GtkDateTime is a very simple widget to edit timestamps in GTK.
See source files below.
Source
gtk_datetime.h
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/* * gtk_datetime.h - GtkDateTime GTK widget * (c) 2013 - Rémi Peyronnet - LGPL * v1.0 */ #ifndef GTK_DATETIME_H_ #define GTK_DATETIME_H_ #include <glib.h> #include <glib-object.h> #include <gtk/gtk.h> G_BEGIN_DECLS #define GTK_DATETIME_TYPE (gtk_datetime_get_type ()) #define GTK_DATETIME(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_DATETIME_TYPE, GtkDateTime)) #define GTK_DATETIME_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_DATETIME_TYPE, GtkDateTimeClass)) #define IS_GTK_DATETIME(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_DATETIME_TYPE)) #define IS_GTK_DATETIME_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_DATETIME_TYPE)) typedef struct _GtkDateTime GtkDateTime; typedef struct _GtkDateTimeClass GtkDateTimeClass; struct _GtkDateTime { GtkHBox hbox; GtkWidget * year; GtkWidget * month; GtkWidget * day; GtkWidget * hour; GtkWidget * minute; GtkWidget * second; /* GtkWidget *buttons[3][3]; */ }; struct _GtkDateTimeClass { GtkHBoxClass parent_class; void (* gtk_datetime) (GtkDateTime *gdt); }; GType gtk_datetime_get_type(); GtkWidget* gtk_datetime_new(); time_t gtk_datetime_get_timestamp(GtkDateTime *gdt); void gtk_datetime_set_timestamp(GtkDateTime *gdt, const time_t * timestamp); G_END_DECLS #endif /* GTK_DATETIME_H_ */ |
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/* * gtk_datetime.c - GtkDateTime GTK widget * (c) 2013 - Rémi Peyronnet - LGPL * v1.0 * * History : * v1.0 (21/03/2013) - Initial release */ #include "gtk_datetime.h" #include <gtk/gtksignal.h> #include <time.h> enum { GTK_DATETIME_CHANGED_SIGNAL, LAST_SIGNAL }; static void gtk_datetime_class_init (GtkDateTimeClass *klass); static void gtk_datetime_init (GtkDateTime *gdt); static void gtk_datetime_changed(GtkWidget * widget, GtkDateTime * gdt); static guint gtk_datetime_signals[LAST_SIGNAL] = { 0 }; GType gtk_datetime_get_type () { static GType gdt_type = 0; if (!gdt_type) { const GTypeInfo gdt_info = { sizeof (GtkDateTimeClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) gtk_datetime_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GtkDateTime), 0, (GInstanceInitFunc) gtk_datetime_init, }; gdt_type = g_type_register_static (GTK_TYPE_HBOX, "GtkDateTime", &gdt_info, 0); } return gdt_type; } static void gtk_datetime_class_init (GtkDateTimeClass *klass) { gtk_datetime_signals[GTK_DATETIME_CHANGED_SIGNAL] = g_signal_new ("gtk_datetime_changed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkDateTimeClass, gtk_datetime), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); } static void gtk_datetime_init (GtkDateTime *gdt) { #define GTK_CONTAINER_ADD_AND_SHOW(container, widget) { GtkWidget * gww = widget; gtk_container_add(GTK_CONTAINER(container), gww); gtk_widget_show(gww); } #define GTK_CONTAINER_NEW_SPINNER_AND_SHOW(container, spinnername, min, max) spinnername = gtk_spin_button_new_with_range(min, max, 1); gtk_container_add(GTK_CONTAINER(container), spinnername); g_signal_connect(spinnername, "value-changed", G_CALLBACK(gtk_datetime_changed), (gpointer) gdt); gtk_widget_show(spinnername); GTK_CONTAINER_NEW_SPINNER_AND_SHOW(gdt, gdt->day, 1, 31) GTK_CONTAINER_ADD_AND_SHOW(gdt, gtk_label_new(" / ")); GTK_CONTAINER_NEW_SPINNER_AND_SHOW(gdt, gdt->month, 1, 31) GTK_CONTAINER_ADD_AND_SHOW(gdt, gtk_label_new(" / ")); GTK_CONTAINER_NEW_SPINNER_AND_SHOW(gdt, gdt->year, 1970, 2038) GTK_CONTAINER_ADD_AND_SHOW(gdt, gtk_label_new(" ")); GTK_CONTAINER_NEW_SPINNER_AND_SHOW(gdt, gdt->hour, 0, 23) GTK_CONTAINER_ADD_AND_SHOW(gdt, gtk_label_new(" : ")); GTK_CONTAINER_NEW_SPINNER_AND_SHOW(gdt, gdt->minute, 0, 59) GTK_CONTAINER_ADD_AND_SHOW(gdt, gtk_label_new(" : ")); GTK_CONTAINER_NEW_SPINNER_AND_SHOW(gdt, gdt->second, 0, 59) #undef GTK_CONTAINER_ADD_AND_SHOW #undef GTK_CONTAINER_NEW_SPINNER_AND_SHOW } GtkWidget* gtk_datetime_new () { return GTK_WIDGET (g_object_new (gtk_datetime_get_type (), NULL)); } void gtk_datetime_set_timestamp(GtkDateTime *gdt, const time_t * timestamp) { struct tm * timecomp; timecomp = <a href="http://www.opengroup.org/onlinepubs/009695399/functions/localtime.html">localtime</a>(timestamp); #define SPIN_SET_VALUE_WITHOUT_SIGNAL(spin, value) g_signal_handlers_block_matched (spin, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, gdt); gtk_spin_button_set_value ( spin, value ); g_signal_handlers_unblock_matched (spin, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, gdt); if (timecomp != NULL) { SPIN_SET_VALUE_WITHOUT_SIGNAL ( GTK_SPIN_BUTTON ( gdt->day ), timecomp->tm_mday); SPIN_SET_VALUE_WITHOUT_SIGNAL ( GTK_SPIN_BUTTON ( gdt->month ), timecomp->tm_mon + 1); SPIN_SET_VALUE_WITHOUT_SIGNAL ( GTK_SPIN_BUTTON ( gdt->year ), timecomp->tm_year + 1900); SPIN_SET_VALUE_WITHOUT_SIGNAL ( GTK_SPIN_BUTTON ( gdt->hour ), timecomp->tm_hour); SPIN_SET_VALUE_WITHOUT_SIGNAL ( GTK_SPIN_BUTTON ( gdt->minute ), timecomp->tm_min); SPIN_SET_VALUE_WITHOUT_SIGNAL ( GTK_SPIN_BUTTON ( gdt->second ), timecomp->tm_sec); } #undef SPIN_SET_VALUE_WITHOUT_SIGNAL } time_t gtk_datetime_get_timestamp(GtkDateTime *gdt) { struct tm timecomp; timecomp.tm_mday = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON ( gdt->day )); timecomp.tm_mon = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON ( gdt->month )) - 1; timecomp.tm_year = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON ( gdt->year )) - 1900; timecomp.tm_hour = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON ( gdt->hour )); timecomp.tm_min = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON ( gdt->minute )); timecomp.tm_sec = gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON ( gdt->second )); return <a href="http://www.opengroup.org/onlinepubs/009695399/functions/mktime.html">mktime</a>(&timecomp); } static void gtk_datetime_changed(GtkWidget * widget, GtkDateTime * gdt) { g_signal_emit (gdt, gtk_datetime_signals[GTK_DATETIME_CHANGED_SIGNAL], 0); } |
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/* File to test gtk_datetime widget Makefile : test_datetime: test_datetime.c gtk_datetime.c gtk_datetime.h gcc -o test_time test_datetime.c gtk_datetime.c `pkg-config gtk+-2.0 --libs --cflags` */ #include <stdlib.h> #include <gtk/gtk.h> #include "gtk_datetime.h" #include <time.h> void changed( GtkWidget *widget, gpointer data ) { time_t seltime; seltime = gtk_datetime_get_timestamp( GTK_DATETIME( widget )); <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html">printf</a>("SelTime = %ld n", seltime); } int main( int argc, char *argv[] ) { GtkWidget *window; GtkWidget *gdt; time_t curtime; gtk_init (&argc, &argv); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_set_title (GTK_WINDOW (window), "Aspect Frame"); g_signal_connect (window, "destroy", G_CALLBACK (<a href="http://www.opengroup.org/onlinepubs/009695399/functions/exit.html">exit</a>), NULL); gtk_container_set_border_width (GTK_CONTAINER (window), 10); gdt = gtk_datetime_new (); gtk_container_add (GTK_CONTAINER (window), gdt); gtk_widget_show (gdt); <a href="http://www.opengroup.org/onlinepubs/009695399/functions/time.html">time</a>(&curtime); gtk_datetime_set_timestamp( GTK_DATETIME( gdt ), &curtime); <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html">printf</a>("CurTime = %ld n", curtime); g_signal_connect (gdt, "gtk_datetime_changed", G_CALLBACK (changed), NULL); gtk_widget_show (window); gtk_main (); return 0; } |
