#@todo Research Fn
#@todo Research optimizations
-#@todo Look into switching favorites from selection to checking?
from __future__ import with_statement
def split_number(number):
+ if number == 0.0:
+ # Optimize the startup case
+ return "0.", "0"
+
try:
fractional, integer = math.modf(number)
except TypeError:
if "e+" in integerDisplay:
integerDisplay = number
fractionalDisplay = ""
- elif "e-" in fractionalDisplay and 0.0 < integer:
- integerDisplay = number
- fractionalDisplay = ""
elif "e-" in fractionalDisplay:
- integerDisplay = ""
- fractionalDisplay = number
+ if 0.0 < integer:
+ integerDisplay = number
+ fractionalDisplay = ""
+ else:
+ integerDisplay = ""
+ fractionalDisplay = number
else:
- integerDisplay = integerDisplay.split(".", 1)[0] + "."
- fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
+ integerDisplay = integerDisplay[0:-2] + "."
+ fractionalDisplay = fractionalDisplay[2:]
return integerDisplay, fractionalDisplay
self._categories = QtGui.QTreeWidget()
self._categories.setHeaderLabels(["Categories"])
self._categories.setHeaderHidden(True)
+ self._categories.setSelectionMode(QtGui.QAbstractItemView.NoSelection)
if not IS_MAEMO:
self._categories.setAlternatingRowColors(True)
- self._categories.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
- self._categories.setSelectionMode(QtGui.QAbstractItemView.MultiSelection)
self._childWidgets = []
for catName in self._source:
twi = QtGui.QTreeWidgetItem(self._categories)
twi.setText(0, catName)
self._childWidgets.append(twi)
- if catName not in self._hidden:
- self._categories.setItemSelected(twi, True)
- self._selection = self._categories.selectionModel()
- self._selection.selectionChanged.connect(self._on_selection_changed)
+ if catName in self._hidden:
+ twi.setCheckState(0, QtCore.Qt.Unchecked)
+ else:
+ twi.setCheckState(0, QtCore.Qt.Checked)
+ self._categories.itemChanged.connect(self._on_item_changed)
self._allButton = QtGui.QPushButton("All")
self._allButton.clicked.connect(self._on_select_all)
@misc_utils.log_exception(_moduleLogger)
def _on_select_all(self, checked = False):
for child in self._childWidgets:
- self._categories.setItemSelected(child, True)
+ child.setCheckState(0, QtCore.Qt.Checked)
@misc_utils.log_exception(_moduleLogger)
def _on_invert_selection(self, checked = False):
for child in self._childWidgets:
- isSelected = self._categories.isItemSelected(child)
- self._categories.setItemSelected(child, not isSelected)
+ state = child.checkState(0)
+ if state == QtCore.Qt.Unchecked:
+ newState = QtCore.Qt.Checked
+ elif state == QtCore.Qt.Checked:
+ newState = QtCore.Qt.Unchecked
+ else:
+ raise RuntimeError("Bad check state %r" % state)
+ child.setCheckState(0, newState)
@misc_utils.log_exception(_moduleLogger)
def _on_select_none(self, checked = False):
for child in self._childWidgets:
- self._categories.setItemSelected(child, False)
+ child.setCheckState(0, QtCore.Qt.Unchecked)
@misc_utils.log_exception(_moduleLogger)
- def _on_selection_changed(self, selected, deselected):
- self._hidden.clear()
- selectedNames = set(
- str(item.text(0))
- for item in self._categories.selectedItems()
- )
- for name in self._source:
- if name not in selectedNames:
- self._hidden.add(name)
+ def _on_item_changed(self, item, column):
+ state = item.checkState(column)
+ if state == QtCore.Qt.Unchecked:
+ name = str(item.text(column))
+ self._hidden.add(name)
+ elif state == QtCore.Qt.Checked:
+ name = str(item.text(column))
+ self._hidden.remove(name)
+ else:
+ raise RuntimeError("Bad check state %r" % state)
@misc_utils.log_exception(_moduleLogger)
def _on_close_window(self, checked = True):
VALUE_COLUMN_1 = 2
UNIT_COLUMN = 3
+ __slots__ = [
+ "_name", "_unit", "_description", "_conversion",
+ "_value", "_integerDisplay", "_fractionalDisplay",
+ ]
+
def __init__(self, name, unit, description, conversion):
self._name = name
self._unit = unit
super(UnitModel, self).__init__(parent)
self._categoryName = categoryName
self._unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
+ if self._categoryName == "Computer Numbers":
+ self._sanitize_value = self._sanitize_alpha_value
+ else:
+ self._sanitize_value = self._sanitize_numeric_value
self._children = []
for key in unit_data.get_units(self._categoryName):
@misc_utils.log_exception(_moduleLogger)
def data(self, index, role):
- if not index.isValid():
- return None
+ #if not index.isValid():
+ # return None
+
+ if role == QtCore.Qt.DisplayRole:
+ item = index.internalPointer()
+ if isinstance(item, UnitData):
+ return item.data(index.column())
+ elif item is UnitData.HEADERS:
+ return item[index.column()]
elif role == QtCore.Qt.TextAlignmentRole:
return UnitData.ALIGNMENT[index.column()]
- elif role != QtCore.Qt.DisplayRole:
+ else:
return None
- item = index.internalPointer()
- if isinstance(item, UnitData):
- return item.data(index.column())
- elif item is UnitData.HEADERS:
- return item[index.column()]
-
@misc_utils.log_exception(_moduleLogger)
def sort(self, column, order = QtCore.Qt.AscendingOrder):
self._sortSettings = column, order
@misc_utils.log_exception(_moduleLogger)
def index(self, row, column, parent):
- if not self.hasIndex(row, column, parent):
- return QtCore.QModelIndex()
-
- if parent.isValid():
- return QtCore.QModelIndex()
+ #if not self.hasIndex(row, column, parent):
+ # return QtCore.QModelIndex()
+ #elif parent.isValid():
+ # return QtCore.QModelIndex()
parentItem = UnitData.HEADERS
childItem = self._children[row]
):
# Sort takes care of marking everything as changed
self.sort(*self._sortSettings)
+ return True
else:
self._values_changed()
+ return False
def __len__(self):
return len(self._children)
bottomRight = self.createIndex(len(self._children)-1, len(UnitData.HEADERS)-1, self._children[-1])
self.dataChanged.emit(topLeft, bottomRight)
- def _sanitize_value(self, userEntry):
- if self._categoryName == "Computer Numbers":
- if userEntry == '':
- value = '0'
- else:
- value = userEntry
+ def _sanitize_alpha_value(self, userEntry):
+ if userEntry:
+ value = userEntry
else:
- if userEntry == '':
- value = 0.0
- else:
- value = float(userEntry)
+ value = '0'
+ return value
+
+ def _sanitize_numeric_value(self, userEntry):
+ if userEntry:
+ value = float(userEntry)
+ else:
+ value = 0.0
return value
self._selectedUnitValue.textEdited.connect(self._on_value_edited)
maeqt.mark_numbers_preferred(self._selectedUnitValue)
self._selectedUnitSymbol = QtGui.QLabel()
+ self._updateDelayTimer = QtCore.QTimer()
+ self._updateDelayTimer.setInterval(100)
+ self._updateDelayTimer.setSingleShot(True)
+ self._updateDelayTimer.timeout.connect(self._on_value_edited_delayed)
self._selectedUnitLayout = QtGui.QHBoxLayout()
self._selectedUnitLayout.addWidget(self._selectedUnitName)
self._unitsModel = UnitModel(self._categoryName)
self._unitsView = QtGui.QTreeView()
self._unitsView.setModel(self._unitsModel)
- self._unitsView.clicked.connect(self._on_unit_clicked)
self._unitsView.setUniformRowHeights(True)
self._unitsView.setSortingEnabled(True)
self._unitsView.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self._unitsView.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
self._unitsView.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
+ self._unitsView.setHeaderHidden(True)
+ self._unitsView.clicked.connect(self._on_unit_clicked)
if not IS_MAEMO:
self._unitsView.setAlternatingRowColors(True)
- self._unitsView.setHeaderHidden(True)
viewHeader = self._unitsView.header()
viewHeader.setSortIndicatorShown(True)
@misc_utils.log_exception(_moduleLogger)
def _on_value_edited(self, *args):
- userInput = self._selectedUnitValue.text()
- self._unitsModel.update_values(self._selectedIndex, str(userInput))
- self._update_favorites()
+ if not self._updateDelayTimer.isActive():
+ self._updateDelayTimer.start()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_value_edited_delayed(self, *args):
+ userInput = str(self._selectedUnitValue.text())
+ orderChanged = self._unitsModel.update_values(self._selectedIndex, userInput)
+ if orderChanged:
+ self._update_favorites()
def _select_unit(self, index):
unit = self._unitsModel.get_unit(index)
def run_gonvert():
app = QtGui.QApplication([])
handle = Gonvert(app)
- return app.exec_()
+ if constants.PROFILE_STARTUP:
+ return 0
+ else:
+ return app.exec_()
if __name__ == "__main__":
projects / gonvert / blobdiff