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messageentry.py
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# messageentry.py - TortoiseHg's commit message editng widget # # Copyright 2011 Steve Borho <steve@borho.org> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. import os from PyQt4.QtCore import * from PyQt4.QtGui import * from PyQt4.Qsci import QsciScintilla, QsciLexerMakefile from tortoisehg.hgqt.i18n import _ from tortoisehg.hgqt import qtlib, qscilib class MessageEntry(qscilib.Scintilla): def __init__(self, parent, getCheckedFunc=None): super(MessageEntry, self).__init__(parent) self.setEdgeColor(QColor('LightSalmon')) self.setEdgeMode(QsciScintilla.EdgeLine) self.setReadOnly(False) self.setMarginWidth(1, 0) self.setFont(qtlib.getfont('fontcomment').font()) self.setCaretWidth(10) self.setCaretLineBackgroundColor(QColor("#e6fff0")) self.setCaretLineVisible(True) self.setAutoIndent(True) self.setAutoCompletionThreshold(2) self.setAutoCompletionSource(QsciScintilla.AcsAPIs) self.setAutoCompletionFillupsEnabled(True) self.setLexer(QsciLexerMakefile(self)) self.lexer().setFont(qtlib.getfont('fontcomment').font()) self.lexer().setColor(QColor(Qt.red), QsciLexerMakefile.Error) self.setMatchedBraceBackgroundColor(Qt.yellow) self.setIndentationsUseTabs(False) self.setBraceMatching(QsciScintilla.SloppyBraceMatch) #self.setIndentationGuidesBackgroundColor(QColor("#e6e6de")) #self.setFolding(QsciScintilla.BoxedFoldStyle) # http://www.riverbankcomputing.com/pipermail/qscintilla/2009-February/000461.html self.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded) self.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded) # default message entry widgets to word wrap, user may override self.setWrapMode(QsciScintilla.WrapWord) self.getChecked = getCheckedFunc self.setContextMenuPolicy(Qt.CustomContextMenu) self.customContextMenuRequested.connect(self.menuRequested) def menuRequested(self, point): line = self.lineAt(point) point = self.viewport().mapToGlobal(point) def apply(): line = 0 while True: line = self.reflowBlock(line) if line is None: break; def paste(): files = self.getChecked() self.insert(', '.join(files)) def settings(): from tortoisehg.hgqt.settings import SettingsDialog dlg = SettingsDialog(True, focus='tortoisehg.summarylen') dlg.exec_() menu = self.createStandardContextMenu() menu.addSeparator() if self.getChecked: action = menu.addAction(_('Paste &Filenames')) action.triggered.connect(paste) for name, func in [(_('App&ly Format'), apply), (_('C&onfigure Format'), settings)]: def add(name, func): action = menu.addAction(name) action.triggered.connect(func) add(name, func) return menu.exec_(point) def refresh(self, repo): self.setEdgeColumn(repo.summarylen) self.setIndentationWidth(repo.tabwidth) self.setTabWidth(repo.tabwidth) self.summarylen = repo.summarylen def reflowBlock(self, line): lines = self.text().split('\n', QString.KeepEmptyParts) if line >= len(lines): return None if not len(lines[line]) > 1: return line+1 # find boundaries (empty lines or bounds) b = line while b and len(lines[b-1]) > 1: b = b - 1 e = line while e+1 < len(lines) and len(lines[e+1]) > 1: e = e + 1 group = QStringList([lines[l].simplified() for l in xrange(b, e+1)]) sentence = group.join(' ') parts = sentence.split(' ', QString.SkipEmptyParts) outlines = QStringList() line = QStringList() partslen = 0 for part in parts: if partslen + len(line) + len(part) + 1 > self.summarylen: if line: outlines.append(line.join(' ')) line, partslen = QStringList(), 0 line.append(part) partslen += len(part) if line: outlines.append(line.join(' ')) self.beginUndoAction() self.setSelection(b, 0, e+1, 0) self.removeSelectedText() self.insertAt(outlines.join('\n')+'\n', b, 0) self.endUndoAction() self.setCursorPosition(b, 0) return b + len(outlines) + 1 def moveCursorToEnd(self): lines = self.lines() if lines: lines -= 1 pos = self.lineLength(lines) self.setCursorPosition(lines, pos) self.ensureLineVisible(lines) self.horizontalScrollBar().setSliderPosition(0) def keyPressEvent(self, event): if event.modifiers() == Qt.ControlModifier and event.key() == Qt.Key_E: line, col = self.getCursorPosition() self.reflowBlock(line) elif event.key() == Qt.Key_Backtab: event.accept() newev = QKeyEvent(event.type(), Qt.Key_Tab, Qt.ShiftModifier) super(MessageEntry, self).keyPressEvent(newev) else: super(MessageEntry, self).keyPressEvent(event)