gitkrwoptionchoice.c

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#define GITK_RENDERER_C
#define GITKR_WIDGET_OPTIONCHOICE_C

#include "gitkrincludes.h"

void gitkr_widget_optionchoice_new(GitkrGtkWidgetPtr widget,gchar *id,GitkDialogPtr dialog,gchar *label,GtkContainer *container,gboolean box_vert,xmlNodePtr node) {
  GtkWidget *sub_container;
  GtkWidget *widget_label;
  GtkWidget *widget_menu;
  gchar *value=gitk_widget_get_value(dialog,id,"value");
  GList *choices;
  GList *choice;
  gint cur_value;

  //-- determine selected entry
  cur_value=(value?atoi(value):0);
  g_free(value);

  gitkr_widget_new(widget,id,dialog);

  //if(box_vert) sub_container=gtk_vbox_new(FALSE, /*spacing=*/3);
  //else sub_container=gtk_hbox_new(FALSE, /*spacing=*/3);
  sub_container=gtk_hbox_new(FALSE, /*spacing=*/3);
  //gtk_box_pack_start_defaults(GTK_BOX(container),sub_container);
  gtk_container_add(container,sub_container);

  widget_label=gtk_label_new(label);
  //gtk_box_pack_start_defaults(GTK_BOX(sub_container),widget->impl);
  gtk_container_add(GTK_CONTAINER(sub_container),widget_label);

  widget_menu=gtk_menu_new();
  //-- build list of values
  choices=gitkr_widget_optionchoice_get_choices(widget,node);
  gitk_log1("  combo entries %2d",g_list_length(choices));
  choice=g_list_first(choices);
  while(choice) {
    GtkWidget *menu_item=gtk_menu_item_new_with_label(choice->data);
    gtk_menu_shell_append(GTK_MENU_SHELL(widget_menu),menu_item);
    choice=g_list_next(choice);
  }

  widget->impl=gtk_option_menu_new();
  gtk_option_menu_set_menu(GTK_OPTION_MENU(widget->impl),widget_menu);
  //-- set initial value
  gtk_option_menu_set_history(GTK_OPTION_MENU(widget->impl),cur_value);

  //-- signal handler
  gtk_signal_connect(GTK_OBJECT(widget->impl),"changed",GTK_SIGNAL_FUNC(sighandler_option_widget_on_changed),widget);

  //gtk_box_pack_start_defaults(GTK_BOX(sub_container),widget->impl);
  gtk_container_add(GTK_CONTAINER(sub_container),widget->impl);
}

GList *gitkr_widget_optionchoice_get_choices(GitkrGtkWidgetPtr widget,xmlNodePtr node) {
  GList *choices=NULL;
  xmlXPathObjectPtr options_xpoptr;

  gitk_log("  trace");

  //-- get all options
  if((options_xpoptr=gitk_xpath_type_filter(
      gitk_xpath_get_object(widget->dialog,"./"GITK_NS_PREFIX":options/"GITK_NS_PREFIX":option",node),
      XPATH_NODESET))) {
    gint i;
    xmlNodePtr choice;
    xmlNodeSetPtr ns=(xmlNodeSetPtr)options_xpoptr->nodesetval;

    //-- iterate over nodeset
    for(i=0;i<xmlXPathNodeSetGetLength(ns);i++) {
      choice=xmlXPathNodeSetItem(ns,i);
      if(!xmlNodeIsText(choice)) {
        gitk_log2("  choice %d=\"%s\"",i,xmlNodeGetContent(choice));
        choices=g_list_append(choices,xmlNodeGetContent(choice));
      }
      else {
        gitk_err("unexpected textnode in dialog definition");
      }
    }
    xmlXPathFreeObject(options_xpoptr);
  }
  else { gitk_err("failed to get options"); }
  return(choices);
}

void gitkr_widget_optionchoice_free_choices(GList *choices) {
  GList *choice;

  g_assert(choices!=NULL);

  choice=g_list_first(choices);
  while(choice) {
    free(choice->data);
    choice=g_list_next(choice);
  }
  g_list_free(choices);
}

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