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 QLabel;
  14 class QPushButton;
  15 class QResizeEvent;
  16
  17 namespace SelectionMode
  18 {
  19
  20 /**
  21  * @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.
  22  */
  23 class TopBar : public AnimatedHeightWidget
  24 {
  25     Q_OBJECT
  26
  27 public:
  28     TopBar(QWidget *parent);
  29
  30 Q_SIGNALS:
  31     void selectionModeLeavingRequested();
  32
  33 protected:
  34     /** Calls updateLabelString() */
  35     void resizeEvent(QResizeEvent *resizeEvent) override;
  36
  37 private:
  38     /** Decides whether the m_fullLabelString or m_shortLabelString should be used based on available width. */
  39     void updateLabelString();
  40
  41     /** @see AnimatedHeightWidget::preferredHeight() */
  42     inline int preferredHeight() const override
  43     {
  44         return m_preferredHeight;
  45     };
  46
  47 private:
  48     QLabel *m_label;
  49     QPushButton *m_closeButton;
  50
  51     /** @see updateLabelString() */
  52     QString m_fullLabelString;
  53     /** @see updateLabelString() */
  54     QString m_shortLabelString;
  55
  56     int m_preferredHeight;
  57 };
  58
  59 }
  60
  61 #endif // SELECTIONMODETOPBAR_H