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#ifndef Magnum_Platform_AbstractXApplication_h
#define Magnum_Platform_AbstractXApplication_h
/*
Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
This file is part of Magnum.
Magnum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 3
only, as published by the Free Software Foundation.
Magnum 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 Lesser General Public License version 3 for more details.
*/
/** @file
* @brief Class Magnum::Platform::AbstractXApplication
*/
#include <Containers/EnumSet.h>
#include "Magnum.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
/* undef Xlib nonsense to avoid conflicts */
#undef None
#undef Always
#include "Math/Vector2.h"
#include "AbstractContextHandler.h"
#include "magnumCompatibility.h"
namespace Magnum {
class Context;
namespace Platform {
/** @nosubgrouping
@brief Base for X11-based applications
Supports keyboard and mouse handling.
@note Not meant to be used directly, see subclasses.
*/
class AbstractXApplication {
public:
/**
* @brief Constructor
* @param contextHandler OpenGL context handler
* @param argc Count of arguments of `main()` function
* @param argv Arguments of `main()` function
* @param title Window title
* @param size Window size
*
* Creates window with double-buffered OpenGL ES 2 context.
*/
AbstractXApplication(AbstractContextHandler<Display*, VisualID, Window>* contextHandler, int& argc, char** argv, const std::string& title = "Magnum X application", const Math::Vector2<GLsizei>& size = Math::Vector2<GLsizei>(800, 600));
/**
* @brief Destructor
*
* Deletes context and destroys the window.
*/
virtual ~AbstractXApplication() = 0;
/**
* @brief Execute main loop
* @return Value for returning from `main()`.
*/
int exec();
/** @brief Exit application main loop */
inline void exit() { flags |= Flag::Exit; }
/** @{ @name Drawing functions */
protected:
/** @copydoc GlutApplication::viewportEvent() */
virtual void viewportEvent(const Math::Vector2<GLsizei>& size) = 0;
/** @copydoc GlutApplication::drawEvent() */
virtual void drawEvent() = 0;
/** @copydoc GlutApplication::swapBuffers() */
inline void swapBuffers() { contextHandler->swapBuffers(); }
/** @copydoc GlutApplication::redraw() */
inline void redraw() { flags |= Flag::Redraw; }
/*@}*/
/** @{ @name Keyboard handling */
public:
/**
* @brief %Modifier
*
* @see Modifiers, keyPressEvent(), keyReleaseEvent(),
* mousePressEvent(), mouseReleaseEvent(), mouseMotionEvent()
*/
enum class Modifier: unsigned int {
Shift = ShiftMask, /**< Shift */
Ctrl = ControlMask, /**< Ctrl */
Alt = Mod1Mask, /**< Alt */
AltGr = Mod5Mask, /**< AltGr */
LeftButton = Button1Mask, /**< Left mouse button */
MiddleButton = Button2Mask, /**< Middle mouse button */
RightButton = Button3Mask, /**< Right mouse button */
CapsLock = LockMask, /**< Caps lock */
NumLock = Mod2Mask /**< Num lock */
};
/**
* @brief Set of modifiers
*
* @see keyPressEvent(), keyReleaseEvent()
*/
typedef Corrade::Containers::EnumSet<Modifier, unsigned int> Modifiers;
/**
* @brief Key
*
* @see keyPressEvent(), keyReleaseEvent()
*/
enum class Key: KeySym {
Enter = XK_Return, /**< Enter */
Esc = XK_Escape, /**< Escape */
Up = XK_Up, /**< Up arrow */
Down = XK_Down, /**< Down arrow */
Left = XK_Left, /**< Left arrow */
Right = XK_Right, /**< Right arrow */
F1 = XK_F1, /**< F1 */
F2 = XK_F2, /**< F2 */
F3 = XK_F3, /**< F3 */
F4 = XK_F4, /**< F4 */
F5 = XK_F5, /**< F5 */
F6 = XK_F6, /**< F6 */
F7 = XK_F7, /**< F7 */
F8 = XK_F8, /**< F8 */
F9 = XK_F9, /**< F9 */
F10 = XK_F10, /**< F10 */
F11 = XK_F11, /**< F11 */
F12 = XK_F12, /**< F12 */
Home = XK_Home, /**< Home */
End = XK_End, /**< End */
PageUp = XK_Page_Up, /**< Page up */
PageDown = XK_Page_Down, /**< Page down */
Space = XK_space, /**< Space */
Comma = XK_comma, /**< Comma */
Period = XK_period, /**< Period */
Minus = XK_minus, /**< Minus */
Plus = XK_plus, /**< Plus */
Slash = XK_slash, /**< Slash */
Percent = XK_percent, /**< Percent */
Equal = XK_equal, /**< Equal */
Zero = XK_0, /**< Zero */
One = XK_1, /**< One */
Two = XK_2, /**< Two */
Three = XK_3, /**< Three */
Four = XK_4, /**< Four */
Five = XK_5, /**< Five */
Six = XK_6, /**< Six */
Seven = XK_7, /**< Seven */
Eight = XK_8, /**< Eight */
Nine = XK_9, /**< Nine */
A = XK_a, /**< Small letter A */
B = XK_b, /**< Small letter B */
C = XK_c, /**< Small letter C */
D = XK_d, /**< Small letter D */
E = XK_e, /**< Small letter E */
F = XK_f, /**< Small letter F */
G = XK_g, /**< Small letter G */
H = XK_h, /**< Small letter H */
I = XK_i, /**< Small letter I */
J = XK_j, /**< Small letter J */
K = XK_k, /**< Small letter K */
L = XK_l, /**< Small letter L */
M = XK_m, /**< Small letter M */
N = XK_n, /**< Small letter N */
O = XK_o, /**< Small letter O */
P = XK_p, /**< Small letter P */
Q = XK_q, /**< Small letter Q */
R = XK_r, /**< Small letter R */
S = XK_s, /**< Small letter S */
T = XK_t, /**< Small letter T */
U = XK_u, /**< Small letter U */
V = XK_v, /**< Small letter V */
W = XK_w, /**< Small letter W */
X = XK_x, /**< Small letter X */
Y = XK_y, /**< Small letter Y */
Z = XK_z /**< Small letter Z */
};
protected:
/**
* @brief Key press event
* @param key Key pressed
* @param modifiers Active modifiers
* @param position Cursor position
*
* Called when an key is pressed. Default implementation does nothing.
*/
virtual void keyPressEvent(Key key, Modifiers modifiers, const Math::Vector2<int>& position);
/**
* @brief Key press event
* @param key Key released
* @param modifiers Active modifiers
* @param position Cursor position
*
* Called when an key is released. Default implementation does nothing.
*/
virtual void keyReleaseEvent(Key key, Modifiers modifiers, const Math::Vector2<int>& position);
/*@}*/
/** @{ @name Mouse handling */
public:
/**
* @brief Mouse button
*
* @see mousePressEvent(), mouseReleaseEvent()
*/
enum class MouseButton: unsigned int {
Left = Button1, /**< Left button */
Middle = Button2, /**< Middle button */
Right = Button3, /**< Right button */
WheelUp = Button4, /**< Wheel up */
WheelDown = Button5 /**< Wheel down */
};
protected:
/**
* @brief Mouse press event
* @param button Button pressed
* @param modifiers Active modifiers
* @param position Cursor position
*
* Called when mouse button is pressed. Default implementation does
* nothing.
*/
virtual void mousePressEvent(MouseButton button, Modifiers modifiers, const Math::Vector2<int>& position);
/**
* @brief Mouse release event
* @param button Button released
* @param modifiers Active modifiers
* @param position Cursor position
*
* Called when mouse button is released. Default implementation does
* nothing.
*/
virtual void mouseReleaseEvent(MouseButton button, Modifiers modifiers, const Math::Vector2<int>& position);
/**
* @brief Mouse motion event
* @param modifiers Active modifiers
* @param position Cursor position
*
* Called when mouse is moved.
*/
virtual void mouseMotionEvent(Modifiers modifiers, const Math::Vector2<int>& position);
/*@}*/
private:
enum class Flag: unsigned int {
Redraw = 1 << 0,
Exit = 1 << 1
};
typedef Corrade::Containers::EnumSet<Flag, unsigned int> Flags;
CORRADE_ENUMSET_FRIEND_OPERATORS(Flags)
Display* display;
Window window;
Atom deleteWindow;
AbstractContextHandler<Display*, VisualID, Window>* contextHandler;
Context* c;
/** @todo Get this from the created window */
Math::Vector2<GLsizei> viewportSize;
Flags flags;
};
/** @hideinitializer
@param className Class name
Can be used as equivalent to the following code to achieve better portability,
see @ref portability-applications for more information.
@code
int main(int argc, char** argv) {
className app(argc, argv);
return app.exec();
}
@endcode
When no other application header is included this macro is also aliased to
`MAGNUM_APPLICATION_MAIN()`.
*/
#define MAGNUM_XAPPLICATION_MAIN(className) \
int main(int argc, char** argv) { \
className app(argc, argv); \
return app.exec(); \
}
#ifndef DOXYGEN_GENERATING_OUTPUT
#ifndef MAGNUM_APPLICATION_MAIN
#define MAGNUM_APPLICATION_MAIN(className) MAGNUM_XAPPLICATION_MAIN(className)
#else
#undef MAGNUM_APPLICATION_MAIN
#endif
#endif
CORRADE_ENUMSET_OPERATORS(AbstractXApplication::Modifiers)
CORRADE_ENUMSET_OPERATORS(AbstractXApplication::Flags)
/* Implementations for inline functions with unused parameters */
inline void AbstractXApplication::keyPressEvent(Key, Modifiers, const Math::Vector2<int>&) {}
inline void AbstractXApplication::keyReleaseEvent(Key, Modifiers, const Math::Vector2<int>&) {}
inline void AbstractXApplication::mousePressEvent(MouseButton, Modifiers, const Math::Vector2<int>&) {}
inline void AbstractXApplication::mouseReleaseEvent(MouseButton, Modifiers, const Math::Vector2<int>&) {}
inline void AbstractXApplication::mouseMotionEvent(Modifiers, const Math::Vector2<int>&) {}
}}
#endif