FMudanyali/FreeGLUT-Vita
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

should be using GetKeyState not GetAsyncKeyState to check for modifier keys as we care which modifiers were active at the time of the key/mouse press we are processing

Browse Source 
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1642 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2014-01-22 12:06:59 +00:00
parent e8d8bdf9e3
commit f6a11225ad
1 changed files with 14 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
freeglut/freeglut/src/mswin/fg_main_mswin.c
View File

@ -580,14 +580,10 @@ static int fgPlatformGetModifiers (void)
/* Check whether a button (VK_*BUTTON) is currently depressed. Returns
* non-zero (not necessarily 1) if yes. */
static SHORT fgGetAsyncKeyState(int vKey)
static SHORT fgGetKeyState(int vKey)
{
/* MSDN says: "If the most significant bit is set, the key is down, and if
* the least significant bit is set, the key was pressed after the previous
* call to GetAsyncKeyState." This behavior cannot be relied upon however.
* Remove this bit so that we can simply test with ! if key is up.
*/
return GetAsyncKeyState(vKey) & ~1;
/* MSDN says: "If the high-order bit is 1, the key is down; otherwise, it is up". */
return GetKeyState(vKey) & 0xFF00;
}
static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean keydown, WPARAM wParam, LPARAM lParam)
@ -640,30 +636,30 @@ static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean ke
* The VK_L* & VK_R* left and right Alt, Ctrl and Shift virtual keys are however only used as parameters to GetAsyncKeyState() and GetKeyState()
* so when we get an alt, shift or control keypress here, we manually check whether it was the left or the right
*/
#define ASYNC_KEY_EVENT(winKey,glutKey,keyStateVar)\
if (!keyStateVar && fgGetAsyncKeyState ( winKey ))\
#define KEY_EVENT(winKey,glutKey,keyStateVar)\
if (!keyStateVar && fgGetKeyState ( winKey ))\
{\
keypress = glutKey;\
keyStateVar = 1;\
}\
else if (keyStateVar && !fgGetAsyncKeyState ( winKey ))\
else if (keyStateVar && !fgGetKeyState ( winKey ))\
{\
keypress = glutKey;\
keyStateVar = 0;\
}
case VK_CONTROL:
ASYNC_KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl);
ASYNC_KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl);
KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl);
KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl);
break;
case VK_SHIFT:
ASYNC_KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift);
ASYNC_KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift);
KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift);
KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift);
break;
case VK_MENU:
ASYNC_KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt);
ASYNC_KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt);
KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt);
KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt);
break;
#undef ASYNC_KEY_EVENT
#undef KEY_EVENT
case VK_DELETE:
/* The delete key should be treated as an ASCII keypress: */
@ -1249,7 +1245,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
SetCapture ( window->Window.Handle ) ;
setCaptureActive = 1; /* Set to false in WM_CAPTURECHANGED handler */
}
else if (!fgGetAsyncKeyState(VK_LBUTTON) && !fgGetAsyncKeyState(VK_MBUTTON) && !fgGetAsyncKeyState(VK_RBUTTON))
else if (!fgGetKeyState(VK_LBUTTON) && !fgGetKeyState(VK_MBUTTON) && !fgGetKeyState(VK_RBUTTON))
/* Make sure all mouse buttons are released before releasing capture */
ReleaseCapture () ;