1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
8 // The above copyright notice and this permission notice shall be
9 // included in all copies or substantial portions of the Software.
11 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
12 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
13 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
14 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
15 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
16 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
17 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19 // Copyright (c) 2007 Novell, Inc.
22 // Geoff Norton <gnorton@novell.com>
27 using System.Runtime.InteropServices;
29 namespace System.Windows.Forms.CarbonInternal {
30 internal delegate int EventDelegate (IntPtr callref, IntPtr eventref, IntPtr user_data);
32 internal class EventHandler {
33 internal static EventDelegate EventHandlerDelegate = new EventDelegate (EventCallback);
34 internal static XplatUICarbon Driver;
36 internal const int EVENT_NOT_HANDLED = 0;
37 internal const int EVENT_HANDLED = -9874;
39 internal const uint kEventClassMouse = 1836021107;
40 internal const uint kEventClassKeyboard = 1801812322;
41 internal const uint kEventClassTextInput = 1952807028;
42 internal const uint kEventClassApplication = 1634758764;
43 internal const uint kEventClassAppleEvent = 1701867619;
44 internal const uint kEventClassMenu = 1835363957;
45 internal const uint kEventClassWindow = 2003398244;
46 internal const uint kEventClassControl = 1668183148;
47 internal const uint kEventClassCommand = 1668113523;
48 internal const uint kEventClassTablet = 1952607348;
49 internal const uint kEventClassVolume = 1987013664;
50 internal const uint kEventClassAppearance = 1634758765;
51 internal const uint kEventClassService = 1936028278;
52 internal const uint kEventClassToolbar = 1952604530;
53 internal const uint kEventClassToolbarItem = 1952606580;
54 internal const uint kEventClassAccessibility = 1633903461;
55 internal const uint kEventClassHIObject = 1751740258;
57 internal static EventTypeSpec [] HIObjectEvents = new EventTypeSpec [] {
58 new EventTypeSpec (kEventClassHIObject, HIObjectHandler.kEventHIObjectConstruct),
59 new EventTypeSpec (kEventClassHIObject, HIObjectHandler.kEventHIObjectInitialize),
60 new EventTypeSpec (kEventClassHIObject, HIObjectHandler.kEventHIObjectDestruct)
62 internal static EventTypeSpec [] ControlEvents = new EventTypeSpec [] {
63 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlBoundsChanged),
64 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlDraw),
65 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlDragEnter),
66 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlDragWithin),
67 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlDragLeave),
68 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlDragReceive),
69 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlGetFocusPart),
70 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlInitialize),
71 new EventTypeSpec (kEventClassControl, ControlHandler.kEventControlVisibilityChanged)
74 internal static EventTypeSpec [] ApplicationEvents = new EventTypeSpec[] {
75 new EventTypeSpec (kEventClassApplication, ApplicationHandler.kEventAppActivated),
76 new EventTypeSpec (kEventClassApplication, ApplicationHandler.kEventAppDeactivated)
79 private static EventTypeSpec [] WindowEvents = new EventTypeSpec[] {
80 new EventTypeSpec (kEventClassMouse, MouseHandler.kEventMouseMoved),
81 new EventTypeSpec (kEventClassMouse, MouseHandler.kEventMouseDragged),
82 new EventTypeSpec (kEventClassMouse, MouseHandler.kEventMouseDown),
83 new EventTypeSpec (kEventClassMouse, MouseHandler.kEventMouseUp),
85 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowBoundsChanged),
86 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowClose),
87 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowShown),
89 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyModifiersChanged),
90 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyDown),
91 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyRepeat),
92 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyUp)
95 internal static int EventCallback (IntPtr callref, IntPtr eventref, IntPtr handle) {
96 uint klass = GetEventClass (eventref);
97 uint kind = GetEventKind (eventref);
99 IEventHandler handler = null;
102 case kEventClassHIObject: {
103 handler = (IEventHandler) Driver.HIObjectHandler;
106 case kEventClassKeyboard:
107 handler = (IEventHandler) Driver.KeyboardHandler;
109 case kEventClassWindow:
110 handler = (IEventHandler) Driver.WindowHandler;
112 case kEventClassMouse:
113 handler = (IEventHandler) Driver.MouseHandler;
115 case kEventClassControl:
116 handler = (IEventHandler) Driver.ControlHandler;
118 case kEventClassApplication:
119 handler = (IEventHandler) Driver.ApplicationHandler;
122 return EVENT_NOT_HANDLED;
125 if (handler.ProcessEvent (callref, eventref, handle, kind, ref msg)) {
126 Driver.EnqueueMessage (msg);
127 return EVENT_HANDLED;
130 return EVENT_NOT_HANDLED;
133 internal static bool TranslateMessage (ref MSG msg) {
137 result = Driver.KeyboardHandler.TranslateMessage (ref msg);
139 result = Driver.MouseHandler.TranslateMessage (ref msg);
144 internal static void InstallApplicationHandler () {
145 InstallEventHandler (GetApplicationEventTarget (), EventHandlerDelegate, (uint)ApplicationEvents.Length, ApplicationEvents, IntPtr.Zero, IntPtr.Zero);
148 internal static void InstallControlHandler (IntPtr control) {
149 InstallEventHandler (GetControlEventTarget (control), EventHandlerDelegate, (uint)ControlEvents.Length, ControlEvents, control, IntPtr.Zero);
152 internal static void InstallWindowHandler (IntPtr window) {
153 InstallEventHandler (GetWindowEventTarget (window), EventHandlerDelegate, (uint)WindowEvents.Length, WindowEvents, window, IntPtr.Zero);
156 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
157 static extern IntPtr GetApplicationEventTarget ();
158 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
159 internal static extern IntPtr GetControlEventTarget (IntPtr control);
160 [DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
161 internal static extern IntPtr GetWindowEventTarget (IntPtr window);
163 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
164 static extern uint GetEventClass (IntPtr eventref);
165 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
166 static extern uint GetEventKind (IntPtr eventref);
168 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
169 static extern int InstallEventHandler (IntPtr window, EventDelegate event_handler, uint count, EventTypeSpec [] types, IntPtr user_data, IntPtr handlerref);