Introduce a versioning mechanism, and an `About' box in all front

ends. Versioning will be done solely by Subversion revision number,
since development on these puzzles is very incremental and gradual
and there don't tend to be obvious points to place numbered
releases.

[originally from svn r5781]

1 files changed, 35 insertions, 2 deletions

diff --git a/gtk.c b/gtk.c
index 199225a..5cd6832 100644
--- a/gtk.c
+++ b/gtk.c
@@ -525,7 +525,7 @@ static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
     return FALSE;
 }
 
-void error_box(GtkWidget *parent, char *msg)
+void message_box(GtkWidget *parent, char *title, char *msg, int centre)
 {
     GtkWidget *window, *hbox, *text, *ok;
 
@@ -538,7 +538,7 @@ void error_box(GtkWidget *parent, char *msg)
                        hbox, FALSE, FALSE, 20);
     gtk_widget_show(text);
     gtk_widget_show(hbox);
-    gtk_window_set_title(GTK_WINDOW(window), "Error");
+    gtk_window_set_title(GTK_WINDOW(window), title);
     gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
     ok = gtk_button_new_with_label("OK");
     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
@@ -559,6 +559,11 @@ void error_box(GtkWidget *parent, char *msg)
     gtk_main();
 }
 
+void error_box(GtkWidget *parent, char *msg)
+{
+    message_box(parent, "Error", msg, FALSE);
+}
+
 static void config_ok_button_clicked(GtkButton *button, gpointer data)
 {
     frontend *fe = (frontend *)data;
@@ -949,6 +954,21 @@ static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
     fe->h = y;
 }
 
+static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
+{
+    frontend *fe = (frontend *)data;
+    char titlebuf[256];
+    char textbuf[1024];
+
+    sprintf(titlebuf, "About %.200s", thegame.name);
+    sprintf(textbuf,
+	    "%.200s\n\n"
+	    "from Simon Tatham's Portable Puzzle Collection\n\n"
+	    "%.500s", thegame.name, ver);
+
+    message_box(fe->window, titlebuf, textbuf, TRUE);
+}
+
 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
                                          char *text, int key)
 {
@@ -1080,6 +1100,19 @@ static frontend *new_window(char *game_id, char **error)
     add_menu_separator(GTK_CONTAINER(menu));
     add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
 
+    menuitem = gtk_menu_item_new_with_label("Help");
+    gtk_container_add(GTK_CONTAINER(menubar), menuitem);
+    gtk_widget_show(menuitem);
+
+    menu = gtk_menu_new();
+    gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
+
+    menuitem = gtk_menu_item_new_with_label("About");
+    gtk_container_add(GTK_CONTAINER(menu), menuitem);
+    gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+		       GTK_SIGNAL_FUNC(menu_about_event), fe);
+    gtk_widget_show(menuitem);
+
     {
         int i, ncolours;
         float *colours;