src/selectionmode/actionwithwidget.cpp

   1 /*
   2     This file is part of the KDE project
   3     SPDX-FileCopyrightText: 2022 Felix Ernst <felixernst@kde.org>
   4
   5     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
   6 */
   7
   8 #include "actionwithwidget.h"
   9
  10 #include <QAbstractButton>
  11 #include <QFrame>
  12 #include <QPushButton>
  13 #include <QToolButton>
  14
  15 using namespace SelectionMode;
  16
  17 ActionWithWidget::ActionWithWidget(QAction *action)
  18     : m_action{action}
  19 {
  20 }
  21
  22 ActionWithWidget::ActionWithWidget(QAction *action, QAbstractButton *button)
  23     : m_action{action}
  24     , m_widget{button}
  25 {
  26     copyActionDataToButton(button, action);
  27 }
  28
  29 QWidget *ActionWithWidget::newWidget(QWidget *parent)
  30 {
  31     Q_CHECK_PTR(m_action);
  32     Q_ASSERT(!m_widget);
  33
  34     if (m_action->isSeparator()) {
  35         auto line = new QFrame(parent);
  36         line->setFrameShape(QFrame::VLine);
  37         line->setFrameShadow(QFrame::Sunken);
  38
  39         m_widget = line;
  40     } else {
  41         m_widget = newButtonForAction(m_action, parent);
  42     }
  43     return m_widget;
  44 }
  45
  46 QAbstractButton *SelectionMode::newButtonForAction(QAction *action, QWidget *parent)
  47 {
  48     Q_CHECK_PTR(action);
  49     Q_ASSERT(!action->isSeparator());
  50
  51     if (action->priority() == QAction::LowPriority) {
  52         // We don't want the low priority actions to be displayed icon-only so we need trickery.
  53         auto button = new QPushButton(parent);
  54         copyActionDataToButton(static_cast<QAbstractButton *>(button), action);
  55         button->setMinimumWidth(0);
  56         return button;
  57     }
  58
  59     auto *toolButton = new QToolButton(parent);
  60     toolButton->setToolButtonStyle(Qt::ToolButtonStyle::ToolButtonTextBesideIcon);
  61     toolButton->setDefaultAction(action);
  62     toolButton->setPopupMode(QToolButton::ToolButtonPopupMode::InstantPopup);
  63     toolButton->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  64     toolButton->setMinimumWidth(0);
  65     return toolButton;
  66 }
  67
  68 void SelectionMode::copyActionDataToButton(QAbstractButton *button, QAction *action)
  69 {
  70     button->setText(action->text());
  71     button->setIcon(action->icon());
  72     button->setToolTip(action->toolTip());
  73     button->setWhatsThis(action->whatsThis());
  74
  75     button->setVisible(action->isVisible());
  76     button->setEnabled(action->isEnabled());
  77
  78     QObject::connect(button, &QAbstractButton::clicked, action, &QAction::trigger);
  79 }