2 #define I3__FILE__ "floating.c"
4 * vim:ts=4:sw=4:expandtab
6 * i3 - an improved dynamic tiling window manager
7 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
9 * floating.c: Floating windows.
14 extern xcb_connection_t *conn;
17 * Calculates sum of heights and sum of widths of all currently active outputs
20 static Rect total_outputs_dimensions(void) {
22 /* Use Rect to encapsulate dimensions, ignoring x/y */
23 Rect outputs_dimensions = {0, 0, 0, 0};
24 TAILQ_FOREACH(output, &outputs, outputs) {
25 outputs_dimensions.height += output->rect.height;
26 outputs_dimensions.width += output->rect.width;
28 return outputs_dimensions;
32 * Called when a floating window is created or resized.
33 * This function resizes the window if its size is higher or lower than the
34 * configured maximum/minimum size, respectively.
37 void floating_check_size(Con *floating_con) {
38 /* Define reasonable minimal and maximal sizes for floating windows */
39 const int floating_sane_min_height = 50;
40 const int floating_sane_min_width = 75;
41 Rect floating_sane_max_dimensions;
42 Con *focused_con = con_descend_focused(floating_con);
44 /* obey size increments */
45 if (focused_con->height_increment || focused_con->width_increment) {
46 Rect border_rect = con_border_style_rect(focused_con);
48 /* We have to do the opposite calculations that render_con() do
49 * to get the exact size we want. */
50 border_rect.width = -border_rect.width;
51 border_rect.width += 2 * focused_con->border_width;
52 border_rect.height = -border_rect.height;
53 border_rect.height += 2 * focused_con->border_width;
54 if (con_border_style(focused_con) == BS_NORMAL)
55 border_rect.height += render_deco_height();
57 if (focused_con->height_increment &&
58 floating_con->rect.height >= focused_con->base_height + border_rect.height) {
59 floating_con->rect.height -= focused_con->base_height + border_rect.height;
60 floating_con->rect.height -= floating_con->rect.height % focused_con->height_increment;
61 floating_con->rect.height += focused_con->base_height + border_rect.height;
64 if (focused_con->width_increment &&
65 floating_con->rect.width >= focused_con->base_width + border_rect.width) {
66 floating_con->rect.width -= focused_con->base_width + border_rect.width;
67 floating_con->rect.width -= floating_con->rect.width % focused_con->width_increment;
68 floating_con->rect.width += focused_con->base_width + border_rect.width;
72 /* Unless user requests otherwise (-1), ensure width/height do not exceed
73 * configured maxima or, if unconfigured, limit to combined width of all
75 if (config.floating_minimum_height != -1) {
76 if (config.floating_minimum_height == 0)
77 floating_con->rect.height = max(floating_con->rect.height, floating_sane_min_height);
79 floating_con->rect.height = max(floating_con->rect.height, config.floating_minimum_height);
81 if (config.floating_minimum_width != -1) {
82 if (config.floating_minimum_width == 0)
83 floating_con->rect.width = max(floating_con->rect.width, floating_sane_min_width);
85 floating_con->rect.width = max(floating_con->rect.width, config.floating_minimum_width);
88 /* Unless user requests otherwise (-1), raise the width/height to
89 * reasonable minimum dimensions */
90 floating_sane_max_dimensions = total_outputs_dimensions();
91 if (config.floating_maximum_height != -1) {
92 if (config.floating_maximum_height == 0)
93 floating_con->rect.height = min(floating_con->rect.height, floating_sane_max_dimensions.height);
95 floating_con->rect.height = min(floating_con->rect.height, config.floating_maximum_height);
97 if (config.floating_maximum_width != -1) {
98 if (config.floating_maximum_width == 0)
99 floating_con->rect.width = min(floating_con->rect.width, floating_sane_max_dimensions.width);
101 floating_con->rect.width = min(floating_con->rect.width, config.floating_maximum_width);
105 void floating_enable(Con *con, bool automatic) {
106 bool set_focus = (con == focused);
108 if (con->parent && con->parent->type == CT_DOCKAREA) {
109 LOG("Container is a dock window, not enabling floating mode.\n");
113 if (con_is_floating(con)) {
114 LOG("Container is already in floating mode, not doing anything.\n");
118 /* 1: If the container is a workspace container, we need to create a new
119 * split-container with the same layout and make that one floating. We
120 * cannot touch the workspace container itself because floating containers
121 * are children of the workspace. */
122 if (con->type == CT_WORKSPACE) {
123 LOG("This is a workspace, creating new container around content\n");
124 if (con_num_children(con) == 0) {
125 LOG("Workspace is empty, aborting\n");
128 /* TODO: refactor this with src/con.c:con_set_layout */
129 Con *new = con_new(NULL, NULL);
131 new->layout = con->layout;
133 /* since the new container will be set into floating mode directly
134 * afterwards, we need to copy the workspace rect. */
135 memcpy(&(new->rect), &(con->rect), sizeof(Rect));
137 Con *old_focused = TAILQ_FIRST(&(con->focus_head));
138 if (old_focused == TAILQ_END(&(con->focus_head)))
141 /* 4: move the existing cons of this workspace below the new con */
142 DLOG("Moving cons\n");
144 while (!TAILQ_EMPTY(&(con->nodes_head))) {
145 child = TAILQ_FIRST(&(con->nodes_head));
147 con_attach(child, new, true);
150 /* 4: attach the new split container to the workspace */
151 DLOG("Attaching new split to ws\n");
152 con_attach(new, con, false);
155 con_focus(old_focused);
161 /* 1: detach the container from its parent */
162 /* TODO: refactor this with tree_close() */
163 TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
164 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
166 con_fix_percent(con->parent);
168 /* 2: create a new container to render the decoration on, add
169 * it as a floating window to the workspace */
170 Con *nc = con_new(NULL, NULL);
171 /* we need to set the parent afterwards instead of passing it as an
172 * argument to con_new() because nc would be inserted into the tiling layer
174 Con *ws = con_get_workspace(con);
176 nc->type = CT_FLOATING_CON;
177 nc->layout = L_SPLITH;
178 /* We insert nc already, even though its rect is not yet calculated. This
179 * is necessary because otherwise the workspace might be empty (and get
180 * closed in tree_close()) even though it’s not. */
181 TAILQ_INSERT_TAIL(&(ws->floating_head), nc, floating_windows);
182 TAILQ_INSERT_TAIL(&(ws->focus_head), nc, focused);
184 /* check if the parent container is empty and close it if so */
185 if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) &&
186 con_num_children(con->parent) == 0) {
187 DLOG("Old container empty after setting this child to floating, closing\n");
188 tree_close(con->parent, DONT_KILL_WINDOW, false, false);
192 sasprintf(&name, "[i3 con] floatingcon around %p", con);
193 x_set_name(nc, name);
196 /* find the height for the decorations */
197 int deco_height = render_deco_height();
199 DLOG("Original rect: (%d, %d) with %d x %d\n", con->rect.x, con->rect.y, con->rect.width, con->rect.height);
200 DLOG("Geometry = (%d, %d) with %d x %d\n", con->geometry.x, con->geometry.y, con->geometry.width, con->geometry.height);
201 Rect zero = {0, 0, 0, 0};
202 nc->rect = con->geometry;
203 /* If the geometry was not set (split containers), we need to determine a
204 * sensible one by combining the geometry of all children */
205 if (memcmp(&(nc->rect), &zero, sizeof(Rect)) == 0) {
206 DLOG("Geometry not set, combining children\n");
208 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
209 DLOG("child geometry: %d x %d\n", child->geometry.width, child->geometry.height);
210 nc->rect.width += child->geometry.width;
211 nc->rect.height = max(nc->rect.height, child->geometry.height);
215 floating_check_size(nc);
217 /* 3: attach the child to the new parent container. We need to do this
218 * because con_border_style_rect() needs to access con->parent. */
221 con->floating = FLOATING_USER_ON;
223 /* 4: set the border style as specified with new_float */
225 con->border_style = config.default_floating_border;
227 /* Add pixels for the decoration. */
228 Rect border_style_rect = con_border_style_rect(con);
230 nc->rect.height -= border_style_rect.height;
231 nc->rect.width -= border_style_rect.width;
233 /* Add some more pixels for the title bar */
234 if (con_border_style(con) == BS_NORMAL)
235 nc->rect.height += deco_height;
237 /* Honor the X11 border */
238 nc->rect.height += con->border_width * 2;
239 nc->rect.width += con->border_width * 2;
241 /* Some clients (like GIMP’s color picker window) get mapped
242 * to (0, 0), so we push them to a reasonable position
243 * (centered over their leader) */
244 if (nc->rect.x == 0 && nc->rect.y == 0) {
246 if (con->window && con->window->leader != XCB_NONE &&
247 (leader = con_by_window_id(con->window->leader)) != NULL) {
248 DLOG("Centering above leader\n");
249 floating_center(nc, leader->rect);
251 /* center the window on workspace as fallback */
252 floating_center(nc, ws->rect);
256 /* Sanity check: Are the coordinates on the appropriate output? If not, we
257 * need to change them */
258 Output *current_output = get_output_containing(nc->rect.x +
259 (nc->rect.width / 2),
260 nc->rect.y + (nc->rect.height / 2));
262 Con *correct_output = con_get_output(ws);
263 if (!current_output || current_output->con != correct_output) {
264 DLOG("This floating window is on the wrong output, fixing coordinates (currently (%d, %d))\n",
265 nc->rect.x, nc->rect.y);
267 /* If moving from one output to another, keep the relative position
268 * consistent (e.g. a centered dialog will remain centered). */
270 floating_fix_coordinates(nc, ¤t_output->con->rect, &correct_output->rect);
272 nc->rect.x = correct_output->rect.x;
273 nc->rect.y = correct_output->rect.y;
277 DLOG("Floating rect: (%d, %d) with %d x %d\n", nc->rect.x, nc->rect.y, nc->rect.width, nc->rect.height);
279 /* 5: Subtract the deco_height in order to make the floating window appear
280 * at precisely the position it specified in its original geometry (which
281 * is what applications might remember). */
282 deco_height = (con->border_style == BS_NORMAL ? render_deco_height() : 0);
283 nc->rect.y -= deco_height;
285 DLOG("Corrected y = %d (deco_height = %d)\n", nc->rect.y, deco_height);
287 TAILQ_INSERT_TAIL(&(nc->nodes_head), con, nodes);
288 TAILQ_INSERT_TAIL(&(nc->focus_head), con, focused);
290 /* render the cons to get initial window_rect correct */
291 render_con(nc, false);
292 render_con(con, false);
297 /* Check if we need to re-assign it to a different workspace because of its
298 * coordinates and exit if that was done successfully. */
299 if (floating_maybe_reassign_ws(nc)) {
300 ipc_send_window_event("floating", con);
304 /* Sanitize coordinates: Check if they are on any output */
305 if (get_output_containing(nc->rect.x, nc->rect.y) != NULL) {
306 ipc_send_window_event("floating", con);
310 ELOG("No output found at destination coordinates, centering floating window on current ws\n");
311 floating_center(nc, ws->rect);
313 ipc_send_window_event("floating", con);
316 void floating_disable(Con *con, bool automatic) {
317 if (!con_is_floating(con)) {
318 LOG("Container isn't floating, not doing anything.\n");
322 const bool set_focus = (con == focused);
324 Con *ws = con_get_workspace(con);
326 /* 1: detach from parent container */
327 TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
328 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
330 /* 2: kill parent container */
331 TAILQ_REMOVE(&(con->parent->parent->floating_head), con->parent, floating_windows);
332 TAILQ_REMOVE(&(con->parent->parent->focus_head), con->parent, focused);
333 tree_close(con->parent, DONT_KILL_WINDOW, true, false);
335 /* 3: re-attach to the parent of the currently focused con on the workspace
336 * this floating con was on */
337 Con *focused = con_descend_tiling_focused(ws);
339 /* if there is no other container on this workspace, focused will be the
340 * workspace itself */
341 if (focused->type == CT_WORKSPACE)
342 con->parent = focused;
344 con->parent = focused->parent;
346 /* con_fix_percent will adjust the percent value */
349 con->floating = FLOATING_USER_OFF;
351 con_attach(con, con->parent, false);
353 con_fix_percent(con->parent);
358 ipc_send_window_event("floating", con);
362 * Toggles floating mode for the given container.
364 * If the automatic flag is set to true, this was an automatic update by a change of the
365 * window class from the application which can be overwritten by the user.
368 void toggle_floating_mode(Con *con, bool automatic) {
369 /* see if the client is already floating */
370 if (con_is_floating(con)) {
371 LOG("already floating, re-setting to tiling\n");
373 floating_disable(con, automatic);
377 floating_enable(con, automatic);
381 * Raises the given container in the list of floating containers
384 void floating_raise_con(Con *con) {
385 DLOG("Raising floating con %p / %s\n", con, con->name);
386 TAILQ_REMOVE(&(con->parent->floating_head), con, floating_windows);
387 TAILQ_INSERT_TAIL(&(con->parent->floating_head), con, floating_windows);
391 * Checks if con’s coordinates are within its workspace and re-assigns it to
392 * the actual workspace if not.
395 bool floating_maybe_reassign_ws(Con *con) {
396 Output *output = get_output_containing(
397 con->rect.x + (con->rect.width / 2),
398 con->rect.y + (con->rect.height / 2));
401 ELOG("No output found at destination coordinates?\n");
405 if (con_get_output(con) == output->con) {
406 DLOG("still the same ws\n");
410 DLOG("Need to re-assign!\n");
412 Con *content = output_get_content(output->con);
413 Con *ws = TAILQ_FIRST(&(content->focus_head));
414 DLOG("Moving con %p / %s to workspace %p / %s\n", con, con->name, ws, ws->name);
415 con_move_to_workspace(con, ws, false, true);
416 con_focus(con_descend_focused(con));
421 * Centers a floating con above the specified rect.
424 void floating_center(Con *con, Rect rect) {
425 con->rect.x = rect.x + (rect.width / 2) - (con->rect.width / 2);
426 con->rect.y = rect.y + (rect.height / 2) - (con->rect.height / 2);
429 DRAGGING_CB(drag_window_callback) {
430 const struct xcb_button_press_event_t *event = extra;
432 /* Reposition the client correctly while moving */
433 con->rect.x = old_rect->x + (new_x - event->root_x);
434 con->rect.y = old_rect->y + (new_y - event->root_y);
436 render_con(con, false);
440 /* Check if we cross workspace boundaries while moving */
441 if (!floating_maybe_reassign_ws(con))
443 /* Ensure not to warp the pointer while dragging */
449 * Called when the user clicked on the titlebar of a floating window.
450 * Calls the drag_pointer function with the drag_window callback
453 void floating_drag_window(Con *con, const xcb_button_press_event_t *event) {
454 DLOG("floating_drag_window\n");
456 /* Push changes before dragging, so that the window gets raised now and not
457 * after the user releases the mouse button */
460 /* Store the initial rect in case of user revert/cancel */
461 Rect initial_rect = con->rect;
463 /* Drag the window */
464 drag_result_t drag_result = drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, XCURSOR_CURSOR_MOVE, drag_window_callback, event);
466 /* If the user cancelled, undo the changes. */
467 if (drag_result == DRAG_REVERT)
468 floating_reposition(con, initial_rect);
470 /* If this is a scratchpad window, don't auto center it from now on. */
471 if (con->scratchpad_state == SCRATCHPAD_FRESH)
472 con->scratchpad_state = SCRATCHPAD_CHANGED;
478 * This is an ugly data structure which we need because there is no standard
479 * way of having nested functions (only available as a gcc extension at the
480 * moment, clang doesn’t support it) or blocks (only available as a clang
481 * extension and only on Mac OS X systems at the moment).
484 struct resize_window_callback_params {
485 const border_t corner;
486 const bool proportional;
487 const xcb_button_press_event_t *event;
490 DRAGGING_CB(resize_window_callback) {
491 const struct resize_window_callback_params *params = extra;
492 const xcb_button_press_event_t *event = params->event;
493 border_t corner = params->corner;
495 int32_t dest_x = con->rect.x;
496 int32_t dest_y = con->rect.y;
498 uint32_t dest_height;
500 double ratio = (double)old_rect->width / old_rect->height;
502 /* First guess: We resize by exactly the amount the mouse moved,
503 * taking into account in which corner the client was grabbed */
504 if (corner & BORDER_LEFT)
505 dest_width = old_rect->width - (new_x - event->root_x);
507 dest_width = old_rect->width + (new_x - event->root_x);
509 if (corner & BORDER_TOP)
510 dest_height = old_rect->height - (new_y - event->root_y);
512 dest_height = old_rect->height + (new_y - event->root_y);
514 /* User wants to keep proportions, so we may have to adjust our values */
515 if (params->proportional) {
516 dest_width = max(dest_width, (int)(dest_height * ratio));
517 dest_height = max(dest_height, (int)(dest_width / ratio));
520 con->rect = (Rect){dest_x, dest_y, dest_width, dest_height};
522 /* Obey window size */
523 floating_check_size(con);
525 /* If not the lower right corner is grabbed, we must also reposition
526 * the client by exactly the amount we resized it */
527 if (corner & BORDER_LEFT)
528 dest_x = old_rect->x + (old_rect->width - con->rect.width);
530 if (corner & BORDER_TOP)
531 dest_y = old_rect->y + (old_rect->height - con->rect.height);
533 con->rect.x = dest_x;
534 con->rect.y = dest_y;
536 /* TODO: don’t re-render the whole tree just because we change
537 * coordinates of a floating window */
539 x_push_changes(croot);
543 * Called when the user clicked on a floating window while holding the
544 * floating_modifier and the right mouse button.
545 * Calls the drag_pointer function with the resize_window callback
548 void floating_resize_window(Con *con, const bool proportional,
549 const xcb_button_press_event_t *event) {
550 DLOG("floating_resize_window\n");
552 /* corner saves the nearest corner to the original click. It contains
553 * a bitmask of the nearest borders (BORDER_LEFT, BORDER_RIGHT, …) */
556 if (event->event_x <= (int16_t)(con->rect.width / 2))
557 corner |= BORDER_LEFT;
559 corner |= BORDER_RIGHT;
562 if (event->event_y <= (int16_t)(con->rect.height / 2)) {
563 corner |= BORDER_TOP;
564 cursor = (corner & BORDER_LEFT) ? XCURSOR_CURSOR_TOP_LEFT_CORNER : XCURSOR_CURSOR_TOP_RIGHT_CORNER;
566 corner |= BORDER_BOTTOM;
567 cursor = (corner & BORDER_LEFT) ? XCURSOR_CURSOR_BOTTOM_LEFT_CORNER : XCURSOR_CURSOR_BOTTOM_RIGHT_CORNER;
570 struct resize_window_callback_params params = {corner, proportional, event};
572 /* get the initial rect in case of revert/cancel */
573 Rect initial_rect = con->rect;
575 drag_result_t drag_result = drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, cursor, resize_window_callback, ¶ms);
577 /* If the user cancels, undo the resize */
578 if (drag_result == DRAG_REVERT)
579 floating_reposition(con, initial_rect);
581 /* If this is a scratchpad window, don't auto center it from now on. */
582 if (con->scratchpad_state == SCRATCHPAD_FRESH)
583 con->scratchpad_state = SCRATCHPAD_CHANGED;
586 /* As endorsed by “ASSOCIATING CUSTOM DATA WITH A WATCHER” in ev(3) */
590 /* Whether this modal event loop should be exited and with which result. */
591 drag_result_t result;
593 /* The container that is being dragged or resized, or NULL if this is a
594 * drag of the resize handle. */
597 /* The dimensions of con when the loop was started. */
600 /* The callback to invoke after every pointer movement. */
603 /* User data pointer for callback. */
607 static void xcb_drag_check_cb(EV_P_ ev_check *w, int revents) {
608 struct drag_x11_cb *dragloop = (struct drag_x11_cb *)w;
609 xcb_motion_notify_event_t *last_motion_notify = NULL;
610 xcb_generic_event_t *event;
612 while ((event = xcb_poll_for_event(conn)) != NULL) {
613 if (event->response_type == 0) {
614 xcb_generic_error_t *error = (xcb_generic_error_t *)event;
615 DLOG("X11 Error received (probably harmless)! sequence 0x%x, error_code = %d\n",
616 error->sequence, error->error_code);
621 /* Strip off the highest bit (set if the event is generated) */
622 int type = (event->response_type & 0x7F);
625 case XCB_BUTTON_RELEASE:
626 dragloop->result = DRAG_SUCCESS;
630 DLOG("A key was pressed during drag, reverting changes.");
631 dragloop->result = DRAG_REVERT;
632 handle_event(type, event);
635 case XCB_UNMAP_NOTIFY: {
636 xcb_unmap_notify_event_t *unmap_event = (xcb_unmap_notify_event_t *)event;
637 Con *con = con_by_window_id(unmap_event->window);
640 DLOG("UnmapNotify for window 0x%08x (container %p)\n", unmap_event->window, con);
642 if (con_get_workspace(con) == con_get_workspace(focused)) {
643 DLOG("UnmapNotify for a managed window on the current workspace, aborting\n");
644 dragloop->result = DRAG_ABORT;
648 handle_event(type, event);
652 case XCB_MOTION_NOTIFY:
653 /* motion_notify events are saved for later */
654 FREE(last_motion_notify);
655 last_motion_notify = (xcb_motion_notify_event_t *)event;
659 DLOG("Passing to original handler\n");
660 handle_event(type, event);
664 if (last_motion_notify != (xcb_motion_notify_event_t *)event)
667 if (dragloop->result != DRAGGING)
671 if (last_motion_notify == NULL)
676 &(dragloop->old_rect),
677 last_motion_notify->root_x,
678 last_motion_notify->root_y,
680 free(last_motion_notify);
684 * This function grabs your pointer and keyboard and lets you drag stuff around
685 * (borders). Every time you move your mouse, an XCB_MOTION_NOTIFY event will
686 * be received and the given callback will be called with the parameters
687 * specified (client, border on which the click originally was), the original
688 * rect of the client, the event and the new coordinates (x, y).
691 drag_result_t drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t
693 border_t border, int cursor, callback_t callback, const void *extra) {
694 xcb_cursor_t xcursor = (cursor && xcursor_supported) ? xcursor_get_cursor(cursor) : XCB_NONE;
696 /* Grab the pointer */
697 xcb_grab_pointer_cookie_t cookie;
698 xcb_grab_pointer_reply_t *reply;
699 xcb_generic_error_t *error;
701 cookie = xcb_grab_pointer(conn,
702 false, /* get all pointer events specified by the following mask */
703 root, /* grab the root window */
704 XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */
705 XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
706 XCB_GRAB_MODE_ASYNC, /* keyboard mode */
707 confine_to, /* confine_to = in which window should the cursor stay */
708 xcursor, /* possibly display a special cursor */
711 if ((reply = xcb_grab_pointer_reply(conn, cookie, &error)) == NULL) {
712 ELOG("Could not grab pointer (error_code = %d)\n", error->error_code);
719 /* Grab the keyboard */
720 xcb_grab_keyboard_cookie_t keyb_cookie;
721 xcb_grab_keyboard_reply_t *keyb_reply;
723 keyb_cookie = xcb_grab_keyboard(conn,
724 false, /* get all keyboard events */
725 root, /* grab the root window */
727 XCB_GRAB_MODE_ASYNC, /* continue processing pointer events as normal */
728 XCB_GRAB_MODE_ASYNC /* keyboard mode */
731 if ((keyb_reply = xcb_grab_keyboard_reply(conn, keyb_cookie, &error)) == NULL) {
732 ELOG("Could not grab keyboard (error_code = %d)\n", error->error_code);
734 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
740 /* Go into our own event loop */
741 struct drag_x11_cb loop = {
744 .callback = callback,
748 loop.old_rect = con->rect;
749 ev_check_init(&loop.check, xcb_drag_check_cb);
750 main_set_x11_cb(false);
751 ev_check_start(main_loop, &loop.check);
753 while (loop.result == DRAGGING)
754 ev_run(main_loop, EVRUN_ONCE);
756 ev_check_stop(main_loop, &loop.check);
757 main_set_x11_cb(true);
759 xcb_ungrab_keyboard(conn, XCB_CURRENT_TIME);
760 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
767 * Repositions the CT_FLOATING_CON to have the coordinates specified by
768 * newrect, but only if the coordinates are not out-of-bounds. Also reassigns
769 * the floating con to a different workspace if this move was across different
773 void floating_reposition(Con *con, Rect newrect) {
774 /* Sanity check: Are the new coordinates on any output? If not, we
775 * ignore that request. */
776 if (!contained_by_output(newrect)) {
777 ELOG("No output found at destination coordinates. Not repositioning.\n");
783 floating_maybe_reassign_ws(con);
785 /* If this is a scratchpad window, don't auto center it from now on. */
786 if (con->scratchpad_state == SCRATCHPAD_FRESH)
787 con->scratchpad_state = SCRATCHPAD_CHANGED;
793 * Fixes the coordinates of the floating window whenever the window gets
794 * reassigned to a different output (or when the output’s rect changes).
797 void floating_fix_coordinates(Con *con, Rect *old_rect, Rect *new_rect) {
798 DLOG("Fixing coordinates of floating window %p (rect (%d, %d), %d x %d)\n",
799 con, con->rect.x, con->rect.y, con->rect.width, con->rect.height);
800 DLOG("old_rect = (%d, %d), %d x %d\n",
801 old_rect->x, old_rect->y, old_rect->width, old_rect->height);
802 DLOG("new_rect = (%d, %d), %d x %d\n",
803 new_rect->x, new_rect->y, new_rect->width, new_rect->height);
804 /* First we get the x/y coordinates relative to the x/y coordinates
805 * of the output on which the window is on */
806 int32_t rel_x = con->rect.x - old_rect->x + (int32_t)(con->rect.width / 2);
807 int32_t rel_y = con->rect.y - old_rect->y + (int32_t)(con->rect.height / 2);
808 /* Then we calculate a fraction, for example 0.63 for a window
809 * which is at y = 1212 of a 1920 px high output */
810 DLOG("rel_x = %d, rel_y = %d, fraction_x = %f, fraction_y = %f, output->w = %d, output->h = %d\n",
811 rel_x, rel_y, (double)rel_x / old_rect->width, (double)rel_y / old_rect->height,
812 old_rect->width, old_rect->height);
813 /* Here we have to multiply at first. Or we will lose precision when not compiled with -msse2 */
814 con->rect.x = (int32_t)new_rect->x + (double)(rel_x * (int32_t)new_rect->width) / (int32_t)old_rect->width - (int32_t)(con->rect.width / 2);
815 con->rect.y = (int32_t)new_rect->y + (double)(rel_y * (int32_t)new_rect->height) / (int32_t)old_rect->height - (int32_t)(con->rect.height / 2);
816 DLOG("Resulting coordinates: x = %d, y = %d\n", con->rect.x, con->rect.y);
821 * Moves the client 10px to the specified direction.
824 void floating_move(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
825 DLOG("floating move\n");
827 Rect destination = currently_focused->rect;
828 Rect *screen = &(currently_focused->workspace->output->rect);
843 /* to make static analyzers happy */
848 /* Prevent windows from vanishing completely */
849 if ((int32_t)(destination.x + destination.width - 5) <= (int32_t)screen->x ||
850 (int32_t)(destination.x + 5) >= (int32_t)(screen->x + screen->width) ||
851 (int32_t)(destination.y + destination.height - 5) <= (int32_t)screen->y ||
852 (int32_t)(destination.y + 5) >= (int32_t)(screen->y + screen->height)) {
853 DLOG("boundary check failed, not moving\n");
857 currently_focused->rect = destination;
858 reposition_client(conn, currently_focused);
860 /* Because reposition_client does not send a faked configure event (only resize does),
861 * we need to initiate that on our own */
862 fake_absolute_configure_notify(conn, currently_focused);
863 /* fake_absolute_configure_notify flushes */
867 * Hides all floating clients (or show them if they are currently hidden) on
868 * the specified workspace.
871 void floating_toggle_hide(xcb_connection_t *conn, Workspace *workspace) {
874 workspace->floating_hidden = !workspace->floating_hidden;
875 DLOG("floating_hidden is now: %d\n", workspace->floating_hidden);
876 TAILQ_FOREACH(client, &(workspace->floating_clients), floating_clients) {
877 if (workspace->floating_hidden)
878 client_unmap(conn, client);
879 else client_map(conn, client);
882 /* If we just unmapped all floating windows we should ensure that the focus
883 * is set correctly, that ist, to the first non-floating client in stack */
884 if (workspace->floating_hidden)
885 SLIST_FOREACH(client, &(workspace->focus_stack), focus_clients) {
886 if (client_is_floating(client))
888 set_focus(conn, client, true);