mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-09-09 00:13:20 +02:00
2004-05-14 Todd Berman <tberman@sevenl.net>
* glib/Object.cs: make static GLib.Object.LookupGType protected for now. * gtk/CellRenderer.custom: code to allow for subclassing and implementing a custom cell renderer. * gtk/Makefile.am: add custom to build. * gtk/glue/Makefile.am: add glue to build. * gtk/glue/cellrenderer.c: glue code to override get_size and render from cellrenderer. * sample/CustomCellRenderer.cs: new sample to show how to implement a custom cell renderer. * sample/Makefile.am: add CustomCellRenderer sample. svn path=/trunk/gtk-sharp/; revision=27426
This commit is contained in:
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13
ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2004-05-14 Todd Berman <tberman@sevenl.net>
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* glib/Object.cs: make static GLib.Object.LookupGType protected for now.
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* gtk/CellRenderer.custom: code to allow for subclassing and
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implementing a custom cell renderer.
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* gtk/Makefile.am: add custom to build.
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* gtk/glue/Makefile.am: add glue to build.
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* gtk/glue/cellrenderer.c: glue code to override get_size and render
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from cellrenderer.
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* sample/CustomCellRenderer.cs: new sample to show how to implement a
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custom cell renderer.
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* sample/Makefile.am: add CustomCellRenderer sample.
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2004-05-13 Todd Berman <tberman@sevenl.net>
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* *.pc.in: add .dll to the end of the Libs: references, and convert
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@ -144,7 +144,7 @@ namespace GLib {
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return LookupGType (GetType ());
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}
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private static GType LookupGType (System.Type t)
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protected static GType LookupGType (System.Type t)
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{
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if (g_types.Contains (t))
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return (GType) g_types [t];
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89
gtk/CellRenderer.custom
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89
gtk/CellRenderer.custom
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@ -0,0 +1,89 @@
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//
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// CellRenderer.custom - Gtk CellRenderer class customizations
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//
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// Author: Todd Berman <tberman@sevenl.net>
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//
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// Copyright (C) 2004 Todd Berman
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//
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// This code is inserted after the automatically generated code.
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//
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public CellRenderer () : base (IntPtr.Zero)
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{
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if (GetType () != typeof (CellRenderer)) {
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CreateNativeObject (new string[0], new GLib.Value[0]);
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return;
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}
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throw new InvalidOperationException ("You MUST subclass this class");
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}
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[DllImport("gtksharpglue")]
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static extern void gtksharp_cellrenderer_base_get_size (IntPtr handle, IntPtr widget, Gdk.Rectangle cell_area, out int x_offset, out int y_offset, out int width, out int height);
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[DllImport("gtksharpglue")]
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static extern void gtksharp_cellrenderer_override_get_size (GLib.GType gtype, GetSizeDelegate cb);
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delegate void GetSizeDelegate (IntPtr item, IntPtr widget, ref Gdk.Rectangle cell_area, IntPtr x_offset, IntPtr y_offset, IntPtr width, IntPtr height);
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static GetSizeDelegate GetSizeCallback;
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static void GetSize_cb (IntPtr item, IntPtr widget, ref Gdk.Rectangle cell_area, IntPtr x_offset, IntPtr y_offset, IntPtr width, IntPtr height)
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{
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CellRenderer obj = GLib.Object.GetObject (item, false) as CellRenderer;
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Gtk.Widget widg = GLib.Object.GetObject (widget, false) as Gtk.Widget;
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int a, b, c, d;
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obj.OnGetSize (widg, cell_area, out a, out b, out c, out d);
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if (x_offset != IntPtr.Zero)
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Marshal.WriteInt32 (x_offset, a);
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if (y_offset != IntPtr.Zero)
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Marshal.WriteInt32 (y_offset, b);
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if (!(cell_area.Equals (Gdk.Rectangle.Zero))) {
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if (width != IntPtr.Zero)
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Marshal.WriteInt32 (width, c);
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if (height != IntPtr.Zero)
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Marshal.WriteInt32 (height, d);
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}
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}
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protected static void OverrideGetSize (GLib.GType gtype)
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{
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if (GetSizeCallback == null)
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GetSizeCallback = new GetSizeDelegate (GetSize_cb);
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gtksharp_cellrenderer_override_get_size (gtype, GetSizeCallback);
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}
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protected virtual void OnGetSize (Gtk.Widget widget, Gdk.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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gtksharp_cellrenderer_base_get_size (Handle, widget.Handle, cell_area, out x_offset, out y_offset, out width, out height);
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}
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[DllImport("gtksharpglue")]
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static extern void gtksharp_cellrenderer_base_render (IntPtr handle, IntPtr window, IntPtr widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, Gtk.CellRendererState flags);
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[DllImport("gtksharpglue")]
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static extern void gtksharp_cellrenderer_override_render (GLib.GType gtype, RenderDelegate cb);
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delegate void RenderDelegate (IntPtr item, IntPtr window, IntPtr widget, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, ref Gdk.Rectangle expose_area, Gtk.CellRendererState flags);
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static RenderDelegate RenderCallback;
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static void Render_cb (IntPtr item, IntPtr window, IntPtr widget, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, ref Gdk.Rectangle expose_area, Gtk.CellRendererState flags)
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{
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CellRenderer obj = GLib.Object.GetObject (item, false) as CellRenderer;
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Gdk.Drawable wind = GLib.Object.GetObject (window, false) as Gdk.Drawable;
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Gtk.Widget widg = GLib.Object.GetObject (widget, false) as Gtk.Widget;
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obj.OnRender (wind, widg, background_area, cell_area, expose_area, flags);
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}
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protected static void OverrideRender (GLib.GType gtype)
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{
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if (RenderCallback == null)
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RenderCallback = new RenderDelegate (Render_cb);
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gtksharp_cellrenderer_override_render (gtype, RenderCallback);
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}
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protected virtual void OnRender (Gdk.Drawable window, Gtk.Widget widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, Gtk.CellRendererState flags)
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{
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gtksharp_cellrenderer_base_render (Handle, window.Handle, widget.Handle, background_area, cell_area, expose_area, flags);
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}
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@ -33,6 +33,7 @@ customs = \
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Adjustment.custom \
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Button.custom \
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Calendar.custom \
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CellRenderer.custom \
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CheckMenuItem.custom \
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Clipboard.custom \
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ColorSelection.custom \
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@ -3,6 +3,7 @@ lib_LTLIBRARIES = libgtksharpglue.la
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libgtksharpglue_la_SOURCES = \
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adjustment.c \
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button.c \
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cellrenderer.c \
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clipboard.c \
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colorseldialog.c \
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combo.c \
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50
gtk/glue/cellrenderer.c
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50
gtk/glue/cellrenderer.c
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@ -0,0 +1,50 @@
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/* cellrenderer.c : Glue for overriding pieces of GtkCellRenderer
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*
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* Author: Todd Berman (tberman@sevenl.net)
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*
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* Copyright (C) 2004 Todd Berman
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*/
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#include <gtk/gtkcellrenderer.h>
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void gtksharp_cellrenderer_base_get_size (GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height);
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void
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gtksharp_cellrenderer_base_get_size (GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height)
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{
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GtkCellRendererClass *parent = g_type_class_peek_parent (G_OBJECT_GET_CLASS (cell));
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if (parent->get_size)
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(*parent->get_size) (cell, widget, cell_area, x_offset, y_offset, width, height);
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}
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void gtksharp_cellrenderer_override_get_size (GType gtype, gpointer cb);
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void
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gtksharp_cellrenderer_override_get_size (GType gtype, gpointer cb)
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{
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GtkCellRendererClass *klass = g_type_class_peek (gtype);
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if (!klass)
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klass = g_type_class_ref (gtype);
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((GtkCellRendererClass *) klass)->get_size = cb;
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}
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void gtksharp_cellrenderer_base_render (GtkCellRenderer *cell, GdkDrawable *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, GtkCellRendererState flags);
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void
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gtksharp_cellrenderer_base_render (GtkCellRenderer *cell, GdkDrawable *window, GtkWidget *widget, GdkRectangle *background_area, GdkRectangle *cell_area, GdkRectangle *expose_area, GtkCellRendererState flags)
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{
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GtkCellRendererClass *parent = g_type_class_peek_parent (G_OBJECT_GET_CLASS (cell));
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if (parent->render)
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(*parent->render) (cell, window, widget, background_area, cell_area, expose_area, flags);
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}
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void gtksharp_cellrenderer_override_render (GType gtype, gpointer cb);
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void
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gtksharp_cellrenderer_override_render (GType gtype, gpointer cb)
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{
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GtkCellRendererClass *klass = g_type_class_peek (gtype);
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if (!klass)
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klass = g_type_class_ref (gtype);
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((GtkCellRendererClass *) klass)->render = cb;
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}
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150
sample/CustomCellRenderer.cs
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150
sample/CustomCellRenderer.cs
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// 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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static CustomCellRenderer ()
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{
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OverrideGetSize (GLib.Object.LookupGType (typeof (CustomCellRenderer)));
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OverrideRender (GLib.Object.LookupGType (typeof (CustomCellRenderer)));
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}
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protected override void OnGetSize (Widget widget, 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 * (this.Width - calc_width));
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x_offset = Math.Max (x_offset, 0);
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y_offset = (int) (this.Yalign * (this.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 OnRender (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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OnGetSize (widget, 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, "0.5");
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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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Gtk.Timeout.Add (50, new Gtk.Function (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, perc.ToString ());
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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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@ -24,7 +24,7 @@ VTE_TARGETS=
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VTE_ASSEMBLY=
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endif
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TARGETS = gtk-hello-world.exe button.exe calendar.exe subclass.exe menu.exe size.exe scribble.exe treeviewdemo.exe managedtreeviewdemo.exe testdnd.exe $(GNOME_TARGETS) $(GLADE_TARGETS) $(VTE_TARGETS)
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TARGETS = custom-cellrenderer.exe gtk-hello-world.exe button.exe calendar.exe subclass.exe menu.exe size.exe scribble.exe treeviewdemo.exe managedtreeviewdemo.exe testdnd.exe $(GNOME_TARGETS) $(GLADE_TARGETS) $(VTE_TARGETS)
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assemblies=../glib/glib-sharp.dll ../pango/pango-sharp.dll ../atk/atk-sharp.dll ../gdk/gdk-sharp.dll ../gtk/gtk-sharp.dll $(GNOME_ASSEMBLY) $(GLADE_ASSEMBLY) $(VTE_ASSEMBLY)
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references=$(addprefix -r , $(assemblies))
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@ -86,6 +86,9 @@ testdnd.exe: $(srcdir)/TestDnd.cs $(assemblies)
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vte-example.exe: $(srcdir)/VteTest.cs $(assemblies)
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$(CSC) -g --unsafe -o vte-example.exe $(references) $(srcdir)/VteTest.cs
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custom-cellrenderer.exe: $(srcdir)/CustomCellRenderer.cs $(assemblies)
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$(CSC) -g -o custom-cellrenderer.exe $(references) $(srcdir)/CustomCellRenderer.cs
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EXTRA_DIST = \
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HelloWorld.cs \
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GnomeHelloWorld.cs \
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@ -105,5 +108,5 @@ EXTRA_DIST = \
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test.glade \
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CairoSample.cs \
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TestDnd.cs \
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VteTest.cs
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VteTest.cs \
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CustomCellRenderer.cs
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