148 lines
4.9 KiB
C++
148 lines
4.9 KiB
C++
//
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// "$Id: x.H 4288 2005-04-16 00:13:17Z mike $"
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//
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// X11 header file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2005 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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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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// These are internal fltk symbols that are necessary or useful for
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// calling Xlib. You should include this file if (and ONLY if) you
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// need to call Xlib directly. These symbols may not exist on non-X
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// systems.
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#ifndef Fl_X_H
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# define Fl_X_H
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# include "Enumerations.H"
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# ifdef WIN32
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# include "win32.H"
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# elif defined(__APPLE__)
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# include "mac.H"
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# else
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# if defined(_ABIN32) || defined(_ABI64) // fix for broken SGI Irix X .h files
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# pragma set woff 3322
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# endif
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# include <X11/Xlib.h>
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# include <X11/Xutil.h>
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# if defined(_ABIN32) || defined(_ABI64)
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# pragma reset woff 3322
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# endif
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# include <X11/Xatom.h>
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# include "Fl_Window.H"
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// Mirror X definition of Region to Fl_Region, for portability...
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typedef Region Fl_Region;
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FL_EXPORT void fl_open_display();
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FL_EXPORT void fl_open_display(Display*);
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FL_EXPORT void fl_close_display();
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// constant info about the X server connection:
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extern FL_EXPORT Display *fl_display;
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extern FL_EXPORT Window fl_message_window;
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extern FL_EXPORT int fl_screen;
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extern FL_EXPORT XVisualInfo *fl_visual;
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extern FL_EXPORT Colormap fl_colormap;
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// drawing functions:
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extern FL_EXPORT GC fl_gc;
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extern FL_EXPORT Window fl_window;
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extern FL_EXPORT XFontStruct* fl_xfont;
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FL_EXPORT ulong fl_xpixel(Fl_Color i);
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FL_EXPORT ulong fl_xpixel(uchar r, uchar g, uchar b);
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FL_EXPORT void fl_clip_region(Fl_Region);
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FL_EXPORT Fl_Region fl_clip_region();
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FL_EXPORT Fl_Region XRectangleRegion(int x, int y, int w, int h); // in fl_rect.cxx
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// feed events into fltk:
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FL_EXPORT int fl_handle(const XEvent&);
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// you can use these in Fl::add_handler() to look at events:
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extern FL_EXPORT const XEvent* fl_xevent;
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extern FL_EXPORT ulong fl_event_time;
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// off-screen pixmaps: create, destroy, draw into, copy to window:
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typedef ulong Fl_Offscreen;
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#define fl_create_offscreen(w,h) \
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XCreatePixmap(fl_display, fl_window, w, h, fl_visual->depth)
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// begin/end are macros that save the old state in local variables:
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# define fl_begin_offscreen(pixmap) \
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Window _sw=fl_window; fl_window=pixmap; fl_push_no_clip()
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# define fl_end_offscreen() \
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fl_pop_clip(); fl_window = _sw
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# define fl_copy_offscreen(x,y,w,h,pixmap,srcx,srcy) \
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XCopyArea(fl_display, pixmap, fl_window, fl_gc, srcx, srcy, w, h, x, y)
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# define fl_delete_offscreen(pixmap) XFreePixmap(fl_display, pixmap)
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// Bitmap masks
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typedef ulong Fl_Bitmask;
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extern FL_EXPORT Fl_Bitmask fl_create_bitmask(int w, int h, const uchar *data);
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extern FL_EXPORT Fl_Bitmask fl_create_alphamask(int w, int h, int d, int ld, const uchar *data);
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extern FL_EXPORT void fl_delete_bitmask(Fl_Bitmask bm);
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// this object contains all X-specific stuff about a window:
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// Warning: this object is highly subject to change! It's definition
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// is only here so that fl_xid can be declared inline:
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class FL_EXPORT Fl_X {
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public:
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Window xid;
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Window other_xid;
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Fl_Window *w;
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Fl_Region region;
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Fl_X *next;
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char wait_for_expose;
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char backbuffer_bad; // used for XDBE
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static Fl_X* first;
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static Fl_X* i(const Fl_Window* wi) {return wi->i;}
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void setwindow(Fl_Window* wi) {w=wi; wi->i=this;}
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void sendxjunk();
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static void make_xid(Fl_Window*,XVisualInfo* =fl_visual, Colormap=fl_colormap);
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static Fl_X* set_xid(Fl_Window*, Window);
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// kludges to get around protection:
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void flush() {w->flush();}
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static void x(Fl_Window* wi, int X) {wi->x(X);}
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static void y(Fl_Window* wi, int Y) {wi->y(Y);}
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};
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// convert xid <-> Fl_Window:
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inline Window fl_xid(const Fl_Window*w) {return Fl_X::i(w)->xid;}
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FL_EXPORT Fl_Window* fl_find(Window xid);
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extern FL_EXPORT char fl_override_redirect; // hack into Fl_X::make_xid()
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extern FL_EXPORT int fl_background_pixel; // hack into Fl_X::make_xid()
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// Dummy function to register a function for opening files via the window manager...
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inline void fl_open_callback(void (*)(const char *)) {}
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extern FL_EXPORT int fl_parse_color(const char* p, uchar& r, uchar& g, uchar& b);
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# endif
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#endif
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//
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// End of "$Id: x.H 4288 2005-04-16 00:13:17Z mike $".
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//
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