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federated-calendar/src/gui/views/gcal-week-header.c
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/* gcal-week-header.c
*
* 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
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#define G_LOG_DOMAIN "GcalWeekHeader"
#include "gcal-application.h"
#include "gcal-context.h"
#include "gcal-clock.h"
#include "gcal-debug.h"
#include "gcal-event-widget.h"
#include "gcal-event-widget-pool.h"
#include "gcal-gui-utils.h"
#include "gcal-utils.h"
#include "gcal-view-private.h"
#include "gcal-week-header.h"
#include "gcal-week-view.h"
#include "gcal-week-view-common.h"
#include <glib/gi18n.h>
#include <string.h>
#include <math.h>
#define GDK_ARRAY_TYPE_NAME GcalEventArray
#define GDK_ARRAY_NAME gcal_event_array
#define GDK_ARRAY_ELEMENT_TYPE GcalEvent*
#define GDK_ARRAY_PREALLOC 50
#define GDK_ARRAY_FREE_FUNC g_object_unref
#include "gdkarrayimpl.c"
/* WeatherInfoDay:
* @winfo: (nullable): Holds weather information for this week-day. All other fields are only valid if this one is not %NULL.
* @icon_buf: (nullable): Buffered weather icon.
* @x: X-position of weather indicators.
* @y: Y-positon of weather indicators.
* @width: Width of weather indicators.
* @height: Height of weather indicators.
*
* Structure represents a weather indicator for a single day.
*
* Location information are stored for mouse-over events.
*/
typedef struct
{
GcalWeatherInfo *winfo; /* owned */
GtkIconPaintable *icon_buf; /* owned */
} WeatherInfoDay;
typedef struct
{
GtkWidget *day_number_label;
GtkWidget *weekday_name_label;
} WeekdayHeader;
typedef struct
{
GcalWeekHeader *self;
GcalEvent *event;
gint drop_cell;
} DropData;
struct _GcalWeekHeader
{
GtkWidget parent;
GtkGrid *grid;
GtkWidget *scrolledwindow;
GtkEventController *motion_controller;
GtkBox *weekdays_box;
GtkWidget *main_box;
GtkFilterListModel *events_model;
GcalEventArray event_array;
GcalEventWidgetPool *event_widget_pool;
/*
* Stores the events as they come from the week-view
* The list will later be iterated after the active date is changed
* and the events will be placed
*/
GPtrArray *events[N_WEEKDAYS];
GtkWidget *overflow_label[N_WEEKDAYS];
WeekdayHeader weekday_header[N_WEEKDAYS];
gint first_weekday;
/*
* Used for checking if the header is in collapsed state or expand state
* false is collapse state true is expand state
*/
gboolean can_expand;
gboolean expanded;
GDateTime *active_date;
struct {
gint start;
gint end;
GtkWidget *widget;
} selection;
struct {
gint cell;
GtkWidget *widget;
} dnd;
/* Array of nullable weather infos for each day, starting with Sunday. */
WeatherInfoDay weather_infos[N_WEEKDAYS];
};
typedef enum
{
UP,
DOWN
} MoveDirection;
enum
{
PROP_0,
PROP_CAN_EXPAND,
PROP_EXPANDED,
N_PROPS,
};
enum
{
EVENT_ACTIVATED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0, };
static GParamSpec *properties [N_PROPS];
G_DEFINE_TYPE (GcalWeekHeader, gcal_week_header, GTK_TYPE_WIDGET);
/* WeatherInfoDay methods */
/* wid_clear:
*
* Drops all internal references and resets
* geometric information.
*/
static inline void
wid_clear (WeatherInfoDay *wid)
{
g_return_if_fail (wid != NULL);
g_clear_object (&wid->winfo);
g_clear_object (&wid->icon_buf);
}
static gint
add_weather_infos (GcalWeekHeader *self,
GPtrArray *weather_infos)
{
g_autoptr (GDateTime) week_start_dt = NULL;
GDate week_start;
gint consumed = 0;
guint i;
if (!self->active_date)
return 0;
week_start_dt = gcal_date_time_get_start_of_week (self->active_date);
g_date_set_dmy (&week_start,
g_date_time_get_day_of_month (week_start_dt),
g_date_time_get_month (week_start_dt),
g_date_time_get_year (week_start_dt));
for (i = 0; weather_infos && i < weather_infos->len; i++)
{
GcalWeatherInfo *gwi; /* unowned */
GDate gwi_date;
gint day_diff;
gwi = g_ptr_array_index (weather_infos, i);
gcal_weather_info_get_date (gwi, &gwi_date);
day_diff = g_date_days_between (&week_start, &gwi_date);
if (day_diff >= 0 && day_diff < G_N_ELEMENTS (self->weather_infos))
{
wid_clear (&self->weather_infos[day_diff]);
self->weather_infos[day_diff].winfo = g_object_ref (gwi);
consumed++;
}
}
if (consumed > 0)
gtk_widget_queue_draw (GTK_WIDGET (self));
return consumed;
}
static void
clear_weather_infos (GcalWeekHeader *self)
{
g_return_if_fail (GCAL_IS_WEEK_HEADER (self));
for (gint i = 0; i < G_N_ELEMENTS (self->weather_infos); i++)
wid_clear (&self->weather_infos[i]);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
static void
update_weather_infos (GcalWeekHeader *self)
{
GcalContext *context = gcal_application_get_context (GCAL_DEFAULT_APPLICATION);
GPtrArray *weather_infos;
GcalWeatherService *service;
g_return_if_fail (GCAL_IS_WEEK_HEADER (self));
clear_weather_infos (self);
service = gcal_context_get_weather_service (context);
weather_infos = gcal_weather_service_get_weather_infos (service);
add_weather_infos (self, weather_infos);
}
/* Event activation methods */
static void
on_event_widget_activated (GcalEventWidget *widget,
GcalWeekHeader *self)
{
g_signal_emit (self, signals[EVENT_ACTIVATED], 0, widget);
}
static inline void
setup_event_widget (GcalWeekHeader *self,
GtkWidget *widget)
{
g_signal_connect_object (widget, "activate", G_CALLBACK (on_event_widget_activated), self, 0);
}
static inline void
destroy_event_widget (GcalWeekHeader *self,
GtkWidget *widget)
{
g_signal_handlers_disconnect_by_func (widget, on_event_widget_activated, self);
gtk_grid_remove (self->grid, widget);
gcal_event_widget_pool_reclaim (self->event_widget_pool, widget);
}
/* Auxiliary methods */
static void
on_button_pressed (GtkGestureClick *click_gesture,
gint n_press,
gdouble x,
gdouble y,
GcalWeekHeader *self)
{
gboolean ltr;
gdouble column_width;
gint column;
gint width;
ltr = gtk_widget_get_direction (GTK_WIDGET (self)) != GTK_TEXT_DIR_RTL;
width = gtk_widget_get_width (self->scrolledwindow);
column_width = width / (float) N_WEEKDAYS;
column = ltr ? (x / column_width) : (N_WEEKDAYS - x / column_width);
self->selection.start = column;
self->selection.end = column;
gtk_widget_set_visible (self->selection.widget, TRUE);
gtk_event_controller_set_propagation_phase (self->motion_controller,
GTK_PHASE_BUBBLE);
}
static void
on_motion_notify (GtkEventControllerMotion *motion_event,
gdouble x,
gdouble y,
GcalWeekHeader *self)
{
gboolean ltr;
gdouble column_width;
gint column;
gint width;
ltr = gtk_widget_get_direction (GTK_WIDGET (self)) != GTK_TEXT_DIR_RTL;
width = gtk_widget_get_width (self->scrolledwindow);
column_width = width / (float) N_WEEKDAYS;
column = ltr ? (x / column_width) : (N_WEEKDAYS - x / column_width);
self->selection.end = column;
gtk_widget_queue_allocate (GTK_WIDGET (self));
}
static void
on_button_released (GtkGestureClick *click_gesture,
gint n_press,
gdouble x,
gdouble y,
GcalWeekHeader *self)
{
g_autoptr (GDateTime) selection_start = NULL;
g_autoptr (GDateTime) selection_end = NULL;
g_autoptr (GDateTime) week_start = NULL;
g_autoptr (GcalRange) range = NULL;
graphene_point_t out;
GtkWidget *weekview;
gboolean ltr;
gdouble column_width;
gdouble local_x;
gint column;
gint width;
gint start;
gint end;
ltr = gtk_widget_get_direction (GTK_WIDGET (self)) != GTK_TEXT_DIR_RTL;
width = gtk_widget_get_width (self->scrolledwindow);
column_width = width / (float) N_WEEKDAYS;
column = ltr ? (x / column_width) : (N_WEEKDAYS - x / column_width);
self->selection.end = column;
gtk_widget_queue_allocate (GTK_WIDGET (self));
/* Fake the week view's event so we can control the X and Y values */
weekview = gtk_widget_get_ancestor (GTK_WIDGET (self), GCAL_TYPE_WEEK_VIEW);
start = self->selection.start;
end = self->selection.end;
if (start > end)
{
start = start + end;
end = start - end;
start = start - end;
}
week_start = gcal_date_time_get_start_of_week (self->active_date);
selection_start = g_date_time_add_days (week_start, start);
selection_end = end == start ? g_date_time_ref (selection_start) : g_date_time_add_days (week_start, end + 1);
local_x = ltr ? (column_width * (column + 0.5)) : (width - column_width * (column + 0.5));
if (!gtk_widget_compute_point (GTK_WIDGET (self),
weekview,
&GRAPHENE_POINT_INIT (local_x, gtk_widget_get_height (GTK_WIDGET (self))),
&out))
g_assert_not_reached ();
range = gcal_range_new (selection_start, selection_end, GCAL_RANGE_DATE_ONLY);
gcal_view_create_event (GCAL_VIEW (weekview), range, out.x, out.y);
gtk_event_controller_set_propagation_phase (self->motion_controller, GTK_PHASE_NONE);
}
static void
on_weather_update (GcalWeatherService *weather_service,
GcalWeekHeader *self)
{
g_assert (GCAL_IS_WEATHER_SERVICE (weather_service));
g_assert (GCAL_IS_WEEK_HEADER (self));
update_weather_infos (self);
}
static inline gint
get_today_column (GcalWeekHeader *self)
{
g_autoptr (GDateTime) week_start = NULL;
g_autoptr (GDateTime) today = NULL;
gint days_diff;
today = g_date_time_new_now_local ();
week_start = gcal_date_time_get_start_of_week (self->active_date);
days_diff = g_date_time_difference (today, week_start) / G_TIME_SPAN_DAY;
/* Today is out of range */
if (g_date_time_compare (today, week_start) < 0 || days_diff > N_WEEKDAYS)
return -1;
return days_diff;
}
static gint
compare_events_by_length (GcalEvent **event1,
GcalEvent **event2)
{
/* Multiday events should come before single day events */
if (gcal_event_is_multiday (*event1) != gcal_event_is_multiday (*event2))
return gcal_event_is_multiday (*event2) - gcal_event_is_multiday (*event1);
/* Compare with respect to start day */
return gcal_event_compare (*event1, *event2);
}
static gint
add_event_to_weekday (GcalWeekHeader *self,
GcalEvent *event,
gint weekday)
{
guint position = 0;
g_ptr_array_add (self->events[weekday], g_object_ref (event));
g_ptr_array_sort (self->events[weekday], (GCompareFunc) compare_events_by_length);
if (!g_ptr_array_find (self->events[weekday], event, &position))
g_assert_not_reached ();
return position;
}
static gboolean
is_event_visible (GcalWeekHeader *self,
gint weekday,
gint position)
{
gboolean show_label;
if (self->expanded)
return TRUE;
show_label = self->events[weekday]->len > 3;
return show_label ? position < 2 : position < 3;
}
/* Grid management */
static void
update_overflow (GcalWeekHeader *self)
{
gboolean show_expand;
gint i;
show_expand = FALSE;
for (i = 0; i < N_WEEKDAYS; i++)
{
GtkWidget *label;
gboolean show_label;
gint n_events;
n_events = self->events[i]->len;
show_label = n_events > 3;
label = self->overflow_label[i];
show_expand = show_expand || show_label;
if (show_label && !self->expanded)
{
gchar *text;
text = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE, "Other event", "Other %d events", n_events - 2), n_events - 2);
/* TODO: use a button and show an overflow popover */
if (!label)
{
label = gtk_label_new ("");
gtk_grid_attach (self->grid,
label,
i,
3,
1,
1);
self->overflow_label[i] = label;
}
gtk_label_set_label (GTK_LABEL (label), text);
gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
g_free (text);
}
else if (label)
{
gtk_grid_remove (self->grid, label);
self->overflow_label[i] = NULL;
}
}
if (self->can_expand != show_expand)
{
self->can_expand = show_expand;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_CAN_EXPAND]);
}
}
static void
merge_events (GcalWeekHeader *self,
GtkWidget *event,
GtkWidget *to_be_removed)
{
GtkLayoutManager *layout_manager;
GtkLayoutChild *layout_child;
GDateTime *end_date;
gint deleted_width, current_width;
/* Setup the new end date of the merged event */
end_date = gcal_event_widget_get_date_end (GCAL_EVENT_WIDGET (to_be_removed));
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (event), end_date);
/* Retrieve the current sizes */
layout_manager = gtk_widget_get_layout_manager (GTK_WIDGET (self->grid));
layout_child = gtk_layout_manager_get_layout_child (layout_manager, to_be_removed);
deleted_width = gtk_grid_layout_child_get_column_span (GTK_GRID_LAYOUT_CHILD (layout_child));
layout_child = gtk_layout_manager_get_layout_child (layout_manager, event);
current_width = gtk_grid_layout_child_get_column_span (GTK_GRID_LAYOUT_CHILD (layout_child));
destroy_event_widget (self, to_be_removed);
/* Update the event's size */
gtk_grid_layout_child_set_column_span (GTK_GRID_LAYOUT_CHILD (layout_child),
current_width + deleted_width);
}
static void
check_mergeable_events (GcalWeekHeader *self)
{
GList *checked_events[N_WEEKDAYS] = { NULL, };
gint weekday;
/* We don't need to check the last column */
for (weekday = 0; weekday < N_WEEKDAYS - 1; weekday++)
{
gint index = 0;
for (gsize i = 0; i < self->events[weekday]->len; i++)
{
GcalEvent *current_event;
gint events_to_merge;
current_event = g_ptr_array_index (self->events[weekday], i);
events_to_merge = 0;
if (g_list_find (checked_events[weekday], current_event))
{
index++;
continue;
}
else
{
checked_events[weekday] = g_list_prepend (checked_events[weekday], current_event);
}
/*
* Horizontally check if the next cells have the same event
* than the current cell.
*/
for (gsize j = 1; j < N_WEEKDAYS - weekday; j++)
{
GcalEvent *next_event;
if (index >= self->events[weekday + j]->len)
break;
next_event = g_ptr_array_index (self->events[weekday + j], index);
if (next_event != current_event)
break;
events_to_merge++;
/* Add to the list of checked days so we don't check it more times than necessary */
checked_events[weekday + j] = g_list_prepend (checked_events[weekday + j], current_event);
}
/* We found events to merge. Lets merge them */
for (gsize j = 0; j < events_to_merge; j++)
{
GtkWidget *current_widget, *to_be_removed;
current_widget = gtk_grid_get_child_at (self->grid, weekday + j, index + 1);
to_be_removed = gtk_grid_get_child_at (self->grid, weekday + j + 1, index + 1);
/*
* We don't want to merge:
* - Overflow labels
* - The same widget
* - Widgets with different visibilities (i.e. broken by overflow
*/
if (!GCAL_IS_EVENT_WIDGET (current_widget) ||
!GCAL_IS_EVENT_WIDGET (to_be_removed) ||
current_widget == to_be_removed ||
gtk_widget_get_visible (current_widget) != gtk_widget_get_visible (to_be_removed))
{
continue;
}
merge_events (self, current_widget, to_be_removed);
gtk_widget_set_visible (current_widget, is_event_visible (self, weekday + j, index));
}
index++;
}
/* We can get rid of the checked list here */
g_list_free (checked_events[weekday]);
}
}
static void
split_event_widget_at_column (GcalWeekHeader *self,
GtkWidget *widget,
gint column)
{
GtkLayoutManager *layout_manager;
GtkLayoutChild *layout_child;
GDateTime *week_start, *column_date, *end_column_date;
GcalEvent *event;
gboolean create_before;
gboolean create_after;
gint left_attach;
gint top_attach;
gint new_width;
gint old_width;
week_start = gcal_date_time_get_start_of_week (self->active_date);
column_date = g_date_time_add_days (week_start, column);
end_column_date = g_date_time_add_days (column_date, 1);
layout_manager = gtk_widget_get_layout_manager (GTK_WIDGET (self->grid));
layout_child = gtk_layout_manager_get_layout_child (layout_manager, widget);
top_attach = gtk_grid_layout_child_get_row (GTK_GRID_LAYOUT_CHILD (layout_child));
left_attach = gtk_grid_layout_child_get_column (GTK_GRID_LAYOUT_CHILD (layout_child));
old_width = gtk_grid_layout_child_get_column_span (GTK_GRID_LAYOUT_CHILD (layout_child));
create_before = column > 0 && left_attach < column;
create_after = column < N_WEEKDAYS - 1 && old_width > 1 && left_attach + old_width > column + 1;
event = gcal_event_widget_get_event (GCAL_EVENT_WIDGET (widget));
if (create_before)
{
GtkWidget *widget_before;
widget_before = gcal_event_widget_pool_take_or_create (self->event_widget_pool, event);
g_assert (GCAL_IS_EVENT_WIDGET (widget_before));
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (widget_before), column_date);
setup_event_widget (self, widget_before);
gtk_grid_attach (self->grid,
widget_before,
left_attach,
top_attach,
column - left_attach,
1);
gtk_widget_set_visible (widget_before, is_event_visible (self, left_attach, top_attach - 1));
new_width = old_width - column + left_attach;
old_width = new_width;
left_attach = column;
/* Update the current event position, size and start date */
gtk_grid_layout_child_set_column (GTK_GRID_LAYOUT_CHILD (layout_child), left_attach);
gtk_grid_layout_child_set_column_span (GTK_GRID_LAYOUT_CHILD (layout_child), new_width);
gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (widget), column_date);
gtk_widget_set_visible (widget, is_event_visible (self, left_attach, top_attach - 1));
}
/* Create a new widget after the current widget */
if (create_after)
{
g_autoptr (GDateTime) event_end = NULL;
GtkWidget *widget_after;
event_end = g_date_time_to_local (gcal_event_widget_get_date_end (GCAL_EVENT_WIDGET (widget)));
widget_after = gcal_event_widget_pool_take_or_create (self->event_widget_pool, event);
g_assert (GCAL_IS_EVENT_WIDGET (widget_after));
gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (widget_after), end_column_date);
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (widget_after), event_end);
setup_event_widget (self, widget_after);
gtk_grid_attach (self->grid,
widget_after,
column + 1,
top_attach,
old_width - 1,
1);
new_width = column - left_attach + 1;
/* Only update the current widget's width */
gtk_grid_layout_child_set_column_span (GTK_GRID_LAYOUT_CHILD (layout_child), new_width);
gtk_widget_set_visible (widget_after, is_event_visible (self, column + 1, top_attach - 1));
}
g_clear_pointer (&end_column_date, g_date_time_unref);
g_clear_pointer (&column_date, g_date_time_unref);
g_clear_pointer (&week_start, g_date_time_unref);
}
static void
move_events_at_column (GcalWeekHeader *self,
MoveDirection direction,
gint column,
gint start_at)
{
GtkLayoutManager *layout_manager;
GtkWidget *child;
layout_manager = gtk_widget_get_layout_manager (GTK_WIDGET (self->grid));
/* First, lets find the widgets at this column */
for (child = gtk_widget_get_first_child (GTK_WIDGET (self->grid));
child;
child = gtk_widget_get_next_sibling (child))
{
gint top_attach, left_attach, width;
GtkLayoutChild *layout_child;
/* Get the widget's current position... */
layout_child = gtk_layout_manager_get_layout_child (layout_manager, child);
top_attach = gtk_grid_layout_child_get_row (GTK_GRID_LAYOUT_CHILD (layout_child));
left_attach = gtk_grid_layout_child_get_column (GTK_GRID_LAYOUT_CHILD (layout_child));
width = gtk_grid_layout_child_get_column_span (GTK_GRID_LAYOUT_CHILD (layout_child));
if (left_attach != column || start_at > top_attach - 1 || !GCAL_IS_EVENT_WIDGET (child))
continue;
/* If this is a multiday event, break it */
if (width > 1)
split_event_widget_at_column (self, child, column);
top_attach = top_attach + (direction == DOWN ? 1 : -1);
/* And move it to position + 1 */
gtk_grid_layout_child_set_row (GTK_GRID_LAYOUT_CHILD (layout_child), top_attach);
gtk_widget_set_visible (child, is_event_visible (self, left_attach, top_attach - 1));
}
}
static void
apply_overflow_at_weekday (GcalWeekHeader *self,
guint weekday)
{
GtkWidget *child;
/*
* If we don't need overflow, or we already applied the overflow,
* we don't need to do anything els.
*/
if (self->expanded || self->overflow_label[weekday] || self->events[weekday]->len < 4)
return;
child = gtk_grid_get_child_at (self->grid, weekday, 3);
if (!child)
return;
split_event_widget_at_column (self, child, weekday);
gtk_widget_set_visible (child, FALSE);
}
static void
add_event_to_grid (GcalWeekHeader *self,
GcalEvent *event,
gint start,
gint end)
{
g_autoptr (GDateTime) week_start = NULL;
g_autoptr (GDateTime) week_end = NULL;
GtkLayoutManager *layout_manager;
GtkWidget *widget;
gboolean is_visible, was_visible;
gint position;
gint i;
/* Take a reference to the event */
g_object_ref (event);
/* Add at least at the first weekday */
position = add_event_to_weekday (self, event, start);
move_events_at_column (self, DOWN, start, position);
/* Add the event to the grid */
widget = gcal_event_widget_pool_take_or_create (self->event_widget_pool, event);
g_assert (GCAL_IS_EVENT_WIDGET (widget));
setup_event_widget (self, widget);
gtk_grid_attach (self->grid,
widget,
start,
position + 1,
1,
1);
/* Setup event visibility */
is_visible = is_event_visible (self, start, position);
gtk_widget_set_visible (widget, is_visible);
/* Eventually apply the overflow rules */
apply_overflow_at_weekday (self, start);
/* Single-day events are the simplest case, and the code above is enough to deal with them */
if (!gcal_event_is_multiday (event))
return;
week_start = gcal_date_time_get_start_of_week (self->active_date);
week_end = gcal_date_time_get_end_of_week (self->active_date);
gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (widget), week_start);
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (widget), week_end);
layout_manager = gtk_widget_get_layout_manager (GTK_WIDGET (self->grid));
/*
* In addition to moving the current column's events below, multiday
* events must also move the events from ~all~ the columns it spans
* below
*/
for (i = start + 1; i <= end; i++)
{
gint new_position;
/* Add the event to that day */
new_position = add_event_to_weekday (self, event, i);
was_visible = is_visible;
is_visible = is_event_visible (self, i, new_position);
move_events_at_column (self, DOWN, i, new_position);
/* Add the event to the grid */
if (new_position == position && was_visible == is_visible)
{
GtkLayoutChild *layout_child;
layout_child = gtk_layout_manager_get_layout_child (layout_manager, widget);
gtk_grid_layout_child_set_column_span (GTK_GRID_LAYOUT_CHILD (layout_child),
i - start + 1);
}
else
{
GDateTime *cloned_widget_start_dt;
GtkWidget *cloned_widget;
cloned_widget_start_dt = g_date_time_add_days (week_start, i);
cloned_widget = gcal_event_widget_pool_take_or_create (self->event_widget_pool, event);
g_assert (GCAL_IS_EVENT_WIDGET (cloned_widget));
setup_event_widget (self, cloned_widget);
gtk_grid_attach (self->grid,
cloned_widget,
i,
new_position + 1,
1,
1);
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (widget), cloned_widget_start_dt);
gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (cloned_widget), cloned_widget_start_dt);
/* From now on, let's modify this widget */
widget = cloned_widget;
gtk_widget_set_visible (widget, is_visible);
g_clear_pointer (&cloned_widget_start_dt, g_date_time_unref);
}
/* Eventually apply the overflow rules */
apply_overflow_at_weekday (self, i);
/* Update the widget's end date */
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (widget), week_end);
}
}
static void
add_event (GcalWeekHeader *self,
GcalEvent *event)
{
g_autoptr (GDateTime) event_start = NULL;
g_autoptr (GDateTime) event_end = NULL;
g_autoptr (GDateTime) week_start = NULL;
g_autoptr (GDateTime) week_end = NULL;
gboolean all_day;
gint start, end;
g_return_if_fail (GCAL_IS_WEEK_HEADER (self));
all_day = gcal_event_get_all_day (event);
week_start = gcal_date_time_get_start_of_week (self->active_date);
week_end = gcal_date_time_get_end_of_week (self->active_date);
/* Retrieve the real start and end dates */
if (all_day)
{
GDateTime *utc_week_start, *utc_week_end, *aux;
utc_week_start = g_date_time_new_utc (g_date_time_get_year (week_start),
g_date_time_get_month (week_start),
g_date_time_get_day_of_month (week_start),
0, 0, 0);
utc_week_end = g_date_time_new_utc (g_date_time_get_year (week_end),
g_date_time_get_month (week_end),
g_date_time_get_day_of_month (week_end),
0, 0, 0);
event_start = g_date_time_ref (gcal_event_get_date_start (event));
event_end = g_date_time_ref (gcal_event_get_date_end (event));
/*
* Switch the week start and end by the UTC variants, in
* order to correctly compare all-day events.
*/
aux = week_start;
week_start = utc_week_start;
gcal_clear_date_time (&aux);
aux = week_end;
week_end = utc_week_end;
gcal_clear_date_time (&aux);
}
else
{
event_start = g_date_time_to_local (gcal_event_get_date_start (event));
event_end = g_date_time_to_local (gcal_event_get_date_end (event));
}
/* Start position */
if (g_date_time_compare (event_start, week_start) >= 0)
start = floor (g_date_time_difference (event_start, week_start) / G_TIME_SPAN_DAY);
else
start = 0;
/* End position */
if (g_date_time_compare (event_end, week_end) < 0)
end = floor (g_date_time_difference (event_end, week_start) / G_TIME_SPAN_DAY) - all_day;
else
end = N_WEEKDAYS - 1;
/* Sanity checks */
if (start > end || start > N_WEEKDAYS - 1 || end < 0)
{
g_warning ("Error adding event '%s' to the week header", gcal_event_get_summary (event));
return;
}
/* Add the event widget to the grid */
add_event_to_grid (self, event, start, end);
/* Check if we eventually can merge events */
check_mergeable_events (self);
/* And also update the overflow labels */
update_overflow (self);
}
static void
remove_event (GcalWeekHeader *self,
GcalEvent *event)
{
GtkWidget *child;
gint weekday;
g_return_if_fail (GCAL_IS_WEEK_HEADER (self));
child = gtk_widget_get_first_child (GTK_WIDGET (self->grid));
while (child)
{
GtkWidget *next = gtk_widget_get_next_sibling (child);
if (GCAL_IS_EVENT_WIDGET (child))
{
GcalEventWidget *child_widget = GCAL_EVENT_WIDGET (child);
if (gcal_event_widget_get_event (child_widget) == event)
destroy_event_widget (self, child);
}
child = next;
}
/* Remove from the weekday's GList */
for (weekday = 0; weekday < N_WEEKDAYS; weekday++)
{
guint event_position;
if (!g_ptr_array_find (self->events[weekday], event, &event_position))
continue;
/* Remove from the current weekday */
g_ptr_array_remove_index (self->events[weekday], event_position);
/* Move remaining events up */
move_events_at_column (self, UP, weekday, event_position);
}
/* Check if we eventually can merge events */
check_mergeable_events (self);
/* And also update the overflow labels */
update_overflow (self);
}
static void
update_unchanged_events (GcalWeekHeader *self,
GDateTime *new_date)
{
g_autoptr (GHashTable) events_to_update = NULL;
g_autoptr (GDateTime) new_week_start = NULL;
g_autoptr (GDateTime) utc_week_start = NULL;
g_autoptr (GDateTime) new_week_end = NULL;
g_autoptr (GDateTime) utc_week_end = NULL;
GHashTableIter iter;
gint weekday;
events_to_update = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, NULL);
new_week_start = gcal_date_time_get_start_of_week (new_date);
new_week_end = gcal_date_time_get_end_of_week (new_date);
utc_week_start = g_date_time_new_utc (g_date_time_get_year (new_week_start),
g_date_time_get_month (new_week_start),
g_date_time_get_day_of_month (new_week_start),
0, 0, 0);
utc_week_end = g_date_time_add_days (utc_week_start, N_WEEKDAYS);
for (weekday = 0; weekday < N_WEEKDAYS; weekday++)
{
for (gsize i = 0; i < self->events[weekday]->len; i++)
{
g_autoptr (GDateTime) event_start = NULL;
g_autoptr (GDateTime) event_end = NULL;
GDateTime *week_start, *week_end;
GcalEvent *event;
event = g_ptr_array_index (self->events[weekday], i);
/*
* When the event is all day, we must be careful to compare its dates
* against the UTC variants of the week start and end dates.
*/
if (gcal_event_get_all_day (event))
{
event_start = g_date_time_ref (gcal_event_get_date_start (event));
event_end = g_date_time_ref (gcal_event_get_date_end (event));
week_start = utc_week_start;
week_end = utc_week_end;
}
else
{
event_start = g_date_time_to_local (gcal_event_get_date_start (event));
event_end = g_date_time_to_local (gcal_event_get_date_end (event));
week_start = new_week_start;
week_end = new_week_end;
}
/*
* Check if the event must be updated. If we're going to the future, updatable events
* are events that started somewhere in the past, and are still present. If we're
* going to the past, updatable events are events that started
*/
if (g_date_time_compare (event_start, week_end) < 0 &&
g_date_time_compare (event_end, week_start) > 0 &&
!g_hash_table_contains (events_to_update, event))
{
g_hash_table_add (events_to_update, g_object_ref (event));
}
}
}
g_hash_table_iter_init (&iter, events_to_update);
{
GcalEvent *event;
while (g_hash_table_iter_next (&iter, (gpointer *) &event, NULL))
{
remove_event (self, event);
add_event (self, event);
}
}
}
/* Header */
static void
update_title (GcalWeekHeader *self)
{
g_autoptr (GDateTime) week_start = NULL;
gint today_column;
if(!self->active_date)
return;
week_start = gcal_date_time_get_start_of_week (self->active_date);
today_column = get_today_column (self);
for (gint i = 0; i < N_WEEKDAYS; i++)
{
g_autoptr (GDateTime) day = NULL;
g_autofree gchar *weekday_date = NULL;
g_autofree gchar *weekday_abv = NULL;
g_autofree gchar *weekday = NULL;
WeekdayHeader *header;
gint n_day;
day = g_date_time_add_days (week_start, i);
n_day = g_date_time_get_day_of_month (day);
if (n_day > g_date_get_days_in_month (g_date_time_get_month (week_start), g_date_time_get_year (week_start)))
n_day = n_day - g_date_get_days_in_month (g_date_time_get_month (week_start), g_date_time_get_year (week_start));
header = &self->weekday_header[i];
if (i == today_column)
{
gtk_widget_add_css_class (header->weekday_name_label, "accent");
gtk_widget_add_css_class (header->day_number_label, "accent");
gtk_widget_remove_css_class (header->weekday_name_label, "dimmed");
gtk_widget_remove_css_class (header->day_number_label, "dimmed");
}
else
{
gtk_widget_remove_css_class (header->weekday_name_label, "accent");
gtk_widget_remove_css_class (header->day_number_label, "accent");
gtk_widget_add_css_class (header->weekday_name_label, "dimmed");
gtk_widget_add_css_class (header->day_number_label, "dimmed");
}
weekday_date = g_strdup_printf ("%d", n_day);
gtk_label_set_label (GTK_LABEL (header->day_number_label), weekday_date);
weekday = g_date_time_format (day, "%a");
weekday_abv = g_utf8_strup (weekday, -1);
gtk_label_set_label (GTK_LABEL (header->weekday_name_label), weekday_abv);
}
}
static void
header_collapse (GcalWeekHeader *self)
{
GtkLayoutManager *layout_manager;
GtkWidget *child;
self->expanded = FALSE;
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (self->scrolledwindow),
GTK_POLICY_NEVER,
GTK_POLICY_NEVER);
gtk_scrolled_window_set_max_content_height (GTK_SCROLLED_WINDOW (self->scrolledwindow), -1);
layout_manager = gtk_widget_get_layout_manager (GTK_WIDGET (self->grid));
for (child = gtk_widget_get_first_child (GTK_WIDGET (self->grid));
child;
child = gtk_widget_get_next_sibling (child))
{
GtkLayoutChild *layout_child;
gint top_attach, left_attach;
layout_child = gtk_layout_manager_get_layout_child (layout_manager, child);
left_attach = gtk_grid_layout_child_get_column (GTK_GRID_LAYOUT_CHILD (layout_child));
top_attach = gtk_grid_layout_child_get_row (GTK_GRID_LAYOUT_CHILD (layout_child));
gtk_widget_set_visible (child, is_event_visible (self, left_attach, top_attach - 1));
apply_overflow_at_weekday (self, left_attach);
}
update_overflow (self);
}
static void
header_expand (GcalWeekHeader *self)
{
GtkLayoutManager *layout_manager;
GtkWidget *week_view;
GtkWidget *child;
week_view = gtk_widget_get_ancestor (GTK_WIDGET (self), GCAL_TYPE_WEEK_VIEW);
layout_manager = gtk_widget_get_layout_manager (GTK_WIDGET (self->grid));
self->expanded = TRUE;
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (self->scrolledwindow),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
/* TODO: animate this transition */
gtk_scrolled_window_set_max_content_height (GTK_SCROLLED_WINDOW (self->scrolledwindow),
gtk_widget_get_height (week_view) / 2);
child = gtk_widget_get_first_child (GTK_WIDGET (self->grid));
while (child)
{
GtkWidget *next = gtk_widget_get_next_sibling (child);
/* Remove any remaining labels */
if (GTK_IS_LABEL (child))
{
GtkLayoutChild *layout_child;
gint column;
layout_child = gtk_layout_manager_get_layout_child (layout_manager, child);
column = gtk_grid_layout_child_get_column (GTK_GRID_LAYOUT_CHILD (layout_child));
self->overflow_label[column] = NULL;
gtk_grid_remove (self->grid, child);
}
else
{
gtk_widget_set_visible (child, TRUE);
}
child = next;
}
/* Merge events that were broken because of the overflow label */
check_mergeable_events (self);
}
static void
on_expand_action_activated (GcalWeekHeader *self,
gpointer user_data)
{
if (self->expanded)
header_collapse (self);
else
header_expand (self);
}
static gint
get_dnd_cell (GcalWeekHeader *self,
gint x,
gint y)
{
gdouble column_width;
column_width = gtk_widget_get_width (GTK_WIDGET (self)) / (float) N_WEEKDAYS;
return x / column_width;
}
static void
move_event_to_cell (GcalWeekHeader *self,
GcalEvent *event,
guint cell,
GcalRecurrenceModType mod_type)
{
GcalContext *context = gcal_application_get_context (GCAL_DEFAULT_APPLICATION);
g_autoptr (GDateTime) week_start = NULL;
g_autoptr (GDateTime) dnd_date = NULL;
g_autoptr (GDateTime) new_end = NULL;
g_autoptr (GDateTime) tmp_dt = NULL;
g_autoptr (GcalEvent) changed_event = NULL;
GDateTime *start_date;
GDateTime *end_date;
GTimeSpan difference;
GCAL_ENTRY;
/* RTL languages swap the drop cell column */
if (gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL)
cell = N_WEEKDAYS - 1 - cell;
changed_event = gcal_event_new_from_event (event);
start_date = gcal_event_get_date_start (changed_event);
end_date = gcal_event_get_date_end (changed_event);
week_start = gcal_date_time_get_start_of_week (self->active_date);
if (!gcal_event_get_all_day (changed_event))
{
/*
* The only case where we don't touch the timezone is for
* timed, multiday events.
*/
tmp_dt = g_date_time_new (g_date_time_get_timezone (start_date),
g_date_time_get_year (week_start),
g_date_time_get_month (week_start),
g_date_time_get_day_of_month (week_start),
g_date_time_get_hour (start_date),
g_date_time_get_minute (start_date),
0);
}
else
{
tmp_dt = g_date_time_new_utc (g_date_time_get_year (week_start),
g_date_time_get_month (week_start),
g_date_time_get_day_of_month (week_start),
0, 0, 0);
}
dnd_date = g_date_time_add_days (tmp_dt, cell);
/* End date */
difference = g_date_time_difference (end_date, start_date) / G_TIME_SPAN_MINUTE;
new_end = g_date_time_add_minutes (dnd_date, difference);
gcal_event_set_date_end (changed_event, new_end);
/*
* Set the start date ~after~ the end date, so we can compare
* the event's start and end dates above
*/
gcal_event_set_date_start (changed_event, dnd_date);
/* Commit the changes */
gcal_manager_update_event (gcal_context_get_manager (context), changed_event, mod_type);
}
static void
on_ask_recurrence_response_cb (GcalEvent *event,
GcalRecurrenceModType mod_type,
gpointer user_data)
{
DropData *data = user_data;
if (mod_type != GCAL_RECURRENCE_MOD_NONE)
move_event_to_cell (data->self, data->event, data->drop_cell, mod_type);
g_clear_object (&data->event);
g_clear_pointer (&data, g_free);
}
static gboolean
on_drop_target_drop_cb (GtkDropTarget *drop_target,
const GValue *value,
gdouble x,
gdouble y,
GcalWeekHeader *self)
{
GcalEventWidget *event_widget;
GcalEvent *event;
gint cell;
GCAL_ENTRY;
if (!G_VALUE_HOLDS (value, GCAL_TYPE_EVENT_WIDGET))
GCAL_RETURN (FALSE);
cell = get_dnd_cell (self, x, y);
event_widget = g_value_get_object (value);
event = gcal_event_widget_get_event (event_widget);
if (gcal_event_has_recurrence (event))
{
DropData *data;
data = g_new0 (DropData, 1);
data->self = self;
data->event = g_object_ref (event);
data->drop_cell = cell;
gcal_utils_ask_recurrence_modification_type (GTK_WIDGET (self),
event,
FALSE,
on_ask_recurrence_response_cb,
data);
}
else
{
move_event_to_cell (self, event, cell, GCAL_RECURRENCE_MOD_THIS_ONLY);
}
GCAL_RETURN (TRUE);
}
static GdkDragAction
on_drop_target_enter_cb (GtkDropTarget *drop_target,
gdouble x,
gdouble y,
GcalWeekHeader *self)
{
GCAL_ENTRY;
self->dnd.cell = get_dnd_cell (self, x, y);
gtk_widget_set_visible (self->dnd.widget, self->dnd.cell != -1);
GCAL_RETURN (self->dnd.cell != -1 ? GDK_ACTION_COPY : 0);
}
static void
on_drop_target_leave_cb (GtkDropTarget *drop_target,
GcalWeekHeader *self)
{
GCAL_ENTRY;
self->dnd.cell = -1;
gtk_widget_set_visible (self->dnd.widget, FALSE);
GCAL_EXIT;
}
static GdkDragAction
on_drop_target_motion_cb (GtkDropTarget *drop_target,
gdouble x,
gdouble y,
GcalWeekHeader *self)
{
GCAL_ENTRY;
self->dnd.cell = get_dnd_cell (self, x, y);
gtk_widget_set_visible (self->dnd.widget, self->dnd.cell != -1);
gtk_widget_queue_allocate (GTK_WIDGET (self));
GCAL_RETURN (self->dnd.cell != -1 ? GDK_ACTION_COPY : 0);
}
static gboolean
event_is_all_day_or_multiday_func (gpointer item,
gpointer user_data)
{
GcalEvent *event = (GcalEvent *) item;
g_assert (GCAL_IS_EVENT (event));
return gcal_event_get_all_day (event) || gcal_event_is_multiday (event);
}
static void
events_changed_cb (GListModel *model,
guint position,
guint removed,
guint added,
GcalWeekHeader *self)
{
g_autoptr (GPtrArray) added_events = NULL;
added_events = g_ptr_array_new_full (added, NULL);
for (unsigned int i = 0; i < removed; i++)
{
GcalEvent *event = gcal_event_array_get (&self->event_array, position + i);
g_assert (GCAL_IS_EVENT (event));
remove_event (self, event);
}
for (unsigned int i = 0; i < added; i++)
{
g_autoptr (GcalEvent) event = g_list_model_get_item (model, position + i);
g_assert (GCAL_IS_EVENT (event));
g_ptr_array_add (added_events, g_object_ref (event));
add_event (self, event);
}
gcal_event_array_splice (&self->event_array,
position,
removed,
FALSE,
(GcalEvent **) added_events->pdata,
added_events->len);
}
/* Drawing area content and size */
static void
gcal_week_header_measure (GtkWidget *widget,
GtkOrientation orientation,
gint for_size,
gint *minimum,
gint *natural,
gint *minimum_baseline,
gint *natural_baseline)
{
GcalWeekHeader *self = (GcalWeekHeader *) widget;
g_assert (GCAL_IS_WEEK_HEADER (self));
gtk_widget_measure (self->main_box,
orientation,
for_size,
minimum, natural,
minimum_baseline,
natural_baseline);
}
static void
gcal_week_header_size_allocate (GtkWidget *widget,
gint width,
gint height,
gint baseline)
{
GcalWeekHeader *self = (GcalWeekHeader *) widget;
gboolean ltr;
gdouble cell_width;
g_assert (GCAL_IS_WEEK_HEADER (self));
gtk_widget_allocate (self->main_box, width, height, baseline, NULL);
ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL;
cell_width = width / (float) N_WEEKDAYS;
if (gtk_widget_should_layout (self->selection.widget))
{
gint selection_width;
gint selection_x;
gint start, end;
g_assert (self->selection.start != -1);
g_assert (self->selection.end != -1);
start = self->selection.start;
end = self->selection.end;
if (start > end)
{
start = start + end;
end = start - end;
start = start - end;
}
selection_width = (end - start + 1) * cell_width;
selection_x = ltr ? (start * cell_width) : (width - (start * cell_width + selection_width));
gtk_widget_size_allocate (self->selection.widget,
&(GtkAllocation) {
.x = ALIGNED (selection_x),
.y = -6,
.width = ALIGNED (selection_width + 1),
.height = height + 6,
},
baseline);
}
if (gtk_widget_should_layout (self->dnd.widget))
{
gtk_widget_size_allocate (self->dnd.widget,
&(GtkAllocation) {
.x = self->dnd.cell * cell_width,
.y = -6,
.width = cell_width,
.height = height + 6,
},
baseline);
}
}
static void
gcal_week_header_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GcalWeekHeader *self;
gboolean ltr;
gint height;
gint width;
gint x;
/* Fonts and colour selection */
self = GCAL_WEEK_HEADER (widget);
ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL;
width = gtk_widget_get_width (widget);
height = gtk_widget_get_height (widget);
x = ALIGNED (ltr ? 0 : width);
gtk_snapshot_save (snapshot);
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (x, 0));
gcal_week_view_common_snapshot_hour_lines (widget, snapshot, GTK_ORIENTATION_HORIZONTAL, width, height);
gtk_snapshot_restore (snapshot);
gtk_widget_snapshot_child (widget, self->selection.widget, snapshot);
gtk_widget_snapshot_child (widget, self->dnd.widget, snapshot);
gtk_widget_snapshot_child (widget, self->main_box, snapshot);
}
/*
* GObject overrides
*/
static void
gcal_week_header_dispose (GObject *object)
{
GcalWeekHeader *self = (GcalWeekHeader *) object;
g_assert (GCAL_IS_WEEK_HEADER (self));
g_clear_pointer (&self->dnd.widget, gtk_widget_unparent);
g_clear_pointer (&self->selection.widget, gtk_widget_unparent);
gtk_widget_dispose_template (GTK_WIDGET (self), GCAL_TYPE_WEEK_HEADER);
G_OBJECT_CLASS (gcal_week_header_parent_class)->dispose (object);
}
static void
gcal_week_header_finalize (GObject *object)
{
GcalWeekHeader *self = GCAL_WEEK_HEADER (object);
gint i;
g_clear_object (&self->event_widget_pool);
gcal_event_array_clear (&self->event_array);
g_clear_object (&self->events_model);
gcal_clear_date_time (&self->active_date);
for (i = 0; i < N_WEEKDAYS; i++)
g_clear_pointer (&self->events[i], g_ptr_array_unref);
for (i = 0; i < G_N_ELEMENTS (self->weather_infos); i++)
wid_clear (&self->weather_infos[i]);
G_OBJECT_CLASS (gcal_week_header_parent_class)->finalize (object);
}
static void
gcal_week_header_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GcalWeekHeader *self = GCAL_WEEK_HEADER (object);
switch (prop_id)
{
case PROP_CAN_EXPAND:
g_value_set_boolean (value, self->can_expand);
break;
case PROP_EXPANDED:
g_value_set_boolean (value, self->expanded);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gcal_week_header_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GcalWeekHeader *self = GCAL_WEEK_HEADER (object);
switch (prop_id)
{
case PROP_EXPANDED:
gcal_week_header_set_expanded (self, g_value_get_boolean (value));
break;
case PROP_CAN_EXPAND:
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gcal_week_header_class_init (GcalWeekHeaderClass *kclass)
{
GObjectClass *object_class = G_OBJECT_CLASS (kclass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (kclass);
object_class->dispose = gcal_week_header_dispose;
object_class->finalize = gcal_week_header_finalize;
object_class->get_property = gcal_week_header_get_property;
object_class->set_property = gcal_week_header_set_property;
widget_class->measure = gcal_week_header_measure;
widget_class->size_allocate = gcal_week_header_size_allocate;
widget_class->snapshot = gcal_week_header_snapshot;
properties[PROP_CAN_EXPAND] = g_param_spec_boolean ("can-expand", NULL, NULL,
FALSE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
properties[PROP_EXPANDED] = g_param_spec_boolean ("expanded", NULL, NULL,
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, properties);
signals[EVENT_ACTIVATED] = g_signal_new ("event-activated",
GCAL_TYPE_WEEK_HEADER,
G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL,
G_TYPE_NONE,
1,
GCAL_TYPE_EVENT_WIDGET);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/calendar/ui/views/gcal-week-header.ui");
gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, grid);
gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, main_box);
gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, motion_controller);
gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, scrolledwindow);
gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, weekdays_box);
gtk_widget_class_bind_template_callback (widget_class, on_button_pressed);
gtk_widget_class_bind_template_callback (widget_class, on_button_released);
gtk_widget_class_bind_template_callback (widget_class, on_expand_action_activated);
gtk_widget_class_bind_template_callback (widget_class, on_motion_notify);
gtk_widget_class_set_css_name (widget_class, "weekheader");
}
static void
gcal_week_header_init (GcalWeekHeader *self)
{
GcalContext *context = gcal_application_get_context (GCAL_DEFAULT_APPLICATION);
GtkCustomFilter *filter;
GtkDropTarget *drop_target;
gint i;
self->event_widget_pool = gcal_event_widget_pool_new ();
gcal_event_array_init (&self->event_array);
filter = gtk_custom_filter_new (event_is_all_day_or_multiday_func, NULL, NULL);
self->events_model = gtk_filter_list_model_new (NULL, GTK_FILTER (g_steal_pointer (&filter)));
g_signal_connect (self->events_model, "items-changed", G_CALLBACK (events_changed_cb), self);
for (gsize i = 0; i < N_WEEKDAYS; i++)
self->events[i] = g_ptr_array_new_with_free_func (g_object_unref);
self->expanded = FALSE;
self->selection.start = -1;
self->selection.end = -1;
self->selection.widget = gcal_create_selection_widget ();
gtk_widget_set_visible (self->selection.widget, FALSE);
gtk_widget_set_parent (self->selection.widget, GTK_WIDGET (self));
self->dnd.cell = -1;
self->dnd.widget = gcal_create_drop_target_widget ();
gtk_widget_set_visible (self->dnd.widget, FALSE);
gtk_widget_set_parent (self->dnd.widget, GTK_WIDGET (self));
self->first_weekday = get_first_weekday ();
gtk_widget_init_template (GTK_WIDGET (self));
for (i = 0; i < N_WEEKDAYS; i++)
{
WeekdayHeader *header = &self->weekday_header[i];
GtkWidget *box;
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_set_margin_start (box, 6);
header->weekday_name_label = gtk_label_new ("");
gtk_widget_set_hexpand (header->weekday_name_label, TRUE);
gtk_widget_add_css_class (header->weekday_name_label, "heading");
gtk_widget_add_css_class (header->weekday_name_label, "dimmed");
gtk_label_set_xalign (GTK_LABEL (header->weekday_name_label), 0.0);
gtk_box_append (GTK_BOX (box), header->weekday_name_label);
header->day_number_label = gtk_label_new ("");
gtk_widget_set_hexpand (header->day_number_label, TRUE);
gtk_widget_add_css_class (header->day_number_label, "title-2");
gtk_widget_add_css_class (header->day_number_label, "dimmed");
gtk_label_set_xalign (GTK_LABEL (header->day_number_label), 0.0);
gtk_box_append (GTK_BOX (box), header->day_number_label);
gtk_box_append (self->weekdays_box, box);
/* Add N_WEEKDAYS empty widget to the grid to ensure proper spacing */
gtk_grid_attach (self->grid, gtk_box_new (GTK_ORIENTATION_VERTICAL, 0), i, 0, 1, 1);
}
drop_target = gtk_drop_target_new (GCAL_TYPE_EVENT_WIDGET, GDK_ACTION_COPY);
g_signal_connect (drop_target, "drop", G_CALLBACK (on_drop_target_drop_cb), self);
g_signal_connect (drop_target, "enter", G_CALLBACK (on_drop_target_enter_cb), self);
g_signal_connect (drop_target, "leave", G_CALLBACK (on_drop_target_leave_cb), self);
g_signal_connect (drop_target, "motion", G_CALLBACK (on_drop_target_motion_cb), self);
gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (drop_target));
g_signal_connect_object (gcal_context_get_clock (context),
"day-changed",
G_CALLBACK (gtk_widget_queue_draw),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (gcal_context_get_weather_service (context),
"weather-changed",
G_CALLBACK (on_weather_update),
self,
0);
update_weather_infos (self);
}
void
gcal_week_header_set_model (GcalWeekHeader *self,
GListModel *model)
{
g_assert (GCAL_IS_WEEK_HEADER (self));
gtk_filter_list_model_set_model (self->events_model, model);
}
GList*
gcal_week_header_get_children_by_uuid (GcalWeekHeader *self,
GcalRecurrenceModType mod,
const gchar *uuid)
{
g_autolist (GcalEventWidget) result = NULL;
GCAL_ENTRY;
result = filter_children_by_uid_and_modtype (GTK_WIDGET (self->grid), mod, uuid);
GCAL_RETURN (g_steal_pointer (&result));
}
void
gcal_week_header_clear_marks (GcalWeekHeader *self)
{
g_return_if_fail (GCAL_IS_WEEK_HEADER (self));
self->selection.start = -1;
self->selection.end = -1;
gtk_widget_set_visible (self->selection.widget, FALSE);
}
void
gcal_week_header_set_date (GcalWeekHeader *self,
GDateTime *date)
{
gboolean had_date;
/*
* If the active date changed, but we're still in the same week,
* there's no need to recalculate visible events.
*/
if (self->active_date && date &&
g_date_time_get_year (self->active_date) == g_date_time_get_year (date) &&
g_date_time_get_week_of_year (self->active_date) == g_date_time_get_week_of_year (date))
{
return;
}
had_date = self->active_date != NULL;
gcal_set_date_time (&self->active_date, date);
update_title (self);
gtk_widget_queue_draw (GTK_WIDGET (self));
if (had_date)
update_unchanged_events (self, self->active_date);
update_weather_infos (self);
}
gboolean
gcal_week_header_get_can_expand (GcalWeekHeader *self)
{
g_assert (GCAL_IS_WEEK_HEADER (self));
return self->can_expand;
}
gboolean
gcal_week_header_get_expanded (GcalWeekHeader *self)
{
g_assert (GCAL_IS_WEEK_HEADER (self));
return self->expanded;
}
void
gcal_week_header_set_expanded (GcalWeekHeader *self,
gboolean expanded)
{
g_assert (GCAL_IS_WEEK_HEADER (self));
if (self->expanded == expanded)
return;
if (expanded)
header_expand (self);
else
header_collapse (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EXPANDED]);
}
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