int main(int argc, char*argv[])
{
FILE *fp;
char buff[256];
LCUI_Widget *window, *textbox;
LCUI_Init(argc, argv);
window = Create_Widget("window");
textbox = Create_Widget("text_box");
Set_Window_Title_Text(window, "测试文本框部件");
window->resize( window, Size(320, 240) );
Window_Client_Area_Add( window, textbox );
/* 启用多行文本显示 */
TextBox_Multiline( textbox, TRUE );
textbox->set_align( textbox, ALIGN_MIDDLE_CENTER, Pos(0,0) );
/* 打开README.md文件，并将内容读取至文本框上显示 */
fp = fopen("../README.md", "r");
if( fp ) {
while(fgets( buff, sizeof(buff), fp )) {
TextBox_Text_Append( textbox, buff );
}
fclose( fp );
}
Set_Widget_Dock( textbox, DOCK_TYPE_FILL );
textbox->show(textbox);
window->show(window);
return LCUI_Main();
}
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 );
}
static void
TextBox_Init( LCUI_Widget *widget )
/* 初始化文本框相关数据 */
{
LCUI_TextBox *textbox;
textbox = Widget_Create_PrivData(widget, sizeof(LCUI_TextBox));
textbox->text = Create_Widget( "label" );
textbox->cursor = Create_Widget( NULL );
textbox->scrollbar[0] = Create_Widget( "scrollbar" );
textbox->scrollbar[1] = Create_Widget( "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;
Label_AutoSize( textbox->text, FALSE, 0 );
Set_Widget_Size( 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 */
Set_Widget_Size( textbox->scrollbar[0], "10px", NULL );
Set_Widget_Size( textbox->scrollbar[1], NULL, "10px" );
Set_Widget_Align( textbox->scrollbar[0], ALIGN_TOP_RIGHT, Pos(0,0) );
Set_Widget_Align( textbox->scrollbar[1], ALIGN_BOTTOM_LEFT, Pos(0,0) );
/* 滚动条设为横向 */
ScrollBar_Set_Direction( textbox->scrollbar[1], 1 );
/* 将回调函数与滚动条连接 */
ScrollBar_Connect( textbox->scrollbar[0], TextBox_VertScroll_TextLayer, widget );
ScrollBar_Connect( textbox->scrollbar[1], TextBox_HoriScroll_TextLayer, widget );
Show_Widget( textbox->text );
Queue_Init( &textbox->text_block_buff, sizeof(LCUI_TextBlock), destroy_textblock );
TextLayer_Using_StyleTags( Label_Get_TextLayer(textbox->text), FALSE );
Set_Widget_Padding( widget, Padding(2,2,2,2) );
Set_Widget_Backcolor( textbox->cursor, RGB(0,0,0) );
Set_Widget_BG_Mode( textbox->cursor, BG_MODE_FILL_BACKCOLOR );
Resize_Widget( 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_Drag_Event_Connect( widget, TextBox_TextLayer_Click );
/* 关联 FOCUS_OUT 和 FOCUS_IN 事件 */
Widget_FocusOut_Event_Connect( widget, hide_textbox_cursor, NULL );
Widget_FocusIn_Event_Connect( widget, _put_textbox_cursor, NULL );
/* 关联按键输入事件 */
Widget_Keyboard_Event_Connect( widget, TextBox_Input );
/* 默认不启用多行文本模式 */
TextBox_Multiline( widget, FALSE );
}
