1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qwaylandpointergestures_p.h"
5#include "qwaylanddisplay_p.h"
6#include "qwaylandinputdevice_p.h"
7
8QT_BEGIN_NAMESPACE
9
10namespace QtWaylandClient {
11
12QWaylandPointerGestures::QWaylandPointerGestures(QWaylandDisplay *display, uint id, uint version)
13 : zwp_pointer_gestures_v1(display->wl_registry(), id, qMin(version, uint(1)))
14{
15}
16
17QWaylandPointerGestures::~QWaylandPointerGestures() noexcept
18{
19 if (version() >= ZWP_POINTER_GESTURES_V1_RELEASE_SINCE_VERSION)
20 release();
21 else
22 zwp_pointer_gestures_v1_destroy(object());
23}
24
25QWaylandPointerGestureSwipe *
26 QWaylandPointerGestures::createPointerGestureSwipe(QWaylandInputDevice *device)
27{
28 return new QWaylandPointerGestureSwipe(device);
29}
30
31QWaylandPointerGesturePinch *
32 QWaylandPointerGestures::createPointerGesturePinch(QWaylandInputDevice *device)
33{
34 return new QWaylandPointerGesturePinch(device);
35}
36
37QWaylandPointerGestureSwipe::QWaylandPointerGestureSwipe(QWaylandInputDevice *p)
38 : mParent(p)
39{
40}
41
42QWaylandPointerGestureSwipe::~QWaylandPointerGestureSwipe()
43{
44 destroy();
45}
46
47void QWaylandPointerGestureSwipe::zwp_pointer_gesture_swipe_v1_begin(uint32_t serial, uint32_t time,
48 struct ::wl_surface *surface,
49 uint32_t fingers)
50{
51#ifndef QT_NO_GESTURES
52 mFocus = QWaylandWindow::fromWlSurface(surface);
53 if (!mFocus) {
54 return;
55 }
56 mParent->mSerial = serial;
57 mFingers = fingers;
58
59 const auto* pointer = mParent->pointer();
60
61 qCDebug(lcQpaWaylandInput) << "zwp_pointer_gesture_swipe_v1_begin @ "
62 << pointer->mSurfacePos << "fingers" << fingers;
63
64 auto e = QWaylandPointerGestureSwipeEvent(mFocus, Qt::GestureStarted, time,
65 pointer->mSurfacePos, pointer->mGlobalPos, mFingers,
66 QPointF());
67
68 mFocus->handleSwipeGesture(inputDevice: mParent, e);
69#endif
70}
71
72void QWaylandPointerGestureSwipe::zwp_pointer_gesture_swipe_v1_update(uint32_t time,
73 wl_fixed_t dx, wl_fixed_t dy)
74{
75#ifndef QT_NO_GESTURES
76 if (!mFocus) {
77 return;
78 }
79 const auto* pointer = mParent->pointer();
80
81 const QPointF delta = QPointF(wl_fixed_to_double(dx), wl_fixed_to_double(dy));
82 qCDebug(lcQpaWaylandInput) << "zwp_pointer_gesture_swipe_v1_update @ "
83 << pointer->mSurfacePos << "delta" << delta;
84
85 auto e = QWaylandPointerGestureSwipeEvent(mFocus, Qt::GestureUpdated, time,
86 pointer->mSurfacePos, pointer->mGlobalPos, mFingers, delta);
87
88 mFocus->handleSwipeGesture(inputDevice: mParent, e: e);
89#endif
90}
91
92void QWaylandPointerGestureSwipe::zwp_pointer_gesture_swipe_v1_end(uint32_t serial, uint32_t time,
93 int32_t cancelled)
94{
95#ifndef QT_NO_GESTURES
96 if (!mFocus) {
97 return;
98 }
99 mParent->mSerial = serial;
100 const auto* pointer = mParent->pointer();
101
102 qCDebug(lcQpaWaylandInput) << "zwp_pointer_gesture_swipe_v1_end @ "
103 << pointer->mSurfacePos << (cancelled ? "CANCELED" : "");
104
105 auto gestureType = cancelled ? Qt::GestureFinished : Qt::GestureCanceled;
106
107 auto e = QWaylandPointerGestureSwipeEvent(mFocus, gestureType, time,
108 pointer->mSurfacePos, pointer->mGlobalPos, mFingers,
109 QPointF());
110
111 mFocus->handleSwipeGesture(inputDevice: mParent, e);
112
113 mFocus.clear();
114 mFingers = 0;
115#endif
116}
117
118QWaylandPointerGesturePinch::QWaylandPointerGesturePinch(QWaylandInputDevice *p)
119 : mParent(p)
120{
121}
122
123QWaylandPointerGesturePinch::~QWaylandPointerGesturePinch()
124{
125 destroy();
126}
127
128void QWaylandPointerGesturePinch::zwp_pointer_gesture_pinch_v1_begin(uint32_t serial, uint32_t time,
129 struct ::wl_surface *surface,
130 uint32_t fingers)
131{
132#ifndef QT_NO_GESTURES
133 mFocus = QWaylandWindow::fromWlSurface(surface);
134 if (!mFocus) {
135 return;
136 }
137 mParent->mSerial = serial;
138 mFingers = fingers;
139 mLastScale = 1;
140 const auto* pointer = mParent->pointer();
141
142 qCDebug(lcQpaWaylandInput) << "zwp_pointer_gesture_pinch_v1_begin @ "
143 << pointer->mSurfacePos << "fingers" << fingers;
144
145 auto e = QWaylandPointerGesturePinchEvent(mFocus, Qt::GestureStarted, time,
146 pointer->mSurfacePos, pointer->mGlobalPos, mFingers,
147 QPointF(), 0, 0);
148
149 mFocus->handlePinchGesture(inputDevice: mParent, e);
150#endif
151}
152
153void QWaylandPointerGesturePinch::zwp_pointer_gesture_pinch_v1_update(uint32_t time,
154 wl_fixed_t dx, wl_fixed_t dy,
155 wl_fixed_t scale,
156 wl_fixed_t rotation)
157{
158#ifndef QT_NO_GESTURES
159 if (!mFocus) {
160 return;
161 }
162 const auto* pointer = mParent->pointer();
163
164 const qreal rscale = wl_fixed_to_double(scale);
165 const qreal rot = wl_fixed_to_double(rotation);
166 const QPointF delta = QPointF(wl_fixed_to_double(dx), wl_fixed_to_double(dy));
167 qCDebug(lcQpaWaylandInput) << "zwp_pointer_gesture_pinch_v1_update @ "
168 << pointer->mSurfacePos << "delta" << delta
169 << "scale" << mLastScale << "->" << rscale
170 << "delta" << rscale - mLastScale << "rot" << rot;
171
172 auto e = QWaylandPointerGesturePinchEvent(mFocus, Qt::GestureUpdated, time,
173 pointer->mSurfacePos, pointer->mGlobalPos, mFingers,
174 delta, rscale - mLastScale, rot);
175
176 mFocus->handlePinchGesture(inputDevice: mParent, e: e);
177
178 mLastScale = rscale;
179#endif
180}
181
182void QWaylandPointerGesturePinch::zwp_pointer_gesture_pinch_v1_end(uint32_t serial, uint32_t time,
183 int32_t cancelled)
184{
185#ifndef QT_NO_GESTURES
186 if (!mFocus) {
187 return;
188 }
189 mParent->mSerial = serial;
190 const auto* pointer = mParent->pointer();
191
192 qCDebug(lcQpaWaylandInput) << "zwp_pointer_gesture_swipe_v1_end @ "
193 << pointer->mSurfacePos << (cancelled ? "CANCELED" : "");
194
195 auto gestureType = cancelled ? Qt::GestureFinished : Qt::GestureCanceled;
196
197 auto e = QWaylandPointerGesturePinchEvent(mFocus, gestureType, time,
198 pointer->mSurfacePos, pointer->mGlobalPos, mFingers,
199 QPointF(), 0, 0);
200
201 mFocus->handlePinchGesture(inputDevice: mParent, e);
202
203 mFocus.clear();
204 mFingers = 0;
205 mLastScale = 1;
206#endif
207}
208
209} // namespace QtWaylandClient
210
211QT_END_NAMESPACE
212

source code of qtbase/src/plugins/platforms/wayland/qwaylandpointergestures.cpp