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![Dan Winship](/assets/img/avatar_default.png)
* generator/CodeGenerator.cs: * generator/ManagedCallString.cs: * generator/Property.cs: Remove unused vars * generator/Method.cs (GetHashCode): have to implement this since we're overriding Equals. * generator/CallbackGen.cs: print a message when generating a broken struct-returning callback. (Currently affects GtkSharp.TextSegSplitFuncNative and GtkSharp.TextSegCleanupFuncNative) * gdk/glue/device.c: * gdk/glue/dragcontext.c: Add missing prototypes * gtk/Gtk.metadata: Mark SeparatorToolItem.Draw "new". Re-rename CheckMenuItem.Toggled to EmitToggled rather than Toggle, since that's a better description of what it does. * gtk/CheckMenuItem.custom: implement a "Toggle" method that does what the documentation claims it does. * gtk/NodeStore.cs: remove unused var * gnome/Gnome.metadata: mark DateEdit.Flags, Dialog.Default, and PropertyBox.State "new". Hide GnomePixmapEntry.GnomeEntry and GnomePixmapEntry.GtkEntry since they do exactly the same thing as the methods of the same names inherited from GnomeFileEntry. * gnome/glue/canvas-proxy.c: * gnome/glue/canvas-proxy.h: * gnome/glue/canvas-proxy-marshal.c: * gnome/glue/canvas-proxy-marshal.h: * gnome/glue/canvas-proxy-marshal.list: Remove unused code * gnome/glue/Makefile.am (libgnomesharpglue_2_la_SOURCES): update * panelapplet/PanelApplet.metadata: mark PanelApplet.Flags "new" * sample/CanvasExample.cs: * sample/CustomCellRenderer.cs: * sample/CustomNotebook.cs: * sample/DrawingSample.cs: * sample/Fifteen.cs: * sample/GladeTest.cs: * sample/GtkDemo/DemoHyperText.cs: * sample/GtkDemo/DemoPixbuf.cs: * sample/ScribbleXInput.cs: remove unused vars, use GLib.Timeout.Add rather than the deprecated Gtk.Timeout.Add svn path=/trunk/gtk-sharp/; revision=38043
145 lines
4.1 KiB
C#
145 lines
4.1 KiB
C#
// CustomCellRenderer.cs : C# implementation of an example custom cellrenderer
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// from http://scentric.net/tutorial/sec-custom-cell-renderers.html
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//
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// Author: Todd Berman <tberman@sevenl.net>
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//
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// (c) 2004 Todd Berman
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using System;
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using Gtk;
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using Gdk;
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using GLib;
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public class CustomCellRenderer : CellRenderer
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{
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private float percent;
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public float Percentage
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{
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get {
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return percent;
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}
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set {
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percent = value;
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}
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}
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public override void GetSize (Widget widget, ref Rectangle cell_area, out int x_offset, out int y_offset, out int width, out int height)
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{
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int calc_width = (int) this.Xpad * 2 + 100;
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int calc_height = (int) this.Ypad * 2 + 10;
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width = calc_width;
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height = calc_height;
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x_offset = 0;
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y_offset = 0;
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if (!cell_area.Equals (Rectangle.Zero)) {
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x_offset = (int) (this.Xalign * (cell_area.Width - calc_width));
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x_offset = Math.Max (x_offset, 0);
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y_offset = (int) (this.Yalign * (cell_area.Height - calc_height));
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y_offset = Math.Max (y_offset, 0);
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}
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}
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protected override void Render (Drawable window, Widget widget, Rectangle background_area, Rectangle cell_area, Rectangle expose_area, CellRendererState flags)
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{
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int width = 0, height = 0, x_offset = 0, y_offset = 0;
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StateType state;
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GetSize (widget, ref cell_area, out x_offset, out y_offset, out width, out height);
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if (widget.HasFocus)
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state = StateType.Active;
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else
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state = StateType.Normal;
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width -= (int) this.Xpad * 2;
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height -= (int) this.Ypad * 2;
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//FIXME: Style.PaintBox needs some customization so that if you pass it
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//a Gdk.Rectangle.Zero it gives a clipping area big enough to draw
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//everything
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Gdk.Rectangle clipping_area = new Gdk.Rectangle ((int) (cell_area.X + x_offset + this.Xpad), (int) (cell_area.Y + y_offset + this.Ypad), width - 1, height - 1);
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Style.PaintBox (widget.Style, (Gdk.Window) window, StateType.Normal, ShadowType.In, clipping_area, widget, "trough", (int) (cell_area.X + x_offset + this.Xpad), (int) (cell_area.Y + y_offset + this.Ypad), width - 1, height - 1);
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Gdk.Rectangle clipping_area2 = new Gdk.Rectangle ((int) (cell_area.X + x_offset + this.Xpad), (int) (cell_area.Y + y_offset + this.Ypad), (int) (width * Percentage), height - 1);
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Style.PaintBox (widget.Style, (Gdk.Window) window, state, ShadowType.Out, clipping_area2, widget, "bar", (int) (cell_area.X + x_offset + this.Xpad), (int) (cell_area.Y + y_offset + this.Ypad), (int) (width * Percentage), height - 1);
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}
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}
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public class Driver : Gtk.Window
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{
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public static void Main ()
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{
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Application.Init ();
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new Driver ();
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Application.Run ();
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}
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ListStore liststore;
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void ProgressData (Gtk.TreeViewColumn tree_column, Gtk.CellRenderer cell, Gtk.TreeModel tree_model, Gtk.TreeIter iter)
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{
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float perc = (float) liststore.GetValue (iter, 0);
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((CustomCellRenderer)cell).Percentage = perc;
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}
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public Driver () : base ("CustomCellRenderer")
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{
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DefaultSize = new Size (150, 100);
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this.DeleteEvent += new DeleteEventHandler (window_delete);
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liststore = new ListStore (typeof (float), typeof (string));
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liststore.AppendValues (0.5f, "50%");
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TreeView view = new TreeView (liststore);
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view.AppendColumn ("Progress", new CellRendererText (), "text", 1);
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//Note: This *MUST* be done here, as its the only place Progress is
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//accessible. Maybe there should be an attribute that will do some
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//magic for you and register a property with the gobject system.
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view.AppendColumn ("Progress", new CustomCellRenderer (), new TreeCellDataFunc (ProgressData));
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this.Add (view);
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this.ShowAll ();
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GLib.Timeout.Add (50, new GLib.TimeoutHandler (update_percent));
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}
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bool increasing = true;
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bool update_percent ()
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{
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TreeIter iter;
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liststore.GetIterFirst (out iter);
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float perc = (float) liststore.GetValue (iter, 0);
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if ((perc > 0.99) || (perc < 0.01 && perc > 0)) {
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increasing = !increasing;
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}
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if (increasing)
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perc += 0.01f;
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else
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perc -= 0.01f;
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liststore.SetValue (iter, 0, perc);
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liststore.SetValue (iter, 1, Convert.ToInt32 (perc * 100) + "%");
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return true;
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}
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void window_delete (object obj, DeleteEventArgs args)
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{
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Application.Quit ();
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args.RetVal = true;
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}
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}
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