static void
Tracking_Mouse_Move (LCUI_MouseEvent *event)
/*
* 功能：跟踪鼠标移动，处理触发的基本事件
* 说明：这只是根据鼠标事件来处理部件状态的切换
* */
{
LCUI_Widget *widget;
/* 获取当前鼠标游标覆盖到的部件的指针 */
widget = Get_Cursor_Overlay_Widget();
if( !widget ) {
goto skip_widget_check;
}
/* 获取能响应状态改变的部件的指针 */
widget = Get_ResponseStatusChange_Widget(widget);
if( !widget || overlay_widget == widget ) {
goto skip_widget_check;
}
if ( widget->enabled ) {
DEBUG_MSG("widget not enabled");
if( !click_widget ) {
DEBUG_MSG("leftbutton is free, widget overlay\n\n");
Set_Widget_Status (widget, WIDGET_STATUS_OVERLAY);
}
} else {
Set_Widget_Status (widget, WIDGET_STATUS_DISABLE);
}
/* 如果之前有覆盖到的部件 */
if (overlay_widget && !click_widget ) {
if ( overlay_widget->enabled ) {
Set_Widget_Status (overlay_widget, WIDGET_STATUS_NORMAL);
} else {
Set_Widget_Status (overlay_widget, WIDGET_STATUS_DISABLE);
}
}
/* 保存当前覆盖到的按钮部件指针 */
overlay_widget = widget;
return;
skip_widget_check:;
/* 如果鼠标指针在之前有覆盖到的部件 */
if( overlay_widget != widget && !click_widget ) {
if ( overlay_widget->enabled ) {
Set_Widget_Status (overlay_widget, WIDGET_STATUS_NORMAL);
} else {
Set_Widget_Status (overlay_widget, WIDGET_STATUS_DISABLE);
}
}
overlay_widget = widget;
/* 如果之前点击过部件，并且现在鼠标左键还处于按下状态，那就处理部件拖动 */
if( click_widget && Mouse_LeftButton (event) == PRESSED
&& Widget_Have_Event( click_widget, EVENT_DRAG ) ) {
_Doing_DragEvent( click_widget, event );
}
}
static void * Handle_TouchScreen_Input ()
/* 功能：处理触屏输入 */
{
char *tsdevice;
struct ts_sample samp;
int button, x, y, ret;
LCUI_MouseEvent event;
char str[100];
while (LCUI_Active()) {
if (LCUI_Sys.ts.status != INSIDE) {
tsdevice = getenv("TSLIB_TSDEVICE");
if( tsdevice != NULL ) {
LCUI_Sys.ts.td = ts_open(tsdevice, 0);
} else {
tsdevice = TS_DEV;
}
LCUI_Sys.ts.td = ts_open (tsdevice, 0);
if (!LCUI_Sys.ts.td) {
sprintf (str, "ts_open: %s", tsdevice);
perror (str);
LCUI_Sys.ts.status = REMOVE;
break;
}
if (ts_config (LCUI_Sys.ts.td)) {
perror ("ts_config");
LCUI_Sys.ts.status = REMOVE;
break;
}
LCUI_Sys.ts.status = INSIDE;
}
/* 开始获取触屏点击处的坐标 */
ret = ts_read (LCUI_Sys.ts.td, &samp, 1);
if (ret < 0) {
perror ("ts_read");
continue;
}
if (ret != 1) {
continue;
}
x = samp.x;
y = samp.y;
if (x > Get_Screen_Width ()) {
x = Get_Screen_Width ();
}
if (y > Get_Screen_Height ()) {
y = Get_Screen_Height ();
}
if (x < 0) {
x = 0;
}
if (y < 0) {
y = 0;
}
/* 设定游标位置 */
Set_Cursor_Pos (Pos(x, y));
event.global_pos.x = x;
event.global_pos.y = y;
/* 获取当前鼠标指针覆盖到的部件的指针 */
event.widget = Get_Cursor_Overlay_Widget();
/* 如果有覆盖到的部件，就需要计算鼠标指针与部件的相对坐标 */
if(event.widget != NULL) {
event.pos.x = x - Get_Widget_Global_Pos(event.widget).x;
event.pos.y = y - Get_Widget_Global_Pos(event.widget).y;
} else {/* 否则，和全局坐标一样 */
event.pos.x = x;
event.pos.y = y;
}
if (samp.pressure > 0) {
button = 1;
} else {
button = 0;
}
/* 处理鼠标事件 */
Handle_Mouse_Event(button, &event);
//printf("%ld.%06ld: %6d %6d %6d\n", samp.tv.tv_sec, samp.tv.tv_usec, samp.x, samp.y, samp.pressure);
}
if(LCUI_Sys.ts.status == INSIDE) {
ts_close(LCUI_Sys.ts.td);
}
LCUI_Sys.ts.status = REMOVE;
thread_exit (NULL);
}