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fltk/FL/porting.H
Matthias Melcher 53859c584f Add support for SDL as a base library on OS X. 
This commit adds the basic setup in CMake to allow SDL as a base
library for FLTK on OS X (and probably for other platforms as well).

The SDL library driver set is derived from yet another new driver
set named 'Pico'. 'Pico' is a base class for a driver that will
allow porting of FLTK with the tinyest amount of effort. This 
implementation of the SDL driver shall be documented very well
to explain the porting process.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11262 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-03-02 00:54:37 +00:00

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//
// "$Id$"
//
// Mac header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2015 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Do not directly include this file, instead use <FL/x.H>.
// This file can be used as a template when porting FLTK to a new platform
#if !defined(Fl_X_H)
# error "Never use <FL/porting.H> directly; include <FL/x.H> instead."
#endif // !Fl_X_H
#if !(defined(FL_LIBRARY) || defined(FL_INTERNALS)) // this part is used when compiling an application program
# include <FL/Fl_Widget.H>
typedef void *Fl_Region;
typedef void *Fl_Offscreen;
#else // this part must be compiled when building the FLTK libraries
typedef void *Fl_Region;
typedef void *Fl_Offscreen;
# include "Fl_Window.H"
# include "../src/Fl_Font.H"
// Some random X equivalents
struct XPoint { int x, y; };
struct XRectangle {int x, y, width, height;};
typedef void *Window;
//typedef float CGFloat;
inline Fl_Region XRectangleRegion(int x, int y, int w, int h) {
// write code here
return 0L;
}
inline void XDestroyRegion(Fl_Region r) {
// write code here
}
extern void *fl_default_cursor;
// This object contains all platform-specific stuff about a window:
// WARNING: this object is highly subject to change!
class Fl_X {
public:
Window xid; // pointer to the native window object (FLWindow*)
Fl_Offscreen other_xid; // pointer for offscreen bitmaps (overlay window)
Fl_Window *w; // FLTK window for
Fl_Region region;
//#if FLTK_ABI_VERSION < 10304
// Fl_Region subRegion; // for ABI compatibility, recycled to replace subRect_
//#endif
Fl_X *next; // chain of mapped windows
//#if FLTK_ABI_VERSION < 10304
// Fl_X *xidChildren; // useless with true subwindows, recycled to replace mapped_to_retina_
// Fl_X *xidNext; // useless with true subwindows
//#endif
int wait_for_expose;
// NSCursor *cursor;
static Fl_X* first;
static Fl_X* i(const Fl_Window* w) {return (Fl_X*)w->i;}
static int fake_X_wm(const Fl_Window*,int&,int&,int&,int&,int&);
static Fl_X* make(Fl_Window*);
void flush();
//#if FLTK_ABI_VERSION >= 10304
// CGRect* subRect() { return subRect_; } // getter
// void subRect(CGRect *r) { subRect_ = r; } // setter
//#else
// CGRect* subRect() { return (CGRect*)subRegion; } // getter
// void subRect(CGRect *r) { subRegion = (Fl_Region)r; } // setter
//#endif
// bool mapped_to_retina(); // is window mapped to retina display?
// void mapped_to_retina(bool); // sets whether window is mapped to retina display
// bool changed_resolution(); // did window just moved to display with another resolution?
// void changed_resolution(bool);// sets whether window just moved to display with another resolution
// bool in_windowDidResize(); // is window performing windowDidResize?
// void in_windowDidResize(bool); // sets whether window is performing windowDidResize
// // Quartz additions:
// CGContextRef gc; // graphics context (NULL when using QD)
// static void q_release_context(Fl_X *x=0); // free all resources associated with fl_gc
// // Cocoa additions
// static NSOpenGLPixelFormat *mode_to_NSOpenGLPixelFormat(int mode, const int*); // computes NSOpenGLPixelFormat from Gl window's mode
// static NSOpenGLContext* create_GLcontext_for_window(NSOpenGLPixelFormat *pixelformat, NSOpenGLContext *shared_ctx, Fl_Window *window);
// static void GLcontext_update(NSOpenGLContext*);
// static void GLcontext_flushbuffer(NSOpenGLContext*);
// static void GLcontext_release(NSOpenGLContext*);
// static void GLcontext_makecurrent(NSOpenGLContext*);
// static void GL_cleardrawable(void);
// void destroy(void);
// void map(void);
// void unmap(void);
// void collapse(void);
// WindowRef window_ref(void); // useless with cocoa GL windows
// void set_key_window(void);
// // OS X doesn't have per window icons
static void set_default_icons(const Fl_RGB_Image*[], int);
void set_icons();
int set_cursor(Fl_Cursor);
int set_cursor(const Fl_RGB_Image*, int, int);
// static CGImageRef CGImage_from_window_rect(Fl_Window *win, int x, int y, int w, int h);
// static unsigned char *bitmap_from_window_rect(Fl_Window *win, int x, int y, int w, int h, int *bytesPerPixel);
// static Fl_Region intersect_region_and_rect(Fl_Region current, int x,int y,int w, int h);
// static void *get_carbon_function(const char *name);
// static void screen_work_area(int &X, int &Y, int &W, int &H, int n); // compute work area of a given screen
// static int next_marked_length; // next length of marked text after current marked text will have been replaced
// static int insertion_point_location(int *px, int *py, int *pheight); // computes window coordinates & height of insertion point
// static const int CoreText_threshold; // Mac OS version from which the Core Text API is used to display text
// static Fl_Fontdesc* calc_fl_fonts(void); // computes the fl_fonts global variable
// static int dnd(int use_selection); // call Fl_X::dnd(1) to support text dragging
// static int calc_mac_os_version(void); // computes the fl_mac_os_version global variable
// static void clip_to_rounded_corners(CGContextRef gc, int w, int h);
};
extern Window fl_window;
#endif // FL_LIBRARY || FL_INTERNALS
typedef void *Fl_Bitmask;
extern void *fl_gc;
extern Window fl_xid(const Fl_Window*);
extern Fl_Window* fl_find(Window xid);
void fl_clip_region(Fl_Region);
extern Fl_Bitmask fl_create_bitmask(int w, int h, const uchar *data);
extern Fl_Bitmask fl_create_alphamask(int w, int h, int d, int ld, const uchar *data);
extern void fl_delete_bitmask(Fl_Bitmask bm);
extern Fl_Offscreen fl_create_offscreen(int w, int h);
extern void fl_copy_offscreen(int x,int y,int w,int h, Fl_Offscreen gWorld, int srcx,int srcy);
extern void fl_delete_offscreen(Fl_Offscreen gWorld);
extern void fl_begin_offscreen(Fl_Offscreen gWorld);
extern void fl_end_offscreen();
extern int fl_parse_color(const char* p, uchar& r, uchar& g, uchar& b);
extern void fl_open_display();
/*
The following symbols are not found if we naively compile the core modules and
no specific platform implementations. This list is a hint at all the functions
and methods that probably need to be refactored into the driver system.
Undefined symbols for architecture x86_64:
"fl_set_spot(int, int, int, int, int, int, Fl_Window*)", referenced from:
Fl_Input_::drawtext(int, int, int, int) in libfltkd.a(Fl_Input_.o)
Fl_Input_::handletext(int, int, int, int, int) in libfltkd.a(Fl_Input_.o)
"fl_reset_spot()", referenced from:
Fl_Input_::handletext(int, int, int, int, int) in libfltkd.a(Fl_Input_.o)
"fl_filename_name(char const*)", referenced from:
Fl_Window::show(int, char**) in libfltkd.a(Fl_arg.o)
"fl_clipboard_notify_change()", referenced from:
Fl::add_clipboard_notify(void (*)(int, void*), void*) in libfltkd.a(Fl.o)
Fl::remove_clipboard_notify(void (*)(int, void*)) in libfltkd.a(Fl.o)
"Fl_Screen_Driver::newScreenDriver()", referenced from:
Fl::screen_driver() in libfltkd.a(Fl.o)
"Fl_Graphics_Driver::newMainGraphicsDriver()", referenced from:
Fl_Display_Device::display_device() in libfltkd.a(Fl_Device.o)
"Fl_Graphics_Driver::global_gc()", referenced from:
Fl_Surface_Device::set_current() in libfltkd.a(Fl_Device.o)
"Fl::dnd()", referenced from:
Fl_Input::handle(int) in libfltkd.a(Fl_Input.o)
"Fl::copy(char const*, int, int, char const*)", referenced from:
Fl::selection(Fl_Widget&, char const*, int) in libfltkd.a(Fl.o)
Fl_Input_::copy(int) in libfltkd.a(Fl_Input_.o)
Fl_Input_::copy_cuts() in libfltkd.a(Fl_Input_.o)
"Fl::paste(Fl_Widget&, int, char const*)", referenced from:
Fl::paste(Fl_Widget&) in libfltkd.a(Fl.o)
Fl_Input::kf_paste() in libfltkd.a(Fl_Input.o)
Fl_Input::handle(int) in libfltkd.a(Fl_Input.o)
"Fl::get_mouse(int&, int&)", referenced from:
Fl_Screen_Driver::screen_xywh(int&, int&, int&, int&) in libfltkd.a(Fl_Screen_Driver.o)
Fl_Screen_Driver::screen_work_area(int&, int&, int&, int&) in libfltkd.a(Fl_Screen_Driver.o)
Fl_Window::hotspot(int, int, int) in libfltkd.a(Fl_Window_hotspot.o)
"Fl::set_color(unsigned int, unsigned int)", referenced from:
Fl::set_color(unsigned int, unsigned char, unsigned char, unsigned char) in libfltkd.a(fl_color.o)
Fl::background2(unsigned char, unsigned char, unsigned char) in libfltkd.a(Fl_get_system_colors.o)
"Fl_X::set_cursor(Fl_Cursor)", referenced from:
Fl_Window::cursor(Fl_Cursor) in libfltkd.a(fl_cursor.o)
"Fl_X::set_cursor(Fl_RGB_Image const*, int, int)", referenced from:
Fl_Window::cursor(Fl_RGB_Image const*, int, int) in libfltkd.a(fl_cursor.o)
"Fl_X::set_default_icons(Fl_RGB_Image const**, int)", referenced from:
Fl_Window::default_icons(Fl_RGB_Image const**, int) in libfltkd.a(Fl_Window.o)
"Fl_X::flush()", referenced from:
Fl::flush() in libfltkd.a(Fl.o)
"Fl_X::set_icons()", referenced from:
Fl_Window::icons(Fl_RGB_Image const**, int) in libfltkd.a(Fl_Window.o)
"Fl_Window::size_range_()", referenced from:
Fl_Window::size_range(int, int, int, int, int, int, int) in libfltkd.a(fl_ask.o)
"Fl_Window::fullscreen_x()", referenced from:
Fl_Window::fullscreen() in libfltkd.a(Fl_Window_fullscreen.o)
Fl_Window::fullscreen_screens(int, int, int, int) in libfltkd.a(Fl_Window_fullscreen.o)
"Fl_Window::make_current()", referenced from:
Fl_Window::flush() in libfltkd.a(Fl.o)
Fl_Double_Window::flush(int) in libfltkd.a(Fl_Double_Window.o)
traverse_to_gl_subwindows(Fl_Group*, unsigned char*, int, int, int, int, int, Fl_RGB_Image*) in libfltkd.a(fl_read_image.o)
Fl_Widget_Surface::print_window_part(Fl_Window*, int, int, int, int, int, int) in libfltkd.a(Fl_Widget_Surface.o)
"Fl_Window::fullscreen_off_x(int, int, int, int)", referenced from:
Fl_Window::fullscreen_off(int, int, int, int) in libfltkd.a(Fl_Window_fullscreen.o)
"Fl_Window::show()", referenced from:
vtable for Fl_Window in libfltkd.a(Fl_Window_shape.o)
Fl_Double_Window::show() in libfltkd.a(Fl_Double_Window.o)
Fl_Single_Window::show() in libfltkd.a(Fl_Single_Window.o)
"Fl_Window::label(char const*, char const*)", referenced from:
Fl_Window::label(char const*) in libfltkd.a(Fl_Window.o)
Fl_Window::copy_label(char const*) in libfltkd.a(Fl_Window.o)
Fl_Window::iconlabel(char const*) in libfltkd.a(Fl_Window.o)
"Fl_Window::resize(int, int, int, int)", referenced from:
vtable for Fl_TooltipBox in libfltkd.a(Fl_Tooltip.o)
vtable for Fl_Window in libfltkd.a(Fl_Window_shape.o)
vtable for Fl_Menu_Window in libfltkd.a(Fl_Menu_Window.o)
Fl_Double_Window::resize(int, int, int, int) in libfltkd.a(Fl_Double_Window.o)
vtable for menutitle in libfltkd.a(Fl_Menu.o)
vtable for menuwindow in libfltkd.a(Fl_Menu.o)
vtable for Fl_Single_Window in libfltkd.a(Fl_Single_Window.o)
...
"Fl_Window::current_", referenced from:
Fl_Window::current() in libfltkd.a(Fl_Window.o)
"vtable for Fl_Image_Surface", referenced from:
Fl_Image_Surface::Fl_Image_Surface(int, int, int) in libfltkd.a(Fl_Image_Surface.o)
NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
"_fl_show_iconic", referenced from:
Fl::arg(int, char**, int&) in libfltkd.a(Fl_arg.o)
"_fl_window", referenced from:
fl_read_image(unsigned char*, int, int, int, int, int) in libfltkd.a(fl_read_image.o)
Fl_Image_Surface::set_current() in libfltkd.a(Fl_Image_Surface.o)
Fl_Image_Surface::end_current() in libfltkd.a(Fl_Image_Surface.o)
*/
//
// End of "$Id$".
//
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