#include <search.h>
#include <xcb/xcb.h>
+#include <xcb/xcb_event.h>
+#include <xcb/xcb_keysyms.h>
#include <xcb/xinerama.h>
#include "util.h"
/* Internal structures */
struct win_sys {
- xcb_window_t xcb;
- int override; // normal vs override redirect
- int managed; // window is currently managed by wm
+ xcb_window_t xcb; // xcb window id
+ xcb_event_mask_t events; // currently watch events
+ int override; // normal vs override redirect
+ int mapped; // window is currently mapped
};
/* Global data */
-static xcb_connection_t *conn;
-static xcb_window_t root;
-static list_t *screens;
-static void *cache;
-
-/*****************
- * Constant data *
- *****************/
-
-const char *event_names[] = {
- [XCB_KEY_PRESS ] "key_press", [XCB_KEY_RELEASE ] "key_release",
- [XCB_BUTTON_PRESS ] "button_press", [XCB_BUTTON_RELEASE ] "button_release",
- [XCB_MOTION_NOTIFY ] "motion_notify", [XCB_ENTER_NOTIFY ] "enter_notify",
- [XCB_LEAVE_NOTIFY ] "leave_notify", [XCB_FOCUS_IN ] "focus_in",
- [XCB_FOCUS_OUT ] "focus_out", [XCB_KEYMAP_NOTIFY ] "keymap_notify",
- [XCB_EXPOSE ] "expose", [XCB_GRAPHICS_EXPOSURE] "graphics_exposure",
- [XCB_NO_EXPOSURE ] "no_exposure", [XCB_VISIBILITY_NOTIFY] "visibility_notify",
- [XCB_CREATE_NOTIFY ] "create_notify", [XCB_DESTROY_NOTIFY ] "destroy_notify",
- [XCB_UNMAP_NOTIFY ] "unmap_notify", [XCB_MAP_NOTIFY ] "map_notify",
- [XCB_MAP_REQUEST ] "map_request", [XCB_REPARENT_NOTIFY ] "reparent_notify",
- [XCB_CONFIGURE_NOTIFY ] "configure_notify", [XCB_CONFIGURE_REQUEST] "configure_request",
- [XCB_GRAVITY_NOTIFY ] "gravity_notify", [XCB_RESIZE_REQUEST ] "resize_request",
- [XCB_CIRCULATE_NOTIFY ] "circulate_notify", [XCB_CIRCULATE_REQUEST] "circulate_request",
- [XCB_PROPERTY_NOTIFY ] "property_notify", [XCB_SELECTION_CLEAR ] "selection_clear",
- [XCB_SELECTION_REQUEST] "selection_request", [XCB_SELECTION_NOTIFY ] "selection_notify",
- [XCB_COLORMAP_NOTIFY ] "colormap_notify", [XCB_CLIENT_MESSAGE ] "client_message",
- [XCB_MAPPING_NOTIFY ] "mapping_notify", [XCB_GE_GENERIC ] "ge_generic",
+static xcb_connection_t *conn;
+static xcb_key_symbols_t *keysyms;
+static xcb_window_t root;
+static xcb_event_mask_t events;
+static list_t *screens;
+static void *cache;
+
+
+/************************
+ * Conversion functions *
+ ************************/
+
+/* Key presses */
+static struct {
+ event_t ev;
+ xcb_keysym_t sym;
+} keysym_map[] = {
+ { EV_LEFT, 0xFF51 },
+ { EV_RIGHT, 0xFF53 },
+ { EV_UP, 0xFF52 },
+ { EV_DOWN, 0xFF54 },
+ { EV_HOME, 0xFF50 },
+ { EV_END, 0xFF57 },
+ { EV_PAGEUP, 0xFF55 },
+ { EV_PAGEDOWN, 0xFF56 },
+ { EV_F1, 0xFFBE },
+ { EV_F2, 0xFFBF },
+ { EV_F3, 0xFFC0 },
+ { EV_F4, 0xFFC1 },
+ { EV_F5, 0xFFC2 },
+ { EV_F6, 0xFFC3 },
+ { EV_F7, 0xFFC4 },
+ { EV_F8, 0xFFC5 },
+ { EV_F9, 0xFFC6 },
+ { EV_F10, 0xFFC7 },
+ { EV_F11, 0xFFC8 },
+ { EV_F12, 0xFFC9 },
};
+static xcb_keycode_t *event_to_keycodes(event_t ev)
+{
+ xcb_keycode_t *codes = NULL;
+
+ /* Get keysym */
+ xcb_keysym_t keysym = map_get(keysym_map, ev, ev, sym, ev);
+
+ /* Get keycodes */
+ if (!(codes = xcb_key_symbols_get_keycode(keysyms, keysym)))
+ warn("no keycode found for %d->%d", ev, keysym);
+
+ return codes;
+}
+
+static event_t keycode_to_event(xcb_keycode_t code)
+{
+ /* Get keysym */
+ xcb_keysym_t keysym = xcb_key_symbols_get_keysym(keysyms, code, 0);
+
+ /* Get event */
+ return map_get(keysym_map, sym,keysym, ev,keysym);
+}
+
+/* Button presses */
+static event_t button_to_event(xcb_button_t btn)
+{
+ return EV_MOUSE0 + btn;
+}
+
+static xcb_button_t event_to_button(event_t ev)
+{
+ return ev - EV_MOUSE0;
+}
+
+/* Modifier masks */
+static xcb_mod_mask_t mod_to_mask(mod_t mod)
+{
+ xcb_mod_mask_t mask = 0;
+ if (mod.alt) mask |= XCB_MOD_MASK_1;
+ if (mod.ctrl) mask |= XCB_MOD_MASK_CONTROL;
+ if (mod.shift) mask |= XCB_MOD_MASK_SHIFT;
+ if (mod.win) mask |= XCB_MOD_MASK_4;
+ return mask;
+}
+
+static mod_t mask_to_mod(xcb_mod_mask_t mask, int up)
+{
+ mod_t mod = { .up = up };
+ if (mask & XCB_MOD_MASK_1) mod.alt = 1;
+ if (mask & XCB_MOD_MASK_CONTROL) mod.ctrl = 1;
+ if (mask & XCB_MOD_MASK_SHIFT) mod.shift = 1;
+ if (mask & XCB_MOD_MASK_4) mod.win = 1;
+ return mod;
+}
+
+/* Mouse pointers */
+static ptr_t list_to_ptr(int16_t *list)
+{
+ ptr_t ptr = {};
+ ptr.rx = list[0]; // root_x
+ ptr.ry = list[1]; // root_y
+ ptr.x = list[2]; // event_x
+ ptr.y = list[3]; // event_y
+ return ptr;
+}
+
/********************
* Window functions *
********************/
win_t **win = tfind(&key, &cache, win_cmp);
if (!win) {
- printf("Warning: no window for %u\n", xcb);
+ warn("no window for %u", xcb);
return NULL;
}
* XCB Wrappers *
****************/
-static xcb_query_tree_reply_t *do_query_tree(xcb_window_t win)
+static int do_query_tree(xcb_window_t win, xcb_window_t **kids)
{
xcb_query_tree_cookie_t cookie =
xcb_query_tree(conn, win);
+ if (!cookie.sequence)
+ return warn("do_query_tree: %d - bad cookie", win);
+
xcb_query_tree_reply_t *reply =
xcb_query_tree_reply(conn, cookie, NULL);
if (!reply)
- error("do_query_tree: %d - no reply", win);
- printf("do_query_tree: %d\n", win);
- return reply;
+ return warn("do_query_tree: %d - no reply", win);
+
+ int nkids = xcb_query_tree_children_length(reply);
+ *kids = xcb_query_tree_children(reply);
+ printf("do_query_tree: %d - n=%d\n", win, nkids);
+ return nkids;
}
-static xcb_get_geometry_reply_t *do_get_geometry(xcb_window_t win)
+static int do_get_geometry(xcb_window_t win,
+ int *x, int *y, int *w, int *h)
{
xcb_get_geometry_cookie_t cookie =
xcb_get_geometry(conn, win);
+ if (!cookie.sequence)
+ return warn("do_get_geometry: %d - bad cookie", win);
+
xcb_get_geometry_reply_t *reply =
xcb_get_geometry_reply(conn, cookie, NULL);
if (!reply)
- error("do_get_geometry: %d - no reply", win);
+ return warn("do_get_geometry: %d - no reply", win);
+
printf("do_get_geometry: %d - %dx%d @ %d,%d\n",
win, reply->width, reply->height, reply->x, reply->y);
- return reply;
+ *x = reply->x;
+ *y = reply->y;
+ *w = reply->width;
+ *h = reply->height;
+ return 1;
}
-static xcb_get_window_attributes_reply_t *do_get_window_attributes(xcb_window_t win)
+static int do_get_window_attributes(xcb_window_t win,
+ int *override, int *mapped)
{
xcb_get_window_attributes_cookie_t cookie =
xcb_get_window_attributes(conn, win);
+ if (!cookie.sequence)
+ return warn("do_get_window_attributes: %d - bad cookie", win);
+
xcb_get_window_attributes_reply_t *reply =
xcb_get_window_attributes_reply(conn, cookie, NULL);
if (!reply)
- error("do_get_window_attributes: %d - no reply ", win);
+ return warn("do_get_window_attributes: %d - no reply ", win);
+
printf("do_get_window_attributes: %d - %d\n",
win, reply->override_redirect);
- return reply;
+ *override = reply->override_redirect;
+ *mapped = reply->map_state != XCB_MAP_STATE_UNMAPPED;
+ return 1;
}
static int do_xinerama_check(void)
const xcb_query_extension_reply_t *data =
xcb_get_extension_data(conn, &xcb_xinerama_id);
if (!data || !data->present)
- return printf("do_xinerama_check: no ext\n"), 0;
+ return warn("do_xinerama_check: no ext");
xcb_xinerama_is_active_cookie_t cookie =
xcb_xinerama_is_active(conn);
if (!cookie.sequence)
- return printf("do_xinerama_check: no cookie\n"), 0;
+ return warn("do_xinerama_check: no cookie");
xcb_xinerama_is_active_reply_t *reply =
xcb_xinerama_is_active_reply(conn, cookie, NULL);
if (!reply)
- printf("do_xinerama_check: no reply\n"), 0;
- else
- printf("do_xinerama_check: %d\n", reply->state);
+ warn("do_xinerama_check: no reply");
+
+ printf("do_xinerama_check: %d\n", reply->state);
return reply && reply->state;
}
-static xcb_xinerama_query_screens_reply_t *do_query_screens(void)
+static int do_query_screens(xcb_xinerama_screen_info_t **info)
{
xcb_xinerama_query_screens_cookie_t cookie =
xcb_xinerama_query_screens(conn);
+ if (!cookie.sequence)
+ return warn("do_query_screens: bad cookie");
+
xcb_xinerama_query_screens_reply_t *reply =
xcb_xinerama_query_screens_reply(conn, cookie, NULL);
if (!reply)
- printf("do_query_screens: no reply\n");
- else
- printf("do_query_screens: %d screens\n",
- xcb_xinerama_query_screens_screen_info_length(reply));
- return reply;
+ return warn("do_query_screens: no reply");
+
+ int ninfo = xcb_xinerama_query_screens_screen_info_length(reply);
+ *info = xcb_xinerama_query_screens_screen_info(reply);
+ printf("do_query_screens: %d screens\n", ninfo);
+ return ninfo;
}
/**********************
**********************/
/* Specific events */
+static void on_key_event(xcb_key_press_event_t *event, int up)
+{
+ xcb_window_t xcb = event->event == root ?
+ event->child : event->event;
+ win_t *win = win_get(xcb);
+ event_t ev = keycode_to_event(event->detail);
+ mod_t mod = mask_to_mod(event->state, up);
+ ptr_t ptr = list_to_ptr(&event->root_x);
+ printf("on_key_event: xcb=%u -> win=%p\n", xcb, win);
+ wm_handle_event(win, ev, mod, ptr);
+}
+
+static void on_button_event(xcb_button_press_event_t *event, int up)
+{
+ xcb_window_t xcb = event->event == root ?
+ event->child : event->event;
+ win_t *win = win_get(xcb);
+ event_t ev = button_to_event(event->detail);
+ mod_t mod = mask_to_mod(event->state, up);
+ ptr_t ptr = list_to_ptr(&event->root_x);
+ printf("on_button_event: xcb=%u -> win=%p\n", xcb, win);
+
+ if (!wm_handle_event(win, ev, mod, ptr))
+ xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
+ else if (!up)
+ xcb_grab_pointer(conn, 1, xcb,
+ XCB_EVENT_MASK_POINTER_MOTION |
+ XCB_EVENT_MASK_BUTTON_RELEASE,
+ XCB_GRAB_MODE_ASYNC,
+ XCB_GRAB_MODE_ASYNC,
+ 0, 0, XCB_CURRENT_TIME);
+ else
+ xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
+
+}
+
+static void on_motion_notify(xcb_motion_notify_event_t *event)
+{
+ xcb_window_t xcb = event->event == root ?
+ event->child : event->event;
+ win_t *win = win_get(xcb);
+ ptr_t ptr = list_to_ptr(&event->root_x);
+ printf("on_motion_notify: xcb=%u -> win=%p - %d,%d / %d.%d\n", xcb, win,
+ ptr.x, ptr.y, ptr.rx, ptr.ry);
+ wm_handle_ptr(win, ptr);
+}
+
static void on_create_notify(xcb_create_notify_event_t *event)
{
win_t *win = new0(win_t);
printf("on_map_request: xcb=%u -> win=%p\n",
event->window, win);
- if (!win->sys->managed) {
+ if (!win->sys->override && !win->sys->mapped)
wm_insert(win);
- win->sys->managed = 1;
- }
+ win->sys->mapped = 1;
xcb_map_window(conn, win->sys->xcb);
sys_move(win, win->x, win->y, win->w, win->h);
/* Generic Event */
static void on_event(xcb_generic_event_t *event)
{
- win_t *win = NULL;
- switch (event->response_type) {
+ win_t *win = NULL;
+
+ int type = XCB_EVENT_RESPONSE_TYPE(event);
+ int sent = XCB_EVENT_SENT(event);
+ const char *name = NULL;
+
+ switch (type) {
+ /* Input handling */
+ case XCB_KEY_PRESS:
+ on_key_event((xcb_key_press_event_t *)event, 0);
+ break;
+ case XCB_KEY_RELEASE:
+ on_key_event((xcb_key_release_event_t *)event, 1);
+ break;
+ case XCB_BUTTON_PRESS:
+ on_button_event((xcb_button_press_event_t *)event, 0);
+ break;
+ case XCB_BUTTON_RELEASE:
+ on_button_event((xcb_button_release_event_t *)event, 1);
+ break;
+ case XCB_MOTION_NOTIFY:
+ on_motion_notify((xcb_motion_notify_event_t *)event);
+ break;
+
+ /* Window management */
case XCB_CREATE_NOTIFY:
on_create_notify((xcb_create_notify_event_t *)event);
break;
if ((win = win_get(((xcb_configure_request_event_t *)event)->window)))
on_configure_request(win, (xcb_configure_request_event_t *)event);
break;
+
+ /* Unknown events */
default:
- printf("on_%s\n", event_names[event->response_type] ?: "unknown_event");
+ name = xcb_event_get_label(type);
+ printf("on_event: %d:%02X -> %s\n",
+ !!sent, type, name?:"unknown_event");
break;
}
}
void sys_move(win_t *win, int x, int y, int w, int h)
{
- printf("sys_move: %p - %dx%d @ %d,%d\n",
+ printf("sys_move: %p - %dx%d @ %d,%d\n",
win, w, h, x, y);
win->x = x;
void sys_show(win_t *win, state_t state)
{
- printf("sys_show: %p - %d\n", win, state);
+ printf("sys_show: %p - %d\n", win, state);
}
void sys_watch(win_t *win, event_t ev, mod_t mod)
{
printf("sys_watch: %p - 0x%X,0x%X\n", win, ev, mod2int(mod));
+ xcb_window_t xcb = win ? win->sys->xcb : root;
+ xcb_event_mask_t *mask = win ? &win->sys->events : &events;
+ xcb_mod_mask_t mods = 0;
+ xcb_button_t btn = 0;
+ xcb_keycode_t *code = 0;
+
+ switch (ev) {
+ case EV_ENTER:
+ *mask |= XCB_EVENT_MASK_ENTER_WINDOW;
+ xcb_change_window_attributes(conn, xcb, XCB_CW_EVENT_MASK, mask);
+ break;
+
+ case EV_LEAVE:
+ *mask |= XCB_EVENT_MASK_LEAVE_WINDOW;
+ xcb_change_window_attributes(conn, xcb, XCB_CW_EVENT_MASK, mask);
+ break;
+
+ case EV_FOCUS:
+ case EV_UNFOCUS:
+ *mask |= XCB_EVENT_MASK_FOCUS_CHANGE;
+ xcb_change_window_attributes(conn, xcb, XCB_CW_EVENT_MASK, mask);
+ break;
+
+ case EV_MOUSE0...EV_MOUSE7:
+ btn = event_to_button(ev);
+ mods = mod_to_mask(mod);
+ *mask |= mod.up ? XCB_EVENT_MASK_BUTTON_RELEASE
+ : XCB_EVENT_MASK_BUTTON_PRESS;
+ xcb_grab_button(conn, 0, xcb, *mask,
+ XCB_GRAB_MODE_ASYNC,
+ XCB_GRAB_MODE_ASYNC,
+ 0, 0, btn, mods);
+ break;
+
+ default:
+ code = event_to_keycodes(ev);
+ mods = mod_to_mask(mod);
+ for (int i = 0; code && code[i] != XCB_NO_SYMBOL; i++)
+ xcb_grab_key(conn, 1, xcb, mods, code[i],
+ XCB_GRAB_MODE_ASYNC,
+ XCB_GRAB_MODE_ASYNC);
+
+ break;
+ }
}
void sys_unwatch(win_t *win, event_t ev, mod_t mod)
if (screens == NULL && do_xinerama_check()) {
/* Add Xinerama screens */
- xcb_xinerama_query_screens_reply_t *query;
- unsigned int ninfo;
- xcb_xinerama_screen_info_t *info;
-
- query = do_query_screens();
- ninfo = xcb_xinerama_query_screens_screen_info_length(query);
- info = xcb_xinerama_query_screens_screen_info(query);
-
+ xcb_xinerama_screen_info_t *info = NULL;
+ int ninfo = do_query_screens(&info);
for (int i = 0; i < ninfo; i++) {
win_t *screen = new0(win_t);
if (xcb_connection_has_error(conn))
error("xcb connection has errors");
+ /* Allocate key symbols */
+ if (!(keysyms = xcb_key_symbols_alloc(conn)))
+ error("cannot allocate key symbols");
+
/* Get root window */
const xcb_setup_t *setup = xcb_get_setup(conn);
xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);
root = iter.data->root;
/* Request substructure redirect */
- xcb_event_mask_t mask;
- xcb_void_cookie_t cookie;
+ xcb_void_cookie_t cookie;
xcb_generic_error_t *err;
- mask = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
+ events = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
cookie = xcb_change_window_attributes_checked(conn, root,
- XCB_CW_EVENT_MASK, &mask);
+ XCB_CW_EVENT_MASK, &events);
if ((err = xcb_request_check(conn, cookie)))
- error("Another window manager is already running");
+ error("another window manager is already running");
}
void sys_run(void)
/* Add each initial window */
if (!no_capture) {
- xcb_query_tree_reply_t *tree;
- unsigned int nkids;
- xcb_window_t *kids;
-
- tree = do_query_tree(root);
- nkids = xcb_query_tree_children_length(tree);
- kids = xcb_query_tree_children(tree);
-
+ xcb_window_t *kids = NULL;
+ int nkids = do_query_tree(root, &kids);
for(int i = 0; i < nkids; i++) {
- xcb_get_geometry_reply_t *geom;
- xcb_get_window_attributes_reply_t *attr;
-
- geom = do_get_geometry(kids[i]);
- attr = do_get_window_attributes(kids[i]);
-
- win_t *win = new0(win_t);
- win_sys_t *sys = new0(win_sys_t);
-
- win->x = geom->x;
- win->y = geom->y;
- win->w = geom->width;
- win->h = geom->height;
- win->sys = sys;
-
- sys->xcb = kids[i];
- sys->override = attr->override_redirect;
-
+ win_t *win = new0(win_t);
+ win->sys = new0(win_sys_t);
+ win->sys->xcb = kids[i];
+ do_get_geometry(kids[i], &win->x, &win->y, &win->w, &win->h);
+ do_get_window_attributes(kids[i],
+ &win->sys->override, &win->sys->mapped);
tsearch(win, &cache, win_cmp);
-
- if (!attr->override_redirect) {
+ if (!win->sys->override && win->sys->mapped)
wm_insert(win);
- sys->managed = 1;
- }
}
-
xcb_flush(conn);
}
projects / wmpus / blobdiff