Aegisub/src/utils.cpp

297 lines
9.3 KiB
C++
Raw Permalink Normal View History

// Copyright (c) 2005-2006, Rodrigo Braz Monteiro
2006-01-16 22:02:54 +01:00
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
#include "utils.h"
#include "compat.h"
#include "format.h"
#include "options.h"
#include "retina_helper.h"
#include <libaegisub/dispatch.h>
#include <libaegisub/fs.h>
#include <libaegisub/log.h>
#ifdef __UNIX__
#include <unistd.h>
#endif
2014-05-23 00:40:16 +02:00
#include <boost/filesystem/path.hpp>
#include <map>
#include <unicode/locid.h>
2017-05-09 04:01:47 +02:00
#include <unicode/unistr.h>
2012-11-19 06:10:36 +01:00
#include <wx/clipbrd.h>
#include <wx/filedlg.h>
#include <wx/stdpaths.h>
#include <wx/window.h>
#ifdef __APPLE__
#include <libaegisub/util_osx.h>
2013-12-10 18:08:30 +01:00
#include <CoreText/CTFont.h>
#endif
2006-01-16 22:02:54 +01:00
/// @brief There shall be no kiB, MiB stuff here Pretty reading of size
wxString PrettySize(int bytes) {
const char *suffix[] = { "", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
// Set size
size_t i = 0;
double size = bytes;
while (size > 1024 && i + 1 < sizeof(suffix) / sizeof(suffix[0])) {
size /= 1024.0;
i++;
}
// Set number of decimal places
const char *fmt = "%.0f";
if (size < 10)
fmt = "%.2f";
else if (size < 100)
fmt = "%1.f";
return agi::wxformat(fmt, size) + " " + suffix[i];
}
std::string float_to_string(double val, int precision) {
std::string fmt = "%." + std::to_string(precision) + "f";
std::string s = agi::format(fmt, val);
size_t pos = s.find_last_not_of("0");
if (pos != s.find(".")) ++pos;
s.erase(begin(s) + pos, end(s));
return s;
}
int SmallestPowerOf2(int x) {
x--;
x |= (x >> 1);
x |= (x >> 2);
x |= (x >> 4);
x |= (x >> 8);
x |= (x >> 16);
x++;
return x;
}
#ifndef __WXMAC__
void RestartAegisub() {
config::opt->Flush();
#if defined(__WXMSW__)
wxExecute("\"" + wxStandardPaths::Get().GetExecutablePath() + "\"");
#else
wxExecute(wxStandardPaths::Get().GetExecutablePath());
#endif
}
#endif
bool ForwardMouseWheelEvent(wxWindow *source, wxMouseEvent &evt) {
wxWindow *target = wxFindWindowAtPoint(wxGetMousePosition());
if (!target || target == source) return true;
// If the mouse is over a parent of the source window just pretend it's
// over the source window, so that the mouse wheel works on borders and such
wxWindow *parent = source->GetParent();
while (parent && parent != target) parent = parent->GetParent();
if (parent == target) return true;
// Otherwise send it to the new target
target->GetEventHandler()->ProcessEvent(evt);
evt.Skip(false);
return false;
}
std::string GetClipboard() {
wxString data;
wxClipboard *cb = wxClipboard::Get();
if (cb->Open()) {
if (cb->IsSupported(wxDF_TEXT) || cb->IsSupported(wxDF_UNICODETEXT)) {
wxTextDataObject raw_data;
cb->GetData(raw_data);
data = raw_data.GetText();
}
cb->Close();
}
return from_wx(data);
}
void SetClipboard(std::string const& new_data) {
wxClipboard *cb = wxClipboard::Get();
if (cb->Open()) {
cb->SetData(new wxTextDataObject(to_wx(new_data)));
cb->Flush();
cb->Close();
}
}
void SetClipboard(wxBitmap const& new_data) {
wxClipboard *cb = wxClipboard::Get();
if (cb->Open()) {
cb->SetData(new wxBitmapDataObject(new_data));
cb->Flush();
cb->Close();
}
}
void CleanCache(agi::fs::path const& directory, std::string const& file_type, uint64_t max_size, uint64_t max_files) {
static std::unique_ptr<agi::dispatch::Queue> queue;
if (!queue)
queue = agi::dispatch::Create();
max_size <<= 20;
if (max_files == 0)
max_files = std::numeric_limits<uint64_t>::max();
queue->Async([=]{
LOG_D("utils/clean_cache") << "cleaning " << directory/file_type;
uint64_t total_size = 0;
using cache_item = std::pair<int64_t, agi::fs::path>;
std::vector<cache_item> cachefiles;
for (auto const& file : agi::fs::DirectoryIterator(directory, file_type)) {
agi::fs::path path = directory/file;
cachefiles.push_back({agi::fs::ModifiedTime(path), path});
total_size += agi::fs::Size(path);
}
if (cachefiles.size() <= max_files && total_size <= max_size) {
LOG_D("utils/clean_cache") << agi::format("cache does not need cleaning (maxsize=%d, cursize=%d, maxfiles=%d, numfiles=%d), exiting"
, max_size, total_size, max_files, cachefiles.size());
return;
}
sort(begin(cachefiles), end(cachefiles), [](cache_item const& a, cache_item const& b) {
return a.first < b.first;
});
int deleted = 0;
for (auto const& i : cachefiles) {
// stop cleaning?
if ((total_size <= max_size && cachefiles.size() - deleted <= max_files) || cachefiles.size() - deleted < 2)
break;
uint64_t size = agi::fs::Size(i.second);
try {
agi::fs::Remove(i.second);
LOG_D("utils/clean_cache") << "deleted " << i.second;
}
catch (agi::Exception const& e) {
LOG_D("utils/clean_cache") << "failed to delete file " << i.second << ": " << e.GetMessage();
continue;
}
total_size -= size;
++deleted;
}
LOG_D("utils/clean_cache") << "deleted " << deleted << " files, exiting";
});
}
#ifndef __WXOSX_COCOA__
// OS X implementation in osx_utils.mm
void AddFullScreenButton(wxWindow *) { }
void SetFloatOnParent(wxWindow *) { }
// OS X implementation in retina_helper.mm
RetinaHelper::RetinaHelper(wxWindow* w) { window = w; }
RetinaHelper::~RetinaHelper() { }
int RetinaHelper::GetScaleFactor() const {
#ifdef __WXGTK__
return int(window->GetContentScaleFactor());
#else
return 1;
#endif
}
// OS X implementation in scintilla_ime.mm
namespace osx { namespace ime {
void inject(wxStyledTextCtrl *) { }
void invalidate(wxStyledTextCtrl *) { }
bool process_key_event(wxStyledTextCtrl *, wxKeyEvent&) { return false; }
} }
#endif
2013-12-10 18:08:30 +01:00
wxString FontFace(std::string opt_prefix) {
opt_prefix += "/Font Face";
auto value = OPT_GET(opt_prefix)->GetString();
#ifdef __WXOSX_COCOA__
if (value.empty()) {
auto default_font = CTFontCreateUIFontForLanguage(kCTFontUserFontType, 0, nullptr);
auto default_font_name = CTFontCopyPostScriptName(default_font);
CFRelease(default_font);
auto utf8_str = CFStringGetCStringPtr(default_font_name, kCFStringEncodingUTF8);
if (utf8_str)
value = utf8_str;
else {
char buffer[1024];
CFStringGetCString(default_font_name, buffer, sizeof(buffer), kCFStringEncodingUTF8);
buffer[1023] = '\0';
value = buffer;
}
CFRelease(default_font_name);
}
#endif
return to_wx(value);
}
static agi::fs::path FileSelector(wxString const& message, std::string const& option_name, std::string const& default_filename, std::string const& default_extension, std::string const& wildcard, int flags, wxWindow *parent) {
wxString path;
if (!option_name.empty())
path = to_wx(OPT_GET(option_name)->GetString());
agi::fs::path filename = wxFileSelector(message, path, to_wx(default_filename), to_wx(default_extension), to_wx(wildcard), flags, parent).wx_str();
if (!filename.empty() && !option_name.empty())
OPT_SET(option_name)->SetString(filename.parent_path().string());
return filename;
}
agi::fs::path OpenFileSelector(wxString const& message, std::string const& option_name, std::string const& default_filename, std::string const& default_extension, std::string const& wildcard, wxWindow *parent) {
return FileSelector(message, option_name, default_filename, default_extension, wildcard, wxFD_OPEN | wxFD_FILE_MUST_EXIST, parent);
}
agi::fs::path SaveFileSelector(wxString const& message, std::string const& option_name, std::string const& default_filename, std::string const& default_extension, std::string const& wildcard, wxWindow *parent) {
return FileSelector(message, option_name, default_filename, default_extension, wildcard, wxFD_SAVE | wxFD_OVERWRITE_PROMPT, parent);
}
wxString LocalizedLanguageName(wxString const& lang) {
icu::Locale iculoc(lang.c_str());
if (!iculoc.isBogus()) {
icu::UnicodeString ustr;
iculoc.getDisplayName(iculoc, ustr);
#ifdef _MSC_VER
return wxString((const wchar_t*)ustr.getBuffer());
#else
std::string utf8;
ustr.toUTF8String(utf8);
return to_wx(utf8);
#endif
}
if (auto info = wxLocale::FindLanguageInfo(lang))
return info->Description;
return lang;
}