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xwm: set appropriate cursors for the frame window

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Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
This commit is contained in:
Tiago Vignatti 2012-07-16 12:09:19 -04:00 committed by Kristian Høgsberg
parent 90fada4338
commit 236b48d414
2 changed files with 164 additions and 0 deletions
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162
src/xwayland/window-manager.c
View File

@ -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);

2
src/xwayland/xwayland.h
View File

@ -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;