bc509d32eb
by FLTK_USE_CAIRO everywhere. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8198 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
//
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// "$Id$"
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//
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// Menu window code for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2010 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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// This is the window type used by Fl_Menu to make the pop-ups.
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// It draws in the overlay planes if possible.
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// Also here is the implementation of the mouse & keyboard grab,
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// which are used so that clicks outside the program's windows
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// can be used to dismiss the menus.
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#include <config.h>
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#include <FL/Fl.H>
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#include <FL/x.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Menu_Window.H>
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// WIN32 note: HAVE_OVERLAY is false
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#if HAVE_OVERLAY
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extern XVisualInfo *fl_find_overlay_visual();
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extern XVisualInfo *fl_overlay_visual;
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extern Colormap fl_overlay_colormap;
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extern unsigned long fl_transparent_pixel;
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static GC gc; // the GC used by all X windows
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extern uchar fl_overlay; // changes how fl_color(x) works
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#endif
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#include <stdio.h>
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void Fl_Menu_Window::show() {
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#if HAVE_OVERLAY
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if (!shown() && overlay() && fl_find_overlay_visual()) {
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XInstallColormap(fl_display, fl_overlay_colormap);
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fl_background_pixel = int(fl_transparent_pixel);
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Fl_X::make_xid(this, fl_overlay_visual, fl_overlay_colormap);
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fl_background_pixel = -1;
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} else
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#endif
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Fl_Single_Window::show();
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}
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void Fl_Menu_Window::flush() {
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#if HAVE_OVERLAY
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if (!fl_overlay_visual || !overlay()) {Fl_Single_Window::flush(); return;}
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Fl_X *myi = Fl_X::i(this);
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fl_window = myi->xid;
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if (!gc) {
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gc = XCreateGC(fl_display, myi->xid, 0, 0);
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# if defined(FLTK_USE_CAIRO)
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if(Fl::autolink_context()) Fl::cairo_make_current(gc); // capture gc changes automatically to update the cairo context adequately
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# endif
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}
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fl_gc = gc;
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fl_overlay = 1;
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fl_clip_region(myi->region); myi->region = 0; current_ = this;
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draw();
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fl_overlay = 0;
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#else
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Fl_Single_Window::flush();
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#endif
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}
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/** Erases the window, does nothing if HAVE_OVERLAY is not defined config.h */
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void Fl_Menu_Window::erase() {
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#if HAVE_OVERLAY
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if (!gc || !shown()) return;
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//XSetForeground(fl_display, gc, 0);
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//XFillRectangle(fl_display, fl_xid(this), gc, 0, 0, w(), h());
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XClearWindow(fl_display, fl_xid(this));
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#endif
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}
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// Fix the colormap flashing on Maximum Impact Graphics by erasing the
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// menu before unmapping it:
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void Fl_Menu_Window::hide() {
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erase();
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Fl_Single_Window::hide();
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}
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/** Destroys the window and all of its children.*/
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Fl_Menu_Window::~Fl_Menu_Window() {
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hide();
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}
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//
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// End of "$Id$".
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//
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