/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga

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

Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Sam Lantinga

slouken@devolution.com

*/

#include "SDL_QuartzKeys.h"

static int last_virtual_button = 0; // Last virtual mouse button pressed

static void QZ_InitOSKeymap (_THIS) {

int i;

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;

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;

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;

}

static void QZ_DoKey (int state, NSEvent *event) {

NSString *chars;

int i;

SDL_keysym key;

/* An event can contain multiple characters */

/* I'll ignore this fact for now, since there is only one virtual key code per event */

chars = [ event characters ];

for (i =0; i < 1 /*[ chars length ] */; i++) {

key.scancode = [ event keyCode ];

key.sym = keymap [ key.scancode ];

key.unicode = [ chars characterAtIndex:i];

key.mod = KMOD_NONE;

SDL_PrivateKeyboard (state, &key);

}

}

static void QZ_DoModifiers (unsigned int newMods) {

const int offset = 18;

const int mapping[] = { SDLK_LSHIFT, SDLK_LCTRL, SDLK_LALT, 0, SDLK_LMETA } ;

int bit;

SDL_keysym key;

key.scancode = 0;

key.sym = SDLK_UNKNOWN;

key.unicode = 0;

key.mod = KMOD_NONE;

/* Iterate through the bits, testing each against the current modifiers */

for (bit = NSShiftKeyMask; bit <= NSCommandKeyMask; bit <<= 1) {

unsigned int currentMask, newMask;

currentMask = currentMods & bit;

newMask = newMods & bit;

if ( currentMask &&

currentMask != newMask ) { /* modifier up event */

key.sym = mapping[ currentMask >> offset ];

SDL_PrivateKeyboard (SDL_RELEASED, &key);

}

else

if ( newMask &&

currentMask != newMask ) { /* modifier down event */

key.sym = mapping [ newMask >> offset ];

SDL_PrivateKeyboard (SDL_PRESSED, &key);

}

}

currentMods = newMods;

}

static void QZ_DoActivate (_THIS)

{

inForeground = YES;

/* Regrab the mouse */

if (currentGrabMode == SDL_GRAB_ON) {

QZ_WarpWMCursor (this, SDL_VideoSurface->w / 2, SDL_VideoSurface->h / 2);

CGAssociateMouseAndMouseCursorPosition (0);

}

SDL_PrivateAppActive (1, SDL_APPINPUTFOCUS);

}

static void QZ_DoDeactivate (_THIS) {

inForeground = NO;

/* Ungrab mouse if it is grabbed */

if (currentGrabMode == SDL_GRAB_ON) {

CGAssociateMouseAndMouseCursorPosition (1);

}

SDL_PrivateAppActive (0, SDL_APPINPUTFOCUS);

}

static void QZ_PumpEvents (_THIS)

{

NSDate *distantPast;

NSEvent *event;

NSRect winRect;

NSRect titleBarRect;

NSAutoreleasePool *pool;

distantPast = [ [ NSDate distantPast ] retain ];

pool = [ [ NSAutoreleasePool alloc ] init ];

winRect = NSMakeRect (0, 0, SDL_VideoSurface->w + 1, SDL_VideoSurface->h + 1);

titleBarRect = NSMakeRect ( 0, SDL_VideoSurface->h, SDL_VideoSurface->w,

SDL_VideoSurface->h + 22 );

do {

/* Poll for an event. This will not block */

event = [ NSApp nextEventMatchingMask:NSAnyEventMask

untilDate:distantPast

inMode: NSDefaultRunLoopMode dequeue:YES ];

if (event != nil) {

unsigned int type;

#define DO_MOUSE_DOWN(button, sendToWindow) \

if ( inForeground ) { \

if ( (SDL_VideoSurface->flags & SDL_FULLSCREEN) || \

NSPointInRect([event locationInWindow], winRect) ) \

SDL_PrivateMouseButton (SDL_PRESSED, button, 0, 0); \

else if (sendToWindow) \

[ window sendEvent:event ]; \

} \

else { \

QZ_DoActivate (this); \

}

#define DO_MOUSE_UP(button, sendToWindow) \

if ( (SDL_VideoSurface->flags & SDL_FULLSCREEN) || \

!NSPointInRect([event locationInWindow], titleBarRect) )\

SDL_PrivateMouseButton (SDL_RELEASED, button, 0, 0); \

if (sendToWindow) \

[ window sendEvent:event ]

type = [ event type ];

switch (type) {

case NSLeftMouseDown:

if ( NSCommandKeyMask & currentMods ) {

last_virtual_button = 3;

DO_MOUSE_DOWN (3, 0);

}

else if ( NSAlternateKeyMask & currentMods ) {

last_virtual_button = 2;

DO_MOUSE_DOWN (2, 0);

}

else {

DO_MOUSE_DOWN (1, 1);

}

break;

case 25: DO_MOUSE_DOWN (2, 0); break;

case NSRightMouseDown: DO_MOUSE_DOWN (3, 0); break;

case NSLeftMouseUp:

if ( last_virtual_button != 0 ) {

DO_MOUSE_UP (last_virtual_button, 0);

last_virtual_button = 0;

}

else {

DO_MOUSE_UP (1, 1);

}

break;

case 26: DO_MOUSE_UP (2, 0); break;

case NSRightMouseUp: DO_MOUSE_UP (3, 0); break;

case NSSystemDefined:

//if ([event subtype] == 7) {

// unsigned int buttons; // up to 32 mouse button states!

// buttons = [ event data2 ];

//}

break;

case NSLeftMouseDragged:

case NSRightMouseDragged:

case 27:

case NSMouseMoved:

{

static int moves = 0;

NSPoint p;

if ( SDL_VideoSurface->flags & SDL_FULLSCREEN ) {

p = [ NSEvent mouseLocation ];

p.y = [[NSScreen mainScreen] frame].size.height - p.y;

} else {

p = [ event locationInWindow ];

p.y = SDL_VideoSurface->h - p.y;

}

if ( (moves % 10) == 0 ) {

SDL_PrivateMouseMotion (0, 0, p.x, p.y);

}

else {

CGMouseDelta dx, dy;

CGGetLastMouseDelta (&dx, &dy);

SDL_PrivateMouseMotion (0, 1, dx, dy);

}

moves++;

}

break;

case NSScrollWheel:

{

if (NSPointInRect([ event locationInWindow ], winRect)) {

float dy;

dy = [ event deltaY ];

if ( dy > 0.0 ) /* Scroll up */

SDL_PrivateMouseButton (SDL_PRESSED, 4, 0, 0);

else /* Scroll down */

SDL_PrivateMouseButton (SDL_PRESSED, 5, 0, 0);

}

}

break;

case NSKeyUp:

QZ_DoKey (SDL_RELEASED, event);

break;

case NSKeyDown:

QZ_DoKey (SDL_PRESSED, event);

break;

case NSFlagsChanged:

QZ_DoModifiers( [ event modifierFlags ] );

break;

case NSMouseEntered: break;

case NSMouseExited: break;

case NSAppKitDefined:

switch ( [ event subtype ] ) {

case NSApplicationActivatedEventType:

QZ_DoActivate (this);

break;

case NSApplicationDeactivatedEventType:

QZ_DoDeactivate (this);

break;

case NSWindowMovedEventType:

[ window sendEvent:event ];

break;

}

break;

case NSApplicationDefined: break;

case NSPeriodic: break;

case NSCursorUpdate: break;

}

}

} while (event != nil);

[ pool release ];

[ distantPast release ];

}