void FrameControl_Pause( FrameControl ctx, LCUI_BOOL need_pause )
{
if( ctx->state == STATE_RUN && need_pause ) {
LCUIMutex_Lock( &ctx->mutex );
ctx->state = STATE_PAUSE;
LCUICond_Signal( &ctx->cond );
LCUIMutex_Unlock( &ctx->mutex );
} else if( ctx->state == STATE_PAUSE && !need_pause ) {
LCUIMutex_Lock( &ctx->mutex );
ctx->state = STATE_RUN;
LCUICond_Signal( &ctx->cond );
LCUIMutex_Unlock( &ctx->mutex );
}
}
void StepTimer_Pause( StepTimer timer, LCUI_BOOL need_pause )
{
if( timer->state == STATE_RUN && need_pause ) {
LCUIMutex_Lock( &timer->mutex );
timer->state = STATE_PAUSE;
LCUICond_Signal( &timer->cond );
LCUIMutex_Unlock( &timer->mutex );
} else if( timer->state == STATE_PAUSE && !need_pause ) {
LCUIMutex_Lock( &timer->mutex );
timer->state = STATE_RUN;
LCUICond_Signal( &timer->cond );
LCUIMutex_Unlock( &timer->mutex );
}
}
/** 暂停数据帧的更新 */
void FrameControl_Pause( FrameCtrlCtx ctx, LCUI_BOOL need_pause )
{
if( ctx->state == FRAME_CTRL_STATE_RUN && need_pause ) {
LCUIMutex_Lock( &ctx->mutex );
ctx->state = FRAME_CTRL_STATE_PAUSE;
LCUICond_Signal( &ctx->wait_pause );
LCUIMutex_Unlock( &ctx->mutex );
}
else if( ctx->state == FRAME_CTRL_STATE_PAUSE && !need_pause ){
LCUIMutex_Lock( &ctx->mutex );
ctx->state = FRAME_CTRL_STATE_RUN;
LCUICond_Signal( &ctx->wait_continue );
LCUIMutex_Unlock( &ctx->mutex );
}
}
LCUI_API void Graph_Free( LCUI_Graph *pic )
{
LCUI_Graph *p;
if( pic && pic->quote ) {
pic->src = NULL;
pic->quote = FALSE;
return;
}
p = Graph_GetQuote( pic );
if( !Graph_IsValid(p)) {
return;
}
LCUIMutex_Lock( &p->mutex );
free( p->rgba[0] );
free( p->rgba[1] );
free( p->rgba[2] );
if( p->color_type == COLOR_TYPE_RGBA ) {
free( p->rgba[3] );
}
free( p->rgba );
p->rgba = NULL;
p->w = 0;
p->h = 0;
LCUIMutex_Unlock( &p->mutex );
LCUIMutex_Destroy( &pic->mutex );
}
/** 添加已被按下的按键 */
void LCUIKeyboard_HitKey(int key_code)
{
clock_t ct;
KeyStateNode node;
LCUIMutex_Lock(&self.mutex);
ct = clock() * 1000 / CLOCKS_PER_SEC;
node = RBTree_GetData(&self.state_tree, key_code);
if (!node) {
node = NEW(KeyStateNodeRec, 1);
node->interval_time = -1;
node->hit_time = ct;
node->state = LCUI_KSTATE_PRESSED;
RBTree_Insert(&self.state_tree, key_code, node);
LCUIMutex_Unlock(&self.mutex);
return;
}
if (node->state == LCUI_KSTATE_RELEASE) {
node->state = LCUI_KSTATE_PRESSED;
/* 记录与上次此键被按下时的时间间隔 */
node->interval_time = ct - node->hit_time;
/* 记录本次此键被按下时的时间 */
node->hit_time = ct;
}
LCUIMutex_Unlock(&self.mutex);
}
/** 添加已被按下的按键 */
void LCUIKeyBoard_HitKey( int key_code )
{
clock_t ct;
key_state data, *data_ptr;
LCUIMutex_Lock( &record_mutex );
ct = clock()*1000 / CLOCKS_PER_SEC;
data_ptr = KeyStateRecord_FindData( key_code );
if( !data_ptr ) {
data.key_code = key_code;
data.interval_time = -1;
data.hit_time = ct;
data.state = LCUIKEYSTATE_PRESSED;
LinkedList_AddDataCopy( &key_state_record, &data );
LCUIMutex_Unlock( &record_mutex );
return;
}
if( data_ptr->state == LCUIKEYSTATE_RELEASE ) {
data_ptr->state = LCUIKEYSTATE_PRESSED;
/* 记录与上次此键被按下时的时间间隔 */
data_ptr->interval_time = ct - data_ptr->hit_time;
/* 记录本次此键被按下时的时间 */
data_ptr->hit_time = ct;
}
LCUIMutex_Unlock( &record_mutex );
}
static void TestWorker_Send( TestWorker worker, const char *data )
{
LCUIMutex_Lock( &worker->mutex );
strcpy( worker->data, data );
LCUICond_Signal( &worker->cond );
LCUIMutex_Unlock( &worker->mutex );
}
/** 设备处理线程 */
static void DeviceThread( void *arg )
{
DeviceData *data_ptr;
int n, i, timeout_count = 0;
is_running = TRUE;
while( is_running ) {
LCUIMutex_Lock( &list_mutex );
n = LinkedList_GetTotal( &dev_list );
for( i=0; i<n; ++i ) {
data_ptr = (DeviceData*)LinkedList_Get( &dev_list );
if( !data_ptr || !data_ptr->proc ) {
continue;
}
if( data_ptr->proc() ) {
++timeout_count;
}
}
LCUIMutex_Unlock( &list_mutex );
if( timeout_count > 20 ) {
LCUI_MSleep( 10 );
timeout_count = 0;
}
LCUI_MSleep( 5 );
}
LCUIThread_Exit(NULL);
}
static int LCUI_RunTask(void)
{
LCUI_Task *task, task_bak;
LCUIMutex_Lock( &MainApp.task_run_mutex );
LCUIMutex_Lock( &MainApp.task_list_mutex );
task = (LCUI_Task*)LinkedList_Get( &MainApp.task_list );
if( !task ) {
LCUIMutex_Unlock( &MainApp.task_list_mutex );
LCUIMutex_Unlock( &MainApp.task_run_mutex );
return -1;
}
if( !task->func ) {
LinkedList_Delete( &MainApp.task_list );
LCUIMutex_Unlock( &MainApp.task_list_mutex );
LCUIMutex_Unlock( &MainApp.task_run_mutex );
return -2;
}
/* 备份该任务数据 */
task_bak = *task;
/* 重置数据 */
task->func = NULL;
task->arg[0] = NULL;
task->arg[1] = NULL;
task->destroy_arg[0] = FALSE;
task->destroy_arg[1] = FALSE;
/* 删除之 */
LinkedList_Delete( &MainApp.task_list );
/* 解锁，现在的任务数据已经与任务列表独立开了 */
LCUIMutex_Unlock( &MainApp.task_list_mutex );
/* 调用函数指针指向的函数，并传递参数 */
task_bak.func( task_bak.arg[0], task_bak.arg[1] );
/* 若需要在调用回调函数后销毁参数 */
if( task_bak.destroy_arg[0] && task_bak.arg[0] ) {
if( task_bak.destroy_func[0] ) {
task_bak.destroy_func[0]( task_bak.arg[0] );
}
free( task_bak.arg[0] );
}
if( task_bak.destroy_arg[1] && task_bak.arg[1] ) {
if( task_bak.destroy_func[1] ) {
task_bak.destroy_func[1]( task_bak.arg[1] );
}
free( task_bak.arg[1] );
}
LCUIMutex_Unlock( &MainApp.task_run_mutex );
return 0;
}
/** 标记指定键值的按键已释放 */
void LCUIKeyboard_ReleaseKey(int key_code)
{
KeyStateNode node;
LCUIMutex_Lock(&self.mutex);
node = RBTree_GetData(&self.state_tree, key_code);
if (node) {
node->state = LCUI_KSTATE_RELEASE;
}
LCUIMutex_Unlock(&self.mutex);
}
void LCUIWorker_PostTask( LCUI_Worker worker, LCUI_Task task )
{
LCUI_Task newtask;
newtask = NEW( LCUI_TaskRec, 1 );
*newtask = *task;
LCUIMutex_Lock( &worker->mutex );
LinkedList_Append( &worker->tasks, newtask );
LCUICond_Signal( &worker->cond );
LCUIMutex_Unlock( &worker->mutex );
}
/** 标记指定键值的按键已释放 */
void LCUIKeyBoard_ReleaseKey( int key_code )
{
key_state *data_ptr;
LCUIMutex_Lock( &record_mutex );
data_ptr = KeyStateRecord_FindData( key_code );
if( data_ptr ) {
data_ptr->state = LCUIKEYSTATE_RELEASE;
}
LCUIMutex_Unlock( &record_mutex );
}
static void TestWorker_Destroy( TestWorker worker )
{
LCUIMutex_Lock( &worker->mutex );
worker->active = FALSE;
LCUICond_Signal( &worker->cond );
LCUIMutex_Unlock( &worker->mutex );
LCUIThread_Join( worker->thread, NULL );
LCUIMutex_Destroy( &worker->mutex );
LCUICond_Destroy( &worker->cond );
}
/** 添加任务 */
int LCUI_AddTask( LCUI_Task *task )
{
LCUIMutex_Lock( &MainApp.task_list_mutex );
if( !LinkedList_AppendCopy( &MainApp.task_list, task ) ) {
LCUIMutex_Unlock( &MainApp.task_list_mutex );
return -2;
}
LCUIMutex_Unlock( &MainApp.task_list_mutex );
LCUICond_Broadcast( &MainApp.loop_cond );
return 0;
}
/** 检测指定键值的按键是否处于按下状态 */
LCUI_BOOL LCUIKey_IsHit( int key_code )
{
KeyState *state_ptr;
LCUIMutex_Lock( &record_mutex );
state_ptr = GetKeySate( key_code );
LCUIMutex_Unlock( &record_mutex );
if( state_ptr && state_ptr->state == LCUIKEYSTATE_PRESSED ) {
return TRUE;
}
return FALSE;
}
/** 检测指定键值的按键是否处于按下状态 */
LCUI_BOOL LCUIKey_IsHit( int key_code )
{
key_state *data_ptr;
LCUIMutex_Lock( &record_mutex );
data_ptr = KeyStateRecord_FindData( key_code );
LCUIMutex_Unlock( &record_mutex );
if( data_ptr && data_ptr->state == LCUIKEYSTATE_PRESSED ) {
return TRUE;
}
return FALSE;
}
/** 检测指定键值的按键是否处于按下状态 */
LCUI_BOOL LCUIKeyboard_IsHit(int key_code)
{
KeyStateNode node;
LCUIMutex_Lock(&self.mutex);
node = RBTree_GetData(&self.state_tree, key_code);
LCUIMutex_Unlock(&self.mutex);
if (node && node->state == LCUI_KSTATE_PRESSED) {
return TRUE;
}
return FALSE;
}
/** LCUI的图形显示处理线程 */
static void LCUIDisplay_Thread( void *unused )
{
while( LCUI_IsActive() && display.is_working ) {
LCUICursor_UpdatePos(); /* 更新鼠标位置 */
LCUIWidget_StepTask(); /* 处理所有部件任务 */
LCUIMutex_Lock( &display.mutex );
LCUIDisplay_Update();
LCUIMutex_Unlock( &display.mutex );
/* 让本帧停留一段时间 */
FrameControl_Remain( display.fc_ctx );
}
LCUIThread_Exit(NULL);
}
void FrameControl_Remain( FrameControl ctx )
{
int64_t current_time;
unsigned int n_ms, lost_ms;
if( ctx->state == STATE_QUIT ) {
return;
}
lost_ms = 0;
current_time = LCUI_GetTime();
LCUIMutex_Lock( &ctx->mutex );
n_ms = (unsigned int)(current_time - ctx->prev_frame_start_time);
if( n_ms > ctx->one_frame_remain_time ) {
goto normal_exit;
}
n_ms = ctx->one_frame_remain_time - n_ms;
if( n_ms < 1 ) {
goto normal_exit;
}
/* 睡眠一段时间 */
while( lost_ms < n_ms && ctx->state == STATE_RUN ) {
LCUICond_TimedWait( &ctx->cond, &ctx->mutex, n_ms - lost_ms );
lost_ms = (unsigned int)LCUI_GetTimeDelta( current_time );
}
/* 睡眠结束后，如果当前状态为 PAUSE，则说明睡眠是因为要暂停而终止的 */
if( ctx->state == STATE_PAUSE ) {
current_time = LCUI_GetTime();
/* 等待状态改为“继续” */
while( ctx->state == STATE_PAUSE ) {
LCUICond_Wait( &ctx->cond, &ctx->mutex );
}
lost_ms = (unsigned int)LCUI_GetTimeDelta( current_time );
ctx->pause_time = lost_ms;
ctx->prev_frame_start_time += lost_ms;
LCUIMutex_Unlock( &ctx->mutex );
return;
}
normal_exit:;
current_time = LCUI_GetTime();
if( current_time - ctx->prev_fps_update_time >= 1000 ) {
ctx->current_fps = ctx->temp_fps;
ctx->prev_fps_update_time = current_time;
ctx->temp_fps = 0;
}
ctx->prev_frame_start_time = current_time;
++ctx->temp_fps;
LCUIMutex_Unlock( &ctx->mutex );
}
static void TestWorker_Thread( void *arg )
{
TestWorker worker = arg;
worker->active = TRUE;
worker->data_count = 0;
LCUIMutex_Lock( &worker->mutex );
while( worker->active ) {
TEST_LOG( "waiting...\n" );
LCUICond_Wait( &worker->cond, &worker->mutex );
TEST_LOG( "get data: %s\n", worker->data );
worker->data_count += 1;
}
LCUIMutex_Unlock( &worker->mutex );
TEST_LOG( "count: %lu\n", worker->data_count );
}
/** 新建帧数控制实例 */
FrameCtrlCtx FrameControl_Create( void )
{
FrameCtrlCtx ctx;
ctx = (FrameCtrlCtx)malloc(sizeof(struct FrameControlContext));
ctx->temp_fps = 0;
ctx->current_fps = 0;
ctx->pause_time = 0;
ctx->one_frame_remain_time = 10;
ctx->prev_frame_start_time = LCUI_GetTickCount();
ctx->prev_fps_update_time = LCUI_GetTickCount();
LCUICond_Init( &ctx->wait_continue );
LCUICond_Init( &ctx->wait_pause );
LCUIMutex_Init( &ctx->mutex );
LCUIMutex_Lock( &ctx->mutex );
return ctx;
}
/* 添加键盘的按键按下事件 */
void LCUI_PostKeyDownEvent( int key_code )
{
key_state *data_ptr;
LCUI_SystemEvent event;
LCUIMutex_Lock( &record_mutex );
data_ptr = KeyStateRecord_FindData( key_code );
LCUIMutex_Unlock( &record_mutex );
/* 已经按下过的按键就不用再触发KEYDOWN事件了 */
if( data_ptr && data_ptr->state == LCUIKEYSTATE_PRESSED ) {
return;
}
event.type = LCUI_KEYDOWN;
event.which = key_code;
LCUIKeyBoard_HitKey( key_code );
LCUI_PostEvent( "keydown", &event );
}
void LCUIWorker_Destroy( LCUI_Worker worker )
{
if( worker->thread != 0 ) {
LOG( "[worker] worker %u is stopping...\n", worker->thread );
LCUIMutex_Lock( &worker->mutex );
worker->active = FALSE;
LCUICond_Signal( &worker->cond );
LCUIMutex_Unlock( &worker->mutex );
LCUIThread_Join( worker->thread, NULL );
LOG( "[worker] worker %u has stopped\n", worker->thread );
worker->thread = 0;
}
LCUIMutex_Destroy( &worker->mutex );
LCUICond_Destroy( &worker->cond );
LinkedList_Clear( &worker->tasks, OnDeleteTask );
free( worker );
}
LCUI_BOOL LCUIWorker_RunTask( LCUI_Worker worker )
{
LCUI_Task task;
LinkedListNode *node;
LCUIMutex_Lock( &worker->mutex );
node = LinkedList_GetNode( &worker->tasks, 0 );
if( node ) {
task = node->data;
LinkedList_Unlink( &worker->tasks, node );
LCUIMutex_Unlock( &worker->mutex );
LCUITask_Run( task );
LCUITask_Destroy( task );
free( task );
free( node );
return TRUE;
}
LCUIMutex_Unlock( &worker->mutex );
return FALSE;
}
/** 停用设备处理模块 */
void LCUIModule_Device_End(void)
{
int n, i;
DeviceData *data_ptr;
LCUIMutex_Lock( &list_mutex );
n = LinkedList_GetTotal( &dev_list );
for( i=0; i<n; ++i ) {
data_ptr = (DeviceData*)LinkedList_Get( &dev_list );
if( !data_ptr ) {
break;
}
if( data_ptr->exit ) {
data_ptr->exit();
}
LinkedList_ToNext( &dev_list );
}
LCUIMutex_Unlock( &list_mutex );
}
/**
* 功能：注册设备
* 说明：为指定设备添加处理函数
* */
int LCUIDevice_Add( LCUI_BOOL (*init)(void),
LCUI_BOOL (*proc)(void),
LCUI_BOOL (*exit)(void) )
{
DeviceData device, *p;
device.init = init;
device.proc = proc;
device.exit = exit;
LCUIMutex_Lock( &list_mutex );
p = (DeviceData*)LinkedList_AddDataCopy( &dev_list, &device );
LCUIMutex_Unlock( &list_mutex );
if( !p ) {
return -1;
}
if( device.init ) {
device.init();
}
return 0;
}
/** 计时阻塞当前线程，等待条件成立 */
int LCUICond_TimedWait( LCUI_Cond *cond, LCUI_Mutex *mutex, unsigned int ms )
{
int ret;
LCUIMutex_Unlock( mutex );
ret = WaitForSingleObject( *cond, ms );
switch( ret ) {
case WAIT_TIMEOUT:
ret = ETIMEDOUT;
break;
case WAIT_OBJECT_0:
ret = 0;
break;
case WAIT_FAILED:
default:
ret = GetLastError();
break;
}
LCUIMutex_Lock( mutex );
return ret;
}
/* 设置呈现模式 */
int LCUIDisplay_SetMode( int mode )
{
int ret;
DEBUG_MSG("mode: %d\n", mode);
LCUIMutex_Lock( &display.mutex );
switch( mode ) {
case LCDM_WINDOWED:
ret = LCUIDisplay_Windowed();
break;
case LCDM_SEAMLESS:
ret = LCUIDisplay_Seamless();
break;
case LCDM_FULLSCREEN:
default:
ret = LCUIDisplay_FullScreen();
break;
}
LCUIMutex_Unlock( &display.mutex );
return ret;
}
/** 从程序任务队列中删除有指定回调函数的任务 */
int LCUI_RemoveTask( CallBackFunc task_func, LCUI_BOOL need_lock )
{
int n;
LCUI_Task *exist_task;
if( need_lock ) {
LCUIMutex_Lock( &MainApp.task_list_mutex );
}
n = LinkedList_GetTotal( &MainApp.task_list );
for ( ; n>0; --n ) {
exist_task = (LCUI_Task*)LinkedList_Get( &MainApp.task_list );
if( exist_task && exist_task->func == task_func ) {
LinkedList_Delete( &MainApp.task_list );
} else {
LinkedList_ToNext( &MainApp.task_list );
}
}
if( need_lock ) {
LCUIMutex_Unlock( &MainApp.task_list_mutex );
}
return n;
}
/**
检测指定键值的按键是否按了两次
@param key_code
要检测的按键的键值
@param interval_time
该按键倒数第二次按下时的时间与当前时间的最大间隔
*/
LCUI_BOOL LCUIKey_IsDoubleHit( int key_code, int interval_time )
{
clock_t ct;
key_state* data_ptr;
/* 计算当前时间（单位：毫秒） */
ct = clock()*1000 / CLOCKS_PER_SEC;
LCUIMutex_Lock( &record_mutex );
data_ptr = KeyStateRecord_FindData( key_code );
LCUIMutex_Unlock( &record_mutex );
if( !data_ptr ) {
return FALSE;
}
/* 间隔时间为-1，说明该键是新记录的 */
if( data_ptr->interval_time == -1 ) {
return FALSE;
}
ct -= (data_ptr->hit_time - data_ptr->interval_time);
/* 判断按键被按下两次时是否在距当前interval_time毫秒的时间内发生 */
if( ct <= interval_time ) {
return TRUE;
}
return FALSE;
}