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68c2b7d3ac8b93acdcd9a244b8d60e988bbac03f
federated-calendar/src/views/gcal-month-view.c
T
Georges Basile Stavracas Neto 68c2b7d3ac project: remove GcalSubscriberView 
The subscriber view was an unecessary layer and only
added more complication than it actually helped.

This commit merges GcalSubscriberView and GcalMonthView
into a single class.
2017-09-07 16:07:04 -03:00

2792 lines
88 KiB
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/* -*- mode: c; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* gcal-month-view.c
*
* Copyright (C) 2015 - Erick Pérez Castellanos
*
* 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define G_LOG_DOMAIN "GcalMonthView"
#include "e-cal-data-model-subscriber.h"
#include "gcal-debug.h"
#include "gcal-month-view.h"
#include "gcal-utils.h"
#include "gcal-view.h"
#include <glib/gi18n.h>
#include <math.h>
#define LINE_WIDTH 0.5
struct _GcalMonthView
{
GtkContainer parent;
GtkWidget *overflow_popover;
GtkWidget *events_list_box;
GtkWidget *popover_title;
GdkWindow *event_window;
/*
* Hash to keep children widgets (all of them, parent widgets and its parts if there's any),
* uuid as key and a list of all the instances of the event as value. Here, the first widget
* on the list is the master, and the rest are the parts. Note: the master is a part itself.
*/
GHashTable *children;
/*
* Hash containig single-cell events, day of the month, on month-view, month of the year on
* year-view as key anda list of the events that belongs to this cell
*/
GHashTable *single_cell_children;
/*
* A sorted list containig multiday events. This one contains only parents events, to find out
* its parts @children will be used.
*/
GList *multi_cell_children;
/*
* Hash containing cells that who has overflow per list of hidden widgets.
*/
GHashTable *overflow_cells;
/*
* Set containing the master widgets hidden for delete;
*/
GHashTable *hidden_as_overflow;
/* state flags */
gboolean children_changed;
/*
* the cell on which its drawn the first day of the month, in the first row, 0 for the first
* cell, 1 for the second, and so on, this takes first_weekday into account already.
*/
gint days_delay;
/*
* The cell whose keyboard focus is on.
*/
gint keyboard_cell;
/*
* first day of the week according to user locale, being
* 0 for Sunday, 1 for Monday and so on */
gint first_weekday;
/*
* The start & end dates of the selection. We use datetimes to allow the user to navigate between
* months using the keyboard.
*/
GDateTime *start_mark_cell;
GDateTime *end_mark_cell;
/*
* This flags signals when the cursor is over an overflow indicator and when once has been clicked
*/
gint pressed_overflow_indicator;
gint hovered_overflow_indicator;
/**
* clock format from GNOME desktop settings
*/
gboolean use_24h_format;
/* text direction factors */
gboolean k;
/* The cell hovered during Drag and Drop */
gint dnd_cell;
/* Storage for the accumulated scrolling */
gdouble scroll_value;
/* property */
icaltimetype *date;
GcalManager *manager;
};
#define MIRROR(val,start,end) (start + (val / end) * end + (end - val % end))
static void gcal_view_interface_init (GcalViewInterface *iface);
static void e_data_model_subscriber_interface_init (ECalDataModelSubscriberInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GcalMonthView, gcal_month_view, GTK_TYPE_CONTAINER,
G_IMPLEMENT_INTERFACE (GCAL_TYPE_VIEW, gcal_view_interface_init)
G_IMPLEMENT_INTERFACE (E_TYPE_CAL_DATA_MODEL_SUBSCRIBER,
e_data_model_subscriber_interface_init));
enum
{
PROP_0,
PROP_DATE,
PROP_MANAGER,
N_PROPS
};
enum
{
EVENT_ACTIVATED,
NUM_SIGNALS
};
static guint signals[NUM_SIGNALS] = { 0, };
static inline gint
real_cell (gint cell,
gboolean rtl)
{
if (cell < 0)
return cell;
return rtl ? MIRROR (cell, 0, 7) - 1 : cell;
}
static inline void
cancel_selection (GcalMonthView *self)
{
g_clear_pointer (&self->start_mark_cell, g_date_time_unref);
g_clear_pointer (&self->end_mark_cell, g_date_time_unref);
}
static void
event_activated (GcalEventWidget *widget,
GcalMonthView *self)
{
cancel_selection (self);
self->pressed_overflow_indicator = -1;
gtk_widget_hide (self->overflow_popover);
g_signal_emit (self, signals[EVENT_ACTIVATED], 0, widget);
}
static void
event_visibility_changed (GtkWidget *widget,
GcalMonthView *self)
{
self->children_changed = TRUE;
}
static void
setup_child_widget (GcalMonthView *self,
GtkWidget *widget)
{
if (!gtk_widget_get_parent (widget))
gtk_widget_set_parent (widget, GTK_WIDGET (self));
g_signal_connect (widget, "activate", G_CALLBACK (event_activated), self);
g_signal_connect (widget, "hide", G_CALLBACK (event_visibility_changed), self);
g_signal_connect (widget, "show", G_CALLBACK (event_visibility_changed), self);
}
static gdouble
get_start_grid_y (GtkWidget *widget)
{
GtkStyleContext* context;
GtkStateFlags state_flags;
gint padding_top;
PangoLayout *layout;
PangoFontDescription *font_desc;
gint font_height;
gdouble start_grid_y;
context = gtk_widget_get_style_context (widget);
state_flags = gtk_style_context_get_state (context);
layout = gtk_widget_create_pango_layout (widget, NULL);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "start-header");
gtk_style_context_get (context, state_flags, "padding-top", &padding_top, "font", &font_desc, NULL);
pango_layout_set_font_description (layout, font_desc);
pango_layout_get_pixel_size (layout, NULL, &font_height);
pango_font_description_free (font_desc);
gtk_style_context_restore (context);
start_grid_y = 2 * padding_top + font_height;
gtk_style_context_get (context, state_flags, "font", &font_desc, "padding-top", &padding_top, NULL);
pango_layout_set_font_description (layout, font_desc);
pango_layout_get_pixel_size (layout, NULL, &font_height);
start_grid_y += padding_top + font_height;
pango_font_description_free (font_desc);
g_object_unref (layout);
return start_grid_y;
}
static void
get_cell_position (GcalMonthView *self,
gint cell,
gdouble *out_x,
gdouble *out_y)
{
GtkWidget *widget;
gdouble start_grid_y;
gint shown_rows;
gdouble first_row_gap;
gdouble cell_width;
gdouble cell_height;
widget = GTK_WIDGET (self);
start_grid_y = get_start_grid_y (widget);
shown_rows = ceil ((self->days_delay + icaltime_days_in_month (self->date->month, self->date->year)) / 7.0);
first_row_gap = (6 - shown_rows) * 0.5; /* invalid area before the actual rows */
cell_width = gtk_widget_get_allocated_width (widget) / 7.0;
cell_height = (gtk_widget_get_allocated_height (widget) - start_grid_y) / 6.0;
if (out_x != NULL)
*out_x = cell_width * ((cell % 7) + 0.5);
if (out_y != NULL)
*out_y = cell_height * ((cell / 7) + first_row_gap + 0.5) + start_grid_y;
}
static void
rebuild_popover_for_day (GcalMonthView *self,
GDateTime *day)
{
PangoLayout *overflow_layout;
PangoFontDescription *ofont_desc;
GtkStyleContext *context;
GtkStateFlags state;
GdkRectangle rect;
GtkWidget *child_widget;
GList *l;
gdouble start_grid_y, cell_width, cell_height;
gchar *label_title;
gint shown_rows;
gint real_clicked_popover_cell;
gint font_height, padding_bottom;
label_title = g_date_time_format (day, _("%B %d"));
gtk_label_set_text (GTK_LABEL (self->popover_title), label_title);
g_free (label_title);
/* Clean all the widgets */
gtk_container_foreach (GTK_CONTAINER (self->events_list_box), (GtkCallback) gtk_widget_destroy, NULL);
l = g_hash_table_lookup (self->overflow_cells, GINT_TO_POINTER (self->pressed_overflow_indicator));
/* Setup the start & end dates of the events as the begin & end of day */
if (l)
{
for (; l != NULL; l = g_list_next (l))
{
GtkWidget *cloned_event;
GDateTime *current_date;
GDateTime *dt_start;
GDateTime *dt_end;
GcalEvent *event;
GTimeZone *tz;
event = gcal_event_widget_get_event (l->data);
if (gcal_event_get_all_day (event))
tz = g_time_zone_new_utc ();
else
tz = g_time_zone_new_local ();
current_date = icaltime_to_datetime (self->date);
dt_start = g_date_time_new (tz,
g_date_time_get_year (current_date),
g_date_time_get_month (current_date),
g_date_time_get_day_of_month (day),
0, 0, 0);
dt_end = g_date_time_add_days (dt_start, 1);
cloned_event = gcal_event_widget_clone (l->data);
gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (cloned_event), dt_start);
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (cloned_event), dt_end);
gtk_container_add (GTK_CONTAINER (self->events_list_box), cloned_event);
setup_child_widget (self, cloned_event);
g_clear_pointer (&current_date, g_date_time_unref);
g_clear_pointer (&dt_start, g_date_time_unref);
g_clear_pointer (&dt_end, g_date_time_unref);
g_clear_pointer (&tz, g_time_zone_unref);
}
}
/* placement calculation */
start_grid_y = get_start_grid_y (GTK_WIDGET (self));
shown_rows = ceil ((self->days_delay + icaltime_days_in_month (self->date->month, self->date->year)) / 7.0);
cell_width = gtk_widget_get_allocated_width (GTK_WIDGET (self)) / 7.0;
cell_height = (gtk_widget_get_allocated_height (GTK_WIDGET (self)) - start_grid_y) / 6.0;
context = gtk_widget_get_style_context (GTK_WIDGET (self));
state = gtk_style_context_get_state (context);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "overflow");
gtk_style_context_get (context, state, "font", &ofont_desc, "padding-bottom", &padding_bottom, NULL);
overflow_layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), NULL);
pango_layout_set_font_description (overflow_layout, ofont_desc);
pango_layout_get_pixel_size (overflow_layout, NULL, &font_height);
gtk_style_context_restore (context);
pango_font_description_free (ofont_desc);
g_object_unref (overflow_layout);
real_clicked_popover_cell = real_cell (self->pressed_overflow_indicator, self->k);
rect.y = cell_height * ((real_clicked_popover_cell / 7) + 1.0 + (6 - shown_rows) * 0.5) + start_grid_y - padding_bottom - font_height / 2;
rect.width = 1;
rect.height = 1;
if (real_clicked_popover_cell % 7 < 3)
{
rect.x = cell_width * ((real_clicked_popover_cell % 7) + 1.0);
gtk_popover_set_position (GTK_POPOVER (self->overflow_popover), self->k ? GTK_POS_LEFT : GTK_POS_RIGHT);
}
else if (real_clicked_popover_cell % 7 > 3)
{
rect.x = cell_width * ((real_clicked_popover_cell % 7));
gtk_popover_set_position (GTK_POPOVER (self->overflow_popover), self->k ? GTK_POS_RIGHT : GTK_POS_LEFT);
}
else
{
rect.x = cell_width * ((real_clicked_popover_cell % 7) + 1.0 - self->k);
gtk_popover_set_position (GTK_POPOVER (self->overflow_popover), GTK_POS_RIGHT);
}
gtk_popover_set_pointing_to (GTK_POPOVER (self->overflow_popover), &rect);
/* sizing hack */
child_widget = gtk_bin_get_child (GTK_BIN (self->overflow_popover));
gtk_widget_set_size_request (child_widget, 200, -1);
g_object_set_data (G_OBJECT (self->overflow_popover),
"selected-day",
GINT_TO_POINTER (g_date_time_get_day_of_month (day)));
}
static gboolean
show_popover_for_position (GcalMonthView *self,
gdouble x,
gdouble y,
gboolean on_indicator)
{
GtkWidget *widget;
GDateTime *end_dt,*start_dt;
widget = GTK_WIDGET (self);
start_dt = self->start_mark_cell;
end_dt = self->end_mark_cell;
if (self->start_mark_cell == NULL)
return FALSE;
if (self->pressed_overflow_indicator != -1 &&
g_date_time_equal (start_dt, end_dt) &&
g_hash_table_contains (self->overflow_cells, GINT_TO_POINTER (self->pressed_overflow_indicator)))
{
self->hovered_overflow_indicator = self->pressed_overflow_indicator;
rebuild_popover_for_day (GCAL_MONTH_VIEW (widget), end_dt);
gtk_widget_show_all (self->overflow_popover);
gtk_widget_queue_draw (widget);
self->pressed_overflow_indicator = -1;
cancel_selection (GCAL_MONTH_VIEW (widget));
return TRUE;
}
else
{
gboolean should_clear_end = FALSE;
/* Swap dates if start > end */
if (g_date_time_compare (start_dt, end_dt) > 0)
{
GDateTime *aux;
aux = start_dt;
start_dt = end_dt;
end_dt = aux;
}
/* Only setup an end date when days are different */
if (!g_date_time_equal (start_dt, end_dt))
{
GDateTime *tmp_dt;
tmp_dt = g_date_time_new_local (g_date_time_get_year (end_dt),
g_date_time_get_month (end_dt),
g_date_time_get_day_of_month (end_dt),
0, 0, 0);
end_dt = g_date_time_add_days (tmp_dt, 1);
should_clear_end = TRUE;
g_clear_pointer (&tmp_dt, g_date_time_unref);
}
g_signal_emit_by_name (GCAL_VIEW (widget), "create-event", start_dt, end_dt, x, y);
if (should_clear_end)
g_clear_pointer (&end_dt, g_date_time_unref);
}
gtk_widget_queue_draw (widget);
self->pressed_overflow_indicator = -1;
return FALSE;
}
static gint
gather_button_event_data (GcalMonthView *self,
gdouble x,
gdouble y,
gboolean *out_on_indicator,
gdouble *out_x,
gdouble *out_y)
{
GtkWidget *widget;
gdouble start_grid_y;
gint shown_rows;
gdouble first_row_gap;
gdouble cell_width;
gdouble cell_height;
gint cell;
GtkStyleContext *context;
GtkStateFlags state;
PangoLayout *overflow_layout;
PangoFontDescription *ofont_desc;
gint font_height, padding_bottom, padding_top;
widget = GTK_WIDGET (self);
start_grid_y = get_start_grid_y (widget);
shown_rows = ceil ((self->days_delay + icaltime_days_in_month (self->date->month, self->date->year)) / 7.0);
first_row_gap = (6 - shown_rows) * 0.5; /* invalid area before the actual rows */
cell_width = gtk_widget_get_allocated_width (widget) / 7.0;
cell_height = (gtk_widget_get_allocated_height (widget) - start_grid_y) / 6.0;
context = gtk_widget_get_style_context (widget);
state = gtk_style_context_get_state (context);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "overflow");
gtk_style_context_get (context, state,
"font", &ofont_desc,
"padding-bottom", &padding_bottom,
"padding-top", &padding_top,
NULL);
overflow_layout = gtk_widget_create_pango_layout (widget, NULL);
pango_layout_set_font_description (overflow_layout, ofont_desc);
pango_layout_get_pixel_size (overflow_layout, NULL, &font_height);
gtk_style_context_restore (context);
pango_font_description_free (ofont_desc);
g_object_unref (overflow_layout);
y = y - start_grid_y - first_row_gap * cell_height;
/* When we're dealing with 5-row months, the first_row_gap
* is never big enought, and (gint)(y / cell_height) always
* rounds to 0, resulting in a valid cell number when it is
* actually invalid.
*/
cell = y < 0 ? -1 : 7 * (gint)(y / cell_height) + (gint)(x / cell_width);
if (out_on_indicator != NULL)
{
gdouble upper_border = cell_height * ((gint) y / (gint) cell_height);
y = y - upper_border;
*out_on_indicator = (cell_height - font_height - padding_bottom - padding_top < y && y < cell_height);
}
if (out_x != NULL)
*out_x = cell_width * ((cell % 7) + 0.5);
if (out_y != NULL)
*out_y = cell_height * ((cell / 7) + first_row_gap + 0.5) + start_grid_y;
return cell;
}
static gboolean
get_widget_parts (gint first_cell,
gint last_cell,
gint natural_height,
gdouble vertical_cell_space,
gdouble *size_left,
GArray *cells,
GArray *lengths)
{
gdouble old_y;
gdouble y;
gint current_part_length;
gint i;
old_y = -1.0;
current_part_length = 0;
if (last_cell < first_cell)
{
gint swap = last_cell;
last_cell = first_cell;
first_cell = swap;
}
for (i = first_cell; i <= last_cell; i++)
{
if (size_left[i] < natural_height)
return FALSE;
y = vertical_cell_space - size_left[i];
if (old_y == -1.0 || y != old_y)
{
current_part_length = 1;
g_array_append_val (cells, i);
g_array_append_val (lengths, current_part_length);
old_y = y;
}
else
{
current_part_length++;
g_array_index (lengths, gint, lengths->len - 1) = current_part_length;
}
}
return TRUE;
}
static void
overflow_popover_hide (GtkWidget *widget,
gpointer user_data)
{
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
self->hovered_overflow_indicator = -1;
gtk_widget_queue_draw (widget);
}
static void
update_list_box_headers (GtkListBoxRow *row,
GtkListBoxRow *before,
gpointer user_data)
{
GcalMonthView *self;
GtkWidget *row_child, *before_child = NULL;
GDateTime *row_date, *before_date = NULL;
GcalEvent *row_event;
self = GCAL_MONTH_VIEW (user_data);
row_child = gtk_bin_get_child (GTK_BIN (row));
row_event = gcal_event_widget_get_event (GCAL_EVENT_WIDGET (row_child));
row_date = gcal_event_widget_get_date_start (GCAL_EVENT_WIDGET (row_child));
row_date = g_date_time_to_local (row_date);
if (before != NULL)
{
before_child = gtk_bin_get_child (GTK_BIN (before));
before_date = gcal_event_widget_get_date_start (GCAL_EVENT_WIDGET (before_child));
before_date = g_date_time_to_local (before_date);
}
if (!gcal_event_is_multiday (row_event) &&
!gcal_event_get_all_day (row_event) &&
(before_date == NULL || g_date_time_get_hour (before_date) != g_date_time_get_hour (row_date)))
{
gchar *time;
GtkWidget *label, *vbox;
gint hour;
hour = g_date_time_get_hour (row_date);
if (self->use_24h_format)
time = g_strdup_printf ("%.2d:00", hour);
else
time = g_strdup_printf ("%.2d:00 %s", hour % 12, hour < 12 ? "AM" : "PM");
label = gtk_label_new (time);
gtk_style_context_add_class (gtk_widget_get_style_context (label), GTK_STYLE_CLASS_DIM_LABEL);
g_object_set (label, "margin-start", 6, "halign", GTK_ALIGN_START, NULL);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (vbox), label);
gtk_container_add (GTK_CONTAINER (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
gtk_widget_show_all (vbox);
gtk_list_box_row_set_header (row, vbox);
g_free (time);
}
g_clear_pointer (&before_date, g_date_time_unref);
g_clear_pointer (&row_date, g_date_time_unref);
}
static gboolean
gcal_month_view_key_press (GtkWidget *widget,
GdkEventKey *event)
{
GcalMonthView *self;
gboolean selection, valid_key;
gdouble x, y;
gint min, max, diff, month_change, current_day;
g_return_val_if_fail (GCAL_IS_MONTH_VIEW (widget), FALSE);
self = GCAL_MONTH_VIEW (widget);
selection = event->state & GDK_SHIFT_MASK;
valid_key = FALSE;
diff = 0;
month_change = 0;
current_day = self->keyboard_cell - self->days_delay + 1;
min = self->days_delay;
max = self->days_delay + icaltime_days_in_month (self->date->month, self->date->year) - 1;
/*
* If it's starting the selection right now, it should mark the current keyboard
* focused cell as the start, and then update the end mark after updating the
* focused cell.
*/
if (selection && self->start_mark_cell == NULL)
self->start_mark_cell = g_date_time_new_local (self->date->year, self->date->month, current_day, 0, 0, 0);
switch (event->keyval)
{
case GDK_KEY_Up:
valid_key = TRUE;
diff = -7;
break;
case GDK_KEY_Down:
valid_key = TRUE;
diff = 7;
break;
case GDK_KEY_Left:
valid_key = TRUE;
diff = self->k ? 1 : -1;
break;
case GDK_KEY_Right:
valid_key = TRUE;
diff = self->k ? -1 : 1;
break;
case GDK_KEY_Return:
/*
* If it's not on the selection mode (i.e. shift is not pressed), we should
* simulate it by changing the start & end selected cells = keyboard cell.
*/
if (!selection && self->start_mark_cell == NULL && self->end_mark_cell == NULL)
self->start_mark_cell = self->end_mark_cell = g_date_time_new_local (self->date->year, self->date->month, current_day, 0, 0, 0);
get_cell_position (GCAL_MONTH_VIEW (widget), real_cell (current_day + self->days_delay - 1, self->k), &x, &y);
show_popover_for_position (GCAL_MONTH_VIEW (widget), x, y, FALSE);
break;
case GDK_KEY_Escape:
cancel_selection (GCAL_MONTH_VIEW (widget));
break;
default:
return FALSE;
}
if (self->keyboard_cell + diff <= max && self->keyboard_cell + diff >= min)
{
self->keyboard_cell += diff;
}
else
{
month_change = self->keyboard_cell + diff > max ? 1 : -1;
self->date->month += month_change;
*(self->date) = icaltime_normalize(*(self->date));
self->days_delay = (time_day_of_week (1, self->date->month - 1, self->date->year) - self->first_weekday + 7) % 7;
/*
* Set keyboard cell value to the sum or difference of days delay of successive
* month or last day of preceeding month and overload value depending on
* month_change. Overload value is the equal to the deviation of the value
* of keboard_cell from the min or max value of the current month depending
* on the overload point.
*/
if (month_change == 1)
self->keyboard_cell = self->days_delay + self->keyboard_cell + diff - max - 1;
else
self->keyboard_cell = self->days_delay + icaltime_days_in_month (self->date->month, self->date->year) - min + self->keyboard_cell + diff;
}
current_day = self->keyboard_cell - self->days_delay + 1;
self->date->day = current_day;
g_object_notify (G_OBJECT (widget), "active-date");
if (selection)
{
self->end_mark_cell = g_date_time_new_local (self->date->year, self->date->month, current_day, 0, 0, 0);
}
else if (!selection && valid_key)
{
/* Cancel selection if SHIFT is not pressed */
cancel_selection (GCAL_MONTH_VIEW (widget));
}
gtk_widget_queue_draw (widget);
return TRUE;
}
/*
* Drag and Drop functions
*/
static gint
get_dnd_cell (GtkWidget *widget,
gint x,
gint y)
{
GcalMonthView *self;
gint cell;
self = GCAL_MONTH_VIEW (widget);
cell = gather_button_event_data (GCAL_MONTH_VIEW (widget), x, y, NULL, NULL, NULL);
cell = real_cell (cell, self->k);
if (cell >= self->days_delay &&
cell < g_date_get_days_in_month (self->date->month, self->date->year) + self->days_delay)
{
return cell;
}
return -1;
}
static gboolean
gcal_month_view_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GcalMonthView *self;
self = GCAL_MONTH_VIEW (widget);
self->dnd_cell = get_dnd_cell (widget, x, y);
/* Setup the drag highlight */
if (self->dnd_cell != -1)
{
gtk_drag_highlight (widget);
gtk_widget_hide (self->overflow_popover);
}
else
{
gtk_drag_unhighlight (widget);
}
/*
* Sets the status of the drag - if it fails, sets the action to 0 and
* aborts the drag with FALSE.
*/
gdk_drag_status (context,
self->dnd_cell == -1 ? 0 : GDK_ACTION_MOVE,
time);
gtk_widget_queue_draw (widget);
return self->dnd_cell != -1;
}
static gboolean
gcal_month_view_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GcalRecurrenceModType mod;
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
GtkWidget *event_widget;
GDateTime *start_dt, *end_dt, *current_dt;
GcalEvent *event;
ESource *source;
gint cell, diff;
gint start_month, current_month;
gint start_year, current_year;
GTimeSpan timespan = 0;
cell = get_dnd_cell (widget, x, y);
event_widget = gtk_drag_get_source_widget (context);
mod = GCAL_RECURRENCE_MOD_THIS_ONLY;
if (!GCAL_IS_EVENT_WIDGET (event_widget))
return FALSE;
event = gcal_event_widget_get_event (GCAL_EVENT_WIDGET (event_widget));
source = gcal_event_get_source (event);
if (gcal_event_has_recurrence (event) &&
!ask_recurrence_modification_type (widget, &mod, source))
{
goto out;
}
/* Move the event's date */
start_dt = gcal_event_get_date_start (event);
end_dt = gcal_event_get_date_end (event);
start_month = g_date_time_get_month (start_dt);
start_year = g_date_time_get_year (start_dt);
current_dt = icaltime_to_datetime (self->date);
current_month = g_date_time_get_month (current_dt);
current_year = g_date_time_get_year (current_dt);
g_clear_pointer (&current_dt, g_date_time_unref);
if (end_dt)
timespan = g_date_time_difference (end_dt, start_dt);
start_dt = g_date_time_add_full (start_dt,
current_year - start_year,
current_month - start_month,
0, 0, 0, 0);
diff = cell - self->days_delay - g_date_time_get_day_of_month (start_dt) + 1;
if (diff != 0 ||
current_month != start_month ||
current_year != start_year)
{
GDateTime *new_start = g_date_time_add_days (start_dt, diff);
gcal_event_set_date_start (event, new_start);
/* The event may have a NULL end date, so we have to check it here */
if (end_dt)
{
GDateTime *new_end = g_date_time_add (new_start, timespan);
gcal_event_set_date_end (event, new_end);
g_clear_pointer (&new_end, g_date_time_unref);
}
gcal_manager_update_event (self->manager, event, mod);
g_clear_pointer (&new_start, g_date_time_unref);
self->children_changed = TRUE;
}
g_clear_pointer (&start_dt, g_date_time_unref);
out:
/* Cancel the DnD */
self->dnd_cell = -1;
gtk_drag_unhighlight (widget);
gtk_drag_finish (context, TRUE, FALSE, time);
gtk_widget_queue_draw (widget);
return TRUE;
}
static void
gcal_month_view_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time)
{
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
/* Cancel the drag */
self->dnd_cell = -1;
gtk_drag_unhighlight (widget);
gtk_widget_queue_draw (widget);
}
static gboolean
cancel_dnd_from_overflow_popover (GtkWidget *popover)
{
gtk_widget_hide (popover);
return FALSE;
}
static gboolean
gcal_month_view_scroll_event (GtkWidget *widget,
GdkEventScroll *scroll_event)
{
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
/*
* If we accumulated enough scrolling, change the month. Otherwise, we'd scroll
* waaay too fast.
*/
if (should_change_date_for_scroll (&self->scroll_value, scroll_event))
{
self->date->month += self->scroll_value > 0 ? 1 : -1;
*self->date = icaltime_normalize (*self->date);
self->scroll_value = 0;
gtk_widget_queue_draw (widget);
g_object_notify (G_OBJECT (widget), "active-date");
}
return GDK_EVENT_STOP;
}
static void
add_new_event_button_cb (GtkWidget *button,
gpointer user_data)
{
GcalMonthView *self;
gint day;
GDateTime *start_date;
self = GCAL_MONTH_VIEW (user_data);
gtk_widget_hide (self->overflow_popover);
day = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (self->overflow_popover), "selected-day"));
start_date = g_date_time_new_local (self->date->year, self->date->month, day, 0, 0, 0);
g_signal_emit_by_name (GCAL_VIEW (user_data), "create-event-detailed", start_date, NULL);
g_date_time_unref (start_date);
}
/* GcalView Interface API */
static icaltimetype*
gcal_month_view_get_date (GcalView *view)
{
GcalMonthView *self = GCAL_MONTH_VIEW (view);
return self->date;
}
static void
gcal_month_view_set_date (GcalView *view,
icaltimetype *date)
{
GcalMonthView *self;
GCAL_ENTRY;
self = GCAL_MONTH_VIEW (view);
g_clear_pointer (&self->date, g_free);
self->date = gcal_dup_icaltime (date);
self->days_delay = (time_day_of_week (1, self->date->month - 1, self->date->year) - self->first_weekday + 7) % 7;
self->keyboard_cell = self->days_delay + (self->date->day - 1);
GCAL_TRACE_MSG ("new date: %s", icaltime_as_ical_string (*date));
self->children_changed = TRUE;
gtk_widget_queue_resize (GTK_WIDGET (view));
GCAL_EXIT;
}
static void
gcal_month_view_clear_marks (GcalView *view)
{
cancel_selection (GCAL_MONTH_VIEW (view));
gtk_widget_queue_draw (GTK_WIDGET (view));
}
static GList*
gcal_month_view_get_children_by_uuid (GcalView *view,
GcalRecurrenceModType mod,
const gchar *uuid)
{
GHashTableIter iter;
GcalMonthView *self;
GList *children;
GList *tmp;
self = GCAL_MONTH_VIEW (view);
children = NULL;
g_hash_table_iter_init (&iter, self->children);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &tmp))
children = g_list_concat (children, g_list_copy (tmp));
return filter_event_list_by_uid_and_modtype (children, mod, uuid);
}
static void
gcal_view_interface_init (GcalViewInterface *iface)
{
iface->get_date = gcal_month_view_get_date;
iface->set_date = gcal_month_view_set_date;
iface->clear_marks = gcal_month_view_clear_marks;
iface->get_children_by_uuid = gcal_month_view_get_children_by_uuid;
}
/*
* ECalDataModelSubscriber interface
*/
static void
gcal_month_view_component_added (ECalDataModelSubscriber *subscriber,
ECalClient *client,
ECalComponent *comp)
{
GtkWidget *event_widget;
GcalEvent *event;
GError *error;
error = NULL;
event = gcal_event_new (e_client_get_source (E_CLIENT (client)), comp, &error);
if (error)
{
g_message ("Error creating event: %s", error->message);
g_clear_error (&error);
return;
}
event_widget = gcal_event_widget_new (event);
gcal_event_widget_set_read_only (GCAL_EVENT_WIDGET (event_widget), e_client_is_readonly (E_CLIENT (client)));
gtk_widget_show (event_widget);
gtk_container_add (GTK_CONTAINER (subscriber), event_widget);
g_clear_object (&event);
}
static void
gcal_month_view_component_modified (ECalDataModelSubscriber *subscriber,
ECalClient *client,
ECalComponent *comp)
{
GcalMonthView *self;
GList *l;
GtkWidget *new_widget;
GcalEvent *event;
GError *error;
error = NULL;
self = GCAL_MONTH_VIEW (subscriber);
event = gcal_event_new (e_client_get_source (E_CLIENT (client)), comp, &error);
if (error)
{
g_message ("Error creating event: %s", error->message);
g_clear_error (&error);
return;
}
new_widget = gcal_event_widget_new (event);
l = g_hash_table_lookup (self->children, gcal_event_get_uid (event));
if (l != NULL)
{
gtk_widget_destroy (l->data);
gtk_widget_show (new_widget);
gtk_container_add (GTK_CONTAINER (subscriber), new_widget);
}
else
{
g_warning ("%s: Widget with uuid: %s not found in view: %s",
G_STRFUNC, gcal_event_get_uid (event),
gtk_widget_get_name (GTK_WIDGET (subscriber)));
gtk_widget_destroy (new_widget);
}
g_clear_object (&event);
}
static void
gcal_month_view_component_removed (ECalDataModelSubscriber *subscriber,
ECalClient *client,
const gchar *uid,
const gchar *rid)
{
GcalMonthView *self;
const gchar *sid;
gchar *uuid;
GList *l;
self = GCAL_MONTH_VIEW (subscriber);
sid = e_source_get_uid (e_client_get_source (E_CLIENT (client)));
if (rid != NULL)
uuid = g_strdup_printf ("%s:%s:%s", sid, uid, rid);
else
uuid = g_strdup_printf ("%s:%s", sid, uid);
l = g_hash_table_lookup (self->children, uuid);
if (l != NULL)
{
gtk_widget_destroy (l->data);
}
else
{
g_warning ("%s: Widget with uuid: %s not found in view: %s",
G_STRFUNC, uuid, gtk_widget_get_name (GTK_WIDGET (subscriber)));
}
g_free (uuid);
}
static void
gcal_month_view_freeze (ECalDataModelSubscriber *subscriber)
{
}
static void
gcal_month_view_thaw (ECalDataModelSubscriber *subscriber)
{
}
static void
e_data_model_subscriber_interface_init (ECalDataModelSubscriberInterface *iface)
{
iface->component_added = gcal_month_view_component_added;
iface->component_modified = gcal_month_view_component_modified;
iface->component_removed = gcal_month_view_component_removed;
iface->freeze = gcal_month_view_freeze;
iface->thaw = gcal_month_view_thaw;
}
/*
* GtkContainer overrides
*/
static inline guint
get_child_cell (GcalMonthView *self,
GcalEventWidget *child)
{
GcalEvent *event;
GDateTime *dt;
gint cell;
event = gcal_event_widget_get_event (child);
dt = gcal_event_get_date_start (event);
/* Don't adjust the date when the event is all day */
if (gcal_event_get_all_day (event))
{
cell = g_date_time_get_day_of_month (dt);
}
else
{
dt = g_date_time_to_local (dt);
cell = g_date_time_get_day_of_month (dt);
g_clear_pointer (&dt, g_date_time_unref);
}
return cell;
}
static void
gcal_month_view_add (GtkContainer *container,
GtkWidget *widget)
{
GcalMonthView *self;
GcalEvent *event;
const gchar *uuid;
GList *l = NULL;
g_return_if_fail (GCAL_IS_EVENT_WIDGET (widget));
g_return_if_fail (gtk_widget_get_parent (widget) == NULL);
self = GCAL_MONTH_VIEW (container);
event = gcal_event_widget_get_event (GCAL_EVENT_WIDGET (widget));
uuid = gcal_event_get_uid (event);
/* inserting in all children hash */
if (g_hash_table_lookup (self->children, uuid) != NULL)
{
g_warning ("Event with uuid: %s already added", uuid);
gtk_widget_destroy (widget);
return;
}
self->children_changed = TRUE;
l = g_list_append (l, widget);
g_hash_table_insert (self->children, g_strdup (uuid), l);
if (gcal_event_is_multiday (event))
{
self->multi_cell_children = g_list_insert_sorted (self->multi_cell_children, widget,
(GCompareFunc) gcal_event_widget_sort_events);
}
else
{
guint cell_idx;
cell_idx = get_child_cell (self, GCAL_EVENT_WIDGET (widget));
l = g_hash_table_lookup (self->single_cell_children, GINT_TO_POINTER (cell_idx));
l = g_list_insert_sorted (l, widget, (GCompareFunc) gcal_event_widget_compare_by_start_date);
if (g_list_length (l) != 1)
{
g_hash_table_steal (self->single_cell_children, GINT_TO_POINTER (cell_idx));
}
g_hash_table_insert (self->single_cell_children, GINT_TO_POINTER (cell_idx), l);
}
setup_child_widget (self, widget);
}
static void
gcal_month_view_remove (GtkContainer *container,
GtkWidget *widget)
{
GcalMonthView *self;
GtkWidget *master_widget;
GcalEvent *event;
GList *l, *aux;
const gchar *uuid;
g_return_if_fail (gtk_widget_get_parent (widget) == GTK_WIDGET (container));
self = GCAL_MONTH_VIEW (container);
event = gcal_event_widget_get_event (GCAL_EVENT_WIDGET (widget));
uuid = gcal_event_get_uid (event);
l = g_hash_table_lookup (self->children, uuid);
if (l)
{
self->children_changed = TRUE;
gtk_widget_unparent (widget);
master_widget = (GtkWidget*) l->data;
if (widget == master_widget)
{
if (g_list_find (self->multi_cell_children, widget) != NULL)
{
self->multi_cell_children = g_list_remove (self->multi_cell_children, widget);
aux = g_list_next (l);
if (aux != NULL)
{
l->next = NULL;
aux->prev = NULL;
g_list_foreach (aux, (GFunc) gtk_widget_unparent, NULL);
g_list_free (aux);
}
}
else
{
GHashTableIter iter;
gpointer key, value;
/*
* When an event is changed, we can't rely on it's old date
* to remove the corresponding widget. Because of that, we have
* to iter through all the widgets to see which one matches
*/
g_hash_table_iter_init (&iter, self->single_cell_children);
while (g_hash_table_iter_next (&iter, &key, &value))
{
gboolean should_break;
should_break = FALSE;
for (aux = value; aux != NULL; aux = aux->next)
{
if (aux->data == widget)
{
aux = g_list_remove (g_list_copy (value), widget);
/*
* If we removed the event and there's no event left for
* the day, remove the key from the table. If there are
* events for that day, replace the list.
*/
if (!aux)
g_hash_table_remove (self->single_cell_children, key);
else
g_hash_table_replace (self->single_cell_children, key, aux);
should_break = TRUE;
break;
}
}
if (should_break)
break;
}
}
}
l = g_list_remove (g_list_copy (l), widget);
if (!l)
g_hash_table_remove (self->children, uuid);
else
g_hash_table_replace (self->children, g_strdup (uuid), l);
g_hash_table_remove (self->hidden_as_overflow, uuid);
gtk_widget_queue_resize (GTK_WIDGET (container));
}
}
static void
gcal_month_view_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
GcalMonthView *self;
GList *l, *l2, *aux = NULL;
self = GCAL_MONTH_VIEW (container);
l2 = g_hash_table_get_values (self->children);
for (l = l2; l != NULL; l = g_list_next (l))
aux = g_list_concat (aux, g_list_reverse (g_list_copy (l->data)));
g_list_free (l2);
l = aux;
while (aux)
{
GtkWidget *widget = (GtkWidget*) aux->data;
aux = aux->next;
(*callback) (widget, callback_data);
}
g_list_free (l);
}
/*
* GObject overrides
*/
static void
gcal_month_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GcalMonthView *self = (GcalMonthView *) object;
switch (property_id)
{
case PROP_DATE:
gcal_view_set_date (GCAL_VIEW (object), g_value_get_boxed (value));
break;
case PROP_MANAGER:
self->manager = g_value_dup_object (value);
g_signal_connect_swapped (gcal_manager_get_clock (self->manager),
"day-changed",
G_CALLBACK (gtk_widget_queue_draw),
self);
g_object_notify (object, "manager");
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gcal_month_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GcalMonthView *self = GCAL_MONTH_VIEW (object);
switch (property_id)
{
case PROP_DATE:
g_value_set_boxed (value, self->date);
break;
case PROP_MANAGER:
g_value_set_object (value, self->manager);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gcal_month_view_finalize (GObject *object)
{
GcalMonthView *self = GCAL_MONTH_VIEW (object);
g_clear_pointer (&self->date, g_free);
g_clear_pointer (&self->children, g_hash_table_destroy);
g_clear_pointer (&self->single_cell_children, g_hash_table_destroy);
g_clear_pointer (&self->overflow_cells, g_hash_table_destroy);
g_clear_pointer (&self->hidden_as_overflow, g_hash_table_destroy);
g_clear_pointer (&self->multi_cell_children, g_list_free);
g_clear_object (&self->manager);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (gcal_month_view_parent_class)->finalize (object);
}
static void
gcal_month_view_realize (GtkWidget *widget)
{
GcalMonthView *self;
GdkWindow *parent_window;
GdkWindowAttr attributes;
gint attributes_mask;
GtkAllocation allocation;
self = GCAL_MONTH_VIEW (widget);
gtk_widget_set_realized (widget, TRUE);
parent_window = gtk_widget_get_parent_window (widget);
gtk_widget_set_window (widget, parent_window);
g_object_ref (parent_window);
gtk_widget_get_allocation (widget, &allocation);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.wclass = GDK_INPUT_ONLY;
attributes.x = allocation.x;
attributes.y = allocation.y;
attributes.width = allocation.width;
attributes.height = allocation.height;
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_POINTER_MOTION_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_SCROLL_MASK |
GDK_SMOOTH_SCROLL_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y;
self->event_window = gdk_window_new (parent_window,
&attributes,
attributes_mask);
gtk_widget_register_window (widget, self->event_window);
}
static void
gcal_month_view_unrealize (GtkWidget *widget)
{
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
if (self->event_window != NULL)
{
gtk_widget_unregister_window (widget, self->event_window);
gdk_window_destroy (self->event_window);
self->event_window = NULL;
}
GTK_WIDGET_CLASS (gcal_month_view_parent_class)->unrealize (widget);
}
static void
gcal_month_view_map (GtkWidget *widget)
{
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
if (self->event_window != NULL)
gdk_window_show (self->event_window);
GTK_WIDGET_CLASS (gcal_month_view_parent_class)->map (widget);
}
static void
gcal_month_view_unmap (GtkWidget *widget)
{
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
if (self->event_window != NULL)
gdk_window_hide (self->event_window);
GTK_WIDGET_CLASS (gcal_month_view_parent_class)->unmap (widget);
}
static void
gcal_month_view_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkStyleContext *context, *child_context;
GcalMonthView *self;
gint i, j, sw, shown_rows;
GtkBorder margin;
gint padding_bottom, font_height;
PangoLayout *layout;
PangoFontDescription *font_desc;
gdouble start_grid_y, first_row_gap, cell_width, cell_height, vertical_cell_space;
gdouble pos_x, pos_y, size_left [42];
const gchar *uuid;
GtkWidget *child_widget;
GtkAllocation child_allocation;
gint natural_height;
GList *widgets, *aux, *l = NULL;
GHashTableIter iter;
gpointer key, value;
self = gcal_month_view_get_instance_private (GCAL_MONTH_VIEW (widget));
context = gtk_widget_get_style_context (widget);
/* No need to relayout stuff if nothing changed */
if (!self->children_changed &&
allocation->height == gtk_widget_get_allocated_height (widget) &&
allocation->width == gtk_widget_get_allocated_width (widget))
{
return;
}
/* remove every widget' parts, but the master widget */
widgets = g_hash_table_get_values (self->children);
for (aux = widgets; aux != NULL; aux = g_list_next (aux))
l = g_list_concat (l, g_list_copy (g_list_next (aux->data)));
g_list_free (widgets);
g_list_free_full (l, (GDestroyNotify) gtk_widget_destroy);
/* clean overflow information */
g_hash_table_remove_all (self->overflow_cells);
/* Allocate the widget */
gtk_widget_set_allocation (widget, allocation);
if (gtk_widget_get_realized (widget))
gdk_window_move_resize (self->event_window, allocation->x, allocation->y, allocation->width, allocation->height);
gtk_style_context_get (context,
gtk_style_context_get_state (context),
"font", &font_desc,
"padding-bottom", &padding_bottom,
NULL);
layout = gtk_widget_create_pango_layout (widget, _("Other events"));
pango_layout_set_font_description (layout, font_desc);
pango_layout_get_pixel_size (layout, NULL, &font_height);
pango_font_description_free (font_desc);
g_object_unref (layout);
start_grid_y = get_start_grid_y (widget);
cell_width = allocation->width / 7.0;
cell_height = (allocation->height - start_grid_y) / 6.0;
vertical_cell_space = cell_height - (padding_bottom * 2 + font_height);
for (i = 0; i < 42; i++)
size_left[i] = vertical_cell_space;
shown_rows = ceil ((self->days_delay + icaltime_days_in_month (self->date->month, self->date->year)) / 7.0);
first_row_gap = (6 - shown_rows) * 0.5;
sw = 1 - 2 * self->k;
/*
* Allocate multidays events before single day events, as they have a
* higher priority. Multiday events have a master event, and clones
* to represent the multiple sections of the event.
*/
for (l = self->multi_cell_children; l != NULL; l = g_list_next (l))
{
gint first_cell, last_cell, first_row, last_row, start, end;
gboolean visible, all_day;
GDateTime *date;
GcalEvent *event;
GArray *cells, *lengths;
child_widget = (GtkWidget*) l->data;
event = gcal_event_widget_get_event (l->data);
uuid = gcal_event_get_uid (event);
all_day = gcal_event_get_all_day (event);
child_context = gtk_widget_get_style_context (l->data);
if (!gtk_widget_is_visible (child_widget) && !g_hash_table_contains (self->hidden_as_overflow, uuid))
continue;
gtk_widget_show (child_widget);
gtk_widget_get_preferred_height (child_widget, NULL, &natural_height);
/*
* If the month of the event's start date is equal to the month
* we're visualizing, the first cell is the event's day of the
* month. Otherwise, the first cell is the 1st day of the month.
*/
j = 1;
date = gcal_event_get_date_start (event);
date = all_day ? g_date_time_ref (date) : g_date_time_to_local (date);
if (g_date_time_get_month (date) == self->date->month)
j = g_date_time_get_day_of_month (date);
j += self->days_delay;
g_clear_pointer (&date, g_date_time_unref);
/*
* Calculate the first cell position according to the locale
* and the start date.
*/
first_cell = 7 * ((j - 1) / 7)+ 6 * self->k + sw * ((j - 1) % 7);
/*
* The logic for the end date is the same, except that we have to check
* if the event is all day or not.
*/
j = icaltime_days_in_month (self->date->month, self->date->year);
date = gcal_event_get_date_end (event);
date = all_day ? g_date_time_ref (date) : g_date_time_to_local (date);
if (g_date_time_get_month (date) == self->date->month)
{
j = g_date_time_get_day_of_month (date);
/* If the event is all day, we have to subtract 1 to find the the real date */
if (all_day)
j--;
}
j += self->days_delay;
g_clear_pointer (&date, g_date_time_unref);
last_cell = 7 * ((j - 1) / 7)+ 6 * self->k + sw * ((j - 1) % 7);
/*
* Now that we found the start & end dates, we have to find out
* whether the event is visible or not.
*/
first_row = first_cell / 7;
last_row = last_cell / 7;
visible = TRUE;
cells = g_array_sized_new (TRUE, TRUE, sizeof (gint), 16);
lengths = g_array_sized_new (TRUE, TRUE, sizeof (gint), 16);
for (i = first_row; i <= last_row && visible; i++)
{
start = i * 7 + self->k * 6;
end = i * 7 + (1 - self->k) * 6;
if (i == first_row)
start = first_cell;
if (i == last_row)
end = last_cell;
visible = get_widget_parts (start, end, natural_height, vertical_cell_space, size_left, cells, lengths);
}
if (visible)
{
for (i = 0; i < cells->len; i++)
{
GDateTime *dt_start, *dt_end;
gint cell_idx = g_array_index (cells, gint, i);
gint length = g_array_index (lengths, gint, i);
gint row = cell_idx / 7;
gint column = cell_idx % 7;
gint day = cell_idx - self->days_delay + 1;
/* Day number is calculated differently on RTL languages */
if (self->k)
day = 7 * row + MIRROR (cell_idx % 7, 0, 7) - self->days_delay - length + 1;
if (i != 0)
{
child_widget = gcal_event_widget_clone (GCAL_EVENT_WIDGET (child_widget));
setup_child_widget (self, child_widget);
gtk_widget_show (child_widget);
child_context = gtk_widget_get_style_context (child_widget);
aux = g_hash_table_lookup (self->children, uuid);
aux = g_list_append (aux, child_widget);
}
/* XXX: silence Gtk+ complaining about preferred size */
gtk_widget_get_preferred_height (child_widget, NULL, &natural_height);
/*
* Setup the widget's start date as the first day of the row,
* and the widget's end date as the last day of the row. We don't
* have to worry about the dates, since GcalEventWidget performs
* some checks and only applies the dates when it's valid.
*/
dt_start = g_date_time_new (gcal_event_get_timezone (event),
self->date->year,
self->date->month,
day,
0, 0, 0);
dt_end = g_date_time_add_days (dt_start, length);
gcal_event_widget_set_date_start (GCAL_EVENT_WIDGET (child_widget), dt_start);
gcal_event_widget_set_date_end (GCAL_EVENT_WIDGET (child_widget), dt_end);
/* Position and allocate the child widget */
gtk_style_context_get_margin (gtk_widget_get_style_context (child_widget),
gtk_style_context_get_state (child_context),
&margin);
pos_x = cell_width * column + margin.left;
pos_y = cell_height * (row + first_row_gap) + start_grid_y + margin.top;
child_allocation.x = pos_x;
child_allocation.y = pos_y + vertical_cell_space - size_left[cell_idx];
child_allocation.width = cell_width * length - (margin.left + margin.right);
child_allocation.height = natural_height;
gtk_widget_size_allocate (child_widget, &child_allocation);
g_hash_table_remove (self->hidden_as_overflow, uuid);
/* update size_left */
for (j = 0; j < length; j++)
size_left[cell_idx + j] -= natural_height + margin.top + margin.bottom;
g_clear_pointer (&dt_start, g_date_time_unref);
g_clear_pointer (&dt_end, g_date_time_unref);
}
}
else
{
gtk_widget_hide (child_widget);
g_hash_table_add (self->hidden_as_overflow, g_strdup (uuid));
for (i = first_cell; i <= last_cell; i++)
{
aux = g_hash_table_lookup (self->overflow_cells, GINT_TO_POINTER (i));
aux = g_list_append (aux, child_widget);
if (g_list_length (aux) == 1)
g_hash_table_insert (self->overflow_cells, GINT_TO_POINTER (i), aux);
else
g_hash_table_replace (self->overflow_cells, GINT_TO_POINTER (i), g_list_copy (aux));
}
}
g_array_free (cells, TRUE);
g_array_free (lengths, TRUE);
}
/*
* Allocate single day events after multiday ones. For single
* day children, there's no need to calculate the start & end
* dates of the widgets.
*/
g_hash_table_iter_init (&iter, self->single_cell_children);
while (g_hash_table_iter_next (&iter, &key, &value))
{
j = GPOINTER_TO_INT (key);
j += self->days_delay;
i = 7 * ((j - 1) / 7)+ 6 * self->k + sw * ((j - 1) % 7);
l = (GList*) value;
for (aux = l; aux != NULL; aux = g_list_next (aux))
{
GcalEvent *event;
child_widget = aux->data;
event = gcal_event_widget_get_event (aux->data);
uuid = gcal_event_get_uid (event);
if (!gtk_widget_is_visible (child_widget) && !g_hash_table_contains (self->hidden_as_overflow, uuid))
continue;
gtk_widget_show (child_widget);
gtk_widget_get_preferred_height (child_widget, NULL, &natural_height);
if (size_left[i] > natural_height)
{
child_context = gtk_widget_get_style_context (child_widget);
gtk_style_context_get_margin (child_context, gtk_style_context_get_state (child_context), &margin);
pos_x = cell_width * (i % 7) + margin.left;
pos_y = cell_height * ((i / 7) + first_row_gap) + start_grid_y + margin.top;
child_allocation.x = pos_x;
child_allocation.y = pos_y + vertical_cell_space - size_left[i];
child_allocation.width = cell_width - (margin.left + margin.right);
child_allocation.height = natural_height;
gtk_widget_show (child_widget);
gtk_widget_size_allocate (child_widget, &child_allocation);
g_hash_table_remove (self->hidden_as_overflow, uuid);
size_left[i] -= natural_height + margin.top + margin.bottom;
}
else
{
gtk_widget_hide (child_widget);
g_hash_table_add (self->hidden_as_overflow, g_strdup (uuid));
l = g_hash_table_lookup (self->overflow_cells, GINT_TO_POINTER (i));
l = g_list_append (l, child_widget);
if (g_list_length (l) == 1)
g_hash_table_insert (self->overflow_cells, GINT_TO_POINTER (i), l);
else
g_hash_table_replace (self->overflow_cells, GINT_TO_POINTER (i), g_list_copy (l));
}
}
}
if (g_hash_table_size (self->overflow_cells) != 0)
gtk_widget_queue_draw (widget);
self->children_changed = FALSE;
}
static gboolean
gcal_month_view_draw (GtkWidget *widget,
cairo_t *cr)
{
GcalMonthView *self;
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder padding;
GtkAllocation alloc;
GdkRGBA color;
gchar *header_str;
PangoLayout *layout;
PangoFontDescription *font_desc, *sfont_desc;
g_autoptr (GDateTime) today;
gint font_width, font_height, pos_x, pos_y, shown_rows;
gint i, j, sw, lower_mark = 43, upper_mark = -2;
gint unused_start, unused_start_width;
gint unused_end, unused_end_width;
gdouble cell_width, cell_height;
gdouble start_grid_y, first_row_gap = 0.0;
gdouble days;
gboolean is_ltr;
self = GCAL_MONTH_VIEW (widget);
today = g_date_time_new_now_local ();
is_ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL;
/* fonts and colors selection */
context = gtk_widget_get_style_context (widget);
state = gtk_style_context_get_state (context);
/* Get font description */
gtk_style_context_save (context);
gtk_style_context_set_state (context, state | GTK_STATE_FLAG_SELECTED);
gtk_style_context_get (context, state | GTK_STATE_FLAG_SELECTED, "font", &sfont_desc, NULL);
gtk_style_context_restore (context);
gtk_widget_get_allocation (widget, &alloc);
start_grid_y = get_start_grid_y (widget);
cell_width = alloc.width / 7.0;
cell_height = (alloc.height - start_grid_y) / 6.0;
layout = gtk_widget_create_pango_layout (widget, NULL);
/* calculations */
days = self->days_delay + icaltime_days_in_month (self->date->month, self->date->year);
shown_rows = ceil (days / 7.0);
first_row_gap = (6 - shown_rows) * 0.5; /* invalid area before the actual rows */
sw = 1 - 2 * self->k;
/* active cells */
if (self->start_mark_cell && self->end_mark_cell)
{
gint start_year, end_year, start_month, end_month;
upper_mark = g_date_time_get_day_of_month(self->end_mark_cell);
start_year = g_date_time_get_year (self->start_mark_cell);
end_year = g_date_time_get_year (self->end_mark_cell);
start_month = g_date_time_get_month (self->start_mark_cell);
end_month = g_date_time_get_month (self->end_mark_cell);
if (start_year == end_year && start_month == end_month)
{
lower_mark = g_date_time_get_day_of_month(self->start_mark_cell);
}
else
{
if (start_year != end_year)
lower_mark = start_year < end_year ? 1 : icaltime_days_in_month (end_month, end_year);
else
lower_mark = start_month < end_month ? 1 : icaltime_days_in_month (end_month, end_year);
}
if (lower_mark > upper_mark)
{
gint cell;
cell = lower_mark;
lower_mark = upper_mark;
upper_mark = cell;
}
}
/* view headers */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "start-header");
gtk_style_context_get (context, state, "font", &font_desc, NULL);
gtk_style_context_get_padding (context, state, &padding);
header_str = g_strdup_printf ("%s", gcal_get_month_name (self->date->month - 1));
pango_layout_set_text (layout, header_str, -1);
pango_layout_set_font_description (layout, font_desc);
pango_layout_get_pixel_size (layout, &font_width, NULL);
gtk_render_layout (context, cr, self->k * (alloc.width - font_width) + sw * padding.left, padding.top, layout);
pango_font_description_free (font_desc);
g_free (header_str);
gtk_style_context_restore (context);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "end-header");
gtk_style_context_get (context, state, "font", &font_desc, NULL);
gtk_style_context_get_padding (context, state, &padding);
header_str = g_strdup_printf ("%d", self->date->year);
pango_layout_set_text (layout, header_str, -1);
pango_layout_set_font_description (layout, font_desc);
pango_layout_get_pixel_size (layout, &font_width, NULL);
gtk_render_layout (context, cr, (1 - self->k) * (alloc.width - font_width) - sw * padding.left, padding.top, layout);
pango_font_description_free (font_desc);
g_free (header_str);
gtk_style_context_restore (context);
/*same padding for the rest of the view */
gtk_style_context_get_padding (context, state, &padding);
/* grid header */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "header");
gtk_style_context_get (context, state, "font", &font_desc, NULL);
pango_layout_set_font_description (layout, font_desc);
for (i = 0; i < 7; i++)
{
gchar *upcased_day;
j = 6 * self->k + sw * i;
upcased_day = g_utf8_strup (gcal_get_weekday ((j + self->first_weekday) % 7), -1);
pango_layout_set_text (layout, upcased_day, -1);
pango_layout_get_pixel_size (layout, &font_width, &font_height);
gtk_render_layout (context, cr,
cell_width * (i + self->k) + (sw * padding.left) - self->k * font_width,
start_grid_y - padding.bottom - font_height,
layout);
g_free (upcased_day);
}
pango_font_description_free (font_desc);
gtk_style_context_restore (context);
/* Drag and Drop highlight */
if (self->dnd_cell != -1)
{
gtk_render_background (context,
cr,
floor (cell_width * real_cell (self->dnd_cell % 7, self->k)),
floor (cell_height * (self->dnd_cell / 7 + first_row_gap) + start_grid_y),
cell_width + 1,
cell_height + 1);
}
/* grey background on cells outside the current month */
unused_start = is_ltr ? 0 : real_cell (self->days_delay - 1, self->k);
unused_start_width = self->days_delay;
unused_end = is_ltr ? real_cell (days, self->k) % 7 : 0;
unused_end_width = 7 * shown_rows - days;
gtk_style_context_save (context);
gtk_style_context_add_class (context, "offset");
if (self->dnd_cell != -1)
gtk_drag_unhighlight (widget);
/* Half-cell at the top and bottom */
if (shown_rows == 5)
{
gdouble half_cell = cell_height / 2.0;
gtk_render_background (context,
cr,
0,
start_grid_y,
alloc.width,
half_cell);
gtk_render_background (context,
cr,
0,
start_grid_y + cell_height * (shown_rows + first_row_gap),
alloc.width,
cell_height / 2);
}
/* Unused cells at the start */
if (unused_start_width > 0)
{
gtk_render_background (context,
cr,
floor (cell_width * unused_start),
floor (cell_height * first_row_gap + start_grid_y),
cell_width * unused_start_width,
cell_height + 1);
}
/* Unused cells at the end */
if (unused_end_width > 0)
{
gtk_render_background (context,
cr,
floor (cell_width * unused_end),
floor (start_grid_y + cell_height * (first_row_gap + shown_rows - 1)),
cell_width * unused_end_width + 1,
cell_height + 1);
}
if (self->dnd_cell != -1)
gtk_drag_highlight (widget);
gtk_style_context_restore (context);
/* grid numbers */
gtk_style_context_get (context, state, "font", &font_desc, NULL);
pango_layout_set_font_description (layout, font_desc);
for (i = 0; i < 7 * shown_rows; i++)
{
gchar *nr_day;
gint column = i % 7;
gint row = i / 7;
gint real_i = real_cell (i, self->k);
j = 7 * ((i + 7 * self->k) / 7) + sw * (i % 7) + (1 - self->k);
if (j <= self->days_delay)
continue;
else if (j > days)
continue;
j -= self->days_delay;
nr_day = g_strdup_printf ("%d", j);
if (self->date->year == g_date_time_get_year (today) &&
self->date->month == g_date_time_get_month (today) &&
j == g_date_time_get_day_of_month (today))
{
PangoFontDescription *cfont_desc;
PangoLayout *clayout;
gtk_style_context_save (context);
gtk_style_context_add_class (context, "current");
/*
* If the current day is not under a DnD, it's actually not possible
* to *not* show the DnD indicator using only CSS. So we have to fake
* the "I'm not under DnD" state.
*/
if (j != self->dnd_cell)
gtk_style_context_set_state (context, state & ~GTK_STATE_FLAG_DROP_ACTIVE);
clayout = gtk_widget_create_pango_layout (widget, nr_day);
gtk_style_context_get (context, state, "font", &cfont_desc, NULL);
pango_layout_set_font_description (clayout, cfont_desc);
pango_layout_get_pixel_size (clayout, &font_width, &font_height);
/* FIXME: hardcoded padding of the number background */
gtk_render_background (context, cr,
cell_width * column,
cell_height * (row + first_row_gap) + start_grid_y,
cell_width, cell_height);
gtk_render_layout (context, cr,
cell_width * (column + 1 - self->k) - sw * padding.right + (self->k - 1) * font_width,
cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y,
clayout);
gtk_style_context_restore (context);
pango_font_description_free (cfont_desc);
g_object_unref (clayout);
}
else if (lower_mark <= j && j <= upper_mark)
{
gtk_style_context_save (context);
gtk_style_context_set_state (context, GTK_STATE_FLAG_SELECTED);
pango_layout_set_text (layout, nr_day, -1);
pango_layout_set_font_description (layout, sfont_desc);
pango_layout_get_pixel_size (layout, &font_width, &font_height);
gtk_render_layout (context, cr,
cell_width * (column + 1 - self->k) - sw * padding.right + (self->k - 1) * font_width,
cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y,
layout);
gtk_style_context_restore (context);
pango_layout_set_font_description (layout, font_desc);
}
else
{
pango_layout_set_text (layout, nr_day, -1);
pango_layout_get_pixel_size (layout, &font_width, &font_height);
gtk_render_layout (context, cr,
cell_width * (column + 1 - self->k) - sw * padding.right + (self->k - 1) * font_width,
cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y,
layout);
}
g_free (nr_day);
if (g_hash_table_contains (self->overflow_cells, GINT_TO_POINTER (real_i)))
{
GList *l;
PangoLayout *overflow_layout;
PangoFontDescription *ofont_desc;
gchar *overflow_str;
gdouble y_value;
l = g_hash_table_lookup (self->overflow_cells, GINT_TO_POINTER (real_i));
/* TODO: Warning: in some languages this string can be too long and may overlap with the number */
overflow_str = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE, "Other event", "Other %d events", g_list_length (l)),
g_list_length (l));
gtk_style_context_save (context);
gtk_style_context_add_class (context, "overflow");
if (self->hovered_overflow_indicator == real_i)
{
gtk_style_context_set_state (context, GTK_STATE_FLAG_PRELIGHT);
gtk_style_context_get (context, GTK_STATE_FLAG_PRELIGHT, "font", &ofont_desc, NULL);
}
else
{
gtk_style_context_get (context, state, "font", &ofont_desc, NULL);
}
if (self->k)
column = MIRROR (column, 0, 7) - 1;
overflow_layout = gtk_widget_create_pango_layout (widget, overflow_str);
pango_layout_set_font_description (overflow_layout, ofont_desc);
pango_layout_set_width (overflow_layout, pango_units_from_double (cell_width - (font_width + padding.right + padding.left)));
pango_layout_set_alignment (overflow_layout, PANGO_ALIGN_CENTER);
pango_layout_set_ellipsize (overflow_layout, PANGO_ELLIPSIZE_END);
pango_layout_get_pixel_size (overflow_layout, &font_width, &font_height);
y_value = cell_height * (row + 1 + first_row_gap) - font_height - padding.bottom + start_grid_y;
if ((!gtk_widget_is_visible (self->overflow_popover) && self->hovered_overflow_indicator == real_i) ||
gtk_widget_is_visible (self->overflow_popover))
{
gtk_render_background (context, cr, cell_width * column, y_value - padding.bottom,
cell_width, font_height + padding.bottom * 2);
}
gtk_render_layout (context, cr, cell_width * column + padding.left, y_value, overflow_layout);
gtk_style_context_remove_class (context, "overflow");
gtk_style_context_restore (context);
g_free (overflow_str);
pango_font_description_free (ofont_desc);
g_object_unref (overflow_layout);
}
}
pango_font_description_free (sfont_desc);
pango_font_description_free (font_desc);
/* lines */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "lines");
gtk_style_context_get_color (context, state, &color);
cairo_set_line_width (cr, LINE_WIDTH);
gdk_cairo_set_source_rgba (cr, &color);
/* vertical lines, the easy ones */
for (i = 0; i < 6; i++)
{
pos_x = cell_width * (i + 1);
cairo_move_to (cr, pos_x + (LINE_WIDTH / 2), start_grid_y);
cairo_rel_line_to (cr, 0, alloc.height - start_grid_y);
}
/* top horizontal line */
cairo_move_to (cr, 0, start_grid_y + (LINE_WIDTH / 2));
cairo_rel_line_to (cr, alloc.width, 0);
/* drawing weeks lines */
for (i = 0; i < (shown_rows % 2) + 5; i++)
{
pos_y = cell_height * (i + 0.5 * (2.0 - (shown_rows % 2))) + start_grid_y;
cairo_move_to (cr, 0, pos_y + (LINE_WIDTH / 2));
cairo_rel_line_to (cr, alloc.width, 0);
}
cairo_stroke (cr);
gtk_style_context_restore (context);
/* selection borders */
if (self->start_mark_cell && self->end_mark_cell)
{
gint first_mark, last_mark;
gint pos_x2, pos_y2;
gint start_year, end_year, start_month, end_month;
start_year = g_date_time_get_year (self->start_mark_cell);
end_year = g_date_time_get_year (self->end_mark_cell);
start_month = g_date_time_get_month (self->start_mark_cell);
end_month = g_date_time_get_month (self->end_mark_cell);
last_mark = real_cell (g_date_time_get_day_of_month (self->end_mark_cell) + self->days_delay - 1, self->k);
if (start_year == end_year && start_month == end_month)
{
first_mark = real_cell (g_date_time_get_day_of_month (self->start_mark_cell) + self->days_delay - 1, self->k);
}
else
{
gint start_cell, end_cell;
start_cell = self->days_delay;
end_cell = icaltime_days_in_month (end_month, end_year) + self->days_delay - 1;
if (start_year != end_year)
first_mark = start_year < end_year ? real_cell (start_cell, self->k) : real_cell(end_cell, self->k);
else
first_mark = start_month < end_month ? real_cell (start_cell, self->k) : real_cell (end_cell, self->k);
}
if (first_mark > last_mark)
{
gint tmp = first_mark;
first_mark = last_mark;
last_mark = tmp;
}
/* Retrieve the selection color */
gtk_style_context_save (context);
gtk_style_context_set_state (context, state | GTK_STATE_FLAG_SELECTED);
gtk_style_context_get_color (context, state | GTK_STATE_FLAG_SELECTED, &color);
gtk_style_context_restore (context);
gdk_cairo_set_source_rgba (cr, &color);
cairo_set_line_width (cr, LINE_WIDTH);
if ((first_mark / 7) == (last_mark / 7))
{
/* selection in 1 row with 1 rectangular outline */
gint row = first_mark / 7;
gint first_column = first_mark % 7;
gint last_column = last_mark % 7;
pos_x = cell_width * (first_column);
pos_x2 = cell_width * (last_column + 1);
pos_y = cell_height * (row + first_row_gap) + start_grid_y;
pos_y2 = cell_height * (row + 1.0 + first_row_gap) + start_grid_y;
cairo_rectangle (cr, pos_x + (LINE_WIDTH / 2), pos_y + (LINE_WIDTH / 2),
pos_x2 - pos_x + (LINE_WIDTH / 2), pos_y2 - pos_y + (LINE_WIDTH / 2));
}
else if ((first_mark / 7) == ((last_mark / 7) - 1) && (first_mark % 7) > ((last_mark % 7) + 1))
{
/* selection in 2 rows with 2 seperate rectangular outlines */
gint first_row = first_mark / 7;
gint last_row = last_mark / 7;
gint first_column = first_mark % 7;
gint last_column = last_mark % 7;
gdouble end;
for (i = first_row; i <= last_row; i++)
{
if (i == first_row)
{
pos_x = cell_width * (first_column + self->k);
end = (alloc.width * (1 - self->k)) - pos_x;
}
else if (i == last_row)
{
pos_x = cell_width * (last_column + 1 - self->k);
end = (alloc.width * self->k) - pos_x;
}
else
{
pos_x = 0;
end = alloc.width;
}
pos_y = cell_height * (i + first_row_gap) + start_grid_y;
pos_y2 = cell_height * (i + 1.0 + first_row_gap) + start_grid_y;
cairo_rectangle (cr, pos_x + (LINE_WIDTH / 2), pos_y + (LINE_WIDTH / 2),
(gint)end + (LINE_WIDTH / 2), pos_y2 - pos_y + (LINE_WIDTH / 2));
}
}
else
{
/* multi-row selection with a single outline */
gint first_row = first_mark / 7;
gint last_row = last_mark / 7;
gint first_column = first_mark % 7;
gint last_column = last_mark % 7;
gdouble start_x = (cell_width * first_column) + (LINE_WIDTH / 2);
gdouble start_y = (cell_height * (first_row + first_row_gap)) + start_grid_y + (LINE_WIDTH / 2);
gdouble end_x = (cell_width * (last_column + 1.0)) + (LINE_WIDTH / 2);
gdouble end_y = (cell_height * (last_row + first_row_gap + 1.0)) + start_grid_y + (LINE_WIDTH / 2);
gdouble max_x = alloc.width - (LINE_WIDTH / 2);
/* Draw the irregular shaped selection box starting from the
* top-left corner of the start date (start_{x,y}) clock-wise
* to the right-bottom corner of the end date (end_{x,y}) and
* on finishing at the start date again.
*/
cairo_move_to (cr, start_x, start_y);
cairo_line_to (cr, max_x, start_y);
/* Skip intermediate drawing steps if end_{x,y} are at the
* last column in the row, this makes sure we always draw the
* outline within the visible drawing area.
*/
if (last_column == 6)
{
cairo_line_to (cr, max_x, end_y);
}
else
{
cairo_line_to (cr, max_x, end_y - cell_height);
cairo_line_to (cr, end_x, end_y - cell_height);
cairo_line_to (cr, end_x, end_y);
}
cairo_line_to (cr, (LINE_WIDTH / 2), end_y);
cairo_line_to (cr, (LINE_WIDTH / 2), start_y + cell_height);
cairo_line_to (cr, start_x, start_y + cell_height);
cairo_line_to (cr, start_x, start_y);
}
cairo_stroke_preserve (cr);
/* selection background fill */
cairo_set_source_rgba(cr, color.red, color.green, color.blue, 0.1);
cairo_fill(cr);
}
/* Draw focus rectangle */
if (self->keyboard_cell > self->days_delay - 1)
{
gint localized_cell;
gint x;
gint y;
localized_cell = real_cell (self->keyboard_cell % 7, self->k);
x = cell_width * (localized_cell);
y = cell_height * (self->keyboard_cell / 7 + first_row_gap) + start_grid_y;
gtk_render_focus (context, cr, x, y, cell_width, cell_height);
}
g_object_unref (layout);
if (GTK_WIDGET_CLASS (gcal_month_view_parent_class)->draw != NULL)
GTK_WIDGET_CLASS (gcal_month_view_parent_class)->draw (widget, cr);
return FALSE;
}
static gboolean
gcal_month_view_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GcalMonthView *self;
gint days, clicked_cell;
gboolean pressed_indicator = FALSE;
self = GCAL_MONTH_VIEW (widget);
days = self->days_delay + icaltime_days_in_month (self->date->month, self->date->year);
clicked_cell = gather_button_event_data (GCAL_MONTH_VIEW (widget), event->x, event->y, &pressed_indicator, NULL, NULL);
clicked_cell = real_cell (clicked_cell, self->k);
if (clicked_cell >= self->days_delay && clicked_cell < days)
{
g_clear_pointer (&self->start_mark_cell, g_date_time_unref);
self->keyboard_cell = clicked_cell;
self->start_mark_cell = g_date_time_new_local (self->date->year, self->date->month,
self->keyboard_cell - self->days_delay + 1,
0, 0, 0);
gtk_widget_queue_draw (widget);
}
if (pressed_indicator && g_hash_table_contains (self->overflow_cells, GINT_TO_POINTER (clicked_cell)))
self->pressed_overflow_indicator = clicked_cell;
return GDK_EVENT_PROPAGATE;
}
/**
* gcal_month_view_motion_notify_event:
* @widget:
* @event:
*
* Update self->end_cell_mark in order to update the drawing
* belonging to the days involved in the event creation
*
* Returns:
**/
static gboolean
gcal_month_view_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event)
{
GcalMonthView *self;
gint days;
gint new_end_cell, new_hovered_cell;
gboolean hovered_indicator = FALSE;
self = GCAL_MONTH_VIEW (widget);
days = self->days_delay + icaltime_days_in_month (self->date->month, self->date->year);
new_end_cell = gather_button_event_data (GCAL_MONTH_VIEW (widget), event->x, event->y, &hovered_indicator, NULL, NULL);
if (self->start_mark_cell)
{
if (!(event->state & GDK_BUTTON_PRESS_MASK))
return TRUE;
if (new_end_cell >= self->days_delay && new_end_cell < days)
{
gint previous_end_cell;
previous_end_cell = new_end_cell;
/* Let the keyboard focus track the pointer */
self->keyboard_cell = new_end_cell;
/*
* When there is a previously set end mark, it should be
* cleared before assigning a new one.
*/
if (self->end_mark_cell)
{
previous_end_cell = g_date_time_get_day_of_month (self->end_mark_cell) - 1;
g_clear_pointer (&self->end_mark_cell, g_date_time_unref);
}
if (self->start_mark_cell &&
self->end_mark_cell &&
!g_date_time_equal (self->start_mark_cell, self->end_mark_cell))
{
self->hovered_overflow_indicator = -1;
}
if (previous_end_cell != new_end_cell)
gtk_widget_queue_draw (widget);
self->end_mark_cell = g_date_time_new_local (self->date->year,
self->date->month,
new_end_cell - self->days_delay + 1,
0, 0, 0);
return TRUE;
}
}
else
{
if (gtk_widget_is_visible (self->overflow_popover))
return FALSE;
if (hovered_indicator)
new_hovered_cell = new_end_cell;
else
new_hovered_cell = -1;
if (self->hovered_overflow_indicator != new_hovered_cell)
{
self->hovered_overflow_indicator = new_hovered_cell;
gtk_widget_queue_draw (widget);
return TRUE;
}
}
return FALSE;
}
static gboolean
gcal_month_view_button_release (GtkWidget *widget,
GdkEventButton *event)
{
GcalMonthView *self;
gdouble x, y;
gint days, current_day;
gboolean released_indicator = FALSE;
self = GCAL_MONTH_VIEW (widget);
days = self->days_delay + icaltime_days_in_month (self->date->month, self->date->year);
current_day = gather_button_event_data (GCAL_MONTH_VIEW (widget), event->x, event->y, &released_indicator, &x, &y);
current_day = real_cell (current_day, self->k);
if (current_day >= self->days_delay && current_day < days)
{
gboolean valid;
g_clear_pointer (&self->end_mark_cell, g_date_time_unref);
self->keyboard_cell = current_day;
self->end_mark_cell = g_date_time_new_local (self->date->year, self->date->month, current_day - self->days_delay + 1, 0, 0, 0);
self->date->day = g_date_time_get_day_of_month (self->end_mark_cell);
/* First, make sure to show the popover */
valid = show_popover_for_position (GCAL_MONTH_VIEW (widget), x, y, released_indicator);
/* Then update the active date */
g_object_notify (G_OBJECT (self), "active-date");
return valid;
}
else
{
/* If the button is released over an invalid cell, entirely cancel the selection */
cancel_selection (GCAL_MONTH_VIEW (widget));
gtk_widget_queue_draw (widget);
return FALSE;
}
}
static void
gcal_month_view_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction)
{
GcalMonthView *self = GCAL_MONTH_VIEW (widget);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
self->k = 0;
else if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
self->k = 1;
}
static void
gcal_month_view_class_init (GcalMonthViewClass *klass)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gcal_month_view_set_property;
object_class->get_property = gcal_month_view_get_property;
object_class->finalize = gcal_month_view_finalize;
widget_class = GTK_WIDGET_CLASS (klass);
widget_class->realize = gcal_month_view_realize;
widget_class->unrealize = gcal_month_view_unrealize;
widget_class->map = gcal_month_view_map;
widget_class->unmap = gcal_month_view_unmap;
widget_class->size_allocate = gcal_month_view_size_allocate;
widget_class->draw = gcal_month_view_draw;
widget_class->button_press_event = gcal_month_view_button_press;
widget_class->motion_notify_event = gcal_month_view_motion_notify_event;
widget_class->button_release_event = gcal_month_view_button_release;
widget_class->direction_changed = gcal_month_view_direction_changed;
widget_class->key_press_event = gcal_month_view_key_press;
widget_class->drag_motion = gcal_month_view_drag_motion;
widget_class->drag_drop = gcal_month_view_drag_drop;
widget_class->drag_leave = gcal_month_view_drag_leave;
widget_class->scroll_event = gcal_month_view_scroll_event;
container_class = GTK_CONTAINER_CLASS (klass);
container_class->add = gcal_month_view_add;
container_class->remove = gcal_month_view_remove;
container_class->forall = gcal_month_view_forall;
g_object_class_override_property (object_class, PROP_DATE, "active-date");
g_object_class_override_property (object_class, PROP_MANAGER, "manager");
signals[EVENT_ACTIVATED] = g_signal_new ("event-activated",
GCAL_TYPE_MONTH_VIEW,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE,
1,
GCAL_TYPE_EVENT_WIDGET);
gtk_widget_class_set_css_name (widget_class, "calendar-view");
}
static void
gcal_month_view_init (GcalMonthView *self)
{
GtkWidget *grid;
GtkWidget *button;
gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
cancel_selection (self);
self->dnd_cell = -1;
self->pressed_overflow_indicator = -1;
self->hovered_overflow_indicator = -1;
self->children = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_list_free);
self->single_cell_children = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, (GDestroyNotify) g_list_free);
self->overflow_cells = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, (GDestroyNotify) g_list_free);
self->hidden_as_overflow = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
self->k = gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL;
self->overflow_popover = gtk_popover_new (GTK_WIDGET (self));
gtk_style_context_add_class (gtk_widget_get_style_context (self->overflow_popover), "events");
g_signal_connect_swapped (self->overflow_popover, "hide", G_CALLBACK (overflow_popover_hide), self);
g_signal_connect_swapped (self->overflow_popover,
"drag-motion",
G_CALLBACK (cancel_dnd_from_overflow_popover),
self->overflow_popover);
grid = gtk_grid_new ();
g_object_set (grid, "row-spacing", 6, "orientation", GTK_ORIENTATION_VERTICAL, NULL);
gtk_container_add (GTK_CONTAINER (self->overflow_popover), grid);
self->popover_title = gtk_label_new (NULL);
gtk_style_context_add_class (gtk_widget_get_style_context (self->popover_title), "sidebar-header");
g_object_set (self->popover_title, "margin", 6, "halign", GTK_ALIGN_START, NULL);
self->events_list_box = gtk_list_box_new ();
gtk_list_box_set_selection_mode (GTK_LIST_BOX (self->events_list_box), GTK_SELECTION_NONE);
gtk_list_box_set_header_func (GTK_LIST_BOX (self->events_list_box), update_list_box_headers, self, NULL);
button = gtk_button_new_with_label (_("Add Event…"));
g_object_set (button, "hexpand", TRUE, NULL);
g_signal_connect (button, "clicked", G_CALLBACK (add_new_event_button_cb), self);
gtk_container_add (GTK_CONTAINER (grid), self->popover_title);
gtk_container_add (GTK_CONTAINER (grid), self->events_list_box);
gtk_container_add (GTK_CONTAINER (grid), button);
/* Setup the month view as a drag n' drop destination */
gtk_drag_dest_set (GTK_WIDGET (self),
0,
NULL,
0,
GDK_ACTION_MOVE);
/*
* Also set the overflow popover as a drop destination, so we can hide
* it when the user starts dragging an event that is inside the overflow
* list.
*/
gtk_drag_dest_set (GTK_WIDGET (self->overflow_popover),
0,
NULL,
0,
GDK_ACTION_MOVE);
}
/* Public API */
/**
* gcal_month_view_set_first_weekday:
* @view: A #GcalMonthView instance
* @day_nr: Integer representing the first day of the week
*
* Set the first day of the week according to the locale, being
* 0 for Sunday, 1 for Monday and so on.
**/
void
gcal_month_view_set_first_weekday (GcalMonthView *self,
gint day_nr)
{
g_return_if_fail (GCAL_IS_MONTH_VIEW (self));
self->first_weekday = day_nr;
/* update days_delay */
if (self->date)
self->days_delay = (time_day_of_week (1, self->date->month - 1, self->date->year) - self->first_weekday + 7) % 7;
}
/**
* gcal_month_view_set_use_24h_format:
* @view:
* @use_24h:
*
* Whether the view will show time using 24h or 12h format
**/
void
gcal_month_view_set_use_24h_format (GcalMonthView *self,
gboolean use_24h)
{
self->use_24h_format = use_24h;
}
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