diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/x11/SDL_x11events.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/x11/SDL_x11events.c | 1453 |
1 files changed, 0 insertions, 1453 deletions
diff --git a/distrib/sdl-1.2.12/src/video/x11/SDL_x11events.c b/distrib/sdl-1.2.12/src/video/x11/SDL_x11events.c deleted file mode 100644 index 4c48a18..0000000 --- a/distrib/sdl-1.2.12/src/video/x11/SDL_x11events.c +++ /dev/null @@ -1,1453 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Handle the event stream, converting X11 events into SDL events */ - -#include <setjmp.h> -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <X11/keysym.h> -#ifdef __SVR4 -#include <X11/Sunkeysym.h> -#endif -#include <sys/types.h> -#include <sys/time.h> -#include <unistd.h> - -#include "SDL_timer.h" -#include "SDL_syswm.h" -#include "../SDL_sysvideo.h" -#include "../../events/SDL_sysevents.h" -#include "../../events/SDL_events_c.h" -#include "SDL_x11video.h" -#include "SDL_x11dga_c.h" -#include "SDL_x11modes_c.h" -#include "SDL_x11image_c.h" -#include "SDL_x11gamma_c.h" -#include "SDL_x11wm_c.h" -#include "SDL_x11mouse_c.h" -#include "SDL_x11events_c.h" - - -/* Define this if you want to debug X11 events */ -/*#define DEBUG_XEVENTS*/ - -/* The translation tables from an X11 keysym to a SDL keysym */ -static SDLKey ODD_keymap[256]; -static SDLKey MISC_keymap[256]; -SDLKey X11_TranslateKeycode(Display *display, KeyCode kc); - - -#ifdef X_HAVE_UTF8_STRING -Uint32 Utf8ToUcs4(const Uint8 *utf8) -{ - Uint32 c; - int i = 1; - int noOctets = 0; - int firstOctetMask = 0; - unsigned char firstOctet = utf8[0]; - if (firstOctet < 0x80) { - /* - Characters in the range: - 00000000 to 01111111 (ASCII Range) - are stored in one octet: - 0xxxxxxx (The same as its ASCII representation) - The least 6 significant bits of the first octet is the most 6 significant nonzero bits - of the UCS4 representation. - */ - noOctets = 1; - firstOctetMask = 0x7F; /* 0(1111111) - The most significant bit is ignored */ - } else if ((firstOctet & 0xE0) /* get the most 3 significant bits by AND'ing with 11100000 */ - == 0xC0 ) { /* see if those 3 bits are 110. If so, the char is in this range */ - /* - Characters in the range: - 00000000 10000000 to 00000111 11111111 - are stored in two octets: - 110xxxxx 10xxxxxx - The least 5 significant bits of the first octet is the most 5 significant nonzero bits - of the UCS4 representation. - */ - noOctets = 2; - firstOctetMask = 0x1F; /* 000(11111) - The most 3 significant bits are ignored */ - } else if ((firstOctet & 0xF0) /* get the most 4 significant bits by AND'ing with 11110000 */ - == 0xE0) { /* see if those 4 bits are 1110. If so, the char is in this range */ - /* - Characters in the range: - 00001000 00000000 to 11111111 11111111 - are stored in three octets: - 1110xxxx 10xxxxxx 10xxxxxx - The least 4 significant bits of the first octet is the most 4 significant nonzero bits - of the UCS4 representation. - */ - noOctets = 3; - firstOctetMask = 0x0F; /* 0000(1111) - The most 4 significant bits are ignored */ - } else if ((firstOctet & 0xF8) /* get the most 5 significant bits by AND'ing with 11111000 */ - == 0xF0) { /* see if those 5 bits are 11110. If so, the char is in this range */ - /* - Characters in the range: - 00000001 00000000 00000000 to 00011111 11111111 11111111 - are stored in four octets: - 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - The least 3 significant bits of the first octet is the most 3 significant nonzero bits - of the UCS4 representation. - */ - noOctets = 4; - firstOctetMask = 0x07; /* 11110(111) - The most 5 significant bits are ignored */ - } else if ((firstOctet & 0xFC) /* get the most 6 significant bits by AND'ing with 11111100 */ - == 0xF8) { /* see if those 6 bits are 111110. If so, the char is in this range */ - /* - Characters in the range: - 00000000 00100000 00000000 00000000 to - 00000011 11111111 11111111 11111111 - are stored in five octets: - 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - The least 2 significant bits of the first octet is the most 2 significant nonzero bits - of the UCS4 representation. - */ - noOctets = 5; - firstOctetMask = 0x03; /* 111110(11) - The most 6 significant bits are ignored */ - } else if ((firstOctet & 0xFE) /* get the most 7 significant bits by AND'ing with 11111110 */ - == 0xFC) { /* see if those 7 bits are 1111110. If so, the char is in this range */ - /* - Characters in the range: - 00000100 00000000 00000000 00000000 to - 01111111 11111111 11111111 11111111 - are stored in six octets: - 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - The least significant bit of the first octet is the most significant nonzero bit - of the UCS4 representation. - */ - noOctets = 6; - firstOctetMask = 0x01; /* 1111110(1) - The most 7 significant bits are ignored */ - } else - return 0; /* The given chunk is not a valid UTF-8 encoded Unicode character */ - - /* - The least noOctets significant bits of the first octet is the most 2 significant nonzero bits - of the UCS4 representation. - The first 6 bits of the UCS4 representation is the least 8-noOctets-1 significant bits of - firstOctet if the character is not ASCII. If so, it's the least 7 significant bits of firstOctet. - This done by AND'ing firstOctet with its mask to trim the bits used for identifying the - number of continuing octets (if any) and leave only the free bits (the x's) - Sample: - 1-octet: 0xxxxxxx & 01111111 = 0xxxxxxx - 2-octets: 110xxxxx & 00011111 = 000xxxxx - */ - c = firstOctet & firstOctetMask; - - /* Now, start filling c.ucs4 with the bits from the continuing octets from utf8. */ - for (i = 1; i < noOctets; i++) { - /* A valid continuing octet is of the form 10xxxxxx */ - if ((utf8[i] & 0xC0) /* get the most 2 significant bits by AND'ing with 11000000 */ - != 0x80) /* see if those 2 bits are 10. If not, the is a malformed sequence. */ - /*The given chunk is a partial sequence at the end of a string that could - begin a valid character */ - return 0; - - /* Make room for the next 6-bits */ - c <<= 6; - - /* - Take only the least 6 significance bits of the current octet (utf8[i]) and fill the created room - of c.ucs4 with them. - This done by AND'ing utf8[i] with 00111111 and the OR'ing the result with c.ucs4. - */ - c |= utf8[i] & 0x3F; - } - return c; -} - -/* Given a UTF-8 encoded string pointed to by utf8 of length length in - bytes, returns the corresponding UTF-16 encoded string in the - buffer pointed to by utf16. The maximum number of UTF-16 encoding - units (i.e., Unit16s) allowed in the buffer is specified in - utf16_max_length. The return value is the number of UTF-16 - encoding units placed in the output buffer pointed to by utf16. - - In case of an error, -1 is returned, leaving some unusable partial - results in the output buffer. - - The caller must estimate the size of utf16 buffer by itself before - calling this function. Insufficient output buffer is considered as - an error, and once an error occured, this function doesn't give any - clue how large the result will be. - - The error cases include following: - - - Invalid byte sequences were in the input UTF-8 bytes. The caller - has no way to know what point in the input buffer was the - errornous byte. - - - The input contained a character (a valid UTF-8 byte sequence) - whose scalar value exceeded the range that UTF-16 can represent - (i.e., characters whose Unicode scalar value above 0x110000). - - - The output buffer has no enough space to hold entire utf16 data. - - Please note: - - - '\0'-termination is not assumed both on the input UTF-8 string - and on the output UTF-16 string; any legal zero byte in the input - UTF-8 string will be converted to a 16-bit zero in output. As a - side effect, the last UTF-16 encoding unit stored in the output - buffer will have a non-zero value if the input UTF-8 was not - '\0'-terminated. - - - UTF-8 aliases are *not* considered as an error. They are - converted to UTF-16. For example, 0xC0 0xA0, 0xE0 0x80 0xA0, - and 0xF0 0x80 0x80 0xA0 are all mapped to a single UTF-16 - encoding unit 0x0020. - - - Three byte UTF-8 sequences whose value corresponds to a surrogate - code or other reserved scalar value are not considered as an - error either. They may cause an invalid UTF-16 data (e.g., those - containing unpaired surrogates). - -*/ - -static int Utf8ToUtf16(const Uint8 *utf8, const int utf8_length, Uint16 *utf16, const int utf16_max_length) { - - /* p moves over the output buffer. max_ptr points to the next to the last slot of the buffer. */ - Uint16 *p = utf16; - Uint16 const *const max_ptr = utf16 + utf16_max_length; - - /* end_of_input points to the last byte of input as opposed to the next to the last byte. */ - Uint8 const *const end_of_input = utf8 + utf8_length - 1; - - while (utf8 <= end_of_input) { - if (p >= max_ptr) { - /* No more output space. */ - return -1; - } - Uint8 const c = *utf8; - if (c < 0x80) { - /* One byte ASCII. */ - *p++ = c; - utf8 += 1; - } else if (c < 0xC0) { - /* Follower byte without preceeding leader bytes. */ - return -1; - } else if (c < 0xE0) { - /* Two byte sequence. We need one follower byte. */ - if (end_of_input - utf8 < 1 || (((utf8[1] ^ 0x80)) & 0xC0)) { - return -1; - } - *p++ = (Uint16)(0xCF80 + (c << 6) + utf8[1]); - utf8 += 2; - } else if (c < 0xF0) { - /* Three byte sequence. We need two follower byte. */ - if (end_of_input - utf8 < 2 || (((utf8[1] ^ 0x80) | (utf8[2] ^ 0x80)) & 0xC0)) { - return -1; - } - *p++ = (Uint16)(0xDF80 + (c << 12) + (utf8[1] << 6) + utf8[2]); - utf8 += 3; - } else if (c < 0xF8) { - int plane; - /* Four byte sequence. We need three follower bytes. */ - if (end_of_input - utf8 < 3 || (((utf8[1] ^ 0x80) | (utf8[2] ^0x80) | (utf8[3] ^ 0x80)) & 0xC0)) { - return -1; - } - plane = (-0xC8 + (c << 2) + (utf8[1] >> 4)); - if (plane == 0) { - /* This four byte sequence is an alias that - corresponds to a Unicode scalar value in BMP. - It fits in an UTF-16 encoding unit. */ - *p++ = (Uint16)(0xDF80 + (utf8[1] << 12) + (utf8[2] << 6) + utf8[3]); - } else if (plane <= 16) { - /* This is a legal four byte sequence that corresponds to a surrogate pair. */ - if (p + 1 >= max_ptr) { - /* No enough space on the output buffer for the pair. */ - return -1; - } - *p++ = (Uint16)(0xE5B8 + (c << 8) + (utf8[1] << 2) + (utf8[2] >> 4)); - *p++ = (Uint16)(0xDB80 + ((utf8[2] & 0x0F) << 6) + utf8[3]); - } else { - /* This four byte sequence is out of UTF-16 code space. */ - return -1; - } - utf8 += 4; - } else { - /* Longer sequence or unused byte. */ - return -1; - } - } - return p - utf16; -} - -#endif - -/* Check to see if this is a repeated key. - (idea shamelessly lifted from GII -- thanks guys! :) - */ -static int X11_KeyRepeat(Display *display, XEvent *event) -{ - XEvent peekevent; - int repeated; - - repeated = 0; - if ( XPending(display) ) { - XPeekEvent(display, &peekevent); - if ( (peekevent.type == KeyPress) && - (peekevent.xkey.keycode == event->xkey.keycode) && - ((peekevent.xkey.time-event->xkey.time) < 2) ) { - repeated = 1; - XNextEvent(display, &peekevent); - } - } - return(repeated); -} - -/* Note: The X server buffers and accumulates mouse motion events, so - the motion event generated by the warp may not appear exactly as we - expect it to. We work around this (and improve performance) by only - warping the pointer when it reaches the edge, and then wait for it. -*/ -#define MOUSE_FUDGE_FACTOR 8 - -static __inline__ int X11_WarpedMotion(_THIS, XEvent *xevent) -{ - int w, h, i; - int deltax, deltay; - int posted; - - w = SDL_VideoSurface->w; - h = SDL_VideoSurface->h; - deltax = xevent->xmotion.x - mouse_last.x; - deltay = xevent->xmotion.y - mouse_last.y; -#ifdef DEBUG_MOTION - printf("Warped mouse motion: %d,%d\n", deltax, deltay); -#endif - mouse_last.x = xevent->xmotion.x; - mouse_last.y = xevent->xmotion.y; - posted = SDL_PrivateMouseMotion(0, 1, deltax, deltay); - - if ( (xevent->xmotion.x < MOUSE_FUDGE_FACTOR) || - (xevent->xmotion.x > (w-MOUSE_FUDGE_FACTOR)) || - (xevent->xmotion.y < MOUSE_FUDGE_FACTOR) || - (xevent->xmotion.y > (h-MOUSE_FUDGE_FACTOR)) ) { - /* Get the events that have accumulated */ - while ( XCheckTypedEvent(SDL_Display, MotionNotify, xevent) ) { - deltax = xevent->xmotion.x - mouse_last.x; - deltay = xevent->xmotion.y - mouse_last.y; -#ifdef DEBUG_MOTION - printf("Extra mouse motion: %d,%d\n", deltax, deltay); -#endif - mouse_last.x = xevent->xmotion.x; - mouse_last.y = xevent->xmotion.y; - posted += SDL_PrivateMouseMotion(0, 1, deltax, deltay); - } - mouse_last.x = w/2; - mouse_last.y = h/2; - XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, - mouse_last.x, mouse_last.y); - for ( i=0; i<10; ++i ) { - XMaskEvent(SDL_Display, PointerMotionMask, xevent); - if ( (xevent->xmotion.x > - (mouse_last.x-MOUSE_FUDGE_FACTOR)) && - (xevent->xmotion.x < - (mouse_last.x+MOUSE_FUDGE_FACTOR)) && - (xevent->xmotion.y > - (mouse_last.y-MOUSE_FUDGE_FACTOR)) && - (xevent->xmotion.y < - (mouse_last.y+MOUSE_FUDGE_FACTOR)) ) { - break; - } -#ifdef DEBUG_XEVENTS - printf("Lost mouse motion: %d,%d\n", xevent->xmotion.x, xevent->xmotion.y); -#endif - } -#ifdef DEBUG_XEVENTS - if ( i == 10 ) { - printf("Warning: didn't detect mouse warp motion\n"); - } -#endif - } - return(posted); -} - -static int X11_DispatchEvent(_THIS) -{ - int posted; - XEvent xevent; - - SDL_memset(&xevent, '\0', sizeof (XEvent)); /* valgrind fix. --ryan. */ - XNextEvent(SDL_Display, &xevent); - - /* Discard KeyRelease and KeyPress events generated by auto-repeat. - We need to do it before passing event to XFilterEvent. Otherwise, - KeyRelease aware IMs are confused... */ - if ( xevent.type == KeyRelease - && X11_KeyRepeat(SDL_Display, &xevent) ) { - return 0; - } - -#ifdef X_HAVE_UTF8_STRING - /* If we are translating with IM, we need to pass all events - to XFilterEvent, and discard those filtered events immediately. */ - if ( SDL_TranslateUNICODE - && SDL_IM != NULL - && XFilterEvent(&xevent, None) ) { - return 0; - } -#endif - - posted = 0; - switch (xevent.type) { - - /* Gaining mouse coverage? */ - case EnterNotify: { -#ifdef DEBUG_XEVENTS -printf("EnterNotify! (%d,%d)\n", xevent.xcrossing.x, xevent.xcrossing.y); -if ( xevent.xcrossing.mode == NotifyGrab ) -printf("Mode: NotifyGrab\n"); -if ( xevent.xcrossing.mode == NotifyUngrab ) -printf("Mode: NotifyUngrab\n"); -#endif - if ( (xevent.xcrossing.mode != NotifyGrab) && - (xevent.xcrossing.mode != NotifyUngrab) ) { - if ( this->input_grab == SDL_GRAB_OFF ) { - posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); - } - posted = SDL_PrivateMouseMotion(0, 0, - xevent.xcrossing.x, - xevent.xcrossing.y); - } - } - break; - - /* Losing mouse coverage? */ - case LeaveNotify: { -#ifdef DEBUG_XEVENTS -printf("LeaveNotify! (%d,%d)\n", xevent.xcrossing.x, xevent.xcrossing.y); -if ( xevent.xcrossing.mode == NotifyGrab ) -printf("Mode: NotifyGrab\n"); -if ( xevent.xcrossing.mode == NotifyUngrab ) -printf("Mode: NotifyUngrab\n"); -#endif - if ( (xevent.xcrossing.mode != NotifyGrab) && - (xevent.xcrossing.mode != NotifyUngrab) && - (xevent.xcrossing.detail != NotifyInferior) ) { - if ( this->input_grab == SDL_GRAB_OFF ) { - posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); - } else { - posted = SDL_PrivateMouseMotion(0, 0, - xevent.xcrossing.x, - xevent.xcrossing.y); - } - } - } - break; - - /* Gaining input focus? */ - case FocusIn: { -#ifdef DEBUG_XEVENTS -printf("FocusIn!\n"); -#endif - posted = SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); - -#ifdef X_HAVE_UTF8_STRING - if ( SDL_IC != NULL ) { - XSetICFocus(SDL_IC); - } -#endif - /* Queue entry into fullscreen mode */ - switch_waiting = 0x01 | SDL_FULLSCREEN; - switch_time = SDL_GetTicks() + 1500; - } - break; - - /* Losing input focus? */ - case FocusOut: { -#ifdef DEBUG_XEVENTS -printf("FocusOut!\n"); -#endif - posted = SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS); - -#ifdef X_HAVE_UTF8_STRING - if ( SDL_IC != NULL ) { - XUnsetICFocus(SDL_IC); - } -#endif - /* Queue leaving fullscreen mode */ - switch_waiting = 0x01; - switch_time = SDL_GetTicks() + 200; - } - break; - - /* Some IM requires MappingNotify to be passed to - XRefreshKeyboardMapping by the app. */ - case MappingNotify: { - XRefreshKeyboardMapping(&xevent.xmapping); - } - break; - - /* Generated upon EnterWindow and FocusIn */ - case KeymapNotify: { -#ifdef DEBUG_XEVENTS -printf("KeymapNotify!\n"); -#endif - X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector); - } - break; - - /* Mouse motion? */ - case MotionNotify: { - if ( SDL_VideoSurface ) { - if ( mouse_relative ) { - if ( using_dga & DGA_MOUSE ) { -#ifdef DEBUG_MOTION - printf("DGA motion: %d,%d\n", xevent.xmotion.x_root, xevent.xmotion.y_root); -#endif - posted = SDL_PrivateMouseMotion(0, 1, - xevent.xmotion.x_root, - xevent.xmotion.y_root); - } else { - posted = X11_WarpedMotion(this,&xevent); - } - } else { -#ifdef DEBUG_MOTION - printf("X11 motion: %d,%d\n", xevent.xmotion.x, xevent.xmotion.y); -#endif - posted = SDL_PrivateMouseMotion(0, 0, - xevent.xmotion.x, - xevent.xmotion.y); - } - } - } - break; - - /* Mouse button press? */ - case ButtonPress: { - posted = SDL_PrivateMouseButton(SDL_PRESSED, - xevent.xbutton.button, 0, 0); - } - break; - - /* Mouse button release? */ - case ButtonRelease: { - posted = SDL_PrivateMouseButton(SDL_RELEASED, - xevent.xbutton.button, 0, 0); - } - break; - - /* Key press? */ - case KeyPress: { - SDL_keysym keysym; - KeyCode keycode = xevent.xkey.keycode; - -#ifdef DEBUG_XEVENTS -printf("KeyPress (X11 keycode = 0x%X)\n", xevent.xkey.keycode); -#endif - /* If we're not doing translation, we're done! */ - if ( !SDL_TranslateUNICODE ) { - /* Get the translated SDL virtual keysym and put it on the queue.*/ - keysym.scancode = keycode; - keysym.sym = X11_TranslateKeycode(SDL_Display, keycode); - keysym.mod = KMOD_NONE; - keysym.unicode = 0; - posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); - break; - } - - /* Look up the translated value for the key event */ -#ifdef X_HAVE_UTF8_STRING - if ( SDL_IC != NULL ) { - Status status; - KeySym xkeysym; - int i; - /* A UTF-8 character can be at most 6 bytes */ - /* ... It's true, but Xutf8LookupString can - return more than one characters. Moreover, - the spec. put no upper bound, so we should - be ready for longer strings. */ - char keybuf[32]; - char *keydata = keybuf; - int count; - Uint16 utf16buf[32]; - Uint16 *utf16data = utf16buf; - int utf16size; - int utf16length; - - count = Xutf8LookupString(SDL_IC, &xevent.xkey, keydata, sizeof(keybuf), &xkeysym, &status); - if (XBufferOverflow == status) { - /* The IM has just generated somewhat long - string. We need a longer buffer in this - case. */ - keydata = SDL_malloc(count); - if ( keydata == NULL ) { - SDL_OutOfMemory(); - break; - } - count = Xutf8LookupString(SDL_IC, &xevent.xkey, keydata, count, &xkeysym, &status); - } - - switch (status) { - - case XBufferOverflow: { - /* Oops! We have allocated the bytes as - requested by Xutf8LookupString, so the - length of the buffer must be - sufficient. This case should never - happen! */ - SDL_SetError("Xutf8LookupString indicated a double buffer overflow!"); - break; - } - - case XLookupChars: - case XLookupBoth: { - if (0 == count) { - break; - } - - /* We got a converted string from IM. Make - sure to deliver all characters to the - application as SDL events. Note that - an SDL event can only carry one UTF-16 - encoding unit, and a surrogate pair is - delivered as two SDL events. I guess - this behaviour is probably _imported_ - from Windows or MacOS. To do so, we need - to convert the UTF-8 data into UTF-16 - data (not UCS4/UTF-32!). We need an - estimate of the number of UTF-16 encoding - units here. The worst case is pure ASCII - string. Assume so. */ - /* In 1.3 SDL may have a text event instead, that - carries the whole UTF-8 string with it. */ - utf16size = count * sizeof(Uint16); - if (utf16size > sizeof(utf16buf)) { - utf16data = (Uint16 *) SDL_malloc(utf16size); - if (utf16data == NULL) { - SDL_OutOfMemory(); - break; - } - } - utf16length = Utf8ToUtf16((Uint8 *)keydata, count, utf16data, utf16size); - if (utf16length < 0) { - /* The keydata contained an invalid byte - sequence. It should be a bug of the IM - or Xlib... */ - SDL_SetError("Oops! Xutf8LookupString returned an invalid UTF-8 sequence!"); - break; - } - - /* Deliver all UTF-16 encoding units. At - this moment, SDL event queue has a - fixed size (128 events), and an SDL - event can hold just one UTF-16 encoding - unit. So, if we receive more than 128 - UTF-16 encoding units from a commit, - exceeded characters will be lost. */ - for (i = 0; i < utf16length - 1; i++) { - keysym.scancode = 0; - keysym.sym = SDLK_UNKNOWN; - keysym.mod = KMOD_NONE; - keysym.unicode = utf16data[i]; - posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); - } - /* The keysym for the last character carries the - scancode and symbol that corresponds to the X11 - keycode. */ - if (utf16length > 0) { - keysym.scancode = keycode; - keysym.sym = (keycode ? X11_TranslateKeycode(SDL_Display, keycode) : 0); - keysym.mod = KMOD_NONE; - keysym.unicode = utf16data[utf16length - 1]; - posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); - } - break; - } - - case XLookupKeySym: { - /* I'm not sure whether it is possible that - a zero keycode makes XLookupKeySym - status. What I'm sure is that a - combination of a zero scan code and a non - zero sym makes SDL_PrivateKeyboard - strange state... So, just discard it. - If this doesn't work, I'm receiving bug - reports, and I can know under what - condition this case happens. */ - if (keycode) { - keysym.scancode = keycode; - keysym.sym = X11_TranslateKeycode(SDL_Display, keycode); - keysym.mod = KMOD_NONE; - keysym.unicode = 0; - posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); - } - break; - } - - case XLookupNone: { - /* IM has eaten the event. */ - break; - } - - default: - /* An unknown status from Xutf8LookupString. */ - SDL_SetError("Oops! Xutf8LookupStringreturned an unknown status"); - } - - /* Release dynamic buffers if allocated. */ - if (keydata != NULL && keybuf != keydata) { - SDL_free(keydata); - } - if (utf16data != NULL && utf16buf != utf16data) { - SDL_free(utf16data); - } - } - else -#endif - { - static XComposeStatus state; - char keybuf[32]; - - keysym.scancode = keycode; - keysym.sym = X11_TranslateKeycode(SDL_Display, keycode); - keysym.mod = KMOD_NONE; - keysym.unicode = 0; - if ( XLookupString(&xevent.xkey, - keybuf, sizeof(keybuf), - NULL, &state) ) { - /* - * FIXME: XLookupString() may yield more than one - * character, so we need a mechanism to allow for - * this (perhaps null keypress events with a - * unicode value) - */ - keysym.unicode = (Uint8)keybuf[0]; - } - - posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); - } - } - break; - - /* Key release? */ - case KeyRelease: { - SDL_keysym keysym; - KeyCode keycode = xevent.xkey.keycode; - - if (keycode == 0) { - /* There should be no KeyRelease for keycode == 0, - since it is a notification from IM but a real - keystroke. */ - /* We need to emit some diagnostic message here. */ - break; - } - -#ifdef DEBUG_XEVENTS -printf("KeyRelease (X11 keycode = 0x%X)\n", xevent.xkey.keycode); -#endif - - /* Get the translated SDL virtual keysym */ - keysym.scancode = keycode; - keysym.sym = X11_TranslateKeycode(SDL_Display, keycode); - keysym.mod = KMOD_NONE; - keysym.unicode = 0; - - posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym); - } - break; - - /* Have we been iconified? */ - case UnmapNotify: { -#ifdef DEBUG_XEVENTS -printf("UnmapNotify!\n"); -#endif - /* If we're active, make ourselves inactive */ - if ( SDL_GetAppState() & SDL_APPACTIVE ) { - /* Swap out the gamma before we go inactive */ - X11_SwapVidModeGamma(this); - - /* Send an internal deactivate event */ - posted = SDL_PrivateAppActive(0, - SDL_APPACTIVE|SDL_APPINPUTFOCUS); - } - } - break; - - /* Have we been restored? */ - case MapNotify: { -#ifdef DEBUG_XEVENTS -printf("MapNotify!\n"); -#endif - /* If we're not active, make ourselves active */ - if ( !(SDL_GetAppState() & SDL_APPACTIVE) ) { - /* Send an internal activate event */ - posted = SDL_PrivateAppActive(1, SDL_APPACTIVE); - - /* Now that we're active, swap the gamma back */ - X11_SwapVidModeGamma(this); - } - - if ( SDL_VideoSurface && - (SDL_VideoSurface->flags & SDL_FULLSCREEN) ) { - X11_EnterFullScreen(this); - } else { - X11_GrabInputNoLock(this, this->input_grab); - } - X11_CheckMouseModeNoLock(this); - - if ( SDL_VideoSurface ) { - X11_RefreshDisplay(this); - } - } - break; - - /* Have we been resized or moved? */ - case ConfigureNotify: { -#ifdef DEBUG_XEVENTS -printf("ConfigureNotify! (resize: %dx%d)\n", xevent.xconfigure.width, xevent.xconfigure.height); -#endif - if ( SDL_VideoSurface ) { - if ((xevent.xconfigure.width != SDL_VideoSurface->w) || - (xevent.xconfigure.height != SDL_VideoSurface->h)) { - /* FIXME: Find a better fix for the bug with KDE 1.2 */ - if ( ! ((xevent.xconfigure.width == 32) && - (xevent.xconfigure.height == 32)) ) { - SDL_PrivateResize(xevent.xconfigure.width, - xevent.xconfigure.height); - } - } else { - /* OpenGL windows need to know about the change */ - if ( SDL_VideoSurface->flags & SDL_OPENGL ) { - SDL_PrivateExpose(); - } - } - } - } - break; - - /* Have we been requested to quit (or another client message?) */ - case ClientMessage: { - if ( (xevent.xclient.format == 32) && - (xevent.xclient.data.l[0] == WM_DELETE_WINDOW) ) - { - posted = SDL_PrivateQuit(); - } else - if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { - SDL_SysWMmsg wmmsg; - - SDL_VERSION(&wmmsg.version); - wmmsg.subsystem = SDL_SYSWM_X11; - wmmsg.event.xevent = xevent; - posted = SDL_PrivateSysWMEvent(&wmmsg); - } - } - break; - - /* Do we need to refresh ourselves? */ - case Expose: { -#ifdef DEBUG_XEVENTS -printf("Expose (count = %d)\n", xevent.xexpose.count); -#endif - if ( SDL_VideoSurface && (xevent.xexpose.count == 0) ) { - X11_RefreshDisplay(this); - } - } - break; - - default: { -#ifdef DEBUG_XEVENTS -printf("Unhandled event %d\n", xevent.type); -#endif - /* Only post the event if we're watching for it */ - if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { - SDL_SysWMmsg wmmsg; - - SDL_VERSION(&wmmsg.version); - wmmsg.subsystem = SDL_SYSWM_X11; - wmmsg.event.xevent = xevent; - posted = SDL_PrivateSysWMEvent(&wmmsg); - } - } - break; - } - return(posted); -} - -/* Ack! XPending() actually performs a blocking read if no events available */ -int X11_Pending(Display *display) -{ - /* Flush the display connection and look to see if events are queued */ - XFlush(display); - if ( XEventsQueued(display, QueuedAlready) ) { - return(1); - } - - /* More drastic measures are required -- see if X is ready to talk */ - { - static struct timeval zero_time; /* static == 0 */ - int x11_fd; - fd_set fdset; - - x11_fd = ConnectionNumber(display); - FD_ZERO(&fdset); - FD_SET(x11_fd, &fdset); - if ( select(x11_fd+1, &fdset, NULL, NULL, &zero_time) == 1 ) { - return(XPending(display)); - } - } - - /* Oh well, nothing is ready .. */ - return(0); -} - -void X11_PumpEvents(_THIS) -{ - int pending; - - /* Keep processing pending events */ - pending = 0; - while ( X11_Pending(SDL_Display) ) { - X11_DispatchEvent(this); - ++pending; - } - if ( switch_waiting ) { - Uint32 now; - - now = SDL_GetTicks(); - if ( pending || !SDL_VideoSurface ) { - /* Try again later... */ - if ( switch_waiting & SDL_FULLSCREEN ) { - switch_time = now + 1500; - } else { - switch_time = now + 200; - } - } else if ( (int)(switch_time-now) <= 0 ) { - Uint32 go_fullscreen; - - go_fullscreen = switch_waiting & SDL_FULLSCREEN; - switch_waiting = 0; - if ( SDL_VideoSurface->flags & SDL_FULLSCREEN ) { - if ( go_fullscreen ) { - X11_EnterFullScreen(this); - } else { - X11_LeaveFullScreen(this); - } - } - /* Handle focus in/out when grabbed */ - if ( go_fullscreen ) { - X11_GrabInputNoLock(this, this->input_grab); - } else { - X11_GrabInputNoLock(this, SDL_GRAB_OFF); - } - X11_CheckMouseModeNoLock(this); - } - } -} - -void X11_InitKeymap(void) -{ - int i; - - /* Odd keys used in international keyboards */ - for ( i=0; i<SDL_arraysize(ODD_keymap); ++i ) - ODD_keymap[i] = SDLK_UNKNOWN; - - /* Some of these might be mappable to an existing SDLK_ code */ - ODD_keymap[XK_dead_grave&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_acute&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_tilde&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_macron&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_breve&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_abovedot&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_diaeresis&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_abovering&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_doubleacute&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_caron&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_cedilla&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_ogonek&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_iota&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_voiced_sound&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_semivoiced_sound&0xFF] = SDLK_COMPOSE; - ODD_keymap[XK_dead_belowdot&0xFF] = SDLK_COMPOSE; -#ifdef XK_dead_hook - ODD_keymap[XK_dead_hook&0xFF] = SDLK_COMPOSE; -#endif -#ifdef XK_dead_horn - ODD_keymap[XK_dead_horn&0xFF] = SDLK_COMPOSE; -#endif - -#ifdef XK_dead_circumflex - /* These X keysyms have 0xFE as the high byte */ - ODD_keymap[XK_dead_circumflex&0xFF] = SDLK_CARET; -#endif -#ifdef XK_ISO_Level3_Shift - ODD_keymap[XK_ISO_Level3_Shift&0xFF] = SDLK_MODE; /* "Alt Gr" key */ -#endif - - /* Map the miscellaneous keys */ - for ( i=0; i<SDL_arraysize(MISC_keymap); ++i ) - MISC_keymap[i] = SDLK_UNKNOWN; - - /* These X keysyms have 0xFF as the high byte */ - MISC_keymap[XK_BackSpace&0xFF] = SDLK_BACKSPACE; - MISC_keymap[XK_Tab&0xFF] = SDLK_TAB; - MISC_keymap[XK_Clear&0xFF] = SDLK_CLEAR; - MISC_keymap[XK_Return&0xFF] = SDLK_RETURN; - MISC_keymap[XK_Pause&0xFF] = SDLK_PAUSE; - MISC_keymap[XK_Escape&0xFF] = SDLK_ESCAPE; - MISC_keymap[XK_Delete&0xFF] = SDLK_DELETE; - - MISC_keymap[XK_KP_0&0xFF] = SDLK_KP0; /* Keypad 0-9 */ - MISC_keymap[XK_KP_1&0xFF] = SDLK_KP1; - MISC_keymap[XK_KP_2&0xFF] = SDLK_KP2; - MISC_keymap[XK_KP_3&0xFF] = SDLK_KP3; - MISC_keymap[XK_KP_4&0xFF] = SDLK_KP4; - MISC_keymap[XK_KP_5&0xFF] = SDLK_KP5; - MISC_keymap[XK_KP_6&0xFF] = SDLK_KP6; - MISC_keymap[XK_KP_7&0xFF] = SDLK_KP7; - MISC_keymap[XK_KP_8&0xFF] = SDLK_KP8; - MISC_keymap[XK_KP_9&0xFF] = SDLK_KP9; - MISC_keymap[XK_KP_Insert&0xFF] = SDLK_KP0; - MISC_keymap[XK_KP_End&0xFF] = SDLK_KP1; - MISC_keymap[XK_KP_Down&0xFF] = SDLK_KP2; - MISC_keymap[XK_KP_Page_Down&0xFF] = SDLK_KP3; - MISC_keymap[XK_KP_Left&0xFF] = SDLK_KP4; - MISC_keymap[XK_KP_Begin&0xFF] = SDLK_KP5; - MISC_keymap[XK_KP_Right&0xFF] = SDLK_KP6; - MISC_keymap[XK_KP_Home&0xFF] = SDLK_KP7; - MISC_keymap[XK_KP_Up&0xFF] = SDLK_KP8; - MISC_keymap[XK_KP_Page_Up&0xFF] = SDLK_KP9; - MISC_keymap[XK_KP_Delete&0xFF] = SDLK_KP_PERIOD; - MISC_keymap[XK_KP_Decimal&0xFF] = SDLK_KP_PERIOD; - MISC_keymap[XK_KP_Divide&0xFF] = SDLK_KP_DIVIDE; - MISC_keymap[XK_KP_Multiply&0xFF] = SDLK_KP_MULTIPLY; - MISC_keymap[XK_KP_Subtract&0xFF] = SDLK_KP_MINUS; - MISC_keymap[XK_KP_Add&0xFF] = SDLK_KP_PLUS; - MISC_keymap[XK_KP_Enter&0xFF] = SDLK_KP_ENTER; - MISC_keymap[XK_KP_Equal&0xFF] = SDLK_KP_EQUALS; - - MISC_keymap[XK_Up&0xFF] = SDLK_UP; - MISC_keymap[XK_Down&0xFF] = SDLK_DOWN; - MISC_keymap[XK_Right&0xFF] = SDLK_RIGHT; - MISC_keymap[XK_Left&0xFF] = SDLK_LEFT; - MISC_keymap[XK_Insert&0xFF] = SDLK_INSERT; - MISC_keymap[XK_Home&0xFF] = SDLK_HOME; - MISC_keymap[XK_End&0xFF] = SDLK_END; - MISC_keymap[XK_Page_Up&0xFF] = SDLK_PAGEUP; - MISC_keymap[XK_Page_Down&0xFF] = SDLK_PAGEDOWN; - - MISC_keymap[XK_F1&0xFF] = SDLK_F1; - MISC_keymap[XK_F2&0xFF] = SDLK_F2; - MISC_keymap[XK_F3&0xFF] = SDLK_F3; - MISC_keymap[XK_F4&0xFF] = SDLK_F4; - MISC_keymap[XK_F5&0xFF] = SDLK_F5; - MISC_keymap[XK_F6&0xFF] = SDLK_F6; - MISC_keymap[XK_F7&0xFF] = SDLK_F7; - MISC_keymap[XK_F8&0xFF] = SDLK_F8; - MISC_keymap[XK_F9&0xFF] = SDLK_F9; - MISC_keymap[XK_F10&0xFF] = SDLK_F10; - MISC_keymap[XK_F11&0xFF] = SDLK_F11; - MISC_keymap[XK_F12&0xFF] = SDLK_F12; - MISC_keymap[XK_F13&0xFF] = SDLK_F13; - MISC_keymap[XK_F14&0xFF] = SDLK_F14; - MISC_keymap[XK_F15&0xFF] = SDLK_F15; - - MISC_keymap[XK_Num_Lock&0xFF] = SDLK_NUMLOCK; - MISC_keymap[XK_Caps_Lock&0xFF] = SDLK_CAPSLOCK; - MISC_keymap[XK_Scroll_Lock&0xFF] = SDLK_SCROLLOCK; - MISC_keymap[XK_Shift_R&0xFF] = SDLK_RSHIFT; - MISC_keymap[XK_Shift_L&0xFF] = SDLK_LSHIFT; - MISC_keymap[XK_Control_R&0xFF] = SDLK_RCTRL; - MISC_keymap[XK_Control_L&0xFF] = SDLK_LCTRL; - MISC_keymap[XK_Alt_R&0xFF] = SDLK_RALT; - MISC_keymap[XK_Alt_L&0xFF] = SDLK_LALT; - MISC_keymap[XK_Meta_R&0xFF] = SDLK_RMETA; - MISC_keymap[XK_Meta_L&0xFF] = SDLK_LMETA; - MISC_keymap[XK_Super_L&0xFF] = SDLK_LSUPER; /* Left "Windows" */ - MISC_keymap[XK_Super_R&0xFF] = SDLK_RSUPER; /* Right "Windows */ - MISC_keymap[XK_Mode_switch&0xFF] = SDLK_MODE; /* "Alt Gr" key */ - MISC_keymap[XK_Multi_key&0xFF] = SDLK_COMPOSE; /* Multi-key compose */ - - MISC_keymap[XK_Help&0xFF] = SDLK_HELP; - MISC_keymap[XK_Print&0xFF] = SDLK_PRINT; - MISC_keymap[XK_Sys_Req&0xFF] = SDLK_SYSREQ; - MISC_keymap[XK_Break&0xFF] = SDLK_BREAK; - MISC_keymap[XK_Menu&0xFF] = SDLK_MENU; - MISC_keymap[XK_Hyper_R&0xFF] = SDLK_MENU; /* Windows "Menu" key */ -} - -/* Get the translated SDL virtual keysym */ -SDLKey X11_TranslateKeycode(Display *display, KeyCode kc) -{ - KeySym xsym; - SDLKey key; - - xsym = XKeycodeToKeysym(display, kc, 0); -#ifdef DEBUG_KEYS - fprintf(stderr, "Translating key code %d -> 0x%.4x\n", kc, xsym); -#endif - key = SDLK_UNKNOWN; - if ( xsym ) { - switch (xsym>>8) { - case 0x1005FF: -#ifdef SunXK_F36 - if ( xsym == SunXK_F36 ) - key = SDLK_F11; -#endif -#ifdef SunXK_F37 - if ( xsym == SunXK_F37 ) - key = SDLK_F12; -#endif - break; - case 0x00: /* Latin 1 */ - key = (SDLKey)(xsym & 0xFF); - break; - case 0x01: /* Latin 2 */ - case 0x02: /* Latin 3 */ - case 0x03: /* Latin 4 */ - case 0x04: /* Katakana */ - case 0x05: /* Arabic */ - case 0x06: /* Cyrillic */ - case 0x07: /* Greek */ - case 0x08: /* Technical */ - case 0x0A: /* Publishing */ - case 0x0C: /* Hebrew */ - case 0x0D: /* Thai */ - /* These are wrong, but it's better than nothing */ - key = (SDLKey)(xsym & 0xFF); - break; - case 0xFE: - key = ODD_keymap[xsym&0xFF]; - break; - case 0xFF: - key = MISC_keymap[xsym&0xFF]; - break; - default: - /* - fprintf(stderr, "X11: Unhandled xsym, sym = 0x%04x\n", - (unsigned int)xsym); - */ - break; - } - } else { - /* X11 doesn't know how to translate the key! */ - switch (kc) { - /* Caution: - These keycodes are from the Microsoft Keyboard - */ - case 115: - key = SDLK_LSUPER; - break; - case 116: - key = SDLK_RSUPER; - break; - case 117: - key = SDLK_MENU; - break; - default: - /* - * no point in an error message; happens for - * several keys when we get a keymap notify - */ - break; - } - } - return key; -} - -/* X11 modifier masks for various keys */ -static unsigned meta_l_mask, meta_r_mask, alt_l_mask, alt_r_mask; -static unsigned num_mask, mode_switch_mask; - -static void get_modifier_masks(Display *display) -{ - static unsigned got_masks; - int i, j; - XModifierKeymap *xmods; - unsigned n; - - if(got_masks) - return; - - xmods = XGetModifierMapping(display); - n = xmods->max_keypermod; - for(i = 3; i < 8; i++) { - for(j = 0; j < n; j++) { - KeyCode kc = xmods->modifiermap[i * n + j]; - KeySym ks = XKeycodeToKeysym(display, kc, 0); - unsigned mask = 1 << i; - switch(ks) { - case XK_Num_Lock: - num_mask = mask; break; - case XK_Alt_L: - alt_l_mask = mask; break; - case XK_Alt_R: - alt_r_mask = mask; break; - case XK_Meta_L: - meta_l_mask = mask; break; - case XK_Meta_R: - meta_r_mask = mask; break; - case XK_Mode_switch: - mode_switch_mask = mask; break; - } - } - } - XFreeModifiermap(xmods); - got_masks = 1; -} - - -/* - * This function is semi-official; it is not officially exported and should - * not be considered part of the SDL API, but may be used by client code - * that *really* needs it (including legacy code). - * It is slow, though, and should be avoided if possible. - * - * Note that it isn't completely accurate either; in particular, multi-key - * sequences (dead accents, compose key sequences) will not work since the - * state has been irrevocably lost. - */ -Uint16 X11_KeyToUnicode(SDLKey keysym, SDLMod modifiers) -{ - struct SDL_VideoDevice *this = current_video; - char keybuf[32]; - int i; - KeySym xsym = 0; - XKeyEvent xkey; - Uint16 unicode; - - if ( !this || !SDL_Display ) { - return 0; - } - - SDL_memset(&xkey, 0, sizeof(xkey)); - xkey.display = SDL_Display; - - xsym = keysym; /* last resort if not found */ - for (i = 0; i < 256; ++i) { - if ( MISC_keymap[i] == keysym ) { - xsym = 0xFF00 | i; - break; - } else if ( ODD_keymap[i] == keysym ) { - xsym = 0xFE00 | i; - break; - } - } - - xkey.keycode = XKeysymToKeycode(xkey.display, xsym); - - get_modifier_masks(SDL_Display); - if(modifiers & KMOD_SHIFT) - xkey.state |= ShiftMask; - if(modifiers & KMOD_CAPS) - xkey.state |= LockMask; - if(modifiers & KMOD_CTRL) - xkey.state |= ControlMask; - if(modifiers & KMOD_MODE) - xkey.state |= mode_switch_mask; - if(modifiers & KMOD_LALT) - xkey.state |= alt_l_mask; - if(modifiers & KMOD_RALT) - xkey.state |= alt_r_mask; - if(modifiers & KMOD_LMETA) - xkey.state |= meta_l_mask; - if(modifiers & KMOD_RMETA) - xkey.state |= meta_r_mask; - if(modifiers & KMOD_NUM) - xkey.state |= num_mask; - - unicode = 0; - if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, NULL) ) - unicode = (unsigned char)keybuf[0]; - return(unicode); -} - - -/* - * Called when focus is regained, to read the keyboard state and generate - * synthetic keypress/release events. - * key_vec is a bit vector of keycodes (256 bits) - */ -void X11_SetKeyboardState(Display *display, const char *key_vec) -{ - char keys_return[32]; - int i; - Uint8 *kstate = SDL_GetKeyState(NULL); - SDLMod modstate; - Window junk_window; - int x, y; - unsigned int mask; - - /* The first time the window is mapped, we initialize key state */ - if ( ! key_vec ) { - XQueryKeymap(display, keys_return); - key_vec = keys_return; - } - - /* Get the keyboard modifier state */ - modstate = 0; - get_modifier_masks(display); - if ( XQueryPointer(display, DefaultRootWindow(display), - &junk_window, &junk_window, &x, &y, &x, &y, &mask) ) { - if ( mask & LockMask ) { - modstate |= KMOD_CAPS; - } - if ( mask & mode_switch_mask ) { - modstate |= KMOD_MODE; - } - if ( mask & num_mask ) { - modstate |= KMOD_NUM; - } - } - - /* Zero the new keyboard state and generate it */ - SDL_memset(kstate, 0, SDLK_LAST); - /* - * An obvious optimisation is to check entire longwords at a time in - * both loops, but we can't be sure the arrays are aligned so it's not - * worth the extra complexity - */ - for ( i = 0; i < 32; i++ ) { - int j; - if ( !key_vec[i] ) - continue; - for ( j = 0; j < 8; j++ ) { - if ( key_vec[i] & (1 << j) ) { - SDLKey key; - KeyCode kc = (i << 3 | j); - key = X11_TranslateKeycode(display, kc); - if ( key == SDLK_UNKNOWN ) { - continue; - } - kstate[key] = SDL_PRESSED; - switch (key) { - case SDLK_LSHIFT: - modstate |= KMOD_LSHIFT; - break; - case SDLK_RSHIFT: - modstate |= KMOD_RSHIFT; - break; - case SDLK_LCTRL: - modstate |= KMOD_LCTRL; - break; - case SDLK_RCTRL: - modstate |= KMOD_RCTRL; - break; - case SDLK_LALT: - modstate |= KMOD_LALT; - break; - case SDLK_RALT: - modstate |= KMOD_RALT; - break; - case SDLK_LMETA: - modstate |= KMOD_LMETA; - break; - case SDLK_RMETA: - modstate |= KMOD_RMETA; - break; - default: - break; - } - } - } - } - - /* Hack - set toggle key state */ - if ( modstate & KMOD_CAPS ) { - kstate[SDLK_CAPSLOCK] = SDL_PRESSED; - } else { - kstate[SDLK_CAPSLOCK] = SDL_RELEASED; - } - if ( modstate & KMOD_NUM ) { - kstate[SDLK_NUMLOCK] = SDL_PRESSED; - } else { - kstate[SDLK_NUMLOCK] = SDL_RELEASED; - } - - /* Set the final modifier state */ - SDL_SetModState(modstate); -} - -void X11_InitOSKeymap(_THIS) -{ - X11_InitKeymap(); -} - -void X11_SaveScreenSaver(Display *display, int *saved_timeout, BOOL *dpms) -{ - int timeout, interval, prefer_blank, allow_exp; - XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp); - *saved_timeout = timeout; - -#if SDL_VIDEO_DRIVER_X11_DPMS - if ( SDL_X11_HAVE_DPMS ) { - int dummy; - if ( DPMSQueryExtension(display, &dummy, &dummy) ) { - CARD16 state; - DPMSInfo(display, &state, dpms); - } - } -#else - *dpms = 0; -#endif /* SDL_VIDEO_DRIVER_X11_DPMS */ -} - -void X11_DisableScreenSaver(_THIS, Display *display) -{ - int timeout, interval, prefer_blank, allow_exp; - - if (this->hidden->allow_screensaver) { - return; - } - - XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp); - timeout = 0; - XSetScreenSaver(display, timeout, interval, prefer_blank, allow_exp); - -#if SDL_VIDEO_DRIVER_X11_DPMS - if ( SDL_X11_HAVE_DPMS ) { - int dummy; - if ( DPMSQueryExtension(display, &dummy, &dummy) ) { - DPMSDisable(display); - } - } -#endif /* SDL_VIDEO_DRIVER_X11_DPMS */ -} - -void X11_RestoreScreenSaver(_THIS, Display *display, int saved_timeout, BOOL dpms) -{ - int timeout, interval, prefer_blank, allow_exp; - - if (this->hidden->allow_screensaver) { - return; - } - - XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp); - timeout = saved_timeout; - XSetScreenSaver(display, timeout, interval, prefer_blank, allow_exp); - -#if SDL_VIDEO_DRIVER_X11_DPMS - if ( SDL_X11_HAVE_DPMS ) { - int dummy; - if ( DPMSQueryExtension(display, &dummy, &dummy) ) { - if ( dpms ) { - DPMSEnable(display); - } - } - } -#endif /* SDL_VIDEO_DRIVER_X11_DPMS */ -} |