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authorArturo Espinosa <unammx@src.gnome.org>1998-10-10 00:23:42 +0800
committerArturo Espinosa <unammx@src.gnome.org>1998-10-10 00:23:42 +0800
commite1dccc7c4f58b419b0ef66728a717783643806ae (patch)
treecaceefa8f3baeb69246da23ba19f6768e6a72dea /calendar/gui
parent0a53e2161b9711fbe689d8e726f6d93ee2fe7e83 (diff)
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Sync sync - Federico
svn path=/trunk/; revision=437
Diffstat (limited to 'calendar/gui')
-rw-r--r--calendar/gui/month-view.c57
1 files changed, 48 insertions, 9 deletions
diff --git a/calendar/gui/month-view.c b/calendar/gui/month-view.c
index 2a76387b5d..0e0c706a25 100644
--- a/calendar/gui/month-view.c
+++ b/calendar/gui/month-view.c
@@ -22,7 +22,16 @@
struct child {
iCalObject *ico; /* The calendar object this child refers to */
time_t start, end; /* Start and end times for the instance of the event */
- GList *items; /* The list of canvas items needed to display this child */
+ GList *segments; /* The list of segments needed to display this child */
+};
+
+/* Each child is composed of one or more segments. Each segment can be considered to be
+ * the entire child clipped to a particular week, as events may span several weeks in the
+ * month view.
+ */
+struct segment {
+ time_t start, end; /* Start/end times for this segment */
+ GnomeCanvasItem *item; /* Canvas item used to display this segment */
};
@@ -184,18 +193,42 @@ month_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
static void
child_destroy (MonthView *mv, struct child *child)
{
- GList *list;
+ /* FIXME: destroy the list of segments */
- /* Destroy the list of items */
+ /* Destroy the child */
- for (list = child->items; list; list = list->next)
- gtk_object_destroy (list->data);
+ g_free (child);
+}
- g_list_free (child->items);
+/* Creates the list of segments that are used to display a child. Each child may have several
+ * segments, because it may span several weeks in the month view. This function only creates the
+ * segment structures and the associated canvas items, but it does not set their final position in
+ * the month view canvas -- that is done by the adjust_children() function.
+ */
+static void
+child_create_segments (MonthView *mv, struct child *child)
+{
+ /* FIXME */
+}
- /* Destroy the child */
+/* Comparison function used to create the sorted list of children. Sorts first by increasing start
+ * time and then by decreasing end time, so that "longer" events are first in the list.
+ */
+static gint
+child_compare (gconstpointer a, gconstpointer b)
+{
+ const struct child *ca, *cb;
+ time_t diff;
- g_free (child);
+ ca = a;
+ cb = b;
+
+ diff = ca->start - cb->start;
+
+ if (diff == 0)
+ diff = cb->end - ca->end;
+
+ return (diff < 0) ? -1 : ((diff > 0) ? 1 : 0);
}
/* This is the callback function used from the calendar iterator. It adds events to the list of
@@ -213,8 +246,13 @@ add_event (iCalObject *ico, time_t start, time_t end, void *data)
child->ico = ico;
child->start = start;
child->end = end;
+ child->segments = NULL;
+
+ child_create_segments (mv, child);
- /* FIXME: create items */
+ /* Add it to the list of children */
+
+ mv->children = g_list_insert_sorted (mv->children, child, child_compare);
}
void
@@ -242,6 +280,7 @@ month_view_update (MonthView *mv, iCalObject *object, int flags)
month_end = time_month_end (t);
calendar_iterate (mv->calendar->cal, month_begin, month_end, add_event, mv);
+ adjust_children (mv);
}
/* Unmarks the old day that was marked as current and marks the current day if appropriate */