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barrier
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fixed PrintScrn handling; it was being changed to keypad multiply.

This commit is contained in:
crs 2002-08-18 17:35:10 +00:00
parent a0c2cd10dd
commit a4db7f0005
3 changed files with 39 additions and 5 deletions
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31
lib/client/CMSWindowsSecondaryScreen.cpp
View File

@ -596,6 +596,31 @@ CMSWindowsSecondaryScreen::mapKey(Keystrokes& keys, UINT& virtualKey,
}
}
// special handling of VK_SNAPSHOT
if ((virtualKey & 0xff) == VK_SNAPSHOT) {
// ignore key repeats on print screen
if (action != kRepeat) {
// get event flags
DWORD flags = 0;
if (isExtendedKey(virtualKey)) {
flags |= KEYEVENTF_EXTENDEDKEY;
}
if (action != kPress) {
flags |= KEYEVENTF_KEYUP;
}
// active window or fullscreen?
BYTE scan = 0;
if ((mask & KeyModifierAlt) == 0) {
scan = 1;
}
// send event
keybd_event(static_cast<BYTE>(virtualKey & 0xff), scan, flags, 0);
}
return m_mask;
}
// get output mask. default output mask carries over the current
// toggle modifier states and includes desired shift, control, alt,
// and meta states.
@ -992,7 +1017,7 @@ CMSWindowsSecondaryScreen::toggleKey(UINT virtualKey, KeyModifierMask mask)
}
UINT
CMSWindowsSecondaryScreen::virtualKeyToScanCode(UINT& virtualKey)
CMSWindowsSecondaryScreen::virtualKeyToScanCode(UINT& virtualKey) const
{
// try mapping given virtual key
UINT code = MapVirtualKey(virtualKey & 0xff, 0);
@ -1044,7 +1069,7 @@ CMSWindowsSecondaryScreen::virtualKeyToScanCode(UINT& virtualKey)
}
bool
CMSWindowsSecondaryScreen::isExtendedKey(UINT virtualKey)
CMSWindowsSecondaryScreen::isExtendedKey(UINT virtualKey) const
{
// see if we've already encoded the extended flag
if ((virtualKey & 0x100) != 0) {
@ -1079,5 +1104,5 @@ CMSWindowsSecondaryScreen::sendKeyEvent(UINT virtualKey, bool press)
const UINT code = virtualKeyToScanCode(virtualKey);
keybd_event(static_cast<BYTE>(virtualKey & 0xff),
static_cast<BYTE>(code), flags, 0);
log((CLOG_DEBUG2 "send key %d, 0x%04x, %s%s", virtualKey & 0xff, code, ((flags & KEYEVENTF_KEYUP) ? "release" : "press"), ((flags & KEYEVENTF_EXTENDEDKEY) ? " extended" : "")));
log((CLOG_DEBUG1 "send key %d, 0x%04x, %s%s", virtualKey & 0xff, code, ((flags & KEYEVENTF_KEYUP) ? "release" : "press"), ((flags & KEYEVENTF_EXTENDEDKEY) ? " extended" : "")));
}

4
lib/client/CMSWindowsSecondaryScreen.h
View File

@ -97,8 +97,8 @@ private:
void releaseKeys();
void toggleKey(UINT virtualKey, KeyModifierMask mask);
UINT virtualKeyToScanCode(UINT& virtualKey);
bool isExtendedKey(UINT virtualKey);
UINT virtualKeyToScanCode(UINT& virtualKey) const;
bool isExtendedKey(UINT virtualKey) const;
void sendKeyEvent(UINT virtualKey, bool press);
private:

9
lib/server/CMSWindowsPrimaryScreen.cpp
View File

@ -929,6 +929,15 @@ CMSWindowsPrimaryScreen::mapKey(
vkCode2 = vkCode;
}
// if the original vkCode is VK_SNAPSHOT then use it. oddly enough,
// some keyboards use the same scan code for keypad multiply and
// print screen. the difference is that the latter has the extended
// key flag set. but MapVirtualKey() doesn't seem capable of using
// that flag.
else if (vkCode == VK_SNAPSHOT) {
vkCode2 = vkCode;
}
// if MapVirtualKey failed then use original virtual key
else if (vkCode2 == 0) {
vkCode2 = vkCode;