label.c

EGui是一个开源的图形系统软件,类似于QT/Embedded、GTK-FB、MicroWindow。目标是嵌入式平台整合解 决方案。基于Linux Framebuffer 设备驱动上实现。有完

/********************************************************
 * Egui code,LGPL
 * Function : label
 * Author: [e-mail]
 * Data : 2006-03-22
 * $Id: label.c,v 1.2 2006/04/13 01:16:46 hjs Exp $
 ********************************************************/
#include <Egui.h>
#include <widget.h>

Efont *font;


EGui_Widget * 
new_label ( EGui_Widget *pwidget ,short x,short y,char * name)
{
  EGui_Widget * label;
  widget_list * list;
  EGui_Wfunc  * label_wfunc;
  short w,h;

  label = (EGui_Widget *) malloc(sizeof (EGui_Widget));
  if (label == NULL)
    {
      printf ("malloc new label failed\n ");
      return (EGui_Widget * )NULL;
    }

  label_wfunc = (EGui_Wfunc *) malloc (sizeof(EGui_Wfunc));
  if (label_wfunc == NULL)
    {
      printf ("malloc new label_wfunc failed\n ");
      return (EGui_Widget * )NULL;
    }
  memset(label_wfunc,0,sizeof(EGui_Wfunc));

  
  /* FIXME: */
  w = Egui_string_width  (font) + 2;
  h = Egui_string_height (font) + 2;

  label->x       = pwidget->x + x;
  label->y       = pwidget->y + y;
  label->width   = label->x + w;
  label->height  = label->y + h;
  label->type    = LABEL;
  label->func    = label_wfunc;
  label->parent  = pwidget;
  label->window  = pwidget->window;
  label->child   = NULL;
  
  pwidget->child  = label;

  label_init (label_wfunc);

  strcpy (label->name,name);

  add_newqueue (label);
    
  return label;

}

void label_show (EGui_Widget * widget)
{
  widget->status = DISPLAY_ALL;
}


void label_draw (EGui_Widget  * widget)
{
  short x,y,w,h,pw,ph;
  EGui_Window *window;
  EGui_Widget * label;
  Ecolor color;

  label = widget;

  x  = label->x;
  y  = label->y;

  window = label->window;
  
  if (widget->status == DISPLAY_ALL)
    {
      new_color(window,&color,0x101010);
      Egui_drawstring(x,y,widget->name,font,&color,window);
    }  
}



int
label_init (EGui_Wfunc  * label_wfunc)
{
  
  label_wfunc->show        = label_show;
  label_wfunc->draw        = label_draw;

  return 0;
}