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Implementing feature request #2840239: Windows special keys added (ctrl, shift and alt)

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@868 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
fayjf 2010-01-04 04:44:34 +00:00
parent 860aa2a786
commit 4942803265
1 changed files with 127 additions and 0 deletions
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127
freeglut/freeglut/src/freeglut_main.c
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@ -1573,6 +1573,9 @@ static int fghGetWin32Modifiers (void)
LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam )
{
static unsigned char lControl = 0, rControl = 0, lShift = 0,
rShift = 0, lAlt = 0, rAlt = 0;
SFG_Window* window;
PAINTSTRUCT ps;
LRESULT lRet = 1;
@ -1586,6 +1589,118 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
/* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
uMsg, wParam, lParam ); */
/* Checking for CTRL, ALT, and SHIFT key positions: Key Down! */
if ( !lControl && GetAsyncKeyState ( VK_LCONTROL ) )
{
INVOKE_WCB ( *window, Special,
( GLUT_KEY_CTRL_L, window->State.MouseX, window->State.MouseY )
);
lControl = 1;
}
if ( !rControl && GetAsyncKeyState ( VK_RCONTROL ) )
{
INVOKE_WCB ( *window, Special,
( GLUT_KEY_CTRL_R, window->State.MouseX, window->State.MouseY )
);
rControl = 1;
}
if ( !lShift && GetAsyncKeyState ( VK_LSHIFT ) )
{
INVOKE_WCB ( *window, Special,
( GLUT_KEY_SHIFT_L, window->State.MouseX, window->State.MouseY )
);
lShift = 1;
}
if ( !rShift && GetAsyncKeyState ( VK_RSHIFT ) )
{
INVOKE_WCB ( *window, Special,
( GLUT_KEY_SHIFT_R, window->State.MouseX, window->State.MouseY )
);
rShift = 1;
}
if ( !lAlt && GetAsyncKeyState ( VK_LMENU ) )
{
INVOKE_WCB ( *window, Special,
( GLUT_KEY_ALT_L, window->State.MouseX, window->State.MouseY )
);
lAlt = 1;
}
if ( !rAlt && GetAsyncKeyState ( VK_RMENU ) )
{
INVOKE_WCB ( *window, Special,
( GLUT_KEY_ALT_R, window->State.MouseX, window->State.MouseY )
);
rAlt = 1;
}
/* Checking for CTRL, ALT, and SHIFT key positions: Key Up! */
if ( lControl && !GetAsyncKeyState ( VK_LCONTROL ) )
{
INVOKE_WCB ( *window, SpecialUp,
( GLUT_KEY_CTRL_L, window->State.MouseX, window->State.MouseY )
);
lControl = 0;
}
if ( rControl && !GetAsyncKeyState ( VK_RCONTROL ) )
{
INVOKE_WCB ( *window, SpecialUp,
( GLUT_KEY_CTRL_R, window->State.MouseX, window->State.MouseY )
);
rControl = 0;
}
if ( lShift && !GetAsyncKeyState ( VK_LSHIFT ) )
{
INVOKE_WCB ( *window, SpecialUp,
( GLUT_KEY_SHIFT_L, window->State.MouseX, window->State.MouseY )
);
lShift = 0;
}
if ( rShift && !GetAsyncKeyState ( VK_RSHIFT ) )
{
INVOKE_WCB ( *window, SpecialUp,
( GLUT_KEY_SHIFT_R, window->State.MouseX, window->State.MouseY )
);
rShift = 0;
}
if ( lAlt && !GetAsyncKeyState ( VK_LMENU ) )
{
INVOKE_WCB ( *window, SpecialUp,
( GLUT_KEY_ALT_L, window->State.MouseX, window->State.MouseY )
);
lAlt = 0;
}
if ( rAlt && !GetAsyncKeyState ( VK_RMENU ) )
{
INVOKE_WCB ( *window, SpecialUp,
( GLUT_KEY_ALT_R, window->State.MouseX, window->State.MouseY )
);
rAlt = 0;
}
switch( uMsg )
{
case WM_CREATE:
@ -2016,6 +2131,12 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
KEY( VK_RIGHT, GLUT_KEY_RIGHT );
KEY( VK_DOWN, GLUT_KEY_DOWN );
KEY( VK_INSERT, GLUT_KEY_INSERT );
KEY( VK_LCONTROL, GLUT_KEY_CTRL_L );
KEY( VK_RCONTROL, GLUT_KEY_CTRL_R );
KEY( VK_LSHIFT, GLUT_KEY_SHIFT_L );
KEY( VK_RSHIFT, GLUT_KEY_SHIFT_R );
KEY( VK_LMENU, GLUT_KEY_ALT_L );
KEY( VK_RMENU, GLUT_KEY_ALT_R );
case VK_DELETE:
/* The delete key should be treated as an ASCII keypress: */
@ -2102,6 +2223,12 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
KEY( VK_RIGHT, GLUT_KEY_RIGHT );
KEY( VK_DOWN, GLUT_KEY_DOWN );
KEY( VK_INSERT, GLUT_KEY_INSERT );
KEY( VK_LCONTROL, GLUT_KEY_CTRL_L );
KEY( VK_RCONTROL, GLUT_KEY_CTRL_R );
KEY( VK_LSHIFT, GLUT_KEY_SHIFT_L );
KEY( VK_RSHIFT, GLUT_KEY_SHIFT_R );
KEY( VK_LMENU, GLUT_KEY_ALT_L );
KEY( VK_RMENU, GLUT_KEY_ALT_R );
case VK_DELETE:
/* The delete key should be treated as an ASCII keypress: */