diff options
| -rw-r--r-- | mcwm.c | 321 |
1 files changed, 181 insertions, 140 deletions
@@ -95,13 +95,11 @@ struct keys struct conf { bool borders; - bool map; - } conf; /* Functions declerations. */ - +void newwin(xcb_window_t win); void setupwin(xcb_window_t win); xcb_keycode_t keysymtokeycode(xcb_keysym_t keysym, xcb_key_symbols_t *keysyms); int setupkeys(void); @@ -123,14 +121,47 @@ void handle_keypress(xcb_drawable_t win, xcb_key_press_event_t *ev); /* Function bodies. */ +/* Set position, geometry and attributes of a new window. */ +void newwin(xcb_window_t win) +{ + xcb_query_pointer_reply_t *pointer; + int x; + int y; + + /* Get pointer position. */ + pointer = xcb_query_pointer_reply( + conn, xcb_query_pointer(conn, screen->root), 0); + + if (NULL == pointer) + { + x = 1; + y = 1; + } + else + { + x = pointer->root_x; + y = pointer->root_y; + } + + /* Move the window to cursor position. */ + movewindow(win, x, y); + + /* Set up stuff and raise the window. */ + setupwin(win); + raisewindow(win); + + /* Show window on screen. */ + xcb_map_window(conn, win); + + xcb_flush(conn); +} + /* set border colour, width and event mask for window. */ void setupwin(xcb_window_t win) { uint32_t mask = 0; uint32_t values[2]; - PDEBUG("Setting up window %d\n", win); - if (conf.borders) { /* Set border color. */ @@ -146,12 +177,6 @@ void setupwin(xcb_window_t win) mask = XCB_CW_EVENT_MASK; values[0] = XCB_EVENT_MASK_ENTER_WINDOW; xcb_change_window_attributes_checked(conn, win, mask, values); - - if (conf.map) - { - /* Show window on screen. */ - xcb_map_window(conn, win); - } /* FIXME: set properties. */ @@ -231,6 +256,8 @@ int setupscreen(void) setupwin(children[i]); } + xcb_flush(conn); + free(reply); return 0; @@ -715,7 +742,7 @@ void handle_keypress(xcb_drawable_t win, xcb_key_press_event_t *ev) { int i; key_enum_t key; - + for (key = KEY_MAX, i = KEY_H; i < KEY_MAX; i ++) { if (ev->detail == keys[i].keycode) @@ -794,136 +821,16 @@ void handle_keypress(xcb_drawable_t win, xcb_key_press_event_t *ev) } } /* handle_keypress() */ -int main(int argc, char **argv) + +void events(void) { - xcb_window_t root; xcb_generic_event_t *ev; - uint32_t mask = 0; - uint32_t values[2]; xcb_drawable_t win; xcb_get_geometry_reply_t *geom; int mode = 0; uint16_t mode_x; uint16_t mode_y; - char ch; /* Option character */ - - /* - int xcb_parse_display(const char *name, char **host, int *display, int *screen); - */ -/* - xcb_parse_display(dispname, &host, &disp, NULL) -*/ - - conf.borders = true; - conf.map = true; - - while (1) - { - ch = getopt(argc, argv, "bm"); - if (-1 == ch) - { - - /* No more options, break out of while loop. */ - break; - } - - switch (ch) - { - case 'b': - /* No borders. */ - conf.borders = false; - break; - - case 'm': - /* Don't map all windows when initializing. */ - conf.map = false; - break; - - } - } - - conn = xcb_connect(NULL, NULL); - if (xcb_connection_has_error(conn)) - { - perror("xcb_connect"); - exit(1); - } - - /* Get the first screen */ - screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data; - - /* screen->root is our root. */ - root = screen->root; - - /* Initial focus is root */ - /* FIXME: Ask the X server what window has focus. */ - focuswin = root; - - PDEBUG("Screen size: %dx%d\nRoot window: %d\n", screen->width_in_pixels, - screen->height_in_pixels, screen->root); - - /* FIXME: Get some colours. */ - - /* Loop over all clients and set up stuff. */ - if (0 != setupscreen()) - { - fprintf(stderr, "Failed to initialize windows. Exiting.\n"); - exit(1); - } - - /* Set up key bindings. */ - if (0 != setupkeys()) - { - fprintf(stderr, "mcwm: Couldn't set up keycodes. Exiting."); - exit(1); - } - - /* Grab some keys and mouse buttons. */ - - xcb_grab_key(conn, 1, root, MODKEY, XCB_NO_SYMBOL, - XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC); - - xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS - | XCB_EVENT_MASK_BUTTON_RELEASE, - XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, - 1 /* left mouse button */, - MOUSEMODKEY); - - xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS - | XCB_EVENT_MASK_BUTTON_RELEASE, - XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, - 2 /* middle mouse button */, - MOUSEMODKEY); - - xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS - | XCB_EVENT_MASK_BUTTON_RELEASE, - XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, - 3 /* right mouse button */, - MOUSEMODKEY); - -#if 0 - - /* - * If we really want to be a wm, ask for these events as well: - */ - mask = XCB_CW_EVENT_MASK; - values[0] = - XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT /* only one client can use this. */ - | XCB_EVENT_MASK_STRUCTURE_NOTIFY; /* don't know about this. New screens? */ - - xcb_void_cookie_t cookie; - cookie = xcb_change_window_attributes_checked(conn, root, mask, values); - -#endif - - mask = XCB_CW_EVENT_MASK; - values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY; - xcb_change_window_attributes_checked(conn, root, mask, values); - - xcb_flush(conn); - - /* Loop over events. */ for (;;) { ev = xcb_wait_for_event(conn); @@ -937,16 +844,28 @@ int main(int argc, char **argv) switch (ev->response_type & ~0x80) { + + /* If we're the only wm, we get these when a new window is created. */ + case XCB_MAP_REQUEST: + { + xcb_create_notify_event_t *e; + + PDEBUG("Map request\n"); + e = ( xcb_create_notify_event_t *) ev; + newwin(e->window); + } + break; + + /* If we're not the only window manager, we receive these instead. */ case XCB_CREATE_NOTIFY: { xcb_create_notify_event_t *e; - PDEBUG("A new window!\n"); + PDEBUG("Create notify event\n"); e = ( xcb_create_notify_event_t *) ev; setupwin(e->window); - } - break; - + } + case XCB_BUTTON_PRESS: { xcb_button_press_event_t *e; @@ -1012,12 +931,12 @@ int main(int argc, char **argv) xcb_grab_pointer(conn, 0, /* get all from mask below */ - root, /* grab here */ + screen->root, /* grab here */ XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, XCB_GRAB_MODE_ASYNC, /* get more pointer events */ XCB_GRAB_MODE_ASYNC, - root, /* stay here */ + screen->root, /* stay here */ XCB_NONE, /* no other cursor. */ XCB_CURRENT_TIME); xcb_flush(conn); @@ -1115,6 +1034,128 @@ int main(int argc, char **argv) free(ev); } +} + +int main(int argc, char **argv) +{ + uint32_t mask = 0; + uint32_t values[2]; + char ch; /* Option character */ + xcb_void_cookie_t cookie; + xcb_generic_error_t *error; + xcb_drawable_t root; + + conf.borders = true; + + while (1) + { + ch = getopt(argc, argv, "bm"); + if (-1 == ch) + { + + /* No more options, break out of while loop. */ + break; + } + + switch (ch) + { + case 'b': + /* No borders. */ + conf.borders = false; + break; + } + } + + conn = xcb_connect(NULL, NULL); + if (xcb_connection_has_error(conn)) + { + perror("xcb_connect"); + exit(1); + } + + /* Get the first screen */ + screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data; + + root = screen->root; + /* Initial focus is root */ + /* FIXME: Ask the X server what window has focus. */ + focuswin = screen->root; + + PDEBUG("Screen size: %dx%d\nRoot window: %d\n", screen->width_in_pixels, + screen->height_in_pixels, screen->root); + + /* FIXME: Get some colours. */ + + /* Loop over all clients and set up stuff. */ + if (0 != setupscreen()) + { + fprintf(stderr, "Failed to initialize windows. Exiting.\n"); + exit(1); + } + + /* Set up key bindings. */ + if (0 != setupkeys()) + { + fprintf(stderr, "mcwm: Couldn't set up keycodes. Exiting."); + exit(1); + } + + /* Grab some keys and mouse buttons. */ + + xcb_grab_key(conn, 1, root, MODKEY, XCB_NO_SYMBOL, + XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC); + + xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS + | XCB_EVENT_MASK_BUTTON_RELEASE, + XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, + 1 /* left mouse button */, + MOUSEMODKEY); + + xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS + | XCB_EVENT_MASK_BUTTON_RELEASE, + XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, + 2 /* middle mouse button */, + MOUSEMODKEY); + + xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS + | XCB_EVENT_MASK_BUTTON_RELEASE, + XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, + 3 /* right mouse button */, + MOUSEMODKEY); + + /* Subscribe to events. */ + mask = XCB_CW_EVENT_MASK; + values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; + + cookie = + xcb_change_window_attributes_checked(conn, root, mask, values); + error = xcb_request_check(conn, cookie); + if (NULL != error) + { + fprintf(stderr, "mcwm: Can't subscribe to SUBSTRUCTURE REDIRECT event. " + "Error code: %d\n" + "Another window manager running?\n" + "Falling back to co-running mode.\n", + error->error_code); + + values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY; + cookie = + xcb_change_window_attributes_checked(conn, root, mask, values); + error = xcb_request_check(conn, cookie); + if (NULL != error) + { + fprintf(stderr, "Co-running didn't work either. Error code: %d\n" + "Exiting\n", + error->error_code); + xcb_disconnect(conn); + exit(1); + } + } + + xcb_flush(conn); + + /* Loop over events. */ + events(); xcb_disconnect(conn); |