Aegisub/aegisub/libaegisub/common/hotkey.cpp

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// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// $Id$
/// @file hotkey.cpp
/// @brief Hotkey handler
/// @ingroup hotkey menu event window
#include "../config.h"
#ifndef LAGI_PRE
#include <algorithm>
#include <cmath>
#include <memory>
#endif
#ifdef _WIN32
#include <tuple>
#else
#include <tr1/tuple>
#endif
#include "libaegisub/hotkey.h"
#include "libaegisub/cajun/writer.h"
#include "libaegisub/exception.h"
#include "libaegisub/io.h"
#include "libaegisub/json.h"
#include "libaegisub/log.h"
namespace agi {
namespace hotkey {
std::string Combo::Str() const {
if (key_map.empty()) return "";
std::string str(key_map[0]);
str.reserve(str.size() + (key_map.size() - 1) * 2);
for (unsigned int i=1; i < key_map.size(); i++) {
str.append("-" + key_map[i]);
}
return str;
}
std::string Combo::StrMenu() const {
return Str();
}
void Hotkey::ComboInsert(Combo const& combo) {
str_map.insert(std::make_pair(combo.Str(), combo));
cmd_map.insert(std::make_pair(combo.CmdName(), combo));
}
Hotkey::Hotkey(const std::string &file, const std::string &default_config)
: config_file(file)
{
LOG_D("hotkey/init") << "Generating hotkeys.";
json::Object object(agi::json_util::file(config_file, default_config));
for (json::Object::const_iterator index(object.begin()); index != object.end(); ++index)
BuildHotkey(index->first, index->second);
}
void Hotkey::BuildHotkey(std::string const& context, const json::Object& object) {
for (json::Object::const_iterator index(object.begin()); index != object.end(); ++index) {
const json::Array& array = index->second;
for (json::Array::const_iterator arr_index(array.begin()); arr_index != array.end(); ++arr_index) {
const json::Array& arr_mod = (*arr_index)["modifiers"];
std::vector<std::string> keys;
keys.reserve(arr_mod.size() + 1);
copy(arr_mod.begin(), arr_mod.end(), back_inserter(keys));
keys.push_back((*arr_index)["key"]);
ComboInsert(Combo(context, index->first, keys));
}
}
}
std::string Hotkey::Scan(const std::string &context, const std::string &str, bool always) const {
std::string local, dfault;
HotkeyMap::const_iterator index, end;
for (std::tr1::tie(index, end) = str_map.equal_range(str); index != end; ++index) {
std::string const& ctext = index->second.Context();
if (always && ctext == "Always") {
LOG_D("agi/hotkey/found") << "Found: " << str << " Context (req/found): " << context << "/Always Command: " << index->second.CmdName();
return index->second.CmdName();
}
if (ctext == "Default")
dfault = index->second.CmdName();
else if (ctext == context)
local = index->second.CmdName();
}
if (!local.empty()) {
LOG_D("agi/hotkey/found") << "Found: " << str << " Context: " << context << " Command: " << local;
return local;
}
if (!dfault.empty()) {
LOG_D("agi/hotkey/found") << "Found: " << str << " Context (req/found): " << context << "/Default Command: " << dfault;
return dfault;
}
return "";
}
std::vector<std::string> Hotkey::GetHotkeys(const std::string &context, const std::string &command) const {
std::vector<std::string> ret;
HotkeyMap::const_iterator it, end;
for (std::tr1::tie(it, end) = cmd_map.equal_range(command); it != end; ++it) {
std::string ctext = it->second.Context();
if (ctext == "Always" || ctext == "Default" || ctext == context)
ret.push_back(it->second.StrMenu());
}
sort(ret.begin(), ret.end());
ret.erase(unique(ret.begin(), ret.end()), ret.end());
return ret;
}
std::string Hotkey::GetHotkey(const std::string &context, const std::string &command) const {
std::string ret;
HotkeyMap::const_iterator it, end;
for (std::tr1::tie(it, end) = cmd_map.equal_range(command); it != end; ++it) {
std::string ctext = it->second.Context();
if (ctext == context) return it->second.StrMenu();
if (ctext == "Default")
ret = it->second.StrMenu();
else if (ret.empty() && ctext == "Always")
ret = it->second.StrMenu();
}
return ret;
}
void Hotkey::Flush() {
json::Object root;
for (HotkeyMap::iterator index = str_map.begin(); index != str_map.end(); ++index) {
std::vector<std::string> const& combo_map(index->second.Get());
json::Object hotkey;
hotkey["key"] = combo_map.back();
json::Array& modifiers = hotkey["modifiers"];
copy(combo_map.begin(), combo_map.end() - 1, std::back_inserter(modifiers));
json::Array& combo_array = root[index->second.Context()][index->second.CmdName()];
combo_array.push_back(hotkey);
}
io::Save file(config_file);
json::Writer::Write(root, file.Get());
}
void Hotkey::SetHotkeyMap(HotkeyMap const& new_map) {
cmd_map = new_map;
str_map.clear();
for (HotkeyMap::iterator it = cmd_map.begin(); it != cmd_map.end(); ++it)
str_map.insert(make_pair(it->second.Str(), it->second));
Flush();
HotkeysChanged();
}
} // namespace toolbar
} // namespace agi