Added the beginning of an experimental date-time picker implementation for GTK+.

3 files changed, 125 insertions, 0 deletions

diff --git a/gtkdtp/dtp.c b/gtkdtp/dtp.c
new file mode 100644
index 0000000..5983e5d
--- /dev/null
+++ b/gtkdtp/dtp.c
@@ -0,0 +1,88 @@
+// 9 january 2015
+#include "dtp.h"
+
+#define GDTP(x) ((goDateTimePicker *) x)
+#define PRIV(x) (GDTP(x)->priv)
+#define GDTPC(x) ((goDateTimePickerClass *) x)
+
+struct goDateTimePickerPrivate {
+	GtkWidget *openbutton;
+
+	GtkWidget *popup;
+	GtkWidget *calendar;
+	GtkWidget *spinHours;
+	GtkWidget *spinMinutes;
+	GtkWidget *spinSeconds;
+};
+
+G_DEFINE_TYPE_WITH_CODE(goDateTimePicker, goDateTimePicker, GTK_TYPE_BOX,
+	G_ADD_PRIVATE(goDateTimePicker))
+
+enum {
+	gtkMargin  = 12,
+	gtkXPadding = 12,
+	gtkYPadding = 6,
+};
+
+static void goDateTimePicker_init(goDateTimePicker *dtp)
+{
+	goDateTimePickerPrivate *d;
+	GtkWidget *arrow;
+	GtkWidget *vbox;
+	GtkWidget *hbox;
+
+	dtp->priv = goDateTimePicker_get_instance_private(dtp);
+	d = dtp->priv;
+
+	// create the actual bar elements
+	// TODO the entry field
+	// just make a dummy one for testing
+	hbox = gtk_entry_new();
+	gtk_style_context_add_class(gtk_widget_get_style_context(hbox), GTK_STYLE_CLASS_COMBOBOX_ENTRY);
+	gtk_widget_set_hexpand(hbox, TRUE);
+	gtk_widget_set_halign(hbox, GTK_ALIGN_FILL);
+	gtk_container_add(GTK_CONTAINER(dtp), hbox);
+	// the open button
+	d->openbutton = gtk_toggle_button_new();
+	arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE);
+	gtk_container_add(GTK_CONTAINER(d->openbutton), arrow);
+	// and make them look linked
+	// TODO sufficient?
+	gtk_style_context_add_class(gtk_widget_get_style_context(GTK_WIDGET(dtp)), "linked");
+	// and mark them as visible
+	gtk_widget_show_all(d->openbutton);
+	// and add them to the bar
+	gtk_container_add(GTK_CONTAINER(dtp), d->openbutton);
+
+	// now create the popup that will hold everything
+	d->popup = gtk_window_new(GTK_WINDOW_POPUP);
+	gtk_window_set_type_hint(GTK_WINDOW(d->popup), GDK_WINDOW_TYPE_HINT_COMBO);
+	gtk_window_set_resizable(GTK_WINDOW(d->popup), FALSE);
+	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, gtkYPadding);
+	gtk_container_set_border_width(GTK_CONTAINER(vbox), gtkMargin);
+	d->calendar = gtk_calendar_new();
+	gtk_container_add(GTK_CONTAINER(vbox), d->calendar);
+	gtk_container_add(GTK_CONTAINER(d->popup), vbox);
+}
+
+static void goDateTimePicker_dispose(GObject *obj)
+{
+	goDateTimePickerPrivate *d = PRIV(obj);
+
+	// TODO really with g_clear_object()?
+	g_clear_object(&(d->openbutton));
+	g_clear_object(&(d->popup));
+	// TODO g_object_clear() the children?
+	G_OBJECT_CLASS(goDateTimePicker_parent_class)->dispose(obj);
+}
+
+static void goDateTimePicker_finalize(GObject *obj)
+{
+	G_OBJECT_CLASS(goDateTimePicker_parent_class)->finalize(obj);
+}
+
+static void goDateTimePicker_class_init(goDateTimePickerClass *class)
+{
+	G_OBJECT_CLASS(class)->dispose = goDateTimePicker_dispose;
+	G_OBJECT_CLASS(class)->finalize = goDateTimePicker_finalize;
+}
diff --git a/gtkdtp/dtp.h b/gtkdtp/dtp.h
new file mode 100644
index 0000000..3c936c6
--- /dev/null
+++ b/gtkdtp/dtp.h
@@ -0,0 +1,21 @@
+// 9 january 2015
+#define GLIB_VERSION_MIN_REQUIRED GLIB_VERSION_2_32
+#define GLIB_VERSION_MAX_ALLOWED GLIB_VERSION_2_32
+#define GDK_VERSION_MIN_REQUIRED GDK_VERSION_3_4
+#define GDK_VERSION_MAX_ALLOWED GDK_VERSION_3_4
+#include <gtk/gtk.h>
+
+typedef struct goDateTimePicker goDateTimePicker;
+typedef struct goDateTimePickerClass goDateTimePickerClass;
+typedef struct goDateTimePickerPrivate goDateTimePickerPrivate;
+
+struct goDateTimePicker {
+	GtkBox parent_instance;
+	goDateTimePickerPrivate *priv;
+};
+
+struct goDateTimePickerClass {
+	GtkBoxClass parent_class;
+};
+
+GType goDateTimePicker_get_type(void);
diff --git a/gtkdtp/test.c b/gtkdtp/test.c
new file mode 100644
index 0000000..c867c11
--- /dev/null
+++ b/gtkdtp/test.c
@@ -0,0 +1,16 @@
+// 9 january 2015
+#include "dtp.h"
+
+// #qo pkg-config: gtk+-3.0
+
+int main(void)
+{
+	GtkWidget *mainwin;
+
+	gtk_init(NULL, NULL);
+	mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	gtk_container_add(GTK_CONTAINER(mainwin), g_object_new(goDateTimePicker_get_type(), NULL));
+	gtk_widget_show_all(mainwin);
+	gtk_main();
+	return 0;
+}