From bf0582f0aad0c157722db243ddfb749ae2f4f5b9 Mon Sep 17 00:00:00 2001
From: Andy2 <andy2@trand>
Date: Tue, 1 Feb 2011 18:56:37 -0800
Subject: [PATCH] make hint buttons en/disabled based on board_canHint()
 results.

---
 xwords4/linux/gtkmain.c | 6 ++++++
 xwords4/linux/gtkmain.h | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/xwords4/linux/gtkmain.c b/xwords4/linux/gtkmain.c
index 83530042e..fbae9c65b 100644
--- a/xwords4/linux/gtkmain.c
+++ b/xwords4/linux/gtkmain.c
@@ -1018,6 +1018,10 @@ disenable_buttons( GtkAppGlobals* globals )
     XP_Bool canToggle = board_canTogglePending( globals->cGlobals.game.board );
     gtk_widget_set_sensitive( globals->toggle_undo_button, canToggle );
 
+    XP_Bool canHing = board_canHint( globals->cGlobals.game.board );
+    gtk_widget_set_sensitive( globals->prevhint_button, canHing );
+    gtk_widget_set_sensitive( globals->nexthint_button, canHing );
+
     XP_Bool canChat = !!globals->cGlobals.game.comms
         && comms_canChat( globals->cGlobals.game.comms );
     gtk_widget_set_sensitive( globals->chat_button, canChat );
@@ -1754,9 +1758,11 @@ makeVerticalBar( GtkAppGlobals* globals, GtkWidget* XP_UNUSED(window) )
 
     button = makeShowButtonFromBitmap( globals, "../hint.xpm", "?-",
                                        G_CALLBACK(handle_prevhint_button) );
+    globals->prevhint_button = button;
     gtk_box_pack_start( GTK_BOX(vbox), button, FALSE, TRUE, 0 );
     button = makeShowButtonFromBitmap( globals, "../hint.xpm", "?+",
                                        G_CALLBACK(handle_nexthint_button) );
+    globals->nexthint_button = button;
     gtk_box_pack_start( GTK_BOX(vbox), button, FALSE, TRUE, 0 );
 
     button = makeShowButtonFromBitmap( globals, "../hintNum.xpm", "n",
diff --git a/xwords4/linux/gtkmain.h b/xwords4/linux/gtkmain.h
index eb5f9c931..92de46fae 100644
--- a/xwords4/linux/gtkmain.h
+++ b/xwords4/linux/gtkmain.h
@@ -95,6 +95,9 @@ typedef struct GtkAppGlobals {
     GtkWidget* zoomin_button;
     GtkWidget* zoomout_button;
     GtkWidget* toggle_undo_button;
+    GtkWidget* prevhint_button;
+    GtkWidget* nexthint_button;
+
 #ifdef XWFEATURE_CHAT
     GtkWidget* chat_button;
 #endif