mirror of
https://github.com/linuxdeepin/dde-dock.git
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86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
#include "_previewcontainer.h"
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#define FIXED_WIDTH 200
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#define FIXED_HEIGHT 130
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#define SPACING 5
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#define MARGIN 5
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_PreviewContainer::_PreviewContainer(QWidget *parent)
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: QWidget(parent),
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m_wmHelper(DWindowManagerHelper::instance())
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{
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m_windowListLayout = new QBoxLayout(QBoxLayout::LeftToRight);
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m_windowListLayout->setSpacing(SPACING);
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m_windowListLayout->setContentsMargins(MARGIN, MARGIN, MARGIN, MARGIN);
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setLayout(m_windowListLayout);
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setFixedSize(FIXED_WIDTH, FIXED_HEIGHT);
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}
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void _PreviewContainer::setWindowInfos(const WindowDict &infos)
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{
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// check removed window
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for (auto it(m_snapshots.begin()); it != m_snapshots.end();)
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{
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if (!infos.contains(it.key()))
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{
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m_windowListLayout->removeWidget(it.value());
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it.value()->deleteLater();
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it = m_snapshots.erase(it);
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} else {
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++it;
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}
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}
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for (auto it(infos.cbegin()); it != infos.cend(); ++it)
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{
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if (!m_snapshots.contains(it.key()))
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appendSnapWidget(it.key());
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}
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adjustSize();
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}
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void _PreviewContainer::updateLayoutDirection(const Dock::Position dockPos)
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{
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if (m_wmHelper->hasComposite() && (dockPos == Dock::Top || dockPos == Dock::Bottom))
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m_windowListLayout->setDirection(QBoxLayout::LeftToRight);
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else
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m_windowListLayout->setDirection(QBoxLayout::TopToBottom);
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adjustSize();
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}
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void _PreviewContainer::adjustSize()
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{
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const bool horizontal = m_windowListLayout->direction() == QBoxLayout::LeftToRight;
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const int count = m_snapshots.size();
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if (!count)
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return;
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if (horizontal)
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{
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setFixedHeight(FIXED_HEIGHT + MARGIN * 2);
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setFixedWidth(FIXED_WIDTH * count + MARGIN * 2 + SPACING * (count - 1));
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} else {
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setFixedWidth(FIXED_WIDTH + MARGIN * 2);
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setFixedHeight(FIXED_HEIGHT * count + MARGIN * 2 + SPACING * (count - 1));
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}
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}
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void _PreviewContainer::appendSnapWidget(const WId wid)
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{
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AppSnapshot *snap = new AppSnapshot(wid);
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connect(snap, &AppSnapshot::clicked, this, &_PreviewContainer::requestActivateWindow, Qt::QueuedConnection);
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connect(snap, &AppSnapshot::clicked, this, &_PreviewContainer::requestCancelPreview);
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connect(snap, &AppSnapshot::clicked, this, &_PreviewContainer::requestHidePreview);
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connect(snap, &AppSnapshot::entered, this, &_PreviewContainer::requestPreviewWindow);
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m_windowListLayout->addWidget(snap);
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m_snapshots.insert(wid, snap);
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}
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