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gdk: Use a Dictionary to hold the filter functions in Window class

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Bertrand Lorentz 2012-11-04 16:38:42 +01:00
parent eddc5fa796
commit 6ecd2d01f9
1 changed files with 21 additions and 19 deletions
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32
gdk/Window.cs
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@ -25,7 +25,7 @@
namespace Gdk { namespace Gdk {
using System; using System;
using System.Collections; using System.Collections.Generic;
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
public partial class Window { public partial class Window {
@ -119,11 +119,12 @@ namespace Gdk {
[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)] [DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gdk_window_remove_filter (IntPtr handle, GdkSharp.FilterFuncNative wrapper, IntPtr data); static extern void gdk_window_remove_filter (IntPtr handle, GdkSharp.FilterFuncNative wrapper, IntPtr data);
static Hashtable filter_all_hash; static IDictionary<FilterFunc, GdkSharp.FilterFuncWrapper> filter_all_hash;
static Hashtable FilterAllHash { static IDictionary<FilterFunc, GdkSharp.FilterFuncWrapper> FilterAllHash {
get { get {
if (filter_all_hash == null) if (filter_all_hash == null) {
filter_all_hash = new Hashtable (); filter_all_hash = new Dictionary<FilterFunc, GdkSharp.FilterFuncWrapper> ();
}
return filter_all_hash; return filter_all_hash;
} }
} }
@ -137,18 +138,19 @@ namespace Gdk {
public static void RemoveFilterForAll (FilterFunc func) public static void RemoveFilterForAll (FilterFunc func)
{ {
GdkSharp.FilterFuncWrapper wrapper = FilterAllHash [func] as GdkSharp.FilterFuncWrapper; GdkSharp.FilterFuncWrapper wrapper = null;
if (wrapper == null) if (FilterAllHash.TryGetValue (func, out wrapper)) {
return;
FilterAllHash.Remove (func); FilterAllHash.Remove (func);
gdk_window_remove_filter (IntPtr.Zero, wrapper.NativeDelegate, IntPtr.Zero); gdk_window_remove_filter (IntPtr.Zero, wrapper.NativeDelegate, IntPtr.Zero);
} }
}
public void AddFilter (FilterFunc function) public void AddFilter (FilterFunc function)
{ {
if (!Data.Contains ("filter_func_hash")) if (!Data.ContainsKey ("filter_func_hash")) {
Data ["filter_func_hash"] = new Hashtable (); Data ["filter_func_hash"] = new Dictionary<FilterFunc, GdkSharp.FilterFuncWrapper> ();
Hashtable hash = Data ["filter_func_hash"] as Hashtable; }
var hash = Data ["filter_func_hash"] as Dictionary<FilterFunc, GdkSharp.FilterFuncWrapper>;
GdkSharp.FilterFuncWrapper wrapper = new GdkSharp.FilterFuncWrapper (function); GdkSharp.FilterFuncWrapper wrapper = new GdkSharp.FilterFuncWrapper (function);
hash [function] = wrapper; hash [function] = wrapper;
gdk_window_add_filter (Handle, wrapper.NativeDelegate, IntPtr.Zero); gdk_window_add_filter (Handle, wrapper.NativeDelegate, IntPtr.Zero);
@ -156,13 +158,13 @@ namespace Gdk {
public void RemoveFilter (FilterFunc function) public void RemoveFilter (FilterFunc function)
{ {
Hashtable hash = Data ["filter_func_hash"] as Hashtable; var hash = Data ["filter_func_hash"] as Dictionary<FilterFunc, GdkSharp.FilterFuncWrapper>;
GdkSharp.FilterFuncWrapper wrapper = hash [function] as GdkSharp.FilterFuncWrapper; GdkSharp.FilterFuncWrapper wrapper = null;
if (wrapper == null) if (hash.TryGetValue (function, out wrapper)) {
return;
hash.Remove (function); hash.Remove (function);
gdk_window_remove_filter (Handle, wrapper.NativeDelegate, IntPtr.Zero); gdk_window_remove_filter (Handle, wrapper.NativeDelegate, IntPtr.Zero);
} }
}
#if MANLY_ENOUGH_TO_INCLUDE #if MANLY_ENOUGH_TO_INCLUDE
public Cairo.Graphics CairoGraphics (out int offset_x, out int offset_y) public Cairo.Graphics CairoGraphics (out int offset_x, out int offset_y)