_width = 0, base_height = 0,
- min_width = 0, min_height = 0;
+ 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
base_height = size_hints.min_height;
}
- if (size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
- min_width = size_hints.min_width;
- min_height = size_hints.min_height;
- } else if (size_hints.flags & XCB_SIZE_HINT_P_SIZE) {
- min_width = size_hints.base_width;
- min_height = size_hints.base_height;
- }
-
double width = client->rect.width - base_width;
double height = client->rect.height - base_height;
/* Convert numerator/denominator to a double */
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 *reply) {
+ LOG("Transient hint!\n");
+ Client *client = table_get(&by_child, window);
+ if (client == NULL) {
+ LOG("No such client\n");
+ return 1;
+ }
+
+ xcb_window_t transient_for;
+
+ if (reply != NULL) {
+ if (!xcb_get_wm_transient_for_from_reply(&transient_for, reply)) {
+ LOG("Not transient for any window\n");
+ return 1;
+ }
+ } else {
+ if (!xcb_get_wm_transient_for_reply(conn, xcb_get_wm_transient_for_unchecked(conn, window),
+ &transient_for, NULL)) {
+ LOG("Not transient for any window\n");
+ return 1;
+ }
+ }
+
+ if (client->floating == FLOATING_AUTO_OFF) {
+ LOG("This is a popup window, putting into floating\n");
+ toggle_floating_mode(conn, client, true);
+ }
+
+ 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) {
+ LOG("client leader changed\n");
+ if (prop == NULL) {
+ prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
+ false, window, WM_CLIENT_LEADER, WINDOW, 0, 32), NULL);
+ }
+
+ Client *client = table_get(&by_child, window);
+ if (client == NULL)
+ return 1;
+
+ xcb_window_t *leader = xcb_get_property_value(prop);
+ if (leader == NULL)
+ return 1;
+
+ LOG("changed to %08x\n", *leader);
+
+ client->leader = *leader;
+
+ return 1;
+}