SDL_QuartzEvents.m
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:16k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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@libsdl.org
- */
- #include <sys/time.h>
- #include "SDL_QuartzKeys.h"
- static SDLKey keymap[256];
- static unsigned int currentMods = 0; /* Current keyboard modifiers, to track modifier state */
- static int last_virtual_button = 0; /* Last virtual mouse button pressed */
- static void QZ_InitOSKeymap (_THIS) {
- 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;
- 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;
- /* 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
- * bascially only useful for ascii char keys. This is also the reason
- * why we keep the static table, too.
- */
- /* 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;
- }
- }
- /* 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
- */
- 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;
- }
- 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 mapping[] = { SDLK_CAPSLOCK, SDLK_LSHIFT, SDLK_LCTRL, SDLK_LALT, SDLK_LMETA } ;
- int i;
- 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 (i = 0, bit = NSAlphaShiftKeyMask; bit <= NSCommandKeyMask; bit <<= 1, ++i) {
- unsigned int currentMask, newMask;
- currentMask = currentMods & bit;
- newMask = newMods & bit;
- 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)
- SDL_PrivateKeyboard (SDL_PRESSED, &key);
- 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);
- }
- }
- 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);
- }
- /* Hide the mouse cursor if inside the app window */
- if (!QZ_cursor_visible) {
- HideCursor ();
- }
- 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);
- }
- /* Show the mouse cursor */
- if (!QZ_cursor_visible) {
- ShowCursor ();
- }
- SDL_PrivateAppActive (0, SDL_APPINPUTFOCUS);
- }
- static void QZ_PumpEvents (_THIS)
- {
- static NSPoint lastMouse;
- NSPoint mouse, saveMouse;
- Point qdMouse;
- CGMouseDelta dx, dy;
- NSDate *distantPast;
- NSEvent *event;
- NSRect winRect;
- NSRect titleBarRect;
- NSAutoreleasePool *pool;
- pool = [ [ NSAutoreleasePool alloc ] init ];
- distantPast = [ NSDate distantPast ];
- winRect = NSMakeRect (0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h);
- titleBarRect = NSMakeRect ( 0, SDL_VideoSurface->h, SDL_VideoSurface->w,
- SDL_VideoSurface->h + 22 );
- if (currentGrabMode != SDL_GRAB_ON) { /* if grabbed, the cursor can't move! (see fallback below) */
- /* 1/2 second after a warp, the mouse cannot move (don't ask me why) */
- /* So, approximate motion with CGGetLastMouseDelta, which still works, somehow */
- if (! warp_flag) {
- GetGlobalMouse (&qdMouse); /* use Carbon since [ NSEvent mouseLocation ] is broken */
- mouse = NSMakePoint (qdMouse.h, qdMouse.v);
- saveMouse = mouse;
- if (mouse.x != lastMouse.x || mouse.y != lastMouse.y) {
- QZ_PrivateCGToSDL (this, &mouse);
- if (inForeground && NSPointInRect (mouse, winRect)) {
- //printf ("Mouse Loc: (%f, %f)n", mouse.x, mouse.y);
- SDL_PrivateMouseMotion (0, 0, mouse.x, mouse.y);
- }
- }
- lastMouse = saveMouse;
- }
- }
- /* accumulate any mouse events into one SDL mouse event */
- 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) {
- unsigned int type;
- BOOL isForGameWin;
- #define DO_MOUSE_DOWN(button, sendToWindow) do {
- if ( inForeground ) {
- if ( (SDL_VideoSurface->flags & SDL_FULLSCREEN) ||
- NSPointInRect([event locationInWindow], winRect) )
- SDL_PrivateMouseButton (SDL_PRESSED, button, 0, 0);
- }
- else {
- QZ_DoActivate (this);
- }
- [ NSApp sendEvent:event ];
- } while(0)
- #define DO_MOUSE_UP(button, sendToWindow) do {
- if ( (SDL_VideoSurface->flags & SDL_FULLSCREEN) ||
- !NSPointInRect([event locationInWindow], titleBarRect) )
- SDL_PrivateMouseButton (SDL_RELEASED, button, 0, 0);
- [ NSApp sendEvent:event ];
- } while(0)
- type = [ event type ];
- isForGameWin = (qz_window == [ event window ]);
- 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 NSOtherMouseDown: 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 NSOtherMouseUp: 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:
- if (currentGrabMode == SDL_GRAB_ON) {
- /**
- * If input is grabbed, we'll wing it and try to send some mouse
- * moved events with CGGetLastMouseDelta(). Not optimal, but better
- * than nothing.
- **/
- CGMouseDelta dx1, dy1;
- CGGetLastMouseDelta (&dx1, &dy1);
- dx += dx1;
- dy += dy1;
- }
- else if (warp_flag) {
- Uint32 ticks;
- ticks = SDL_GetTicks();
- if (ticks - warp_ticks < 150) {
- CGMouseDelta dx1, dy1;
- CGGetLastMouseDelta (&dx1, &dy1);
- dx += dx1;
- dy += dy1;
- }
- else {
- warp_flag = 0;
- }
- }
- 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 NSAppKitDefined:
- switch ( [ event subtype ] ) {
- case NSApplicationActivatedEventType:
- QZ_DoActivate (this);
- break;
- case NSApplicationDeactivatedEventType:
- QZ_DoDeactivate (this);
- break;
- }
- [ NSApp sendEvent:event ];
- break;
- /* case NSApplicationDefined: break; */
- /* case NSPeriodic: break; */
- /* case NSCursorUpdate: break; */
- default:
- [ NSApp sendEvent:event ];
- }
- }
- } while (event != nil);
- /* check for accumulated mouse events */
- if (dx != 0 || dy != 0)
- SDL_PrivateMouseMotion (0, 1, dx, dy);
- [ pool release ];
- }