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-rw-r--r--calendar/month-view.c337
1 files changed, 51 insertions, 286 deletions
diff --git a/calendar/month-view.c b/calendar/month-view.c
index 8fd8ed799c..b6d9cd12d9 100644
--- a/calendar/month-view.c
+++ b/calendar/month-view.c
@@ -17,27 +17,6 @@
#define SPACING 4 /* Spacing between title and calendar */
-/* This is a child in the month view. Each child has a number of canvas items associated to it --
- * it can be more than one box because an event may span several weeks.
- */
-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 */
- int slot_start; /* The first slot this child uses */
- int slots_used; /* The number of slots occupied by 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 */
-};
-
-
static void month_view_class_init (MonthViewClass *class);
static void month_view_init (MonthView *mv);
static void month_view_size_request (GtkWidget *widget,
@@ -88,6 +67,11 @@ month_view_class_init (MonthViewClass *class)
static void
month_view_init (MonthView *mv)
{
+ int i;
+ GnomeCanvasItem *day_group;
+ GnomeCanvasPoints *points;
+ char *color_spec;
+
/* Title */
mv->title = gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (mv)),
@@ -110,6 +94,51 @@ month_view_init (MonthView *mv)
"day_font", BIG_NORMAL_DAY_FONT,
NULL);
+ /* Arrows and text items */
+
+ color_spec = color_spec_from_prop (COLOR_PROP_DAY_FG);
+
+ points = gnome_canvas_points_new (3);
+
+ for (i = 0; i < 42; i++) {
+ day_group = gnome_month_item_num2child (GNOME_MONTH_ITEM (mv->mitem),
+ i + GNOME_MONTH_ITEM_DAY_GROUP);
+
+ /* Up arrow */
+
+ points->coords[0] = 3;
+ points->coords[1] = 10;
+ points->coords[2] = 11;
+ points->coords[3] = 10;
+ points->coords[4] = 7;
+ points->coords[5] = 3;
+
+ mv->up[i] = gnome_canvas_item_new (GNOME_CANVAS_GROUP (day_group),
+ gnome_canvas_polygon_get_type (),
+ "points", points,
+ "fill_color", color_spec,
+ "outline_color", color_spec,
+ NULL);
+ gnome_canvas_item_hide (mv->up[i]);
+
+ /* Down arrow */
+
+ points->coords[0] = 13;
+ points->coords[1] = 3;
+ points->coords[2] = 17;
+ points->coords[3] = 10;
+ points->coords[4] = 21;
+ points->coords[5] = 3;
+
+ mv->down[i] = gnome_canvas_item_new (GNOME_CANVAS_GROUP (day_group),
+ gnome_canvas_polygon_get_type (),
+ "points", points,
+ "fill_color", color_spec,
+ "outline_color", color_spec,
+ NULL);
+ gnome_canvas_item_hide (mv->down[i]);
+ }
+
mv->old_current_index = -1;
}
@@ -143,83 +172,6 @@ month_view_size_request (GtkWidget *widget, GtkRequisition *requisition)
requisition->height = 150;
}
-/* Adjusts a single segment from a child. Takes the dimensions of the day the segment is on and
- * resizes the segment's canvas item to the apporpriate size and position.
- */
-static void
-adjust_segment (MonthView *mv, struct child *child, struct segment *seg)
-{
- GnomeMonthItem *mitem;
- struct tm tm;
- int day_index;
- GnomeCanvasItem *item;
- double day_width, day_height;
- double x1, y1, x2, y2;
- double y;
- double slot_width;
- time_t day_begin_time, day_end_time;
- double start_factor, end_factor;
-
- mitem = GNOME_MONTH_ITEM (mv->mitem);
-
- /* Find out the dimensions of the day item for the segment */
-
- tm = *localtime (&seg->start);
- day_index = gnome_month_item_day2index (mitem, tm.tm_mday);
- g_assert (day_index != -1);
-
- item = gnome_month_item_num2child (mitem, day_index + GNOME_MONTH_ITEM_DAY_GROUP);
- gnome_canvas_item_get_bounds (item, &x1, &y1, &x2, &y2);
-
- /* Get the bottom coordinate of the day label */
-
- item = gnome_month_item_num2child (mitem, day_index + GNOME_MONTH_ITEM_DAY_LABEL);
- gnome_canvas_item_get_bounds (item, NULL, NULL, NULL, &y);
-
- /* Calculate usable area */
-
- y1 += y;
- day_width = x2 - x1;
- day_height = y2 - y1;
-
- slot_width = day_width / mv->num_slots;
-
- /* Set the coordinates of the segment's item */
-
- day_begin_time = time_day_begin (seg->start);
- day_end_time = time_day_end (seg->end);
-
- start_factor = (double) (seg->start - day_begin_time) / (day_end_time - day_begin_time);
- end_factor = (double) (seg->end - day_begin_time) / (day_end_time - day_begin_time);
-
- gnome_canvas_item_set (seg->item,
- "x1", x1 + slot_width * child->slot_start,
- "y1", y1 + day_height * start_factor,
- "x2", x1 + slot_width * (child->slot_start + child->slots_used),
- "y2", y1 + day_height * end_factor,
- NULL);
-}
-
-/* Adjusts the child events of the month view to the appropriate size and position */
-static void
-adjust_children (MonthView *mv)
-{
- GList *children;
- struct child *child;
- GList *segments;
- struct segment *seg;
-
- for (children = mv->children; children; children = children->next) {
- child = children->data;
-
- for (segments = child->segments; segments; segments = segments->next) {
- seg = segments->data;
-
- adjust_segment (mv, child, seg);
- }
- }
-}
-
static void
month_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
{
@@ -256,202 +208,15 @@ month_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
"width", (double) (allocation->width - 1),
"height", (double) (allocation->height - y - 1),
NULL);
-
- /* Adjust children */
-
- adjust_children (mv);
-}
-
-/* Destroys a child structure and its associated canvas items */
-static void
-child_destroy (MonthView *mv, struct child *child)
-{
- GList *list;
- struct segment *seg;
-
- /* Destroy the segments */
-
- for (list = child->segments; list; list = list->next) {
- seg = list->data;
-
- gtk_object_destroy (GTK_OBJECT (seg->item));
- g_free (seg);
- }
-
- g_list_free (child->segments);
-
- /* Destroy the child */
-
- g_free (child);
-}
-
-/* Creates the list of segments that are used to display a child. Each child may have several
- * segments, because it may span several days 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)
-{
- time_t t;
- time_t month_begin, month_end;
- time_t day_begin_time, day_end_time;
- struct segment *seg;
-
- /* Get the month's extents */
-
- t = time_from_day (mv->year, mv->month, 1);
- month_begin = time_month_begin (t);
- month_end = time_month_end (t);
-
- /* Get the first day of the event */
-
- t = MAX (child->start, month_begin);
- day_begin_time = time_day_begin (t);
- day_end_time = time_day_end (day_begin_time);
-
- /* Loop until the event ends or the month ends -- the segments list is created in reverse
- * order.
- */
-
- do {
- seg = g_new (struct segment, 1);
-
- /* Clip the child to this day */
-
- seg->start = MAX (child->start, day_begin_time);
- seg->end = MIN (child->end, day_end_time);
-
- seg->item = gnome_canvas_item_new (GNOME_CANVAS_GROUP (mv->mitem),
- gnome_canvas_rect_get_type (),
- "fill_color", color_spec_from_prop (COLOR_PROP_MARK_DAY_BG),
- "outline_color", "black",
- "width_pixels", 0,
- NULL);
-
- child->segments = g_list_prepend (child->segments, seg);
-
- /* Next day */
-
- day_begin_time = time_add_day (day_begin_time, 1);
- day_end_time = time_day_end (day_begin_time);
- } while ((child->end > day_begin_time) && (day_begin_time < month_end));
-
- /* Reverse the list to put it in increasing order */
-
- child->segments = g_list_reverse (child->segments);
-}
-
-/* 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;
-
- 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
- * children in the month view.
- */
-static int
-add_event (iCalObject *ico, time_t start, time_t end, void *data)
-{
- MonthView *mv;
- struct child *child;
-
- mv = MONTH_VIEW (data);
-
- child = g_new (struct child, 1);
- child->ico = ico;
- child->start = start;
- child->end = end;
- child->segments = NULL;
-
- child_create_segments (mv, child);
-
- /* Add it to the list of children */
-
- mv->children = g_list_insert_sorted (mv->children, child, child_compare);
-
- return TRUE; /* means "we are not yet finished" */
-}
-
-/* Time query function for the layout engine */
-static void
-child_query_func (GList *list, time_t *start, time_t *end)
-{
- struct child *child;
-
- child = list->data;
-
- *start = child->start;
- *end = child->end;
-}
-
-/* Uses the generic event layout engine to set the children's layout information */
-static void
-layout_children (MonthView *mv)
-{
- GList *list;
- struct child *child;
- int *allocations;
- int *slots;
- int i;
-
- layout_events (mv->children, child_query_func, &mv->num_slots, &allocations, &slots);
-
- if (mv->num_slots == 0)
- return;
-
- for (list = mv->children, i = 0; list; list = list->next, i++) {
- child = list->data;
- child->slot_start = allocations[i];
- child->slots_used = slots[i];
- }
-
- g_free (allocations);
- g_free (slots);
}
void
month_view_update (MonthView *mv, iCalObject *object, int flags)
{
- GList *list;
- time_t t;
- time_t month_begin, month_end;
-
g_return_if_fail (mv != NULL);
g_return_if_fail (IS_MONTH_VIEW (mv));
- /* Destroy the old list of children */
-
- for (list = mv->children; list; list = list->next)
- child_destroy (mv, list->data);
-
- g_list_free (mv->children);
- mv->children = NULL;
-
- /* Create a new list of children and lay them out */
-
- t = time_from_day (mv->year, mv->month, 1);
- month_begin = time_month_begin (t);
- month_end = time_month_end (t);
-
- calendar_iterate (mv->calendar->cal, month_begin, month_end, add_event, mv);
- layout_children (mv);
- adjust_children (mv);
+ /* FIXME */
}
/* Unmarks the old day that was marked as current and marks the current day if appropriate */