зеркало из https://github.com/mozilla/pjs.git
Fixed key event support
This commit is contained in:
rods%netscape.com
Родитель
6d4d3b4eb9
Коммит
0547d59b77
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@ -1354,53 +1354,6 @@ BOOL nsWindow::CallMethod(MethodInfo *info)
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return bRet;
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}
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//-------------------------------------------------------------------------
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//
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// OnKey
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//
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//-------------------------------------------------------------------------
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PRBool nsWindow::OnKey(PRUint32 aEventType, PRBool aCalcCharCode, TCHAR aCharCode, UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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if (nChar == NS_VK_CAPS_LOCK ||
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nChar == NS_VK_ALT ||
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nChar == NS_VK_SHIFT ||
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nChar == NS_VK_CONTROL) {
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return FALSE;
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}
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nsKeyEvent event;
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nsPoint point;
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point.x = 0;
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point.y = 0;
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InitEvent(event, aEventType, &point);
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if (aCalcCharCode) {
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// Now let windows do the conversion to the ascii code
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WORD asciiChar = 0;
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BYTE kbstate[256];
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::GetKeyboardState(kbstate);
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ToAscii(nChar, nFlags & 0xff, kbstate, &asciiChar, 0);
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event.charCode = (char)asciiChar;
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} else {
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event.charCode = aCharCode;
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}
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event.keyCode = nChar;
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//printf("charCode %d keyCode %d\n", event.charCode, event.keyCode);
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event.isShift = mIsShiftDown;
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event.isControl = mIsControlDown;
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event.isAlt = mIsAltDown;
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event.eventStructType = NS_KEY_EVENT;
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PRBool result = DispatchWindowEvent(&event);
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NS_RELEASE(event.widget);
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return result;
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}
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//-------------------------------------------------------------------------
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void nsWindow::SetUpForPaint(HDC aHDC)
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{
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@ -1821,6 +1774,309 @@ NS_METHOD nsWindow::EnableFileDrop(PRBool aEnable)
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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//
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// OnKey
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//
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//-------------------------------------------------------------------------
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PRBool nsWindow::DispatchKeyEvent(PRUint32 aEventType, WORD aCharCode, UINT aVirtualCharCode)
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{
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nsKeyEvent event;
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nsPoint point;
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point.x = 0;
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point.y = 0;
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InitEvent(event, aEventType, &point); // this add ref's event.widget
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event.charCode = aCharCode;
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event.keyCode = aVirtualCharCode;
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//printf("Type: %s charCode %d keyCode %d ", (aEventType == NS_KEY_UP?"Up":"Down"), event.charCode, event.keyCode);
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//printf("Shift: %s Control %s Alt: %s \n", (mIsShiftDown?"D":"U"), (mIsControlDown?"D":"U"), (mIsAltDown?"D":"U"));
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event.isShift = mIsShiftDown;
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event.isControl = mIsControlDown;
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event.isAlt = mIsAltDown;
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event.eventStructType = NS_KEY_EVENT;
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PRBool result = DispatchWindowEvent(&event);
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NS_RELEASE(event.widget);
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return result;
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}
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//-----------------------------------------------------
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static BOOL IsKeypadKey(UINT vCode, long isExtended)
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{
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switch (vCode) {
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case VK_HOME:
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case VK_END:
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case VK_PRIOR:
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case VK_NEXT:
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case VK_UP:
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case VK_DOWN:
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case VK_LEFT:
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case VK_RIGHT:
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case VK_CLEAR:
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case VK_INSERT:
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// extended are not keypad keys
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if (isExtended)
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break;
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case VK_NUMPAD0:
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case VK_NUMPAD1:
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case VK_NUMPAD2:
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case VK_NUMPAD3:
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case VK_NUMPAD4:
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case VK_NUMPAD5:
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case VK_NUMPAD6:
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case VK_NUMPAD7:
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case VK_NUMPAD8:
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case VK_NUMPAD9:
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return TRUE;
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}
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return FALSE;
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}
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//-------------------------------------------------------------------------
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//
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// return
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// EXTENDED_KEY for extended keys supported by java
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// SPECIAL_KEY for extended keys
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// DONT_PROCESS_KEY for extended keys of no interest (never exposed to java)
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// STANDARD_KEY for standard keys
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//
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//-------------------------------------------------------------------------
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#define STANDARD_KEY 1
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#define EXTENDED_KEY 2
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#define SPECIAL_KEY 3
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#define DONT_PROCESS_KEY 4
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//-------------------------------------------------------------------------
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ULONG nsWindow::IsSpecialChar(UINT aVirtualKeyCode, WORD *aAsciiKey)
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{
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ULONG keyType = EXTENDED_KEY;
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*aAsciiKey = 0;
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// Process non-standard Control Keys
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if (mIsControlDown && !mIsShiftDown && !mIsAltDown &&
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((aVirtualKeyCode >= 0x30 && aVirtualKeyCode <= 0x39) || // 0-9
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(aVirtualKeyCode >= 0xBA && aVirtualKeyCode <= 0xC0) || // ;=,-./` (semi-colon,equals,comma,dash,period,slash,back tick)
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(aVirtualKeyCode == 0xDE))) { // ' (tick)
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*aAsciiKey = aVirtualKeyCode;
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return SPECIAL_KEY;
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}
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//printf("*********************** 0x%x\n", aVirtualKeyCode);
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switch (aVirtualKeyCode) {
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case VK_TAB:
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case VK_HOME:
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case VK_END:
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case VK_PRIOR:
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case VK_NEXT:
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case VK_UP:
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case VK_DOWN:
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case VK_LEFT:
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case VK_RIGHT:
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case VK_F1:
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case VK_F2:
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case VK_F3:
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case VK_F4:
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case VK_F5:
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case VK_F6:
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case VK_F7:
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case VK_F8:
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case VK_F9:
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case VK_F10:
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case VK_F11:
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case VK_F12:
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*aAsciiKey = aVirtualKeyCode;
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break;
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case VK_DELETE:
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*aAsciiKey = '\177';
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keyType = SPECIAL_KEY;
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break;
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case VK_RETURN:*aAsciiKey = '\n';
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keyType = SPECIAL_KEY;
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break;
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case VK_MENU:
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keyType = DONT_PROCESS_KEY;
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break;
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default:
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keyType = STANDARD_KEY;
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break;
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}
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return keyType;
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}
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//-------------------------------------------------------------------------
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//
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// change the virtual key coming from windows into an ascii code
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//
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//-------------------------------------------------------------------------
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BOOL TranslateToAscii(BYTE *aKeyState,
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UINT aVirtualKeyCode,
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UINT aScanCode,
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WORD *aAsciiKey)
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{
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WORD asciiBuf;
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BOOL bIsExtended;
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bIsExtended = TRUE;
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*aAsciiKey = 0;
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switch (aVirtualKeyCode) {
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case VK_TAB:
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case VK_HOME:
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case VK_END:
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case VK_PRIOR:
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case VK_NEXT:
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case VK_UP:
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case VK_DOWN:
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case VK_LEFT:
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case VK_RIGHT:
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case VK_F1:
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case VK_F2:
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case VK_F3:
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case VK_F4:
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case VK_F5:
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case VK_F6:
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case VK_F7:
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case VK_F8:
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case VK_F9:
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case VK_F10:
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case VK_F11:
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case VK_F12:
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*aAsciiKey = aVirtualKeyCode;
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break;
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case VK_DELETE:
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*aAsciiKey = '\177';
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bIsExtended = FALSE;
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break;
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case VK_RETURN:
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*aAsciiKey = '\n';
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bIsExtended = FALSE;
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break;
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default:
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bIsExtended = FALSE;
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if (::ToAscii(aVirtualKeyCode, aScanCode, aKeyState, &asciiBuf, FALSE) == 1) {
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*aAsciiKey = (char)asciiBuf;
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}
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break;
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}
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return bIsExtended;
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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BOOL nsWindow::OnKeyDown( UINT aVirtualKeyCode, UINT aScanCode)
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{
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WORD asciiKey;
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asciiKey = 0;
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switch (IsSpecialChar(aVirtualKeyCode, &asciiKey)) {
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case EXTENDED_KEY:
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break;
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// special keys don't generate an action but don't even go
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// through WM_CHAR
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case SPECIAL_KEY:
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break;
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// standard keys are processed through WM_CHAR
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case STANDARD_KEY:
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asciiKey = 0; // just to be paranoid
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break;
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}
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//printf("In OnKeyDown ascii %d virt: %d scan: %d\n", asciiKey, aVirtualKeyCode, aScanCode);
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// if we enter this if statement we expect not to get a WM_CHAR
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if (asciiKey) {
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//printf("Dispatching Key Down [%d]\n", asciiKey);
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DispatchKeyEvent(NS_KEY_DOWN, asciiKey, aVirtualKeyCode);
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return TRUE;
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}
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// always let the def proc process a WM_KEYDOWN
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return FALSE;
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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BOOL nsWindow::OnKeyUp( UINT aVirtualKeyCode, UINT aScanCode)
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{
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WORD asciiKey;
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asciiKey = 0;
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switch (IsSpecialChar(aVirtualKeyCode, &asciiKey)) {
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case EXTENDED_KEY:
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break;
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case STANDARD_KEY: {
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BYTE keyState[256];
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::GetKeyboardState(keyState);
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::ToAscii(aVirtualKeyCode, aScanCode, keyState, &asciiKey, FALSE);
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} break;
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case SPECIAL_KEY:
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break;
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} // switch
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if (asciiKey) {
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//printf("Dispatching Key Up [%d]\n", asciiKey);
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DispatchKeyEvent(NS_KEY_UP, asciiKey, aVirtualKeyCode);
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return TRUE;
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}
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// always let the def proc process a WM_KEYUP
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return FALSE;
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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BOOL nsWindow::OnChar( UINT aVirtualKeyCode )
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{
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// if we get a '\n', ignore it because we already processed it in OnKeyDown.
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// This is the safest assumption since not always pressing enter produce a WM_CHAR
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//if (IsDBCSLeadByte(aVirtualKeyCode) || aVirtualKeyCode == 0xD /*'\n'*/ ) {
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// return FALSE;
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//}
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//printf("OnChar (KeyDown) %d\n", aVirtualKeyCode);
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DispatchKeyEvent(NS_KEY_DOWN, aVirtualKeyCode, aVirtualKeyCode);
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return TRUE;
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}
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//-------------------------------------------------------------------------
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//
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// Process all nsWindows messages
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@ -1925,48 +2181,46 @@ PRBool nsWindow::ProcessMessage(UINT msg, WPARAM wParam, LPARAM lParam, LRESULT
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result = OnPaint();
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break;
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case WM_SYSCHAR:
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case WM_CHAR:
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printf("Doing WM_CHAR\n");
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mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT);
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mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL);
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mIsAltDown = IS_VK_DOWN(NS_VK_ALT);
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if (!mIMEIsComposing)
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result = OnKey(NS_KEY_DOWN, FALSE, wParam, vkKeyCached, LOWORD(lParam), HIWORD(lParam));
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result = OnChar(wParam);
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else
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result = PR_FALSE;
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break;
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// Let ths fall through if it isn't a key pad
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case WM_SYSKEYUP:
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// if it's a keypad key don't process a WM_CHAR will come or...oh well...
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if (IsKeypadKey(wParam, lParam & 0x01000000)) {
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result = PR_TRUE;
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break;
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}
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case WM_KEYUP:
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mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT);
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mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL);
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mIsAltDown = IS_VK_DOWN(NS_VK_ALT);
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if (!mIMEIsComposing)
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result = OnKey(NS_KEY_UP, TRUE, 0, wParam, LOWORD(lParam), HIWORD(lParam));
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result = OnKeyUp(wParam, (HIWORD(lParam) & 0xFF));
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else
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result = PR_FALSE;
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break;
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case WM_KEYDOWN:
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{
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// Cache the key code when it is regular chars
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vkKeyCached = (UINT)wParam;
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case WM_KEYDOWN: {
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mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT);
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mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL);
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mIsAltDown = IS_VK_DOWN(NS_VK_ALT);
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// Tab and return keys do not generate WM_CHAR events
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if (vkKeyCached == 9 ||
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vkKeyCached == 13) {
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mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT);
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mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL);
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mIsAltDown = IS_VK_DOWN(NS_VK_ALT);
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if (!mIMEIsComposing)
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result = OnKey(NS_KEY_DOWN, TRUE, 0, wParam, LOWORD(lParam), HIWORD(lParam));
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else
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result = PR_FALSE;
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} else {
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//these are handled by WM_CHAR
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result = PR_FALSE;
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}
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if (!mIMEIsComposing)
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result = OnKeyDown(wParam, (HIWORD(lParam) & 0xFF));
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else
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result = PR_FALSE;
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}
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break;
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@ -2330,7 +2584,7 @@ PRBool nsWindow::ProcessMessage(UINT msg, WPARAM wParam, LPARAM lParam, LRESULT
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kIClipboardIID,
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(nsISupports **)&clipboard);
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clipboard->EmptyClipboard();
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NS_RELEASE(clipboard);
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nsServiceManager::ReleaseService(kCClipboardCID, clipboard);
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} break;
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}
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@ -164,7 +164,12 @@ protected:
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virtual PRBool OnMove(PRInt32 aX, PRInt32 aY);
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virtual PRBool OnPaint();
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virtual PRBool OnResize(nsRect &aWindowRect);
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virtual PRBool OnKey(PRUint32 aEventType, PRBool aCalcCharCode, TCHAR aCharCode, UINT nChar, UINT nRepCnt, UINT nFlags);
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BOOL OnChar(UINT aVirtualKeyCode);
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BOOL OnKeyDown( UINT aVirtualKeyCode, UINT aScanCode);
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BOOL OnKeyUp( UINT aVirtualKeyCode, UINT aScanCode);
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ULONG IsSpecialChar(UINT aVirtualKeyCode, WORD *aAsciiKey);
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virtual PRBool DispatchKeyEvent(PRUint32 aEventType, WORD aCharCode, UINT aVirtualCharCode);
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virtual PRBool DispatchFocus(PRUint32 aEventType);
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virtual PRBool OnScroll(UINT scrollCode, int cPos);
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