/**
* Handles all keyboard input.
* @param vkCode the key pressed
* @param bKeyDown <code>true</code> if the key is pressed, else it is released
* @param sender the window that send the keyboard messages
*/
bool ApplicationBase::HandleKeyboard(unsigned int vkCode, bool bKeyDown, BaseGLWindow* sender)
{
auto handled = 0;
static unsigned __int64 s_PrevKeyDown = 0;
static __int64 s_PrevKeyDownMod = 0;
static auto s_PrevKeyDownHandled = 0;
auto kmod = 0;
auto testkp = 0;
auto k = 0;
auto twVKCode = vkCode == VK_NUMRETURN ? VK_RETURN : vkCode;
if (sender->GetKeyboardModState(VK_MOD_SHIFT)) kmod |= TW_KMOD_SHIFT;
if (sender->GetKeyboardModState(VK_MOD_CTRL)) {
kmod |= TW_KMOD_CTRL; testkp = 1;
}
if (sender->GetKeyboardModState(VK_MOD_MENU)) {
kmod |= TW_KMOD_ALT; testkp = 1;
}
if (twVKCode >= VK_F1 && twVKCode <= VK_F15)
k = TW_KEY_F1 + (twVKCode - VK_F1);
else if (testkp && twVKCode >= VK_NUMPAD0 && twVKCode <= VK_NUMPAD9)
k = '0' + (twVKCode - VK_NUMPAD0);
else switch (twVKCode)
{
case VK_UP:
k = TW_KEY_UP;
break;
case VK_DOWN:
k = TW_KEY_DOWN;
break;
case VK_LEFT:
k = TW_KEY_LEFT;
break;
case VK_RIGHT:
k = TW_KEY_RIGHT;
break;
case VK_INSERT:
k = TW_KEY_INSERT;
break;
case VK_DELETE:
k = TW_KEY_DELETE;
break;
case VK_PRIOR:
k = TW_KEY_PAGE_UP;
break;
case VK_NEXT:
k = TW_KEY_PAGE_DOWN;
break;
case VK_HOME:
k = TW_KEY_HOME;
break;
case VK_END:
k = TW_KEY_END;
break;
case VK_DIVIDE:
if (testkp)
k = '/';
break;
case VK_MULTIPLY:
if (testkp)
k = '*';
break;
case VK_SUBTRACT:
if (testkp)
k = '-';
break;
case VK_ADD:
if (testkp)
k = '+';
break;
case VK_DECIMAL:
if (testkp)
k = '.';
break;
default:
if ((kmod&TW_KMOD_CTRL) && (kmod&TW_KMOD_ALT))
k = MapVirtualKey(twVKCode, 2) & 0x0000FFFF;
}
if (bKeyDown) {
if (k != 0)
handled = TwKeyPressed(k, kmod);
else
{
// if the key will be handled at next WM_CHAR report this event as handled
auto key = static_cast<int>(MapVirtualKey(twVKCode, 2) & 0xff);
if (kmod&TW_KMOD_CTRL && key > 0 && key < 27)
key += 'a' - 1;
if (key > 0 && key < 256)
handled = TwKeyPressed(key, kmod);
}
s_PrevKeyDown = twVKCode;
s_PrevKeyDownMod = kmod;
s_PrevKeyDownHandled = handled;
} else {
// if the key has been handled at previous WM_KEYDOWN report this event as handled
if (s_PrevKeyDown == twVKCode && s_PrevKeyDownMod == kmod)
handled = s_PrevKeyDownHandled;
else
{
// if the key would have been handled report this event as handled
auto key = static_cast<int>(MapVirtualKey(twVKCode, 2) & 0xff);
if (kmod&TW_KMOD_CTRL && key > 0 && key < 27)
key += 'a' - 1;
if (key > 0 && key < 256)
handled = TwKeyTest(key, kmod);
}
// reset previous keydown
s_PrevKeyDown = 0;
s_PrevKeyDownMod = 0;
s_PrevKeyDownHandled = 0;
}
if (bKeyDown && handled == 0) {
switch (vkCode)
{
case VK_ESCAPE:
this->win.CloseWindow();
handled = 1;
break;
case VK_F9:
this->programManager->RecompileAll();
handled = 1;
break;
}
}
if (handled == 0 && IsRunning() && !IsPaused()) handled = cameraView->HandleKeyboard(vkCode, bKeyDown, sender);
return handled == 1;
}
// TwEventWin returns zero if msg has not been handled,
// and a non-zero value if it has been handled by the AntTweakBar library.
int TW_CALL TwEventWin(void *wnd, unsigned int msg, unsigned PARAM_INT _W64 wParam, PARAM_INT _W64 lParam)
{
int handled = 0;
static unsigned PARAM_INT s_PrevKeyDown = 0;
static PARAM_INT s_PrevKeyDownMod = 0;
static int s_PrevKeyDownHandled = 0;
switch( msg )
{
case WM_MOUSEMOVE:
// send signed! mouse coordinates
handled = TwMouseMotion((short)LOWORD(lParam), (short)HIWORD(lParam));
break;
case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK:
SetCapture(wnd);
handled = TwMouseButton(TW_MOUSE_PRESSED, TW_MOUSE_LEFT);
break;
case WM_LBUTTONUP:
ReleaseCapture();
handled = TwMouseButton(TW_MOUSE_RELEASED, TW_MOUSE_LEFT);
break;
case WM_MBUTTONDOWN:
case WM_MBUTTONDBLCLK:
SetCapture(wnd);
handled = TwMouseButton(TW_MOUSE_PRESSED, TW_MOUSE_MIDDLE);
break;
case WM_MBUTTONUP:
ReleaseCapture();
handled = TwMouseButton(TW_MOUSE_RELEASED, TW_MOUSE_MIDDLE);
break;
case WM_RBUTTONDOWN:
case WM_RBUTTONDBLCLK:
SetCapture(wnd);
handled = TwMouseButton(TW_MOUSE_PRESSED, TW_MOUSE_RIGHT);
break;
case WM_RBUTTONUP:
ReleaseCapture();
handled = TwMouseButton(TW_MOUSE_RELEASED, TW_MOUSE_RIGHT);
break;
case WM_CHAR:
case WM_SYSCHAR:
{
int key = (int)(wParam&0xff);
int kmod = 0;
if( GetAsyncKeyState(VK_SHIFT)<0 )
kmod |= TW_KMOD_SHIFT;
if( GetAsyncKeyState(VK_CONTROL)<0 )
{
kmod |= TW_KMOD_CTRL;
if( key>0 && key<27 )
key += 'a'-1;
}
if( GetAsyncKeyState(VK_MENU)<0 )
kmod |= TW_KMOD_ALT;
if( key>0 && key<256 )
handled = TwKeyPressed(key, kmod);
}
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
{
int kmod = 0;
int testkp = 0;
int k = 0;
if( GetAsyncKeyState(VK_SHIFT)<0 )
kmod |= TW_KMOD_SHIFT;
if( GetAsyncKeyState(VK_CONTROL)<0 )
{
kmod |= TW_KMOD_CTRL;
testkp = 1;
}
if( GetAsyncKeyState(VK_MENU)<0 )
{
kmod |= TW_KMOD_ALT;
testkp = 1;
}
if( wParam>=VK_F1 && wParam<=VK_F15 )
k = TW_KEY_F1 + ((int)wParam-VK_F1);
else if( testkp && wParam>=VK_NUMPAD0 && wParam<=VK_NUMPAD9 )
k = '0' + ((int)wParam-VK_NUMPAD0);
else
{
switch( wParam )
{
case VK_UP:
k = TW_KEY_UP;
break;
case VK_DOWN:
k = TW_KEY_DOWN;
break;
case VK_LEFT:
k = TW_KEY_LEFT;
break;
case VK_RIGHT:
k = TW_KEY_RIGHT;
break;
case VK_INSERT:
k = TW_KEY_INSERT;
break;
case VK_DELETE:
k = TW_KEY_DELETE;
break;
case VK_PRIOR:
k = TW_KEY_PAGE_UP;
break;
case VK_NEXT:
k = TW_KEY_PAGE_DOWN;
break;
case VK_HOME:
k = TW_KEY_HOME;
break;
case VK_END:
k = TW_KEY_END;
break;
case VK_DIVIDE:
if( testkp )
k = '/';
break;
case VK_MULTIPLY:
if( testkp )
k = '*';
break;
case VK_SUBTRACT:
if( testkp )
k = '-';
break;
case VK_ADD:
if( testkp )
k = '+';
break;
case VK_DECIMAL:
if( testkp )
k = '.';
break;
default:
if( (kmod&TW_KMOD_CTRL) && (kmod&TW_KMOD_ALT) )
k = MapVirtualKey( (UINT)wParam, 2 ) & 0x0000FFFF;
}
}
if( k!=0 )
handled = TwKeyPressed(k, kmod);
else
{
// if the key will be handled at next WM_CHAR report this event as handled
int key = (int)(wParam&0xff);
if( kmod&TW_KMOD_CTRL && key>0 && key<27 )
key += 'a'-1;
if( key>0 && key<256 )
handled = TwKeyTest(key, kmod);
}
s_PrevKeyDown = wParam;
s_PrevKeyDownMod = kmod;
s_PrevKeyDownHandled = handled;
}
break;
case WM_KEYUP:
case WM_SYSKEYUP:
{
int kmod = 0;
if( GetAsyncKeyState(VK_SHIFT)<0 )
kmod |= TW_KMOD_SHIFT;
if( GetAsyncKeyState(VK_CONTROL)<0 )
kmod |= TW_KMOD_CTRL;
if( GetAsyncKeyState(VK_MENU)<0 )
kmod |= TW_KMOD_ALT;
// if the key has been handled at previous WM_KEYDOWN report this event as handled
if( s_PrevKeyDown==wParam && s_PrevKeyDownMod==kmod )
handled = s_PrevKeyDownHandled;
else
{
// if the key would have been handled report this event as handled
int key = (int)(wParam&0xff);
if( kmod&TW_KMOD_CTRL && key>0 && key<27 )
key += 'a'-1;
if( key>0 && key<256 )
handled = TwKeyTest(key, kmod);
}
// reset previous keydown
s_PrevKeyDown = 0;
s_PrevKeyDownMod = 0;
s_PrevKeyDownHandled = 0;
}
break;
case WM_MOUSEWHEEL:
{
static int s_WheelPos = 0;
s_WheelPos += ((short)HIWORD(wParam))/WHEEL_DELTA;
handled = TwMouseWheel(s_WheelPos);
}
break;
case WM_SIZE:
// tell the new size to AntTweakBar
TwWindowSize(LOWORD(lParam), HIWORD(lParam));
// do not set 'handled', WM_SIZE may be also processed by the calling application
break;
}
if( handled )
// Event has been handled by AntTweakBar, so we invalidate the window
// content to send a WM_PAINT which will redraw the tweak bar(s).
InvalidateRect(wnd, NULL, FALSE);
return handled;
}