-#undef I3__FILE__
-#define I3__FILE__ "floating.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* floating.c: Floating windows.
*
*/
#include "all.h"
-extern xcb_connection_t *conn;
+#ifndef MAX
+#define MAX(x, y) ((x) > (y) ? (x) : (y))
+#endif
/*
* Calculates sum of heights and sum of widths of all currently active outputs
*
*/
static Rect total_outputs_dimensions(void) {
+ if (TAILQ_EMPTY(&outputs))
+ return (Rect){0, 0, root_screen->width_in_pixels, root_screen->height_in_pixels};
+
Output *output;
/* Use Rect to encapsulate dimensions, ignoring x/y */
Rect outputs_dimensions = {0, 0, 0, 0};
return outputs_dimensions;
}
+/*
+ * Updates I3_FLOATING_WINDOW by either setting or removing it on the con and
+ * all its children.
+ *
+ */
+static void floating_set_hint_atom(Con *con, bool floating) {
+ if (!con_is_leaf(con)) {
+ Con *child;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ floating_set_hint_atom(child, floating);
+ }
+ }
+
+ if (con->window == NULL) {
+ return;
+ }
+
+ if (floating) {
+ uint32_t val = 1;
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
+ A_I3_FLOATING_WINDOW, XCB_ATOM_CARDINAL, 32, 1, &val);
+ } else {
+ xcb_delete_property(conn, con->window->id, A_I3_FLOATING_WINDOW);
+ }
+
+ 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
Con *focused_con = con_descend_focused(floating_con);
/* obey size increments */
- if (focused_con->height_increment || focused_con->width_increment) {
+ if (focused_con->window != NULL && (focused_con->window->height_increment || focused_con->window->width_increment)) {
Rect border_rect = con_border_style_rect(focused_con);
/* We have to do the opposite calculations that render_con() do
if (con_border_style(focused_con) == BS_NORMAL)
border_rect.height += render_deco_height();
- if (focused_con->height_increment &&
- floating_con->rect.height >= focused_con->base_height + border_rect.height) {
- floating_con->rect.height -= focused_con->base_height + border_rect.height;
- floating_con->rect.height -= floating_con->rect.height % focused_con->height_increment;
- floating_con->rect.height += focused_con->base_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;
}
- if (focused_con->width_increment &&
- floating_con->rect.width >= focused_con->base_width + border_rect.width) {
- floating_con->rect.width -= focused_con->base_width + border_rect.width;
- floating_con->rect.width -= floating_con->rect.width % focused_con->width_increment;
- floating_con->rect.width += focused_con->base_width + border_rect.width;
+ 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;
}
}
void floating_enable(Con *con, bool automatic) {
bool set_focus = (con == focused);
- if (con->parent && con->parent->type == CT_DOCKAREA) {
+ if (con_is_docked(con)) {
LOG("Container is a dock window, not enabling floating mode.\n");
return;
}
return;
}
- /* 1: If the container is a workspace container, we need to create a new
- * split-container with the same layout and make that one floating. We
- * cannot touch the workspace container itself because floating containers
- * are children of the workspace. */
if (con->type == CT_WORKSPACE) {
- LOG("This is a workspace, creating new container around content\n");
- if (con_num_children(con) == 0) {
- LOG("Workspace is empty, aborting\n");
- return;
- }
- /* TODO: refactor this with src/con.c:con_set_layout */
- Con *new = con_new(NULL, NULL);
- new->parent = con;
- new->layout = con->layout;
-
- /* since the new container will be set into floating mode directly
- * afterwards, we need to copy the workspace rect. */
- memcpy(&(new->rect), &(con->rect), sizeof(Rect));
-
- Con *old_focused = TAILQ_FIRST(&(con->focus_head));
- if (old_focused == TAILQ_END(&(con->focus_head)))
- old_focused = NULL;
-
- /* 4: move the existing cons of this workspace below the new con */
- DLOG("Moving cons\n");
- Con *child;
- while (!TAILQ_EMPTY(&(con->nodes_head))) {
- child = TAILQ_FIRST(&(con->nodes_head));
- con_detach(child);
- con_attach(child, new, true);
- }
-
- /* 4: attach the new split container to the workspace */
- DLOG("Attaching new split to ws\n");
- con_attach(new, con, false);
-
- if (old_focused)
- con_focus(old_focused);
-
- con = new;
- set_focus = false;
+ LOG("Container is a workspace, not enabling floating mode.\n");
+ return;
}
/* 1: detach the container from its parent */
- /* TODO: refactor this with tree_close() */
+ /* TODO: refactor this with tree_close_internal() */
TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
nc->layout = L_SPLITH;
/* 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()) even though it’s not. */
+ * closed in tree_close_internal()) even though it’s not. */
TAILQ_INSERT_TAIL(&(ws->floating_head), nc, floating_windows);
TAILQ_INSERT_TAIL(&(ws->focus_head), nc, focused);
if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) &&
con_num_children(con->parent) == 0) {
DLOG("Old container empty after setting this child to floating, closing\n");
- tree_close(con->parent, DONT_KILL_WINDOW, false, false);
+ tree_close_internal(con->parent, DONT_KILL_WINDOW, false, false);
}
char *name;
if (con->window && con->window->leader != XCB_NONE &&
(leader = con_by_window_id(con->window->leader)) != NULL) {
DLOG("Centering above leader\n");
- nc->rect.x = leader->rect.x + (leader->rect.width / 2) - (nc->rect.width / 2);
- nc->rect.y = leader->rect.y + (leader->rect.height / 2) - (nc->rect.height / 2);
+ floating_center(nc, leader->rect);
} else {
/* center the window on workspace as fallback */
- nc->rect.x = ws->rect.x + (ws->rect.width / 2) - (nc->rect.width / 2);
- nc->rect.y = ws->rect.y + (ws->rect.height / 2) - (nc->rect.height / 2);
+ floating_center(nc, ws->rect);
}
}
/* 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)) {
- ipc_send_window_event("floating", con);
- return;
+ goto done;
}
/* Sanitize coordinates: Check if they are on any output */
if (get_output_containing(nc->rect.x, nc->rect.y) != NULL) {
- ipc_send_window_event("floating", con);
- return;
+ goto done;
}
ELOG("No output found at destination coordinates, centering floating window on current ws\n");
- nc->rect.x = ws->rect.x + (ws->rect.width / 2) - (nc->rect.width / 2);
- nc->rect.y = ws->rect.y + (ws->rect.height / 2) - (nc->rect.height / 2);
+ floating_center(nc, ws->rect);
+done:
+ floating_set_hint_atom(nc, true);
ipc_send_window_event("floating", con);
}
/* 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);
- tree_close(con->parent, DONT_KILL_WINDOW, true, false);
+ tree_close_internal(con->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 */
if (set_focus)
con_focus(con);
+ floating_set_hint_atom(con, false);
ipc_send_window_event("floating", con);
}
*
*/
void toggle_floating_mode(Con *con, bool automatic) {
+ /* forbid the command to toggle floating on a CT_FLOATING_CON */
+ if (con->type == CT_FLOATING_CON) {
+ ELOG("Cannot toggle floating mode on con = %p because it is of type CT_FLOATING_CON.\n", con);
+ return;
+ }
+
/* see if the client is already floating */
if (con_is_floating(con)) {
LOG("already floating, re-setting to tiling\n");
Con *content = output_get_content(output->con);
Con *ws = TAILQ_FIRST(&(content->focus_head));
DLOG("Moving con %p / %s to workspace %p / %s\n", con, con->name, ws, ws->name);
- con_move_to_workspace(con, ws, false, true);
+ con_move_to_workspace(con, ws, false, true, false);
con_focus(con_descend_focused(con));
return true;
}
+/*
+ * Centers a floating con above the specified rect.
+ *
+ */
+void floating_center(Con *con, Rect rect) {
+ con->rect.x = rect.x + (rect.width / 2) - (con->rect.width / 2);
+ con->rect.y = rect.y + (rect.height / 2) - (con->rect.height / 2);
+}
+
+/*
+ * Moves the given floating con to the current pointer position.
+ *
+ */
+void floating_move_to_pointer(Con *con) {
+ assert(con->type == CT_FLOATING_CON);
+
+ xcb_query_pointer_reply_t *reply = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
+ if (reply == NULL) {
+ ELOG("could not query pointer position, not moving this container\n");
+ return;
+ }
+
+ Output *output = get_output_containing(reply->root_x, reply->root_y);
+ if (output == NULL) {
+ ELOG("The pointer is not on any output, cannot move the container here.\n");
+ return;
+ }
+
+ /* Determine where to put the window. */
+ int32_t x = reply->root_x - con->rect.width / 2;
+ int32_t y = reply->root_y - con->rect.height / 2;
+ FREE(reply);
+
+ /* Correct target coordinates to be in-bounds. */
+ x = MAX(x, (int32_t)output->rect.x);
+ y = MAX(y, (int32_t)output->rect.y);
+ if (x + con->rect.width > output->rect.x + output->rect.width)
+ x = output->rect.x + output->rect.width - con->rect.width;
+ if (y + con->rect.height > output->rect.y + output->rect.height)
+ y = output->rect.y + output->rect.height - con->rect.height;
+
+ /* Update container's coordinates to position it correctly. */
+ floating_reposition(con, (Rect){x, y, con->rect.width, con->rect.height});
+}
+
DRAGGING_CB(drag_window_callback) {
const struct xcb_button_press_event_t *event = extra;
dest_height = max(dest_height, (int)(dest_width / ratio));
}
- con->rect = (Rect) {dest_x, dest_y, dest_width, dest_height};
+ con->rect = (Rect){dest_x, dest_y, dest_width, dest_height};
/* Obey window size */
floating_check_size(con);
con->scratchpad_state = SCRATCHPAD_CHANGED;
}
-/* As endorsed by “ASSOCIATING CUSTOM DATA WITH A WATCHER” in ev(3) */
+/* Custom data structure used to track dragging-related events. */
struct drag_x11_cb {
ev_check check;
};
static void xcb_drag_check_cb(EV_P_ ev_check *w, int revents) {
- struct drag_x11_cb *dragloop = (struct drag_x11_cb *)w;
+ struct drag_x11_cb *dragloop = (struct drag_x11_cb *)w->data;
xcb_motion_notify_event_t *last_motion_notify = NULL;
xcb_generic_event_t *event;
break;
case XCB_KEY_PRESS:
- DLOG("A key was pressed during drag, reverting changes.");
+ DLOG("A key was pressed during drag, reverting changes.\n");
dragloop->result = DRAG_REVERT;
handle_event(type, event);
break;
.callback = callback,
.extra = extra,
};
+ ev_check *check = &loop.check;
if (con)
loop.old_rect = con->rect;
- ev_check_init(&loop.check, xcb_drag_check_cb);
+ ev_check_init(check, xcb_drag_check_cb);
+ check->data = &loop;
main_set_x11_cb(false);
- ev_check_start(main_loop, &loop.check);
+ ev_check_start(main_loop, check);
while (loop.result == DRAGGING)
ev_run(main_loop, EVRUN_ONCE);
- ev_check_stop(main_loop, &loop.check);
+ ev_check_stop(main_loop, check);
main_set_x11_cb(true);
xcb_ungrab_keyboard(conn, XCB_CURRENT_TIME);
tree_render();
}
+/*
+ * Sets size of the CT_FLOATING_CON to specified dimensions. Might limit the
+ * actual size with regard to size constraints taken from user settings.
+ * Additionally, the dimensions may be upscaled until they're divisible by the
+ * window's size hints.
+ *
+ */
+void floating_resize(Con *floating_con, int x, int y) {
+ DLOG("floating resize to %dx%d px\n", x, y);
+ Rect *rect = &floating_con->rect;
+ Con *focused_con = con_descend_focused(floating_con);
+ if (focused_con->window == NULL) {
+ DLOG("No window is focused. Not resizing.\n");
+ return;
+ }
+ int wi = focused_con->window->width_increment;
+ int hi = focused_con->window->height_increment;
+ rect->width = x;
+ rect->height = y;
+ if (wi)
+ rect->width += (wi - 1 - rect->width) % wi;
+ if (hi)
+ rect->height += (hi - 1 - rect->height) % hi;
+
+ floating_check_size(floating_con);
+
+ /* If this is a scratchpad window, don't auto center it from now on. */
+ if (floating_con->scratchpad_state == SCRATCHPAD_FRESH)
+ floating_con->scratchpad_state = SCRATCHPAD_CHANGED;
+}
+
/*
* Fixes the coordinates of the floating window whenever the window gets
* reassigned to a different output (or when the output’s rect changes).
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);
DLOG("Resulting coordinates: x = %d, y = %d\n", con->rect.x, con->rect.y);
}
-
-#if 0
-/*
- * Moves the client 10px to the specified direction.
- *
- */
-void floating_move(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
- DLOG("floating move\n");
-
- Rect destination = currently_focused->rect;
- Rect *screen = &(currently_focused->workspace->output->rect);
-
- switch (direction) {
- case D_LEFT:
- destination.x -= 10;
- break;
- case D_RIGHT:
- destination.x += 10;
- break;
- case D_UP:
- destination.y -= 10;
- break;
- case D_DOWN:
- destination.y += 10;
- break;
- /* to make static analyzers happy */
- default:
- break;
- }
-
- /* Prevent windows from vanishing completely */
- if ((int32_t)(destination.x + destination.width - 5) <= (int32_t)screen->x ||
- (int32_t)(destination.x + 5) >= (int32_t)(screen->x + screen->width) ||
- (int32_t)(destination.y + destination.height - 5) <= (int32_t)screen->y ||
- (int32_t)(destination.y + 5) >= (int32_t)(screen->y + screen->height)) {
- DLOG("boundary check failed, not moving\n");
- return;
- }
-
- currently_focused->rect = destination;
- reposition_client(conn, currently_focused);
-
- /* Because reposition_client does not send a faked configure event (only resize does),
- * we need to initiate that on our own */
- fake_absolute_configure_notify(conn, currently_focused);
- /* fake_absolute_configure_notify flushes */
-}
-
-/*
- * Hides all floating clients (or show them if they are currently hidden) on
- * the specified workspace.
- *
- */
-void floating_toggle_hide(xcb_connection_t *conn, Workspace *workspace) {
- Client *client;
-
- workspace->floating_hidden = !workspace->floating_hidden;
- DLOG("floating_hidden is now: %d\n", workspace->floating_hidden);
- TAILQ_FOREACH(client, &(workspace->floating_clients), floating_clients) {
- if (workspace->floating_hidden)
- client_unmap(conn, client);
- else client_map(conn, client);
- }
-
- /* If we just unmapped all floating windows we should ensure that the focus
- * is set correctly, that ist, to the first non-floating client in stack */
- if (workspace->floating_hidden)
- SLIST_FOREACH(client, &(workspace->focus_stack), focus_clients) {
- if (client_is_floating(client))
- continue;
- set_focus(conn, client, true);
- return;
- }
-
- xcb_flush(conn);
-}
-#endif
projects / i3 / i3 / blobdiff