cola/widgets/about.py

   1 from PyQt4 import QtGui
   2 from PyQt4.QtCore import Qt
   3
   4
   5 from cola import core
   6 from cola import resources
   7 from cola import qtutils
   8 from cola import version
   9 from cola.i18n import N_
  10 from cola.widgets import defs
  11 from cola.widgets.text import MonoTextView
  12
  13 def launch_about_dialog():
  14     """Launches the Help -> About dialog"""
  15     view = AboutView(qtutils.active_window())
  16     view.set_version(version.version())
  17     view.show()
  18
  19
  20 COPYRIGHT = """git-cola: The highly caffeinated git GUI v$VERSION
  21
  22 Copyright (C) 2007-2012, David Aguilar and contributors
  23
  24 This program is free software: you can redistribute it and/or
  25 modify it under the terms of the GNU General Public License
  26 version 2 as published by the Free Software Foundation.
  27
  28 This program is distributed in the hope that it will
  29 be useful, but WITHOUT ANY WARRANTY; without even the
  30 implied warranty of MERCHANTABILITY or
  31 FITNESS FOR A PARTICULAR PURPOSE.
  32
  33 See the GNU General Public License for more details.
  34
  35 You should have received a copy of the
  36 GNU General Public License along with this program.
  37 If not, see http://www.gnu.org/licenses/.
  38
  39 """
  40
  41 class AboutView(QtGui.QDialog):
  42     """Provides the git-cola 'About' dialog.
  43     """
  44     def __init__(self, parent=None):
  45         QtGui.QDialog.__init__(self, parent)
  46
  47         self.setWindowTitle(N_('About git-cola'))
  48         self.setWindowModality(Qt.WindowModal)
  49
  50         self.label = QtGui.QLabel()
  51         self.pixmap = QtGui.QPixmap('icons:logo-top.png')
  52         #self.label.setStyleSheet('QWidget {background: #000; }')
  53         self.label.setPixmap(self.pixmap)
  54         self.label.setAlignment(Qt.AlignRight | Qt.AlignTop)
  55
  56         palette = self.label.palette()
  57         palette.setColor(QtGui.QPalette.Window, Qt.black)
  58         self.label.setAutoFillBackground(True)
  59         self.label.setPalette(palette)
  60
  61         self.text = MonoTextView(self)
  62         self.text.setReadOnly(True)
  63         self.text.setPlainText(COPYRIGHT)
  64
  65         self.close_button = QtGui.QPushButton()
  66         self.close_button.setText(N_('Close'))
  67         self.close_button.setDefault(True)
  68
  69         self.button_layout = QtGui.QHBoxLayout()
  70         self.button_layout.addStretch()
  71         self.button_layout.addWidget(self.close_button)
  72
  73         self.main_layout = QtGui.QVBoxLayout()
  74         self.main_layout.setMargin(0)
  75         self.main_layout.setSpacing(defs.spacing)
  76
  77         self.main_layout.addWidget(self.label)
  78         self.main_layout.addWidget(self.text)
  79         self.main_layout.addLayout(self.button_layout)
  80         self.setLayout(self.main_layout)
  81
  82         self.resize(666, 420)
  83
  84         qtutils.connect_button(self.close_button, self.accept)
  85
  86     def set_version(self, version):
  87         """Sets the version field in the 'about' dialog"""
  88         self.text.setPlainText(self.text.toPlainText().replace('$VERSION', version))
  89
  90
  91 def show_shortcuts():
  92     try:
  93         from PyQt4 import QtWebKit
  94     except ImportError:
  95         # redhat disabled QtWebKit in their qt build but don't punish the
  96         # users
  97         qtutils.critical(N_('This PyQt4 does not include QtWebKit.\n'
  98                             'The keyboard shortcuts feature is unavailable.'))
  99         return
 100
 101     try:
 102         html = show_shortcuts.html
 103     except AttributeError:
 104         hotkeys = resources.doc(N_('hotkeys.html'))
 105         html = show_shortcuts.html = core.read(hotkeys)
 106
 107     try:
 108         widget = show_shortcuts.widget
 109     except AttributeError:
 110         parent = qtutils.active_window()
 111         widget = show_shortcuts.widget = QtGui.QDialog(parent)
 112         widget.setWindowModality(Qt.WindowModal)
 113
 114         web = QtWebKit.QWebView(parent)
 115         web.setHtml(html)
 116
 117         layout = QtGui.QHBoxLayout()
 118         layout.setMargin(0)
 119         layout.setSpacing(0)
 120         layout.addWidget(web)
 121
 122         widget.setWindowTitle(N_('Shortcuts'))
 123         widget.setLayout(layout)
 124         widget.resize(800, min(parent.height(), 600))
 125
 126         qtutils.add_action(widget, N_('Close'), widget.accept,
 127                            Qt.Key_Question,
 128                            Qt.Key_Enter,
 129                            Qt.Key_Return)
 130     widget.show()
 131     return widget