295 lines
7.3 KiB
C#
295 lines
7.3 KiB
C#
// checkbuttons.cs - GTK# Tutorial example
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//
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// Authors: Alejandro Sanchez Acosta <raciel@es.gnu.org>
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// Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>
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//
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// (C) 2002 Alejandro Sanchez Acosta <raciel@es.gnu.org>
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// Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>
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namespace GtkSharpTutorial {
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using Gtk;
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using GtkSharp;
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using System;
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using System.Drawing;
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public class rangeWidgetsSamples
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{
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static HScale hscale;
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static VScale vscale;
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static void cb_pos_menu_select (object obj, PositionType pos)
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{
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/* Set the value position on both scale widgets */
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((Scale) hscale).ValuePos = pos;
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((Scale) vscale).ValuePos = pos;
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}
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static void cb_update_menu_select (object obj, UpdateType policy)
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{
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/* Set the update policy for both scale widgets */
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((Range) hscale).UpdatePolicy = policy;
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((Range) vscale).UpdatePolicy = policy;
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}
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static void cb_digits_scale (Adjustment adj)
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{
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/* Set the number of decimal places to which adj->value is rounded */
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/* FIXME: this might be wrong */
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// ((Scale) hscale) = adj.Value;
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// ((Scale) vscale) = adj.Value;
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}
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// FIXME
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static void cb_page_size (Adjustment get, Adjustment set)
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{
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/* Set the page size and page increment size of the sample
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* adjustment to the value specified by the "Page Size" scale */
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//set.PageSize = get.Value;
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//set->page_increment = = get.Value;
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/* This sets the adjustment and makes it emit the "changed" signal to
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reconfigure all the widgets that are attached to this signal. */
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//set.ClampPage (
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}
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// FIXME
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static void cb_draw_value (ToggleButton button)
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{
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/* Turn the value display on the scale widgets off or on depending
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* on the state of the checkbutton */
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//((Scale) hscale).DrawValue button.Active
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//((Scale) vscale).DrawValue button.Active
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}
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/* Convenience functions */
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// FIXME:
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static Widget make_menu_item (string name /*, callback , gpointer */)
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{
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Widget w = null;
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return w;
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}
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static void scale_set_default_values (Scale s)
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{
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s.UpdatePolicy = UpdateType.Continuous;
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s.Digits = 1;
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s.ValuePos = PositionType.Top;
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s.DrawValue = true;
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}
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static void create_range_controls ()
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{
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Window window;
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VBox box1, box3;
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Box box2;
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Button button;
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HScrollbar scrollbar;
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HSeparator separator;
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Widget item; /* FIXME: find out the exactly widgets */
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OptionMenu opt;
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Menu menu;
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Label label;
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Scale scale;
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Adjustment adj1, adj2;
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window = new Window (WindowType.Toplevel);
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// window.DeleteEvent += new DeleteEventHandler
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window.Title = "range controls";
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box1 = new VBox (false, 0);
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window.Add (box1);
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box1.ShowAll ();
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box2 = new HBox (false, 0);
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box2.BorderWidth = 10;
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box1.PackStart (box2, true, true, 0);
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box2.ShowAll ();
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/* value, lower, upper, step_increment, page_increment, page_size */
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/* Note that the page_size value only makes a difference for
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* scrollbar widgets, and the highest value you'll get is actually
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* (upper - page_size). */
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adj1 = new Adjustment (0.0, 0.0, 101.0, 0.1, 1.0, 1.0);
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vscale = new VScale ((Adjustment) adj1);
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scale_set_default_values (vscale);
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box2.PackStart (vscale, true, true, 0);
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vscale.ShowAll ();
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box3 = new VBox (false, 10);
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box2.PackStart (box3, true, true, 0);
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box3.ShowAll ();
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/* Reuse the same adjustment */
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hscale = new HScale ((Adjustment) adj1);
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hscale.SetSizeRequest (200, -1);
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scale_set_default_values (hscale);
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box3.PackStart (hscale, true, true, 0);
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hscale.ShowAll ();
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/* reuse the same adjustment again */
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scrollbar = new HScrollbar ((Adjustment) adj1);
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/* Notice how this causes the scales to always be updated
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* continuously when the scrollbar is moved */
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scrollbar.UpdatePolicy = UpdateType.Continuous;
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box3.PackStart (scrollbar, true, true, 0);
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scrollbar.ShowAll ();
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box2 = new HBox (false, 10);
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box2.BorderWidth = 10;
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box1.PackStart (box2, true, true, 0);
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box2.ShowAll ();
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/* A checkbutton to control whether the value is displayed or not */
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button = new Button ("Display value on scale widgets");
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//FIXME
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//((ToggleButton) button).Active = true;
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// FIXME: find out the handler signature
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//((ToggleButton) button).Toggled +=
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box2.PackStart (button, true, true, 0);
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button.ShowAll ();
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box2 = new HBox (false, 10);
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box2.BorderWidth = 10;
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/* An option menu to change the position of the value */
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label = new Label ("Scale Value Position:");
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box2.PackStart (label, false, false, 0);
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label.ShowAll ();
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opt = new OptionMenu ();
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menu = new Menu ();
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//FIXME:
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item = new MenuItem ();
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menu.Append (item);
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// item =
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menu.Append (item);
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// item =
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menu.Append (item);
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// item =
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menu.Append (item);
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((OptionMenu) opt).Menu = menu;
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box2.PackStart (opt, true, true, 0);
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opt.ShowAll ();
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box1.PackStart (box2, true, true, 0);
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box2.ShowAll ();
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box2 = new HBox (false, 10);
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box2.BorderWidth = 10;
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/* Yet another option menu, this time for the update policy of the
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* scale widgets */
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label = new Label ("Scale Update Policy:");
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box2.PackStart (label, false, false, 0);
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label.ShowAll ();
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opt = new OptionMenu ();
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menu = new Menu ();
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// FIXME: continuous
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item = new MenuItem ();
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menu.Append (item);
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// FIXME: discontinuous
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item = new MenuItem ();
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menu.Append (item);
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//FIXME: delayed
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item = new MenuItem ();
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menu.Append (item);
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opt.Menu = menu;
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box2.PackStart (opt, true, true, 0);
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opt.ShowAll ();
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box1.PackStart (box2, true, true, 0);
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box2.ShowAll ();
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box2 = new HBox (false, 10);
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box2.BorderWidth = 10;
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/* An HScale widget for adjusting the number of digits on the
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* sample scales. */
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label = new Label ("Scale Digits:");
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box2.PackStart (label, false, false, 0);
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label.ShowAll ();
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adj2 = new Adjustment (1.0, 0.0, 5.0, 1.0, 1.0, 0.0);
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//FIXME: add a value_changed signal handler
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scale = new HScale (adj2);
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scale.Digits = 0;
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box2.PackStart (scale, true, true, 0);
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scale.ShowAll ();
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box1.PackStart (box2, true, true, 0);
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box2.ShowAll ();
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box2 = new HBox (false, 10);
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box2.BorderWidth = 10;
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/* And, one last HScale widget for adjusting the page size of the
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* scrollbar. */
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label = new Label ("Scrollbar Page Size:");
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box2.PackStart (label, false, false, 0);
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label.ShowAll ();
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adj2 = new Adjustment (1.0, 1.0, 101.0, 1.0, 1.0, 0.0);
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// FIXME: write a value_changed signal handler
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scale = new HScale (adj2);
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scale.Digits = 0;
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box2.PackStart (scale, true, true, 0);
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scale.ShowAll ();
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box1.PackStart (box2, true, true, 0);
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box2.ShowAll ();
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separator = new HSeparator ();
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box1.PackStart (separator, false, true, 0);
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separator.ShowAll ();
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box2 = new VBox (false, 10);
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box2.BorderWidth = 10;
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box1.PackStart (box2, false, true, 0);
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box2.ShowAll ();
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button = new Button ("Quit");
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// FIXME: write a clicked signal handler
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box2.PackStart (button, true, true, 0);
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//FIXME: set widget flags
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//FIXME: grab default
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button.ShowAll ();
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window.ShowAll ();
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}
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public static void Main (string [] args)
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{
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Application.Init ();
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create_range_controls ();
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Application.Run ();
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}
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}
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}
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