28d1a2d684
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11452 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
//
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// "$Id$"
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//
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// A base class for platform specific system calls
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// for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2016 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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/** \file Fl_System_Driver.H
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\brief declaration of class Fl_System_Driver.
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*/
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#ifndef FL_SYSTEM_DRIVER_H
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#define FL_SYSTEM_DRIVER_H
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#include <FL/Fl_Export.H>
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#include <stdarg.h>
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#ifdef __APPLE__
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typedef struct CGContext* Fl_Offscreen;
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typedef struct CGImage* Fl_Bitmask;
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typedef struct flCocoaRegion* Fl_Region;
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#elif defined(WIN32)
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typedef struct HBITMAP__ *HBITMAP;
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typedef HBITMAP Fl_Offscreen;
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typedef HBITMAP Fl_Bitmask;
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typedef struct HRGN__ *Fl_Region;
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#elif defined(FL_PORTING)
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# pragma message "FL_PORTING: define OS-dependent types"
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typedef void* Fl_Offscreen;
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typedef void* Fl_Bitmask;
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typedef void *Fl_Region;
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#else
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typedef unsigned long Fl_Offscreen;
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typedef unsigned long Fl_Bitmask;
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typedef struct _XRegion *Fl_Region;
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#endif // __APPLE__
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/**
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\brief A base class for platform-specific system operations.
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*/
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class FL_EXPORT Fl_System_Driver {
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protected:
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Fl_System_Driver();
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public:
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virtual ~Fl_System_Driver();
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// copy the implementation in Fl_XXX_System_Driver.cxx to the corresponding file for the new platform
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static Fl_System_Driver *driver();
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static const int flNoValue;
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static const int flWidthValue;
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static const int flHeightValue;
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static const int flXValue;
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static const int flYValue;
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static const int flXNegative;
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static const int flYNegative;
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// implement if the system adds unwanted program argument(s)
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virtual int single_arg(const char *arg) { return 0; }
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// implement if the system adds unwanted program argument pair(s)
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virtual int arg_and_value(const char *name, const char *value) { return 0; }
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// implement to process the -display argument
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virtual void display_arg(const char *arg) { }
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// default implementation should be enough
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virtual int XParseGeometry(const char*, int*, int*, unsigned int*, unsigned int*);
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static void warning(const char* format, ...);
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// implement to set the default effect of Fl::warning()
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virtual void warning(const char* format, va_list args);
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static void error(const char* format, ...);
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// implement to set the default effect of Fl::error()
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virtual void error(const char* format, va_list args);
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static void fatal(const char* format, ...);
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// implement to set the default effect of Fl::error()
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virtual void fatal(const char* format, va_list args);
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};
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#endif // FL_SYSTEM_DRIVER_H
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//
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// End of "$Id$".
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//
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