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![Mike Kestner](/assets/img/avatar_default.png)
* gconf/GConf.PropertyEditors/PropertyEditorColorPicker.cs : nuke a GnomeSharp. * generator/Signal.cs : move eventhandlers and args into the base namespace instead of a *Sharp namespace. * sample/*.cs : nuke using *Sharp. svn path=/trunk/gtk-sharp/; revision=22956
158 lines
4.2 KiB
C#
158 lines
4.2 KiB
C#
//
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// DemoSizeGroup.cs
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//
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// Author: Duncan Mak (duncan@ximian.com)
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//
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// Copyright (C) 2002, Duncan Mak, Ximian Inc.
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//
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/* Size Groups
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*
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* SizeGroup provides a mechanism for grouping a number of
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* widgets together so they all request the same amount of space.
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* This is typically useful when you want a column of widgets to
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* have the same size, but you can't use a Table widget.
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*
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* Note that size groups only affect the amount of space requested,
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* not the size that the widgets finally receive. If you want the
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* widgets in a SizeGroup to actually be the same size, you need
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* to pack them in such a way that they get the size they request
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* and not more. For example, if you are packing your widgets
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* into a table, you would not include the Gtk.Fill flag.
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*/
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using System;
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using Gtk;
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namespace GtkDemo
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{
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public class DemoSizeGroup
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{
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private Dialog window;
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private SizeGroup sizeGroup;
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public DemoSizeGroup ()
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{
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window = new Dialog ();
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window.Title = "Sized groups";
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window.Resizable = false;
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VBox vbox = new VBox (false, 5);
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window.VBox.PackStart (vbox, true, true, 0);
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vbox.BorderWidth = 5;
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sizeGroup = new SizeGroup (SizeGroupMode.Horizontal);
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//Create one frame holding color options
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Frame frame = new Frame ("Color Options");
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vbox.PackStart (frame, true, true, 0);
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Table table = new Table (2, 2, false);
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table.BorderWidth = 5;
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table.RowSpacing = 5;
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table.ColumnSpacing = 10;
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frame.Add (table);
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string [] colors = {"Red", "Green", "Blue", };
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string [] dashes = {"Solid", "Dashed", "Dotted", };
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string [] ends = {"Square", "Round", "Arrow", };
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AddRow (table, 0, sizeGroup, "_Foreground", colors);
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AddRow (table, 1, sizeGroup, "_Background", colors);
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// And another frame holding line style options
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frame = new Frame ("Line Options");
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vbox.PackStart (frame, false, false, 0);
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table = new Table (2, 2, false);
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table.BorderWidth = 5;
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table.RowSpacing = 5;
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table.ColumnSpacing = 10;
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frame.Add (table);
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AddRow (table, 0, sizeGroup, "_Dashing", dashes);
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AddRow (table, 1, sizeGroup, "_Line ends", ends);
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// And a check button to turn grouping on and off
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CheckButton checkButton = new CheckButton ("_Enable grouping");
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vbox.PackStart (checkButton, false, false, 0);
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checkButton.Active = true;
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checkButton.Toggled += new EventHandler (ButtonToggleCb);
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Button CloseButton = new Button (Stock.Close);
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window.AddActionWidget (CloseButton, 5);
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window.Response += new ResponseHandler (ResponseCallback);
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window.ShowAll ();
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}
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// Convenience function to create an option menu holding a number of strings
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private OptionMenu CreateOptionMenu (string [] strings)
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{
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Menu menu = new Menu ();
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MenuItem menuItem;
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foreach (string str in strings)
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{
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menuItem = new MenuItem (str);
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menuItem.Show ();
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menu.Append (menuItem);
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}
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OptionMenu optionMenu = new OptionMenu ();
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optionMenu.Menu = menu;
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return optionMenu;
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}
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private void AddRow (Table table, uint row, SizeGroup sizeGroup, string labelText, string [] options)
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{
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Label label = new Label (labelText);
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label.SetAlignment (0, 1);
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table.Attach (label,
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0, 1, row, row + 1,
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AttachOptions.Expand, AttachOptions.Fill,
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0, 0);
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OptionMenu optionMenu = CreateOptionMenu (options);
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sizeGroup.AddWidget (optionMenu);
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table.Attach (optionMenu,
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1, 2, row, row + 1,
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AttachOptions.Expand, AttachOptions.Expand,
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0, 0);
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}
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private void ButtonToggleCb (object o, EventArgs args)
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{
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ToggleGrouping ((ToggleButton) o, sizeGroup);
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}
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// SizeGroupMode.None is not generally useful, but is useful
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// here to show the effect of SizeGroupMode.Horizontal by
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// contrast
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private void ToggleGrouping (ToggleButton checkButton, SizeGroup sizeGroup)
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{
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SizeGroupMode mode;
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if (checkButton.Active)
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mode = SizeGroupMode.Horizontal;
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else
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mode = SizeGroupMode.None;
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sizeGroup.Mode = mode;
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}
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private void ResponseCallback (object obj, ResponseArgs args)
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{
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if (args.ResponseId == 5) {
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window.Hide ();
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window.Destroy ();}
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}
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}
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}
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