forked from mia/Aegisub
Add SubsController, which deals with things like what subtitle file is currently open, rather than the contents of the current subtitle file. Move the rest of the relevant logic from FrameMain there in addition to all of the stuff from AssFile.
464 lines
14 KiB
C++
464 lines
14 KiB
C++
// Copyright (c) 2005, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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/// @file main.cpp
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/// @brief Main entry point, as well as crash handling
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/// @ingroup main
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///
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#include "config.h"
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#include "command/command.h"
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#include "command/icon.h"
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#include "include/aegisub/hotkey.h"
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#include "ass_dialogue.h"
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#include "ass_file.h"
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#include "auto4_base.h"
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#include "compat.h"
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#include "export_fixstyle.h"
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#include "export_framerate.h"
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#include "frame_main.h"
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#include "include/aegisub/context.h"
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#include "main.h"
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#include "libresrc/libresrc.h"
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#include "options.h"
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#include "plugin_manager.h"
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#include "standard_paths.h"
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#include "subs_controller.h"
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#include "subtitle_format.h"
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#include "version.h"
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#include "video_context.h"
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#include "utils.h"
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#include <libaegisub/dispatch.h>
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#include <libaegisub/fs.h>
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#include <libaegisub/hotkey.h>
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#include <libaegisub/io.h>
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#include <libaegisub/log.h>
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#include <libaegisub/path.h>
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#include <libaegisub/util.h>
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#include <boost/filesystem/fstream.hpp>
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#include <boost/format.hpp>
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#include <sstream>
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#include <wx/config.h>
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#include <wx/msgdlg.h>
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#include <wx/stackwalk.h>
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#include <wx/utils.h>
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namespace config {
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agi::Options *opt = nullptr;
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agi::MRUManager *mru = nullptr;
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agi::Path *path = nullptr;
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}
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IMPLEMENT_APP(AegisubApp)
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static const char *LastStartupState = nullptr;
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#ifdef WITH_STARTUPLOG
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#define StartupLog(a) MessageBox(0, L ## a, L"Aegisub startup log", 0)
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#else
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#define StartupLog(a) LastStartupState = a
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#endif
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#ifdef __VISUALC__
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#define MS_VC_EXCEPTION 0x406d1388
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/// Parameters for setting the thread name
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struct THREADNAME_INFO {
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DWORD dwType; ///< must be 0x1000
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LPCSTR szName; ///< pointer to name (in same addr space)
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DWORD dwThreadID; ///< thread ID (-1 caller thread)
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DWORD dwFlags; ///< reserved for future use, most be zero
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};
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/// Set the name of a thread in the visual studio debugger
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/// @param dwThreadID Thread ID, or -1 for caller
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/// @param szThreadName New name for the thread
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void SetThreadName(DWORD dwThreadID, LPCSTR szThreadName) {
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THREADNAME_INFO info;
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info.dwType = 0x1000;
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info.szName = szThreadName;
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info.dwThreadID = dwThreadID;
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info.dwFlags = 0;
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__try {
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RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(DWORD), (ULONG_PTR *)&info);
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}
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__except (EXCEPTION_CONTINUE_EXECUTION) {}
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}
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#else
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void SetThreadName(int dwThreadID, const char *szThreadName) {
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}
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#endif
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void AegisubApp::OnAssertFailure(const wxChar *file, int line, const wxChar *func, const wxChar *cond, const wxChar *msg) {
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LOG_A("wx/assert") << file << ":" << line << ":" << func << "() " << cond << ": " << msg;
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wxApp::OnAssertFailure(file, line, func, cond, msg);
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}
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AegisubApp::AegisubApp() {
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// http://trac.wxwidgets.org/ticket/14302
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wxSetEnv("UBUNTU_MENUPROXY", "0");
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}
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wxDEFINE_EVENT(EVT_CALL_THUNK, wxThreadEvent);
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/// @brief Gets called when application starts.
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/// @return bool
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bool AegisubApp::OnInit() {
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// App name (yeah, this is a little weird to get rid of an odd warning)
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#if defined(__WXMSW__) || defined(__WXMAC__)
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SetAppName("Aegisub");
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#else
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SetAppName("aegisub");
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#endif
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// Pointless `this` capture required due to http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51494
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agi::dispatch::Init([this](agi::dispatch::Thunk f) {
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wxThreadEvent *evt = new wxThreadEvent(EVT_CALL_THUNK);
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evt->SetPayload(f);
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wxTheApp->QueueEvent(evt);
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});
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wxTheApp->Bind(EVT_CALL_THUNK, [](wxThreadEvent &evt) {
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evt.GetPayload<std::function<void()>>()();
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});
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config::path = new agi::Path;
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agi::log::log = new agi::log::LogSink;
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#ifdef _DEBUG
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agi::log::log->Subscribe(new agi::log::EmitSTDOUT());
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#endif
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// Set config file
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StartupLog("Load local configuration");
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#ifdef __WXMSW__
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// Try loading configuration from the install dir if one exists there
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try {
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auto conf_local(StandardPaths::DecodePath("?data/config.json"));
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std::unique_ptr<std::istream> localConfig(agi::io::Open(conf_local));
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config::opt = new agi::Options(conf_local, GET_DEFAULT_CONFIG(default_config));
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// Local config, make ?user mean ?data so all user settings are placed in install dir
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StandardPaths::SetPathValue("?user", StandardPaths::DecodePath("?data"));
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StandardPaths::SetPathValue("?local", StandardPaths::DecodePath("?data"));
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} catch (agi::fs::FileSystemError const&) {
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// File doesn't exist or we can't read it
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// Might be worth displaying an error in the second case
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}
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#endif
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StartupLog("Create log writer");
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auto path_log = StandardPaths::DecodePath("?user/log/");
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agi::fs::CreateDirectory(path_log);
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agi::log::log->Subscribe(new agi::log::JsonEmitter(path_log));
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CleanCache(path_log, "*.json", 10, 100);
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StartupLog("Load user configuration");
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try {
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if (!config::opt)
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config::opt = new agi::Options(StandardPaths::DecodePath("?user/config.json"), GET_DEFAULT_CONFIG(default_config));
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std::istringstream stream(GET_DEFAULT_CONFIG(default_config_platform));
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config::opt->ConfigNext(stream);
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} catch (agi::Exception& e) {
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LOG_E("config/init") << "Caught exception: " << e.GetName() << " -> " << e.GetMessage();
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}
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try {
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config::opt->ConfigUser();
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}
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catch (agi::Exception const& err) {
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wxMessageBox("Configuration file is invalid. Error reported:\n" + to_wx(err.GetMessage()), "Error");
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}
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// Init commands.
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cmd::init_builtin_commands();
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// Init hotkeys
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hotkey::init();
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// Init icons.
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icon::icon_init();
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StartupLog("Load MRU");
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config::mru = new agi::MRUManager(StandardPaths::DecodePath("?user/mru.json"), GET_DEFAULT_CONFIG(default_mru), config::opt);
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SetThreadName(-1, "AegiMain");
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StartupLog("Inside OnInit");
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frame = nullptr;
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try {
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// Initialize randomizer
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StartupLog("Initialize random generator");
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srand(time(nullptr));
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// locale for loading options
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StartupLog("Set initial locale");
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setlocale(LC_NUMERIC, "C");
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setlocale(LC_CTYPE, "C");
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// Crash handling
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#if (!defined(_DEBUG) || defined(WITH_EXCEPTIONS)) && (wxUSE_ON_FATAL_EXCEPTION+0)
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StartupLog("Install exception handler");
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wxHandleFatalExceptions(true);
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#endif
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StartupLog("Store options back");
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OPT_SET("Version/Last Version")->SetInt(GetSVNRevision());
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StartupLog("Initialize final locale");
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// Set locale
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wxString lang = to_wx(OPT_GET("App/Language")->GetString());
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if (!lang) {
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lang = locale.PickLanguage();
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OPT_SET("App/Language")->SetString(from_wx(lang));
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}
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locale.Init(lang);
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// Load plugins
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plugins = new PluginManager();
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plugins->RegisterBuiltInPlugins();
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// Load Automation scripts
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StartupLog("Load global Automation scripts");
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global_scripts = new Automation4::AutoloadScriptManager(OPT_GET("Path/Automation/Autoload")->GetString());
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// Load export filters
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StartupLog("Register export filters");
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AssExportFilterChain::Register(new AssFixStylesFilter);
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AssExportFilterChain::Register(new AssTransformFramerateFilter);
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// Get parameter subs
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StartupLog("Parse command line");
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wxArrayString subs;
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for (int i = 1; i < argc; ++i)
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subs.push_back(argv[i]);
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// Open main frame
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StartupLog("Create main window");
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frame = new FrameMain(subs);
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SetTopWindow(frame);
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}
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catch (const char *err) {
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wxMessageBox(err,"Fatal error while initializing");
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return false;
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}
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catch (wxString const& err) {
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wxMessageBox(err, "Fatal error while initializing");
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return false;
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}
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catch (agi::Exception const& e) {
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wxMessageBox(to_wx(e.GetMessage()),"Fatal error while initializing");
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return false;
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}
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#ifndef _DEBUG
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catch (...) {
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wxMessageBox("Unhandled exception","Fatal error while initializing");
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return false;
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}
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#endif
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StartupLog("Clean old autosave files");
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CleanCache(StandardPaths::DecodePath(OPT_GET("Path/Auto/Save")->GetString()), "*.AUTOSAVE.ass", 100, 1000);
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StartupLog("Initialization complete");
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return true;
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}
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int AegisubApp::OnExit() {
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if (frame)
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delete frame;
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SubtitleFormat::DestroyFormats();
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delete plugins;
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delete config::opt;
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delete config::mru;
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hotkey::clear();
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cmd::clear();
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delete global_scripts;
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AssExportFilterChain::Clear();
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// Keep this last!
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delete agi::log::log;
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return wxApp::OnExit();
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}
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#if wxUSE_STACKWALKER == 1
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class StackWalker: public wxStackWalker {
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boost::filesystem::ofstream fp;
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public:
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StackWalker(std::string const& cause);
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~StackWalker();
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void OnStackFrame(wxStackFrame const& frame);
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};
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/// @brief Called at the start of walking the stack.
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/// @param cause cause of the crash.
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StackWalker::StackWalker(std::string const& cause)
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: fp(StandardPaths::DecodePath("?user/crashlog.txt"), std::ios::app)
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{
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if (!fp.good()) return;
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fp << agi::util::strftime("--- %y-%m-%d %H:%M:%S ------------------\n");
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fp << boost::format("VER - %s\n") % GetAegisubLongVersionString();
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fp << boost::format("FTL - Beginning stack dump for \"%s\": \n") % cause;
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}
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/// @brief Callback to format a single frame
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/// @param frame frame to parse.
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void StackWalker::OnStackFrame(wxStackFrame const& frame) {
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if (!fp.good()) return;
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fp << boost::format("%03u - %p: %s") % frame.GetLevel() % frame.GetAddress();
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if (frame.HasSourceLocation())
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fp << boost::format(" on %s:%u") % frame.GetFileName(), frame.GetLine();
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fp << "\n";
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}
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/// @brief Called at the end of walking the stack.
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StackWalker::~StackWalker() {
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if (!fp.good()) return;
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fp << "End of stack dump.\n";
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fp << "----------------------------------------\n\n";
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}
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#endif
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/// Message displayed when an exception has occurred.
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const static wxString exception_message = _("Oops, Aegisub has crashed!\n\nAn attempt has been made to save a copy of your file to:\n\n%s\n\nAegisub will now close.");
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static void UnhandledExeception(bool stackWalk, agi::Context *c) {
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#if (!defined(_DEBUG) || defined(WITH_EXCEPTIONS)) && (wxUSE_ON_FATAL_EXCEPTION+0)
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if (c->ass && c->subsController) {
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auto path = StandardPaths::DecodePath("?user/recovered");
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agi::fs::CreateDirectory(path);
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auto filename = c->subsController->Filename().stem();
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path /= str(boost::format("%s.%s.ass") % filename % agi::util::strftime("%Y-%m-%d-%H-%M-%S"));
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c->subsController->Save(path);
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#if wxUSE_STACKWALKER == 1
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if (stackWalk) {
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StackWalker walker("Fatal exception");
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walker.WalkFromException();
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}
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#endif
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// Inform user of crash.
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wxMessageBox(wxString::Format(exception_message, path.wstring()), _("Program error"), wxOK | wxICON_ERROR | wxCENTER, nullptr);
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}
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else if (LastStartupState) {
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#if wxUSE_STACKWALKER == 1
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if (stackWalk) {
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StackWalker walker("Fatal exception");
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walker.WalkFromException();
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}
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#endif
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wxMessageBox(wxString::Format("Aegisub has crashed while starting up!\n\nThe last startup step attempted was: %s.", LastStartupState), _("Program error"), wxOK | wxICON_ERROR | wxCENTER);
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}
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#endif
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}
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void AegisubApp::OnUnhandledException() {
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UnhandledExeception(false, frame ? frame->context.get() : nullptr);
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}
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void AegisubApp::OnFatalException() {
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UnhandledExeception(true, frame ? frame->context.get() : nullptr);
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}
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void AegisubApp::HandleEvent(wxEvtHandler *handler, wxEventFunction func, wxEvent& event) const {
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#define SHOW_EXCEPTION(str) wxMessageBox(str, "Exception in event handler", wxOK | wxICON_ERROR | wxCENTER | wxSTAY_ON_TOP)
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try {
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wxApp::HandleEvent(handler, func, event);
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}
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catch (const agi::Exception &e) {
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SHOW_EXCEPTION(to_wx(e.GetChainedMessage()));
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}
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catch (const std::exception &e) {
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SHOW_EXCEPTION(to_wx(e.what()));
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}
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catch (const char *e) {
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SHOW_EXCEPTION(to_wx(e));
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}
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catch (const wxString &e) {
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SHOW_EXCEPTION(e);
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}
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#undef SHOW_EXCEPTION
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}
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int AegisubApp::OnRun() {
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std::string error;
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try {
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if (m_exitOnFrameDelete == Later) m_exitOnFrameDelete = Yes;
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return MainLoop();
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}
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catch (const wxString &err) { error = from_wx(err); }
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catch (const char *err) { error = err; }
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catch (const std::exception &e) { error = std::string("std::exception: ") + e.what(); }
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catch (const agi::Exception &e) { error = "agi::exception: " + e.GetChainedMessage(); }
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catch (...) { error = "Program terminated in error."; }
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// Report errors
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if (!error.empty()) {
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boost::filesystem::ofstream file(StandardPaths::DecodePath("?user/crashlog.txt"), std::ios::app);
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if (file.is_open()) {
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file << agi::util::strftime("--- %y-%m-%d %H:%M:%S ------------------\n");
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file << boost::format("VER - %s\n") % GetAegisubLongVersionString();
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file << boost::format("EXC - Aegisub has crashed with unhandled exception \"%s\".\n") % error;
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file << "----------------------------------------\n\n";
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file.close();
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}
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OnUnhandledException();
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}
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ExitMainLoop();
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return 1;
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}
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void AegisubApp::MacOpenFile(const wxString &filename) {
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if (frame && !filename.empty())
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frame->context->subsController->Load(agi::fs::path(filename));
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}
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