/**
* time_week_begin_with_zone:
* @time: A time_t value.
* @week_start_day: Day to use as the starting of the week.
* @zone: Timezone to use.
*
* Returns the start of the week containing the given time_t, using the given
* timezone. week_start_day should use the same values as mktime(),
* i.e. 0 (Sun) to 6 (Sat).
* NOTE: this function is only here to make the transition to the timezone
* functions easier. New code should use icaltimetype values and
* icaltime_adjust() to add or subtract days, hours, minutes & seconds.
*
* Return value: the beginning of the week.
*/
time_t
time_week_begin_with_zone (time_t time, int week_start_day, icaltimezone *zone)
{
struct icaltimetype tt;
int weekday, offset;
/* Convert to an icaltimetype. */
tt = icaltime_from_timet_with_zone (time, FALSE, zone);
/* Get the weekday. */
weekday = time_day_of_week (tt.day, tt.month - 1, tt.year);
/* Calculate the current offset from the week start day. */
offset = (weekday + 7 - week_start_day) % 7;
/* Set it to the start of the month. */
tt.day -= offset;
tt.hour = 0;
tt.minute = 0;
tt.second = 0;
/* Normalize it, to fix any overflow. */
tt = icaltime_normalize (tt);
/* Convert back to a time_t. */
return icaltime_as_timet_with_zone (tt, zone);
}
static gboolean
calculate_day_month_for_coord (GcalYearView *year_view,
gdouble x,
gdouble y,
gint *out_day,
gint *out_month)
{
GcalYearViewPrivate *priv = year_view->priv;
gint row, column, i, sw, box_side, clicked_cell, day, month;
row = -1;
column = -1;
box_side = priv->navigator_grid->box_side;
sw = 1 - 2 * priv->k;
/* y selection */
for (i = 0; i < 4 && ((row == -1) || (column == -1)); i++)
{
if (row == -1 &&
y > priv->navigator_grid->coordinates[i * 4].y + box_side &&
y < priv->navigator_grid->coordinates[i * 4].y + box_side * 7)
{
row = i;
}
if (column == -1 &&
x > priv->navigator_grid->coordinates[i].x + box_side * 0.5 &&
x < priv->navigator_grid->coordinates[i].x + box_side * 7.5)
{
column = i;
}
}
if (row == -1 || column == -1)
return FALSE;
month = row * 4 + column;
row = (y - (priv->navigator_grid->coordinates[month].y + box_side)) / box_side;
column = (x - (priv->navigator_grid->coordinates[month].x + box_side * 0.5)) / box_side;
clicked_cell = row * 7 + column;
day = 7 * ((clicked_cell + 7 * priv->k) / 7) + sw * (clicked_cell % 7) + (1 - priv->k);
day -= ((time_day_of_week (1, month, priv->date->year) - priv->first_weekday + 7) % 7);
if (day < 1 || day > time_days_in_month (priv->date->year, month))
return FALSE;
*out_day = day;
*out_month = month;
return TRUE;
}
/**
* icaltimetype_to_tm:
* @itt: An icaltimetype structure.
*
* Convers an icaltimetype structure into a GLibc's struct tm.
*
* Return value: The converted time as a struct tm. All fields will be
* set properly except for tm.tm_yday.
*/
struct tm
icaltimetype_to_tm (struct icaltimetype *itt)
{
struct tm tm;
memset (&tm, 0, sizeof (struct tm));
if (!itt->is_date) {
tm.tm_sec = itt->second;
tm.tm_min = itt->minute;
tm.tm_hour = itt->hour;
}
tm.tm_mday = itt->day;
tm.tm_mon = itt->month - 1;
tm.tm_year = itt->year - 1900;
tm.tm_wday = time_day_of_week (itt->day, itt->month - 1, itt->year);
tm.tm_isdst = -1;
return tm;
}
/* Builds a static string out of an exception date */
static gchar *
get_exception_string (EDateTimeList *date_time_list,
struct icaltimetype *itt)
{
static gchar buf[256];
struct icaltimetype tt;
struct tm tmp_tm;
icaltimezone *zone;
gboolean use_24_hour_format;
use_24_hour_format = e_date_time_list_get_use_24_hour_format (date_time_list);
zone = e_date_time_list_get_timezone (date_time_list);
tt = *itt;
if (zone)
tt = icaltime_convert_to_zone (tt, zone);
tmp_tm.tm_year = tt.year - 1900;
tmp_tm.tm_mon = tt.month - 1;
tmp_tm.tm_mday = tt.day;
tmp_tm.tm_hour = tt.hour;
tmp_tm.tm_min = tt.minute;
tmp_tm.tm_sec = tt.second;
tmp_tm.tm_isdst = -1;
tmp_tm.tm_wday = time_day_of_week (
tt.day,
tt.month - 1,
tt.year);
e_time_format_date_and_time (
&tmp_tm, use_24_hour_format,
FALSE, FALSE, buf, sizeof (buf));
return buf;
}
static void
draw_month_grid (GcalYearView *year_view,
GtkWidget *widget,
cairo_t *cr,
gint month_nr,
gint *weeks_counter)
{
GcalYearViewPrivate *priv = year_view->priv;
GtkStyleContext *context;
GtkStateFlags state_flags;
PangoLayout *layout, *slayout;
PangoFontDescription *font_desc, *sfont_desc;
GdkRGBA color;
gint layout_width, layout_height, i, j, sw;
gint x, y, column, row, 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_widget_get_state_flags (widget);
sw = 1 - 2 * priv->k;
box_side = priv->navigator_grid->box_side;
x = priv->navigator_grid->coordinates[month_nr].x;
y = priv->navigator_grid->coordinates[month_nr].y;
gtk_style_context_get (context, state_flags | GTK_STATE_FLAG_SELECTED, "font", &sfont_desc, NULL);
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, y + (box_side - layout_height) / 2,
layout);
gtk_render_background (context, cr,
x + (box_side * 8 - layout_width) / 2, y + (box_side - layout_height) / 2,
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 * 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, priv->date->year) - priv->first_weekday + 7) % 7;
days = days_delay + icaltime_days_in_month (month_nr + 1, priv->date->year);
shown_rows = ceil (days / 7.0);
sunday_idx = priv->k * 6 + sw * ((7 - priv->first_weekday) % 7);
for (i = 0; i < 7 * shown_rows; i++)
{
column = i % 7;
row = i / 7;
j = 7 * ((i + 7 * priv->k) / 7) + sw * (i % 7) + (1 - priv->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 (priv->selected_data->start_day != 0)
{
ButtonData selected_data = *(priv->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 (priv->date->year == priv->current_date->year && month_nr + 1 == priv->current_date->month &&
j == priv->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 + priv->k) + x + sw * box_padding_start - priv->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 + priv->k) + x + sw * box_padding_start - priv->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 + priv->k) + x + sw * box_padding_start - priv->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 + priv->k) + x + sw * box_padding_start - priv->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 + priv->k) + x + sw * box_padding_start - priv->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++)
{
if (i == 0)
{
if (days_delay == 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 + priv->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);
}
