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#include "StdAfx.h"
// CKeyBindings.cpp: implementation of the CKeyBindings class.
//
//////////////////////////////////////////////////////////////////////
#include <stdlib.h>
#include "mmgr.h"
#include "KeySet.h"
#include "KeyCodes.h"
#include "SDL_keysym.h"
#include "LogOutput.h"
#include "Util.h"
#include <boost/cstdint.hpp>
extern boost::uint8_t* keys; // from System/Main.cpp
#define DISALLOW_RELEASE_BINDINGS
/******************************************************************************/
//
// CKeySet
//
void CKeySet::Reset()
{
key = -1;
modifiers = 0;
}
void CKeySet::ClearModifiers()
{
modifiers &= ~(KS_ALT | KS_CTRL | KS_META | KS_SHIFT);
}
void CKeySet::SetAnyBit()
{
ClearModifiers();
modifiers |= KS_ANYMOD;
}
CKeySet::CKeySet(int k, bool release)
{
key = k;
modifiers = 0;
if (keys[SDLK_LALT]) { modifiers |= KS_ALT; }
if (keys[SDLK_LCTRL]) { modifiers |= KS_CTRL; }
if (keys[SDLK_LMETA]) { modifiers |= KS_META; }
if (keys[SDLK_LSHIFT]) { modifiers |= KS_SHIFT; }
#ifndef DISALLOW_RELEASE_BINDINGS
if (release) { modifiers |= KS_RELEASE; }
#endif
}
std::string CKeySet::GetString(bool useDefaultKeysym) const
{
std::string name;
if (useDefaultKeysym) {
name = keyCodes->GetDefaultName(key);
} else {
name = keyCodes->GetName(key);
}
std::string modstr;
#ifndef DISALLOW_RELEASE_BINDINGS
if (modifiers & KS_RELEASE) { modstr += "Up+"; }
#endif
if (modifiers & KS_ANYMOD) { modstr += "Any+"; }
if (modifiers & KS_ALT) { modstr += "Alt+"; }
if (modifiers & KS_CTRL) { modstr += "Ctrl+"; }
if (modifiers & KS_META) { modstr += "Meta+"; }
if (modifiers & KS_SHIFT) { modstr += "Shift+"; }
return (modstr + name);
}
bool CKeySet::ParseModifier(std::string& s, const std::string& token, const std::string& abbr)
{
if (s.find(token) == 0) {
s.erase(0, token.size());
return true;
}
if (s.find(abbr) == 0) {
s.erase(0, abbr.size());
return true;
}
return false;
}
bool CKeySet::Parse(const std::string& token)
{
Reset();
std::string s = StringToLower(token);
// parse the modifiers
while (!s.empty()) {
if (ParseModifier(s, "up+", "u+")) { modifiers |= KS_RELEASE; }
else if (ParseModifier(s, "any+", "*+")) { modifiers |= KS_ANYMOD; }
else if (ParseModifier(s, "alt+", "a+")) { modifiers |= KS_ALT; }
else if (ParseModifier(s, "ctrl+", "c+")) { modifiers |= KS_CTRL; }
else if (ParseModifier(s, "meta+", "m+")) { modifiers |= KS_META; }
else if (ParseModifier(s, "shift+", "s+")) { modifiers |= KS_SHIFT; }
else {
break;
}
}
#ifdef DISALLOW_RELEASE_BINDINGS
modifiers &= ~KS_RELEASE;
#endif
// remove ''s, if present
if ((s.size() >= 2) && (s[0] == '\'') && (s[s.size() - 1] == '\'')) {
s = s.substr(1, s.size() - 2);
}
if (s.find("0x") == 0) {
const char* start = (s.c_str() + 2);
char* end;
key = strtol(start, &end, 16);
if (end == start) {
Reset();
logOutput.Print("Bad hex value: %s\n", s.c_str());
return false;
}
if (key >= SDLK_LAST) {
Reset();
logOutput.Print("Hex value out of range: %s\n", s.c_str());
return false;
}
}
else {
key = keyCodes->GetCode(s);
if (key < 0) {
Reset();
logOutput.Print("Bad keysym: %s\n", s.c_str());
return false;
}
}
if (keyCodes->IsModifier(key)) {
modifiers |= KS_ANYMOD;
}
if (AnyMod()) {
ClearModifiers();
}
return true;
}
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