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package IconPreviewArea;
use strict;
use warnings;
use blib;
use QtCore4;
use QtGui4;
# [0]
use QtCore4::isa qw( Qt::Widget );
use constant { NumModes => 4, NumStates => 2 };
sub icon() {
return this->{icon};
}
sub size() {
return this->{size};
}
sub stateLabels() {
return this->{stateLabels};
}
sub setStateLabels($) {
return this->{stateLabels} = shift;
}
sub modeLabels() {
return this->{modeLabels};
}
sub setModeLabels($) {
return this->{modeLabels} = shift;
}
sub pixmapLabels() {
return this->{pixmapLabels};
}
sub setPixmapLabels($) {
return this->{pixmapLabels} = shift;
}
# [0]
# [0]
sub NEW {
my ( $class, $parent ) = @_;
$class->SUPER::NEW( $parent );
my $mainLayout = Qt::GridLayout();
this->setLayout($mainLayout);
this->setStateLabels( [] );
this->stateLabels->[0] = this->createHeaderLabel(this->tr('Off'));
this->stateLabels->[1] = this->createHeaderLabel(this->tr('On'));
this->setModeLabels( [] );
this->modeLabels->[0] = this->createHeaderLabel(this->tr('Normal'));
this->modeLabels->[1] = this->createHeaderLabel(this->tr('Active'));
this->modeLabels->[2] = this->createHeaderLabel(this->tr('Disabled'));
this->modeLabels->[3] = this->createHeaderLabel(this->tr('Selected'));
for (my $j = 0; $j < NumStates; ++$j) {
$mainLayout->addWidget(this->stateLabels->[$j], $j + 1, 0);
}
this->setPixmapLabels( [] );
for (my $i = 0; $i < NumModes; ++$i) {
$mainLayout->addWidget(this->modeLabels->[$i], 0, $i + 1);
for (my $j = 0; $j < NumStates; ++$j) {
this->pixmapLabels->[$i]->[$j] = this->createPixmapLabel();
$mainLayout->addWidget(this->pixmapLabels->[$i]->[$j], $j + 1, $i + 1);
}
}
this->{size} = Qt::Size();
}
# [0]
# [1]
sub setIcon {
my ($icon) = @_;
this->{icon} = $icon;
this->updatePixmapLabels();
}
# [1]
# [2]
sub setSize {
my ($size) = @_;
if ($size != this->size) {
this->{size} = $size;
this->updatePixmapLabels();
}
}
# [2]
# [3]
sub createHeaderLabel {
my ($text) = @_;
my $label = Qt::Label(sprintf this->tr('<b>%s</b>'), $text);
$label->setAlignment(Qt::AlignCenter());
return $label;
}
# [3]
# [4]
sub createPixmapLabel {
my $label = Qt::Label();
$label->setEnabled(0);
$label->setAlignment(Qt::AlignCenter());
$label->setFrameShape(Qt::Frame::Box());
$label->setSizePolicy(Qt::SizePolicy::Expanding(), Qt::SizePolicy::Expanding());
$label->setBackgroundRole(Qt::Palette::Base());
$label->setAutoFillBackground(1);
$label->setMinimumSize(132, 132);
return $label;
}
# [4]
# [5]
sub updatePixmapLabels {
for (my $i = 0; $i < NumModes; ++$i) {
my $mode;
if ($i == 0) {
$mode = Qt::Icon::Normal();
} elsif ($i == 1) {
$mode = Qt::Icon::Active();
} elsif ($i == 2) {
$mode = Qt::Icon::Disabled();
} else {
$mode = Qt::Icon::Selected();
}
for (my $j = 0; $j < NumStates; ++$j) {
my $state = ($j == 0) ? Qt::Icon::Off() : Qt::Icon::On();
my $icon = this->icon;
if ( $icon ) {
my $pixmap = $icon->pixmap(this->size, $mode, $state);
this->pixmapLabels->[$i]->[$j]->setPixmap($pixmap);
this->pixmapLabels->[$i]->[$j]->setEnabled(!$pixmap->isNull());
}
}
}
}
# [5]
1;
|
