drop Qt4 support, move Source files and few other changes

src/uimod/UiModWidget.cpp

@@ -0,0 +1,81 @@
+/*****************************************************************************
+* gta5view Grand Theft Auto V Profile Viewer
+* Copyright (C) 2017 Syping
+*
+* 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 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*****************************************************************************/
+
+#include "UiModWidget.h"
+#include <QStyleOption>
+#include <QDropEvent>
+#include <QMimeData>
+#include <QPainter>
+#include <QDebug>
+#include <QUrl>
+
+UiModWidget::UiModWidget(QWidget *parent) : QWidget(parent)
+{
+    filesDropEnabled = false;
+    imageDropEnabled = false;
+}
+
+UiModWidget::~UiModWidget()
+{
+}
+
+void UiModWidget::setFilesDropEnabled(bool enabled)
+{
+    filesDropEnabled = enabled;
+}
+
+void UiModWidget::setImageDropEnabled(bool enabled)
+{
+    imageDropEnabled = enabled;
+}
+
+void UiModWidget::dragEnterEvent(QDragEnterEvent *dragEnterEvent)
+{
+    if (filesDropEnabled && dragEnterEvent->mimeData()->hasUrls()) {
+        QVector<QString> pathList;
+        const QList<QUrl> urlList = dragEnterEvent->mimeData()->urls();
+
+        for (const QUrl &currentUrl : urlList) {
+            if (currentUrl.isLocalFile()) {
+                pathList.append(currentUrl.toLocalFile());
+            }
+        }
+
+        if (!pathList.isEmpty()) {
+            dragEnterEvent->acceptProposedAction();
+        }
+    }
+    else if (imageDropEnabled && dragEnterEvent->mimeData()->hasImage()) {
+        dragEnterEvent->acceptProposedAction();
+    }
+}
+
+void UiModWidget::dropEvent(QDropEvent *dropEvent)
+{
+    dropEvent->acceptProposedAction();
+    emit dropped(dropEvent->mimeData());
+}
+
+void UiModWidget::paintEvent(QPaintEvent *paintEvent)
+{
+    Q_UNUSED(paintEvent)
+    QStyleOption opt;
+    opt.initFrom(this);
+    QPainter p(this);
+    style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
+}