Blur and noise adjustment layers, Image Trim, Inner Glow (12.8c)

src/UI/TrimSheet.cpp

@@ -0,0 +1,96 @@
+#include "UI/TrimSheet.h"
+#include "UI/KeyboardShortcuts.h"
+#include <QButtonGroup>
+#include <QCheckBox>
+#include <QFrame>
+#include <QGridLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QRadioButton>
+#include <QVBoxLayout>
+#include <algorithm>
+
+namespace {
+QLabel *text(const QString &words, int pixels, QFont::Weight weight, QWidget *parent)
+{
+    auto *label = new QLabel(words, parent);
+    label->setTextFormat(Qt::PlainText);
+    QFont font = label->font();
+    font.setPixelSize(pixels);
+    font.setWeight(weight);
+    label->setFont(font);
+    return label;
+}
+
+QFrame *divider(QWidget *parent)
+{
+    auto *line = new QFrame(parent);
+    line->setFrameShape(QFrame::HLine);
+    line->setForegroundRole(QPalette::Mid);
+    return line;
+}
+}
+
+TrimSheet::TrimSheet(std::function<void(std::optional<TrimOptions>)> finish, QWidget *parent)
+    : QWidget(parent), m_finish(std::move(finish)), m_basedOn(new QButtonGroup(this)), m_ok(new QPushButton(QStringLiteral("OK"), this))
+{
+    setFixedWidth(320);
+    auto *column = new QVBoxLayout(this);
+    column->setContentsMargins(24, 24, 24, 24);
+    column->setSpacing(18);
+    column->addWidget(text(QStringLiteral("Trim"), 17, QFont::Bold, this));
+
+    // Swift's radio group, its label hidden behind the headline.
+    auto *basis = new QVBoxLayout;
+    basis->setSpacing(8);
+    basis->addWidget(text(QStringLiteral("Based On"), 13, QFont::DemiBold, this));
+    for (const TrimBasedOn option : allTrimBasedOn) {
+        auto *radio = new QRadioButton(rawValue(option), this);
+        radio->setObjectName(QStringLiteral("trimBasedOn%1").arg(int(option)));
+        radio->setChecked(option == TrimBasedOn::transparentPixels);
+        m_basedOn->addButton(radio, int(option));
+        basis->addWidget(radio);
+    }
+    column->addLayout(basis);
+    column->addWidget(divider(this));
+
+    auto *away = new QVBoxLayout;
+    away->setSpacing(8);
+    away->addWidget(text(QStringLiteral("Trim Away"), 13, QFont::DemiBold, this));
+    auto *grid = new QGridLayout;
+    grid->setHorizontalSpacing(24);
+    grid->setVerticalSpacing(8);
+    const std::array<QString, 4> names = {QStringLiteral("Top"), QStringLiteral("Bottom"), QStringLiteral("Left"), QStringLiteral("Right")};
+    for (size_t index = 0; index < names.size(); ++index) {
+        m_edges[index] = new QCheckBox(names[index], this);
+        m_edges[index]->setObjectName(QStringLiteral("trim") + names[index]);
+        m_edges[index]->setChecked(true);
+        grid->addWidget(m_edges[index], int(index / 2), int(index % 2));
+        // OK rests while no edge is checked.
+        connect(m_edges[index], &QCheckBox::toggled, this, [this] {
+            m_ok->setEnabled(std::any_of(m_edges.begin(), m_edges.end(), [](const QCheckBox *edge) { return edge->isChecked(); }));
+        });
+    }
+    grid->setColumnStretch(2, 1);
+    away->addLayout(grid);
+    column->addLayout(away);
+    column->addWidget(divider(this));
+
+    auto *cancel = new QPushButton(QStringLiteral("Cancel"), this);
+    cancel->setObjectName(QStringLiteral("trimCancel"));
+    cancel->setAutoDefault(false);
+    connect(cancel, &QPushButton::clicked, this, [this] { m_finish(std::nullopt); });
+    m_ok->setObjectName(QStringLiteral("trimOK"));
+    m_ok->setDefault(true);
+    // Swift's configuredNativeShortcut: Return and Escape, as remapped.
+    NativeShortcut::bind(*this, m_ok, cancel);
+    connect(m_ok, &QPushButton::clicked, this, [this] {
+        m_finish(TrimOptions{.basedOn = TrimBasedOn(m_basedOn->checkedId()), .top = m_edges[0]->isChecked(), .bottom = m_edges[1]->isChecked(),
+                             .left = m_edges[2]->isChecked(), .right = m_edges[3]->isChecked()});
+    });
+    auto *buttons = new QHBoxLayout;
+    buttons->addWidget(cancel);
+    buttons->addStretch(1);
+    buttons->addWidget(m_ok);
+    column->addLayout(buttons);
+}