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),
84 new EventTypeSpec (kEventClassMouse, MouseHandler.kEventMouseWheelMoved),
85 new EventTypeSpec (kEventClassMouse, MouseHandler.kEventMouseScroll),
87 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowDeactivated),
88 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowActivated),
89 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowDeactivated),
90 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowCollapsing),
91 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowExpanding),
92 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowBoundsChanged),
93 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowResizeStarted),
94 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowResizeCompleted),
95 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowClose),
96 new EventTypeSpec (kEventClassWindow, WindowHandler.kEventWindowShown),
98 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyModifiersChanged),
99 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyDown),
100 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyRepeat),
101 new EventTypeSpec (kEventClassKeyboard, KeyboardHandler.kEventRawKeyUp),
102 new EventTypeSpec (kEventClassTextInput, KeyboardHandler.kEventTextInputUnicodeForKeyEvent)
105 internal static int EventCallback (IntPtr callref, IntPtr eventref, IntPtr handle) {
106 uint klass = GetEventClass (eventref);
107 uint kind = GetEventKind (eventref);
108 MSG msg = new MSG ();
109 IEventHandler handler = null;
112 case kEventClassHIObject: {
113 handler = (IEventHandler) Driver.HIObjectHandler;
116 case kEventClassKeyboard:
117 case kEventClassTextInput:
118 handler = (IEventHandler) Driver.KeyboardHandler;
120 case kEventClassWindow:
121 handler = (IEventHandler) Driver.WindowHandler;
123 case kEventClassMouse:
124 handler = (IEventHandler) Driver.MouseHandler;
126 case kEventClassControl:
127 handler = (IEventHandler) Driver.ControlHandler;
129 case kEventClassApplication:
130 handler = (IEventHandler) Driver.ApplicationHandler;
133 return EVENT_NOT_HANDLED;
136 if (handler.ProcessEvent (callref, eventref, handle, kind, ref msg)) {
137 Driver.EnqueueMessage (msg);
138 return EVENT_HANDLED;
141 return EVENT_NOT_HANDLED;
144 internal static bool TranslateMessage (ref MSG msg) {
148 result = Driver.KeyboardHandler.TranslateMessage (ref msg);
150 result = Driver.MouseHandler.TranslateMessage (ref msg);
155 internal static void InstallApplicationHandler () {
156 InstallEventHandler (GetApplicationEventTarget (), EventHandlerDelegate, (uint)ApplicationEvents.Length, ApplicationEvents, IntPtr.Zero, IntPtr.Zero);
159 internal static void InstallControlHandler (IntPtr control) {
160 InstallEventHandler (GetControlEventTarget (control), EventHandlerDelegate, (uint)ControlEvents.Length, ControlEvents, control, IntPtr.Zero);
163 internal static void InstallWindowHandler (IntPtr window) {
164 InstallEventHandler (GetWindowEventTarget (window), EventHandlerDelegate, (uint)WindowEvents.Length, WindowEvents, window, IntPtr.Zero);
167 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
168 static extern IntPtr GetApplicationEventTarget ();
169 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
170 internal static extern IntPtr GetControlEventTarget (IntPtr control);
171 [DllImport("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
172 internal static extern IntPtr GetWindowEventTarget (IntPtr window);
174 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
175 internal static extern uint GetEventClass (IntPtr eventref);
176 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
177 static extern uint GetEventKind (IntPtr eventref);
179 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
180 static extern int InstallEventHandler (IntPtr window, EventDelegate event_handler, uint count, EventTypeSpec [] types, IntPtr user_data, IntPtr handlerref);