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# qtlib.py - Qt utility code
#
# Copyright 2010 Steve Borho <steve@borho.org>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
import atexit
import shutil
import tempfile
from PyQt4 import QtCore, QtGui
from mercurial import extensions
from tortoisehg.util import hglib
from tortoisehg.hgqt.i18n import _
from tortoisehg.hgqt import icon as geticon
from hgext.color import _styles
tmproot = None
def gettempdir():
global tmproot
def cleanup():
try: shutil.rmtree(tmproot)
except: pass
if not tmproot:
tmproot = tempfile.mkdtemp(prefix='thg.')
atexit.register(cleanup)
return tmproot
# _styles maps from ui labels to effects
# _effects maps an effect to font style properties. We define a limited
# set of _effects, since we convert color effect names to font style
# effect programatically.
_effects = {
'bold': 'font-weight: bold',
'italic': 'font-style: italic',
'underline': 'text-decoration: underline',
}
thgstylesheet = '* { white-space: pre; font-family: monospace; font-size: 9pt; }'
def configstyles(ui):
# extensions may provide more labels and default effects
for name, ext in extensions.extensions():
_styles.update(getattr(ext, 'colortable', {}))
# tortoisehg defines a few labels and default effects
_styles.update({'ui.error':'red bold', 'control':'black bold'})
# allow the user to override
for status, cfgeffects in ui.configitems('color'):
if '.' not in status:
continue
cfgeffects = ui.configlist('color', status)
_styles[status] = ' '.join(cfgeffects)
for status, cfgeffects in ui.configitems('thg-color'):
if '.' not in status:
continue
cfgeffects = ui.configlist('thg-color', status)
_styles[status] = ' '.join(cfgeffects)
# See http://doc.trolltech.com/4.2/richtext-html-subset.html
# and http://www.w3.org/TR/SVG/types.html#ColorKeywords
def geteffect(labels):
'map labels like "log.date" to Qt font styles'
effects = []
# Multiple labels may be requested
for l in labels.split():
if not l:
continue
# Each label may request multiple effects
es = _styles.get(l, '')
for e in es.split():
if e in _effects:
effects.append(_effects[e])
elif e in QtGui.QColor.colorNames():
# Accept any valid QColor
effects.append('color: ' + e)
elif e.endswith('_background'):
e = e[:-11]
if e in QtGui.QColor.colorNames():
effects.append('bgcolor: ' + e)
return ';'.join(effects)
NAME_MAP = {
'fg': 'color', 'bg': 'background-color', 'family': 'font-family',
'size': 'font-size', 'weight': 'font-weight', 'space': 'white-space',
'style': 'font-style', 'decoration': 'text-decoration',
}
def markup(msg, **styles):
style = {'white-space': 'pre'}
for name, value in styles.items():
if not value:
continue
if NAME_MAP.has_key(name):
name = NAME_MAP[name]
style[name] = value
style = ';'.join(['%s: %s' % t for t in style.items()])
msg = hglib.tounicode(msg)
msg = QtCore.Qt.escape(msg)
msg = msg.replace('\n', '<br />')
return '<span style="%s">%s</span>' % (style, msg)
def CommonMsgBox(icon, title, main, text='', buttons=QtGui.QMessageBox.Close,
parent=None):
msg = QtGui.QMessageBox(parent)
msg.setIcon(icon)
msg.setWindowTitle(title)
msg.setStandardButtons(buttons)
msg.setText('<b>%s</b>' % main)
info = ''
for line in text.split('\n'):
info += '<nobr>%s</nobr><br />' % line
msg.setInformativeText(info)
return msg.exec_()
def InfoMsgBox(*args, **kargs):
return CommonMsgBox(QtGui.QMessageBox.Information, *args, **kargs)
def WarningMsgBox(*args, **kargs):
return CommonMsgBox(QtGui.QMessageBox.Warning, *args, **kargs)
def ErrorMsgBox(*args, **kargs):
return CommonMsgBox(QtGui.QMessageBox.Critical, *args, **kargs)
class CustomPrompt(QtGui.QMessageBox):
def __init__(self, title, message, parent, choices, default=None,
esc=None, files=None):
QtGui.QMessageBox.__init__(self, parent)
self.setWindowTitle(hglib.toutf(title))
self.setText(hglib.toutf(message))
if files:
msg = ''
for i, file in enumerate(files):
msg += ' %s\n' % file
if i == 9:
msg += ' ...\n'
break
self.setDetailedText(hglib.toutf(msg))
self.hotkeys = {}
for i, s in enumerate(choices):
btn = self.addButton(s, QtGui.QMessageBox.AcceptRole)
try:
char = s[s.index('&')+1].lower()
self.hotkeys[char] = btn
if default == i:
self.setDefaultButton(btn)
if esc == i:
self.setEscapeButton(btn)
except ValueError:
pass
def run(self):
return self.exec_()
def keyPressEvent(self, event):
for k, btn in self.hotkeys.iteritems():
if event.text() == k:
btn.emit(QtCore.SIGNAL('clicked()'))
super(CustomPrompt, self).keyPressEvent(event)
def setup_font_substitutions():
QtGui.QFont.insertSubstitutions('monospace', ['monaco', 'courier new'])
class PMButton(QtGui.QPushButton):
"""Toggle button with plus/minus icon images"""
def __init__(self, expanded=True, parent=None):
QtGui.QPushButton.__init__(self, parent)
size = QtCore.QSize(11, 11)
self.setIconSize(size)
self.setMaximumSize(size)
self.setFlat(True)
self.plus = geticon('plus')
self.minus = geticon('minus')
icon = expanded and self.minus or self.plus
self.setIcon(icon)
def clicked():
icon = self.is_expanded() and self.plus or self.minus
self.setIcon(icon)
self.clicked.connect(clicked)
def set_expanded(self, state=True):
icon = state and self.minus or self.plus
self.setIcon(icon)
def set_collapsed(self, state=True):
icon = state and self.plus or self.minus
self.setIcon(icon)
def is_expanded(self):
return self.icon().serialNumber() == self.minus.serialNumber()
def is_collapsed(self):
return not self.is_expanded()
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