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/* Battle Tanks Game
* Copyright (C) 2006-2009 Battle Tanks team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Additional rights can be granted beyond the GNU General Public License
* on the terms provided in the Exception. If you modify this file,
* you may extend this exception to your version of the file,
* but you are not obligated to do so. If you do not wish to provide this
* exception without modification, you must delete this exception statement
* from your version and license this file solely under the GPL without exception.
*/
#include "menu.h"
#include "menu_item.h"
#include "sound/mixer.h"
#include "sdlx/font.h"
Menu::Menu() : spacing(4), current_item(0), width(0), height(0) {}
void Menu::add(MenuItem *item) {
int w;
get_size(w, height);
int cw, ch;
item->get_size(cw, ch);
if (w >= cw) {
Container::add((w - cw) / 2, height + spacing, item);
} else {
int dx = (cw - w) / 2;
for(ControlList::iterator i = _controls.begin(); i != _controls.end(); ++i) {
int bx, by;
(*i)->get_base(bx, by);
(*i)->set_base(bx + dx, by);
}
Container::add(0, height + spacing, item);
}
get_size(width, height);
}
const Control * Menu::get_current_item() const {
int idx = 0;
for(ControlList::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
if (idx++ == current_item)
return *i;
}
return NULL;
}
Control * Menu::get_current_item() {
int idx = 0;
for(ControlList::iterator i = _controls.begin(); i != _controls.end(); ++i) {
if (idx++ == current_item)
return *i;
}
return NULL;
}
void Menu::render(sdlx::Surface &surface, const int x, const int y) const {
int bw, bh;
background.get_size(bw, bh);
int dx = (width - bw) / 2, dy = (height - bh) / 2;
background.render(surface, x + dx, y + dy);
const Control *c = get_current_item();
if (c != NULL) {
int cx, cy;
c->get_base(cx, cy);
int cw, ch;
const MenuItem * mi = dynamic_cast<const MenuItem *>(c);
if (mi != NULL) {
//optimization :)
ch = mi->get_font()->get_height();
} else {
c->get_size(cw, ch);
}
background.renderHL(surface, x + dx, y + cy + ch / 2 + 2);
}
Container::render(surface, x, y);
}
bool Menu::onKey(const SDL_keysym sym) {
Control *item = get_current_item();
if (item != NULL && item->onKey(sym)) {
if (item->changed()) {
item->reset();
invalidate();
}
}
switch(sym.sym) {
case SDLK_UP:
up();
return true;
case SDLK_DOWN:
down();
return true;
case SDLK_ESCAPE:
hide();
return true;
default:
return false;
}
}
void Menu::up() {
int n = _controls.size();
--current_item;
if (current_item < 0)
current_item += n;
Mixer->playSample(NULL, "menu/move.ogg", false);
}
void Menu::down() {
int n = _controls.size();
++current_item;
if (current_item >= n)
current_item %= n;
Mixer->playSample(NULL, "menu/move.ogg", false);
}
bool Menu::onMouse(const int button, const bool pressed, const int x, const int y) {
if (Container::onMouse(button, pressed, x, y)) {
int idx = 0;
for(ControlList::const_iterator i = _controls.begin(); i != _controls.end(); ++i, ++idx) {
Control * c = *i;
if (c->changed()) {
c->reset();
current_item = idx;
invalidate();
}
}
return true;
}
return false;
}
bool Menu::onMouseMotion(const int state, const int x, const int y, const int xrel, const int yrel) {
return Container::onMouseMotion(state, x, y, xrel, yrel);
}
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