/*
* 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 );
}
/* 初始化按钮部件的数据 */
static void
Button_Init( LCUI_Widget *widget )
{
int valid_state;
LCUI_Button *button;
button = WidgetPrivData_New(widget, sizeof(LCUI_Button));
/* 初始化图像数据 */
Graph_Init(&button->btn_disable);
Graph_Init(&button->btn_normal);
Graph_Init(&button->btn_focus);
Graph_Init(&button->btn_down);
Graph_Init(&button->btn_over);
valid_state = (WIDGET_STATE_NORMAL | WIDGET_STATE_ACTIVE);
valid_state |= (WIDGET_STATE_DISABLE | WIDGET_STATE_OVERLAY);
Widget_SetValidState( widget, valid_state );
button->label = Widget_New("label");/* 创建label部件 */
/* 将按钮部件作为label部件的容器 */
Widget_Container_Add(widget, button->label);
/* label部件居中显示 */
Widget_SetAlign(button->label, ALIGN_MIDDLE_CENTER, Pos(0,0));
Widget_Show(button->label); /* 显示label部件 */
/* 启用自动尺寸调整，以适应内容 */
Widget_SetAutoSize( widget, TRUE, AUTOSIZE_MODE_GROW_AND_SHRINK);
Widget_SetStyleID( widget, BUTTON_STYLE_DEFAULT );
/* 关联EVENT_FOCUSOUT事件，以在按钮失去焦点时重绘按钮 */
Widget_Event_Connect( widget, EVENT_FOCUSOUT, Button_ProcFocusOut );
}
static void
ActiveBox_Init(LCUI_Widget *widget)
/* 功能：初始化ActiveBox部件 */
{
LCUI_ActiveBox *actbox;
actbox = WidgetPrivData_New(widget, sizeof(LCUI_ActiveBox));
actbox->frames = Create_Frames(Size(50,50));
Frames_AddFunc( actbox->frames, ActiveBox_RefreshFrame, widget );
}
static void
TextBox_Init( LCUI_Widget *widget )
/* 初始化文本框相关数据 */
{
LCUI_TextBox *textbox;
widget->valid_state = WIDGET_STATE_ACTIVE | WIDGET_STATE_OVERLAY;
widget->valid_state |= (WIDGET_STATE_NORMAL | WIDGET_STATE_DISABLE);
textbox = WidgetPrivData_New(widget, sizeof(LCUI_TextBox));
textbox->text = Widget_New( "label" );
textbox->cursor = Widget_New( NULL );
textbox->scrollbar[0] = Widget_New( "scrollbar" );
textbox->scrollbar[1] = Widget_New( "scrollbar" );
/* 不可获得焦点 */
textbox->text->focus = FALSE;
textbox->cursor->focus = FALSE;
textbox->scrollbar[0]->focus = FALSE;
textbox->scrollbar[1]->focus = FALSE;
textbox->limit_mode = 0;
textbox->block_size = 256;
textbox->show_placeholder = FALSE;
LCUIWString_Init( &textbox->placeholder );
TextStyle_Init( &textbox->placeholder_style );
TextStyle_FontColor( &textbox->placeholder_style, RGB(100,100,100) );
Label_AutoSize( textbox->text, FALSE, 0 );
Widget_SetSize( textbox->text, "100%", "100%" );
/* 添加至相应的容器 */
Widget_Container_Add( textbox->text, textbox->cursor );
Widget_Container_Add( widget, textbox->text );
Widget_Container_Add( widget, textbox->scrollbar[0] );
Widget_Container_Add( widget, textbox->scrollbar[1] );
/* 设置滚动条的尺寸 */
Widget_SetSize( textbox->scrollbar[0], "10px", NULL );
Widget_SetSize( textbox->scrollbar[1], NULL, "10px" );
Widget_SetAlign( textbox->scrollbar[0], ALIGN_TOP_RIGHT, Pos(0,0) );
Widget_SetAlign( textbox->scrollbar[1], ALIGN_BOTTOM_LEFT, Pos(0,0) );
/* 滚动条设为横向 */
ScrollBar_SetDirection( textbox->scrollbar[1], 1 );
/* 将回调函数与滚动条连接 */
ScrollBar_Connect( textbox->scrollbar[0], TextBox_TextLayer_VertScroll, widget );
ScrollBar_Connect( textbox->scrollbar[1], TextBox_HoriScroll_TextLayer, widget );
Widget_Show( textbox->text );
Queue_Init( &textbox->text_block_buff, sizeof(LCUI_TextBlock), destroy_textblock );
TextLayer_UsingStyleTags( Label_GetTextLayer(textbox->text), FALSE );
Widget_SetPadding( widget, Padding(2,2,2,2) );
Widget_SetBackgroundColor( textbox->cursor, RGB(0,0,0) );
Widget_SetBackgroundTransparent( textbox->cursor, FALSE );
Widget_SetBackgroundTransparent( widget, FALSE );
Widget_Resize( textbox->cursor, Size(1, 14) );
/* 设置可点击区域的alpha值要满足的条件 */
Set_Widget_ClickableAlpha( textbox->cursor, 0, 1 );
Set_Widget_ClickableAlpha( textbox->text, 0, 1 );
/* 设定定时器，每1秒闪烁一次 */
if( __timer_id == -1 ) {
__timer_id = set_timer( 500, blink_cursor, TRUE );
}
Widget_Event_Connect( widget, EVENT_DRAG, TextBox_TextLayer_Click );
/* 关联 FOCUS_OUT 和 FOCUS_IN 事件 */
Widget_Event_Connect( widget, EVENT_FOCUSOUT, _putout_textbox_cursor );
Widget_Event_Connect( widget, EVENT_FOCUSIN, _putin_textbox_cursor );
/* 关联按键输入事件 */
Widget_Event_Connect( widget, EVENT_KEYBOARD, TextBox_Input );
/* 默认不启用多行文本模式 */
TextBox_Multiline( widget, FALSE );
}