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range-tree: Use GcalRange

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This commit is contained in:
Georges Basile Stavracas Neto
2020-04-14 19:08:05 +00:00
parent b97c4a27e0
commit 3efbc2436c
5 changed files with 225 additions and 309 deletions
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src/core/gcal-range-tree.c
+97 -160
View File
@@ -1,6 +1,6 @@
/* gcal-range-tree.c
*
* Copyright (C) 2016 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
* Copyright (C) 2016-2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -46,8 +46,7 @@ typedef struct _Node
{
struct _Node *left;
struct _Node *right;
GDateTime *start;
GDateTime *end;
GcalRange *range;
GDateTime *max;
guint16 hits;
gint64 height;
@@ -74,8 +73,7 @@ destroy_tree (Node *n)
destroy_tree (n->left);
destroy_tree (n->right);
gcal_clear_date_time (&n->start);
gcal_clear_date_time (&n->end);
g_clear_pointer (&n->range, gcal_range_unref);
gcal_clear_date_time (&n->max);
g_ptr_array_unref (n->data_array);
@@ -100,71 +98,16 @@ balance (Node *n)
return n ? height (n->left) - height (n->right) : 0;
}
/*
* Compares the ranges A [a_start, a_end] and B [b_start, b_end]. A is
* less rangy than B when either it starts before B, or starts at the
* same point but ends before B.
*
* Some examples:
*
* 1. [-----A----] = 0
* [-----B----]
*
* 2. [----A----] = 1
* [----B----]
*
* 3. [------A-----] = -1
* [----B----]
*
* 4. [----A----] = -1
* [----B----]
*
* This is *not* comparing the sizes of the ranges.
*/
static inline gboolean
compare_intervals (GDateTime *a_start,
GDateTime *a_end,
GDateTime *b_start,
GDateTime *b_end)
{
gint result = g_date_time_compare (b_start, a_start);
if (result == 0)
result = g_date_time_compare (b_end, a_end);
return result;
}
static inline gboolean
is_interval_lower (Node *n,
GDateTime *start,
GDateTime *end)
{
gint a_compare = g_date_time_compare (start, n->start);
return a_compare < 0 || (a_compare == 0 && g_date_time_compare (end, n->end) < 0);
}
static inline gboolean
is_interval_higher (Node *n,
GDateTime *start,
GDateTime *end)
{
gint a_compare = g_date_time_compare (start, n->start);
return a_compare > 0 || (a_compare == 0 && g_date_time_compare (end, n->end) > 0);
}
static Node*
node_new (GDateTime *start,
GDateTime *end,
node_new (GcalRange *range,
gpointer data,
GDestroyNotify destroy_func)
{
Node *n;
n = g_new0 (Node, 1);
n->start = g_date_time_ref (start);
n->end = g_date_time_ref (end);
n->max = g_date_time_ref (end);
n->range = gcal_range_ref (range);
n->max = gcal_range_get_end (range);
n->height = 1;
n->hits = 1;
@@ -246,31 +189,30 @@ rebalance (Node *n)
static Node*
insert (Node *n,
GDateTime *start,
GDateTime *end,
GcalRange *range,
gpointer data,
GDestroyNotify destroy_func)
{
g_autoptr (GDateTime) range_end = NULL;
gint result;
if (!n)
return node_new (start, end, data, destroy_func);
return node_new (range, data, destroy_func);
result = compare_intervals (n->start, n->end, start, end);
result = gcal_range_compare (range, n->range);
if (result < 0)
n->left = insert (n->left, start, end, data, destroy_func);
n->left = insert (n->left, range, data, destroy_func);
else if (result > 0)
n->right = insert (n->right, start, end, data, destroy_func);
n->right = insert (n->right, range, data, destroy_func);
else
return hit_node (n, data);
range_end = gcal_range_get_end (range);
/* Update the current node's maximum subrange value */
if (!n->max || g_date_time_compare (end, n->max) > 0)
{
gcal_clear_date_time (&n->max);
n->max = g_date_time_ref (end);
}
if (!n->max || g_date_time_compare (range_end, n->max) > 0)
gcal_set_date_time (&n->max, range_end);
return rebalance (n);
}
@@ -327,19 +269,32 @@ delete_node (Node *n,
static Node*
remove_node (Node *n,
GDateTime *start,
GDateTime *end,
GcalRange *range,
gpointer data)
{
GcalRangePosition position;
if (!n)
return NULL;
if (is_interval_lower (n, start, end))
n->left = remove_node (n->left, start, end, data);
else if (is_interval_higher (n, start, end))
n->right = remove_node (n->right, start, end, data);
else
return delete_node (n, data);
gcal_range_calculate_overlap (range, n->range, &position);
switch (position)
{
case GCAL_RANGE_BEFORE:
n->left = remove_node (n->left, range, data);
break;
case GCAL_RANGE_MATCH:
return delete_node (n, data);
case GCAL_RANGE_AFTER:
n->right = remove_node (n->right, range, data);
break;
default:
g_assert_not_reached ();
}
return rebalance (n);
}
@@ -354,7 +309,7 @@ run_traverse_func (Node *n,
for (i = 0; i < n->hits; i++)
{
if (func (n->start, n->end, g_ptr_array_index (n->data_array, i), user_data))
if (func (n->range, g_ptr_array_index (n->data_array, i), user_data))
return TRUE;
}
@@ -399,8 +354,7 @@ traverse (Node *n,
/* Internal traverse functions */
static inline gboolean
gather_all_data (GDateTime *start,
GDateTime *end,
gather_all_data (GcalRange *range,
gpointer data,
gpointer user_data)
{
@@ -412,71 +366,66 @@ gather_all_data (GDateTime *start,
}
static inline gboolean
gather_data_at_range (GDateTime *start,
GDateTime *end,
gather_data_at_range (GcalRange *range,
gpointer data,
gpointer user_data)
{
struct {
GDateTime *start, *end;
GPtrArray **array;
} *range = user_data;
GcalRangePosition position;
GcalRangeOverlap overlap;
/* Since we're traversing in order, stop here */
if (compare_intervals (range->start, range->end, start, end) > 0 &&
g_date_time_compare (start, range->end) >= 0)
struct {
GcalRange *range;
GPtrArray **array;
} *gather_data = user_data;
overlap = gcal_range_calculate_overlap (range, gather_data->range, &position);
if (overlap == GCAL_RANGE_NO_OVERLAP)
{
return GCAL_TRAVERSE_STOP;
if (position == GCAL_RANGE_BEFORE)
return GCAL_TRAVERSE_CONTINUE;
if (position == GCAL_RANGE_AFTER)
return GCAL_TRAVERSE_STOP;
}
/*
* If the current range doesn't overlap but we're before the desired range, keep
* traversing the tree
*/
if (g_date_time_compare (range->start, end) >= 0)
return GCAL_TRAVERSE_CONTINUE;
if (!*gather_data->array)
*gather_data->array = g_ptr_array_new ();
if (!*range->array)
*range->array = g_ptr_array_new ();
g_ptr_array_add (*range->array, data);
g_ptr_array_add (*gather_data->array, data);
return GCAL_TRAVERSE_CONTINUE;
}
static inline gboolean
count_entries_at_range (GDateTime *start,
GDateTime *end,
count_entries_at_range (GcalRange *range,
gpointer data,
gpointer user_data)
{
struct {
GDateTime *start, *end;
guint64 counter;
} *range = user_data;
GcalRangePosition position;
GcalRangeOverlap overlap;
/* Since we're traversing in order, stop here */
if (compare_intervals (range->start, range->end, start, end) > 0 &&
g_date_time_compare (start, range->end) >= 0)
struct {
GcalRange *range;
guint64 counter;
} *gather_data = user_data;
overlap = gcal_range_calculate_overlap (range, gather_data->range, &position);
if (overlap == GCAL_RANGE_NO_OVERLAP)
{
return GCAL_TRAVERSE_STOP;
if (position == GCAL_RANGE_BEFORE)
return GCAL_TRAVERSE_CONTINUE;
if (position == GCAL_RANGE_AFTER)
return GCAL_TRAVERSE_STOP;
}
/*
* If the current range doesn't overlap but we're before the desired range, keep
* traversing the tree
*/
if (g_date_time_compare (range->start, end) >= 0)
return GCAL_TRAVERSE_CONTINUE;
range->counter++;
gather_data->counter++;
return GCAL_TRAVERSE_CONTINUE;
}
static inline gboolean
remove_data_func (GDateTime *start,
GDateTime *end,
remove_data_func (GcalRange *range,
gpointer data,
gpointer user_data)
{
@@ -487,7 +436,7 @@ remove_data_func (GDateTime *start,
if (remove_data->data == data)
{
gcal_range_tree_remove_range (remove_data->range_tree, start, end, data);
gcal_range_tree_remove_range (remove_data->range_tree, range, data);
return GCAL_TRAVERSE_STOP;
}
@@ -607,8 +556,7 @@ gcal_range_tree_unref (GcalRangeTree *self)
/**
* gcal_range_tree_add_range:
* @self: a #GcalRangeTree
* @start: start of the interval
* @end: end of the interval
* @range: a #GcalRange
* @data: user data
*
* Adds the range into @self, and attach @data do it. It is
@@ -618,37 +566,32 @@ gcal_range_tree_unref (GcalRangeTree *self)
*/
void
gcal_range_tree_add_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end,
GcalRange *range,
gpointer data)
{
g_return_if_fail (self);
g_return_if_fail (end && start);
g_return_if_fail (g_date_time_compare (end, start) >= 0);
g_return_if_fail (range);
self->root = insert (self->root, start, end, data, self->destroy_func);
self->root = insert (self->root, range, data, self->destroy_func);
}
/**
* gcal_range_tree_remove_range:
* @self: a #GcalRangeTree
* @start: the start of the range
* @end: the end of the range
* @range: a #GcalRange
* @data: user data
*
* Removes (or decreases the reference count) of the given interval.
*/
void
gcal_range_tree_remove_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end,
GcalRange *range,
gpointer data)
{
g_return_if_fail (self);
g_return_if_fail (end && start);
g_return_if_fail (g_date_time_compare (end, start) >= 0);
g_return_if_fail (range);
self->root = remove_node (self->root, start, end, data);
self->root = remove_node (self->root, range, data);
}
/**
@@ -717,33 +660,30 @@ gcal_range_tree_get_all_data (GcalRangeTree *self)
/**
* gcal_range_tree_get_data_at_range:
* @self: a #GcalRangeTree
* @start: inclusive start of the range
* @end: exclusive end of the range
* @range: a #GcalRange
*
* Retrieves the data of every node between @start and @end.
* Retrieves the data of every node within @range.
*
* Returns: (transfer full): a #GPtrArray. Unref with g_ptr_array_unref()
* when finished.
*/
GPtrArray*
gcal_range_tree_get_data_at_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end)
GcalRange *range)
{
GPtrArray *data;
struct {
GDateTime *start, *end;
GcalRange *range;
GPtrArray **array;
} range = { start, end, &data };
} gather_data = { range, &data };
g_return_val_if_fail (self, NULL);
g_return_val_if_fail (end && start, NULL);
g_return_val_if_fail (g_date_time_compare (end, start) >= 0, NULL);
g_return_val_if_fail (range, NULL);
data = NULL;
gcal_range_tree_traverse (self, G_IN_ORDER, gather_data_at_range, &range);
gcal_range_tree_traverse (self, G_IN_ORDER, gather_data_at_range, &gather_data);
return data;
}
@@ -751,8 +691,7 @@ gcal_range_tree_get_data_at_range (GcalRangeTree *self,
/**
* gcal_range_tree_count_entries_at_range:
* @self: a #GcalRangeTree
* @start: start of the range
* @end: end of the range
* @range: a #GcalRange
*
* Counts the number of entries available in the given
* range.
@@ -761,19 +700,17 @@ gcal_range_tree_get_data_at_range (GcalRangeTree *self,
*/
guint64
gcal_range_tree_count_entries_at_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end)
GcalRange *range)
{
struct {
GDateTime *start, *end;
GcalRange *range;
guint64 counter;
} range = { start, end, 0 };
} gather_data = { range, 0 };
g_return_val_if_fail (self, 0);
g_return_val_if_fail (end && start, 0);
g_return_val_if_fail (g_date_time_compare (end, start) >= 0, 0);
g_return_val_if_fail (range, 0);
gcal_range_tree_traverse (self, G_IN_ORDER, count_entries_at_range, &range);
gcal_range_tree_traverse (self, G_IN_ORDER, count_entries_at_range, &gather_data);
return range.counter;
return gather_data.counter;
}
src/core/gcal-range-tree.h
+7 -10
View File
@@ -18,6 +18,8 @@
#pragma once
#include "gcal-range.h"
#include <glib-object.h>
G_BEGIN_DECLS
@@ -37,8 +39,7 @@ typedef struct _GcalRangeTree GcalRangeTree;
*
* Returns: %TRUE to stop traversing, %FALSE to continue traversing
*/
typedef gboolean (*GcalRangeTraverseFunc) (GDateTime *start,
GDateTime *end,
typedef gboolean (*GcalRangeTraverseFunc) (GcalRange *range,
gpointer data,
gpointer user_data);
@@ -58,13 +59,11 @@ GcalRangeTree* gcal_range_tree_ref (GcalRangeTree
void gcal_range_tree_unref (GcalRangeTree *self);
void gcal_range_tree_add_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end,
GcalRange *range,
gpointer data);
void gcal_range_tree_remove_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end,
GcalRange *range,
gpointer data);
void gcal_range_tree_remove_data (GcalRangeTree *self,
@@ -78,12 +77,10 @@ void gcal_range_tree_traverse (GcalRangeTree
GPtrArray* gcal_range_tree_get_all_data (GcalRangeTree *self);
GPtrArray* gcal_range_tree_get_data_at_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end);
GcalRange *range);
guint64 gcal_range_tree_count_entries_at_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end);
GcalRange *range);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (GcalRangeTree, gcal_range_tree_unref)
src/core/gcal-timeline.c
+59 -54
View File
@@ -308,20 +308,27 @@ update_range (GcalTimeline *self)
static void
calculate_changed_events (GcalTimeline *self,
GcalTimelineSubscriber *subscriber,
GDateTime *old_range_start,
GDateTime *old_range_end,
GDateTime *new_range_start,
GDateTime *new_range_end)
GcalRange *old_range,
GcalRange *new_range)
{
g_autoptr (GPtrArray) subscriber_array = NULL;
g_autoptr (GPtrArray) events_to_remove = NULL;
g_autoptr (GPtrArray) events_to_add = NULL;
g_autoptr (GDateTime) old_range_start = NULL;
g_autoptr (GDateTime) old_range_end = NULL;
g_autoptr (GDateTime) new_range_start = NULL;
g_autoptr (GDateTime) new_range_end = NULL;
gint range_diff;
gint i;
events_to_add = g_ptr_array_new ();
events_to_remove = g_ptr_array_new ();
old_range_start = gcal_range_get_start (old_range);
old_range_end = gcal_range_get_end (old_range);
new_range_start = gcal_range_get_start (new_range);
new_range_end = gcal_range_get_end (new_range);
/* Start ranges diff */
range_diff = g_date_time_compare (old_range_start, new_range_start);
if (range_diff != 0)
@@ -330,15 +337,19 @@ calculate_changed_events (GcalTimeline *self,
if (range_diff < 0)
{
g_autoptr (GcalRange) range = gcal_range_new (old_range_start, new_range_start, GCAL_RANGE_DEFAULT);
/* Removed */
events = gcal_range_tree_get_data_at_range (self->events, old_range_start, new_range_start);
events = gcal_range_tree_get_data_at_range (self->events, range);
if (events)
g_ptr_array_extend (events_to_remove, events, NULL, NULL);
}
else if (range_diff > 0)
{
g_autoptr (GcalRange) range = gcal_range_new (new_range_start, old_range_start, GCAL_RANGE_DEFAULT);
/* Added */
events = gcal_range_tree_get_data_at_range (self->events, new_range_start, old_range_start);
events = gcal_range_tree_get_data_at_range (self->events, range);
if (events)
g_ptr_array_extend (events_to_add, events, NULL, NULL);
}
@@ -352,13 +363,17 @@ calculate_changed_events (GcalTimeline *self,
if (range_diff < 0)
{
events = gcal_range_tree_get_data_at_range (self->events, old_range_end, new_range_end);
g_autoptr (GcalRange) range = gcal_range_new (old_range_end, new_range_end, GCAL_RANGE_DEFAULT);
events = gcal_range_tree_get_data_at_range (self->events, range);
if (events)
g_ptr_array_extend (events_to_add, events, NULL, NULL);
}
else if (range_diff > 0)
{
events = gcal_range_tree_get_data_at_range (self->events, new_range_end, old_range_end);
g_autoptr (GcalRange) range = gcal_range_new (new_range_end, old_range_end, GCAL_RANGE_DEFAULT);
events = gcal_range_tree_get_data_at_range (self->events, range);
if (events)
g_ptr_array_extend (events_to_remove, events, NULL, NULL);
}
@@ -403,6 +418,7 @@ static void
add_cached_events_to_subscriber (GcalTimeline *self,
GcalTimelineSubscriber *subscriber)
{
g_autoptr (GcalRange) subscriber_range = NULL;
g_autoptr (GDateTime) subscriber_start = NULL;
g_autoptr (GDateTime) subscriber_end = NULL;
g_autoptr (GPtrArray) subscriber_array = NULL;
@@ -413,8 +429,9 @@ add_cached_events_to_subscriber (GcalTimeline *self,
subscriber_start = gcal_timeline_subscriber_get_range_start (subscriber);
subscriber_end = gcal_timeline_subscriber_get_range_end (subscriber);
subscriber_range = gcal_range_new (subscriber_start, subscriber_end, GCAL_RANGE_DEFAULT);
events_to_add = gcal_range_tree_get_data_at_range (self->events, subscriber_start, subscriber_end);
events_to_add = gcal_range_tree_get_data_at_range (self->events, subscriber_range);
subscriber_array = g_ptr_array_new ();
g_ptr_array_add (subscriber_array, subscriber);
@@ -441,8 +458,8 @@ static void
update_subscriber_range (GcalTimeline *self,
GcalTimelineSubscriber *subscriber)
{
g_autoptr (GDateTime) new_range_start = NULL;
g_autoptr (GDateTime) new_range_end = NULL;
g_autoptr (GcalRange) old_range = NULL;
g_autoptr (GcalRange) new_range = NULL;
SubscriberData *subscriber_data;
@@ -451,26 +468,23 @@ update_subscriber_range (GcalTimeline *self,
subscriber_data = g_hash_table_lookup (self->subscribers, subscriber);
g_assert (subscriber_data != NULL);
new_range_start = gcal_timeline_subscriber_get_range_start (subscriber);
new_range_end = gcal_timeline_subscriber_get_range_end (subscriber);
old_range = gcal_range_new (subscriber_data->range_start, subscriber_data->range_end, GCAL_RANGE_DEFAULT);
new_range = gcal_range_new_take (gcal_timeline_subscriber_get_range_start (subscriber),
gcal_timeline_subscriber_get_range_end (subscriber),
GCAL_RANGE_DEFAULT);
/* Diff new and old event ranges */
calculate_changed_events (self,
subscriber,
subscriber_data->range_start,
subscriber_data->range_end,
new_range_start,
new_range_end);
calculate_changed_events (self, subscriber, old_range, new_range);
/* Update the subscriber range */
gcal_range_tree_remove_data (self->subscriber_ranges, subscriber);
gcal_range_tree_add_range (self->subscriber_ranges,
new_range_start,
new_range_end,
subscriber);
gcal_range_tree_add_range (self->subscriber_ranges, new_range, subscriber);
gcal_set_date_time (&subscriber_data->range_start, new_range_start);
gcal_set_date_time (&subscriber_data->range_end, new_range_end);
gcal_clear_date_time (&subscriber_data->range_start);
subscriber_data->range_start = gcal_range_get_start (new_range);
gcal_clear_date_time (&subscriber_data->range_end);
subscriber_data->range_end = gcal_range_get_end (new_range);
GCAL_EXIT;
}
@@ -499,16 +513,14 @@ on_calendar_monitor_event_added_cb (GcalCalendarMonitor *monitor,
GcalTimeline *self)
{
g_autoptr (GPtrArray) subscribers_at_range = NULL;
GDateTime *event_start;
GDateTime *event_end;
GcalRange *event_range;
GCAL_ENTRY;
event_start = gcal_event_get_date_start (event);
event_end = gcal_event_get_date_end (event);
event_range = gcal_event_get_range (event);
/* Add to all subscribers within the event range */
subscribers_at_range = gcal_range_tree_get_data_at_range (self->subscriber_ranges, event_start, event_end);
subscribers_at_range = gcal_range_tree_get_data_at_range (self->subscriber_ranges, event_range);
if (subscribers_at_range)
queue_event_data (self, ADD_EVENT, subscribers_at_range, event, NULL, TRUE);
@@ -523,17 +535,15 @@ on_calendar_monitor_event_updated_cb (GcalCalendarMonitor *monitor,
GcalTimeline *self)
{
g_autoptr (GPtrArray) subscribers_at_range = NULL;
GDateTime *event_start;
GDateTime *event_end;
GcalRange *event_range;
GCAL_ENTRY;
/* Add the updated event to the (potentially new) range */
event_start = gcal_event_get_date_start (event);
event_end = gcal_event_get_date_end (event);
event_range = gcal_event_get_range (event);
/* Add to all subscribers within the event range */
subscribers_at_range = gcal_range_tree_get_data_at_range (self->subscriber_ranges, event_start, event_end);
subscribers_at_range = gcal_range_tree_get_data_at_range (self->subscriber_ranges, event_range);
if (subscribers_at_range)
queue_event_data (self, UPDATE_EVENT, subscribers_at_range, event, old_event, TRUE);
@@ -547,16 +557,14 @@ on_calendar_monitor_event_removed_cb (GcalCalendarMonitor *monitor,
GcalTimeline *self)
{
g_autoptr (GPtrArray) subscribers_at_range = NULL;
GDateTime *event_start;
GDateTime *event_end;
GcalRange *event_range;
GCAL_ENTRY;
event_start = gcal_event_get_date_start (event);
event_end = gcal_event_get_date_end (event);
event_range = gcal_event_get_range (event);
/* Add to all subscribers within the event range */
subscribers_at_range = gcal_range_tree_get_data_at_range (self->subscriber_ranges, event_start, event_end);
subscribers_at_range = gcal_range_tree_get_data_at_range (self->subscriber_ranges, event_range);
if (subscribers_at_range)
queue_event_data (self, REMOVE_EVENT, subscribers_at_range, event, NULL, TRUE);
@@ -623,8 +631,7 @@ timeline_source_dispatch (GSource *source,
{
TimelineSource *timeline_source;
GcalTimeline *self;
GDateTime *event_start;
GDateTime *event_end;
GcalRange *event_range;
QueueData *queue_data;
GcalEvent *event;
gint i;
@@ -636,8 +643,7 @@ timeline_source_dispatch (GSource *source,
queue_data = g_queue_pop_head (self->event_queue);
event = queue_data->event;
event_start = gcal_event_get_date_start (event);
event_end = gcal_event_get_date_end (event);
event_range = gcal_event_get_range (event);
switch (queue_data->queue_event)
{
@@ -647,7 +653,7 @@ timeline_source_dispatch (GSource *source,
gcal_event_get_uid (event));
if (queue_data->update_range_tree)
gcal_range_tree_add_range (self->events, event_start, event_end, g_object_ref (event));
gcal_range_tree_add_range (self->events, event_range, g_object_ref (event));
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
{
@@ -668,15 +674,13 @@ timeline_source_dispatch (GSource *source,
if (queue_data->update_range_tree)
{
GDateTime *old_event_start;
GDateTime *old_event_end;
GcalRange *old_event_range;
/* Remove the old event */
old_event_start = gcal_event_get_date_start (queue_data->old_event);
old_event_end = gcal_event_get_date_end (queue_data->old_event);
old_event_range = gcal_event_get_range (queue_data->old_event);
gcal_range_tree_remove_range (self->events, old_event_start, old_event_end, queue_data->old_event);
gcal_range_tree_add_range (self->events, event_start, event_end, g_object_ref (event));
gcal_range_tree_remove_range (self->events, old_event_range, queue_data->old_event);
gcal_range_tree_add_range (self->events, event_range, g_object_ref (event));
}
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
@@ -703,7 +707,7 @@ timeline_source_dispatch (GSource *source,
}
if (queue_data->update_range_tree)
gcal_range_tree_remove_range (self->events, event_start, event_end, event);
gcal_range_tree_remove_range (self->events, event_range, event);
break;
}
@@ -1007,13 +1011,14 @@ gcal_timeline_get_events_at_range (GcalTimeline *self,
GDateTime *range_end)
{
g_autoptr (GPtrArray) events_at_range = NULL;
g_autoptr (GcalRange) range = NULL;
g_return_val_if_fail (GCAL_IS_TIMELINE (self), NULL);
g_return_val_if_fail (range_start != NULL, NULL);
g_return_val_if_fail (range_end != NULL, NULL);
g_return_val_if_fail (g_date_time_compare (range_start, range_end) < 0, NULL);
events_at_range = gcal_range_tree_get_data_at_range (self->events, range_start, range_end);
range = gcal_range_new (range_start, range_end, GCAL_RANGE_DEFAULT);
events_at_range = gcal_range_tree_get_data_at_range (self->events, range);
return g_steal_pointer (&events_at_range);
}
src/views/gcal-week-grid.c
+29 -59
View File
@@ -1,6 +1,6 @@
/* gcal-week-grid.c
*
* Copyright (C) 2016 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
* Copyright (C) 2016-2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
* Vamsi Krishna Gollapudi <pandu.sonu@yahoo.com>
*
* This program is free software: you can redistribute it and/or modify
@@ -127,14 +127,13 @@ uint16_compare (gconstpointer a,
static inline guint
get_event_index (GcalRangeTree *tree,
GDateTime *start,
GDateTime *end)
GcalRange *range)
{
g_autoptr (GPtrArray) array;
gint idx, i;
i = idx = 0;
array = gcal_range_tree_get_data_at_range (tree, start, end);
array = gcal_range_tree_get_data_at_range (tree, range);
if (!array)
return 0;
@@ -154,59 +153,35 @@ get_event_index (GcalRangeTree *tree,
static guint
count_overlaps_at_range (GcalRangeTree *self,
GDateTime *start,
GDateTime *end)
GcalRange *range)
{
g_autoptr (GDateTime) start = NULL;
g_autoptr (GDateTime) end = NULL;
guint64 counter;
gint minutes;
gint i;
g_return_val_if_fail (self, 0);
counter = 0;
start = gcal_range_get_start (range);
end = gcal_range_get_end (range);
minutes = g_date_time_difference (end, start) / G_TIME_SPAN_MINUTE;
while (g_date_time_compare (start, end) < 0)
for (i = 0; i < minutes; i++)
{
g_autoptr (GDateTime) start_plus_one = NULL;
g_autoptr (GcalRange) minute_range = NULL;
guint n_events;
start_plus_one = g_date_time_add_minutes (start, 1);
n_events = gcal_range_tree_count_entries_at_range (self, start, start_plus_one);
minute_range = gcal_range_new_take (g_date_time_add_minutes (start, i),
g_date_time_add_minutes (start, i + 1),
GCAL_RANGE_DEFAULT);
n_events = gcal_range_tree_count_entries_at_range (self, minute_range);
if (n_events == 0)
break;
counter = MAX (counter, n_events);
start = g_steal_pointer (&start_plus_one);
}
return counter;
}
static guint
count_overlaps_of_event (GcalRangeTree *self,
GDateTime *day_start,
GDateTime *day_end,
GDateTime *event_start,
GDateTime *event_end)
{
guint64 counter;
counter = count_overlaps_at_range (self, event_start, day_end);
while (g_date_time_compare (event_start, day_start) > 0)
{
g_autoptr (GDateTime) start_minus_one = NULL;
guint n_events;
start_minus_one = g_date_time_add_minutes (event_start, -1);
n_events = gcal_range_tree_count_entries_at_range (self, start_minus_one, event_start);
if (n_events == 0)
break;
counter = MAX (counter, n_events);
event_start = g_date_time_add_minutes (event_start, 1);
}
return counter;
@@ -589,20 +564,21 @@ gcal_week_grid_size_allocate (GtkWidget *widget,
*/
for (i = 0; i < 7; i++)
{
g_autoptr (GDateTime) day_start = NULL;
g_autoptr (GDateTime) day_end = NULL;
g_autoptr (GcalRange) day_range = NULL;
GPtrArray *widgets_data;
guint j;
day_start = g_date_time_add_days (week_start, i);
day_end = g_date_time_add_days (day_start, 1);
widgets_data = gcal_range_tree_get_data_at_range (self->events, day_start, day_end);
day_range = gcal_range_new_take (g_date_time_add_days (week_start, i),
g_date_time_add_days (week_start, i + 1),
GCAL_RANGE_DEFAULT);
widgets_data = gcal_range_tree_get_data_at_range (self->events, day_range);
for (j = 0; widgets_data && j < widgets_data->len; j++)
{
GtkStyleContext *context;
GtkAllocation child_allocation;
GtkWidget *event_widget;
GcalRange *event_range;
GDateTime *event_start;
GDateTime *event_end;
ChildData *data;
@@ -617,15 +593,16 @@ gcal_week_grid_size_allocate (GtkWidget *widget,
data = g_ptr_array_index (widgets_data, j);
event_widget = data->widget;
event_range = gcal_event_get_range (data->event);
event_start = gcal_event_get_date_start (data->event);
event_end = gcal_event_get_date_end (data->event);
context = gtk_widget_get_style_context (event_widget);
/* The total number of events available in this range */
events_at_range = count_overlaps_of_event (self->events, day_start, day_end, event_start, event_end);
events_at_range = count_overlaps_at_range (self->events, event_range);
/* The real horizontal position of this event */
widget_index = get_event_index (overlaps, event_start, event_end);
widget_index = get_event_index (overlaps, event_range);
/* Gtk complains about that */
gtk_widget_get_preferred_height (event_widget, NULL, &natural_height);
@@ -663,10 +640,7 @@ gcal_week_grid_size_allocate (GtkWidget *widget,
* Add the current event to the temporary overlaps tree so we have a way to
* know how many events are already positioned in the current column.
*/
gcal_range_tree_add_range (overlaps,
event_start,
event_end,
GUINT_TO_POINTER (widget_index));
gcal_range_tree_add_range (overlaps, event_range, GUINT_TO_POINTER (widget_index));
}
g_clear_pointer (&widgets_data, g_ptr_array_unref);
@@ -1114,8 +1088,7 @@ gcal_week_grid_add_event (GcalWeekGrid *self,
NULL);
gcal_range_tree_add_range (self->events,
gcal_event_get_date_start (event),
gcal_event_get_date_end (event),
gcal_event_get_range (event),
child_data_new (widget, event));
setup_event_widget (self, widget);
@@ -1146,10 +1119,7 @@ gcal_week_grid_remove_event (GcalWeekGrid *self,
if (g_strcmp0 (gcal_event_get_uid (event), uid) != 0)
continue;
gcal_range_tree_remove_range (self->events,
gcal_event_get_date_start (event),
gcal_event_get_date_end (event),
data);
gcal_range_tree_remove_range (self->events, gcal_event_get_range (event), data);
destroy_event_widget (self, data->widget);
gtk_widget_queue_allocate (GTK_WIDGET (self));
g_object_unref (event);