281 lines
9.8 KiB
C++
281 lines
9.8 KiB
C++
/***********************************************************************
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* fapplication.h - Manages the application events *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2013-2017 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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/* Inheritance diagram
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* ═══════════════════
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*
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FTerm ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FVTerm ▏ ▕ FObject ▏
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* ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
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* ▲ ▲
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* │ │
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* └─────┬─────┘
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FWidget ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏1 *▕▔▔▔▔▔▔▔▔▏
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* ▕ FApplication ▏-┬- - - -▕ FEvent ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏ : ▕▁▁▁▁▁▁▁▁▏
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* :
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* : *▕▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FPoint ▏
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* : ▕▁▁▁▁▁▁▁▁▏
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* :
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* : *▕▔▔▔▔▔▔▔▔▔▏
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* └- - - -▕ FWidget ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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*/
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#ifndef FAPPLICATION_H
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#define FAPPLICATION_H
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
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#error "Only <final/final.h> can be included directly."
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#endif
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#include <getopt.h>
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#include <deque>
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#include <string>
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#include <utility>
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#include "final/fevent.h"
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#include "final/fwidget.h"
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#include "final/fwindow.h"
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//----------------------------------------------------------------------
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// class FApplication
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FApplication : public FWidget
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{
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public:
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// Constructor
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FApplication (const int&, char*[], bool = false);
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// Destructor
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virtual ~FApplication();
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// Accessors
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const char* getClassName() const;
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int getArgc() const;
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char** getArgv() const;
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FWidget* getMainWidget() const;
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FWidget* getFocusWidget() const;
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// Mutator
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void setMainWidget (FWidget*);
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// Inquiry
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static bool isQuit();
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// Methods
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int exec(); // run
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int enter_loop();
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void exit_loop();
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static void exit (int = 0);
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void quit();
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static bool sendEvent (const FObject*, const FEvent*);
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static void queueEvent (const FObject*, const FEvent*);
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static void sendQueuedEvents ();
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static bool eventInQueue();
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static bool removeQueuedEvent (const FObject*);
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static FWidget* processParameters (const int&, char*[]);
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static void showParameterUsage ();
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static void closeConfirmationDialog (FWidget*, FCloseEvent*);
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// Callback method
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void cb_exitApp (FWidget*, data_ptr);
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private:
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// Typedefs and Enumerations
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typedef std::pair<const FObject*, const FEvent*> eventPair;
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typedef std::deque<eventPair> eventQueue;
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enum btn_state
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{
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Pressed = 1,
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Released = 2,
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DoubleClick = 3
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};
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#ifdef F_HAVE_LIBGPM
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enum gpmEventType
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{
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no_event = 0,
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keyboard_event = 1,
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mouse_event = 2
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};
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#endif
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// Constants
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static const int NEED_MORE_DATA = -1; // parseKeyString return value
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// Disable copy constructor
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FApplication (const FApplication&);
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// Disable assignment operator (=)
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FApplication& operator = (const FApplication&);
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// Methods
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void init();
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static void cmd_options (const int&, char*[]);
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#ifdef F_HAVE_LIBGPM
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int gpmEvent (bool = true);
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bool processGpmEvent();
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#endif
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bool KeyPressed();
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ssize_t readKey();
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void processKeyboardEvent();
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#if defined(__linux__)
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static int linuxShiftKeyCorrection (const int&);
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static int linuxCtrlKeyCorrection (const int&);
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static int linuxAltKeyCorrection (const int&);
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static int linuxShiftCtrlKeyCorrection (const int&);
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static int linuxShiftAltKeyCorrection (const int&);
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static int linuxCtrlAltKeyCorrection (const int&);
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static int linuxShiftCtrlAltKeyCorrection (const int&);
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static int linuxModifierKeyCorrection (const int&);
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#endif
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bool processDialogSwitchAccelerator();
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bool processAccelerator (const FWidget*&);
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void getX11ButtonState (int);
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bool parseX11Mouse();
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bool parseSGRMouse();
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bool parseUrxvtMouse();
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void processMouseEvent();
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void processResizeEvent();
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int processTimerEvent();
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void processCloseWidget();
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bool processNextEvent();
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// Data Members
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int app_argc;
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char** app_argv;
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int key;
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#ifdef F_HAVE_LIBGPM
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Gpm_Event gpm_ev;
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bool gpmMouseEvent;
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#endif
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struct button_state // bit field
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{
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uChar left_button : 2; // 0..3
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uChar right_button : 2; // 0..3
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uChar middle_button : 2; // 0..3
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uChar shift_button : 1; // 0..1
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uChar control_button : 1; // 0..1
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uChar meta_button : 1; // 0..1
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uChar wheel_up : 1; // 0..1
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uChar wheel_down : 1; // 0..1
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uChar mouse_moved : 1; // 0..1
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uChar : 4; // padding bits
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} b_state;
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char k_buf[1024];
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char x11_mouse[4];
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char sgr_mouse[13];
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char urxvt_mouse[13];
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char fifo_buf[512];
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int fifo_offset;
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bool fifo_in_use;
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int fifo_buf_size;
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long key_timeout;
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long dblclick_interval;
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struct timeval time_keypressed;
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struct timeval time_mousepressed;
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FPoint new_mouse_position;
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static eventQueue* event_queue;
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static int quit_code;
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static bool quit_now;
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static int loop_level;
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static bool process_timer_event;
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static FPoint* zero_point;
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static uChar x11_button_state;
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static FWidget* move_size_widget;
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static FWidget* main_widget;
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static FWidget* active_window;
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static FWidget* focus_widget;
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static FWidget* clicked_widget;
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static FWidget* open_menu;
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// Friend functions from FWidget
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friend FWidget* FWidget::getMainWidget();
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friend FWidget* FWidget::getFocusWidget() const;
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friend void FWidget::setFocusWidget (FWidget*);
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friend FWidget* FWidget::getClickedWidget();
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friend void FWidget::setClickedWidget (FWidget*);
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friend FWidget* FWidget::getMoveSizeWidget();
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friend void FWidget::setMoveSizeWidget (FWidget*);
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friend FWidget* FWidget::getOpenMenu();
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friend void FWidget::setOpenMenu (FWidget*);
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// Friend functions from FWindow
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friend bool FWindow::activateWindow (bool);
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friend FWindow* FWindow::getActiveWindow();
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friend void FWindow::unsetActiveWindow();
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};
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#pragma pack(pop)
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// FApplication inline functions
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//----------------------------------------------------------------------
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inline const char* FApplication::getClassName() const
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{ return "FApplication"; }
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//----------------------------------------------------------------------
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inline int FApplication::getArgc() const
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{ return app_argc; }
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//----------------------------------------------------------------------
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inline char** FApplication::getArgv() const
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{ return app_argv; }
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//----------------------------------------------------------------------
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inline FWidget* FApplication::getMainWidget() const
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{ return main_widget; }
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//----------------------------------------------------------------------
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inline FWidget* FApplication::getFocusWidget() const
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{ return focus_widget; }
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//----------------------------------------------------------------------
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inline void FApplication::cb_exitApp (FWidget*, data_ptr)
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{ close(); }
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#endif // FAPPLICATION_H
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