/*
* Copyright © 2012 Openismus GmbH
+ * Copyright © 2012 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
#include "compositor.h"
#include "text-server-protocol.h"
+#include "input-method-server-protocol.h"
struct input_method;
+struct input_method_context;
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 wl_surface *surface;
};
-struct input_method {
- struct wl_object base;
+struct text_model_factory {
+ struct wl_global *text_model_factory_global;
+ struct wl_listener destroy_listener;
+
struct weston_compositor *ec;
- struct wl_global *global;
+};
+
+struct input_method {
+ struct wl_resource *input_method_binding;
+ struct wl_global *input_method_global;
struct wl_listener destroy_listener;
- struct wl_list models;
- struct text_model *active_model;
+ struct weston_seat *seat;
+ struct text_model *model;
+
+ struct wl_list link;
+
+ struct wl_listener keyboard_focus_listener;
+
+ int focus_listener_initialized;
+
+ struct input_method_context *context;
+};
+
+struct input_method_context {
+ struct wl_resource resource;
+
+ struct text_model *model;
+
+ struct wl_list link;
};
+static void input_method_context_create(struct text_model *model,
+ struct input_method *input_method);
+
+static void input_method_init_seat(struct weston_seat *seat);
+
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;
-
- if (text_model->input_method->active_model == text_model) {
- text_model->input_method->active_model = NULL;
+ struct weston_compositor *ec = text_model->ec;
+
+ if (input_method->model == text_model) {
+ if (input_method->input_method_binding)
+ input_method_send_deactivate(input_method->input_method_binding, &input_method->context->resource);
+ wl_list_remove(&input_method->link);
+ input_method->model = NULL;
+ input_method->context = NULL;
wl_signal_emit(&ec->hide_input_panel_signal, ec);
+ text_model_send_deactivated(&text_model->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);
}
static void
text_model_set_surrounding_text(struct wl_client *client,
struct wl_resource *resource,
- const char *text)
-{
-}
-
-static void
-text_model_set_cursor_index(struct wl_client *client,
- struct wl_resource *resource,
- uint32_t index)
+ const char *text,
+ uint32_t cursor,
+ uint32_t anchor)
{
+ struct text_model *text_model = resource->data;
+ struct input_method *input_method, *next;
+
+ wl_list_for_each_safe(input_method, next, &text_model->input_methods, link) {
+ if (!input_method->context)
+ continue;
+ input_method_context_send_surrounding_text(&input_method->context->resource,
+ text,
+ cursor,
+ anchor);
+ }
}
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 input_method *input_method = weston_seat->input_method;
+ struct text_model *old = weston_seat->input_method->model;
+ struct weston_compositor *ec = text_model->ec;
+
+ if (old == text_model)
+ return;
+
+ if (old) {
+ deactivate_text_model(old,
+ weston_seat->input_method);
+ }
+
+ input_method->model = text_model;
+ wl_list_insert(&text_model->input_methods, &input_method->link);
+ input_method_init_seat(weston_seat);
- text_model->input_method->active_model = text_model;
+ text_model->surface = surface->data;
+
+ input_method_context_create(text_model, input_method);
wl_signal_emit(&ec->show_input_panel_signal, ec);
+
+ text_model_send_activated(&text_model->resource);
}
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);
-}
-
-static void
-text_model_set_selected_text(struct wl_client *client,
- struct wl_resource *resource,
- const char *text,
- int32_t index)
-{
+ deactivate_text_model(text_model,
+ weston_seat->input_method);
}
static void
{
}
-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,
text_model_deactivate,
- text_model_set_selected_text,
text_model_set_micro_focus,
text_model_set_preedit,
text_model_set_content_type
};
-static void input_method_create_text_model(struct wl_client *client,
- struct wl_resource *resource,
- uint32_t id,
- struct wl_resource *surface)
+static void text_model_factory_create_text_model(struct wl_client *client,
+ struct wl_resource *resource,
+ uint32_t id)
{
- struct input_method *input_method = resource->data;
+ struct text_model_factory *text_model_factory = resource->data;
struct text_model *text_model;
text_model = calloc(1, sizeof *text_model);
- text_model->resource.destroy = destroy_text_model;
-
text_model->resource.object.id = id;
text_model->resource.object.interface = &text_model_interface;
text_model->resource.object.implementation =
(void (**)(void)) &text_model_implementation;
+
text_model->resource.data = text_model;
+ text_model->resource.destroy = destroy_text_model;
+
+ text_model->ec = text_model_factory->ec;
- text_model->input_method = input_method;
+ wl_list_init(&text_model->input_methods);
wl_client_add_resource(client, &text_model->resource);
+};
- wl_list_insert(&input_method->models, &text_model->link);
+static const struct text_model_factory_interface text_model_factory_implementation = {
+ text_model_factory_create_text_model
};
static void
-input_method_commit_string(struct wl_client *client,
- struct wl_resource *resource,
- const char *text,
- uint32_t index)
+bind_text_model_factory(struct wl_client *client,
+ void *data,
+ uint32_t version,
+ uint32_t id)
{
- struct input_method *input_method = resource->data;
+ struct text_model_factory *text_model_factory = data;
- if (input_method->active_model) {
- text_model_send_commit_string(&input_method->active_model->resource, text, index);
- }
+ /* No checking for duplicate binding necessary.
+ * No events have to be sent, so we don't need the return value. */
+ wl_client_add_object(client, &text_model_factory_interface,
+ &text_model_factory_implementation,
+ id, text_model_factory);
+}
+
+static void
+text_model_factory_notifier_destroy(struct wl_listener *listener, void *data)
+{
+ struct text_model_factory *text_model_factory =
+ container_of(listener, struct text_model_factory, destroy_listener);
+
+ wl_display_remove_global(text_model_factory->ec->wl_display,
+ text_model_factory->text_model_factory_global);
+
+ free(text_model_factory);
}
-struct input_method_interface input_method_implementation = {
- input_method_create_text_model,
- input_method_commit_string
+WL_EXPORT void
+text_model_factory_create(struct weston_compositor *ec)
+{
+ struct text_model_factory *text_model_factory;
+
+ text_model_factory = calloc(1, sizeof *text_model_factory);
+
+ text_model_factory->ec = ec;
+
+ text_model_factory->text_model_factory_global =
+ wl_display_add_global(ec->wl_display,
+ &text_model_factory_interface,
+ text_model_factory, bind_text_model_factory);
+
+ text_model_factory->destroy_listener.notify = text_model_factory_notifier_destroy;
+ wl_signal_add(&ec->destroy_signal, &text_model_factory->destroy_listener);
+}
+
+static void
+input_method_context_destroy(struct wl_client *client,
+ struct wl_resource *resource)
+{
+ wl_resource_destroy(resource);
+}
+
+static void
+input_method_context_commit_string(struct wl_client *client,
+ struct wl_resource *resource,
+ const char *text,
+ uint32_t index)
+{
+ struct input_method_context *context = resource->data;
+
+ text_model_send_commit_string(&context->model->resource, text, index);
+}
+
+static void
+input_method_context_preedit_string(struct wl_client *client,
+ struct wl_resource *resource,
+ const char *text,
+ uint32_t index)
+{
+ struct input_method_context *context = resource->data;
+
+ text_model_send_preedit_string(&context->model->resource, text, index);
+}
+
+static void
+input_method_context_delete_surrounding_text(struct wl_client *client,
+ struct wl_resource *resource,
+ int32_t index,
+ uint32_t length)
+{
+ struct input_method_context *context = resource->data;
+
+ text_model_send_delete_surrounding_text(&context->model->resource, index, length);
+}
+
+static const struct input_method_context_interface input_method_context_implementation = {
+ input_method_context_destroy,
+ input_method_context_commit_string,
+ input_method_context_preedit_string,
+ input_method_context_delete_surrounding_text
};
static void
+destroy_input_method_context(struct wl_resource *resource)
+{
+ struct input_method_context *context = resource->data;
+
+ free(context);
+}
+
+static void
+input_method_context_create(struct text_model *model,
+ struct input_method *input_method)
+{
+ struct input_method_context *context;
+
+ if (!input_method->input_method_binding)
+ return;
+
+ context = malloc(sizeof *context);
+ if (context == NULL)
+ return;
+
+ context->resource.destroy = destroy_input_method_context;
+ context->resource.object.id = 0;
+ context->resource.object.interface = &input_method_context_interface;
+ context->resource.object.implementation =
+ (void (**)(void)) &input_method_context_implementation;
+ context->resource.data = context;
+ wl_signal_init(&context->resource.destroy_signal);
+
+ context->model = model;
+ input_method->context = context;
+
+ wl_client_add_resource(input_method->input_method_binding->client, &context->resource);
+
+ input_method_send_activate(input_method->input_method_binding, &context->resource);
+}
+
+static void
+unbind_input_method(struct wl_resource *resource)
+{
+ struct input_method *input_method = resource->data;
+
+ input_method->input_method_binding = NULL;
+ input_method->context = NULL;
+
+ free(resource);
+}
+
+static void
bind_input_method(struct wl_client *client,
void *data,
uint32_t version,
uint32_t id)
{
- wl_client_add_object(client, &input_method_interface,
- &input_method_implementation, id, data);
+ struct input_method *input_method = data;
+ struct wl_resource *resource;
+
+ resource = wl_client_add_object(client, &input_method_interface,
+ NULL,
+ id, input_method);
+
+ if (input_method->input_method_binding == NULL) {
+ resource->destroy = unbind_input_method;
+ input_method->input_method_binding = resource;
+ return;
+ }
+
+ wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
+ "interface object already bound");
+ wl_resource_destroy(resource);
}
static void
struct input_method *input_method =
container_of(listener, struct input_method, destroy_listener);
- wl_display_remove_global(input_method->ec->wl_display,
- input_method->global);
+ if (input_method->model)
+ deactivate_text_model(input_method->model, input_method);
+
+ wl_display_remove_global(input_method->seat->compositor->wl_display,
+ input_method->input_method_global);
+
free(input_method);
}
-void
-input_method_create(struct weston_compositor *ec)
+static void
+handle_keyboard_focus(struct wl_listener *listener, void *data)
+{
+ struct wl_keyboard *keyboard = data;
+ struct input_method *input_method =
+ container_of(listener, struct input_method, keyboard_focus_listener);
+ struct wl_surface *surface = keyboard->focus;
+
+ if (!input_method->model)
+ return;
+
+ if (!surface || input_method->model->surface != surface)
+ deactivate_text_model(input_method->model,
+ input_method);
+}
+
+static void
+input_method_init_seat(struct weston_seat *seat)
+{
+ if (seat->input_method->focus_listener_initialized)
+ return;
+
+ if (seat->has_keyboard) {
+ seat->input_method->keyboard_focus_listener.notify = handle_keyboard_focus;
+ wl_signal_add(&seat->seat.keyboard->focus_signal, &seat->input_method->keyboard_focus_listener);
+ }
+
+ seat->input_method->focus_listener_initialized = 1;
+}
+
+WL_EXPORT void
+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->base.interface = &input_method_interface;
- input_method->base.implementation =
- (void(**)(void)) &input_method_implementation;
- input_method->ec = ec;
- input_method->active_model = NULL;
+ input_method->seat = seat;
+ input_method->model = NULL;
+ input_method->focus_listener_initialized = 0;
+ input_method->context = NULL;
- wl_list_init(&input_method->models);
-
- input_method->global = wl_display_add_global(ec->wl_display,
- &input_method_interface,
- input_method,
- bind_input_method);
+ input_method->input_method_global =
+ wl_display_add_global(ec->wl_display,
+ &input_method_interface,
+ input_method, bind_input_method);
input_method->destroy_listener.notify = input_method_notifier_destroy;
- wl_signal_add(&ec->destroy_signal, &input_method->destroy_listener);
+ wl_signal_add(&seat->seat.destroy_signal, &input_method->destroy_listener);
+
+ seat->input_method = input_method;
}
+