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GtkCalendar: Out of range dates are neither displayed nor sensitive

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`GDateTime`s span 0001-01-01/9999-12-31.
This commit is contained in:
Ahmed Baizid 2024-02-07 21:50:34 +01:00 committed by Ahmed Baizid
parent b8d2b1d3ce
commit 6c9edbf0da
1 changed files with 56 additions and 43 deletions
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99
gtk/gtkcalendar.c
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@ -130,6 +130,10 @@
#include "gtkstack.h"
#include "gtkgrid.h"
/* GDateTime is used, from 0001-01-01 to 9999-12-31 */
static const int YEAR_MIN = 1;
static const int YEAR_MAX = 9999;
static const guint month_length[2][13] =
{
{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
@ -964,28 +968,27 @@ calendar_update_day_labels (GtkCalendar *calendar)
{
char buffer[255];
GDateTime *today;
int new_day;
int x, y;
int today_day;
int selected_year, selected_month, selected_day;
gboolean lower_limit_reached, upper_limit_reached;
new_day = g_date_time_get_day_of_month (calendar->date);
today_day = -1;
today = g_date_time_new_now_local ();
if (g_date_time_get_year (calendar->date) == g_date_time_get_year (today) &&
g_date_time_get_month (calendar->date) == g_date_time_get_month (today))
today_day = g_date_time_get_day_of_month (today);
else
today_day = -1;
if (g_date_time_get_year (calendar->date) == g_date_time_get_year (today))
if (g_date_time_get_month (calendar->date) == g_date_time_get_month (today))
today_day = g_date_time_get_day_of_month (today);
g_date_time_unref (today);
/* Update day labels */
for (y = 0; y < 6; y++)
for (x = 0; x < 7; x++)
g_date_time_get_ymd (calendar->date, &selected_year, &selected_month, &selected_day);
lower_limit_reached = selected_year == YEAR_MIN && selected_month == G_DATE_JANUARY;
upper_limit_reached = selected_year == YEAR_MAX && selected_month == G_DATE_DECEMBER;
for (int row = 0; row < 6; row++)
for (int col = 0; col < 7; col++)
{
const int day = calendar->day[y][x];
GtkWidget *label = calendar->day_number_labels[y][x];
const int day = calendar->day[row][col];
GtkWidget *label = calendar->day_number_labels[row][col];
/* Translators: this defines whether the day numbers should use
* localized digits or the ones used in English (0123...).
*
@ -997,37 +1000,47 @@ calendar_update_day_labels (GtkCalendar *calendar)
* too.
*/
g_snprintf (buffer, sizeof (buffer), C_ ("calendar:day:digits", "%d"), day);
gtk_label_set_label (GTK_LABEL (label), buffer);
gtk_widget_remove_css_class (label, "other-month");
gtk_widget_remove_css_class (label, "today");
gtk_widget_unset_state_flags (label, GTK_STATE_FLAG_CHECKED);
gtk_widget_unset_state_flags (label, GTK_STATE_FLAG_FOCUSED);
gtk_widget_unset_state_flags (label, GTK_STATE_FLAG_SELECTED);
gtk_widget_set_sensitive (label, TRUE);
if (calendar->day_month[y][x] == MONTH_PREV ||
calendar->day_month[y][x] == MONTH_NEXT)
gtk_widget_add_css_class (label, "other-month");
else
gtk_widget_remove_css_class (label, "other-month");
if (calendar->marked_date[day - 1] &&
calendar->day_month[y][x] == MONTH_CURRENT)
gtk_widget_set_state_flags (label, GTK_STATE_FLAG_CHECKED, FALSE);
else
gtk_widget_unset_state_flags (label, GTK_STATE_FLAG_CHECKED);
if (new_day == day &&
calendar->day_month[y][x] == MONTH_CURRENT)
gtk_widget_set_state_flags (label, GTK_STATE_FLAG_SELECTED, FALSE);
else
gtk_widget_unset_state_flags (label, GTK_STATE_FLAG_SELECTED);
if (calendar->focus_row == y && calendar->focus_col == x)
if (calendar->focus_row == row && calendar->focus_col == col)
gtk_widget_set_state_flags (label, GTK_STATE_FLAG_FOCUSED, FALSE);
else
gtk_widget_unset_state_flags (label, GTK_STATE_FLAG_FOCUSED);
if (day == today_day &&
calendar->day_month[y][x] == MONTH_CURRENT)
gtk_widget_add_css_class (label, "today");
else
gtk_widget_remove_css_class (label, "today");
switch (calendar->day_month[row][col])
{
case MONTH_PREV:
gtk_widget_add_css_class (label, "other-month");
if (lower_limit_reached)
{
gtk_label_set_label (GTK_LABEL (label), NULL);
gtk_widget_set_sensitive (label, FALSE);
}
break;
case MONTH_CURRENT:
if (day == selected_day)
gtk_widget_set_state_flags (label, GTK_STATE_FLAG_SELECTED, FALSE);
if (day == today_day)
gtk_widget_add_css_class (label, "today");
if (calendar->marked_date[day - 1])
gtk_widget_set_state_flags (label, GTK_STATE_FLAG_CHECKED, FALSE);
break;
case MONTH_NEXT:
gtk_widget_add_css_class (label, "other-month");
if (upper_limit_reached)
{
gtk_label_set_label (GTK_LABEL (label), NULL);
gtk_widget_set_sensitive (label, FALSE);
}
break;
default:
g_assert_not_reached ();
break;
}
}
}