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SDL_QuartzEvents.m
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/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2003 Sam Lantinga
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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.
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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.
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You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Sam Lantinga
slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "SDL_QuartzVideo.h"
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#include <IOKit/IOMessage.h> /* For wake from sleep detection */
#include <IOKit/pwr_mgt/IOPMLib.h> /* For wake from sleep detection */
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#include "SDL_QuartzKeys.h"
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/*
* In Panther, this header defines device dependent masks for
* right side keys. These definitions only exist in Panther, but
* the header seems to exist at least in Jaguar and probably earlier
* versions of the OS, so this should't break anything.
*/
#include <IOKit/hidsystem/IOLLEvent.h>
/*
* These are not defined before Panther. To keep the code compiling
* on systems without these, I will define if they don't exist.
*/
#ifndef NX_DEVICERCTLKEYMASK
#define NX_DEVICELCTLKEYMASK 0x00000001
#endif
#ifndef NX_DEVICELSHIFTKEYMASK
#define NX_DEVICELSHIFTKEYMASK 0x00000002
#endif
#ifndef NX_DEVICERSHIFTKEYMASK
#define NX_DEVICERSHIFTKEYMASK 0x00000004
#endif
#ifndef NX_DEVICELCMDKEYMASK
#define NX_DEVICELCMDKEYMASK 0x00000008
#endif
#ifndef NX_DEVICERCMDKEYMASK
#define NX_DEVICERCMDKEYMASK 0x00000010
#endif
#ifndef NX_DEVICELALTKEYMASK
#define NX_DEVICELALTKEYMASK 0x00000020
#endif
#ifndef NX_DEVICERALTKEYMASK
#define NX_DEVICERALTKEYMASK 0x00000040
#endif
#ifndef NX_DEVICERCTLKEYMASK
#define NX_DEVICERCTLKEYMASK 0x00002000
#endif
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void QZ_InitOSKeymap (_THIS) {
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const void *KCHRPtr;
UInt32 state;
UInt32 value;
int i;
int world = SDLK_WORLD_0;
for ( i=0; i<SDL_TABLESIZE(keymap); ++i )
keymap[i] = SDLK_UNKNOWN;
/* This keymap is almost exactly the same as the OS 9 one */
keymap[QZ_ESCAPE] = SDLK_ESCAPE;
keymap[QZ_F1] = SDLK_F1;
keymap[QZ_F2] = SDLK_F2;
keymap[QZ_F3] = SDLK_F3;
keymap[QZ_F4] = SDLK_F4;
keymap[QZ_F5] = SDLK_F5;
keymap[QZ_F6] = SDLK_F6;
keymap[QZ_F7] = SDLK_F7;
keymap[QZ_F8] = SDLK_F8;
keymap[QZ_F9] = SDLK_F9;
keymap[QZ_F10] = SDLK_F10;
keymap[QZ_F11] = SDLK_F11;
keymap[QZ_F12] = SDLK_F12;
keymap[QZ_PRINT] = SDLK_PRINT;
keymap[QZ_SCROLLOCK] = SDLK_SCROLLOCK;
keymap[QZ_PAUSE] = SDLK_PAUSE;
keymap[QZ_POWER] = SDLK_POWER;
keymap[QZ_BACKQUOTE] = SDLK_BACKQUOTE;
keymap[QZ_1] = SDLK_1;
keymap[QZ_2] = SDLK_2;
keymap[QZ_3] = SDLK_3;
keymap[QZ_4] = SDLK_4;
keymap[QZ_5] = SDLK_5;
keymap[QZ_6] = SDLK_6;
keymap[QZ_7] = SDLK_7;
keymap[QZ_8] = SDLK_8;
keymap[QZ_9] = SDLK_9;
keymap[QZ_0] = SDLK_0;
keymap[QZ_MINUS] = SDLK_MINUS;
keymap[QZ_EQUALS] = SDLK_EQUALS;
keymap[QZ_BACKSPACE] = SDLK_BACKSPACE;
keymap[QZ_INSERT] = SDLK_INSERT;
keymap[QZ_HOME] = SDLK_HOME;
keymap[QZ_PAGEUP] = SDLK_PAGEUP;
keymap[QZ_NUMLOCK] = SDLK_NUMLOCK;
keymap[QZ_KP_EQUALS] = SDLK_KP_EQUALS;
keymap[QZ_KP_DIVIDE] = SDLK_KP_DIVIDE;
keymap[QZ_KP_MULTIPLY] = SDLK_KP_MULTIPLY;
keymap[QZ_TAB] = SDLK_TAB;
keymap[QZ_q] = SDLK_q;
keymap[QZ_w] = SDLK_w;
keymap[QZ_e] = SDLK_e;
keymap[QZ_r] = SDLK_r;
keymap[QZ_t] = SDLK_t;
keymap[QZ_y] = SDLK_y;
keymap[QZ_u] = SDLK_u;
keymap[QZ_i] = SDLK_i;
keymap[QZ_o] = SDLK_o;
keymap[QZ_p] = SDLK_p;
keymap[QZ_LEFTBRACKET] = SDLK_LEFTBRACKET;
keymap[QZ_RIGHTBRACKET] = SDLK_RIGHTBRACKET;
keymap[QZ_BACKSLASH] = SDLK_BACKSLASH;
keymap[QZ_DELETE] = SDLK_DELETE;
keymap[QZ_END] = SDLK_END;
keymap[QZ_PAGEDOWN] = SDLK_PAGEDOWN;
keymap[QZ_KP7] = SDLK_KP7;
keymap[QZ_KP8] = SDLK_KP8;
keymap[QZ_KP9] = SDLK_KP9;
keymap[QZ_KP_MINUS] = SDLK_KP_MINUS;
keymap[QZ_CAPSLOCK] = SDLK_CAPSLOCK;
keymap[QZ_a] = SDLK_a;
keymap[QZ_s] = SDLK_s;
keymap[QZ_d] = SDLK_d;
keymap[QZ_f] = SDLK_f;
keymap[QZ_g] = SDLK_g;
keymap[QZ_h] = SDLK_h;
keymap[QZ_j] = SDLK_j;
keymap[QZ_k] = SDLK_k;
keymap[QZ_l] = SDLK_l;
keymap[QZ_SEMICOLON] = SDLK_SEMICOLON;
keymap[QZ_QUOTE] = SDLK_QUOTE;
keymap[QZ_RETURN] = SDLK_RETURN;
keymap[QZ_KP4] = SDLK_KP4;
keymap[QZ_KP5] = SDLK_KP5;
keymap[QZ_KP6] = SDLK_KP6;
keymap[QZ_KP_PLUS] = SDLK_KP_PLUS;
keymap[QZ_LSHIFT] = SDLK_LSHIFT;
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keymap[QZ_RSHIFT] = SDLK_RSHIFT;
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keymap[QZ_z] = SDLK_z;
keymap[QZ_x] = SDLK_x;
keymap[QZ_c] = SDLK_c;
keymap[QZ_v] = SDLK_v;
keymap[QZ_b] = SDLK_b;
keymap[QZ_n] = SDLK_n;
keymap[QZ_m] = SDLK_m;
keymap[QZ_COMMA] = SDLK_COMMA;
keymap[QZ_PERIOD] = SDLK_PERIOD;
keymap[QZ_SLASH] = SDLK_SLASH;
keymap[QZ_UP] = SDLK_UP;
keymap[QZ_KP1] = SDLK_KP1;
keymap[QZ_KP2] = SDLK_KP2;
keymap[QZ_KP3] = SDLK_KP3;
keymap[QZ_KP_ENTER] = SDLK_KP_ENTER;
keymap[QZ_LCTRL] = SDLK_LCTRL;
keymap[QZ_LALT] = SDLK_LALT;
keymap[QZ_LMETA] = SDLK_LMETA;
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keymap[QZ_RCTRL] = SDLK_RCTRL;
keymap[QZ_RALT] = SDLK_RALT;
keymap[QZ_RMETA] = SDLK_RMETA;
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keymap[QZ_SPACE] = SDLK_SPACE;
keymap[QZ_LEFT] = SDLK_LEFT;
keymap[QZ_DOWN] = SDLK_DOWN;
keymap[QZ_RIGHT] = SDLK_RIGHT;
keymap[QZ_KP0] = SDLK_KP0;
keymap[QZ_KP_PERIOD] = SDLK_KP_PERIOD;
keymap[QZ_IBOOK_ENTER] = SDLK_KP_ENTER;
keymap[QZ_IBOOK_RIGHT] = SDLK_RIGHT;
keymap[QZ_IBOOK_DOWN] = SDLK_DOWN;
keymap[QZ_IBOOK_UP] = SDLK_UP;
keymap[QZ_IBOOK_LEFT] = SDLK_LEFT;
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/*
Up there we setup a static scancode->keysym map. However, it will not
work very well on international keyboard. Hence we now query MacOS
for its own keymap to adjust our own mapping table. However, this is
basically only useful for ascii char keys. This is also the reason
why we keep the static table, too.
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*/
/* Get a pointer to the systems cached KCHR */
KCHRPtr = (void *)GetScriptManagerVariable(smKCHRCache);
if (KCHRPtr)
{
/* Loop over all 127 possible scan codes */
for (i = 0; i < 0x7F; i++)
{
/* We pretend a clean start to begin with (i.e. no dead keys active */
state = 0;
/* Now translate the key code to a key value */
value = KeyTranslate(KCHRPtr, i, &state) & 0xff;
/* If the state become 0, it was a dead key. We need to translate again,
passing in the new state, to get the actual key value */
if (state != 0)
value = KeyTranslate(KCHRPtr, i, &state) & 0xff;
/* Now we should have an ascii value, or 0. Try to figure out to which SDL symbol it maps */
if (value >= 128) /* Some non-ASCII char, map it to SDLK_WORLD_* */
keymap[i] = world++;
else if (value >= 32) /* non-control ASCII char */
keymap[i] = value;
}
}
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/*
The keypad codes are re-setup here, because the loop above cannot
distinguish between a key on the keypad and a regular key. We maybe
could get around this problem in another fashion: NSEvent's flags
include a "NSNumericPadKeyMask" bit; we could check that and modify
the symbol we return on the fly. However, this flag seems to exhibit
some weird behaviour related to the num lock key
*/
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keymap[QZ_KP0] = SDLK_KP0;
keymap[QZ_KP1] = SDLK_KP1;
keymap[QZ_KP2] = SDLK_KP2;
keymap[QZ_KP3] = SDLK_KP3;
keymap[QZ_KP4] = SDLK_KP4;
keymap[QZ_KP5] = SDLK_KP5;
keymap[QZ_KP6] = SDLK_KP6;
keymap[QZ_KP7] = SDLK_KP7;
keymap[QZ_KP8] = SDLK_KP8;
keymap[QZ_KP9] = SDLK_KP9;
keymap[QZ_KP_MINUS] = SDLK_KP_MINUS;
keymap[QZ_KP_PLUS] = SDLK_KP_PLUS;
keymap[QZ_KP_PERIOD] = SDLK_KP_PERIOD;
keymap[QZ_KP_EQUALS] = SDLK_KP_EQUALS;
keymap[QZ_KP_DIVIDE] = SDLK_KP_DIVIDE;
keymap[QZ_KP_MULTIPLY] = SDLK_KP_MULTIPLY;
keymap[QZ_KP_ENTER] = SDLK_KP_ENTER;
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}
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static void QZ_DoKey (_THIS, int state, NSEvent *event) {
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NSString *chars;
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unsigned int numChars;
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SDL_keysym key;
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/*
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A key event can contain multiple characters,
or no characters at all. In most cases, it
will contain a single character. If it contains
0 characters, we'll use 0 as the unicode. If it
contains multiple characters, we'll use 0 as
the scancode/keysym.
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*/
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if (SDL_TranslateUNICODE) {
chars = [ event characters ];
numChars = [ chars length ];
} else {
numChars = 0;
}
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if (numChars == 0) {
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key.scancode = [ event keyCode ];
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key.sym = keymap [ key.scancode ];
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key.unicode = 0;
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key.mod = KMOD_NONE;
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SDL_PrivateKeyboard (state, &key);
}
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else if (numChars == 1) {
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key.scancode = [ event keyCode ];
key.sym = keymap [ key.scancode ];
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key.unicode = [ chars characterAtIndex:0 ];
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key.mod = KMOD_NONE;
SDL_PrivateKeyboard (state, &key);
}
else /* (numChars > 1) */ {
int i;
for (i = 0; i < numChars; i++) {
key.scancode = 0;
key.sym = 0;
key.unicode = [ chars characterAtIndex:i];
key.mod = KMOD_NONE;
SDL_PrivateKeyboard (state, &key);
}
}
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if (SDL_getenv ("SDL_ENABLEAPPEVENTS"))
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[ NSApp sendEvent:event ];
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}
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/* This is the original behavior, before support was added for
* differentiating between left and right versions of the keys.
*/
static void QZ_DoUnsidedModifiers (_THIS, unsigned int newMods) {
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const int mapping[] = { SDLK_CAPSLOCK, SDLK_LSHIFT, SDLK_LCTRL, SDLK_LALT, SDLK_LMETA };
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int i;
int bit;
SDL_keysym key;
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key.scancode = 0;
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key.sym = SDLK_UNKNOWN;
key.unicode = 0;
key.mod = KMOD_NONE;
/* Iterate through the bits, testing each against the current modifiers */
for (i = 0, bit = NSAlphaShiftKeyMask; bit <= NSCommandKeyMask; bit <<= 1, ++i) {
unsigned int currentMask, newMask;
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currentMask = current_mods & bit;
newMask = newMods & bit;
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if ( currentMask &&
currentMask != newMask ) { /* modifier up event */
key.sym = mapping[i];
/* If this was Caps Lock, we need some additional voodoo to make SDL happy */
if (bit == NSAlphaShiftKeyMask)
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SDL_PrivateKeyboard (SDL_PRESSED, &key);
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SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
else if ( newMask &&
currentMask != newMask ) { /* modifier down event */
key.sym = mapping[i];
SDL_PrivateKeyboard (SDL_PRESSED, &key);
/* If this was Caps Lock, we need some additional voodoo to make SDL happy */
if (bit == NSAlphaShiftKeyMask)
SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
}
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}
/* This is a helper function for QZ_HandleModifierSide. This
* function reverts back to behavior before the distinction between
* sides was made.
*/
static void QZ_HandleNonDeviceModifier ( _THIS, unsigned int device_independent_mask, unsigned int newMods, unsigned int key_sym) {
unsigned int currentMask, newMask;
SDL_keysym key;
key.scancode = 0;
key.sym = key_sym;
key.unicode = 0;
key.mod = KMOD_NONE;
/* Isolate just the bits we care about in the depedent bits so we can
* figure out what changed
*/
currentMask = current_mods & device_independent_mask;
newMask = newMods & device_independent_mask;
if ( currentMask &&
currentMask != newMask ) { /* modifier up event */
SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
else if ( newMask &&
currentMask != newMask ) { /* modifier down event */
SDL_PrivateKeyboard (SDL_PRESSED, &key);
}
}
/* This is a helper function for QZ_HandleModifierSide.
* This function sets the actual SDL_PrivateKeyboard event.
*/
static void QZ_HandleModifierOneSide ( _THIS, unsigned int newMods,
unsigned int key_sym,
unsigned int sided_device_dependent_mask ) {
SDL_keysym key;
unsigned int current_dep_mask, new_dep_mask;
key.scancode = 0;
key.sym = key_sym;
key.unicode = 0;
key.mod = KMOD_NONE;
/* Isolate just the bits we care about in the depedent bits so we can
* figure out what changed
*/
current_dep_mask = current_mods & sided_device_dependent_mask;
new_dep_mask = newMods & sided_device_dependent_mask;
/* We now know that this side bit flipped. But we don't know if
* it went pressed to released or released to pressed, so we must
* find out which it is.
*/
if( new_dep_mask &&
current_dep_mask != new_dep_mask ) {
/* Modifier down event */
SDL_PrivateKeyboard (SDL_PRESSED, &key);
}
else /* Modifier up event */ {
SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
}
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/* This is a helper function for QZ_DoSidedModifiers.
* This function will figure out if the modifier key is the left or right side,
* e.g. left-shift vs right-shift.
*/
static void QZ_HandleModifierSide ( _THIS, int device_independent_mask,
unsigned int newMods,
unsigned int left_key_sym,
unsigned int right_key_sym,
unsigned int left_device_dependent_mask,
unsigned int right_device_dependent_mask ) {
unsigned int device_dependent_mask = 0;
unsigned int diff_mod = 0;
device_dependent_mask = left_device_dependent_mask | right_device_dependent_mask;
/* On the basis that the device independent mask is set, but there are
* no device dependent flags set, we'll assume that we can't detect this
* keyboard and revert to the unsided behavior.
*/
if ( (device_dependent_mask & newMods) == 0 ) {
/* Revert to the old behavior */
QZ_HandleNonDeviceModifier ( this, device_independent_mask, newMods, left_key_sym );
return;
}
/* XOR the previous state against the new state to see if there's a change */
diff_mod = (device_dependent_mask & current_mods)
^ (device_dependent_mask & newMods);
if ( diff_mod ) {
/* A change in state was found. Isolate the left and right bits
* to handle them separately just in case the values can simulataneously
* change or if the bits don't both exist.
*/
if ( left_device_dependent_mask & diff_mod ) {
QZ_HandleModifierOneSide ( this, newMods, left_key_sym, left_device_dependent_mask );
}
if ( right_device_dependent_mask & diff_mod ) {
QZ_HandleModifierOneSide ( this, newMods, right_key_sym, right_device_dependent_mask );
}
}
}
/* This is a helper function for QZ_DoSidedModifiers.
* This function will release a key press in the case that
* it is clear that the modifier has been released (i.e. one side
* can't still be down).
*/
static void QZ_ReleaseModifierSide ( _THIS,
unsigned int device_independent_mask,
unsigned int newMods,
unsigned int left_key_sym,
unsigned int right_key_sym,
unsigned int left_device_dependent_mask,
unsigned int right_device_dependent_mask ) {
unsigned int device_dependent_mask = 0;
SDL_keysym key;
key.scancode = 0;
key.sym = SDLK_UNKNOWN;
key.unicode = 0;
key.mod = KMOD_NONE;
device_dependent_mask = left_device_dependent_mask | right_device_dependent_mask;
/* On the basis that the device independent mask is set, but there are
* no device dependent flags set, we'll assume that we can't detect this
* keyboard and revert to the unsided behavior.
*/
if ( (device_dependent_mask & current_mods) == 0 ) {
/* In this case, we can't detect the keyboard, so use the left side
* to represent both, and release it.
*/
key.sym = left_key_sym;
SDL_PrivateKeyboard (SDL_RELEASED, &key);
return;
}
/*
* This could have been done in an if-else case because at this point,
* we know that all keys have been released when calling this function.
* But I'm being paranoid so I want to handle each separately,
* so I hope this doesn't cause other problems.
*/
if ( left_device_dependent_mask & current_mods ) {
key.sym = left_key_sym;
SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
if ( right_device_dependent_mask & current_mods ) {
key.sym = right_key_sym;
SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
}
/* This is a helper function for QZ_DoSidedModifiers.
* This function handles the CapsLock case.
*/
static void QZ_HandleCapsLock (_THIS, unsigned int newMods) {
unsigned int currentMask, newMask;
SDL_keysym key;
key.scancode = 0;
key.sym = SDLK_CAPSLOCK;
key.unicode = 0;
key.mod = KMOD_NONE;
currentMask = current_mods & NSAlphaShiftKeyMask;
newMask = newMods & NSAlphaShiftKeyMask;
if ( currentMask &&
currentMask != newMask ) { /* modifier up event */
/* If this was Caps Lock, we need some additional voodoo to make SDL happy */
SDL_PrivateKeyboard (SDL_PRESSED, &key);
SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
else if ( newMask &&
currentMask != newMask ) { /* modifier down event */
/* If this was Caps Lock, we need some additional voodoo to make SDL happy */
SDL_PrivateKeyboard (SDL_PRESSED, &key);
SDL_PrivateKeyboard (SDL_RELEASED, &key);
}
}
/* This function will handle the modifier keys and also determine the
* correct side of the key.
*/
static void QZ_DoSidedModifiers (_THIS, unsigned int newMods) {
/* Set up arrays for the key syms for the left and right side. */
const unsigned int left_mapping[] = { SDLK_LSHIFT, SDLK_LCTRL, SDLK_LALT, SDLK_LMETA };
const unsigned int right_mapping[] = { SDLK_RSHIFT, SDLK_RCTRL, SDLK_RALT, SDLK_RMETA };
/* Set up arrays for the device dependent masks with indices that
* correspond to the _mapping arrays
*/
const unsigned int left_device_mapping[] = { NX_DEVICELSHIFTKEYMASK, NX_DEVICELCTLKEYMASK, NX_DEVICELALTKEYMASK, NX_DEVICELCMDKEYMASK };
const unsigned int right_device_mapping[] = { NX_DEVICERSHIFTKEYMASK, NX_DEVICERCTLKEYMASK, NX_DEVICERALTKEYMASK, NX_DEVICERCMDKEYMASK };
unsigned int i;
unsigned int bit;
/* Handle CAPSLOCK separately because it doesn't have a left/right side */
QZ_HandleCapsLock ( this, newMods );
/* Iterate through the bits, testing each against the current modifiers */
for (i = 0, bit = NSShiftKeyMask; bit <= NSCommandKeyMask; bit <<= 1, ++i) {
unsigned int currentMask, newMask;
currentMask = current_mods & bit;
newMask = newMods & bit;
/* If the bit is set, we must always examine it because the left
* and right side keys may alternate or both may be pressed.
*/
if ( newMask ) {
QZ_HandleModifierSide ( this, bit, newMods,
left_mapping[i],
right_mapping[i],
left_device_mapping[i],
right_device_mapping[i] );
}
/* If the state changed from pressed to unpressed, we must examine
* the device dependent bits to release the correct keys.
*/
else if ( currentMask &&
currentMask != newMask ) { /* modifier up event */
QZ_ReleaseModifierSide ( this, bit, newMods,
left_mapping[i],
right_mapping[i],
left_device_mapping[i],
right_device_mapping[i] );
}
}
}
/* This function is called to handle the modifiers.
* It will try to distinguish between the left side and right side
* of the keyboard for those modifiers that qualify if the
* operating system version supports it. Otherwise, the code
* will not try to make the distinction.
*/
static void QZ_DoModifiers (_THIS, unsigned int newMods) {
if (current_mods == newMods)
return;
/*
* Starting with Panther (10.3.0), the ability to distinguish between
* left side and right side modifiers is available.
*/
if( system_version >= 0x1030 ) {
QZ_DoSidedModifiers (this, newMods);
}
else {
QZ_DoUnsidedModifiers (this, newMods);
}
611
current_mods = newMods;
612
613
}
614
615
616
617
618
619
620
static void QZ_GetMouseLocation (_THIS, NSPoint *p) {
*p = [ NSEvent mouseLocation ]; /* global coordinates */
if (qz_window)
QZ_PrivateGlobalToLocal (this, p);
QZ_PrivateCocoaToSDL (this, p);
}
621
622
623
624
void QZ_DoActivate (_THIS) {
SDL_PrivateAppActive (1, SDL_APPINPUTFOCUS | (QZ_IsMouseInWindow (this) ? SDL_APPMOUSEFOCUS : 0));
625
/* Hide the cursor if it was hidden by SDL_ShowCursor() */
626
627
if (!cursor_should_be_visible)
QZ_HideMouse (this);
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629
630
631
632
633
634
/* Regrab input, only if it was previously grabbed */
if ( current_grab_mode == SDL_GRAB_ON ) {
/* Restore cursor location if input was grabbed */
QZ_PrivateWarpCursor (this, cursor_loc.x, cursor_loc.y);
QZ_ChangeGrabState (this, QZ_ENABLE_GRAB);
635
}
636
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638
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640
641
else {
/* Update SDL's mouse location */
NSPoint p;
QZ_GetMouseLocation (this, &p);
SDL_PrivateMouseMotion (0, 0, p.x, p.y);
}
642
643
}
644
645
646
void QZ_DoDeactivate (_THIS) {
SDL_PrivateAppActive (0, SDL_APPINPUTFOCUS | SDL_APPMOUSEFOCUS);
647
648
/* Get the current cursor location, for restore on activate */
649
QZ_GetMouseLocation (this, &cursor_loc);
650
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652
/* Reassociate mouse and cursor */
CGAssociateMouseAndMouseCursorPosition (1);
653
654
/* Show the cursor if it was hidden by SDL_ShowCursor() */
655
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if (!cursor_should_be_visible)
QZ_ShowMouse (this);
657
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}
659
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661
662
663
664
665
666
667
668
void QZ_SleepNotificationHandler (void * refcon,
io_service_t service,
natural_t messageType,
void * messageArgument )
{
SDL_VideoDevice *this = (SDL_VideoDevice*)refcon;
switch(messageType)
{
case kIOMessageSystemWillSleep:
669
IOAllowPowerChange(power_connection, (long) messageArgument);
670
671
break;
case kIOMessageCanSystemSleep:
672
IOAllowPowerChange(power_connection, (long) messageArgument);
673
674
break;
case kIOMessageSystemHasPoweredOn:
675
/* awake */
676
677
678
679
680
SDL_PrivateExpose();
break;
}
}
681
void QZ_RegisterForSleepNotifications (_THIS)
682
683
684
685
686
{
CFRunLoopSourceRef rls;
IONotificationPortRef thePortRef;
io_object_t notifier;
687
power_connection = IORegisterForSystemPower (this, &thePortRef, QZ_SleepNotificationHandler, ¬ifier);
688
689
if (power_connection == 0)
690
691
692
693
694
695
696
NSLog(@"SDL: QZ_SleepNotificationHandler() IORegisterForSystemPower failed.");
rls = IONotificationPortGetRunLoopSource (thePortRef);
CFRunLoopAddSource (CFRunLoopGetCurrent(), rls, kCFRunLoopDefaultMode);
CFRelease (rls);
}
697
698
/* Try to map Quartz mouse buttons to SDL's lingo... */
699
700
701
702
703
static int QZ_OtherMouseButtonToSDL(int button)
{
switch (button)
{
case 0:
704
return(SDL_BUTTON_LEFT); /* 1 */
705
case 1:
706
return(SDL_BUTTON_RIGHT); /* 3 */
707
case 2:
708
return(SDL_BUTTON_MIDDLE); /* 2 */
709
710
}
711
/* >= 3: skip 4 & 5, since those are the SDL mousewheel buttons. */
712
713
714
715
return(button + 3);
}
716
void QZ_PumpEvents (_THIS)
717
{
718
719
static Uint32 screensaverTicks = 0;
Uint32 nowTicks;
720
int firstMouseEvent;
721
722
723
724
725
726
727
CGMouseDelta dx, dy;
NSDate *distantPast;
NSEvent *event;
NSRect winRect;
NSAutoreleasePool *pool;
728
729
730
if (!SDL_VideoSurface)
return; /* don't do anything if there's no screen surface. */
731
/* Update activity every five seconds to prevent screensaver. --ryan. */
732
nowTicks = SDL_GetTicks();
733
734
735
736
737
738
if ((nowTicks - screensaverTicks) > 5000)
{
UpdateSystemActivity(UsrActivity);
screensaverTicks = nowTicks;
}
739
740
741
742
pool = [ [ NSAutoreleasePool alloc ] init ];
distantPast = [ NSDate distantPast ];
winRect = NSMakeRect (0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h);
743
744
745
746
747
/* send the first mouse event in absolute coordinates */
firstMouseEvent = 1;
/* accumulate any additional mouse moved events into one SDL mouse event */
748
749
750
751
752
753
754
755
756
757
758
dx = 0;
dy = 0;
do {
/* Poll for an event. This will not block */
event = [ NSApp nextEventMatchingMask:NSAnyEventMask
untilDate:distantPast
inMode: NSDefaultRunLoopMode dequeue:YES ];
if (event != nil) {
759
int button;
760
unsigned int type;
761
762
763
BOOL isInGameWin;
#define DO_MOUSE_DOWN(button) do { \
764
765
766
if ( SDL_GetAppState() & SDL_APPMOUSEFOCUS ) { \
SDL_PrivateMouseButton (SDL_PRESSED, button, 0, 0); \
expect_mouse_up |= 1<<button; \
767
768
769
770
} \
[ NSApp sendEvent:event ]; \
} while(0)
771
772
773
774
775
776
#define DO_MOUSE_UP(button) do { \
if ( expect_mouse_up & (1<<button) ) { \
SDL_PrivateMouseButton (SDL_RELEASED, button, 0, 0); \
expect_mouse_up &= ~(1<<button); \
} \
[ NSApp sendEvent:event ]; \
777
} while(0)
778
779
type = [ event type ];
780
isInGameWin = QZ_IsMouseInWindow (this);
781
782
783
QZ_DoModifiers(this, [ event modifierFlags ] );
784
785
switch (type) {
case NSLeftMouseDown:
786
if ( SDL_getenv("SDL_HAS3BUTTONMOUSE") ) {
787
DO_MOUSE_DOWN (SDL_BUTTON_LEFT);
788
} else {
789
if ( NSCommandKeyMask & current_mods ) {
790
791
last_virtual_button = SDL_BUTTON_RIGHT;
DO_MOUSE_DOWN (SDL_BUTTON_RIGHT);
792
793
}
else if ( NSAlternateKeyMask & current_mods ) {
794
795
last_virtual_button = SDL_BUTTON_MIDDLE;
DO_MOUSE_DOWN (SDL_BUTTON_MIDDLE);
796
797
}
else {
798
DO_MOUSE_DOWN (SDL_BUTTON_LEFT);
799
}
800
801
}
break;
802
803
804
case NSLeftMouseUp:
if ( last_virtual_button != 0 ) {
805
DO_MOUSE_UP (last_virtual_button);
806
807
808
last_virtual_button = 0;
}
else {
809
DO_MOUSE_UP (SDL_BUTTON_LEFT);
810
811
}
break;
812
813
814
815
816
817
818
819
820
821
822
823
824
case NSOtherMouseDown:
case NSRightMouseDown:
button = QZ_OtherMouseButtonToSDL([ event buttonNumber ]);
DO_MOUSE_DOWN (button);
break;
case NSOtherMouseUp:
case NSRightMouseUp:
button = QZ_OtherMouseButtonToSDL([ event buttonNumber ]);
DO_MOUSE_UP (button);
break;
825
case NSSystemDefined:
826
827
828
829
830
831
/*
Future: up to 32 "mouse" buttons can be handled.
if ([event subtype] == 7) {
unsigned int buttons;
buttons = [ event data2 ];
*/
832
833
834
break;
case NSLeftMouseDragged:
case NSRightMouseDragged:
835
case NSOtherMouseDragged: /* usually middle mouse dragged */
836
case NSMouseMoved:
837
if ( grab_state == QZ_INVISIBLE_GRAB ) {
838
839
/*
840
If input is grabbed+hidden, the cursor doesn't move,
841
842
843
so we have to call the lowlevel window server
function. This is less accurate but works OK.
*/
844
845
846
847
848
CGMouseDelta dx1, dy1;
CGGetLastMouseDelta (&dx1, &dy1);
dx += dx1;
dy += dy1;
}
849
850
else if (firstMouseEvent) {
851
852
853
854
855
856
857
858
/*
Get the first mouse event in a possible
sequence of mouse moved events. Since we
use absolute coordinates, this serves to
compensate any inaccuracy in deltas, and
provides the first known mouse position,
since everything after this uses deltas
*/
859
860
NSPoint p;
QZ_GetMouseLocation (this, &p);
861
SDL_PrivateMouseMotion (0, 0, p.x, p.y);
862
firstMouseEvent = 0;
863
}
864
865
else {
866
867
868
869
870
871
/*
Get the amount moved since the last drag or move event,
add it on for one big move event at the end.
*/
dx += [ event deltaX ];
dy += [ event deltaY ];
872
}
873
874
875
876
877
878
879
880
881
/*
Handle grab input+cursor visible by warping the cursor back
into the game window. This still generates a mouse moved event,
but not as a result of the warp (so it's in the right direction).
*/
if ( grab_state == QZ_VISIBLE_GRAB &&
!isInGameWin ) {
882
883
NSPoint p;
QZ_GetMouseLocation (this, &p);
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
if ( p.x < 0.0 )
p.x = 0.0;
if ( p.y < 0.0 )
p.y = 0.0;
if ( p.x >= winRect.size.width )
p.x = winRect.size.width-1;
if ( p.y >= winRect.size.height )
p.y = winRect.size.height-1;
QZ_PrivateWarpCursor (this, p.x, p.y);
}
899
900
901
902
else
if ( !isInGameWin && (SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
SDL_PrivateAppActive (0, SDL_APPMOUSEFOCUS);
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
if (grab_state == QZ_INVISIBLE_GRAB)
/*The cursor has left the window even though it is
disassociated from the mouse (and therefore
shouldn't move): this can happen with Wacom
tablets, and it effectively breaks the grab, since
mouse down events now go to background
applications. The only possibility to avoid this
seems to be talking to the tablet driver
(AppleEvents) to constrain its mapped area to the
window, which may not be worth the effort. For
now, handle the condition more gracefully than
before by reassociating cursor and mouse until the
cursor enters the window again, making it obvious
to the user that the grab is broken.*/
CGAssociateMouseAndMouseCursorPosition (1);
918
919
if (!cursor_should_be_visible)
QZ_ShowMouse (this);
920
921
}
else
922
if ( isInGameWin && (SDL_GetAppState() & (SDL_APPMOUSEFOCUS | SDL_APPINPUTFOCUS)) == SDL_APPINPUTFOCUS ) {
923
924
SDL_PrivateAppActive (1, SDL_APPMOUSEFOCUS);
925
926
if (!cursor_should_be_visible)
QZ_HideMouse (this);
927
928
929
930
if (grab_state == QZ_INVISIBLE_GRAB) { /*see comment above*/
QZ_PrivateWarpCursor (this, SDL_VideoSurface->w / 2, SDL_VideoSurface->h / 2);
CGAssociateMouseAndMouseCursorPosition (0);
}
931
}
932
933
break;
case NSScrollWheel:
934
if ( isInGameWin ) {
935
float dy, dx;
936
Uint8 button;
937
dy = [ event deltaY ];
938
939
dx = [ event deltaX ];
if ( dy > 0.0 || dx > 0.0 ) /* Scroll up */
940
button = SDL_BUTTON_WHEELUP;
941
else /* Scroll down */
942
button = SDL_BUTTON_WHEELDOWN;
943
/* For now, wheel is sent as a quick down+up */
944
945
SDL_PrivateMouseButton (SDL_PRESSED, button, 0, 0);
SDL_PrivateMouseButton (SDL_RELEASED, button, 0, 0);
946
947
948
}
break;
case NSKeyUp:
949
QZ_DoKey (this, SDL_RELEASED, event);
950
951
break;
case NSKeyDown:
952
QZ_DoKey (this, SDL_PRESSED, event);
953
954
955
break;
case NSFlagsChanged:
break;
956
/* case NSAppKitDefined: break; */
957
958
959
960
961
/* case NSApplicationDefined: break; */
/* case NSPeriodic: break; */
/* case NSCursorUpdate: break; */
default:
[ NSApp sendEvent:event ];
962
963
}
}
964
965
} while (event != nil);
966
/* handle accumulated mouse moved events */
967
if (dx != 0 || dy != 0)
968
SDL_PrivateMouseMotion (0, 1, dx, dy);
969
970
[ pool release ];
971
}
972
973
974
975
976
977
978
979
void QZ_UpdateMouse (_THIS)
{
NSPoint p;
QZ_GetMouseLocation (this, &p);
SDL_PrivateAppActive (QZ_IsMouseInWindow (this), SDL_APPMOUSEFOCUS);
SDL_PrivateMouseMotion (0, 0, p.x, p.y);
}