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7b21f7af2e
Adds an interface that uses fmt under the hood, which is much more flexible than printf, particularly for localization purposes, given fmt supports positional formatters in a cross-platform manner out of the box with no configuration necessary.
145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "Common/MsgHandler.h"
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#include <cstdarg>
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#include <string>
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <cstdio>
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#include <fmt/format.h>
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#endif
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#include "Common/Common.h"
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#include "Common/CommonTypes.h"
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#include "Common/Logging/Log.h"
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#include "Common/StringUtil.h"
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namespace Common
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{
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namespace
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{
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// Default non library dependent panic alert
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bool DefaultMsgHandler(const char* caption, const char* text, bool yes_no, MsgType style)
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{
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#ifdef _WIN32
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int window_style = MB_ICONINFORMATION;
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if (style == MsgType::Question)
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window_style = MB_ICONQUESTION;
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if (style == MsgType::Warning)
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window_style = MB_ICONWARNING;
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return IDYES == MessageBox(0, UTF8ToTStr(text).c_str(), UTF8ToTStr(caption).c_str(),
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window_style | (yes_no ? MB_YESNO : MB_OK));
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#else
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fmt::print(stderr, "{}\n", text);
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// Return no to any question (which will in general crash the emulator)
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return false;
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#endif
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}
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// Default (non) translator
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std::string DefaultStringTranslator(const char* text)
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{
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return text;
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}
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MsgAlertHandler s_msg_handler = DefaultMsgHandler;
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StringTranslator s_str_translator = DefaultStringTranslator;
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bool s_alert_enabled = true;
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const char* GetCaption(MsgType style)
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{
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static const std::string info_caption = s_str_translator(_trans("Information"));
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static const std::string warn_caption = s_str_translator(_trans("Question"));
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static const std::string ques_caption = s_str_translator(_trans("Warning"));
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static const std::string crit_caption = s_str_translator(_trans("Critical"));
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switch (style)
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{
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case MsgType::Information:
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return info_caption.c_str();
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case MsgType::Question:
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return ques_caption.c_str();
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case MsgType::Warning:
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return warn_caption.c_str();
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case MsgType::Critical:
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return crit_caption.c_str();
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default:
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return "Unhandled caption";
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}
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}
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} // Anonymous namespace
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// Select which of these functions that are used for message boxes. If
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// Qt is enabled we will use QtMsgAlertHandler() that is defined in Main.cpp
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void RegisterMsgAlertHandler(MsgAlertHandler handler)
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{
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s_msg_handler = handler;
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}
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// Select translation function.
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void RegisterStringTranslator(StringTranslator translator)
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{
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s_str_translator = translator;
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}
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// enable/disable the alert handler
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void SetEnableAlert(bool enable)
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{
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s_alert_enabled = enable;
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}
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std::string GetStringT(const char* string)
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{
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return s_str_translator(string);
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}
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// This is the first stop for gui alerts where the log is updated and the
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// correct window is shown
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bool MsgAlert(bool yes_no, MsgType style, const char* format, ...)
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{
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// Read message and write it to the log
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const char* caption = GetCaption(style);
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char buffer[2048];
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va_list args;
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va_start(args, format);
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CharArrayFromFormatV(buffer, sizeof(buffer) - 1, s_str_translator(format).c_str(), args);
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va_end(args);
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ERROR_LOG_FMT(MASTER_LOG, "{}: {}", caption, buffer);
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// Don't ignore questions, especially AskYesNo, PanicYesNo could be ignored
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if (s_msg_handler != nullptr &&
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(s_alert_enabled || style == MsgType::Question || style == MsgType::Critical))
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{
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return s_msg_handler(caption, buffer, yes_no, style);
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}
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return true;
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}
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bool MsgAlertFmtImpl(bool yes_no, MsgType style, fmt::string_view format,
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const fmt::format_args& args)
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{
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const char* caption = GetCaption(style);
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const auto message = fmt::vformat(format, args);
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ERROR_LOG_FMT(MASTER_LOG, "{}: {}", caption, message);
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// Don't ignore questions, especially AskYesNo, PanicYesNo could be ignored
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if (s_msg_handler != nullptr &&
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(s_alert_enabled || style == MsgType::Question || style == MsgType::Critical))
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{
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return s_msg_handler(caption, message.c_str(), yes_no, style);
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}
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return true;
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}
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} // namespace Common
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