comparison selectablelabel.cpp @ 69:6d5a5571caec

* Basic working "Open Repository" dialog

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    EasyMercurial
+
+    Based on HgExplorer by Jari Korhonen
+    Copyright (c) 2010 Jari Korhonen
+    Copyright (c) 2010 Chris Cannam
+    Copyright (c) 2010 Queen Mary, University of London
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#include "selectablelabel.h"
+
+#include "debug.h"
+
+#include <iostream>
+#include <QApplication>
+
+SelectableLabel::SelectableLabel(QWidget *p) :
+    QLabel(p),
+    m_selected(false)
+{
+    setTextFormat(Qt::RichText);
+//    setLineWidth(2);
+//    setFixedWidth(480);
+    setupStyle();
+    setOpenExternalLinks(true);
+}
+
+SelectableLabel::~SelectableLabel()
+{
+}
+
+void
+SelectableLabel::setUnselectedText(QString text)
+{
+    if (m_unselectedText == text) return;
+    m_unselectedText = text;
+    if (!m_selected) {
+        setText(m_unselectedText);
+        resize(sizeHint());
+    }
+}
+
+void
+SelectableLabel::setSelectedText(QString text)
+{
+    if (m_selectedText == text) return;
+    m_selectedText = text;
+    if (m_selected) {
+        setText(m_selectedText);
+        resize(sizeHint());
+    }
+}
+
+void
+SelectableLabel::setupStyle()
+{
+    QPalette palette = QApplication::palette();
+
+    setTextInteractionFlags(Qt::LinksAccessibleByKeyboard |
+                            Qt::LinksAccessibleByMouse |
+                            Qt::TextSelectableByMouse);
+
+    if (m_selected) {
+        setStyleSheet
+            (QString("QLabel:hover { background: %1; color: %3; } "
+                     "QLabel:!hover { background: %2; color: %3 } "
+                     "QLabel { padding: 7px }")
+             .arg(palette.highlight().color().name())
+             .arg(palette.highlight().color().name())
+             .arg(palette.text().color().name()));
+    } else {
+        setStyleSheet
+            (QString("QLabel:hover { background: %1; color: %3; } "
+                     "QLabel:!hover { background: %2; color: %3 } "
+                     "QLabel { padding: 7px }")
+             .arg(palette.button().color().name())
+             .arg(palette.light().color().name())
+             .arg(palette.text().color().name()));
+    }
+}    
+
+void
+SelectableLabel::setSelected(bool s)
+{
+    if (m_selected == s) return;
+    m_selected = s;
+    if (m_selected) {
+        setText(m_selectedText);
+    } else {
+        setText(m_unselectedText);
+    }
+    setupStyle();
+    parentWidget()->resize(parentWidget()->sizeHint());
+}
+
+void
+SelectableLabel::toggle()
+{
+    setSelected(!m_selected);
+}
+
+void
+SelectableLabel::mousePressEvent(QMouseEvent *e)
+{
+    m_swallowRelease = !m_selected;
+    setSelected(true);
+    QLabel::mousePressEvent(e);
+    emit selectionChanged();
+}
+
+void
+SelectableLabel::mouseDoubleClickEvent(QMouseEvent *e)
+{
+    QLabel::mouseDoubleClickEvent(e);
+    emit doubleClicked();
+}
+
+void
+SelectableLabel::mouseReleaseEvent(QMouseEvent *e)
+{
+    if (!m_swallowRelease) QLabel::mouseReleaseEvent(e);
+    m_swallowRelease = false;
+}
+
+void
+SelectableLabel::enterEvent(QEvent *)
+{
+//    std::cerr << "enterEvent" << std::endl;
+//    QPalette palette = QApplication::palette();
+//    palette.setColor(QPalette::Window, Qt::gray);
+//    setStyleSheet("background: gray");
+//    setPalette(palette);
+}
+
+void
+SelectableLabel::leaveEvent(QEvent *)
+{
+//    std::cerr << "leaveEvent" << std::endl;
+//    setStyleSheet("background: white");
+//    QPalette palette = QApplication::palette();
+//    palette.setColor(QPalette::Window, Qt::gray);
+//    setPalette(palette);
+}