Add feature to skip to specified time

Fix #56

Author: carsonip

PenguinSubtitlePlayer.pro

@@ -17,6 +17,7 @@ INCLUDEPATH += $$PWD/src/libcharsetdetect \
 
 SOURCES += src/configdialog.cpp \
     src/main.cpp \
+    src/clickablelabel.cpp \
     src/mainwindow.cpp \
     src/pages.cpp \
     src/prefpage.cpp \
@@ -61,6 +62,7 @@ SOURCES += src/configdialog.cpp \
     src/engine.cpp
 
 HEADERS  += src/configdialog.h \
+    src/clickablelabel.h \
     src/mainwindow.h \
     src/pages.h \
     src/prefpage.h \

resource/ui/mainwindow.ui

@@ -293,7 +293,6 @@
            </property>
           </widget>
          </item>
-
          <item>
           <widget class="QPushButton" name="backwardButton">
            <property name="sizePolicy">
@@ -407,8 +406,7 @@
            </property>
           </widget>
          </item>
-
-<item>
+         <item>
           <widget class="QSlider" name="horizontalSlider">
            <property name="enabled">
             <bool>false</bool>
@@ -428,7 +426,7 @@
           </widget>
          </item>
          <item>
-          <widget class="QLabel" name="timeLabel">
+          <widget class="ClickableLabel" name="timeLabel">
            <property name="font">
             <font>
              <pointsize>11</pointsize>
@@ -514,6 +512,11 @@ open-source, cross-platform</string>
    <header location="global">QSizeGrip</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>ClickableLabel</class>
+   <extends>QLabel</extends>
+   <header>src/clickablelabel.h</header>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="../resource.qrc"/>

src/clickablelabel.cpp

@@ -0,0 +1,12 @@
+#include "clickablelabel.h"
+
+ClickableLabel::ClickableLabel(QWidget* parent, Qt::WindowFlags f)
+    : QLabel(parent) {
+
+}
+
+ClickableLabel::~ClickableLabel() {}
+
+void ClickableLabel::mousePressEvent(QMouseEvent* event) {
+    emit clicked();
+}

src/clickablelabel.h

@@ -0,0 +1,23 @@
+#ifndef CLICKABLELABEL_H
+#define CLICKABLELABEL_H
+
+#include <QLabel>
+#include <QWidget>
+#include <Qt>
+
+class ClickableLabel : public QLabel {
+    Q_OBJECT
+
+public:
+    explicit ClickableLabel(QWidget* parent = Q_NULLPTR, Qt::WindowFlags f = Qt::WindowFlags());
+    ~ClickableLabel();
+
+signals:
+    void clicked();
+
+protected:
+    void mousePressEvent(QMouseEvent* event);
+
+};
+
+#endif // CLICKABLELABEL_H

src/mainwindow.cpp

@@ -22,6 +22,7 @@
 #include "QStyle"
 #include "QTextCodec"
 #include "QTimer"
+#include "QLineEdit"
 #include "cmath"
 #include "chardet.h"
 #include "configdialog.h"
@@ -64,6 +65,8 @@ MainWindow::MainWindow(QWidget *parent)
     connect(ui->horizontalSlider, SIGNAL(sliderMoved(int)), this,
             SLOT(sliderMoved(int)));
 
+    connect(ui->timeLabel, SIGNAL(clicked()), this, SLOT(openSkipToTimeDialog()));
+
     if (QSystemTrayIcon::isSystemTrayAvailable()) {
         QSystemTrayIcon *trayIcon = new QSystemTrayIcon(this);
         trayIcon->setIcon(QIcon(":/icon.png"));
@@ -251,6 +254,30 @@ void MainWindow::openFileDialog() {
     this->show();
 }
 
+void MainWindow::openSkipToTimeDialog() {
+    if (!engine)
+        return;
+
+    this->hide();
+
+    bool ok;
+    QString timeStr = QInputDialog::getText(0, tr("Skip to Time"), tr("Skip to Time"),
+                                            QLineEdit::Normal, Engine::millisToTimeString(currentTime), &ok);
+    if (ok) {
+        QRegularExpression timeRegex(
+                    "^(\\d+):(\\d+):(\\d+)$");
+        QRegularExpressionMatchIterator it = timeRegex.globalMatch(timeStr);
+        if (it.hasNext()) {
+            QRegularExpressionMatch match = it.next();
+            QString h = match.captured(1), m = match.captured(2), s = match.captured(3);
+            long long time = Engine::calculateTime(h, m, s, "0");
+            currentTime = qMin(engine->getFinishTime(), qMax(0LL, time));
+            update();
+        }
+    }
+    this->show();
+}
+
 /*
  * Protected methods
 */

src/mainwindow.h

@@ -29,6 +29,7 @@ class MainWindow : public QMainWindow {
     void iconActivated(QSystemTrayIcon::ActivationReason reason);
     void openSettingsWindow();
     void openFileDialog();
+    void openSkipToTimeDialog();
 
   protected:
     void paintEvent(QPaintEvent *event);