/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ /* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * * Copyright (C) 2014, Rob Norris * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include "vikdatetime_edit_dialog.h" #include #include #include "ui_util.h" #include "dialog.h" // Show leading zeros static gboolean on_output ( GtkSpinButton *spin, gpointer data ) { GtkAdjustment *adjustment = gtk_spin_button_get_adjustment ( spin ); gint value = (gint)gtk_adjustment_get_value ( adjustment ); gchar *text = g_strdup_printf ( "%02d", value ); gtk_entry_set_text ( GTK_ENTRY (spin), text ); g_free ( text ); return TRUE; } static gboolean on_output6 ( GtkSpinButton *spin, gpointer data ) { GtkAdjustment *adjustment = gtk_spin_button_get_adjustment ( spin ); gint value = (gint)gtk_adjustment_get_value ( adjustment ); gchar *text = g_strdup_printf ( "%06d", value ); gtk_entry_set_text ( GTK_ENTRY (spin), text ); g_free ( text ); return TRUE; } typedef struct _dteDialog { GtkWidget *dialog; GtkWidget *cal; GtkWidget *sb_hours; GtkWidget *sb_minutes; GtkWidget *sb_seconds; GtkWidget *sb_usecs; GtkWidget *entry; GTimeZone *tz; } DateTimeEditDialogT; static void text_changed_cb (GtkEntry *entry, GParamSpec *pspec, GtkWidget *button) { gboolean has_text = gtk_entry_get_text_length(entry) > 0; gtk_entry_set_icon_sensitive ( entry, GTK_ENTRY_ICON_SECONDARY, has_text ); gtk_widget_set_sensitive ( button, !has_text ); } static gdouble get_time_from_widgets ( DateTimeEditDialogT *dte ) { gdouble ans = NAN; // Read values guint year = 0; guint month = 0; guint day = 0; guint hours = 0; guint minutes = 0; guint seconds = 0; guint usecs = 0; gtk_calendar_get_date ( GTK_CALENDAR(dte->cal), &year, &month, &day ); hours = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(dte->sb_hours) ); minutes = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(dte->sb_minutes) ); seconds = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(dte->sb_seconds) ); usecs = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(dte->sb_usecs) ); gdouble gsecs = seconds + (gdouble)usecs/G_TIME_SPAN_SECOND; GDateTime *gdt_ans = g_date_time_new ( dte->tz, year, month+1, day, hours, minutes, gsecs ); if ( gdt_ans ) { ans = g_date_time_to_unix ( gdt_ans ); ans += (gdouble)g_date_time_get_microsecond(gdt_ans) / G_TIME_SPAN_SECOND; g_date_time_unref ( gdt_ans ); } return ans; } // Get values from Calendar widgets // And output text into Entry static void cnv_apply ( DateTimeEditDialogT *dte ) { gdouble ans = get_time_from_widgets ( dte ); if ( !isnan(ans) ) { GTimeVal timestamp; timestamp.tv_sec = ans; timestamp.tv_usec = abs((ans-(gint64)ans)*G_USEC_PER_SEC); gchar *time_iso8601 = g_time_val_to_iso8601 ( ×tamp ); if ( time_iso8601 != NULL ) { ui_entry_set_text ( dte->entry, time_iso8601 ); } else g_warning ( "%s: Could not convert timestamp (secs %ld, usecs %ld) to iso8601", __FUNCTION__, timestamp.tv_sec, timestamp.tv_usec ); g_free ( time_iso8601 ); } } // Basic calendar date parsing static gdouble my_parse_utc ( const gchar *txt ) { gdouble ans = NAN; GDateTime *gdt_ans = NULL; // Special handling of just years as a YYYY value since glib doesn't if ( strlen(txt) == 4 ) { gdouble years = g_ascii_strtod ( txt, NULL ); gdt_ans = g_date_time_new_utc ( years, 1, 1, 0, 0, 0.0 ); } else { GDate *gd = g_date_new (); g_date_set_parse ( gd, txt ); if ( g_date_valid(gd) ) gdt_ans = g_date_time_new_utc ( g_date_get_year(gd), g_date_get_month(gd), g_date_get_day(gd), 0, 0, 0.0 ); g_date_free ( gd ); } if ( gdt_ans ) { ans = g_date_time_to_unix ( gdt_ans ); ans += (gdouble)g_date_time_get_microsecond(gdt_ans) / G_TIME_SPAN_SECOND; g_date_time_unref ( gdt_ans ); } return ans; } /** * vik_datetime_edit_dialog: * @parent: The parent window * @title: The title to use for the dialog * @initial_time: The initial date/time to be shown * @tz: The #GTimeZone this dialog will operate in * * Returns: A time selected by the user via this dialog * Otherwise NAN if the dialog was cancelled or somehow an invalid date was encountered. */ gdouble vik_datetime_edit_dialog ( GtkWindow *parent, const gchar *title, gdouble initial_time, GTimeZone *tz ) { g_return_val_if_fail ( tz, NAN ); GtkWidget *dialog = gtk_dialog_new_with_buttons ( title, parent, GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL ); gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); GtkWidget *response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); GtkWidget *label; GtkWidget *cal = gtk_calendar_new (); // Set according to the given date/time + timezone for display GTimeVal tv = { initial_time, round((initial_time-floor(initial_time))*G_TIME_SPAN_SECOND) }; GDateTime *gdt_in = g_date_time_new_from_timeval_utc ( &tv ); GDateTime *gdt_tz = g_date_time_to_timezone ( gdt_in, tz ); g_date_time_unref ( gdt_in ); gtk_calendar_select_month ( GTK_CALENDAR(cal), g_date_time_get_month(gdt_tz)-1, g_date_time_get_year (gdt_tz) ); gtk_calendar_select_day ( GTK_CALENDAR(cal), g_date_time_get_day_of_month(gdt_tz) ); GtkWidget *hbox_time = gtk_hbox_new ( FALSE, 1 ); label = gtk_label_new ( g_date_time_get_timezone_abbreviation(gdt_tz) ); gtk_box_pack_start ( GTK_BOX(hbox_time), label, FALSE, FALSE, 5 ); GtkWidget *sb_hours = gtk_spin_button_new_with_range ( 0.0, 23.0, 1.0 ); gtk_box_pack_start ( GTK_BOX(hbox_time), sb_hours, FALSE, FALSE, 0 ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(sb_hours), g_date_time_get_hour(gdt_tz) ); g_signal_connect ( sb_hours, "output", G_CALLBACK(on_output), NULL ); label = gtk_label_new ( ":" ); gtk_box_pack_start ( GTK_BOX(hbox_time), label, FALSE, FALSE, 0 ); GtkWidget *sb_minutes = gtk_spin_button_new_with_range ( 0.0, 59.0, 1.0 ); gtk_box_pack_start ( GTK_BOX(hbox_time), sb_minutes, FALSE, FALSE, 0); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(sb_minutes), g_date_time_get_minute(gdt_tz) ); g_signal_connect ( sb_minutes, "output", G_CALLBACK(on_output), NULL ); label = gtk_label_new ( ":" ); gtk_box_pack_start(GTK_BOX(hbox_time), label, FALSE, FALSE, 0); GtkWidget *sb_seconds = gtk_spin_button_new_with_range ( 0.0, 59.0, 1.0 ); gtk_box_pack_start ( GTK_BOX(hbox_time), sb_seconds, FALSE, FALSE, 0 ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(sb_seconds), g_date_time_get_second(gdt_tz) ); g_signal_connect ( sb_seconds, "output", G_CALLBACK(on_output), NULL ); label = gtk_label_new ( "." ); gtk_box_pack_start(GTK_BOX(hbox_time), label, FALSE, FALSE, 0); GtkWidget *sb_usecs = gtk_spin_button_new_with_range ( 0, 999999, 1000 ); gtk_box_pack_start ( GTK_BOX(hbox_time), sb_usecs, FALSE, FALSE, 0 ); gtk_spin_button_set_value ( GTK_SPIN_BUTTON(sb_usecs), g_date_time_get_microsecond(gdt_tz) ); g_signal_connect ( sb_usecs, "output", G_CALLBACK(on_output6), NULL ); GtkWidget *hbox_text = gtk_hbox_new ( FALSE, 1 ); GtkWidget *cnv_button = gtk_button_new(); // Button with just an image (no need for text on it) GtkWidget *img = gtk_image_new_from_stock ( GTK_STOCK_CONVERT, GTK_ICON_SIZE_MENU ); gtk_button_set_image ( GTK_BUTTON(cnv_button), img ); gtk_box_pack_start ( GTK_BOX(hbox_text), cnv_button, FALSE, FALSE, 0 ); GtkWidget *entry = ui_entry_new ( NULL, GTK_ENTRY_ICON_SECONDARY ); // Only enable Convert button when no text in the entry #if GTK_CHECK_VERSION (2,20,0) text_changed_cb ( GTK_ENTRY(entry), NULL, cnv_button ); g_signal_connect ( entry, "notify::text", G_CALLBACK(text_changed_cb), cnv_button ); #endif // 'ok' when press return in the entry g_signal_connect_swapped ( entry, "activate", G_CALLBACK(a_dialog_response_accept), dialog ); gtk_widget_set_tooltip_text ( entry, _("Accepts various forms of ISO 8601") ); gtk_box_pack_start ( GTK_BOX(hbox_text), entry, TRUE, TRUE, 0 ); DateTimeEditDialogT dted; // No need to malloc/free as only exists as long as the dialog does dted.dialog = dialog; dted.cal = cal; dted.entry = entry; dted.sb_hours = sb_hours; dted.sb_minutes = sb_minutes; dted.sb_seconds = sb_seconds; dted.sb_usecs = sb_usecs; dted.tz = tz; g_signal_connect_swapped ( cnv_button, "clicked", G_CALLBACK(cnv_apply), &dted ); gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), cal, FALSE, FALSE, 0 ); gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), hbox_time, FALSE, FALSE, 5 ); gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), hbox_text, FALSE, FALSE, 5 ); if ( response_w ) gtk_widget_grab_focus ( response_w ); g_date_time_unref ( gdt_tz ); gtk_widget_show_all ( dialog ); gdouble ans = NAN; // Use a few gotos as this simplifies the logic flow IMHO run: if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) goto done; if ( gtk_entry_get_text_length(GTK_ENTRY(entry)) > 0 ) { const gchar *txt = gtk_entry_get_text ( GTK_ENTRY(entry) ); gboolean understood = FALSE; // Try own parsing as glib only does subset of iso8601 // (i.e. "iso_date must include year, month, day, hours, minutes, and seconds) // if ( gtk_entry_get_text_length(GTK_ENTRY(entry)) <= 10 ) { gdouble cal = my_parse_utc ( txt ); if ( !isnan(cal) ) { understood = TRUE; ans = cal; } } else { #if GTK_CHECK_VERSION (2, 56, 0) GDateTime *gdt = g_date_time_new_from_iso8601 ( txt, tz ); if ( gdt ) { ans = g_date_time_to_unix ( gdt ); ans += (gdouble)g_date_time_get_microsecond(gdt) / G_TIME_SPAN_SECOND; g_date_time_unref ( gdt ); understood = TRUE; } #else GTimeVal tv_time; // Entry value supercedes other widget values ... if ( g_time_val_from_iso8601(txt, &tv_time) ) { gdouble d1 = tv_time.tv_sec; gdouble d2 = (gdouble)tv_time.tv_usec/G_USEC_PER_SEC; ans = (d1 < 0) ? d1 - d2 : d1 + d2; understood = TRUE; } #endif } if ( !understood ) { a_dialog_error_msg ( parent, _("Text input time was not understood") ); goto run; } goto done; } ans = initial_time; gdouble get_ans = get_time_from_widgets ( &dted ); if ( !isnan(get_ans) ) ans = get_ans; done: gtk_widget_destroy(dialog); return ans; }