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 <math.h>
#include <memory>
#endif
#include "libaegisub/hotkey.h"
#include "libaegisub/access.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 {
Hotkey *hotkey;
std::string Combo::Str() {
std::string str(key_map[0]);
for (unsigned int i=1; i < key_map.size(); i++) {
str.append("-" + key_map[i]);
}
return str;
}
std::string Combo::StrMenu() {
return Str();
}
void Hotkey::ComboInsert(Combo *combo) {
map.insert(HotkeyMapPair(combo->Str(), combo));
}
Hotkey::~Hotkey() {
Flush();
}
Hotkey::Hotkey(const std::string &file, const std::string &default_config):
config_file(file), config_default(default_config) {
LOG_D("hotkey/init") << "Generating hotkeys.";
std::istream *stream;
try {
stream = agi::io::Open(config_file);
} catch (const acs::AcsNotFound&) {
stream = new std::istringstream(config_default);
}
json::UnknownElement hotkey_root;
try {
hotkey_root = agi::json_util::parse(stream);
} catch (...) {
// There's definatly a better way to do this.
std::istringstream *stream = new std::istringstream(config_default);
hotkey_root = agi::json_util::parse(stream);
}
json::Object object = hotkey_root;
for (json::Object::const_iterator index(object.Begin()); index != object.End(); index++) {
const json::Object::Member& member = *index;
const json::Object& obj = member.element;
BuildHotkey(member.name, obj);
}
}
void Hotkey::BuildHotkey(std::string context, const json::Object& object) {
for (json::Object::const_iterator index(object.Begin()); index != object.End(); index++) {
const json::Object::Member& member = *index;
const json::Array& array = member.element;
for (json::Array::const_iterator arr_index(array.Begin()); arr_index != array.End(); arr_index++) {
Combo *combo = new Combo(context, member.name);
const json::Object& obj = *arr_index;
const json::Array& arr_mod = obj["modifiers"];
if (arr_mod.Size() > 0) {
for (json::Array::const_iterator arr_mod_index(arr_mod.Begin()); arr_mod_index != arr_mod.End(); arr_mod_index++) {
const json::String& key_mod = *arr_mod_index;
combo->KeyInsert(key_mod.Value());
} // for arr_mod_index
}
const json::String& key = obj["key"];
combo->KeyInsert(key.Value());
const json::Boolean& enable = obj["enable"];
combo->Enable(enable);
ComboInsert(combo);
} // for arr_index
} // for index
}
bool Hotkey::Scan(const std::string context, const std::string str, std::string &cmd) {
HotkeyMap::iterator index;
std::pair<HotkeyMap::iterator, HotkeyMap::iterator> range;
range = map.equal_range(str);
std::string local, dfault;
for (index = range.first; index != range.second; ++index) {
std::string ctext = (*index).second->Context();
if (ctext == "Always") {
cmd = (*index).second->CmdName();
LOG_D("agi/hotkey/found") << "Found: " << str << " Context (req/found): " << context << "/Always Command: " << cmd;
return 0;
} else if (ctext == "Default") {
dfault = (*index).second->CmdName();
} else if (ctext == context) {
local = (*index).second->CmdName();
}
}
if (!local.empty()) {
cmd = local;
LOG_D("agi/hotkey/found") << "Found: " << str << " Context: " << context << " Command: " << local;
return 0;
} else if (!dfault.empty()) {
cmd = dfault;
LOG_D("agi/hotkey/found") << "Found: " << str << " Context (req/found): " << context << "/Default Command: " << dfault;
return 0;
}
return 1;
}
void Hotkey::Flush() {
json::Object root;
HotkeyMap::iterator index;
for (index = map.begin(); index != map.end(); ++index) {
Combo::ComboMap combo_map(index->second->Get());
json::Array modifiers;
for (int i = 0; i != combo_map.size()-1; i++) {
modifiers.Insert(json::String(combo_map[i]));
}
json::Object hotkey;
hotkey["modifiers"] = modifiers;
hotkey["key"] = json::String(combo_map.back());
hotkey["enable"] = json::Boolean(index->second->IsEnabled());
json::Object& context_obj = root[index->second->Context()];
json::Array& combo_array = context_obj[index->second->CmdName()];
combo_array.Insert(hotkey);
}
io::Save file(config_file);
json::Writer::Write(root, file.Get());
}
} // namespace toolbar
} // namespace agi