gitkHelloUser.c

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#include "config.h"

#include <glib.h>
#include <stdio.h>

#include <libgitk/gitk.h>

/*
intltool-extract --type=gettext/xml gitkHelloUser_main.xml.in
*/

gchar *user_name=NULL;
gchar *sex=NULL;
//gchar *age=NULL;
gboolean ret=TRUE;

//== global event handler ======================================================

gboolean global_on_close(gpointer dialog,gchar *widget_id,GitkEventPtr event,gpointer user_data) {
  gitk_log("global_on_close()");
  ret=FALSE;
  return(TRUE);
}


gboolean global_on_dialog_show(gpointer dialog,gchar *widget_id,GitkEventPtr event,gpointer user_data) {
  gitk_log("global_on_dialog_show()");
  return(TRUE);
}


gboolean global_on_dialog_hide(gpointer dialog,gchar *widget_id,GitkEventPtr event,gpointer user_data) {
  gitk_log("global_on_dialog_hide()");
  return(TRUE);
}


//== main dialog ===============================================================

gboolean main_on_clicked(gpointer dialog,gchar *widget_id,GitkEventPtr event,gpointer user_data) {
  gitk_log1("main_on_clicked(\"%s\")",widget_id);
  if(!strcmp(widget_id,"Okay")) {
    gitk_event_loop_end();
    ret=TRUE;
    return(TRUE);
  }
  else if(!strcmp(widget_id,"Cancel")) {
    gitk_event_loop_end();
    ret=FALSE;
    return(TRUE);
  }
  return(FALSE);
}


gboolean main_on_changed(gpointer dialog,gchar *widget_id,GitkEventPtr event,gpointer user_data) {
  char *value=gitk_widget_get_value(dialog,widget_id,"value");

  gitk_log2("main_on_changed(\"%s\") -> \"%s\"",widget_id, gitk_save_get_string(value));
  if(!strcmp(widget_id,"UserName")) {
    if(*((gchar **)user_data)) g_free(*((gchar **)user_data));
    *((gchar **)user_data)=value;
    return(TRUE);
  }
  else if(!strcmp(widget_id,"Sex")) {
    gint num_value=(value?atoi(value):0);
    if(*((gchar **)user_data)) g_free(*((gchar **)user_data));
    switch(num_value) {
      case 0:  *((gchar **)user_data)=g_strdup(_("Mr"));break;
      case 1:  *((gchar **)user_data)=g_strdup(_("Ms"));break;
      default: *((gchar **)user_data)=g_strdup(_("Mr/Ms"));break;
    }
    g_free(value);
  }
  return(FALSE);
}


gboolean main_show(void) {
  gboolean result=FALSE;

  gpointer const dialog=gitk_dialog_new_from_file(GIML_PATH"gitkHelloUser_main.xml");
  if(dialog) {
    if(gitk_dialog_show(dialog,FALSE)) {
      gitk_log("dialog parsed and shown");
      //-- main callbacks
      gitk_dialog_attach_callback(dialog,"Okay",GITK_EVENT_TYPE_ON_CLICKED,NULL,main_on_clicked);
      gitk_dialog_attach_callback(dialog,"Cancel",GITK_EVENT_TYPE_ON_CLICKED,NULL,main_on_clicked);
      gitk_dialog_attach_callback(dialog,"UserName",GITK_EVENT_TYPE_ON_CHANGED,&user_name,main_on_changed);
      gitk_dialog_attach_callback(dialog,"Sex",GITK_EVENT_TYPE_ON_CHANGED,&sex,main_on_changed);
      //-- start event loop
      gitk_log("run");
      gitk_event_loop_start();
      gitk_log("hiding");
      gitk_dialog_hide(dialog);
      gitk_log("dialog done");
      result=TRUE;
    }
    else {
      //-- couldn't happen
    }
    gitk_dialog_free(dialog);
  }
  else {
    gitk_printf(_("error parsing dialog => %d : %s\n"),gitk_get_error_code(),gitk_get_error_str());
  }
  return(result);
}

//== info message ==============================================================

void info_show(void) {
  gchar *message;

  message=g_new(gchar,strlen(_("Hello %s %s !\n"))+strlen(sex)+strlen(user_name)+1-4);
  sprintf(message,_("Hello %s %s !\n"),sex,user_name);
  gitk_log1("opening message dialog : \"%s\"",message);
  gitk_template_message_with_title(message,_("Greetings"));
  g_free(message);  
}

//== main ======================================================================

int main(int argc, char **argv) {
  guint logger_id;
  guint i;
  gboolean info_only=FALSE;
  gboolean info_help=FALSE, info_version=FALSE;
  gchar *cs;

  logger_id=g_log_set_handler(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG|G_LOG_LEVEL_MESSAGE|G_LOG_LEVEL_WARNING|G_LOG_LEVEL_ERROR, gitk_log_handler, NULL);
  gitk_log("-- beg -----------------------");
  gitk_log1("prog : %s",argv[0]);

  //DEBUG
  /*
  {
    void *dbg_this=dlopen(NULL,RTLD_GLOBAL|RTLD_LAZY);
    printf("function pointer test : local=%p dlsym=%p (%p)\n",global_on_close,dlsym(dbg_this,"global_on_close"),dbg_this);
  }
  */
  //DEBUG 

#ifdef ENABLE_NLS
  {
    gchar *_locale;
    //-- at programm startup locale will be set to "C", this initialises it from the env-var
    _locale=setlocale(LC_ALL, "");
    bindtextdomain(PACKAGE,LOCALEDIR);
    bind_textdomain_codeset(PACKAGE,"UTF-8");
    textdomain(PACKAGE);
    cs=nl_langinfo(CODESET);
    gitk_log3("\"%s\" NLS enabled for domain \"%s\" in dir \"%s\"",(_locale?_locale:"-"),PACKAGE,LOCALEDIR);
    gitk_log1("locale codeset is \"%s\"",cs);
  }
#else
  cs="ISO-8859-1";
#endif

  //-- process commandline args
  for(i=1;i<(guint)argc;i++) {
    if(!strcmp("--help", argv[i]) || !strcmp("-h", argv[i])) {
      info_only=info_help=TRUE;
    }
    else if(!strcmp("--version", argv[i])) {
      info_only=info_version=TRUE;
    }
  }
  if(info_help) {
    gitk_printf(_("Usage: %s [OPTION...]\n\n"),argv[0]);
    gitk_puts(_("A demo application for the GITK (Generalized Interface ToolKit - see http://gitk.sf.net)."));
    gitk_puts(_("It presents a simple form-dialog, followed by a confirmative message.\n"));
    gitk_puts(_("  -h, --help\t\t\tthis help screen"));
    gitk_puts(_("      --version\t\t\tshow program version"));
    putchar('\n');
  }
  if(info_version) printf(PACKAGE_NAME"::%s: version "PACKAGE_VERSION" by "PACKAGE_BUGREPORT"\n",argv[0]); 

  //-- init gitk
  gitk_init((guint *)&argc,&argv,PACKAGE,LOCALEDIR);
  gitk_log("init ok ---------------------------");

  if(!info_only) {
    //-- global callbacks
    gitk_dialog_attach_callback(NULL,NULL,GITK_EVENT_TYPE_ON_CLOSE,NULL,global_on_close);
    gitk_dialog_attach_callback(NULL,NULL,GITK_EVENT_TYPE_ON_DIALOG_SHOW,NULL,global_on_dialog_show);
    gitk_dialog_attach_callback(NULL,NULL,GITK_EVENT_TYPE_ON_DIALOG_HIDE,NULL,global_on_dialog_hide);

    if(main_show() && user_name && sex) {
      gitk_log("main finished ---------------------");
      if(ret) info_show(); 
    }
    else {
      gitk_log("main aborted ----------------------");
      if(!user_name) gitk_log("  no user_name");
      if(!sex) gitk_log("  no sex");
    }
  
    //-- done gitk
    gitk_done();
  
    //-- do output after gitk-done !!
    if(user_name && sex && *user_name && *sex) {
      char *s1,*s2;
      //-- show result
      s1=g_convert(sex,-1,cs,"UTF-8",NULL,NULL,NULL);
      s2=g_convert(user_name,-1,cs,"UTF-8",NULL,NULL,NULL);
      if(s1 && s2) gitk_printf(_("Hello %s %s !\n"),s1,s2);
      g_free(s1);g_free(s2);
    }
    //-- free data
    g_free(user_name);
    g_free(sex);
  }
  else {
    //-- done gitk
    gitk_done();
  }
  gitk_log("-- end -----------------------\n\n");
  g_log_remove_handler(G_LOG_DOMAIN,logger_id);
  return(EXIT_SUCCESS);
}

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