Python wx.WXK_BACK Examples

def OnKeyPressed(self, event=None):
        if event.GetKeyCode() == wx.WXK_RIGHT:
            self.nextImage(event=None)
        elif event.GetKeyCode() == wx.WXK_LEFT:
            self.prevImage(event=None)
        elif event.GetKeyCode() == wx.WXK_BACK:
            pos_abs = event.GetPosition()
            inv = self.axes.transData.inverted()
            pos_rel = list(inv.transform(pos_abs))
            pos_rel[1] = (
                self.axes.get_ylim()[0] - pos_rel[1]
            )  # Recall y-axis is inverted
            i = np.nanargmin(
                [self.calc_distance(*dp.point.center, *pos_rel) for dp in self.drs]
            )
            closest_dp = self.drs[i]
            msg = wx.MessageBox(
                "Do you want to remove the label %s ?" % closest_dp.bodyParts,
                "Remove!",
                wx.YES_NO | wx.ICON_WARNING,
            )
            if msg == 2:
                closest_dp.delete_data() 

def OnKeyPressed(self, event=None):
        if event.GetKeyCode() == wx.WXK_RIGHT:
            self.nextImage(event=None)
        elif event.GetKeyCode() == wx.WXK_LEFT:
            self.prevImage(event=None)
        elif event.GetKeyCode() == wx.WXK_BACK:
            pos_abs = event.GetPosition()
            inv = self.axes.transData.inverted()
            pos_rel = list(inv.transform(pos_abs))
            pos_rel[1] = (
                self.axes.get_ylim()[0] - pos_rel[1]
            )  # Recall y-axis is inverted
            i = np.nanargmin(
                [self.calc_distance(*dp.point.center, *pos_rel) for dp in self.drs]
            )
            closest_dp = self.drs[i]
            msg = wx.MessageBox(
                f"Do you want to remove the label {closest_dp.individual_name}:{closest_dp.bodyParts}?",
                "Remove!",
                wx.YES_NO | wx.ICON_WARNING,
            )
            if msg == 2:
                closest_dp.delete_data() 

def OnKeyPressed(self, event=None):
        if event.GetKeyCode() == wx.WXK_RIGHT:
            self.nextImage(event=None)
        elif event.GetKeyCode() == wx.WXK_LEFT:
            self.prevImage(event=None)
        elif event.GetKeyCode() == wx.WXK_DOWN:
            self.nextLabel(event=None)
        elif event.GetKeyCode() == wx.WXK_UP:
            self.previousLabel(event=None)
        elif event.GetKeyCode() == wx.WXK_BACK:
            pos_abs = event.GetPosition()
            inv = self.axes.transData.inverted()
            pos_rel = list(inv.transform(pos_abs))
            pos_rel[1] = (
                self.axes.get_ylim()[0] - pos_rel[1]
            )  # Recall y-axis is inverted
            i = np.nanargmin(
                [self.calc_distance(*dp.point.center, *pos_rel) for dp in self.drs]
            )
            closest_dp = self.drs[i]
            msg = wx.MessageBox(
                f"Do you want to remove the label {closest_dp.individual_names}:{closest_dp.bodyParts}?",
                "Remove!",
                wx.YES_NO | wx.ICON_WARNING,
            )
            if msg == 2:
                closest_dp.delete_data()
                self.buttonCounter[closest_dp.individual_names].remove(
                    closest_dp.bodyParts
                ) 

def OnKeyPressed(self, event=None):
        if event.GetKeyCode() == wx.WXK_RIGHT:
            self.nextImage(event=None)
        elif event.GetKeyCode() == wx.WXK_LEFT:
            self.prevImage(event=None)
        elif event.GetKeyCode() == wx.WXK_DOWN:
            self.nextLabel(event=None)
        elif event.GetKeyCode() == wx.WXK_UP:
            self.previousLabel(event=None)
        elif event.GetKeyCode() == wx.WXK_BACK:
            pos_abs = event.GetPosition()
            inv = self.axes.transData.inverted()
            pos_rel = list(inv.transform(pos_abs))
            pos_rel[1] = (
                self.axes.get_ylim()[0] - pos_rel[1]
            )  # Recall y-axis is inverted
            i = np.nanargmin(
                [self.calc_distance(*dp.point.center, *pos_rel) for dp in self.drs]
            )
            closest_dp = self.drs[i]
            msg = wx.MessageBox(
                "Do you want to remove the label %s ?" % closest_dp.bodyParts,
                "Remove!",
                wx.YES_NO | wx.ICON_WARNING,
            )
            if msg == 2:
                closest_dp.delete_data()
                self.buttonCounter.remove(
                    self.bodyparts.index(closest_dp.bodyParts)
                ) 

def OnVariablesFilterKeyDown(self, event):
        if self.VariablesFilterFirstCharacter:
            keycode = event.GetKeyCode()
            if keycode not in [wx.WXK_RETURN,
                               wx.WXK_NUMPAD_ENTER]:
                self.VariablesFilterFirstCharacter = False
                if keycode not in NAVIGATION_KEYS:
                    self.VariablesFilter.SetValue("")
            if keycode not in [wx.WXK_DELETE,
                               wx.WXK_NUMPAD_DELETE,
                               wx.WXK_BACK]:
                event.Skip()
        else:
            event.Skip() 

def OnNodesFilterKeyDown(self, event):
        if self.NodesFilterFirstCharacter:
            keycode = event.GetKeyCode()
            if keycode not in [wx.WXK_RETURN,
                               wx.WXK_NUMPAD_ENTER]:
                self.NodesFilterFirstCharacter = False
                if keycode not in NAVIGATION_KEYS:
                    self.NodesFilter.SetValue("")
            if keycode not in [wx.WXK_DELETE,
                               wx.WXK_NUMPAD_DELETE,
                               wx.WXK_BACK]:
                event.Skip()
        else:
            event.Skip() 

def __init__(self, acceptableChars="0123456789+-"):
        wx.PyValidator.__init__(self)
        self.Bind(wx.EVT_CHAR, self._OnChar)
        self.acceptableChars = acceptableChars
        self.acceptableCodes = [ord(x) for x in self.acceptableChars]
        stdEditKeys = [wx.WXK_RETURN, wx.WXK_NUMPAD_ENTER, wx.WXK_ESCAPE, wx.WXK_CANCEL,
                       wx.WXK_TAB, wx.WXK_BACK, wx.WXK_DELETE, wx.WXK_HOME, wx.WXK_END,
                       wx.WXK_LEFT, wx.WXK_RIGHT]
        self.acceptableCodes.extend(stdEditKeys) 

def cmdSpeedTest(self, cs):
        import undo
        self.speedTestUndo = []

        def testUndoFullCopy():
            u = undo.FullCopy(self.sp)
            u.setAfter(self.sp)
            self.speedTestUndo.append(u)

        def testReformatAll():
            self.sp.reformatAll()

        def testPaginate():
            self.sp.paginate()

        def testUpdateScreen():
            self.updateScreen()
            self.Update()

        def testAddRemoveChar():
            self.OnKeyChar(util.MyKeyEvent(ord("a")))
            self.OnKeyChar(util.MyKeyEvent(wx.WXK_BACK))

        def testDeepcopy():
            copy.deepcopy(self.sp)

        # contains (name, func) tuples
        tests = []

        for name, var in locals().iteritems():
            if callable(var):
                tests.append((name, var))

        tests.sort()
        count = 100

        print "-" * 20

        for name, func in tests:
            t = time.time()

            for i in xrange(count):
                func()

            t = time.time() - t

            print "%.5f seconds per %s" % (t / count, name)

        print "-" * 20

        # it's annoying having the program ask if you want to save after
        # running these tests, so pretend the script hasn't changed
        self.sp.markChanged(False) 

def OnKeyPressed(self, event):
        if self.CallTipActive():
            self.CallTipCancel()
        key = event.GetKeyCode()
        current_pos = self.GetCurrentPos()
        selected = self.GetSelection()
        text_selected = selected[0] != selected[1]

        # Test if caret is before Windows like new line
        text = self.GetText()
        if current_pos < len(text) and ord(text[current_pos]) == 13:
            newline_size = 2
        else:
            newline_size = 1

        # Disable to type any character in section header lines
        if self.GetLineState(self.LineFromPosition(current_pos)) and \
           not text_selected and \
           key not in NAVIGATION_KEYS + [wx.WXK_RETURN, wx.WXK_NUMPAD_ENTER]:
            return

        # Disable to delete line between code and header lines
        elif (self.GetCurLine()[0].strip() != "" and not text_selected and
              (key == wx.WXK_BACK and
               self.GetLineState(self.LineFromPosition(max(0, current_pos - 1))) or
               key in [wx.WXK_DELETE, wx.WXK_NUMPAD_DELETE] and
               self.GetLineState(self.LineFromPosition(min(len(text), current_pos + newline_size))))):
            return

        elif key == 32 and event.ControlDown():
            # Tips
            if event.ShiftDown():
                pass
            # Code completion
            else:
                self.AutoCompSetIgnoreCase(False)  # so this needs to match

                keywords = self.KEYWORDS + [var["Name"]
                                            for var in self.Controler.GetVariables()]
                keywords.sort()
                self.AutoCompShow(0, " ".join(keywords))
        else:
            event.Skip() 

def _HandleTypingEvent(self, evt):
        """
        """
        if self.GetItemCount() == 0 or self.GetColumnCount() == 0:
            return False

        if evt.GetModifiers() != 0 and evt.GetModifiers() != wx.MOD_SHIFT:
            return False

        if evt.GetKeyCode() > wx.WXK_START:
            return False

        if evt.GetKeyCode() in (wx.WXK_BACK, wx.WXK_DELETE):
            self.searchPrefix = u""
            return True

        # On which column are we going to compare values? If we should search on the
        # sorted column, and there is a sorted column and it is searchable, we use that
        # one, otherwise we fallback to the primary column
        if self.typingSearchesSortColumn and self.GetSortColumn() and self.GetSortColumn().isSearchable:
            searchColumn = self.GetSortColumn()
        else:
            searchColumn = self.GetPrimaryColumn()

        # On Linux, GetUnicodeKey() always returns 0 -- on my 2.8.7.1 (gtk2-unicode)
        if evt.GetUnicodeKey() == 0:
            uniChar = chr(evt.GetKeyCode())
        else:
            uniChar = unichr(evt.GetUnicodeKey())
        if uniChar not in string.printable:
            return False

        # On Linux, evt.GetTimestamp() isn't reliable so use time.time() instead
        timeNow = time.time()
        if (timeNow - self.whenLastTypingEvent) > self.SEARCH_KEYSTROKE_DELAY:
            self.searchPrefix = uniChar
        else:
            self.searchPrefix += uniChar
        self.whenLastTypingEvent = timeNow

        #self.__rows = 0
        self._FindByTyping(searchColumn, self.searchPrefix)
        #print "Considered %d rows in %2f secs" % (self.__rows, time.time() - timeNow)

        return True