[gnome-calendar/wip/pandusonu/week-view] week-header, week-grid: update drawing when time changes

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 6d4f7198292474900b414945916d8fa392cd33ec
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Dec 8 19:33:20 2016 -0200

    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(+), 0 deletions(-)
---
diff --git a/src/views/gcal-week-grid.c b/src/views/gcal-week-grid.c
index 27f54ce..2aca228 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 4a7f335..73593b6 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);