1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
4 # include "../config.h"
8 #include "otk/display.hh"
14 #define _(str) gettext(str)
20 static void print_branch(BindingTree
*first
, std::string str
)
22 BindingTree
*p
= first
;
26 print_branch(p
->first_child
, str
+ " " + p
->text
);
28 printf("%d%s\n", p
->id
, (str
+ " " + p
->text
).c_str());
34 void OBBindings::display()
36 if (_tree
.first_child
)
37 print_branch(_tree
.first_child
, "");
41 static bool modvalue(const std::string
&mod
, unsigned int *val
)
43 if (mod
== "C") { // control
45 } else if (mod
== "S") { // shift
47 } else if (mod
== "A" || // alt/mod1
52 } else if (mod
== "Mod2" || // mod2
55 } else if (mod
== "Mod3" || // mod3
58 } else if (mod
== "W" || // windows/mod4
62 } else if (mod
== "Mod5" || // mod5
71 bool OBBindings::translate(const std::string
&str
, Binding
&b
)
73 // parse out the base key name
74 std::string::size_type keybegin
= str
.find_last_of('-');
75 keybegin
= (keybegin
== std::string::npos
) ? 0 : keybegin
+ 1;
76 std::string
key(str
, keybegin
);
78 // parse out the requested modifier keys
79 unsigned int modval
= 0;
80 std::string::size_type begin
= 0, end
;
81 while (begin
!= keybegin
) {
82 end
= str
.find_first_of('-', begin
);
84 std::string
mod(str
, begin
, end
-begin
);
85 if (!modvalue(mod
, &modval
)) {
86 printf(_("Invalid modifier element in key binding: %s\n"), mod
.c_str());
94 KeySym sym
= XStringToKeysym(const_cast<char *>(key
.c_str()));
95 if (sym
== NoSymbol
) return false;
97 b
.key
= XKeysymToKeycode(otk::OBDisplay::display
, sym
);
101 static void destroytree(BindingTree
*tree
)
104 BindingTree
*c
= tree
->first_child
;
110 BindingTree
*OBBindings::buildtree(const StringVect
&keylist
, int id
)
112 if (keylist
.empty()) return 0; // nothing in the list.. return 0
114 BindingTree
*ret
= 0, *p
;
116 StringVect::const_reverse_iterator it
, end
= keylist
.rend();
117 for (it
= keylist
.rbegin(); it
!= end
; ++it
) {
119 ret
= new BindingTree(id
);
120 if (!p
) ret
->chain
= false;
121 ret
->first_child
= p
;
122 if (!translate(*it
, ret
->binding
)) {
127 ret
->text
= *it
; // XXX: rm me
133 OBBindings::OBBindings()
138 OBBindings::~OBBindings()
144 void OBBindings::assimilate(BindingTree
*node
)
146 BindingTree
*a
, *b
, *tmp
, *last
;
148 if (!_tree
.first_child
) {
149 // there are no nodes at this level yet
150 _tree
.first_child
= node
;
153 a
= _tree
.first_child
;
158 if (a
->binding
!= b
->binding
) {
167 if (last
->binding
!= b
->binding
)
168 last
->next_sibling
= b
;
170 last
->first_child
= b
->first_child
;
176 int OBBindings::find(BindingTree
*search
) {
178 a
= _tree
.first_child
;
181 if (a
->binding
!= b
->binding
) {
184 if (a
->chain
== b
->chain
) {
186 return a
->id
; // found it! (return the actual id, not the search's)
188 return -2; // the chain status' don't match (conflict!)
193 return -1; // it just isn't in here
197 static int find(BindingTree *parent, BindingTree *node) {
198 BindingTree *p, *lastsib, *nextparent, *nextnode = node->first_child;
200 if (!parent->first_child)
203 p = parent->first_child;
205 if (node->binding == p->binding) {
206 if (node->chain == p->chain) {
208 return p->id; // found it! (return the actual id, not the search's)
210 break; // go on to the next child in the chain
213 return -2; // the chain status' don't match (conflict!)
218 if (!p) return -1; // doesn't exist
221 assert(node->first_child);
222 return find(p, node->first_child);
224 return -1; // it just isnt in here
228 bool OBBindings::add(const StringVect
&keylist
, int id
)
232 if (!(tree
= buildtree(keylist
, id
)))
233 return false; // invalid binding requested
235 if (find(tree
) < -1) {
236 // conflicts with another binding
241 // assimilate this built tree into the main tree
242 assimilate(tree
); // assimilation destroys/uses the tree
247 int OBBindings::find(const StringVect
&keylist
)
252 if (!(tree
= buildtree(keylist
, 0)))
253 return false; // invalid binding requested
255 ret
= find(tree
) >= 0;
263 int OBBindings::remove(const StringVect
&keylist
)
266 assert(false); // XXX: function not implemented yet
270 static void remove_branch(BindingTree
*first
)
272 BindingTree
*p
= first
;
276 remove_branch(p
->first_child
);
277 BindingTree
*s
= p
->next_sibling
;
284 void OBBindings::remove_all()
286 if (_tree
.first_child
)
287 remove_branch(_tree
.first_child
);