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xwm: support maximizing xwayland windows

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This patch adds the maximize button to the window frame for the windows
which set the MWM_DECOR_MAXIMIZE hint, and it wires it with the shell
via a new method in weston_shell_interface.
Additionally, it also listens for the wm hints coming from the client,
but it doesn't support maximizing a window only vertically or horizontally.
The window will be maximized only when both directions are maximized.

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
This commit is contained in:
Giulio Camuffo
2015-01-29 19:06:49 +02:00
committed by Bryce Harrington
parent 8aeeac827f
commit 6b4b24155f
4 changed files with 128 additions and 38 deletions
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desktop-shell/shell.c
+46 -26
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@@ -3000,6 +3000,51 @@ shell_interface_set_fullscreen(struct shell_surface *shsurf,
set_fullscreen(shsurf, method, framerate, output);
}
static struct weston_output *
get_focused_output(struct weston_compositor *compositor)
{
struct weston_seat *seat;
struct weston_output *output = NULL;
wl_list_for_each(seat, &compositor->seat_list, link) {
/* Priority has touch focus, then pointer and
* then keyboard focus. We should probably have
* three for loops and check frist for touch,
* then for pointer, etc. but unless somebody has some
* objections, I think this is sufficient. */
if (seat->touch && seat->touch->focus)
output = seat->touch->focus->output;
else if (seat->pointer && seat->pointer->focus)
output = seat->pointer->focus->output;
else if (seat->keyboard && seat->keyboard->focus)
output = seat->keyboard->focus->output;
if (output)
break;
}
return output;
}
static void
shell_interface_set_maximized(struct shell_surface *shsurf)
{
struct weston_output *output;
surface_clear_next_states(shsurf);
shsurf->next_state.maximized = true;
shsurf->state_changed = true;
shsurf->type = SHELL_SURFACE_TOPLEVEL;
if (!weston_surface_is_mapped(shsurf->surface))
output = get_focused_output(shsurf->surface->compositor);
else
output = shsurf->surface->output;
shell_surface_set_output(shsurf, output);
send_configure_for_surface(shsurf);
}
static int
shell_interface_move(struct shell_surface *shsurf, struct weston_seat *ws)
{
@@ -3605,32 +3650,6 @@ get_primary_view(void *shell, struct shell_surface *shsurf)
return shsurf->view;
}
static struct weston_output *
get_focused_output(struct weston_compositor *compositor)
{
struct weston_seat *seat;
struct weston_output *output = NULL;
wl_list_for_each(seat, &compositor->seat_list, link) {
/* Priority has touch focus, then pointer and
* then keyboard focus. We should probably have
* three for loops and check frist for touch,
* then for pointer, etc. but unless somebody has some
* objections, I think this is sufficient. */
if (seat->touch && seat->touch->focus)
output = seat->touch->focus->output;
else if (seat->pointer && seat->pointer->focus)
output = seat->pointer->focus->output;
else if (seat->keyboard && seat->keyboard->focus)
output = seat->keyboard->focus->output;
if (output)
break;
}
return output;
}
static void
shell_get_shell_surface(struct wl_client *client,
struct wl_resource *resource,
@@ -6633,6 +6652,7 @@ module_init(struct weston_compositor *ec,
ec->shell_interface.resize = surface_resize;
ec->shell_interface.set_title = set_title;
ec->shell_interface.set_window_geometry = set_window_geometry;
ec->shell_interface.set_maximized = shell_interface_set_maximized;
weston_layer_init(&shell->fullscreen_layer, &ec->cursor_layer.link);
weston_layer_init(&shell->panel_layer, &shell->fullscreen_layer.link);