/** 设置窗口主题色 */
LCUI_API void Window_SetThemeColor( LCUI_Widget *window, LCUI_Color color )
{
LCUI_Window *wnd;
wnd = (LCUI_Window*)Widget_GetPrivateData( window );
wnd->theme_color = color;
Widget_Update( window );
}
static void Window_OnUpdate( LCUI_Widget *window )
{
LCUI_Window *wnd;
LCUI_Border border;
char h_str[20];
wnd = (LCUI_Window*)Widget_GetPrivateData( window );
border = Border( 1, BORDER_STYLE_SOLID, RGB(200,200,200) );
border.top_width = TOP_PANDDING;
/* 若窗口已获得焦点 */
if( Widget_GetFocus( window ) ) {
border.top_color = wnd->theme_color;
border.bottom_color = wnd->theme_color;
border.left_color = wnd->theme_color;
border.right_color = wnd->theme_color;
Widget_SetShadow( window, BoxShadow(0,0,8,wnd->theme_color) );
} else {
Widget_SetShadow( window, BoxShadow(0,0,8,ARGB(120,200,200,200)) );
}
Widget_SetBorder( window, border );
/* 更新窗口标题栏上的关闭按钮 */
Widget_Update( wnd->btn_close );
sprintf( h_str, "%dpx", Widget_GetContainerHeight(window)-35 );
Widget_SetSize( wnd->client_area, "100%", h_str );
}
/* 在窗口获得焦点时会调用此函数 */
static void
Window_FocusIn( LCUI_Widget *window, LCUI_WidgetEvent *unused )
{
//_DEBUG_MSG( "%p, Window_FocusIn!\n",window );
Widget_Front( window ); /* 前置窗口 */
Widget_Update( window ); /* 更新窗口 */
}
ScrollBar_SetCurrentSize( LCUI_Widget *widget, int current_size )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Widget_GetPrivData( widget );
scrollbar->data.current_size = current_size;
Widget_Update( widget );
}
ScrollBar_SetCurrentValue( LCUI_Widget *widget, int current_num )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Widget_GetPrivData( widget );
scrollbar->data.current_num = current_num;
Widget_Update( widget );
}
ScrollBar_SetMaxSize( LCUI_Widget *widget, int max_size )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Widget_GetPrivData( widget );
scrollbar->data.max_size = max_size;
Widget_Update( widget );
}
ScrollBar_SetMaxNum( LCUI_Widget *widget, int max_num )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Widget_GetPrivData( widget );
scrollbar->data.max_num = max_num;
Widget_Update( widget );
}
TextBox_Text_SetPasswordChar( LCUI_Widget *widget, wchar_t ch )
/* 为文本框设置屏蔽字符 */
{
LCUI_TextLayer *layer;
layer = TextBox_GetTextLayer( widget );
TextLayer_Text_SetPasswordChar( layer, ch );
TextLayer_Refresh( layer );
Widget_Update( widget );
}
TextBox_TextLayer_SetOffset( LCUI_Widget *widget, LCUI_Pos offset_pos )
/* 为文本框内的文本图层设置偏移 */
{
LCUI_TextLayer *layer;
layer = TextBox_GetTextLayer( widget );
if( TextLayer_SetOffset( layer, offset_pos ) == 0 ) {
Widget_Update( widget );
}
/* 需要更新光标的显示位置 */
TextBox_Cursor_Update( widget );
}
ScrollBar_SetDirection( LCUI_Widget *widget, int direction )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Widget_GetPrivData( widget );
if(direction == 0) { /* 纵向 */
scrollbar->direction = 0;
} else { /* 横向 */
scrollbar->direction = 1;
}
Widget_Update( widget );
}
TextBox_Text_Backspace(LCUI_Widget *widget, int n)
/* 删除光标左边处n个字符 */
{
LCUI_Pos cur_pos;
LCUI_TextLayer *layer;
layer = TextBox_GetTextLayer( widget );
TextLayer_Text_Backspace( layer, n );
cur_pos = TextLayer_Cursor_GetPos( layer );
TextBox_Cursor_Move( widget, cur_pos );
Widget_Update( widget );
return 0;
}
int Widget_Update(LCUI_Widget w)
{
int i;
LCUI_BOOL *buffer;
LinkedListNode *node, *next;
/* 如果该部件没有任务需要处理 */
if (!w->task.for_self) {
goto proc_children_task;
}
w->task.for_self = FALSE;
buffer = w->task.buffer;
/* 如果有用户自定义任务 */
if (buffer[LCUI_WTASK_USER] && w->proto && w->proto->runtask) {
w->proto->runtask(w);
}
for (i = 0; i < LCUI_WTASK_USER; ++i) {
if (buffer[i]) {
buffer[i] = FALSE;
if (self.handlers[i]) {
self.handlers[i](w);
}
} else {
buffer[i] = FALSE;
}
}
Widget_AddState(w, LCUI_WSTATE_UPDATED);
proc_children_task:
if (!w->task.for_children) {
return w->task.for_self;
}
/* 如果子级部件中有待处理的部件，则递归进去 */
w->task.for_children = FALSE;
node = w->children.head.next;
while (node) {
LCUI_Widget child = node->data;
/* 如果当前部件有销毁任务，结点空间会连同部件一起被
* 释放，为避免因访问非法空间而出现异常，预先保存下
* 个结点。
*/
next = node->next;
/* 如果该级部件的任务需要留到下次再处理 */
if (Widget_Update(child)) {
w->task.for_children = TRUE;
}
node = next;
}
return w->task.for_self || w->task.for_children;
}
void LCUIWidget_Update(void)
{
int count = 0;
LCUI_Widget root;
/* 前两次更新需要主动刷新所有部件的样式，主要是为了省去在应用程序里手动调用
* LCUIWidget_RefreshStyle() 的麻烦 */
if (self.update_count < 2) {
LCUIWidget_RefreshStyle();
self.update_count += 1;
}
root = LCUIWidget_GetRoot();
while (Widget_Update(root) && count++ < 5);
LCUIWidget_ClearTrash();
}
int TestCSSParser(void)
{
LCUI_Widget box, btn, text;
box = LCUIBuilder_LoadFile( "test_css_parser.xml" );
if( !box ) {
return -1;
}
text = LCUIWidget_GetById( "test-textview" );
Widget_UpdateStyle( text, TRUE );
Widget_Update( text );
assert( text->style->sheet[key_width].val_px == 100 );
assert( text->style->sheet[key_height].val_px == 60 );
assert( text->style->sheet[key_position].val_style == SV_ABSOLUTE );
assert( text->style->sheet[key_top].val_px == 12 );
assert( text->style->sheet[key_left].val_px == 20 );
btn = LCUIWidget_GetById( "test-btn" );
Widget_AddStatus( btn, "hover" );
Widget_UpdateStyle( btn, TRUE );
Widget_UpdateStyle( text, TRUE );
Widget_Update( text );
assert( text->style->sheet[key_background_color].val_color.value == 0xffff0000 );
assert( text->style->sheet[key_background_size].val_style == SV_CONTAIN );
return 0;
}
TextBox_Text_AppendW( LCUI_Widget *widget, wchar_t *unicode_text )
{
LCUI_TextBox *tb;
LCUI_TextLayer *layer;
tb = Widget_GetPrivData( widget );
TextBox_TextBuff_Add( widget, unicode_text, AT_TEXT_LAST );
if( tb->show_placeholder ) {
layer = TextBox_GetTextLayer( widget );
TextLayer_Text_Clear( layer );
TextLayer_Text_SetPasswordChar( layer, tb->password_char_bak );
TextLayer_Text_SetDefaultStyle( layer, tb->textstyle_bak );
tb->show_placeholder = FALSE;
}
Widget_Update( widget );
}
TextBox_Text_AddW( LCUI_Widget *widget, wchar_t *unicode_text )
{
LCUI_TextBox *tb;
LCUI_TextLayer *layer;
tb = Widget_GetPrivData( widget );
/* 把文本分割成若干块，加入至缓冲队列，让文本框分段处理显示 */
TextBox_TextBuff_Add( widget, unicode_text, AT_CURSOR_POS );
if( tb->show_placeholder ) {
layer = TextBox_GetTextLayer( widget );
TextLayer_Text_Clear( layer );
TextLayer_Text_SetPasswordChar( layer, tb->password_char_bak );
TextLayer_Text_SetDefaultStyle( layer, tb->textstyle_bak );
tb->show_placeholder = FALSE;
}
Widget_Update( widget );
}
TextBox_TextW( LCUI_Widget *widget, wchar_t *unicode_text )
{
LCUI_TextBox *tb;
LCUI_TextLayer *layer;
TextBox_Text_Clear( widget ); /* 清空显示的文本 */
tb = Widget_GetPrivData( widget );
/* 把文本分割成块，加入至缓冲队列，让文本框分段显示 */
TextBox_TextBuff_Add( widget, unicode_text, AT_TEXT_LAST );
if( tb->show_placeholder ) {
layer = TextBox_GetTextLayer( widget );
tb->show_placeholder = FALSE;
/* 恢复文本框的文本样式以及屏蔽符 */
TextLayer_Text_SetPasswordChar( layer, tb->password_char_bak );
TextLayer_Text_SetDefaultStyle( layer, tb->textstyle_bak );
}
Widget_Update( widget );
}
static void
Window_ExecUpdate( LCUI_Widget *win_p )
{
LCUI_Size size;
LCUI_Graph *graph;
LCUI_Border border;
LCUI_Widget *titlebar, *btn, *client_area;
LCUI_RGB border_color, back_color;
btn = Window_GetCloseButton(win_p);
titlebar = Window_GetTitleBar(win_p);
client_area = Window_GetClientArea(win_p);
graph = Widget_GetSelfGraph( win_p );
/* 按不同的风格来处理 */
switch( win_p->style_id ) {
case WINDOW_STYLE_NONE: /* 没有边框 */
/* 先计算坐标和尺寸 */
Widget_SetDock( client_area, DOCK_TYPE_FILL );
Widget_Hide( titlebar );/* 隐藏标题栏 */
Widget_Show( client_area );/* 客户区需要显示 */
break;
case WINDOW_STYLE_LINE: /* 线条边框 */
Widget_SetBorder(win_p,
Border(1, BORDER_STYLE_SOLID, RGB(50,50,50)));
Widget_SetPadding( win_p, Padding(1,1,1,1) );
Widget_SetDock( client_area, DOCK_TYPE_FILL );
Widget_Hide( titlebar );
Widget_Show( client_area );
break;
case WINDOW_STYLE_PURE_BLUE:
back_color = RGB(30,160,225);
border_color = RGB(0,130,195);
goto union_draw_method;
case WINDOW_STYLE_PURE_GREEN:
back_color = RGB(140,190,40);
border_color = RGB(110,160,10);
goto union_draw_method;
case WINDOW_STYLE_PURE_RED:
back_color = RGB(230,20,0);
border_color = RGB(200,0,0);
goto union_draw_method;
case WINDOW_STYLE_PURE_ORANGE:
back_color = RGB(240,150,10);
border_color = RGB(210,120,0);
goto union_draw_method;
case WINDOW_STYLE_PURE_PURPLE:
back_color = RGB(110,20,95);
border_color = RGB(80,0,65);
union_draw_method:;
/* 若窗口未获得焦点 */
if( !Widget_GetFocus( win_p ) ) {
back_color = RGB(235,235,235);
border_color = RGB(211,211,211);
}
/* 更新窗口标题栏上的关闭按钮 */
Widget_Update( btn );
border = Border(1, BORDER_STYLE_SOLID, border_color);
Widget_SetBorder( client_area, border);
Widget_SetBorder( win_p, border);
Widget_SetBackgroundColor( win_p, back_color );
Graph_FillColor( graph, back_color );
Widget_SetBackgroundColor( client_area, RGB(255,255,255) );
Widget_SetBackgroundImage( titlebar, NULL );
Widget_SetBackgroundLayout( titlebar, 0 );
Widget_SetBackgroundTransparent( titlebar, TRUE );
Widget_SetBackgroundTransparent( client_area, FALSE );
Widget_SetPadding( win_p, Padding(1,4,4,4) );
Widget_SetPadding( client_area, Padding(1,1,1,1) );
size = Widget_GetContainerSize( win_p );
Widget_Resize( titlebar, Size(size.h, 25) );
Widget_Resize( client_area, Size(size.w, size.h - 25) );
Widget_SetDock( titlebar, DOCK_TYPE_TOP );
Widget_SetDock( client_area, DOCK_TYPE_BOTTOM );
Widget_Show( titlebar );
Widget_Show( client_area );
break;
default:
//
break;
}
}
/** 在窗口获得焦点时会调用此函数 */
static void Window_OnFocusIn( LCUI_Widget window, LCUI_WidgetEvent *unused )
{
//_DEBUG_MSG( "%p, Window_FocusIn!\n",window );
Widget_Front( window );
Widget_Update( window );
}
/** 在窗口失去焦点时会调用此函数 */
static void Window_OnFocusOut( LCUI_Widget *window, LCUI_WidgetEvent *unused )
{
Widget_Update( window );
}
/* 在窗口失去焦点时会调用此函数 */
static void
Window_FocusOut( LCUI_Widget *window, LCUI_WidgetEvent *unused )
{
//_DEBUG_MSG( "%p, Window_FocusOut!\n", window );
Widget_Update( window );
}
static void
Button_ProcFocusOut( LCUI_Widget *widget, LCUI_WidgetEvent *unused )
{
Widget_Update( widget );
}
