static LCUI_TextLayer *
TextBox_Get_TextLayer( LCUI_Widget *widget )
{
LCUI_TextBox *textbox;
textbox = Get_Widget_PrivData( widget );
return Get_Widget_PrivData( textbox->text );
}
void Set_PictureBox_Size_Mode(LCUI_Widget *widget, int mode)
/* 功能：设定图片盒子的图像显示模式 */
{
LCUI_PictureBox *pic_box = (LCUI_PictureBox*)
Get_Widget_PrivData(widget);
if(pic_box->size_mode == mode) return;
float scale_x,scale_y;
pic_box->size_mode = mode;
if(pic_box->image == NULL) return;
switch(mode) {
case SIZE_MODE_BLOCK_ZOOM:
case SIZE_MODE_ZOOM:
if( widget->size.w <= 0 || widget->size.h <= 0) {
pic_box->scale = 1.0;
} else {
scale_x = (float)widget->size.w / pic_box->image->width;
scale_y = (float)widget->size.h / pic_box->image->height;
if(scale_x < scale_y) pic_box->scale = scale_x;
else pic_box->scale = scale_y;
}
Zoom_PictureBox_View_Area(widget, pic_box->scale);
break;
default:
pic_box->scale = 1.0;
break;
}
Draw_Widget(widget);
}
LCUI_Graph *Get_PictureBox_Graph(LCUI_Widget *widget)
/* 功能：获取PictureBox部件内的图像指针 */
{
LCUI_PictureBox *pic_box = (LCUI_PictureBox*)
Get_Widget_PrivData(widget);
return pic_box->image;
}
static void
Update_Label(LCUI_Widget *widget)
/* 功能：更新label部件 */
{
int mode;
LCUI_Size max;
LCUI_Label *label;
label = Get_Widget_PrivData( widget );
if(!Graph_Valid(&widget->background_image)) {
mode = GRAPH_MIX_FLAG_REPLACE; /* 替换模式 */
} else {
mode = GRAPH_MIX_FLAG_OVERLAY; /* 叠加模式 */
}
/* 先绘制文本位图，在绘制前它会更新位图尺寸 */
TextLayer_Draw( widget, &label->layer, mode );
/* 获取尺寸 */
max = TextLayer_Get_Size( &label->layer );
if( widget->dock == DOCK_TYPE_NONE && label->auto_size
&& Size_Cmp( max, widget->size ) != 0 ) {
/* 如果开启了自动调整大小,并且尺寸有改变 */
Resize_Widget(widget, max );
Refresh_Widget(widget);
}
}
static void Destroy_Label(LCUI_Widget *widget)
/* 功能：释放label部件占用的资源 */
{
LCUI_TextLayer *layer;
layer = Get_Widget_PrivData( widget );
Destroy_TextLayer( layer );
}
float Get_PictureBox_Zoom_Scale(LCUI_Widget *widget)
/* 功能：获取图片盒子的缩放比例 */
{
LCUI_PictureBox *pic_box = (LCUI_PictureBox*)
Get_Widget_PrivData(widget);
return pic_box->scale;
}
void Set_ProgressBar_Max_Value(LCUI_Widget *widget, int max_value)
/* 功能：设定进度条最大值 */
{
LCUI_ProgressBar *pb = Get_Widget_PrivData(widget);
pb->max_value = max_value;
Draw_Widget(widget);
}
void Set_ProgressBar_Value(LCUI_Widget *widget, int value)
/* 功能：设定进度条当前值 */
{
LCUI_ProgressBar *pb = Get_Widget_PrivData(widget);
pb->value = value;
Draw_Widget(widget);
}
LCUI_Widget *Get_Window_Client_Area(LCUI_Widget *window)
/* 功能：获取窗口客户区的指针 */
{
LCUI_Window *win_p;
win_p = (LCUI_Window *)Get_Widget_PrivData(window);
return win_p->client_area;
}
int Zoom_PictureBox_View_Area(LCUI_Widget *widget, float scale)
/* 功能：缩放PictureBox部件的图片浏览区域 */
{
LCUI_Graph buff, temp;
LCUI_PictureBox *pic_box;
pic_box = Get_Widget_PrivData(widget);
if(!Graph_Valid(pic_box->image)) {
return -1;
}
Graph_Init(&buff);
Graph_Init(&temp);
/* 有效范围为2%~2000% */
if(scale < 0.02) {
scale = 0.02;
}
if(scale > 20) {
scale = 20;
}
if(pic_box->size_mode != SIZE_MODE_ZOOM
&& pic_box->size_mode != SIZE_MODE_BLOCK_ZOOM) {
pic_box->size_mode = SIZE_MODE_ZOOM; /* 改为缩放模式 */
}
pic_box->scale = scale;
Update_BuffGraph(widget);
Update_ReadBox(widget);
Draw_Widget(widget);
Refresh_Widget(widget);
return 0;
}
void Set_Window_Title_Text(LCUI_Widget *win_p, const char *text)
/* 功能：为窗口设置标题文字 */
{
LCUI_Widget *titlebar = Get_Window_TitleBar(win_p);
LCUI_TitleBar *title = Get_Widget_PrivData(titlebar);
Set_Label_Text(title->label, text);
}
/**************************** 私有函数 **********************************/
static void
Move_ScrollBar( LCUI_Widget *widget, LCUI_Pos new_pos )
{
double scale;
int size;
LCUI_ScrollBar *scrollbar;
scrollbar = Get_Widget_PrivData( widget->parent );
/* 使该坐标在限制范围内 */
new_pos = Get_Widget_Valid_Pos( widget, new_pos );
/* 判断滚动条的方向 */
if( scrollbar->direction == 0 ) { /* 纵向 */
/* 先得到容器高度 */
size = _Get_Widget_Container_Height( widget );
/* 减去自身高度 */
size -= _Get_Widget_Height( widget );
/* 再用当前坐标除以size，得到比例 */
scale = new_pos.y * 1.0 / size;
/* 将max_num乘以比例，得出current_num的值 */
scrollbar->data.current_num = scale * scrollbar->data.max_num;
} else { /* 横向 */
size = _Get_Widget_Container_Width( widget );
size -= _Get_Widget_Width( widget );
scale = new_pos.x * 1.0 / size;
scrollbar->data.current_num = scale * scrollbar->data.max_num;
}
Move_Widget( widget, new_pos );
}
static void Destroy_ProgressBar(LCUI_Widget *widget)
/* 功能：释放进度条部件占用的内存资源 */
{
LCUI_ProgressBar *pb = (LCUI_ProgressBar*)Get_Widget_PrivData(widget);
Graph_Free(&pb->fore_graph);
Graph_Free(&pb->flash_image);
}
LCUI_Rect Get_PictureBox_View_Area(LCUI_Widget *widget)
/* 功能：获取图片盒子的图片显示的区域 */
{
LCUI_PictureBox *pic_box = (LCUI_PictureBox*)
Get_Widget_PrivData(widget);
return pic_box->read_box;
}
LCUI_Widget *
TextBox_Get_Cursor( LCUI_Widget *widget )
/* 获取文本框部件内的光标 */
{
LCUI_TextBox *tb;
tb = Get_Widget_PrivData( widget );
return tb->cursor;
}
LCUI_Widget*
TextBox_Get_Label( LCUI_Widget *widget )
/* 获取文本框部件内的label部件指针 */
{
LCUI_TextBox *textbox;
textbox = Get_Widget_PrivData( widget );
return textbox->text;
}
static void Refresh_Label_FontBitmap(LCUI_Widget *widget)
/* 功能：刷新label部件内的字体位图 */
{
LCUI_TextLayer *layer;
layer = Get_Widget_PrivData( widget );
TextLayer_Refresh( layer );
}
static void Destroy_PictureBox(LCUI_Widget* widget)
/* 功能：释放图片盒子占用的内存资源 */
{
LCUI_PictureBox *pic_box = (LCUI_PictureBox*)
Get_Widget_PrivData(widget);
Graph_Free(&pic_box->buff_graph);
Graph_Free(&pic_box->error_image);
Graph_Free(&pic_box->initial_image);
}
LCUI_TextLayer *
Label_Get_TextLayer( LCUI_Widget *widget )
/* 获取label部件内的文本图层的指针 */
{
LCUI_Label *label;
label = Get_Widget_PrivData( widget );
return &label->layer;
}
void
ScrollBar_Set_CurrentNum( LCUI_Widget *widget, int current_num )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Get_Widget_PrivData( widget );
scrollbar->data.current_num = current_num;
Update_Widget( widget );
}
int Set_Label_TextStyle( LCUI_Widget *widget, LCUI_TextStyle style )
/* 为Label部件内显示的文本设定文本样式 */
{
LCUI_TextLayer *layer;
layer = Get_Widget_PrivData( widget );
TextLayer_Text_Set_Default_Style( layer, style );
Update_Label( widget );
return 0;
}
void
ScrollBar_Set_CurrentSize( LCUI_Widget *widget, int current_size )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Get_Widget_PrivData( widget );
scrollbar->data.current_size = current_size;
Update_Widget( widget );
}
void
ScrollBar_Set_MaxNum( LCUI_Widget *widget, int max_num )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Get_Widget_PrivData( widget );
scrollbar->data.max_num = max_num;
Update_Widget( widget );
}
void
ScrollBar_Set_MaxSize( LCUI_Widget *widget, int max_size )
{
LCUI_ScrollBar *scrollbar;
scrollbar = Get_Widget_PrivData( widget );
scrollbar->data.max_size = max_size;
Update_Widget( widget );
}
ScrollBar_Data
ScrollBar_Get_Data ( LCUI_Widget *widget )
/* 获取滚动条的数据 */
{
LCUI_ScrollBar *scrollbar;
scrollbar = Get_Widget_PrivData( widget );
return scrollbar->data;
}
/**************************** 公共函数 **********************************/
LCUI_Widget *
Get_ScrollBar( LCUI_Widget *widget )
/* 获取滚动条部件 */
{
LCUI_ScrollBar *scrollbar;
scrollbar = Get_Widget_PrivData( widget );
return scrollbar->widget;
}
static LCUI_Widget *
TextBox_Get_Scrollbar( LCUI_Widget *widget, int which )
{
LCUI_TextBox *tb;
tb = Get_Widget_PrivData( widget );
if( which == 0 ) {
return tb->scrollbar[0];
}
return tb->scrollbar[1];
}
LCUI_Widget *Get_Window_TitleBar(LCUI_Widget *window)
/* 功能：获取窗口标题栏的指针 */
{
LCUI_Window *win_p;
win_p = (LCUI_Window *)Get_Widget_PrivData(window);
if(win_p == NULL) {
return NULL;
}
return win_p->titlebar;
}
static void
show_textbox_cursor( )
{
if( !active_textbox ) {
return;
}
LCUI_TextBox *tb;
tb = Get_Widget_PrivData( active_textbox );
Show_Widget( tb->cursor );
}
int Set_PictureBox_InitImage(LCUI_Widget *widget, LCUI_Graph *pic)
/* 功能：设定正在加载另一图像时显示的图像 */
{
LCUI_PictureBox *pic_box = (LCUI_PictureBox*)Get_Widget_PrivData(widget);
if(Graph_Valid(pic)) {
Graph_Copy(&pic_box->initial_image, pic);
return 0;
}
return -1;
}
