gitkLauncher.c

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#include "config.h"

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

#include <libgitk/gitk.h>

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

gint menu_choice;
gboolean ret=TRUE;

//== various tools =============================================================

gchar *strapp(gchar *src1,gchar *src2) {
  gchar *ret;

  g_assert(src2!=NULL);

  if(src1==NULL) ret=strdup(src2);
  else {
    ret=g_new(gchar,strlen(src1)+strlen(src2)-1);
    strcpy(ret,src1);
    strcat(ret,src2);
    g_free(src1);
  }
  return(ret);
}


//== 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,"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,"Menu")) {
    *(gint *)user_data=(value?atoi(value):0);
  }
  g_free(value);
  return(FALSE);
}


gboolean main_show(char *root) {
  gboolean result=FALSE;
  static gchar *dialog_desc_pre=\
  "<?xml version=\"1.0\" ?>"\
  "<!DOCTYPE giml SYSTEM \"http://gitk.sourceforge.net/giml.dtd\">"\
  "<giml xmlns=\""GITK_NS_URL"\""\
  " xmlns:dc=\"http://purl.org/dc/elements/1.1/\""\
  " xmlns:i18n=\""I18N_NS_URL"\""\
  " >"\
  "  <dialog>"\
  "    <meta>"\
  "      <dc:title><i18n:text>context menu</i18n:text></dc:title"\
  "    </meta>"\
  "    <widgetgroup>"\
  "      <widget id=\"Menu\" type=\"optionchoice_single_expanded\">"\
  "        <label>Menu</label>"\
  "        <options>";
  static gchar *widget_desc_fmt=\
  "          <option>%s</option>";
  static gchar *dialog_desc_post=\
  "        </options>"\
  "      </widget>"\
  "    </widgetgroup>"\
  "  </dialog>"\
  "</giml>";
  gchar *dialog_desc=NULL;

  dialog_desc=strdup(dialog_desc_pre);
  dialog_desc=strapp(dialog_desc,widget_desc_fmt);
  dialog_desc=strapp(dialog_desc,dialog_desc_post);

  {
    gpointer const dialog=gitk_dialog_new_from_string(dialog_desc);
    if(dialog) {
      if(gitk_dialog_show(dialog,FALSE)) {
        gitk_log("dialog parsed and shown");
        //-- global callbacks
        gitk_dialog_attach_callback(NULL,NULL,GITK_EVENT_TYPE_ON_CLOSE,NULL,global_on_close);
        //-- main callbacks
        gitk_dialog_attach_callback(dialog,"Cancel",GITK_EVENT_TYPE_ON_CLICKED,NULL,main_on_clicked);
        gitk_dialog_attach_callback(dialog,"Menu",GITK_EVENT_TYPE_ON_CHANGED,&menu_choice,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());
    }
  }
  g_free(dialog_desc);
  return(result);
}

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

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

  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]);

#ifdef ENABLE_NLS
  {
    gchar *_locale;
    //-- at programm startup locale will be set to "C", this initialises it to the env-var
    //_locale=setlocale(LC_ALL, "de");
    _locale=setlocale(LC_ALL,"");
    bindtextdomain(PACKAGE,LOCALEDIR);
    bind_textdomain_codeset(PACKAGE,"UTF-8");
    textdomain(PACKAGE);
    gitk_log3("\"%s\" NLS enabled for domain \"%s\" in dir \"%s\"",(_locale?_locale:"-"),PACKAGE,LOCALEDIR);
  }
#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(_("  -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);

  if(!info_only) {
    //-- as long as not cancel or close has been issued
    while(ret) {
      //-- show with root dir     
      main_show("/");
      gitk_log2("ret=%d  menu_choice=%3d",ret,menu_choice);
      if(!ret) {
      }
    }
  }

  //-- done gitk
  gitk_done();
  gitk_log("-- end -----------------------\n\n");
  g_log_remove_handler(G_LOG_DOMAIN,logger_id);
  return(EXIT_SUCCESS);
}

---