extern int num_screens;
extern xcb_atom_t atoms[NUM_ATOMS];
-void manage_window(xcb_property_handlers_t *prophs, xcb_connection_t *conn, xcb_window_t window, window_attributes_t wa);
-void reparent_window(xcb_connection_t *conn, xcb_window_t child,
- xcb_visualid_t visual, xcb_window_t root, uint8_t depth,
- int16_t x, int16_t y, uint16_t width, uint16_t height);
-
#endif
--- /dev/null
+/*
+ * vim:ts=8:expandtab
+ *
+ * i3 - an improved dynamic tiling window manager
+ *
+ * (c) 2009 Michael Stapelberg and contributors
+ *
+ * See file LICENSE for license information.
+ *
+ */
+#include <xcb/xcb.h>
+
+#include "data.h"
+
+#ifndef _MANAGE_H
+#define _MANAGE_H
+
+/**
+ * Go through all existing windows (if the window manager is restarted) and manage them
+ *
+ */
+void manage_existing_windows(xcb_connection_t *conn, xcb_property_handlers_t *prophs, xcb_window_t root);
+
+/**
+ * Do some sanity checks and then reparent the window.
+ *
+ */
+void manage_window(xcb_property_handlers_t *prophs, xcb_connection_t *conn,
+ xcb_window_t window, window_attributes_t wa);
+
+/**
+ * reparent_window() gets called when a new window was opened and becomes a child of the root
+ * window, or it gets called by us when we manage the already existing windows at startup.
+ *
+ * Essentially, this is the point where we take over control.
+ *
+ */
+void reparent_window(xcb_connection_t *conn, xcb_window_t child,
+ xcb_visualid_t visual, xcb_window_t root, uint8_t depth,
+ int16_t x, int16_t y, uint16_t width, uint16_t height);
+
+#endif
#include "queue.h"
#include "resize.h"
#include "client.h"
+#include "manage.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
#include "util.h"
#include "xcb.h"
#include "xinerama.h"
+#include "manage.h"
/* This is the path to i3, copied from argv[0] when starting up */
char **start_argv;
int num_screens = 0;
-/*
- * Do some sanity checks and then reparent the window.
- *
- */
-void manage_window(xcb_property_handlers_t *prophs, xcb_connection_t *conn, xcb_window_t window, window_attributes_t wa) {
- LOG("managing window.\n");
- xcb_drawable_t d = { window };
- xcb_get_geometry_cookie_t geomc;
- xcb_get_geometry_reply_t *geom;
- xcb_get_window_attributes_reply_t *attr = 0;
-
- if (wa.tag == TAG_COOKIE) {
- /* Check if the window is mapped (it could be not mapped when intializing and
- calling manage_window() for every window) */
- if ((attr = xcb_get_window_attributes_reply(conn, wa.u.cookie, 0)) == NULL)
- return;
-
- if (attr->map_state != XCB_MAP_STATE_VIEWABLE)
- goto out;
-
- wa.tag = TAG_VALUE;
- wa.u.override_redirect = attr->override_redirect;
- }
-
- /* Don’t manage clients with the override_redirect flag */
- if (wa.u.override_redirect)
- goto out;
-
- /* Check if the window is already managed */
- if (table_get(&by_child, window))
- goto out;
-
- /* Get the initial geometry (position, size, …) */
- geomc = xcb_get_geometry(conn, d);
- if (!attr) {
- wa.tag = TAG_COOKIE;
- wa.u.cookie = xcb_get_window_attributes(conn, window);
- if ((attr = xcb_get_window_attributes_reply(conn, wa.u.cookie, 0)) == NULL)
- return;
- }
- if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL)
- goto out;
-
- /* Reparent the window and add it to our list of managed windows */
- reparent_window(conn, window, attr->visual, geom->root, geom->depth,
- geom->x, geom->y, geom->width, geom->height);
-
- /* Generate callback events for every property we watch */
- xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, WM_CLASS);
- xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, WM_NAME);
- xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, WM_NORMAL_HINTS);
- xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, atoms[_NET_WM_NAME]);
-
- free(geom);
-out:
- free(attr);
- return;
-}
-
-/*
- * reparent_window() gets called when a new window was opened and becomes a child of the root
- * window, or it gets called by us when we manage the already existing windows at startup.
- *
- * Essentially, this is the point where we take over control.
- *
- */
-void reparent_window(xcb_connection_t *conn, xcb_window_t child,
- xcb_visualid_t visual, xcb_window_t root, uint8_t depth,
- int16_t x, int16_t y, uint16_t width, uint16_t height) {
-
- xcb_get_property_cookie_t wm_type_cookie, strut_cookie, state_cookie,
- utf8_title_cookie, title_cookie, class_cookie;
- uint32_t mask = 0;
- uint32_t values[3];
-
- /* We are interested in property changes */
- mask = XCB_CW_EVENT_MASK;
- values[0] = CHILD_EVENT_MASK;
- xcb_change_window_attributes(conn, child, mask, values);
-
- /* Map the window first to avoid flickering */
- xcb_map_window(conn, child);
-
- /* Place requests for properties ASAP */
- wm_type_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_WINDOW_TYPE], UINT32_MAX);
- strut_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_STRUT_PARTIAL], UINT32_MAX);
- state_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_STATE], UINT32_MAX);
- utf8_title_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_NAME], 128);
- title_cookie = xcb_get_any_property_unchecked(conn, false, child, WM_NAME, 128);
- class_cookie = xcb_get_any_property_unchecked(conn, false, child, WM_CLASS, 128);
-
- Client *new = table_get(&by_child, child);
-
- /* Events for already managed windows should already be filtered in manage_window() */
- assert(new == NULL);
-
- LOG("reparenting new client\n");
- new = calloc(sizeof(Client), 1);
- new->force_reconfigure = true;
-
- /* Update the data structures */
- Client *old_focused = CUR_CELL->currently_focused;
-
- new->container = CUR_CELL;
- new->workspace = new->container->workspace;
-
- new->frame = xcb_generate_id(conn);
- new->child = child;
- new->rect.width = width;
- new->rect.height = height;
-
- mask = 0;
-
- /* Don’t generate events for our new window, it should *not* be managed */
- mask |= XCB_CW_OVERRIDE_REDIRECT;
- values[0] = 1;
-
- /* We want to know when… */
- mask |= XCB_CW_EVENT_MASK;
- values[1] = FRAME_EVENT_MASK;
-
- LOG("Reparenting 0x%08x under 0x%08x.\n", child, new->frame);
-
- i3Font *font = load_font(conn, config.font);
- width = min(width, c_ws->rect.x + c_ws->rect.width);
- height = min(height, c_ws->rect.y + c_ws->rect.height);
-
- Rect framerect = {x, y,
- width + 2 + 2, /* 2 px border at each side */
- height + 2 + 2 + font->height}; /* 2 px border plus font’s height */
-
- /* Yo dawg, I heard you like windows, so I create a window around your window… */
- new->frame = create_window(conn, framerect, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_CURSOR_LEFT_PTR, mask, values);
-
- /* Set WM_STATE_NORMAL because GTK applications don’t want to drag & drop if we don’t.
- * Also, xprop(1) needs that to work. */
- long data[] = { XCB_WM_STATE_NORMAL, XCB_NONE };
- xcb_change_property(conn, XCB_PROP_MODE_REPLACE, new->child, atoms[WM_STATE], atoms[WM_STATE], 32, 2, data);
-
- /* Put the client inside the save set. Upon termination (whether killed or normal exit
- does not matter) of the window manager, these clients will be correctly reparented
- to their most closest living ancestor (= cleanup) */
- xcb_change_save_set(conn, XCB_SET_MODE_INSERT, child);
-
- /* Generate a graphics context for the titlebar */
- new->titlegc = xcb_generate_id(conn);
- xcb_create_gc(conn, new->titlegc, new->frame, 0, 0);
-
- /* Moves the original window into the new frame we've created for it */
- new->awaiting_useless_unmap = true;
- xcb_void_cookie_t cookie = xcb_reparent_window_checked(conn, child, new->frame, 0, font->height);
- if (xcb_request_check(conn, cookie) != NULL) {
- LOG("Could not reparent the window, aborting\n");
- xcb_destroy_window(conn, new->frame);
- free(new);
- return;
- }
-
- /* Put our data structure (Client) into the table */
- table_put(&by_parent, new->frame, new);
- table_put(&by_child, child, new);
-
- /* We need to grab the mouse buttons for click to focus */
- xcb_grab_button(conn, false, child, XCB_EVENT_MASK_BUTTON_PRESS,
- XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
- 1 /* left mouse button */,
- XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
-
- /* Get _NET_WM_WINDOW_TYPE (to see if it’s a dock) */
- xcb_atom_t *atom;
- xcb_get_property_reply_t *preply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
- if (preply != NULL && preply->value_len > 0 && (atom = xcb_get_property_value(preply))) {
- for (int i = 0; i < xcb_get_property_value_length(preply); i++) {
- if (atom[i] != atoms[_NET_WM_WINDOW_TYPE_DOCK])
- continue;
- LOG("Window is a dock.\n");
- new->dock = true;
- new->titlebar_position = TITLEBAR_OFF;
- new->force_reconfigure = true;
- new->container = NULL;
- SLIST_INSERT_HEAD(&(c_ws->screen->dock_clients), new, dock_clients);
- }
- }
-
- if (new->dock) {
- /* Get _NET_WM_STRUT_PARTIAL to determine the client’s requested height */
- uint32_t *strut;
- preply = xcb_get_property_reply(conn, strut_cookie, NULL);
- if (preply != NULL && preply->value_len > 0 && (strut = xcb_get_property_value(preply))) {
- /* We only use a subset of the provided values, namely the reserved space at the top/bottom
- of the screen. This is because the only possibility for bars is at to be at the top/bottom
- with maximum horizontal size.
- TODO: bars at the top */
- new->desired_height = strut[3];
- if (new->desired_height == 0) {
- LOG("Client wanted to be 0 pixels high, using the window's height (%d)\n", height);
- new->desired_height = height;
- }
- LOG("the client wants to be %d pixels high\n", new->desired_height);
- } else {
- LOG("The client didn't specify space to reserve at the screen edge, using its height (%d)\n", height);
- new->desired_height = height;
- }
- } else {
- /* If it’s not a dock, we can check on which workspace we should put it. */
-
- /* Firstly, we need to get the window’s class / title. We asked for the properties at the
- * top of this function, get them now and pass them to our callback function for window class / title
- * changes. It is important that the client was already inserted into the by_child table,
- * because the callbacks won’t work otherwise. */
- preply = xcb_get_property_reply(conn, utf8_title_cookie, NULL);
- handle_windowname_change(NULL, conn, 0, new->child, atoms[_NET_WM_NAME], preply);
-
- preply = xcb_get_property_reply(conn, title_cookie, NULL);
- handle_windowname_change_legacy(NULL, conn, 0, new->child, WM_NAME, preply);
-
- preply = xcb_get_property_reply(conn, class_cookie, NULL);
- handle_windowclass_change(NULL, conn, 0, new->child, WM_CLASS, preply);
-
- LOG("DEBUG: should have all infos now\n");
- struct Assignment *assign;
- TAILQ_FOREACH(assign, &assignments, assignments) {
- if (get_matching_client(conn, assign->windowclass_title, new) == NULL)
- continue;
-
- LOG("Assignment \"%s\" matches, so putting it on workspace %d\n",
- assign->windowclass_title, assign->workspace);
-
- if (c_ws->screen->current_workspace == (assign->workspace-1)) {
- LOG("We are already there, no need to do anything\n");
- break;
- }
-
- LOG("Changin container/workspace and unmapping the client\n");
- Workspace *t_ws = &(workspaces[assign->workspace-1]);
- if (t_ws->screen == NULL) {
- LOG("initializing new workspace, setting num to %d\n", assign->workspace);
- t_ws->screen = c_ws->screen;
- /* Copy the dimensions from the virtual screen */
- memcpy(&(t_ws->rect), &(t_ws->screen->rect), sizeof(Rect));
- }
-
- new->container = t_ws->table[t_ws->current_col][t_ws->current_row];
- new->workspace = t_ws;
- xcb_unmap_window(conn, new->frame);
- break;
- }
- }
-
- if (CUR_CELL->workspace->fullscreen_client != NULL) {
- if (new->container == CUR_CELL) {
- /* If we are in fullscreen, we should lower the window to not be annoying */
- uint32_t values[] = { XCB_STACK_MODE_BELOW };
- xcb_configure_window(conn, new->frame, XCB_CONFIG_WINDOW_STACK_MODE, values);
- }
- } else if (!new->dock) {
- /* Focus the new window if we’re not in fullscreen mode and if it is not a dock window */
- if (new->container->workspace->fullscreen_client == NULL) {
- new->container->currently_focused = new;
- if (new->container == CUR_CELL)
- xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, new->child, XCB_CURRENT_TIME);
- }
- }
-
- /* Insert into the currently active container, if it’s not a dock window */
- if (!new->dock) {
- /* Insert after the old active client, if existing. If it does not exist, the
- container is empty and it does not matter, where we insert it */
- if (old_focused != NULL && !old_focused->dock)
- CIRCLEQ_INSERT_AFTER(&(new->container->clients), old_focused, new, clients);
- else CIRCLEQ_INSERT_TAIL(&(new->container->clients), new, clients);
-
- SLIST_INSERT_HEAD(&(new->container->workspace->focus_stack), new, focus_clients);
- }
-
- /* Check if the window already got the fullscreen hint set */
- xcb_atom_t *state;
- if ((preply = xcb_get_property_reply(conn, state_cookie, NULL)) != NULL &&
- (state = xcb_get_property_value(preply)) != NULL)
- /* Check all set _NET_WM_STATEs */
- for (int i = 0; i < xcb_get_property_value_length(preply); i++) {
- if (state[i] != atoms[_NET_WM_STATE_FULLSCREEN])
- continue;
- /* If the window got the fullscreen state, we just toggle fullscreen
- and don’t event bother to redraw the layout – that would not change
- anything anyways */
- toggle_fullscreen(conn, new);
- return;
- }
-
- render_layout(conn);
-}
-
-/*
- * Go through all existing windows (if the window manager is restarted) and manage them
- *
- */
-void manage_existing_windows(xcb_connection_t *conn, xcb_property_handlers_t *prophs, xcb_window_t root) {
- xcb_query_tree_reply_t *reply;
- int i, len;
- xcb_window_t *children;
- xcb_get_window_attributes_cookie_t *cookies;
-
- /* Get the tree of windows whose parent is the root window (= all) */
- if ((reply = xcb_query_tree_reply(conn, xcb_query_tree(conn, root), 0)) == NULL)
- return;
-
- len = xcb_query_tree_children_length(reply);
- cookies = smalloc(len * sizeof(*cookies));
-
- /* Request the window attributes for every window */
- children = xcb_query_tree_children(reply);
- for(i = 0; i < len; ++i)
- cookies[i] = xcb_get_window_attributes(conn, children[i]);
-
- /* Call manage_window with the attributes for every window */
- for(i = 0; i < len; ++i) {
- window_attributes_t wa = { TAG_COOKIE, { cookies[i] } };
- manage_window(prophs, conn, children[i], wa);
- }
-
- free(reply);
- free(cookies);
-}
-
int main(int argc, char *argv[], char *env[]) {
int i, screens, opt;
char *override_configpath = NULL;
--- /dev/null
+/*
+ * vim:ts=8:expandtab
+ *
+ * i3 - an improved dynamic tiling window manager
+ *
+ * © 2009 Michael Stapelberg and contributors
+ *
+ * See file LICENSE for license information.
+ *
+ * src/manage.c: Contains all functions for initially managing new windows
+ * (or existing ones on restart).
+ *
+ */
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <xcb/xcb.h>
+#include <xcb/xcb_icccm.h>
+
+#include "xcb.h"
+#include "data.h"
+#include "util.h"
+#include "i3.h"
+#include "table.h"
+#include "config.h"
+#include "handlers.h"
+#include "layout.h"
+#include "manage.h"
+
+/*
+ * Go through all existing windows (if the window manager is restarted) and manage them
+ *
+ */
+void manage_existing_windows(xcb_connection_t *conn, xcb_property_handlers_t *prophs, xcb_window_t root) {
+ xcb_query_tree_reply_t *reply;
+ int i, len;
+ xcb_window_t *children;
+ xcb_get_window_attributes_cookie_t *cookies;
+
+ /* Get the tree of windows whose parent is the root window (= all) */
+ if ((reply = xcb_query_tree_reply(conn, xcb_query_tree(conn, root), 0)) == NULL)
+ return;
+
+ len = xcb_query_tree_children_length(reply);
+ cookies = smalloc(len * sizeof(*cookies));
+
+ /* Request the window attributes for every window */
+ children = xcb_query_tree_children(reply);
+ for(i = 0; i < len; ++i)
+ cookies[i] = xcb_get_window_attributes(conn, children[i]);
+
+ /* Call manage_window with the attributes for every window */
+ for(i = 0; i < len; ++i) {
+ window_attributes_t wa = { TAG_COOKIE, { cookies[i] } };
+ manage_window(prophs, conn, children[i], wa);
+ }
+
+ free(reply);
+ free(cookies);
+}
+
+/*
+ * Do some sanity checks and then reparent the window.
+ *
+ */
+void manage_window(xcb_property_handlers_t *prophs, xcb_connection_t *conn, xcb_window_t window, window_attributes_t wa) {
+ LOG("managing window.\n");
+ xcb_drawable_t d = { window };
+ xcb_get_geometry_cookie_t geomc;
+ xcb_get_geometry_reply_t *geom;
+ xcb_get_window_attributes_reply_t *attr = 0;
+
+ if (wa.tag == TAG_COOKIE) {
+ /* Check if the window is mapped (it could be not mapped when intializing and
+ calling manage_window() for every window) */
+ if ((attr = xcb_get_window_attributes_reply(conn, wa.u.cookie, 0)) == NULL)
+ return;
+
+ if (attr->map_state != XCB_MAP_STATE_VIEWABLE)
+ goto out;
+
+ wa.tag = TAG_VALUE;
+ wa.u.override_redirect = attr->override_redirect;
+ }
+
+ /* Don’t manage clients with the override_redirect flag */
+ if (wa.u.override_redirect)
+ goto out;
+
+ /* Check if the window is already managed */
+ if (table_get(&by_child, window))
+ goto out;
+
+ /* Get the initial geometry (position, size, …) */
+ geomc = xcb_get_geometry(conn, d);
+ if (!attr) {
+ wa.tag = TAG_COOKIE;
+ wa.u.cookie = xcb_get_window_attributes(conn, window);
+ if ((attr = xcb_get_window_attributes_reply(conn, wa.u.cookie, 0)) == NULL)
+ return;
+ }
+ if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL)
+ goto out;
+
+ /* Reparent the window and add it to our list of managed windows */
+ reparent_window(conn, window, attr->visual, geom->root, geom->depth,
+ geom->x, geom->y, geom->width, geom->height);
+
+ /* Generate callback events for every property we watch */
+ xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, WM_CLASS);
+ xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, WM_NAME);
+ xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, WM_NORMAL_HINTS);
+ xcb_property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, atoms[_NET_WM_NAME]);
+
+ free(geom);
+out:
+ free(attr);
+ return;
+}
+
+/*
+ * reparent_window() gets called when a new window was opened and becomes a child of the root
+ * window, or it gets called by us when we manage the already existing windows at startup.
+ *
+ * Essentially, this is the point where we take over control.
+ *
+ */
+void reparent_window(xcb_connection_t *conn, xcb_window_t child,
+ xcb_visualid_t visual, xcb_window_t root, uint8_t depth,
+ int16_t x, int16_t y, uint16_t width, uint16_t height) {
+
+ xcb_get_property_cookie_t wm_type_cookie, strut_cookie, state_cookie,
+ utf8_title_cookie, title_cookie, class_cookie;
+ uint32_t mask = 0;
+ uint32_t values[3];
+
+ /* We are interested in property changes */
+ mask = XCB_CW_EVENT_MASK;
+ values[0] = CHILD_EVENT_MASK;
+ xcb_change_window_attributes(conn, child, mask, values);
+
+ /* Map the window first to avoid flickering */
+ xcb_map_window(conn, child);
+
+ /* Place requests for properties ASAP */
+ wm_type_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_WINDOW_TYPE], UINT32_MAX);
+ strut_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_STRUT_PARTIAL], UINT32_MAX);
+ state_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_STATE], UINT32_MAX);
+ utf8_title_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_NAME], 128);
+ title_cookie = xcb_get_any_property_unchecked(conn, false, child, WM_NAME, 128);
+ class_cookie = xcb_get_any_property_unchecked(conn, false, child, WM_CLASS, 128);
+
+ Client *new = table_get(&by_child, child);
+
+ /* Events for already managed windows should already be filtered in manage_window() */
+ assert(new == NULL);
+
+ LOG("reparenting new client\n");
+ new = calloc(sizeof(Client), 1);
+ new->force_reconfigure = true;
+
+ /* Update the data structures */
+ Client *old_focused = CUR_CELL->currently_focused;
+
+ new->container = CUR_CELL;
+ new->workspace = new->container->workspace;
+
+ new->frame = xcb_generate_id(conn);
+ new->child = child;
+ new->rect.width = width;
+ new->rect.height = height;
+
+ mask = 0;
+
+ /* Don’t generate events for our new window, it should *not* be managed */
+ mask |= XCB_CW_OVERRIDE_REDIRECT;
+ values[0] = 1;
+
+ /* We want to know when… */
+ mask |= XCB_CW_EVENT_MASK;
+ values[1] = FRAME_EVENT_MASK;
+
+ LOG("Reparenting 0x%08x under 0x%08x.\n", child, new->frame);
+
+ i3Font *font = load_font(conn, config.font);
+ width = min(width, c_ws->rect.x + c_ws->rect.width);
+ height = min(height, c_ws->rect.y + c_ws->rect.height);
+
+ Rect framerect = {x, y,
+ width + 2 + 2, /* 2 px border at each side */
+ height + 2 + 2 + font->height}; /* 2 px border plus font’s height */
+
+ /* Yo dawg, I heard you like windows, so I create a window around your window… */
+ new->frame = create_window(conn, framerect, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_CURSOR_LEFT_PTR, mask, values);
+
+ /* Set WM_STATE_NORMAL because GTK applications don’t want to drag & drop if we don’t.
+ * Also, xprop(1) needs that to work. */
+ long data[] = { XCB_WM_STATE_NORMAL, XCB_NONE };
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, new->child, atoms[WM_STATE], atoms[WM_STATE], 32, 2, data);
+
+ /* Put the client inside the save set. Upon termination (whether killed or normal exit
+ does not matter) of the window manager, these clients will be correctly reparented
+ to their most closest living ancestor (= cleanup) */
+ xcb_change_save_set(conn, XCB_SET_MODE_INSERT, child);
+
+ /* Generate a graphics context for the titlebar */
+ new->titlegc = xcb_generate_id(conn);
+ xcb_create_gc(conn, new->titlegc, new->frame, 0, 0);
+
+ /* Moves the original window into the new frame we've created for it */
+ new->awaiting_useless_unmap = true;
+ xcb_void_cookie_t cookie = xcb_reparent_window_checked(conn, child, new->frame, 0, font->height);
+ if (xcb_request_check(conn, cookie) != NULL) {
+ LOG("Could not reparent the window, aborting\n");
+ xcb_destroy_window(conn, new->frame);
+ free(new);
+ return;
+ }
+
+ /* Put our data structure (Client) into the table */
+ table_put(&by_parent, new->frame, new);
+ table_put(&by_child, child, new);
+
+ /* We need to grab the mouse buttons for click to focus */
+ xcb_grab_button(conn, false, child, XCB_EVENT_MASK_BUTTON_PRESS,
+ XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
+ 1 /* left mouse button */,
+ XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
+
+ /* Get _NET_WM_WINDOW_TYPE (to see if it’s a dock) */
+ xcb_atom_t *atom;
+ xcb_get_property_reply_t *preply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
+ if (preply != NULL && preply->value_len > 0 && (atom = xcb_get_property_value(preply))) {
+ for (int i = 0; i < xcb_get_property_value_length(preply); i++) {
+ if (atom[i] != atoms[_NET_WM_WINDOW_TYPE_DOCK])
+ continue;
+ LOG("Window is a dock.\n");
+ new->dock = true;
+ new->titlebar_position = TITLEBAR_OFF;
+ new->force_reconfigure = true;
+ new->container = NULL;
+ SLIST_INSERT_HEAD(&(c_ws->screen->dock_clients), new, dock_clients);
+ }
+ }
+
+ if (new->dock) {
+ /* Get _NET_WM_STRUT_PARTIAL to determine the client’s requested height */
+ uint32_t *strut;
+ preply = xcb_get_property_reply(conn, strut_cookie, NULL);
+ if (preply != NULL && preply->value_len > 0 && (strut = xcb_get_property_value(preply))) {
+ /* We only use a subset of the provided values, namely the reserved space at the top/bottom
+ of the screen. This is because the only possibility for bars is at to be at the top/bottom
+ with maximum horizontal size.
+ TODO: bars at the top */
+ new->desired_height = strut[3];
+ if (new->desired_height == 0) {
+ LOG("Client wanted to be 0 pixels high, using the window's height (%d)\n", height);
+ new->desired_height = height;
+ }
+ LOG("the client wants to be %d pixels high\n", new->desired_height);
+ } else {
+ LOG("The client didn't specify space to reserve at the screen edge, using its height (%d)\n", height);
+ new->desired_height = height;
+ }
+ } else {
+ /* If it’s not a dock, we can check on which workspace we should put it. */
+
+ /* Firstly, we need to get the window’s class / title. We asked for the properties at the
+ * top of this function, get them now and pass them to our callback function for window class / title
+ * changes. It is important that the client was already inserted into the by_child table,
+ * because the callbacks won’t work otherwise. */
+ preply = xcb_get_property_reply(conn, utf8_title_cookie, NULL);
+ handle_windowname_change(NULL, conn, 0, new->child, atoms[_NET_WM_NAME], preply);
+
+ preply = xcb_get_property_reply(conn, title_cookie, NULL);
+ handle_windowname_change_legacy(NULL, conn, 0, new->child, WM_NAME, preply);
+
+ preply = xcb_get_property_reply(conn, class_cookie, NULL);
+ handle_windowclass_change(NULL, conn, 0, new->child, WM_CLASS, preply);
+
+ LOG("DEBUG: should have all infos now\n");
+ struct Assignment *assign;
+ TAILQ_FOREACH(assign, &assignments, assignments) {
+ if (get_matching_client(conn, assign->windowclass_title, new) == NULL)
+ continue;
+
+ LOG("Assignment \"%s\" matches, so putting it on workspace %d\n",
+ assign->windowclass_title, assign->workspace);
+
+ if (c_ws->screen->current_workspace == (assign->workspace-1)) {
+ LOG("We are already there, no need to do anything\n");
+ break;
+ }
+
+ LOG("Changin container/workspace and unmapping the client\n");
+ Workspace *t_ws = &(workspaces[assign->workspace-1]);
+ if (t_ws->screen == NULL) {
+ LOG("initializing new workspace, setting num to %d\n", assign->workspace);
+ t_ws->screen = c_ws->screen;
+ /* Copy the dimensions from the virtual screen */
+ memcpy(&(t_ws->rect), &(t_ws->screen->rect), sizeof(Rect));
+ }
+
+ new->container = t_ws->table[t_ws->current_col][t_ws->current_row];
+ new->workspace = t_ws;
+ xcb_unmap_window(conn, new->frame);
+ break;
+ }
+ }
+
+ if (CUR_CELL->workspace->fullscreen_client != NULL) {
+ if (new->container == CUR_CELL) {
+ /* If we are in fullscreen, we should lower the window to not be annoying */
+ uint32_t values[] = { XCB_STACK_MODE_BELOW };
+ xcb_configure_window(conn, new->frame, XCB_CONFIG_WINDOW_STACK_MODE, values);
+ }
+ } else if (!new->dock) {
+ /* Focus the new window if we’re not in fullscreen mode and if it is not a dock window */
+ if (new->container->workspace->fullscreen_client == NULL) {
+ new->container->currently_focused = new;
+ if (new->container == CUR_CELL)
+ xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, new->child, XCB_CURRENT_TIME);
+ }
+ }
+
+ /* Insert into the currently active container, if it’s not a dock window */
+ if (!new->dock) {
+ /* Insert after the old active client, if existing. If it does not exist, the
+ container is empty and it does not matter, where we insert it */
+ if (old_focused != NULL && !old_focused->dock)
+ CIRCLEQ_INSERT_AFTER(&(new->container->clients), old_focused, new, clients);
+ else CIRCLEQ_INSERT_TAIL(&(new->container->clients), new, clients);
+
+ SLIST_INSERT_HEAD(&(new->container->workspace->focus_stack), new, focus_clients);
+ }
+
+ /* Check if the window already got the fullscreen hint set */
+ xcb_atom_t *state;
+ if ((preply = xcb_get_property_reply(conn, state_cookie, NULL)) != NULL &&
+ (state = xcb_get_property_value(preply)) != NULL)
+ /* Check all set _NET_WM_STATEs */
+ for (int i = 0; i < xcb_get_property_value_length(preply); i++) {
+ if (state[i] != atoms[_NET_WM_STATE_FULLSCREEN])
+ continue;
+ /* If the window got the fullscreen state, we just toggle fullscreen
+ and don’t event bother to redraw the layout – that would not change
+ anything anyways */
+ toggle_fullscreen(conn, new);
+ return;
+ }
+
+ render_layout(conn);
+}