#define _GNU_SOURCE
#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"
#include "conf.h"
/* Internal structures */
struct win_sys {
+ xcb_window_t xcb; // xcb window id
+ xcb_event_mask_t events; // currently watch events
+ int managed; // window is managed by wm
};
+typedef enum {
+ CLR_FOCUS,
+ CLR_UNFOCUS,
+ CLR_URGENT,
+ NCOLORS
+} color_t;
+
/* Global data */
-static xcb_connection_t *conn;
-static list_t *screens;
+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 *
+ ************************/
+
+/* State names */
+static char *state_map[] = {
+ [ST_HIDE ] "hide ",
+ [ST_SHOW ] "show ",
+ [ST_FULL ] "full ",
+ [ST_MAX ] "max ",
+ [ST_SHADE] "shade",
+ [ST_ICON ] "icon ",
+ [ST_CLOSE] "close",
+};
+
+/* 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 },
+};
+
+/************************
+ * Conversion functions *
+ ************************/
+
+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 win_cmp(const void *_a, const void *_b)
+{
+ const win_t *a = _a;
+ const win_t *b = _b;
+ if (a->sys->xcb < b->sys->xcb) return -1;
+ if (a->sys->xcb > b->sys->xcb) return 1;
+ return 0;
+}
+
+static win_t *win_get(xcb_window_t xcb)
+{
+ win_sys_t sys = { .xcb = xcb };
+ win_t key = { .sys = &sys };
+
+ win_t **win = tfind(&key, &cache, win_cmp);
+
+ if (!win) {
+ warn("no window for %u", xcb);
+ return NULL;
+ }
+
+ return *win;
+}
+
+/****************
+ * XCB Wrappers *
+ ****************/
+
+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)
+ 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 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)
+ 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);
+ *x = reply->x;
+ *y = reply->y;
+ *w = reply->width;
+ *h = reply->height;
+ return 1;
+}
+
+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)
+ return warn("do_get_window_attributes: %d - no reply ", 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;
+}
+
+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 warn("do_xinerama_check: no ext");
+
+ xcb_xinerama_is_active_cookie_t cookie =
+ xcb_xinerama_is_active(conn);
+ if (!cookie.sequence)
+ return warn("do_xinerama_check: no cookie");
+
+ xcb_xinerama_is_active_reply_t *reply =
+ xcb_xinerama_is_active_reply(conn, cookie, NULL);
+ if (!reply)
+ warn("do_xinerama_check: no reply");
+
+ printf("do_xinerama_check: %d\n", reply->state);
+ return reply && reply->state;
+}
+
+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)
+ 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;
+}
+
+static int do_get_input_focus(void)
+{
+ xcb_get_input_focus_cookie_t cookie =
+ xcb_get_input_focus(conn);
+ if (!cookie.sequence)
+ return warn("do_get_input_focus: bad cookie");
+
+ xcb_get_input_focus_reply_t *reply =
+ xcb_get_input_focus_reply(conn, cookie, NULL);
+ if (!reply)
+ return warn("do_get_input_focus: no reply");
+
+ return reply->focus;
+}
+
+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);
+}
+
+static void do_configure_window(xcb_window_t win,
+ int x, int y, int w, int h,
+ int b, int s, int r)
+{
+ int table[][2] = {
+ { x, XCB_CONFIG_WINDOW_X },
+ { y, XCB_CONFIG_WINDOW_Y },
+ { w, XCB_CONFIG_WINDOW_WIDTH },
+ { h, XCB_CONFIG_WINDOW_HEIGHT },
+ { b, XCB_CONFIG_WINDOW_BORDER_WIDTH },
+ { s, XCB_CONFIG_WINDOW_SIBLING },
+ { r, XCB_CONFIG_WINDOW_STACK_MODE },
+ };
+
+ uint16_t mask = 0;
+ uint32_t list[7] = {};
+ for (int i = 0; i < 7; i++) {
+ if (table[i][0] >= 0) {
+ list[i] = table[i][0];
+ mask |= table[i][1];
+ }
+ }
+
+ xcb_configure_window(conn, win, mask, list);
+}
+
+/**************************
+ * 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 void send_manage(win_t *win, int managed)
+{
+ if (win->sys->managed == managed)
+ return;
+ if (managed)
+ wm_insert(win);
+ else
+ wm_remove(win);
+ win->sys->managed = managed;
+}
+
+/* Send window state info */
+static void send_state(win_t *win, state_t next)
+{
+ if (!win->sys->managed)
+ return;
+ if (win->state == next)
+ return;
+ state_t prev = win->state;
+ win->state = next;
+ wm_handle_state(win, prev, next);
+}
+
+/**********************
+ * 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);
+ xcb_window_t focus = do_get_input_focus();
+ event_t ev = keycode_to_event(event->detail);
+ send_event_info(ev, event->state, up, &event->root_x,
+ event->root, focus, 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=%-8u -> win=%p\n",
+ event->window, win);
+
+ win->x = event->x;
+ win->y = event->y;
+ win->w = event->width;
+ win->h = event->height;
+ win->sys = sys;
+
+ sys->xcb = event->window;
+
+ if (!event->override_redirect)
+ send_manage(win, 1);
+
+ tsearch(win, &cache, win_cmp);
+}
+
+static void on_destroy_notify(xcb_destroy_notify_event_t *event)
+{
+ win_t *win = win_get(event->window);
+ printf("on_destroy_notify: xcb=%-8u -> win=%p\n",
+ event->window, win);
+ if (!win) return;
+
+ send_manage(win, 0);
+
+ tdelete(win, &cache, win_cmp);
+
+ free(win->sys);
+ free(win);
+}
+
+static void on_map_request(xcb_map_request_event_t *event)
+{
+ win_t *win = win_get(event->window);
+ printf("on_map_request: xcb=%-8u -> win=%p\n",
+ event->window, win);
+ if (!win) return;
+
+ send_state(win, ST_SHOW);
+ xcb_map_window(conn, win->sys->xcb);
+ sys_move(win, win->x, win->y, win->w, win->h);
+}
+
+static void on_configure_request(xcb_configure_request_event_t *event)
+{
+ win_t *win = win_get(event->window);
+ printf("on_configure_request: xcb=%-8u -> win=%p -- %dx%d @ %d,%d\n",
+ event->window, win,
+ event->width, event->height,
+ event->x, event->y);
+ if (!win) return;
+
+ win->x = event->x;
+ win->y = event->y;
+ win->w = event->width;
+ win->h = event->height;
+
+ xcb_configure_notify_event_t resp = {
+ .response_type = XCB_CONFIGURE_NOTIFY,
+ .event = win->sys->xcb,
+ .window = win->sys->xcb,
+ .x = win->x,
+ .y = win->y,
+ .width = win->w,
+ .height = win->h,
+ .border_width = border,
+ };
+
+ xcb_send_event(conn, 0, win->sys->xcb,
+ XCB_EVENT_MASK_STRUCTURE_NOTIFY,
+ (const char *)&resp);
+}
+
+/* Generic Event */
+static void on_event(xcb_generic_event_t *event)
+{
+ int type = XCB_EVENT_RESPONSE_TYPE(event);
+
+ 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;
+ case XCB_DESTROY_NOTIFY:
+ on_destroy_notify((xcb_destroy_notify_event_t *)event);
+ break;
+ case XCB_MAP_REQUEST:
+ on_map_request((xcb_map_request_event_t *)event);
+ break;
+ case XCB_CONFIGURE_REQUEST:
+ on_configure_request((xcb_configure_request_event_t *)event);
+ break;
+
+ /* Unknown events */
+ default:
+ printf("on_event: %d:%02X -> %s\n",
+ XCB_EVENT_SENT(event) != 0,
+ XCB_EVENT_RESPONSE_TYPE(event),
+ xcb_event_get_label(type) ?: "unknown_event");
+ break;
+ }
+}
/********************
* System functions *
********************/
+
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 = MAX(w,1+b);
+ win->h = MAX(h,1+b);
+ w = MAX(w-b,1);
+ h = MAX(h-b,1);
+
+ do_configure_window(win->sys->xcb, x, y, w, h, -1, -1, -1);
}
void sys_raise(win_t *win)
{
printf("sys_raise: %p\n", win);
+
+ uint16_t mask = XCB_CONFIG_WINDOW_STACK_MODE;
+ uint32_t list = XCB_STACK_MODE_ABOVE;
+
+ xcb_configure_window(conn, win->sys->xcb, mask, &list);
}
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 - %s -> %s\n", win,
+ state_map[win->state], state_map[state]);
+ xcb_window_t xcb = win ? win->sys->xcb : root;
+
+ /* Find screen */
+ win_t *screen = NULL;
+ if (state == ST_FULL || state == ST_MAX) {
+ for (list_t *cur = screens; cur; cur = cur->next) {
+ screen = cur->data;
+ if (win->x >= screen->x && win->x <= screen->x+screen->w &&
+ win->y >= screen->y && win->y <= screen->y+screen->h)
+ break;
+ }
+ }
+
+ /* Change window state */
+ switch (state) {
+ case ST_HIDE:
+ xcb_unmap_window(conn, xcb);
+ break;
+
+ case ST_SHOW:
+ xcb_map_window(conn, xcb);
+ do_configure_window(xcb, win->x, win->y,
+ MAX(win->w - 2*border, 1),
+ MAX(win->h - 2*border, 1),
+ border, -1, -1);
+ break;
+
+ case ST_FULL:
+ xcb_map_window(conn, xcb);
+ do_configure_window(xcb, screen->x, screen->y, screen->w, screen->h,
+ 0, -1, XCB_STACK_MODE_ABOVE);
+ xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, xcb);
+ break;
+
+ case ST_MAX:
+ xcb_map_window(conn, xcb);
+ do_configure_window(xcb, screen->x, screen->y,
+ MAX(screen->w - 2*border, 1),
+ MAX(screen->h - 2*border, 1),
+ border, -1, XCB_STACK_MODE_ABOVE);
+ break;
+
+ case ST_SHADE:
+ xcb_map_window(conn, xcb);
+ do_configure_window(xcb, -1, -1, -1, stack,
+ border, -1, -1);
+ break;
+
+ case ST_ICON:
+ xcb_map_window(conn, xcb);
+ do_configure_window(xcb, -1, -1, 100, 100,
+ border, -1, -1);
+ break;
+
+ case ST_CLOSE:
+ xcb_kill_client(conn, xcb);
+ break;
+ }
+
+ /* Update state */
+ win->state = 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)
list_t *sys_info(void)
{
printf("sys_info\n");
+
+ if (screens == NULL && do_xinerama_check()) {
+ /* Add Xinerama screens */
+ 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);
+
+ screen->x = info[i].x_org;
+ screen->y = info[i].y_org;
+ screen->w = info[i].width;
+ screen->h = info[i].height;
+
+ screens = list_insert(NULL, screen);
+
+ printf("sys_info: xinerama screen - %dx%d @ %d,%d\n",
+ screen->w, screen->h,
+ screen->x, screen->y);
+ }
+ }
+
if (screens == NULL) {
+ /* No xinerama support */
+ const xcb_setup_t *setup = xcb_get_setup(conn);
+ xcb_screen_t *geom = xcb_setup_roots_iterator(setup).data;
+
win_t *screen = new0(win_t);
+
+ screen->w = geom->width_in_pixels;
+ screen->h = geom->height_in_pixels;
+
screens = list_insert(NULL, screen);
+
+ printf("sys_info: root screen - %dx%d\n",
+ screen->w, screen->h);
}
+
return screens;
}
error("xcb connect failed");
if (xcb_connection_has_error(conn))
error("xcb connection has errors");
+
+ /* 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;
+ colormap = iter.data->default_colormap;
+
+ /* Setup for for ST_CLOSE */
+ xcb_set_close_down_mode(conn, XCB_CLOSE_DOWN_DESTROY_ALL);
+
+ /* 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_void_cookie_t cookie;
+ xcb_generic_error_t *err;
+ events = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
+ XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
+ cookie = xcb_change_window_attributes_checked(conn, root,
+ XCB_CW_EVENT_MASK, &events);
+ if ((err = xcb_request_check(conn, cookie)))
+ error("another window manager is already running");
}
void sys_run(void)
{
printf("sys_run\n");
+
+ /* Add each initial window */
+ if (!no_capture) {
+ xcb_window_t *kids = NULL;
+ int nkids = do_query_tree(root, &kids);
+ for(int i = 0; i < nkids; i++) {
+ int override=0, mapped=0;
+ win_t *win = new0(win_t);
+ win->sys = new0(win_sys_t);
+ win->sys->xcb = kids[i];
+ tsearch(win, &cache, win_cmp);
+ do_get_geometry(kids[i], &win->x, &win->y, &win->w, &win->h);
+ do_get_window_attributes(kids[i], &override, &mapped);
+ if (!override)
+ send_manage(win, 1);
+ if (mapped)
+ send_state(win, ST_SHOW);
+ }
+ xcb_flush(conn);
+ }
+
+ /* Main loop */
+ while (1)
+ {
+ int status;
+ xcb_generic_event_t *event;
+ if (!(event = xcb_wait_for_event(conn)))
+ break;
+ on_event(event);
+ free(event);
+ if (!(status = xcb_flush(conn)))
+ break;
+ }
}
void sys_exit(void)
{
printf("sys_exit\n");
+ if (conn)
+ xcb_disconnect(conn);
+ conn = NULL;
}
void sys_free(void)
{
printf("sys_free\n");
+ if (conn)
+ xcb_disconnect(conn);
+ conn = NULL;
}
projects / wmpus / blobdiff