7657a2e4a5
Applied some damage bit fixes from Bill Spitzak. git-svn-id: file:///fltk/svn/fltk/trunk@28 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
//
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// "$Id: x.H,v 1.5 1998/10/21 14:19:51 mike Exp $"
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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 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 to "fltk-bugs@easysw.com".
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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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#else
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include "Fl_Window.H"
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void fl_open_display();
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void fl_close_display();
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// constant info about the X server connection:
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extern Display *fl_display;
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extern int fl_screen;
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extern XVisualInfo *fl_visual;
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extern Colormap fl_colormap;
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// drawing functions:
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extern GC fl_gc;
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extern Window fl_window;
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ulong fl_xpixel(Fl_Color i);
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ulong fl_xpixel(uchar r, uchar g, uchar b);
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void fl_clip_region(Region);
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// feed events into fltk:
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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 const XEvent* fl_xevent;
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extern ulong fl_event_time;
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// off-screen pixmaps: create, destroy, draw into, copy to window:
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#define Fl_Offscreen ulong
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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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// 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_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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Region region;
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Fl_X *next;
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int wait_for_expose;
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static Fl_X* first;
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static Fl_X* i(const Fl_Window* w) {return w->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* w, int X) {w->x(X);}
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static void y(Fl_Window* w, int Y) {w->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_Window* fl_find(Window xid);
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extern char fl_override_redirect; // hack into Fl_X::make_xid()
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extern int fl_background_pixel; // hack into Fl_X::make_xid()
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#endif
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#endif
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//
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// End of "$Id: x.H,v 1.5 1998/10/21 14:19:51 mike Exp $".
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//
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