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int showmenu(SDL_Surface* screen, TTF_Font* font)
{
Uint32 time;
int x, y;
const int NUMMENU = 2;
const char* labels[NUMMENU] = {"Continue","Exit"};
SDL_Surface* menus[NUMMENU];
bool selected[NUMMENU] = {0,0};
SDL_Color color[2] = {{255,255,255},{255,0,0}};
menus[0] = TTF_RenderText_Solid(font,labels[0],color[0]);
menus[1] = TTF_RenderText_Solid(font,labels[1],color[0]);
SDL_Rect pos[NUMMENU];
pos[0].x = screen->clip_rect.w/2 - menus[0]->clip_rect.w/2;
pos[0].y = screen->clip_rect.h/2 - menus[0]->clip_rect.h;
pos[1].x = screen->clip_rect.w/2 - menus[0]->clip_rect.w/2;
pos[1].y = screen->clip_rect.h/2 + menus[0]->clip_rect.h;
SDL_FillRect(screen,&screen->clip_rect,SDL_MapRGB(screen->format,0x00,0x00,0x00));
SDL_Event event;
while(1)
{
time = SDL_GetTicks();
while(SDL_PollEvent(&event))
{
switch(event.type)
{
case SDL_QUIT:
SDL_FreeSurface(menus[0]);
SDL_FreeSurface(menus[1]);
return 1;
case SDL_MOUSEMOTION:
x = event.motion.x;
y = event.motion.y;
for(int i = 0; i < NUMMENU; i += 1)
{
if(x >= pos[i].x && x <= pos[i].x + pos[i].w &&
y >= pos[i].y && y <= pos[i].y + pos[i].h)
{
if(!selected[i])
{
selected[i] = 1;
SDL_FreeSurface(menus[i]);
menus[i] = TTF_RenderText_Solid(font,labels[i],color[1]);
}
}
else
{
if(selected[i])
{
selected[i] = 0;
SDL_FreeSurface(menus[i]);
menus[i] = TTF_RenderText_Solid(font,labels[i],color[0]);
}
}
}
break;
case SDL_MOUSEBUTTONDOWN:
x = event.button.x;
y = event.button.y;
for(int i = 0; i < NUMMENU; i += 1)
{
if(x >= pos[i].x && x <= pos[i].x + pos[i].w &&
y >= pos[i].y && y <= pos[i].y + pos[i].h)
{
SDL_FreeSurface(menus[0]);
SDL_FreeSurface(menus[1]);
return i;
}
}
break;
case SDL_KEYDOWN:
if(event.key.keysym.sym == SDLK_ESCAPE)
{
SDL_FreeSurface(menus[0]);
SDL_FreeSurface(menus[1]);
return 0;
}
}
}
for(int i = 0; i < NUMMENU; i += 1)
{
SDL_BlitSurface(menus[i],NULL,screen,&pos[i]);
}
}
}
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