src/selectionmode/topbar.h

   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 #ifndef SELECTIONMODETOPBAR_H
   9 #define SELECTIONMODETOPBAR_H
  10
  11 #include "animatedheightwidget.h"
  12
  13 class KContextualHelpButton;
  14 class QLabel;
  15 class QPushButton;
  16 class QResizeEvent;
  17
  18 namespace SelectionMode
  19 {
  20
  21 /**
  22  * @brief A bar appearing at the top of the view when in selection mode to make users aware of the selection mode state of the application.
  23  */
  24 class TopBar : public AnimatedHeightWidget
  25 {
  26     Q_OBJECT
  27
  28 public:
  29     TopBar(QWidget *parent);
  30
  31 Q_SIGNALS:
  32     void selectionModeLeavingRequested();
  33
  34 protected:
  35     /** Calls updateLabelString() */
  36     void resizeEvent(QResizeEvent *resizeEvent) override;
  37
  38 private:
  39     /** Decides whether the m_fullLabelString or m_shortLabelString should be used based on available width. */
  40     void updateLabelString();
  41
  42     /** @see AnimatedHeightWidget::preferredHeight() */
  43     inline int preferredHeight() const override
  44     {
  45         return m_preferredHeight;
  46     };
  47
  48 private:
  49     QLabel *m_label;
  50     KContextualHelpButton *m_contextualHelpButton;
  51     QPushButton *m_closeButton;
  52
  53     /** @see updateLabelString() */
  54     QString m_fullLabelString;
  55     /** @see updateLabelString() */
  56     QString m_shortLabelString;
  57
  58     int m_preferredHeight;
  59 };
  60
  61 }
  62
  63 #endif // SELECTIONMODETOPBAR_H