Staging
v0.5.1
v0.5.1
https://foss.heptapod.net/mercurial/hgview
Tip revision: 5cb0155137364ae26cc554f3dfb4b462b8b28639 authored by David Douard on 25 September 2009, 12:31:14 UTC
tagged version 1.1.0
tagged version 1.1.0
Tip revision: 5cb0155
hgrepoview.py
# Copyright (c) 2009 LOGILAB S.A. (Paris, FRANCE).
# http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# 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 (at your option) 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, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""
Qt4 high level widgets for hg repo changelogs and filelogs
"""
import sys
from mercurial.node import hex, short as short_hex, bin as short_bin
try:
from mercurial.error import RepoError
except ImportError: # old API
from mercurial.repo import RepoError
from PyQt4 import QtCore, QtGui
Qt = QtCore.Qt
connect = QtCore.QObject.connect
SIGNAL = QtCore.SIGNAL
nullvariant = QtCore.QVariant()
from hgviewlib.decorators import timeit
from hgviewlib.qt4 import icon as geticon
from hgviewlib.qt4.hgfileviewer import ManifestViewer
from hgviewlib.qt4.quickbar import QuickBar
class GotoQuickBar(QuickBar):
def __init__(self, parent):
QuickBar.__init__(self, "Goto", "Ctrl+G", "Goto", parent)
def createActions(self, openkey, desc):
QuickBar.createActions(self, openkey, desc)
self._actions['go'] = QtGui.QAction("Go", self)
connect(self._actions['go'], SIGNAL('triggered()'),
self.goto)
def goto(self):
self.emit(SIGNAL('goto'), unicode(self.entry.text()))
def createContent(self):
QuickBar.createContent(self)
self.compl_model = QtGui.QStringListModel(['tip'])
self.completer = QtGui.QCompleter(self.compl_model, self)
self.entry = QtGui.QLineEdit(self)
self.entry.setCompleter(self.completer)
self.addWidget(self.entry)
self.addAction(self._actions['go'])
connect(self.entry, SIGNAL('returnPressed()'),
self._actions['go'].trigger)
def setVisible(self, visible=True):
QuickBar.setVisible(self, visible)
if visible:
self.entry.setFocus()
self.entry.selectAll()
class HgRepoView(QtGui.QTableView):
"""
A QTableView for displaying a FileRevModel or a HgRepoListModel,
with actions, shortcuts, etc.
"""
def __init__(self, parent=None):
QtGui.QTableView.__init__(self, parent)
self.init_variables()
self.setShowGrid(False)
self.verticalHeader().hide()
self.verticalHeader().setDefaultSectionSize(20)
self.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
self.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
self.setAlternatingRowColors(True)
self.createActions()
self.createToolbars()
connect(self,
SIGNAL('doubleClicked (const QModelIndex &)'),
self.revisionActivated)
self._autoresize = True
connect(self.horizontalHeader(),
SIGNAL('sectionResized(int, int, int)'),
self.disableAutoResize)
def createToolbars(self):
self.goto_toolbar = GotoQuickBar(self)
connect(self.goto_toolbar, SIGNAL('goto'),
self.goto)
def _action_defs(self):
a = [("back", self.tr("Back"), 'back', None, QtGui.QKeySequence(QtGui.QKeySequence.Back), self.back),
("forward", self.tr("Forward"), 'forward', None, QtGui.QKeySequence(QtGui.QKeySequence.Forward), self.forward),
("manifest", self.tr("Show at rev..."), None, self.tr("Show the manifest at selected revision"), None, self.showAtRev),
]
return a
def createActions(self):
self._actions = {}
for name, desc, icon, tip, key, cb in self._action_defs():
act = QtGui.QAction(desc, self)
if icon:
act.setIcon(geticon(icon))
if tip:
act.setStatusTip(tip)
if key:
act.setShortcut(key)
if cb:
connect(act, SIGNAL('triggered()'), cb)
self._actions[name] = act
self.addAction(act)
def showAtRev(self):
self.emit(SIGNAL('revisionActivated'), self.current_rev)
def contextMenuEvent(self, event):
menu = QtGui.QMenu(self)
for act in ['manifest', None, 'back', 'forward']:
if act:
menu.addAction(self._actions[act])
else:
menu.addSeparator()
menu.addAction(self.goto_toolbar._actions['open'])
menu.exec_(event.globalPos())
def init_variables(self):
# member variables
self.current_rev = None
# rev navigation history (manage 'back' action)
self._rev_history = []
self._rev_pos = -1
self._in_history = False # flag set when we are "in" the
# history. It is required cause we cannot known, in
# "revision_selected", if we are crating a new branch in the
# history navigation or if we are navigating the history
def setModel(self, model):
self.init_variables()
QtGui.QTableView.setModel(self, model)
connect(self.selectionModel(),
QtCore.SIGNAL('currentRowChanged (const QModelIndex & , const QModelIndex & )'),
self.revisionSelected)
self.goto_toolbar.compl_model.setStringList(model.repo.tags().keys())
col = list(model._columns).index('Log')
self.horizontalHeader().setResizeMode(col, QtGui.QHeaderView.Stretch)
def enableAutoResize(self, *args):
self._autoresize = True
def disableAutoResize(self, *args):
self._autoresize = False
QtCore.QTimer.singleShot(100, self.enableAutoResize)
def resizeEvent(self, event):
# we catch this event to resize smartly tables' columns
QtGui.QTableView.resizeEvent(self, event)
if self._autoresize:
self.resizeColumns()
def resizeColumns(self, *args):
# resize columns the smart way: the column holding Log
# is resized according to the total widget size.
model = self.model()
if not model:
return
col1_width = self.viewport().width()
fontm = QtGui.QFontMetrics(self.font())
tot_stretch = 0.0
for c in range(model.columnCount()):
if model._columns[c] in model._stretchs:
tot_stretch += model._stretchs[model._columns[c]]
continue
w = model.maxWidthValueForColumn(c)
if w is not None:
w = fontm.width(unicode(w) + 'w')
self.setColumnWidth(c, w)
else:
w = self.sizeHintForColumn(c)
self.setColumnWidth(c, w)
col1_width -= self.columnWidth(c)
col1_width = max(col1_width, 100)
for c in range(model.columnCount()):
if model._columns[c] in model._stretchs:
w = model._stretchs[model._columns[c]] / tot_stretch
self.setColumnWidth(c, col1_width * w)
def revisionActivated(self, index):
if not index.isValid():
return
model = self.model()
if model and model.graph:
row = index.row()
gnode = model.graph[row]
self.emit(SIGNAL('revisionActivated'), gnode.rev)
def revisionSelected(self, index, index_from):
"""
Callback called when a revision is selected in the revisions table
"""
model = self.model()
if model and model.graph:
row = index.row()
gnode = model.graph[row]
rev = gnode.rev
if self.current_rev is not None and self.current_rev == rev:
return
if not self._in_history:
del self._rev_history[self._rev_pos+1:]
self._rev_history.append(rev)
self._rev_pos = len(self._rev_history)-1
self._in_history = False
self.current_rev = rev
self.emit(SIGNAL('revisionSelected'), rev)
self.set_navigation_button_state()
def set_navigation_button_state(self):
if len(self._rev_history) > 0:
back = self._rev_pos > 0
forw = self._rev_pos < len(self._rev_history)-1
else:
back = False
forw = False
self._actions['back'].setEnabled(back)
self._actions['forward'].setEnabled(forw)
def back(self):
if self._rev_history and self._rev_pos>0:
self._rev_pos -= 1
idx = self.model().indexFromRev(self._rev_history[self._rev_pos])
if idx is not None:
self._in_history = True
self.setCurrentIndex(idx)
self.set_navigation_button_state()
def forward(self):
if self._rev_history and self._rev_pos<(len(self._rev_history)-1):
self._rev_pos += 1
idx = self.model().indexFromRev(self._rev_history[self._rev_pos])
if idx is not None:
self._in_history = True
self.setCurrentIndex(idx)
self.set_navigation_button_state()
def goto(self, rev):
"""
Select revision 'rev' (can be anything understood by repo.changectx())
"""
repo = self.model().repo
try:
rev = repo.changectx(rev).rev()
except RepoError:
self.emit(SIGNAL('showMessage'), "Can't find revision '%s'"%rev, 2000)
else:
idx = self.model().indexFromRev(rev)
if idx is not None:
if self.sender() == self.goto_toolbar:
self.sender().setVisible(False)
self.setCurrentIndex(idx)
def nextRev(self):
row = self.currentIndex().row()
self.setCurrentIndex(self.model().index(min(row+1,
self.model().rowCount() - 1), 0))
def prevRev(self):
row = self.currentIndex().row()
self.setCurrentIndex(self.model().index(max(row - 1, 0), 0))
class RevDisplay(QtGui.QTextBrowser):
"""
Display metadata for one revision (rev, author, description, etc.)
"""
def __init__(self, parent=None):
QtGui.QTextBrowser.__init__(self, parent)
self.descwidth = 60 # number of chars displayed for parent/child descriptions
connect(self,
SIGNAL('anchorClicked(const QUrl &)'),
self.anchorClicked)
def anchorClicked(self, qurl):
"""
Callback called when a link is clicked in the text browser
"""
rev = str(qurl.toString())
if rev.startswith('diff_'):
self.diffrev = int(rev[5:])
self.refreshDisplay()
# TODO: emit a signal to recompute the diff
self.emit(SIGNAL('parentRevisionSelected'), self.diffrev)
else:
self.emit(SIGNAL('revisionSelected'), int(rev))
def setDiffRevision(self, rev):
if rev != self.diffrev:
self.diffrev = rev
self.refreshDisplay()
def displayRevision(self, ctx):
self.ctx = ctx
self.diffrev = ctx.parents()[0].rev()
self.refreshDisplay()
def refreshDisplay(self):
ctx = self.ctx
rev = ctx.rev()
buf = "<table width=100%>\n"
buf += '<tr>'
buf += '<td><b>Revision:</b> '\
'<span class="rev_number">%d</span>:'\
'<span class="rev_hash">%s</span></td>'\
'\n' % (ctx.rev(), short_hex(ctx.node()))
buf += '<td><b>Author:</b> '\
'%s</td>'\
'\n' % unicode(ctx.user(), 'utf-8', 'replace')
buf += '<td><b>Branch:</b> %s</td>' % ctx.branch()
buf += '</tr>'
buf += "</table>\n"
buf += "<table width=100%>\n"
parents = [p for p in ctx.parents() if p]
for p in parents:
if p.rev() > -1:
short = short_hex(p.node())
desc = unicode(p.description(), 'utf-8', 'replace')
if len(desc) > self.descwidth:
desc = desc[:self.descwidth] + '...'
p_rev = p.rev()
p_fmt = '<span class="rev_number">%s</span>:'\
'<a href="%s" class="rev_hash">%s</a>'
if p_rev == self.diffrev:
p_rev = '<b>%s</b>' % (p_fmt % (p_rev, p_rev, short))
else:
p_rev = p_fmt % ('<a href="diff_%s" class="rev_diff">%s</a>' % (p_rev, p_rev), p_rev, short)
buf += '<tr><td width=50 class="label"><b>Parent:</b></td>'\
'<td colspan=5>%s '\
'<span class="short_desc"><i>%s</i></span></td></tr>'\
'\n' % (p_rev, desc)
if len(parents) == 2:
p = parents[0].ancestor(parents[1])
short = short_hex(p.node())
desc = unicode(p.description(), 'utf-8', 'replace')
if len(desc) > self.descwidth:
desc = desc[:self.descwidth] + '...'
p_rev = p.rev()
p_fmt = '<span class="rev_number">%s</span>:'\
'<a href="%s" class="rev_hash">%s</a>'
if p_rev == self.diffrev:
p_rev = '<b>%s</b>' % (p_fmt % (p_rev, p_rev, short))
else:
p_rev = p_fmt % ('<a href="diff_%s" class="rev_diff">%s</a>' % (p_rev, p_rev), p_rev, short)
buf += '<tr><td width=50 class="label"><b>Ancestor:</b></td>'\
'<td colspan=5>%s '\
'<span class="short_desc"><i>%s</i></span></td></tr>'\
'\n' % (p_rev, desc)
for p in ctx.children():
if p.rev() > -1:
short = short_hex(p.node())
desc = unicode(p.description(), 'utf-8', 'replace')
if len(desc) > self.descwidth:
desc = desc[:self.descwidth] + '...'
buf += '<tr><td class="label"><b>Child:</b></td>'\
'<td colspan=5><span class="rev_number">%d</span>:'\
'<a href="%s" class="rev_hash">%s</a> '\
'<span class="short_desc"><i>%s</i></span></td></tr>'\
'\n' % (p.rev(), p.rev(), short, desc)
buf += "</table>\n"
desc = unicode(ctx.description().replace('\n', '<br/>\n'), 'utf-8', 'replace')
buf += '<div class="diff_desc"><p>%s</p></div>\n' % desc
self.setHtml(buf)
if __name__ == "__main__":
from mercurial import ui, hg
from optparse import OptionParser
from hgviewlib.qt4.hgrepomodel import FileRevModel, HgRepoListModel
p = OptionParser()
p.add_option('-R', '--root', default='.',
dest='root',
help="Repository main directory")
p.add_option('-f', '--file', default=None,
dest='filename',
help="display the revision graph of this file (if not given, display the whole rev graph)")
opt, args = p.parse_args()
u = ui.ui()
repo = hg.repository(u, opt.root)
app = QtGui.QApplication(sys.argv)
if opt.filename is not None:
model = FileRevModel(repo, opt.filename)
else:
model = HgRepoListModel(repo)
root = QtGui.QMainWindow()
w = QtGui.QWidget()
root.setCentralWidget(w)
l = QtGui.QVBoxLayout(w)
view = HgRepoView(w)
view.setModel(model)
view.setWindowTitle("Simple Hg List Model")
disp = RevDisplay(w)
connect(view, SIGNAL('revisionSelected'), lambda rev: disp.displayRevision(repo.changectx(rev)))
connect(disp, SIGNAL('revisionSelected'), view.goto)
#connect(view, SIGNAL('revisionActivated'), rev_act)
l.addWidget(view, 2)
l.addWidget(disp)
root.show()
sys.exit(app.exec_())