Exemplo n.º 1
0
int
pop_up(char *title,int x, int y)
{
	VGLBitmap sav,clr;
	int x1,y1,width,height,i,j;
	int last_pos,cur_pos,max_item;
	char buttons;
	char *t;

	sav.Type=VGLDisplay->Type;
	clr.Type=VGLDisplay->Type;
	width=0;
	height=0;
	max_item=0;
	i=0;
	while(std_menu[i].descr!=NULL) {
		height++;
		max_item++;
		if(strlen(std_menu[i].descr)>width) width=strlen(std_menu[i].descr);
		i++;
	}
	width=width*8+2;
	height=height*9+4+8;
	sav.Xsize=width;
	sav.Ysize=height;
	clr.Xsize=width;
	clr.Ysize=height;
	sav.Bitmap=(byte *)calloc(width*height,1);
	clr.Bitmap=(byte *)calloc(width*height,1);
	if(x>(VGLDisplay->Xsize-width)) x1=VGLDisplay->Xsize-width;
	else x1=x;
	if(y>(VGLDisplay->Ysize-height)) y1=VGLDisplay->Ysize-height;
	else y1=y;
	VGLMouseMode(VGL_MOUSEHIDE);
	VGLBitmapCopy(VGLDisplay,x1,y1,&sav,0,0,width,height);
	VGLFilledBox(VGLDisplay,x1,y1,x1+width-1,y1+height-1,pal_colors-1);
	VGLBitmapString(VGLDisplay,x1+1,y1+1,title,0,pal_colors-1,0,0);
	VGLLine(VGLDisplay,x1,y1+9,x1+width,y1+9,0);
	i=0;
	while(std_menu[i].descr!=NULL) {
		VGLBitmapString(VGLDisplay,x1+1,y1+11+i*9,std_menu[i].descr,0,pal_colors-1,0,0);
		i++;
	}
	last_pos=-1;
	VGLMouseMode(VGL_MOUSESHOW);
	do {
		pause();
		VGLMouseStatus(&x,&y,&buttons);
		cur_pos=(y-y1-11)/9;
		if((cur_pos<0)||(cur_pos>max_item-1)) {
			if(last_pos==-1) last_pos=0;
			VGLBitmapString(VGLDisplay,x1+1,y1+11+last_pos*9,std_menu[last_pos].descr,0,pal_colors-1,0,0);
			last_pos=-1;
		} else if(last_pos!=cur_pos) {
			if(last_pos==-1) last_pos=0;
			VGLBitmapString(VGLDisplay,x1+1,y1+11+last_pos*9,std_menu[last_pos].descr,0,pal_colors-1,0,0);
			VGLBitmapString(VGLDisplay,x1+1,y1+11+cur_pos*9,std_menu[cur_pos].descr,pal_colors/2+1,pal_colors-1,0,0);
			last_pos=cur_pos;
		}
	} while (buttons & MOUSE_BUTTON3DOWN);
	VGLMouseMode(VGL_MOUSEHIDE);
	/* XXX Screws up totally when r==3. Libvgl bug! */
	VGLBitmapCopy(&clr,0,0,VGLDisplay,x1,y1,width,height);
	VGLBitmapCopy(&sav,0,0,VGLDisplay,x1,y1,width,height);
	VGLMouseMode(VGL_MOUSESHOW);
	free(sav.Bitmap);
	free(clr.Bitmap);
	changed++;
	if((cur_pos>=0) && (cur_pos<max_item)) {
		std_menu[cur_pos].func(x,y,std_menu[cur_pos].hotkey);
	}
	changed++;
	return(0);
}
Exemplo n.º 2
0
int
main(int argc, char **argv)
{
  int y, xsize, ysize, i,j;
  VGLBitmap *tmp;

  // set graphics mode, here 320x240 256 colors
  // supported modes are (from <sys/consio.h>):
  // SW_VGA_CG320:      std VGA 320x200 256 colors
  // SW_VGA_MODEX:      Modex VGA 320x240 256 colors
  // SW_VGA_VG640:      std VGA 640x480 16 colors
  VGLInit(SW_VGA_MODEX);

  // initialize mouse and show pointer
  VGLMouseInit(VGL_MOUSESHOW);

  // VGLDisplay is a ptr to a struct Bitmap defined and initialized by
  // libvgl. The Bitmap points directly to screen memory etc.
  xsize=VGLDisplay->Xsize;
  ysize=VGLDisplay->Ysize;

  // alloc a new bitmap
  tmp = VGLBitmapCreate(MEMBUF, 256, 256, NULL);
  VGLBitmapAllocateBits(tmp);
  VGLClear(tmp, 0);

  // fill the screen with colored lines
  for (y=0; y<ysize; y++)
    VGLLine(VGLDisplay, 0, y, xsize-1, y, y/2 % 256);

  // draw some lines and circles just to show off
  VGLLine(VGLDisplay, 0, 0, xsize-1, ysize-1, 63);
  VGLLine(VGLDisplay, 0, ysize-1, xsize-1, 0, 63);
  VGLLine(VGLDisplay, 0, 0, 0, ysize-1, 63);
  VGLLine(VGLDisplay, xsize-1, 0, xsize-1, ysize-1, 63);
  VGLEllipse(VGLDisplay, 256, 0, 256, 256, 63);
  VGLEllipse(VGLDisplay, 0, 256, 256, 256, 0);

  // some text is also useful
  VGLBitmapString(VGLDisplay, 100,100,
    "This is text", 63, 0, 0, VGL_DIR_RIGHT);
  sleep(2);
  VGLBitmapString(VGLDisplay, 100,100,
    "This is text", 63, 0, 0, VGL_DIR_UP);
  sleep(2);
  VGLBitmapString(VGLDisplay, 100,100,
    "This is text", 63, 0, 0, VGL_DIR_LEFT);
  sleep(2);
  VGLBitmapString(VGLDisplay, 100,100,
    "This is text", 63, 0, 0, VGL_DIR_DOWN);
  sleep(2);

  // now show some simple bitblit
  for (i=0; i<256; i++)
    for (j=0; j<256; j++)
      tmp->Bitmap[i+256*j] = i%16;
  VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 0, 0, 128, 128);
  for (i=0; i<256; i++)
    for (j=0; j<256; j++)
      tmp->Bitmap[i+256*j] = j%16;
  VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 3, 128, 128, 128);
  sleep(2);
  VGLBitmapCopy(VGLDisplay, 237, 311, tmp, 64, 64, 128, 128);
  VGLBitmapCopy(tmp, 32, 32, VGLDisplay, 400, 128, 128, 128);
  sleep(2);
  VGLBitmapCopy(VGLDisplay, 300, 300, VGLDisplay, 500, 128, 128, 128);
  sleep(5);
  i=0;

  // loop around drawing and copying
  while (++i) {
    VGLBitmapCopy(VGLDisplay, rand()%xsize, rand()%ysize,
                  VGLDisplay, rand()%xsize, rand()%ysize,
                  rand()%xsize, rand()%ysize);
    VGLLine(VGLDisplay,  rand()%xsize, rand()%ysize, 
            rand()%xsize, rand()%ysize, rand()%256);
    VGLEllipse(VGLDisplay, rand()%xsize, rand()%ysize,
               rand()%xsize/2, rand()%ysize/2, rand()%256);
    rand();
    if (i > 1000) break;
  }

  // restore screen to its original mode
  VGLEnd();
  return 0;
}