/* Four in a Row's screen, window and other display structures etc. */


extern void done();
void init_display(), set_screen(), set_window();
void set_defmap(), set_colormap();


void set_screen(new_screen, depth, title)
struct NewScreen *new_screen;
SHORT depth;
UBYTE *title;
{
   new_screen-> LeftEdge      =  0;
   new_screen-> TopEdge       =  0;
   new_screen-> Width         =  320*W;
   new_screen-> Height        =  200*H;
   new_screen-> Depth         =  depth;
   new_screen-> DetailPen     =  1;
   new_screen-> BlockPen      =  2;
   new_screen-> ViewModes     =  (W==2 ? HIRES : 0) | (H==2 ? LACE : 0);
   if (depth == 6)   {
      new_screen-> ViewModes |=  EXTRA_HALFBRITE;
   }
   new_screen-> Type          =  CUSTOMSCREEN;
   new_screen-> Font          =  font;
   new_screen-> DefaultTitle  =  title;
   new_screen-> Gadgets       =  NULL;
   new_screen-> CustomBitMap  =  NULL;

   return;
}


void set_window(new_window, left, top, width, height, gadget, title, screen)
struct NewWindow *new_window;
SHORT left, top, width, height;
struct Gadget *gadget;
UBYTE *title;
struct Screen *screen;
{
   new_window-> LeftEdge      =  left;
   new_window-> TopEdge       =  top;
   new_window-> Width         =  width;
   new_window-> Height        =  height;
   new_window-> DetailPen     =  8;
   new_window-> BlockPen      =  1;
   new_window-> IDCMPFlags    =  CLOSEWINDOW | ACTIVEWINDOW | MOUSEBUTTONS |
                                 GADGETUP | MENUPICK;
   new_window-> Flags         =  ACTIVATE | REPORTMOUSE | NOCAREREFRESH |
                                 WINDOWDEPTH | WINDOWCLOSE | WINDOWDRAG |
                                 SMART_REFRESH;
   new_window-> FirstGadget   =  gadget;
   new_window-> CheckMark     =  NULL;
   new_window-> Title         =  title;
   new_window-> Screen        =  screen;
   new_window-> BitMap        =  NULL;
   new_window-> MinWidth      =  0;
   new_window-> MinHeight     =  0;
   new_window-> MaxWidth      =  0;
   new_window-> MaxHeight     =  0;
   new_window-> Type          =  CUSTOMSCREEN;

   return;
}


void init_display(left, top, width, height, depth, title)
SHORT left, top, width, height, depth;
UBYTE *title;
{
   SHORT i;

   static struct NewScreen new_screen;
   static struct NewWindow new_window;

   set_screen(&new_screen, depth, "");
   if ((screen1=OpenScreen(&new_screen))==NULL) done(4);

   set_window(&new_window, left, top, width, height,
              &Gadget1, title, screen1);
   if ((window1=OpenWindow(&new_window))==NULL) done(5);

   myviewport = (struct ViewPort *)ViewPortAddress(window1);
   if ((colormap = (struct ColorMap *)GetColorMap(CTSIZ))==NULL) done(6);
   colortable = (USHORT *)colormap->ColorTable;
   for (i=STCOL; i<CTSIZ; i++)
      newcolors[i] = colortable[i];
   set_defmap();

   SetMenuStrip(window1, &menu1);
   return;
}


void set_defmap()
{
register int i;

   for (i=0; i<CTSIZ; i++)
      *(colortable+i) = newcolors[i];
   set_colormap();
   return;
}


void set_colormap()
{
   LoadRGB4(myviewport, colortable, CTSIZ);
   return;
}