vcs.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 constants(self):
  78                 return self._constants
  79
  80         @property
  81         def errorLog(self):
  82                 return self._errorLog
  83
  84         @property
  85         def fullscreenAction(self):
  86                 return self._fullscreenAction
  87
  88         @property
  89         def orientationAction(self):
  90                 return self._orientationAction
  91
  92         @property
  93         def logAction(self):
  94                 return self._logAction
  95
  96         @property
  97         def aboutAction(self):
  98                 return self._aboutAction
  99
 100         @property
 101         def quitAction(self):
 102                 return self._quitAction
 103
 104         def _close_windows(self):
 105                 if self._mainWindow is not None:
 106                         self.save_settings()
 107                         self._mainWindow.window.destroyed.disconnect(self._on_child_close)
 108                         self._mainWindow.close()
 109                         self._mainWindow = None
 110
 111         @misc_utils.log_exception(_moduleLogger)
 112         def _on_app_quit(self, checked = False):
 113                 if self._mainWindow is not None:
 114                         self.save_settings()
 115                         self._mainWindow.destroy()
 116
 117         @misc_utils.log_exception(_moduleLogger)
 118         def _on_child_close(self, obj = None):
 119                 if self._mainWindow is not None:
 120                         self.save_settings()
 121                         self._mainWindow = None
 122
 123         @misc_utils.log_exception(_moduleLogger)
 124         def _on_toggle_fullscreen(self, checked = False):
 125                 with qui_utils.notify_error(self._errorLog):
 126                         self._mainWindow.set_fullscreen(checked)
 127
 128         @misc_utils.log_exception(_moduleLogger)
 129         def _on_toggle_orientation(self, checked = False):
 130                 with qui_utils.notify_error(self._errorLog):
 131                         self._mainWindow.set_orientation(checked)
 132
 133         @misc_utils.log_exception(_moduleLogger)
 134         def _on_about(self, checked = True):
 135                 raise NotImplementedError("Booh")
 136
 137         @misc_utils.log_exception(_moduleLogger)
 138         def _on_log(self, checked = False):
 139                 with qui_utils.notify_error(self._errorLog):
 140                         with open(self._constants._user_logpath_, "r") as f:
 141                                 logLines = f.xreadlines()
 142                                 log = "".join(logLines)
 143                                 self._clipboard.setText(log)
 144
 145         @misc_utils.log_exception(_moduleLogger)
 146         def _on_quit(self, checked = False):
 147                 with qui_utils.notify_error(self._errorLog):
 148                         self._close_windows()
 149
 150
 151 class WindowWrapper(object):
 152
 153         def __init__(self, parent, app):
 154                 self._app = app
 155
 156                 self._errorDisplay = qui_utils.ErrorDisplay(self._app.errorLog)
 157
 158                 self._layout = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight)
 159                 self._layout.setContentsMargins(0, 0, 0, 0)
 160                 self._layout.addWidget(self._errorDisplay.toplevel)
 161
 162                 centralWidget = QtGui.QWidget()
 163                 centralWidget.setLayout(self._layout)
 164                 centralWidget.setContentsMargins(0, 0, 0, 0)
 165
 166                 self._window = QtGui.QMainWindow(parent)
 167                 self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
 168                 qui_utils.set_stackable(self._window, True)
 169                 self._window.setCentralWidget(centralWidget)
 170
 171                 self._closeWindowAction = QtGui.QAction(None)
 172                 self._closeWindowAction.setText("Close")
 173                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 174                 self._closeWindowAction.triggered.connect(self._on_close_window)
 175
 176                 self._window.addAction(self._closeWindowAction)
 177                 self._window.addAction(self._app.quitAction)
 178                 self._window.addAction(self._app.fullscreenAction)
 179                 self._window.addAction(self._app.orientationAction)
 180                 self._window.addAction(self._app.logAction)
 181
 182         @property
 183         def window(self):
 184                 return self._window
 185
 186         def walk_children(self):
 187                 return ()
 188
 189         def start(self):
 190                 pass
 191
 192         def close(self):
 193                 for child in self.walk_children():
 194                         child.window.destroyed.disconnect(self._on_child_close)
 195                         child.close()
 196                 self._window.close()
 197
 198         def destroy(self):
 199                 pass
 200
 201         def show(self):
 202                 self.set_fullscreen(self._app.fullscreenAction.isChecked())
 203                 self._window.show()
 204                 for child in self.walk_children():
 205                         child.show()
 206
 207         def hide(self):
 208                 for child in self.walk_children():
 209                         child.hide()
 210                 self._window.hide()
 211
 212         def set_fullscreen(self, isFullscreen):
 213                 if isFullscreen:
 214                         self._window.showFullScreen()
 215                 else:
 216                         self._window.showNormal()
 217                 for child in self.walk_children():
 218                         child.set_fullscreen(isFullscreen)
 219
 220         def set_orientation(self, isPortrait):
 221                 if isPortrait:
 222                         qui_utils.set_window_orientation(self.window, QtCore.Qt.Vertical)
 223                 else:
 224                         qui_utils.set_window_orientation(self.window, QtCore.Qt.Horizontal)
 225                 for child in self.walk_children():
 226                         child.set_orientation(isPortrait)
 227
 228         @misc_utils.log_exception(_moduleLogger)
 229         def _on_child_close(self):
 230                 raise NotImplementedError("Booh")
 231
 232         @misc_utils.log_exception(_moduleLogger)
 233         def _on_close_window(self, checked = True):
 234                 with qui_utils.notify_error(self._errorLog):
 235                         self.close()