1 /*
2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2007-2008 Torch Mobile Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "PlatformMouseEvent.h"
29
30 #include <wtf/Assertions.h>
31 #include <windows.h>
32 #include <windowsx.h>
33
34 namespace WebCore {
35
36 #define HIGH_BIT_MASK_SHORT 0x8000
37
positionForEvent(HWND hWnd,LPARAM lParam)38 static IntPoint positionForEvent(HWND hWnd, LPARAM lParam)
39 {
40 POINT point = {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
41 return point;
42 }
43
globalPositionForEvent(HWND hWnd,LPARAM lParam)44 static IntPoint globalPositionForEvent(HWND hWnd, LPARAM lParam)
45 {
46 POINT point = {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
47 ClientToScreen(hWnd, &point);
48 return point;
49 }
50
messageToEventType(UINT message)51 static MouseEventType messageToEventType(UINT message)
52 {
53 switch (message) {
54 case WM_LBUTTONDBLCLK:
55 case WM_RBUTTONDBLCLK:
56 case WM_MBUTTONDBLCLK:
57 //MSDN docs say double click is sent on mouse down
58 case WM_LBUTTONDOWN:
59 case WM_RBUTTONDOWN:
60 case WM_MBUTTONDOWN:
61 return MouseEventPressed;
62
63 case WM_LBUTTONUP:
64 case WM_RBUTTONUP:
65 case WM_MBUTTONUP:
66 return MouseEventReleased;
67
68 #if !OS(WINCE)
69 case WM_MOUSELEAVE:
70 #endif
71 case WM_MOUSEMOVE:
72 return MouseEventMoved;
73
74 default:
75 ASSERT_NOT_REACHED();
76 //Move is relatively harmless
77 return MouseEventMoved;
78 }
79 }
PlatformMouseEvent(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam,bool activatedWebView)80 PlatformMouseEvent::PlatformMouseEvent(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam, bool activatedWebView)
81 : m_position(positionForEvent(hWnd, lParam))
82 , m_globalPosition(globalPositionForEvent(hWnd, lParam))
83 , m_clickCount(0)
84 , m_shiftKey(wParam & MK_SHIFT)
85 , m_ctrlKey(wParam & MK_CONTROL)
86 , m_altKey(GetKeyState(VK_MENU) & HIGH_BIT_MASK_SHORT)
87 , m_metaKey(m_altKey) // FIXME: We'll have to test other browsers
88 , m_activatedWebView(activatedWebView)
89 , m_eventType(messageToEventType(message))
90 , m_modifierFlags(wParam)
91 {
92 m_timestamp = ::GetTickCount()*0.001; // GetTickCount returns milliseconds
93
94 switch (message) {
95 case WM_LBUTTONDOWN:
96 case WM_LBUTTONUP:
97 case WM_LBUTTONDBLCLK:
98 m_button = LeftButton;
99 break;
100 case WM_RBUTTONDOWN:
101 case WM_RBUTTONUP:
102 case WM_RBUTTONDBLCLK:
103 m_button = RightButton;
104 break;
105 case WM_MBUTTONDOWN:
106 case WM_MBUTTONUP:
107 case WM_MBUTTONDBLCLK:
108 m_button = MiddleButton;
109 break;
110 case WM_MOUSEMOVE:
111 #if !OS(WINCE)
112 case WM_MOUSELEAVE:
113 #endif
114 if (wParam & MK_LBUTTON)
115 m_button = LeftButton;
116 else if (wParam & MK_MBUTTON)
117 m_button = MiddleButton;
118 else if (wParam & MK_RBUTTON)
119 m_button = RightButton;
120 else
121 m_button = NoButton;
122 break;
123 default:
124 ASSERT_NOT_REACHED();
125 }
126 }
127
128 } // namespace WebCore
129