forked from Ivasoft/DSView
Make windows frameless and add own titlebar
This commit is contained in:
DreamSourceLab
307
DSView/pv/mainframe.cpp
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307
DSView/pv/mainframe.cpp
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/*
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* This file is part of the DSView project.
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* DSView is based on PulseView.
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*
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* Copyright (C) 2016 DreamSourceLab <support@dreamsourcelab.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mainframe.h"
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#include "toolbars/titlebar.h"
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#include "mainwindow.h"
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#include <QVBoxLayout>
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#include <QEvent>
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#include <QMouseEvent>
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#include <QHoverEvent>
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#include <QPixmap>
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#include <QPainter>
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#include <QBitmap>
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#include <QResizeEvent>
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#include <algorithm>
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namespace pv {
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MainFrame::MainFrame(DeviceManager &device_manager,
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const char *open_file_name)
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{
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setAttribute(Qt::WA_TranslucentBackground);
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// Make this a borderless window which can't
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// be resized or moved via the window system
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setWindowFlags(Qt::FramelessWindowHint);
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setMinimumHeight(680);
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setMinimumWidth(800);
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//resize(1024, 768);
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_moving = false;
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_startPos = None;
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_freezing = false;
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// MainWindow
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_mainWindow = new MainWindow(device_manager, open_file_name, this);
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_mainWindow->setWindowFlags(Qt::Widget);
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// Title
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_titleBar = new toolbars::TitleBar(true, this);
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_titleBar->installEventFilter(this);
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_titleBar->setTitle(_mainWindow->windowTitle());
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QVBoxLayout *vbox = new QVBoxLayout();
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vbox->setMargin(0);
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vbox->setSpacing(0);
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vbox->addWidget(_titleBar);
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vbox->addWidget(_mainWindow);
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_top_left = new widgets::Border (TopLeft, this);
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_top_left->setFixedSize(Margin, Margin);
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_top_left->installEventFilter(this);
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_top = new widgets::Border (Top, this);
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_top->setFixedHeight(Margin);
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_top->installEventFilter(this);
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_top_right = new widgets::Border (TopRight, this);
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_top_right->setFixedSize(Margin, Margin);
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_top_right->installEventFilter(this);
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_left = new widgets::Border (Left, this);
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_left->setFixedWidth(Margin);
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_left->installEventFilter(this);
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_right = new widgets::Border (Right, this);
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_right->setFixedWidth(Margin);
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_right->installEventFilter(this);
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_bottom_left = new widgets::Border (BottomLeft, this);
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_bottom_left->setFixedSize(Margin, Margin);
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_bottom_left->installEventFilter(this);
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_bottom = new widgets::Border (Bottom, this);
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_bottom->setFixedHeight(Margin);
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_bottom->installEventFilter(this);
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_bottom_right = new widgets::Border (BottomRight, this);
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_bottom_right->setFixedSize(Margin, Margin);
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_bottom_right->installEventFilter(this);
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_layout = new QGridLayout(this);
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_layout->setMargin(0);
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_layout->setSpacing(0);
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_layout->addWidget(_top_left, 0, 0);
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_layout->addWidget(_top, 0, 1);
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_layout->addWidget(_top_right, 0, 2);
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_layout->addWidget(_left, 1, 0);
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_layout->addLayout(vbox, 1, 1);
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_layout->addWidget(_right, 1, 2);
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_layout->addWidget(_bottom_left, 2, 0);
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_layout->addWidget(_bottom, 2, 1);
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_layout->addWidget(_bottom_right, 2, 2);
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connect(&_timer, SIGNAL(timeout()), this, SLOT(unfreezing()));
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}
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bool MainFrame::close()
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{
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_mainWindow->session_save();
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return QFrame::close();
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}
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void MainFrame::unfreezing()
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{
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_freezing = false;
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}
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void MainFrame::hide_border()
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{
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_top_left->setVisible(false);
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_top_right->setVisible(false);
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_top->setVisible(false);
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_left->setVisible(false);
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_right->setVisible(false);
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_bottom_left->setVisible(false);
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_bottom->setVisible(false);
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_bottom_right->setVisible(false);
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}
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void MainFrame::show_border()
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{
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_top_left->setVisible(true);
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_top_right->setVisible(true);
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_top->setVisible(true);
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_left->setVisible(true);
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_right->setVisible(true);
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_bottom_left->setVisible(true);
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_bottom->setVisible(true);
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_bottom_right->setVisible(true);
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}
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void MainFrame::showNormal()
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{
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show_border();
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QFrame::showNormal();
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}
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void MainFrame::showMaximized()
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{
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hide_border();
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QFrame::showMaximized();
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}
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bool MainFrame::eventFilter(QObject *object, QEvent *event)
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{
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const QEvent::Type type = event->type();
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const QMouseEvent *const mouse_event = (QMouseEvent*)event;
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int newWidth;
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int newHeight;
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int newLeft;
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int newTop;
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if (type == QEvent::MouseMove && !isMaximized()) {
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if (!(mouse_event->buttons() || Qt::NoButton)) {
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if (object == _top_left) {
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_startPos = TopLeft;
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setCursor(Qt::SizeFDiagCursor);
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} else if (object == _bottom_right) {
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_startPos = BottomRight;
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setCursor(Qt::SizeFDiagCursor);
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} else if (object == _top_right) {
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_startPos = TopRight;
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setCursor(Qt::SizeBDiagCursor);
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} else if (object == _bottom_left) {
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_startPos = BottomLeft;
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setCursor(Qt::SizeBDiagCursor);
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} else if (object == _left) {
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_startPos = Left;
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setCursor(Qt::SizeHorCursor);
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} else if (object == _right) {
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_startPos = Right;
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setCursor(Qt::SizeHorCursor);
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} else if (object == _bottom) {
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_startPos = Bottom;
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setCursor(Qt::SizeVerCursor);
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} else if (object == _top) {
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_startPos = Top;
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setCursor(Qt::SizeVerCursor);
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} else {
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_startPos = None;
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setCursor(Qt::ArrowCursor);
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}
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} else if(mouse_event->buttons().testFlag(Qt::LeftButton)) {
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if (_moving) {
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this->move(mouse_event->globalPos() - _lastMousePosition);
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} else if (!_freezing){
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switch (_startPos) {
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case TopLeft:
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newWidth = std::max(_dragStartGeometry.right() - mouse_event->globalX(), minimumWidth());
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newHeight = std::max(_dragStartGeometry.bottom() - mouse_event->globalY(), minimumHeight());
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newLeft = geometry().left();
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newTop = geometry().top();
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if (newWidth > minimumWidth())
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newLeft = mouse_event->globalX();
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if (newHeight > minimumHeight())
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newTop = mouse_event->globalY();
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setGeometry(newLeft, newTop,
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newWidth, newHeight);
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break;
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case BottomLeft:
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newWidth = std::max(_dragStartGeometry.right() - mouse_event->globalX(), minimumWidth());
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newHeight = std::max(mouse_event->globalY() - _dragStartGeometry.top(), minimumHeight());
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newLeft = geometry().left();
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if (newWidth > minimumWidth())
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newLeft = mouse_event->globalX();
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setGeometry(newLeft, _dragStartGeometry.top(),
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newWidth, newHeight);
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break;
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case TopRight:
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newWidth = std::max(mouse_event->globalX() - _dragStartGeometry.left(), minimumWidth());
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newHeight = std::max(_dragStartGeometry.bottom() - mouse_event->globalY(), minimumHeight());
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newTop = geometry().top();
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if (newHeight > minimumHeight())
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newTop = mouse_event->globalY();
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setGeometry(_dragStartGeometry.left(), newTop,
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newWidth, newHeight);
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break;
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case BottomRight:
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newWidth = std::max(mouse_event->globalX() - _dragStartGeometry.left(), minimumWidth());
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newHeight = std::max(mouse_event->globalY() - _dragStartGeometry.top(), minimumHeight());
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setGeometry(_dragStartGeometry.left(), _dragStartGeometry.top(),
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newWidth, newHeight);
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break;
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case Left:
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newWidth = _dragStartGeometry.right() - mouse_event->globalX();
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if (newWidth > minimumWidth())
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setGeometry(mouse_event->globalX(), _dragStartGeometry.top(),
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newWidth, height());
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break;
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case Right:
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newWidth = mouse_event->globalX() - _dragStartGeometry.left();
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if (newWidth > minimumWidth())
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setGeometry(_dragStartGeometry.left(), _dragStartGeometry.top(),
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newWidth, height());
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break;
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case Top:
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newHeight = _dragStartGeometry.bottom() - mouse_event->globalY();
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if (newHeight > minimumHeight())
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setGeometry(_dragStartGeometry.left(), mouse_event->globalY(),
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width(), newHeight);
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break;
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case Bottom:
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newHeight = mouse_event->globalY() - _dragStartGeometry.top();
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if (newHeight > minimumHeight())
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setGeometry(_dragStartGeometry.left(), _dragStartGeometry.top(),
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width(), newHeight);
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break;
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default:
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break;
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}
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_freezing = true;
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}
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return true;
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}
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} else if (type == QEvent::MouseButtonPress) {
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if (mouse_event->button() == Qt::LeftButton)
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if (_titleBar->rect().contains(mouse_event->pos()) &&
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_startPos == None) {
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_moving = true;
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_lastMousePosition = mouse_event->pos() +
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QPoint(Margin, Margin) +
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QPoint(geometry().left() - frameGeometry().left(), frameGeometry().right() - geometry().right());
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}
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if (_startPos != None)
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_draging = true;
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_timer.start(50);
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_dragStartGeometry = geometry();
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} else if (type == QEvent::MouseButtonRelease) {
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if (mouse_event->button() == Qt::LeftButton) {
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_moving = false;
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_draging = false;
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_timer.stop();
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}
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} else if (!_draging && type == QEvent::Leave) {
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_startPos = None;
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setCursor(Qt::ArrowCursor);
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} else if (type == QEvent::Resize) {
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if (isMaximized()) {
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hide_border();
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} else {
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show_border();
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}
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_titleBar->setRestoreButton(isMaximized());
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_layout->update();
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}
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return QObject::eventFilter(object, event);
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}
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} // namespace pv
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