How to use handle_gesture method in ATX

Best Python code snippet using ATX

android_hooks.py

Source:android_hooks.py

...385386    def analyze_tracks(self, event):387        pass388389    def handle_gesture(self, msg, tracks):390        event = GestureEvent(msg, tracks)391        func = self.dispatch_map.get(msg)392        if func is None:393            return394        try:395            func(event)396        except:397            traceback.print_exc()398399## NOT COMPLEMENTED ##400class SimpleGestureRecognizer(GestureRecognizer):401402    N_FINGER = 2403404    def analyze_tracks(self, event):405        # handle one-finger and two-finger gestures only406        # means a third finger will be ignored even if one of the407        # first two fingers leaves the screen.408        i = event.slotid409410        # begin guesture when touch down411        if event.msg == HC.TOUCH_DOWN:412            if len(self.track_slots) == self.N_FINGER and i not in self.track_slots:413                return414            if self.tracks[i] is None:415                self.tracks[i] = []416                self.track_slots.add(i)417            self.tracks[i].append(event)418            return419420        if self.tracks[i] is None:421            return422423        if event.msg == HC.TOUCH_FOLLOW_TIMEOUT:424            self.tracks[i] = []425        elif event.msg == HC.TOUCH_PRESS_TIMEOUT:426            # print ''.join([HCREPR.get(e.msg) for e in self.tracks[i]]), 'long press'427            self.tracks[i] = []428        elif event.msg == HC.TOUCH_MOVESTOP_TIMEOUT:429            # print ''.join([HCREPR.get(e.msg) for e in self.tracks[i]]), 'drag'430            self.tracks[i] = []431            if len(self.track_slots) == 2:432                for s in self.track_slots:433                    print s, ''.join([HCREPR.get(e.msg) for e in self.tracks[s]])434                print435        elif event.msg == HC.TOUCH_UP:436            self.tracks[i].append(event)437            if len(self.track_slots) == 2:438                for s in self.track_slots:439                    print s, ''.join([HCREPR.get(e.msg) for e in self.tracks[s]])440                print441            self.tracks[i] = None442            self.track_slots.discard(i)443        else: # TOUCH_MOVE444            self.tracks[i].append(event)445            return446447            # check for pinch/pan448            if len(self.track_slots) == 2:449                t1, t2 = [self.tracks[s] for s in self.track_slots]450                if len(t1) == 0 or len(t2) == 0 or len(t1) + len(t2) < 6:451                    return452                # make copy and check distance changing453                t1, t2 = t1[:], t2[:]454                dists = []455                while len(dists) < 5:456                    e1, e2 = t1[-1], t2[-1]457                    dx, dy = e1.x-e2.x, e1.y-e2.y458                    dists.append(dx*dx+dy*dy)459                    if e1.time < e2.time:460                        if len(t2) == 1:461                            break462                        else:463                            t2.pop()464                    else:465                        if len(t1) == 1:466                            break467                        else:468                            t1.pop()469                print [dists[j+1]-dists[j] for j in range(len(dists)-1)]470                # just keep latest position471                for s in self.track_slots:472                    self.tracks[s] = self.tracks[s][-1:]473474class RegexpGestureRecognizer(GestureRecognizer):475476    N_FINGER = 1477478    def analyze_tracks(self, event):479        # handle one-finger gestures only480        i = event.slotid481482        # begin guesture when touch down483        if event.msg == HC.TOUCH_DOWN:484            if len(self.track_slots) == self.N_FINGER and i not in self.track_slots:485                return486            if not self.tracks[i]:487                self.tracks[i] = []488                self.track_slots.add(i)489            self.tracks[i].append(event)490            return491492        if self.tracks[i] is None:493            return494495        s = ''.join([HCREPR.get(e.msg) for e in self.tracks[i]])496497        if event.msg == HC.TOUCH_FOLLOW_TIMEOUT:498            if re.match('^DM?U$', s):499                self.handle_gesture(HC.GST_TAP, self.tracks[i][:])500            elif re.match('^(DM?U)+DM?U$', s):501                self.handle_gesture(HC.GST_MULTI_TAP, self.tracks[i][:])502            self.tracks[i] = None503            self.track_slots.discard(i)504        elif event.msg == HC.TOUCH_MOVESTOP_TIMEOUT:505            if re.match('^D?MM+$', s):506                self.handle_gesture(HC.GST_DRAG, self.tracks[i][:])507            self.tracks[i] = []508        elif event.msg == HC.TOUCH_PRESS_TIMEOUT:509            if s == 'D':510                self.handle_gesture(HC.GST_LONG_PRESS, self.tracks[i][:])511            self.tracks[i] = []512        elif event.msg == HC.TOUCH_UP:513            self.tracks[i].append(event) # note: it's not the same with s after add514            if s == '':515                self.handle_gesture(HC.GST_LONG_PRESS_RELEASE, [event])516            elif re.match('^D?MM+$', s):517                self.handle_gesture(HC.GST_SWIPE, self.tracks[i][:])518                self.tracks[i] = []519            elif _MULTI_TAP_NUM == 1 and re.match('^DM?$', s):520                self.handle_gesture(HC.GST_TAP, self.tracks[i][:])521                self.tracks[i] = []522            elif _MULTI_TAP_NUM > 1 and re.match('^(DM?U){%d}DM?$' % (_MULTI_TAP_NUM-1,), s):523                self.handle_gesture(HC.GST_MULTI_TAP, self.tracks[i][:])524                self.tracks[i] = []525        elif event.msg == HC.TOUCH_MOVE:526            if re.match('^(DU)+D$', s):527                if s == 'DUD':528                    self.handle_gesture(HC.GST_TAP, self.tracks[i][:-1])529                else:530                    self.handle_gesture(HC.GST_MULTI_TAP, self.tracks[i][:-1])531                self.tracks[i] = self.tracks[i][-1:]532            self.tracks[i].append(event)533534NOTACTIVE, ACTIVE, STAGE_1, STAGE_2, TRIGGERED = range(5)535536## NOT COMPLEMENTED ##537class StateMachineGestureRecognizer(GestureRecognizer):538539    state_map = {540        HC.GST_TAP: {541            NOTACTIVE: { HC.TOUCH_DOWN : ACTIVE },542            ACTIVE: {543                HC.TOUCH_MOVE: STAGE_1,544                HC.TOUCH_PRESS_TIMEOUT : NOTACTIVE,
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