-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+/**
+ * \file kbmap.C
+ * Copyright 1995-2002 the LyX Team
+ * Read the file COPYING
*
- * ====================================================== */
+ * \author unknown
+ * \author John Levon <moz@compsoc.man.ac.uk>
+ */
#include <config.h>
-#include <cstring>
-#include <X11/Xlib.h>
-
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "kbmap.h"
+#include "commandtags.h"
#include "kbsequence.h"
#include "debug.h"
using std::endl;
-// The only modifiers that we handle. We want to throw away things
-// like NumLock.
-enum { ModsMask = ShiftMask | ControlMask | Mod1Mask };
-
-
-// === static functions ===================================================
-
-
-/* ---F+------------------------------------------------------------------ *\
- Function : printKeysym
- Called by : kb_sequence::print and printKeyMap. RVDK_PATCH_5
- Purpose : prints a keysym, including modifiers.
- Parameters: key - keysym
- mod - modifiers
- buf - string where the result goes
- maxlen - length of string (including '\0')
- Returns : length of printed string if ok, 0 otherwise.
-\* ---F------------------------------------------------------------------- */
-void printKeysym(unsigned int key, unsigned int mod, string & buf)
+string const kb_keymap::printKeysym(LyXKeySymPtr key,
+ key_modifier::state mod)
{
- mod &= ModsMask;
-
- char * s = XKeysymToString(key);
-
- if (mod & ShiftMask) buf += "S-";
- if (mod & ControlMask) buf += "C-";
- if (mod & Mod1Mask) buf += "M-";
- if (s) buf += s;
-}
+ string buf;
+ string const s = key->getSymbolName();
-/* ---F+------------------------------------------------------------------ *\
- Function : printKeyTab
- Called by : kb_keymap::print
- Purpose : print the keysyms found in the given key table. RVDK_PATCH_5
- Parameters: tabPt - keytable pointer
- buf - string where the result goes
- maxLen - length of string (including '\0')
- Returns : length of printed string.
-\* ---F------------------------------------------------------------------- */
+ if (mod & key_modifier::shift) buf += "S-";
+ if (mod & key_modifier::ctrl) buf += "C-";
+ if (mod & key_modifier::alt) buf += "M-";
+ buf += s;
+ return buf;
+}
-void kb_keymap::printKey(kb_key const & key, string & buf)
+string const kb_keymap::printKey(kb_key const & key) const
{
- printKeysym(key.code, key.mod & 0xffff, buf);
+ return printKeysym(key.code, key.mod.first);
}
-// This binds a key to an action
-int kb_keymap::bind(char const * seq, int action)
+string::size_type kb_keymap::bind(string const & seq, int action)
{
- kb_sequence k;
+ if (lyxerr.debugging(Debug::KBMAP)) {
+ lyxerr << "BIND: Sequence `"
+ << seq << "' Action `"
+ << action << '\'' << endl;
+ }
+
+ kb_sequence k(0, 0);
- int res = k.parse(seq);
- if (!res) {
+ string::size_type const res = k.parse(seq);
+ if (res == string::npos) {
defkey(&k, action);
- } else
+ } else {
lyxerr[Debug::KBMAP] << "Parse error at position " << res
<< " in key sequence '" << seq << "'."
<< endl;
+ }
+
return res;
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_keymap::lookup
- Called by : [user], kb_sequence::add()
- Purpose : look up a key press in a given keymap
- Parameters: key - the keysym of the key press
- mod - the modifier mask of the keypress
- seq - the key-sequence retrieved so far
- Returns : user defined action; 0 for prefix key, -1 if key not found
-\* ---F------------------------------------------------------------------- */
-
-int kb_keymap::lookup(unsigned int key,
- unsigned int mod, kb_sequence * seq) const
+int kb_keymap::lookup(LyXKeySymPtr key,
+ key_modifier::state mod, kb_sequence * seq) const
{
if (table.empty()) {
seq->curmap = seq->stdmap;
- seq->delseq();
- return -1;
+ seq->mark_deleted();
+ return LFUN_UNKNOWN_ACTION;
}
- unsigned int msk1, msk0;
- //suppress modifier bits we do not handle
- mod &= ModsMask;
-
for (Table::const_iterator cit = table.begin();
cit != table.end(); ++cit) {
- msk1 = (*cit).mod & 0xffff;
- msk0 = ((*cit).mod >> 16) & 0xffff;
- if ((*cit).code == key && (mod & ~msk0) == msk1) {
- // math found:
- if ((*cit).table) {
+ key_modifier::state mask(cit->mod.second);
+ key_modifier::state check =
+ static_cast<key_modifier::state>(mod & ~mask);
+
+ if (*(cit->code) == *key && cit->mod.first == check) {
+ // match found
+ if (cit->table.get()) {
// this is a prefix key - set new map
- seq->curmap = (*cit).table;
- return 0;
+ seq->curmap = cit->table.get();
+ return LFUN_PREFIX;
} else {
// final key - reset map
seq->curmap = seq->stdmap;
- seq->delseq();
- return (*cit).action;
+ seq->mark_deleted();
+ return cit->action;
}
}
}
// error - key not found:
seq->curmap = seq->stdmap;
- seq->delseq();
- return -1;
+ seq->mark_deleted();
+ return LFUN_UNKNOWN_ACTION;
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_keymap::print
- Called by : [user]
- Purpose : Prints all the available keysyms. RVDK_PATCH_5
- Parameters: buf - string where output goes.
- maxLen - available length in string, including `\0'.
- Returns : updated maxLen.
-\* ---F------------------------------------------------------------------- */
-
-void kb_keymap::print(string & buf) const
+string const kb_keymap::print() const
{
+ string buf;
for (Table::const_iterator cit = table.begin();
cit != table.end(); ++cit) {
- printKey((*cit), buf);
+ buf += printKey((*cit));
buf += ' ';
}
+ return buf;
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_keymap::defkey
- Called by : [user]
- Purpose : define an action for a key sequence
- Parameters: seq - the key sequence
- action - the action to be defined
- idx - recursion depth
- Returns : 0 if ok.
-\* ---F------------------------------------------------------------------- */
-
-int kb_keymap::defkey(kb_sequence * seq, int action, int idx /*= 0*/)
+void kb_keymap::defkey(kb_sequence * seq, int action, unsigned int r)
{
- unsigned int code = seq->sequence[idx];
- if(code == NoSymbol) return -1;
+ LyXKeySymPtr code = seq->sequence[r];
+ if (!code->isOK())
+ return;
- unsigned int modmsk = seq->modifiers[idx];
+ key_modifier::state const mod1 = seq->modifiers[r].first;
+ key_modifier::state const mod2 = seq->modifiers[r].second;
- // --- check if key is already there --------------------------------
- if (table.size() != 0) // without this I get strange crashes
+ // check if key is already there
for (Table::iterator it = table.begin(); it != table.end(); ++it) {
- if (code == (*it).code && modmsk == (*it).mod) {
+ if (*(code) == *(it->code)
+ && mod1 == it->mod.first
+ && mod2 == it->mod.second) {
// overwrite binding
- if (idx + 1 == seq->length) {
- string buf;
- seq->print(buf, true);
- lyxerr[Debug::KEY]
+ if (r + 1 == seq->length()) {
+ lyxerr[Debug::KBMAP]
<< "Warning: New binding for '"
- << buf
+ << seq->print()
<< "' is overriding old binding..."
<< endl;
- if((*it).table) {
- delete (*it).table;
- (*it).table = 0;
+ if (it->table.get()) {
+ it->table.reset();
}
- (*it).action = action;
- return 0;
- } else if (!(*it).table) {
- string buf;
- seq->print(buf, true);
- lyxerr << "Error: New binding for '" << buf
+ it->action = action;
+ return;
+ } else if (!it->table.get()) {
+ lyxerr << "Error: New binding for '" << seq->print()
<< "' is overriding old binding..."
- << endl;
- return -1;
+ << endl;
+ return;
} else {
- return (*it).table->defkey(seq, action,
- idx + 1);
+ it->table->defkey(seq, action, r + 1);
+ return;
}
}
}
Table::iterator newone = table.insert(table.end(), kb_key());
- (*newone).code = code;
- (*newone).mod = modmsk;
- if (idx + 1 == seq->length) {
- (*newone).action = action;
- (*newone).table = 0;
- return 0;
+ newone->code = code;
+ newone->mod = seq->modifiers[r];
+ if (r + 1 == seq->length()) {
+ newone->action = action;
+ newone->table.reset();
+ return;
} else {
- (*newone).table = new kb_keymap;
- return (*newone).table->defkey(seq, action, idx + 1);
- }
-}
-
-
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_keymap::~kb_keymap
- Called by : [destructor]
- Purpose : free keymap and its descendents
- Parameters: none
- Returns : nothing
-\* ---F------------------------------------------------------------------- */
-
-kb_keymap::~kb_keymap()
-{
- // This could be done by a destructor in kb_key.
- for(Table::iterator it = table.begin(); it != table.end(); ++it) {
- delete (*it).table;
+ newone->table.reset(new kb_keymap);
+ newone->table->defkey(seq, action, r + 1);
+ return;
}
}
-string kb_keymap::keyname(kb_key const & k)
-{
- string buf;
- printKeysym(k.code, k.mod, buf);
- return buf;
-}
-
-
-// Finds a key for a keyaction, if possible
-string kb_keymap::findbinding(int act) const
+string const kb_keymap::findbinding(int act, string const & prefix) const
{
string res;
if (table.empty()) return res;
- for(Table::const_iterator cit = table.begin();
- cit != table.end(); ++cit) {
- if ((*cit).table) {
- string suffix = (*cit).table->findbinding(act);
- suffix = strip(suffix, ' ');
- suffix = strip(suffix, ']');
- suffix = frontStrip(suffix, '[');
- if (!suffix.empty()) {
- res += "[" + keyname((*cit)) + " "
- + suffix + "] ";
- }
- } else if ((*cit).action == act) {
- res += "[" + keyname((*cit)) + "] ";
+ Table::const_iterator end = table.end();
+ for (Table::const_iterator cit = table.begin();
+ cit != end; ++cit) {
+ if (cit->table.get()) {
+ res += cit->table->findbinding(act,
+ prefix
+ + printKey((*cit))
+ + ' ');
+ } else if (cit->action == act) {
+ res += '[';
+ res += prefix + printKey((*cit));
+ res += "] ";
}
}
return res;
}
-
-/* === End of File: kbmap.C ============================================== */
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