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text: Introduce input_method_context interface 

Add an input_method_context interface which is the representation of a
text_model on input_method side.

Signed-off-by: Jan Arne Petersen <jpetersen@openismus.com>
This commit is contained in:
Jan Arne Petersen 2012-09-09 23:08:32 +02:00 committed by Kristian Høgsberg
parent b13b9ff90a
commit 620cd62cbd
3 changed files with 140 additions and 16 deletions
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39
clients/keyboard.c
View File

@ -1,5 +1,6 @@
/*
* 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
@ -34,6 +35,7 @@
struct virtual_keyboard {
struct input_panel *input_panel;
struct input_method *input_method;
struct input_method_context *context;
struct display *display;
};
@ -129,11 +131,43 @@ button_handler(struct widget *widget,
text[0] = y / keyboard->cy * 10 + x / keyboard->cx + '0';
input_method_commit_string(keyboard->keyboard->input_method, text, -1);
input_method_context_commit_string(keyboard->keyboard->context, text, -1);
widget_schedule_redraw(widget);
}
static void
input_method_activate(void *data,
struct input_method *input_method,
struct input_method_context *context)
{
struct virtual_keyboard *keyboard = data;
if (keyboard->context)
input_method_context_destroy(keyboard->context);
keyboard->context = context;
}
static void
input_method_deactivate(void *data,
struct input_method *input_method,
struct input_method_context *context)
{
struct virtual_keyboard *keyboard = data;
if (!keyboard->context)
return;
input_method_context_destroy(keyboard->context);
keyboard->context = NULL;
}
static const struct input_method_listener input_method_listener = {
input_method_activate,
input_method_deactivate
};
static void
global_handler(struct wl_display *display, uint32_t id,
const char *interface, uint32_t version, void *data)
@ -144,6 +178,7 @@ global_handler(struct wl_display *display, uint32_t id,
keyboard->input_panel = wl_display_bind(display, id, &input_panel_interface);
} else if (!strcmp(interface, "input_method")) {
keyboard->input_method = wl_display_bind(display, id, &input_method_interface);
input_method_add_listener(keyboard->input_method, &input_method_listener, keyboard);
}
}
@ -201,6 +236,8 @@ main(int argc, char *argv[])
return -1;
}
virtual_keyboard.context = NULL;
wl_display_add_global_listener(display_get_display(virtual_keyboard.display),
global_handler, &virtual_keyboard);

15
protocol/text.xml
View File

@ -49,10 +49,23 @@
</request>
</interface>
<interface name="input_method" version="1">
<interface name="input_method_context" version="1">
<request name="destroy" type="destructor"/>
<request name="commit_string">
<arg name="text" type="string"/>
<arg name="index" type="uint"/>
</request>
<event name="set_surrounding_text">
<arg name="text" type="string"/>
</event>
</interface>
<interface name="input_method" version="1">
<event name="activate">
<arg name="id" type="new_id" interface="input_method_context"/>
</event>
<event name="deactivate">
<arg name="context" type="object" interface="input_method_context"/>
</event>
</interface>
</protocol>

102
src/text-backend.c
View File

@ -27,6 +27,7 @@
#include "text-server-protocol.h"
struct input_method;
struct input_method_context;
struct text_model {
struct wl_resource resource;
@ -58,8 +59,21 @@ struct input_method {
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
@ -69,8 +83,11 @@ deactivate_text_model(struct text_model *text_model,
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);
}
@ -94,6 +111,14 @@ text_model_set_surrounding_text(struct wl_client *client,
struct wl_resource *resource,
const char *text)
{
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_set_surrounding_text(&input_method->context->resource, text);
}
}
static void
@ -111,6 +136,7 @@ text_model_activate(struct wl_client *client,
{
struct text_model *text_model = resource->data;
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;
@ -122,12 +148,14 @@ text_model_activate(struct wl_client *client,
weston_seat->input_method);
}
weston_seat->input_method->model = text_model;
wl_list_insert(&text_model->input_methods, &weston_seat->input_method->link);
input_method->model = text_model;
wl_list_insert(&text_model->input_methods, &input_method->link);
input_method_init_seat(weston_seat);
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);
@ -260,28 +288,73 @@ text_model_factory_create(struct weston_compositor *ec)
}
static void
input_method_commit_string(struct wl_client *client,
struct wl_resource *resource,
const char *text,
uint32_t index)
input_method_context_destroy(struct wl_client *client,
struct wl_resource *resource)
{
struct input_method *input_method = resource->data;
if (input_method->model) {
text_model_send_commit_string(&input_method->model->resource, text, index);
}
wl_resource_destroy(resource);
}
static const struct input_method_interface input_method_implementation = {
input_method_commit_string
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 const struct input_method_context_interface input_method_context_implementation = {
input_method_context_destroy,
input_method_context_commit_string
};
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);
}
@ -295,7 +368,7 @@ bind_input_method(struct wl_client *client,
struct wl_resource *resource;
resource = wl_client_add_object(client, &input_method_interface,
&input_method_implementation,
NULL,
id, input_method);
if (input_method->input_method_binding == NULL) {
@ -365,6 +438,7 @@ input_method_create(struct weston_compositor *ec,
input_method->seat = seat;
input_method->model = NULL;
input_method->focus_listener_initialized = 0;
input_method->context = NULL;
input_method->input_method_global =
wl_display_add_global(ec->wl_display,