#include <stdio.h>
#include <stdlib.h>
#include <search.h>
+#include <string.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
};
+typedef enum {
+ CLR_FOCUS,
+ CLR_UNFOCUS,
+ CLR_URGENT,
+ NCOLORS
+} color_t;
+
/* 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_colormap_t colormap;
+static xcb_window_t root;
+static xcb_event_mask_t events;
+static list_t *screens;
+static void *cache;
+static xcb_pixmap_t colors[NCOLORS];
+static unsigned int grabbed;
+
+/************************
+ * 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 = {};
+ if (list) {
+ 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 *
********************/
}
static int do_get_window_attributes(xcb_window_t win,
- int *override)
+ int *override, int *mapped)
{
xcb_get_window_attributes_cookie_t cookie =
xcb_get_window_attributes(conn, win);
printf("do_get_window_attributes: %d - %d\n",
win, reply->override_redirect);
*override = reply->override_redirect;
+ *mapped = reply->map_state != XCB_MAP_STATE_UNMAPPED;
return 1;
}
return ninfo;
}
+static xcb_pixmap_t do_alloc_color(uint32_t rgb)
+{
+ uint16_t r = (rgb & 0xFF0000) >> 8;
+ uint16_t g = (rgb & 0x00FF00);
+ uint16_t b = (rgb & 0x0000FF) << 8;
+ xcb_alloc_color_cookie_t cookie =
+ xcb_alloc_color(conn, colormap, r, g, b);
+ if (!cookie.sequence)
+ return warn("do_alloc_color: bad cookie");
+
+ xcb_alloc_color_reply_t *reply =
+ xcb_alloc_color_reply(conn, cookie, NULL);
+ if (!reply)
+ return warn("do_alloc_color: no reply");
+
+ printf("do_alloc_color: %06x -> %06x\n", rgb, reply->pixel);
+ return reply->pixel;
+}
+
+static void do_grab_pointer(xcb_event_mask_t mask)
+{
+ if (!grabbed)
+ xcb_grab_pointer(conn, 0, root, mask,
+ XCB_GRAB_MODE_ASYNC,
+ XCB_GRAB_MODE_ASYNC,
+ 0, 0, XCB_CURRENT_TIME);
+ grabbed++;
+}
+
+static void do_ungrab_pointer(void)
+{
+ grabbed--;
+ if (!grabbed)
+ xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
+}
+
+/**************************
+ * Window Manager Helpers *
+ **************************/
+
+/* Send event info */
+static int send_event(event_t ev, xcb_window_t ewin)
+{
+ win_t *win = win_get(ewin);
+ do_grab_pointer(0);
+ int status = wm_handle_event(win, ev, MOD(), PTR());
+ do_ungrab_pointer();
+ return status;
+}
+
+/* Send event info */
+static int send_event_info(event_t ev, xcb_mod_mask_t mask, int up, int16_t *pos,
+ xcb_window_t rwin, xcb_window_t ewin, xcb_window_t cwin)
+{
+ xcb_window_t xcb = ewin == rwin ? cwin : ewin;
+ win_t *win = win_get(xcb);
+ mod_t mod = mask_to_mod(mask, up);
+ ptr_t ptr = list_to_ptr(pos);
+ do_grab_pointer(0);
+ int status = wm_handle_event(win, ev, mod, ptr);
+ do_ungrab_pointer();
+ return status;
+}
+
+/* Send pointer motion info */
+static int send_pointer(int16_t *pos,
+ xcb_window_t rwin, xcb_window_t ewin, xcb_window_t cwin)
+{
+ xcb_window_t xcb = ewin == rwin ? cwin : ewin;
+ win_t *win = win_get(xcb);
+ ptr_t ptr = list_to_ptr(pos);
+ do_grab_pointer(0);
+ int status = wm_handle_ptr(win, ptr);
+ do_ungrab_pointer();
+ return status;
+}
+
+/* Send window state info */
+static int send_state(void)
+{
+ return 0;
+}
+
+
/**********************
* X11 Event Handlers *
**********************/
/* Specific events */
+static void on_key_event(xcb_key_press_event_t *event, int up)
+{
+ printf("on_key_event: xcb=%-8u\n", event->event);
+ event_t ev = keycode_to_event(event->detail);
+ send_event_info(ev, event->state, up, &event->root_x,
+ event->root, event->event, event->child);
+}
+
+static void on_button_event(xcb_button_press_event_t *event, int up)
+{
+ printf("on_button_event: xcb=%-8u\n", event->event);
+ event_t ev = button_to_event(event->detail);
+ if (!send_event_info(ev, event->state, up, &event->root_x,
+ event->root, event->event, event->child))
+ xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
+ else if (!up)
+ do_grab_pointer(XCB_EVENT_MASK_POINTER_MOTION |
+ XCB_EVENT_MASK_BUTTON_RELEASE);
+ else
+ do_ungrab_pointer();
+
+}
+
+static void on_motion_notify(xcb_motion_notify_event_t *event)
+{
+ printf("on_motion_notify: xcb=%-8u - %d,%d / %d.%d\n", event->event,
+ event->event_x, event->event_y,
+ event->root_x, event->root_y);
+ send_pointer(&event->root_x, event->root, event->event, event->child);
+}
+
+static void on_enter_notify(xcb_enter_notify_event_t *event)
+{
+ if (event->mode != XCB_NOTIFY_MODE_NORMAL)
+ return;
+ printf("on_enter_notify: xcb=%-8u\n", event->event);
+ send_event_info(EV_ENTER, event->state, 0, &event->root_x,
+ event->root, event->event, event->child);
+}
+
+static void on_leave_notify(xcb_leave_notify_event_t *event)
+{
+ if (event->mode != XCB_NOTIFY_MODE_NORMAL)
+ return;
+ printf("on_leave_notify: xcb=%-8u\n", event->event);
+ send_event_info(EV_LEAVE, event->state, 0, &event->root_x,
+ event->root, event->event, event->child);
+}
+
+static void on_focus_in(xcb_focus_in_event_t *event)
+{
+ if (event->mode != XCB_NOTIFY_MODE_NORMAL &&
+ event->mode != XCB_NOTIFY_MODE_WHILE_GRABBED)
+ return;
+ printf("on_focus_in: xcb=%-8u mode=%d\n", event->event, event->mode);
+ xcb_change_window_attributes(conn, event->event,
+ XCB_CW_BORDER_PIXEL, &colors[CLR_FOCUS]);
+ if (event->mode == XCB_NOTIFY_MODE_NORMAL)
+ send_event(EV_FOCUS, event->event);
+}
+
+static void on_focus_out(xcb_focus_out_event_t *event)
+{
+ if (event->mode != XCB_NOTIFY_MODE_NORMAL &&
+ event->mode != XCB_NOTIFY_MODE_WHILE_GRABBED)
+ return;
+ printf("on_focus_out: xcb=%-8u mode=%d\n", event->event, event->mode);
+ xcb_change_window_attributes(conn, event->event,
+ XCB_CW_BORDER_PIXEL, &colors[CLR_UNFOCUS]);
+ if (event->mode == XCB_NOTIFY_MODE_NORMAL)
+ send_event(EV_UNFOCUS, event->event);
+}
+
static void on_create_notify(xcb_create_notify_event_t *event)
{
win_t *win = new0(win_t);
win_sys_t *sys = new0(win_sys_t);
- printf("on_create_notify: xcb=%u -> win=%p\n",
+ printf("on_create_notify: xcb=%-8u -> win=%p\n",
event->window, win);
win->x = event->x;
static void on_destroy_notify(win_t *win, xcb_destroy_notify_event_t *event)
{
- printf("on_destroy_notify: xcb=%u -> win=%p\n",
+ printf("on_destroy_notify: xcb=%-8u -> win=%p\n",
event->window, win);
tdelete(win, &cache, win_cmp);
static void on_map_request(win_t *win, xcb_map_request_event_t *event)
{
- printf("on_map_request: xcb=%u -> win=%p\n",
+ printf("on_map_request: xcb=%-8u -> 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);
static void on_configure_request(win_t *win, xcb_configure_request_event_t *event)
{
- printf("on_configure_request: xcb=%u -> win=%p -- %dx%d @ %d,%d\n",
+ printf("on_configure_request: xcb=%-8u -> win=%p -- %dx%d @ %d,%d\n",
event->window, win,
event->width, event->height,
event->x, event->y);
/* 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;
+ case XCB_ENTER_NOTIFY:
+ on_enter_notify((xcb_enter_notify_event_t *)event);
+ break;
+ case XCB_LEAVE_NOTIFY:
+ on_leave_notify((xcb_leave_notify_event_t *)event);
+ break;
+ case XCB_FOCUS_IN:
+ on_focus_in((xcb_focus_in_event_t *)event);
+ break;
+ case XCB_FOCUS_OUT:
+ on_focus_out((xcb_focus_out_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);
+ int b = 2*border;
+
win->x = x;
win->y = y;
- win->w = w;
- win->h = h;
+ win->w = MAX(w,1+b);
+ win->h = MAX(h,1+b);
+ w = MAX(w-b,1);
+ h = MAX(h-b,1);
uint16_t mask = XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
- | XCB_CONFIG_WINDOW_HEIGHT;
- uint32_t list[] = {x, y, w, h};
+ | XCB_CONFIG_WINDOW_HEIGHT
+ | XCB_CONFIG_WINDOW_BORDER_WIDTH;
+ uint32_t list[] = {x, y, w, h, border};
xcb_configure_window(conn, win->sys->xcb, mask, list);
}
void sys_raise(win_t *win)
{
printf("sys_raise: %p\n", win);
+ xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, win->sys->xcb);
}
void sys_focus(win_t *win)
{
printf("sys_focus: %p\n", win);
+ xcb_window_t xcb = win ? win->sys->xcb : root;
+
+ xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
+ xcb, XCB_CURRENT_TIME);
}
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)
/* 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;
+ root = iter.data->root;
+ colormap = iter.data->default_colormap;
+
+ /* Allocate key symbols */
+ if (!(keysyms = xcb_key_symbols_alloc(conn)))
+ error("cannot allocate key symbols");
+
+ /* Read color information */
+ colors[CLR_FOCUS] = do_alloc_color(0xFF6060);
+ colors[CLR_UNFOCUS] = do_alloc_color(0xD8D8FF);
+ colors[CLR_URGENT] = do_alloc_color(0xFF0000);
/* 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)
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);
+ do_get_window_attributes(kids[i],
+ &win->sys->override, &win->sys->mapped);
tsearch(win, &cache, win_cmp);
- if (!win->sys->override) {
+ if (!win->sys->override && win->sys->mapped)
wm_insert(win);
- win->sys->managed = 1;
- }
}
xcb_flush(conn);
}
projects / wmpus / blobdiff