* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
+ * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
*
- * © 2009-2010 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
- *
- * src/floating.c: contains all functions for handling floating clients
+ * floating.c: Floating windows.
*
*/
-
-
#include "all.h"
extern xcb_connection_t *conn;
+/*
+ * Calculates sum of heights and sum of widths of all currently active outputs
+ *
+ */
+static Rect total_outputs_dimensions(void) {
+ Output *output;
+ /* Use Rect to encapsulate dimensions, ignoring x/y */
+ Rect outputs_dimensions = {0, 0, 0, 0};
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ outputs_dimensions.height += output->rect.height;
+ outputs_dimensions.width += output->rect.width;
+ }
+ return outputs_dimensions;
+}
+
void floating_enable(Con *con, bool automatic) {
- bool set_focus = true;
+ bool set_focus = (con == focused);
+
+ if (con->parent && con->parent->type == CT_DOCKAREA) {
+ LOG("Container is a dock window, not enabling floating mode.\n");
+ return;
+ }
if (con_is_floating(con)) {
LOG("Container is already in floating mode, not doing anything.\n");
}
/* 1: If the container is a workspace container, we need to create a new
- * split-container with the same orientation and make that one floating. We
+ * 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);
+ Con *new = con_new(NULL, NULL);
new->parent = con;
- new->orientation = con->orientation;
+ new->layout = con->layout;
/* since the new container will be set into floating mode directly
* afterwards, we need to copy the workspace rect. */
/* 2: create a new container to render the decoration on, add
* it as a floating window to the workspace */
- Con *nc = con_new(NULL);
+ Con *nc = con_new(NULL, NULL);
/* we need to set the parent afterwards instead of passing it as an
* argument to con_new() because nc would be inserted into the tiling layer
* otherwise. */
- nc->parent = con_get_workspace(con);
+ Con *ws = con_get_workspace(con);
+ nc->parent = ws;
+ nc->split = true;
+ nc->type = CT_FLOATING_CON;
+ 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. */
+ TAILQ_INSERT_TAIL(&(ws->floating_head), nc, floating_windows);
+ 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_num_children(con->parent) == 0) {
+ 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, false, false);
+ tree_close(con->parent, DONT_KILL_WINDOW, false, false);
}
char *name;
- asprintf(&name, "[i3 con] floatingcon around %p", con);
+ sasprintf(&name, "[i3 con] floatingcon around %p", con);
x_set_name(nc, name);
free(name);
/* find the height for the decorations */
- i3Font *font = load_font(conn, config.font);
- int deco_height = font->height + 5;
+ int deco_height = config.font.height + 5;
DLOG("Original rect: (%d, %d) with %d x %d\n", con->rect.x, con->rect.y, con->rect.width, con->rect.height);
- nc->rect = con->rect;
+ DLOG("Geometry = (%d, %d) with %d x %d\n", con->geometry.x, con->geometry.y, con->geometry.width, con->geometry.height);
+ Rect zero = { 0, 0, 0, 0 };
+ nc->rect = con->geometry;
+ /* If the geometry was not set (split containers), we need to determine a
+ * sensible one by combining the geometry of all children */
+ if (memcmp(&(nc->rect), &zero, sizeof(Rect)) == 0) {
+ DLOG("Geometry not set, combining children\n");
+ Con *child;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ DLOG("child geometry: %d x %d\n", child->geometry.width, child->geometry.height);
+ nc->rect.width += child->geometry.width;
+ nc->rect.height = max(nc->rect.height, child->geometry.height);
+ }
+ }
+
+ /* Define reasonable minimal and maximal sizes for floating windows */
+ const int floating_sane_min_height = 50;
+ const int floating_sane_min_width = 75;
+
+ Rect floating_sane_max_dimensions;
+ floating_sane_max_dimensions = total_outputs_dimensions();
+
+ /* Unless user requests otherwise (-1), ensure width/height do not exceed
+ * configured maxima or, if unconfigured, limit to combined width of all
+ * outputs */
+ if (config.floating_maximum_height != -1) {
+ if (config.floating_maximum_height == 0)
+ nc->rect.height = min(nc->rect.height, floating_sane_max_dimensions.height);
+ else
+ nc->rect.height = min(nc->rect.height, config.floating_maximum_height);
+ }
+ if (config.floating_maximum_width != -1) {
+ if (config.floating_maximum_width == 0)
+ nc->rect.width = min(nc->rect.width, floating_sane_max_dimensions.width);
+ else
+ nc->rect.width = min(nc->rect.width, config.floating_maximum_width);
+ }
+
+ /* Unless user requests otherwise (-1), raise the width/height to
+ * reasonable minimum dimensions */
+ if (config.floating_minimum_height != -1) {
+ if (config.floating_minimum_height == 0)
+ nc->rect.height = max(nc->rect.height, floating_sane_min_height);
+ else
+ nc->rect.height = max(nc->rect.height, config.floating_minimum_height);
+ }
+ if (config.floating_minimum_width != -1) {
+ if (config.floating_minimum_width == 0)
+ nc->rect.width = max(nc->rect.width, floating_sane_min_width);
+ else
+ nc->rect.width = max(nc->rect.width, config.floating_minimum_width);
+ }
+
/* add pixels for the decoration */
/* TODO: don’t add them when the user automatically puts new windows into
* 1pixel/borderless mode */
- nc->rect.height += deco_height + 4;
+ nc->rect.height += deco_height + 2;
nc->rect.width += 4;
- DLOG("Floating rect: (%d, %d) with %d x %d\n", nc->rect.x, nc->rect.y, nc->rect.width, nc->rect.height);
- nc->orientation = NO_ORIENTATION;
- nc->type = CT_FLOATING_CON;
- TAILQ_INSERT_TAIL(&(nc->parent->floating_head), nc, floating_windows);
- TAILQ_INSERT_TAIL(&(nc->parent->focus_head), nc, focused);
- /* 3: attach the child to the new parent container */
- con->parent = nc;
- con->percent = 1.0;
- con->floating = FLOATING_USER_ON;
+ /* Honor the X11 border */
+ nc->rect.height += con->border_width * 2;
+ nc->rect.width += con->border_width * 2;
/* Some clients (like GIMP’s color picker window) get mapped
* to (0, 0), so we push them to a reasonable position
nc->rect.y = leader->rect.y + (leader->rect.height / 2) - (nc->rect.height / 2);
} else {
/* center the window on workspace as fallback */
- Con *ws = nc->parent;
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);
}
}
+ /* 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.y);
+ 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",
+ nc->rect.x, nc->rect.y);
+ /* Take the relative coordinates of the current output, then add them
+ * to the coordinate space of the correct output */
+ uint32_t rel_x = (nc->rect.x - (current_output ? current_output->con->rect.x : 0));
+ uint32_t rel_y = (nc->rect.y - (current_output ? current_output->con->rect.y : 0));
+ nc->rect.x = correct_output->rect.x + rel_x;
+ nc->rect.y = correct_output->rect.y + rel_y;
+ }
+
+ DLOG("Floating rect: (%d, %d) with %d x %d\n", nc->rect.x, nc->rect.y, nc->rect.width, nc->rect.height);
+
+ /* 3: attach the child to the new parent container */
+ con->parent = nc;
+ con->percent = 1.0;
+ con->floating = FLOATING_USER_ON;
+
+ /* 4: set the border style as specified with new_float */
+ if (automatic)
+ con->border_style = config.default_floating_border;
+
+ /* 5: Subtract the deco_height in order to make the floating window appear
+ * at precisely the position it specified in its original geometry (which
+ * is what applications might remember). */
+ deco_height = (con->border_style == BS_NORMAL ? config.font.height + 5 : 0);
+ nc->rect.y -= deco_height;
+
+ DLOG("Corrected y = %d (deco_height = %d)\n", nc->rect.y, deco_height);
+
+ TAILQ_INSERT_TAIL(&(nc->nodes_head), con, nodes);
+ TAILQ_INSERT_TAIL(&(nc->focus_head), con, focused);
+
/* render the cons to get initial window_rect correct */
render_con(nc, false);
render_con(con, false);
- TAILQ_INSERT_TAIL(&(nc->nodes_head), con, nodes);
- TAILQ_INSERT_TAIL(&(nc->focus_head), con, focused);
- // TODO: don’t influence focus handling when Con was not focused before.
if (set_focus)
con_focus(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))
+ return;
+
+ /* Sanitize coordinates: Check if they are on any output */
+ if (get_output_containing(nc->rect.x, nc->rect.y) != NULL)
+ return;
+
+ 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);
}
void floating_disable(Con *con, bool automatic) {
return;
}
+ Con *ws = con_get_workspace(con);
+
/* 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);
- tree_close(con->parent, false, false);
+ tree_close(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 */
- Con *focused = con_descend_focused(con_get_workspace(con));
- con->parent = focused->parent;
+ Con *focused = con_descend_tiling_focused(ws);
- /* XXX: We adjust the percentage value to start with a fair value. Floating
- * cons always have 1.0 as percent which doesn’t work so well when
- * re-inserting (the formerly floating con would get 50% of the target
- * con). */
- con->percent = (1.0 / con_num_children(con->parent));
+ /* 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;
- TAILQ_INSERT_TAIL(&(con->parent->nodes_head), con, nodes);
- TAILQ_INSERT_TAIL(&(con->parent->focus_head), con, focused);
+ /* con_fix_percent will adjust the percent value */
+ con->percent = 0.0;
con->floating = FLOATING_USER_OFF;
+ con_attach(con, con->parent, false);
+
con_fix_percent(con->parent);
// TODO: don’t influence focus handling when Con was not focused before.
con_focus(con);
TAILQ_INSERT_TAIL(&(con->parent->floating_head), con, floating_windows);
}
+/*
+ * Checks if con’s coordinates are within its workspace and re-assigns it to
+ * the actual workspace if not.
+ *
+ */
+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));
+
+ if (!output) {
+ ELOG("No output found at destination coordinates?\n");
+ return false;
+ }
+
+ if (con_get_output(con) == output->con) {
+ DLOG("still the same ws\n");
+ return false;
+ }
+
+ DLOG("Need to re-assign!\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_focus(con_descend_focused(con));
+ return true;
+}
+
DRAGGING_CB(drag_window_callback) {
- struct xcb_button_press_event_t *event = extra;
+ const struct xcb_button_press_event_t *event = extra;
/* Reposition the client correctly while moving */
con->rect.x = old_rect->x + (new_x - event->root_x);
con->rect.y = old_rect->y + (new_y - event->root_y);
- /* TODO: don’t re-render the whole tree just because we change
- * coordinates of a floating window */
+
+ render_con(con, false);
+ x_push_node(con);
+ xcb_flush(conn);
+
+ /* Check if we cross workspace boundaries while moving */
+ if (!floating_maybe_reassign_ws(con))
+ return;
tree_render();
- x_push_changes(croot);
}
/*
* Calls the drag_pointer function with the drag_window callback
*
*/
-void floating_drag_window(Con *con, xcb_button_press_event_t *event) {
+void floating_drag_window(Con *con, const xcb_button_press_event_t *event) {
DLOG("floating_drag_window\n");
+ /* Push changes before dragging, so that the window gets raised now and not
+ * after the user releases the mouse button */
+ tree_render();
+
+ /* Drag the window */
drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, drag_window_callback, event);
tree_render();
}
*
*/
struct resize_window_callback_params {
- border_t corner;
- bool proportional;
- xcb_button_press_event_t *event;
+ const border_t corner;
+ const bool proportional;
+ const xcb_button_press_event_t *event;
};
DRAGGING_CB(resize_window_callback) {
- struct resize_window_callback_params *params = extra;
- xcb_button_press_event_t *event = params->event;
+ const struct resize_window_callback_params *params = extra;
+ const xcb_button_press_event_t *event = params->event;
border_t corner = params->corner;
int32_t dest_x = con->rect.x;
dest_height = old_rect->height - (new_y - event->root_y);
else dest_height = old_rect->height + (new_y - event->root_y);
- /* TODO: minimum window size */
-#if 0
/* Obey minimum window size */
- dest_width = max(dest_width, client_min_width(client));
- dest_height = max(dest_height, client_min_height(client));
-#endif
+ Rect minimum = con_minimum_size(con);
+ dest_width = max(dest_width, minimum.width);
+ dest_height = max(dest_height, minimum.height);
/* User wants to keep proportions, so we may have to adjust our values */
if (params->proportional) {
* Calls the drag_pointer function with the resize_window callback
*
*/
-void floating_resize_window(Con *con, bool proportional,
- xcb_button_press_event_t *event) {
+void floating_resize_window(Con *con, const bool proportional,
+ const xcb_button_press_event_t *event) {
DLOG("floating_resize_window\n");
/* corner saves the nearest corner to the original click. It contains
if (event->event_y <= (con->rect.height / 2))
corner |= BORDER_TOP;
- else corner |= BORDER_RIGHT;
+ else corner |= BORDER_BOTTOM;
struct resize_window_callback_params params = { corner, proportional, event };
* the event and the new coordinates (x, y).
*
*/
-void drag_pointer(Con *con, xcb_button_press_event_t *event, xcb_window_t
- confine_to, border_t border, callback_t callback, void *extra)
+void drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t
+ confine_to, border_t border, callback_t callback, const void *extra)
{
uint32_t new_x, new_y;
Rect old_rect;
memcpy(&old_rect, &(con->rect), sizeof(Rect));
/* Grab the pointer */
- /* TODO: returncode */
- xcb_grab_pointer(conn,
- false, /* get all pointer events specified by the following mask */
- root, /* grab the root window */
- XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */
- XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
- XCB_GRAB_MODE_ASYNC, /* keyboard mode */
- confine_to, /* confine_to = in which window should the cursor stay */
- XCB_NONE, /* don’t display a special cursor */
- XCB_CURRENT_TIME);
+ xcb_grab_pointer_cookie_t cookie;
+ xcb_grab_pointer_reply_t *reply;
+ cookie = xcb_grab_pointer(conn,
+ false, /* get all pointer events specified by the following mask */
+ root, /* grab the root window */
+ XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */
+ XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
+ XCB_GRAB_MODE_ASYNC, /* keyboard mode */
+ confine_to, /* confine_to = in which window should the cursor stay */
+ XCB_NONE, /* don’t display a special cursor */
+ XCB_CURRENT_TIME);
+
+ if ((reply = xcb_grab_pointer_reply(conn, cookie, NULL)) == NULL) {
+ ELOG("Could not grab pointer\n");
+ return;
+ }
+
+ free(reply);
/* Go into our own event loop */
xcb_flush(conn);
xcb_generic_event_t *inside_event, *last_motion_notify = NULL;
+ bool loop_done = false;
/* I’ve always wanted to have my own eventhandler… */
- while ((inside_event = xcb_wait_for_event(conn))) {
+ while (!loop_done && (inside_event = xcb_wait_for_event(conn))) {
/* We now handle all events we can get using xcb_poll_for_event */
do {
- /* 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);
+ /* skip x11 errors */
+ if (inside_event->response_type == 0) {
free(inside_event);
continue;
}
- assert(nr < 256);
- nr &= XCB_EVENT_RESPONSE_TYPE_MASK;
- assert(nr >= 2);
+ /* Strip off the highest bit (set if the event is generated) */
+ int type = (inside_event->response_type & 0x7F);
- switch (nr) {
+ switch (type) {
case XCB_BUTTON_RELEASE:
- goto done;
+ loop_done = true;
+ break;
case XCB_MOTION_NOTIFY:
/* motion_notify events are saved for later */
break;
case XCB_UNMAP_NOTIFY:
+ case XCB_KEY_PRESS:
+ case XCB_KEY_RELEASE:
DLOG("Unmap-notify, aborting\n");
- xcb_event_handle(&evenths, inside_event);
- goto done;
+ handle_event(type, inside_event);
+ loop_done = true;
+ break;
default:
DLOG("Passing to original handler\n");
/* Use original handler */
- xcb_event_handle(&evenths, inside_event);
+ handle_event(type, inside_event);
break;
}
if (last_motion_notify != inside_event)
callback(con, &old_rect, new_x, new_y, extra);
FREE(last_motion_notify);
}
-done:
+
xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
xcb_flush(conn);
}
-#if 0
/*
- * Changes focus in the given direction for floating clients.
- *
- * Changing to the left/right means going to the previous/next floating client,
- * changing to top/bottom means cycling through the Z-index.
+ * Repositions the CT_FLOATING_CON to have the coordinates specified by
+ * newrect, but only if the coordinates are not out-of-bounds. Also reassigns
+ * the floating con to a different workspace if this move was across different
+ * outputs.
*
*/
-void floating_focus_direction(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
- DLOG("floating focus\n");
+void floating_reposition(Con *con, Rect newrect) {
+ /* Sanity check: Are the new coordinates on any output? If not, we
+ * ignore that request. */
+ Output *output = get_output_containing(
+ newrect.x + (newrect.width / 2),
+ newrect.y + (newrect.height / 2));
+
+ if (!output) {
+ ELOG("No output found at destination coordinates. Not repositioning.\n");
+ return;
+ }
- if (direction == D_LEFT || direction == D_RIGHT) {
- /* Go to the next/previous floating client */
- Client *client;
+ con->rect = newrect;
- while ((client = (direction == D_LEFT ? TAILQ_PREV(currently_focused, floating_clients_head, floating_clients) :
- TAILQ_NEXT(currently_focused, floating_clients))) !=
- TAILQ_END(&(currently_focused->workspace->floating_clients))) {
- if (!client->floating)
- continue;
- set_focus(conn, client, true);
- return;
- }
- }
+ floating_maybe_reassign_ws(con);
+ tree_render();
}
+/*
+ * Fixes the coordinates of the floating window whenever the window gets
+ * reassigned to a different output (or when the output’s rect changes).
+ *
+ */
+void floating_fix_coordinates(Con *con, Rect *old_rect, Rect *new_rect) {
+ DLOG("Fixing coordinates of floating window %p (rect (%d, %d), %d x %d)\n",
+ con, con->rect.x, con->rect.y, con->rect.width, con->rect.height);
+ DLOG("old_rect = (%d, %d), %d x %d\n",
+ old_rect->x, old_rect->y, old_rect->width, old_rect->height);
+ DLOG("new_rect = (%d, %d), %d x %d\n",
+ new_rect->x, new_rect->y, new_rect->width, new_rect->height);
+ /* First we get the x/y coordinates relative to the x/y coordinates
+ * of the output on which the window is on */
+ int32_t rel_x = (con->rect.x - old_rect->x);
+ int32_t rel_y = (con->rect.y - old_rect->y);
+ /* Then we calculate a fraction, for example 0.63 for a window
+ * which is at y = 1212 of a 1920 px high output */
+ DLOG("rel_x = %d, rel_y = %d, fraction_x = %f, fraction_y = %f, output->w = %d, output->h = %d\n",
+ rel_x, rel_y, (double)rel_x / old_rect->width, (double)rel_y / old_rect->height,
+ old_rect->width, old_rect->height);
+ /* Here we have to multiply at first. Or we will lose precision when not compiled with -msse2 */
+ con->rect.x = (int32_t)new_rect->x + (double)(rel_x * (int32_t)new_rect->width) / (int32_t)old_rect->width;
+ con->rect.y = (int32_t)new_rect->y + (double)(rel_y * (int32_t)new_rect->height) / (int32_t)old_rect->height;
+ DLOG("Resulting coordinates: x = %d, y = %d\n", con->rect.x, con->rect.y);
+}
+
+#if 0
/*
* Moves the client 10px to the specified direction.
*
projects / i3 / i3 / blobdiff