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- /*
- * Carla Bridge Toolkit, Qt version
- * Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>
- *
- * 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 2 of
- * the License, or 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.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
-
- #include "CarlaBridgeUI.hpp"
- #include "CarlaBridgeToolkit.hpp"
- #include "CarlaStyle.hpp"
-
- #include <QtCore/QThread>
- #include <QtCore/QTimerEvent>
-
- #if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
- # include <QtWidgets/QApplication>
- # include <QtWidgets/QMainWindow>
- #else
- # include <QtGui/QApplication>
- # include <QtGui/QMainWindow>
- #endif
-
- #if defined(CARLA_OS_LINUX) && defined(HAVE_X11) && QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
- # define USE_CUSTOM_X11_METHODS
- # include <QtGui/QX11Info>
- # include <X11/Xlib.h>
- #endif
-
- CARLA_BRIDGE_START_NAMESPACE
-
- // -------------------------------------------------------------------------
-
- static int qargc = 0;
- static char* qargv[0] = {};
-
- // -------------------------------------------------------------------------
-
- class CarlaBridgeToolkitQt: public QObject,
- public CarlaBridgeToolkit
- {
- #if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0)) && defined(__clang__)
- # pragma clang diagnostic push
- # pragma clang diagnostic ignored "-Winconsistent-missing-override"
- #endif
- Q_OBJECT
- #if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0)) && defined(__clang__)
- # pragma clang diagnostic pop
- #endif
-
- public:
- CarlaBridgeToolkitQt(CarlaBridgeUI* const u)
- : QObject(nullptr),
- CarlaBridgeToolkit(u),
- fApp(nullptr),
- fWindow(nullptr),
- fMsgTimer(0),
- fNeedsShow(false)
- {
- carla_debug("CarlaBridgeToolkitQt::CarlaBridgeToolkitQt(%p)", u);
- }
-
- ~CarlaBridgeToolkitQt() override
- {
- CARLA_SAFE_ASSERT(fApp == nullptr);
- CARLA_SAFE_ASSERT(fWindow == nullptr);
- CARLA_SAFE_ASSERT(fMsgTimer == 0);
- carla_debug("CarlaBridgeToolkitQt::~CarlaBridgeToolkitQt()");
- }
-
- bool init(const int /*argc*/, const char** /*argv[]*/) override
- {
- CARLA_SAFE_ASSERT_RETURN(fApp == nullptr, false);
- CARLA_SAFE_ASSERT_RETURN(fWindow == nullptr, false);
- CARLA_SAFE_ASSERT_RETURN(fMsgTimer == 0, false);
- carla_debug("CarlaBridgeToolkitQt::init()");
-
- fApp = new QApplication(qargc, qargv);
-
- fWindow = new QMainWindow(nullptr);
- fWindow->resize(30, 30);
- fWindow->hide();
-
- return true;
- }
-
- void exec(const bool showUI) override
- {
- CARLA_SAFE_ASSERT_RETURN(ui != nullptr,);
- CARLA_SAFE_ASSERT_RETURN(fApp != nullptr,);
- CARLA_SAFE_ASSERT_RETURN(fWindow != nullptr,);
- carla_debug("CarlaBridgeToolkitQt::exec(%s)", bool2str(showUI));
-
- const CarlaBridgeUI::Options& options(ui->getOptions());
-
- QWidget* const widget((QWidget*)ui->getWidget());
-
- fWindow->setCentralWidget(widget);
- fWindow->adjustSize();
-
- widget->setParent(fWindow);
- widget->show();
-
- if (! options.isResizable)
- {
- fWindow->setFixedSize(fWindow->width(), fWindow->height());
- #ifdef CARLA_OS_WIN
- fWindow->setWindowFlags(fWindow->windowFlags() | Qt::MSWindowsFixedSizeDialogHint);
- #endif
- }
-
- fWindow->setWindowIcon(QIcon::fromTheme("carla", QIcon(":/scalable/carla.svg")));
- fWindow->setWindowTitle(options.windowTitle.buffer());
-
- if (options.transientWindowId != 0)
- {
- #ifdef USE_CUSTOM_X11_METHODS
- XSetTransientForHint(QX11Info::display(), static_cast< ::Window>(fWindow->winId()), static_cast< ::Window>(options.transientWindowId));
- #endif
- }
-
- if (showUI || fNeedsShow)
- {
- show();
- fNeedsShow = false;
- }
-
- fMsgTimer = startTimer(30);
-
- // First idle
- handleTimeout();
-
- // Main loop
- fApp->exec();
- }
-
- void quit() override
- {
- CARLA_SAFE_ASSERT_RETURN(ui != nullptr,);
- CARLA_SAFE_ASSERT_RETURN(fApp != nullptr,);
- CARLA_SAFE_ASSERT_RETURN(fWindow != nullptr,);
- carla_debug("CarlaBridgeToolkitQt::quit()");
-
- if (fMsgTimer != 0)
- {
- killTimer(fMsgTimer);
- fMsgTimer = 0;
- }
-
- if (fWindow != nullptr)
- {
- fWindow->close();
-
- delete fWindow;
- fWindow = nullptr;
- }
-
- if (fApp != nullptr)
- {
- if (! fApp->closingDown())
- fApp->quit();
-
- delete fApp;
- fApp = nullptr;
- }
- }
-
- void show() override
- {
- carla_debug("CarlaBridgeToolkitQt::show()");
-
- fNeedsShow = true;
-
- if (fWindow != nullptr)
- fWindow->show();
- }
-
- void focus() override
- {
- carla_debug("CarlaBridgeToolkitQt::focus()");
- }
-
- void hide() override
- {
- carla_debug("CarlaBridgeToolkitQt::hide()");
-
- fNeedsShow = false;
-
- if (fWindow != nullptr)
- fWindow->hide();
- }
-
- void setSize(const uint width, const uint height) override
- {
- CARLA_SAFE_ASSERT_RETURN(ui != nullptr,);
- CARLA_SAFE_ASSERT_RETURN(fWindow != nullptr,);
- CARLA_SAFE_ASSERT_RETURN(width > 0,);
- CARLA_SAFE_ASSERT_RETURN(height > 0,);
- carla_debug("CarlaBridgeToolkitQt::resize(%i, %i)", width, height);
-
- if (ui->getOptions().isResizable)
- fWindow->resize(static_cast<int>(width), static_cast<int>(height));
- else
- fWindow->setFixedSize(static_cast<int>(width), static_cast<int>(height));
- }
-
- void setTitle(const char* const title) override
- {
- CARLA_SAFE_ASSERT_RETURN(fWindow != nullptr,);
- CARLA_SAFE_ASSERT_RETURN(title != nullptr && title[0] != '\0',);
- carla_debug("CarlaBridgeToolkitQt::setTitle(\"%s\")", title);
-
- fWindow->setWindowTitle(title);
- }
-
- protected:
- QApplication* fApp;
- QMainWindow* fWindow;
-
- int fMsgTimer;
- bool fNeedsShow;
-
- void handleTimeout()
- {
- CARLA_SAFE_ASSERT_RETURN(ui != nullptr,);
-
- if (ui->isPipeRunning())
- ui->idlePipe();
-
- ui->idleUI();
- }
-
- private:
- void timerEvent(QTimerEvent* const ev) override
- {
- if (ev->timerId() == fMsgTimer)
- handleTimeout();
-
- QObject::timerEvent(ev);
- }
-
- #ifndef MOC_PARSING
- CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaBridgeToolkitQt)
- #endif
- };
-
- #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
- # include "CarlaBridgeToolkitQt5.moc"
- #else
- # include "CarlaBridgeToolkitQt4.moc"
- #endif
-
- // -------------------------------------------------------------------------
-
- CarlaBridgeToolkit* CarlaBridgeToolkit::createNew(CarlaBridgeUI* const ui)
- {
- return new CarlaBridgeToolkitQt(ui);
- }
-
- // -------------------------------------------------------------------------
-
- CARLA_BRIDGE_END_NAMESPACE
-
- // -------------------------------------------------------------------------
-
- // missing declaration
- int qInitResources();
- int qCleanupResources();
-
- #if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
- # include "resources.qt5.cpp"
- #else
- # include "resources.qt4.cpp"
- #endif
-
- // -------------------------------------------------------------------------
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