pajlada
138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
// SPDX-FileCopyrightText: 2022 Contributors to Chatterino <https://chatterino.com>
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//
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// SPDX-License-Identifier: MIT
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#include "widgets/DraggablePopup.hpp"
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#include "buttons/SvgButton.hpp"
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#include <QMouseEvent>
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#include <QWindow>
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#include <chrono>
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namespace chatterino {
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namespace {
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constexpr FlagsEnum<BaseWindow::Flags> POPUP_FLAGS{
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#ifdef Q_OS_LINUX
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BaseWindow::Dialog,
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#endif
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BaseWindow::EnableCustomFrame,
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};
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constexpr FlagsEnum<BaseWindow::Flags> POPUP_FLAGS_CLOSE_AUTOMATICALLY{
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BaseWindow::EnableCustomFrame,
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BaseWindow::Frameless,
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BaseWindow::FramelessDraggable,
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};
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} // namespace
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DraggablePopup::DraggablePopup(bool closeAutomatically, QWidget *parent)
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: BaseWindow(
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(closeAutomatically ? POPUP_FLAGS_CLOSE_AUTOMATICALLY : POPUP_FLAGS) |
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BaseWindow::DisableLayoutSave |
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BaseWindow::ClearBuffersOnDpiChange,
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parent)
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, lifetimeHack_(std::make_shared<bool>(false))
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, closeAutomatically_(closeAutomatically)
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, dragTimer_(this)
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{
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if (closeAutomatically)
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{
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this->windowDeactivateAction = WindowDeactivateAction::Delete;
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}
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else
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{
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this->setAttribute(Qt::WA_DeleteOnClose);
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}
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// Update the window position according to this->requestedDragPos_ on every trigger
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this->dragTimer_.callOnTimeout(
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[this, hack = std::weak_ptr<bool>(this->lifetimeHack_)] {
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if (!hack.lock())
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{
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// Ensure this timer is never called after the object has been destroyed
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return;
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}
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if (!this->isMoving_)
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{
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return;
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}
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this->move(this->requestedDragPos_);
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});
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}
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void DraggablePopup::mousePressEvent(QMouseEvent *event)
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{
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if (event->button() == Qt::MouseButton::LeftButton &&
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!this->windowHandle()->startSystemMove())
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{
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this->dragTimer_.start(std::chrono::milliseconds(17));
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this->startPosDrag_ = event->pos();
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this->movingRelativePos = event->position();
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}
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}
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void DraggablePopup::mouseReleaseEvent(QMouseEvent *event)
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{
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this->dragTimer_.stop();
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this->isMoving_ = false;
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}
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void DraggablePopup::mouseMoveEvent(QMouseEvent *event)
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{
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// Drag the window by the amount changed from inital position
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// Note that we provide a few *units* of deadzone so people don't
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// start dragging the window if they are slow at clicking.
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auto movePos = event->pos() - this->startPosDrag_;
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if (this->isMoving_ || movePos.manhattanLength() > 10.0)
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{
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this->requestedDragPos_ =
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(event->globalPosition() - this->movingRelativePos).toPoint();
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this->isMoving_ = true;
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}
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}
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void DraggablePopup::togglePinned()
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{
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this->isPinned_ = !this->isPinned_;
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if (this->isPinned_)
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{
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this->windowDeactivateAction = WindowDeactivateAction::Nothing;
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this->pinButton_->setSource(this->pinEnabledSource_);
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}
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else
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{
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this->windowDeactivateAction = WindowDeactivateAction::Delete;
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this->pinButton_->setSource(this->pinDisabledSource_);
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}
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}
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Button *DraggablePopup::createPinButton()
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{
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this->pinButton_ = new SvgButton(this->pinDisabledSource_, this, {3, 3});
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this->pinButton_->setScaleIndependentSize(18, 18);
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this->pinButton_->setToolTip("Pin Window");
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QObject::connect(this->pinButton_, &Button::leftClicked, this,
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&DraggablePopup::togglePinned);
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return this->pinButton_;
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}
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bool DraggablePopup::ensurePinned()
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{
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if (this->closeAutomatically_ && !this->isPinned_)
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{
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this->togglePinned();
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return true;
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}
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return false;
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}
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} // namespace chatterino
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