basewindow.cc

来自「蒙特卡洛仿真源代码很有参考价值要按照步骤进行操作」· CC 代码 · 共 114 行

//  Basewindow.cc for bbtools.
//
//  Copyright (c) 1998-2000 by John Kennis, [e-mail]
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// (See the included file COPYING / GPL-2.0)
//
#include "Basewindow.hh"
#include "resource.hh"

#ifdef    HAVE_SIGNAL_H
#  include <signal.h>
#endif // HAVE_SIGNAL_H

#ifdef    HAVE_SYS_SIGNAL_H
#  include <sys/signal.h>
#endif // HAVE_SYS_SIGNAL_H

#ifndef   SA_NODEFER
#  ifdef   SA_INTERRUPT
#    define SA_NODEFER SA_INTERRUPT
#  else // !SA_INTERRUPT
#    define SA_NODEFER (0)
#  endif // SA_INTERRUPT
#endif // SA_NODEFER


static int handleXErrors(Display *, XErrorEvent *);

Basewindow::Basewindow(int argc,char **argv,struct CMDOPTIONS *options)
		: BaseDisplay(options->app_name,options->display_name)
{
	iargc=argc;
	iargv=argv;
	config_filename=NULL;
	position=options->geometry;
	withdrawn=options->withdrawn;
	shape=options->shape;
	decorated=options->decorated;
	config_file=options->config_file;
	nobb_config=options->nobb_config;
	current_screen_info = getScreenInfo(DefaultScreen(getXDisplay()));
	XSetErrorHandler((XErrorHandler) handleXErrors);

	wm_delete_window = XInternAtom (getXDisplay(), "WM_DELETE_WINDOW",False);
}

Basewindow::~Basewindow()
{}


Bool Basewindow::handleSignal(int sig)
{
	switch (sig) {
	case SIGHUP:
		reconfigure();
		break;

	case SIGSEGV:
	case SIGFPE:
	case SIGINT:
	case SIGTERM:
		shutdown();

	default:
		return False;
	}

	return True;
}


void Basewindow::process_event(XEvent *event)
{}


void Basewindow::setupImageControl()
{
	image_control = new BImageControl(this,getCurrentScreenInfo(),image_dither,
	                                  colors_per_channel);
	image_control->installRootColormap();
}


// X error handler to handle any and all X errors while blackbox is running
static int handleXErrors(Display *d, XErrorEvent *e)
{
#ifdef DEBUG
	char errtxt[128];
	XGetErrorText(d, e->error_code, errtxt, 128);
	fprintf(stderr,
	        "bbsmount:  [ X Error event received. ]\n"
	        "  X Error of failed request:  %d %s\n"
	        "  Major/minor opcode of failed request:  %d / %d\n"
	        "  Resource id in failed request:  0x%lx\n", e->error_code, errtxt,
	        e->request_code, e->minor_code, e->resourceid);
#endif
	return(False);
}