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federated-calendar/src/gcal-year-view.c
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/* -*- mode: c; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* gcal-year-view.c
*
* Copyright (C) 2015 Erick Pérez Castellanos <erick.red@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gcal-year-view.h"
#include "gcal-view.h"
#include "gcal-utils.h"
#include <glib/gi18n.h>
#include <math.h>
#include <string.h>
#define NAVIGATOR_CELL_WIDTH (210 + 15)
#define NAVIGATOR_CELL_HEIGHT 210
#define SIDEBAR_PREFERRED_WIDTH 200
typedef struct
{
/* month span from 0 to 11 */
gint start_day, start_month;
gint end_day, end_month;
} ButtonData;
typedef struct
{
gdouble box_side;
GdkPoint coordinates [12];
} GridData;
struct _GcalYearView
{
GtkBox parent;
/* composite, GtkBuilder's widgets */
GtkWidget *navigator;
GtkWidget *sidebar;
GtkWidget *events_sidebar;
GtkWidget *navigator_stack;
GtkWidget *no_events_title;
GtkWidget *navigator_sidebar;
GtkWidget *popover; /* Popover for popover_mode */
/* manager singleton */
GcalManager *manager;
/* range shown on the sidebar */
icaltimetype *start_selected_date;
icaltimetype *end_selected_date;
/* geometry info */
GridData *navigator_grid;
/* state flags */
gboolean popover_mode;
gboolean button_pressed;
ButtonData *selected_data;
/**
* first day of the week according to user locale, being
* 0 for Sunday, 1 for Monday and so on */
gint first_weekday;
/* first and last weeks of the year */
guint first_week_of_year;
guint last_week_of_year;
/**
* clock format from GNOME desktop settings
*/
gboolean use_24h_format;
/* text direction factors */
gint k;
/* weak ref to current date */
icaltimetype *current_date;
/* date property */
icaltimetype *date;
};
enum {
PROP_0,
PROP_DATE,
LAST_PROP
};
enum
{
EVENT_ACTIVATED,
NUM_SIGNALS
};
static guint signals[NUM_SIGNALS] = { 0, };
static void reset_sidebar (GcalYearView *year_view);
static void gcal_view_interface_init (GcalViewIface *iface);
static void gcal_data_model_subscriber_interface_init (ECalDataModelSubscriberInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GcalYearView, gcal_year_view, GTK_TYPE_BOX,
G_IMPLEMENT_INTERFACE (GCAL_TYPE_VIEW, gcal_view_interface_init)
G_IMPLEMENT_INTERFACE (E_TYPE_CAL_DATA_MODEL_SUBSCRIBER,
gcal_data_model_subscriber_interface_init));
static void
update_date (GcalYearView *year_view,
icaltimetype *new_date)
{
if (year_view->date != NULL && year_view->date->year != new_date->year && year_view->start_selected_date->day != 0)
reset_sidebar (year_view);
g_clear_pointer (&year_view->date, g_free);
year_view->date = new_date;
}
static void
event_activated (GcalEventWidget *widget,
gpointer user_data)
{
GcalYearView *view = GCAL_YEAR_VIEW (user_data);
if (view->popover_mode)
gtk_widget_hide (view->popover);
g_signal_emit (GCAL_YEAR_VIEW (user_data), signals[EVENT_ACTIVATED], 0, widget);
}
static void
order_selected_data (ButtonData *selected_data)
{
gint swap;
if (selected_data->end_month < selected_data->start_month)
{
swap = selected_data->start_month;
selected_data->start_month = selected_data->end_month;
selected_data->end_month = swap;
swap = selected_data->start_day;
selected_data->start_day = selected_data->end_day;
selected_data->end_day = swap;
}
else if (selected_data->start_month == selected_data->end_month && selected_data->end_day < selected_data->start_day)
{
swap = selected_data->start_day;
selected_data->start_day = selected_data->end_day;
selected_data->end_day = swap;
}
}
static void
update_selected_dates_from_button_data (GcalYearView *year_view)
{
if (year_view->selected_data->start_day != 0)
{
ButtonData selected_data = *(year_view->selected_data);
order_selected_data (&selected_data);
year_view->start_selected_date->day = selected_data.start_day;
year_view->start_selected_date->month = selected_data.start_month + 1;
year_view->start_selected_date->year = year_view->date->year;
year_view->end_selected_date->day = selected_data.end_day;
year_view->end_selected_date->month = selected_data.end_month + 1;
year_view->end_selected_date->year = year_view->date->year;
year_view->end_selected_date->hour = 23;
year_view->end_selected_date->minute = 59;
*(year_view->end_selected_date) = icaltime_normalize (*(year_view->end_selected_date));
}
else
{
*(year_view->start_selected_date) = *(year_view->current_date);
year_view->start_selected_date->hour = 0;
year_view->start_selected_date->minute = 0;
*(year_view->end_selected_date) = *(year_view->current_date);
year_view->end_selected_date->hour = 23;
year_view->end_selected_date->minute = 59;
*(year_view->end_selected_date) = icaltime_normalize (*(year_view->end_selected_date));
}
if (year_view->end_selected_date->year != year_view->start_selected_date->year)
{
year_view->end_selected_date->day = 31;
year_view->end_selected_date->month = 12;
year_view->end_selected_date->year = year_view->start_selected_date->year;
}
}
static void
update_no_events_page (GcalYearView *year_view)
{
gchar *title;
gboolean has_range;
has_range = (year_view->start_selected_date->day != year_view->end_selected_date->day ||
year_view->start_selected_date->month != year_view->end_selected_date->month);
if (icaltime_compare_date (year_view->current_date, year_view->start_selected_date) == 0)
{
title = g_strdup_printf ("%s%s", _("Today"), has_range ? "…" : "");
}
else
{
title = g_strdup_printf ("%s %d%s",
gcal_get_month_name (year_view->start_selected_date->month - 1),
year_view->start_selected_date->day,
has_range ? "…" : "");
}
gtk_label_set_text (GTK_LABEL (year_view->no_events_title), title);
g_free (title);
}
static void
add_event_to_day_array (GcalYearView *year_view,
GcalEventData *event_data,
GList **days_widgets_array,
gint days_span)
{
GtkWidget *child_widget;
const icaltimetype *dt_start, *dt_end;
icaltimetype date, second_date;
gint i;
gboolean child_widget_used = FALSE;
child_widget = gcal_event_widget_new_from_data (event_data);
gcal_event_widget_set_read_only (GCAL_EVENT_WIDGET (child_widget),
!gcal_manager_is_client_writable (year_view->manager, event_data->source));
dt_start = gcal_event_widget_peek_start_date (GCAL_EVENT_WIDGET (child_widget));
dt_end = gcal_event_widget_peek_end_date (GCAL_EVENT_WIDGET (child_widget));
/* normalize date on each new event */
date = *(year_view->start_selected_date);
second_date = *(year_view->start_selected_date);
second_date.hour = 23;
second_date.minute = 59;
/* marking and cloning */
for (i = 0; i < days_span; i++)
{
GtkWidget *cloned_child = child_widget;
gint start_comparison, end_comparison;
if (i != 0)
{
icaltime_adjust (&date, 1, 0, 0, 0);
icaltime_adjust (&second_date, 1, 0, 0, 0);
}
start_comparison = icaltime_compare_date (dt_start, &date);
if (start_comparison <= 0)
{
if (child_widget_used)
cloned_child = gcal_event_widget_clone (GCAL_EVENT_WIDGET (child_widget));
else
child_widget_used = TRUE;
}
else
{
cloned_child = NULL;
}
if (cloned_child != NULL)
{
days_widgets_array[i] = g_list_insert_sorted (days_widgets_array[i],
cloned_child,
(GCompareFunc) gcal_event_widget_compare_for_single_day);
end_comparison = icaltime_compare_date (&second_date, dt_end);
/* XXX: hack ensuring allday events with end_date a day after */
if (end_comparison == -1 && second_date.year == dt_end->year && dt_end->is_date == 1)
end_comparison = 0;
if (start_comparison < 0 && end_comparison < 0)
gtk_style_context_add_class (gtk_widget_get_style_context (cloned_child), "slanted");
else if (start_comparison < 0)
gtk_style_context_add_class (gtk_widget_get_style_context (cloned_child), "slanted-start");
else if (end_comparison < 0)
gtk_style_context_add_class (gtk_widget_get_style_context (cloned_child), "slanted-end");
if (end_comparison == 0)
break;
}
}
}
static void
update_sidebar (GcalYearView *year_view)
{
GtkWidget *child_widget;
GList *events, *l;
GList **days_widgets_array;
gint i, days_span;
update_selected_dates_from_button_data (year_view);
gtk_container_foreach (GTK_CONTAINER (year_view->events_sidebar), (GtkCallback) gtk_widget_destroy, NULL);
days_span = icaltime_day_of_year(*(year_view->end_selected_date)) - icaltime_day_of_year(*(year_view->start_selected_date)) + 1;
days_widgets_array = g_new0 (GList*, days_span);
events = gcal_manager_get_events (year_view->manager, year_view->start_selected_date, year_view->end_selected_date);
if (events == NULL)
{
days_span = 0;
update_no_events_page (year_view);
gtk_stack_set_visible_child_name (GTK_STACK (year_view->navigator_stack), "no-events");
}
else
{
gtk_stack_set_visible_child_name (GTK_STACK (year_view->navigator_stack), "events-list");
}
for (l = events; l != NULL; l = g_list_next (l))
add_event_to_day_array (year_view, l->data, days_widgets_array, days_span);
for (i = 0; i < days_span; i++)
{
GList *current_day = days_widgets_array[i];
for (l = current_day; l != NULL; l = g_list_next (l))
{
child_widget = l->data;
gtk_widget_show (child_widget);
g_signal_connect (child_widget, "activate", G_CALLBACK (event_activated), year_view);
g_object_set_data (G_OBJECT (child_widget), "shift", GINT_TO_POINTER (i));
gtk_container_add (GTK_CONTAINER (year_view->events_sidebar), child_widget);
}
g_list_free (current_day);
}
g_free (days_widgets_array);
g_list_free_full (events, g_free);
}
static void
reset_sidebar (GcalYearView *year_view)
{
memset (year_view->selected_data, 0, sizeof (ButtonData));
gtk_widget_queue_draw (GTK_WIDGET (year_view));
update_sidebar (year_view);
}
static void
update_sidebar_headers (GtkListBoxRow *row,
GtkListBoxRow *before,
gpointer user_data)
{
GcalYearView *year_view;
GtkWidget *row_child, *before_child = NULL, *row_header = NULL;
const icaltimetype *row_date, *before_date = NULL;
icaltimetype date;
gint row_shift, before_shift =-1;
year_view = GCAL_YEAR_VIEW (user_data);
row_child = gtk_bin_get_child (GTK_BIN (row));
if (row_child == NULL)
return;
row_date = gcal_event_widget_peek_start_date (GCAL_EVENT_WIDGET (row_child));
row_shift = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (row_child), "shift"));
if (before != NULL)
{
before_child = gtk_bin_get_child (GTK_BIN (before));
before_date = gcal_event_widget_peek_start_date (GCAL_EVENT_WIDGET (before_child));
before_shift = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (before_child), "shift"));
}
if (before_shift == -1 || before_shift != row_shift)
{
GtkWidget *label;
gchar *label_str;
row_header = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
date = *(year_view->start_selected_date);
icaltime_adjust (&date, row_shift, 0, 0, 0);
if (icaltime_compare_date (&date, year_view->current_date) == 0)
label_str = g_strdup (_("Today"));
else
label_str = g_strdup_printf ("%s %d", gcal_get_month_name (date.month - 1), date.day);
label = gtk_label_new (label_str);
gtk_style_context_add_class (gtk_widget_get_style_context (label), "sidebar-header");
g_object_set (label, "margin", 6, "halign", GTK_ALIGN_START, NULL);
g_free (label_str);
gtk_container_add (GTK_CONTAINER (row_header), label);
}
if (!gcal_event_widget_is_multiday (GCAL_EVENT_WIDGET (row_child)) &&
!gcal_event_widget_get_all_day (GCAL_EVENT_WIDGET (row_child)) &&
(before_date == NULL || before_date->hour != row_date->hour))
{
gchar *time;
GtkWidget *label;
if (year_view->use_24h_format)
time = g_strdup_printf ("%.2d:00", row_date->hour);
else
time = g_strdup_printf ("%.2d:00 %s", row_date->hour % 12, row_date->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", 6, "halign", GTK_ALIGN_START, NULL);
if (row_header == NULL)
row_header = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (row_header), label);
gtk_container_add (GTK_CONTAINER (row_header), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
g_free (time);
}
if (row_header != NULL)
gtk_widget_show_all (row_header);
gtk_list_box_row_set_header (row, row_header);
}
static gint
sidebar_sort_func (GtkListBoxRow *row1,
GtkListBoxRow *row2,
gpointer user_data)
{
GtkWidget *row1_child, *row2_child;
gint result, row1_shift, row2_shift;
row1_child = gtk_bin_get_child (GTK_BIN (row1));
row2_child = gtk_bin_get_child (GTK_BIN (row2));
row1_shift = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (row1_child), "shift"));
row2_shift = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (row2_child), "shift"));
result = row1_shift - row2_shift;
if (result == 0)
return gcal_event_widget_compare_for_single_day (GCAL_EVENT_WIDGET (row1_child), GCAL_EVENT_WIDGET (row2_child));
return result;
}
static gboolean
calculate_day_month_for_coord (GcalYearView *year_view,
gdouble x,
gdouble y,
gint *out_day,
gint *out_month)
{
gint row, column, i, sw, clicked_cell, day, month;
gdouble box_side;
row = -1;
column = -1;
box_side = year_view->navigator_grid->box_side;
sw = 1 - 2 * year_view->k;
/* y selection */
for (i = 0; i < 4 && ((row == -1) || (column == -1)); i++)
{
if (row == -1 &&
y > year_view->navigator_grid->coordinates[i * 4].y + box_side &&
y < year_view->navigator_grid->coordinates[i * 4].y + box_side * 7)
{
row = i;
}
if (column == -1 &&
x > year_view->navigator_grid->coordinates[i].x + box_side * 0.5 &&
x < year_view->navigator_grid->coordinates[i].x + box_side * 7.5)
{
column = i;
}
}
if (row == -1 || column == -1)
return FALSE;
month = row * 4 + column;
row = (y - (year_view->navigator_grid->coordinates[month].y + box_side)) / box_side;
column = (x - (year_view->navigator_grid->coordinates[month].x + box_side * 0.5)) / box_side;
clicked_cell = row * 7 + column;
day = 7 * ((clicked_cell + 7 * year_view->k) / 7) + sw * (clicked_cell % 7) + (1 - year_view->k);
day -= ((time_day_of_week (1, month, year_view->date->year) - year_view->first_weekday + 7) % 7);
if (day < 1 || day > time_days_in_month (year_view->date->year, month))
return FALSE;
*out_day = day;
*out_month = month;
return TRUE;
}
static void
draw_month_grid (GcalYearView *year_view,
GtkWidget *widget,
cairo_t *cr,
gint month_nr,
gint *weeks_counter)
{
GtkStyleContext *context;
GtkStateFlags state_flags;
PangoLayout *layout, *slayout;
PangoFontDescription *font_desc, *sfont_desc;
GdkRGBA color;
gint layout_width, layout_height, i, j, sw;
gint column, row;
gdouble x, y, box_side, box_padding_top, box_padding_start;
gint days_delay, days, shown_rows, sunday_idx;
gchar *str, *nr_day, *nr_week;
gboolean selected_day;
cairo_save (cr);
context = gtk_widget_get_style_context (widget);
state_flags = gtk_style_context_get_state (context);
sw = 1 - 2 * year_view->k;
box_side = year_view->navigator_grid->box_side;
x = year_view->navigator_grid->coordinates[month_nr].x;
y = year_view->navigator_grid->coordinates[month_nr].y;
/* Get the font description */
gtk_style_context_save (context);
gtk_style_context_set_state (context, state_flags | GTK_STATE_FLAG_SELECTED);
gtk_style_context_get (context, state_flags | GTK_STATE_FLAG_SELECTED, "font", &sfont_desc, NULL);
gtk_style_context_restore (context);
slayout = gtk_widget_create_pango_layout (widget, NULL);
pango_layout_set_font_description (slayout, sfont_desc);
/* header */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "header");
str = g_strdup (gcal_get_month_name (month_nr));
gtk_style_context_get (context, state_flags, "font", &font_desc, NULL);
layout = gtk_widget_create_pango_layout (widget, str);
pango_layout_set_font_description (layout, font_desc);
pango_layout_get_pixel_size (layout, &layout_width, &layout_height);
gtk_render_layout (context, cr, x + (box_side * 8 - layout_width) / 2.0, y + (box_side - layout_height) / 2.0,
layout);
gtk_render_background (context, cr,
x + (box_side * 8 - layout_width) / 2.0, y + (box_side - layout_height) / 2.0,
layout_width, layout_width);
pango_font_description_free (font_desc);
g_free (str);
gtk_style_context_restore (context);
/* separator line */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "lines");
gtk_style_context_get_color (context, state_flags, &color);
cairo_set_line_width (cr, 0.2);
gdk_cairo_set_source_rgba (cr, &color);
cairo_move_to (cr, x + box_side / 2, y + box_side + 0.4);
cairo_rel_line_to (cr, 7.0 * box_side, 0);
cairo_stroke (cr);
gtk_style_context_restore (context);
/* days */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "days");
gtk_style_context_get (context, state_flags, "font", &font_desc, NULL);
pango_layout_set_font_description (layout, font_desc);
days_delay = (time_day_of_week (1, month_nr, year_view->date->year) - year_view->first_weekday + 7) % 7;
days = days_delay + icaltime_days_in_month (month_nr + 1, year_view->date->year);
shown_rows = ceil (days / 7.0);
sunday_idx = year_view->k * 6 + sw * ((7 - year_view->first_weekday) % 7);
for (i = 0; i < 7 * shown_rows; i++)
{
column = i % 7;
row = i / 7;
j = 7 * ((i + 7 * year_view->k) / 7) + sw * (i % 7) + (1 - year_view->k);
if (j <= days_delay)
continue;
else if (j > days)
continue;
j -= days_delay;
nr_day = g_strdup_printf ("%d", j);
pango_layout_set_text (layout, nr_day, -1);
pango_layout_get_pixel_size (layout, &layout_width, &layout_height);
box_padding_top = (box_side - layout_height) / 2 > 0 ? (box_side - layout_height) / 2 : 0;
box_padding_start = (box_side - layout_width) / 2 > 0 ? (box_side - layout_width) / 2 : 0;
selected_day = FALSE;
if (year_view->selected_data->start_day != 0)
{
ButtonData selected_data = *(year_view->selected_data);
order_selected_data (&selected_data);
if (month_nr > selected_data.start_month && month_nr < selected_data.end_month)
{
selected_day = TRUE;
}
else if (month_nr == selected_data.start_month && month_nr == selected_data.end_month)
{
selected_day = j >= selected_data.start_day && j <= selected_data.end_day;
}
else if (month_nr == selected_data.start_month && j >= selected_data.start_day)
{
selected_day = TRUE;
}
else if (month_nr == selected_data.end_month && j <= selected_data.end_day)
{
selected_day = TRUE;
}
}
if (year_view->date->year == year_view->current_date->year && month_nr + 1 == year_view->current_date->month &&
j == year_view->current_date->day)
{
PangoLayout *clayout;
PangoFontDescription *cfont_desc;
gtk_style_context_save (context);
gtk_style_context_add_class (context, "current");
clayout = gtk_widget_create_pango_layout (widget, nr_day);
gtk_style_context_get (context, state_flags, "font", &cfont_desc, NULL);
pango_layout_set_font_description (clayout, cfont_desc);
pango_layout_get_pixel_size (clayout, &layout_width, &layout_height);
box_padding_top = (box_side - layout_height) / 2 > 0 ? (box_side - layout_height) / 2 : 0;
box_padding_start = (box_side - layout_width) / 2 > 0 ? (box_side - layout_width) / 2 : 0;
/* FIXME: hardcoded padding of the number background */
gtk_render_background (context, cr,
box_side * (column + 0.5 + year_view->k) + x + sw * box_padding_start - year_view->k * layout_width - 2.0,
box_side * (row + 1) + y + box_padding_top - 1.0,
layout_width + 4.0, layout_height + 2.0);
gtk_render_layout (context, cr,
box_side * (column + 0.5 + year_view->k) + x + sw * box_padding_start - year_view->k * layout_width,
box_side * (row + 1) + y + box_padding_top,
clayout);
gtk_style_context_restore (context);
pango_font_description_free (cfont_desc);
g_object_unref (clayout);
}
else if (selected_day)
{
gtk_style_context_set_state (context, state_flags | GTK_STATE_FLAG_SELECTED);
pango_layout_set_text (slayout, nr_day, -1);
pango_layout_get_pixel_size (slayout, &layout_width, &layout_height);
box_padding_top = (box_side - layout_height) / 2 > 0 ? (box_side - layout_height) / 2 : 0;
box_padding_start = (box_side - layout_width) / 2 > 0 ? (box_side - layout_width) / 2 : 0;
gtk_render_layout (context, cr,
box_side * (column + 0.5 + year_view->k) + x + sw * box_padding_start - year_view->k * layout_width,
box_side * (row + 1) + y + box_padding_top,
slayout);
gtk_style_context_set_state (context, state_flags);
}
else if (column == sunday_idx)
{
gtk_style_context_save (context);
gtk_style_context_add_class (context, "sunday");
gtk_render_layout (context, cr,
box_side * (column + 0.5 + year_view->k) + x + sw * box_padding_start - year_view->k * layout_width,
box_side * (row + 1) + y + box_padding_top,
layout);
gtk_style_context_restore (context);
}
else
{
gtk_render_layout (context, cr,
box_side * (column + 0.5 + year_view->k) + x + sw * box_padding_start - year_view->k * layout_width,
box_side * (row + 1) + y + box_padding_top,
layout);
}
g_free (nr_day);
}
pango_font_description_free (font_desc);
gtk_style_context_restore (context);
/* week numbers */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "week-numbers");
gtk_style_context_get (context, state_flags, "font", &font_desc, NULL);
pango_layout_set_font_description (layout, font_desc);
for (i = 0; i < shown_rows; i++)
{
/* special condition for first and last weeks of the year */
if (month_nr == 0 && year_view->first_week_of_year > 1 && i == 1)
*weeks_counter = 1;
else if (month_nr == 11 && (i + 1) == shown_rows)
*weeks_counter = year_view->last_week_of_year;
/* other weeks */
else if (i == 0)
{
if (days_delay == 0 && month_nr != 0)
*weeks_counter = *weeks_counter + 1;
}
else
*weeks_counter = *weeks_counter + 1;
nr_week = g_strdup_printf ("%d", *weeks_counter);
pango_layout_set_text (layout, nr_week, -1);
pango_layout_get_pixel_size (layout, &layout_width, &layout_height);
box_padding_top = (box_side - layout_height) / 2 > 0 ? (box_side - layout_height) / 2 : 0;
box_padding_start = ((box_side / 2) - layout_width) / 2 > 0 ? ((box_side / 2) - layout_width) / 2 : 0;
gtk_render_layout (context, cr,
x + sw * box_padding_start + year_view->k * (8 * box_side - layout_width),
box_side * (i + 1) + y + box_padding_top,
layout);
g_free (nr_week);
}
gtk_style_context_restore (context);
pango_font_description_free (sfont_desc);
g_object_unref (slayout);
pango_font_description_free (font_desc);
g_object_unref (layout);
cairo_restore (cr);
}
static gboolean
draw_navigator (GcalYearView *year_view,
cairo_t *cr,
GtkWidget *widget)
{
GtkStyleContext *context;
GtkStateFlags state_flags;
gint header_padding_left, header_padding_top, header_height, layout_width, layout_height;
gint real_padding_left, real_padding_top, i, sw, weeks_counter;
gdouble width, height, box_side;
GDate day_of_year;
gchar *header_str;
PangoLayout *header_layout;
PangoFontDescription *font_desc;
context = gtk_widget_get_style_context (GTK_WIDGET (year_view));
state_flags = gtk_style_context_get_state (context);
sw = 1 - 2 * year_view->k;
width = gtk_widget_get_allocated_width (widget);
/* read header from CSS code related to the view */
gtk_style_context_save (context);
gtk_style_context_add_class (context, "first-view-header");
header_str = g_strdup_printf ("%d", year_view->date->year);
gtk_style_context_get (context, state_flags,
"padding-left", &header_padding_left, "padding-top", &header_padding_top,
"font", &font_desc, NULL);
gtk_style_context_restore (context);
/* draw header on navigator */
context = gtk_widget_get_style_context (widget);
state_flags = gtk_style_context_get_state (context);
header_layout = gtk_widget_create_pango_layout (widget, header_str);
pango_layout_set_font_description (header_layout, font_desc);
pango_layout_get_pixel_size (header_layout, &layout_width, &layout_height);
/* XXX: here the color of the text isn't read from year-view but from navigator widget,
* which has the same color on the CSS file */
gtk_render_layout (context, cr,
year_view->k * (width - layout_width) + sw * header_padding_left, header_padding_top, header_layout);
pango_font_description_free (font_desc);
g_object_unref (header_layout);
g_free (header_str);
header_height = header_padding_top * 2 + layout_height;
height = gtk_widget_get_allocated_height (widget) - header_height;
if (((width / 4.0) / 8.0) < ((height / 3.0) / 7.0))
box_side = (width / 4.0) / 8.0;
else
box_side = (height / 3.0) / 7.0;
real_padding_left = (width - (8 * 4 * box_side)) / 5.0;
real_padding_top = (height - (7 * 3 * box_side)) / 4.0;
year_view->navigator_grid->box_side = box_side;
/* get first and last weeks of the year */
g_date_set_dmy (&day_of_year, 1, G_DATE_JANUARY, year_view->date->year);
year_view->first_week_of_year = g_date_get_iso8601_week_of_year (&day_of_year);
g_date_set_dmy (&day_of_year, 31, G_DATE_DECEMBER, year_view->date->year);
year_view->last_week_of_year = g_date_get_iso8601_week_of_year (&day_of_year);
weeks_counter = year_view->first_week_of_year;
for (i = 0; i < 12; i++)
{
gint row = i / 4;
gint column = year_view->k * 3 + sw * (i % 4);
year_view->navigator_grid->coordinates[i].x = (column + 1) * real_padding_left + column * box_side * 8;
year_view->navigator_grid->coordinates[i].y = (row + 1) * real_padding_top + row * box_side * 7 + header_height;
draw_month_grid (year_view, widget, cr, i, &weeks_counter);
}
return FALSE;
}
static gboolean
navigator_button_press_cb (GcalYearView *year_view,
GdkEventButton *event,
GtkWidget *widget)
{
gint day, month;
if (!calculate_day_month_for_coord (year_view, event->x, event->y, &day, &month))
return FALSE;
year_view->button_pressed = TRUE;
year_view->selected_data->start_day = day;
year_view->selected_data->start_month = month;
return TRUE;
}
static gboolean
navigator_button_release_cb (GcalYearView *year_view,
GdkEventButton *event,
GtkWidget *widget)
{
gint day, month;
if (!year_view->button_pressed)
return FALSE;
if (!calculate_day_month_for_coord (year_view, event->x, event->y, &day, &month))
goto fail;
year_view->button_pressed = FALSE;
year_view->selected_data->end_day = day;
year_view->selected_data->end_month = month;
/* update date and notify */
year_view->date->day = day;
year_view->date->month = month + 1;
g_object_notify (G_OBJECT (year_view), "active-date");
gtk_widget_queue_draw (widget);
if (year_view->popover_mode)
{
GdkRectangle rect;
GtkWidget *box;
/* sizing */
box = gtk_bin_get_child (GTK_BIN (year_view->popover));
gtk_widget_set_size_request (box, 200, year_view->navigator_grid->box_side * 2 * 7);
/* FIXME: improve rect */
rect.x = event->x;
rect.y = event->y;
rect.width = rect.height = 1;
gtk_popover_set_pointing_to (GTK_POPOVER (year_view->popover), &rect);
/* FIXME: do no show over selected days */
gtk_popover_set_position (GTK_POPOVER (year_view->popover), GTK_POS_RIGHT);
gtk_widget_show (year_view->popover);
}
update_sidebar (year_view);
return TRUE;
fail:
year_view->button_pressed = FALSE;
reset_sidebar (year_view);
return TRUE;
}
static gboolean
navigator_motion_notify_cb (GcalYearView *year_view,
GdkEventMotion *event,
GtkWidget *widget)
{
gint day, month;
if (!year_view->button_pressed)
return FALSE;
if (!calculate_day_month_for_coord (year_view, event->x, event->y, &day, &month))
goto fail;
year_view->selected_data->end_day = day;
year_view->selected_data->end_month = month;
gtk_widget_queue_draw (widget);
return TRUE;
fail:
year_view->selected_data->end_day = year_view->selected_data->start_day;
year_view->selected_data->end_month = year_view->selected_data->start_month;
gtk_widget_queue_draw (widget);
return TRUE;
}
static void
add_event_clicked_cb (GcalYearView *year_view,
GtkButton *button)
{
icaltimetype *start_date, *end_date = NULL;
if (year_view->start_selected_date->day == 0)
{
start_date = gcal_dup_icaltime (year_view->current_date);
}
else
{
start_date = gcal_dup_icaltime (year_view->start_selected_date);
end_date = gcal_dup_icaltime (year_view->end_selected_date);
end_date->day += 1;
*end_date = icaltime_normalize (*end_date);
end_date->is_date = 1;
}
if (year_view->popover_mode)
gtk_widget_hide (year_view->popover);
start_date->is_date = 1;
g_signal_emit_by_name (GCAL_VIEW (year_view), "create-event-detailed", start_date, end_date);
g_free (start_date);
if (end_date != NULL)
g_free (end_date);
}
static void
popover_closed_cb (GcalYearView *year_view,
GtkPopover *popover)
{
reset_sidebar (year_view);
}
static void
gcal_year_view_finalize (GObject *object)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (object);
g_free (year_view->navigator_grid);
g_free (year_view->selected_data);
g_free (year_view->start_selected_date);
g_free (year_view->end_selected_date);
g_clear_pointer (&year_view->date, g_free);
G_OBJECT_CLASS (gcal_year_view_parent_class)->finalize (object);
}
static void
gcal_year_view_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GcalYearView *self = GCAL_YEAR_VIEW (object);
switch (prop_id)
{
case PROP_DATE:
g_value_set_boxed (value, self->date);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gcal_year_view_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
switch (prop_id)
{
case PROP_DATE:
update_date (GCAL_YEAR_VIEW (object), g_value_dup_boxed (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gcal_year_view_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (widget);
GtkStyleContext *context;
gint padding_left;
context = gtk_widget_get_style_context (year_view->navigator);
gtk_style_context_get (context,
gtk_style_context_get_state (context),
"padding-left", &padding_left, NULL);
if (minimum != NULL)
*minimum = NAVIGATOR_CELL_WIDTH * 4 + padding_left * 8;
if (natural != NULL)
*natural = NAVIGATOR_CELL_WIDTH * 4 + padding_left * 8 + SIDEBAR_PREFERRED_WIDTH;
}
static void
gcal_year_view_get_preferred_height_for_width (GtkWidget *widget,
gint width,
gint *minimum,
gint *natural)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (widget);
GtkStyleContext *context;
gint padding_top;
context = gtk_widget_get_style_context (year_view->navigator);
gtk_style_context_get (context,
gtk_style_context_get_state (context),
"padding-top", &padding_top, NULL);
if (minimum != NULL)
*minimum = NAVIGATOR_CELL_HEIGHT * 3 + padding_top * 6;
if (natural != NULL)
*natural = NAVIGATOR_CELL_HEIGHT * 3 + padding_top * 6;
}
static void
gcal_year_view_size_allocate (GtkWidget *widget,
GtkAllocation *alloc)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (widget);
GtkStyleContext *context;
gint padding_left;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "year-navigator");
gtk_style_context_get (context, gtk_style_context_get_state (context), "padding-left", &padding_left, NULL);
gtk_style_context_restore (context);
year_view->popover_mode = (alloc->width < NAVIGATOR_CELL_WIDTH * 4 + padding_left * 8 + SIDEBAR_PREFERRED_WIDTH);
if (year_view->popover_mode && !gtk_widget_is_ancestor (year_view->events_sidebar, year_view->popover))
{
g_object_ref (year_view->sidebar);
gtk_container_remove (GTK_CONTAINER (widget), year_view->sidebar);
gtk_container_add (GTK_CONTAINER (year_view->popover), year_view->sidebar);
g_object_unref (year_view->sidebar);
gtk_widget_show_all (year_view->sidebar);
popover_closed_cb (GCAL_YEAR_VIEW (widget), GTK_POPOVER (year_view->popover));
}
else if (!year_view->popover_mode && gtk_widget_is_ancestor (year_view->events_sidebar, year_view->popover))
{
g_object_ref (year_view->sidebar);
gtk_container_remove (GTK_CONTAINER (year_view->popover), year_view->sidebar);
gtk_box_pack_end (GTK_BOX (widget), year_view->sidebar, FALSE, TRUE, 0);
g_object_unref (year_view->sidebar);
gtk_widget_show (year_view->sidebar);
g_signal_handlers_block_by_func (year_view->popover, popover_closed_cb, widget);
gtk_widget_hide (year_view->popover);
g_signal_handlers_unblock_by_func (year_view->popover, popover_closed_cb, widget);
}
GTK_WIDGET_CLASS (gcal_year_view_parent_class)->size_allocate (widget, alloc);
}
static void
gcal_year_view_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (widget);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
year_view->k = 0;
else if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
year_view->k = 1;
}
static GList*
gcal_year_view_get_children_by_uuid (GcalView *view,
const gchar *uuid)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (view);
GList *children, *l, *result = NULL;
children = gtk_container_get_children (GTK_CONTAINER (year_view->events_sidebar));
for (l = children; l != NULL; l = g_list_next (l))
{
GcalEventWidget *child_widget = GCAL_EVENT_WIDGET (gtk_bin_get_child (GTK_BIN (l->data)));
if (child_widget != NULL && g_strcmp0 (uuid, gcal_event_widget_peek_uuid (child_widget)) == 0)
result = g_list_append (result, child_widget);
}
g_list_free (children);
return result;
}
static void
gcal_year_view_component_added (ECalDataModelSubscriber *subscriber,
ECalClient *client,
ECalComponent *comp)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (subscriber);
GcalEventData *data;
GList **days_widgets_array;
GList *l;
gint i, days_span;
ECalComponentDateTime date;
time_t event_start, event_end, range_start, range_end;
icaltimezone *zone;
update_selected_dates_from_button_data (year_view);
days_span = icaltime_day_of_year(*(year_view->end_selected_date)) - icaltime_day_of_year(*(year_view->start_selected_date)) + 1;
days_widgets_array = g_new0 (GList*, days_span);
data = g_new0 (GcalEventData, 1);
data->source = e_client_get_source (E_CLIENT (client));
data->event_component = e_cal_component_clone (comp);
/* check if event belongs to range */
zone = gcal_manager_get_system_timezone (year_view->manager);
range_start = icaltime_as_timet_with_zone (*(year_view->start_selected_date), zone);
range_end = icaltime_as_timet_with_zone (*(year_view->end_selected_date), zone);
e_cal_component_get_dtstart (comp, &date);
event_start = icaltime_as_timet_with_zone (*(date.value), date.value->zone != NULL ? date.value->zone : zone);
e_cal_component_free_datetime (&date);
e_cal_component_get_dtend (comp, &date);
if (date.value != NULL)
event_end = icaltime_as_timet_with_zone (*(date.value), date.value->zone != NULL ? date.value->zone : zone);
else
event_end = event_start;
e_cal_component_free_datetime (&date);
if (!((event_start <= range_start && event_end >= range_end) ||
(event_start >= range_start && event_end <= range_end) ||
(event_start >= range_start && event_start <= range_end) ||
(event_end >= range_start && event_end <= range_end)))
{
g_object_unref (data->event_component);
goto out;
}
add_event_to_day_array (year_view, data, days_widgets_array, days_span);
gtk_stack_set_visible_child_name (GTK_STACK (year_view->navigator_stack), "events-list");
for (i = 0; i < days_span; i++)
{
GList *current_day = days_widgets_array[i];
for (l = current_day; l != NULL; l = g_list_next (l))
{
GtkWidget *child_widget = l->data;
gtk_widget_show (child_widget);
g_signal_connect (child_widget, "activate", G_CALLBACK (event_activated), year_view);
g_object_set_data (G_OBJECT (child_widget), "shift", GINT_TO_POINTER (i));
gtk_container_add (GTK_CONTAINER (year_view->events_sidebar), child_widget);
}
g_list_free (current_day);
}
out:
g_free (data);
g_free (days_widgets_array);
}
static void
gcal_year_view_component_changed (ECalDataModelSubscriber *subscriber,
ECalClient *client,
ECalComponent *comp)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (subscriber);
GList *children, *l;
gchar *uuid;
uuid = get_uuid_from_component (e_client_get_source (E_CLIENT (client)), comp);
children = gtk_container_get_children (GTK_CONTAINER (year_view->events_sidebar));
for (l = children; l != NULL; l = g_list_next (l))
{
GcalEventWidget *child_widget = GCAL_EVENT_WIDGET (gtk_bin_get_child (GTK_BIN (l->data)));
if (child_widget != NULL && g_strcmp0 (uuid, gcal_event_widget_peek_uuid (child_widget)) == 0)
gtk_widget_destroy (GTK_WIDGET (l->data));
}
g_list_free (children);
g_free (uuid);
gcal_year_view_component_added (subscriber, client, comp);
}
static void
gcal_year_view_component_removed (ECalDataModelSubscriber *subscriber,
ECalClient *client,
const gchar *uid,
const gchar *rid)
{
GcalYearView *year_view = GCAL_YEAR_VIEW (subscriber);
GList *children, *l;
ESource *source;
gchar *uuid;
gboolean update_sidebar_needed = FALSE;
source = e_client_get_source (E_CLIENT (client));
if (rid != NULL)
uuid = g_strdup_printf ("%s:%s:%s", e_source_get_uid (source), uid, rid);
else
uuid = g_strdup_printf ("%s:%s", e_source_get_uid (source), uid);
children = gtk_container_get_children (GTK_CONTAINER (year_view->events_sidebar));
for (l = children; l != NULL; l = g_list_next (l))
{
GcalEventWidget *child_widget = GCAL_EVENT_WIDGET (gtk_bin_get_child (GTK_BIN (l->data)));
if (child_widget != NULL && g_strcmp0 (uuid, gcal_event_widget_peek_uuid (child_widget)) == 0)
{
if (g_list_length (children) == 1)
update_sidebar_needed = TRUE;
gtk_widget_destroy (GTK_WIDGET (l->data));
}
}
g_list_free (children);
g_free (uuid);
if (update_sidebar_needed)
{
update_no_events_page (GCAL_YEAR_VIEW (subscriber));
gtk_stack_set_visible_child_name (GTK_STACK (year_view->navigator_stack), "no-events");
}
}
static void
gcal_year_view_freeze (ECalDataModelSubscriber *subscriber)
{
;
}
static void
gcal_year_view_thaw (ECalDataModelSubscriber *subscriber)
{
}
static void
gcal_year_view_class_init (GcalYearViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->finalize = gcal_year_view_finalize;
object_class->get_property = gcal_year_view_get_property;
object_class->set_property = gcal_year_view_set_property;
widget_class->get_preferred_width = gcal_year_view_get_preferred_width;
widget_class->get_preferred_height_for_width = gcal_year_view_get_preferred_height_for_width;
widget_class->size_allocate = gcal_year_view_size_allocate;
widget_class->direction_changed = gcal_year_view_direction_changed;
g_object_class_override_property (object_class, PROP_DATE, "active-date");
/* FIXME: it will problably go back to GcalView */
signals[EVENT_ACTIVATED] = g_signal_new ("event-activated", GCAL_TYPE_YEAR_VIEW, G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 1, GCAL_TYPE_EVENT_WIDGET);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/calendar/year-view.ui");
gtk_widget_class_bind_template_child (widget_class, GcalYearView, navigator);
gtk_widget_class_bind_template_child (widget_class, GcalYearView, sidebar);
gtk_widget_class_bind_template_child (widget_class, GcalYearView, events_sidebar);
gtk_widget_class_bind_template_child (widget_class, GcalYearView, navigator_stack);
gtk_widget_class_bind_template_child (widget_class, GcalYearView, navigator_sidebar);
gtk_widget_class_bind_template_child (widget_class, GcalYearView, no_events_title);
gtk_widget_class_bind_template_child (widget_class, GcalYearView, popover);
gtk_widget_class_bind_template_callback (widget_class, draw_navigator);
gtk_widget_class_bind_template_callback (widget_class, navigator_button_press_cb);
gtk_widget_class_bind_template_callback (widget_class, navigator_button_release_cb);
gtk_widget_class_bind_template_callback (widget_class, navigator_motion_notify_cb);
gtk_widget_class_bind_template_callback (widget_class, add_event_clicked_cb);
gtk_widget_class_bind_template_callback (widget_class, popover_closed_cb);
gtk_widget_class_set_css_name (widget_class, "calendar-view");
}
static void
gcal_year_view_init (GcalYearView *self)
{
gtk_widget_init_template (GTK_WIDGET (self));
if (gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_LTR)
self->k = 0;
else if (gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL)
self->k = 1;
self->navigator_grid = g_new0 (GridData, 1);
self->selected_data = g_new0 (ButtonData, 1);
self->start_selected_date = g_new0 (icaltimetype, 1);
self->start_selected_date->zone = e_cal_util_get_system_timezone ();
self->end_selected_date = g_new0 (icaltimetype, 1);
self->end_selected_date->zone = e_cal_util_get_system_timezone ();
gtk_list_box_set_header_func (GTK_LIST_BOX (self->events_sidebar), update_sidebar_headers, self, NULL);
gtk_list_box_set_sort_func (GTK_LIST_BOX (self->events_sidebar), sidebar_sort_func, NULL, NULL);
}
static void
gcal_view_interface_init (GcalViewIface *iface)
{
/* FIXME: implement what's needed */
iface->get_children_by_uuid = gcal_year_view_get_children_by_uuid;
}
static void
gcal_data_model_subscriber_interface_init (ECalDataModelSubscriberInterface *iface)
{
iface->component_added = gcal_year_view_component_added;
iface->component_modified = gcal_year_view_component_changed;
iface->component_removed = gcal_year_view_component_removed;
iface->freeze = gcal_year_view_freeze;
iface->thaw = gcal_year_view_thaw;
}
/* Public API */
void
gcal_year_view_set_manager (GcalYearView *year_view,
GcalManager *manager)
{
year_view->manager = manager;
}
void
gcal_year_view_set_first_weekday (GcalYearView *year_view,
gint nr_day)
{
year_view->first_weekday = nr_day;
}
void
gcal_year_view_set_use_24h_format (GcalYearView *year_view,
gboolean use_24h_format)
{
year_view->use_24h_format = use_24h_format;
}
void
gcal_year_view_set_current_date (GcalYearView *year_view,
icaltimetype *current_date)
{
year_view->current_date = current_date;
/* Launches update */
gtk_widget_queue_draw (GTK_WIDGET (year_view));
update_sidebar (year_view);
}
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