finalcut/include/final/fapplication.h

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/************************************************************************
* fapplication.h - Manages the application events *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2013-2017 Markus Gans *
* *
* The Final Cut 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. *
* *
* The Final Cut 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/>. *
************************************************************************/
/* Inheritance diagram
*
*
*
* FTerm
*
*
*
*
* FVTerm FObject
*
*
*
*
*
*
* FWidget
*
*
*
* 1 *
* FApplication -- - - - FEvent
* :
* :
* : *
* :- - - - FPoint
* :
* :
* : *
* - - - - FWidget
*
*/
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#ifndef FAPPLICATION_H
#define FAPPLICATION_H
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#include <getopt.h>
#include <deque>
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#include <string>
#include <utility>
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#include "final/fevent.h"
#include "final/fwidget.h"
#include "final/fwindow.h"
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//----------------------------------------------------------------------
// class FApplication
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class FApplication : public FWidget
{
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public:
// Constructor
FApplication (const int&, char*[], bool = false);
// Destructor
virtual ~FApplication();
// Accessors
const char* getClassName() const;
int getArgc() const;
char** getArgv() const;
FWidget* getMainWidget() const;
FWidget* getFocusWidget() const;
// Mutator
void setMainWidget (FWidget*);
// Inquiry
static bool isQuit();
// Methods
int exec(); // run
int enter_loop();
void exit_loop();
static void exit (int = 0);
void quit();
static bool sendEvent (const FObject*, const FEvent*);
static void queueEvent (const FObject*, const FEvent*);
static void sendQueuedEvents ();
static bool eventInQueue();
static bool removeQueuedEvent (const FObject*);
static FWidget* showParameterUsage (const int&, char*[]);
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// Callback method
void cb_exitApp (FWidget*, data_ptr);
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private:
// Typedefs and Enumerations
typedef std::pair<const FObject*, const FEvent*> eventPair;
typedef std::deque<eventPair> eventQueue;
enum btn_state
{
Pressed = 1,
Released = 2,
DoubleClick = 3
};
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#ifdef F_HAVE_LIBGPM
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enum gpmEventType
{
no_event = 0,
keyboard_event = 1,
mouse_event = 2
};
#endif
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// Constants
static const int NEED_MORE_DATA = -1; // parseKeyString return value
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// Disable copy constructor
FApplication (const FApplication&);
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// Disable assignment operator (=)
FApplication& operator = (const FApplication&);
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// Methods
void init();
void setExitMessage (std::string);
void cmd_options();
#ifdef F_HAVE_LIBGPM
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int gpmEvent (bool = true);
bool processGpmEvent();
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#endif
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bool KeyPressed();
ssize_t readKey();
void processKeyboardEvent();
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#if defined(__linux__)
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int linuxModifierKeyCorrection (const int&);
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#endif
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bool processDialogSwitchAccelerator();
bool processAccelerator (const FWidget*&);
void getX11ButtonState (int);
bool parseX11Mouse();
bool parseSGRMouse();
bool parseUrxvtMouse();
void processMouseEvent();
void processResizeEvent();
int processTimerEvent();
void processCloseWidget();
bool processNextEvent();
// Data Members
int app_argc;
char** app_argv;
int key;
#ifdef F_HAVE_LIBGPM
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Gpm_Event gpm_ev;
bool gpmMouseEvent;
#endif
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struct button_state // bit field
{
uChar left_button : 2; // 0..3
uChar right_button : 2; // 0..3
uChar middle_button : 2; // 0..3
uChar shift_button : 1; // 0..1
uChar control_button : 1; // 0..1
uChar meta_button : 1; // 0..1
uChar wheel_up : 1; // 0..1
uChar wheel_down : 1; // 0..1
uChar mouse_moved : 1; // 0..1
uChar : 4; // padding bits
} b_state;
char k_buf[1024];
char x11_mouse[4];
char sgr_mouse[13];
char urxvt_mouse[13];
char fifo_buf[512];
int fifo_offset;
bool fifo_in_use;
int fifo_buf_size;
long key_timeout;
long dblclick_interval;
struct timeval time_keypressed;
struct timeval time_mousepressed;
FPoint new_mouse_position;
static eventQueue* event_queue;
static int quit_code;
static bool quit_now;
static int loop_level;
static bool process_timer_event;
static FPoint* zero_point;
static uChar x11_button_state;
static FWidget* move_size_widget;
static FWidget* main_widget;
static FWidget* active_window;
static FWidget* focus_widget;
static FWidget* clicked_widget;
static FWidget* open_menu;
// Friend functions from FWidget
friend FWidget* FWidget::getMainWidget();
friend FWidget* FWidget::getFocusWidget() const;
friend void FWidget::setFocusWidget (FWidget*);
friend FWidget* FWidget::getClickedWidget();
friend void FWidget::setClickedWidget (FWidget*);
friend FWidget* FWidget::getMoveSizeWidget();
friend void FWidget::setMoveSizeWidget (FWidget*);
friend FWidget* FWidget::getOpenMenu();
friend void FWidget::setOpenMenu (FWidget*);
// Friend functions from FWindow
friend bool FWindow::activateWindow (bool);
friend FWindow* FWindow::getActiveWindow();
friend void FWindow::unsetActiveWindow();
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};
#pragma pack(pop)
// FApplication inline functions
//----------------------------------------------------------------------
inline const char* FApplication::getClassName() const
{ return "FApplication"; }
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//----------------------------------------------------------------------
inline int FApplication::getArgc() const
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{ return app_argc; }
//----------------------------------------------------------------------
inline char** FApplication::getArgv() const
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{ return app_argv; }
//----------------------------------------------------------------------
inline FWidget* FApplication::getMainWidget() const
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{ return main_widget; }
//----------------------------------------------------------------------
inline FWidget* FApplication::getFocusWidget() const
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{ return focus_widget; }
//----------------------------------------------------------------------
inline void FApplication::cb_exitApp (FWidget*, data_ptr)
{ close(); }
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#endif // FAPPLICATION_H