help.c

linux上实现的多种型号的AVR模拟器

/*
 File        : help.c

 Author      : Sergiy Uvarov - Copyright (C) 2001

 Description : Creating help menu.

 Copyright notice:

 avr_simulator - A GNU/Linux simulator for the Atmel AVR series
 of microcontrollers. Copyright (C) 2001 Sergey Uvarov

 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 Sergiy Uvarov

 E-mail : [e-mail]
*/

#include <stdio.h>
#include <stdlib.h>
#include <libintl.h>
#include <Xm/XmAll.h>
#include "help.h"

#define _(x) gettext(x)

Widget about_window;

static void freeMem(Widget wg, XtPointer client, XtPointer call)
{
  XtFree(client);
}

XtArgVal cvtResourceFromString(Widget wg, char *type, char *value)
{
  XtArgVal v;
  XrmValue from, to;

  from.addr = value;
  from.size = strlen(value)+1;
  to.addr = (XPointer)&v;
  to.size = sizeof(v);

  if(XtConvertAndStore(wg, XtRString, &from, type, &to)) {
    return v;
  } else {
    from.addr = value;
    from.size = strlen(value)+1;
    to.addr = NULL;        /* Converter will allocate the storage */
    to.size = 0;

    if(XtConvertAndStore(wg, XtRString, &from, type, &to)) 
      {
	void *mem;
	mem = XtMalloc(to.size);      /* Copy private storage */
	memcpy(mem, to.addr, to.size);
	XtAddCallback(wg, XmNdestroyCallback, freeMem, mem);
	return (XtArgVal)mem;
      }
  }


  printf("Can't convert %s to %s.\n", value, type);
  return 0;
}

void create_about(void)
{
  Widget shell,frame,button,label,form;
  XmString strings[10];
  Pixel pixel[10];
  int n;
  Arg args[10];
  XmRenderTable render_table;
  XmRendition renditions[10];
  XmString string;
 
  
  shell=XtVaCreateWidget("Shell",xmDialogShellWidgetClass,toplevel,
			 XmNtitle,_("About"),NULL);
  about_window=XtVaCreateWidget("form",xmFormWidgetClass,shell,
				XmNdialogStyle,XmDIALOG_MODELESS,
				XmNresizePolicy,XmRESIZE_NONE,
				NULL);
   
  frame=XtVaCreateManagedWidget("frame",xmFrameWidgetClass,about_window,
				XmNtopAttachment,XmATTACH_FORM,
				XmNtopOffset,10,
				XmNleftAttachment,XmATTACH_FORM,
				XmNleftOffset,10,
				XmNrightAttachment,XmATTACH_FORM,
				XmNrightOffset,10,NULL);
 
  pixel[0]=cvtResourceFromString(frame,"Pixel","#f0f0f0");
  pixel[1]=cvtResourceFromString(frame,"Pixel","#3055f0");
  n=0;
  XtSetArg(args[n],XmNrenditionForeground,pixel[1]);n++;
  /*  XtSetArg(args[n],XmNfont,"misc");n++; */
  XtSetArg(args[n],XmNfontName,"fixed");n++;
  XtSetArg(args[n],XmNfontType,XmFONT_IS_FONT);n++;
  renditions[0]=XmRenditionCreate(frame,(XmStringTag)"Big_rendition",args,n);
  render_table=XmRenderTableAddRenditions(NULL,renditions,1,XmMERGE_REPLACE);


  form=XtVaCreateManagedWidget("form",xmFormWidgetClass,frame,
			XmNbackground,pixel[0],NULL);

  strings[0]=XmStringGenerate( "                  AVR Simulator V1.3.1\n\n",NULL,
			       XmCHARSET_TEXT,"Big_rendition");
  strings[1]=XmStringGenerate(" 
 AVR Simulator - A GNU/Linux simulator for the Atmel AVR series  
 of microcontrollers. 

 This program was developed as the graduated work. 
 Copyright (C) 2001 Sergiy Uvarov          

 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., 59 Temple Place - Suite 330, Boston,
 MA 02111-1307, USA.
 
 Sergiy Uvarov

 Web site: 
 E-mail  : [e-mail]\n",
			     XmFONTLIST_DEFAULT_TAG,
			     XmCHARSET_TEXT,_MOTIF_DEFAULT_LOCALE);
  XmStringConcatAndFree(strings[0],strings[1]);
  label=XtVaCreateManagedWidget("label",xmLabelGadgetClass,form,
				XmNtopAttachment,XmATTACH_FORM,
				XmNleftAttachment,XmATTACH_FORM,
				XmNrightAttachment,XmATTACH_FORM,
				XmNbottomAttachment,XmATTACH_FORM,
				XmNrenderTable,render_table,
				XmNlabelString,strings[0],
				XmNalignment,XmALIGNMENT_BEGINNING,NULL);

  
  XmStringFree(strings[0]);

  
  string=XmStringGenerate(_("  Close  "),XmFONTLIST_DEFAULT_TAG,
			  XmCHARSET_TEXT,_MOTIF_DEFAULT_LOCALE);
  button=XtVaCreateManagedWidget("Close",xmPushButtonGadgetClass,about_window,
				 XmNbottomAttachment,XmATTACH_FORM,
				 XmNbottomOffset,10,
				 XmNleftAttachment,XmATTACH_POSITION,
				 XmNleftPosition,40,
				 XmNrightAttachment,XmATTACH_POSITION,
				 XmNrightPosition,60,
				 XmNhighlightThickness,1,
				 XmNlabelString,string,
				 XmNshadowThickness,1,NULL);
  XmStringFree(string);

  XtVaSetValues(frame,XmNbottomAttachment,XmATTACH_WIDGET,
		XmNbottomWidget,button,XmNbottomOffset,10,NULL);

}