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Diffstat (limited to 'libs/dgl/ntk/NtkApp.hpp')
| -rw-r--r-- | libs/dgl/ntk/NtkApp.hpp | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/libs/dgl/ntk/NtkApp.hpp b/libs/dgl/ntk/NtkApp.hpp deleted file mode 100644 index 2c32d56..0000000 --- a/libs/dgl/ntk/NtkApp.hpp +++ /dev/null @@ -1,291 +0,0 @@ -/* - * DISTRHO Plugin Framework (DPF) - * Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com> - * - * Permission to use, copy, modify, and/or distribute this software for any purpose with - * or without fee is hereby granted, provided that the above copyright notice and this - * permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER - * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef DGL_NTK_APP_HPP_INCLUDED -#define DGL_NTK_APP_HPP_INCLUDED - -#include "../Base.hpp" -#include "../../distrho/DistrhoUI.hpp" -#include "../../distrho/extra/d_thread.hpp" - -#ifdef override -# define override_defined -# undef override -#endif - -#include <list> -#include <FL/Fl.H> -#include <FL/Fl_Double_Window.H> -#include <FL/Fl_Shared_Image.H> -#include <FL/x.H> - -#ifdef override_defined -# define override -# undef override_defined -#endif - -struct ScopedDisplayLock { - ScopedDisplayLock() - { -#ifdef DISTRHO_OS_LINUX - XLockDisplay(fl_display); -#endif - } - - ~ScopedDisplayLock() - { -#ifdef DISTRHO_OS_LINUX - XUnlockDisplay(fl_display); -#endif - } -}; - -// ----------------------------------------------------------------------- - -namespace DISTRHO_NAMESPACE { - class UI; -} - -START_NAMESPACE_DGL - -class NtkWindow; - -typedef DISTRHO_NAMESPACE::Mutex d_Mutex; -typedef DISTRHO_NAMESPACE::MutexLocker d_MutexLocker; -typedef DISTRHO_NAMESPACE::Thread d_Thread; -typedef DISTRHO_NAMESPACE::UI d_UI; - -// ----------------------------------------------------------------------- - -/** - DGL compatible App class that uses NTK instead of OpenGL. - @see App - */ -class NtkApp : d_Thread -{ -public: - /** - Constructor. - */ - NtkApp() - : d_Thread("NtkApp"), - fWindows(), - fWindowMutex(), - fNextUI(), - fDoNextUI(false), - fInitialized(false) - { -#ifdef DISTRHO_OS_LINUX - //XInitThreads(); -#endif - - startThread(); - - for (; ! fInitialized;) - d_msleep(10); - } - - /** - Destructor. - */ - ~NtkApp() - { - stopThread(-1); - fWindows.clear(); - } - - /** - Idle function. - This calls does nothing. - */ - void idle() {} - - /** - Run the application event-loop until all Windows are closed. - @note: This function is meant for standalones only, *never* call this from plugins. - */ - void exec() - { - while (isThreadRunning() && ! shouldThreadExit()) - d_sleep(1); - } - - /** - Quit the application. - This stops the event-loop and closes all Windows. - */ - void quit() - { - signalThreadShouldExit(); - } - - /** - Check if the application is about to quit. - Returning true means there's no event-loop running at the moment. - */ - bool isQuiting() const noexcept - { - if (isThreadRunning() && ! shouldThreadExit()) - return false; - return true; - } - - // ------------------------------------------------------------------- - - /** - Create UI on our separate thread. - Blocks until the UI is created and returns it. - */ - d_UI* createUI(void* const func) - { - DISTRHO_SAFE_ASSERT_RETURN(isThreadRunning(), nullptr); - DISTRHO_SAFE_ASSERT_RETURN(! fDoNextUI, nullptr); - - fNextUI.create = true; - fNextUI.func = (NextUI::UiFunc)func; - fDoNextUI = true; - - for (; fDoNextUI;) - d_msleep(10); - - return fNextUI.ui; - } - - /** - Delete UI on our separate thread. - Blocks until the UI is deleted. - */ - void deleteUI(d_UI* const ui) - { - DISTRHO_SAFE_ASSERT_RETURN(! fDoNextUI,); - - fNextUI.create = false; - fNextUI.ui = ui; - fDoNextUI = true; - - if (isThreadRunning()) - { - for (; fDoNextUI;) - d_msleep(10); - } - else - { - fNextUI.run(); - fDoNextUI = false; - } - } - - // ------------------------------------------------------------------- - -private: - struct NextUI { - typedef d_UI* (*UiFunc)(); - - bool create; - - union { - UiFunc func; - d_UI* ui; - }; - - NextUI() - : create(false), - func(nullptr) {} - - void run(); - }; - - std::list<Fl_Double_Window*> fWindows; - d_Mutex fWindowMutex; - NextUI fNextUI; - volatile bool fDoNextUI; - volatile bool fInitialized; - - /** @internal used by NtkWindow. */ - void addWindow(Fl_Double_Window* const window) - { - DISTRHO_SAFE_ASSERT_RETURN(window != nullptr,); - - if (fWindows.size() == 0 && ! isThreadRunning()) - startThread(); - - const d_MutexLocker sl(fWindowMutex); - fWindows.push_back(window); - } - - /** @internal used by NtkWindow. */ - void removeWindow(Fl_Double_Window* const window) - { - DISTRHO_SAFE_ASSERT_RETURN(window != nullptr,); - - const d_MutexLocker sl(fWindowMutex); - fWindows.remove(window); - - if (fWindows.size() == 0) - signalThreadShouldExit(); - } - - /** @internal */ - void run() override - { - static bool initialized = false; - - if (! initialized) - { - initialized = true; - fl_register_images(); -#ifdef DISTRHO_OS_LINUX - fl_open_display(); -#endif - } - - fInitialized = true; - - for (; ! shouldThreadExit();) - { - if (fDoNextUI) - { - const ScopedDisplayLock csdl; - fNextUI.run(); - fDoNextUI = false; - } - - const ScopedDisplayLock csdl; - Fl::check(); - Fl::flush(); - - d_msleep(20); - } - - const d_MutexLocker sl(fWindowMutex); - const ScopedDisplayLock csdl; - - for (std::list<Fl_Double_Window*>::reverse_iterator rit = fWindows.rbegin(), rite = fWindows.rend(); rit != rite; ++rit) - { - Fl_Double_Window* const window(*rit); - window->hide(); - } - } - - friend class NtkWindow; - - DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NtkApp) -}; -// ----------------------------------------------------------------------- - -END_NAMESPACE_DGL - -#endif // DGL_NTK_APP_HPP_INCLUDED |