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mainsettings.cpp
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/***************************************************************************
* Copyright © 2022 by Andrey Afletdinov <public.irkutsk@gmail.com> *
* *
* Part of the QXKB5 *
* https://github.com/AndreyBarmaley/qxkb5 *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QDir>
#include <QMenu>
#include <QImage>
#include <QColor>
#include <QRegExp>
#include <QPainter>
#include <QProcess>
#include <QByteArray>
#include <QJsonValue>
#include <QJsonArray>
#include <QFontDialog>
#include <QFileDialog>
#include <QDataStream>
#include <QTreeWidget>
#include <QJsonObject>
#include <QApplication>
#include <QColorDialog>
#include <QJsonDocument>
#include <QStandardPaths>
#include <QTreeWidgetItem>
#include <QDebug>
#include <chrono>
#include <exception>
#include "mainsettings.h"
#include "ui_mainsettings.h"
QString GenericError::toString(const char* func) const
{
auto err = get();
if(err)
{
auto str = QString("error code: %1, major: 0x%2, minor: 0x%3, sequence: %4").
arg((int) err->error_code).
arg(err->major_code, 2, 16, QChar('0')).
arg(err->minor_code, 4, 16, QChar('0')).
arg((uint) err->sequence);
if(func)
return QString(func).append(" ").append(str);
return str;
}
return nullptr;
}
/* MainSettings */
MainSettings::MainSettings(const QString & globalConfigPath, QWidget *parent) : QWidget(parent), ui(new Ui::MainSettings)
{
skipClasses << "qxkb5";
actionSettings = new QAction("Settings", this);
actionExit = new QAction("Exit", this);
auto version = QString("%1 version: %2").arg(QCoreApplication::applicationName()).arg(QCoreApplication::applicationVersion());
auto github = QString("https://github.com/AndreyBarmaley/qxkb5");
ui->setupUi(this);
ui->tabWidget->setCurrentIndex(0);
ui->aboutInfo->setText(QString("<center><b>%1</b></center><br><br>"
"<p>Source code: <a href='%2'>%2</a></p>"
"<p>Copyright © 2022 by Andrey Afletdinov <public.irkutsk@gmail.com></p>").arg(version).arg(github));
configLoadGlobal(globalConfigPath);
configLoadLocal();
startupProcess();
xcb = new XcbEventsPool(this);
cacheLoadItems();
QMenu* menu = new QMenu(this);
menu->addAction(actionSettings);
menu->addSeparator();
menu->addAction(actionExit);
initXkbLayoutIcons();
int index = xcb->getXkbLayout();
trayIcon = new QSystemTrayIcon(this);
trayIcon->setIcon(layoutIcons.at(index));
trayIcon->setToolTip(version);
trayIcon->setContextMenu(menu);
trayIcon->show();
/*
// session screensaver
const char* service = "org.mate.ScreenSaver";
const char* path = "/org/mate/ScreenSaver";
const char* interface = "org.mate.ScreenSaver";
dbusInterfacePtr.reset(new QDBusInterface(service, path, interface, QDBusConnection::sessionBus()));
if(dbusInterfacePtr->isValid())
{
connect(dbusInterfacePtr.get(), SIGNAL(ActiveChanged(bool)), this, SLOT(screenSaverActiveChanged(bool)));
}
else
{
qWarning() << "dbus interface not found: " << service;
dbusInterfacePtr.reset();
}
*/
connect(actionSettings, SIGNAL(triggered()), this, SLOT(show()));
connect(actionExit, SIGNAL(triggered()), this, SLOT(exitProgram()));
connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(iconActivated(QSystemTrayIcon::ActivationReason)));
connect(xcb, SIGNAL(activeWindowNotify(int)), this, SLOT(activeWindowChanged(int)));
connect(xcb, SIGNAL(windowTitleNotify(int)), this, SLOT(windowTitleChanged(int)));
connect(xcb, SIGNAL(xkbStateNotify(int)), this, SLOT(xkbStateChanged(int)));
connect(xcb, SIGNAL(xkbNewKeyboardNotify(int)), this, SLOT(xkbNewKeyboardChanged(int)));
connect(xcb, SIGNAL(shutdownNotify()), this, SLOT(exitProgram()));
connect(xcb, SIGNAL(xkbNamesChanged()), this, SLOT(iconAttributeChanged()));
connect(this, SIGNAL(iconAttributeNotify()), this, SLOT(iconAttributeChanged()));
if(ui->checkBoxPeriodicCheck->isChecked())
periodicCheckXkbRules = startTimer(std::chrono::seconds(2));
// start events pool thread mode
xcb->start();
}
MainSettings::~MainSettings()
{
windowRestoreTitle(prevWindow);
delete ui;
}
void MainSettings::startupProcess(void)
{
if(ui->checkBoxStartup->isChecked() && !ui->lineEditStartup->text().isEmpty())
{
QStringList args = ui->lineEditStartup->text().split(QRegExp("\\s+"));
auto cmd = args.front();
args.pop_front();
if(0)
qWarning() << "cmd: " << cmd << args;
QProcess process(this);
process.setProgram(cmd);
process.setArguments(args);
process.start(QIODevice::NotOpen);
if(process.waitForFinished())
startupCmd = ui->lineEditStartup->text();
forceReload = false;
}
}
void MainSettings::screenSaverActiveChanged(bool state)
{
if(! state)
startupProcess();
}
void MainSettings::keyPressEvent(QKeyEvent* ev)
{
if(ui->tabWidget->currentWidget() == ui->tabCache)
{
if(ev->key() == Qt::Key_Delete)
{
if(auto item = ui->treeWidgetCache->currentItem())
{
int index = ui->treeWidgetCache->indexOfTopLevelItem(item);
ui->treeWidgetCache->takeTopLevelItem(index);
}
}
}
}
void MainSettings::timerEvent(QTimerEvent* ev)
{
if(ev->timerId() == periodicCheckXkbRules)
{
QRegExp rx("-layout\\s+\"([\\w,]+)");
if(rx.indexIn(ui->lineEditStartup->text(), 0) != -1)
{
auto names1 = rx.cap(1).split(",");
auto names2 = xcb->getXkbNames();
if(0)
qWarning() << "names1: " << names1 << "names2: " << names2;
if(forceReload || names1.size() != names2.size())
startupProcess();
}
}
}
void MainSettings::periodicChecked(bool f)
{
if(f)
{
killTimer(periodicCheckXkbRules);
periodicCheckXkbRules = startTimer(std::chrono::seconds(2));
}
else
if(0 < periodicCheckXkbRules)
{
killTimer(periodicCheckXkbRules);
}
}
void MainSettings::exitProgram(void)
{
hide();
close();
}
void MainSettings::showEvent(QShowEvent* event)
{
actionSettings->setDisabled(true);
}
void MainSettings::hideEvent(QHideEvent* event)
{
actionSettings->setEnabled(true);
}
void MainSettings::closeEvent(QCloseEvent* event)
{
if(isVisible())
{
if(ui->lineEditStartup->text() != startupCmd)
startupProcess();
event->ignore();
hide();
}
cacheSaveItems();
configSave();
}
void MainSettings::setBackgroundTransparent(bool f)
{
ui->lineEditBackgroundColor->setDisabled(f);
ui->pushButtonSelColor1->setDisabled(f);
if(f)
{
ui->lineEditBackgroundColor->setText("transparent");
}
else
{
ui->lineEditBackgroundColor->setText("#191970");
ui->lineEditTextColor->setText("#FFFFFF");
}
emit iconAttributeNotify();
}
void MainSettings::selectBackgroundColor(void)
{
QColorDialog dialog(this);
dialog.setCurrentColor(QColor(ui->lineEditBackgroundColor->text()));
if(dialog.exec())
{
ui->lineEditBackgroundColor->setText(dialog.selectedColor().name());
emit iconAttributeNotify();
}
}
void MainSettings::allowPictureMode(bool f)
{
ui->fromIconsPath->setEnabled(f);
emit iconAttributeNotify();
}
void MainSettings::allowIconsPath(bool)
{
emit iconAttributeNotify();
}
void MainSettings::iconAttributeChanged(void)
{
initXkbLayoutIcons();
int index = xcb->getXkbLayout();
trayIcon->setIcon(layoutIcons.at(index));
}
void MainSettings::selectTextColor(void)
{
QColorDialog dialog(this);
dialog.setCurrentColor(QColor(ui->lineEditTextColor->text()));
if(dialog.exec())
{
ui->lineEditTextColor->setText(dialog.selectedColor().name());
emit iconAttributeNotify();
}
}
void MainSettings::selectFont(void)
{
auto fontArgs = ui->lineEditFont->text().split(", ");
QFont font(fontArgs.front());
if(1 < fontArgs.size())
font.setPointSize(fontArgs.at(1).toInt());
if(2 < fontArgs.size())
font.setWeight(fontArgs.at(2).toInt());
QFontDialog dialog(this);
dialog.setCurrentFont(font);
if(dialog.exec())
{
auto font = dialog.selectedFont();
ui->lineEditFont->setText(QString("%1, %2, %3").arg(font.family()).arg(font.pointSize()).arg(font.weight()));
emit iconAttributeNotify();
}
}
void MainSettings::selectIconsPath(void)
{
QFileDialog dialog(this);
dialog.setDirectory(QDir(ui->lineEditIconsPath->text()));
dialog.setOption(QFileDialog::ShowDirsOnly, true);
if(dialog.exec())
{
ui->lineEditIconsPath->setText(dialog.directory().absolutePath());
emit iconAttributeNotify();
}
}
void MainSettings::iconActivated(QSystemTrayIcon::ActivationReason reason)
{
if(reason == QSystemTrayIcon::Trigger)
xcb->switchXkbLayout();
}
void MainSettings::configSave(void)
{
auto localData = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation);
QDir().mkpath(localData);
auto configPath = QDir(localData).absoluteFilePath("config");
QFile file(configPath);
if(! file.open(QIODevice::WriteOnly))
return;
QDataStream ds(&file);
ds << int(VERSION) <<
ui->checkBoxStartup->isChecked() <<
ui->backgroundTransparent->isChecked() <<
ui->lineEditBackgroundColor->text() <<
ui->lineEditTextColor->text() <<
ui->lineEditFont->text() <<
ui->groupBoxPictureMode->isChecked() <<
ui->fromIconsPath->isChecked() <<
ui->lineEditIconsPath->text() <<
ui->lineEditStartup->text() <<
ui->checkBoxSound->isChecked() <<
ui->checkBoxChangeTitle->isChecked() <<
ui->lineEditTitleFormat->text() <<
ui->checkBoxPeriodicCheck->isChecked();
}
bool MainSettings::configLoadLocal(void)
{
auto localData = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation);
QDir().mkpath(localData);
auto configPath = QDir(localData).absoluteFilePath("config");
QFile file(configPath);
if(! file.open(QIODevice::ReadOnly))
return false;
QDataStream ds(&file);
int version;
ds >> version;
bool startup;
ds >> startup;
ui->checkBoxStartup->setChecked(startup);
bool transparent;
ds >> transparent;
ui->backgroundTransparent->setChecked(transparent);
QString backgroundColor, textColor, font;
ds >> backgroundColor >> textColor >> font;
ui->lineEditBackgroundColor->setText(backgroundColor);
ui->lineEditTextColor->setText(textColor);
ui->lineEditFont->setText(font);
bool picmode;
ds >> picmode;
ui->groupBoxPictureMode->setChecked(picmode);
bool frompath;
ds >> frompath;
ui->fromIconsPath->setChecked(frompath);
QString iconpath;
ds >> iconpath;
ui->lineEditIconsPath->setText(iconpath);
QString startcmd;
ds >> startcmd;
ui->lineEditStartup->setText(startcmd);
bool sound;
ds >> sound;
ui->checkBoxSound->setChecked(sound);
if(20220510 < version)
{
bool changeTitle;
ds >> changeTitle;
ui->checkBoxChangeTitle->setChecked(changeTitle);
QString titleFormat;
ds >> titleFormat;
ui->lineEditTitleFormat->setText(titleFormat);
}
if(20220609 < version)
{
bool periodic;
ds >> periodic;
ui->checkBoxPeriodicCheck->setChecked(periodic);
}
return true;
}
bool MainSettings::configLoadGlobal(const QString & jsonPath)
{
if(jsonPath.isEmpty())
return false;
QFile file(jsonPath);
if(! file.open(QIODevice::ReadOnly))
{
qWarning() << "error open file" << jsonPath;
return false;
}
auto data = file.readAll();
if(data.isEmpty())
{
qWarning() << "file empty" << jsonPath;
return false;
}
auto jsonDoc = QJsonDocument::fromJson(data);
if(jsonDoc.isEmpty())
{
qWarning() << "not json format" << jsonPath;
return false;
}
if(! jsonDoc.isObject())
{
qWarning() << "not json object" << jsonPath;
return false;
}
auto jsonObject = jsonDoc.object();
if(jsonObject.isEmpty())
{
qWarning() << "json empty" << jsonPath;
return false;
}
bool transparent = jsonObject.value("background:transparent").toBool();
ui->backgroundTransparent->setChecked(transparent);
QString startupCmd = jsonObject.value("startup:cmd").toString();
if(! startupCmd.isEmpty())
{
ui->checkBoxStartup->setChecked(true);
ui->lineEditStartup->setText(startupCmd);
}
QString backgroundColor = jsonObject.value("background:color").toString();
if(! backgroundColor.isEmpty())
ui->lineEditBackgroundColor->setText(backgroundColor);
QString textColor = jsonObject.value("text:color").toString();
if(! textColor.isEmpty())
ui->lineEditTextColor->setText(textColor);
QString labelFont = jsonObject.value("label:font").toString();
if(! labelFont.isEmpty())
ui->lineEditFont->setText(labelFont);
bool picmode = jsonObject.value("picture:mode").toBool();
ui->groupBoxPictureMode->setChecked(picmode);
bool sound = jsonObject.value("sound").toBool();
ui->checkBoxSound->setChecked(sound);
bool changeTitle = jsonObject.value("title:change").toBool();
ui->checkBoxChangeTitle->setChecked(changeTitle);
QString titleFormat = jsonObject.value("title:format").toString();
ui->lineEditTitleFormat->setText(titleFormat);
for(auto val : jsonObject.value("windows:skip").toArray())
skipClasses << val.toString();
bool periodicCheck = jsonObject.value("periodic:check").toBool();
ui->checkBoxPeriodicCheck->setChecked(periodicCheck);
return true;
}
void MainSettings::cacheSaveItems(void)
{
auto localData = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation);
QDir().mkpath(localData);
auto cachePath = QDir(localData).absoluteFilePath("cache");
QFile file(cachePath);
if(! file.open(QIODevice::WriteOnly))
return;
QDataStream ds(&file);
int counts = ui->treeWidgetCache->topLevelItemCount();
ds << int(VERSION) << counts;
for(int cur = 0; cur < counts; ++cur)
{
auto item = ui->treeWidgetCache->topLevelItem(cur);
ds << item->text(0) << item->text(1);
ds << item->data(2, Qt::UserRole).toInt();
ds << item->data(3, Qt::UserRole).toInt();
}
}
QString layoutStateName(int v)
{
if(v == LayoutState::StateFirst)
return "first";
if(v == LayoutState::StateFixed)
return "fixed";
if(v == LayoutState::StateNormal)
return "normal";
return "unknown";
}
void setHighlightStatusItem(QTreeWidgetItem* item, int state2)
{
for(int col = 0; col < item->columnCount(); ++col)
{
item->setToolTip(col, col == 2 ? "change layout" : "change state: normal, first, fixed");
auto font = item->font(col);
font.setBold(state2 == LayoutState::StateFixed || state2 == LayoutState::StateFirst);
item->setFont(col, font);
}
}
void MainSettings::cacheLoadItems(void)
{
auto localData = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation);
QDir().mkpath(localData);
auto cachePath = QDir(localData).absoluteFilePath("cache");
QFile file(cachePath);
if(! file.open(QIODevice::ReadOnly))
return;
QDataStream ds(&file);
ui->treeWidgetCache->clear();
int version, counts;
ds >> version >> counts;
for(int cur = 0; cur < counts; ++cur)
{
QString class1, class2;
int layout2, state2;
ds >> class1 >> class2 >> layout2 >> state2;
auto names = xcb->getXkbNames();
if(names.size())
{
QString layout1 = 0 <= layout2 && names.size() > layout2 ? names.at(layout2) : names.front();
QString state1 = layoutStateName(state2);
auto item = new QTreeWidgetItem(QStringList() << class1 << class2 << layout1 << state1);
item->setData(2, Qt::UserRole, layout2);
item->setData(3, Qt::UserRole, state2);
setHighlightStatusItem(item, state2);
ui->treeWidgetCache->addTopLevelItem(item);
}
}
}
QTreeWidgetItem* MainSettings::cacheFindItem(const QString & class1, const QString & class2)
{
auto items1 = ui->treeWidgetCache->findItems(class1, Qt::MatchFixedString, 0);
auto items2 = ui->treeWidgetCache->findItems(class2, Qt::MatchFixedString, 1);
for(auto & item : items1)
if(items2.contains(item)) return item;
return nullptr;
}
void MainSettings::cacheItemClicked(QTreeWidgetItem* item, int column)
{
// change layout priority
if(column == 2)
{
auto names = xcb->getXkbNames();
if(names.size())
{
int layout2 = (item->data(2, Qt::UserRole).toInt() + 1) % names.size();
item->setText(2, names.at(layout2));
item->setData(2, Qt::UserRole, layout2);
}
}
// change state
else
{
auto state2 = item->data(3, Qt::UserRole).toInt();
if(state2 >= LayoutState::StateFixed)
state2 = LayoutState::StateNormal;
else
state2 += 1;
item->setText(3, layoutStateName(state2));
item->setData(3, Qt::UserRole, state2);
setHighlightStatusItem(item, state2);
}
}
void MainSettings::windowRestoreTitle(xcb_window_t win)
{
if(XCB_WINDOW_NONE != win)
{
auto list = xcb->getPropertyStringList(win, XCB_ATOM_WM_CLASS);
if(! list.empty() && ! skipClasses.contains(list.front(), Qt::CaseInsensitive))
{
if(auto item = cacheFindItem(list.front(), list.back()))
{
auto title = item->data(0, Qt::UserRole).toString();
xcb->setWindowName(win, title.toStdString());
}
}
}
}
void MainSettings::windowUpdateTitle(xcb_window_t win, const QString & title, const QString & label)
{
auto format = ui->lineEditTitleFormat->text();
auto text = format.replace(QString("%{title}"), title).replace(QString("%{label}"), label);
xcb->setWindowEvents(win, XCB_EVENT_MASK_NO_EVENT);
xcb->setWindowName(win, text.toStdString());
xcb->setWindowEvents(win, XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_KEY_PRESS);
}
void MainSettings::windowTitleChanged(int win)
{
if(ui->checkBoxChangeTitle->isChecked())
{
auto list = xcb->getPropertyStringList(win, XCB_ATOM_WM_CLASS);
if(! list.empty())
{
QString title = xcb->getWindowName(win);
auto layout = xcb->getXkbLayout();
auto names = xcb->getXkbNames();
// update backup title
if(auto item = cacheFindItem(list.front(), list.back()))
item->setData(0, Qt::UserRole, title);
if(static_cast<int>(prevWindow) == win &&
0 <= layout && layout < names.size())
windowUpdateTitle(prevWindow, title, names.at(layout));
}
}
}
void MainSettings::activeWindowChanged(int win)
{
// disable events
xcb->setWindowEvents(prevWindow, XCB_EVENT_MASK_NO_EVENT);
if(ui->checkBoxChangeTitle->isChecked())
windowRestoreTitle(prevWindow);
prevWindow = win;
// enable events
xcb->setWindowEvents(win, XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_KEY_PRESS);
// update cache
auto list = xcb->getPropertyStringList(win, XCB_ATOM_WM_CLASS);
if(list.empty() || skipClasses.contains(list.front(), Qt::CaseInsensitive)) return;
auto layout1 = xcb->getXkbLayout();
auto names = xcb->getXkbNames();
if(auto item = cacheFindItem(list.front(), list.back()))
{
// backup title
if(item->data(0, Qt::UserRole).isNull())
{
QString title = xcb->getWindowName(win);
item->setData(0, Qt::UserRole, title);
}
auto layout2 = item->data(2, Qt::UserRole).toInt();
if(layout2 != layout1)
xcb->switchXkbLayout(layout2);
}
else
// item not found
if(0 <= layout1 && layout1 < names.size())
{
QString title = xcb->getWindowName(win);
auto item = new QTreeWidgetItem(QStringList() << list.front() << list.back() << names.at(layout1) << "normal");
// title
item->setData(0, Qt::UserRole, title);
// layout
item->setData(2, Qt::UserRole, layout1);
// state
item->setData(3, Qt::UserRole, int(LayoutState::StateNormal));
ui->treeWidgetCache->addTopLevelItem(item);
}
windowTitleChanged(win);
}
void MainSettings::xkbNewKeyboardChanged(int changed)
{
// XCB_XKB_NKN_DETAIL_KEYCODES = 1, XCB_XKB_NKN_DETAIL_GEOMETRY = 2, XCB_XKB_NKN_DETAIL_DEVICE_ID = 4
if(changed & XCB_XKB_NKN_DETAIL_KEYCODES)
return;
if(changed & XCB_XKB_NKN_DETAIL_GEOMETRY)
forceReload = true;
}
void MainSettings::xkbStateChanged(int layout1)
{
if(0 == prevWindow)
return;
auto list = xcb->getPropertyStringList(prevWindow, XCB_ATOM_WM_CLASS);
if(list.empty() || skipClasses.contains(list.front(), Qt::CaseInsensitive)) return;
auto names = xcb->getXkbNames();
auto item = cacheFindItem(list.front(), list.back());
if(item)
{
auto state2 = item->data(3, Qt::UserRole).toInt();
auto layout2 = item->data(2, Qt::UserRole).toInt();
bool play = false;
if(layout2 != layout1)
{
if(state2 == LayoutState::StateFixed)
{
// revert layout
xcb->switchXkbLayout(layout2);
}
else
if(state2 == LayoutState::StateNormal &&
0 <= layout1 && layout1 < names.size())
{
item->setText(2, names.at(layout1));
item->setData(2, Qt::UserRole, layout1);
play = true;
}
}
if(state2 == LayoutState::StateFirst)
play = true;
if(play && ui->checkBoxSound->isChecked())
{
if(soundClick.isFinished())
soundClick.play();
}
if(ui->checkBoxChangeTitle->isChecked() &&
0 <= layout1 && layout1 < names.size())
{
auto title = item->data(0, Qt::UserRole).toString();
windowUpdateTitle(prevWindow, title, names.at(layout1));
}
}
else
if(0 <= layout1 && layout1 < names.size())
{
auto item = new QTreeWidgetItem(QStringList() << list.front() << list.back() << names.at(layout1) << "normal");
item->setData(2, Qt::UserRole, layout1);
item->setData(3, Qt::UserRole, int(LayoutState::StateNormal));
ui->treeWidgetCache->addTopLevelItem(item);
}
if(layout1 < layoutIcons.size())
trayIcon->setIcon(layoutIcons.at(layout1));
}
QPixmap MainSettings::getLayoutIcon(const QString & layoutName)
{
if(ui->groupBoxPictureMode->isChecked())
{
QPixmap px;
if(ui->fromIconsPath->isChecked())
{
auto format = QString("%1.png").arg(layoutName.left(2)).toLower();
auto iconFile = QDir(ui->lineEditIconsPath->text()).absoluteFilePath(format);
if(px.load(iconFile))
return px;
}
if(px.load(QString(":/icons/").append(layoutName.left(2).toLower())))
return px;
}
QImage image(32, 32, QImage::Format_RGBA8888);
auto backcol = ui->lineEditBackgroundColor->text();
image.fill(backcol == "transparent" ? Qt::transparent : QColor(backcol));
QPainter painter(&image);
painter.setPen(QColor(ui->lineEditTextColor->text()));
// fontName, fontSize, fontWeight
auto fontArgs = ui->lineEditFont->text().split(", ");
QFont font(fontArgs.front());
if(1 < fontArgs.size())
font.setPointSize(fontArgs.at(1).toInt());
if(2 < fontArgs.size())
font.setWeight(fontArgs.at(2).toInt());
painter.setFont(font);
painter.drawText(image.rect(), Qt::AlignCenter, layoutName.left(2));
return QPixmap::fromImage(image);
}
void MainSettings::initXkbLayoutIcons(void)
{
ui->systemInfo->setText(QString("xkb info: %1").arg(xcb->getSymbolsLabel()));
layoutIcons.clear();
for(auto & name : xcb->getXkbNames())
layoutIcons << getLayoutIcon(name);
}
/* XcbConnection */
XcbConnection::XcbConnection() :
conn{ xcb_connect(nullptr, nullptr), xcb_disconnect },
xkbctx{ nullptr, xkb_context_unref }, xkbmap{ nullptr, xkb_keymap_unref }, xkbstate{ nullptr, xkb_state_unref },
xkbext(nullptr), root(XCB_WINDOW_NONE), xkbdevid(-1), atomActiveWindow(XCB_ATOM_NONE), atomNetWmName(XCB_ATOM_NONE), atomUtf8String(XCB_ATOM_NONE)
{
if(xcb_connection_has_error(conn.get()))
throw std::runtime_error("xcb_connect");
auto setup = xcb_get_setup(conn.get());
if(! setup)
throw std::runtime_error("xcb_get_setup");
auto screen = xcb_setup_roots_iterator(setup).data;
if(! screen)
throw std::runtime_error("xcb_setup_roots");
root = screen->root;
atomActiveWindow = getAtom("_NET_ACTIVE_WINDOW");
atomNetWmName = getAtom("_NET_WM_NAME");
atomUtf8String = getAtom("UTF8_STRING");
xkbext = xcb_get_extension_data(conn.get(), &xcb_xkb_id);
if(! xkbext)
throw std::runtime_error("xkb_get_extension_data");
auto xcbReply = getReplyFunc2(xcb_xkb_use_extension, conn.get(), XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION);
if(xcbReply.error())
throw std::runtime_error("xcb_xkb_use_extension");
xkbdevid = xkb_x11_get_core_keyboard_device_id(conn.get());
if(xkbdevid < 0)
throw std::runtime_error("xkb_x11_get_core_keyboard_device_id");
xkbctx.reset(xkb_context_new(XKB_CONTEXT_NO_FLAGS));
if(! xkbctx)
throw std::runtime_error("xkb_context_new");
xkbmap.reset(xkb_x11_keymap_new_from_device(xkbctx.get(), conn.get(), xkbdevid, XKB_KEYMAP_COMPILE_NO_FLAGS));
if(!xkbmap)
throw std::runtime_error("xkb_x11_keymap_new_from_device");
xkbstate.reset(xkb_x11_state_new_from_device(xkbmap.get(), conn.get(), xkbdevid));
if(!xkbstate)
throw std::runtime_error("xkb_x11_state_new_from_device");
// XCB_XKB_MAP_PART_KEY_TYPES, XCB_XKB_MAP_PART_KEY_SYMS, XCB_XKB_MAP_PART_MODIFIER_MAP, XCB_XKB_MAP_PART_EXPLICIT_COMPONENTS
// XCB_XKB_MAP_PART_KEY_ACTIONS, XCB_XKB_MAP_PART_VIRTUAL_MODS, XCB_XKB_MAP_PART_VIRTUAL_MOD_MAP
uint16_t required_map_parts = 0;
uint16_t required_events = XCB_XKB_EVENT_TYPE_NEW_KEYBOARD_NOTIFY | XCB_XKB_EVENT_TYPE_MAP_NOTIFY | XCB_XKB_EVENT_TYPE_STATE_NOTIFY;
auto cookie = xcb_xkb_select_events_checked(conn.get(), xkbdevid, required_events, 0, required_events, required_map_parts, required_map_parts, nullptr);
if(GenericError(xcb_request_check(conn.get(), cookie)))
throw std::runtime_error("xcb_xkb_select_events");
const uint32_t values[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
xcb_change_window_attributes(conn.get(), root, XCB_CW_EVENT_MASK, values);
xcb_flush(conn.get());
}
QString XcbConnection::getAtomName(xcb_atom_t atom) const
{
auto xcbReply = getReplyFunc2(xcb_get_atom_name, conn.get(), atom);
if(auto & reply = xcbReply.reply())
{
const char* name = xcb_get_atom_name_name(reply.get());
size_t len = xcb_get_atom_name_name_length(reply.get());
return QString(QByteArray(name, len));
}
return QString("NONE");
}
xcb_atom_t XcbConnection::getAtom(const QString & name, bool create) const
{
auto xcbReply = getReplyFunc2(xcb_intern_atom, conn.get(), create ? 0 : 1, name.length(), name.toStdString().c_str());
if(xcbReply.error())
return XCB_ATOM_NONE;
return xcbReply.reply() ? xcbReply.reply()->atom : XCB_ATOM_NONE;
}
xcb_window_t XcbConnection::getActiveWindow(void) const
{
return getPropertyWindow(root, atomActiveWindow);
}
QString XcbConnection::getSymbolsLabel(void) const
{
auto xcbReply = getReplyFunc2(xcb_xkb_get_names, conn.get(), XCB_XKB_ID_USE_CORE_KBD, XCB_XKB_NAME_DETAIL_GROUP_NAMES | XCB_XKB_NAME_DETAIL_SYMBOLS);
if(xcbReply.error())
throw std::runtime_error("xcb_xkb_get_names");
if(auto & reply = xcbReply.reply())
{
const void *buffer = xcb_xkb_get_names_value_list(reply.get());
xcb_xkb_get_names_value_list_t list;
xcb_xkb_get_names_value_list_unpack(buffer, reply->nTypes, reply->indicators, reply->virtualMods,
reply->groupNames, reply->nKeys, reply->nKeyAliases, reply->nRadioGroups, reply->which, & list);
return getAtomName(list.symbolsName);
}
return nullptr;
}
QStringList XcbConnection::getXkbNames(void) const
{
auto xcbReply = getReplyFunc2(xcb_xkb_get_names, conn.get(), XCB_XKB_ID_USE_CORE_KBD, XCB_XKB_NAME_DETAIL_GROUP_NAMES | XCB_XKB_NAME_DETAIL_SYMBOLS);