ui/qt/accordion_frame.cpp

   1 /* accordion_frame.cpp
   2  *
   3  * Wireshark - Network traffic analyzer
   4  * By Gerald Combs <gerald@wireshark.org>
   5  * Copyright 1998 Gerald Combs
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #include "config.h"
  11
  12 #include "accordion_frame.h"
  13
  14 #include "ui/util.h"
  15 #include <ui/qt/utils/color_utils.h>
  16
  17 #include <QLayout>
  18 #include <QPropertyAnimation>
  19
  20 const int duration_ = 150;
  21
  22 AccordionFrame::AccordionFrame(QWidget *parent) :
  23     QFrame(parent),
  24     frame_height_(0)
  25 {
  26     updateStyleSheet();
  27
  28     animation_ = new QPropertyAnimation(this, "maximumHeight", this);
  29     animation_->setDuration(duration_);
  30     animation_->setEasingCurve(QEasingCurve::InOutQuad);
  31     connect(animation_, &QPropertyAnimation::finished, this, &AccordionFrame::animationFinished);
  32 }
  33
  34 void AccordionFrame::animatedShow()
  35 {
  36     if (isVisible()) {
  37         show();
  38         return;
  39     }
  40
  41     if (!display_is_remote()) {
  42         QWidget *parent = parentWidget();
  43
  44         if (parent && parent->layout()) {
  45             // Force our parent layout to update its geometry. There are a number
  46             // of ways of doing this. Calling invalidate + activate seems to
  47             // be the best.
  48             show();
  49             parent->layout()->invalidate(); // Calls parent->layout()->update()
  50             parent->layout()->activate(); // Calculates sizes then calls parent->updateGeometry()
  51             frame_height_ = height();
  52             hide();
  53         }
  54         if (frame_height_ > 0) {
  55             animation_->setStartValue(0);
  56             animation_->setEndValue(frame_height_);
  57             animation_->start();
  58         }
  59     }
  60     show();
  61 }
  62
  63 void AccordionFrame::animatedHide()
  64 {
  65     if (!isVisible()) {
  66         hide();
  67         return;
  68     }
  69
  70     if (!display_is_remote()) {
  71         animation_->setStartValue(frame_height_);
  72         animation_->setEndValue(0);
  73         animation_->start();
  74     } else {
  75         hide();
  76     }
  77 }
  78
  79 void AccordionFrame::animationFinished()
  80 {
  81     if (animation_->currentValue().toInt() < 1) {
  82         hide();
  83         setMaximumHeight(frame_height_);
  84     }
  85 }
  86
  87 void AccordionFrame::updateStyleSheet()
  88 {
  89     QString style_sheet(
  90         "QLineEdit#goToLineEdit {"
  91         "  max-width: 5em;"
  92         "}"
  93     );
  94
  95 #ifdef Q_OS_MAC
  96     style_sheet += QString(
  97         "QLineEdit {"
  98         "  border: 1px solid palette(%1);"
  99         "  border-radius: 3px;"
 100         "  padding: 1px;"
 101         "}"
 102     ).arg(ColorUtils::themeIsDark() ? QStringLiteral("light") : QStringLiteral("dark"));
 103 #endif
 104
 105     setStyleSheet(style_sheet);
 106 }