* 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;
-
-
-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
// ****************************************
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 _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 _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());
- case ChatLineModel::WrapListRole:
- if(_wrapList.isEmpty())
- computeWrapList();
- return QVariant::fromValue<ChatLineModel::WrapList>(_wrapList);
}
return QVariant();
}
quint32 ChatLineModelItem::messageLabel() const {
- quint32 label = 0;
+ quint32 label = _styledMsg.senderHash() << 16;
if(_styledMsg.flags() & Message::Self)
label |= UiStyle::OwnMsg;
if(_styledMsg.flags() & Message::Highlight)
return label;
}
-QVariant ChatLineModelItem::backgroundBrush(UiStyle::FormatType subelement) const {
- QTextCharFormat fmt = QtUi::style()->format(UiStyle::formatType(_styledMsg.type()) | subelement, messageLabel());
+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();
}
-
-void ChatLineModelItem::computeWrapList() const {
- int length = _styledMsg.plainContents().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.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(_styledMsg.plainContents());
- QTextOption option;
- option.setWrapMode(QTextOption::NoWrap);
- layout.setTextOption(option);
-
- layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(_styledMsg.contentsFormatList(), length, messageLabel()));
- 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);
- }
-}
-
projects / quassel.git / blobdiff