1 /*
2 * Copyright (C) 2017 Damir Porobic <https://github.com/damirporobic>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include "GnomeWaylandImageGrabber.h"
21
GnomeWaylandImageGrabber()22 GnomeWaylandImageGrabber::GnomeWaylandImageGrabber() : AbstractRectAreaImageGrabber(new WaylandSnippingArea)
23 {
24 addSupportedCaptureMode(CaptureModes::RectArea);
25 addSupportedCaptureMode(CaptureModes::LastRectArea);
26 addSupportedCaptureMode(CaptureModes::ActiveWindow);
27 addSupportedCaptureMode(CaptureModes::FullScreen);
28 addSupportedCaptureMode(CaptureModes::CurrentScreen);
29 }
30
activeWindowRect() const31 QRect GnomeWaylandImageGrabber::activeWindowRect() const
32 {
33 // Gnome Wayland captures active window directly
34 return {};
35 }
36
getCursorWithPosition() const37 CursorDto GnomeWaylandImageGrabber::getCursorWithPosition() const
38 {
39 // Gnome Wayland merges the cursor already
40 return {};
41 }
42
grab()43 void GnomeWaylandImageGrabber::grab()
44 {
45 QDBusInterface interface(QLatin1String("org.gnome.Shell.Screenshot"), QLatin1String("/org/gnome/Shell/Screenshot"), QLatin1String("org.gnome.Shell.Screenshot"));
46 QDBusPendingReply<bool, QString> reply;
47 if (captureMode() == CaptureModes::ActiveWindow) {
48 reply = interface.asyncCall(QLatin1String("ScreenshotWindow"), true, isCaptureCursorEnabled(), false, tmpScreenshotFilename());
49 } else {
50 reply = interface.asyncCall(QLatin1String("Screenshot"), isCaptureCursorEnabled(), false, tmpScreenshotFilename());
51 }
52
53 reply.waitForFinished();
54
55 if (reply.isError()) {
56 qCritical("Invalid reply from DBus: %s", qPrintable(reply.error().message()));
57 emit canceled();
58 } else {
59 auto pathToTmpScreenshot = reply.argumentAt<1>();
60 postProcessing(QPixmap(pathToTmpScreenshot));
61 }
62 }
63
postProcessing(const QPixmap & pixmap)64 void GnomeWaylandImageGrabber::postProcessing(const QPixmap& pixmap)
65 {
66 if (captureMode() == CaptureModes::ActiveWindow) {
67 emit finished(CaptureDto(pixmap));
68 } else {
69 setCaptureRectFromCorrectSource();
70 emit finished(CaptureDto(pixmap.copy(mCaptureRect)));
71 }
72 }
73
tmpScreenshotFilename() const74 QString GnomeWaylandImageGrabber::tmpScreenshotFilename() const
75 {
76 auto path = QLatin1String("/tmp/");
77 auto filename = QLatin1String("ksnip-") + QString::number(MathHelper::randomInt());
78 auto extension = QLatin1String(".png");
79 return path + filename + extension;
80 }
81
fullScreenRect() const82 QRect GnomeWaylandImageGrabber::fullScreenRect() const
83 {
84 // Copy with empty rect will return full screen
85 return {};
86 }
87