TextLayer_Init( LCUI_TextLayer *layer )
/* 初始化文本图层相关数据 */
{
layer->read_only = FALSE;
layer->using_code_mode = FALSE;
layer->using_style_tags = FALSE;
layer->enable_word_wrap = FALSE;
layer->enable_multiline = FALSE;
layer->need_proc_buff = FALSE;
layer->need_scroll_layer = FALSE;
layer->have_select = FALSE;
layer->start = 0;
layer->end = 0;
layer->offset_pos = Pos(0,0);
layer->old_offset_pos = Pos(0,0);
Queue_Init( &layer->color_keyword, sizeof(Special_KeyWord), Destroy_Special_KeyWord );
/* 队列中使用链表储存这些数据 */
Queue_Init( &layer->text_source_data, sizeof(LCUI_CharData), Destroy_CharData );
Queue_SetDataMode( &layer->text_source_data, QUEUE_DATA_MODE_LINKED_LIST );
Queue_Init( &layer->rows_data, sizeof(Text_RowData), Destroy_Text_RowData );
StyleTag_Init( &layer->tag_buff );
Queue_Init( &layer->style_data, sizeof(LCUI_TextStyle), NULL );
RectQueue_Init( &layer->clear_area );
/* 初始化屏蔽符的数据 */
layer->password_char.display = TRUE;
layer->password_char.need_update = FALSE;
layer->password_char.data = NULL;
layer->password_char.char_code = 0;
layer->password_char.bitmap = NULL;
layer->default_data.pixel_size = 12;
layer->current_src_pos = 0;
layer->current_des_pos = Pos(0,0);
layer->max_text_len = 512000;
TextStyle_Init ( &layer->default_data );
LCUIWString_Init( &layer->text_buff );
//TextLayer_Text_Add_NewRow ( layer );/* 添加新行 */
}
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 );
}
