bool_t
ucnf_canonical_composition
(codepoint_t first, codepoint_t second, codepoint_t *composite)
{
size_t pos;
codepoint_t h = first ^ second; /* hash value */
if (h < comp_hash_length && (0 != (pos = (size_t)comp_hash[h])))
{
/* comp_map contains a 0-terminated sequence of pairs: (first,result)
(Another composing pair having first cannot have the same hash value,
so the second part is omitted.) */
const uint16_t *p;
for (p = (uint16_t *)comp_map + (pos-1); *p; p++)
{
codepoint_t f,r;
utf16_decode(&p,&f), p++;
utf16_decode(&p,&r);
if (f == first)
{
*composite = r;
return 1;
}
}
}
return 0;
}
LRESULT CALLBACK glwtWin32WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
GLWTWindow *win = (GLWTWindow*)GetWindowLongPtr(hwnd, 0);
if(win)
{
switch(uMsg)
{
case WM_PAINT:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_EXPOSE;
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
ValidateRect(hwnd, NULL);
return 0;
case WM_KEYUP:
case WM_KEYDOWN:
case WM_SYSKEYUP:
case WM_SYSKEYDOWN:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (uMsg == WM_KEYDOWN || uMsg == WM_SYSKEYDOWN) ? GLWT_WINDOW_KEY_DOWN : GLWT_WINDOW_KEY_UP;
event.key.keysym = translate_key(wParam, lParam);
event.key.scancode = (lParam >> 16) & 0xff;
event.key.mod = GetModifiers();
win->win_callback(win, &event, win->userdata);
}
if(uMsg == WM_SYSKEYUP || uMsg == WM_SYSKEYDOWN)
break;
return 0;
case WM_LBUTTONUP:
case WM_LBUTTONDOWN:
case WM_MBUTTONUP:
case WM_MBUTTONDOWN:
case WM_RBUTTONUP:
case WM_RBUTTONDOWN:
case WM_XBUTTONUP:
case WM_XBUTTONDOWN:
case WM_MOUSEWHEEL:
case WM_MOUSEHWHEEL:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (
uMsg == WM_LBUTTONUP ||
uMsg == WM_MBUTTONUP ||
uMsg == WM_RBUTTONUP ||
uMsg == WM_XBUTTONUP ||
uMsg == WM_MOUSEWHEEL ||
uMsg == WM_MOUSEHWHEEL
) ? GLWT_WINDOW_BUTTON_DOWN : GLWT_WINDOW_BUTTON_UP;
event.button.x = LOWORD(lParam);
event.button.y = HIWORD(lParam);
event.button.button =
(uMsg == WM_LBUTTONUP || uMsg == WM_LBUTTONDOWN) ? 0 :
(uMsg == WM_MBUTTONUP || uMsg == WM_MBUTTONDOWN) ? 1 :
(uMsg == WM_RBUTTONUP || uMsg == WM_RBUTTONDOWN) ? 2 :
(uMsg == WM_XBUTTONUP || uMsg == WM_XBUTTONDOWN) ? (HIWORD(wParam) == XBUTTON1 ? 5 : 6) :
(uMsg == WM_MOUSEWHEEL) ? (GET_WHEEL_DELTA_WPARAM(wParam) < 0 ? 3 : 4) :
(uMsg == WM_MOUSEHWHEEL) ? (GET_WHEEL_DELTA_WPARAM(wParam) < 0 ? 7 : 8) :
0;
event.button.mod = GetModifiers();
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_MOUSEMOVE:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_MOUSE_MOTION;
event.motion.x = GET_X_LPARAM(lParam);
event.motion.y = GET_Y_LPARAM(lParam);
event.motion.buttons =
(wParam & MK_LBUTTON ? (1 << 0) : 0) |
(wParam & MK_RBUTTON ? (1 << 1) : 0) |
(wParam & MK_MBUTTON ? (1 << 2) : 0) |
(wParam & MK_XBUTTON1 ? (1 << 5) : 0) |
(wParam & MK_XBUTTON2 ? (1 << 6) : 0);
win->win_callback(win, &event, win->userdata);
}
{
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_QUERY;
tme.hwndTrack = hwnd;
TrackMouseEvent(&tme);
if(tme.dwFlags != TME_LEAVE)
{
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_HOVER|TME_LEAVE;
tme.hwndTrack = hwnd;
tme.dwHoverTime = 1;
TrackMouseEvent(&tme);
}
}
return 0;
case WM_SETFOCUS:
case WM_KILLFOCUS:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = uMsg == WM_SETFOCUS ? GLWT_WINDOW_FOCUS_IN : GLWT_WINDOW_FOCUS_OUT;
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_MOUSEHOVER:
case WM_MOUSELEAVE:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (uMsg == WM_MOUSEHOVER ? GLWT_WINDOW_MOUSE_ENTER : GLWT_WINDOW_MOUSE_LEAVE);
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
{
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = uMsg == WM_MOUSEHOVER ? TME_LEAVE : TME_HOVER;
tme.hwndTrack = hwnd;
tme.dwHoverTime = 1;
TrackMouseEvent(&tme);
}
return 0;
case WM_SHOWWINDOW:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (wParam == TRUE ? GLWT_WINDOW_SHOW : GLWT_WINDOW_HIDE);
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_SIZE:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_RESIZE;
event.resize.width = LOWORD(lParam);
event.resize.height = HIWORD(lParam);
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_CLOSE:
win->closed = 1;
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_CLOSE;
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_SYSCHAR:
case WM_CHAR:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_CHARACTER_INPUT;
event.character.unicode = utf16_decode((unsigned int)wParam);
win->win_callback(win, &event, win->userdata);
}
return 0;
default:
break;
}
}
