[PATCH 4/5] text: Assign text_model to a wl_seat

Philipp Brüschweiler blei42 at gmail.com
Fri Aug 10 11:32:23 PDT 2012


This will not work with multiple seats, right? I guess the
input_method struct would have to be broken up into a 'global' part
(containing the global object bindings) and a per seat part. Or am I
missing something?

Cheers,
Philipp

On Fri, Aug 10, 2012 at 4:47 PM, Jan Arne Petersen
<jpetersen at openismus.com> wrote:
> From: Jan Arne Petersen <jpetersen at openismus.com>
>
> Add a wl_seat argument to the activate and deactivate requests of
> text_method.
>
> On activation a text_model gets assigned to the input_method of the
> wl_seat specified in the activate request.
> ---
>  clients/editor.c   | 28 +++++++++++++++-------
>  protocol/text.xml  |  9 +++++--
>  src/compositor.c   |  2 +-
>  src/compositor.h   |  6 ++++-
>  src/text-backend.c | 70 ++++++++++++++++++++++++++++++++----------------------
>  5 files changed, 75 insertions(+), 40 deletions(-)
>
> diff --git a/clients/editor.c b/clients/editor.c
> index 9cb7326..a5347fe 100644
> --- a/clients/editor.c
> +++ b/clients/editor.c
> @@ -33,6 +33,7 @@
>
>  struct text_entry {
>         struct widget *widget;
> +       struct window *window;
>         char *text;
>         int active;
>         struct rectangle allocation;
> @@ -152,6 +153,7 @@ text_entry_create(struct editor *editor, const char *text)
>         surface = window_get_wl_surface(editor->window);
>
>         entry->widget = editor->widget;
> +       entry->window = editor->window;
>         entry->text = strdup(text);
>         entry->active = 0;
>         entry->model = text_model_factory_create_text_model(editor->text_model_factory, surface);
> @@ -271,15 +273,22 @@ rectangle_contains(struct rectangle *rectangle, int32_t x, int32_t y)
>  }
>
>  static void
> -text_entry_activate(struct text_entry *entry)
> +text_entry_activate(struct text_entry *entry,
> +                    struct wl_seat *seat)
>  {
> -       text_model_activate(entry->model);
> +       struct wl_surface *surface = window_get_wl_surface(entry->window);
> +
> +       text_model_activate(entry->model,
> +                           seat,
> +                           surface);
>  }
>
>  static void
> -text_entry_deactivate(struct text_entry *entry)
> +text_entry_deactivate(struct text_entry *entry,
> +                     struct wl_seat *seat)
>  {
> -       text_model_deactivate(entry->model);
> +       text_model_deactivate(entry->model,
> +                             seat);
>  }
>
>  static void
> @@ -291,6 +300,7 @@ button_handler(struct widget *widget,
>         struct editor *editor = data;
>         struct rectangle allocation;
>         int32_t x, y;
> +       struct wl_seat *seat;
>
>         if (state != WL_POINTER_BUTTON_STATE_PRESSED || button != BTN_LEFT) {
>                 return;
> @@ -306,13 +316,15 @@ button_handler(struct widget *widget,
>         int32_t activate_editor = rectangle_contains(&editor->editor->allocation, x, y);
>         assert(!(activate_entry && activate_editor));
>
> +       seat = input_get_seat(input);
> +
>         if (activate_entry) {
> -               text_entry_activate(editor->entry);
> +               text_entry_activate(editor->entry, seat);
>         } else if (activate_editor) {
> -               text_entry_activate(editor->editor);
> +               text_entry_activate(editor->editor, seat);
>         } else {
> -               text_entry_deactivate(editor->entry);
> -               text_entry_deactivate(editor->editor);
> +               text_entry_deactivate(editor->entry, seat);
> +               text_entry_deactivate(editor->editor, seat);
>         }
>
>         widget_schedule_redraw(widget);
> diff --git a/protocol/text.xml b/protocol/text.xml
> index ac12a1a..e73cacb 100644
> --- a/protocol/text.xml
> +++ b/protocol/text.xml
> @@ -6,8 +6,13 @@
>      <request name="set_cursor_index">
>        <arg name="index" type="uint"/>
>      </request>
> -    <request name="activate"/>
> -    <request name="deactivate"/>
> +    <request name="activate">
> +      <arg name="seat" type="object" interface="wl_seat"/>
> +      <arg name="surface" type="object" interface="wl_surface"/>
> +    </request>
> +    <request name="deactivate">
> +      <arg name="seat" type="object" interface="wl_seat"/>
> +    </request>
>      <request name="set_selected_text">
>        <arg name="text" type="string"/>
>        <arg name="index" type="int"/>
> diff --git a/src/compositor.c b/src/compositor.c
> index 34df5f7..f6e67eb 100644
> --- a/src/compositor.c
> +++ b/src/compositor.c
> @@ -2632,6 +2632,7 @@ weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec)
>                       &seat->new_drag_icon_listener);
>
>         clipboard_create(seat);
> +       input_method_create(ec, seat);
>  }
>
>  WL_EXPORT void
> @@ -3183,7 +3184,6 @@ weston_compositor_init(struct weston_compositor *ec,
>
>         screenshooter_create(ec);
>         text_cursor_position_notifier_create(ec);
> -       input_method_create(ec);
>
>         wl_data_device_manager_init(ec->wl_display);
>
> diff --git a/src/compositor.h b/src/compositor.h
> index 47301fa..acf38a4 100644
> --- a/src/compositor.h
> +++ b/src/compositor.h
> @@ -47,6 +47,7 @@ struct weston_surface;
>  struct shell_surface;
>  struct weston_seat;
>  struct weston_output;
> +struct input_method;
>
>  enum weston_keyboard_modifier {
>         MODIFIER_CTRL = (1 << 0),
> @@ -235,6 +236,8 @@ struct weston_seat {
>                 struct xkb_state *state;
>                 enum weston_led leds;
>         } xkb_state;
> +
> +       struct input_method *input_method;
>  };
>
>  struct weston_shader {
> @@ -742,7 +745,8 @@ void
>  text_cursor_position_notifier_create(struct weston_compositor *ec);
>
>  void
> -input_method_create(struct weston_compositor *ec);
> +input_method_create(struct weston_compositor *ec,
> +                   struct weston_seat *seat);
>
>  struct weston_process;
>  typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
> diff --git a/src/text-backend.c b/src/text-backend.c
> index 9113c9b..c634aec 100644
> --- a/src/text-backend.c
> +++ b/src/text-backend.c
> @@ -30,9 +30,9 @@ struct input_method;
>  struct text_model {
>         struct wl_resource resource;
>
> -       struct wl_list link;
> +       struct weston_compositor *ec;
>
> -       struct input_method *input_method;
> +       struct wl_list input_methods;
>  };
>
>  struct input_method {
> @@ -42,17 +42,20 @@ struct input_method {
>         struct wl_listener destroy_listener;
>
>         struct weston_compositor *ec;
> -       struct wl_list models;
> -       struct text_model *active_model;
> +       struct text_model *model;
> +
> +       struct wl_list link;
>  };
>
>  static void
> -deactivate_text_model(struct text_model *text_model)
> +deactivate_text_model(struct text_model *text_model,
> +                     struct input_method *input_method)
>  {
> -       struct weston_compositor *ec = text_model->input_method->ec;
> +       struct weston_compositor *ec = text_model->ec;
>
> -       if (text_model->input_method->active_model == text_model) {
> -               text_model->input_method->active_model = NULL;
> +       if (input_method->model == text_model) {
> +               wl_list_remove(&input_method->link);
> +               input_method->model = NULL;
>                 wl_signal_emit(&ec->hide_input_panel_signal, ec);
>                 text_model_send_deactivated(&text_model->resource);
>         }
> @@ -63,10 +66,11 @@ destroy_text_model(struct wl_resource *resource)
>  {
>         struct text_model *text_model =
>                 container_of(resource, struct text_model, resource);
> +       struct input_method *input_method, *next;
>
> -       deactivate_text_model(text_model);
> +       wl_list_for_each_safe(input_method, next, &text_model->input_methods, link)
> +               deactivate_text_model(text_model, input_method);
>
> -       wl_list_remove(&text_model->link);
>         free(text_model);
>  }
>
> @@ -86,19 +90,25 @@ text_model_set_cursor_index(struct wl_client *client,
>
>  static void
>  text_model_activate(struct wl_client *client,
> -                   struct wl_resource *resource)
> +                   struct wl_resource *resource,
> +                   struct wl_resource *seat,
> +                   struct wl_resource *surface)
>  {
>         struct text_model *text_model = resource->data;
> -       struct weston_compositor *ec = text_model->input_method->ec;
> +       struct weston_seat *weston_seat = seat->data;
> +       struct text_model *old = weston_seat->input_method->model;
> +       struct weston_compositor *ec = text_model->ec;
>
> -       if (text_model->input_method->active_model) {
> -               if (text_model->input_method->active_model == text_model)
> -                       return;
> +       if (old == text_model)
> +               return;
>
> -               deactivate_text_model(text_model->input_method->active_model);
> +       if (old) {
> +               deactivate_text_model(old,
> +                                     weston_seat->input_method);
>         }
>
> -       text_model->input_method->active_model = text_model;
> +       weston_seat->input_method->model = text_model;
> +       wl_list_insert(&text_model->input_methods, &weston_seat->input_method->link);
>
>         wl_signal_emit(&ec->show_input_panel_signal, ec);
>
> @@ -107,11 +117,14 @@ text_model_activate(struct wl_client *client,
>
>  static void
>  text_model_deactivate(struct wl_client *client,
> -                     struct wl_resource *resource)
> +                     struct wl_resource *resource,
> +                     struct wl_resource *seat)
>  {
>         struct text_model *text_model = resource->data;
> +       struct weston_seat *weston_seat = seat->data;
>
> -       deactivate_text_model(text_model);
> +       deactivate_text_model(text_model,
> +                             weston_seat->input_method);
>  }
>
>  static void
> @@ -144,7 +157,7 @@ text_model_set_content_type(struct wl_client *client,
>  {
>  }
>
> -struct text_model_interface text_model_implementation = {
> +static const struct text_model_interface text_model_implementation = {
>         text_model_set_surrounding_text,
>         text_model_set_cursor_index,
>         text_model_activate,
> @@ -173,11 +186,11 @@ static void text_model_factory_create_text_model(struct wl_client *client,
>                 (void (**)(void)) &text_model_implementation;
>         text_model->resource.data = text_model;
>
> -       text_model->input_method = input_method;
> +       text_model->ec = input_method->ec;
>
>         wl_client_add_resource(client, &text_model->resource);
>
> -       wl_list_insert(&input_method->models, &text_model->link);
> +       wl_list_init(&text_model->input_methods);
>  };
>
>  static const struct text_model_factory_interface text_model_factory_implementation = {
> @@ -207,8 +220,8 @@ input_method_commit_string(struct wl_client *client,
>  {
>         struct input_method *input_method = resource->data;
>
> -       if (input_method->active_model) {
> -               text_model_send_commit_string(&input_method->active_model->resource, text, index);
> +       if (input_method->model) {
> +               text_model_send_commit_string(&input_method->model->resource, text, index);
>         }
>  }
>
> @@ -263,16 +276,15 @@ input_method_notifier_destroy(struct wl_listener *listener, void *data)
>  }
>
>  void
> -input_method_create(struct weston_compositor *ec)
> +input_method_create(struct weston_compositor *ec,
> +                   struct weston_seat *seat)
>  {
>         struct input_method *input_method;
>
>         input_method = calloc(1, sizeof *input_method);
>
>         input_method->ec = ec;
> -       input_method->active_model = NULL;
> -
> -       wl_list_init(&input_method->models);
> +       input_method->model = NULL;
>
>         input_method->input_method_global =
>                 wl_display_add_global(ec->wl_display,
> @@ -286,4 +298,6 @@ input_method_create(struct weston_compositor *ec)
>
>         input_method->destroy_listener.notify = input_method_notifier_destroy;
>         wl_signal_add(&ec->destroy_signal, &input_method->destroy_listener);
> +
> +       seat->input_method = input_method;
>  }
> --
> 1.7.11.2
>
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