fltk/src/Fl_get_key_mac.cxx
Manolo Gouy 416c0d99d3 Mac OS: remove 5 compilation warnings of this kind:
warning: comparison of function 'CGDataConsumerCreateWithCFData' not equal to a null pointer is always true
note: prefix with the address-of operator to silence this warning



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10747 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2015-06-10 10:53:25 +00:00

280 lines
11 KiB
C++

//
// "$Id$"
//
// MacOS keyboard state routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Return the current state of a key. Keys are named by fltk symbols,
// which are actually X keysyms. So this has to translate to macOS
// symbols.
#include <FL/Fl.H>
#include <FL/x.H>
#include <config.h>
// The list of Mac OS virtual keycodes appears with OS 10.5 in
// ...../Carbon.framework/Frameworks/HIToolbox.framework/Headers/Events.h
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
#include <Carbon/Carbon.h>
#else
/*
* These constants are the virtual keycodes defined originally in
* Inside Mac Volume V, pg. V-191. They identify physical keys on a
* keyboard. Those constants with "ANSI" in the name are labeled
* according to the key position on an ANSI-standard US keyboard.
* For example, kVK_ANSI_A indicates the virtual keycode for the key
* with the letter 'A' in the US keyboard layout. Other keyboard
* layouts may have the 'A' key label on a different physical key;
* in this case, pressing 'A' will generate a different virtual
* keycode.
*/
enum {
kVK_ANSI_A = 0x00,
kVK_ANSI_S = 0x01,
kVK_ANSI_D = 0x02,
kVK_ANSI_F = 0x03,
kVK_ANSI_H = 0x04,
kVK_ANSI_G = 0x05,
kVK_ANSI_Z = 0x06,
kVK_ANSI_X = 0x07,
kVK_ANSI_C = 0x08,
kVK_ANSI_V = 0x09,
kVK_ANSI_B = 0x0B,
kVK_ANSI_Q = 0x0C,
kVK_ANSI_W = 0x0D,
kVK_ANSI_E = 0x0E,
kVK_ANSI_R = 0x0F,
kVK_ANSI_Y = 0x10,
kVK_ANSI_T = 0x11,
kVK_ANSI_1 = 0x12,
kVK_ANSI_2 = 0x13,
kVK_ANSI_3 = 0x14,
kVK_ANSI_4 = 0x15,
kVK_ANSI_6 = 0x16,
kVK_ANSI_5 = 0x17,
kVK_ANSI_Equal = 0x18,
kVK_ANSI_9 = 0x19,
kVK_ANSI_7 = 0x1A,
kVK_ANSI_Minus = 0x1B,
kVK_ANSI_8 = 0x1C,
kVK_ANSI_0 = 0x1D,
kVK_ANSI_RightBracket = 0x1E,
kVK_ANSI_O = 0x1F,
kVK_ANSI_U = 0x20,
kVK_ANSI_LeftBracket = 0x21,
kVK_ANSI_I = 0x22,
kVK_ANSI_P = 0x23,
kVK_ANSI_L = 0x25,
kVK_ANSI_J = 0x26,
kVK_ANSI_Quote = 0x27,
kVK_ANSI_K = 0x28,
kVK_ANSI_Semicolon = 0x29,
kVK_ANSI_Backslash = 0x2A,
kVK_ANSI_Comma = 0x2B,
kVK_ANSI_Slash = 0x2C,
kVK_ANSI_N = 0x2D,
kVK_ANSI_M = 0x2E,
kVK_ANSI_Period = 0x2F,
kVK_ANSI_Grave = 0x32,
kVK_ANSI_KeypadDecimal = 0x41,
kVK_ANSI_KeypadMultiply = 0x43,
kVK_ANSI_KeypadPlus = 0x45,
kVK_ANSI_KeypadClear = 0x47,
kVK_ANSI_KeypadDivide = 0x4B,
kVK_ANSI_KeypadEnter = 0x4C,
kVK_ANSI_KeypadMinus = 0x4E,
kVK_ANSI_KeypadEquals = 0x51,
kVK_ANSI_Keypad0 = 0x52,
kVK_ANSI_Keypad1 = 0x53,
kVK_ANSI_Keypad2 = 0x54,
kVK_ANSI_Keypad3 = 0x55,
kVK_ANSI_Keypad4 = 0x56,
kVK_ANSI_Keypad5 = 0x57,
kVK_ANSI_Keypad6 = 0x58,
kVK_ANSI_Keypad7 = 0x59,
kVK_ANSI_Keypad8 = 0x5B,
kVK_ANSI_Keypad9 = 0x5C
};
/* keycodes for keys that are independent of keyboard layout*/
enum {
kVK_Return = 0x24,
kVK_Tab = 0x30,
kVK_Space = 0x31,
kVK_Delete = 0x33,
kVK_Escape = 0x35,
kVK_Command = 0x37,
kVK_Shift = 0x38,
kVK_CapsLock = 0x39,
kVK_Option = 0x3A,
kVK_Control = 0x3B,
kVK_RightShift = 0x3C,
kVK_RightOption = 0x3D,
kVK_RightControl = 0x3E,
kVK_Function = 0x3F,
kVK_F17 = 0x40,
kVK_VolumeUp = 0x48,
kVK_VolumeDown = 0x49,
kVK_Mute = 0x4A,
kVK_F18 = 0x4F,
kVK_F19 = 0x50,
kVK_F20 = 0x5A,
kVK_F5 = 0x60,
kVK_F6 = 0x61,
kVK_F7 = 0x62,
kVK_F3 = 0x63,
kVK_F8 = 0x64,
kVK_F9 = 0x65,
kVK_F11 = 0x67,
kVK_F13 = 0x69,
kVK_F16 = 0x6A,
kVK_F14 = 0x6B,
kVK_F10 = 0x6D,
kVK_F12 = 0x6F,
kVK_F15 = 0x71,
kVK_Help = 0x72,
kVK_Home = 0x73,
kVK_PageUp = 0x74,
kVK_ForwardDelete = 0x75,
kVK_F4 = 0x76,
kVK_End = 0x77,
kVK_F2 = 0x78,
kVK_PageDown = 0x79,
kVK_F1 = 0x7A,
kVK_LeftArrow = 0x7B,
kVK_RightArrow = 0x7C,
kVK_DownArrow = 0x7D,
kVK_UpArrow = 0x7E
};
/* ISO keyboards only*/
enum {
kVK_ISO_Section = 0x0A
};
/* JIS keyboards only*/
enum {
kVK_JIS_Yen = 0x5D,
kVK_JIS_Underscore = 0x5E,
kVK_JIS_KeypadComma = 0x5F,
kVK_JIS_Eisu = 0x66,
kVK_JIS_Kana = 0x68
};
#endif
// convert an FLTK (X) keysym to a MacOS symbol:
// This table is in numeric order by FLTK symbol order for binary search.
static const struct {unsigned short vk, fltk;} vktab[] = {
{ kVK_Space, ' ' }, { kVK_ANSI_Quote, '\'' }, { kVK_ANSI_Comma, ',' }, { kVK_ANSI_Minus, '-' }, { kVK_ANSI_Period, '.' }, { kVK_ANSI_Slash, '/' },
{ kVK_ANSI_0, '0' }, { kVK_ANSI_1, '1' }, { kVK_ANSI_2, '2' }, { kVK_ANSI_3, '3' },
{ kVK_ANSI_4, '4' }, { kVK_ANSI_5, '5' }, { kVK_ANSI_6, '6' }, { kVK_ANSI_7, '7' },
{ kVK_ANSI_8, '8' }, { kVK_ANSI_9, '9' }, { kVK_ANSI_Semicolon, ';' }, { kVK_ANSI_Equal, '=' },
{ kVK_ANSI_A, 'A' }, { kVK_ANSI_B, 'B' }, { kVK_ANSI_C, 'C' }, { kVK_ANSI_D, 'D' },
{ kVK_ANSI_E, 'E' }, { kVK_ANSI_F, 'F' }, { kVK_ANSI_G, 'G' }, { kVK_ANSI_H, 'H' },
{ kVK_ANSI_I, 'I' }, { kVK_ANSI_J, 'J' }, { kVK_ANSI_K, 'K' }, { kVK_ANSI_L, 'L' },
{ kVK_ANSI_M, 'M' }, { kVK_ANSI_N, 'N' }, { kVK_ANSI_O, 'O' }, { kVK_ANSI_P, 'P' },
{ kVK_ANSI_Q, 'Q' }, { kVK_ANSI_R, 'R' }, { kVK_ANSI_S, 'S' }, { kVK_ANSI_T, 'T' },
{ kVK_ANSI_U, 'U' }, { kVK_ANSI_V, 'V' }, { kVK_ANSI_W, 'W' }, { kVK_ANSI_X, 'X' },
{ kVK_ANSI_Y, 'Y' }, { kVK_ANSI_Z, 'Z' },
{ kVK_ANSI_LeftBracket, '[' }, { kVK_ANSI_Backslash, '\\' }, { kVK_ANSI_RightBracket, ']' }, { kVK_ANSI_Grave, '`' },
{ kVK_VolumeDown, FL_Volume_Down}, { kVK_Mute, FL_Volume_Mute}, { kVK_VolumeUp, FL_Volume_Up},
{ kVK_Delete, FL_BackSpace }, { kVK_Tab, FL_Tab }, { kVK_ISO_Section, FL_Iso_Key }, { kVK_Return, FL_Enter }, /*{ 0x7F, FL_Pause },
{ 0x7F, FL_Scroll_Lock },*/ { kVK_Escape, FL_Escape },
{ kVK_JIS_Kana, FL_Kana}, { kVK_JIS_Eisu, FL_Eisu}, { kVK_JIS_Yen, FL_Yen}, { kVK_JIS_Underscore, FL_JIS_Underscore},
{ kVK_Home, FL_Home }, { kVK_LeftArrow, FL_Left },
{ kVK_UpArrow, FL_Up }, { kVK_RightArrow, FL_Right }, { kVK_DownArrow, FL_Down }, { kVK_PageUp, FL_Page_Up },
{ kVK_PageDown, FL_Page_Down }, { kVK_End, FL_End }, /*{ 0x7F, FL_Print }, { 0x7F, FL_Insert },*/
{ 0x6e, FL_Menu }, { kVK_Help, FL_Help }, { kVK_ANSI_KeypadClear, FL_Num_Lock },
{ kVK_ANSI_KeypadEnter, FL_KP_Enter }, { kVK_ANSI_KeypadMultiply, FL_KP+'*' }, { kVK_ANSI_KeypadPlus, FL_KP+'+'},
{ kVK_JIS_KeypadComma, FL_KP+',' },
{ kVK_ANSI_KeypadMinus, FL_KP+'-' }, { kVK_ANSI_KeypadDecimal, FL_KP+'.' }, { kVK_ANSI_KeypadDivide, FL_KP+'/' },
{ kVK_ANSI_Keypad0, FL_KP+'0' }, { kVK_ANSI_Keypad1, FL_KP+'1' }, { kVK_ANSI_Keypad2, FL_KP+'2' }, { kVK_ANSI_Keypad3, FL_KP+'3' },
{ kVK_ANSI_Keypad4, FL_KP+'4' }, { kVK_ANSI_Keypad5, FL_KP+'5' }, { kVK_ANSI_Keypad6, FL_KP+'6' }, { kVK_ANSI_Keypad7, FL_KP+'7' },
{ kVK_ANSI_Keypad8, FL_KP+'8' }, { kVK_ANSI_Keypad9, FL_KP+'9' }, { kVK_ANSI_KeypadEquals, FL_KP+'=' },
{ kVK_F1, FL_F+1 }, { kVK_F2, FL_F+2 }, { kVK_F3, FL_F+3 }, { kVK_F4, FL_F+4 },
{ kVK_F5, FL_F+5 }, { kVK_F6, FL_F+6 }, { kVK_F7, FL_F+7 }, { kVK_F8, FL_F+8 },
{ kVK_F9, FL_F+9 }, { kVK_F10, FL_F+10 }, { kVK_F11, FL_F+11 }, { kVK_F12, FL_F+12 },
{ kVK_F13, FL_F+13 }, { kVK_F14, FL_F+14 }, { kVK_F15, FL_F+15 }, { kVK_F16, FL_F+16 },
{ kVK_F17, FL_F+17 }, { kVK_F18, FL_F+18 }, { kVK_F19, FL_F+19 }, { kVK_F20, FL_F+20 },
{ kVK_Shift, FL_Shift_L }, { kVK_RightShift, FL_Shift_R }, { kVK_Control, FL_Control_L }, { kVK_RightControl, FL_Control_R },
{ kVK_CapsLock, FL_Caps_Lock }, { kVK_Command, FL_Meta_L }, { 0x36, FL_Meta_R },
{ kVK_Option, FL_Alt_L }, { kVK_RightOption, FL_Alt_R }, { kVK_ForwardDelete, FL_Delete }
};
// Computes the macKeyLookUp table that transforms a Mac OS virtual keycode into an FLTK keysym
unsigned short *fl_compute_macKeyLookUp()
{
static unsigned short macKeyLookUp[128];
memset(macKeyLookUp, 0, sizeof(macKeyLookUp));
for (unsigned i = 0; i < sizeof(vktab)/sizeof(*vktab); i++) {
macKeyLookUp[vktab[i].vk] = vktab[i].fltk;
}
return macKeyLookUp;
}
static int fltk2mac(int fltk) {
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 vktab[a].vk;
}
//: returns true, if that key was pressed during the last event
int Fl::event_key(int k) {
return get_key(k);
}
//: returns true, if that key is pressed right now
int Fl::get_key(int k) {
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
if (&CGEventSourceKeyState != NULL) {
return (int)CGEventSourceKeyState(kCGEventSourceStateCombinedSessionState, fltk2mac(k) );
}
else
#endif
{
typedef UInt32 fl_KeyMap[4];
fl_KeyMap foo;
// use the GetKeys Carbon function
typedef void (*keymap_f)(fl_KeyMap);
static keymap_f f = NULL;
if (!f) f = ( keymap_f )Fl_X::get_carbon_function("GetKeys");
(*f)(foo);
#ifdef MAC_TEST_FOR_KEYCODES
static int cnt = 0;
if (cnt++>1024) {
cnt = 0;
printf("%08x %08x %08x %08x\n", (ulong*)(foo)[3], (ulong*)(foo)[2], (ulong*)(foo)[1], (ulong*)(foo)[0]);
}
#endif
unsigned char *b = (unsigned char*)foo;
// KP_Enter can be at different locations for Powerbooks vs. desktop Macs
if (k==FL_KP_Enter) {
return (((b[0x34>>3]>>(0x34&7))&1)||((b[0x4c>>3]>>(0x4c&7))&1));
}
int i = fltk2mac(k);
return (b[i>>3]>>(i&7))&1;
}
}
//
// End of "$Id$".
//