aboutsummaryrefslogtreecommitdiffstats
path: root/src/imports/winextras/qquickdwmfeatures.cpp
blob: 5d1f5655bfafb401b1f0d16e5dafc805c496010f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
/****************************************************************************
 **
 ** Copyright (C) 2016 Ivan Vizir <define-true-false@yandex.com>
 ** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the QtWinExtras module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and The Qt Company. For licensing terms
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
 ** General Public License version 3 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
 ** packaging of this file. Please review the following information to
 ** ensure the GNU Lesser General Public License version 3 requirements
 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License version 2.0 or (at your option) the GNU General
 ** Public license version 3 or any later version approved by the KDE Free
 ** Qt Foundation. The licenses are as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
 ** included in the packaging of this file. Please review the following
 ** information to ensure the GNU General Public License requirements will
 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
 ** https://www.gnu.org/licenses/gpl-3.0.html.
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

#include "qquickdwmfeatures_p.h"
#include "qquickdwmfeatures_p_p.h"

#include <QtWinExtras/private/qwineventfilter_p.h>
#include <QWinEvent>
#include <QQuickWindow>

QT_BEGIN_NAMESPACE

/*!
    \qmltype DwmFeatures
    \instantiates QQuickDwmFeatures
    \inqmlmodule QtWinExtras

    \brief Enables you to manage the Windows DWM features.

    \since QtWinExtras 1.0

    The DwmFeatures type enables you to extend a glass frame into the client
    area, as well as to control the behavior of Aero Peek and Flip3D.
 */

/*!
    \class QQuickDwmFeatures
    \internal
 */

QQuickDwmFeatures::QQuickDwmFeatures(QQuickItem *parent) :
    QQuickItem(parent), d_ptr(new QQuickDwmFeaturesPrivate(this))
{
    QWinEventFilter::setup();
}

QQuickDwmFeatures::~QQuickDwmFeatures()
{
}

void QQuickDwmFeatures::setCompositionEnabled(bool enabled)
{
    QtWin::setCompositionEnabled(enabled);
}

bool QQuickDwmFeatures::isCompositionEnabled() const
{
    return QtWin::isCompositionEnabled();
}

QColor QQuickDwmFeatures::colorizationColor() const
{
    return QtWin::colorizationColor();
}

QColor QQuickDwmFeatures::realColorizationColor() const
{
    return QtWin::realColorizationColor();
}

bool QQuickDwmFeatures::colorizationOpaqueBlend() const
{
    bool opaque;
    QtWin::colorizationColor(&opaque);
    return opaque;
}

/*!
    \qmlproperty int DwmFeatures::topGlassMargin

    The top glass frame margin. The default value is 0.
 */
void QQuickDwmFeatures::setTopGlassMargin(int margin)
{
    Q_D(QQuickDwmFeatures);
    if (d->topMargin == margin)
        return;

    d->topMargin = margin;
    if (window())
        QtWin::extendFrameIntoClientArea(window(), d->leftMargin, d->topMargin, d->rightMargin, d->bottomMargin);
    emit topGlassMarginChanged();
}

/*!
    \qmlproperty int DwmFeatures::rightGlassMargin

    The right glass frame margin. The default value is 0.
 */
void QQuickDwmFeatures::setRightGlassMargin(int margin)
{
    Q_D(QQuickDwmFeatures);
    if (d->rightMargin == margin)
        return;

    d->rightMargin = margin;
    if (window())
        QtWin::extendFrameIntoClientArea(window(), d->leftMargin, d->topMargin, d->rightMargin, d->bottomMargin);
    emit rightGlassMarginChanged();
}

/*!
    \qmlproperty int DwmFeatures::bottomGlassMargin

    The bottom glass frame margin. The default value is 0.
 */
void QQuickDwmFeatures::setBottomGlassMargin(int margin)
{
    Q_D(QQuickDwmFeatures);
    if (d->bottomMargin == margin)
        return;

    d->bottomMargin = margin;
    if (window())
        QtWin::extendFrameIntoClientArea(window(), d->leftMargin, d->topMargin, d->rightMargin, d->bottomMargin);
    emit bottomGlassMarginChanged();
}

/*!
    \qmlproperty int DwmFeatures::leftGlassMargin

    The left glass frame margin. The default value is 0.
 */
void QQuickDwmFeatures::setLeftGlassMargin(int margin)
{
    Q_D(QQuickDwmFeatures);
    if (d->leftMargin == margin)
        return;

    d->leftMargin = margin;
    if (window())
        QtWin::extendFrameIntoClientArea(window(), d->leftMargin, d->topMargin, d->rightMargin, d->bottomMargin);
    emit leftGlassMarginChanged();
}

int QQuickDwmFeatures::topGlassMargin() const
{
    Q_D(const QQuickDwmFeatures);
    return d->topMargin;
}

int QQuickDwmFeatures::rightGlassMargin() const
{
    Q_D(const QQuickDwmFeatures);
    return d->rightMargin;
}

int QQuickDwmFeatures::bottomGlassMargin() const
{
    Q_D(const QQuickDwmFeatures);
    return d->bottomMargin;
}

int QQuickDwmFeatures::leftGlassMargin() const
{
    Q_D(const QQuickDwmFeatures);
    return d->leftMargin;
}

/*!
    \qmlproperty bool DwmFeatures::blurBehindEnabled

    Specifies whether the blur behind the window client area is enabled.
 */
bool QQuickDwmFeatures::isBlurBehindEnabled() const
{
    Q_D(const QQuickDwmFeatures);
    return d->blurBehindEnabled;
}

void QQuickDwmFeatures::setBlurBehindEnabled(bool enabled)
{
    Q_D(QQuickDwmFeatures);
    if (d->blurBehindEnabled == enabled)
        return;

    d->blurBehindEnabled = enabled;
    if (window()) {
        if (d->blurBehindEnabled)
            QtWin::enableBlurBehindWindow(window());
        else
            QtWin::disableBlurBehindWindow(window());
    }
    emit blurBehindEnabledChanged();
}

/*!
    \qmlproperty bool DwmFeatures::excludedFromPeek

    Specifies whether the window is excluded from Aero Peek.
    The default value is false.
 */
bool QQuickDwmFeatures::isExcludedFromPeek() const
{
    Q_D(const QQuickDwmFeatures);
    if (window())
        return QtWin::isWindowExcludedFromPeek(window());
    else
        return d->peekExcluded;
}

void QQuickDwmFeatures::setExcludedFromPeek(bool exclude)
{
    Q_D(QQuickDwmFeatures);
    if (d->peekExcluded == exclude)
        return;

    d->peekExcluded = exclude;
    if (window())
        QtWin::setWindowExcludedFromPeek(window(), d->peekExcluded);
    emit excludedFromPeekChanged();
}

/*!
    \qmlproperty bool DwmFeatures::peekDisallowed

    Set this value to true if you want to forbid Aero Peek when the user hovers
    the mouse over the window thumbnail. The default value is false.
*/
bool QQuickDwmFeatures::isPeekDisallowed() const
{
    Q_D(const QQuickDwmFeatures);
    if (window())
        return QtWin::isWindowPeekDisallowed(window());
    else
        return d->peekDisallowed;
}

void QQuickDwmFeatures::setPeekDisallowed(bool disallow)
{
    Q_D(QQuickDwmFeatures);
    if (d->peekDisallowed == disallow)
        return;

    d->peekDisallowed = disallow;
    if (window())
        QtWin::setWindowDisallowPeek(window(), d->peekDisallowed);
    emit peekDisallowedChanged();
}

/*!
    \qmlproperty QtWin::WindowFlip3DPolicy DwmFeatures::flip3DPolicy

    The current Flip3D policy for the window.
 */
QQuickWin::WindowFlip3DPolicy QQuickDwmFeatures::flip3DPolicy() const
{
    Q_D(const QQuickDwmFeatures);
    if (window())
        return static_cast<QQuickWin::WindowFlip3DPolicy>(QtWin::windowFlip3DPolicy(window()));
    else
        return d->flipPolicy;
}

void QQuickDwmFeatures::setFlip3DPolicy(QQuickWin::WindowFlip3DPolicy policy)
{
    Q_D(QQuickDwmFeatures);
    if (d->flipPolicy == policy)
        return;

    d->flipPolicy = policy;
    if (window())
        QtWin::setWindowFlip3DPolicy(window(), static_cast<QtWin::WindowFlip3DPolicy>(d->flipPolicy));
    emit flip3DPolicyChanged();
}

bool QQuickDwmFeatures::eventFilter(QObject *object, QEvent *event)
{
    Q_D(QQuickDwmFeatures);
    if (object == window()) {
        if (event->type() == QWinEvent::CompositionChange) {
            d->updateSurfaceFormat();
            if (static_cast<QWinCompositionChangeEvent *>(event)->isCompositionEnabled())
                d->updateAll();
            emit compositionEnabledChanged();
        } else if (event->type() == QWinEvent::ColorizationChange) {
            emit colorizationColorChanged();
            emit realColorizationColorChanged();
            emit colorizationOpaqueBlendChanged();
        }
    }
    return QQuickItem::eventFilter(object, event);
}

QQuickDwmFeatures *QQuickDwmFeatures::qmlAttachedProperties(QObject *parentObject)
{
    QQuickDwmFeatures *featuresObj = new QQuickDwmFeatures();
    QQuickItem *parentItem = qobject_cast<QQuickItem *>(parentObject);
    if (parentItem)
        featuresObj->setParentItem(parentItem);
    else
        featuresObj->setParent(parentObject);
    return featuresObj;
}

void QQuickDwmFeatures::itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &data)
{
    Q_D(QQuickDwmFeatures);
    if (change == ItemSceneChange && data.window) {
        d->updateAll();
        data.window->installEventFilter(this);
        d->originalSurfaceColor = data.window->color();
    }
    QQuickItem::itemChange(change, data);
}



QQuickDwmFeaturesPrivate::QQuickDwmFeaturesPrivate(QQuickDwmFeatures *parent) :
    topMargin(0), rightMargin(0), bottomMargin(0), leftMargin(0),
    blurBehindEnabled(false),
    peekDisallowed(false), peekExcluded(false), flipPolicy(QQuickWin::FlipDefault),
    q_ptr(parent)
{
}

void QQuickDwmFeaturesPrivate::updateAll()
{
    Q_Q(QQuickDwmFeatures);
    QWindow *w = q->window();
    if (w) {
        updateSurfaceFormat();
        QtWin::setWindowExcludedFromPeek(w, peekExcluded);
        QtWin::setWindowDisallowPeek(w, peekDisallowed);
        QtWin::setWindowFlip3DPolicy(w, static_cast<QtWin::WindowFlip3DPolicy>(flipPolicy));
        if (blurBehindEnabled)
            QtWin::enableBlurBehindWindow(w);
        else
            QtWin::disableBlurBehindWindow(w);
        QtWin::extendFrameIntoClientArea(w, leftMargin, topMargin, rightMargin, bottomMargin);
    }
}

void QQuickDwmFeaturesPrivate::updateSurfaceFormat()
{
    Q_Q(QQuickDwmFeatures);
    if (q->window()) {
        const bool compositionEnabled = q->isCompositionEnabled();
        QSurfaceFormat format = q->window()->format();
        format.setAlphaBufferSize(compositionEnabled ? 8 : 0);
        q->window()->setFormat(format);
        q->window()->setColor(compositionEnabled ? QColor(Qt::transparent) : originalSurfaceColor);
    }
}

QT_END_NAMESPACE