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package Dialog;
use strict;
use warnings;
use QtCore4;
use QtGui4;
use QtCore4::isa qw( Qt::Dialog );
use QtCore4::slots
buttonsOrientationChanged => ['int'],
rotateWidgets => [],
help => [];
sub rotableGroupBox() {
return this->{rotableGroupBox};
}
sub rotableWidgets() {
return this->{rotableWidgets};
}
sub optionsGroupBox() {
return this->{optionsGroupBox};
}
sub buttonsOrientationLabel() {
return this->{buttonsOrientationLabel};
}
sub buttonsOrientationComboBox() {
return this->{buttonsOrientationComboBox};
}
sub buttonBox() {
return this->{buttonBox};
}
sub closeButton() {
return this->{closeButton};
}
sub helpButton() {
return this->{helpButton};
}
sub rotateWidgetsButton() {
return this->{rotateWidgetsButton};
}
sub mainLayout() {
return this->{mainLayout};
}
sub rotableLayout() {
return this->{rotableLayout};
}
sub optionsLayout() {
return this->{optionsLayout};
}
sub NEW
{
my ($class, $parent) = @_;
$class->SUPER::NEW($parent);
this->createRotableGroupBox();
this->createOptionsGroupBox();
this->createButtonBox();
this->{mainLayout} = Qt::GridLayout();
this->mainLayout->addWidget(this->rotableGroupBox, 0, 0);
this->mainLayout->addWidget(this->optionsGroupBox, 1, 0);
this->mainLayout->addWidget(this->buttonBox, 2, 0);
this->setLayout(this->mainLayout);
this->mainLayout->setSizeConstraint(Qt::Layout::SetMinimumSize());
this->setWindowTitle(this->tr('Dynamic Layouts'));
}
sub buttonsOrientationChanged
{
my ($index) = @_;
this->mainLayout->setSizeConstraint(Qt::Layout::SetNoConstraint());
this->setMinimumSize(0, 0);
my $orientation = this->buttonsOrientationComboBox->itemData($index)->toInt();
if ($orientation == this->buttonBox->orientation()) {
return;
}
this->mainLayout->removeWidget(this->buttonBox);
my $spacing = this->mainLayout->spacing();
my $oldSizeHint = this->buttonBox->sizeHint() + Qt::Size($spacing, $spacing);
this->buttonBox->setOrientation($orientation);
my $newSizeHint = this->buttonBox->sizeHint() + Qt::Size($spacing, $spacing);
if ($orientation == Qt::Horizontal()) {
this->mainLayout->addWidget(this->buttonBox, 2, 0);
this->resize(this->size() + Qt::Size(-($oldSizeHint->width()), $newSizeHint->height()));
} else {
this->mainLayout->addWidget(this->buttonBox, 0, 3, 2, 1);
this->resize(this->size() + Qt::Size($newSizeHint->width(), -($oldSizeHint->height())));
}
this->mainLayout->setSizeConstraint(Qt::Layout::SetDefaultConstraint());
}
sub rotateWidgets
{
die 'ASSERT: $rotableWidgets->count() % 2 == 0' if !(scalar @{this->rotableWidgets} % 2 == 0);
foreach my $widget ( @{this->rotableWidgets} ) {
this->rotableLayout->removeWidget($widget);
}
push @{this->rotableWidgets}, shift @{this->rotableWidgets};
my $n = scalar @{this->rotableWidgets};
for (my $i = 0; $i < $n / 2; ++$i) {
this->rotableLayout->addWidget(this->rotableWidgets->[$n - $i - 1], 0, $i);
this->rotableLayout->addWidget(this->rotableWidgets->[$i], 1, $i);
}
}
sub help
{
Qt::MessageBox::information(this, this->tr('Dynamic Layouts Help'),
this->tr('This example shows how to change layouts ' .
'dynamically.'));
}
sub createRotableGroupBox
{
this->{rotableGroupBox} = Qt::GroupBox(this->tr('Rotable Widgets'));
this->{rotableWidgets} = [];
push @{this->rotableWidgets}, Qt::SpinBox();
push @{this->rotableWidgets}, Qt::Slider();
push @{this->rotableWidgets}, Qt::Dial();
push @{this->rotableWidgets}, Qt::ProgressBar();
my $n = scalar @{this->rotableWidgets};
for (my $i = 0; $i < $n; ++$i) {
this->connect(this->rotableWidgets->[$i], SIGNAL 'valueChanged(int)',
this->rotableWidgets->[($i + 1) % $n], SLOT 'setValue(int)');
}
this->{rotableLayout} = Qt::GridLayout();
this->rotableGroupBox->setLayout(this->rotableLayout);
this->rotateWidgets();
}
sub createOptionsGroupBox
{
this->{optionsGroupBox} = Qt::GroupBox(this->tr('Options'));
this->{buttonsOrientationLabel} = Qt::Label(this->tr('Orientation of buttons:'));
this->{buttonsOrientationComboBox} = Qt::ComboBox();
this->buttonsOrientationComboBox->addItem(this->tr('Horizontal'), Qt::Variant(Qt::Int(${Qt::Horizontal()})));
this->buttonsOrientationComboBox->addItem(this->tr('Vertical'), Qt::Variant(Qt::Int(${Qt::Vertical()})));
this->connect(this->buttonsOrientationComboBox, SIGNAL 'currentIndexChanged(int)',
this, SLOT 'buttonsOrientationChanged(int)');
this->{optionsLayout} = Qt::GridLayout();
this->optionsLayout->addWidget(this->buttonsOrientationLabel, 0, 0);
this->optionsLayout->addWidget(this->buttonsOrientationComboBox, 0, 1);
this->optionsLayout->setColumnStretch(2, 1);
this->optionsGroupBox->setLayout(this->optionsLayout);
}
sub createButtonBox
{
this->{buttonBox} = Qt::DialogButtonBox();
this->{closeButton} = this->buttonBox->addButton(Qt::DialogButtonBox::Close());
this->{helpButton} = this->buttonBox->addButton(Qt::DialogButtonBox::Help());
this->{rotateWidgetsButton} = this->buttonBox->addButton(this->tr('Rotate &Widgets'),
Qt::DialogButtonBox::ActionRole());
this->connect(this->rotateWidgetsButton, SIGNAL 'clicked()', this, SLOT 'rotateWidgets()');
this->connect(this->closeButton, SIGNAL 'clicked()', this, SLOT 'close()');
this->connect(this->helpButton, SIGNAL 'clicked()', this, SLOT 'help()');
}
1;
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