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 class QHtmlDelegate(QtGui.QStyledItemDelegate):
 100
 101         def paint(self, painter, option, index):
 102                 newOption = QtGui.QStyleOptionViewItemV4(option)
 103                 self.initStyleOption(newOption, index)
 104
 105                 doc = QtGui.QTextDocument()
 106                 doc.setHtml(newOption.text)
 107                 doc.setTextWidth(newOption.rect.width())
 108
 109                 if newOption.widget is not None:
 110                         style = newOption.widget.style()
 111                 else:
 112                         style = QtGui.QApplication.style()
 113
 114                 newOption.text = ""
 115                 style.drawControl(QtGui.QStyle.CE_ItemViewItem, newOption, painter)
 116
 117                 ctx = QtGui.QAbstractTextDocumentLayout.PaintContext()
 118                 if newOption.state & QtGui.QStyle.State_Selected:
 119                         ctx.palette.setColor(
 120                                 QtGui.QPalette.Text,
 121                                 newOption.palette.color(
 122                                         QtGui.QPalette.Active,
 123                                         QtGui.QPalette.HighlightedText
 124                                 )
 125                         )
 126
 127                 textRect = style.subElementRect(QtGui.QStyle.SE_ItemViewItemText, newOption)
 128                 painter.save()
 129                 painter.translate(textRect.topLeft())
 130                 painter.setClipRect(textRect.translated(-textRect.topLeft()))
 131                 doc.documentLayout().draw(painter, ctx)
 132                 painter.restore()
 133
 134         def sizeHint(self, option, index):
 135                 newOption = QtGui.QStyleOptionViewItemV4(option)
 136                 self.initStyleOption(newOption, index)
 137
 138                 doc = QtGui.QTextDocument()
 139                 doc.setHtml(newOption.text)
 140                 doc.setTextWidth(newOption.rect.width())
 141                 size = QtCore.QSize(doc.idealWidth(), doc.size().height())
 142                 return size
 143
 144
 145 def _null_set_stackable(window, isStackable):
 146         pass
 147
 148
 149 def _maemo_set_stackable(window, isStackable):
 150         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 151
 152
 153 try:
 154         QtCore.Qt.WA_Maemo5StackedWindow
 155         set_stackable = _maemo_set_stackable
 156 except AttributeError:
 157         set_stackable = _null_set_stackable
 158
 159
 160 def _null_set_autorient(window, isStackable):
 161         pass
 162
 163
 164 def _maemo_set_autorient(window, isStackable):
 165         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 166
 167
 168 try:
 169         QtCore.Qt.WA_Maemo5AutoOrientation
 170         set_autorient = _maemo_set_autorient
 171 except AttributeError:
 172         set_autorient = _null_set_autorient
 173
 174
 175 def _null_set_landscape(window, isStackable):
 176         pass
 177
 178
 179 def _maemo_set_landscape(window, isStackable):
 180         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 181
 182
 183 try:
 184         QtCore.Qt.WA_Maemo5LandscapeOrientation
 185         set_landscape = _maemo_set_landscape
 186 except AttributeError:
 187         set_landscape = _null_set_landscape
 188
 189
 190 def _null_set_portrait(window, isStackable):
 191         pass
 192
 193
 194 def _maemo_set_portrait(window, isStackable):
 195         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 196
 197
 198 try:
 199         QtCore.Qt.WA_Maemo5PortraitOrientation
 200         set_portrait = _maemo_set_portrait
 201 except AttributeError:
 202         set_portrait = _null_set_portrait
 203
 204
 205 def _null_show_progress_indicator(window, isStackable):
 206         pass
 207
 208
 209 def _maemo_show_progress_indicator(window, isStackable):
 210         window.setAttribute(QtCore.Qt.WA_Maemo5StackedWindow, isStackable)
 211
 212
 213 try:
 214         QtCore.Qt.WA_Maemo5ShowProgressIndicator
 215         show_progress_indicator = _maemo_show_progress_indicator
 216 except AttributeError:
 217         show_progress_indicator = _null_show_progress_indicator
 218
 219
 220 def _null_mark_numbers_preferred(widget):
 221         pass
 222
 223
 224 def _newqt_mark_numbers_preferred(widget):
 225         widget.setInputMethodHints(QtCore.Qt.ImhPreferNumbers)
 226
 227
 228 try:
 229         QtCore.Qt.ImhPreferNumbers
 230         mark_numbers_preferred = _newqt_mark_numbers_preferred
 231 except AttributeError:
 232         mark_numbers_preferred = _null_mark_numbers_preferred
 233
 234
 235 def screen_orientation():
 236         geom = QtGui.QApplication.desktop().screenGeometry()
 237         if geom.width() <= geom.height():
 238                 return QtCore.Qt.Vertical
 239         else:
 240                 return QtCore.Qt.Horizontal
 241
 242
 243 def _null_get_theme_icon(iconNames, fallback = None):
 244         icon = fallback if fallback is not None else QtGui.QIcon()
 245         return icon
 246
 247
 248 def _newqt_get_theme_icon(iconNames, fallback = None):
 249         for iconName in iconNames:
 250                 if QtGui.QIcon.hasThemeIcon(iconName):
 251                         icon = QtGui.QIcon.fromTheme(iconName)
 252                         break
 253         else:
 254                 icon = fallback if fallback is not None else QtGui.QIcon()
 255         return icon
 256
 257
 258 try:
 259         QtGui.QIcon.fromTheme
 260         get_theme_icon = _newqt_get_theme_icon
 261 except AttributeError:
 262         get_theme_icon = _null_get_theme_icon
 263