Fixing some column sizes and some optimizations

diff --git a/src/gonvert_qt.py b/src/gonvert_qt.py
index 3489612..44677cf 100755 (executable)
--- a/src/gonvert_qt.py
+++ b/src/gonvert_qt.py
@@ -55,6 +55,9 @@ def split_number(number):
 
 class Gonvert(object):
 
+       # @todo get subwindows working
+       # @todo rotation support
+
        _DATA_PATHS = [
                os.path.dirname(__file__),
                os.path.join(os.path.dirname(__file__), "../data"),
@@ -926,13 +929,23 @@ class UnitModel(QtCore.QAbstractItemModel):
                        newValue = func.from_base(base, arg)
                        child.update_value(newValue)
 
-               if self._sortSettings is not None:
+               if (
+                       self._sortSettings is not None and
+                       self._sortSettings[0]  in [UnitData.VALUE_COLUMN_0, UnitData.VALUE_COLUMN_1]
+               ):
                        self.sort(*self._sortSettings)
-               self._all_changed()
+                       self._all_changed()
+               else:
+                       self._values_changed()
 
        def __len__(self):
                return len(self._children)
 
+       def _values_changed(self):
+               topLeft = self.createIndex(0, UnitData.VALUE_COLUMN_0, self._children[0])
+               bottomRight = self.createIndex(len(self._children)-1, UnitData.VALUE_COLUMN_1, self._children[-1])
+               self.dataChanged.emit(topLeft, bottomRight)
+
        def _all_changed(self):
                topLeft = self.createIndex(0, 0, self._children[0])
                bottomRight = self.createIndex(len(self._children)-1, len(UnitData.HEADERS)-1, self._children[-1])
@@ -975,14 +988,32 @@ class UnitWindow(object):
                self._unitsView.setModel(self._unitsModel)
                self._unitsView.clicked.connect(self._on_unit_clicked)
                self._unitsView.setUniformRowHeights(True)
-               self._unitsView.header().setSortIndicatorShown(True)
-               self._unitsView.header().setClickable(True)
                self._unitsView.setSortingEnabled(True)
+               self._unitsView.setTextElideMode(QtCore.Qt.ElideNone)
+               self._unitsView.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
                if not IS_MAEMO:
                        self._unitsView.setAlternatingRowColors(True)
                if True:
                        self._unitsView.setHeaderHidden(True)
 
+               viewHeader = self._unitsView.header()
+               viewHeader.setSortIndicatorShown(True)
+               viewHeader.setClickable(True)
+
+               viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.ResizeToContents)
+               viewHeader.setResizeMode(UnitData.VALUE_COLUMN_0, QtGui.QHeaderView.ResizeToContents)
+               viewHeader.setResizeMode(UnitData.VALUE_COLUMN_1, QtGui.QHeaderView.ResizeToContents)
+               viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.ResizeToContents)
+               viewHeader.setStretchLastSection(False)
+
+               # Trying to make things faster by locking in the initial size of the immutable columns
+               nameSize = viewHeader.sectionSize(UnitData.NAME_COLUMN)
+               viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.Fixed)
+               viewHeader.resizeSection(UnitData.NAME_COLUMN, nameSize)
+               unitSize = viewHeader.sectionSize(UnitData.UNIT_COLUMN)
+               viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.Fixed)
+               viewHeader.resizeSection(UnitData.UNIT_COLUMN, unitSize)
+
                self._layout = QtGui.QVBoxLayout()
                self._layout.addLayout(self._selectedUnitLayout)
                self._layout.addWidget(self._unitsView)
@@ -1003,7 +1034,7 @@ class UnitWindow(object):
                        self.select_unit(defaultUnitName)
                else:
                        self._select_unit(0)
-               self._unitsModel.sort(UnitData.VALUE_COLUMN_0)
+               self._unitsModel.sort(UnitData.NAME_COLUMN)
 
                self._sortActionGroup = QtGui.QActionGroup(None)
                self._sortByNameAction = QtGui.QAction(self._sortActionGroup)
@@ -1117,7 +1148,7 @@ class UnitWindow(object):
                if self._favoritesWindow is not None:
                        yield self._favoritesWindow
 
-       def _update_favorites(self):
+       def _update_favorites(self, force = False):
                if self._app.showFavoritesAction.isChecked():
                        unitNames = list(self._unitsModel.get_unit_names())
                        for i, unitName in enumerate(unitNames):
@@ -1126,8 +1157,9 @@ class UnitWindow(object):
                                else:
                                        self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False)
                else:
-                       for i in xrange(len(self._unitsModel)):
-                               self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False)
+                       if force:
+                               for i in xrange(len(self._unitsModel)):
+                                       self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False)
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_choose_favorites(self, obj = None):
@@ -1155,7 +1187,7 @@ class UnitWindow(object):
        @misc_utils.log_exception(_moduleLogger)
        def _on_close_favorites(self, obj = None):
                self._favoritesWindow = None
-               self._update_favorites()
+               self._update_favorites(force=True)
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_previous_unit(self, checked = True):