[PATCH weston 02/13] tablet: add handling of tablet focus
Peter Hutterer
peter.hutterer at who-t.net
Thu Nov 5 20:31:10 PST 2015
From: Stephen Chandler Paul <thatslyude at gmail.com>
Closely modelled after the pointer focus handling
Co-authored-by: Peter Hutterer <peter.hutterer at who-t.net>
Signed-off-by: Stephen Chandler Paul <thatslyude at gmail.com>
Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
src/compositor.h | 10 +++++++
src/input.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 92 insertions(+)
diff --git a/src/compositor.h b/src/compositor.h
index 50c7034..7725c27 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -370,8 +370,14 @@ struct weston_touch {
struct weston_tablet_tool {
struct weston_seat *seat;
enum zwp_tablet_tool1_type type;
+ struct weston_tablet *current_tablet;
struct wl_list resource_list;
+ struct wl_list focus_resource_list;
+ struct weston_view *focus;
+ struct wl_listener focus_view_listener;
+ struct wl_listener focus_resource_listener;
+ uint32_t focus_serial;
struct wl_list link;
@@ -466,6 +472,10 @@ struct weston_tablet_tool *
weston_tablet_tool_create(void);
void
weston_tablet_tool_destroy(struct weston_tablet_tool *tool);
+void
+weston_tablet_tool_set_focus(struct weston_tablet_tool *tool,
+ struct weston_view *view,
+ uint32_t time);
void
wl_data_device_set_keyboard_focus(struct weston_seat *seat);
diff --git a/src/input.c b/src/input.c
index 8814d34..e9688c5 100644
--- a/src/input.c
+++ b/src/input.c
@@ -126,6 +126,26 @@ touch_focus_resource_destroyed(struct wl_listener *listener, void *data)
}
static void
+tablet_tool_focus_view_destroyed(struct wl_listener *listener, void *data)
+{
+ struct weston_tablet_tool *tool =
+ container_of(listener, struct weston_tablet_tool,
+ focus_view_listener);
+
+ weston_tablet_tool_set_focus(tool, NULL, 0);
+}
+
+static void
+tablet_tool_focus_resource_destroyed(struct wl_listener *listener, void *data)
+{
+ struct weston_tablet_tool *tool =
+ container_of(listener, struct weston_tablet_tool,
+ focus_resource_listener);
+
+ weston_tablet_tool_set_focus(tool, NULL, 0);
+}
+
+static void
move_resources(struct wl_list *destination, struct wl_list *source)
{
wl_list_insert_list(destination, source);
@@ -670,6 +690,61 @@ weston_tablet_destroy(struct weston_tablet *tablet)
free(tablet);
}
+WL_EXPORT void
+weston_tablet_tool_set_focus(struct weston_tablet_tool *tool,
+ struct weston_view *view,
+ uint32_t time)
+{
+ struct wl_list *focus_resource_list;
+ struct wl_resource *resource;
+ struct weston_seat *seat = tool->seat;
+
+ focus_resource_list = &tool->focus_resource_list;
+ if (tool->focus && !wl_list_empty(focus_resource_list)) {
+ wl_resource_for_each(resource, focus_resource_list) {
+ zwp_tablet_tool1_send_proximity_out(resource);
+ zwp_tablet_tool1_send_frame(resource, time);
+ }
+
+ move_resources(&tool->resource_list, focus_resource_list);
+ }
+
+ if (find_resource_for_view(&tool->resource_list, view)) {
+ struct wl_client *surface_client =
+ wl_resource_get_client(view->surface->resource);
+
+ move_resources_for_client(focus_resource_list,
+ &tool->resource_list,
+ surface_client);
+
+ tool->focus_serial = wl_display_next_serial(seat->compositor->wl_display);
+ wl_resource_for_each(resource, focus_resource_list) {
+ struct wl_resource *tr;
+
+ tr = wl_resource_find_for_client(&tool->current_tablet->resource_list,
+ surface_client);
+
+ zwp_tablet_tool1_send_proximity_in(resource, tool->focus_serial,
+ tr, view->surface->resource);
+ zwp_tablet_tool1_send_frame(resource, time);
+ }
+ }
+
+ wl_list_remove(&tool->focus_view_listener.link);
+ wl_list_init(&tool->focus_view_listener.link);
+ wl_list_remove(&tool->focus_resource_listener.link);
+ wl_list_init(&tool->focus_resource_listener.link);
+
+ if (view)
+ wl_signal_add(&view->destroy_signal,
+ &tool->focus_view_listener);
+ if (view && view->surface->resource)
+ wl_resource_add_destroy_listener(view->surface->resource,
+ &tool->focus_resource_listener);
+ tool->focus = view;
+ tool->focus_view_listener.notify = tablet_tool_focus_view_destroyed;
+}
+
WL_EXPORT struct weston_tablet_tool *
weston_tablet_tool_create(void)
{
@@ -680,6 +755,13 @@ weston_tablet_tool_create(void)
return NULL;
wl_list_init(&tool->resource_list);
+ wl_list_init(&tool->focus_resource_list);
+
+ wl_list_init(&tool->focus_view_listener.link);
+ tool->focus_view_listener.notify = tablet_tool_focus_view_destroyed;
+
+ wl_list_init(&tool->focus_resource_listener.link);
+ tool->focus_resource_listener.notify = tablet_tool_focus_resource_destroyed;
return tool;
}
--
2.4.3
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