mainnika
/
weston
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

shell: Show approprite cursors during move and resize grabs

Browse Source 
This patch expands the busy cursor mechanism so that it is possible for
the desktop-shell client to show the appropriate cursor during grabs.
Ander Conselvan de Oliveira 13 years ago committed by Kristian Høgsberg
parent 1fbda0e81d
commit b9d2a0fc0a
3 changed files with 138 additions and 59 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 81
      clients/desktop-shell.c
  2. 37
      protocol/desktop-shell.xml
  3. 79
      src/shell.c

81
clients/desktop-shell.c
Unescape View File

@ -50,8 +50,10 @@ struct desktop {
struct task unlock_task;
struct wl_list outputs;
struct window *busy_window;
struct widget *busy_widget;
struct window *grab_window;
struct widget *grab_widget;
enum desktop_shell_cursor grab_cursor;
};
struct surface {
@ -742,9 +744,54 @@ desktop_shell_prepare_lock_surface(void *data,
}
}
static void
desktop_shell_grab_cursor(void *data,
struct desktop_shell *desktop_shell,
uint32_t cursor)
{
struct desktop *desktop = data;
switch (cursor) {
case DESKTOP_SHELL_CURSOR_BUSY:
desktop->grab_cursor = CURSOR_WATCH;
break;
case DESKTOP_SHELL_CURSOR_MOVE:
desktop->grab_cursor = CURSOR_DRAGGING;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_TOP:
desktop->grab_cursor = CURSOR_TOP;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM:
desktop->grab_cursor = CURSOR_BOTTOM;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_LEFT:
desktop->grab_cursor = CURSOR_LEFT;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_RIGHT:
desktop->grab_cursor = CURSOR_RIGHT;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_TOP_LEFT:
desktop->grab_cursor = CURSOR_TOP_LEFT;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_TOP_RIGHT:
desktop->grab_cursor = CURSOR_TOP_RIGHT;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM_LEFT:
desktop->grab_cursor = CURSOR_BOTTOM_LEFT;
break;
case DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM_RIGHT:
desktop->grab_cursor = CURSOR_BOTTOM_RIGHT;
break;
case DESKTOP_SHELL_CURSOR_ARROW:
default:
desktop->grab_cursor = CURSOR_LEFT_PTR;
}
}
static const struct desktop_shell_listener listener = {
desktop_shell_configure,
desktop_shell_prepare_lock_surface
desktop_shell_prepare_lock_surface,
desktop_shell_grab_cursor
};
static struct background *
@ -765,29 +812,33 @@ background_create(struct desktop *desktop)
}
static int
busy_surface_enter_handler(struct widget *widget, struct input *input,
grab_surface_enter_handler(struct widget *widget, struct input *input,
float x, float y, void *data)
{
return CURSOR_WATCH;
struct desktop *desktop = data;
return desktop->grab_cursor;
}
static void
busy_surface_create(struct desktop *desktop)
grab_surface_create(struct desktop *desktop)
{
struct wl_surface *s;
desktop->busy_window = window_create(desktop->display);
s = window_get_wl_surface(desktop->busy_window);
desktop_shell_set_busy_surface(desktop->shell, s);
desktop->grab_window = window_create(desktop->display);
window_set_user_data(desktop->grab_window, desktop);
s = window_get_wl_surface(desktop->grab_window);
desktop_shell_set_grab_surface(desktop->shell, s);
desktop->busy_widget =
window_add_widget(desktop->busy_window, desktop);
desktop->grab_widget =
window_add_widget(desktop->grab_window, desktop);
/* We set the allocation to 1x1 at 0,0 so the fake enter event
* at 0,0 will go to this widget. */
widget_set_allocation(desktop->busy_widget, 0, 0, 1, 1);
widget_set_allocation(desktop->grab_widget, 0, 0, 1, 1);
widget_set_enter_handler(desktop->busy_widget,
busy_surface_enter_handler);
widget_set_enter_handler(desktop->grab_widget,
grab_surface_enter_handler);
}
static void
@ -887,7 +938,7 @@ int main(int argc, char *argv[])
output->output, surface);
}
busy_surface_create(&desktop);
grab_surface_create(&desktop);
config_file = config_file_path("weston.ini");
ret = parse_config_file(config_file,

37
protocol/desktop-shell.xml
Unescape View File

@ -23,7 +23,13 @@
<request name="unlock"/>
<request name="set_busy_surface">
<request name="set_grab_surface">
<description summary="set grab surface">
The surface set by this request will receive a fake
pointer.enter event during grabs at position 0, 0 and is
expected to set an appropriate cursor image as described by
the grab_cursor event sent just before the enter event.
</description>
<arg name="surface" type="object" interface="wl_surface"/>
</request>
@ -45,6 +51,35 @@
desktop resume.
</description>
</event>
<event name="grab_cursor">
<description summary="tell client what cursor to show during a grab">
This event will be sent immediately before a fake enter event on the
grab surface.
</description>
<arg name="cursor" type="uint"/>
</event>
<enum name="cursor">
<entry name="none" value="0"/>
<entry name="resize_top" value="1"/>
<entry name="resize_bottom" value="2"/>
<entry name="arrow" value="3"/>
<entry name="resize_left" value="4"/>
<entry name="resize_top_left" value="5"/>
<entry name="resize_bottom_left" value="6"/>
<entry name="move" value="7"/>
<entry name="resize_right" value="8"/>
<entry name="resize_top_right" value="9"/>
<entry name="resize_bottom_right" value="10"/>
<entry name="busy" value="11"/>
</enum>
</interface>
<interface name="screensaver" version="1">

79
src/shell.c
Unescape View File

@ -78,7 +78,7 @@ struct desktop_shell {
struct weston_layer lock_layer;
struct wl_listener pointer_focus_listener;
struct weston_surface *busy_surface;
struct weston_surface *grab_surface;
struct {
struct weston_process process;
@ -198,6 +198,7 @@ struct shell_grab {
struct wl_pointer_grab grab;
struct shell_surface *shsurf;
struct wl_listener shsurf_destroy_listener;
struct wl_pointer *pointer;
};
struct weston_move_grab {
@ -249,23 +250,36 @@ destroy_shell_grab_shsurf(struct wl_listener *listener, void *data)
}
static void
shell_grab_init(struct shell_grab *grab,
const struct wl_pointer_grab_interface *interface,
struct shell_surface *shsurf)
shell_grab_start(struct shell_grab *grab,
const struct wl_pointer_grab_interface *interface,
struct shell_surface *shsurf,
struct wl_pointer *pointer,
enum desktop_shell_cursor cursor)
{
struct desktop_shell *shell = shsurf->shell;
grab->grab.interface = interface;
grab->shsurf = shsurf;
grab->shsurf_destroy_listener.notify = destroy_shell_grab_shsurf;
wl_signal_add(&shsurf->resource.destroy_signal,
&grab->shsurf_destroy_listener);
grab->pointer = pointer;
grab->grab.focus = &shsurf->surface->surface;
wl_pointer_start_grab(pointer, &grab->grab);
desktop_shell_send_grab_cursor(shell->child.desktop_shell, cursor);
wl_pointer_set_focus(pointer, &shell->grab_surface->surface,
wl_fixed_from_int(0), wl_fixed_from_int(0));
}
static void
shell_grab_finish(struct shell_grab *grab)
shell_grab_end(struct shell_grab *grab)
{
if (grab->shsurf)
wl_list_remove(&grab->shsurf_destroy_listener.link);
wl_pointer_end_grab(grab->pointer);
}
static void
@ -795,7 +809,7 @@ move_grab_button(struct wl_pointer_grab *grab,
if (pointer->button_count == 0 &&
state == WL_POINTER_BUTTON_STATE_RELEASED) {
shell_grab_finish(shell_grab);
shell_grab_end(shell_grab);
wl_pointer_end_grab(pointer);
free(grab);
}
@ -815,7 +829,7 @@ busy_cursor_grab_focus(struct wl_pointer_grab *base,
struct wl_pointer *pointer = base->pointer;
if (grab->grab.focus != surface) {
shell_grab_finish(grab);
shell_grab_end(grab);
wl_pointer_end_grab(pointer);
free(grab);
}
@ -843,16 +857,13 @@ static void
set_busy_cursor(struct shell_surface *shsurf, struct wl_pointer *pointer)
{
struct shell_grab *grab;
struct desktop_shell *shell = shsurf->shell;
grab = malloc(sizeof *grab);
if (!grab)
return;
shell_grab_init(grab, &busy_cursor_grab_interface, shsurf);
grab->grab.focus = &shsurf->surface->surface;
wl_pointer_start_grab(pointer, &grab->grab);
wl_pointer_set_focus(pointer, &shell->busy_surface->surface, 0, 0);
shell_grab_start(grab, &busy_cursor_grab_interface, shsurf, pointer,
DESKTOP_SHELL_CURSOR_BUSY);
}
static void
@ -861,8 +872,7 @@ end_busy_cursor(struct shell_surface *shsurf, struct wl_pointer *pointer)
struct shell_grab *grab = (struct shell_grab *) pointer->grab;
if (grab->grab.interface == &busy_cursor_grab_interface) {
shell_grab_finish(grab);
wl_pointer_end_grab(pointer);
shell_grab_end(grab);
free(grab);
}
}
@ -966,7 +976,7 @@ shell_surface_pong(struct wl_client *client, struct wl_resource *resource,
wl_list_for_each(seat, &ec->seat_list, link) {
pointer = seat->seat.pointer;
if (pointer->focus ==
&shell->busy_surface->surface &&
&shell->grab_surface->surface &&
pointer->current ==
&shsurf->surface->surface)
end_busy_cursor(shsurf, pointer);
@ -1008,18 +1018,13 @@ surface_move(struct shell_surface *shsurf, struct weston_seat *ws)
if (!move)
return -1;
shell_grab_init(&move->base, &move_grab_interface, shsurf);
move->dx = wl_fixed_from_double(shsurf->surface->geometry.x) -
ws->seat.pointer->grab_x;
move->dy = wl_fixed_from_double(shsurf->surface->geometry.y) -
ws->seat.pointer->grab_y;
wl_pointer_start_grab(ws->seat.pointer, &move->base.grab);
wl_pointer_set_focus(ws->seat.pointer, NULL,
wl_fixed_from_int(0),
wl_fixed_from_int(0));
shell_grab_start(&move->base, &move_grab_interface, shsurf,
ws->seat.pointer, DESKTOP_SHELL_CURSOR_MOVE);
return 0;
}
@ -1108,8 +1113,7 @@ resize_grab_button(struct wl_pointer_grab *grab,
if (pointer->button_count == 0 &&
state == WL_POINTER_BUTTON_STATE_RELEASED) {
shell_grab_finish(&resize->base);
wl_pointer_end_grab(pointer);
shell_grab_end(&resize->base);
free(grab);
}
}
@ -1137,17 +1141,12 @@ surface_resize(struct shell_surface *shsurf,
if (!resize)
return -1;
shell_grab_init(&resize->base, &resize_grab_interface, shsurf);
resize->edges = edges;
resize->width = shsurf->surface->geometry.width;
resize->height = shsurf->surface->geometry.height;
wl_pointer_start_grab(ws->seat.pointer, &resize->base.grab);
wl_pointer_set_focus(ws->seat.pointer, NULL,
wl_fixed_from_int(0),
wl_fixed_from_int(0));
shell_grab_start(&resize->base, &resize_grab_interface, shsurf,
ws->seat.pointer, edges);
return 0;
}
@ -2009,13 +2008,13 @@ desktop_shell_unlock(struct wl_client *client,
}
static void
desktop_shell_set_busy_surface(struct wl_client *client,
desktop_shell_set_grab_surface(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_resource)
{
struct desktop_shell *shell = resource->data;
shell->busy_surface = surface_resource->data;
shell->grab_surface = surface_resource->data;
}
static const struct desktop_shell_interface desktop_shell_implementation = {
@ -2023,7 +2022,7 @@ static const struct desktop_shell_interface desktop_shell_implementation = {
desktop_shell_set_panel,
desktop_shell_set_lock_surface,
desktop_shell_unlock,
desktop_shell_set_busy_surface
desktop_shell_set_grab_surface
};
static enum shell_surface_type
@ -2266,8 +2265,7 @@ rotate_grab_button(struct wl_pointer_grab *grab,
if (shsurf)
weston_matrix_multiply(&shsurf->rotation.rotation,
&rotate->rotation);
shell_grab_finish(&rotate->base);
wl_pointer_end_grab(pointer);
shell_grab_end(&rotate->base);
free(rotate);
}
}
@ -2300,15 +2298,11 @@ rotate_binding(struct wl_seat *seat, uint32_t time, uint32_t button,
if (!rotate)
return;
shell_grab_init(&rotate->base, &rotate_grab_interface, surface);
weston_surface_to_global_float(surface->surface,
surface->surface->geometry.width / 2,
surface->surface->geometry.height / 2,
&rotate->center.x, &rotate->center.y);
wl_pointer_start_grab(seat->pointer, &rotate->base.grab);
dx = wl_fixed_to_double(seat->pointer->x) - rotate->center.x;
dy = wl_fixed_to_double(seat->pointer->y) - rotate->center.y;
r = sqrtf(dx * dx + dy * dy);
@ -2332,9 +2326,8 @@ rotate_binding(struct wl_seat *seat, uint32_t time, uint32_t button,
weston_matrix_init(&rotate->rotation);
}
wl_pointer_set_focus(seat->pointer, NULL,
wl_fixed_from_int(0),
wl_fixed_from_int(0));
shell_grab_start(&rotate->base, &rotate_grab_interface, surface,
seat->pointer, DESKTOP_SHELL_CURSOR_ARROW);
}
static void

Write Preview
Loading…
Cancel
Save