From caf639e27f3647e678590382c2dd0739dba625a5 Mon Sep 17 00:00:00 2001 From: cc_benny Date: Sat, 14 Feb 2004 16:32:39 +0000 Subject: * Fix: Convert DOS lineends to Unix. --- macosx/tkMacOSXKeyboard.c | 1648 ++++++++++++++++++++++----------------------- 1 file changed, 824 insertions(+), 824 deletions(-) diff --git a/macosx/tkMacOSXKeyboard.c b/macosx/tkMacOSXKeyboard.c index c79a2d0..f1c2f12 100644 --- a/macosx/tkMacOSXKeyboard.c +++ b/macosx/tkMacOSXKeyboard.c @@ -1,824 +1,824 @@ -/* - * tkMacOSXKeyboard.c -- - * - * Routines to support keyboard events on the Macintosh. - * - * Copyright (c) 1995-1997 Sun Microsystems, Inc. - * Copyright 2001, Apple Computer, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tkMacOSXKeyboard.c,v 1.15 2004/02/07 16:21:08 cc_benny Exp $ - */ - -#include "tkInt.h" -#include "X11/Xlib.h" -#include "X11/keysym.h" -#include -#include "tkMacOSXInt.h" -#include "tkMacOSXEvent.h" /* TkMacOSXKeycodeToUnicode() FIXME: That - * function should probably move here. */ - -/* - * A couple of simple definitions to make code a bit more self-explaining. - * - * For the assignments of Mod1==alt==command and Mod2==meta==option, see also - * tkMacOSXMouseEvent.c. - */ - -#define LATIN1_MAX 255 -#define MAC_KEYCODE_MAX 0x7F -#define MAC_KEYCODE_MASK 0x7F -#define ALT_MASK Mod1Mask -#define OPTION_MASK Mod2Mask - - -/* - * Tables enumerating the special keys defined on Mac keyboards. These are - * necessary for correct keysym mappings for all keys where the keysyms are - * not identical with their ASCII or Latin-1 code points. - */ - -typedef struct { - int keycode; /* Macintosh keycode. */ - KeySym keysym; /* X windows keysym. */ -} KeyInfo; - -/* - * Notes on keyArray: - * - * 0x34, XK_Return - Powerbooks use this and some keymaps define it. - * - * 0x4C, XK_Return - XFree86 and Apple's X11 call this one XK_KP_Enter. - * - * 0x47, XK_Clear - This key is NumLock when used on PCs, but Mac - * applications don't use it like that, nor does Apple's X11. - * - * All other keycodes are taken from the published ADB keyboard layouts. - */ - -static KeyInfo keyArray[] = { - {0x24, XK_Return}, - {0x30, XK_Tab}, - {0x33, XK_BackSpace}, - {0x34, XK_Return}, - {0x35, XK_Escape}, - - {0x47, XK_Clear}, - {0x4C, XK_Return}, - - {0x72, XK_Help}, - {0x73, XK_Home}, - {0x74, XK_Page_Up}, - {0x75, XK_Delete}, - {0x77, XK_End}, - {0x79, XK_Page_Down}, - - {0x7B, XK_Left}, - {0x7C, XK_Right}, - {0x7D, XK_Down}, - {0x7E, XK_Up}, - - {0, 0} -}; - -static KeyInfo virtualkeyArray[] = { - {122, XK_F1}, - {120, XK_F2}, - {99, XK_F3}, - {118, XK_F4}, - {96, XK_F5}, - {97, XK_F6}, - {98, XK_F7}, - {100, XK_F8}, - {101, XK_F9}, - {109, XK_F10}, - {103, XK_F11}, - {111, XK_F12}, - {105, XK_F13}, - {107, XK_F14}, - {113, XK_F15}, - {0, 0} -}; - -static int initialized = 0; -static Tcl_HashTable keycodeTable; /* keyArray hashed by keycode value. */ -static Tcl_HashTable vkeyTable; /* virtualkeyArray hashed by virtual - * keycode value. */ - -static int latin1Table[LATIN1_MAX+1]; /* Reverse mapping table for - * controls, ASCII and Latin-1. */ - -/* - * Prototypes for static functions used in this file. - */ - -static void InitKeyMaps (void); -static void InitLatin1Table(Display *display); -static int XKeysymToMacKeycode(Display *display, KeySym keysym); - - -/* - *---------------------------------------------------------------------- - * - * InitKeyMaps -- - * - * Creates hash tables used by some of the functions in this file. - * - * FIXME: As keycodes are defined to be in the limited range 0-127, it - * would be easier and more efficient to use directly initialized plain - * arrays and drop this function. - * - * Results: - * None. - * - * Side effects: - * Allocates memory & creates some hash tables. - * - *---------------------------------------------------------------------- - */ - -static void -InitKeyMaps() -{ - Tcl_HashEntry *hPtr; - KeyInfo *kPtr; - int dummy; - - Tcl_InitHashTable(&keycodeTable, TCL_ONE_WORD_KEYS); - for (kPtr = keyArray; kPtr->keycode != 0; kPtr++) { - hPtr = Tcl_CreateHashEntry(&keycodeTable, (char *) kPtr->keycode, - &dummy); - Tcl_SetHashValue(hPtr, kPtr->keysym); - } - Tcl_InitHashTable(&vkeyTable, TCL_ONE_WORD_KEYS); - for (kPtr = virtualkeyArray; kPtr->keycode != 0; kPtr++) { - hPtr = Tcl_CreateHashEntry(&vkeyTable, (char *) kPtr->keycode, - &dummy); - Tcl_SetHashValue(hPtr, kPtr->keysym); - } - initialized = 1; -} - -/* - *---------------------------------------------------------------------- - * - * InitLatin1Table -- - * - * Creates a simple table to be used for mapping from keysyms to - * keycodes. Always needs to be called before using latin1Table, - * because the keyboard layout may have changed, and than the table must - * be re-computed. - * - * Results: - * None. - * - * Side effects: - * Sets the global latin1Table. - * - *---------------------------------------------------------------------- - */ - -static void -InitLatin1Table( - Display *display) -{ - static Boolean latin1_initialized = false; - static SInt16 lastKeyLayoutID = -1; - - SInt16 keyScript; - SInt16 keyLayoutID; - - keyScript = GetScriptManagerVariable(smKeyScript); - keyLayoutID = GetScriptVariable(keyScript,smScriptKeys); - - if (!latin1_initialized || (lastKeyLayoutID != keyLayoutID)) { - int keycode; - KeySym keysym; - int state; - int modifiers; - - latin1_initialized = true; - lastKeyLayoutID = keyLayoutID; - - memset(latin1Table, 0, sizeof(latin1Table)); - - /* - * In the common X11 implementations, a keymap has four columns - * "plain", "Shift", "Mode_switch" and "Mode_switch + Shift". We - * don't use "Mode_switch", but we use "Option" instead. (This is - * similar to Apple's X11 implementation, where "Mode_switch" is used - * as an alias for "Option".) - * - * So here we go through all 4 columns of the keymap and find all - * Latin-1 compatible keycodes. We go through the columns - * back-to-front from the more exotic columns to the more simple, so - * that simple keycode-modifier combinations are preferred in the - * resulting table. - */ - - for (state = 3; state >= 0; state--) { - modifiers = 0; - if (state & 1) { - modifiers |= shiftKey; - } - if (state & 2) { - modifiers |= optionKey; - } - - for (keycode = 0; keycode <= MAC_KEYCODE_MAX; keycode++) { - keysym = XKeycodeToKeysym(display,keycode<<16,state); - if (keysym <= LATIN1_MAX) { - latin1Table[keysym] = keycode | modifiers; - } - } - } - } -} - -/* - *---------------------------------------------------------------------- - * - * XKeycodeToKeysym -- - * - * Translate from a system-dependent keycode to a system-independent - * keysym. - * - * Results: - * Returns the translated keysym, or NoSymbol on failure. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -KeySym -XKeycodeToKeysym( - Display* display, - KeyCode keycode, - int index) -{ - register Tcl_HashEntry *hPtr; - int newKeycode; - UniChar newChar; - - (void) display; /*unused*/ - - if (!initialized) { - InitKeyMaps(); - } - - /* - * When determining what keysym to produce we first check to see if the - * key is a function key. We then check to see if the character is - * another non-printing key. Finally, we return the key syms for all - * ASCII and Latin-1 chars. - */ - - newKeycode = keycode >> 16; - - if ((keycode & 0xFFFF) == 0x10) { - hPtr = Tcl_FindHashEntry(&vkeyTable, (char *) newKeycode); - if (hPtr != NULL) { - return (KeySym) Tcl_GetHashValue(hPtr); - } - } - hPtr = Tcl_FindHashEntry(&keycodeTable, (char *) newKeycode); - if (hPtr != NULL) { - return (KeySym) Tcl_GetHashValue(hPtr); - } - - /* - * Add in the Mac modifier flags for shift and option. - */ - - if (index & 1) { - newKeycode |= shiftKey; - } - if (index & 2) { - newKeycode |= optionKey; - } - - newChar = 0; - TkMacOSXKeycodeToUnicode( - &newChar, 1, kEventRawKeyDown, - newKeycode & 0x00FF, newKeycode & 0xFF00, NULL); - - /* - * X11 keysyms are identical to Unicode for ASCII and Latin-1. Give up - * for other characters for now. - */ - - if ((newChar >= XK_space) && (newChar <= LATIN1_MAX)) { - return newChar; - } - - return NoSymbol; -} - -/* - *---------------------------------------------------------------------- - * - * TkpGetString -- - * - * Retrieve the string equivalent for the given keyboard event. - * - * Results: - * Returns the UTF string. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -char * -TkpGetString( - TkWindow *winPtr, /* Window where event occurred: Needed to get - * input context. */ - XEvent *eventPtr, /* X keyboard event. */ - Tcl_DString *dsPtr) /* Uninitialized or empty string to hold - * result. */ -{ - (void) winPtr; /*unused*/ - Tcl_DStringInit(dsPtr); - return Tcl_DStringAppend(dsPtr, eventPtr->xkey.trans_chars, -1); -} - -/* - *---------------------------------------------------------------------- - * - * XGetModifierMapping -- - * - * Fetch the current keycodes used as modifiers. - * - * Results: - * Returns a new modifier map. - * - * Side effects: - * Allocates a new modifier map data structure. - * - *---------------------------------------------------------------------- - */ - -XModifierKeymap * -XGetModifierMapping( - Display* display) -{ - XModifierKeymap * modmap; - - (void) display; /*unused*/ - - /* - * MacOSX doesn't use the key codes for the modifiers for anything, and - * we don't generate them either. So there is no modifier map. - */ - - modmap = (XModifierKeymap *) ckalloc(sizeof(XModifierKeymap)); - modmap->max_keypermod = 0; - modmap->modifiermap = NULL; - return modmap; -} - -/* - *---------------------------------------------------------------------- - * - * XFreeModifiermap -- - * - * Deallocate a modifier map that was created by XGetModifierMapping. - * - * Results: - * None. - * - * Side effects: - * Frees the datastructure referenced by modmap. - * - *---------------------------------------------------------------------- - */ - -void -XFreeModifiermap( - XModifierKeymap *modmap) -{ - if (modmap->modifiermap != NULL) { - ckfree((char *) modmap->modifiermap); - } - ckfree((char *) modmap); -} - -/* - *---------------------------------------------------------------------- - * - * XKeysymToString, XStringToKeysym -- - * - * These X window functions map keysyms to strings & strings to keysyms. - * However, Tk already does this for the most common keysyms. - * Therefore, these functions only need to support keysyms that will be - * specific to the Macintosh. Currently, there are none. - * - * Results: - * None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -char * -XKeysymToString( - KeySym keysym) -{ - return NULL; -} - -KeySym -XStringToKeysym( - const char* string) -{ - return NoSymbol; -} - -/* - *---------------------------------------------------------------------- - * - * XKeysymToMacKeycode -- - * - * An internal function like XKeysymToKeycode but only generating the - * Mac specific keycode plus the modifiers Shift and Option. - * - * Results: - * A Mac keycode with the actual keycode in the low byte and Mac-style - * modifier bits in the high byte. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -static int -XKeysymToMacKeycode( - Display *display, - KeySym keysym) -{ - if (keysym <= LATIN1_MAX) { - - /* - * Handle keysyms in the Latin-1 range where keysym and Unicode - * character code point are the same. - */ - - InitLatin1Table(display); - return latin1Table[keysym]; - - } else { - - /* - * Handle special keys from our exception tables. Don't mind if this - * is slow, neither the test suite nor [event generate] need to be - * optimized (we hope). - */ - - KeyInfo *kPtr; - - for (kPtr = keyArray; kPtr->keycode != 0; kPtr++) { - if (kPtr->keysym == keysym) { - return kPtr->keycode; - } - } - for (kPtr = virtualkeyArray; kPtr->keycode != 0; kPtr++) { - if (kPtr->keysym == keysym) { - return kPtr->keycode; - } - } - - /* - * For other keysyms (not Latin-1 and not special keys), we'd need a - * generic keysym-to-unicode table. We don't have that, so we give - * up here. - */ - - return 0; - } -} - -/* - *---------------------------------------------------------------------- - * - * XKeysymToKeycode -- - * - * The function XKeysymToKeycode takes an X11 keysym and converts it - * into a Mac keycode. It is in the stubs table for compatibility but - * not used anywhere in the core. - * - * Results: - * A 32 bit keycode with the the mac keycode (without modifiers) in the - * higher 16 bits of the keycode and the ASCII or Latin-1 code in the - * lower 8 bits of the keycode. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -KeyCode -XKeysymToKeycode( - Display* display, - KeySym keysym) -{ - int macKeycode = XKeysymToMacKeycode(display, keysym); - KeyCode result; - - /* - * See also TkpSetKeycodeAndState. The 0x0010 magic is used in - * XKeycodeToKeysym. For special keys like XK_Return the lower 8 bits of - * the keysym are usually a related ASCII control code. - */ - - if ((keysym >= XK_F1) && (keysym <= XK_F35)) { - result = 0x0010; - } else { - result = 0x00FF & keysym; - } - result |= (macKeycode & MAC_KEYCODE_MASK) << 16; - - return result; -} - -/* -NB: Keep this commented code for a moment for reference. - - if ((keysym >= XK_space) && (XK_asciitilde)) { - if (keysym == 'a') { - virtualKeyCode = 0x00; - } else if (keysym == 'b' || keysym == 'B') { - virtualKeyCode = 0x0B; - } else if (keysym == 'c') { - virtualKeyCode = 0x08; - } else if (keysym == 'x' || keysym == 'X') { - virtualKeyCode = 0x07; - } else if (keysym == 'z') { - virtualKeyCode = 0x06; - } else if (keysym == ' ') { - virtualKeyCode = 0x31; - } else if (keysym == XK_Return) { - virtualKeyCode = 0x24; - keysym = '\r'; - } - keycode = keysym + (virtualKeyCode <<16); - } - - return keycode; -*/ - -/* - *---------------------------------------------------------------------- - * - * TkpSetKeycodeAndState -- - * - * The function TkpSetKeycodeAndState takes a keysym and fills in the - * appropriate members of an XEvent. It is similar to XKeysymToKeycode, - * but it also sets the modifier mask in the XEvent. It is used by - * [event generate] and it is in the stubs table. - * - * Results: - * Fills an XEvent, sets the member xkey.keycode with a keycode - * formatted the same as XKeysymToKeycode and the member xkey.state with - * the modifiers implied by the keysym. Also fills in xkey.trans_chars, - * so that the actual characters can be retrieved later. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -void -TkpSetKeycodeAndState( - Tk_Window tkwin, - KeySym keysym, - XEvent *eventPtr) -{ - if (keysym == NoSymbol) { - eventPtr->xkey.keycode = 0; - } else { - Display *display = Tk_Display(tkwin); - int macKeycode = XKeysymToMacKeycode(display, keysym); - - /* - * See also XKeysymToKeycode. - */ - - if ((keysym >= XK_F1) && (keysym <= XK_F35)) { - eventPtr->xkey.keycode = 0x0010; - } else { - eventPtr->xkey.keycode = 0x00FF & keysym; - } - eventPtr->xkey.keycode |= (macKeycode & MAC_KEYCODE_MASK) << 16; - - if (shiftKey & macKeycode) { - eventPtr->xkey.state |= ShiftMask; - } - if (optionKey & macKeycode) { - eventPtr->xkey.state |= OPTION_MASK; - } - - if (keysym <= LATIN1_MAX) { - int done; - done = Tcl_UniCharToUtf(keysym,eventPtr->xkey.trans_chars); - eventPtr->xkey.trans_chars[done] = 0; - } else { - eventPtr->xkey.trans_chars[0] = 0; - } - } -} - -/* - *---------------------------------------------------------------------- - * - * TkpGetKeySym -- - * - * Given an X KeyPress or KeyRelease event, map the keycode in the event - * into a keysym. - * - * Results: - * The return value is the keysym corresponding to eventPtr, or NoSymbol - * if no matching keysym could be found. - * - * Side effects: - * In the first call for a given display, keycode-to-keysym maps get - * loaded. - * - *---------------------------------------------------------------------- - */ - -KeySym -TkpGetKeySym( - TkDisplay *dispPtr, /* Display in which to map keycode. */ - XEvent *eventPtr) /* Description of X event. */ -{ - KeySym sym; - int index; - - /* - * Refresh the mapping information if it's stale. - */ - - if (dispPtr->bindInfoStale) { - TkpInitKeymapInfo(dispPtr); - } - - /* - * Handle pure modifier keys specially. We use -1 as a signal for - * this. - */ - - if (eventPtr->xany.send_event == -1) { - int modifier = eventPtr->xkey.keycode; - if (modifier == cmdKey) { - return XK_Alt_L; - } else if (modifier == shiftKey) { - return XK_Shift_L; - } else if (modifier == alphaLock) { - return XK_Caps_Lock; - } else if (modifier == optionKey) { - return XK_Meta_L; - } else if (modifier == controlKey) { - return XK_Control_L; - } else if (modifier == rightShiftKey) { - return XK_Shift_R; - } else if (modifier == rightOptionKey) { - return XK_Meta_R; - } else if (modifier == rightControlKey) { - return XK_Control_R; - } else { - - /* - * If we get here, we probably need to implement something new. - */ - - return NoSymbol; - } - } - - /* - * Figure out which of the four slots in the keymap vector to use for - * this key. Refer to Xlib documentation for more info on how this - * computation works. (Note: We use "Option" in keymap columns 2 and 3 - * where other implementations have "Mode_switch".) - */ - - index = 0; - - /* - * We want Option key combinations to use their base chars as keysyms, so - * we ignore the option modifier here. - */ - -#if 0 - if (eventPtr->xkey.state & OPTION_MASK) { - index |= 2; - } -#endif - - if ((eventPtr->xkey.state & ShiftMask) - || (/* (dispPtr->lockUsage != LU_IGNORE) - && */ (eventPtr->xkey.state & LockMask))) { - index |= 1; - } - - /* - * First try of the actual translation. - */ - - sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, index); - - /* - * Special handling: If the key was shifted because of Lock, but lock is - * only caps lock, not shift lock, and the shifted keysym isn't - * upper-case alphabetic, then switch back to the unshifted keysym. - */ - - if ((index & 1) && !(eventPtr->xkey.state & ShiftMask) - /*&& (dispPtr->lockUsage == LU_CAPS)*/ ) { - - /* - * FIXME: Keysyms are only identical to Unicode for ASCII and - * Latin-1, so we can't use Tcl_UniCharIsUpper() for keysyms outside - * that range. This may be a serious problem here. - */ - - if ((sym == NoSymbol) || (sym > LATIN1_MAX) - || !Tcl_UniCharIsUpper(sym)) { - index &= ~1; - sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, - index); - } - } - - /* - * Another bit of special handling: If this is a shifted key and there is - * no keysym defined, then use the keysym for the unshifted key. - */ - - if ((index & 1) && (sym == NoSymbol)) { - sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, - index & ~1); - } - return sym; -} - -/* - *-------------------------------------------------------------- - * - * TkpInitKeymapInfo -- - * - * This procedure is invoked to scan keymap information to recompute - * stuff that's important for binding, such as the modifier key (if any) - * that corresponds to the "Mode_switch" keysym. - * - * Results: - * None. - * - * Side effects: - * Keymap-related information in dispPtr is updated. - * - *-------------------------------------------------------------- - */ - -void -TkpInitKeymapInfo( - TkDisplay *dispPtr) /* Display for which to recompute keymap - * information. */ -{ - dispPtr->bindInfoStale = 0; - - /* - * Behaviours that are variable on X11 are defined constant on MacOSX. - * lockUsage is only used above in TkpGetKeySym(), nowhere else - * currently. There is no offical "Mode_switch" key. - */ - - dispPtr->lockUsage = LU_CAPS; - dispPtr->modeModMask = 0; - dispPtr->altModMask = ALT_MASK; - dispPtr->metaModMask = OPTION_MASK; - - /* - * MacOSX doesn't use the keycodes for the modifiers for anything, and we - * don't generate them either (the keycodes actually given in the - * simulated modifier events are bogus). So there is no modifier map. - * If we ever want to simulate real modifier keycodes, the list will be - * constant in the Carbon implementation. - */ - - if (dispPtr->modKeyCodes != NULL) { - ckfree((char *) dispPtr->modKeyCodes); - } - dispPtr->numModKeyCodes = 0; - dispPtr->modKeyCodes = NULL; -} +/* + * tkMacOSXKeyboard.c -- + * + * Routines to support keyboard events on the Macintosh. + * + * Copyright (c) 1995-1997 Sun Microsystems, Inc. + * Copyright 2001, Apple Computer, Inc. + * + * See the file "license.terms" for information on usage and redistribution + * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * + * RCS: @(#) $Id: tkMacOSXKeyboard.c,v 1.16 2004/02/14 16:32:39 cc_benny Exp $ + */ + +#include "tkInt.h" +#include "X11/Xlib.h" +#include "X11/keysym.h" +#include +#include "tkMacOSXInt.h" +#include "tkMacOSXEvent.h" /* TkMacOSXKeycodeToUnicode() FIXME: That + * function should probably move here. */ + +/* + * A couple of simple definitions to make code a bit more self-explaining. + * + * For the assignments of Mod1==alt==command and Mod2==meta==option, see also + * tkMacOSXMouseEvent.c. + */ + +#define LATIN1_MAX 255 +#define MAC_KEYCODE_MAX 0x7F +#define MAC_KEYCODE_MASK 0x7F +#define ALT_MASK Mod1Mask +#define OPTION_MASK Mod2Mask + + +/* + * Tables enumerating the special keys defined on Mac keyboards. These are + * necessary for correct keysym mappings for all keys where the keysyms are + * not identical with their ASCII or Latin-1 code points. + */ + +typedef struct { + int keycode; /* Macintosh keycode. */ + KeySym keysym; /* X windows keysym. */ +} KeyInfo; + +/* + * Notes on keyArray: + * + * 0x34, XK_Return - Powerbooks use this and some keymaps define it. + * + * 0x4C, XK_Return - XFree86 and Apple's X11 call this one XK_KP_Enter. + * + * 0x47, XK_Clear - This key is NumLock when used on PCs, but Mac + * applications don't use it like that, nor does Apple's X11. + * + * All other keycodes are taken from the published ADB keyboard layouts. + */ + +static KeyInfo keyArray[] = { + {0x24, XK_Return}, + {0x30, XK_Tab}, + {0x33, XK_BackSpace}, + {0x34, XK_Return}, + {0x35, XK_Escape}, + + {0x47, XK_Clear}, + {0x4C, XK_Return}, + + {0x72, XK_Help}, + {0x73, XK_Home}, + {0x74, XK_Page_Up}, + {0x75, XK_Delete}, + {0x77, XK_End}, + {0x79, XK_Page_Down}, + + {0x7B, XK_Left}, + {0x7C, XK_Right}, + {0x7D, XK_Down}, + {0x7E, XK_Up}, + + {0, 0} +}; + +static KeyInfo virtualkeyArray[] = { + {122, XK_F1}, + {120, XK_F2}, + {99, XK_F3}, + {118, XK_F4}, + {96, XK_F5}, + {97, XK_F6}, + {98, XK_F7}, + {100, XK_F8}, + {101, XK_F9}, + {109, XK_F10}, + {103, XK_F11}, + {111, XK_F12}, + {105, XK_F13}, + {107, XK_F14}, + {113, XK_F15}, + {0, 0} +}; + +static int initialized = 0; +static Tcl_HashTable keycodeTable; /* keyArray hashed by keycode value. */ +static Tcl_HashTable vkeyTable; /* virtualkeyArray hashed by virtual + * keycode value. */ + +static int latin1Table[LATIN1_MAX+1]; /* Reverse mapping table for + * controls, ASCII and Latin-1. */ + +/* + * Prototypes for static functions used in this file. + */ + +static void InitKeyMaps (void); +static void InitLatin1Table(Display *display); +static int XKeysymToMacKeycode(Display *display, KeySym keysym); + + +/* + *---------------------------------------------------------------------- + * + * InitKeyMaps -- + * + * Creates hash tables used by some of the functions in this file. + * + * FIXME: As keycodes are defined to be in the limited range 0-127, it + * would be easier and more efficient to use directly initialized plain + * arrays and drop this function. + * + * Results: + * None. + * + * Side effects: + * Allocates memory & creates some hash tables. + * + *---------------------------------------------------------------------- + */ + +static void +InitKeyMaps() +{ + Tcl_HashEntry *hPtr; + KeyInfo *kPtr; + int dummy; + + Tcl_InitHashTable(&keycodeTable, TCL_ONE_WORD_KEYS); + for (kPtr = keyArray; kPtr->keycode != 0; kPtr++) { + hPtr = Tcl_CreateHashEntry(&keycodeTable, (char *) kPtr->keycode, + &dummy); + Tcl_SetHashValue(hPtr, kPtr->keysym); + } + Tcl_InitHashTable(&vkeyTable, TCL_ONE_WORD_KEYS); + for (kPtr = virtualkeyArray; kPtr->keycode != 0; kPtr++) { + hPtr = Tcl_CreateHashEntry(&vkeyTable, (char *) kPtr->keycode, + &dummy); + Tcl_SetHashValue(hPtr, kPtr->keysym); + } + initialized = 1; +} + +/* + *---------------------------------------------------------------------- + * + * InitLatin1Table -- + * + * Creates a simple table to be used for mapping from keysyms to + * keycodes. Always needs to be called before using latin1Table, + * because the keyboard layout may have changed, and than the table must + * be re-computed. + * + * Results: + * None. + * + * Side effects: + * Sets the global latin1Table. + * + *---------------------------------------------------------------------- + */ + +static void +InitLatin1Table( + Display *display) +{ + static Boolean latin1_initialized = false; + static SInt16 lastKeyLayoutID = -1; + + SInt16 keyScript; + SInt16 keyLayoutID; + + keyScript = GetScriptManagerVariable(smKeyScript); + keyLayoutID = GetScriptVariable(keyScript,smScriptKeys); + + if (!latin1_initialized || (lastKeyLayoutID != keyLayoutID)) { + int keycode; + KeySym keysym; + int state; + int modifiers; + + latin1_initialized = true; + lastKeyLayoutID = keyLayoutID; + + memset(latin1Table, 0, sizeof(latin1Table)); + + /* + * In the common X11 implementations, a keymap has four columns + * "plain", "Shift", "Mode_switch" and "Mode_switch + Shift". We + * don't use "Mode_switch", but we use "Option" instead. (This is + * similar to Apple's X11 implementation, where "Mode_switch" is used + * as an alias for "Option".) + * + * So here we go through all 4 columns of the keymap and find all + * Latin-1 compatible keycodes. We go through the columns + * back-to-front from the more exotic columns to the more simple, so + * that simple keycode-modifier combinations are preferred in the + * resulting table. + */ + + for (state = 3; state >= 0; state--) { + modifiers = 0; + if (state & 1) { + modifiers |= shiftKey; + } + if (state & 2) { + modifiers |= optionKey; + } + + for (keycode = 0; keycode <= MAC_KEYCODE_MAX; keycode++) { + keysym = XKeycodeToKeysym(display,keycode<<16,state); + if (keysym <= LATIN1_MAX) { + latin1Table[keysym] = keycode | modifiers; + } + } + } + } +} + +/* + *---------------------------------------------------------------------- + * + * XKeycodeToKeysym -- + * + * Translate from a system-dependent keycode to a system-independent + * keysym. + * + * Results: + * Returns the translated keysym, or NoSymbol on failure. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +KeySym +XKeycodeToKeysym( + Display* display, + KeyCode keycode, + int index) +{ + register Tcl_HashEntry *hPtr; + int newKeycode; + UniChar newChar; + + (void) display; /*unused*/ + + if (!initialized) { + InitKeyMaps(); + } + + /* + * When determining what keysym to produce we first check to see if the + * key is a function key. We then check to see if the character is + * another non-printing key. Finally, we return the key syms for all + * ASCII and Latin-1 chars. + */ + + newKeycode = keycode >> 16; + + if ((keycode & 0xFFFF) == 0x10) { + hPtr = Tcl_FindHashEntry(&vkeyTable, (char *) newKeycode); + if (hPtr != NULL) { + return (KeySym) Tcl_GetHashValue(hPtr); + } + } + hPtr = Tcl_FindHashEntry(&keycodeTable, (char *) newKeycode); + if (hPtr != NULL) { + return (KeySym) Tcl_GetHashValue(hPtr); + } + + /* + * Add in the Mac modifier flags for shift and option. + */ + + if (index & 1) { + newKeycode |= shiftKey; + } + if (index & 2) { + newKeycode |= optionKey; + } + + newChar = 0; + TkMacOSXKeycodeToUnicode( + &newChar, 1, kEventRawKeyDown, + newKeycode & 0x00FF, newKeycode & 0xFF00, NULL); + + /* + * X11 keysyms are identical to Unicode for ASCII and Latin-1. Give up + * for other characters for now. + */ + + if ((newChar >= XK_space) && (newChar <= LATIN1_MAX)) { + return newChar; + } + + return NoSymbol; +} + +/* + *---------------------------------------------------------------------- + * + * TkpGetString -- + * + * Retrieve the string equivalent for the given keyboard event. + * + * Results: + * Returns the UTF string. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +char * +TkpGetString( + TkWindow *winPtr, /* Window where event occurred: Needed to get + * input context. */ + XEvent *eventPtr, /* X keyboard event. */ + Tcl_DString *dsPtr) /* Uninitialized or empty string to hold + * result. */ +{ + (void) winPtr; /*unused*/ + Tcl_DStringInit(dsPtr); + return Tcl_DStringAppend(dsPtr, eventPtr->xkey.trans_chars, -1); +} + +/* + *---------------------------------------------------------------------- + * + * XGetModifierMapping -- + * + * Fetch the current keycodes used as modifiers. + * + * Results: + * Returns a new modifier map. + * + * Side effects: + * Allocates a new modifier map data structure. + * + *---------------------------------------------------------------------- + */ + +XModifierKeymap * +XGetModifierMapping( + Display* display) +{ + XModifierKeymap * modmap; + + (void) display; /*unused*/ + + /* + * MacOSX doesn't use the key codes for the modifiers for anything, and + * we don't generate them either. So there is no modifier map. + */ + + modmap = (XModifierKeymap *) ckalloc(sizeof(XModifierKeymap)); + modmap->max_keypermod = 0; + modmap->modifiermap = NULL; + return modmap; +} + +/* + *---------------------------------------------------------------------- + * + * XFreeModifiermap -- + * + * Deallocate a modifier map that was created by XGetModifierMapping. + * + * Results: + * None. + * + * Side effects: + * Frees the datastructure referenced by modmap. + * + *---------------------------------------------------------------------- + */ + +void +XFreeModifiermap( + XModifierKeymap *modmap) +{ + if (modmap->modifiermap != NULL) { + ckfree((char *) modmap->modifiermap); + } + ckfree((char *) modmap); +} + +/* + *---------------------------------------------------------------------- + * + * XKeysymToString, XStringToKeysym -- + * + * These X window functions map keysyms to strings & strings to keysyms. + * However, Tk already does this for the most common keysyms. + * Therefore, these functions only need to support keysyms that will be + * specific to the Macintosh. Currently, there are none. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +char * +XKeysymToString( + KeySym keysym) +{ + return NULL; +} + +KeySym +XStringToKeysym( + const char* string) +{ + return NoSymbol; +} + +/* + *---------------------------------------------------------------------- + * + * XKeysymToMacKeycode -- + * + * An internal function like XKeysymToKeycode but only generating the + * Mac specific keycode plus the modifiers Shift and Option. + * + * Results: + * A Mac keycode with the actual keycode in the low byte and Mac-style + * modifier bits in the high byte. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +XKeysymToMacKeycode( + Display *display, + KeySym keysym) +{ + if (keysym <= LATIN1_MAX) { + + /* + * Handle keysyms in the Latin-1 range where keysym and Unicode + * character code point are the same. + */ + + InitLatin1Table(display); + return latin1Table[keysym]; + + } else { + + /* + * Handle special keys from our exception tables. Don't mind if this + * is slow, neither the test suite nor [event generate] need to be + * optimized (we hope). + */ + + KeyInfo *kPtr; + + for (kPtr = keyArray; kPtr->keycode != 0; kPtr++) { + if (kPtr->keysym == keysym) { + return kPtr->keycode; + } + } + for (kPtr = virtualkeyArray; kPtr->keycode != 0; kPtr++) { + if (kPtr->keysym == keysym) { + return kPtr->keycode; + } + } + + /* + * For other keysyms (not Latin-1 and not special keys), we'd need a + * generic keysym-to-unicode table. We don't have that, so we give + * up here. + */ + + return 0; + } +} + +/* + *---------------------------------------------------------------------- + * + * XKeysymToKeycode -- + * + * The function XKeysymToKeycode takes an X11 keysym and converts it + * into a Mac keycode. It is in the stubs table for compatibility but + * not used anywhere in the core. + * + * Results: + * A 32 bit keycode with the the mac keycode (without modifiers) in the + * higher 16 bits of the keycode and the ASCII or Latin-1 code in the + * lower 8 bits of the keycode. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +KeyCode +XKeysymToKeycode( + Display* display, + KeySym keysym) +{ + int macKeycode = XKeysymToMacKeycode(display, keysym); + KeyCode result; + + /* + * See also TkpSetKeycodeAndState. The 0x0010 magic is used in + * XKeycodeToKeysym. For special keys like XK_Return the lower 8 bits of + * the keysym are usually a related ASCII control code. + */ + + if ((keysym >= XK_F1) && (keysym <= XK_F35)) { + result = 0x0010; + } else { + result = 0x00FF & keysym; + } + result |= (macKeycode & MAC_KEYCODE_MASK) << 16; + + return result; +} + +/* +NB: Keep this commented code for a moment for reference. + + if ((keysym >= XK_space) && (XK_asciitilde)) { + if (keysym == 'a') { + virtualKeyCode = 0x00; + } else if (keysym == 'b' || keysym == 'B') { + virtualKeyCode = 0x0B; + } else if (keysym == 'c') { + virtualKeyCode = 0x08; + } else if (keysym == 'x' || keysym == 'X') { + virtualKeyCode = 0x07; + } else if (keysym == 'z') { + virtualKeyCode = 0x06; + } else if (keysym == ' ') { + virtualKeyCode = 0x31; + } else if (keysym == XK_Return) { + virtualKeyCode = 0x24; + keysym = '\r'; + } + keycode = keysym + (virtualKeyCode <<16); + } + + return keycode; +*/ + +/* + *---------------------------------------------------------------------- + * + * TkpSetKeycodeAndState -- + * + * The function TkpSetKeycodeAndState takes a keysym and fills in the + * appropriate members of an XEvent. It is similar to XKeysymToKeycode, + * but it also sets the modifier mask in the XEvent. It is used by + * [event generate] and it is in the stubs table. + * + * Results: + * Fills an XEvent, sets the member xkey.keycode with a keycode + * formatted the same as XKeysymToKeycode and the member xkey.state with + * the modifiers implied by the keysym. Also fills in xkey.trans_chars, + * so that the actual characters can be retrieved later. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +TkpSetKeycodeAndState( + Tk_Window tkwin, + KeySym keysym, + XEvent *eventPtr) +{ + if (keysym == NoSymbol) { + eventPtr->xkey.keycode = 0; + } else { + Display *display = Tk_Display(tkwin); + int macKeycode = XKeysymToMacKeycode(display, keysym); + + /* + * See also XKeysymToKeycode. + */ + + if ((keysym >= XK_F1) && (keysym <= XK_F35)) { + eventPtr->xkey.keycode = 0x0010; + } else { + eventPtr->xkey.keycode = 0x00FF & keysym; + } + eventPtr->xkey.keycode |= (macKeycode & MAC_KEYCODE_MASK) << 16; + + if (shiftKey & macKeycode) { + eventPtr->xkey.state |= ShiftMask; + } + if (optionKey & macKeycode) { + eventPtr->xkey.state |= OPTION_MASK; + } + + if (keysym <= LATIN1_MAX) { + int done; + done = Tcl_UniCharToUtf(keysym,eventPtr->xkey.trans_chars); + eventPtr->xkey.trans_chars[done] = 0; + } else { + eventPtr->xkey.trans_chars[0] = 0; + } + } +} + +/* + *---------------------------------------------------------------------- + * + * TkpGetKeySym -- + * + * Given an X KeyPress or KeyRelease event, map the keycode in the event + * into a keysym. + * + * Results: + * The return value is the keysym corresponding to eventPtr, or NoSymbol + * if no matching keysym could be found. + * + * Side effects: + * In the first call for a given display, keycode-to-keysym maps get + * loaded. + * + *---------------------------------------------------------------------- + */ + +KeySym +TkpGetKeySym( + TkDisplay *dispPtr, /* Display in which to map keycode. */ + XEvent *eventPtr) /* Description of X event. */ +{ + KeySym sym; + int index; + + /* + * Refresh the mapping information if it's stale. + */ + + if (dispPtr->bindInfoStale) { + TkpInitKeymapInfo(dispPtr); + } + + /* + * Handle pure modifier keys specially. We use -1 as a signal for + * this. + */ + + if (eventPtr->xany.send_event == -1) { + int modifier = eventPtr->xkey.keycode; + if (modifier == cmdKey) { + return XK_Alt_L; + } else if (modifier == shiftKey) { + return XK_Shift_L; + } else if (modifier == alphaLock) { + return XK_Caps_Lock; + } else if (modifier == optionKey) { + return XK_Meta_L; + } else if (modifier == controlKey) { + return XK_Control_L; + } else if (modifier == rightShiftKey) { + return XK_Shift_R; + } else if (modifier == rightOptionKey) { + return XK_Meta_R; + } else if (modifier == rightControlKey) { + return XK_Control_R; + } else { + + /* + * If we get here, we probably need to implement something new. + */ + + return NoSymbol; + } + } + + /* + * Figure out which of the four slots in the keymap vector to use for + * this key. Refer to Xlib documentation for more info on how this + * computation works. (Note: We use "Option" in keymap columns 2 and 3 + * where other implementations have "Mode_switch".) + */ + + index = 0; + + /* + * We want Option key combinations to use their base chars as keysyms, so + * we ignore the option modifier here. + */ + +#if 0 + if (eventPtr->xkey.state & OPTION_MASK) { + index |= 2; + } +#endif + + if ((eventPtr->xkey.state & ShiftMask) + || (/* (dispPtr->lockUsage != LU_IGNORE) + && */ (eventPtr->xkey.state & LockMask))) { + index |= 1; + } + + /* + * First try of the actual translation. + */ + + sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, index); + + /* + * Special handling: If the key was shifted because of Lock, but lock is + * only caps lock, not shift lock, and the shifted keysym isn't + * upper-case alphabetic, then switch back to the unshifted keysym. + */ + + if ((index & 1) && !(eventPtr->xkey.state & ShiftMask) + /*&& (dispPtr->lockUsage == LU_CAPS)*/ ) { + + /* + * FIXME: Keysyms are only identical to Unicode for ASCII and + * Latin-1, so we can't use Tcl_UniCharIsUpper() for keysyms outside + * that range. This may be a serious problem here. + */ + + if ((sym == NoSymbol) || (sym > LATIN1_MAX) + || !Tcl_UniCharIsUpper(sym)) { + index &= ~1; + sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, + index); + } + } + + /* + * Another bit of special handling: If this is a shifted key and there is + * no keysym defined, then use the keysym for the unshifted key. + */ + + if ((index & 1) && (sym == NoSymbol)) { + sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, + index & ~1); + } + return sym; +} + +/* + *-------------------------------------------------------------- + * + * TkpInitKeymapInfo -- + * + * This procedure is invoked to scan keymap information to recompute + * stuff that's important for binding, such as the modifier key (if any) + * that corresponds to the "Mode_switch" keysym. + * + * Results: + * None. + * + * Side effects: + * Keymap-related information in dispPtr is updated. + * + *-------------------------------------------------------------- + */ + +void +TkpInitKeymapInfo( + TkDisplay *dispPtr) /* Display for which to recompute keymap + * information. */ +{ + dispPtr->bindInfoStale = 0; + + /* + * Behaviours that are variable on X11 are defined constant on MacOSX. + * lockUsage is only used above in TkpGetKeySym(), nowhere else + * currently. There is no offical "Mode_switch" key. + */ + + dispPtr->lockUsage = LU_CAPS; + dispPtr->modeModMask = 0; + dispPtr->altModMask = ALT_MASK; + dispPtr->metaModMask = OPTION_MASK; + + /* + * MacOSX doesn't use the keycodes for the modifiers for anything, and we + * don't generate them either (the keycodes actually given in the + * simulated modifier events are bogus). So there is no modifier map. + * If we ever want to simulate real modifier keycodes, the list will be + * constant in the Carbon implementation. + */ + + if (dispPtr->modKeyCodes != NULL) { + ckfree((char *) dispPtr->modKeyCodes); + } + dispPtr->numModKeyCodes = 0; + dispPtr->modKeyCodes = NULL; +} -- cgit v0.12