mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2025-12-26 01:07:21 +00:00
sync with RTGUI c074ff2898b9e
Full log is in GitHub. git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2222 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
chaos.proton@gmail.com
380
components/rtgui/common/rtgui_app.c
Normal file
380
components/rtgui/common/rtgui_app.c
Normal file
@@ -0,0 +1,380 @@
|
||||
/*
|
||||
* File : rtgui_application.c
|
||||
* This file is part of RTGUI in RT-Thread RTOS
|
||||
* COPYRIGHT (C) 2012, RT-Thread Development Team
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.rt-thread.org/license/LICENSE
|
||||
*
|
||||
* Change Logs:
|
||||
* Date Author Notes
|
||||
* 2012-01-13 Grissiom first version(just a prototype of application API)
|
||||
* 2012-07-07 Bernard move the send/recv message to the rtgui_system.c
|
||||
*/
|
||||
|
||||
#include <rtgui/rtgui_system.h>
|
||||
#include <rtgui/rtgui_app.h>
|
||||
#include <rtgui/widgets/window.h>
|
||||
|
||||
static void _rtgui_app_constructor(struct rtgui_app *app)
|
||||
{
|
||||
/* set event handler */
|
||||
rtgui_object_set_event_handler(RTGUI_OBJECT(app),
|
||||
rtgui_app_event_handler);
|
||||
|
||||
app->name = RT_NULL;
|
||||
/* set EXITED so we can destroy an application that just created */
|
||||
app->state_flag = RTGUI_APP_FLAG_EXITED;
|
||||
app->ref_count = 0;
|
||||
app->exit_code = 0;
|
||||
app->tid = RT_NULL;
|
||||
app->server = RT_NULL;
|
||||
app->mq = RT_NULL;
|
||||
app->modal_object = RT_NULL;
|
||||
app->main_object = RT_NULL;
|
||||
app->on_idle = RT_NULL;
|
||||
}
|
||||
|
||||
static void _rtgui_app_destructor(struct rtgui_app *app)
|
||||
{
|
||||
RT_ASSERT(app != RT_NULL);
|
||||
|
||||
rt_free(app->name);
|
||||
app->name = RT_NULL;
|
||||
}
|
||||
|
||||
DEFINE_CLASS_TYPE(application, "application",
|
||||
RTGUI_OBJECT_TYPE,
|
||||
_rtgui_app_constructor,
|
||||
_rtgui_app_destructor,
|
||||
sizeof(struct rtgui_app));
|
||||
|
||||
struct rtgui_app* rtgui_app_create(
|
||||
rt_thread_t tid,
|
||||
const char *title)
|
||||
{
|
||||
rt_thread_t srv_tid;
|
||||
struct rtgui_app *app;
|
||||
struct rtgui_event_application event;
|
||||
|
||||
RT_ASSERT(tid != RT_NULL);
|
||||
RT_ASSERT(title != RT_NULL);
|
||||
|
||||
/* create application */
|
||||
app = RTGUI_APP(rtgui_object_create(RTGUI_APP_TYPE));
|
||||
if (app == RT_NULL)
|
||||
return RT_NULL;
|
||||
|
||||
/* one thread only can create one rtgui application */
|
||||
RT_ASSERT(tid->user_data == 0);
|
||||
app->tid = tid;
|
||||
/* set user thread */
|
||||
tid->user_data = (rt_uint32_t)app;
|
||||
|
||||
app->mq = rt_mq_create("rtgui", sizeof(union rtgui_event_generic), 32, RT_IPC_FLAG_FIFO);
|
||||
if (app->mq == RT_NULL)
|
||||
{
|
||||
rt_kprintf("create msgq failed.\n");
|
||||
goto __mq_err;
|
||||
}
|
||||
|
||||
/* set application title */
|
||||
app->name = (unsigned char*)rt_strdup((char*)title);
|
||||
if (app->name == RT_NULL)
|
||||
goto __err;
|
||||
|
||||
/* send a message to notify rtgui server */
|
||||
srv_tid = rtgui_get_server();
|
||||
if (srv_tid == RT_NULL)
|
||||
{
|
||||
rt_kprintf("gui server is not running.\n");
|
||||
goto __err;
|
||||
}
|
||||
|
||||
/* create the rtgui server application */
|
||||
if (srv_tid == rt_thread_self())
|
||||
return app;
|
||||
|
||||
RTGUI_EVENT_APP_CREATE_INIT(&event);
|
||||
event.app = app;
|
||||
|
||||
/* notify rtgui server to one application has been created */
|
||||
if (rtgui_send_sync(srv_tid, RTGUI_EVENT(&event), sizeof(event)) == RT_EOK)
|
||||
{
|
||||
return app;
|
||||
}
|
||||
|
||||
__err:
|
||||
__mq_err:
|
||||
rtgui_object_destroy(RTGUI_OBJECT(app));
|
||||
tid->user_data = 0;
|
||||
return RT_NULL;
|
||||
}
|
||||
|
||||
#define _rtgui_application_check(app) \
|
||||
do { \
|
||||
RT_ASSERT(app != RT_NULL); \
|
||||
RT_ASSERT(app->tid != RT_NULL); \
|
||||
RT_ASSERT(app->tid->user_data != 0); \
|
||||
RT_ASSERT(app->mq != RT_NULL); \
|
||||
} while (0)
|
||||
|
||||
void rtgui_app_destroy(struct rtgui_app *app)
|
||||
{
|
||||
rt_thread_t srv_tid;
|
||||
_rtgui_application_check(app);
|
||||
|
||||
if (!(app->state_flag & RTGUI_APP_FLAG_EXITED))
|
||||
{
|
||||
rt_kprintf("cannot destroy a running application: %s.\n",
|
||||
app->name);
|
||||
return;
|
||||
}
|
||||
|
||||
/* send a message to notify rtgui server */
|
||||
srv_tid = rtgui_get_server();
|
||||
if (srv_tid != rt_thread_self()) /* must not the server thread */
|
||||
{
|
||||
struct rtgui_event_application event;
|
||||
RTGUI_EVENT_APP_DESTROY_INIT(&event);
|
||||
event.app = app;
|
||||
|
||||
if (rtgui_send_sync(srv_tid, RTGUI_EVENT(&event), sizeof(event)) != RT_EOK)
|
||||
{
|
||||
rt_kprintf("destroy an application in server failed\n");
|
||||
return ;
|
||||
}
|
||||
}
|
||||
|
||||
app->tid->user_data = 0;
|
||||
rt_mq_delete(app->mq);
|
||||
rtgui_object_destroy(RTGUI_OBJECT(app));
|
||||
}
|
||||
|
||||
struct rtgui_app* rtgui_app_self(void)
|
||||
{
|
||||
struct rtgui_app *app;
|
||||
rt_thread_t self;
|
||||
|
||||
/* get current thread */
|
||||
self = rt_thread_self();
|
||||
app = (struct rtgui_app*)(self->user_data);
|
||||
|
||||
return app;
|
||||
}
|
||||
|
||||
void rtgui_app_set_onidle(rtgui_idle_func_t onidle)
|
||||
{
|
||||
struct rtgui_app *app;
|
||||
|
||||
app = rtgui_app_self();
|
||||
if (app != RT_NULL)
|
||||
app->on_idle = onidle;
|
||||
}
|
||||
|
||||
rtgui_idle_func_t rtgui_app_get_onidle(void)
|
||||
{
|
||||
struct rtgui_app *app;
|
||||
|
||||
app = rtgui_app_self();
|
||||
if (app != RT_NULL)
|
||||
return app->on_idle;
|
||||
else
|
||||
return RT_NULL;
|
||||
}
|
||||
|
||||
rt_inline rt_bool_t _rtgui_application_dest_handle(
|
||||
struct rtgui_app *app,
|
||||
struct rtgui_event *event)
|
||||
{
|
||||
struct rtgui_event_win* wevent = (struct rtgui_event_win*)event;
|
||||
|
||||
struct rtgui_object* dest_object = RTGUI_OBJECT(wevent->wid);
|
||||
|
||||
if (dest_object != RT_NULL)
|
||||
{
|
||||
if (dest_object->event_handler != RT_NULL)
|
||||
return dest_object->event_handler(RTGUI_OBJECT(dest_object), event);
|
||||
else
|
||||
return RT_FALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
rt_kprintf("RTGUI ERROR:server sent a event(%d) without wid\n", event->type);
|
||||
return RT_FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
rt_bool_t rtgui_app_event_handler(struct rtgui_object* object, rtgui_event_t* event)
|
||||
{
|
||||
struct rtgui_app* app;
|
||||
|
||||
RT_ASSERT(object != RT_NULL);
|
||||
RT_ASSERT(event != RT_NULL);
|
||||
|
||||
app = RTGUI_APP(object);
|
||||
|
||||
switch (event->type)
|
||||
{
|
||||
case RTGUI_EVENT_PAINT:
|
||||
case RTGUI_EVENT_CLIP_INFO:
|
||||
case RTGUI_EVENT_WIN_ACTIVATE:
|
||||
case RTGUI_EVENT_WIN_DEACTIVATE:
|
||||
case RTGUI_EVENT_WIN_CLOSE:
|
||||
case RTGUI_EVENT_WIN_MOVE:
|
||||
case RTGUI_EVENT_KBD:
|
||||
_rtgui_application_dest_handle(app, event);
|
||||
break;
|
||||
|
||||
case RTGUI_EVENT_APP_ACTIVATE:
|
||||
if (app->main_object != RT_NULL)
|
||||
{
|
||||
rtgui_win_activate(RTGUI_WIN(app->main_object));
|
||||
if (app->modal_object != RT_NULL)
|
||||
rtgui_win_activate(RTGUI_WIN(app->modal_object));
|
||||
}
|
||||
else if (app->modal_object != RT_NULL)
|
||||
{
|
||||
rtgui_win_activate(RTGUI_WIN(app->modal_object));
|
||||
}
|
||||
break;
|
||||
|
||||
case RTGUI_EVENT_MOUSE_BUTTON:
|
||||
case RTGUI_EVENT_MOUSE_MOTION:
|
||||
{
|
||||
struct rtgui_event_win* wevent = (struct rtgui_event_win*)event;
|
||||
struct rtgui_object* dest_object = RTGUI_OBJECT(wevent->wid);
|
||||
|
||||
// FIXME: let application determine the dest_wiget but not in sever
|
||||
// so we can combine this handler with above one
|
||||
if (app->modal_object != RT_NULL &&
|
||||
dest_object != app->modal_object)
|
||||
{
|
||||
// rt_kprintf("discard event %s that is not sent to modal object\n",
|
||||
// event_string[event->type]);
|
||||
}
|
||||
else
|
||||
{
|
||||
_rtgui_application_dest_handle(app, event);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case RTGUI_EVENT_TIMER:
|
||||
{
|
||||
struct rtgui_timer* timer;
|
||||
struct rtgui_event_timer* etimer = (struct rtgui_event_timer*) event;
|
||||
|
||||
timer = etimer->timer;
|
||||
if (timer->timeout != RT_NULL)
|
||||
{
|
||||
/* call timeout function */
|
||||
timer->timeout(timer, timer->user_data);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case RTGUI_EVENT_COMMAND:
|
||||
{
|
||||
struct rtgui_event_command *ecmd = (struct rtgui_event_command*)event;
|
||||
|
||||
if (ecmd->wid != RT_NULL)
|
||||
return _rtgui_application_dest_handle(app, event);
|
||||
}
|
||||
|
||||
default:
|
||||
return rtgui_object_event_handler(object, event);
|
||||
}
|
||||
|
||||
return RT_TRUE;
|
||||
}
|
||||
|
||||
rt_inline void _rtgui_application_event_loop(struct rtgui_app *app)
|
||||
{
|
||||
rt_err_t result;
|
||||
rt_uint16_t current_ref;
|
||||
struct rtgui_event *event;
|
||||
|
||||
_rtgui_application_check(app);
|
||||
|
||||
/* point to event buffer */
|
||||
event = (struct rtgui_event*)app->event_buffer;
|
||||
|
||||
current_ref = ++app->ref_count;
|
||||
|
||||
while (current_ref <= app->ref_count)
|
||||
{
|
||||
RT_ASSERT(current_ref == app->ref_count);
|
||||
|
||||
if (app->on_idle != RT_NULL)
|
||||
{
|
||||
result = rtgui_recv_nosuspend(event, sizeof(union rtgui_event_generic));
|
||||
if (result == RT_EOK)
|
||||
RTGUI_OBJECT(app)->event_handler(RTGUI_OBJECT(app), event);
|
||||
else if (result == -RT_ETIMEOUT)
|
||||
app->on_idle(RTGUI_OBJECT(app), RT_NULL);
|
||||
}
|
||||
else
|
||||
{
|
||||
result = rtgui_recv(event, sizeof(union rtgui_event_generic));
|
||||
if (result == RT_EOK)
|
||||
RTGUI_OBJECT(app)->event_handler(RTGUI_OBJECT(app), event);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
rt_base_t rtgui_app_run(struct rtgui_app *app)
|
||||
{
|
||||
_rtgui_application_check(app);
|
||||
|
||||
app->state_flag &= ~RTGUI_APP_FLAG_EXITED;
|
||||
|
||||
_rtgui_application_event_loop(app);
|
||||
|
||||
if (app->ref_count == 0)
|
||||
app->state_flag |= RTGUI_APP_FLAG_EXITED;
|
||||
|
||||
return app->exit_code;
|
||||
}
|
||||
|
||||
void rtgui_app_exit(struct rtgui_app* app, rt_uint16_t code)
|
||||
{
|
||||
--app->ref_count;
|
||||
app->exit_code = code;
|
||||
}
|
||||
|
||||
/**
|
||||
* set this application as window manager
|
||||
*/
|
||||
rt_err_t rtgui_app_set_as_wm(void)
|
||||
{
|
||||
rt_thread_t srv_tid;
|
||||
struct rtgui_event_set_wm event;
|
||||
struct rtgui_app* app;
|
||||
|
||||
srv_tid = rtgui_get_server();
|
||||
app = rtgui_app_self();
|
||||
if (app != RT_NULL && srv_tid != RT_NULL)
|
||||
{
|
||||
/* notify rtgui server, this is a window manager */
|
||||
RTGUI_EVENT_SET_WM_INIT(&event);
|
||||
event.app = app;
|
||||
|
||||
rtgui_send_sync(srv_tid, RTGUI_EVENT(&event), sizeof(event));
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
return RT_ERROR;
|
||||
}
|
||||
|
||||
void rtgui_app_set_main_win(struct rtgui_win* win)
|
||||
{
|
||||
struct rtgui_app *app;
|
||||
|
||||
app = rtgui_app_self();
|
||||
if (app != RT_NULL)
|
||||
{
|
||||
app->main_object = RTGUI_OBJECT(win);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user