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sdrangel/sdrgui/gui/workspace.cpp

1129 wiersze
36 KiB
C++
Czysty Wina Historia

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2022 F4EXB //
// written by Edouard Griffiths //
// //
// 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 as 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 V3 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 <algorithm>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QStyle>
#include <QMdiArea>
#include <QMdiSubWindow>
#include <QFrame>
#include <QDebug>
#include <QApplication>
#include <QMenu>
#include <QAction>
#include "gui/samplingdevicedialog.h"
#include "gui/rollupcontents.h"
#include "gui/buttonswitch.h"
#include "gui/crightclickenabler.h"
#include "channel/channelgui.h"
#include "feature/featuregui.h"
#include "device/devicegui.h"
#include "device/deviceset.h"
#include "mainspectrum/mainspectrumgui.h"
#include "workspace.h"
#include "maincore.h"
Workspace::Workspace(int index, QWidget *parent, Qt::WindowFlags flags) :
QDockWidget(parent, flags),
m_index(index),
m_menuButton(nullptr),
m_featureAddDialog(this),
m_stacking(false),
m_autoStack(false),
m_userChannelMinWidth(0),
m_autoStackChannelMinWidth(0)
{
m_mdi = new QMdiArea(this);
m_mdi->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
m_mdi->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
setWidget(m_mdi);
setWindowTitle(tr("W%1").arg(m_index));
setObjectName(tr("W%1").arg(m_index));
m_titleBar = new QWidget();
m_titleBarLayout = new QHBoxLayout();
m_titleBarLayout->setContentsMargins(QMargins());
m_titleBar->setLayout(m_titleBarLayout);
m_titleLabel = new QLabel();
m_titleLabel->setFixedSize(32, 16);
m_titleLabel->setStyleSheet("QLabel { background-color: rgb(128, 128, 128); qproperty-alignment: AlignCenter; }");
m_titleLabel->setText(windowTitle());
#ifdef ANDROID
m_menuButton = new QToolButton();
QIcon menuIcon(":/listing.png");
m_menuButton->setIcon(menuIcon);
m_menuButton->setFixedSize(20, 20);
m_menuButton->setPopupMode(QToolButton::InstantPopup);
#endif
m_configurationPresetsButton = new QPushButton();
QIcon configurationPresetsIcon(":/star.png");
m_configurationPresetsButton->setIcon(configurationPresetsIcon);
m_configurationPresetsButton->setToolTip("Configuration presets");
m_configurationPresetsButton->setFixedSize(20, 20);
m_startStopButton = new ButtonSwitch();
m_startStopButton->setCheckable(true);
updateStartStopButton(false);
m_startStopButton->setFixedSize(20, 20);
m_vline1 = new QFrame();
m_vline1->setFrameShape(QFrame::VLine);
m_vline1->setFrameShadow(QFrame::Sunken);
m_addRxDeviceButton = new QPushButton();
QIcon addRxIcon(":/rx.png");
m_addRxDeviceButton->setIcon(addRxIcon);
m_addRxDeviceButton->setToolTip("Add Rx device");
m_addRxDeviceButton->setFixedSize(20, 20);
m_addTxDeviceButton = new QPushButton();
QIcon addTxIcon(":/tx.png");
m_addTxDeviceButton->setIcon(addTxIcon);
m_addTxDeviceButton->setToolTip("Add Tx device");
m_addTxDeviceButton->setFixedSize(20, 20);
m_addMIMODeviceButton = new QPushButton();
QIcon addMIMOIcon(":/mimo.png");
m_addMIMODeviceButton->setIcon(addMIMOIcon);
m_addMIMODeviceButton->setToolTip("Add MIMO device");
m_addMIMODeviceButton->setFixedSize(20, 20);
m_vline2 = new QFrame();
m_vline2->setFrameShape(QFrame::VLine);
m_vline2->setFrameShadow(QFrame::Sunken);
m_addFeatureButton = new QPushButton();
QIcon addFeatureIcon(":/tool_add.png");
m_addFeatureButton->setIcon(addFeatureIcon);
m_addFeatureButton->setToolTip("Add features");
m_addFeatureButton->setFixedSize(20, 20);
m_featurePresetsButton = new QPushButton();
QIcon presetsIcon(":/tool_star.png");
m_featurePresetsButton->setIcon(presetsIcon);
m_featurePresetsButton->setToolTip("Feature presets");
m_featurePresetsButton->setFixedSize(20, 20);
m_vline3 = new QFrame();
m_vline3->setFrameShape(QFrame::VLine);
m_vline3->setFrameShadow(QFrame::Sunken);
m_cascadeSubWindows = new QPushButton();
QIcon cascadeSubWindowsIcon(":/cascade.png");
m_cascadeSubWindows->setIcon(cascadeSubWindowsIcon);
m_cascadeSubWindows->setToolTip("Cascade sub windows");
m_cascadeSubWindows->setFixedSize(20, 20);
m_tileSubWindows = new QPushButton();
QIcon tileSubWindowsIcon(":/tiles.png");
m_tileSubWindows->setIcon(tileSubWindowsIcon);
m_tileSubWindows->setToolTip("Tile sub windows");
m_tileSubWindows->setFixedSize(20, 20);
m_stackVerticalSubWindows = new QPushButton();
QIcon stackVerticalSubWindowsIcon(":/stackvertical.png");
m_stackVerticalSubWindows->setIcon(stackVerticalSubWindowsIcon);
m_stackVerticalSubWindows->setToolTip("Stack sub windows vertically");
m_stackVerticalSubWindows->setFixedSize(20, 20);
m_stackSubWindows = new QPushButton();
QIcon stackSubWindowsIcon(":/stackcolumns.png");
m_stackSubWindows->setIcon(stackSubWindowsIcon);
m_stackSubWindows->setToolTip("Stack sub windows in columns. Right click to stack automatically.");
m_stackSubWindows->setFixedSize(20, 20);
CRightClickEnabler *stackSubWindowsRightClickEnabler = new CRightClickEnabler(m_stackSubWindows);
connect(stackSubWindowsRightClickEnabler, &CRightClickEnabler::rightClick, this, &Workspace::autoStackSubWindows);
m_tabSubWindows = new ButtonSwitch();
QIcon tabSubWindowsIcon(":/tab.png");
m_tabSubWindows->setIcon(tabSubWindowsIcon);
m_tabSubWindows->setCheckable(true);
m_tabSubWindows->setToolTip("Display sub windows in tabs");
m_tabSubWindows->setFixedSize(20, 20);
m_normalButton = new QPushButton();
QIcon normalIcon(":/dock.png");
m_normalButton->setIcon(normalIcon);
m_normalButton->setToolTip("Dock/undock");
m_normalButton->setFixedSize(20, 20);
m_closeButton = new QPushButton();
QIcon closeIcon(":/hide.png");
m_closeButton->setIcon(closeIcon);
m_closeButton->setToolTip("Hide workspace");
m_closeButton->setFixedSize(20, 20);
m_titleBarLayout->addWidget(m_titleLabel);
if (m_menuButton) {
m_titleBarLayout->addWidget(m_menuButton);
}
m_titleBarLayout->addWidget(m_configurationPresetsButton);
m_titleBarLayout->addWidget(m_startStopButton);
m_titleBarLayout->addWidget(m_vline1);
m_titleBarLayout->addWidget(m_addRxDeviceButton);
m_titleBarLayout->addWidget(m_addTxDeviceButton);
m_titleBarLayout->addWidget(m_addMIMODeviceButton);
m_titleBarLayout->addWidget(m_vline2);
m_titleBarLayout->addWidget(m_addFeatureButton);
m_titleBarLayout->addWidget(m_featurePresetsButton);
m_titleBarLayout->addWidget(m_vline3);
m_titleBarLayout->addWidget(m_cascadeSubWindows);
m_titleBarLayout->addWidget(m_tileSubWindows);
m_titleBarLayout->addWidget(m_stackVerticalSubWindows);
m_titleBarLayout->addWidget(m_stackSubWindows);
m_titleBarLayout->addWidget(m_tabSubWindows);
m_titleBarLayout->addStretch(1);
#ifndef ANDROID
// Can't undock on Android, as windows don't have title bars to allow them to be moved
m_titleBarLayout->addWidget(m_normalButton);
// Don't allow workspaces to be hidden on Android, as if all are hidden, they'll
// be no way to redisplay them, as we currently don't have a main menu bar
m_titleBarLayout->addWidget(m_closeButton);
#else
setFeatures(QDockWidget::NoDockWidgetFeatures);
#endif
setTitleBarWidget(m_titleBar);
QObject::connect(
m_addRxDeviceButton,
&QPushButton::clicked,
this,
&Workspace::addRxDeviceClicked
);
QObject::connect(
m_addTxDeviceButton,
&QPushButton::clicked,
this,
&Workspace::addTxDeviceClicked
);
QObject::connect(
m_addMIMODeviceButton,
&QPushButton::clicked,
this,
&Workspace::addMIMODeviceClicked
);
QObject::connect(
m_addFeatureButton,
&QPushButton::clicked,
this,
&Workspace::addFeatureDialog
);
QObject::connect(
m_featurePresetsButton,
&QPushButton::clicked,
this,
&Workspace::featurePresetsDialog
);
QObject::connect(
m_configurationPresetsButton,
&QPushButton::clicked,
this,
&Workspace::configurationPresetsDialog
);
QObject::connect(
m_cascadeSubWindows,
&QPushButton::clicked,
this,
&Workspace::cascadeSubWindows
);
QObject::connect(
m_tileSubWindows,
&QPushButton::clicked,
this,
&Workspace::tileSubWindows
);
QObject::connect(
m_stackVerticalSubWindows,
&QPushButton::clicked,
this,
&Workspace::stackVerticalSubWindows
);
QObject::connect(
m_stackSubWindows,
&QPushButton::clicked,
this,
&Workspace::stackSubWindows
);
QObject::connect(
m_startStopButton,
&ButtonSwitch::clicked,
this,
&Workspace::startStopClicked
);
QObject::connect(
m_tabSubWindows,
&QPushButton::clicked,
this,
&Workspace::tabSubWindows
);
QObject::connect(
m_normalButton,
&QPushButton::clicked,
this,
&Workspace::toggleFloating
);
connect(m_closeButton, SIGNAL(clicked()), this, SLOT(hide()));
QObject::connect(
&m_featureAddDialog,
&FeatureAddDialog::addFeature,
this,
&Workspace::addFeatureEmitted
);
QObject::connect(
MainCore::instance(),
&MainCore::deviceStateChanged,
this,
&Workspace::deviceStateChanged
);
QObject::connect(
m_mdi,
&QMdiArea::subWindowActivated,
this,
&Workspace::subWindowActivated
);
#ifdef ANDROID
m_tabSubWindows->setChecked(true);
tabSubWindows();
#endif
}
Workspace::~Workspace()
{
qDebug("Workspace::~Workspace");
delete m_closeButton;
delete m_normalButton;
delete m_tabSubWindows;
delete m_stackSubWindows;
delete m_stackVerticalSubWindows;
delete m_tileSubWindows;
delete m_cascadeSubWindows;
delete m_vline3;
delete m_vline2;
delete m_vline1;
delete m_startStopButton;
delete m_configurationPresetsButton;
delete m_menuButton;
delete m_addRxDeviceButton;
delete m_addTxDeviceButton;
delete m_addMIMODeviceButton;
delete m_addFeatureButton;
delete m_featurePresetsButton;
delete m_titleLabel;
delete m_titleBarLayout;
delete m_titleBar;
qDebug("Workspace::~Workspace: about to delete MDI");
delete m_mdi;
qDebug("Workspace::~Workspace: end");
}
void Workspace::setIndex(int index)
{
m_index = index;
setWindowTitle(tr("W%1").arg(m_index));
setObjectName(tr("W%1").arg(m_index));
m_titleLabel->setText(windowTitle());
}
QList<QMdiSubWindow *> Workspace::getSubWindowList() const
{
return m_mdi->subWindowList();
}
void Workspace::toggleFloating()
{
setFloating(!isFloating());
}
void Workspace::addRxDeviceClicked()
{
SamplingDeviceDialog dialog(0, this);
if (dialog.exec() == QDialog::Accepted) {
emit addRxDevice(this, dialog.getSelectedDeviceIndex());
}
}
void Workspace::addTxDeviceClicked()
{
SamplingDeviceDialog dialog(1, this);
if (dialog.exec() == QDialog::Accepted) {
emit addTxDevice(this, dialog.getSelectedDeviceIndex());
}
}
void Workspace::addMIMODeviceClicked()
{
SamplingDeviceDialog dialog(2, this);
if (dialog.exec() == QDialog::Accepted) {
emit addMIMODevice(this, dialog.getSelectedDeviceIndex());
}
}
void Workspace::addFeatureDialog()
{
m_featureAddDialog.exec();
}
void Workspace::addFeatureEmitted(int featureIndex)
{
if (featureIndex >= 0) {
emit addFeature(this, featureIndex);
}
}
void Workspace::featurePresetsDialog()
{
QPoint p = mapFromGlobal(QCursor::pos());
emit featurePresetsDialogRequested(p, this);
}
void Workspace::configurationPresetsDialog()
{
emit configurationPresetsDialogRequested();
}
void Workspace::cascadeSubWindows()
{
setAutoStackOption(false);
m_tabSubWindows->setChecked(false);
m_mdi->setViewMode(QMdiArea::SubWindowView);
m_mdi->cascadeSubWindows();
}
void Workspace::tileSubWindows()
{
setAutoStackOption(false);
m_tabSubWindows->setChecked(false);
m_mdi->setViewMode(QMdiArea::SubWindowView);
m_mdi->tileSubWindows();
}
void Workspace::stackVerticalSubWindows()
{
setAutoStackOption(false);
unmaximizeSubWindows();
m_mdi->setViewMode(QMdiArea::SubWindowView);
// Spacing between windows
const int spacing = 2;
// Categorise windows according to type and calculate min size needed
QList<QMdiSubWindow *> windows = m_mdi->subWindowList(QMdiArea::CreationOrder);
QList<DeviceGUI *> devices;
QList<MainSpectrumGUI *> spectrums;
QList<ChannelGUI *> channels;
QList<FeatureGUI *> features;
int minHeight = 0;
int minWidth = 0;
int nonFixedWindows = 0;
for (auto window : windows)
{
if (window->isVisible() && !window->isMaximized())
{
if (window->inherits("DeviceGUI")) {
devices.append(qobject_cast<DeviceGUI *>(window));
} else if (window->inherits("MainSpectrumGUI")) {
spectrums.append(qobject_cast<MainSpectrumGUI *>(window));
} else if (window->inherits("ChannelGUI")) {
channels.append(qobject_cast<ChannelGUI *>(window));
} else if (window->inherits("FeatureGUI")) {
features.append(qobject_cast<FeatureGUI *>(window));
}
minHeight += window->minimumSizeHint().height() + spacing;
minWidth = std::max(minWidth, window->minimumSizeHint().width());
if (window->sizePolicy().verticalPolicy() != QSizePolicy::Fixed) {
nonFixedWindows++;
}
}
}
// Order windows by device/feature/channel index
orderByIndex(devices);
orderByIndex(spectrums);
orderByIndex(channels);
orderByIndex(features);
// Will we need scroll bars?
QSize mdiSize = m_mdi->size();
bool requiresHScrollBar = minWidth > mdiSize.width();
bool requiresVScrollBar = minHeight > mdiSize.height();
// Reduce available size if scroll bars needed
int sbWidth = qApp->style()->pixelMetric(QStyle::PM_ScrollBarExtent);
if (requiresVScrollBar) {
mdiSize.setWidth(mdiSize.width() - sbWidth);
}
if (requiresHScrollBar) {
mdiSize.setHeight(mdiSize.height() - sbWidth);
}
// Calculate spare vertical space, to be shared between non-fixed windows
int spareSpacePerWindow;
if (requiresVScrollBar || (nonFixedWindows == 0)) {
spareSpacePerWindow = 0;
} else {
spareSpacePerWindow = (mdiSize.height() - minHeight) / nonFixedWindows;
}
// Now position the windows
int x = 0;
int y = 0;
for (auto window : devices)
{
window->move(x, y);
y += window->size().height() + spacing;
}
for (auto window : spectrums)
{
window->move(x, y);
window->resize(mdiSize.width(), window->minimumSizeHint().height() + spareSpacePerWindow);
y += window->size().height() + spacing;
}
for (auto window : channels)
{
window->move(x, y);
int extra = (window->sizePolicy().verticalPolicy() == QSizePolicy::Fixed) ? 0 : spareSpacePerWindow;
window->resize(mdiSize.width(), window->minimumSizeHint().height() + extra);
y += window->size().height() + spacing;
}
for (auto window : features)
{
window->move(x, y);
int extra = (window->sizePolicy().verticalPolicy() == QSizePolicy::Fixed) ? 0 : spareSpacePerWindow;
window->resize(mdiSize.width(), window->minimumSizeHint().height() + extra);
y += window->size().height() + spacing;
}
}
void Workspace::orderByIndex(QList<ChannelGUI *> &list)
{
std::sort(list.begin(), list.end(),
[](const ChannelGUI *a, const ChannelGUI *b) -> bool
{
if (a->getDeviceSetIndex() == b->getDeviceSetIndex()) {
return a->getIndex() < b->getIndex();
} else {
return a->getDeviceSetIndex() < b->getDeviceSetIndex();
}
});
}
void Workspace::orderByIndex(QList<FeatureGUI *> &list)
{
std::sort(list.begin(), list.end(),
[](const FeatureGUI *a, const FeatureGUI *b) -> bool
{
return a->getIndex() < b->getIndex();
});
}
void Workspace::orderByIndex(QList<DeviceGUI *> &list)
{
std::sort(list.begin(), list.end(),
[](const DeviceGUI *a, const DeviceGUI *b) -> bool
{
return a->getIndex() < b->getIndex();
});
}
void Workspace::orderByIndex(QList<MainSpectrumGUI *> &list)
{
std::sort(list.begin(), list.end(),
[](const MainSpectrumGUI *a, const MainSpectrumGUI *b) -> bool
{
return a->getIndex() < b->getIndex();
});
}
void Workspace::unmaximizeSubWindows()
{
if (m_tabSubWindows->isChecked())
{
m_tabSubWindows->setChecked(false);
// Unmaximize any maximized windows
QList<QMdiSubWindow *> windows = m_mdi->subWindowList(QMdiArea::CreationOrder);
for (auto window : windows)
{
if (window->isMaximized()) {
window->showNormal();
}
}
}
}
// Try to arrange windows somewhat like in earlier versions of SDRangel
// Devices and fixed size features stacked on left
// Spectrum and expandable features stacked in centre
// Channels stacked on right
void Workspace::stackSubWindows()
{
unmaximizeSubWindows();
// Set a flag so event handler knows if it's this code or the user that
// resizes a window
m_stacking = true;
m_mdi->setViewMode(QMdiArea::SubWindowView);
// Categorise windows according to type
QList<QMdiSubWindow *> windows = m_mdi->subWindowList(QMdiArea::CreationOrder);
QList<DeviceGUI *> devices;
QList<MainSpectrumGUI *> spectrums;
QList<ChannelGUI *> channels;
QList<FeatureGUI *> fixedFeatures;
QList<FeatureGUI *> features;
for (auto window : windows)
{
if (window->isVisible() && !window->isMaximized())
{
if (window->inherits("DeviceGUI")) {
devices.append(qobject_cast<DeviceGUI *>(window));
} else if (window->inherits("MainSpectrumGUI")) {
spectrums.append(qobject_cast<MainSpectrumGUI *>(window));
} else if (window->inherits("ChannelGUI")) {
channels.append(qobject_cast<ChannelGUI *>(window));
} else if (window->inherits("FeatureGUI")) {
if (window->sizePolicy().verticalPolicy() == QSizePolicy::Fixed) { // Test vertical, as horizontal can be adjusted a little bit
fixedFeatures.append(qobject_cast<FeatureGUI *>(window));
} else {
features.append(qobject_cast<FeatureGUI *>(window));
}
}
}
}
// Order windows by device/feature/channel index
orderByIndex(devices);
orderByIndex(spectrums);
orderByIndex(channels);
orderByIndex(fixedFeatures);
orderByIndex(features);
// Spacing between windows
const int spacing = 2;
// Shrink devices to minimum size, in case they have been maximized
for (auto window : devices)
{
QSize size = window->minimumSizeHint();
size = size.expandedTo(window->minimumSize());
window->resize(size);
}
// Calculate width and height needed for devices
int deviceMinWidth = 0;
int deviceTotalMinHeight = 0;
for (auto window : devices)
{
int winMinWidth = std::max(window->minimumSizeHint().width(), window->minimumWidth());
deviceMinWidth = std::max(deviceMinWidth, winMinWidth);
deviceTotalMinHeight += window->minimumSizeHint().height() + spacing;
}
// Calculate width & height needed for spectrums
int spectrumMinWidth = 0;
int spectrumTotalMinHeight = 0;
int expandingSpectrums = 0;
for (auto window : spectrums)
{
int winMinWidth = std::max(window->minimumSizeHint().width(), window->minimumWidth());
spectrumMinWidth = std::max(spectrumMinWidth, winMinWidth);
int winMinHeight = std::max(window->minimumSizeHint().height(), window->minimumSize().height());
spectrumTotalMinHeight += winMinHeight + spacing;
expandingSpectrums++;
}
// Restrict user defined channel width, to width of largest channel
if (channels.size() == 0)
{
m_userChannelMinWidth = 0;
}
else
{
int channelMaxWidth = 0;
for (auto window : channels) {
channelMaxWidth = std::max(channelMaxWidth, window->maximumWidth());
}
m_userChannelMinWidth = std::min(m_userChannelMinWidth, channelMaxWidth);
}
// Calculate width & height needed for channels
int channelMinWidth = m_userChannelMinWidth;
int channelTotalMinHeight = 0;
int expandingChannels = 0;
for (auto window : channels)
{
int winMinWidth = std::max(window->minimumSizeHint().width(), window->minimumWidth());
channelMinWidth = std::max(channelMinWidth, winMinWidth);
channelTotalMinHeight += window->minimumSizeHint().height() + spacing;
if (window->sizePolicy().verticalPolicy() == QSizePolicy::Expanding) {
expandingChannels++;
}
}
// Calculate width & height needed for features
// These are spilt in to two groups - fixed size and expandable
int fixedFeaturesWidth = 0;
int fixedFeaturesTotalMinHeight = 0;
int featuresMinWidth = 0;
int featuresTotalMinHeight = 0;
int expandingFeatures = 0;
for (auto window : fixedFeatures)
{
int winMinWidth = std::max(window->minimumSizeHint().width(), window->minimumWidth());
fixedFeaturesWidth = std::max(fixedFeaturesWidth, winMinWidth);
fixedFeaturesTotalMinHeight += window->minimumSizeHint().height() + spacing;
}
for (auto window : features)
{
int winMinWidth = std::max(window->minimumSizeHint().width(), window->minimumWidth());
featuresMinWidth = std::max(featuresMinWidth, winMinWidth);
featuresTotalMinHeight += window->minimumSizeHint().height() + spacing;
expandingFeatures++;
}
// Calculate width for left hand column
int devicesFeaturesWidth = std::max(deviceMinWidth, fixedFeaturesWidth);
// Calculate min width for centre column
int spectrumFeaturesMinWidth = std::max(spectrumMinWidth, featuresMinWidth);
// Calculate spacing between columns
int spacing1 = devicesFeaturesWidth > 0 ? spacing : 0;
int spacing2 = spectrumFeaturesMinWidth > 0 ? spacing : 0;
// Will we need scroll bars?
QSize mdiSize = m_mdi->size();
int minWidth = devicesFeaturesWidth + spacing1 + spectrumFeaturesMinWidth + spacing2 + channelMinWidth;
int minHeight = std::max(std::max(deviceTotalMinHeight + fixedFeaturesTotalMinHeight, channelTotalMinHeight), spectrumTotalMinHeight + featuresTotalMinHeight);
bool requiresHScrollBar = minWidth > mdiSize.width();
bool requiresVScrollBar = minHeight > mdiSize.height();
// Reduce available size if scroll bars needed
int sbWidth = qApp->style()->pixelMetric(QStyle::PM_ScrollBarExtent);
if (requiresVScrollBar) {
mdiSize.setWidth(mdiSize.width() - sbWidth);
}
if (requiresHScrollBar) {
mdiSize.setHeight(mdiSize.height() - sbWidth);
}
// If no spectrum/features, expand channels
if ((spectrumFeaturesMinWidth == 0) && expandingChannels > 0) {
channelMinWidth = mdiSize.width() - devicesFeaturesWidth - spacing1;
}
// Save min width, for use in resize event handling
m_autoStackChannelMinWidth = channelMinWidth;
// Now position the windows
int x = 0;
int y = 0;
// Put devices down left hand side
for (auto window : devices)
{
window->move(x, y);
y += window->size().height() + spacing;
}
// Put fixed height features underneath devices
// Resize them to be same width
for (auto window : fixedFeatures)
{
window->move(x, y);
window->resize(devicesFeaturesWidth, window->size().height());
y += window->size().height() + spacing;
}
// Calculate width needed for spectrum and features in the centre - use all available space
int spectrumFeaturesWidth = std::max(mdiSize.width() - channelMinWidth - devicesFeaturesWidth - spacing1 - spacing2, spectrumFeaturesMinWidth);
// Put channels on right hand side
// Try to resize them horizontally so they are the same width
// Share any available vertical space between expanding channels
x = devicesFeaturesWidth + spacing1 + spectrumFeaturesWidth + spacing2;
y = 0;
int extraSpacePerWindow;
int extraSpaceFirstWindow;
if ((channelTotalMinHeight < mdiSize.height()) && (expandingChannels > 0))
{
extraSpacePerWindow = (mdiSize.height() - channelTotalMinHeight) / expandingChannels;
extraSpaceFirstWindow = (mdiSize.height() - channelTotalMinHeight) % expandingChannels;
}
else
{
extraSpacePerWindow = 0;
extraSpaceFirstWindow = 0;
}
for (auto window : channels)
{
window->move(x, y);
int channelHeight = window->minimumSizeHint().height();
if (window->sizePolicy().verticalPolicy() == QSizePolicy::Expanding)
{
channelHeight += extraSpacePerWindow + extraSpaceFirstWindow;
extraSpaceFirstWindow = 0;
}
window->resize(channelMinWidth, channelHeight);
y += window->size().height() + spacing;
}
// Split remaining space in the middle between spectrums and expandable features, with spectrums stacked on top
x = devicesFeaturesWidth + spacing1;
y = 0;
if ((spectrumTotalMinHeight + featuresTotalMinHeight < mdiSize.height()) && (expandingSpectrums + expandingFeatures > 0))
{
int h = mdiSize.height() - spectrumTotalMinHeight - featuresTotalMinHeight;
int f = expandingSpectrums + expandingFeatures;
extraSpacePerWindow = h / f;
extraSpaceFirstWindow = h % f;
}
else
{
extraSpacePerWindow = 0;
extraSpaceFirstWindow = 0;
}
for (auto window : spectrums)
{
window->move(x, y);
int w = spectrumFeaturesWidth;
int minHeight = std::max(window->minimumSizeHint().height(), window->minimumSize().height());
int h = minHeight + extraSpacePerWindow + extraSpaceFirstWindow;
window->resize(w, h);
extraSpaceFirstWindow = 0;
y += window->size().height() + spacing;
}
for (auto window : features)
{
window->move(x, y);
int w = spectrumFeaturesWidth;
int h = window->minimumSizeHint().height() + extraSpacePerWindow + extraSpaceFirstWindow;
window->resize(w, h);
extraSpaceFirstWindow = 0;
y += window->size().height() + spacing;
}
m_stacking = false;
}
void Workspace::autoStackSubWindows(const QPoint&)
{
setAutoStackOption(!m_autoStack);
}
void Workspace::tabSubWindows()
{
if (m_tabSubWindows->isChecked())
{
// Disable autostack
setAutoStackOption(false);
// Move sub windows out of view, so they can't be seen next to a non-expandible window
// Perhaps there's a better way to do this - showMinimized didn't work
QList<QMdiSubWindow *> windows = m_mdi->subWindowList(QMdiArea::CreationOrder);
for (auto window : windows)
{
if ((window != m_mdi->activeSubWindow()) && ((window->x() != 5000) || (window->y() != 0))) {
window->move(5000, 0);
}
}
m_mdi->setViewMode(QMdiArea::TabbedView);
}
else
{
m_mdi->setViewMode(QMdiArea::SubWindowView);
}
}
void Workspace::subWindowActivated(QMdiSubWindow *activatedWindow)
{
if (activatedWindow && m_tabSubWindows->isChecked())
{
// Move other windows out of the way
QList<QMdiSubWindow *> windows = m_mdi->subWindowList(QMdiArea::CreationOrder);
for (auto window : windows)
{
if ((window != activatedWindow) && ((window->x() != 5000) || (window->y() != 0))) {
window->move(5000, 0);
} else if ((window == activatedWindow) && ((window->x() != 0) || (window->y() != 0))) {
window->move(0, 0);
}
}
}
}
void Workspace::layoutSubWindows()
{
if (m_autoStack) {
stackSubWindows();
}
}
// Start/stop all devices in workspace
void Workspace::startStopClicked(bool checked)
{
if (!checked) {
emit stopAllDevices(this);
} else {
emit startAllDevices(this);
}
updateStartStopButton(checked);
}
void Workspace::updateStartStopButton(bool checked)
{
if (!checked)
{
QIcon startIcon(":/play.png");
m_startStopButton->setIcon(startIcon);
m_startStopButton->setStyleSheet("QToolButton { background-color : blue; }");
m_startStopButton->setToolTip("Start all devices in workspace");
}
else
{
QIcon stopIcon(":/stop.png");
m_startStopButton->setIcon(stopIcon);
m_startStopButton->setStyleSheet("QToolButton { background-color : green; }");
m_startStopButton->setToolTip("Stop all devices in workspace");
}
}
void Workspace::deviceStateChanged(int, DeviceAPI *deviceAPI)
{
if (deviceAPI->getWorkspaceIndex() == m_index)
{
// Check state of all devices in workspace, to see if any are running or have errors
bool running = false;
bool error = false;
std::vector<DeviceSet*> deviceSets = MainCore::instance()->getDeviceSets();
for (auto deviceSet : deviceSets)
{
DeviceAPI::EngineState state = deviceSet->m_deviceAPI->state();
if (state == DeviceAPI::StRunning) {
running = true;
} else if (state == DeviceAPI::StError) {
error = true;
}
}
// Update start/stop button to reflect current state of devices
updateStartStopButton(running);
m_startStopButton->setChecked(running);
if (error) {
m_startStopButton->setStyleSheet("QToolButton { background-color : red; }");
}
}
}
void Workspace::resizeEvent(QResizeEvent *event)
{
QDockWidget::resizeEvent(event);
layoutSubWindows();
}
void Workspace::addToMdiArea(QMdiSubWindow *sub)
{
// Add event handler to auto-stack when sub window shown or hidden
sub->installEventFilter(this);
// Can't use Close event, as it's before window is closed, so
// catch sub-window destroyed signal instead
connect(sub, &QObject::destroyed, this, &Workspace::layoutSubWindows);
m_mdi->addSubWindow(sub);
sub->show();
// Auto-stack when sub-window's widgets are rolled up
ChannelGUI *channel = qobject_cast<ChannelGUI *>(sub);
if (channel) {
connect(channel->getRollupContents(), &RollupContents::widgetRolled, this, &Workspace::layoutSubWindows);
}
FeatureGUI *feature = qobject_cast<FeatureGUI *>(sub);
if (feature) {
connect(feature->getRollupContents(), &RollupContents::widgetRolled, this, &Workspace::layoutSubWindows);
}
if (m_tabSubWindows->isChecked()) {
sub->showMaximized();
}
}
void Workspace::removeFromMdiArea(QMdiSubWindow *sub)
{
m_mdi->removeSubWindow(sub);
sub->removeEventFilter(this);
disconnect(sub, &QObject::destroyed, this, &Workspace::layoutSubWindows);
ChannelGUI *channel = qobject_cast<ChannelGUI *>(sub);
if (channel) {
disconnect(channel->getRollupContents(), &RollupContents::widgetRolled, this, &Workspace::layoutSubWindows);
}
FeatureGUI *feature = qobject_cast<FeatureGUI *>(sub);
if (feature) {
disconnect(feature->getRollupContents(), &RollupContents::widgetRolled, this, &Workspace::layoutSubWindows);
}
}
bool Workspace::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::Show)
{
QWidget *widget = qobject_cast<QWidget *>(obj);
if (!widget->isMaximized()) {
layoutSubWindows();
}
}
else if (event->type() == QEvent::Hide)
{
QWidget *widget = qobject_cast<QWidget *>(obj);
if (!widget->isMaximized()) {
layoutSubWindows();
}
}
else if (event->type() == QEvent::Resize)
{
// We try to use m_stacking to ignore resize event as the result of a resize called in stackSubWindows
// However, this isn't reliable, as sometimes the resize event arrives after stackSubWindows has finished, and so m_stacking has been cleared
// What is a better way of doing this?
if (!m_stacking && m_autoStack)
{
QWidget *widget = qobject_cast<QWidget *>(obj);
QResizeEvent *resizeEvent = static_cast<QResizeEvent *>(event);
ChannelGUI *channel = qobject_cast<ChannelGUI *>(obj);
if (channel && !widget->isMaximized())
{
// When maximizing, we can get resize event where isMaximized is false, even though it should be true,
// but we can tell as window size matches mdi size
if (m_mdi->size() != resizeEvent->size())
{
// Allow width of channels column to be set by user when they resize a channel window
// We use m_autoStackChannelMinWidth to indicate the width was set by stackSubWindows, rather than the user
int width = resizeEvent->size().width();
if (width != m_autoStackChannelMinWidth)
{
m_userChannelMinWidth = width;
stackSubWindows();
}
}
}
}
}
return QDockWidget::eventFilter(obj, event);
}
int Workspace::getNumberOfSubWindows() const
{
return m_mdi->subWindowList().size();
}
QByteArray Workspace::saveMdiGeometry()
{
return qCompress(m_mdi->saveGeometry());
}
void Workspace::restoreMdiGeometry(const QByteArray& blob)
{
m_mdi->restoreGeometry(qUncompress(blob));
m_mdi->restoreGeometry(qUncompress(blob));
}
bool Workspace::getAutoStackOption() const
{
return m_autoStack;
}
void Workspace::setAutoStackOption(bool autoStack)
{
m_autoStack = autoStack;
if (!m_autoStack)
{
m_stackSubWindows->setStyleSheet(QString("QPushButton{ background-color: %1; }")
.arg(palette().button().color().name()));
}
else
{
m_stackSubWindows->setStyleSheet(QString("QPushButton{ background-color: %1; }")
.arg(palette().highlight().color().darker(150).name()));
stackSubWindows();
}
}
bool Workspace::getTabSubWindowsOption() const
{
return m_tabSubWindows->isChecked();
}
void Workspace::setTabSubWindowsOption(bool tab)
{
m_tabSubWindows->doToggle(tab);
if (tab) {
tabSubWindows();
} else {
m_mdi->setViewMode(QMdiArea::SubWindowView);
}
}
void Workspace::adjustSubWindowsAfterRestore()
{
QList<QMdiSubWindow *> subWindowList = m_mdi->subWindowList();
for (auto& subWindow : subWindowList)
{
if ((subWindow->y() >= 20) && (subWindow->y() < 40)) {
subWindow->move(subWindow->x(), subWindow->y() - 20);
}
if (qobject_cast<ChannelGUI*>(subWindow)) {
subWindow->resize(subWindow->width(), subWindow->height() - 22);
}
if (qobject_cast<FeatureGUI*>(subWindow)) {
subWindow->resize(subWindow->width(), subWindow->height() - 8);
}
}
}
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