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C/C++ Source or Header  |  1996-04-11  |  3KB  |  141 lines
  1. #include "status.hpp"
  2. #include "timing.hpp"
  3. #include "guistat.hpp"
  4.  
  5. class gui_status_node
  6. {
  7.   public :  
  8.   char *name;
  9.   gui_status_node *next;
  10.   visual_object *show;
  11.   jwindow *stat_win;
  12.   window_manager *wm;
  13.   int last_update;
  14.   time_marker last_time;
  15.   gui_status_node(char *Name, visual_object *Show, window_manager *WM, gui_status_node *Next) 
  16.   { name=strcpy((char *)jmalloc(strlen(Name)+1,"status name"),Name); 
  17.     show=Show;
  18.     next=Next; 
  19.     last_update=0;
  20.     stat_win=NULL;
  21.     wm=WM;
  22.   }
  23.   ~gui_status_node();
  24. } ; 
  25.  
  26.  
  27. gui_status_node::~gui_status_node()
  28. { 
  29.   jfree(name); 
  30.   if (show) 
  31.     delete show; 
  32.   if (stat_win) 
  33.   {
  34.     wm->close_window(stat_win);
  35.     wm->flush_screen();
  36.   }
  37. }
  38.  
  39. #ifdef __POWERPC__
  40. #pragma global_optimizer on
  41. #endif
  42.  
  43. void gui_status_manager::draw_bar(gui_status_node *whom, int perc)
  44. {
  45.   long l=whom->stat_win->x2()-whom->stat_win->x1()-6;
  46.   long h=wm->font()->height();
  47.  
  48.   whom->stat_win->screen->bar(whom->stat_win->x1()+1,whom->stat_win->y2()-h-1,whom->stat_win->x2()-1,
  49.               whom->stat_win->y2()-1,wm->black());
  50.   whom->stat_win->screen->bar(whom->stat_win->x1()+2,whom->stat_win->y2()-h,whom->stat_win->x2()-2,
  51.               whom->stat_win->y2()-2,wm->dark_color());
  52.   if (perc)
  53.     whom->stat_win->screen->bar(whom->stat_win->x1()+3,whom->stat_win->y2()-h+1,
  54.                 whom->stat_win->x1()+l*perc/100,
  55.                 whom->stat_win->y2()-3,wm->bright_color());
  56. }
  57.  
  58. #ifdef __POWERPC__
  59. #pragma global_optimizer reset
  60. #endif
  61.  
  62. void gui_status_manager::push(char *name, visual_object *show)
  63. {
  64.   first=new gui_status_node(name,show,wm,first);  
  65. }
  66.  
  67. gui_status_manager::gui_status_manager(window_manager *WM) 
  68. { 
  69.   wm=WM; 
  70.   first=NULL; 
  71.   strcpy(title,"STATUS"); 
  72.   last_perc=0;
  73. }
  74.  
  75. void gui_status_manager::update(int percentage)
  76. {
  77.   last_perc=percentage;
  78.   if (first)
  79.   {
  80.     if (!first->stat_win)
  81.     {
  82.       time_marker now;
  83.       if (now.diff_time(&first->last_time)>1)
  84.       {
  85.     long wx=xres/2,wy=10,len1=strlen(first->name)*wm->font()->width()+10,len2=0,len3,
  86.       h1=wm->font()->height()+5,h2=first->show ? first->show->height(wm) : 0;
  87.  
  88.     if (first->show) len2=first->show->width(wm)/2;
  89.     if (len2>len1) len3=len2; else len3=len1;
  90.     wx-=len3/2; 
  91.     
  92.     
  93.     gui_status_node *p=first->next;
  94.     while (p && !p->stat_win) p=p->next;
  95.     if (p) wy=p->stat_win->y+p->stat_win->y2()+5;
  96.  
  97.     int mx=WINDOW_FRAME_LEFT,my=WINDOW_FRAME_TOP;
  98.     first->stat_win=wm->new_window(wx,wy,len3, h1*2+h2,NULL,"status");
  99.     wm->font()->put_string(first->stat_win->screen,mx+1,my+1,first->name,wm->black());
  100.     wm->font()->put_string(first->stat_win->screen,mx,my,first->name,wm->bright_color());
  101.     if (first->show)
  102.       first->show->draw(first->stat_win->screen,(first->stat_win->x2()-first->stat_win->x1())/2-
  103.                 first->show->width(wm)/2,my+h1,wm,NULL);
  104.  
  105.     draw_bar(first,percentage);
  106.     wm->flush_screen();
  107.       }
  108.     } else
  109.     {
  110.       if (percentage>first->last_update)
  111.       {
  112.     first->last_update=percentage;
  113.     draw_bar(first,percentage);
  114.     wm->flush_screen();
  115.       }
  116.     }
  117.   } 
  118. }
  119.  
  120. void gui_status_manager::force_display()
  121. {
  122.   update(last_perc);
  123. }
  124.  
  125. void gui_status_manager::pop()
  126. {
  127.   CONDITION(first,"No status's to pop!");
  128.   gui_status_node *p=first;
  129.   first=first->next;
  130.   delete p;
  131. }
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