/* 初始化window部件相关数据 */
static void
Window_Init( LCUI_Widget *win_p )
{
LCUI_Widget *titlebar;
LCUI_Widget *client_area;
LCUI_Widget *btn_close;
LCUI_Window *win;
static LCUI_Graph btn_bg;
win = (LCUI_Window*)Widget_NewPrivData(win_p, sizeof(LCUI_Window));
titlebar = Widget_New("titlebar");
client_area = Widget_New(NULL);
btn_close = Widget_New("button");
titlebar->focus = FALSE;
Widget_SetFocus( client_area );
Graph_Init( &btn_bg );
/* 载入按钮背景 */
Window_GetCloseButtonBG( &btn_bg );
/* 显示在左上角 */
Widget_SetAlign(btn_close, ALIGN_TOP_RIGHT, Pos(0, 0));
/* 将尺寸改成和图片一样 */
Widget_SetAutoSize( btn_close, FALSE, 0 );
Widget_Resize(btn_close, Size(44, 20));
Widget_SetBackgroundImage( btn_close, &btn_bg );
Widget_SetBackgroundLayout( btn_close, LAYOUT_CENTER );
/* 没有背景图就填充背景色 */
Widget_SetBackgroundTransparent( win_p, FALSE );
/* 部件的风格ID */
Widget_SetStyleID( win_p, WINDOW_STYLE_PURE_BLUE );
Widget_SetStyleID( btn_close, BUTTON_STYLE_FLAT );
/* 保存部件指针 */
win->client_area = client_area;
win->titlebar = titlebar;
win->btn_close = btn_close;
/* 放入至容器 */
Widget_Container_Add(titlebar, btn_close);
Widget_Container_Add(win_p, titlebar);
Widget_Container_Add(win_p, client_area);
/* 窗口初始尺寸 */
Widget_Resize(win_p, Size(100, 50));
Widget_Show(btn_close);
/* 关联拖动事件，让鼠标能够拖动标题栏并使窗口移动 */
Widget_Event_Connect(titlebar, EVENT_DRAG, Window_ExecMove );
/*
* 由于需要在窗口获得/失去焦点时进行相关处理，因此需要将回调函数 与部件
* 的FOCUS_IN和FOCUS_OUT事件 进行关联
* */
Widget_Event_Connect( win_p, EVENT_FOCUSOUT, Window_FocusOut );
Widget_Event_Connect( win_p, EVENT_FOCUSIN, Window_FocusIn );
/* 设置窗口部件的初始位置 */
Widget_SetAlign( win_p, ALIGN_MIDDLE_CENTER, Pos(0,0) );
}
/**
* 功能：为部件设置焦点
* 说明：上个获得焦点的部件会得到EVENT_FOCUSOUT事件，而当前获得焦点的部件会得到
* EVENT_FOCUSIN事件。
* */
LCUI_API LCUI_BOOL Widget_SetFocus( LCUI_Widget *widget )
{
LCUI_Widget **focus_widget;
LCUI_WidgetEvent event;
if( widget ) {
/* 先处理上级部件的焦点 */
if( widget->parent ) {
Widget_SetFocus( widget->parent );
}
if( !widget->focus ) {
return FALSE;
}
} else {
return FALSE;
}
if( widget->parent ) {
focus_widget = &widget->parent->focus_widget;
} else {
focus_widget = &RootWidget_GetSelf()->focus_widget;
}
if( *focus_widget ) {
/* 若之前获得焦点的是模态部件，则不能移动焦点 */
if( (*focus_widget)->modal ) {
return FALSE;
}
/* 如果上次和这次的部件不一样 */
if( *focus_widget != widget ) {
event.type = EVENT_FOCUSOUT;
Widget_DispatchEvent( *focus_widget, &event );
}
}
event.type = EVENT_FOCUSIN;
Widget_DispatchEvent( widget, &event );
/* 保存新焦点位置 */
*focus_widget = widget;
return TRUE;
}
/** 响应鼠标按键按下事件 */
static void LCUI_HandleMouseButtonDown( LCUI_MouseButtonEvent *event )
{
LCUI_Widget *widget, *tmp_widget;
LCUI_Pos pos;
LCUI_WidgetEvent wdg_event;
if( !event || event->state != LCUIKEYSTATE_PRESSED ) {
return;
}
pos.x = event->x;
pos.y = event->y;
old_cursor_pos.x = pos.x;
old_cursor_pos.y = pos.y;
widget = Widget_At( NULL, pos );
if( !Widget_IsAllowResponseEvent(widget) ) {
return;
}
/* 获取能够响应此事件的部件 */
tmp_widget = GetWidgetOfResponseEvent( widget, EVENT_MOUSEBUTTON );
if( widget && tmp_widget ) {
/* 开始准备事件数据 */
pos = Widget_ToRelPos( tmp_widget, pos );
wdg_event.type = EVENT_MOUSEBUTTON;
wdg_event.mouse_button.x = pos.x;
wdg_event.mouse_button.y = pos.y;
wdg_event.mouse_button.button = event->button;
wdg_event.mouse_button.state = event->state;
/* 派发事件 */
Widget_DispatchEvent( tmp_widget, &wdg_event );
}
if( event->button != LCUIKEY_LEFTBUTTON ) {
return;
}
tmp_widget = GetWidgetOfResponseEvent( widget, EVENT_CLICKED );
if( tmp_widget ) {
click_widget = tmp_widget;
tmp_widget = GetWidgetOfResponseEvent( widget, EVENT_DRAG );
if( click_widget == tmp_widget ) {
DEBUG_MSG("start drag\n");
/* 开始处理部件的拖动 */
_DragEvent_Start( tmp_widget, event );
/* 设置标记，表示可以进行部件拖动 */
can_drag_widget = TRUE;
} else {
/* 设置标记，表示不能进行部件拖动 */
can_drag_widget = FALSE;
}
} else {
click_widget = widget;
tmp_widget = GetWidgetOfResponseEvent( widget, EVENT_DRAG );
if( widget && tmp_widget ) {
DEBUG_MSG("start drag\n");
/* 开始处理部件的拖动 */
_DragEvent_Start( tmp_widget, event );
can_drag_widget = TRUE;
}
}
/* 焦点转移给该部件 */
Widget_SetFocus( click_widget );
WidgetRecord_SetWidgetState( widget, WIDGET_STATE_ACTIVE );
}
/** 初始化window部件相关数据 */
static void Window_OnInit( LCUI_Widget *window )
{
LCUI_Window *wnd;
LCUI_Graph btn_bg;
LCUI_TextStyle style;
LCUI_Border border;
wnd = Widget_NewPrivateData( window, LCUI_Window );
wnd->theme_color = COLOR_EMERALD;
wnd->theme_color.a = 128;
wnd->titlebar = Widget_New(NULL);
wnd->client_area = Widget_New(NULL);
wnd->btn_close = Widget_New(WIDGET_CLOSE_BUTTON);
wnd->icon = Widget_New(NULL);
wnd->text = Label_New();
wnd->titlebar->focus = FALSE;
wnd->icon->focus = FALSE;
wnd->text->focus = FALSE;
Widget_SetFocus( wnd->client_area );
Widget_SetClickable( wnd->icon, FALSE );
Widget_SetClickable( wnd->text, FALSE );
Widget_SetClickable( wnd->titlebar, FALSE );
Widget_SetClickable( wnd->client_area, FALSE );
Graph_Init( &btn_bg );
/* 载入按钮背景 */
LoadCloseButtonIMG( &btn_bg );
/* close按钮显示在左上角 */
Widget_SetAlign( wnd->btn_close, ALIGN_TOP_RIGHT, Pos(0,0) );
Widget_Resize( wnd->btn_close, Size(30, 30) );
Widget_SetBackgroundImage( wnd->btn_close, &btn_bg );
Widget_SetBackgroundLayout( wnd->btn_close, LAYOUT_CENTER );
Widget_SetBackgroundTransparent( wnd->icon, TRUE );
Widget_SetBackgroundTransparent( wnd->titlebar, TRUE );
Widget_SetBackgroundTransparent( wnd->client_area, FALSE );
Widget_SetBackgroundTransparent( window, FALSE );
Widget_SetBackgroundColor( window, RGB(255,255,255) );
Widget_SetBackgroundLayout( wnd->icon, LAYOUT_ZOOM );
Widget_SetDock( wnd->titlebar, DOCK_TYPE_TOP );
Widget_SetDock( wnd->client_area, DOCK_TYPE_BOTTOM );
Widget_SetPadding( window, Padding(TOP_PANDDING,1,1,1) );
Widget_SetPadding( wnd->client_area, Padding(1,1,1,1) );
Widget_SetSize( wnd->titlebar, "100%", "35px" );
Border_Init( &border );
border.top_width = 0;
border.bottom_width = 1;
border.left_width = 1;
border.right_width = 1;
border.bottom_color = RGB(200,200,200);
border.left_color = RGB(255,255,255);
border.right_color = RGB(255,255,255);
Widget_SetBorder( wnd->titlebar, border );
TextStyle_Init( &style );
TextStyle_FontSize( &style, 18 );
Label_SetTextStyle( wnd->text, style );
/* 放入至容器 */
Widget_Container_Add( wnd->titlebar, wnd->icon );
Widget_Container_Add( wnd->titlebar, wnd->text );
Widget_Container_Add( wnd->titlebar, wnd->btn_close );
Widget_Container_Add( window, wnd->titlebar );
Widget_Container_Add( window, wnd->client_area );
Widget_Resize( window, Size(100, 50) );
Widget_Resize( wnd->icon, Size(24,24) );
Widget_SetAlign( window, ALIGN_MIDDLE_CENTER, Pos(0,0) );
Widget_SetAlign( wnd->icon, ALIGN_MIDDLE_LEFT, Pos(6,0) );
Widget_SetAlign( wnd->text, ALIGN_MIDDLE_LEFT, Pos(6,0) );
/* 关联拖动事件，让鼠标能够拖动标题栏并使窗口移动 */
Widget_ConnectEvent( window, EVENT_DRAG, Window_ExecMove );
/*
* 由于需要在窗口获得/失去焦点时进行相关处理，因此需要将回调函数 与部件
* 的FOCUS_IN和FOCUS_OUT事件 进行关联
* */
Widget_ConnectEvent( window, EVENT_FOCUSOUT, Window_OnFocusOut );
Widget_ConnectEvent( window, EVENT_FOCUSIN, Window_OnFocusIn );
Widget_Show( wnd->btn_close );
Widget_Show( wnd->icon );
Widget_Show( wnd->text );
Widget_Show( wnd->titlebar );
Widget_Show( wnd->client_area );
}
static void Window_OnShow( LCUI_Widget *widget )
{
Widget_SetFocus( widget );
}
