/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2019 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 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. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
+#include "chatlinemodelitem.h"
+
#include <QFontMetrics>
#include <QTextBoundaryFinder>
-#include "chatlinemodelitem.h"
#include "chatlinemodel.h"
#include "qtui.h"
#include "qtuistyle.h"
// This Struct is taken from Harfbuzz. We use it only to calc it's size.
// we use a shared memory region so we do not have to malloc a buffer area for every line
-typedef struct {
- /*HB_LineBreakType*/ unsigned lineBreakType :2;
- /*HB_Bool*/ unsigned whiteSpace :1; /* A unicode whitespace character, except NBSP, ZWNBSP */
- /*HB_Bool*/ unsigned charStop :1; /* Valid cursor position (for left/right arrow) */
- /*HB_Bool*/ unsigned wordBoundary :1;
- /*HB_Bool*/ unsigned sentenceBoundary :1;
- unsigned unused :2;
-} HB_CharAttributes_Dummy;
-
-// PRIVATE DATA FOR CHATLINE MODEL ITEM
-class ChatLineModelItemPrivate {
- struct ChatLinePart {
- QString plainText;
- UiStyle::FormatList formatList;
- inline ChatLinePart(const QString &pT, const UiStyle::FormatList &fL) : plainText(pT), formatList(fL) {}
- };
-
-public:
- inline ChatLineModelItemPrivate(const Message &msg) : _msgBuffer(new Message(msg)), timestamp(0), sender(0), contents(0) {}
- inline ~ChatLineModelItemPrivate() {
- if(_msgBuffer) {
- delete _msgBuffer;
- } else {
- delete timestamp;
- delete sender;
- delete contents;
+using HB_CharAttributes_Dummy = struct
+{
+ /*HB_LineBreakType*/ unsigned lineBreakType : 2;
+ /*HB_Bool*/ unsigned whiteSpace : 1; /* A unicode whitespace character, except NBSP, ZWNBSP */
+ /*HB_Bool*/ unsigned charStop : 1; /* Valid cursor position (for left/right arrow) */
+ /*HB_Bool*/ unsigned wordBoundary : 1;
+ /*HB_Bool*/ unsigned sentenceBoundary : 1;
+ unsigned unused : 2;
+};
+
+unsigned char* ChatLineModelItem::TextBoundaryFinderBuffer = (unsigned char*)malloc(512 * sizeof(HB_CharAttributes_Dummy));
+int ChatLineModelItem::TextBoundaryFinderBufferSize = 512 * (sizeof(HB_CharAttributes_Dummy) / sizeof(unsigned char));
+
+// ****************************************
+// the actual ChatLineModelItem
+// ****************************************
+ChatLineModelItem::ChatLineModelItem(const Message& msg)
+ : MessageModelItem()
+ , _styledMsg(msg)
+{
+ if (!msg.sender().contains('!'))
+ _styledMsg.setFlags(msg.flags() |= Message::ServerMsg);
+
+ if (_styledMsg.type() == Message::Nick) {
+ // HACK: Work around nick changes on Quassel core not properly being set as Self
+ // While this is fixed in the core, old cores and past history will still show incorrectly.
+ if (nickFromMask(_styledMsg.sender()) == stripFormatCodes(_styledMsg.contents()).toLower()) {
+ _styledMsg.setFlags(msg.flags() |= Message::Self);
+ }
+ }
+ // Unfortunately, the missing Self flag for other message types can't easily be worked around.
+}
+
+bool ChatLineModelItem::setData(int column, const QVariant& value, int role)
+{
+ switch (role) {
+ case MessageModel::FlagsRole:
+ _styledMsg.setFlags((Message::Flags)value.toInt());
+ return true;
+ default:
+ return MessageModelItem::setData(column, value, role);
}
- }
+}
- inline bool needsStyling() { return (bool)_msgBuffer; }
+QVariant ChatLineModelItem::data(int column, int role) const
+{
+ if (role == ChatLineModel::MsgLabelRole)
+ return QVariant::fromValue<UiStyle::MessageLabel>(messageLabel());
- inline ChatLinePart *partByColumn(MessageModel::ColumnType column) {
- switch(column) {
+ QVariant variant;
+ auto col = (MessageModel::ColumnType)column;
+ switch (col) {
case ChatLineModel::TimestampColumn:
- return timestamp;
+ variant = timestampData(role);
+ break;
case ChatLineModel::SenderColumn:
- return sender;
+ variant = senderData(role);
+ break;
case ChatLineModel::ContentsColumn:
- return contents;
+ variant = contentsData(role);
+ break;
default:
- Q_ASSERT(false);
- return 0;
+ break;
+ }
+ if (!variant.isValid())
+ return MessageModelItem::data(column, role);
+ return variant;
+}
+
+QVariant ChatLineModelItem::timestampData(int role) const
+{
+ switch (role) {
+ case ChatLineModel::DisplayRole:
+ return _styledMsg.decoratedTimestamp();
+ case ChatLineModel::EditRole:
+ return _styledMsg.timestamp();
+ case ChatLineModel::BackgroundRole:
+ return backgroundBrush(UiStyle::FormatType::Timestamp);
+ case ChatLineModel::SelectedBackgroundRole:
+ return backgroundBrush(UiStyle::FormatType::Timestamp, true);
+ case ChatLineModel::FormatRole:
+ return QVariant::fromValue<UiStyle::FormatList>(
+ {std::make_pair(quint16{0}, UiStyle::Format{UiStyle::formatType(_styledMsg.type()) | UiStyle::FormatType::Timestamp, {}, {}})});
}
- }
-
- inline const QString &plainText(MessageModel::ColumnType column) {
- if(needsStyling())
- style();
- return partByColumn(column)->plainText;
- }
-
- inline const UiStyle::FormatList &formatList(MessageModel::ColumnType column) {
- if(needsStyling())
- style();
- return partByColumn(column)->formatList;
- }
-
- inline const ChatLineModel::WrapList &wrapList() {
- if(needsStyling())
- style();
- if(_wrapList.isEmpty())
- computeWrapList();
- return _wrapList;
- }
-
-private:
- inline void style() {
- QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(*_msgBuffer);
-
- timestamp = new ChatLinePart(m.timestamp.plainText, m.timestamp.formatList);
- sender = new ChatLinePart(m.sender.plainText, m.sender.formatList);
- contents = new ChatLinePart(m.contents.plainText, m.contents.formatList);
-
- delete _msgBuffer;
- _msgBuffer = 0;
- }
-
- inline void computeWrapList() {
- if(contents->plainText.isEmpty())
- return;
-
- enum Mode { SearchStart, SearchEnd };
+ return QVariant();
+}
+
+QVariant ChatLineModelItem::senderData(int role) const
+{
+ switch (role) {
+ case ChatLineModel::DisplayRole:
+ return _styledMsg.decoratedSender();
+ case ChatLineModel::EditRole:
+ return _styledMsg.plainSender();
+ case ChatLineModel::BackgroundRole:
+ return backgroundBrush(UiStyle::FormatType::Sender);
+ case ChatLineModel::SelectedBackgroundRole:
+ return backgroundBrush(UiStyle::FormatType::Sender, true);
+ case ChatLineModel::FormatRole:
+ return QVariant::fromValue<UiStyle::FormatList>(
+ {std::make_pair(quint16{0}, UiStyle::Format{UiStyle::formatType(_styledMsg.type()) | UiStyle::FormatType::Sender, {}, {}})});
+ }
+ return QVariant();
+}
+
+QVariant ChatLineModelItem::contentsData(int role) const
+{
+ switch (role) {
+ case ChatLineModel::DisplayRole:
+ case ChatLineModel::EditRole:
+ return _styledMsg.plainContents();
+ case ChatLineModel::BackgroundRole:
+ return backgroundBrush(UiStyle::FormatType::Contents);
+ case ChatLineModel::SelectedBackgroundRole:
+ return backgroundBrush(UiStyle::FormatType::Contents, true);
+ case ChatLineModel::FormatRole:
+ return QVariant::fromValue<UiStyle::FormatList>(_styledMsg.contentsFormatList());
+ case ChatLineModel::WrapListRole:
+ if (_wrapList.isEmpty())
+ computeWrapList();
+ return QVariant::fromValue<ChatLineModel::WrapList>(_wrapList);
+ }
+ return QVariant();
+}
+
+UiStyle::MessageLabel ChatLineModelItem::messageLabel() const
+{
+ using MessageLabel = UiStyle::MessageLabel;
+
+ auto label = static_cast<MessageLabel>(_styledMsg.senderHash() << 16);
+ if (_styledMsg.flags() & Message::Self)
+ label |= MessageLabel::OwnMsg;
+ if (_styledMsg.flags() & Message::Highlight)
+ label |= MessageLabel::Highlight;
+ return label;
+}
+
+QVariant ChatLineModelItem::backgroundBrush(UiStyle::FormatType subelement, bool selected) const
+{
+ QTextCharFormat fmt = QtUi::style()->format({UiStyle::formatType(_styledMsg.type()) | subelement, {}, {}},
+ messageLabel() | (selected ? UiStyle::MessageLabel::Selected : UiStyle::MessageLabel::None));
+ if (fmt.hasProperty(QTextFormat::BackgroundBrush))
+ return QVariant::fromValue<QBrush>(fmt.background());
+ return QVariant();
+}
+
+void ChatLineModelItem::computeWrapList() const
+{
+ QString text = _styledMsg.plainContents();
+ int length = text.length();
+ if (!length)
+ return;
QList<ChatLineModel::Word> wplist; // use a temp list which we'll later copy into a QVector for efficiency
- QTextBoundaryFinder finder(QTextBoundaryFinder::Word, contents->plainText.unicode(), contents->plainText.length(), TextBoundaryFinderBuffer, TextBoundaryFinderBufferSize);
+ QTextBoundaryFinder finder(QTextBoundaryFinder::Line,
+ _styledMsg.plainContents().unicode(),
+ length,
+ TextBoundaryFinderBuffer,
+ TextBoundaryFinderBufferSize);
int idx;
int oldidx = 0;
- bool wordStart = false;
- bool wordEnd = false;
- Mode mode = SearchEnd;
ChatLineModel::Word word;
word.start = 0;
qreal wordstartx = 0;
- QTextLayout layout(contents->plainText);
+ QTextLayout layout(_styledMsg.plainContents());
QTextOption option;
option.setWrapMode(QTextOption::NoWrap);
layout.setTextOption(option);
- layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(contents->formatList, contents->plainText.length()));
+ UiStyle::setTextLayoutFormats(layout, QtUi::style()->toTextLayoutList(_styledMsg.contentsFormatList(), length, messageLabel()));
layout.beginLayout();
QTextLine line = layout.createLine();
- line.setNumColumns(contents->plainText.length());
+ line.setNumColumns(length);
layout.endLayout();
- do {
- idx = finder.toNextBoundary();
- if(idx < 0) {
- idx = contents->plainText.length();
- wordStart = false;
- wordEnd = false;
- mode = SearchStart;
- } else {
- wordStart = finder.boundaryReasons().testFlag(QTextBoundaryFinder::StartWord);
- wordEnd = finder.boundaryReasons().testFlag(QTextBoundaryFinder::EndWord);
- }
-
- //if(flg) qDebug() << idx << mode << wordStart << wordEnd << contents->plainText.left(idx) << contents->plainText.mid(idx);
-
- if(mode == SearchEnd || (!wordStart && wordEnd)) {
- if(wordStart || !wordEnd) continue;
- oldidx = idx;
- mode = SearchStart;
- continue;
- }
- qreal wordendx = line.cursorToX(oldidx);
- qreal trailingendx = line.cursorToX(idx);
- word.width = wordendx - wordstartx;
- word.trailing = trailingendx - wordendx;
- wordstartx = trailingendx;
- wplist.append(word);
-
- if(wordStart) {
- word.start = idx;
- mode = SearchEnd;
- }
- // the part " || (finder.position() == contents->plainText.length())" shouldn't be necessary
- // but in rare and indeterministic cases Qt states that the end of the text is not a boundary o_O
- } while(finder.isAtBoundary() || (finder.position() == contents->plainText.length()));
+ while ((idx = finder.toNextBoundary()) >= 0 && idx <= length) {
+ // QTextBoundaryFinder has inconsistent behavior in Qt version up to and including 4.6.3 (at least).
+ // It doesn't point to the position we should break, but to the character before that.
+ // Unfortunately Qt decided to fix this by changing the behavior of QTBF, so now we have to add a version
+ // check. At the time of this writing, I'm still trying to get this reverted upstream...
+ //
+ // cf. https://bugs.webkit.org/show_bug.cgi?id=31076 and Qt commit e6ac173
+ static int needWorkaround = -1;
+ if (needWorkaround < 0) {
+ needWorkaround = 0;
+ QStringList versions = QString(qVersion()).split('.');
+ if (versions.count() == 3 && versions.at(0).toInt() == 4) {
+ if (versions.at(1).toInt() <= 6 && versions.at(2).toInt() <= 3)
+ needWorkaround = 1;
+ }
+ }
+ if (needWorkaround == 1) {
+ if (idx < length)
+ idx++;
+ }
+
+ if (idx == oldidx)
+ continue;
+
+ word.start = oldidx;
+ int wordend = idx;
+ for (; wordend > word.start; wordend--) {
+ if (!text.at(wordend - 1).isSpace())
+ break;
+ }
+
+ qreal wordendx = line.cursorToX(wordend);
+ qreal trailingendx = line.cursorToX(idx);
+ word.endX = wordendx;
+ word.width = wordendx - wordstartx;
+ word.trailing = trailingendx - wordendx;
+ wordstartx = trailingendx;
+ wplist.append(word);
+
+ oldidx = idx;
+ }
// A QVector needs less space than a QList
_wrapList.resize(wplist.count());
- for(int i = 0; i < wplist.count(); i++) {
- _wrapList[i] = wplist.at(i);
+ for (int i = 0; i < wplist.count(); i++) {
+ _wrapList[i] = wplist.at(i);
}
- }
-
- ChatLineModel::WrapList _wrapList;
- Message *_msgBuffer;
- ChatLinePart *timestamp, *sender, *contents;
-
- static unsigned char *TextBoundaryFinderBuffer;
- static int TextBoundaryFinderBufferSize;
-};
-
-unsigned char *ChatLineModelItemPrivate::TextBoundaryFinderBuffer = (unsigned char *)malloc(512 * sizeof(HB_CharAttributes_Dummy));
-int ChatLineModelItemPrivate::TextBoundaryFinderBufferSize = 512 * (sizeof(HB_CharAttributes_Dummy) / sizeof(unsigned char));
-
-
-// ****************************************
-// the actual ChatLineModelItem
-// ****************************************
-ChatLineModelItem::ChatLineModelItem(const Message &msg)
- : MessageModelItem(msg),
- _data(new ChatLineModelItemPrivate(msg))
-{
-}
-
-ChatLineModelItem::~ChatLineModelItem() {
- delete _data;
}
-
-QVariant ChatLineModelItem::data(int column, int role) const {
- if(column < ChatLineModel::TimestampColumn || column > ChatLineModel::ContentsColumn)
- return MessageModelItem::data(column, role);
- MessageModel::ColumnType columnType = (MessageModel::ColumnType)column;
-
- switch(role) {
- case ChatLineModel::DisplayRole:
- return _data->plainText(columnType);
- case ChatLineModel::FormatRole:
- return QVariant::fromValue<UiStyle::FormatList>(_data->formatList(columnType));
- case ChatLineModel::WrapListRole:
- if(columnType != ChatLineModel::ContentsColumn)
- return QVariant();
- return QVariant::fromValue<ChatLineModel::WrapList>(_data->wrapList());
- }
- return MessageModelItem::data(column, role);
-}
-
projects / quassel.git / blobdiff