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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 <ctype.h>
#include "tooltip.h"
#include "mrt/logger.h"
#include "menu/box.h"
#include "resource_manager.h"
#include "config.h"
#include "sdlx/font.h"
#include "mrt/utf8_utils.h"
#include "i18n.h"
#include <math.h>
#include <assert.h>
#include <deque>
Tooltip::Tooltip(const std::string &area, const std::string &message, const bool use_background, int w) :
area(area), message(message) {
init(I18n->get(area, message), use_background, w);
}
Tooltip::Tooltip(const std::string &area, const std::string &message, const std::string &text, const bool use_background, int w) :
area(area), message(message) {
init(text, use_background, w);
}
void Tooltip::init(const std::string &_text, const bool use_background, int width) {
_use_background = use_background;
std::string text;
bool space = true;
size_t i;
for(i = 0; i < _text.size(); ++i) {
const char c = _text[i];
const bool c_space = c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == '\v' || c == '\f';
if (c == '\\' && i + 1 < _text.size() && _text[i + 1] == 'n') {
//\n hack :)
++i;
if (space) {
text += "\n ";
} else {
text += " \n ";
space = true;
}
continue;
}
//LOG_DEBUG(("%d '%c': %s %s", c, c, space?"true":"false", c_space?"true":"false"));
if (space) {
if (c_space)
continue;
space = false;
text += c;
} else {
if (c_space) {
space = true;
text += ' ';
} else
text += c;
}
}
if (text.empty())
throw_ex(("tooltip with empty text is not allowed"));
//LOG_DEBUG(("trimmed string : '%s'", text.c_str()));
GET_CONFIG_VALUE("engine.tooltip-speed", float, td, 20);
_time = ((float)mrt::utf8_length(text)) / td;
std::vector<std::string> words;
mrt::split(words, text, " ");
for(size_t i = 0; i < words.size(); ++i) {
mrt::replace(words[i], "\\s", " ");
}
std::vector<int> lens;
lens.resize(words.size());
const sdlx::Font * font = ResourceManager->loadFont("small", false);
int line_h = font->get_height();
int total = 0, nl_n = 0;
for(size_t i = 0; i < words.size(); ++i) {
const std::string &word = words[i];
if (word == "\n") {
nl_n += line_h;
continue;
}
lens[i] = font->render(NULL, 0, 0, word + " ");
total += lens[i] * line_h;
}
bool hard;
if (width == 0) {
width = (int)(sqrt(total * 2 / 3.0f + nl_n * nl_n / 4.0f) + 0.5f);
hard = false;
} else {
hard = !_use_background;
}
std::vector<std::string> lines;
int line_w = 0, real_width = 1;
std::string line;
for(size_t i = 0; i < words.size(); ++i) {
const std::string &word = words[i];
const int len = lens[i];
line_w += len;
bool last = i + 1 == words.size();
bool nl = line_w >= width || word == "\n" || last;
if (nl) {
if (hard && !line.empty() && !last) { //hard edge
line_w -= len;
if (line_w > real_width)
real_width = line_w;
lines.push_back(line);
line = word + " ";
line_w = len;
} else {
if (line_w > real_width)
real_width = line_w;
lines.push_back(line + word);
line.clear();
line_w = 0;
}
} else {
line += word + " ";
}
}
//LOG_DEBUG(("line width: %d, lines: %u", width, lines.size()));
int xp = 0, yp = 0;
int height = line_h * lines.size();
if (_use_background) {
const sdlx::Surface *bg = ResourceManager->load_surface("menu/background_box.png");
int mx = bg->get_width() / 3, my = bg->get_height() / 3;
_background.init("menu/background_box.png", real_width + mx * 2, height + my * 2);
_surface.create_rgb(_background.w, _background.h, 32, SDL_SRCALPHA);
xp = (_background.w - real_width) / 2;
yp = (_background.h - height) / 2;
} else {
_surface.create_rgb(real_width, height, 32, SDL_SRCALPHA);
}
_surface.display_format_alpha();
for(size_t i = 0; i < lines.size(); ++i) {
font->render(_surface, xp, yp + i * line_h, lines[i]);
}
}
void Tooltip::render(sdlx::Surface &surface, const int x, const int y) const {
if (_use_background)
_background.render(surface, x, y);
surface.blit(_surface, x, y);
}
void Tooltip::get_size(int &w, int &h) const {
w = _surface.get_width();
h = _surface.get_height();
}
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