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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 "chooser.h"
#include "resource_manager.h"
#include "math/binary.h"
#include "sdlx/surface.h"
#include "sdlx/font.h"
#include "box.h"
#ifdef _WINDOWS
# define strcasecmp _stricmp
#endif
Chooser::Chooser(const std::string &font, const std::vector<std::string> &options, const std::string &surface, bool with_background) :
_options(options), _i(0), _n(options.size()), _surface(NULL), _w(0), _background(NULL) {
_disabled.resize(_n);
if (!surface.empty())
_surface = ResourceManager->load_surface(surface);
_left_right = ResourceManager->load_surface("menu/left_right.png");
_font = ResourceManager->loadFont(font, true);
for(int i = 0; i < _n; ++i) {
int w = _font->render(NULL, 0, 0, options[i]);
if (w > _w)
_w = w;
}
if (with_background) {
int w, h;
Chooser::get_size(w, h);
_background = new Box("menu/background_box_dark.png", w, h);
}
}
const std::string& Chooser::getValue() const {
if (_options.empty())
throw_ex(("getValue() on non-text Chooser is invalid"));
return _options[_i];
}
void Chooser::get_size(int &w, int &h) const {
if (_n == 0) {
w = _left_right->get_width();
h = _left_right->get_height();
return;
}
if (_surface != NULL) {
w = _left_right->get_width() + _surface->get_width() / _n;
h = math::max(_left_right->get_height(), _surface->get_height());
} else {
w = _left_right->get_width() + _w;
h = math::max(_left_right->get_height(), _font->get_height());
}
}
void Chooser::render(sdlx::Surface &surface, const int x, const int y) const {
if (_background != NULL)
_background->render(surface, x - 4, y - 4);
int lrw = _left_right->get_width() / 2;
int lrh = _left_right->get_height();
int w, h;
get_size(w, h);
_left_area = sdlx::Rect(0, 0, lrw, lrh);
_right_area = sdlx::Rect(w - lrw, 0, lrw, lrh);
surface.blit(*_left_right, sdlx::Rect(0, 0, lrw, lrh), x + _left_area.x, y + _left_area.y);
if (_surface) {
surface.blit(*_surface,
sdlx::Rect(_i * _surface->get_width() / _n, 0, _surface->get_width() / _n, _surface->get_height()),
x + _left_area.x + lrw, y + (_left_area.h - _surface->get_height())/ 2);
} else {
if (_i < (int)_options.size()) {
int tw = _font->render(NULL, 0, 0, _options[_i]);
_font->render(surface, x + _left_area.x + (w - tw) / 2, y + (_left_area.h - _font->get_height())/ 2, _options[_i]);
}
}
surface.blit(*_left_right, sdlx::Rect(lrw, 0, lrw, lrh), x + _right_area.x, y + _right_area.y);
}
bool Chooser::onMouse(const int button, const bool pressed, const int x, const int y) {
if (pressed)
return true;
if (_left_area.in(x, y)) {
left();
return true;
} else if (_right_area.in(x, y)) {
right();
return true;
}
return false;
}
bool Chooser::onKey(const SDL_keysym sym) {
switch(sym.sym) {
/* case SDLK_LEFT:
left();
return true;
case SDLK_RIGHT:
right();
return true;
*/ default:
return false;
}
}
void Chooser::set(const int i) {
if (i < 0 || i >= _n)
throw_ex(("set(%d) is greater than available options (%d)", i, _n));
_i = i;
invalidate();
}
void Chooser::set(const std::string &name) {
for(int i = 0; i < _n; ++i) {
if (strcasecmp(name.c_str(), _options[i].c_str()) == 0) {
_i = i;
invalidate();
return;
}
}
throw_ex(("chooser doesnt contain option '%s'", name.c_str()));
}
void Chooser::left() {
if (_n == 0 || _n == 1)
return;
do {
--_i;
if (_i < 0)
_i = _n - 1;
} while(_disabled[_i]);
invalidate(true);
}
void Chooser::right() {
if (_n == 0 || _n == 1)
return;
do {
++_i;
if (_i >= _n)
_i = 0;
} while(_disabled[_i]);
invalidate(true);
}
void Chooser::disable(const int i, const bool value) {
if (i < 0 || i >= _n)
throw_ex(("disable(%d) called (n = %d)", i, _n));
_disabled[i] = value;
if (_disabled[_i])
right();
}
Chooser::~Chooser() {
delete _background;
}
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