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);
}
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;
}
