git.maemo.org Git - gonvert/blob - src/gonvert_qt.py

   1 #!/usr/bin/env python
   2 # -*- coding: UTF8 -*-
   3
   4 from __future__ import with_statement
   5
   6 import sys
   7 import os
   8 import math
   9 import logging
  10
  11 from PyQt4 import QtGui
  12 from PyQt4 import QtCore
  13
  14 import constants
  15 from util import misc as misc_utils
  16 import unit_data
  17
  18
  19 _moduleLogger = logging.getLogger("gonvert_glade")
  20
  21
  22 def change_menu_label(widgets, labelname, newtext):
  23         item_label = widgets.get_widget(labelname).get_children()[0]
  24         item_label.set_text(newtext)
  25
  26
  27 def split_number(number):
  28         try:
  29                 fractional, integer = math.modf(number)
  30         except TypeError:
  31                 integerDisplay = number
  32                 fractionalDisplay = ""
  33         else:
  34                 integerDisplay = str(integer)
  35                 fractionalDisplay = str(fractional)
  36                 if "e+" in integerDisplay:
  37                         integerDisplay = number
  38                         fractionalDisplay = ""
  39                 elif "e-" in fractionalDisplay and 0.0 < integer:
  40                         integerDisplay = number
  41                         fractionalDisplay = ""
  42                 elif "e-" in fractionalDisplay:
  43                         integerDisplay = ""
  44                         fractionalDisplay = number
  45                 else:
  46                         integerDisplay = integerDisplay.split(".", 1)[0] + "."
  47                         fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
  48
  49         return integerDisplay, fractionalDisplay
  50
  51
  52 class Gonvert(object):
  53
  54         # @todo Persist settings
  55         # @todo Favorites
  56         # @bug Fix the resurrecting window problem
  57         # @todo Ctrl+l support
  58         # @todo Unit conversion window: focus always on input, arrows switch units
  59
  60         _DATA_PATHS = [
  61                 os.path.dirname(__file__),
  62                 os.path.join(os.path.dirname(__file__), "../data"),
  63                 os.path.join(os.path.dirname(__file__), "../lib"),
  64                 '/usr/share/gonvert',
  65                 '/usr/lib/gonvert',
  66         ]
  67
  68         def __init__(self):
  69                 self._dataPath = ""
  70                 for dataPath in self._DATA_PATHS:
  71                         appIconPath = os.path.join(dataPath, "pixmaps", "gonvert.png")
  72                         if os.path.isfile(appIconPath):
  73                                 self._dataPath = dataPath
  74                                 break
  75                 else:
  76                         raise RuntimeError("UI Descriptor not found!")
  77                 self._appIconPath = appIconPath
  78                 self._recent = []
  79                 self._isFullscreen = False
  80
  81                 self._jumpWindow = None
  82                 self._recentWindow = None
  83                 self._catWindow = None
  84
  85                 self._jumpAction = QtGui.QAction(None)
  86                 self._jumpAction.setText("Quick Jump")
  87                 self._jumpAction.setStatusTip("Search for a unit and jump straight to it")
  88                 self._jumpAction.setToolTip("Search for a unit and jump straight to it")
  89                 self._jumpAction.setShortcut(QtGui.QKeySequence("CTRL+j"))
  90                 self._jumpAction.triggered.connect(self._on_jump_start)
  91
  92                 self._recentAction = QtGui.QAction(None)
  93                 self._recentAction.setText("Recent Units")
  94                 self._recentAction.setStatusTip("View the recent units")
  95                 self._recentAction.setToolTip("View the recent units")
  96                 self._recentAction.setShortcut(QtGui.QKeySequence("CTRL+r"))
  97                 self._recentAction.triggered.connect(self._on_recent_start)
  98
  99                 self._fullscreenAction = QtGui.QAction(None)
 100                 self._fullscreenAction.setText("Toggle Fullscreen")
 101                 self._fullscreenAction.setShortcut(QtGui.QKeySequence("CTRL+Enter"))
 102                 self._fullscreenAction.triggered.connect(self._on_toggle_fullscreen)
 103
 104                 self._quitAction = QtGui.QAction(None)
 105                 self._quitAction.setText("Quit")
 106                 self._quitAction.setShortcut(QtGui.QKeySequence("CTRL+q"))
 107                 self._quitAction.triggered.connect(self._on_quit)
 108
 109                 self.request_category()
 110
 111         def request_category(self):
 112                 if self._catWindow is not None:
 113                         self._catWindow.close()
 114                         self._catWindow = None
 115                 self._catWindow = CategoryWindow(None, self)
 116                 return self._catWindow
 117
 118         def search_units(self):
 119                 if self._jumpWindow is not None:
 120                         self._jumpWindow.close()
 121                         self._jumpWindow = None
 122                 self._jumpWindow = QuickJump(None, self)
 123                 return self._jumpWindow
 124
 125         def show_recent(self):
 126                 if self._recentWindow is not None:
 127                         self._recentWindow.close()
 128                         self._recentWindow = None
 129                 self._recentWindow = Recent(None, self)
 130                 return self._recentWindow
 131
 132         def add_recent(self, categoryName, unitName):
 133                 catUnit = categoryName, unitName
 134                 try:
 135                         self._recent.remove(catUnit)
 136                 except ValueError:
 137                         pass # ignore if its not already in the recent history
 138                 self._recent.append(catUnit)
 139
 140         def get_recent_unit(self, categoryName):
 141                 for catName, unitName in reversed(self._recent):
 142                         if catName == categoryName:
 143                                 return unitName
 144                 else:
 145                         return ""
 146
 147         def get_recent(self):
 148                 return reversed(self._recent)
 149
 150         @property
 151         def appIconPath(self):
 152                 return self._appIconPath
 153
 154         @property
 155         def jumpAction(self):
 156                 return self._jumpAction
 157
 158         @property
 159         def recentAction(self):
 160                 return self._recentAction
 161
 162         @property
 163         def fullscreenAction(self):
 164                 return self._fullscreenAction
 165
 166         @property
 167         def quitAction(self):
 168                 return self._quitAction
 169
 170         def _walk_children(self):
 171                 if self._catWindow is not None:
 172                         yield self._catWindow
 173                 if self._jumpWindow is not None:
 174                         yield self._jumpWindow
 175                 if self._recentWindow is not None:
 176                         yield self._recentWindow
 177
 178         @misc_utils.log_exception(_moduleLogger)
 179         def _on_toggle_fullscreen(self, checked = False):
 180                 self._isFullscreen = not self._isFullscreen
 181                 for window in self._walk_children():
 182                         window.setFullscreen(self._isFullscreen)
 183
 184         @misc_utils.log_exception(_moduleLogger)
 185         def _on_jump_start(self, checked = False):
 186                 self.search_units()
 187
 188         @misc_utils.log_exception(_moduleLogger)
 189         def _on_recent_start(self, checked = False):
 190                 self.show_recent()
 191
 192         @misc_utils.log_exception(_moduleLogger)
 193         def _on_quit(self, checked = False):
 194                 for window in self._walk_children():
 195                         window.close()
 196
 197
 198 class CategoryWindow(object):
 199
 200         def __init__(self, parent, app):
 201                 self._app = app
 202                 self._unitWindow = None
 203
 204                 self._categories = QtGui.QTreeWidget()
 205                 self._categories.setHeaderLabels(["Categories"])
 206                 self._categories.itemClicked.connect(self._on_category_clicked)
 207                 self._categories.setHeaderHidden(True)
 208                 self._categories.setAlternatingRowColors(True)
 209                 for catName in unit_data.UNIT_CATEGORIES:
 210                         twi = QtGui.QTreeWidgetItem(self._categories)
 211                         twi.setText(0, catName)
 212
 213                 self._layout = QtGui.QVBoxLayout()
 214                 self._layout.addWidget(self._categories)
 215
 216                 centralWidget = QtGui.QWidget()
 217                 centralWidget.setLayout(self._layout)
 218
 219                 self._window = QtGui.QMainWindow(parent)
 220                 if parent is not None:
 221                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 222                 self._window.setWindowTitle("%s - Categories" % constants.__pretty_app_name__)
 223                 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
 224                 self._window.setCentralWidget(centralWidget)
 225
 226                 self._closeWindowAction = QtGui.QAction(None)
 227                 self._closeWindowAction.setText("Window")
 228                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 229                 self._closeWindowAction.triggered.connect(self._on_close_window)
 230
 231                 fileMenu = self._window.menuBar().addMenu("&File")
 232                 fileMenu.addAction(self._closeWindowAction)
 233                 fileMenu.addAction(self._app.quitAction)
 234
 235                 viewMenu = self._window.menuBar().addMenu("&View")
 236                 viewMenu.addAction(self._app.fullscreenAction)
 237                 viewMenu.addSeparator()
 238                 viewMenu.addAction(self._app.jumpAction)
 239                 viewMenu.addAction(self._app.recentAction)
 240
 241                 self._window.show()
 242
 243         def walk_children(self):
 244                 if self._unitWindow is not None:
 245                         yield self._unitWindow
 246
 247         def close(self):
 248                 for child in self.walk_children():
 249                         child.close()
 250                 self._window.close()
 251
 252         def selectCategory(self, categoryName):
 253                 for child in self.walk_children():
 254                         child.close()
 255                 self._unitWindow = UnitWindow(self._window, categoryName, self._app)
 256                 return self._unitWindow
 257
 258         def setFullscreen(self, isFullscreen):
 259                 if isFullscreen:
 260                         self._window.showFullScreen()
 261                 else:
 262                         self._window.showNormal()
 263                 for child in self.walk_children():
 264                         child.setFullscreen(isFullscreen)
 265
 266         @misc_utils.log_exception(_moduleLogger)
 267         def _on_close_window(self, checked = True):
 268                 self.close()
 269
 270         @misc_utils.log_exception(_moduleLogger)
 271         def _on_category_clicked(self, item, columnIndex):
 272                 categoryName = unicode(item.text(0))
 273                 self.selectCategory(categoryName)
 274
 275
 276 class QuickJump(object):
 277
 278         MINIMAL_ENTRY = 3
 279
 280         def __init__(self, parent, app):
 281                 self._app = app
 282
 283                 self._searchLabel = QtGui.QLabel("Search:")
 284                 self._searchEntry = QtGui.QLineEdit("")
 285                 self._searchEntry.textEdited.connect(self._on_search_edited)
 286
 287                 self._entryLayout = QtGui.QHBoxLayout()
 288                 self._entryLayout.addWidget(self._searchLabel)
 289                 self._entryLayout.addWidget(self._searchEntry)
 290
 291                 self._resultsBox = QtGui.QTreeWidget()
 292                 self._resultsBox.setHeaderLabels(["Categories", "Units"])
 293                 self._resultsBox.setHeaderHidden(True)
 294                 self._resultsBox.setAlternatingRowColors(True)
 295                 self._resultsBox.itemClicked.connect(self._on_result_clicked)
 296
 297                 self._layout = QtGui.QVBoxLayout()
 298                 self._layout.addLayout(self._entryLayout)
 299                 self._layout.addWidget(self._resultsBox)
 300
 301                 centralWidget = QtGui.QWidget()
 302                 centralWidget.setLayout(self._layout)
 303
 304                 self._window = QtGui.QMainWindow(parent)
 305                 if parent is not None:
 306                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 307                 self._window.setWindowTitle("%s - Quick Jump" % constants.__pretty_app_name__)
 308                 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
 309                 self._window.setCentralWidget(centralWidget)
 310
 311                 self._closeWindowAction = QtGui.QAction(None)
 312                 self._closeWindowAction.setText("Window")
 313                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 314                 self._closeWindowAction.triggered.connect(self._on_close_window)
 315
 316                 fileMenu = self._window.menuBar().addMenu("&File")
 317                 fileMenu.addAction(self._closeWindowAction)
 318                 fileMenu.addAction(self._app.quitAction)
 319
 320                 viewMenu = self._window.menuBar().addMenu("&View")
 321                 viewMenu.addAction(self._app.fullscreenAction)
 322
 323                 self._window.show()
 324
 325         def close(self):
 326                 self._window.close()
 327
 328         def setFullscreen(self, isFullscreen):
 329                 if isFullscreen:
 330                         self._window.showFullScreen()
 331                 else:
 332                         self._window.showNormal()
 333
 334         @misc_utils.log_exception(_moduleLogger)
 335         def _on_close_window(self, checked = True):
 336                 self.close()
 337
 338         @misc_utils.log_exception(_moduleLogger)
 339         def _on_result_clicked(self, item, columnIndex):
 340                 categoryName = unicode(item.text(0))
 341                 unitName = unicode(item.text(1))
 342                 catWindow = self._app.request_category()
 343                 unitsWindow = catWindow.selectCategory(categoryName)
 344                 unitsWindow.select_unit(unitName)
 345                 self.close()
 346
 347         @misc_utils.log_exception(_moduleLogger)
 348         def _on_search_edited(self, *args):
 349                 userInput = self._searchEntry.text()
 350                 if len(userInput) <  self.MINIMAL_ENTRY:
 351                         return
 352
 353                 self._resultsBox.clear()
 354                 lowerInput = str(userInput).lower()
 355                 for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
 356                         units = unit_data.get_units(category)
 357                         for unitIndex, unit in enumerate(units):
 358                                 loweredUnit = unit.lower()
 359                                 if lowerInput in loweredUnit:
 360                                         twi = QtGui.QTreeWidgetItem(self._resultsBox)
 361                                         twi.setText(0, category)
 362                                         twi.setText(1, unit)
 363
 364
 365 class Recent(object):
 366
 367         def __init__(self, parent, app):
 368                 self._app = app
 369
 370                 self._resultsBox = QtGui.QTreeWidget()
 371                 self._resultsBox.setHeaderLabels(["Categories", "Units"])
 372                 self._resultsBox.setHeaderHidden(True)
 373                 self._resultsBox.setAlternatingRowColors(True)
 374                 self._resultsBox.itemClicked.connect(self._on_result_clicked)
 375
 376                 self._layout = QtGui.QVBoxLayout()
 377                 self._layout.addWidget(self._resultsBox)
 378
 379                 centralWidget = QtGui.QWidget()
 380                 centralWidget.setLayout(self._layout)
 381
 382                 self._window = QtGui.QMainWindow(parent)
 383                 if parent is not None:
 384                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 385                 self._window.setWindowTitle("%s - Recent" % constants.__pretty_app_name__)
 386                 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
 387                 self._window.setCentralWidget(centralWidget)
 388
 389                 for cat, unit in self._app.get_recent():
 390                         twi = QtGui.QTreeWidgetItem(self._resultsBox)
 391                         twi.setText(0, cat)
 392                         twi.setText(1, unit)
 393
 394                 self._closeWindowAction = QtGui.QAction(None)
 395                 self._closeWindowAction.setText("Window")
 396                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 397                 self._closeWindowAction.triggered.connect(self._on_close_window)
 398
 399                 fileMenu = self._window.menuBar().addMenu("&File")
 400                 fileMenu.addAction(self._closeWindowAction)
 401                 fileMenu.addAction(self._app.quitAction)
 402
 403                 viewMenu = self._window.menuBar().addMenu("&View")
 404                 viewMenu.addAction(self._app.fullscreenAction)
 405
 406                 self._window.show()
 407
 408         def close(self):
 409                 self._window.close()
 410
 411         def setFullscreen(self, isFullscreen):
 412                 if isFullscreen:
 413                         self._window.showFullScreen()
 414                 else:
 415                         self._window.showNormal()
 416
 417         @misc_utils.log_exception(_moduleLogger)
 418         def _on_close_window(self, checked = True):
 419                 self.close()
 420
 421         @misc_utils.log_exception(_moduleLogger)
 422         def _on_result_clicked(self, item, columnIndex):
 423                 categoryName = unicode(item.text(0))
 424                 unitName = unicode(item.text(1))
 425                 catWindow = self._app.request_category()
 426                 unitsWindow = catWindow.selectCategory(categoryName)
 427                 unitsWindow.select_unit(unitName)
 428                 self.close()
 429
 430
 431 class UnitData(object):
 432
 433         HEADERS = ["Name", "Value", "", "Unit"]
 434         ALIGNMENT = [QtCore.Qt.AlignLeft, QtCore.Qt.AlignRight, QtCore.Qt.AlignLeft, QtCore.Qt.AlignLeft]
 435
 436         def __init__(self, name, unit, description, conversion):
 437                 self._name = name
 438                 self._unit = unit
 439                 self._description = description
 440                 self._conversion = conversion
 441
 442                 self._value = 0.0
 443                 self._integerDisplay, self._fractionalDisplay = split_number(self._value)
 444
 445         @property
 446         def name(self):
 447                 return self._name
 448
 449         @property
 450         def value(self):
 451                 return self._value
 452
 453         def update_value(self, newValue):
 454                 self._value = newValue
 455                 self._integerDisplay, self._fractionalDisplay = split_number(newValue)
 456
 457         @property
 458         def unit(self):
 459                 return self._unit
 460
 461         @property
 462         def conversion(self):
 463                 return self._conversion
 464
 465         def data(self, column):
 466                 try:
 467                         return [self._name, self._integerDisplay, self._fractionalDisplay, self._unit][column]
 468                 except IndexError:
 469                         return None
 470
 471
 472 class UnitModel(QtCore.QAbstractItemModel):
 473
 474         def __init__(self, categoryName, parent=None):
 475                 super(UnitModel, self).__init__(parent)
 476                 self._categoryName = categoryName
 477                 self._unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
 478
 479                 self._children = []
 480                 for key in unit_data.get_units(self._categoryName):
 481                         conversion, unit, description = self._unitData[key]
 482                         self._children.append(UnitData(key, unit, description, conversion))
 483                 self._sortSettings = None
 484
 485         @misc_utils.log_exception(_moduleLogger)
 486         def columnCount(self, parent):
 487                 if parent.isValid():
 488                         return 0
 489                 else:
 490                         return len(UnitData.HEADERS)
 491
 492         @misc_utils.log_exception(_moduleLogger)
 493         def data(self, index, role):
 494                 if not index.isValid():
 495                         return None
 496                 elif role == QtCore.Qt.TextAlignmentRole:
 497                         return UnitData.ALIGNMENT[index.column()]
 498                 elif role != QtCore.Qt.DisplayRole:
 499                         return None
 500
 501                 item = index.internalPointer()
 502                 if isinstance(item, UnitData):
 503                         return item.data(index.column())
 504                 elif item is UnitData.HEADERS:
 505                         return item[index.column()]
 506
 507         @misc_utils.log_exception(_moduleLogger)
 508         def sort(self, column, order = QtCore.Qt.AscendingOrder):
 509                 self._sortSettings = column, order
 510                 isReverse = order == QtCore.Qt.AscendingOrder
 511                 if column == 0:
 512                         key_func = lambda item: item.name
 513                 elif column in [1, 2]:
 514                         key_func = lambda item: item.value
 515                 elif column == 3:
 516                         key_func = lambda item: item.unit
 517                 self._children.sort(key=key_func, reverse = isReverse)
 518
 519                 self._all_changed()
 520
 521         @misc_utils.log_exception(_moduleLogger)
 522         def flags(self, index):
 523                 if not index.isValid():
 524                         return QtCore.Qt.NoItemFlags
 525
 526                 return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
 527
 528         @misc_utils.log_exception(_moduleLogger)
 529         def headerData(self, section, orientation, role):
 530                 if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole:
 531                         return UnitData.HEADERS[section]
 532
 533                 return None
 534
 535         @misc_utils.log_exception(_moduleLogger)
 536         def index(self, row, column, parent):
 537                 if not self.hasIndex(row, column, parent):
 538                         return QtCore.QModelIndex()
 539
 540                 if parent.isValid():
 541                         return QtCore.QModelIndex()
 542
 543                 parentItem = UnitData.HEADERS
 544                 childItem = self._children[row]
 545                 if childItem:
 546                         return self.createIndex(row, column, childItem)
 547                 else:
 548                         return QtCore.QModelIndex()
 549
 550         @misc_utils.log_exception(_moduleLogger)
 551         def parent(self, index):
 552                 if not index.isValid():
 553                         return QtCore.QModelIndex()
 554
 555                 childItem = index.internalPointer()
 556                 if isinstance(childItem, UnitData):
 557                         return QtCore.QModelIndex()
 558                 elif childItem is UnitData.HEADERS:
 559                         return None
 560
 561         @misc_utils.log_exception(_moduleLogger)
 562         def rowCount(self, parent):
 563                 if 0 < parent.column():
 564                         return 0
 565
 566                 if not parent.isValid():
 567                         return len(self._children)
 568                 else:
 569                         return len(self._children)
 570
 571         def get_unit(self, index):
 572                 return self._children[index]
 573
 574         def index_unit(self, unitName):
 575                 for i, child in enumerate(self._children):
 576                         if child.name == unitName:
 577                                 return i
 578                 else:
 579                         raise RuntimeError("Unit not found")
 580
 581         def update_values(self, fromIndex, userInput):
 582                 value = self._sanitize_value(userInput)
 583                 func, arg = self._children[fromIndex].conversion
 584                 base = func.to_base(value, arg)
 585                 for i, child in enumerate(self._children):
 586                         if i == fromIndex:
 587                                 continue
 588                         func, arg = child.conversion
 589                         newValue = func.from_base(base, arg)
 590                         child.update_value(newValue)
 591
 592                 if self._sortSettings is not None:
 593                         self.sort(*self._sortSettings)
 594                 self._all_changed()
 595
 596         def _all_changed(self):
 597                 topLeft = self.createIndex(0, 0, self._children[0])
 598                 bottomRight = self.createIndex(len(self._children)-1, len(UnitData.HEADERS)-1, self._children[-1])
 599                 self.dataChanged.emit(topLeft, bottomRight)
 600
 601         def _sanitize_value(self, userEntry):
 602                 if self._categoryName == "Computer Numbers":
 603                         if userEntry == '':
 604                                 value = '0'
 605                         else:
 606                                 value = userEntry
 607                 else:
 608                         if userEntry == '':
 609                                 value = 0.0
 610                         else:
 611                                 value = float(userEntry)
 612                 return value
 613
 614
 615 class UnitWindow(object):
 616
 617         def __init__(self, parent, category, app):
 618                 self._app = app
 619                 self._categoryName = category
 620                 self._selectedIndex = 0
 621
 622                 self._selectedUnitName = QtGui.QLabel()
 623                 self._selectedUnitValue = QtGui.QLineEdit()
 624                 self._selectedUnitValue.textEdited.connect(self._on_value_edited)
 625                 self._selectedUnitSymbol = QtGui.QLabel()
 626
 627                 self._selectedUnitLayout = QtGui.QHBoxLayout()
 628                 self._selectedUnitLayout.addWidget(self._selectedUnitName)
 629                 self._selectedUnitLayout.addWidget(self._selectedUnitValue)
 630                 self._selectedUnitLayout.addWidget(self._selectedUnitSymbol)
 631
 632                 self._unitsModel = UnitModel(self._categoryName)
 633                 self._unitsView = QtGui.QTreeView()
 634                 self._unitsView.setModel(self._unitsModel)
 635                 self._unitsView.clicked.connect(self._on_unit_clicked)
 636                 self._unitsView.setUniformRowHeights(True)
 637                 self._unitsView.header().setSortIndicatorShown(True)
 638                 self._unitsView.header().setClickable(True)
 639                 self._unitsView.setSortingEnabled(True)
 640                 self._unitsView.setAlternatingRowColors(True)
 641                 if True:
 642                         self._unitsView.setHeaderHidden(True)
 643
 644                 self._layout = QtGui.QVBoxLayout()
 645                 self._layout.addLayout(self._selectedUnitLayout)
 646                 self._layout.addWidget(self._unitsView)
 647
 648                 centralWidget = QtGui.QWidget()
 649                 centralWidget.setLayout(self._layout)
 650
 651                 self._window = QtGui.QMainWindow(parent)
 652                 if parent is not None:
 653                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 654                 self._window.setWindowTitle("%s - %s" % (constants.__pretty_app_name__, category))
 655                 self._window.setWindowIcon(QtGui.QIcon(app.appIconPath))
 656                 self._window.setCentralWidget(centralWidget)
 657
 658                 defaultUnitName = self._app.get_recent_unit(self._categoryName)
 659                 if defaultUnitName:
 660                         self.select_unit(defaultUnitName)
 661                 else:
 662                         self._select_unit(0)
 663                 self._unitsModel.sort(1)
 664
 665                 self._sortActionGroup = QtGui.QActionGroup(None)
 666                 self._sortByNameAction = QtGui.QAction(self._sortActionGroup)
 667                 self._sortByNameAction.setText("Sort By Name")
 668                 self._sortByNameAction.setStatusTip("Sort the units by name")
 669                 self._sortByNameAction.setToolTip("Sort the units by name")
 670                 self._sortByValueAction = QtGui.QAction(self._sortActionGroup)
 671                 self._sortByValueAction.setText("Sort By Value")
 672                 self._sortByValueAction.setStatusTip("Sort the units by value")
 673                 self._sortByValueAction.setToolTip("Sort the units by value")
 674                 self._sortByUnitAction = QtGui.QAction(self._sortActionGroup)
 675                 self._sortByUnitAction.setText("Sort By Unit")
 676                 self._sortByUnitAction.setStatusTip("Sort the units by unit")
 677                 self._sortByUnitAction.setToolTip("Sort the units by unit")
 678
 679                 self._sortByValueAction.setChecked(True)
 680
 681                 self._closeWindowAction = QtGui.QAction(None)
 682                 self._closeWindowAction.setText("Close Window")
 683                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 684                 self._closeWindowAction.triggered.connect(self._on_close_window)
 685
 686                 fileMenu = self._window.menuBar().addMenu("&File")
 687                 fileMenu.addAction(self._closeWindowAction)
 688                 fileMenu.addAction(self._app.quitAction)
 689
 690                 viewMenu = self._window.menuBar().addMenu("&View")
 691                 viewMenu.addAction(self._app.fullscreenAction)
 692                 viewMenu.addSeparator()
 693                 viewMenu.addAction(self._app.jumpAction)
 694                 viewMenu.addAction(self._app.recentAction)
 695                 viewMenu.addSeparator()
 696                 viewMenu.addAction(self._sortByNameAction)
 697                 viewMenu.addAction(self._sortByValueAction)
 698                 viewMenu.addAction(self._sortByUnitAction)
 699
 700                 self._sortByNameAction.triggered.connect(self._on_sort_by_name)
 701                 self._sortByValueAction.triggered.connect(self._on_sort_by_value)
 702                 self._sortByUnitAction.triggered.connect(self._on_sort_by_unit)
 703
 704                 self._window.show()
 705
 706         def close(self):
 707                 self._window.close()
 708
 709         def setFullscreen(self, isFullscreen):
 710                 if isFullscreen:
 711                         self._window.showFullScreen()
 712                 else:
 713                         self._window.showNormal()
 714
 715         def select_unit(self, unitName):
 716                 index = self._unitsModel.index_unit(unitName)
 717                 self._select_unit(index)
 718
 719         @misc_utils.log_exception(_moduleLogger)
 720         def _on_close_window(self, checked = True):
 721                 self.close()
 722
 723         @misc_utils.log_exception(_moduleLogger)
 724         def _on_sort_by_name(self, checked = False):
 725                 self._unitsModel.sort(0, QtCore.Qt.DescendingOrder)
 726
 727         @misc_utils.log_exception(_moduleLogger)
 728         def _on_sort_by_value(self, checked = False):
 729                 self._unitsModel.sort(1)
 730
 731         @misc_utils.log_exception(_moduleLogger)
 732         def _on_sort_by_unit(self, checked = False):
 733                 self._unitsModel.sort(3, QtCore.Qt.DescendingOrder)
 734
 735         @misc_utils.log_exception(_moduleLogger)
 736         def _on_unit_clicked(self, index):
 737                 self._select_unit(index.row())
 738
 739         @misc_utils.log_exception(_moduleLogger)
 740         def _on_value_edited(self, *args):
 741                 userInput = self._selectedUnitValue.text()
 742                 self._unitsModel.update_values(self._selectedIndex, str(userInput))
 743
 744         def _select_unit(self, index):
 745                 unit = self._unitsModel.get_unit(index)
 746                 self._selectedUnitName.setText(unit.name)
 747                 self._selectedUnitValue.setText(str(unit.value))
 748                 self._selectedUnitSymbol.setText(unit.unit)
 749
 750                 self._selectedIndex = index
 751                 qindex = self._unitsModel.createIndex(index, 0, self._unitsModel.get_unit(index))
 752                 self._unitsView.scrollTo(qindex)
 753                 self._app.add_recent(self._categoryName, self._unitsModel.get_unit(index).name)
 754
 755
 756 def run_gonvert():
 757         app = QtGui.QApplication([])
 758         handle = Gonvert()
 759         return app.exec_()
 760
 761
 762 if __name__ == "__main__":
 763         logging.basicConfig(level = logging.DEBUG)
 764         try:
 765                 os.makedirs(constants._data_path_)
 766         except OSError, e:
 767                 if e.errno != 17:
 768                         raise
 769
 770         val = run_gonvert()
 771         sys.exit(val)