GtkDateTime is a very simple widget to edit timestamps in GTK.
See source files below.
Source
gtk_datetime.h
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /* * 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_ */ |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | /* * 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); } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /* 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; } |
