[gnome-calendar/gnome-3-20] window: make Today button insensitive when today is visible



commit 3ac7d8ee72adb4864bd435adff6043e1299b4b57
Author: Javier Sánchez Ochando <jsanchez deskblue com>
Date:   Sat Mar 26 11:57:44 2016 +0100

    window: make Today button insensitive when today is visible
    
    When a view shows the current day, the Today button should be insensitive.
    This patch makes today button sensitive only when today is not shown.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=747963

 src/gcal-window.c |   40 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 40 insertions(+), 0 deletions(-)
---
diff --git a/src/gcal-window.c b/src/gcal-window.c
index 869bf11..eceabcb 100644
--- a/src/gcal-window.c
+++ b/src/gcal-window.c
@@ -149,6 +149,8 @@ static gboolean       key_pressed                        (GtkWidget           *w
                                                           GdkEvent            *event,
                                                           gpointer             user_data);
 
+static void           update_today_button_sensitive      (GcalWindow          *window);
+
 static void           date_updated                       (GtkButton           *buttton,
                                                           gpointer             user_data);
 
@@ -384,6 +386,8 @@ update_active_date (GcalWindow   *window,
       g_clear_pointer (&date_end, g_date_time_unref);
     }
 
+  update_today_button_sensitive (window);
+
   g_free (previous_date);
 }
 
@@ -407,6 +411,41 @@ update_current_date (GcalWindow *window)
 }
 
 static void
+update_today_button_sensitive (GcalWindow *window)
+{
+  gboolean sensitive;
+
+  switch (window->active_view)
+    {
+    case GCAL_WINDOW_VIEW_DAY:
+      sensitive = window->active_date->year != window->current_date->year ||
+                  window->active_date->month != window->current_date->month ||
+                  window->active_date->day != window->current_date->day;
+      break;
+
+    case GCAL_WINDOW_VIEW_WEEK:
+      /* TODO: determine when the today button would be sensitive on week view */
+      sensitive = TRUE;
+      break;
+
+    case GCAL_WINDOW_VIEW_MONTH:
+      sensitive = window->active_date->year != window->current_date->year ||
+                  window->active_date->month != window->current_date->month;
+      break;
+
+    case GCAL_WINDOW_VIEW_YEAR:
+      sensitive = window->active_date->year != window->current_date->year;
+      break;
+
+    default:
+      sensitive = TRUE;
+      break;
+    }
+
+  gtk_widget_set_sensitive (window->today_button, sensitive);
+}
+
+static void
 date_updated (GtkButton  *button,
               gpointer    user_data)
 {
@@ -629,6 +668,7 @@ view_changed (GObject    *object,
     return;
 
   window->active_view = view_type;
+  update_today_button_sensitive (window);
   g_object_notify (G_OBJECT (user_data), "active-view");
 }
 


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