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rt-thread/rtgui/common/rtgui_system.c

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/*
* File : rtgui_system.c
* This file is part of RTGUI in RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, 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
* 2009-10-04 Bernard first version
*/
#include <rtgui/rtgui.h>
#include <rtgui/driver.h>
#include <rtgui/image.h>
#include <rtgui/rtgui_theme.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/rtgui_server.h>
#include <rtgui/widgets/window.h>
// #define RTGUI_EVENT_DEBUG
#ifdef __WIN32__
#define RTGUI_EVENT_DEBUG
#define RTGUI_MEM_TRACE
#endif
void rtgui_system_server_init()
{
/* init rtgui_thread */
rtgui_thread_system_init();
/* init theme */
rtgui_system_theme_init();
/* init image */
rtgui_system_image_init();
/* init font */
rtgui_font_system_init();
/* init rtgui server */
rtgui_panel_init();
rtgui_topwin_init();
rtgui_server_init();
}
/************************************************************************/
/* RTGUI Thread Wrapper */
/************************************************************************/
#ifdef RTGUI_EVENT_DEBUG
const char *event_string[] =
{
/* panel event */
"PANEL_ATTACH", /* attach to a panel */
"PANEL_DETACH", /* detach from a panel */
"PANEL_SHOW", /* show in a panel */
"PANEL_HIDE", /* hide from a panel */
"PANEL_INFO", /* panel information */
"PANEL_RESIZE", /* resize panel */
"PANEL_FULLSCREEN", /* to full screen */
"PANEL_NORMAL", /* to normal screen */
/* window event */
"WIN_CREATE", /* create a window */
"WIN_DESTROY", /* destroy a window */
"WIN_SHOW", /* show a window */
"WIN_HIDE", /* hide a window */
"WIN_ACTIVATE", /* activate a window */
"WIN_DEACTIVATE", /* deactivate a window */
"WIN_CLOSE", /* close a window */
"WIN_MOVE", /* move a window */
"WIN_RESIZE", /* resize a window */
"SET_WM", /* set window manager */
"UPDATE_BEGIN", /* begin of update rect */
"UPDATE_END", /* end of update rect */
"MONITOR_ADD", /* add a monitor rect */
"MONITOR_REMOVE", /* remove a monitor rect*/
"PAINT", /* paint on screen */
"TIMER", /* timer */
/* clip rect information */
"CLIP_INFO", /* clip rect info */
/* mouse and keyboard event */
"MOUSE_MOTION", /* mouse motion */
"MOUSE_BUTTON", /* mouse button info */
"KBD", /* keyboard info */
/* user command event */
"COMMAND", /* user command */
/* request's status event */
"STATUS", /* request result */
"SCROLLED", /* scroll bar scrolled */
"RESIZE", /* widget resize */
};
#define DBG_MSG(x) rt_kprintf x
static void rtgui_event_dump(rt_thread_t tid, rtgui_event_t* event)
{
char* sender = "(unknown)";
if (event->sender != RT_NULL) sender = event->sender->name;
if (event->type == RTGUI_EVENT_TIMER)
{
/* don't dump timer event */
return ;
}
rt_kprintf("%s -- %s --> %s ", sender, event_string[event->type], tid->name);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
{
struct rtgui_event_paint *paint = (struct rtgui_event_paint *)event;
if(paint->wid != RT_NULL)
rt_kprintf("win: %s", paint->wid->title);
}
break;
case RTGUI_EVENT_CLIP_INFO:
{
struct rtgui_event_clip_info *info = (struct rtgui_event_clip_info *)event;
if(info->wid != RT_NULL)
rt_kprintf("win: %s", info->wid->title);
}
break;
case RTGUI_EVENT_WIN_CREATE:
{
struct rtgui_event_win_create *create = (struct rtgui_event_win_create*)event;
rt_kprintf(" win: %s at (x1:%d, y1:%d, x2:%d, y2:%d)",
create->title,
create->extent.x1,
create->extent.y1,
create->extent.x2,
create->extent.y2);
}
break;
case RTGUI_EVENT_UPDATE_END:
{
struct rtgui_event_update_end* update_end = (struct rtgui_event_update_end*)event;
rt_kprintf("(x:%d, y1:%d, x2:%d, y2:%d)", update_end->rect.x1,
update_end->rect.y1,
update_end->rect.x2,
update_end->rect.y2);
}
break;
case RTGUI_EVENT_WIN_ACTIVATE:
case RTGUI_EVENT_WIN_DEACTIVATE:
case RTGUI_EVENT_WIN_SHOW:
{
struct rtgui_event_win *win = (struct rtgui_event_win *)event;
if(win->wid != RT_NULL)
rt_kprintf("win: %s", win->wid->title);
}
break;
case RTGUI_EVENT_WIN_MOVE:
{
struct rtgui_event_win_move *win = (struct rtgui_event_win_move *)event;
if(win->wid != RT_NULL)
rt_kprintf("win: %s", win->wid->title);
}
break;
case RTGUI_EVENT_WIN_RESIZE:
{
struct rtgui_event_win_resize* win = (struct rtgui_event_win_resize *)event;
if (win->wid != RT_NULL)
{
rt_kprintf("win: %s, rect(x1:%d, y1:%d, x2:%d, y2:%d)", win->wid->title,
RTGUI_WIDGET(win->wid)->extent.x1,
RTGUI_WIDGET(win->wid)->extent.y1,
RTGUI_WIDGET(win->wid)->extent.x2,
RTGUI_WIDGET(win->wid)->extent.y2);
}
}
break;
case RTGUI_EVENT_MOUSE_BUTTON:
case RTGUI_EVENT_MOUSE_MOTION:
{
struct rtgui_event_mouse *mouse = (struct rtgui_event_mouse*)event;
if (mouse->button & RTGUI_MOUSE_BUTTON_LEFT) rt_kprintf("left ");
else rt_kprintf("right ");
if (mouse->button & RTGUI_MOUSE_BUTTON_DOWN) rt_kprintf("down ");
else rt_kprintf("up ");
if (mouse->wid != RT_NULL)
rt_kprintf("win: %s at (%d, %d)", mouse->wid->title,
mouse->x, mouse->y);
else
rt_kprintf("(%d, %d)", mouse->x, mouse->y);
}
break;
case RTGUI_EVENT_MONITOR_ADD:
{
struct rtgui_event_monitor *monitor = (struct rtgui_event_monitor*)event;
if (monitor->panel != RT_NULL)
{
#if 0
rt_kprintf("panel: %s, the rect is:(%d, %d) - (%d, %d)", monitor->panel->name,
monitor->rect.x1, monitor->rect.y1,
monitor->rect.x2, monitor->rect.y2);
#endif
rt_kprintf("the rect is:(%d, %d) - (%d, %d)",
monitor->rect.x1, monitor->rect.y1,
monitor->rect.x2, monitor->rect.y2);
}
else if (monitor->wid != RT_NULL)
{
rt_kprintf("win: %s, the rect is:(%d, %d) - (%d, %d)", monitor->wid->title,
monitor->rect.x1, monitor->rect.y1,
monitor->rect.x2, monitor->rect.y2);
}
}
break;
}
rt_kprintf("\n");
}
#else
#define DBG_MSG(x)
#define rtgui_event_dump(tid, event)
#endif
struct rt_semaphore _rtgui_thread_hash_semaphore;
void rtgui_thread_system_init()
{
rt_sem_init(&_rtgui_thread_hash_semaphore, "rtgui", 1, RT_IPC_FLAG_FIFO);
}
rtgui_thread_t* rtgui_thread_register(rt_thread_t tid, rt_mq_t mq)
{
rtgui_thread_t* thread = rtgui_malloc(sizeof(struct rtgui_thread));
if (thread != RT_NULL)
{
DBG_MSG(("register a rtgui thread: %s, tid: 0x%p\n", tid->name, tid));
/* set tid and mq */
thread->tid = tid;
thread->mq = mq;
thread->widget = RT_NULL;
/* take semaphore */
rt_sem_take(&_rtgui_thread_hash_semaphore, RT_WAITING_FOREVER);
/* set user thread */
tid->user_data = (rt_uint32_t)thread;
/* release semaphore */
rt_sem_release(&_rtgui_thread_hash_semaphore);
}
return thread;
}
void rtgui_thread_deregister(rt_thread_t tid)
{
struct rtgui_thread* thread;
/* find rtgui_thread */
thread = (struct rtgui_thread*) (tid->user_data);
if (thread != RT_NULL)
{
/* take semaphore */
rt_sem_take(&_rtgui_thread_hash_semaphore, RT_WAITING_FOREVER);
/* remove rtgui_thread */
tid->user_data = 0;
/* release semaphore */
rt_sem_release(&_rtgui_thread_hash_semaphore);
/* free rtgui_thread */
rtgui_free(thread);
}
}
extern rt_thread_t rt_thread_find(char* name);
rt_thread_t rtgui_thread_get_server()
{
return rt_thread_find("rtgui");
}
void rtgui_thread_set_widget(struct rtgui_widget* widget)
{
struct rtgui_thread* thread;
/* get rtgui_thread */
thread = (struct rtgui_thread*) (rt_thread_self()->user_data);
if (thread != RT_NULL) thread->widget = widget;
}
struct rtgui_widget* rtgui_thread_get_widget()
{
struct rtgui_thread* thread;
/* get rtgui_thread */
thread = (struct rtgui_thread*) (rt_thread_self()->user_data);
return thread == RT_NULL? RT_NULL : thread->widget;
}
rt_err_t rtgui_thread_send(rt_thread_t tid, rtgui_event_t* event, rt_size_t event_size)
{
struct rtgui_thread* thread;
rtgui_event_dump(tid, event);
/* find rtgui_thread */
thread = (struct rtgui_thread*) (tid->user_data);
if (thread == RT_NULL) return -RT_ERROR;
return rt_mq_send(thread->mq, event, event_size);
}
rt_err_t rtgui_thread_send_urgent(rt_thread_t tid, rtgui_event_t* event, rt_size_t event_size)
{
struct rtgui_thread* thread;
rtgui_event_dump(tid, event);
/* find rtgui_thread */
thread = (struct rtgui_thread*) (tid->user_data);
if (thread == RT_NULL) return -RT_ERROR;
return rt_mq_urgent(thread->mq, event, event_size);
}
rt_err_t rtgui_thread_send_sync(rt_thread_t tid, rtgui_event_t* event, rt_size_t event_size)
{
rt_err_t r;
struct rtgui_thread* thread;
rt_int32_t ack_buffer, ack_status;
struct rt_mailbox ack_mb;
rtgui_event_dump(tid, event);
/* init ack mailbox */
r = rt_mb_init(&ack_mb, "ack", &ack_buffer, 1, 0);
if ( r!= RT_EOK) goto __return;
/* find rtgui_thread */
thread = (struct rtgui_thread*) (tid->user_data);
if (thread == RT_NULL){ r = RT_ERROR; goto __return; }
event->ack = &ack_mb;
r = rt_mq_send(thread->mq, event, event_size);
if (r != RT_EOK) goto __return;
r = rt_mb_recv(&ack_mb, (rt_uint32_t*)&ack_status, RT_WAITING_FOREVER);
if ( r!= RT_EOK) goto __return;
if (ack_status != RTGUI_STATUS_OK) r = -RT_ERROR;
else r = RT_EOK;
/* fini ack mailbox */
rt_mb_detach(&ack_mb);
__return:
return r;
}
rt_err_t rtgui_thread_ack(rtgui_event_t* event, rt_int32_t status)
{
if (event != RT_NULL &&
event->ack != RT_NULL)
{
rt_mb_send(event->ack, status);
}
return RT_EOK;
}
rt_err_t rtgui_thread_recv(rtgui_event_t* event, rt_size_t event_size)
{
struct rtgui_thread* thread;
rt_err_t r;
/* find rtgui_thread */
thread = (struct rtgui_thread*) (rt_thread_self()->user_data);
if (thread == RT_NULL) return -RT_ERROR;
r = rt_mq_recv(thread->mq, event, event_size, RT_WAITING_FOREVER);
return r;
}
rt_err_t rtgui_thread_recv_filter(rt_uint32_t type, rtgui_event_t* event, rt_size_t event_size)
{
struct rtgui_thread* thread;
/* find rtgui_thread */
thread = (struct rtgui_thread*) (rt_thread_self()->user_data);
if (thread == RT_NULL) return -RT_ERROR;
while (rt_mq_recv(thread->mq, event, event_size, RT_WAITING_FOREVER) == RT_EOK)
{
if (event->type == type)
{
return RT_EOK;
}
else
{
/* let widget to handle event */
if (thread->widget != RT_NULL &&
thread->widget->event_handler != RT_NULL)
{
thread->widget->event_handler(thread->widget, event);
}
}
}
return -RT_ERROR;
}
/************************************************************************/
/* RTGUI Timer */
/************************************************************************/
static void rtgui_time_out(void* parameter)
{
rtgui_timer_t* timer;
struct rtgui_event_timer event;
timer = (rtgui_timer_t*)parameter;
/*
* Note: event_timer can not use RTGUI_EVENT_TIMER_INIT to init, for there is no
* thread context
*/
event.parent.type = RTGUI_EVENT_TIMER;
event.parent.sender = RT_NULL;
event.timer = timer;
rtgui_thread_send(timer->tid, &(event.parent), sizeof(struct rtgui_event_timer));
}
rtgui_timer_t* rtgui_timer_create(rt_int32_t time, rt_base_t flag, rtgui_timeout_func timeout, void* parameter)
{
rtgui_timer_t* timer;
timer = (rtgui_timer_t*) rtgui_malloc(sizeof(struct rtgui_timer));
timer->tid = rt_thread_self();
timer->timeout = timeout;
timer->user_data = parameter;
/* init rt-thread timer */
rt_timer_init(&(timer->timer), "rtgui", rtgui_time_out, timer, time, (rt_uint8_t)flag);
return timer;
}
void rtgui_timer_destory(rtgui_timer_t* timer)
{
RT_ASSERT(timer != RT_NULL);
/* stop timer firstly */
rtgui_timer_stop(timer);
/* detach rt-thread timer */
rt_timer_detach(&(timer->timer));
rtgui_free(timer);
}
void rtgui_timer_start(rtgui_timer_t* timer)
{
RT_ASSERT(timer != RT_NULL);
/* start rt-thread timer */
rt_timer_start(&(timer->timer));
}
void rtgui_timer_stop (rtgui_timer_t* timer)
{
RT_ASSERT(timer != RT_NULL);
/* stop rt-thread timer */
rt_timer_stop(&(timer->timer));
}
/************************************************************************/
/* RTGUI Memory Management */
/************************************************************************/
#ifdef RTGUI_MEM_TRACE
struct rtgui_mem_info
{
rt_uint32_t allocated_size;
rt_uint32_t max_allocated;
};
struct rtgui_mem_info mem_info;
#define MEMTRACE_MAX 4096
#define MEMTRACE_HASH_SIZE 256
struct rti_memtrace_item
{
void* mb_ptr; /* memory block pointer */
rt_uint32_t mb_len; /* memory block length */
struct rti_memtrace_item* next;
};
struct rti_memtrace_item trace_list[MEMTRACE_MAX];
struct rti_memtrace_item *item_hash[MEMTRACE_HASH_SIZE];
struct rti_memtrace_item *item_free;
rt_bool_t rti_memtrace_inited = 0;
void rti_memtrace_init()
{
struct rti_memtrace_item *item;
rt_uint32_t index;
rt_memset(trace_list, 0, sizeof(trace_list));
rt_memset(item_hash, 0, sizeof(item_hash));
item_free = &trace_list[0];
item = &trace_list[0];
for (index = 1; index < MEMTRACE_HASH_SIZE; index ++)
{
item->next = &trace_list[index];
item = item->next;
}
item->next = RT_NULL;
}
void rti_malloc_hook(void* ptr, rt_uint32_t len)
{
rt_uint32_t index;
struct rti_memtrace_item* item;
if (item_free == RT_NULL) return;
mem_info.allocated_size += len;
if (mem_info.max_allocated < mem_info.allocated_size)
mem_info.max_allocated = mem_info.allocated_size;
/* lock context */
item = item_free;
item_free = item->next;
item->mb_ptr = ptr;
item->mb_len = len;
item->next = RT_NULL;
/* get hash item index */
index = ((rt_uint32_t)ptr) % MEMTRACE_HASH_SIZE;
if (item_hash[index] != RT_NULL)
{
/* add to list */
item->next = item_hash[index];
item_hash[index] = item;
}
else
{
/* set list header */
item_hash[index] = item;
}
/* unlock context */
}
void rti_free_hook(void* ptr)
{
rt_uint32_t index;
struct rti_memtrace_item *item;
/* get hash item index */
index = ((rt_uint32_t)ptr) % MEMTRACE_HASH_SIZE;
if (item_hash[index] != RT_NULL)
{
item = item_hash[index];
if (item->mb_ptr == ptr)
{
/* delete item from list */
item_hash[index] = item->next;
}
else
{
/* find ptr in list */
while (item->next != RT_NULL && item->next->mb_ptr != ptr)
item = item->next;
/* delete item from list */
if (item->next != RT_NULL)
{
struct rti_memtrace_item* i;
i = item->next;
item->next = item->next->next;
item = i;
}
else
{
/* not found */
return;
}
}
/* reduce allocated size */
mem_info.allocated_size -= item->mb_len;
/* clear item */
rt_memset(item, 0, sizeof(struct rti_memtrace_item));
/* add item to the free list */
item->next = item_free;
item_free = item;
}
}
#endif
void* rtgui_malloc(rt_size_t size)
{
void* ptr;
ptr = rt_malloc(size);
#ifdef RTGUI_MEM_TRACE
if (rti_memtrace_inited == 0)
{
rti_memtrace_init();
rti_memtrace_inited = 1;
}
if (ptr != RT_NULL)
rti_malloc_hook(ptr, size);
#endif
return ptr;
}
void rtgui_free(void* ptr)
{
#ifdef RTGUI_MEM_TRACE
if (ptr != RT_NULL)
rti_free_hook(ptr);
#endif
rt_free(ptr);
}
#if 0
/*
* read/write lock implementation
*/
struct rtgui_rwlock* rtgui_rwlock_create()
{
struct rtgui_rwlock* rwlock;
rwlock = rtgui_malloc(sizeof(struct rtgui_rwlock));
if (rwlock != RT_NULL)
{
rwlock->stat = RTGUI_RWLOCK_UNLOCK;
rwlock->reader_count = 0;
rt_sem_init(&(rwlock->rd_lock), "rwr", 0, RT_IPC_FLAG_FIFO);
rt_sem_init(&(rwlock->wr_lock), "rww", 0, RT_IPC_FLAG_FIFO);
}
return rwlock;
}
rt_err_t rtgui_rwlock_delete(struct rtgui_rwlock* rwlock)
{
RT_ASSERT(rwlock != RT_NULL);
rt_sem_detach(&(rwlock->rd_lock));
rt_sem_detach(&(rwlock->wr_lock));
rtgui_free(rwlock);
return RT_EOK;
}
rt_err_t rtgui_rwlock_read_take(struct rtgui_rwlock* rwlock, rt_int32_t timeout)
{
rt_err_t result;
rt_ubase_t level;
RT_ASSERT(rwlock != RT_NULL);
level = rt_hw_interrupt_disable();
switch (rwlock->stat)
{
case RTGUI_RWLOCK_UNLOCK:
break;
case RTGUI_RWLOCK_READING:
if (rwlock->wr_lock.parent.suspend_thread_count > 0)
{
/* suspend read thread */
result = rt_sem_take(&rwlock->rd_lock, timeout);
if (result != RT_EOK)
{
rt_hw_interrupt_enable(level);
return result;
}
}
break;
case RTGUI_RWLOCK_WRITTING:
/* suspend read thread */
result = rt_sem_take(&(rwlock->rd_lock), timeout);
if (result != RT_EOK)
{
rt_hw_interrupt_enable(level);
return result;
}
break;
}
/* get rwlock */
rwlock->reader_count ++;
rwlock->stat = RTGUI_RWLOCK_READING;
rt_hw_interrupt_enable(level);
}
rt_err_t rtgui_rwlock_write_take(struct rtgui_rwlock* rwlock, rt_int32_t timeout)
{
rt_err_t result;
rt_ubase_t level;
RT_ASSERT(rwlock != RT_NULL);
level = rt_hw_interrupt_disable();
rwlock->stat = RTGUI_RWLOCK_WRITTING;
result = rt_sem_take(&(rwlock->wr_lock), timeout);
if (result != RT_EOK)
{
if (rwlock->wr_lock.parent.suspend_thread_count == 0)
{
if (rwlock->reader_count > 0)
rwlock->stat = RTGUI_RWLOCK_READING;
}
}
rt_hw_interrupt_enable(level);
return result;
}
rt_err_t rtgui_rwlock_read_release(struct rtgui_rwlock* rwlock)
{
rt_ubase_t level;
RT_ASSERT(rwlock != RT_NULL);
level = rt_hw_interrupt_disable();
switch (rwlock->stat)
{
case RTGUI_RWLOCK_UNLOCK:
ASSERT(0);
break;
case RTGUI_RWLOCK_READING:
rwlock->reader_count --;
if (rwlock->reader_count == 0)
rwlock->stat = RTGUI_RWLOCK_UNLOCK;
break;
case RTGUI_RWLOCK_WRITTING:
rwlock->reader_count --;
if (rwlock->reader_count == 0)
{
/* resume write */
rt_sem_release(&(rwlock->wr_lock));
}
break;
}
rt_hw_interrupt_enable(level);
}
rt_err_t rtgui_rwlock_write_release(struct rtgui_rwlock* rwlock)
{
rt_err_t result;
rt_ubase_t level;
RT_ASSERT(rwlock != RT_NULL);
level = rt_hw_interrupt_disable();
result = rt_sem_release(&(rwlock->wr_lock));
if ((result == RT_EOK) && (rwlock->wr_lock.parent.suspend_thread_count == 0))
{
rt_uint32_t index, reader_thread_count;
reader_thread_count = rwlock->rd_lock.parent.suspend_thread_count;
if (reader_thread_count > 0)
{
rwlock->stat = RTGUI_RWLOCK_READING;
/* resume all reader thread */
for (index = 0; index < reader_thread_count; index ++)
{
rt_sem_release(&(rwlock->rd_lock));
}
}
else rwlock->stat = RTGUI_RWLOCK_UNLOCK;
}
rt_hw_interrupt_enable(level);
return result;
}
#endif
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