OmaPhoto 1.0.0: the Linux port of Compositor
A layered image editor for Linux and Omarchy, ported from Compositor (github.com/robbietilton/Compositor), whose Swift source is its specification. It reads and writes Compositor's .comp projects. Packages for Ubuntu, Fedora and Arch come from the release workflow; scripts/install/ holds one install script per distribution family, and flake.nix serves NixOS. Co-Authored-By: Claude <noreply@anthropic.com>
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#include "UI/LayersPanel.h"
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#include "UI/LayerAppearanceControls.h"
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#include "UI/LayerIcons.h"
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#include "UI/LayerMaskMenu.h"
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#include "UI/NativeLayerList.h"
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#include <QEvent>
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#include <QFrame>
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#include <QHBoxLayout>
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#include <QMenu>
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#include <QVBoxLayout>
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namespace {
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QFrame *divider(QWidget *parent)
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{
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auto *line = new QFrame(parent);
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line->setFrameShape(QFrame::HLine);
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line->setFrameShadow(QFrame::Plain);
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line->setForegroundRole(QPalette::Mid);
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return line;
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}
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QLabel *text(const QString &words, int pixels, QFont::Weight weight, QWidget *parent)
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{
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auto *label = new QLabel(words, parent);
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QFont font = label->font();
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font.setPixelSize(pixels);
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font.setWeight(weight);
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label->setFont(font);
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return label;
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}
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}
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LayersPanel::LayersPanel(EditorSession &session, QWidget *parent)
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: QWidget(parent), m_session(session), m_count(text(QStringLiteral("0"), 11, QFont::Normal, this)), m_body(new QStackedWidget(this)),
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m_list(new NativeLayerList(session, this)), m_emptyHint(text(QString(), 11, QFont::Normal, this))
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{
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setObjectName(QStringLiteral("layersPanel"));
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auto *column = new QVBoxLayout(this);
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column->setContentsMargins(0, 0, 0, 0);
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column->setSpacing(0);
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auto *heading = new QHBoxLayout;
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heading->setContentsMargins(18, 18, 18, 18);
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heading->addWidget(text(QStringLiteral("Layers"), 12, QFont::DemiBold, this));
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heading->addStretch(1);
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m_count->setObjectName(QStringLiteral("layerCount"));
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m_count->setForegroundRole(QPalette::PlaceholderText);
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heading->addWidget(m_count);
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column->addLayout(heading);
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column->addWidget(divider(this));
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column->addWidget(new LayerAppearanceControls(session, this));
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column->addWidget(divider(this));
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// The rows, or the words for none: create, import, add.
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auto *empty = new QWidget(this);
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auto *emptyColumn = new QVBoxLayout(empty);
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emptyColumn->setContentsMargins(16, 16, 16, 16);
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emptyColumn->setSpacing(10);
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emptyColumn->addStretch(1);
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m_emptyIcon = new QLabel(empty);
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m_emptyIcon->setAlignment(Qt::AlignCenter);
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emptyColumn->addWidget(m_emptyIcon);
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auto *title = text(QStringLiteral("No layers yet"), 13, QFont::Medium, empty);
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title->setAlignment(Qt::AlignCenter);
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title->setForegroundRole(QPalette::PlaceholderText);
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emptyColumn->addWidget(title);
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m_emptyHint->setObjectName(QStringLiteral("noLayersHint"));
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m_emptyHint->setAlignment(Qt::AlignCenter);
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m_emptyHint->setWordWrap(true);
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m_emptyHint->setForegroundRole(QPalette::PlaceholderText);
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emptyColumn->addWidget(m_emptyHint);
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emptyColumn->addStretch(1);
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m_body->setObjectName(QStringLiteral("layersBody"));
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m_body->addWidget(m_list);
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m_body->addWidget(empty);
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column->addWidget(m_body, 1);
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column->addWidget(divider(this));
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// Swift spaces the icons sixteen points apart.
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auto *footer = new QHBoxLayout;
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footer->setContentsMargins(8, 4, 8, 4);
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footer->setSpacing(0);
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m_addBlankLayer = footerButton(QStringLiteral("addBlankLayer"), QStringLiteral("New blank layer"), QStringLiteral("New blank layer (Ctrl+Shift+N)"), [this] { m_session.addBlankLayer(); });
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footer->addWidget(m_addBlankLayer);
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m_group = footerButton(QStringLiteral("groupLayers"), QStringLiteral("New folder"), QStringLiteral("Group selected layers (Ctrl+G)"), [this] { m_session.groupSelectedLayers(); });
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footer->addWidget(m_group);
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footer->addWidget(new LayerMaskMenu(session, this));
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// Presses open these menus; a click adds nothing.
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m_effects = footerButton(QStringLiteral("layerEffects"), QStringLiteral("Layer effects"), QStringLiteral("Layer effects: stroke and drop shadow"), [] {});
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auto *effects = new QMenu(m_effects);
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for (const LayerEffectKind kind : allLayerEffectKinds)
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effects->addAction(rawValue(kind) + QStringLiteral("…"), this, [this, kind] { m_session.addEffect(kind); });
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m_effects->setMenu(effects);
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m_effects->setPopupMode(QToolButton::InstantPopup);
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footer->addWidget(m_effects);
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m_adjustments = footerButton(QStringLiteral("addAdjustment"), QStringLiteral("New adjustment layer"), QStringLiteral("New adjustment layer"), [] {});
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auto *kinds = new QMenu(m_adjustments);
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for (const AdjustmentKind kind : allAdjustmentKinds)
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kinds->addAction(rawValue(kind), this, [this, kind] { m_session.addAdjustment(kind); });
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m_adjustments->setMenu(kinds);
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m_adjustments->setPopupMode(QToolButton::InstantPopup);
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footer->addWidget(m_adjustments);
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footer->addStretch(1);
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m_delete = footerButton(QStringLiteral("deleteLayer"), QStringLiteral("Delete selected layer"), QStringLiteral("Delete selected layer"),
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[this] { m_session.deleteLayerOrMask(); });
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footer->addWidget(m_delete);
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column->addLayout(footer);
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applyIcons();
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connect(&m_session, &EditorSession::changed, this, &LayersPanel::synchronize);
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synchronize();
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}
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// The icons take the palette's ink, again after each theme.
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void LayersPanel::applyIcons()
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{
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const QColor ink = palette().color(QPalette::PlaceholderText);
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m_emptyIcon->setPixmap(LayerIcons::pixmap(LayerIcon::layers, 25, ink, devicePixelRatio()));
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m_addBlankLayer->setIcon(LayerIcons::pixmap(LayerIcon::newLayer, 16, ink, devicePixelRatio()));
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m_group->setIcon(LayerIcons::pixmap(LayerIcon::newFolder, 16, ink, devicePixelRatio()));
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m_effects->setIcon(LayerIcons::pixmap(LayerIcon::sparkles, 16, ink, devicePixelRatio()));
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m_adjustments->setIcon(LayerIcons::pixmap(LayerIcon::halfFilledCircle, 16, ink, devicePixelRatio()));
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m_delete->setIcon(LayerIcons::pixmap(LayerIcon::trash, 16, ink, devicePixelRatio()));
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}
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void LayersPanel::changeEvent(QEvent *event)
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{
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QWidget::changeEvent(event);
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if (event->type() == QEvent::PaletteChange)
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applyIcons();
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}
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QToolButton *LayersPanel::footerButton(const QString &name, const QString &label, const QString &tip, const std::function<void()> &run)
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{
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auto *button = new QToolButton(this);
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button->setObjectName(name);
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button->setAccessibleName(label);
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button->setToolTip(tip);
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button->setAutoRaise(true);
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button->setFixedSize(32, 40);
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connect(button, &QToolButton::clicked, this, run);
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return button;
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}
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void LayersPanel::synchronize()
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{
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const std::optional<CanvasDocument> &document = m_session.document();
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const size_t count = document ? document->layers.size() : 0;
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m_count->setText(QString::number(count));
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m_body->setCurrentIndex(count > 0 ? 0 : 1);
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m_emptyHint->setText(document ? QStringLiteral("Import an image or add a blank layer.") : QStringLiteral("Create a canvas or import an image."));
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m_addBlankLayer->setEnabled(m_session.canEditLayers());
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m_group->setEnabled(m_session.canEditLayers());
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m_effects->setEnabled(m_session.canEditEffects());
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m_adjustments->setEnabled(m_session.canEditLayers());
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const bool mask = m_session.isMaskSelected(), several = m_session.selectedLayerIDs().size() > 1;
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const QString what = m_session.selectedEffect() ? QStringLiteral("Delete selected effect")
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: mask ? QStringLiteral("Delete layer mask")
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: several ? QStringLiteral("Delete selected layers")
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: QStringLiteral("Delete selected layer");
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m_delete->setToolTip(what);
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m_delete->setAccessibleName(what);
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m_delete->setEnabled(m_session.canEditLayers() && m_session.activeLayer().has_value());
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// Swift's .task(id:): a new request begins its editor.
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if (m_session.adjustmentEditingID() != m_adjustmentTask) {
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m_adjustmentTask = m_session.adjustmentEditingID();
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if (m_adjustmentTask)
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m_session.beginAdjustmentEditing(*m_adjustmentTask);
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}
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}
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