Federated_Computer/federated-calendar
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
3692747362740877668e444dc97a313815b3e6ac
federated-calendar/src/gui/views/gcal-week-grid.c
T

1305 lines
40 KiB
C
Raw Blame History

/* gcal-week-grid.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/>.
*/
#define G_LOG_DOMAIN "GcalWeekGrid"
#include "gcal-application.h"
#include "gcal-clock.h"
#include "gcal-context.h"
#include "gcal-debug.h"
#include "gcal-gui-utils.h"
#include "gcal-week-grid.h"
#include "gcal-week-view.h"
#include "gcal-week-view-common.h"
#include "gcal-utils.h"
#include "gcal-view-private.h"
#include "gcal-event-widget.h"
#include "gcal-event-list.h"
#include "gcal-range-tree.h"
#include <glib/gi18n.h>
#include <string.h>
#include <math.h>
typedef struct
{
GcalWeekGrid *self;
GcalEvent *event;
gint drop_cell;
} DropData;
struct _GcalWeekGrid
{
GtkWidget parent;
GtkWidget *hours_sidebar;
GtkWidget *now_strip;
GtkEventController *motion_controller;
GDateTime *active_date;
GPtrArray *layout_blocks;
GtkFilterListModel *filter_model;
GtkSortListModel *sort_model;
gboolean layout_blocks_valid;
/*
* These fields are "cells" rather than minutes. Each cell
* correspond to 30 minutes.
*/
struct {
gint start;
gint end;
GtkWidget *widget;
} selection;
struct {
gint cell;
GtkWidget *widget;
gint event_minutes;
} dnd;
};
static void on_event_widget_activated_cb (GcalEventWidget *widget,
GcalWeekGrid *self);
static gboolean widget_tick_cb (GtkWidget *widget,
GdkFrameClock *frame_clock,
gpointer user_data);
G_DEFINE_TYPE (GcalWeekGrid, gcal_week_grid, GTK_TYPE_WIDGET);
enum
{
EVENT_ACTIVATED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0, };
/*
* ChildData
*/
typedef struct
{
GtkWidget *widget;
GcalEvent *event;
uint32_t n_columns;
} ChildData;
static ChildData*
child_data_new (GtkWidget *widget,
GcalEvent *event)
{
ChildData *data;
data = g_new (ChildData, 1);
data->widget = widget;
data->event = g_object_ref (event);
data->n_columns = 1;
return data;
}
static void
child_data_free (gpointer data)
{
ChildData *child_data = data;
if (!child_data)
return;
g_clear_pointer (&child_data->widget, gtk_widget_unparent);
g_clear_object (&child_data->event);
g_free (child_data);
}
/*
* LayoutBlock
*/
typedef struct
{
GcalRange *range;
GPtrArray *columns; /* GcalRangeTree<ChildData> */
} LayoutBlock;
static void
layout_block_free (gpointer data)
{
LayoutBlock *layout_block = data;
if (!layout_block)
return;
g_clear_pointer (&layout_block->range, gcal_range_unref);
g_clear_pointer (&layout_block->columns, g_ptr_array_unref);
g_free (layout_block);
}
G_DEFINE_AUTOPTR_CLEANUP_FUNC (LayoutBlock, layout_block_free)
static ChildData *
layout_block_add_event (LayoutBlock *layout_block,
GcalEvent *event)
{
GcalRange *event_range = NULL;
ChildData *child_data = NULL;
size_t column = 0;
g_assert (layout_block != NULL);
g_assert (GCAL_IS_EVENT (event));
event_range = gcal_event_get_range (event);
do
{
GcalRangeTree *column_data = NULL;
if (column >= layout_block->columns->len)
{
column_data = gcal_range_tree_new_with_free_func (child_data_free);
g_ptr_array_insert (layout_block->columns, column, column_data);
}
else
{
column_data = g_ptr_array_index (layout_block->columns, column);
}
g_assert (column_data != NULL);
if (!gcal_range_tree_has_entries_at_range (column_data, event_range))
{
g_autoptr (GcalRange) new_block_range = NULL;
child_data = child_data_new (NULL, event);
gcal_range_tree_add_range (column_data, event_range, child_data);
new_block_range = gcal_range_union (layout_block->range, event_range);
g_clear_pointer (&layout_block->range, gcal_range_unref);
layout_block->range = g_steal_pointer (&new_block_range);
break;
}
column++;
}
while (TRUE);
g_assert (child_data != NULL);
return child_data;
}
/*
* Auxiliary methods
*/
static GtkWidget *
pick_existing_event_widget (GHashTable *event_widgets,
GcalEvent *event)
{
GtkWidget *widget;
g_assert (event_widgets != NULL);
g_assert (GCAL_IS_EVENT (event));
g_hash_table_steal_extended (event_widgets, event, NULL, (gpointer *) &widget);
return widget;
}
static void
add_event_to_block (GcalWeekGrid *self,
LayoutBlock *layout_block,
GcalEvent *event,
GHashTable *event_widgets)
{
ChildData *child_data;
g_assert (GCAL_IS_WEEK_GRID (self));
g_assert (layout_block != NULL);
g_assert (GCAL_IS_EVENT (event));
child_data = layout_block_add_event (layout_block, event);
child_data->widget = pick_existing_event_widget (event_widgets, event);
if (!child_data->widget)
{
child_data->widget = g_object_new (GCAL_TYPE_EVENT_WIDGET,
"event", event,
"orientation", GTK_ORIENTATION_VERTICAL,
"timestamp-policy", GCAL_TIMESTAMP_POLICY_START,
NULL);
g_signal_connect (child_data->widget, "activate", G_CALLBACK (on_event_widget_activated_cb), self);
}
gtk_widget_set_parent (child_data->widget, GTK_WIDGET (self));
}
static void
expand_event_widgets_in_blocks (GcalWeekGrid *self)
{
for (size_t block_index = 0; block_index < self->layout_blocks->len; block_index++)
{
g_autoptr (GDateTime) block_range_start = NULL;
LayoutBlock *layout_block = NULL;
layout_block = g_ptr_array_index (self->layout_blocks, block_index);
g_assert (layout_block != NULL);
g_assert (layout_block->columns != NULL);
for (size_t column_index = 0; column_index < layout_block->columns->len; column_index++)
{
g_autoptr (GPtrArray) children_data = NULL;
GcalRangeTree *block_column;
block_column = g_ptr_array_index (layout_block->columns, column_index);
g_assert (block_column != NULL);
children_data = gcal_range_tree_get_all_data (block_column);
g_assert (children_data != NULL);
for (size_t child_data_index = 0; child_data_index < children_data->len; child_data_index++)
{
GcalRange *event_range;
ChildData *child_data;
child_data = g_ptr_array_index (children_data, child_data_index);
event_range = gcal_event_get_range (child_data->event);
for (size_t next_column_index = column_index + 1;
next_column_index < layout_block->columns->len;
next_column_index++)
{
GcalRangeTree *next_column = g_ptr_array_index (layout_block->columns, next_column_index);
if (gcal_range_tree_has_entries_at_range (next_column, event_range))
break;
child_data->n_columns++;
}
}
}
}
}
static GHashTable *
extract_current_event_widgets (GcalWeekGrid *self)
{
g_autoptr (GHashTable) event_widgets = NULL;
g_assert (GCAL_IS_WEEK_GRID (self));
event_widgets = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, (GDestroyNotify) gtk_widget_unparent);
for (unsigned int i = 0; i < self->layout_blocks->len; i++)
{
LayoutBlock *layout_block = g_ptr_array_index (self->layout_blocks, i);
g_assert (layout_block != NULL);
g_assert (layout_block->columns != NULL);
for (size_t column_index = 0; column_index < layout_block->columns->len; column_index++)
{
g_autoptr (GPtrArray) children_data = NULL;
GcalRangeTree *block_column;
block_column = g_ptr_array_index (layout_block->columns, column_index);
g_assert (block_column != NULL);
children_data = gcal_range_tree_get_all_data (block_column);
g_assert (children_data != NULL);
for (size_t child_data_index = 0; child_data_index < children_data->len; child_data_index++)
{
ChildData *child_data = g_ptr_array_index (children_data, child_data_index);
g_assert (!g_hash_table_contains (event_widgets, child_data->event));
g_hash_table_insert (event_widgets, child_data->event, g_steal_pointer (&child_data->widget));
}
}
}
return g_steal_pointer (&event_widgets);
}
static void
recalculate_layout_blocks (GcalWeekGrid *self)
{
g_autoptr (GcalRangeTree) blocks_by_range = NULL;
g_autoptr (GHashTable) event_widgets = NULL;
g_autoptr (GDateTime) week_start = NULL;
g_autoptr (GDateTime) week_end = NULL;
g_autoptr (GcalRange) range = NULL;
size_t n_events = 0;
GCAL_ENTRY;
g_assert (GCAL_IS_WEEK_GRID (self));
g_assert (self->layout_blocks != NULL);
blocks_by_range = gcal_range_tree_new ();
week_start = gcal_date_time_get_start_of_week (self->active_date);
week_end = g_date_time_add_weeks (week_start, 1);
range = gcal_range_new (week_start, week_end, GCAL_RANGE_DEFAULT);
event_widgets = extract_current_event_widgets (self);
/* Remove all blocks */
g_ptr_array_set_size (self->layout_blocks, 0);
/* First pass: create all layout blocks, all event widgets will have 1 column of width */
n_events = g_list_model_get_n_items (G_LIST_MODEL (self->sort_model));
for (size_t i = 0; i < n_events; i++)
{
g_autoptr (GPtrArray) blocks_at_range = NULL;
g_autoptr (GcalRange) old_block_range = NULL;
g_autoptr (GcalRange) new_block_range = NULL;
g_autoptr (GcalEvent) event = NULL;
LayoutBlock *layout_block = NULL;
GcalRange *event_range;
event = g_list_model_get_item (G_LIST_MODEL (self->sort_model), i);
g_assert (GCAL_IS_EVENT (event));
if (!gcal_event_overlaps (event, range))
continue;
event_range = gcal_event_get_range (event);
blocks_at_range = gcal_range_tree_get_data_at_range (blocks_by_range, event_range);
g_assert (blocks_at_range == NULL || blocks_at_range->len == 1);
if (!blocks_at_range)
{
layout_block = g_new0 (LayoutBlock, 1);
layout_block->range = gcal_range_ref (event_range);
layout_block->columns = g_ptr_array_new_with_free_func ((GDestroyNotify) gcal_range_tree_unref);
gcal_range_tree_add_range (blocks_by_range, layout_block->range, layout_block);
g_ptr_array_add (self->layout_blocks, layout_block);
}
else
{
layout_block = g_ptr_array_index (blocks_at_range, 0);
}
g_assert (layout_block != NULL);
old_block_range = gcal_range_ref (layout_block->range);
add_event_to_block (self, layout_block, event, event_widgets);
new_block_range = gcal_range_ref (layout_block->range);
if (gcal_range_calculate_overlap (old_block_range, new_block_range, NULL) != GCAL_RANGE_EQUAL)
{
gcal_range_tree_remove_range (blocks_by_range, old_block_range, layout_block);
gcal_range_tree_add_range (blocks_by_range, new_block_range, layout_block);
}
}
/* Second pass: expand event widgets to fill in empty space */
expand_event_widgets_in_blocks (self);
self->layout_blocks_valid = TRUE;
GCAL_EXIT;
}
static void
invalidate_layout_blocks (GcalWeekGrid *self)
{
GCAL_ENTRY;
if (!self->layout_blocks_valid)
GCAL_RETURN ();
if (gtk_widget_get_mapped (GTK_WIDGET (self)))
{
gtk_widget_add_tick_callback (GTK_WIDGET (self), widget_tick_cb, self, NULL);
gtk_widget_queue_allocate (GTK_WIDGET (self));
}
self->layout_blocks_valid = FALSE;
GCAL_EXIT;
}
/*
* Callbacks
*/
static gboolean
widget_tick_cb (GtkWidget *widget,
GdkFrameClock *frame_clock,
gpointer user_data)
{
GcalWeekGrid *self = (GcalWeekGrid *) widget;
GCAL_ENTRY;
g_assert (GCAL_IS_WEEK_GRID (self));
recalculate_layout_blocks (self);
GCAL_RETURN (G_SOURCE_REMOVE);
}
static int
compare_events_cb (gconstpointer a,
gconstpointer b,
gpointer user_data)
{
GDateTime *event_a_start;
GDateTime *event_b_start;
GDateTime *event_a_end;
GDateTime *event_b_end;
GcalEvent *event_a;
GcalEvent *event_b;
int result;
event_a = (GcalEvent *) a;
event_b = (GcalEvent *) b;
event_a_start = gcal_event_get_date_start (event_a);
event_b_start = gcal_event_get_date_start (event_b);
result = g_date_time_compare (event_a_start, event_b_start);
if (result != 0)
return result;
event_a_end = gcal_event_get_date_end (event_a);
event_b_end = gcal_event_get_date_end (event_b);
result = g_date_time_compare (event_a_end, event_b_end);
if (result != 0)
return -result;
return 0;
}
static gboolean
event_is_timed_single_day_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,
unsigned int position,
unsigned int removed,
unsigned int added,
GcalWeekGrid *self)
{
invalidate_layout_blocks (self);
}
static void
on_click_gesture_pressed_cb (GtkGestureClick *click_gesture,
gint n_press,
gdouble x,
gdouble y,
GcalWeekGrid *self)
{
gdouble minute_height;
gint column_width;
gint column;
gint minute;
g_assert (self->selection.start == -1);
g_assert (self->selection.end == -1);
minute_height = (gdouble) gtk_widget_get_height (GTK_WIDGET (self)) / MINUTES_PER_DAY;
column_width = floor (gtk_widget_get_width (GTK_WIDGET (self)) / N_WEEKDAYS);
column = (gint) x / column_width;
minute = y / minute_height;
minute = minute - (minute % 30);
self->selection.start = (column * MINUTES_PER_DAY + minute) / 30;
self->selection.end = self->selection.start;
gtk_widget_set_visible (self->selection.widget, TRUE);
gtk_event_controller_set_propagation_phase (self->motion_controller, GTK_PHASE_BUBBLE);
}
static void
on_event_widget_activated_cb (GcalEventWidget *widget,
GcalWeekGrid *self)
{
g_signal_emit (self, signals[EVENT_ACTIVATED], 0, widget);
}
static void
on_motion_controller_motion_cb (GtkEventControllerMotion *motion_controller,
gdouble x,
gdouble y,
GcalWeekGrid *self)
{
gdouble minute_height;
gint column;
gint minute;
minute_height = (gdouble) gtk_widget_get_height (GTK_WIDGET (self)) / MINUTES_PER_DAY;
column = self->selection.start * 30 / MINUTES_PER_DAY;
minute = y / minute_height;
minute = minute - (minute % 30);
self->selection.end = (column * MINUTES_PER_DAY + minute) / 30;
gtk_widget_queue_allocate (GTK_WIDGET (self));
}
static void
on_click_gesture_released_cb (GtkGestureClick *click_gesture,
gint n_press,
gdouble x,
gdouble y,
GcalWeekGrid *self)
{
g_autoptr (GDateTime) week_start = NULL;
g_autoptr (GcalRange) range = NULL;
g_autoptr (GDateTime) start = NULL;
g_autoptr (GDateTime) end = NULL;
graphene_point_t out;
GtkWidget *weekview;
gboolean ltr;
gdouble minute_height;
gdouble local_x;
gdouble local_y;
gint column;
gint minute;
gint start_cell;
gint end_cell;
ltr = gtk_widget_get_direction (GTK_WIDGET (self)) != GTK_TEXT_DIR_RTL;
minute_height = (gdouble) gtk_widget_get_height (GTK_WIDGET (self)) / MINUTES_PER_DAY;
column = self->selection.start * 30 / MINUTES_PER_DAY;
minute = y / minute_height;
minute = minute - (minute % 30);
self->selection.end = (column * MINUTES_PER_DAY + minute) / 30;
start_cell = self->selection.start;
end_cell = self->selection.end;
if (start_cell > end_cell)
{
start_cell = start_cell + end_cell;
end_cell = start_cell - end_cell;
start_cell = start_cell - end_cell;
}
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);
week_start = gcal_date_time_get_start_of_week (self->active_date);
if (ltr)
{
start = gcal_date_time_add_floating_minutes (week_start, start_cell * 30);
end = gcal_date_time_add_floating_minutes (week_start, (end_cell + 1) * 30);
}
else
{
guint rtl_start_cell, rtl_end_cell, rtl_column;
/* Fix the minute */
rtl_column = N_WEEKDAYS - 1 - column;
rtl_start_cell = start_cell + (rtl_column - column) * 48;
rtl_end_cell = (rtl_column * MINUTES_PER_DAY + minute) / 30;
start = gcal_date_time_add_floating_minutes (week_start, rtl_start_cell * 30);
end = gcal_date_time_add_floating_minutes (week_start, (rtl_end_cell + 1) * 30);
}
local_x = round ((column + 0.5) * (gtk_widget_get_width (GTK_WIDGET (self)) / (float) N_WEEKDAYS));
local_y = (minute + 15) * minute_height;
if (!gtk_widget_compute_point (GTK_WIDGET (self),
weekview,
&GRAPHENE_POINT_INIT (local_x, local_y),
&out))
g_assert_not_reached ();
range = gcal_range_new (start, end, GCAL_RANGE_DEFAULT);
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 gint
get_dnd_cell (GcalWeekGrid *self,
gdouble x,
gdouble y)
{
gdouble column_width, cell_height;
gint column, row;
column_width = gtk_widget_get_width (GTK_WIDGET (self)) / (float) N_WEEKDAYS;
cell_height = gtk_widget_get_height (GTK_WIDGET (self)) / 48.0;
column = floor (x / column_width);
row = y / cell_height;
return column * 48 + row;
}
static void
move_event_to_cell (GcalWeekGrid *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 (GcalEvent) changed_event = NULL;
GTimeSpan timespan = 0;
/* RTL languages swap the drop cell column */
if (gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL)
{
gint column, row;
column = cell / (MINUTES_PER_DAY / 30);
row = cell - column * 48;
cell = (N_WEEKDAYS - 1 - column) * 48 + row;
}
changed_event = gcal_event_new_from_event (event);
week_start = gcal_date_time_get_start_of_week (self->active_date);
dnd_date = gcal_date_time_add_floating_minutes (week_start, cell * 30);
/*
* Calculate the diff between the dropped cell and the event's start date,
* so we can update the end date accordingly.
*/
timespan = g_date_time_difference (gcal_event_get_date_end (changed_event), gcal_event_get_date_start (changed_event));
/*
* Set the event's start and end dates. Since the event may have a
* NULL end date, so we have to check it here
*/
gcal_event_set_all_day (changed_event, FALSE);
gcal_event_set_date_start (changed_event, dnd_date);
/* Setup the new end date */
new_end = g_date_time_add (dnd_date, timespan);
gcal_event_set_date_end (changed_event, new_end);
/* 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,
GcalWeekGrid *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,
GcalWeekGrid *self)
{
GCAL_ENTRY;
self->dnd.cell = get_dnd_cell (self, x, y);
gtk_widget_set_visible (self->dnd.widget, TRUE);
GCAL_RETURN (GDK_ACTION_COPY);
}
static void
on_drop_target_leave_cb (GtkDropTarget *drop_target,
GcalWeekGrid *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,
GcalWeekGrid *self)
{
GCAL_ENTRY;
GcalEventWidget *event_widget;
const GValue *value;
GDateTime *start, *end;
self->dnd.cell = get_dnd_cell (self, x, y);
value = gtk_drop_target_get_value (drop_target);
event_widget = g_value_get_object (value);
start = gcal_event_widget_get_date_start (event_widget);
end = gcal_event_widget_get_date_end (event_widget);
self->dnd.event_minutes = g_date_time_difference (end, start) / G_TIME_SPAN_MINUTE;
gtk_widget_queue_allocate (GTK_WIDGET (self));
GCAL_RETURN (GDK_ACTION_COPY);
}
static void
gcal_week_grid_dispose (GObject *object)
{
GcalWeekGrid *self = GCAL_WEEK_GRID (object);
g_clear_pointer (&self->layout_blocks, g_ptr_array_unref);
g_clear_pointer (&self->dnd.widget, gtk_widget_unparent);
g_clear_pointer (&self->now_strip, gtk_widget_unparent);
g_clear_pointer (&self->selection.widget, gtk_widget_unparent);
G_OBJECT_CLASS (gcal_week_grid_parent_class)->dispose (object);
}
static void
gcal_week_grid_finalize (GObject *object)
{
GcalWeekGrid *self = GCAL_WEEK_GRID (object);
gcal_clear_date_time (&self->active_date);
g_clear_object (&self->filter_model);
g_clear_object (&self->sort_model);
G_OBJECT_CLASS (gcal_week_grid_parent_class)->finalize (object);
}
static void
gcal_week_grid_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
static void
gcal_week_grid_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
static inline gint
get_today_column (GcalWeekGrid *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 void
gcal_week_grid_map (GtkWidget *widget)
{
GcalWeekGrid *self = (GcalWeekGrid *) widget;
g_assert (GCAL_IS_WEEK_GRID (self));
GTK_WIDGET_CLASS (gcal_week_grid_parent_class)->map (widget);
if (!self->layout_blocks_valid)
recalculate_layout_blocks (self);
}
static void
gcal_week_grid_measure (GtkWidget *widget,
GtkOrientation orientation,
gint for_size,
gint *minimum,
gint *natural,
gint *minimum_baseline,
gint *natural_baseline)
{
if (minimum)
*minimum = 1;
if (natural)
*natural = 1;
}
static void
gcal_week_grid_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GcalWeekGrid *self;
gint width, height;
self = GCAL_WEEK_GRID (widget);
width = gtk_widget_get_width (widget);
height = gtk_widget_get_height (widget);
gcal_week_view_common_snapshot_hour_lines (widget, snapshot, GTK_ORIENTATION_HORIZONTAL, width, height);
gcal_week_view_common_snapshot_hour_lines (widget, snapshot, GTK_ORIENTATION_VERTICAL, width, height);
/* First, draw the selection */
gtk_widget_snapshot_child (widget, self->selection.widget, snapshot);
gtk_widget_snapshot_child (widget, self->dnd.widget, snapshot);
/* Then, event widgets */
for (GtkWidget *child = gtk_widget_get_first_child (widget);
child;
child = gtk_widget_get_next_sibling (child))
{
if (child == self->selection.widget ||
child == self->dnd.widget ||
child == self->now_strip)
{
continue;
}
gtk_widget_snapshot_child (widget, child, snapshot);
}
gtk_widget_snapshot_child (widget, self->now_strip, snapshot);
}
static void
gcal_week_grid_size_allocate (GtkWidget *widget,
gint width,
gint height,
gint baseline)
{
GcalWeekGrid *self = GCAL_WEEK_GRID (widget);
g_autoptr (GDateTime) week_start = NULL;
gboolean ltr;
gdouble minutes_height;
gdouble column_width;
gint today_column;
ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL;
/* Preliminary calculations */
minutes_height = (gdouble) height / MINUTES_PER_DAY;
column_width = (gdouble) width / (float) N_WEEKDAYS;
/* Selection */
if (gtk_widget_should_layout (self->selection.widget))
{
gint selection_height;
gint start_row;
gint end_row;
gint column;
gint start;
gint end;
gint x;
gint y;
g_assert (self->selection.start != -1);
g_assert (self->selection.end != -1);
start = self->selection.start;
end = self->selection.end;
/* Swap cells if needed */
if (start > end)
{
start = start + end;
end = start - end;
start = start - end;
}
column = (int) floor (start * 30 / (double) MINUTES_PER_DAY);
#define Y_POSITION(row_) ((gint) round (((row_) * 30) * minutes_height))
start_row = start - column * 48;
end_row = (end + 1) - column * 48;
x = column * column_width;
y = Y_POSITION (start_row);
selection_height = Y_POSITION (end_row) - y;
#undef Y_POSITION
gtk_widget_size_allocate (self->selection.widget,
&(GtkAllocation) {
.x = x,
.y = y,
.width = column_width - 1,
.height = selection_height,
},
baseline);
}
if (gtk_widget_should_layout (self->dnd.widget))
{
gdouble cell_height, event_height;
gint column, row;
g_assert (self->dnd.cell != -1);
cell_height = minutes_height * 30;
event_height = minutes_height * self->dnd.event_minutes;
column = self->dnd.cell / (MINUTES_PER_DAY / 30);
row = self->dnd.cell - column * 48;
gtk_widget_size_allocate (self->dnd.widget,
&(GtkAllocation) {
.x = column * column_width,
.y = row * cell_height,
.width = column_width,
.height = event_height,
},
baseline);
}
week_start = gcal_date_time_get_start_of_week (self->active_date);
/* Event widgets */
for (size_t block_index = 0; block_index < self->layout_blocks->len; block_index++)
{
g_autoptr (GDateTime) block_range_start = NULL;
LayoutBlock *layout_block = NULL;
double block_column_width;
int block_weekday;
layout_block = g_ptr_array_index (self->layout_blocks, block_index);
g_assert (layout_block != NULL);
g_assert (layout_block->columns != NULL);
block_range_start = gcal_range_get_start (layout_block->range);
block_weekday = gcal_date_time_compare_date (block_range_start, week_start);
g_assert (block_weekday >= 0 && block_weekday < 7);
block_column_width = column_width / (double) layout_block->columns->len - 1;
for (size_t block_column_index = 0; block_column_index < layout_block->columns->len; block_column_index++)
{
g_autoptr (GPtrArray) children_data = NULL;
GcalRangeTree *block_column;
block_column = g_ptr_array_index (layout_block->columns, block_column_index);
g_assert (block_column != NULL);
children_data = gcal_range_tree_get_all_data (block_column);
g_assert (children_data != NULL);
for (size_t child_data_index = 0; child_data_index < children_data->len; child_data_index++)
{
g_autoptr (GDateTime) event_start = NULL;
g_autoptr (GDateTime) event_end = NULL;
GtkAllocation child_allocation;
GtkWidget *event_widget;
ChildData *child_data;
gint event_minutes;
gint minimum_width;
gint minimum_height;
gint event_height;
gint event_width;
gint x;
gint y;
child_data = g_ptr_array_index (children_data, child_data_index);
event_widget = child_data->widget;
if (!gtk_widget_should_layout (event_widget))
continue;
event_start = g_date_time_to_local (gcal_event_get_date_start (child_data->event));
event_end = g_date_time_to_local (gcal_event_get_date_end (child_data->event));
event_minutes = g_date_time_difference (event_end, event_start) / G_TIME_SPAN_MINUTE;
/* Compute the height of the widget */
gtk_widget_measure (event_widget, GTK_ORIENTATION_VERTICAL, -1, &minimum_height, NULL, NULL, NULL);
event_height = event_minutes * minutes_height;
event_height = MAX (minimum_height, event_height);
/* Compute the width of the widget */
gtk_widget_measure (event_widget, GTK_ORIENTATION_HORIZONTAL, event_height, &minimum_width, NULL, NULL, NULL);
event_width = MAX (minimum_width, block_column_width * child_data->n_columns);
x = column_width * block_weekday + block_column_width * block_column_index + 1;
if (!ltr)
x = width - (x + event_width);
y = (g_date_time_get_hour (event_start) * 60 + g_date_time_get_minute (event_start)) * minutes_height;
/* Setup the child position and size */
child_allocation.x = x;
child_allocation.y = y;
child_allocation.width = event_width;
child_allocation.height = event_height;
gtk_widget_size_allocate (event_widget, &child_allocation, baseline);
}
}
}
/* Today column */
today_column = get_today_column (GCAL_WEEK_GRID (widget));
gtk_widget_set_child_visible (self->now_strip, today_column != -1);
if (today_column != -1)
{
g_autoptr (GDateTime) now = NULL;
GtkAllocation allocation;
guint minutes_from_midnight;
gint now_strip_height;
gint x;
now = g_date_time_new_now_local ();
minutes_from_midnight = g_date_time_get_hour (now) * 60 + g_date_time_get_minute (now);
gtk_widget_measure (self->now_strip,
GTK_ORIENTATION_VERTICAL,
-1,
&now_strip_height,
NULL,
NULL,
NULL);
if (ltr)
x = today_column * column_width;
else
x = width - (today_column * column_width) - column_width;
allocation.x = x;
allocation.y = round (minutes_from_midnight * ((gdouble) height / MINUTES_PER_DAY));
allocation.width = column_width;
allocation.height = MAX (1, now_strip_height);
gtk_widget_size_allocate (self->now_strip, &allocation, baseline);
}
}
static void
gcal_week_grid_class_init (GcalWeekGridClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gcal_week_grid_dispose;
object_class->finalize = gcal_week_grid_finalize;
object_class->get_property = gcal_week_grid_get_property;
object_class->set_property = gcal_week_grid_set_property;
widget_class->map = gcal_week_grid_map;
widget_class->measure = gcal_week_grid_measure;
widget_class->size_allocate = gcal_week_grid_size_allocate;
widget_class->snapshot = gcal_week_grid_snapshot;
signals[EVENT_ACTIVATED] = g_signal_new ("event-activated",
GCAL_TYPE_WEEK_GRID,
G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL,
G_TYPE_NONE,
1,
GCAL_TYPE_EVENT_WIDGET);
gtk_widget_class_set_css_name (widget_class, "weekgrid");
}
static void
gcal_week_grid_init (GcalWeekGrid *self)
{
GcalContext *context = gcal_application_get_context (GCAL_DEFAULT_APPLICATION);
GtkCustomFilter *filter;
GtkDropTarget *drop_target;
GtkGesture *click_gesture;
AdwStyleManager *manager;
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->layout_blocks = g_ptr_array_new_with_free_func (layout_block_free);
filter = gtk_custom_filter_new (event_is_timed_single_day_func, NULL, NULL);
self->filter_model = gtk_filter_list_model_new (NULL, GTK_FILTER (g_steal_pointer (&filter)));
self->sort_model = gtk_sort_list_model_new (G_LIST_MODEL (g_object_ref (self->filter_model)),
GTK_SORTER (gtk_custom_sorter_new (compare_events_cb, NULL, NULL)));
g_signal_connect (self->sort_model, "items-changed", G_CALLBACK (events_changed_cb), self);
self->now_strip = adw_bin_new ();
gtk_widget_add_css_class (self->now_strip, "now-strip");
gtk_widget_set_can_target (self->now_strip, FALSE);
gtk_widget_set_parent (self->now_strip, GTK_WIDGET (self));
click_gesture = gtk_gesture_click_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (click_gesture), GDK_BUTTON_PRIMARY);
g_signal_connect (click_gesture, "pressed", G_CALLBACK (on_click_gesture_pressed_cb), self);
g_signal_connect (click_gesture, "released", G_CALLBACK (on_click_gesture_released_cb), self);
gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (click_gesture));
self->motion_controller = gtk_event_controller_motion_new ();
g_signal_connect (self->motion_controller, "motion", G_CALLBACK (on_motion_controller_motion_cb), self);
gtk_event_controller_set_propagation_phase (self->motion_controller, GTK_PHASE_NONE);
gtk_widget_add_controller (GTK_WIDGET (self), self->motion_controller);
drop_target = gtk_drop_target_new (GCAL_TYPE_EVENT_WIDGET, GDK_ACTION_COPY);
gtk_drop_target_set_preload (drop_target, TRUE);
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),
"minute-changed",
G_CALLBACK (gtk_widget_queue_resize),
self->now_strip,
G_CONNECT_SWAPPED);
manager = adw_style_manager_get_default ();
g_signal_connect_object (manager,
"notify::high-contrast",
G_CALLBACK (gtk_widget_queue_draw),
self,
G_CONNECT_SWAPPED);
}
void
gcal_week_grid_set_model (GcalWeekGrid *self,
GListModel *model)
{
g_assert (GCAL_IS_WEEK_GRID (self));
gtk_filter_list_model_set_model (self->filter_model, model);
}
GList*
gcal_week_grid_get_children_by_uuid (GcalWeekGrid *self,
GcalRecurrenceModType mod,
const gchar *uid)
{
g_autoptr (GList) result = NULL;
GCAL_ENTRY;
result = filter_children_by_uid_and_modtype (GTK_WIDGET (self), mod, uid);
GCAL_RETURN (g_steal_pointer (&result));
}
void
gcal_week_grid_clear_marks (GcalWeekGrid *self)
{
g_return_if_fail (GCAL_IS_WEEK_GRID (self));
self->selection.start = -1;
self->selection.end = -1;
gtk_widget_set_visible (self->selection.widget, FALSE);
}
void
gcal_week_grid_set_date (GcalWeekGrid *self,
GDateTime *date)
{
gcal_set_date_time (&self->active_date, date);
invalidate_layout_blocks (self);
}
Reference in New Issue View Git Blame Copy Permalink