git.maemo.org Git - gc-dialer/blob - src/util/qui_utils.py

   1 import sys
   2 import logging
   3
   4 from PyQt4 import QtCore
   5 from PyQt4 import QtGui
   6
   7 import misc
   8
   9
  10 _moduleLogger = logging.getLogger(__name__)
  11
  12
  13 class QErrorLog(QtCore.QObject):
  14
  15         messagePushed = QtCore.pyqtSignal()
  16         messagePopped = QtCore.pyqtSignal()
  17
  18         def __init__(self):
  19                 QtCore.QObject.__init__(self)
  20                 self._messages = []
  21
  22         def push_message(self, message):
  23                 self._messages.append(message)
  24                 self.messagePushed.emit()
  25
  26         def push_exception(self):
  27                 userMessage = str(sys.exc_info()[1])
  28                 _moduleLogger.exception(userMessage)
  29                 self.push_message(userMessage)
  30
  31         def pop_message(self):
  32                 del self._messages[0]
  33                 self.messagePopped.emit()
  34
  35         def peek_message(self):
  36                 return self._messages[0]
  37
  38         def __len__(self):
  39                 return len(self._messages)
  40
  41
  42 class ErrorDisplay(object):
  43
  44         def __init__(self, errorLog):
  45                 self._errorLog = errorLog
  46                 self._errorLog.messagePushed.connect(self._on_message_pushed)
  47                 self._errorLog.messagePopped.connect(self._on_message_popped)
  48
  49                 errorIcon = get_theme_icon(("dialog-error", "app_install_error", "gtk-dialog-error"))
  50                 self._severityIcon = errorIcon.pixmap(32, 32)
  51                 self._severityLabel = QtGui.QLabel()
  52                 self._severityLabel.setPixmap(self._severityIcon)
  53
  54                 self._message = QtGui.QLabel()
  55                 self._message.setText("Boo")
  56
  57                 closeIcon = get_theme_icon(("window-close", "general_close", "gtk-close"))
  58                 self._closeLabel = QtGui.QPushButton(closeIcon, "")
  59                 self._closeLabel.clicked.connect(self._on_close)
  60
  61                 self._controlLayout = QtGui.QHBoxLayout()
  62                 self._controlLayout.addWidget(self._severityLabel)
  63                 self._controlLayout.addWidget(self._message)
  64                 self._controlLayout.addWidget(self._closeLabel)
  65
  66                 self._topLevelLayout = QtGui.QHBoxLayout()
  67                 self._topLevelLayout.addLayout(self._controlLayout)
  68                 self._widget = QtGui.QWidget()
  69                 self._widget.setLayout(self._topLevelLayout)
  70                 self._widget.hide()
  71
  72         @property
  73         def toplevel(self):
  74                 return self._widget
  75
  76         @QtCore.pyqtSlot()
  77         @QtCore.pyqtSlot(bool)
  78         @misc.log_exception(_moduleLogger)
  79         def _on_close(self, checked = False):
  80                 self._errorLog.pop_message()
  81
  82         @QtCore.pyqtSlot()
  83         @misc.log_exception(_moduleLogger)
  84         def _on_message_pushed(self):
  85                 if 1 <= len(self._errorLog) and self._widget.isHidden():
  86                         self._message.setText(self._errorLog.peek_message())
  87                         self._widget.show()
  88
  89         @QtCore.pyqtSlot()
  90         @misc.log_exception(_moduleLogger)
  91         def _on_message_popped(self):
  92                 if len(self._errorLog) == 0:
  93                         self._message.setText("")
  94                         self._widget.hide()
  95                 else:
  96                         self._message.setText(self._errorLog.peek_message())
  97
  98
  99 def _null_set_stackable(window, isStackable):
 100         pass
 101
 102
 103 def _maemo_set_stackable(window, isStackable):
 104         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 105
 106
 107 try:
 108         QtCore.Qt.WA_Maemo5StackedWindow
 109         set_stackable = _maemo_set_stackable
 110 except AttributeError:
 111         set_stackable = _null_set_stackable
 112
 113
 114 def _null_set_autorient(window, isStackable):
 115         pass
 116
 117
 118 def _maemo_set_autorient(window, isStackable):
 119         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 120
 121
 122 try:
 123         QtCore.Qt.WA_Maemo5AutoOrientation
 124         set_autorient = _maemo_set_autorient
 125 except AttributeError:
 126         set_autorient = _null_set_autorient
 127
 128
 129 def _null_set_landscape(window, isStackable):
 130         pass
 131
 132
 133 def _maemo_set_landscape(window, isStackable):
 134         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 135
 136
 137 try:
 138         QtCore.Qt.WA_Maemo5LandscapeOrientation
 139         set_landscape = _maemo_set_landscape
 140 except AttributeError:
 141         set_landscape = _null_set_landscape
 142
 143
 144 def _null_set_portrait(window, isStackable):
 145         pass
 146
 147
 148 def _maemo_set_portrait(window, isStackable):
 149         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 150
 151
 152 try:
 153         QtCore.Qt.WA_Maemo5PortraitOrientation
 154         set_portrait = _maemo_set_portrait
 155 except AttributeError:
 156         set_portrait = _null_set_portrait
 157
 158
 159 def _null_show_progress_indicator(window, isStackable):
 160         pass
 161
 162
 163 def _maemo_show_progress_indicator(window, isStackable):
 164         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 165
 166
 167 try:
 168         QtCore.Qt.WA_Maemo5ShowProgressIndicator
 169         show_progress_indicator = _maemo_show_progress_indicator
 170 except AttributeError:
 171         show_progress_indicator = _null_show_progress_indicator
 172
 173
 174 def _null_mark_numbers_preferred(widget):
 175         pass
 176
 177
 178 def _newqt_mark_numbers_preferred(widget):
 179         widget.setInputMethodHints(QtCore.Qt.ImhPreferNumbers)
 180
 181
 182 try:
 183         QtCore.Qt.ImhPreferNumbers
 184         mark_numbers_preferred = _newqt_mark_numbers_preferred
 185 except AttributeError:
 186         mark_numbers_preferred = _null_mark_numbers_preferred
 187
 188
 189 def screen_orientation():
 190         geom = QtGui.QApplication.desktop().screenGeometry()
 191         if geom.width() <= geom.height():
 192                 return QtCore.Qt.Vertical
 193         else:
 194                 return QtCore.Qt.Horizontal
 195
 196
 197 def _null_get_theme_icon(iconNames, fallback = None):
 198         icon = fallback if fallback is not None else QtGui.QIcon()
 199         return icon
 200
 201
 202 def _newqt_get_theme_icon(iconNames, fallback = None):
 203         for iconName in iconNames:
 204                 if QtGui.QIcon.hasThemeIcon(iconName):
 205                         icon = QtGui.QIcon.fromTheme(iconName)
 206                         break
 207         else:
 208                 icon = fallback if fallback is not None else QtGui.QIcon()
 209         return icon
 210
 211
 212 try:
 213         QtGui.QIcon.fromTheme
 214         get_theme_icon = _newqt_get_theme_icon
 215 except AttributeError:
 216         get_theme_icon = _null_get_theme_icon
 217