Allow translation of default filenames in GUI
[pspp] / src / ui / gui / psppire-window.c
index c1333769802671d1fcd612cb3194ece3a38bffff..2ae6b02fd98cad854507e63fce27b2d1bdda737e 100644 (file)
@@ -1,5 +1,5 @@
 /* PSPPIRE - a graphical user interface for PSPP.
-   Copyright (C) 2008  Free Software Foundation
+   Copyright (C) 2009, 2010  Free Software Foundation
 
    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
 
 #include <config.h>
 
+
+#include <gtk/gtkstock.h>
+#include <gtk/gtkmessagedialog.h>
 #include <gtk/gtksignal.h>
 #include <gtk/gtkwindow.h>
 #include <gtk/gtkcheckmenuitem.h>
+#include <gtk/gtkmain.h>
 
 #include <stdlib.h>
+#include <xalloc.h>
 
 #include <gettext.h>
 #define _(msgid) gettext (msgid)
@@ -28,6 +33,7 @@
 
 #include "psppire-window.h"
 #include "psppire-window-register.h"
+#include "psppire-conf.h"
 
 static void psppire_window_base_finalize (PsppireWindowClass *, gpointer);
 static void psppire_window_base_init     (PsppireWindowClass *class);
@@ -35,7 +41,6 @@ static void psppire_window_class_init    (PsppireWindowClass *class);
 static void psppire_window_init          (PsppireWindow      *window);
 
 
-static PsppireWindowClass *the_class;
 static GObjectClass *parent_class;
 
 GType
@@ -60,7 +65,7 @@ psppire_window_get_type (void)
 
       psppire_window_type =
        g_type_register_static (GTK_TYPE_WINDOW, "PsppireWindow",
-                               &psppire_window_info, 0);
+                               &psppire_window_info, G_TYPE_FLAG_ABSTRACT);
     }
 
   return psppire_window_type;
@@ -72,7 +77,7 @@ enum
 {
   PROP_0,
   PROP_FILENAME,
-  PROP_USAGE
+  PROP_DESCRIPTION
 };
 
 
@@ -82,7 +87,24 @@ uniquify (const gchar *str, int *x)
   return g_strdup_printf ("%s%d", str, (*x)++);
 }
 
+static gchar mdash[6] = {0,0,0,0,0,0};
+
+static void
+psppire_window_set_title (PsppireWindow *window)
+{
+  GString *title = g_string_sized_new (80);
+
+  g_string_printf (title, _("%s %s PSPPIRE %s"),
+                  window->basename ? window->basename : "",
+                  mdash, window->description);
 
+  if (window->dirty)
+    g_string_prepend_c (title, '*');
+
+  gtk_window_set_title (GTK_WINDOW (window), title->str);
+
+  g_string_free (title, TRUE);
+}
 
 static void
 psppire_window_set_property (GObject         *object,
@@ -94,47 +116,42 @@ psppire_window_set_property (GObject         *object,
 
   switch (prop_id)
     {
-    case PROP_USAGE:
-      window->usage = g_value_get_enum (value);
+    case PROP_DESCRIPTION:
+      window->description = g_value_dup_string (value);
+      psppire_window_set_title (window);
       break;
     case PROP_FILENAME:
       {
-       gchar mdash[6] = {0,0,0,0,0,0};
-       gchar *basename, *title;
-       const gchar *name = g_value_get_string (value);
-       gchar *candidate_name = strdup (name);
-       int x = 0;
-
        PsppireWindowRegister *reg = psppire_window_register_new ();
 
-       while ( psppire_window_register_lookup (reg, candidate_name))
-         {
-           free (candidate_name);
-           candidate_name = uniquify (name, &x);
-         }
-
-       basename = g_path_get_basename (candidate_name);
-       g_unichar_to_utf8 (0x2014, mdash);
-
-       switch (window->usage)
-         {
-         case PSPPIRE_WINDOW_USAGE_SYNTAX:
-           title = g_strdup_printf ( _("%s %s PSPPIRE Syntax Editor"),
-                                     basename, mdash);
-           break;
-         case PSPPIRE_WINDOW_USAGE_OUTPUT:
-           title = g_strdup_printf ( _("%s %s PSPPIRE Output"),
-                                     basename, mdash);
-         case PSPPIRE_WINDOW_USAGE_DATA:
-           title = g_strdup_printf ( _("%s %s PSPPIRE Data Editor"),
-                                     basename, mdash);
-           break;
-         default:
-           g_assert_not_reached ();
-           break;
-         }
-
-       gtk_window_set_title (GTK_WINDOW (window), title);
+       gchar *candidate_name ;
+
+       {
+         const gchar *name = g_value_get_string (value);
+         int x = 0;
+         GValue def = {0};
+         g_value_init (&def, pspec->value_type);
+
+         if ( NULL == name)
+           {
+             g_param_value_set_default (pspec, &def);
+             name = g_value_get_string (&def);
+           }
+
+         candidate_name = xstrdup (name);
+
+         while ( psppire_window_register_lookup (reg, candidate_name))
+           {
+             free (candidate_name);
+             candidate_name = uniquify (name, &x);
+           }
+
+         window->basename = g_filename_display_basename (candidate_name);
+
+         g_value_unset (&def);
+       }
+
+       psppire_window_set_title (window);
 
        if ( window->name)
          psppire_window_register_remove (reg, window->name);
@@ -143,9 +160,6 @@ psppire_window_set_property (GObject         *object,
        window->name = candidate_name;
 
        psppire_window_register_insert (reg, window, window->name);
-
-       free (basename);
-       free (title);
       }
       break;
     default:
@@ -165,12 +179,12 @@ psppire_window_get_property (GObject         *object,
 
   switch (prop_id)
     {
-    case PROP_USAGE:
-      g_value_set_enum (value, window->usage);
-      break;
     case PROP_FILENAME:
       g_value_set_string (value, window->name);
       break;
+    case PROP_DESCRIPTION:
+      g_value_set_string (value, window->description);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -178,16 +192,27 @@ psppire_window_get_property (GObject         *object,
 }
 
 
+static void
+on_realize (GtkWindow *window, gpointer data)
+{
+  PsppireConf *conf = psppire_conf_new ();
+
+  const gchar *base = G_OBJECT_TYPE_NAME (window);
+
+  psppire_conf_set_window_geometry (conf, base, window);
+}
+
 
 static void
 psppire_window_finalize (GObject *object)
 {
   PsppireWindow *window = PSPPIRE_WINDOW (object);
-  
+
   PsppireWindowRegister *reg = psppire_window_register_new ();
 
   psppire_window_register_remove (reg, window->name);
   free (window->name);
+  free (window->description);
 
   g_signal_handler_disconnect (psppire_window_register_new (),
                               window->remove_handler);
@@ -207,37 +232,34 @@ psppire_window_class_init (PsppireWindowClass *class)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (class);
 
-  GParamSpec *use_class_spec =
-    g_param_spec_enum ("usage",
-                      "Usage",
-                      "What the window is used for",
-                      G_TYPE_PSPPIRE_WINDOW_USAGE,
-                      PSPPIRE_WINDOW_USAGE_SYNTAX /* default value */,
-                      G_PARAM_CONSTRUCT_ONLY |G_PARAM_READABLE | G_PARAM_WRITABLE);
-
+  GParamSpec *description_spec =
+    g_param_spec_string ("description",
+                      "Description",
+                      "A string describing the usage of the window",
+                        "??????", /*Should be overridden by derived classes */
+                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 
   GParamSpec *filename_spec =
     g_param_spec_string ("filename",
                       "File name",
                       "The name of the file associated with this window, if any",
-                        "Untitled",
-                        G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT
-                        );
+                        /* TRANSLATORS: This will form a filename.  Please avoid whitespace. */
+                        _("Untitled"),
+                        G_PARAM_CONSTRUCT | G_PARAM_READWRITE);
 
+  g_unichar_to_utf8 (0x2014, mdash);
 
   object_class->set_property = psppire_window_set_property;
   object_class->get_property = psppire_window_get_property;
 
   g_object_class_install_property (object_class,
-                                   PROP_FILENAME,
-                                   filename_spec);
+                                   PROP_DESCRIPTION,
+                                   description_spec);
 
   g_object_class_install_property (object_class,
-                                   PROP_USAGE,
-                                   use_class_spec);
-
+                                   PROP_FILENAME,
+                                   filename_spec);
 
-  the_class = class;
   parent_class = g_type_class_peek_parent (class);
 }
 
@@ -282,13 +304,16 @@ menu_activate (GtkMenuItem *mi, gpointer data)
 static void
 insert_menuitem_into_menu (PsppireWindow *window, gpointer key)
 {
-  GtkWidget *item = gtk_check_menu_item_new_with_label (key);
+  gchar *filename = g_filename_display_name (key);
+  GtkWidget *item = gtk_check_menu_item_new_with_label (filename);
+
+  g_free (filename);
 
   g_signal_connect (item, "toggled", G_CALLBACK (menu_toggled), NULL);
   g_signal_connect (item, "activate", G_CALLBACK (menu_activate), key);
 
   gtk_widget_show (item);
-  
+
   gtk_menu_shell_append (window->menu, item);
 
   /* Set the state without emitting a signal */
@@ -325,14 +350,12 @@ remove_menuitem (PsppireWindowRegister *reg, const gchar *key, gpointer data)
   PsppireWindow *window = PSPPIRE_WINDOW (data);
   GtkWidget *item ;
 
-  if ( !GTK_WIDGET_REALIZED (window))
-    return;
-
   item = g_hash_table_lookup (window->menuitem_table, key);
 
   g_hash_table_remove (window->menuitem_table, key);
 
-  gtk_container_remove (GTK_CONTAINER (window->menu), item);
+  if (GTK_IS_CONTAINER (window->menu))
+    gtk_container_remove (GTK_CONTAINER (window->menu), item);
 }
 
 static void
@@ -341,11 +364,50 @@ insert_existing_items (PsppireWindow *window)
   psppire_window_register_foreach (psppire_window_register_new (), insert_item, window);
 }
 
+
+static gboolean
+on_delete (PsppireWindow *w, GdkEvent *event, gpointer user_data)
+{
+  PsppireWindowRegister *reg = psppire_window_register_new ();
+
+  const gchar *base = G_OBJECT_TYPE_NAME (w);
+
+  PsppireConf *conf = psppire_conf_new ();
+
+  psppire_conf_save_window_geometry (conf, base, GTK_WINDOW (w));
+
+
+  if ( w->dirty )
+    {
+      gint response = psppire_window_query_save (w);
+
+      switch (response)
+       {
+       default:
+       case GTK_RESPONSE_CANCEL:
+         return TRUE;
+         break;
+       case GTK_RESPONSE_APPLY:
+         psppire_window_save (w);
+         break;
+       case GTK_RESPONSE_REJECT:
+         break;
+       }
+    }
+
+  if ( 1 == psppire_window_register_n_items (reg))
+    gtk_main_quit ();
+
+  return FALSE;
+}
+
+
 static void
 psppire_window_init (PsppireWindow *window)
 {
   window->name = NULL;
   window->menu = NULL;
+  window->description = xstrdup ("");
 
   window->menuitem_table  = g_hash_table_new (g_str_hash, g_str_equal);
 
@@ -361,19 +423,82 @@ psppire_window_init (PsppireWindow *window)
                                             "removed",
                                             G_CALLBACK (remove_menuitem),
                                             window);
-}
 
+  window->dirty = FALSE;
+
+  g_signal_connect_swapped (window, "delete-event", G_CALLBACK (on_delete), window);
+
+  g_object_set (window, "icon-name", "psppicon", NULL);
 
-GtkWidget*
-psppire_window_new (PsppireWindowUsage usage)
+  g_signal_connect (window, "realize",
+                   G_CALLBACK (on_realize), window);
+
+}
+
+/*
+   Ask the user if the buffer should be saved.
+   Return the response.
+*/
+gint
+psppire_window_query_save (PsppireWindow *se)
 {
-  return GTK_WIDGET (g_object_new (psppire_window_get_type (),
-                                  "type", GTK_WINDOW_TOPLEVEL,
-                                  "usage", usage,
-                                  NULL));
+  gchar *fn;
+  gint response;
+  GtkWidget *dialog;
+  GtkWidget *cancel_button;
+
+  const gchar *description;
+  const gchar *filename = psppire_window_get_filename (se);
+
+  GTimeVal time;
+
+  g_get_current_time (&time);
+
+  g_object_get (se, "description", &description, NULL);
+
+  g_return_val_if_fail (filename != NULL, GTK_RESPONSE_NONE);
+
+
+  fn = g_filename_display_basename (filename);
+
+  dialog =
+    gtk_message_dialog_new (GTK_WINDOW (se),
+                           GTK_DIALOG_MODAL,
+                           GTK_MESSAGE_WARNING,
+                           GTK_BUTTONS_NONE,
+                           _("Save the changes to \"%s\" before closing?"),
+                           fn);
+  g_free (fn);
+
+  g_object_set (dialog, "icon-name", "psppicon", NULL);
+
+  gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
+                                           _("If you don't save, changes from the last %ld seconds will be permanently lost."),
+                                           time.tv_sec - se->savetime.tv_sec);
+
+  gtk_dialog_add_button  (GTK_DIALOG (dialog),
+                         _("Close _without saving"),
+                         GTK_RESPONSE_REJECT);
+
+  cancel_button = gtk_dialog_add_button  (GTK_DIALOG (dialog),
+                                         GTK_STOCK_CANCEL,
+                                         GTK_RESPONSE_CANCEL);
+
+  gtk_dialog_add_button  (GTK_DIALOG (dialog),
+                         GTK_STOCK_SAVE,
+                         GTK_RESPONSE_APPLY);
+
+  gtk_widget_grab_focus (cancel_button);
+
+  response = gtk_dialog_run (GTK_DIALOG (dialog));
+
+  gtk_widget_destroy (dialog);
+
+  return response;
 }
 
 
+
 const gchar *
 psppire_window_get_filename (PsppireWindow *w)
 {
@@ -389,35 +514,26 @@ psppire_window_set_filename (PsppireWindow *w, const gchar *filename)
   g_object_set (w, "filename", filename, NULL);
 }
 
-\f
-
-GType
-psppire_window_usage_get_type (void)
+void
+psppire_window_set_unsaved (PsppireWindow *w)
 {
-  static GType etype = 0;
-  if (etype == 0)
-    {
-      static const GEnumValue values[] = {
-       { PSPPIRE_WINDOW_USAGE_SYNTAX, "PSPPIRE_WINDOW_USAGE_SYNTAX",
-         "Syntax" },
+  if ( w->dirty == FALSE)
+    g_get_current_time (&w->savetime);
 
-       { PSPPIRE_WINDOW_USAGE_OUTPUT, "PSPPIRE_WINDOW_USAGE_OUTPUT",
-         "Output" },
+  w->dirty = TRUE;
 
-       { PSPPIRE_WINDOW_USAGE_DATA,   "PSPPIRE_WINDOW_USAGE_DATA",
-         "Data" },
-
-       { 0, NULL, NULL }
-      };
-
-      etype = g_enum_register_static (g_intern_static_string ("PsppireWindowUsage"),
-                                     values);
-    }
+  psppire_window_set_title (w);
+}
 
-  return etype;
+gboolean
+psppire_window_get_unsaved (PsppireWindow *w)
+{
+  return w->dirty;
 }
 
 
+\f
+
 
 static void
 minimise_window (gpointer key, gpointer value, gpointer data)
@@ -433,3 +549,119 @@ psppire_window_minimise_all (void)
 
   g_hash_table_foreach (reg->name_table, minimise_window, NULL);
 }
+
+
+\f
+
+GType
+psppire_window_model_get_type (void)
+{
+  static GType window_model_type = 0;
+
+  if (! window_model_type)
+    {
+      static const GTypeInfo window_model_info =
+      {
+        sizeof (PsppireWindowIface), /* class_size */
+       NULL,           /* base_init */
+       NULL,           /* base_finalize */
+       NULL,
+       NULL,           /* class_finalize */
+       NULL,           /* class_data */
+       0,
+       0,              /* n_preallocs */
+       NULL
+      };
+
+      window_model_type =
+       g_type_register_static (G_TYPE_INTERFACE, "PsppireWindowModel",
+                               &window_model_info, 0);
+
+      g_type_interface_add_prerequisite (window_model_type, G_TYPE_OBJECT);
+    }
+
+  return window_model_type;
+}
+
+
+void
+psppire_window_save (PsppireWindow *w)
+{
+  PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+
+  g_assert (PSPPIRE_IS_WINDOW_MODEL (w));
+
+  g_assert (i);
+
+  g_return_if_fail (i->save);
+
+  i->save (w);
+
+  w->dirty = FALSE;
+  psppire_window_set_title (w);
+}
+
+extern GtkRecentManager *the_recent_mgr;
+
+static void add_most_recent (const char *file_name, GtkRecentManager *rm);
+static void delete_recent (const char *file_name, GtkRecentManager *rm);
+
+gboolean
+psppire_window_load (PsppireWindow *w, const gchar *file)
+{
+  gboolean ok;
+  PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+
+  g_assert (PSPPIRE_IS_WINDOW_MODEL (w));
+
+  g_assert (i);
+
+  g_return_val_if_fail (i->load, FALSE);
+
+  ok = i->load (w, file);
+
+  if ( ok )
+    {
+      psppire_window_set_filename (w, file);
+      add_most_recent (file, the_recent_mgr);
+      w->dirty = FALSE;
+    }
+  else
+    delete_recent (file, the_recent_mgr);
+
+  psppire_window_set_title (w);
+
+  return ok;
+}
+
+
+/* Puts FILE_NAME into the recent list.
+   If it's already in the list, it moves it to the top
+*/
+static void
+add_most_recent (const char *file_name, GtkRecentManager *rm)
+{
+  gchar *uri = g_filename_to_uri  (file_name, NULL, NULL);
+
+  if ( uri )
+    gtk_recent_manager_add_item (rm, uri);
+
+  g_free (uri);
+}
+
+
+
+/*
+   If FILE_NAME exists in the recent list, then  delete it.
+ */
+static void
+delete_recent (const char *file_name, GtkRecentManager *rm)
+{
+  gchar *uri = g_filename_to_uri  (file_name, NULL, NULL);
+
+  if ( uri )
+    gtk_recent_manager_remove_item (rm, uri, NULL);
+
+  g_free (uri);
+}
+