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-rw-r--r--src/selectionmode/actionwithwidget.cpp76
-rw-r--r--src/selectionmode/actionwithwidget.h86
-rw-r--r--src/selectionmode/backgroundcolorhelper.cpp90
-rw-r--r--src/selectionmode/backgroundcolorhelper.h45
-rw-r--r--src/selectionmode/selectionmodebottombar.cpp705
-rw-r--r--src/selectionmode/selectionmodebottombar.h181
-rw-r--r--src/selectionmode/selectionmodetopbar.cpp131
-rw-r--r--src/selectionmode/selectionmodetopbar.h66
-rw-r--r--src/selectionmode/singleclickselectionproxystyle.h29
9 files changed, 1409 insertions, 0 deletions
diff --git a/src/selectionmode/actionwithwidget.cpp b/src/selectionmode/actionwithwidget.cpp
new file mode 100644
index 000000000..8e82a37bf
--- /dev/null
+++ b/src/selectionmode/actionwithwidget.cpp
@@ -0,0 +1,76 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#include "actionwithwidget.h"
+
+#include <QAbstractButton>
+#include <QFrame>
+#include <QPushButton>
+#include <QToolButton>
+
+ActionWithWidget::ActionWithWidget(QAction *action) :
+ m_action{action}
+{ }
+
+ActionWithWidget::ActionWithWidget(QAction *action, QAbstractButton *button) :
+ m_action{action},
+ m_widget{button}
+{
+ copyActionDataToButton(button, action);
+}
+
+QWidget *ActionWithWidget::newWidget(QWidget *parent)
+{
+ Q_CHECK_PTR(m_action);
+ Q_ASSERT(!m_widget);
+
+ if (m_action->isSeparator()) {
+ auto line = new QFrame(parent);
+ line->setFrameShape(QFrame::VLine);
+ line->setFrameShadow(QFrame::Sunken);
+
+ m_widget = line;
+ } else {
+ m_widget = newButtonForAction(m_action, parent);
+ }
+ return m_widget;
+}
+
+QAbstractButton *newButtonForAction(QAction *action, QWidget *parent)
+{
+ Q_CHECK_PTR(action);
+ Q_ASSERT(!action->isSeparator());
+
+ if (action->priority() == QAction::LowPriority) {
+ // We don't want the low priority actions to be displayed icon-only so we need trickery.
+ auto button = new QPushButton(parent);
+ copyActionDataToButton(static_cast<QAbstractButton *>(button), action);
+ button->setMinimumWidth(0);
+ return button;
+ }
+
+ auto *toolButton = new QToolButton(parent);
+ toolButton->setToolButtonStyle(Qt::ToolButtonStyle::ToolButtonTextBesideIcon);
+ toolButton->setDefaultAction(action);
+ toolButton->setPopupMode(QToolButton::ToolButtonPopupMode::InstantPopup);
+ toolButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+ toolButton->setMinimumWidth(0);
+ return toolButton;
+}
+
+void copyActionDataToButton(QAbstractButton *button, QAction *action)
+{
+ button->setText(action->text());
+ button->setIcon(action->icon());
+ button->setToolTip(action->toolTip());
+ button->setWhatsThis(action->whatsThis());
+
+ button->setVisible(action->isVisible());
+ button->setEnabled(action->isEnabled());
+
+ QObject::connect(button, &QAbstractButton::clicked, action, &QAction::trigger);
+}
diff --git a/src/selectionmode/actionwithwidget.h b/src/selectionmode/actionwithwidget.h
new file mode 100644
index 000000000..722fdf284
--- /dev/null
+++ b/src/selectionmode/actionwithwidget.h
@@ -0,0 +1,86 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef ACTIONWITHWIDGET_H
+#define ACTIONWITHWIDGET_H
+
+#include <QAction>
+#include <QPointer>
+#include <QWidget>
+
+class QAbstractButton;
+
+/**
+ * @brief Small wrapper/helper class that contains an action and its widget.
+ *
+ * This class takes neither the responsibility for deleting its action() nor its widget().
+ */
+class ActionWithWidget
+{
+public:
+ ActionWithWidget(QAction *action);
+
+ /**
+ * Connect @p action and @p button using copyActionDataToButton() and the
+ * wraps the two together in the ActionWithWidget object.
+ * ActionWithWidget doesn't take any ownership.
+ *
+ * @see copyActionDataToButton()
+ *
+ * @param button the button to be styled and used to fit the @p action.
+ */
+ ActionWithWidget(QAction *action, QAbstractButton *button);
+
+ /** @returns the action of this object. Crashes if that action has been deleted elsewhere in the meantime. */
+ inline QAction *action() {
+ Q_CHECK_PTR(m_action);
+ return m_action;
+ };
+
+ /** @returns the widget of this object. */
+ inline QWidget *widget() {
+ return m_widget;
+ }
+
+ /**
+ * @returns a widget with parent @p parent for the action() of this object.
+ *
+ * For most actions some sort of button will be returned. For separators a vertical line will be returned.
+ * If this ActionWithWidget already has a widget(), this method will crash.
+ */
+ QWidget *newWidget(QWidget *parent);
+
+ /** returns true if the widget exists and is visible. false otherwise. */
+ inline bool isWidgetVisible() const {
+ return m_widget && m_widget->isVisible();
+ };
+
+private:
+ QPointer<QAction> m_action;
+ QPointer<QWidget> m_widget;
+};
+
+/**
+ * A small helper method.
+ * @return a button with the correct styling for the general mode of the SelectionModeBottomBar which can be added to its layout.
+ */
+QAbstractButton *newButtonForAction(QAction *action, QWidget *parent);
+
+/**
+ * Normally, if one wants a button that represents a QAction one would use a QToolButton
+ * and simply call QToolButton::setDefaultAction(action). However if one does this, all
+ * control over the style, text, etc. of the button is forfeited. One can't for example
+ * have text on the button then, if the action has a low QAction::priority().
+ *
+ * This method styles the @p button based on the @p action without using QToolButton::setDefaultAction().
+ *
+ * Another reason why this is necessary is because the actions have application-wide scope while
+ * these buttons belong to one ViewContainer.
+ */
+void copyActionDataToButton(QAbstractButton *button, QAction *action);
+
+#endif // ACTIONWITHWIDGET_H
diff --git a/src/selectionmode/backgroundcolorhelper.cpp b/src/selectionmode/backgroundcolorhelper.cpp
new file mode 100644
index 000000000..8a7d69758
--- /dev/null
+++ b/src/selectionmode/backgroundcolorhelper.cpp
@@ -0,0 +1,90 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#include "backgroundcolorhelper.h"
+
+#include <KColorScheme>
+
+#include <QGuiApplication>
+#include <QPalette>
+#include <QtGlobal>
+#include <QWidget>
+
+BackgroundColorHelper *BackgroundColorHelper::instance()
+{
+ if (!s_instance) {
+ s_instance = new BackgroundColorHelper;
+ }
+ return s_instance;
+}
+
+
+void setBackgroundColorForWidget(QWidget *widget, QColor color)
+{
+ QPalette palette;
+ palette.setBrush(QPalette::Active, QPalette::Window, color);
+ palette.setBrush(QPalette::Inactive, QPalette::Window, color);
+ palette.setBrush(QPalette::Disabled, QPalette::Window, color);
+ widget->setAutoFillBackground(true);
+ widget->setPalette(palette);
+}
+
+void BackgroundColorHelper::controlBackgroundColor(QWidget *widget)
+{
+ setBackgroundColorForWidget(widget, m_backgroundColor);
+
+ Q_ASSERT_X(std::find(m_colorControlledWidgets.begin(), m_colorControlledWidgets.end(), widget) == m_colorControlledWidgets.end(), "controlBackgroundColor",
+ "Duplicate insertion is not necessary because the background color should already automatically update itself on paletteChanged");
+ m_colorControlledWidgets.emplace_back(widget);
+}
+
+BackgroundColorHelper::BackgroundColorHelper()
+{
+ updateBackgroundColor();
+ QObject::connect(qApp, &QGuiApplication::paletteChanged, [=](){ slotPaletteChanged(); });
+}
+
+void BackgroundColorHelper::slotPaletteChanged()
+{
+ updateBackgroundColor();
+ for (auto i = m_colorControlledWidgets.begin(); i != m_colorControlledWidgets.end(); ++i) {
+ if (!*i) {
+ i = m_colorControlledWidgets.erase(i);
+ continue;
+ }
+ setBackgroundColorForWidget(*i, m_backgroundColor);
+ }
+}
+
+void BackgroundColorHelper::updateBackgroundColor()
+{
+ // We use colors from the color scheme for mixing so it fits the theme.
+ const auto colorScheme = KColorScheme(QPalette::Normal, KColorScheme::Window);
+ const auto activeBackgroundColor = colorScheme.background(KColorScheme::BackgroundRole::ActiveBackground).color();
+ // We use the positive color for mixing so the end product doesn't look like a warning or error.
+ const auto positiveBackgroundColor = colorScheme.background(KColorScheme::BackgroundRole::PositiveBackground).color();
+
+ // Make sure the new background color has a meaningfully different hue than the activeBackgroundColor.
+ const int hueDifference = positiveBackgroundColor.hue() - activeBackgroundColor.hue();
+ int newHue;
+ if (std::abs(hueDifference) > 80) {
+ newHue = (activeBackgroundColor.hue() + positiveBackgroundColor.hue()) / 2;
+ } else {
+ newHue = hueDifference > 0 ?
+ activeBackgroundColor.hue() + 40 :
+ activeBackgroundColor.hue() - 40;
+ newHue %= 360; // hue needs to be between 0 and 359 per Qt documentation.
+ }
+
+ m_backgroundColor = QColor::fromHsv(newHue,
+ // Saturation should be closer to the active color because otherwise the selection mode color might overpower it.
+ .7 * activeBackgroundColor.saturation() + .3 * positiveBackgroundColor.saturation(),
+ (activeBackgroundColor.value() + positiveBackgroundColor.value()) / 2,
+ (activeBackgroundColor.alpha() + positiveBackgroundColor.alpha()) / 2);
+}
+
+BackgroundColorHelper *BackgroundColorHelper::s_instance = nullptr;
diff --git a/src/selectionmode/backgroundcolorhelper.h b/src/selectionmode/backgroundcolorhelper.h
new file mode 100644
index 000000000..0e8a61b34
--- /dev/null
+++ b/src/selectionmode/backgroundcolorhelper.h
@@ -0,0 +1,45 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef BACKGROUNDCOLORHELPER_H
+#define BACKGROUNDCOLORHELPER_H
+
+#include <QColor>
+#include <QPointer>
+
+#include <memory>
+
+class QWidget;
+
+/**
+ * @brief A Singleton class for managing the colors of selection mode widgets.
+ */
+class BackgroundColorHelper
+{
+public:
+ static BackgroundColorHelper *instance();
+
+ /**
+ * Changes the background color of @p widget to a distinct color scheme matching color which makes it clear that the widget belongs to the selection mode.
+ */
+ void controlBackgroundColor(QWidget *widget);
+
+private:
+ BackgroundColorHelper();
+
+ void slotPaletteChanged();
+
+ void updateBackgroundColor();
+
+private:
+ std::vector<QPointer<QWidget>> m_colorControlledWidgets;
+ QColor m_backgroundColor;
+
+ static BackgroundColorHelper *s_instance;
+};
+
+#endif // BACKGROUNDCOLORHELPER_H
diff --git a/src/selectionmode/selectionmodebottombar.cpp b/src/selectionmode/selectionmodebottombar.cpp
new file mode 100644
index 000000000..5bf19295a
--- /dev/null
+++ b/src/selectionmode/selectionmodebottombar.cpp
@@ -0,0 +1,705 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#include "selectionmodebottombar.h"
+
+#include "backgroundcolorhelper.h"
+#include "dolphin_generalsettings.h"
+#include "dolphincontextmenu.h"
+#include "dolphinmainwindow.h"
+#include "dolphinremoveaction.h"
+#include "global.h"
+#include "kitemviews/kfileitemlisttostring.h"
+
+#include <KActionCollection>
+#include <KColorScheme>
+#include <KFileItem>
+#include <KFileItemListProperties>
+#include <KLocalizedString>
+#include <KStandardAction>
+
+#include <QFontMetrics>
+#include <QGuiApplication>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QLayout>
+#include <QMenu>
+#include <QPushButton>
+#include <QResizeEvent>
+#include <QScrollArea>
+#include <QStyle>
+#include <QToolButton>
+#include <QtGlobal>
+#include <QVBoxLayout>
+
+#include <unordered_set>
+#include <iostream>
+SelectionModeBottomBar::SelectionModeBottomBar(KActionCollection *actionCollection, QWidget *parent) :
+ QWidget{parent},
+ m_actionCollection{actionCollection}
+{
+ // Showing of this widget is normally animated. We hide it for now and make it small.
+ hide();
+ setMaximumHeight(0);
+
+ setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
+ setMinimumWidth(0);
+
+ auto fillParentLayout = new QGridLayout(this);
+ fillParentLayout->setContentsMargins(0, 0, 0, 0);
+
+ // Put the contents into a QScrollArea. This prevents increasing the view width
+ // in case that not enough width for the contents is available. (this trick is also used in dolphinsearchbox.cpp.)
+ auto scrollArea = new QScrollArea(this);
+ fillParentLayout->addWidget(scrollArea);
+ scrollArea->setFrameShape(QFrame::NoFrame);
+ scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ scrollArea->setWidgetResizable(true);
+
+ auto contentsContainer = new QWidget(scrollArea);
+ scrollArea->setWidget(contentsContainer);
+ contentsContainer->installEventFilter(this); // Adjusts the height of this bar to the height of the contentsContainer
+
+ BackgroundColorHelper::instance()->controlBackgroundColor(this);
+
+ // We will mostly interact with m_layout when changing the contents and not care about the other internal hierarchy.
+ m_layout = new QHBoxLayout(contentsContainer);
+}
+
+void SelectionModeBottomBar::setVisible(bool visible, Animated animated)
+{
+ Q_ASSERT_X(animated == WithAnimation, "SelectionModeBottomBar::setVisible", "This wasn't implemented.");
+
+ if (!visible && m_contents == PasteContents) {
+ return; // The bar with PasteContents should not be hidden or users might not know how to paste what they just copied.
+ // Set m_contents to anything else to circumvent this prevention mechanism.
+ }
+
+ if (!m_heightAnimation) {
+ m_heightAnimation = new QPropertyAnimation(this, "maximumHeight");
+ }
+ disconnect(m_heightAnimation, &QAbstractAnimation::finished,
+ this, nullptr);
+ m_heightAnimation->setDuration(2 *
+ style()->styleHint(QStyle::SH_Widget_Animation_Duration, nullptr, this) *
+ GlobalConfig::animationDurationFactor());
+
+ if (visible) {
+ show();
+ m_heightAnimation->setStartValue(0);
+ m_heightAnimation->setEndValue(sizeHint().height());
+ m_heightAnimation->setEasingCurve(QEasingCurve::OutCubic);
+ connect(m_heightAnimation, &QAbstractAnimation::finished,
+ this, [this](){ setMaximumHeight(sizeHint().height()); });
+ } else {
+ m_heightAnimation->setStartValue(height());
+ m_heightAnimation->setEndValue(0);
+ m_heightAnimation->setEasingCurve(QEasingCurve::OutCubic);
+ connect(m_heightAnimation, &QAbstractAnimation::finished,
+ this, &QWidget::hide);
+ }
+
+ m_heightAnimation->start();
+}
+
+QSize SelectionModeBottomBar::sizeHint() const
+{
+ // 1 as width because this widget should never be the reason the DolphinViewContainer is made wider.
+ return QSize{1, m_layout->parentWidget()->sizeHint().height()};
+}
+
+void SelectionModeBottomBar::slotSelectionChanged(const KFileItemList &selection, const QUrl &baseUrl)
+{
+ if (m_contents == GeneralContents) {
+ auto contextActions = contextActionsFor(selection, baseUrl);
+ m_generalBarActions.clear();
+ for (auto i = contextActions.begin(); i != contextActions.end(); ++i) {
+ m_generalBarActions.emplace_back(ActionWithWidget{*i});
+ }
+ resetContents(GeneralContents);
+ }
+ updateMainActionButton(selection);
+}
+
+void SelectionModeBottomBar::slotSplitTabDisabled()
+{
+ switch (m_contents) {
+ case CopyToOtherViewContents:
+ case MoveToOtherViewContents:
+ Q_EMIT leaveSelectionModeRequested();
+ default:
+ return;
+ }
+}
+
+void SelectionModeBottomBar::resetContents(SelectionModeBottomBar::Contents contents)
+{
+ emptyBarContents();
+
+ // A label is added in many of the methods below. We only know its size a bit later and if it should be hidden.
+ QTimer::singleShot(10, this, [this](){ updateExplanatoryLabelVisibility(); });
+
+ Q_CHECK_PTR(m_actionCollection);
+ m_contents = contents;
+ switch (contents) {
+ case CopyContents:
+ return addCopyContents();
+ case CopyLocationContents:
+ return addCopyLocationContents();
+ case CopyToOtherViewContents:
+ return addCopyToOtherViewContents();
+ case CutContents:
+ return addCutContents();
+ case DeleteContents:
+ return addDeleteContents();
+ case DuplicateContents:
+ return addDuplicateContents();
+ case GeneralContents:
+ return addGeneralContents();
+ case PasteContents:
+ return addPasteContents();
+ case MoveToOtherViewContents:
+ return addMoveToOtherViewContents();
+ case MoveToTrashContents:
+ return addMoveToTrashContents();
+ case RenameContents:
+ return addRenameContents();
+ }
+}
+
+bool SelectionModeBottomBar::eventFilter(QObject *watched, QEvent *event)
+{
+ Q_ASSERT(qobject_cast<QWidget *>(watched)); // This evenfFilter is only implemented for QWidgets.
+
+ switch (event->type()) {
+ case QEvent::ChildAdded:
+ case QEvent::ChildRemoved:
+ QTimer::singleShot(0, this, [this](){ setMaximumHeight(sizeHint().height()); });
+ // Fall through.
+ default:
+ return false;
+ }
+}
+
+void SelectionModeBottomBar::resizeEvent(QResizeEvent *resizeEvent)
+{
+ if (resizeEvent->oldSize().width() == resizeEvent->size().width()) {
+ // The width() didn't change so our custom override isn't needed.
+ return QWidget::resizeEvent(resizeEvent);
+ }
+ m_layout->parentWidget()->setFixedWidth(resizeEvent->size().width());
+
+ if (m_contents == GeneralContents) {
+ Q_ASSERT(m_overflowButton);
+ if (unusedSpace() < 0) {
+ // The bottom bar is overflowing! We need to hide some of the widgets.
+ for (auto i = m_generalBarActions.rbegin(); i != m_generalBarActions.rend(); ++i) {
+ if (!i->isWidgetVisible()) {
+ continue;
+ }
+ i->widget()->setVisible(false);
+
+ // Add the action to the overflow.
+ std::cout << "An Action is added to the m_overflowButton because of a resize: " << qPrintable(i->action()->text()) << "\n";
+ auto overflowMenu = m_overflowButton->menu();
+ if (overflowMenu->actions().isEmpty()) {
+ overflowMenu->addAction(i->action());
+ } else {
+ overflowMenu->insertAction(overflowMenu->actions().at(0), i->action());
+ }
+ std::cout << "The number of actions in the menu is now " << m_overflowButton->menu()->actions().count() << "\n.";
+ m_overflowButton->setVisible(true);
+ if (unusedSpace() >= 0) {
+ break; // All widgets fit now.
+ }
+ }
+ } else {
+ // We have some unusedSpace(). Let's check if we can maybe add more of the contextual action's widgets.
+ for (auto i = m_generalBarActions.begin(); i != m_generalBarActions.end(); ++i) {
+ if (i->isWidgetVisible()) {
+ continue;
+ }
+ if (!i->widget()) {
+ i->newWidget(this);
+ i->widget()->setVisible(false);
+ m_layout->insertWidget(m_layout->count() - 1, i->widget()); // Insert before m_overflowButton
+ }
+ if (unusedSpace() < i->widget()->sizeHint().width()) {
+ // It doesn't fit. We keep it invisible.
+ break;
+ }
+ i->widget()->setVisible(true);
+
+ // Remove the action from the overflow.
+ std::cout << "An Action is removed from the m_overflowButton because of a resize: " << qPrintable(i->action()->text()) << "\n";
+ auto overflowMenu = m_overflowButton->menu();
+ overflowMenu->removeAction(i->action());
+ std::cout << "The number of actions in the menu is now " << m_overflowButton->menu()->actions().count() << "\n.";
+ if (overflowMenu->isEmpty()) {
+ m_overflowButton->setVisible(false);
+ }
+ }
+ }
+ }
+
+ // Hide the leading explanation if it doesn't fit. The buttons are labeled clear enough that this shouldn't be a big UX problem.
+ updateExplanatoryLabelVisibility();
+ return QWidget::resizeEvent(resizeEvent);
+}
+
+void SelectionModeBottomBar::addCopyContents()
+{
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select the files and folders that should be copied."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to copy files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort Copying"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *copyButton = new QPushButton(this);
+ // We claim to have PasteContents already so triggering the copy action next won't instantly hide the bottom bar.
+ connect(copyButton, &QAbstractButton::clicked, [this]() {
+ if (GeneralSettings::showPasteBarAfterCopying()) {
+ m_contents = Contents::PasteContents;
+ }
+ });
+ // Connect the copy action as a second step.
+ m_mainAction = ActionWithWidget(m_actionCollection->action(KStandardAction::name(KStandardAction::Copy)), copyButton);
+ // Finally connect the lambda that actually changes the contents to the PasteContents.
+ connect(copyButton, &QAbstractButton::clicked, [this]() {
+ if (GeneralSettings::showPasteBarAfterCopying()) {
+ resetContents(Contents::PasteContents); // resetContents() needs to be connected last because
+ // it instantly deletes the button and then the other slots won't be called.
+ }
+ Q_EMIT leaveSelectionModeRequested();
+ });
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(copyButton);
+}
+
+void SelectionModeBottomBar::addCopyLocationContents()
+{
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select one file or folder whose location should be copied."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to copy the location of files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort Copying"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *copyLocationButton = new QPushButton(this);
+ m_mainAction = ActionWithWidget(m_actionCollection->action(QStringLiteral("copy_location")), copyLocationButton);
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(copyLocationButton);
+}
+
+void SelectionModeBottomBar::addCopyToOtherViewContents()
+{
+ // i18n: "Copy over" refers to copying to the other split view area that is currently visible to the user.
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select the files and folders that should be copied over."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to copy the location of files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort Copying"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *copyToOtherViewButton = new QPushButton(this);
+ m_mainAction = ActionWithWidget(m_actionCollection->action(QStringLiteral("copy_to_inactive_split_view")), copyToOtherViewButton);
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(copyToOtherViewButton);
+}
+
+void SelectionModeBottomBar::addCutContents()
+{
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select the files and folders that should be cut."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to cut files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort Cutting"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *cutButton = new QPushButton(this);
+ // We claim to have PasteContents already so triggering the cut action next won't instantly hide the bottom bar.
+ connect(cutButton, &QAbstractButton::clicked, [this]() {
+ if (GeneralSettings::showPasteBarAfterCopying()) {
+ m_contents = Contents::PasteContents;
+ }
+ });
+ // Connect the cut action as a second step.
+ m_mainAction = ActionWithWidget(m_actionCollection->action(KStandardAction::name(KStandardAction::Cut)), cutButton);
+ // Finally connect the lambda that actually changes the contents to the PasteContents.
+ connect(cutButton, &QAbstractButton::clicked, [this](){
+ if (GeneralSettings::showPasteBarAfterCopying()) {
+ resetContents(Contents::PasteContents); // resetContents() needs to be connected last because
+ // it instantly deletes the button and then the other slots won't be called.
+ }
+ Q_EMIT leaveSelectionModeRequested();
+ });
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(cutButton);
+}
+
+void SelectionModeBottomBar::addDeleteContents()
+{
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select the files and folders that should be permanently deleted."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to delete files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *deleteButton = new QPushButton(this);
+ m_mainAction = ActionWithWidget(m_actionCollection->action(KStandardAction::name(KStandardAction::DeleteFile)), deleteButton);
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(deleteButton);
+}
+
+void SelectionModeBottomBar::addDuplicateContents()
+{
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select the files and folders that should be duplicated here."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to duplicate files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort Duplicating"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *duplicateButton = new QPushButton(this);
+ m_mainAction = ActionWithWidget(m_actionCollection->action(QStringLiteral("duplicate")), duplicateButton);
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(duplicateButton);
+}
+
+void SelectionModeBottomBar::addGeneralContents()
+{
+ if (!m_overflowButton) {
+ m_overflowButton = new QToolButton{this};
+ // i18n: This button appears in a bar if there isn't enough horizontal space to fit all the other buttons.
+ // The small icon-only button opens a menu that contains the actions that didn't fit on the bar.
+ // Since this is an icon-only button this text will only appear as a tooltip and as accessibility text.
+ m_overflowButton->setToolTip(i18nc("@action", "More"));
+ m_overflowButton->setAccessibleName(m_overflowButton->toolTip());
+ m_overflowButton->setIcon(QIcon::fromTheme(QStringLiteral("view-more-horizontal-symbolic")));
+ m_overflowButton->setMenu(new QMenu{m_overflowButton});
+ m_overflowButton->setPopupMode(QToolButton::ToolButtonPopupMode::InstantPopup);
+ m_overflowButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::MinimumExpanding); // Makes sure it has the same height as the labeled buttons.
+ m_layout->addWidget(m_overflowButton);
+ } else {
+ m_overflowButton->menu()->actions().clear();
+ // The overflowButton should be part of the calculation for needed space so we set it visible in regards to unusedSpace().
+ m_overflowButton->setVisible(true);
+ }
+
+ // We first add all the m_generalBarActions to the bar until the bar is full.
+ auto i = m_generalBarActions.begin();
+ for (; i != m_generalBarActions.end(); ++i) {
+ if (i->action()->isVisible()) {
+ if (i->widget()) {
+ i->widget()->setEnabled(i->action()->isEnabled());
+ } else {
+ i->newWidget(this);
+ i->widget()->setVisible(false);
+ m_layout->insertWidget(m_layout->count() - 1, i->widget()); // Insert before m_overflowButton
+ }
+ if (unusedSpace() < i->widget()->sizeHint().width()) {
+ std::cout << "The " << unusedSpace() << " is smaller than the button->sizeHint().width() of " << i->widget()->sizeHint().width() << " plus the m_layout->spacing() of " << m_layout->spacing() << " so the action " << qPrintable(i->action()->text()) << " doesn't get its own button.\n";
+ break; // The bar is too full already. We keep it invisible.
+ } else {
+ std::cout << "The " << unusedSpace() << " is bigger than the button->sizeHint().width() of " << i->widget()->sizeHint().width() << " plus the m_layout->spacing() of " << m_layout->spacing() << " so the action " << qPrintable(i->action()->text()) << " was added as its own button/widget.\n";
+ i->widget()->setVisible(true);
+ }
+ }
+ }
+ // We are done adding widgets to the bar so either we were able to fit all the actions in there
+ m_overflowButton->setVisible(false);
+ // …or there are more actions left which need to be put into m_overflowButton.
+ for (; i != m_generalBarActions.end(); ++i) {
+ m_overflowButton->menu()->addAction(i->action());
+
+ // The overflowButton is set visible if there is actually an action in it.
+ if (!m_overflowButton->isVisible() && i->action()->isVisible() && !i->action()->isSeparator()) {
+ m_overflowButton->setVisible(true);
+ }
+ }
+}
+
+void SelectionModeBottomBar::addMoveToOtherViewContents()
+{
+ // i18n: "Move over" refers to moving to the other split view area that is currently visible to the user.
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select the files and folders that should be moved over."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to copy the location of files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort Moving"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *moveToOtherViewButton = new QPushButton(this);
+ m_mainAction = ActionWithWidget(m_actionCollection->action(QStringLiteral("move_to_inactive_split_view")), moveToOtherViewButton);
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(moveToOtherViewButton);
+}
+
+void SelectionModeBottomBar::addMoveToTrashContents()
+{
+ m_explanatoryLabel = new QLabel(i18nc("@info explaining the next step in a process", "Select the files and folders that should be moved to the Trash."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process of moving files to the trash by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Abort"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *moveToTrashButton = new QPushButton(this);
+ m_mainAction = ActionWithWidget(m_actionCollection->action(KStandardAction::name(KStandardAction::MoveToTrash)), moveToTrashButton);
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(moveToTrashButton);
+}
+
+void SelectionModeBottomBar::addPasteContents()
+{
+ m_explanatoryLabel = new QLabel(xi18n("<para>The selected files and folders were added to the Clipboard. "
+ "Now the <emphasis>Paste</emphasis> action can be used to transfer them from the Clipboard "
+ "to any other location. They can even be transferred to other applications by using their "
+ "respective <emphasis>Paste</emphasis> actions.</para>"), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ auto *vBoxLayout = new QVBoxLayout(this);
+ m_layout->addLayout(vBoxLayout);
+
+ /** We are in "PasteContents" mode which means hiding the bottom bar is impossible.
+ * So we first have to claim that we have different contents before requesting to leave selection mode. */
+ auto actuallyLeaveSelectionMode = [this]() {
+ m_contents = Contents::CopyLocationContents;
+ Q_EMIT leaveSelectionModeRequested();
+ };
+
+ auto *pasteButton = new QPushButton(this);
+ copyActionDataToButton(pasteButton, m_actionCollection->action(KStandardAction::name(KStandardAction::Paste)));
+ pasteButton->setText(i18nc("@action A more elaborate and clearly worded version of the Paste action", "Paste from Clipboard"));
+ connect(pasteButton, &QAbstractButton::clicked, this, actuallyLeaveSelectionMode);
+ vBoxLayout->addWidget(pasteButton);
+
+ auto *dismissButton = new QToolButton(this);
+ dismissButton->setText(i18nc("@action Dismisses a bar explaining how to use the Paste action", "Dismiss this Reminder"));
+ connect(dismissButton, &QAbstractButton::clicked, this, actuallyLeaveSelectionMode);
+ auto *dontRemindAgainAction = new QAction(i18nc("@action Dismisses an explanatory area and never shows it again", "Don't remind me again"), this);
+ connect(dontRemindAgainAction, &QAction::triggered, this, []() {
+ GeneralSettings::setShowPasteBarAfterCopying(false);
+ });
+ connect(dontRemindAgainAction, &QAction::triggered, this, actuallyLeaveSelectionMode);
+ auto *dismissButtonMenu = new QMenu(dismissButton);
+ dismissButtonMenu->addAction(dontRemindAgainAction);
+ dismissButton->setMenu(dismissButtonMenu);
+ dismissButton->setPopupMode(QToolButton::MenuButtonPopup);
+ vBoxLayout->addWidget(dismissButton);
+
+ m_explanatoryLabel->setMaximumHeight(pasteButton->sizeHint().height() + dismissButton->sizeHint().height() + m_explanatoryLabel->fontMetrics().height());
+}
+
+void SelectionModeBottomBar::addRenameContents()
+{
+ m_explanatoryLabel = new QLabel(i18nc("@info explains the next step in a process", "Select the file or folder that should be renamed.\nBulk renaming is possible when multiple items are selected."), this);
+ m_explanatoryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+ m_explanatoryLabel->setWordWrap(true);
+ m_layout->addWidget(m_explanatoryLabel);
+
+ // i18n: Aborts the current step-by-step process to delete files by leaving the selection mode.
+ auto *cancelButton = new QPushButton(i18nc("@action:button", "Stop Renaming"), this);
+ connect(cancelButton, &QAbstractButton::clicked, this, &SelectionModeBottomBar::leaveSelectionModeRequested);
+ m_layout->addWidget(cancelButton);
+
+ auto *renameButton = new QPushButton(this);
+ m_mainAction = ActionWithWidget(m_actionCollection->action(KStandardAction::name(KStandardAction::RenameFile)), renameButton);
+ updateMainActionButton(KFileItemList());
+ m_layout->addWidget(renameButton);
+}
+
+void SelectionModeBottomBar::emptyBarContents()
+{
+ QLayoutItem *child;
+ while ((child = m_layout->takeAt(0)) != nullptr) {
+ if (auto *childLayout = child->layout()) {
+ QLayoutItem *grandChild;
+ while ((grandChild = childLayout->takeAt(0)) != nullptr) {
+ delete grandChild->widget(); // delete the widget
+ delete grandChild; // delete the layout item
+ }
+ }
+ delete child->widget(); // delete the widget
+ delete child; // delete the layout item
+ }
+}
+
+std::vector<QAction *> SelectionModeBottomBar::contextActionsFor(const KFileItemList& selectedItems, const QUrl& baseUrl)
+{
+ std::vector<QAction *> contextActions;
+ contextActions.emplace_back(m_actionCollection->action(KStandardAction::name(KStandardAction::Copy)));
+ contextActions.emplace_back(m_actionCollection->action(KStandardAction::name(KStandardAction::Cut)));
+ contextActions.emplace_back(m_actionCollection->action(KStandardAction::name(KStandardAction::RenameFile)));
+ contextActions.emplace_back(m_actionCollection->action(KStandardAction::name(KStandardAction::MoveToTrash)));
+
+ if (!selectedItems.isEmpty()) {
+ // We are going to add the actions from the right-click context menu for the selected items.
+ auto *dolphinMainWindow = qobject_cast<DolphinMainWindow *>(window());
+ Q_CHECK_PTR(dolphinMainWindow);
+ if (!m_fileItemActions) {
+ m_fileItemActions = new KFileItemActions(this);
+ m_fileItemActions->setParentWidget(dolphinMainWindow);
+ connect(m_fileItemActions, &KFileItemActions::error, this, &SelectionModeBottomBar::error);
+ }
+ m_internalContextMenu = std::make_unique<DolphinContextMenu>(dolphinMainWindow, selectedItems.constFirst(), selectedItems, baseUrl, m_fileItemActions);
+ auto internalContextMenuActions = m_internalContextMenu->actions();
+
+ // There are some actions which we wouldn't want to add. We remember them in the actionsThatShouldntBeAdded set.
+ // We don't want to add the four basic actions again which were already added to the top.
+ std::unordered_set<QAction *> actionsThatShouldntBeAdded{contextActions.begin(), contextActions.end()};
+ // "Delete" isn't really necessary to add because we have "Move to Trash" already. It is also more dangerous so let's exclude it.
+ actionsThatShouldntBeAdded.insert(m_actionCollection->action(KStandardAction::name(KStandardAction::DeleteFile)));
+ // "Open Terminal" isn't really context dependent and can therefore be opened from elsewhere instead.
+ actionsThatShouldntBeAdded.insert(m_actionCollection->action(QStringLiteral("open_terminal")));
+
+ // KHamburgerMenu would only be visible if there is no menu available anywhere on the user interface. This might be useful for recovery from
+ // such a situation in theory but a bar with context dependent actions doesn't really seem like the right place for it.
+ Q_ASSERT(internalContextMenuActions.first()->icon().name() == m_actionCollection->action(KStandardAction::name(KStandardAction::HamburgerMenu))->icon().name());
+ internalContextMenuActions.removeFirst();
+
+ for (auto it = internalContextMenuActions.constBegin(); it != internalContextMenuActions.constEnd(); ++it) {
+ if (actionsThatShouldntBeAdded.count(*it)) {
+ continue; // Skip this action.
+ }
+ if (!qobject_cast<DolphinRemoveAction *>(*it)) { // We already have a "Move to Trash" action so we don't want a DolphinRemoveAction.
+ // We filter duplicate separators here so we won't have to deal with them later.
+ if (!contextActions.back()->isSeparator() || !(*it)->isSeparator()) {
+ contextActions.emplace_back((*it));
+ }
+ }
+ }
+ }
+ return contextActions;
+}
+
+int SelectionModeBottomBar::unusedSpace() const
+{
+ int sumOfPreferredWidths = m_layout->contentsMargins().left() + m_layout->contentsMargins().right();
+ if (m_overflowButton) {
+ sumOfPreferredWidths += m_overflowButton->sizeHint().width();
+ }
+ std::cout << "These layout items should have sane width: ";
+ for (int i = 0; i < m_layout->count(); ++i) {
+ auto widget = m_layout->itemAt(i)->widget();
+ if (widget && !widget->isVisibleTo(widget->parentWidget())) {
+ continue; // We don't count invisible widgets.
+ }
+ std::cout << m_layout->itemAt(i)->sizeHint().width() << ", ";
+ if (m_layout->itemAt(i)->sizeHint().width() == 0) {
+ // One of the items reports an invalid width. We can't work with this so we report an unused space of 0 which should lead to as few changes to the
+ // layout as possible until the next resize event happens at a later point in time.
+ //return 0;
+ }
+ sumOfPreferredWidths += m_layout->itemAt(i)->sizeHint().width() + m_layout->spacing();
+ }
+ std::cout << "leads to unusedSpace = " << width() << " - " << sumOfPreferredWidths - 20 << " = " << width() - sumOfPreferredWidths - 20 << "\n";
+ return width() - sumOfPreferredWidths - 20; // We consider all space used when there are only 20 pixels left
+ // so there is some room to breath and not too much wonkyness while resizing.
+}
+
+void SelectionModeBottomBar::updateExplanatoryLabelVisibility()
+{
+ if (!m_explanatoryLabel) {
+ return;
+ }
+ std::cout << "label minimumSizeHint compared to width() :" << m_explanatoryLabel->sizeHint().width() << "/" << m_explanatoryLabel->width() << "; unusedSpace: " << unusedSpace() << "\n";
+ if (m_explanatoryLabel->isVisible()) {
+ m_explanatoryLabel->setVisible(unusedSpace() > 0);
+ } else {
+ // We only want to re-show the label when it fits comfortably so the computation below adds another "+20".
+ m_explanatoryLabel->setVisible(unusedSpace() > m_explanatoryLabel->sizeHint().width() + 20);
+ }
+}
+
+void SelectionModeBottomBar::updateMainActionButton(const KFileItemList& selection)
+{
+ if (!m_mainAction.widget()) {
+ return;
+ }
+ Q_ASSERT(qobject_cast<QAbstractButton *>(m_mainAction.widget()));
+
+ // Users are nudged towards selecting items by having the button disabled when nothing is selected.
+ m_mainAction.widget()->setEnabled(selection.count() > 0 && m_mainAction.action()->isEnabled());
+ QFontMetrics fontMetrics = m_mainAction.widget()->fontMetrics();
+
+ QString buttonText;
+ switch (m_contents) {
+ case CopyContents:
+ buttonText = i18ncp("@action A more elaborate and clearly worded version of the Copy action",
+ "Copy %2 to the Clipboard", "Copy %2 to the Clipboard", selection.count(),
+ fileItemListToString(selection, fontMetrics.averageCharWidth() * 20, fontMetrics));
+ break;
+ case CopyLocationContents:
+ buttonText = i18ncp("@action A more elaborate and clearly worded version of the Copy Location action",
+ "Copy the Location of %2 to the Clipboard", "Copy the Location of %2 to the Clipboard", selection.count(),
+ fileItemListToString(selection, fontMetrics.averageCharWidth() * 20, fontMetrics));
+ break;
+ case CutContents:
+ buttonText = i18ncp("@action A more elaborate and clearly worded version of the Cut action",
+ "Cut %2 to the Clipboard", "Cut %2 to the Clipboard", selection.count(),
+ fileItemListToString(selection, fontMetrics.averageCharWidth() * 20, fontMetrics));
+ break;
+ case DeleteContents:
+ buttonText = i18ncp("@action A more elaborate and clearly worded version of the Delete action",
+ "Permanently Delete %2", "Permanently Delete %2", selection.count(),
+ fileItemListToString(selection, fontMetrics.averageCharWidth() * 20, fontMetrics));
+ break;
+ case DuplicateContents:
+ buttonText = i18ncp("@action A more elaborate and clearly worded version of the Duplicate action",
+ "Duplicate %2", "Duplicate %2", selection.count(),
+ fileItemListToString(selection, fontMetrics.averageCharWidth() * 20, fontMetrics));
+ break;
+ case MoveToTrashContents:
+ buttonText = i18ncp("@action A more elaborate and clearly worded version of the Trash action",
+ "Move %2 to the Trash", "Move %2 to the Trash", selection.count(),
+ fileItemListToString(selection, fontMetrics.averageCharWidth() * 20, fontMetrics));
+ break;
+ case RenameContents:
+ buttonText = i18ncp("@action A more elaborate and clearly worded version of the Rename action",
+ "Rename %2", "Rename %2", selection.count(),
+ fileItemListToString(selection, fontMetrics.averageCharWidth() * 20, fontMetrics));
+ break;
+ default:
+ return;
+ }
+ if (buttonText != QStringLiteral("NULL")) {
+ static_cast<QAbstractButton *>(m_mainAction.widget())->setText(buttonText);
+
+ // The width of the button has changed. We might want to hide the label so the full button text fits on the bar.
+ updateExplanatoryLabelVisibility();
+ }
+}
diff --git a/src/selectionmode/selectionmodebottombar.h b/src/selectionmode/selectionmodebottombar.h
new file mode 100644
index 000000000..61cb90334
--- /dev/null
+++ b/src/selectionmode/selectionmodebottombar.h
@@ -0,0 +1,181 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef SELECTIONMODEBOTTOMBAR_H
+#define SELECTIONMODEBOTTOMBAR_H
+
+#include "actionwithwidget.h"
+#include "global.h"
+
+#include <QAction>
+#include <QPointer>
+#include <QPropertyAnimation>
+#include <QWidget>
+
+#include <memory>
+
+class DolphinContextMenu;
+class KActionCollection;
+class KFileItemActions;
+class KFileItemList;
+class QAbstractButton;
+class QAction;
+class QFontMetrics;
+class QHBoxLayout;
+class QLabel;
+class QPushButton;
+class QResizeEvent;
+class QToolButton;
+class QUrl;
+
+/**
+ * A bar mainly used in selection mode that serves various purposes depending on what the user is currently trying to do.
+ *
+ * The Contents enum below gives a rough idea about the different states this bar might have.
+ * The bar is notified of various changes that make changing or updating the content worthwhile.
+ */
+class SelectionModeBottomBar : public QWidget
+{
+ Q_OBJECT
+
+public:
+ /** The different contents this bar can have. */
+ enum Contents{
+ CopyContents,
+ CopyLocationContents,
+ CopyToOtherViewContents,
+ CutContents,
+ DeleteContents,
+ DuplicateContents,
+ GeneralContents,
+ MoveToOtherViewContents,
+ MoveToTrashContents,
+ PasteContents,
+ RenameContents
+ };
+
+ /**
+ * Default constructor
+ */
+ explicit SelectionModeBottomBar(KActionCollection *actionCollection, QWidget *parent);
+
+ /**
+ * Plays a show or hide animation while changing visibility.
+ * Therefore, if this method is used to hide this widget, the actual hiding will be postponed until the animation finished.
+ * @see QWidget::setVisible()
+ */
+ void setVisible(bool visible, Animated animated);
+ using QWidget::setVisible; // Makes sure that the setVisible() declaration above doesn't hide the one from QWidget.
+
+ void resetContents(Contents contents);
+ inline Contents contents() const
+ {
+ return m_contents;
+ };
+
+ QSize sizeHint() const override;
+
+public Q_SLOTS:
+ void slotSelectionChanged(const KFileItemList &selection, const QUrl &baseUrl);
+
+ /** Used to notify the m_selectionModeBottomBar that there is no other ViewContainer in the tab. */
+ void slotSplitTabDisabled();
+
+Q_SIGNALS:
+ /**
+ * Forwards the errors from the KFileItemAction::error() used for contextual actions.
+ */
+ void error(const QString &errorMessage);
+
+ void leaveSelectionModeRequested();
+
+protected:
+ /** Is installed on an internal widget to make sure that the height of the bar is adjusted to its contents. */
+ bool eventFilter(QObject *watched, QEvent *event) override;
+ void resizeEvent(QResizeEvent *resizeEvent) override;
+
+private:
+ void addCopyContents();
+ void addCopyLocationContents();
+ void addCopyToOtherViewContents();
+ void addCutContents();
+ void addDeleteContents();
+ void addDuplicateContents();
+ /**
+ * Adds the actions of m_generalBarActions as buttons to the bar. An overflow menu button is
+ * created to make sure any amount of actions can be accessed.
+ */
+ void addGeneralContents();
+ void addMoveToOtherViewContents();
+ void addMoveToTrashContents();
+ void addPasteContents();
+ void addRenameContents();
+
+ /**
+ * Deletes all visible widgets and layouts from the bar.
+ */
+ void emptyBarContents();
+
+ /**
+ * @returns A vector containing contextual actions for the given \a selection in the \a baseUrl.
+ * Cut, Copy, Rename and MoveToTrash are always added. Any further contextual actions depend on
+ * \a selection and \a baseUrl. \a selection and \a baseUrl can be empty/default constructed if
+ * no item- or view-specific actions should be added aside from Cut, Copy, Rename, MoveToTrash.
+ * @param selectedItems The selected items for which contextual actions should be displayed.
+ * @param baseUrl Base URL of the viewport the contextual actions apply to.
+ */
+ std::vector<QAction *> contextActionsFor(const KFileItemList &selectedItems, const QUrl &baseUrl);
+
+ /**
+ * @returns the amount of pixels that can be spared to add more widgets. A negative value might
+ * be returned which signifies that some widgets should be hidden or removed from this bar to
+ * make sure that this SelectionModeBottomBar won't stretch the width of its parent.
+ */
+ int unusedSpace() const;
+
+ /**
+ * The label isn't that important. This method hides it if there isn't enough room on the bar or
+ * shows it if there is.
+ */
+ void updateExplanatoryLabelVisibility();
+
+ /**
+ * Changes the text and enabled state of the main action button
+ * based on the amount of currently selected items and the state of the current m_mainAction.
+ * The current main action depends on the current barContents.
+ * @param selection the currently selected fileItems.
+ */
+ void updateMainActionButton(const KFileItemList &selection);
+
+private:
+ /// All the actions that should be available from this bar when in general mode.
+ std::vector<ActionWithWidget> m_generalBarActions;
+ /// The context menu used to retrieve all the actions that are relevant for the current selection.
+ std::unique_ptr<DolphinContextMenu> m_internalContextMenu;
+ /// An object that is necessary to keep around for m_internalContextMenu.
+ KFileItemActions *m_fileItemActions = nullptr;
+
+ /// @see updateMainActionButtonText
+ ActionWithWidget m_mainAction = ActionWithWidget(nullptr);
+ /// The button containing all the actions that don't currently fit into the bar.
+ QPointer<QToolButton> m_overflowButton;
+ /// The actionCollection from which the actions for this bar are retrieved.
+ KActionCollection *m_actionCollection;
+ /// Describes the current contents of the bar.
+ Contents m_contents;
+ /** The layout all the buttons and labels are added to.
+ * Do not confuse this with layout() because we do have a QScrollView in between this widget and m_layout. */
+ QHBoxLayout *m_layout;
+
+ /// @see SelectionModeBottomBar::setVisible()
+ QPointer<QPropertyAnimation> m_heightAnimation;
+
+ /// The info label used for some of the BarContents. Is hidden for narrow widths.
+ QPointer<QLabel> m_explanatoryLabel;
+};
+
+#endif // SELECTIONMODEBOTTOMBAR_H
diff --git a/src/selectionmode/selectionmodetopbar.cpp b/src/selectionmode/selectionmodetopbar.cpp
new file mode 100644
index 000000000..89a4aa03a
--- /dev/null
+++ b/src/selectionmode/selectionmodetopbar.cpp
@@ -0,0 +1,131 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#include "selectionmodetopbar.h"
+
+#include "backgroundcolorhelper.h"
+
+#include <KColorScheme>
+#include <KLocalizedString>
+#include <KToolTipHelper>
+
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPalette>
+#include <QPropertyAnimation>
+#include <QPushButton>
+#include <QScrollArea>
+#include <QStyle>
+#include <QtGlobal>
+
+#include <type_traits>
+#include <iostream>
+
+SelectionModeTopBar::SelectionModeTopBar(QWidget *parent) :
+ QWidget{parent}
+{
+ // Showing of this widget is normally animated. We hide it for now and make it small.
+ hide();
+ setMaximumHeight(0);
+
+ setToolTip(KToolTipHelper::whatsThisHintOnly());
+ setWhatsThis(xi18nc("@info:whatsthis", "<title>Selection Mode</title><para>Select files or folders to manage or manipulate them."
+ "<list><item>Press on a file or folder to select it.</item><item>Press on an already selected file or folder to deselect it.</item>"
+ "<item>Pressing an empty area does <emphasis>not</emphasis> clear the selection.</item>"
+ "<item>Selection rectangles (created by dragging from an empty area) invert the selection status of items within.</item></list></para>"
+ "<para>The available action buttons at the bottom change depending on the current selection.</para>"));
+
+ auto fillParentLayout = new QGridLayout(this);
+ fillParentLayout->setContentsMargins(0, 0, 0, 0);
+
+ // Put the contents into a QScrollArea. This prevents increasing the view width
+ // in case that not enough width for the contents is available. (this trick is also used in selectionmodebottombar.cpp.)
+ auto scrollArea = new QScrollArea(this);
+ fillParentLayout->addWidget(scrollArea);
+ scrollArea->setFrameShape(QFrame::NoFrame);
+ scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ scrollArea->setWidgetResizable(true);
+
+ auto contentsContainer = new QWidget(scrollArea);
+ scrollArea->setWidget(contentsContainer);
+
+ BackgroundColorHelper::instance()->controlBackgroundColor(this);
+
+ setMinimumWidth(0);
+
+ m_fullLabelString = i18nc("@info label above the view explaining the state",
+ "Selection Mode: Click on files or folders to select or deselect them.");
+ m_shortLabelString = i18nc("@info label above the view explaining the state",
+ "Selection Mode");
+ m_label = new QLabel(contentsContainer);
+ m_label->setMinimumWidth(0);
+ BackgroundColorHelper::instance()->controlBackgroundColor(m_label);
+
+ m_closeButton = new QPushButton(QIcon::fromTheme(QStringLiteral("window-close-symbolic")), "", contentsContainer);
+ m_closeButton->setToolTip(i18nc("@action:button", "Exit Selection Mode"));
+ m_closeButton->setAccessibleName(m_closeButton->toolTip());
+ m_closeButton->setFlat(true);
+ connect(m_closeButton, &QAbstractButton::pressed,
+ this, &SelectionModeTopBar::leaveSelectionModeRequested);
+
+ QHBoxLayout *layout = new QHBoxLayout(contentsContainer);
+ auto contentsMargins = layout->contentsMargins();
+ m_preferredHeight = contentsMargins.top() + m_label->sizeHint().height() + contentsMargins.bottom();
+ scrollArea->setMaximumHeight(m_preferredHeight);
+ m_closeButton->setFixedHeight(m_preferredHeight);
+ layout->setContentsMargins(0, 0, 0, 0);
+
+ layout->addStretch();
+ layout->addWidget(m_label);
+ layout->addStretch();
+ layout->addWidget(m_closeButton);
+}
+
+void SelectionModeTopBar::setVisible(bool visible, Animated animated)
+{
+ Q_ASSERT_X(animated == WithAnimation, "SelectionModeTopBar::setVisible", "This wasn't implemented.");
+
+ if (!m_heightAnimation) {
+ m_heightAnimation = new QPropertyAnimation(this, "maximumHeight");
+ }
+ disconnect(m_heightAnimation, &QAbstractAnimation::finished,
+ this, &QWidget::hide);
+ m_heightAnimation->setDuration(2 *
+ style()->styleHint(QStyle::SH_Widget_Animation_Duration, nullptr, this) *
+ GlobalConfig::animationDurationFactor());
+
+ if (visible) {
+ show();
+ m_heightAnimation->setStartValue(0);
+ m_heightAnimation->setEndValue(m_preferredHeight);
+ m_heightAnimation->setEasingCurve(QEasingCurve::OutCubic);
+ } else {
+ m_heightAnimation->setStartValue(height());
+ m_heightAnimation->setEndValue(0);
+ m_heightAnimation->setEasingCurve(QEasingCurve::OutCubic);
+ connect(m_heightAnimation, &QAbstractAnimation::finished,
+ this, &QWidget::hide);
+ }
+
+ m_heightAnimation->start();
+}
+
+void SelectionModeTopBar::resizeEvent(QResizeEvent */* resizeEvent */)
+{
+ updateLabelString();
+}
+
+void SelectionModeTopBar::updateLabelString()
+{
+ QFontMetrics fontMetrics = m_label->fontMetrics();
+ if (fontMetrics.horizontalAdvance(m_fullLabelString) + m_closeButton->sizeHint().width() + style()->pixelMetric(QStyle::PM_LayoutLeftMargin) * 2 + style()->pixelMetric(QStyle::PM_LayoutRightMargin) * 2 < width()) {
+ m_label->setText(m_fullLabelString);
+ } else {
+ m_label->setText(m_shortLabelString);
+ }
+}
diff --git a/src/selectionmode/selectionmodetopbar.h b/src/selectionmode/selectionmodetopbar.h
new file mode 100644
index 000000000..fa829aef5
--- /dev/null
+++ b/src/selectionmode/selectionmodetopbar.h
@@ -0,0 +1,66 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef SELECTIONMODETOPBAR_H
+#define SELECTIONMODETOPBAR_H
+
+#include "global.h"
+
+#include <QPointer>
+#include <QPropertyAnimation>
+#include <QStyle>
+#include <QWidget>
+
+class QHideEvent;
+class QLabel;
+class QPushButton;
+class QResizeEvent;
+class QShowEvent;
+
+/**
+ * @todo write docs
+ */
+class SelectionModeTopBar : public QWidget
+{
+ Q_OBJECT
+
+public:
+ SelectionModeTopBar(QWidget *parent);
+
+ /**
+ * Plays a show or hide animation while changing visibility.
+ * Therefore, if this method is used to hide this widget, the actual hiding will be postponed until the animation finished.
+ * @see QWidget::setVisible()
+ */
+ void setVisible(bool visible, Animated animated);
+ using QWidget::setVisible; // Makes sure that the setVisible() declaration above doesn't hide the one from QWidget.
+
+Q_SIGNALS:
+ void leaveSelectionModeRequested();
+
+protected:
+ void resizeEvent(QResizeEvent */* resizeEvent */) override;
+
+private:
+ /** Decides whether the m_fullLabelString or m_shortLabelString should be used based on available width. */
+ void updateLabelString();
+
+private:
+ QLabel *m_label;
+ QPushButton *m_closeButton;
+
+ /** @see updateLabelString() */
+ QString m_fullLabelString;
+ /** @see updateLabelString() */
+ QString m_shortLabelString;
+
+ int m_preferredHeight;
+
+ QPointer<QPropertyAnimation> m_heightAnimation;
+};
+
+#endif // SELECTIONMODETOPBAR_H
diff --git a/src/selectionmode/singleclickselectionproxystyle.h b/src/selectionmode/singleclickselectionproxystyle.h
new file mode 100644
index 000000000..9c185a85a
--- /dev/null
+++ b/src/selectionmode/singleclickselectionproxystyle.h
@@ -0,0 +1,29 @@
+/*
+ This file is part of the KDE project
+ SPDX-FileCopyrightText: 2020 Felix Ernst <[email protected]>
+
+ SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef SINGLECLICKSELECTIONPROXYSTYLE_H
+#define SINGLECLICKSELECTIONPROXYSTYLE_H
+
+#include <QProxyStyle>
+
+/**
+ * @todo write docs
+ */
+class SingleClickSelectionProxyStyle : public QProxyStyle
+{
+public:
+ inline int styleHint(StyleHint hint, const QStyleOption *option = nullptr,
+ const QWidget *widget = nullptr, QStyleHintReturn *returnData = nullptr) const override
+ {
+ if (hint == QStyle::SH_ItemView_ActivateItemOnSingleClick) {
+ return 0;
+ }
+ return QProxyStyle::styleHint(hint, option, widget, returnData);
+ }
+};
+
+#endif // SINGLECLICKSELECTIONPROXYSTYLE_H
generated by cgit v1.3 (git 2.53.0) at 2026-04-18 05:43:51 +0000