source: abuse/branches/lol/src/gui.cpp @ 732 Tweet

/*
 *  Abuse - dark 2D side-scrolling platform game
 *  Copyright (c) 1995 Crack dot Com
 *  Copyright (c) 2005-2013 Sam Hocevar <sam@hocevar.net>
 *
 *  This software was released into the Public Domain. As with most public
 *  domain software, no warranty is made or implied by Crack dot Com, by
 *  Jonathan Clark, or by Sam Hocevar.
 */

#if HAVE_CONFIG_H
#   include "config.h"
#endif

#include "common.h"

#include "cache.h"
#include "gui.h"
#include "dev.h"
#include "loader2.h"

void AIconButton::set_act_id(int id)
{
  activate_id=id;
}

AIconSwitchButton::AIconSwitchButton(ivec2 pos, int id, int start_on, AWidgetList const &buttons)
  : AWidget(pos, id)
{
  m_buttons = buttons;
  m_current = start_on < m_buttons.Count() ? start_on : -1;
  act = 0;
  for (int i = 0; i < m_buttons.Count(); ++i)
      m_buttons[i]->m_pos = m_pos;
}

ibox2 AIconSwitchButton::GetArea()
{
    if (!m_buttons.Count())
        return ibox2(m_pos, m_pos);

    ibox2 ret(10000, 10000, -10000, -10000);

    for (int i = 0; i < m_buttons.Count(); ++i)
    {
        ibox2 tmp = m_buttons[i]->GetArea();
        ret.A = lol::min(ret.A, tmp.A);
        ret.B = lol::max(ret.B, tmp.B);
    }

    return ret;
}

AWidget *AIconSwitchButton::unlink(int id)
{
  for (int i = 0; i < m_buttons.Count(); ++i)
  {
    if (m_buttons[i]->m_id == id)
    {
      AWidget *ret = m_buttons[i];
      m_buttons.Remove(i);
      if (m_current >= m_buttons.Count())
        m_current = 0;
      return ret;
    }
    AWidget *x = m_buttons[i]->unlink(id);
    if (x)
      return x;
  }
  return nullptr;
}

void AIconSwitchButton::handle_event(Event &ev, AImage *screen, InputManager *im)
{
  if ((ev.type == EV_KEY && ev.key == 13)
       || (ev.type == EV_MOUSE_BUTTON && ev.mouse_button))
  {
    ++m_current;
    if (m_current >= m_buttons.Count())
      m_current = 0;
    m_buttons[m_current]->Draw(act, screen);
    m_buttons[m_current]->handle_event(ev, screen, im);
  }
}

void AIconButton::Draw(int active, AImage *screen)
{
    ibox2 area = GetArea();

    if (active != act && activate_id != -1 && active)
        wm->Push(Event(activate_id, NULL));

    screen->PutImage(cache.img((up && !active) ? u :
                               (up && active) ? ua :
                               (!up && !active) ? d : da), area.A);

    if (act != active && active && activate_id != -1)
        wm->Push(Event(activate_id, NULL));
    act = active;

    if (active && key[0])
    {
        int g = 80;
        screen->Bar(ivec2(0, 0), ivec2(144, 20), 0);
        wm->font()->PutString(screen, ivec2::zero, symbol_str(key),
                              color_table->Lookup(u8vec3(g >> 3, g >> 3, g >> 3)));
    }
    else if (!active && key[0])
    {
        screen->Bar(ivec2(0, 0), ivec2(144, 20), 0);
    }
}

extern long S_BUTTON_PRESS_SND;
extern int sfx_volume;

void AIconButton::handle_event(Event &ev, AImage *screen, InputManager *im)
{
  if ((ev.type == EV_KEY && ev.key == 13)
       || (ev.type == EV_MOUSE_BUTTON && ev.mouse_button))
  {
    ibox2 area = GetArea(); /* FIXME: was this always unused? */
    up = !up;
    Draw(act, screen);
    wm->Push(Event(m_id, (char *)this));
    if (S_BUTTON_PRESS_SND)
      cache.sfx(S_BUTTON_PRESS_SND)->play(sfx_volume);
  }
}

ibox2 AIconButton::GetArea()
{
    return ibox2(m_pos, m_pos + cache.img(u)->Size() - ivec2(1));
}

AIconButton::AIconButton(ivec2 pos, int id, int Up, int down, int upa, int downa, int act_id, char const *help_key)
  : AWidget(pos, id)
{
  if (help_key)
  {
    strncpy(key,help_key,15);
    key[15]=0;
  }
  else key[0]=0;

  up=1;
  u=Up; d=down;
  ua=upa; da=downa;
  activate_id=act_id;
  act = 0;
}

AIconSwitchButton::~AIconSwitchButton()
{
  for (int i = 0; i < m_buttons.Count(); ++i)
    delete m_buttons[i];
  m_buttons.Empty();
}