4 from __future__ import with_statement
11 from PyQt4 import QtGui
12 from PyQt4 import QtCore
15 from util import misc as misc_utils
19 _moduleLogger = logging.getLogger("gonvert_glade")
22 def change_menu_label(widgets, labelname, newtext):
23 item_label = widgets.get_widget(labelname).get_children()[0]
24 item_label.set_text(newtext)
27 def split_number(number):
29 fractional, integer = math.modf(number)
31 integerDisplay = number
32 fractionalDisplay = ""
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:
44 fractionalDisplay = number
46 integerDisplay = integerDisplay.split(".", 1)[0] + "."
47 fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
49 return integerDisplay, fractionalDisplay
52 class Gonvert(object):
54 # @todo Persist settings
56 # @bug Fix the resurrecting window problem
57 # @todo Unit conversion window: focus always on input, arrows switch units
60 os.path.dirname(__file__),
61 os.path.join(os.path.dirname(__file__), "../data"),
62 os.path.join(os.path.dirname(__file__), "../lib"),
69 for dataPath in self._DATA_PATHS:
70 appIconPath = os.path.join(dataPath, "pixmaps", "gonvert.png")
71 if os.path.isfile(appIconPath):
72 self._dataPath = dataPath
75 raise RuntimeError("UI Descriptor not found!")
76 self._appIconPath = appIconPath
78 self._isFullscreen = False
79 self._clipboard = QtGui.QApplication.clipboard()
81 self._jumpWindow = None
82 self._recentWindow = None
83 self._catWindow = None
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)
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)
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)
104 self._logAction = QtGui.QAction(None)
105 self._logAction.setText("Log")
106 self._logAction.setShortcut(QtGui.QKeySequence("CTRL+l"))
107 self._logAction.triggered.connect(self._on_log)
109 self._quitAction = QtGui.QAction(None)
110 self._quitAction.setText("Quit")
111 self._quitAction.setShortcut(QtGui.QKeySequence("CTRL+q"))
112 self._quitAction.triggered.connect(self._on_quit)
114 self.request_category()
116 def request_category(self):
117 if self._catWindow is not None:
118 self._catWindow.close()
119 self._catWindow = None
120 self._catWindow = CategoryWindow(None, self)
121 return self._catWindow
123 def search_units(self):
124 if self._jumpWindow is not None:
125 self._jumpWindow.close()
126 self._jumpWindow = None
127 self._jumpWindow = QuickJump(None, self)
128 return self._jumpWindow
130 def show_recent(self):
131 if self._recentWindow is not None:
132 self._recentWindow.close()
133 self._recentWindow = None
134 self._recentWindow = Recent(None, self)
135 return self._recentWindow
137 def add_recent(self, categoryName, unitName):
138 catUnit = categoryName, unitName
140 self._recent.remove(catUnit)
142 pass # ignore if its not already in the recent history
143 self._recent.append(catUnit)
145 def get_recent_unit(self, categoryName):
146 for catName, unitName in reversed(self._recent):
147 if catName == categoryName:
152 def get_recent(self):
153 return reversed(self._recent)
156 def appIconPath(self):
157 return self._appIconPath
160 def jumpAction(self):
161 return self._jumpAction
164 def recentAction(self):
165 return self._recentAction
168 def fullscreenAction(self):
169 return self._fullscreenAction
173 return self._logAction
176 def quitAction(self):
177 return self._quitAction
179 def _walk_children(self):
180 if self._catWindow is not None:
181 yield self._catWindow
182 if self._jumpWindow is not None:
183 yield self._jumpWindow
184 if self._recentWindow is not None:
185 yield self._recentWindow
187 @misc_utils.log_exception(_moduleLogger)
188 def _on_toggle_fullscreen(self, checked = False):
189 self._isFullscreen = not self._isFullscreen
190 for window in self._walk_children():
191 window.setFullscreen(self._isFullscreen)
193 @misc_utils.log_exception(_moduleLogger)
194 def _on_jump_start(self, checked = False):
197 @misc_utils.log_exception(_moduleLogger)
198 def _on_recent_start(self, checked = False):
201 @misc_utils.log_exception(_moduleLogger)
202 def _on_log(self, checked = False):
203 with open(constants._user_logpath_, "r") as f:
204 logLines = f.xreadlines()
205 log = "".join(logLines)
206 self._clipboard.setText(log)
208 @misc_utils.log_exception(_moduleLogger)
209 def _on_quit(self, checked = False):
210 for window in self._walk_children():
214 class CategoryWindow(object):
216 def __init__(self, parent, app):
218 self._unitWindow = None
220 self._categories = QtGui.QTreeWidget()
221 self._categories.setHeaderLabels(["Categories"])
222 self._categories.itemClicked.connect(self._on_category_clicked)
223 self._categories.setHeaderHidden(True)
224 self._categories.setAlternatingRowColors(True)
225 for catName in unit_data.UNIT_CATEGORIES:
226 twi = QtGui.QTreeWidgetItem(self._categories)
227 twi.setText(0, catName)
229 self._layout = QtGui.QVBoxLayout()
230 self._layout.addWidget(self._categories)
232 centralWidget = QtGui.QWidget()
233 centralWidget.setLayout(self._layout)
235 self._window = QtGui.QMainWindow(parent)
236 if parent is not None:
237 self._window.setWindowModality(QtCore.Qt.WindowModal)
238 self._window.setWindowTitle("%s - Categories" % constants.__pretty_app_name__)
239 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
240 self._window.setCentralWidget(centralWidget)
242 self._closeWindowAction = QtGui.QAction(None)
243 self._closeWindowAction.setText("Window")
244 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
245 self._closeWindowAction.triggered.connect(self._on_close_window)
247 fileMenu = self._window.menuBar().addMenu("&File")
248 fileMenu.addAction(self._closeWindowAction)
249 fileMenu.addAction(self._app.quitAction)
251 viewMenu = self._window.menuBar().addMenu("&View")
252 viewMenu.addAction(self._app.fullscreenAction)
253 viewMenu.addSeparator()
254 viewMenu.addAction(self._app.jumpAction)
255 viewMenu.addAction(self._app.recentAction)
257 self._window.addAction(self._app.logAction)
261 def walk_children(self):
262 if self._unitWindow is not None:
263 yield self._unitWindow
266 for child in self.walk_children():
270 def selectCategory(self, categoryName):
271 for child in self.walk_children():
273 self._unitWindow = UnitWindow(self._window, categoryName, self._app)
274 return self._unitWindow
276 def setFullscreen(self, isFullscreen):
278 self._window.showFullScreen()
280 self._window.showNormal()
281 for child in self.walk_children():
282 child.setFullscreen(isFullscreen)
284 @misc_utils.log_exception(_moduleLogger)
285 def _on_close_window(self, checked = True):
288 @misc_utils.log_exception(_moduleLogger)
289 def _on_category_clicked(self, item, columnIndex):
290 categoryName = unicode(item.text(0))
291 self.selectCategory(categoryName)
294 class QuickJump(object):
298 def __init__(self, parent, app):
301 self._searchLabel = QtGui.QLabel("Search:")
302 self._searchEntry = QtGui.QLineEdit("")
303 self._searchEntry.textEdited.connect(self._on_search_edited)
305 self._entryLayout = QtGui.QHBoxLayout()
306 self._entryLayout.addWidget(self._searchLabel)
307 self._entryLayout.addWidget(self._searchEntry)
309 self._resultsBox = QtGui.QTreeWidget()
310 self._resultsBox.setHeaderLabels(["Categories", "Units"])
311 self._resultsBox.setHeaderHidden(True)
312 self._resultsBox.setAlternatingRowColors(True)
313 self._resultsBox.itemClicked.connect(self._on_result_clicked)
315 self._layout = QtGui.QVBoxLayout()
316 self._layout.addLayout(self._entryLayout)
317 self._layout.addWidget(self._resultsBox)
319 centralWidget = QtGui.QWidget()
320 centralWidget.setLayout(self._layout)
322 self._window = QtGui.QMainWindow(parent)
323 if parent is not None:
324 self._window.setWindowModality(QtCore.Qt.WindowModal)
325 self._window.setWindowTitle("%s - Quick Jump" % constants.__pretty_app_name__)
326 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
327 self._window.setCentralWidget(centralWidget)
329 self._closeWindowAction = QtGui.QAction(None)
330 self._closeWindowAction.setText("Window")
331 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
332 self._closeWindowAction.triggered.connect(self._on_close_window)
334 fileMenu = self._window.menuBar().addMenu("&File")
335 fileMenu.addAction(self._closeWindowAction)
336 fileMenu.addAction(self._app.quitAction)
338 viewMenu = self._window.menuBar().addMenu("&View")
339 viewMenu.addAction(self._app.fullscreenAction)
341 self._window.addAction(self._app.logAction)
348 def setFullscreen(self, isFullscreen):
350 self._window.showFullScreen()
352 self._window.showNormal()
354 @misc_utils.log_exception(_moduleLogger)
355 def _on_close_window(self, checked = True):
358 @misc_utils.log_exception(_moduleLogger)
359 def _on_result_clicked(self, item, columnIndex):
360 categoryName = unicode(item.text(0))
361 unitName = unicode(item.text(1))
362 catWindow = self._app.request_category()
363 unitsWindow = catWindow.selectCategory(categoryName)
364 unitsWindow.select_unit(unitName)
367 @misc_utils.log_exception(_moduleLogger)
368 def _on_search_edited(self, *args):
369 userInput = self._searchEntry.text()
370 if len(userInput) < self.MINIMAL_ENTRY:
373 self._resultsBox.clear()
374 lowerInput = str(userInput).lower()
375 for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
376 units = unit_data.get_units(category)
377 for unitIndex, unit in enumerate(units):
378 loweredUnit = unit.lower()
379 if lowerInput in loweredUnit:
380 twi = QtGui.QTreeWidgetItem(self._resultsBox)
381 twi.setText(0, category)
385 class Recent(object):
387 def __init__(self, parent, app):
390 self._resultsBox = QtGui.QTreeWidget()
391 self._resultsBox.setHeaderLabels(["Categories", "Units"])
392 self._resultsBox.setHeaderHidden(True)
393 self._resultsBox.setAlternatingRowColors(True)
394 self._resultsBox.itemClicked.connect(self._on_result_clicked)
396 self._layout = QtGui.QVBoxLayout()
397 self._layout.addWidget(self._resultsBox)
399 centralWidget = QtGui.QWidget()
400 centralWidget.setLayout(self._layout)
402 self._window = QtGui.QMainWindow(parent)
403 if parent is not None:
404 self._window.setWindowModality(QtCore.Qt.WindowModal)
405 self._window.setWindowTitle("%s - Recent" % constants.__pretty_app_name__)
406 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
407 self._window.setCentralWidget(centralWidget)
409 for cat, unit in self._app.get_recent():
410 twi = QtGui.QTreeWidgetItem(self._resultsBox)
414 self._closeWindowAction = QtGui.QAction(None)
415 self._closeWindowAction.setText("Window")
416 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
417 self._closeWindowAction.triggered.connect(self._on_close_window)
419 fileMenu = self._window.menuBar().addMenu("&File")
420 fileMenu.addAction(self._closeWindowAction)
421 fileMenu.addAction(self._app.quitAction)
423 viewMenu = self._window.menuBar().addMenu("&View")
424 viewMenu.addAction(self._app.fullscreenAction)
426 self._window.addAction(self._app.logAction)
433 def setFullscreen(self, isFullscreen):
435 self._window.showFullScreen()
437 self._window.showNormal()
439 @misc_utils.log_exception(_moduleLogger)
440 def _on_close_window(self, checked = True):
443 @misc_utils.log_exception(_moduleLogger)
444 def _on_result_clicked(self, item, columnIndex):
445 categoryName = unicode(item.text(0))
446 unitName = unicode(item.text(1))
447 catWindow = self._app.request_category()
448 unitsWindow = catWindow.selectCategory(categoryName)
449 unitsWindow.select_unit(unitName)
453 class UnitData(object):
455 HEADERS = ["Name", "Value", "", "Unit"]
456 ALIGNMENT = [QtCore.Qt.AlignLeft, QtCore.Qt.AlignRight, QtCore.Qt.AlignLeft, QtCore.Qt.AlignLeft]
458 def __init__(self, name, unit, description, conversion):
461 self._description = description
462 self._conversion = conversion
465 self._integerDisplay, self._fractionalDisplay = split_number(self._value)
475 def update_value(self, newValue):
476 self._value = newValue
477 self._integerDisplay, self._fractionalDisplay = split_number(newValue)
484 def conversion(self):
485 return self._conversion
487 def data(self, column):
489 return [self._name, self._integerDisplay, self._fractionalDisplay, self._unit][column]
494 class UnitModel(QtCore.QAbstractItemModel):
496 def __init__(self, categoryName, parent=None):
497 super(UnitModel, self).__init__(parent)
498 self._categoryName = categoryName
499 self._unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
502 for key in unit_data.get_units(self._categoryName):
503 conversion, unit, description = self._unitData[key]
504 self._children.append(UnitData(key, unit, description, conversion))
505 self._sortSettings = None
507 @misc_utils.log_exception(_moduleLogger)
508 def columnCount(self, parent):
512 return len(UnitData.HEADERS)
514 @misc_utils.log_exception(_moduleLogger)
515 def data(self, index, role):
516 if not index.isValid():
518 elif role == QtCore.Qt.TextAlignmentRole:
519 return UnitData.ALIGNMENT[index.column()]
520 elif role != QtCore.Qt.DisplayRole:
523 item = index.internalPointer()
524 if isinstance(item, UnitData):
525 return item.data(index.column())
526 elif item is UnitData.HEADERS:
527 return item[index.column()]
529 @misc_utils.log_exception(_moduleLogger)
530 def sort(self, column, order = QtCore.Qt.AscendingOrder):
531 self._sortSettings = column, order
532 isReverse = order == QtCore.Qt.AscendingOrder
534 key_func = lambda item: item.name
535 elif column in [1, 2]:
536 key_func = lambda item: item.value
538 key_func = lambda item: item.unit
539 self._children.sort(key=key_func, reverse = isReverse)
543 @misc_utils.log_exception(_moduleLogger)
544 def flags(self, index):
545 if not index.isValid():
546 return QtCore.Qt.NoItemFlags
548 return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
550 @misc_utils.log_exception(_moduleLogger)
551 def headerData(self, section, orientation, role):
552 if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole:
553 return UnitData.HEADERS[section]
557 @misc_utils.log_exception(_moduleLogger)
558 def index(self, row, column, parent):
559 if not self.hasIndex(row, column, parent):
560 return QtCore.QModelIndex()
563 return QtCore.QModelIndex()
565 parentItem = UnitData.HEADERS
566 childItem = self._children[row]
568 return self.createIndex(row, column, childItem)
570 return QtCore.QModelIndex()
572 @misc_utils.log_exception(_moduleLogger)
573 def parent(self, index):
574 if not index.isValid():
575 return QtCore.QModelIndex()
577 childItem = index.internalPointer()
578 if isinstance(childItem, UnitData):
579 return QtCore.QModelIndex()
580 elif childItem is UnitData.HEADERS:
583 @misc_utils.log_exception(_moduleLogger)
584 def rowCount(self, parent):
585 if 0 < parent.column():
588 if not parent.isValid():
589 return len(self._children)
591 return len(self._children)
593 def get_unit(self, index):
594 return self._children[index]
596 def index_unit(self, unitName):
597 for i, child in enumerate(self._children):
598 if child.name == unitName:
601 raise RuntimeError("Unit not found")
603 def update_values(self, fromIndex, userInput):
604 value = self._sanitize_value(userInput)
605 func, arg = self._children[fromIndex].conversion
606 base = func.to_base(value, arg)
607 for i, child in enumerate(self._children):
610 func, arg = child.conversion
611 newValue = func.from_base(base, arg)
612 child.update_value(newValue)
614 if self._sortSettings is not None:
615 self.sort(*self._sortSettings)
618 def _all_changed(self):
619 topLeft = self.createIndex(0, 0, self._children[0])
620 bottomRight = self.createIndex(len(self._children)-1, len(UnitData.HEADERS)-1, self._children[-1])
621 self.dataChanged.emit(topLeft, bottomRight)
623 def _sanitize_value(self, userEntry):
624 if self._categoryName == "Computer Numbers":
633 value = float(userEntry)
637 class UnitWindow(object):
639 def __init__(self, parent, category, app):
641 self._categoryName = category
642 self._selectedIndex = 0
644 self._selectedUnitName = QtGui.QLabel()
645 self._selectedUnitValue = QtGui.QLineEdit()
646 self._selectedUnitValue.textEdited.connect(self._on_value_edited)
647 self._selectedUnitSymbol = QtGui.QLabel()
649 self._selectedUnitLayout = QtGui.QHBoxLayout()
650 self._selectedUnitLayout.addWidget(self._selectedUnitName)
651 self._selectedUnitLayout.addWidget(self._selectedUnitValue)
652 self._selectedUnitLayout.addWidget(self._selectedUnitSymbol)
654 self._unitsModel = UnitModel(self._categoryName)
655 self._unitsView = QtGui.QTreeView()
656 self._unitsView.setModel(self._unitsModel)
657 self._unitsView.clicked.connect(self._on_unit_clicked)
658 self._unitsView.setUniformRowHeights(True)
659 self._unitsView.header().setSortIndicatorShown(True)
660 self._unitsView.header().setClickable(True)
661 self._unitsView.setSortingEnabled(True)
662 self._unitsView.setAlternatingRowColors(True)
664 self._unitsView.setHeaderHidden(True)
666 self._layout = QtGui.QVBoxLayout()
667 self._layout.addLayout(self._selectedUnitLayout)
668 self._layout.addWidget(self._unitsView)
670 centralWidget = QtGui.QWidget()
671 centralWidget.setLayout(self._layout)
673 self._window = QtGui.QMainWindow(parent)
674 if parent is not None:
675 self._window.setWindowModality(QtCore.Qt.WindowModal)
676 self._window.setWindowTitle("%s - %s" % (constants.__pretty_app_name__, category))
677 self._window.setWindowIcon(QtGui.QIcon(app.appIconPath))
678 self._window.setCentralWidget(centralWidget)
680 defaultUnitName = self._app.get_recent_unit(self._categoryName)
682 self.select_unit(defaultUnitName)
685 self._unitsModel.sort(1)
687 self._sortActionGroup = QtGui.QActionGroup(None)
688 self._sortByNameAction = QtGui.QAction(self._sortActionGroup)
689 self._sortByNameAction.setText("Sort By Name")
690 self._sortByNameAction.setStatusTip("Sort the units by name")
691 self._sortByNameAction.setToolTip("Sort the units by name")
692 self._sortByValueAction = QtGui.QAction(self._sortActionGroup)
693 self._sortByValueAction.setText("Sort By Value")
694 self._sortByValueAction.setStatusTip("Sort the units by value")
695 self._sortByValueAction.setToolTip("Sort the units by value")
696 self._sortByUnitAction = QtGui.QAction(self._sortActionGroup)
697 self._sortByUnitAction.setText("Sort By Unit")
698 self._sortByUnitAction.setStatusTip("Sort the units by unit")
699 self._sortByUnitAction.setToolTip("Sort the units by unit")
701 self._sortByValueAction.setChecked(True)
703 self._closeWindowAction = QtGui.QAction(None)
704 self._closeWindowAction.setText("Close Window")
705 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
706 self._closeWindowAction.triggered.connect(self._on_close_window)
708 fileMenu = self._window.menuBar().addMenu("&File")
709 fileMenu.addAction(self._closeWindowAction)
710 fileMenu.addAction(self._app.quitAction)
712 viewMenu = self._window.menuBar().addMenu("&View")
713 viewMenu.addAction(self._app.fullscreenAction)
714 viewMenu.addSeparator()
715 viewMenu.addAction(self._app.jumpAction)
716 viewMenu.addAction(self._app.recentAction)
717 viewMenu.addSeparator()
718 viewMenu.addAction(self._sortByNameAction)
719 viewMenu.addAction(self._sortByValueAction)
720 viewMenu.addAction(self._sortByUnitAction)
722 self._sortByNameAction.triggered.connect(self._on_sort_by_name)
723 self._sortByValueAction.triggered.connect(self._on_sort_by_value)
724 self._sortByUnitAction.triggered.connect(self._on_sort_by_unit)
726 self._window.addAction(self._app.logAction)
733 def setFullscreen(self, isFullscreen):
735 self._window.showFullScreen()
737 self._window.showNormal()
739 def select_unit(self, unitName):
740 index = self._unitsModel.index_unit(unitName)
741 self._select_unit(index)
743 @misc_utils.log_exception(_moduleLogger)
744 def _on_close_window(self, checked = True):
747 @misc_utils.log_exception(_moduleLogger)
748 def _on_sort_by_name(self, checked = False):
749 self._unitsModel.sort(0, QtCore.Qt.DescendingOrder)
751 @misc_utils.log_exception(_moduleLogger)
752 def _on_sort_by_value(self, checked = False):
753 self._unitsModel.sort(1)
755 @misc_utils.log_exception(_moduleLogger)
756 def _on_sort_by_unit(self, checked = False):
757 self._unitsModel.sort(3, QtCore.Qt.DescendingOrder)
759 @misc_utils.log_exception(_moduleLogger)
760 def _on_unit_clicked(self, index):
761 self._select_unit(index.row())
763 @misc_utils.log_exception(_moduleLogger)
764 def _on_value_edited(self, *args):
765 userInput = self._selectedUnitValue.text()
766 self._unitsModel.update_values(self._selectedIndex, str(userInput))
768 def _select_unit(self, index):
769 unit = self._unitsModel.get_unit(index)
770 self._selectedUnitName.setText(unit.name)
771 self._selectedUnitValue.setText(str(unit.value))
772 self._selectedUnitSymbol.setText(unit.unit)
774 self._selectedIndex = index
775 qindex = self._unitsModel.createIndex(index, 0, self._unitsModel.get_unit(index))
776 self._unitsView.scrollTo(qindex)
777 self._app.add_recent(self._categoryName, self._unitsModel.get_unit(index).name)
781 app = QtGui.QApplication([])
786 if __name__ == "__main__":
787 logging.basicConfig(level = logging.DEBUG)
789 os.makedirs(constants._data_path_)