/*
* 创建一个部件，作为滚动条的容器
* 再创建一个部件，作为滚动条
* 限制滚动条的移动范围
* */
static void
ScrollBar_Init( LCUI_Widget *widget )
{
LCUI_ScrollBar *scrollbar;
scrollbar = WidgetPrivData_New(widget, sizeof(LCUI_ScrollBar));
scrollbar->data.max_num = 100;
scrollbar->data.current_num = 100;
scrollbar->data.max_size = 100;
scrollbar->data.current_size = 100;
scrollbar->direction = 0;
scrollbar->callback_func = NULL;
scrollbar->widget = Widget_New("button");
/* 禁用部件的自动尺寸调整 */
Widget_SetAutoSize( scrollbar->widget, FALSE, 0 );
Widget_Container_Add( widget, scrollbar->widget );
Widget_SetSize( scrollbar->widget, "100%", "100%" );
Widget_LimitPos( scrollbar->widget, Pos(0,0), Pos(0,0) );
Widget_SetBorder( widget,
Border(1, BORDER_STYLE_SOLID, RGB(100,100,100)) );
Widget_SetPadding( widget, Padding(1,1,1,1) );
Widget_SetBackgroundColor( widget, RGB(200,200,200) );
Widget_SetBackgroundTransparent( widget, FALSE );
Widget_Show( scrollbar->widget );
Widget_Event_Connect( scrollbar->widget, EVENT_DRAG, ScrollBar_Drag );
}
static void
ScrollBar_Update( LCUI_Widget *widget )
{
static int pos, max_len;
static double scale;
static char scale_str[256];
LCUI_ScrollBar *scrollbar;
scrollbar = Widget_GetPrivData( widget );
/* 计算比例，之后转换成字符串 */
scale = scrollbar->data.current_size*1.0 / scrollbar->data.max_size;
sprintf( scale_str, "%.2lf%%", scale*100 );
//_DEBUG_MSG("current_num: %d, max_num: %d\n",
//scrollbar->data.current_num, scrollbar->data.max_num);
/* 判断滚动条的方向 */
if( scrollbar->direction == 0 ) { /* 纵向 */
Widget_SetSize( scrollbar->widget, NULL, scale_str );
max_len = Widget_GetContainerHeight( widget );
max_len -= _Widget_GetHeight( scrollbar->widget );
Widget_LimitPos( scrollbar->widget, Pos(0,0), Pos( 0, max_len ) );
scale = scrollbar->data.current_num*1.0 / scrollbar->data.max_num;
pos = scale * max_len;
//_DEBUG_MSG("num: %d / %d\n",
//scrollbar->data.current_num, scrollbar->data.max_num);
//_DEBUG_MSG("ScrollBar_Update(), scale: %.2f\n", scale);
//_DEBUG_MSG("ScrollBar_Update(), y: %d\n", pos);
/* 移动滚动条 */
Widget_Move( scrollbar->widget, Pos(0,pos) );
} else { /* 横向 */
Widget_SetSize( scrollbar->widget, scale_str, NULL );
max_len = Widget_GetContainerWidth( widget );
max_len -= _Widget_GetWidth( scrollbar->widget );
Widget_LimitPos( scrollbar->widget, Pos(0,0), Pos(max_len,0) );
scale = scrollbar->data.current_num*1.0 / scrollbar->data.max_num;
pos = scale * max_len;
//printf("ScrollBar_Update(), num: %d / %d\n",
//scrollbar->data.current_num, scrollbar->data.max_num);
//printf("ScrollBar_Update(), scale: %.2f\n", scale);
//printf("ScrollBar_Update(), x: %d\n", pos);
Widget_Move( scrollbar->widget, Pos(pos, 0) );
}
}
static void CreateGUI( LCUI_Widget *win )
{
/* 创建部件 */
time_box = Widget_New(NULL);
pic_bg = Widget_New(NULL);
pic_l1 = Widget_New(NULL);
pic_l2 = Widget_New(NULL);
pic_c = Widget_New(NULL);
pic_btn = Widget_New(NULL);
pic_btn_line = Widget_New(NULL);
pic_btn = Widget_New(NULL);
pic_r1 = Widget_New(NULL);
pic_r2 = Widget_New(NULL);
date_label = Widget_New("label");
wday_label = Widget_New("label");
/* 设置这些部件的初始背景图 */
Widget_SetBackgroundImage( pic_bg, &img_bg );
Widget_SetBackgroundImage( pic_btn_line, &img_btn_bg );
Widget_SetBackgroundLayout( pic_btn_line, LAYOUT_CENTER );
Widget_SetBackgroundImage( pic_btn, &img_btn );
Widget_SetBackgroundImage( pic_l1, &img_digital[0] );
Widget_SetBackgroundImage( pic_l2, &img_digital[0] );
Widget_SetBackgroundImage( pic_r1, &img_digital[0] );
Widget_SetBackgroundImage( pic_r2, &img_digital[0] );
Widget_SetBackgroundImage( pic_c, &img_dot );
/* 调整尺寸 */
Widget_Resize( time_box, Size(162, 38) );
Widget_Resize( pic_bg, Size(300, 90) );
Widget_Resize( pic_btn_line, Size(245, 66) );
Widget_Resize( pic_btn, Size(46, 66) );
Widget_Resize( pic_l1, Size(33, 36) );
Widget_Resize( pic_l2, Size(33, 36) );
Widget_Resize( pic_c, Size(30, 38) );
Widget_Resize( pic_r1, Size(33, 36) );
Widget_Resize( pic_r2, Size(33, 36) );
/* 调整布局 */
Widget_SetAlign( pic_l1, ALIGN_MIDDLE_CENTER, Pos(-66,0) );
Widget_SetAlign( pic_l2, ALIGN_MIDDLE_CENTER, Pos(-33,0) );
Widget_SetAlign( pic_c, ALIGN_MIDDLE_CENTER, Pos(0,0) );
Widget_SetAlign( pic_r1, ALIGN_MIDDLE_CENTER, Pos(33,0) );
Widget_SetAlign( pic_r2, ALIGN_MIDDLE_CENTER, Pos(66,0) );
Widget_SetAlign( time_box, ALIGN_MIDDLE_CENTER, Pos(0,-50) );
Widget_SetAlign( pic_bg, ALIGN_MIDDLE_CENTER, Pos(0,5) );
Widget_SetAlign(date_label, ALIGN_MIDDLE_CENTER, Pos(0,35-50) );
Widget_SetAlign( wday_label, ALIGN_TOP_CENTER, Pos(0,5) );
Widget_SetAlign( pic_btn_line, ALIGN_BOTTOM_CENTER, Pos(0,-10) );
/* 放入容器 */
Widget_Container_Add( time_box, pic_l1 );
Widget_Container_Add( time_box, pic_l2 );
Widget_Container_Add( time_box, pic_c );
Widget_Container_Add( time_box, pic_r1 );
Widget_Container_Add( time_box, pic_r2 );
Widget_Container_Add( pic_btn_line, pic_btn );
Window_ClientArea_Add( win, pic_bg );
Window_ClientArea_Add( win, time_box );
Window_ClientArea_Add( win, date_label );
Window_ClientArea_Add( win, wday_label );
Window_ClientArea_Add (win, pic_btn_line );
/* 限制移动范围 */
Widget_LimitPos(pic_btn, Pos(0,0), Pos(195,0));
Widget_ConnectEvent(pic_btn, EVENT_DRAG, move_pic_btn);
Widget_Show(pic_bg);
Widget_Show(pic_l1);
Widget_Show(pic_l2);
Widget_Show(pic_c);
Widget_Show(pic_r1);
Widget_Show(pic_r2);
Widget_Show(time_box);
Widget_Show(wday_label);
Widget_Show(date_label);
Widget_Show(pic_btn);
Widget_Show(pic_btn_line);
UpdateTimeView(NULL);
}