/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include <algorithm>
#include <guichan/graphics.hpp>
#include <guichan/imagefont.hpp>
#include <guichan/mouseinput.hpp>
#include "browserbox.h"
#include "linkhandler.h"
#ifdef USE_OPENGL
#include "../configuration.h"
#include "../resources/resourcemanager.h"
int BrowserBox::instances = 0;
gcn::ImageFont* BrowserBox::browserFont = NULL;
#endif
BrowserBox::BrowserBox(unsigned int mode):
gcn::Widget(),
mMode(mode), mHighMode(UNDERLINE | BACKGROUND),
mOpaque(true),
mUseLinksAndUserColors(true),
mSelectedLink(-1),
mMaxRows(0)
{
setFocusable(true);
addMouseListener(this);
#ifdef USE_OPENGL
if (config.getValue("opengl", 0.0f)) {
if (instances == 0) {
browserFont = new gcn::ImageFont(
"graphics/gui/browserfont.png",
" abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ01234567"
"89:@!\"$%&/=?^+*#[]{}()<>_;'.,\\|-~`"
"�������������륣�������������������");
}
setFont(browserFont);
instances++;
}
#endif
}
BrowserBox::~BrowserBox()
{
#ifdef USE_OPENGL
instances--;
if (instances == 0)
{
// Clean up static resource font
delete browserFont;
browserFont = NULL;
}
#endif
}
void BrowserBox::setLinkHandler(LinkHandler* linkHandler)
{
mLinkHandler = linkHandler;
}
void BrowserBox::setOpaque(bool opaque)
{
mOpaque = opaque;
}
void BrowserBox::setHighlightMode(unsigned int highMode)
{
mHighMode = highMode;
}
void BrowserBox::disableLinksAndUserColors()
{
mUseLinksAndUserColors = false;
}
void BrowserBox::addRow(const std::string &row)
{
std::string tmp = row;
std::string newRow;
BROWSER_LINK bLink;
int idx1, idx2, idx3;
gcn::ImageFont *font = dynamic_cast<gcn::ImageFont*>(getFont());
// Use links and user defined colors
if (mUseLinksAndUserColors)
{
// Check for links in format "@@link|Caption@@"
idx1 = tmp.find("@@");
while (idx1 >= 0)
{
idx2 = tmp.find("|", idx1);
idx3 = tmp.find("@@", idx2);
bLink.link = tmp.substr(idx1 + 2, idx2 - (idx1 + 2));
bLink.caption = tmp.substr(idx2 + 1, idx3 - (idx2 + 1));
bLink.y1 = mTextRows.size() * font->getHeight();
bLink.y2 = bLink.y1 + font->getHeight();
newRow += tmp.substr(0, idx1);
std::string tmp2 = newRow;
idx1 = tmp2.find("##");
while (idx1 >= 0)
{
tmp2.erase(idx1, 3);
idx1 = tmp2.find("##");
}
bLink.x1 = font->getWidth(tmp2) - 1;
bLink.x2 = bLink.x1 + font->getWidth(bLink.caption) + 1;
mLinks.push_back(bLink);
newRow += "##L" + bLink.caption;
tmp.erase(0, idx3 + 2);
if(tmp != "")
{
newRow += "##P";
}
idx1 = tmp.find("@@");
}
newRow += tmp;
}
// Don't use links and user defined colors
else
{
newRow = row;
}
mTextRows.push_back(newRow);
//discard older rows when a row limit has been set
if (mMaxRows > 0)
{
while (mTextRows.size() > mMaxRows) mTextRows.pop_front();
}
// Auto size mode
if (mMode == AUTO_SIZE)
{
std::string plain = newRow;
for (idx1 = plain.find("##"); idx1 >= 0; idx1 = plain.find("##"))
plain.erase(idx1, 3);
// Adjust the BrowserBox size
int w = font->getWidth(plain);
if (w > getWidth())
setWidth(w);
}
if (mMode == AUTO_WRAP)
{
unsigned int j, y = 0;
unsigned int nextChar;
char hyphen = '~';
int hyphenWidth = font->getWidth(hyphen);
int x = 0;
for (TextRowIterator i = mTextRows.begin(); i != mTextRows.end(); i++)
{
std::string row = *i;
for (j = 0; j < row.size(); j++)
{
x += font->getWidth(row.at(j));
nextChar = j + 1;
// Wraping between words (at blank spaces)
if ((nextChar < row.size()) && (row.at(nextChar) == ' '))
{
int nextSpacePos = row.find(" ", (nextChar + 1));
if (nextSpacePos <= 0)
{
nextSpacePos = row.size() - 1;
}
int nextWordWidth = font->getWidth(
row.substr(nextChar,
(nextSpacePos - nextChar)));
if ((x + nextWordWidth + 10) > getWidth())
{
x = 15; // Ident in new line
y += 1;
j++;
}
}
// Wrapping looong lines (brutal force)
else if ((x + 2 * hyphenWidth) > getWidth())
{
x = 15; // Ident in new line
y += 1;
}
}
}
setHeight(font->getHeight() * (mTextRows.size() + y));
}
else
{
setHeight(font->getHeight() * mTextRows.size());
}
}
void BrowserBox::clearRows()
{
mTextRows.clear();
mLinks.clear();
setWidth(0);
mSelectedLink = -1;
}
struct MouseOverLink
{
MouseOverLink(int x, int y) : mX(x),mY(y) { }
bool operator() (BROWSER_LINK &link)
{
return (mX >= link.x1 && mX < link.x2 &&
mY >= link.y1 && mY < link.y2);
}
int mX, mY;
};
void
BrowserBox::mousePressed(gcn::MouseEvent &event)
{
LinkIterator i = find_if(mLinks.begin(), mLinks.end(),
MouseOverLink(event.getX(), event.getY()));
if (i != mLinks.end()) {
mLinkHandler->handleLink(i->link);
}
}
void
BrowserBox::mouseMoved(gcn::MouseEvent &event)
{
LinkIterator i = find_if(mLinks.begin(), mLinks.end(),
MouseOverLink(event.getX(), event.getY()));
mSelectedLink = (i != mLinks.end()) ? (i - mLinks.begin()) : -1;
}
void
BrowserBox::draw(gcn::Graphics *graphics)
{
if (mOpaque)
{
graphics->setColor(gcn::Color(BGCOLOR));
graphics->fillRectangle(gcn::Rectangle(0, 0, getWidth(), getHeight()));
}
if (mSelectedLink >= 0)
{
if ((mHighMode & BACKGROUND))
{
graphics->setColor(gcn::Color(HIGHLIGHT));
graphics->fillRectangle(gcn::Rectangle(
mLinks[mSelectedLink].x1,
mLinks[mSelectedLink].y1,
mLinks[mSelectedLink].x2 - mLinks[mSelectedLink].x1,
mLinks[mSelectedLink].y2 - mLinks[mSelectedLink].y1
));
}
if ((mHighMode & UNDERLINE))
{
graphics->setColor(gcn::Color(LINK));
graphics->drawLine(
mLinks[mSelectedLink].x1,
mLinks[mSelectedLink].y2,
mLinks[mSelectedLink].x2,
mLinks[mSelectedLink].y2);
}
}
unsigned int j;
int x = 0, y = 0;
int wrappedLines = 0;
gcn::ImageFont *font = dynamic_cast<gcn::ImageFont*>(getFont());
graphics->setColor(BLACK);
for (TextRowIterator i = mTextRows.begin(); i != mTextRows.end(); i++)
{
int selColor = BLACK;
int prevColor = selColor;
std::string row = *(i);
x = 0;
for (j = 0; j < row.size(); j++)
{
if ( (mUseLinksAndUserColors && (j + 3) <= row.size()) ||
(!mUseLinksAndUserColors && (j == 0)) )
{
// Check for color change in format "##x", x = [L,P,0..9]
if ((row.at(j) == '#') && (row.at(j + 1) == '#'))
{
switch (row.at(j + 2))
{
case 'L': // Link color
prevColor = selColor;
selColor = LINK;
break;
case 'P': // Previous color
selColor = prevColor;
break;
case '1':
prevColor = selColor;
selColor = RED;
break;
case '2':
prevColor = selColor;
selColor = GREEN;
break;
case '3':
prevColor = selColor;
selColor = BLUE;
break;
case '4':
prevColor = selColor;
selColor = ORANGE;
break;
case '5':
prevColor = selColor;
selColor = YELLOW;
break;
case '6':
prevColor = selColor;
selColor = PINK;
break;
case '7':
prevColor = selColor;
selColor = PURPLE;
break;
case '8':
prevColor = selColor;
selColor = GRAY;
break;
case '9':
prevColor = selColor;
selColor = BROWN;
break;
case '0':
default:
prevColor = selColor;
selColor = BLACK;
}
j += 3;
if (j == row.size())
{
break;
}
}
graphics->setColor(gcn::Color(selColor));
}
// Check for line separators in format "---"
if (row == "---")
{
for (x = 0; x < getWidth(); x++)
{
font->drawGlyph(graphics, '-', x, y);
x += font->getWidth('-') - 2;
}
break;
}
// Draw each char
else
{
font->drawGlyph(graphics, row.at(j), x, y);
x += font->getWidth(row.at(j));
// Auto wrap mode
if (mMode == AUTO_WRAP)
{
unsigned int nextChar = j + 1;
char hyphen = '~';
int hyphenWidth = font->getWidth(hyphen);
// Wraping between words (at blank spaces)
if ((nextChar < row.size()) && (row.at(nextChar) == ' '))
{
int nextSpacePos = row.find(" ", (nextChar + 1));
if (nextSpacePos <= 0)
{
nextSpacePos = row.size() - 1;
}
int nextWordWidth = font->getWidth(
row.substr(nextChar,
(nextSpacePos - nextChar)));
if ((x + nextWordWidth + 10) > getWidth())
{
x = 15; // Ident in new line
y += font->getHeight();
wrappedLines++;
j++;
}
}
// Wrapping looong lines (brutal force)
else if ((x + 2 * hyphenWidth) > getWidth())
{
font->drawGlyph(graphics, hyphen,
getWidth() - hyphenWidth, y);
x = 15; // Ident in new line
y += font->getHeight();
wrappedLines++;
}
}
}
}
y += font->getHeight();
setHeight((mTextRows.size() + wrappedLines) * font->getHeight());
}
}