* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#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 {
-
-public:
- inline ChatLineModelItemPrivate(const Message &msg);
- ~ChatLineModelItemPrivate();
-
- inline bool needsStyling();
- QVariant data(MessageModel::ColumnType column, int role);
-
-private:
- void style();
- void computeWrapList();
-
- ChatLineModel::WrapList _wrapList;
- Message *_msgBuffer;
- UiStyle::StyledMessage *_styledMsg;
-
- static unsigned char *TextBoundaryFinderBuffer;
- static int TextBoundaryFinderBufferSize;
-};
-
-ChatLineModelItemPrivate::ChatLineModelItemPrivate(const Message &msg)
-: _msgBuffer(new Message(msg)),
- _styledMsg(0) {
-
+// ****************************************
+// the actual ChatLineModelItem
+// ****************************************
+ChatLineModelItem::ChatLineModelItem(const Message &msg)
+ : MessageModelItem(),
+ _styledMsg(msg)
+{
+ if(!msg.sender().contains('!'))
+ _styledMsg.setFlags(msg.flags() |= Message::ServerMsg);
}
-ChatLineModelItemPrivate::~ChatLineModelItemPrivate() {
- if(_msgBuffer) {
- delete _msgBuffer;
- } else {
- delete _styledMsg;
+QVariant ChatLineModelItem::data(int column, int role) const {
+ if(role == ChatLineModel::MsgLabelRole)
+ return messageLabel();
+
+ QVariant variant;
+ MessageModel::ColumnType col = (MessageModel::ColumnType)column;
+ switch(col) {
+ case ChatLineModel::TimestampColumn:
+ variant = timestampData(role);
+ break;
+ case ChatLineModel::SenderColumn:
+ variant = senderData(role);
+ break;
+ case ChatLineModel::ContentsColumn:
+ variant = contentsData(role);
+ break;
+ default:
+ break;
}
+ if(!variant.isValid())
+ return MessageModelItem::data(column, role);
+ return variant;
}
-bool ChatLineModelItemPrivate::needsStyling() {
- return (bool)_msgBuffer;
-}
-
-QVariant ChatLineModelItemPrivate::data(MessageModel::ColumnType column, int role) {
- if(needsStyling())
- style();
- switch(column) {
- case ChatLineModel::TimestampColumn:
- switch(role) {
- case ChatLineModel::DisplayRole:
- return _styledMsg->decoratedTimestamp();
- case ChatLineModel::EditRole:
- return _styledMsg->timestamp();
- case ChatLineModel::FormatRole:
- return QVariant::fromValue<UiStyle::FormatList>(UiStyle::FormatList()
- << qMakePair((quint16)0, (quint32)_styledMsg->timestampFormat()));
- }
- break;
- case ChatLineModel::SenderColumn:
- switch(role) {
- case ChatLineModel::DisplayRole:
- return _styledMsg->decoratedSender();
- case ChatLineModel::EditRole:
- return _styledMsg->plainSender();
- case ChatLineModel::FormatRole:
- return QVariant::fromValue<UiStyle::FormatList>(UiStyle::FormatList()
- << qMakePair((quint16)0, (quint32)_styledMsg->senderFormat()));
- }
- break;
- case ChatLineModel::ContentsColumn:
- switch(role) {
- case ChatLineModel::DisplayRole:
- case ChatLineModel::EditRole:
- return _styledMsg->plainContents();
- case ChatLineModel::FormatRole:
- return QVariant::fromValue<UiStyle::FormatList>(_styledMsg->contentsFormatList());
- case ChatLineModel::WrapListRole:
- if(_wrapList.isEmpty())
- computeWrapList();
- return QVariant::fromValue<ChatLineModel::WrapList>(_wrapList);
- }
- break;
- default:
- Q_ASSERT(false);
- return 0;
+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::Timestamp);
+ case ChatLineModel::SelectedBackgroundRole:
+ return backgroundBrush(UiStyle::Timestamp, true);
+ case ChatLineModel::FormatRole:
+ return QVariant::fromValue<UiStyle::FormatList>(UiStyle::FormatList()
+ << qMakePair((quint16)0, (quint32)UiStyle::formatType(_styledMsg.type()) | UiStyle::Timestamp));
}
return QVariant();
}
-void ChatLineModelItemPrivate::style() {
- _styledMsg = new QtUiStyle::StyledMessage(*_msgBuffer);
- _styledMsg->style(QtUi::style());
- delete _msgBuffer;
- _msgBuffer = 0;
-}
-
-void ChatLineModelItemPrivate::computeWrapList() {
- int length = _styledMsg->contents().length();
- if(!length)
- return;
-
- enum Mode { SearchStart, SearchEnd };
-
- QList<ChatLineModel::Word> wplist; // use a temp list which we'll later copy into a QVector for efficiency
- QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _styledMsg->contents().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(_styledMsg->contents());
- QTextOption option;
- option.setWrapMode(QTextOption::NoWrap);
- layout.setTextOption(option);
-
- layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(_styledMsg->contentsFormatList(), length));
- layout.beginLayout();
- QTextLine line = layout.createLine();
- line.setNumColumns(length);
- layout.endLayout();
-
- do {
- idx = finder.toNextBoundary();
- if(idx < 0) {
- idx = 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.endX = wordendx;
- 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() == length));
-
- // 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);
+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::Sender);
+ case ChatLineModel::SelectedBackgroundRole:
+ return backgroundBrush(UiStyle::Sender, true);
+ case ChatLineModel::FormatRole:
+ return QVariant::fromValue<UiStyle::FormatList>(UiStyle::FormatList()
+ << qMakePair((quint16)0, (quint32)UiStyle::formatType(_styledMsg.type()) | UiStyle::Sender));
}
+ return QVariant();
}
-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(const ChatLineModelItem &other)
- : MessageModelItem(other)
-{
- _data = new ChatLineModelItemPrivate(message());
+QVariant ChatLineModelItem::contentsData(int role) const {
+ switch(role) {
+ case ChatLineModel::DisplayRole:
+ case ChatLineModel::EditRole:
+ return _styledMsg.plainContents();
+ case ChatLineModel::BackgroundRole:
+ return backgroundBrush(UiStyle::Contents);
+ case ChatLineModel::SelectedBackgroundRole:
+ return backgroundBrush(UiStyle::Contents, true);
+ case ChatLineModel::FormatRole:
+ return QVariant::fromValue<UiStyle::FormatList>(_styledMsg.contentsFormatList());
+ }
+ return QVariant();
}
-ChatLineModelItem::~ChatLineModelItem() {
- delete _data;
+quint32 ChatLineModelItem::messageLabel() const {
+ quint32 label = _styledMsg.senderHash() << 16;
+ if(_styledMsg.flags() & Message::Self)
+ label |= UiStyle::OwnMsg;
+ if(_styledMsg.flags() & Message::Highlight)
+ label |= UiStyle::Highlight;
+ return label;
}
-QVariant ChatLineModelItem::data(int column, int role) const {
- QVariant d = _data->data((MessageModel::ColumnType)column, role);
- if(!d.isValid()) return MessageModelItem::data(column, role);
- return d;
+QVariant ChatLineModelItem::backgroundBrush(UiStyle::FormatType subelement, bool selected) const {
+ QTextCharFormat fmt = QtUi::style()->format(UiStyle::formatType(_styledMsg.type()) | subelement, messageLabel() | (selected ? UiStyle::Selected : 0));
+ if(fmt.hasProperty(QTextFormat::BackgroundBrush))
+ return QVariant::fromValue<QBrush>(fmt.background());
+ return QVariant();
}