From 236b48d41494f16a32877efc937254684be6ca27 Mon Sep 17 00:00:00 2001 From: Tiago Vignatti Date: Mon, 16 Jul 2012 12:09:19 -0400 Subject: [PATCH] xwm: set appropriate cursors for the frame window Signed-off-by: Tiago Vignatti --- src/xwayland/window-manager.c | 162 ++++++++++++++++++++++++++++++++++++++++++ src/xwayland/xwayland.h | 2 + 2 files changed, 164 insertions(+) diff --git a/src/xwayland/window-manager.c b/src/xwayland/window-manager.c index 97b2b06..e73e588 100644 --- a/src/xwayland/window-manager.c +++ b/src/xwayland/window-manager.c @@ -568,6 +568,9 @@ weston_wm_handle_map_request(struct weston_wm *wm, xcb_generic_event_t *event) XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | + XCB_EVENT_MASK_POINTER_MOTION | + XCB_EVENT_MASK_ENTER_WINDOW | + XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; @@ -923,6 +926,104 @@ weston_wm_handle_client_message(struct weston_wm *wm, weston_wm_window_handle_moveresize(window, client_message); } +enum cursor_type { + XWM_CURSOR_TOP, + XWM_CURSOR_BOTTOM, + XWM_CURSOR_LEFT, + XWM_CURSOR_RIGHT, + XWM_CURSOR_TOP_LEFT, + XWM_CURSOR_TOP_RIGHT, + XWM_CURSOR_BOTTOM_LEFT, + XWM_CURSOR_BOTTOM_RIGHT, + XWM_CURSOR_LEFT_PTR, +}; + +static const char *cursors[] = { + "top_side", + "bottom_side", + "left_side", + "right_side", + "top_left_corner", + "top_right_corner", + "bottom_left_corner", + "bottom_right_corner", + "left_ptr" +}; + +static void +weston_wm_create_cursors(struct weston_wm *wm) +{ + int i, count = ARRAY_LENGTH(cursors); + + wm->cursors = malloc(count * sizeof(xcb_cursor_t)); + for (i = 0; i < count; i++) { + wm->cursors[i] = + xcb_cursor_library_load_cursor(wm, cursors[i]); + } + + wm->last_cursor = -1; +} + +static void +weston_wm_destroy_cursors(struct weston_wm *wm) +{ + uint8_t i; + + for (i = 0; i < ARRAY_LENGTH(cursors); i++) + xcb_free_cursor(wm->conn, wm->cursors[i]); + + free(wm->cursors); +} + +static int +get_cursor_for_location(struct theme *t, int width, int height, int x, int y) +{ + int location = theme_get_location(t, x, y, width, height); + + switch (location) { + case THEME_LOCATION_RESIZING_TOP: + return XWM_CURSOR_TOP; + case THEME_LOCATION_RESIZING_BOTTOM: + return XWM_CURSOR_BOTTOM; + case THEME_LOCATION_RESIZING_LEFT: + return XWM_CURSOR_LEFT; + case THEME_LOCATION_RESIZING_RIGHT: + return XWM_CURSOR_RIGHT; + case THEME_LOCATION_RESIZING_TOP_LEFT: + return XWM_CURSOR_TOP_LEFT; + case THEME_LOCATION_RESIZING_TOP_RIGHT: + return XWM_CURSOR_TOP_RIGHT; + case THEME_LOCATION_RESIZING_BOTTOM_LEFT: + return XWM_CURSOR_BOTTOM_LEFT; + case THEME_LOCATION_RESIZING_BOTTOM_RIGHT: + return XWM_CURSOR_BOTTOM_RIGHT; + case THEME_LOCATION_EXTERIOR: + case THEME_LOCATION_TITLEBAR: + default: + return XWM_CURSOR_LEFT_PTR; + } +} + +static void +weston_wm_frame_set_cursor(struct weston_wm *wm, + struct weston_wm_window *window, int cursor) +{ + uint32_t cursor_value_list; + + if (!window->frame_id) + return; + + if (wm->last_cursor == cursor) + return; + + wm->last_cursor = cursor; + + cursor_value_list = wm->cursors[cursor]; + xcb_change_window_attributes (wm->conn, window->frame_id, + XCB_CW_CURSOR, &cursor_value_list); + xcb_flush(wm->conn); +} + static void weston_wm_handle_button(struct weston_wm *wm, xcb_generic_event_t *event) { @@ -971,6 +1072,55 @@ weston_wm_handle_button(struct weston_wm *wm, xcb_generic_event_t *event) } } +static void +weston_wm_handle_motion(struct weston_wm *wm, xcb_generic_event_t *event) +{ + xcb_motion_notify_event_t *motion = (xcb_motion_notify_event_t *) event; + struct weston_wm_window *window; + int cursor, width, height; + + window = hash_table_lookup(wm->window_hash, motion->event); + if (!window) + return; + + weston_wm_window_get_frame_size(window, &width, &height); + cursor = get_cursor_for_location(wm->theme, width, height, + motion->event_x, motion->event_y); + + weston_wm_frame_set_cursor(wm, window, cursor); +} + +static void +weston_wm_handle_enter(struct weston_wm *wm, xcb_generic_event_t *event) +{ + xcb_enter_notify_event_t *enter = (xcb_enter_notify_event_t *) event; + struct weston_wm_window *window; + int cursor, width, height; + + window = hash_table_lookup(wm->window_hash, enter->event); + if (!window) + return; + + weston_wm_window_get_frame_size(window, &width, &height); + cursor = get_cursor_for_location(wm->theme, width, height, + enter->event_x, enter->event_y); + + weston_wm_frame_set_cursor(wm, window, cursor); +} + +static void +weston_wm_handle_leave(struct weston_wm *wm, xcb_generic_event_t *event) +{ + xcb_leave_notify_event_t *leave = (xcb_leave_notify_event_t *) event; + struct weston_wm_window *window; + + window = hash_table_lookup(wm->window_hash, leave->event); + if (!window) + return; + + weston_wm_frame_set_cursor(wm, window, XWM_CURSOR_LEFT_PTR); +} + static int weston_wm_handle_event(int fd, uint32_t mask, void *data) { @@ -990,6 +1140,15 @@ weston_wm_handle_event(int fd, uint32_t mask, void *data) case XCB_BUTTON_RELEASE: weston_wm_handle_button(wm, event); break; + case XCB_ENTER_NOTIFY: + weston_wm_handle_enter(wm, event); + break; + case XCB_LEAVE_NOTIFY: + weston_wm_handle_leave(wm, event); + break; + case XCB_MOTION_NOTIFY: + weston_wm_handle_motion(wm, event); + break; case XCB_CREATE_NOTIFY: weston_wm_handle_create_notify(wm, event); break; @@ -1284,6 +1443,8 @@ weston_wm_create(struct weston_xserver *wxs) wl_signal_add(&wxs->compositor->activate_signal, &wm->activate_listener); + weston_wm_create_cursors(wm); + weston_log("created wm\n"); return wm; @@ -1294,6 +1455,7 @@ weston_wm_destroy(struct weston_wm *wm) { /* FIXME: Free windows in hash. */ hash_table_destroy(wm->window_hash); + weston_wm_destroy_cursors(wm); xcb_disconnect(wm->conn); wl_event_source_remove(wm->source); wl_list_remove(&wm->selection_listener.link); diff --git a/src/xwayland/xwayland.h b/src/xwayland/xwayland.h index fb68671..7e1ea45 100644 --- a/src/xwayland/xwayland.h +++ b/src/xwayland/xwayland.h @@ -58,6 +58,8 @@ struct weston_wm { xcb_window_t wm_window; struct weston_wm_window *focus_window; struct theme *theme; + xcb_cursor_t *cursors; + int last_cursor; xcb_render_pictforminfo_t format_rgb, format_rgba; struct wl_listener activate_listener; -- 2.7.4