349 lines
12 KiB
C++
349 lines
12 KiB
C++
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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Desktop::Desktop()
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: mouseSources (new MouseInputSource::SourceList()),
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masterScaleFactor ((float) getDefaultMasterScale()),
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nativeDarkModeChangeDetectorImpl (createNativeDarkModeChangeDetectorImpl())
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{
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displays.reset (new Displays (*this));
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}
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Desktop::~Desktop()
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{
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setScreenSaverEnabled (true);
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animator.cancelAllAnimations (false);
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jassert (instance == this);
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instance = nullptr;
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// doh! If you don't delete all your windows before exiting, you're going to
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// be leaking memory!
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jassert (desktopComponents.size() == 0);
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}
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Desktop& JUCE_CALLTYPE Desktop::getInstance()
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{
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if (instance == nullptr)
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instance = new Desktop();
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return *instance;
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}
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Desktop* Desktop::instance = nullptr;
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//==============================================================================
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int Desktop::getNumComponents() const noexcept
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{
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return desktopComponents.size();
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}
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Component* Desktop::getComponent (int index) const noexcept
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{
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return desktopComponents [index];
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}
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Component* Desktop::findComponentAt (Point<int> screenPosition) const
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{
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JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
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for (int i = desktopComponents.size(); --i >= 0;)
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{
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auto* c = desktopComponents.getUnchecked(i);
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if (c->isVisible())
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{
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auto relative = c->getLocalPoint (nullptr, screenPosition);
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if (c->contains (relative))
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return c->getComponentAt (relative);
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}
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}
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return nullptr;
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}
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//==============================================================================
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LookAndFeel& Desktop::getDefaultLookAndFeel() noexcept
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{
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if (auto lf = currentLookAndFeel.get())
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return *lf;
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if (defaultLookAndFeel == nullptr)
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defaultLookAndFeel.reset (new LookAndFeel_V4());
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auto lf = defaultLookAndFeel.get();
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jassert (lf != nullptr);
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currentLookAndFeel = lf;
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return *lf;
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}
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void Desktop::setDefaultLookAndFeel (LookAndFeel* newDefaultLookAndFeel)
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{
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JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
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currentLookAndFeel = newDefaultLookAndFeel;
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for (int i = getNumComponents(); --i >= 0;)
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if (auto* c = getComponent (i))
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c->sendLookAndFeelChange();
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}
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//==============================================================================
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void Desktop::addDesktopComponent (Component* c)
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{
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jassert (c != nullptr);
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jassert (! desktopComponents.contains (c));
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desktopComponents.addIfNotAlreadyThere (c);
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}
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void Desktop::removeDesktopComponent (Component* c)
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{
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desktopComponents.removeFirstMatchingValue (c);
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}
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void Desktop::componentBroughtToFront (Component* c)
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{
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auto index = desktopComponents.indexOf (c);
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jassert (index >= 0);
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if (index >= 0)
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{
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int newIndex = -1;
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if (! c->isAlwaysOnTop())
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{
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newIndex = desktopComponents.size();
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while (newIndex > 0 && desktopComponents.getUnchecked (newIndex - 1)->isAlwaysOnTop())
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--newIndex;
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--newIndex;
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}
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desktopComponents.move (index, newIndex);
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}
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}
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//==============================================================================
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Point<int> Desktop::getMousePosition()
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{
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return getMousePositionFloat().roundToInt();
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}
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Point<float> Desktop::getMousePositionFloat()
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{
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return getInstance().getMainMouseSource().getScreenPosition();
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}
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void Desktop::setMousePosition (Point<int> newPosition)
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{
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getInstance().getMainMouseSource().setScreenPosition (newPosition.toFloat());
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}
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Point<int> Desktop::getLastMouseDownPosition()
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{
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return getInstance().getMainMouseSource().getLastMouseDownPosition().roundToInt();
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}
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int Desktop::getMouseButtonClickCounter() const noexcept { return mouseClickCounter; }
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int Desktop::getMouseWheelMoveCounter() const noexcept { return mouseWheelCounter; }
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void Desktop::incrementMouseClickCounter() noexcept { ++mouseClickCounter; }
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void Desktop::incrementMouseWheelCounter() noexcept { ++mouseWheelCounter; }
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const Array<MouseInputSource>& Desktop::getMouseSources() const noexcept { return mouseSources->sourceArray; }
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int Desktop::getNumMouseSources() const noexcept { return mouseSources->sources.size(); }
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int Desktop::getNumDraggingMouseSources() const noexcept { return mouseSources->getNumDraggingMouseSources(); }
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MouseInputSource* Desktop::getMouseSource (int index) const noexcept { return mouseSources->getMouseSource (index); }
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MouseInputSource* Desktop::getDraggingMouseSource (int index) const noexcept { return mouseSources->getDraggingMouseSource (index); }
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MouseInputSource Desktop::getMainMouseSource() const noexcept { return MouseInputSource (mouseSources->sources.getUnchecked(0)); }
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void Desktop::beginDragAutoRepeat (int interval) { mouseSources->beginDragAutoRepeat (interval); }
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//==============================================================================
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void Desktop::addFocusChangeListener (FocusChangeListener* l) { focusListeners.add (l); }
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void Desktop::removeFocusChangeListener (FocusChangeListener* l) { focusListeners.remove (l); }
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void Desktop::triggerFocusCallback() { triggerAsyncUpdate(); }
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void Desktop::handleAsyncUpdate()
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{
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// The component may be deleted during this operation, but we'll use a SafePointer rather than a
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// BailOutChecker so that any remaining listeners will still get a callback (with a null pointer).
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focusListeners.call ([currentFocus = WeakReference<Component> { Component::getCurrentlyFocusedComponent() }] (FocusChangeListener& l)
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{
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l.globalFocusChanged (currentFocus.get());
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});
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}
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//==============================================================================
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void Desktop::addDarkModeSettingListener (DarkModeSettingListener* l) { darkModeSettingListeners.add (l); }
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void Desktop::removeDarkModeSettingListener (DarkModeSettingListener* l) { darkModeSettingListeners.remove (l); }
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void Desktop::darkModeChanged() { darkModeSettingListeners.call ([] (DarkModeSettingListener& l) { l.darkModeSettingChanged(); }); }
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//==============================================================================
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void Desktop::resetTimer()
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{
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if (mouseListeners.size() == 0)
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stopTimer();
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else
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startTimer (100);
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lastFakeMouseMove = getMousePositionFloat();
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}
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ListenerList<MouseListener>& Desktop::getMouseListeners()
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{
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resetTimer();
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return mouseListeners;
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}
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void Desktop::addGlobalMouseListener (MouseListener* listener)
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{
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JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
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mouseListeners.add (listener);
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resetTimer();
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}
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void Desktop::removeGlobalMouseListener (MouseListener* listener)
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{
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JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
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mouseListeners.remove (listener);
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resetTimer();
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}
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void Desktop::timerCallback()
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{
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if (lastFakeMouseMove != getMousePositionFloat())
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sendMouseMove();
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}
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void Desktop::sendMouseMove()
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{
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if (! mouseListeners.isEmpty())
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{
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startTimer (20);
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lastFakeMouseMove = getMousePositionFloat();
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if (auto* target = findComponentAt (lastFakeMouseMove.roundToInt()))
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{
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Component::BailOutChecker checker (target);
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auto pos = target->getLocalPoint (nullptr, lastFakeMouseMove);
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auto now = Time::getCurrentTime();
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const MouseEvent me (getMainMouseSource(), pos, ModifierKeys::currentModifiers, MouseInputSource::invalidPressure,
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MouseInputSource::invalidOrientation, MouseInputSource::invalidRotation,
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MouseInputSource::invalidTiltX, MouseInputSource::invalidTiltY,
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target, target, now, pos, now, 0, false);
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if (me.mods.isAnyMouseButtonDown())
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mouseListeners.callChecked (checker, [&] (MouseListener& l) { l.mouseDrag (me); });
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else
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mouseListeners.callChecked (checker, [&] (MouseListener& l) { l.mouseMove (me); });
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}
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}
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}
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//==============================================================================
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void Desktop::setKioskModeComponent (Component* componentToUse, bool allowMenusAndBars)
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{
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if (kioskModeReentrant)
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return;
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const ScopedValueSetter<bool> setter (kioskModeReentrant, true, false);
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if (kioskModeComponent != componentToUse)
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{
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// agh! Don't delete or remove a component from the desktop while it's still the kiosk component!
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jassert (kioskModeComponent == nullptr || ComponentPeer::getPeerFor (kioskModeComponent) != nullptr);
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if (auto* oldKioskComp = kioskModeComponent)
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{
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kioskModeComponent = nullptr; // (to make sure that isKioskMode() returns false when resizing the old one)
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setKioskComponent (oldKioskComp, false, allowMenusAndBars);
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oldKioskComp->setBounds (kioskComponentOriginalBounds);
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}
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kioskModeComponent = componentToUse;
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if (kioskModeComponent != nullptr)
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{
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// Only components that are already on the desktop can be put into kiosk mode!
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jassert (ComponentPeer::getPeerFor (kioskModeComponent) != nullptr);
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kioskComponentOriginalBounds = kioskModeComponent->getBounds();
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setKioskComponent (kioskModeComponent, true, allowMenusAndBars);
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}
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}
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}
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//==============================================================================
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void Desktop::setOrientationsEnabled (int newOrientations)
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{
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if (allowedOrientations != newOrientations)
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{
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// Dodgy set of flags being passed here! Make sure you specify at least one permitted orientation.
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jassert (newOrientations != 0 && (newOrientations & ~allOrientations) == 0);
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allowedOrientations = newOrientations;
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allowedOrientationsChanged();
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}
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}
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int Desktop::getOrientationsEnabled() const noexcept
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{
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return allowedOrientations;
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}
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bool Desktop::isOrientationEnabled (DisplayOrientation orientation) const noexcept
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{
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// Make sure you only pass one valid flag in here...
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jassert (orientation == upright || orientation == upsideDown
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|| orientation == rotatedClockwise || orientation == rotatedAntiClockwise);
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return (allowedOrientations & orientation) != 0;
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}
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void Desktop::setGlobalScaleFactor (float newScaleFactor) noexcept
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{
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JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
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if (masterScaleFactor != newScaleFactor)
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{
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masterScaleFactor = newScaleFactor;
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displays->refresh();
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}
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}
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bool Desktop::isHeadless() const noexcept
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{
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return displays->displays.isEmpty();
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}
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} // namespace juce
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