thedesk/platform/cursorhandler.cpp
2021-04-26 15:20:11 +10:00

72 lines
2.4 KiB
C++

/****************************************
*
* INSERT-PROJECT-NAME-HERE - INSERT-GENERIC-NAME-HERE
* Copyright (C) 2020 Victor Tran
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* *************************************/
#include "cursorhandler.h"
#include <tlogger.h>
#include <tsettings.h>
#include <QLibrary>
#ifdef HAVE_X11
#include <QX11Info>
#endif
struct CursorHandlerPrivate {
tSettings* settings;
};
CursorHandler::CursorHandler(QObject* parent) : QObject(parent) {
d = new CursorHandlerPrivate();
d->settings = new tSettings("theSuite", "theDesk.platform", this);
connect(d->settings, &tSettings::settingChanged, this, [ = ](QString key, QVariant value) {
if (key == "Platform/cursor" || key == "Platform/cursorSize") {
this->updateApplicationCursor();
}
});
this->updateApplicationCursor();
}
CursorHandler::~CursorHandler() {
delete d;
}
void CursorHandler::updateApplicationCursor() {
#ifdef HAVE_X11
if (QX11Info::isPlatformX11()) {
//Load cursor library
QLibrary xc(QString(SYSTEM_LIBRARY_DIRECTORY).append("/libXcursor.so"));
if (xc.load()) {
typedef int (*setThemeFunc) (Display*, const char*);
typedef int (*setSizeFunc) (Display*, int);
auto XcursorSetTheme = reinterpret_cast<setThemeFunc>(xc.resolve("XcursorSetTheme"));
auto XcursorSetDefaultSize = reinterpret_cast<setSizeFunc>(xc.resolve("XcursorSetDefaultSize"));
//Set cursors
XcursorSetTheme(QX11Info::display(), qPrintable(d->settings->value("Platform/cursor").toString()));
XcursorSetDefaultSize(QX11Info::display(), d->settings->value("Platform/cursorSize").toInt());
} else {
tDebug("CursorHandler") << "Could not load XCursor library: " + xc.errorString();
}
}
#endif
}