xcb_flush(conn);
}
-/**
- * Called when a floating window is created or resized.
- * This function resizes the window if its size is higher or lower than the
- * configured maximum/minimum size, respectively.
+/*
+ * Called when a floating window is created or resized. This function resizes
+ * the window if its size is higher or lower than the configured maximum/minimum
+ * size, respectively or when adjustments are needed to conform to the
+ * configured size increments or aspect ratio limits.
+ *
+ * When prefer_height is true and the window needs to be resized because of the
+ * configured aspect ratio, the width is adjusted first, preserving the previous
+ * height.
*
*/
-void floating_check_size(Con *floating_con) {
+void floating_check_size(Con *floating_con, bool prefer_height) {
/* Define reasonable minimal and maximal sizes for floating windows */
const int floating_sane_min_height = 50;
const int floating_sane_min_width = 75;
border_rect.height += render_deco_height();
}
- if (focused_con->window != NULL) {
- if (focused_con->window->min_width) {
+ i3Window *window = focused_con->window;
+ if (window != NULL) {
+ /* ICCCM says: If a base size is not provided, the minimum size is to be used in its place
+ * and vice versa. */
+ int min_width = (window->min_width ? window->min_width : window->base_width);
+ int min_height = (window->min_height ? window->min_height : window->base_height);
+ int base_width = (window->base_width ? window->base_width : window->min_width);
+ int base_height = (window->base_height ? window->base_height : window->min_height);
+
+ if (min_width) {
+ floating_con->rect.width -= border_rect.width;
+ floating_con->rect.width = max(floating_con->rect.width, min_width);
+ floating_con->rect.width += border_rect.width;
+ }
+
+ if (min_height) {
+ floating_con->rect.height -= border_rect.height;
+ floating_con->rect.height = max(floating_con->rect.height, min_height);
+ floating_con->rect.height += border_rect.height;
+ }
+
+ if (window->max_width) {
floating_con->rect.width -= border_rect.width;
- floating_con->rect.width = max(floating_con->rect.width, focused_con->window->min_width);
+ floating_con->rect.width = min(floating_con->rect.width, window->max_width);
floating_con->rect.width += border_rect.width;
}
- if (focused_con->window->min_height) {
+ if (window->max_height) {
floating_con->rect.height -= border_rect.height;
- floating_con->rect.height = max(floating_con->rect.height, focused_con->window->min_height);
+ floating_con->rect.height = min(floating_con->rect.height, window->max_height);
floating_con->rect.height += border_rect.height;
}
- if (focused_con->window->height_increment &&
- floating_con->rect.height >= focused_con->window->base_height + border_rect.height) {
- floating_con->rect.height -= focused_con->window->base_height + border_rect.height;
- floating_con->rect.height -= floating_con->rect.height % focused_con->window->height_increment;
- floating_con->rect.height += focused_con->window->base_height + border_rect.height;
+ /* Obey the aspect ratio, if any, unless we are in fullscreen mode.
+ *
+ * The spec isn’t explicit on whether the aspect ratio hints should be
+ * respected during fullscreen mode. Other WMs such as Openbox don’t do
+ * that, and this post suggests that this is the correct way to do it:
+ * https://mail.gnome.org/archives/wm-spec-list/2003-May/msg00007.html
+ *
+ * Ignoring aspect ratio during fullscreen was necessary to fix MPlayer
+ * subtitle rendering, see https://bugs.i3wm.org/594 */
+ const double min_ar = window->min_aspect_ratio;
+ const double max_ar = window->max_aspect_ratio;
+ if (floating_con->fullscreen_mode == CF_NONE && (min_ar > 0 || max_ar > 0)) {
+ /* The ICCCM says to subtract the base size from the window size for
+ * aspect ratio calculations. However, unlike determining the base
+ * size itself we must not fall back to using the minimum size in
+ * this case according to the ICCCM. */
+ double width = floating_con->rect.width - window->base_width - border_rect.width;
+ double height = floating_con->rect.height - window->base_height - border_rect.height;
+ const double ar = (double)width / (double)height;
+ double new_ar = -1;
+ if (min_ar > 0 && ar < min_ar) {
+ new_ar = min_ar;
+ } else if (max_ar > 0 && ar > max_ar) {
+ new_ar = max_ar;
+ }
+ if (new_ar > 0) {
+ if (prefer_height) {
+ width = round(height * new_ar);
+ height = round(width / new_ar);
+ } else {
+ height = round(width / new_ar);
+ width = round(height * new_ar);
+ }
+ floating_con->rect.width = width + window->base_width + border_rect.width;
+ floating_con->rect.height = height + window->base_height + border_rect.height;
+ }
}
- if (focused_con->window->width_increment &&
- floating_con->rect.width >= focused_con->window->base_width + border_rect.width) {
- floating_con->rect.width -= focused_con->window->base_width + border_rect.width;
- floating_con->rect.width -= floating_con->rect.width % focused_con->window->width_increment;
- floating_con->rect.width += focused_con->window->base_width + border_rect.width;
+ if (window->height_increment &&
+ floating_con->rect.height >= base_height + border_rect.height) {
+ floating_con->rect.height -= base_height + border_rect.height;
+ floating_con->rect.height -= floating_con->rect.height % window->height_increment;
+ floating_con->rect.height += base_height + border_rect.height;
+ }
+
+ if (window->width_increment &&
+ floating_con->rect.width >= base_width + border_rect.width) {
+ floating_con->rect.width -= base_width + border_rect.width;
+ floating_con->rect.width -= floating_con->rect.width % window->width_increment;
+ floating_con->rect.width += base_width + border_rect.width;
}
}
return;
}
+ Con *focus_head_placeholder = NULL;
+ bool focus_before_parent = true;
+ if (!set_focus) {
+ /* Find recursively the ancestor container which is a child of our workspace.
+ * We need to reuse its focus position later. */
+ Con *ancestor = con;
+ while (ancestor->parent->type != CT_WORKSPACE) {
+ focus_before_parent &= TAILQ_FIRST(&(ancestor->parent->focus_head)) == ancestor;
+ ancestor = ancestor->parent;
+ }
+ /* Consider the part of the focus stack of our current workspace:
+ * [ ... S_{i-1} S_{i} S_{i+1} ... ]
+ * Where S_{x} is a container tree and the container 'con' that is beeing switched to
+ * floating belongs in S_{i}. The new floating container, 'nc', will have the
+ * workspace as its parent so it needs to be placed in this stack. If C was focused
+ * we just need to call con_focus(). Otherwise, nc must be placed before or after S_{i}.
+ * We should avoid using the S_{i} container for our operations since it might get
+ * killed if it has no other children. So, the two possible positions are after S_{i-1}
+ * or before S_{i+1}.
+ */
+ if (focus_before_parent) {
+ focus_head_placeholder = TAILQ_PREV(ancestor, focus_head, focused);
+ } else {
+ focus_head_placeholder = TAILQ_NEXT(ancestor, focused);
+ }
+ }
+
/* 1: detach the container from its parent */
/* TODO: refactor this with tree_close_internal() */
- TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
- TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
-
+ con_detach(con);
con_fix_percent(con->parent);
/* 2: create a new container to render the decoration on, add
/* We insert nc already, even though its rect is not yet calculated. This
* is necessary because otherwise the workspace might be empty (and get
* closed in tree_close_internal()) even though it’s not. */
- if (set_focus) {
- TAILQ_INSERT_TAIL(&(ws->floating_head), nc, floating_windows);
+ TAILQ_INSERT_HEAD(&(ws->floating_head), nc, floating_windows);
+
+ struct focus_head *fh = &(ws->focus_head);
+ if (focus_before_parent) {
+ if (focus_head_placeholder) {
+ TAILQ_INSERT_AFTER(fh, focus_head_placeholder, nc, focused);
+ } else {
+ TAILQ_INSERT_HEAD(fh, nc, focused);
+ }
} else {
- TAILQ_INSERT_HEAD(&(ws->floating_head), nc, floating_windows);
+ if (focus_head_placeholder) {
+ TAILQ_INSERT_BEFORE(focus_head_placeholder, nc, focused);
+ } else {
+ /* Also used for the set_focus case */
+ TAILQ_INSERT_TAIL(fh, nc, focused);
+ }
}
- TAILQ_INSERT_TAIL(&(ws->focus_head), nc, focused);
/* check if the parent container is empty and close it if so */
if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) &&
Con *parent = con->parent;
/* clear the pointer before calling tree_close_internal in which the memory is freed */
con->parent = NULL;
- tree_close_internal(parent, DONT_KILL_WINDOW, false, false);
+ tree_close_internal(parent, DONT_KILL_WINDOW, false);
}
char *name;
nc->rect.height += con->border_width * 2;
nc->rect.width += con->border_width * 2;
- floating_check_size(nc);
+ floating_check_size(nc, false);
/* Some clients (like GIMP’s color picker window) get mapped
* to (0, 0), so we push them to a reasonable position
/* Sanity check: Are the coordinates on the appropriate output? If not, we
* need to change them */
- Output *current_output = get_output_containing(nc->rect.x +
- (nc->rect.width / 2),
- nc->rect.y + (nc->rect.height / 2));
-
+ Output *current_output = get_output_from_rect(nc->rect);
Con *correct_output = con_get_output(ws);
if (!current_output || current_output->con != correct_output) {
DLOG("This floating window is on the wrong output, fixing coordinates (currently (%d, %d))\n",
/* If moving from one output to another, keep the relative position
* consistent (e.g. a centered dialog will remain centered). */
- if (current_output)
+ if (current_output) {
floating_fix_coordinates(nc, ¤t_output->con->rect, &correct_output->rect);
- else {
- nc->rect.x = correct_output->rect.x;
- nc->rect.y = correct_output->rect.y;
+ /* Make sure that the result is in the correct output. */
+ current_output = get_output_from_rect(nc->rect);
+ }
+ if (!current_output || current_output->con != correct_output) {
+ floating_center(nc, ws->rect);
}
}
DLOG("Corrected y = %d (deco_height = %d)\n", nc->rect.y, deco_height);
/* render the cons to get initial window_rect correct */
- render_con(nc, false);
- render_con(con, false);
+ render_con(nc);
if (set_focus)
con_activate(con);
- /* Check if we need to re-assign it to a different workspace because of its
- * coordinates and exit if that was done successfully. */
- if (floating_maybe_reassign_ws(nc)) {
- goto done;
- }
-
- /* Sanitize coordinates: Check if they are on any output */
- if (get_output_containing(nc->rect.x, nc->rect.y) != NULL) {
- goto done;
- }
-
- ELOG("No output found at destination coordinates, centering floating window on current ws\n");
- floating_center(nc, ws->rect);
-
-done:
floating_set_hint_atom(nc, true);
ipc_send_window_event("floating", con);
}
return;
}
- const bool set_focus = (con == focused);
-
Con *ws = con_get_workspace(con);
- Con *parent = con->parent;
-
- /* 1: detach from parent container */
- TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
- TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
-
- /* 2: kill parent container */
- TAILQ_REMOVE(&(con->parent->parent->floating_head), con->parent, floating_windows);
- TAILQ_REMOVE(&(con->parent->parent->focus_head), con->parent, focused);
- /* clear the pointer before calling tree_close_internal in which the memory is freed */
- con->parent = NULL;
- tree_close_internal(parent, DONT_KILL_WINDOW, true, false);
-
- /* 3: re-attach to the parent of the currently focused con on the workspace
- * this floating con was on */
- Con *focused = con_descend_tiling_focused(ws);
-
- /* if there is no other container on this workspace, focused will be the
- * workspace itself */
- if (focused->type == CT_WORKSPACE)
- con->parent = focused;
- else
- con->parent = focused->parent;
+ if (con_is_internal(ws)) {
+ LOG("Can't disable floating for container in internal workspace.\n");
+ return;
+ }
+ Con *tiling_focused = con_descend_tiling_focused(ws);
- /* con_fix_percent will adjust the percent value */
- con->percent = 0.0;
+ if (tiling_focused->type == CT_WORKSPACE) {
+ Con *parent = con->parent;
+ con_detach(con);
+ con->parent = NULL;
+ tree_close_internal(parent, DONT_KILL_WINDOW, true);
+ con_attach(con, tiling_focused, false);
+ con->percent = 0.0;
+ con_fix_percent(con->parent);
+ } else {
+ insert_con_into(con, tiling_focused, AFTER);
+ }
con->floating = FLOATING_USER_OFF;
-
- con_attach(con, con->parent, false);
-
- con_fix_percent(con->parent);
-
- if (set_focus)
- con_activate(con);
-
floating_set_hint_atom(con, false);
ipc_send_window_event("floating", con);
}
*
*/
bool floating_maybe_reassign_ws(Con *con) {
- Output *output = get_output_containing(
- con->rect.x + (con->rect.width / 2),
- con->rect.y + (con->rect.height / 2));
+ Output *output = get_output_from_rect(con->rect);
if (!output) {
ELOG("No output found at destination coordinates?\n");
con->rect.x = old_rect->x + (new_x - event->root_x);
con->rect.y = old_rect->y + (new_y - event->root_y);
- render_con(con, false);
+ render_con(con);
x_push_node(con);
xcb_flush(conn);
}
/* If the user cancelled, undo the changes. */
- if (drag_result == DRAG_REVERT)
+ if (drag_result == DRAG_REVERT) {
floating_reposition(con, initial_rect);
+ return;
+ }
/* If this is a scratchpad window, don't auto center it from now on. */
if (con->scratchpad_state == SCRATCHPAD_FRESH)
con->rect = (Rect){dest_x, dest_y, dest_width, dest_height};
/* Obey window size */
- floating_check_size(con);
+ floating_check_size(con, false);
/* If not the lower right corner is grabbed, we must also reposition
* the client by exactly the amount we resized it */
con->rect.x = dest_x;
con->rect.y = dest_y;
- /* TODO: don’t re-render the whole tree just because we change
- * coordinates of a floating window */
- tree_render();
+ render_con(con);
x_push_changes(croot);
}
const void *extra;
};
-static void xcb_drag_prepare_cb(EV_P_ ev_prepare *w, int revents) {
- struct drag_x11_cb *dragloop = (struct drag_x11_cb *)w->data;
+static bool drain_drag_events(EV_P, struct drag_x11_cb *dragloop) {
xcb_motion_notify_event_t *last_motion_notify = NULL;
xcb_generic_event_t *event;
free(event);
if (dragloop->result != DRAGGING) {
- free(last_motion_notify);
- return;
+ ev_break(EV_A_ EVBREAK_ONE);
+ if (dragloop->result == DRAG_SUCCESS) {
+ /* Ensure motion notify events are handled. */
+ break;
+ } else {
+ free(last_motion_notify);
+ return true;
+ }
}
}
- if (last_motion_notify == NULL)
- return;
+ if (last_motion_notify == NULL) {
+ return true;
+ }
/* Ensure that we are either dragging the resize handle (con is NULL) or that the
* container still exists. The latter might not be true, e.g., if the window closed
last_motion_notify->root_y,
dragloop->extra);
}
- free(last_motion_notify);
+ FREE(last_motion_notify);
xcb_flush(conn);
+ return dragloop->result != DRAGGING;
+}
+
+static void xcb_drag_prepare_cb(EV_P_ ev_prepare *w, int revents) {
+ struct drag_x11_cb *dragloop = (struct drag_x11_cb *)w->data;
+ while (!drain_drag_events(EV_A, dragloop)) {
+ /* repeatedly drain events: draining might produce additional ones */
+ }
}
/*
* rect of the client, the event and the new coordinates (x, y).
*
*/
-drag_result_t drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t
- confine_to,
+drag_result_t drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t confine_to,
border_t border, int cursor, callback_t callback, const void *extra) {
xcb_cursor_t xcursor = (cursor && xcursor_supported) ? xcursor_get_cursor(cursor) : XCB_NONE;
main_set_x11_cb(false);
ev_prepare_start(main_loop, prepare);
- while (loop.result == DRAGGING)
- ev_run(main_loop, EVRUN_ONCE);
+ ev_loop(main_loop, 0);
ev_prepare_stop(main_loop, prepare);
main_set_x11_cb(true);
* outputs.
*
*/
-void floating_reposition(Con *con, Rect newrect) {
+bool floating_reposition(Con *con, Rect newrect) {
/* Sanity check: Are the new coordinates on any output? If not, we
* ignore that request. */
- if (!contained_by_output(newrect)) {
+ if (!output_containing_rect(newrect)) {
ELOG("No output found at destination coordinates. Not repositioning.\n");
- return;
+ return false;
}
con->rect = newrect;
- floating_maybe_reassign_ws(con);
+ bool reassigned = floating_maybe_reassign_ws(con);
/* If this is a scratchpad window, don't auto center it from now on. */
if (con->scratchpad_state == SCRATCHPAD_FRESH)
con->scratchpad_state = SCRATCHPAD_CHANGED;
- tree_render();
+ /* Workspace change will already result in a tree_render. */
+ if (!reassigned) {
+ render_con(con);
+ x_push_node(con);
+ }
+ return true;
}
/*
* window's size hints.
*
*/
-void floating_resize(Con *floating_con, int x, int y) {
+void floating_resize(Con *floating_con, uint32_t x, uint32_t y) {
DLOG("floating resize to %dx%d px\n", x, y);
Rect *rect = &floating_con->rect;
Con *focused_con = con_descend_focused(floating_con);
}
int wi = focused_con->window->width_increment;
int hi = focused_con->window->height_increment;
+ bool prefer_height = (rect->width == x);
rect->width = x;
rect->height = y;
if (wi)
if (hi)
rect->height += (hi - 1 - rect->height) % hi;
- floating_check_size(floating_con);
+ floating_check_size(floating_con, prefer_height);
/* If this is a scratchpad window, don't auto center it from now on. */
if (floating_con->scratchpad_state == SCRATCHPAD_FRESH)
projects / i3 / i3 / blobdiff