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f=(y1-y0)/(double)(max+page);
*cur=(y-y0+0.5)/f;
draw_scrollbar(cur,page,max,x0,y0,x1,y1);
SDL_Flip(screen);
set_cursor(XC_sb_right_arrow);
return 1;
}
// Popup text
/*
\0 to \7 (1 to 8) - Colours
\b (15) - Horizontal line
\c (12) - Centre align
\i (14) - Image of class
\l (11) - Left align
\n (10) - Line break
\q (16) - Quiz button
\x (31) - Hex escape
*/
typedef struct {
Uint8 a,h;
Uint16 w;
} PopLine;
static void pop_bar(int x,int y,PopLine*li,int w) {
}
static void pop_char(int x,int y,PopLine*li,Uint8 c,Uint8 v) {
Uint8*p=screen->pixels;
Uint16 pitch=screen->pitch;
int xx,yy;
const unsigned char*f=fontdata+(v<<3);
if(li->h>8) y+=(li->h-8)/2;
if(y+8>=screen->h || x+8>=screen->w) return;
p+=y*pitch+x;
for(yy=0;yy<8;yy++) {
for(xx=0;xx<8;xx++) p[xx]=(*f<<xx)&128?c:0xF7;
p+=pitch;
++f;
}
}
static void pop_image(int x,int y,PopLine*li,const unsigned char*t) {
const unsigned char*p=strchr(t,':');
int i,n;
if(!p) return;
n=strtol(p+1,0,10);
if(li->h>picture_size) y+=(li->h-picture_size)/2;
if(y+picture_size>=screen->h || x+picture_size>=screen->w) return;
SDL_UnlockSurface(screen);
if(p==t+1 && *t==7) {
// This case is used for %i substitutions
draw_picture(x,y,n);
} else if(p) {
for(i=1;i<0x4000;i++) if(classes[i]) {
if(strlen(classes[i]->name)==p-t && !memcmp(t,classes[i]->name,p-t)) {
if(n>=0 && n<classes[i]->nimages) draw_picture(x,y,classes[i]->images[n]&0x7FFF);
break;
}
}
}
SDL_LockSurface(screen);
}
static void pop_quiz(int x,int y,PopLine*li,Uint8 c,Uint8 v) {
}
void draw_popup(const unsigned char*txt) {
static colo[8]={1,144,188,173,83,98,218,15};
static PopLine li[64];
SDL_Rect r;
int bx,by,x,y,c;
int ln=0; // line number
int lh=8; // height of current line
int th=0; // total height
int lw=0; // width of current line
int tw=0; // total width
const unsigned char*p=txt;
li[0].w=li[0].h=li[0].a=0;
// Figure out size
while(ln<64 && *p) switch(*p++) {
case 1 ... 8:
// needing doing nothing yet
break;
case 10:
th+=lh;
li[ln].h=lh;
li[ln].w=lw;
if(tw<lw) tw=lw;
if(*p && *p!=15) lh=8; else lh=0;
lw=0;
ln++;
if(ln<64) li[ln].a=li[ln-1].a;
break;
case 11: case 12:
li[ln].a=p[-1]-11;
break;
case 14:
if(lh<picture_size) lh=picture_size;
lw+=picture_size;
p=strchr(p,'\\')?:"";
if(*p) p++;
break;
case 15:
th+=lh+8;
li[ln].h=lh;
li[ln].w=lw;
if(tw<lw) tw=lw;
lh=8;
lw=0;
ln++;
if(ln<64) li[ln].a=li[ln-1].a;
break;
case 16:
lw+=24;
if(lh<16) lh=16;
if(*p) p++;
break;
case 31:
lw+=8;
if(*p) p++;
break;
default:
lw+=8;
}
done:
if(ln<64) li[ln].h=lh,li[ln].w=lw;
p=txt;
th+=lh;
if(tw<lw) tw=lw;
if(tw>screen->w-32) tw=screen->w-32;
if(th>screen->h-32) th=screen->h-32;
bx=(screen->w-tw-8)/2;
by=(screen->h-th-8)/2;
// Draw box
r.x=bx; r.y=by; r.w=tw+16; r.h=th+16;
SDL_FillRect(screen,&r,0xF7);
r.w=tw+16; r.h=1; SDL_FillRect(screen,&r,0x0F);
r.w=1; r.h=th+16; SDL_FillRect(screen,&r,0x0F);
r.x++; r.y++;
r.w=tw+14; r.h=1; SDL_FillRect(screen,&r,0x0D);
r.w=1; r.h=th+14; SDL_FillRect(screen,&r,0x0D);
r.x++; r.y++;
r.w=tw+12; r.h=1; SDL_FillRect(screen,&r,0x0B);
r.w=1; r.h=th+12; SDL_FillRect(screen,&r,0x0B);
r.x=bx+tw+15; r.y=by;
r.w=1; r.h=th+16; SDL_FillRect(screen,&r,0x02);
r.x--; r.y++; r.h-=2; SDL_FillRect(screen,&r,0x05);
r.x--; r.y++; r.h-=2; SDL_FillRect(screen,&r,0x08);
r.x=bx; r.y=by+th+15;
r.w=tw+16; r.h=1; SDL_FillRect(screen,&r,0x02);
r.x++; r.y--; r.w-=2; SDL_FillRect(screen,&r,0x05);
r.x++; r.y--; r.w-=2; SDL_FillRect(screen,&r,0x08);
// Draw text
bx+=8; by+=8; tw-=8; th-=8;
x=bx; y=by;
c=colo[0];
ln=0;
SDL_LockSurface(screen);
while(*p && ln<64 && y+li[ln].h<screen->h) switch(*p++) {
case 1 ... 8:
c=colo[p[-1]-1];
break;
case 10:
y+=li[ln++].h;
if(ln<64) x=li[ln].a?bx+(tw-li[ln].w)/2:bx;
break;
case 11:
// do nothing
break;
case 12:
if(x==bx) x+=(tw-li[ln].w)/2;
break;
case 14:
pop_image(x,y,li+ln,p);
x+=picture_size;
p=strchr(p,'\\')?:"";
if(*p) p++;
break;
case 15:
y+=li[ln++].h;
pop_bar(bx,y,li+ln,tw);
y+=8;
if(ln<64) x=li[ln].a?bx+(tw-li[ln].w)/2:bx;
break;
case 16:
pop_quiz(x,y,li+ln,c,*p);
if(*p) p++;
x+=24;
break;
case 31:
pop_char(x,y,li+ln,c,*p);
if(*p) p++;
x+=8;
default:
pop_char(x,y,li+ln,c,p[-1]);
x+=8;
break;
}
SDL_UnlockSurface(screen);
}
int modal_draw_popup(const unsigned char*txt) {
SDL_Event ev;
SDL_Rect r;
r.x=r.y=0;
r.w=screen->w;
r.h=4;
SDL_FillRect(screen,&r,0xFE);
set_cursor(XC_iron_cross);
redraw:
draw_popup(txt);
SDL_Flip(screen);
while(SDL_WaitEvent(&ev)) switch(ev.type) {
case SDL_QUIT:
SDL_PushEvent(&ev);
return -1;
case SDL_KEYDOWN:
switch(ev.key.keysym.sym) {
case SDLK_RETURN: case SDLK_KP_ENTER: case SDLK_ESCAPE:
return 0;
}
break;
case SDL_MOUSEBUTTONDOWN:
return 0;
case SDL_VIDEOEXPOSE:
goto redraw;
}
return -1;
}
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