src/selectionmode/actionwithwidget.cpp

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