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Add new NTK class files

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falkTX 11 years ago
parent
807aee7910
commit
73641904f7
3 changed files with 329 additions and 0 deletions
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  1. +125
    -0
      dgl/ntk/NtkApp.hpp
  2. +67
    -0
      dgl/ntk/NtkWidget.hpp
  3. +137
    -0
      dgl/ntk/NtkWindow.hpp

+ 125
- 0
dgl/ntk/NtkApp.hpp View File

@@ -0,0 +1,125 @@
/*
* 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 <list>
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Shared_Image.H>
#include <FL/x.H>

START_NAMESPACE_DGL

class NtkWindow;

// -----------------------------------------------------------------------

/**
DGL compatible App class that uses NTK instead of OpenGL.
@see App
*/
class NtkApp
{
public:
/**
Constructor.
*/
NtkApp()
: fIsRunning(false),
fWindows()
{
static bool initialized = false;

if (! initialized)
{
initialized = true;
fl_register_images();
fl_open_display();
}
}

/**
Destructor.
*/
~NtkApp()
{
DISTRHO_SAFE_ASSERT(! fIsRunning);

fWindows.clear();
}

/**
Idle function.
This calls the NTK event-loop once.
*/
void idle()
{
Fl::check();
}

/**
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()
{
fIsRunning = true;
Fl::run();
fIsRunning = false;
}

/**
Quit the application.
This stops the event-loop and closes all Windows.
*/
void quit()
{
fIsRunning = false;

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();
}
}

/**
Check if the application is about to quit.
Returning true means there's no event-loop running at the moment.
*/
bool isQuiting() const noexcept
{
return !fIsRunning;
}

private:
bool fIsRunning;
std::list<Fl_Double_Window*> fWindows;

friend class NtkWindow;

DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NtkApp)
};

// -----------------------------------------------------------------------

END_NAMESPACE_DGL

#endif // DGL_NTK_APP_HPP_INCLUDED

+ 67
- 0
dgl/ntk/NtkWidget.hpp View File

@@ -0,0 +1,67 @@
/*
* 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_WIDGET_HPP_INCLUDED
#define DGL_NTK_WIDGET_HPP_INCLUDED

#include "NtkWindow.hpp"

#include "../Geometry.hpp"

START_NAMESPACE_DGL

// -----------------------------------------------------------------------

/**
DGL compatible Widget class that uses NTK instead of OpenGL.
@see Widget
*/
class NtkWidget : public Fl_Group
{
public:
/**
Constructor.
*/
explicit NtkWidget(NtkWindow& parent)
: Fl_Group(0, 0, 0, 0),
fParent(parent)
{
}

/**
Destructor.
*/
~NtkWidget() override
{
}

protected:
/** @internal used for DGL compatibility. */
void setNeedsFullViewport(bool) noexcept {}
/** @internal used for DGL compatibility. */
void setNeedsScaling(bool) noexcept {}

private:
NtkWindow& fParent;

DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NtkWidget)
};

// -----------------------------------------------------------------------

END_NAMESPACE_DGL

#endif // DGL_NTK_WIDGET_HPP_INCLUDED

+ 137
- 0
dgl/ntk/NtkWindow.hpp View File

@@ -0,0 +1,137 @@
/*
* 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_WINDOW_HPP_INCLUDED
#define DGL_NTK_WINDOW_HPP_INCLUDED

#include "NtkApp.hpp"

START_NAMESPACE_DGL

class NtkWidget;

// -----------------------------------------------------------------------

class NtkWindow : public Fl_Double_Window
{
public:
explicit NtkWindow(NtkApp& app)
: Fl_Double_Window(100, 100),
fApp(app),
fUsingEmbed(false),
fParent(nullptr),
fWidgets() {}

explicit NtkWindow(NtkApp& app, NtkWindow& parent)
: Fl_Double_Window(100, 100),
fApp(app),
fUsingEmbed(false),
fParent(&parent),
fWidgets() {}

explicit NtkWindow(NtkApp& app, intptr_t parentId)
: Fl_Double_Window(100, 100),
fApp(app),
fUsingEmbed(parentId != 0),
fParent(nullptr),
fWidgets()
{
if (fUsingEmbed)
{
fl_embed(this, (Window)parentId);
Fl_Double_Window::show();
}
}

~NtkWindow() override
{
fWidgets.clear();

if (fUsingEmbed)
Fl_Double_Window::hide();
}

void show()
{
Fl_Double_Window::show();

#ifdef DISTRHO_OS_LINUX
if (fParent == nullptr)
return;

DISTRHO_SAFE_ASSERT_RETURN(fl_display != nullptr,);

const ::Window ourWindow(fl_xid_(this));
DISTRHO_SAFE_ASSERT_RETURN(ourWindow != 0,);

const ::Window parentWindow(fl_xid_(fParent));
DISTRHO_SAFE_ASSERT_RETURN(parentWindow != 0,);

XSetTransientForHint(fl_display, ourWindow, parentWindow);
#endif
}

void addIdleCallback(IdleCallback* const callback)
{
DISTRHO_SAFE_ASSERT_RETURN(callback != nullptr,);

if (fIdleCallbacks.size() == 0)
Fl::add_idle(_idleHandler, this);

fIdleCallbacks.push_back(callback);
}

void removeIdleCallback(IdleCallback* const callback)
{
DISTRHO_SAFE_ASSERT_RETURN(callback != nullptr,);

fIdleCallbacks.remove(callback);

if (fIdleCallbacks.size() == 0)
Fl::remove_idle(_idleHandler, this);
}

private:
NtkApp& fApp;
bool fUsingEmbed;

// transient parent, may be null
NtkWindow* const fParent;

std::list<Fl_Group*> fWidgets;
std::list<IdleCallback*> fIdleCallbacks;

friend class NtkWidget;

static void _idleHandler(void* data)
{
NtkWindow* const self((NtkWindow*)data);

for (std::list<IdleCallback*>::iterator it=self->fIdleCallbacks.begin(), ite=self->fIdleCallbacks.end(); it != ite; ++it)
{
IdleCallback* const idleCallback(*it);
idleCallback->idleCallback();
}
}

DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NtkWindow)
};

// -----------------------------------------------------------------------

END_NAMESPACE_DGL

#endif // DGL_NTK_WINDOW_HPP_INCLUDED

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