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package LanguageChooser;
use strict;
use warnings;
use blib;
# Since we lack qHash, use md5
use Digest::MD5 qw(md5_hex);
use QtCore4;
use QtGui4;
use QtCore4::isa qw( Qt::Dialog );
use QtCore4::slots
checkBoxToggled => [],
showAll => [],
hideAll => [];
use MainWindow;
sub groupBox() {
return this->{groupBox};
}
sub buttonBox() {
return this->{buttonBox};
}
sub showAllButton() {
return this->{showAllButton};
}
sub hideAllButton() {
return this->{hideAllButton};
}
sub qmFileForCheckBoxMap() {
return this->{qmFileForCheckBoxMap};
}
sub mainWindowForCheckBoxMap() {
return this->{mainWindowForCheckBoxMap};
}
sub NEW {
my ( $class, $parent ) = @_;
$class->SUPER::NEW( $parent, Qt::WindowStaysOnTopHint());
my $groupBox = Qt::GroupBox('Languages');
this->{groupBox} = $groupBox;
my $groupBoxLayout = Qt::GridLayout();
my $qmFiles = this->findQmFiles();
for (my $i = 0; $i < $#{$qmFiles}; ++$i) {
my $languageName = this->languageName($qmFiles->[$i]);
my $checkBox = Qt::CheckBox( $languageName );
$checkBox->setObjectName( $languageName );
this->{qmFileForCheckBoxMap}->{$languageName} = [$checkBox, $qmFiles->[$i]];
this->connect($checkBox, SIGNAL 'toggled(bool)', this, SLOT 'checkBoxToggled()');
$groupBoxLayout->addWidget($checkBox, $i / 2, $i % 2);
}
$groupBox->setLayout($groupBoxLayout);
my $buttonBox = Qt::DialogButtonBox();
this->{buttonBox} = $buttonBox;
my $showAllButton = buttonBox->addButton('Show All',
Qt::DialogButtonBox::ActionRole());
this->{showAllButton} = $showAllButton;
my $hideAllButton = buttonBox->addButton('Hide All',
Qt::DialogButtonBox::ActionRole());
this->{hideAllButton} = $hideAllButton;
this->connect($showAllButton, SIGNAL 'clicked()', this, SLOT 'showAll()');
this->connect($hideAllButton, SIGNAL 'clicked()', this, SLOT 'hideAll()');
my $mainLayout = Qt::VBoxLayout();
$mainLayout->addWidget($groupBox);
$mainLayout->addWidget($buttonBox);
this->setLayout($mainLayout);
this->setWindowTitle('I18N');
}
sub eventFilter {
my ($object, $event) = @_;
if ($event->type() == Qt::Event::Close()) {
# TODO Write support for qobject_cast
my $window = bless $object, ' MainWindow';
if ($window->inherits( 'QMainWindow' ) ) {
my $checkBox = this->mainWindowForCheckBoxMap->{$window->objectName()}->{checkBox};
if ($checkBox) {
$checkBox->setChecked(0);
}
}
}
return this->SUPER::eventFilter($object, $event);
}
sub closeEvent {
qApp->quit();
}
sub checkBoxToggled {
my $checkBox = this->sender();
if( $checkBox->inherits( 'QCheckBox' ) ) {
$checkBox = bless $checkBox, ' Qt::CheckBox';
}
else {
return;
}
my $window = this->{mainWindowForCheckBoxMap}->{$checkBox->objectName()}->{window};
if (!$window) {
my $translator = Qt::Translator();
$translator->load(this->qmFileForCheckBoxMap->{$checkBox->objectName()}->[1]);
qApp->installTranslator($translator);
$window = MainWindow();
$window->setObjectName( $checkBox->objectName() );
$window->setPalette(Qt::Palette(this->colorForLanguage($checkBox->text())));
$window->installEventFilter(this);
this->mainWindowForCheckBoxMap->{$checkBox->objectName()}->{window} = $window;
this->mainWindowForCheckBoxMap->{$checkBox->objectName()}->{checkBox} = $checkBox;
}
$window->setVisible($checkBox->isChecked());
}
sub showAll {
foreach my $language (keys %{this->qmFileForCheckBoxMap} ) {
my $checkBox = this->qmFileForCheckBoxMap->{$language}->[0];
$checkBox->setChecked(1);
}
}
sub hideAll {
foreach my $language ( keys %{this->qmFileForCheckBoxMap} ) {
my $checkBox = this->qmFileForCheckBoxMap->{$language}->[0];
$checkBox->setChecked(0);
}
}
sub findQmFiles {
my $dir = Qt::Dir('translations');
my $fileNames = $dir->entryList(['*.qm'], Qt::Dir::Files(), Qt::Dir::Name());
return [] unless ref $fileNames eq 'ARRAY';
foreach my $i ( @{$fileNames} ) {
$i = $dir->filePath($i);
}
return $fileNames;
}
sub languageName {
my ($qmFile) = @_;
my $translator = Qt::Translator();
$translator->load($qmFile);
return $translator->translate('MainWindow', 'English');
}
sub colorForLanguage {
my ($language) = @_;
# Since we lack qHash, use md5
utf8::encode($language);
my $hashValue = md5_hex($language);
$hashValue = eval( '0x'.substr( $hashValue, 0, 6 ) );
my $red = 156 + ($hashValue & 0x3F);
my $green = 156 + (($hashValue >> 6) & 0x3F);
my $blue = 156 + (($hashValue >> 12) & 0x3F);
return Qt::Color($red, $green, $blue);
}
1;
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