From 6d4f7198292474900b414945916d8fa392cd33ec Mon Sep 17 00:00:00 2001
From: Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
Date: Thu, 8 Dec 2016 19:33:20 -0200
Subject: [PATCH] week-header, week-grid: update drawing when time changes

When minutes change, the week grid should update the today strip
if it's visible and, if the day change, week header should update
the blue week name.
---
 src/views/gcal-week-grid.c   | 17 +++++++++++++++++
 src/views/gcal-week-header.c | 15 +++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/src/views/gcal-week-grid.c b/src/views/gcal-week-grid.c
index 27f54ce5..2aca228f 100644
--- a/src/views/gcal-week-grid.c
+++ b/src/views/gcal-week-grid.c
@@ -58,6 +58,7 @@ struct _GcalWeekGrid
   GcalRangeTree      *events;
 
   gboolean            children_changed;
+  gint                redraw_timeout_id;
 
   GcalManager        *manager;
 };
@@ -172,6 +173,12 @@ gcal_week_grid_finalize (GObject *object)
   g_clear_pointer (&self->active_date, g_free);
   g_clear_pointer (&self->current_date, g_free);
 
+  if (self->redraw_timeout_id > 0)
+    {
+      g_source_remove (self->redraw_timeout_id);
+      self->redraw_timeout_id = 0;
+    }
+
   G_OBJECT_CLASS (gcal_week_grid_parent_class)->finalize (object);
 }
 
@@ -364,6 +371,7 @@ gcal_week_grid_draw (GtkWidget *widget,
 {
   GtkStyleContext *context;
   GtkStateFlags state;
+  GcalWeekGrid *self;
   GtkBorder padding;
   GdkRGBA color;
 
@@ -372,6 +380,7 @@ gcal_week_grid_draw (GtkWidget *widget,
   PangoLayout *layout;
   PangoFontDescription *font_desc;
 
+  self = GCAL_WEEK_GRID (widget);
   context = gtk_widget_get_style_context (widget);
   state = gtk_widget_get_state_flags (widget);
 
@@ -450,6 +459,14 @@ gcal_week_grid_draw (GtkWidget *widget,
 
   GTK_WIDGET_CLASS (gcal_week_grid_parent_class)->draw (widget, cr);
 
+  /* Fire the redraw timeout if needed */
+  if (self->redraw_timeout_id == 0)
+    {
+      self->redraw_timeout_id = g_timeout_add_seconds (5,
+                                                       (GSourceFunc) gtk_widget_queue_draw,
+                                                       self);
+    }
+
   return FALSE;
 }
 
diff --git a/src/views/gcal-week-header.c b/src/views/gcal-week-header.c
index 4a7f335b..73593b68 100644
--- a/src/views/gcal-week-header.c
+++ b/src/views/gcal-week-header.c
@@ -64,6 +64,7 @@ struct _GcalWeekHeader
   gboolean          expanded;
 
   gboolean          use_24h_format;
+  gint              redraw_timeout_id;
 
   icaltimetype     *active_date;
   icaltimetype     *current_date;
@@ -921,6 +922,12 @@ gcal_week_header_finalize (GObject *object)
   g_clear_pointer (&self->active_date, g_free);
   g_clear_pointer (&self->current_date, g_free);
 
+  if (self->redraw_timeout_id > 0)
+    {
+      g_source_remove (self->redraw_timeout_id);
+      self->redraw_timeout_id = 0;
+    }
+
   for (i = 0; i < 7; i++)
     g_list_free (self->events[i]);
 }
@@ -1143,6 +1150,14 @@ gcal_week_header_draw (GtkWidget      *widget,
 
   GTK_WIDGET_CLASS (gcal_week_header_parent_class)->draw (widget, cr);
 
+  /* Fire the redraw timeout if needed */
+  if (self->redraw_timeout_id == 0)
+    {
+      self->redraw_timeout_id = g_timeout_add_seconds (5,
+                                                       (GSourceFunc) gtk_widget_queue_draw,
+                                                       self);
+    }
+
   g_clear_pointer (&week_start, g_date_time_unref);
   g_clear_pointer (&week_end, g_date_time_unref);