git.maemo.org Git - ejpi/blob - src/util/qwrappers.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import with_statement
   4 from __future__ import division
   5
   6 import logging
   7
   8 from PyQt4 import QtGui
   9 from PyQt4 import QtCore
  10
  11 from util import qui_utils
  12 from util import misc as misc_utils
  13
  14
  15 _moduleLogger = logging.getLogger(__name__)
  16
  17
  18 class ApplicationWrapper(object):
  19
  20         def __init__(self, qapp, constants):
  21                 self._constants = constants
  22                 self._qapp = qapp
  23                 self._clipboard = QtGui.QApplication.clipboard()
  24
  25                 self._errorLog = qui_utils.QErrorLog()
  26                 self._mainWindow = None
  27
  28                 self._fullscreenAction = QtGui.QAction(None)
  29                 self._fullscreenAction.setText("Fullscreen")
  30                 self._fullscreenAction.setCheckable(True)
  31                 self._fullscreenAction.setShortcut(QtGui.QKeySequence("CTRL+Enter"))
  32                 self._fullscreenAction.toggled.connect(self._on_toggle_fullscreen)
  33
  34                 self._orientationAction = QtGui.QAction(None)
  35                 self._orientationAction.setText("Orientation")
  36                 self._orientationAction.setCheckable(True)
  37                 self._orientationAction.setShortcut(QtGui.QKeySequence("CTRL+o"))
  38                 self._orientationAction.toggled.connect(self._on_toggle_orientation)
  39
  40                 self._logAction = QtGui.QAction(None)
  41                 self._logAction.setText("Log")
  42                 self._logAction.setShortcut(QtGui.QKeySequence("CTRL+l"))
  43                 self._logAction.triggered.connect(self._on_log)
  44
  45                 self._quitAction = QtGui.QAction(None)
  46                 self._quitAction.setText("Quit")
  47                 self._quitAction.setShortcut(QtGui.QKeySequence("CTRL+q"))
  48                 self._quitAction.triggered.connect(self._on_quit)
  49
  50                 self._aboutAction = QtGui.QAction(None)
  51                 self._aboutAction.setText("About")
  52                 self._aboutAction.triggered.connect(self._on_about)
  53
  54                 self._qapp.lastWindowClosed.connect(self._on_app_quit)
  55                 self._mainWindow = self._new_main_window()
  56                 self._mainWindow.window.destroyed.connect(self._on_child_close)
  57
  58                 self.load_settings()
  59
  60                 self._mainWindow.show()
  61                 self._idleDelay = QtCore.QTimer()
  62                 self._idleDelay.setSingleShot(True)
  63                 self._idleDelay.setInterval(0)
  64                 self._idleDelay.timeout.connect(lambda: self._mainWindow.start())
  65                 self._idleDelay.start()
  66
  67         def load_settings(self):
  68                 raise NotImplementedError("Booh")
  69
  70         def save_settings(self):
  71                 raise NotImplementedError("Booh")
  72
  73         def _new_main_window(self):
  74                 raise NotImplementedError("Booh")
  75
  76         @property
  77         def qapp(self):
  78                 return self._qapp
  79
  80         @property
  81         def constants(self):
  82                 return self._constants
  83
  84         @property
  85         def errorLog(self):
  86                 return self._errorLog
  87
  88         @property
  89         def fullscreenAction(self):
  90                 return self._fullscreenAction
  91
  92         @property
  93         def orientationAction(self):
  94                 return self._orientationAction
  95
  96         @property
  97         def logAction(self):
  98                 return self._logAction
  99
 100         @property
 101         def aboutAction(self):
 102                 return self._aboutAction
 103
 104         @property
 105         def quitAction(self):
 106                 return self._quitAction
 107
 108         def _close_windows(self):
 109                 if self._mainWindow is not None:
 110                         self.save_settings()
 111                         self._mainWindow.window.destroyed.disconnect(self._on_child_close)
 112                         self._mainWindow.close()
 113                         self._mainWindow = None
 114
 115         @misc_utils.log_exception(_moduleLogger)
 116         def _on_app_quit(self, checked = False):
 117                 if self._mainWindow is not None:
 118                         self.save_settings()
 119                         self._mainWindow.destroy()
 120
 121         @misc_utils.log_exception(_moduleLogger)
 122         def _on_child_close(self, obj = None):
 123                 if self._mainWindow is not None:
 124                         self.save_settings()
 125                         self._mainWindow = None
 126
 127         @misc_utils.log_exception(_moduleLogger)
 128         def _on_toggle_fullscreen(self, checked = False):
 129                 with qui_utils.notify_error(self._errorLog):
 130                         self._mainWindow.set_fullscreen(checked)
 131
 132         @misc_utils.log_exception(_moduleLogger)
 133         def _on_toggle_orientation(self, checked = False):
 134                 with qui_utils.notify_error(self._errorLog):
 135                         self._mainWindow.set_orientation(checked)
 136
 137         @misc_utils.log_exception(_moduleLogger)
 138         def _on_about(self, checked = True):
 139                 raise NotImplementedError("Booh")
 140
 141         @misc_utils.log_exception(_moduleLogger)
 142         def _on_log(self, checked = False):
 143                 with qui_utils.notify_error(self._errorLog):
 144                         with open(self._constants._user_logpath_, "r") as f:
 145                                 logLines = f.xreadlines()
 146                                 log = "".join(logLines)
 147                                 self._clipboard.setText(log)
 148
 149         @misc_utils.log_exception(_moduleLogger)
 150         def _on_quit(self, checked = False):
 151                 with qui_utils.notify_error(self._errorLog):
 152                         self._close_windows()
 153
 154
 155 class WindowWrapper(object):
 156
 157         def __init__(self, parent, app):
 158                 self._app = app
 159
 160                 self._errorDisplay = qui_utils.ErrorDisplay(self._app.errorLog)
 161
 162                 self._layout = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight)
 163                 self._layout.setContentsMargins(0, 0, 0, 0)
 164                 self._layout.addWidget(self._errorDisplay.toplevel)
 165
 166                 centralWidget = QtGui.QWidget()
 167                 centralWidget.setLayout(self._layout)
 168                 centralWidget.setContentsMargins(0, 0, 0, 0)
 169
 170                 self._window = QtGui.QMainWindow(parent)
 171                 self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
 172                 qui_utils.set_stackable(self._window, True)
 173                 self._window.setCentralWidget(centralWidget)
 174
 175                 self._closeWindowAction = QtGui.QAction(None)
 176                 self._closeWindowAction.setText("Close")
 177                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 178                 self._closeWindowAction.triggered.connect(self._on_close_window)
 179
 180                 self._window.addAction(self._closeWindowAction)
 181                 self._window.addAction(self._app.quitAction)
 182                 self._window.addAction(self._app.fullscreenAction)
 183                 self._window.addAction(self._app.orientationAction)
 184                 self._window.addAction(self._app.logAction)
 185
 186         @property
 187         def window(self):
 188                 return self._window
 189
 190         def walk_children(self):
 191                 return ()
 192
 193         def start(self):
 194                 pass
 195
 196         def close(self):
 197                 for child in self.walk_children():
 198                         child.window.destroyed.disconnect(self._on_child_close)
 199                         child.close()
 200                 self._window.close()
 201
 202         def destroy(self):
 203                 pass
 204
 205         def show(self):
 206                 self.set_fullscreen(self._app.fullscreenAction.isChecked())
 207                 self._window.show()
 208                 for child in self.walk_children():
 209                         child.show()
 210
 211         def hide(self):
 212                 for child in self.walk_children():
 213                         child.hide()
 214                 self._window.hide()
 215
 216         def set_fullscreen(self, isFullscreen):
 217                 if isFullscreen:
 218                         self._window.showFullScreen()
 219                 else:
 220                         self._window.showNormal()
 221                 for child in self.walk_children():
 222                         child.set_fullscreen(isFullscreen)
 223
 224         def set_orientation(self, isPortrait):
 225                 if isPortrait:
 226                         qui_utils.set_window_orientation(self.window, QtCore.Qt.Vertical)
 227                 else:
 228                         qui_utils.set_window_orientation(self.window, QtCore.Qt.Horizontal)
 229                 for child in self.walk_children():
 230                         child.set_orientation(isPortrait)
 231
 232         @misc_utils.log_exception(_moduleLogger)
 233         def _on_child_close(self):
 234                 raise NotImplementedError("Booh")
 235
 236         @misc_utils.log_exception(_moduleLogger)
 237         def _on_close_window(self, checked = True):
 238                 with qui_utils.notify_error(self._errorLog):
 239                         self.close()
 240
 241
 242 class AutoFreezeWindowFeature(object):
 243
 244         def __init__(self, app, window):
 245                 self._app = app
 246                 self._window = window
 247                 self._app.qapp.focusChanged.connect(self._on_focus_changed)
 248                 if self._app.qapp.focusWidget() is not None:
 249                         self._window.setUpdatesEnabled(True)
 250                 else:
 251                         self._window.setUpdatesEnabled(False)
 252
 253         def close(self):
 254                 self._app.qapp.focusChanged.disconnect(self._on_focus_changed)
 255                 self._window.setUpdatesEnabled(True)
 256
 257         @misc_utils.log_exception(_moduleLogger)
 258         def _on_focus_changed(self, oldWindow, newWindow):
 259                 with qui_utils.notify_error(self._app.errorLog):
 260                         if oldWindow is None and newWindow is not None:
 261                                 self._window.setUpdatesEnabled(True)
 262                         elif oldWindow is not None and newWindow is None:
 263                                 self._window.setUpdatesEnabled(False)