-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+/**
+ * \file kbsequence.C
+ * Copyright 1995-2002 the LyX Team
+ * Read the file COPYING
*
- * ====================================================== */
+ * \author John Levon <moz@compsoc.man.ac.uk>
+ */
#include <config.h>
-#include <cstring>
-#include <X11/Xlib.h>
#include "gettext.h"
#pragma implementation
#endif
+#include "frontends/mouse_state.h"
+#include "frontends/LyXKeySymFactory.h"
#include "kbsequence.h"
#include "kbmap.h"
+#include "commandtags.h"
#include "debug.h"
-using std::endl;
+using std::make_pair;
-// The only modifiers that we handle. We want to throw away things
-// like NumLock.
-enum { ModsMask = ShiftMask | ControlMask | Mod1Mask };
-
-
-// === static functions ===================================================
+int kb_sequence::addkey(LyXKeySymPtr key,
+ key_modifier::state mod, key_modifier::state nmod)
+{
+ // adding a key to a deleted sequence
+ // starts a new sequence
+ if (deleted_) {
+ deleted_ = false;
+ sequence.clear();
+ modifiers.clear();
+ }
-/* ---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------------------------------------------------------------------- */
-extern
-void printKeysym(unsigned int key, unsigned int mod, string & buf);
+ modifiers.push_back(make_pair(mod, nmod));
+ sequence.push_back(key);
+ if (curmap) {
+ return curmap->lookup(key, mod, this);
+ }
-// === kb_sequence methods ================================================
+ return LFUN_UNKNOWN_ACTION;
+}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::addkey
- Called by : [user]
- Purpose : add a key to the sequence, look up in map and return action
- Parameters: key - keysym of key
- mod - modifier mask
- nmod - modifier veto mask (unused now)
- Returns : action or -1 if error (no map defined or key not found)
-\* ---F------------------------------------------------------------------- */
-int kb_sequence::addkey(unsigned int key,
- unsigned int mod, unsigned int nmod /*= 0*/)
+string::size_type kb_sequence::parse(string const & s)
{
- if(length < 0) length = 0;
-
- if(length + 1 >= size) {
- unsigned int * nseq = new unsigned int[size + KB_PREALLOC];
- size += KB_PREALLOC;
- memcpy(nseq, sequence, length * sizeof(unsigned int));
- if(sequence != staticseq) delete sequence;
- sequence = nseq;
- nseq = new unsigned int[size];
- memcpy(nseq, modifiers, length * sizeof(unsigned int));
- if(modifiers != staticmod) delete modifiers;
- modifiers = nseq;
- }
-
- modifiers[length] = mod + (nmod << 16);
- sequence[length++] = key;
-
- if(curmap)
- return curmap->lookup(key, mod, this);
-
- return -1;
-}
+ if (s.empty()) return 1;
+ string::size_type i = 0;
+ key_modifier::state mod = key_modifier::none;
+ key_modifier::state nmod = key_modifier::none;
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::parse
- Called by : [user]
- Purpose : parse a string that holds a key sequence and add the keys
- Parameters: s - string holding the key sequence
- Returns : 0 - if ok, error pos if error
- Note : Keys must be separated with whitespace;
- Use the keysym names used by XStringToKeysym
- Prefixes are S-, C-, M- for shift, control, meta
-\* ---F------------------------------------------------------------------- */
+ while (i < s.length()) {
+ if (s[i] == ' ')
+ ++i;
+ if (i >= s.length())
+ break;
-int kb_sequence::parse(char const * s)
-{
- if(!s[0]) return 1;
-
- int i = 0;
- unsigned int mod = 0, nmod = 0;
- while(s[i]) {
- if(s[i] && (s[i]) <= ' ') ++i;
- if(!s[i]) break;
-
- if(s[i + 1] == '-') { // is implicit that s[i] == true
- switch(s[i]) {
+ if (i + 1 < s.length() && s[i + 1] == '-') {
+ switch (s[i]) {
case 's': case 'S':
- mod |= ShiftMask;
+ mod |= key_modifier::shift;
i += 2;
continue;
case 'c': case 'C':
- mod |= ControlMask;
+ mod |= key_modifier::ctrl;
i += 2;
continue;
case 'm': case 'M':
- mod |= Mod1Mask;
+ mod |= key_modifier::alt;
i += 2;
continue;
default:
return i + 1;
}
- } else if(s[i] == '~' && s[i + 1] && s[i + 2] == '-') {
- switch(s[i + 1]) {
+ } else if (i + 2 < s.length() && s[i] == '~'
+ && s[i + 2] == '-') {
+ switch (s[i + 1]) {
case 's': case 'S':
- nmod |= ShiftMask;
+ nmod |= key_modifier::shift;
i += 3;
continue;
case 'c': case 'C':
- nmod |= ControlMask;
+ nmod |= key_modifier::ctrl;
i += 3;
continue;
case 'm': case 'M':
- nmod |= Mod1Mask;
+ nmod |= key_modifier::alt;
i += 3;
continue;
default:
}
} else {
string tbuf;
- int j = i;
- for(; s[j] && s[j] > ' '; ++j)
+ string::size_type j = i;
+ for (; j < s.length() && s[j] != ' '; ++j)
tbuf += s[j]; // (!!!check bounds :-)
-
- KeySym key = XStringToKeysym(tbuf.c_str());
- if(key == NoSymbol) {
- lyxerr[Debug::KBMAP]
- << "kbmap.C: No such keysym: "
- << tbuf << endl;
+
+ LyXKeySymPtr key(LyXKeySymFactory::create());
+ key->init(tbuf);
+
+ if ( ! key->isOK() ) {
return j;
}
+
i = j;
-
+
addkey(key, mod, nmod);
- mod = 0;
- nmod = 0;
+ mod = key_modifier::none;
}
}
- return 0;
-}
+ // empty sequence?
+ if (sequence.size() == 0)
+ return 0;
+
+ // everything is fine
+ return string::npos;
+}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::print
- Called by : [user]
- Purpose : print the currently defined sequence into a string
- Parameters: buf - string where the result goes
- maxlen - length of string (including '\0')
- when_defined - only print when sequence is real: length > 0.
- Returns : 0, if ok, -1 if string too long
-\* ---F------------------------------------------------------------------- */
-int kb_sequence::print(string & buf, bool when_defined) const
+string const kb_sequence::print() const
{
- KeySym key;
- unsigned int mod;
- int l = length;
- if ( l < 0 && !when_defined ) l = -l;
-
- for(int i = 0; i < l; ++i) {
- key = sequence[i];
- mod = modifiers[i] & 0xffff;
-
- printKeysym(key, mod, buf); // RVDK_PATCH_5
-
- if(i + 1 < l) { // append a blank
+ string buf;
+
+ //if (deleted_)
+ // return buf;
+
+ KeySequence::size_type i, length = sequence.size();
+
+ for (i = 0; i < length; ++i) {
+ buf += kb_keymap::printKeysym(sequence[i], modifiers[i].first);
+
+ // append a blank
+ if (i + 1 < length) {
buf += ' ';
}
}
- return 0;
+ return buf;
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::printOptions
- Called by : [user]
- Purpose : print the available key options from the current state in the
- sequence. RVDK_PATCH_5
- Parameters: buf - string where the result goes
- maxlen - length of string (including '\0')
- Returns : 0, if ok, -1 if string too long
-\* ---F------------------------------------------------------------------- */
-
-int kb_sequence::printOptions(string & buf) const
+string const kb_sequence::printOptions() const
{
- print(buf, true);
-
- if (!curmap) return -1;
+ string buf;
+
+ buf += print();
+
+ if (!curmap)
+ return buf;
+
buf += _(" options: ");
- curmap->print(buf);
- return 0;
+ buf += curmap->print();
+ return buf;
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::delseq
- Called by : [user]
- Purpose : mark the sequence as deleted
- Parameters: none
- Returns : nothing
-\* ---F------------------------------------------------------------------- */
-
-void kb_sequence::delseq()
+void kb_sequence::mark_deleted()
{
- // negative length marks sequence as deleted, but we can still
- // print() it or retrieve the last char using getiso()
- length = -length;
+ deleted_ = true;
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::getsym
- Called by : [user], getiso
- Purpose : get the keysym of the last key in sequence
- Parameters: none
- Returns : keysym
-\* ---F------------------------------------------------------------------- */
-
-unsigned int kb_sequence::getsym() const
+LyXKeySymPtr kb_sequence::getsym() const
{
- int l = length;
- if(l == 0) return NoSymbol;
- if(l < 0) l = -l;
- return sequence[l - 1];
+ if (sequence.size() == 0)
+ return LyXKeySymPtr(LyXKeySymFactory::create());
+ return sequence.back();
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::getiso
- Called by : [user]
- Purpose : return iso character code of last key, if any
- Parameters: none
- Returns : iso code or 0 if none
-\* ---F------------------------------------------------------------------- */
-
-char kb_sequence::getiso() const
+char kb_sequence::getLastKeyEncoded() const
{
- int c = getsym();
-
- if(c > 0xff)
- return '\0';
- return c;
+ return getsym()->getISOEncoded();
}
-/* ---F+------------------------------------------------------------------ *\
- Function : kb_sequence::reset
- Called by : [user]
- Purpose : reset sequence to initial state. RVDK_PATCH_5
- Parameters: none
- Returns : void
-\* ---F------------------------------------------------------------------- */
-
void kb_sequence::reset()
{
- delseq();
+ mark_deleted();
curmap = stdmap;
- if (length > 0) length = -length;
}
-/* === End of File: kbmap.C ============================================== */
+void kb_sequence::clear()
+{
+ sequence.clear();
+ reset();
+}
projects / lyx.git / blobdiff