new sections on Layout and SpinButton [nice widget]

Tue Feb  2 08:59:16 GMT 1999 Tony Gale  <gale@gtk.org>

        * docs/gtk_tut.sgml: new sections on Layout and
          SpinButton [nice widget]

        * examples/spinbutton/*: example code

2 files changed, 234 insertions, 0 deletions

diff --git a/examples/spinbutton/Makefile b/examples/spinbutton/Makefile
new file mode 100644
index 000000000..255189a0d
--- /dev/null
+++ b/examples/spinbutton/Makefile
@@ -0,0 +1,8 @@
+
+CC = gcc
+
+spinbutton: spinbutton.c 
+	$(CC) `gtk-config --cflags`  spinbutton.c -o spinbutton `gtk-config --libs`
+
+clean: 
+	rm -f *.o spinbutton
diff --git a/examples/spinbutton/spinbutton.c b/examples/spinbutton/spinbutton.c
new file mode 100644
index 000000000..78000b827
--- /dev/null
+++ b/examples/spinbutton/spinbutton.c
@@ -0,0 +1,226 @@
+/* example-start spinbutton spinbutton.c */
+
+#include <gtk/gtk.h>
+
+static GtkWidget *spinner1;
+
+void toggle_snap( GtkWidget     *widget,
+		  GtkSpinButton *spin )
+{
+  gtk_spin_button_set_snap_to_ticks (spin, GTK_TOGGLE_BUTTON (widget)->active);
+}
+
+void toggle_numeric( GtkWidget *widget,
+		     GtkSpinButton *spin )
+{
+  gtk_spin_button_set_numeric (spin, GTK_TOGGLE_BUTTON (widget)->active);
+}
+
+void change_digits( GtkWidget *widget,
+	            GtkSpinButton *spin )
+{
+  gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinner1),
+                              gtk_spin_button_get_value_as_int (spin));
+}
+
+void get_value( GtkWidget *widget,
+		gpointer data )
+{
+  gchar buf[32];
+  GtkLabel *label;
+  GtkSpinButton *spin;
+
+  spin = GTK_SPIN_BUTTON (spinner1);
+  label = GTK_LABEL (gtk_object_get_user_data (GTK_OBJECT (widget)));
+  if (GPOINTER_TO_INT (data) == 1)
+    sprintf (buf, "%d", gtk_spin_button_get_value_as_int (spin));
+  else
+    sprintf (buf, "%0.*f", spin->digits,
+             gtk_spin_button_get_value_as_float (spin));
+  gtk_label_set_text (label, buf);
+}
+
+
+int main( int   argc,
+          char *argv[] )
+{
+  GtkWidget *window;
+  GtkWidget *frame;
+  GtkWidget *hbox;
+  GtkWidget *main_vbox;
+  GtkWidget *vbox;
+  GtkWidget *vbox2;
+  GtkWidget *spinner2;
+  GtkWidget *spinner;
+  GtkWidget *button;
+  GtkWidget *label;
+  GtkWidget *val_label;
+  GtkAdjustment *adj;
+
+  /* Initialise GTK */
+  gtk_init(&argc, &argv);
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+  gtk_signal_connect (GTK_OBJECT (window), "destroy",
+		      GTK_SIGNAL_FUNC (gtk_main_quit),
+		      NULL);
+
+  gtk_window_set_title (GTK_WINDOW (window), "Spin Button");
+
+  main_vbox = gtk_vbox_new (FALSE, 5);
+  gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 10);
+  gtk_container_add (GTK_CONTAINER (window), main_vbox);
+  
+  frame = gtk_frame_new ("Not accelerated");
+  gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
+  
+  vbox = gtk_vbox_new (FALSE, 0);
+  gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
+  gtk_container_add (GTK_CONTAINER (frame), vbox);
+  
+  /* Day, month, year spinners */
+  
+  hbox = gtk_hbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 5);
+  
+  vbox2 = gtk_vbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
+  
+  label = gtk_label_new ("Day :");
+  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+  gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
+  
+  adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 31.0, 1.0,
+					      5.0, 0.0);
+  spinner = gtk_spin_button_new (adj, 0, 0);
+  gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
+  gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
+				   GTK_SHADOW_OUT);
+  gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
+  
+  vbox2 = gtk_vbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
+  
+  label = gtk_label_new ("Month :");
+  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+  gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
+  
+  adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 12.0, 1.0,
+					      5.0, 0.0);
+  spinner = gtk_spin_button_new (adj, 0, 0);
+  gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
+  gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
+				   GTK_SHADOW_ETCHED_IN);
+  gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
+  
+  vbox2 = gtk_vbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
+  
+  label = gtk_label_new ("Year :");
+  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+  gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
+  
+  adj = (GtkAdjustment *) gtk_adjustment_new (1998.0, 0.0, 2100.0,
+					      1.0, 100.0, 0.0);
+  spinner = gtk_spin_button_new (adj, 0, 0);
+  gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), FALSE);
+  gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
+				   GTK_SHADOW_IN);
+  gtk_widget_set_usize (spinner, 55, 0);
+  gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
+  
+  frame = gtk_frame_new ("Accelerated");
+  gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
+  
+  vbox = gtk_vbox_new (FALSE, 0);
+  gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
+  gtk_container_add (GTK_CONTAINER (frame), vbox);
+  
+  hbox = gtk_hbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
+  
+  vbox2 = gtk_vbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
+  
+  label = gtk_label_new ("Value :");
+  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+  gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
+  
+  adj = (GtkAdjustment *) gtk_adjustment_new (0.0, -10000.0, 10000.0,
+					      0.5, 100.0, 0.0);
+  spinner1 = gtk_spin_button_new (adj, 1.0, 2);
+  gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner1), TRUE);
+  gtk_widget_set_usize (spinner1, 100, 0);
+  gtk_box_pack_start (GTK_BOX (vbox2), spinner1, FALSE, TRUE, 0);
+  
+  vbox2 = gtk_vbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
+  
+  label = gtk_label_new ("Digits :");
+  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+  gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
+  
+  adj = (GtkAdjustment *) gtk_adjustment_new (2, 1, 5, 1, 1, 0);
+  spinner2 = gtk_spin_button_new (adj, 0.0, 0);
+  gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner2), TRUE);
+  gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
+		      GTK_SIGNAL_FUNC (change_digits),
+		      (gpointer) spinner2);
+  gtk_box_pack_start (GTK_BOX (vbox2), spinner2, FALSE, TRUE, 0);
+  
+  hbox = gtk_hbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
+  
+  button = gtk_check_button_new_with_label ("Snap to 0.5-ticks");
+  gtk_signal_connect (GTK_OBJECT (button), "clicked",
+		      GTK_SIGNAL_FUNC (toggle_snap),
+		      spinner1);
+  gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
+  
+  button = gtk_check_button_new_with_label ("Numeric only input mode");
+  gtk_signal_connect (GTK_OBJECT (button), "clicked",
+		      GTK_SIGNAL_FUNC (toggle_numeric),
+		      spinner1);
+  gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
+  
+  val_label = gtk_label_new ("");
+  
+  hbox = gtk_hbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
+  button = gtk_button_new_with_label ("Value as Int");
+  gtk_object_set_user_data (GTK_OBJECT (button), val_label);
+  gtk_signal_connect (GTK_OBJECT (button), "clicked",
+		      GTK_SIGNAL_FUNC (get_value),
+		      GINT_TO_POINTER (1));
+  gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
+  
+  button = gtk_button_new_with_label ("Value as Float");
+  gtk_object_set_user_data (GTK_OBJECT (button), val_label);
+  gtk_signal_connect (GTK_OBJECT (button), "clicked",
+		      GTK_SIGNAL_FUNC (get_value),
+		      GINT_TO_POINTER (2));
+  gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
+  
+  gtk_box_pack_start (GTK_BOX (vbox), val_label, TRUE, TRUE, 0);
+  gtk_label_set_text (GTK_LABEL (val_label), "0");
+  
+  hbox = gtk_hbox_new (FALSE, 0);
+  gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);
+  
+  button = gtk_button_new_with_label ("Close");
+  gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
+			     GTK_SIGNAL_FUNC (gtk_widget_destroy),
+			     GTK_OBJECT (window));
+  gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
+
+  gtk_widget_show_all (window);
+
+  /* Enter the event loop */
+  gtk_main ();
+    
+  return(0);
+}
+/* example-end */