fltk/src/Fl_get_key_win32.cxx

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//
// "$Id: Fl_get_key_win32.cxx,v 1.4.2.1 1999/05/06 06:20:47 bill Exp $"
//
// WIN32 keyboard state routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-1999 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "fltk-bugs@easysw.com".
//
// Return the current state of a key. Keys are named by fltk symbols,
// which are actually X keysyms. So this has to translate to MSWindows
// VK_x symbols.
#include <FL/Fl.H>
#include <FL/win32.H>
// convert an Fltk (X) keysym to a MSWindows VK symbol:
// See also the inverse converter in Fl_win32.C
// This table is in numeric order by Fltk symbol order for binary search:
static const struct {unsigned short vk, fltk;} vktab[] = {
{VK_SPACE, ' '},
{'1', '!'},
{0xde, '\"'},
{'3', '#'},
{'4', '$'},
{'5', '%'},
{'7', '&'},
{0xde, '\''},
{'9', '('},
{'0', ')'},
{'8', '*'},
{0xbb, '+'},
{0xbc, ','},
{0xbd, '-'},
{0xbe, '.'},
{0xbf, '/'},
{0xba, ':'},
{0xba, ';'},
{0xbc, '<'},
{0xbb, '='},
{0xbe, '>'},
{0xbf, '?'},
{'2', '@'},
{0xdb, '['},
{0xdc, '\\'},
{0xdd, ']'},
{'6', '^'},
{0xbd, '_'},
{0xc0, '`'},
{0xdb, '{'},
{0xdc, '|'},
{0xdd, '}'},
{0xc0, '~'},
{VK_BACK, FL_BackSpace},
{VK_TAB, FL_Tab},
{VK_CLEAR, 0xff0b/*XK_Clear*/},
{VK_RETURN, FL_Enter},
{VK_PAUSE, FL_Pause},
{VK_SCROLL, FL_Scroll_Lock},
{VK_ESCAPE, FL_Escape},
{VK_HOME, FL_Home},
{VK_LEFT, FL_Left},
{VK_UP, FL_Up},
{VK_RIGHT, FL_Right},
{VK_DOWN, FL_Down},
{VK_PRIOR, FL_Page_Up},
{VK_NEXT, FL_Page_Down},
{VK_END, FL_End},
{VK_SNAPSHOT, FL_Print},
{VK_INSERT, FL_Insert},
{VK_APPS, FL_Menu},
{VK_NUMLOCK, FL_Num_Lock},
//{VK_???, FL_KP_Enter},
{VK_MULTIPLY, FL_KP+'*'},
{VK_ADD, FL_KP+'+'},
{VK_SUBTRACT, FL_KP+'-'},
{VK_DECIMAL, FL_KP+'.'},
{VK_DIVIDE, FL_KP+'/'},
{VK_LSHIFT, FL_Shift_L},
{VK_RSHIFT, FL_Shift_R},
{VK_LCONTROL, FL_Control_L},
{VK_RCONTROL, FL_Control_R},
{VK_CAPITAL, FL_Caps_Lock},
{VK_LWIN, FL_Meta_L},
{VK_RWIN, FL_Meta_R},
{VK_LMENU, FL_Alt_L},
{VK_RMENU, FL_Alt_R},
{VK_DELETE, FL_Delete}
};
static int fltk2ms(int fltk) {
if (fltk >= '0' && fltk <= '9') return fltk;
if (fltk >= 'A' && fltk <= 'Z') return fltk;
if (fltk >= 'a' && fltk <= 'z') return toupper(fltk);
if (fltk > FL_F && fltk <= FL_F+16) return fltk-(FL_F-(VK_F1-1));
if (fltk >= FL_KP+'0' && fltk<=FL_KP+'9') return fltk-(FL_KP+'0'-VK_NUMPAD0);
int a = 0;
int b = sizeof(vktab)/sizeof(*vktab);
while (a < b) {
int c = (a+b)/2;
if (vktab[c].fltk == fltk) return vktab[c].vk;
if (vktab[c].fltk < fltk) a = c+1; else b = c;
}
return 0;
}
int Fl::event_key(int k) {
return GetKeyState(fltk2ms(k))&~1;
}
int Fl::get_key(int k) {
uchar foo[256];
GetKeyboardState(foo);
return foo[fltk2ms(k)]&~1;
}
//
// End of "$Id: Fl_get_key_win32.cxx,v 1.4.2.1 1999/05/06 06:20:47 bill Exp $".
//