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authorPavel Labath <pavelo@centrum.sk>2011-07-02 22:05:05 (GMT)
committerPavel Labath <pavelo@centrum.sk>2011-11-01 09:57:20 (GMT)
commit96d14bf5abde4faf7312d43bfd3e339f75fabc0d (patch)
treeb8fec2dfa81630417df279fc0559d96e6def5846 /src
parent9ca7bf6a038eb40824b43d59b3754c0ac96fee3f (diff)
downloadfluxbox_paul-96d14bf5abde4faf7312d43bfd3e339f75fabc0d.zip
fluxbox_paul-96d14bf5abde4faf7312d43bfd3e339f75fabc0d.tar.bz2
Add a new command which executes lua functions
Diffstat (limited to 'src')
-rw-r--r--src/FbCommands.cc68
-rw-r--r--src/FbCommands.hh22
2 files changed, 90 insertions, 0 deletions
diff --git a/src/FbCommands.cc b/src/FbCommands.cc
index 2eb179f..3ece374 100644
--- a/src/FbCommands.cc
+++ b/src/FbCommands.cc
@@ -31,6 +31,7 @@
31#include "MenuCreator.hh" 31#include "MenuCreator.hh"
32 32
33#include "FbTk/I18n.hh" 33#include "FbTk/I18n.hh"
34#include "FbTk/Luamm.hh"
34#include "FbTk/Theme.hh" 35#include "FbTk/Theme.hh"
35#include "FbTk/Menu.hh" 36#include "FbTk/Menu.hh"
36#include "FbTk/CommandParser.hh" 37#include "FbTk/CommandParser.hh"
@@ -554,4 +555,71 @@ void DeiconifyCmd::execute() {
554 }; 555 };
555} 556}
556 557
558REGISTER_UNTRUSTED_COMMAND_WITH_ARGS(lua, LuaCmd, void);
559
560namespace {
561 const char LuaCmds[] = "FbCommands::LuaCmd";
562}
563
564LuaCmd::LuaCmd(const std::string &chunk) {
565 lua::state &l = Fluxbox::instance()->lua();
566 l.checkstack(1);
567 l.loadstring(chunk);
568 init(l);
569}
570
571LuaCmd::LuaCmd(lua::state &l) {
572 lua::stack_sentry s(l, -1);
573 if(l.isstring(-1)) {
574 const std::string &str = l.tostring(-1);
575 l.pop();
576 l.loadstring(str);
577 }
578 init(l);
579}
580
581void LuaCmd::init(lua::state &l) {
582 lua::stack_sentry s(l, -1);
583 l.checkstack(2);
584
585 l.rawgetfield(lua::REGISTRYINDEX, LuaCmds); {
586 if(l.isnil(-1)) {
587 l.pop();
588 l.newtable();
589
590 l.pushvalue(-1);
591 l.rawsetfield(lua::REGISTRYINDEX, LuaCmds);
592 }
593
594 l.pushvalue(-2);
595 m_ref = l.ref(-2);
596 } l.pop();
597
598 l.pop();
599}
600
601LuaCmd::~LuaCmd() {
602 lua::state &l = Fluxbox::instance()->lua();
603 l.checkstack(1);
604 lua::stack_sentry s(l);
605
606 l.rawgetfield(lua::REGISTRYINDEX, LuaCmds); {
607 l.unref(-1, m_ref);
608 } l.pop();
609}
610
611void LuaCmd::execute() {
612 lua::state &l = Fluxbox::instance()->lua();
613 l.checkstack(1);
614 lua::stack_sentry s(l);
615
616 l.rawgetfield(lua::REGISTRYINDEX, LuaCmds); {
617 assert(l.istable(-1));
618
619 l.rawgeti(-1, m_ref); {
620 assert(! l.isnil(-1));
621 } l.call(0, 0);
622 } l.pop();
623}
624
557} // end namespace FbCommands 625} // end namespace FbCommands
diff --git a/src/FbCommands.hh b/src/FbCommands.hh
index b6b1f7f..ef9812b 100644
--- a/src/FbCommands.hh
+++ b/src/FbCommands.hh
@@ -32,6 +32,10 @@
32#include "ClientPattern.hh" 32#include "ClientPattern.hh"
33#include "FocusableList.hh" 33#include "FocusableList.hh"
34 34
35namespace lua {
36class state;
37}
38
35namespace FbCommands { 39namespace FbCommands {
36 40
37/// executes a system command 41/// executes a system command
@@ -218,6 +222,24 @@ private:
218 Destination m_dest; 222 Destination m_dest;
219}; 223};
220 224
225/// Command that runs a lua function
226class LuaCmd: public FbTk::Command<void> {
227public:
228 /// parses the string as a lua chunk
229 LuaCmd(const std::string &chunk);
230
231 /// expect the function to be on the lua stack (as a function or a string)
232 LuaCmd(lua::state &l);
233
234 ~LuaCmd();
235
236 void execute();
237private:
238 int m_ref;
239
240 void init(lua::state &l);
241};
242
221} // end namespace FbCommands 243} // end namespace FbCommands
222 244
223#endif // FBCOMMANDS_HH 245#endif // FBCOMMANDS_HH