/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2017 The ManaPlus Developers
* Copyright (C) 2009 Aethyra Development Team
*
* This file is part of The ManaPlus Client.
*
* 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
* 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, see .
*/
#include "gui/widgets/browserbox.h"
#include "enums/gui/linkhighlightmode.h"
#include "gui/gui.h"
#include "gui/mouseoverlink.h"
#include "gui/skin.h"
#include "gui/fonts/font.h"
#include "gui/widgets/linkhandler.h"
#include "render/graphics.h"
#include "resources/imageset.h"
#include "resources/image/image.h"
#include "resources/loaders/imageloader.h"
#include "resources/loaders/imagesetloader.h"
#include "utils/browserboxtools.h"
#include "utils/checkutils.h"
#include "utils/stringutils.h"
#include "utils/timer.h"
#include "utils/translation/podict.h"
#include
#include "debug.h"
ImageSet *BrowserBox::mEmotes = nullptr;
int BrowserBox::mInstances = 0;
#define readColor(color) \
mColors[0][ColorName::color] = getThemeColor(ThemeColorId::color); \
mColors[1][ColorName::color] = getThemeColor(ThemeColorId::color##_OUTLINE)
BrowserBox::BrowserBox(const Widget2 *const widget,
const BrowserBoxModeT mode,
const Opaque opaque,
const std::string &skin) :
Widget(widget),
MouseListener(),
WidgetListener(),
mTextRows(),
mTextRowLinksCount(),
mLineParts(),
mLinks(),
mLinkHandler(nullptr),
mSkin(nullptr),
mMode(mode),
mHighlightMode(0),
mSelectedLink(-1),
mMaxRows(0),
mHeight(0),
mWidth(0),
mYStart(0),
mUpdateTime(-1),
mPadding(0),
mNewLinePadding(15U),
mItemPadding(0),
mDataWidth(0),
mHighlightColor(getThemeColor(ThemeColorId::HIGHLIGHT)),
mHyperLinkColor(getThemeColor(ThemeColorId::HYPERLINK)),
mOpaque(opaque),
mUseLinksAndUserColors(true),
mUseEmotes(true),
mAlwaysUpdate(true),
mProcessVars(false),
mEnableImages(false),
mEnableKeys(false),
mEnableTabs(false)
{
mAllowLogic = false;
setFocusable(true);
addMouseListener(this);
addWidgetListener(this);
mBackgroundColor = getThemeColor(ThemeColorId::BACKGROUND);
if (theme != nullptr)
mSkin = theme->load(skin, "browserbox.xml");
if (mInstances == 0)
{
mEmotes = Loader::getImageSet(
"graphics/sprites/chatemotes.png", 17, 18);
}
mInstances ++;
if (mSkin != nullptr)
{
mPadding = mSkin->getPadding();
mNewLinePadding = CAST_U32(
mSkin->getOption("newLinePadding", 15));
mItemPadding = mSkin->getOption("itemPadding");
if (mSkin->getOption("highlightBackground") != 0)
mHighlightMode |= LinkHighlightMode::BACKGROUND;
if (mSkin->getOption("highlightUnderline") != 0)
mHighlightMode |= LinkHighlightMode::UNDERLINE;
}
readColor(BLACK);
readColor(RED);
readColor(GREEN);
readColor(BLUE);
readColor(ORANGE);
readColor(YELLOW);
readColor(PINK);
readColor(PURPLE);
readColor(GRAY);
readColor(BROWN);
mForegroundColor = getThemeColor(ThemeColorId::BROWSERBOX);
mForegroundColor2 = getThemeColor(ThemeColorId::BROWSERBOX_OUTLINE);
}
BrowserBox::~BrowserBox()
{
if (gui != nullptr)
gui->removeDragged(this);
if (theme != nullptr)
{
theme->unload(mSkin);
mSkin = nullptr;
}
mInstances --;
if (mInstances == 0)
{
if (mEmotes != nullptr)
{
mEmotes->decRef();
mEmotes = nullptr;
}
}
}
void BrowserBox::setLinkHandler(LinkHandler* linkHandler)
{
mLinkHandler = linkHandler;
}
void BrowserBox::addRow(const std::string &row, const bool atTop)
{
std::string tmp = row;
std::string newRow;
size_t idx1;
const Font *const font = getFont();
int linksCount = 0;
if (getWidth() < 0)
return;
if (mProcessVars)
{
BrowserBoxTools::replaceVars(tmp);
}
// Use links and user defined colors
if (mUseLinksAndUserColors)
{
BrowserLink bLink;
// Check for links in format "@@link|Caption@@"
const uint32_t sz = CAST_U32(mTextRows.size());
if (mEnableKeys)
{
BrowserBoxTools::replaceKeys(tmp);
}
idx1 = tmp.find("@@");
while (idx1 != std::string::npos)
{
const size_t idx2 = tmp.find('|', idx1);
const size_t idx3 = tmp.find("@@", idx2);
if (idx2 == std::string::npos || idx3 == std::string::npos)
break;
bLink.link = tmp.substr(idx1 + 2, idx2 - (idx1 + 2));
bLink.caption = tmp.substr(idx2 + 1, idx3 - (idx2 + 1));
bLink.y1 = CAST_S32(sz) * font->getHeight();
bLink.y2 = bLink.y1 + font->getHeight();
if (bLink.caption.empty())
{
bLink.caption = BrowserBoxTools::replaceLinkCommands(
bLink.link);
if (translator != nullptr)
bLink.caption = translator->getStr(bLink.caption);
}
newRow.append(tmp.substr(0, idx1));
std::string tmp2 = newRow;
idx1 = tmp2.find("##");
while (idx1 != std::string::npos)
{
tmp2.erase(idx1, 3);
idx1 = tmp2.find("##");
}
bLink.x1 = font->getWidth(tmp2) - 1;
bLink.x2 = bLink.x1 + font->getWidth(bLink.caption) + 1;
if (atTop)
mLinks.insert(mLinks.begin(), bLink);
else
mLinks.push_back(bLink);
linksCount ++;
newRow.append("##<").append(bLink.caption);
tmp.erase(0, idx3 + 2);
if (!tmp.empty())
newRow.append("##>");
idx1 = tmp.find("@@");
}
newRow.append(tmp);
}
// Don't use links and user defined colors
else
{
newRow = row;
}
if (mEnableTabs)
{
BrowserBoxTools::replaceTabs(newRow);
}
if (atTop)
{
mTextRows.push_front(newRow);
mTextRowLinksCount.push_front(linksCount);
}
else
{
mTextRows.push_back(newRow);
mTextRowLinksCount.push_back(linksCount);
}
// discard older rows when a row limit has been set
if (mMaxRows > 0 && !mTextRows.empty())
{
while (mTextRows.size() > CAST_SIZE(mMaxRows))
{
mTextRows.pop_front();
int cnt = mTextRowLinksCount.front();
mTextRowLinksCount.pop_front();
while ((cnt != 0) && !mLinks.empty())
{
mLinks.erase(mLinks.begin());
cnt --;
}
}
}
// Auto size mode
if (mMode == BrowserBoxMode::AUTO_SIZE)
{
std::string plain = newRow;
// workaround if used only one string started from bold
// width for this string can be calculated wrong
// this workaround fix width if string start from bold sign
const bool startBold = (plain.find("##B") == 0);
for (idx1 = plain.find("##");
idx1 != std::string::npos;
idx1 = plain.find("##"))
{
plain.erase(idx1, 3);
}
// Adjust the BrowserBox size
const int w = startBold ?
boldFont->getWidth(plain) : font->getWidth(plain) + 2 * mPadding;
if (w > getWidth())
setWidth(w);
}
const int fontHeight = font->getHeight();
if (mMode == BrowserBoxMode::AUTO_WRAP)
{
unsigned int y = 0;
unsigned int nextChar;
const char *const hyphen = "~";
const unsigned int hyphenWidth = CAST_U32(
font->getWidth(hyphen));
unsigned int x = 0;
FOR_EACH (TextRowCIter, i, mTextRows)
{
std::string tempRow = *i;
for (uint32_t j = 0, sz = CAST_U32(tempRow.size());
j < sz;
j++)
{
const std::string character = tempRow.substr(j, 1);
x += CAST_U32(font->getWidth(character));
nextChar = j + 1;
// Wraping between words (at blank spaces)
if (nextChar < sz && tempRow.at(nextChar) == ' ')
{
int nextSpacePos = CAST_U32(
tempRow.find(' ', (nextChar + 1)));
if (nextSpacePos <= 0)
nextSpacePos = CAST_U32(sz) - 1U;
const unsigned int nextWordWidth =
CAST_U32(font->getWidth(
tempRow.substr(nextChar,
(CAST_U32(nextSpacePos) - nextChar))));
if ((x + nextWordWidth + 10)
> CAST_U32(getWidth()))
{
x = mNewLinePadding; // Ident in new line
y += 1;
j ++;
}
}
// Wrapping looong lines (brutal force)
else if ((x + 2 * hyphenWidth)
> CAST_U32(getWidth()))
{
x = mNewLinePadding; // Ident in new line
y += 1;
}
}
}
setHeight(fontHeight * (CAST_S32(
CAST_U32(mTextRows.size()) + y)));
}
else
{
setHeight(fontHeight * CAST_S32(mTextRows.size()));
}
mUpdateTime = 0;
updateHeight();
}
void BrowserBox::addRow(const std::string &cmd, const char *const text)
{
addRow(strprintf("@@%s|%s@@", encodeLinkText(cmd).c_str(),
encodeLinkText(text).c_str()));
}
void BrowserBox::addImage(const std::string &path)
{
if (!mEnableImages)
return;
mTextRows.push_back("~~~" + path);
mTextRowLinksCount.push_back(0);
}
void BrowserBox::clearRows()
{
mTextRows.clear();
mTextRowLinksCount.clear();
mLinks.clear();
setWidth(0);
setHeight(0);
mSelectedLink = -1;
mUpdateTime = 0;
mDataWidth = 0;
updateHeight();
}
void BrowserBox::mousePressed(MouseEvent &event)
{
if (mLinkHandler == nullptr)
return;
const LinkIterator i = std::find_if(mLinks.begin(), mLinks.end(),
MouseOverLink(event.getX(), event.getY()));
if (i != mLinks.end())
{
mLinkHandler->handleLink(i->link, &event);
event.consume();
}
}
void BrowserBox::mouseMoved(MouseEvent &event)
{
const LinkIterator i = std::find_if(mLinks.begin(), mLinks.end(),
MouseOverLink(event.getX(), event.getY()));
mSelectedLink = (i != mLinks.end())
? CAST_S32(i - mLinks.begin()) : -1;
}
void BrowserBox::mouseExited(MouseEvent &event A_UNUSED)
{
mSelectedLink = -1;
}
void BrowserBox::draw(Graphics *const graphics)
{
BLOCK_START("BrowserBox::draw")
const ClipRect &cr = graphics->getTopClip();
mYStart = cr.y - cr.yOffset;
const int yEnd = mYStart + cr.height;
if (mYStart < 0)
mYStart = 0;
if (mDimension.width != mWidth)
{
updateHeight();
reportAlways("browserbox resize in draw");
}
if (mOpaque == Opaque_true)
{
graphics->setColor(mBackgroundColor);
graphics->fillRectangle(Rect(0, 0,
mDimension.width, mDimension.height));
}
if (mSelectedLink >= 0 &&
mSelectedLink < CAST_S32(mLinks.size()))
{
if ((mHighlightMode & LinkHighlightMode::BACKGROUND) != 0u)
{
BrowserLink &link = mLinks[CAST_SIZE(mSelectedLink)];
graphics->setColor(mHighlightColor);
graphics->fillRectangle(Rect(
link.x1,
link.y1,
link.x2 - link.x1,
link.y2 - link.y1));
}
if ((mHighlightMode & LinkHighlightMode::UNDERLINE) != 0u)
{
BrowserLink &link = mLinks[CAST_SIZE(mSelectedLink)];
graphics->setColor(mHyperLinkColor);
graphics->drawLine(
link.x1,
link.y2,
link.x2,
link.y2);
}
}
Font *const font = getFont();
FOR_EACH (LinePartCIter, i, mLineParts)
{
const LinePart &part = *i;
if (part.mY + 50 < mYStart)
continue;
if (part.mY > yEnd)
break;
if (part.mType == 0u)
{
if (part.mBold)
{
boldFont->drawString(graphics,
part.mColor,
part.mColor2,
part.mText,
part.mX, part.mY);
}
else
{
font->drawString(graphics,
part.mColor,
part.mColor2,
part.mText,
part.mX, part.mY);
}
}
else if (part.mImage != nullptr)
{
graphics->drawImage(part.mImage, part.mX, part.mY);
}
}
BLOCK_END("BrowserBox::draw")
}
void BrowserBox::safeDraw(Graphics *const graphics)
{
BrowserBox::draw(graphics);
}
int BrowserBox::calcHeight()
{
unsigned int y = CAST_U32(mPadding);
int wrappedLines = 0;
int moreHeight = 0;
int maxWidth = mDimension.width - mPadding;
int link = 0;
bool bold = false;
unsigned int wWidth = CAST_U32(maxWidth);
if (maxWidth < 0)
return 1;
const Font *const font = getFont();
const int fontHeight = font->getHeight() + 2 * mItemPadding;
const int fontWidthMinus = font->getWidth("-");
const char *const hyphen = "~";
const int hyphenWidth = font->getWidth(hyphen);
Color selColor[2] = {mForegroundColor, mForegroundColor2};
const Color textColor[2] = {mForegroundColor, mForegroundColor2};
mLineParts.clear();
FOR_EACH (TextRowCIter, i, mTextRows)
{
unsigned int x = CAST_U32(mPadding);
const std::string row = *(i);
bool wrapped = false;
int objects = 0;
// Check for separator lines
if (row.find("---", 0) == 0)
{
const int dashWidth = fontWidthMinus;
for (x = CAST_U32(mPadding); x < wWidth; x ++)
{
mLineParts.push_back(LinePart(CAST_S32(x),
CAST_S32(y) + mItemPadding,
selColor[0], selColor[1], "-", false));
x += CAST_U32(CAST_S32(
dashWidth) - 2);
}
y += CAST_U32(fontHeight);
continue;
}
else if (mEnableImages && row.find("~~~", 0) == 0)
{
std::string str = row.substr(3);
const size_t sz = str.size();
if (sz > 2 && str.substr(sz - 1) == "~")
str = str.substr(0, sz - 1);
Image *const img = Loader::getImage(str);
if (img != nullptr)
{
img->incRef();
mLineParts.push_back(LinePart(CAST_S32(x),
CAST_S32(y) + mItemPadding,
selColor[0], selColor[1], img));
y += CAST_U32(img->getHeight() + 2);
moreHeight += img->getHeight();
if (img->getWidth() > maxWidth)
maxWidth = img->getWidth() + 2;
}
continue;
}
Color prevColor[2];
prevColor[0] = selColor[0];
prevColor[1] = selColor[1];
bold = false;
const int xPadding = CAST_S32(mNewLinePadding) + mPadding;
for (size_t start = 0, end = std::string::npos;
start != std::string::npos;
start = end, end = std::string::npos)
{
bool processed(false);
// Wrapped line continuation shall be indented
if (wrapped)
{
y += CAST_U32(fontHeight);
x = CAST_U32(xPadding);
wrapped = false;
}
size_t idx1 = end;
size_t idx2 = end;
// "Tokenize" the string at control sequences
if (mUseLinksAndUserColors)
idx1 = row.find("##", start + 1);
if (start == 0 || mUseLinksAndUserColors)
{
// Check for color change in format "##x", x = [L,P,0..9]
if (row.find("##", start) == start && row.size() > start + 2)
{
const signed char c = row.at(start + 2);
bool valid(false);
const Color col[2] =
{
getThemeCharColor(c, valid),
getThemeCharColor(CAST_S8(
c | 0x80), valid)
};
if (c == '>')
{
selColor[0] = prevColor[0];
selColor[1] = prevColor[1];
}
else if (c == '<')
{
prevColor[0] = selColor[0];
prevColor[1] = selColor[1];
selColor[0] = col[0];
selColor[1] = col[1];
}
else if (c == 'B')
{
bold = true;
}
else if (c == 'b')
{
bold = false;
}
else if (valid)
{
selColor[0] = col[0];
selColor[1] = col[1];
}
else
{
switch (c)
{
case '0':
selColor[0] = mColors[0][ColorName::BLACK];
selColor[1] = mColors[1][ColorName::BLACK];
break;
case '1':
selColor[0] = mColors[0][ColorName::RED];
selColor[1] = mColors[1][ColorName::RED];
break;
case '2':
selColor[0] = mColors[0][ColorName::GREEN];
selColor[1] = mColors[1][ColorName::GREEN];
break;
case '3':
selColor[0] = mColors[0][ColorName::BLUE];
selColor[1] = mColors[1][ColorName::BLUE];
break;
case '4':
selColor[0] = mColors[0][ColorName::ORANGE];
selColor[1] = mColors[1][ColorName::ORANGE];
break;
case '5':
selColor[0] = mColors[0][ColorName::YELLOW];
selColor[1] = mColors[1][ColorName::YELLOW];
break;
case '6':
selColor[0] = mColors[0][ColorName::PINK];
selColor[1] = mColors[1][ColorName::PINK];
break;
case '7':
selColor[0] = mColors[0][ColorName::PURPLE];
selColor[1] = mColors[1][ColorName::PURPLE];
break;
case '8':
selColor[0] = mColors[0][ColorName::GRAY];
selColor[1] = mColors[1][ColorName::GRAY];
break;
case '9':
selColor[0] = mColors[0][ColorName::BROWN];
selColor[1] = mColors[1][ColorName::BROWN];
break;
default:
selColor[0] = textColor[0];
selColor[1] = textColor[1];
break;
}
}
if (c == '<' && link < CAST_S32(mLinks.size()))
{
int size;
if (bold)
{
size = boldFont->getWidth(
mLinks[CAST_SIZE(link)].caption) + 1;
}
else
{
size = font->getWidth(
mLinks[CAST_SIZE(link)].caption) + 1;
}
BrowserLink &linkRef = mLinks[CAST_SIZE(
link)];
linkRef.x1 = CAST_S32(x);
linkRef.y1 = CAST_S32(y);
linkRef.x2 = linkRef.x1 + size;
linkRef.y2 = CAST_S32(y) + fontHeight - 1;
link++;
}
processed = true;
start += 3;
if (start == row.size())
break;
}
}
if (mUseEmotes)
idx2 = row.find("%%", start + 1);
if (idx1 < idx2)
end = idx1;
else
end = idx2;
if (mUseEmotes)
{
// check for emote icons
if (row.size() > start + 2 && row.substr(start, 2) == "%%")
{
if (objects < 5)
{
const int cid = row.at(start + 2) - '0';
if (cid >= 0)
{
if (mEmotes != nullptr)
{
const size_t sz = mEmotes->size();
if (CAST_SIZE(cid) < sz)
{
Image *const img = mEmotes->get(
CAST_SIZE(cid));
if (img != nullptr)
{
mLineParts.push_back(LinePart(
CAST_S32(x),
CAST_S32(y) + mItemPadding,
selColor[0], selColor[1], img));
x += 18;
}
}
}
}
objects ++;
processed = true;
}
start += 3;
if (start == row.size())
{
if (x > mDataWidth)
mDataWidth = x;
break;
}
}
}
const size_t len = (end == std::string::npos) ? end : end - start;
if (start >= row.length())
break;
std::string part = row.substr(start, len);
int width = 0;
if (bold)
width = boldFont->getWidth(part);
else
width = font->getWidth(part);
// Auto wrap mode
if (mMode == BrowserBoxMode::AUTO_WRAP &&
wWidth > 0 &&
width > 0 &&
(x + CAST_U32(width) + 10) > wWidth)
{
bool forced = false;
/* FIXME: This code layout makes it easy to crash remote
clients by talking garbage. Forged long utf-8 characters
will cause either a buffer underflow in substr or an
infinite loop in the main loop. */
do
{
if (!forced)
end = row.rfind(' ', end);
// Check if we have to (stupidly) force-wrap
if (end == std::string::npos || end <= start)
{
forced = true;
end = row.size();
x += CAST_U32(hyphenWidth);
continue;
}
// Skip to the start of the current character
while ((row[end] & 192) == 128)
end--;
end--; // And then to the last byte of the previous one
part = row.substr(start, end - start + 1);
if (bold)
width = boldFont->getWidth(part);
else
width = font->getWidth(part);
}
while (end > start &&
width > 0 &&
(x + CAST_U32(width) + 10) > wWidth);
if (forced)
{
x -= CAST_U32(hyphenWidth);
mLineParts.push_back(LinePart(
CAST_S32(wWidth) - hyphenWidth,
CAST_S32(y) + mItemPadding,
selColor[0], selColor[1], hyphen, bold));
end++; // Skip to the next character
}
else
{
end += 2; // Skip to after the space
}
wrapped = true;
wrappedLines++;
}
mLineParts.push_back(LinePart(CAST_S32(x),
CAST_S32(y) + mItemPadding,
selColor[0], selColor[1], part.c_str(), bold));
if (bold)
width = boldFont->getWidth(part);
else
width = font->getWidth(part);
if (mMode == BrowserBoxMode::AUTO_WRAP &&
(width == 0 && !processed))
{
break;
}
x += CAST_U32(width);
if (x > mDataWidth)
mDataWidth = x;
}
y += CAST_U32(fontHeight);
}
if (CAST_S32(wWidth) != maxWidth)
setWidth(maxWidth);
return (CAST_S32(mTextRows.size()) + wrappedLines)
* fontHeight + moreHeight + 2 * mPadding;
}
void BrowserBox::updateHeight()
{
if (mAlwaysUpdate || mUpdateTime != cur_time
|| mTextRows.size() < 3 || (mUpdateTime == 0))
{
mWidth = mDimension.width;
mHeight = calcHeight();
setHeight(mHeight);
mUpdateTime = cur_time;
}
}
std::string BrowserBox::getTextAtPos(const int x, const int y) const
{
int textX = 0;
int textY = 0;
getAbsolutePosition(textX, textY);
if (x < textX || y < textY)
return std::string();
textY = y - textY;
std::string str;
int lastY = 0;
FOR_EACH (LinePartCIter, i, mLineParts)
{
const LinePart &part = *i;
if (part.mY + 50 < mYStart)
continue;
if (part.mY > textY)
break;
if (part.mY > lastY)
{
str = part.mText;
lastY = part.mY;
}
else
{
str.append(part.mText);
}
}
return str;
}
void BrowserBox::setForegroundColorAll(const Color &color1,
const Color &color2)
{
mForegroundColor = color1;
mForegroundColor2 = color2;
}
void BrowserBox::moveSelectionUp()
{
if (mSelectedLink <= 0)
mSelectedLink = CAST_S32(mLinks.size()) - 1;
else
mSelectedLink --;
}
void BrowserBox::moveSelectionDown()
{
mSelectedLink ++;
if (mSelectedLink >= static_cast(mLinks.size()))
mSelectedLink = 0;
}
void BrowserBox::selectSelection()
{
if ((mLinkHandler == nullptr) ||
mSelectedLink < 0 ||
mSelectedLink >= static_cast(mLinks.size()))
{
return;
}
mLinkHandler->handleLink(mLinks[CAST_SIZE(mSelectedLink)].link,
nullptr);
}
void BrowserBox::widgetResized(const Event &event A_UNUSED)
{
updateHeight();
}