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- //
- // "$Id: Fl_Menu_Window.cxx,v 1.8 1999/02/03 08:43:33 bill Exp $"
- //
- // Menu window code for the Fast Light Tool Kit (FLTK).
- //
- // Copyright 1998-1999 by Bill Spitzak and others.
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Library General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- // Library General Public License for more details.
- //
- // You should have received a copy of the GNU Library General Public
- // License along with this library; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- // USA.
- //
- // Please report all bugs and problems to "fltk-bugs@easysw.com".
- //
-
- // This is the window type used by Fl_Menu to make the pop-ups.
- // It draws in the overlay planes if possible.
-
- // Also here is the implementation of the mouse & keyboard grab,
- // which are used so that clicks outside the program's windows
- // can be used to dismiss the menus.
-
- #include <config.h>
- #include <FL/Fl.H>
- #include <FL/x.H>
- #include <FL/fl_draw.H>
- #include <FL/Fl_Menu_Window.H>
-
- // WIN32 note: HAVE_OVERLAY is false
- #if HAVE_OVERLAY
- extern XVisualInfo *fl_find_overlay_visual();
- extern XVisualInfo *fl_overlay_visual;
- extern Colormap fl_overlay_colormap;
- extern unsigned long fl_transparent_pixel;
- static GC gc; // the GC used by all X windows
- extern uchar fl_overlay; // changes how fl_color(x) works
- #endif
-
- #include <stdio.h>
-
- void Fl_Menu_Window::show() {
- #if HAVE_OVERLAY
- if (!shown() && overlay() && fl_find_overlay_visual()) {
- XInstallColormap(fl_display, fl_overlay_colormap);
- fl_background_pixel = int(fl_transparent_pixel);
- Fl_X::make_xid(this, fl_overlay_visual, fl_overlay_colormap);
- fl_background_pixel = -1;
- } else
- #endif
- Fl_Single_Window::show();
- }
-
- void Fl_Menu_Window::flush() {
- #if HAVE_OVERLAY
- if (!fl_overlay_visual || !overlay()) {Fl_Single_Window::flush(); return;}
- Fl_X *i = Fl_X::i(this);
- fl_window = i->xid;
- if (!gc) gc = XCreateGC(fl_display, i->xid, 0, 0);
- fl_gc = gc;
- fl_overlay = 1;
- fl_clip_region(i->region); i->region = 0;
- draw();
- fl_overlay = 0;
- #else
- Fl_Single_Window::flush();
- #endif
- }
-
- void Fl_Menu_Window::erase() {
- #if HAVE_OVERLAY
- if (!gc || !shown()) return;
- //XSetForeground(fl_display, gc, 0);
- //XFillRectangle(fl_display, fl_xid(this), gc, 0, 0, w(), h());
- XClearWindow(fl_display, fl_xid(this));
- #endif
- }
-
- // Fix the colormap flashing on Maximum Impact Graphics by erasing the
- // menu before unmapping it:
- void Fl_Menu_Window::hide() {
- erase();
- Fl_Single_Window::hide();
- }
-
- Fl_Menu_Window::~Fl_Menu_Window() {
- hide();
- }
-
- //
- // End of "$Id: Fl_Menu_Window.cxx,v 1.8 1999/02/03 08:43:33 bill Exp $".
- //
-