361 lines
12 KiB
C++
361 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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class DocumentWindow::ButtonListenerProxy : public Button::Listener
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{
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public:
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ButtonListenerProxy (DocumentWindow& w) : owner (w) {}
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void buttonClicked (Button* button) override
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{
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if (button == owner.getMinimiseButton()) owner.minimiseButtonPressed();
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else if (button == owner.getMaximiseButton()) owner.maximiseButtonPressed();
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else if (button == owner.getCloseButton()) owner.closeButtonPressed();
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}
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private:
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DocumentWindow& owner;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonListenerProxy)
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};
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//==============================================================================
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DocumentWindow::DocumentWindow (const String& title,
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Colour backgroundColour,
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int requiredButtons_,
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bool addToDesktop_)
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: ResizableWindow (title, backgroundColour, addToDesktop_),
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requiredButtons (requiredButtons_),
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#if JUCE_MAC
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positionTitleBarButtonsOnLeft (true)
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#else
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positionTitleBarButtonsOnLeft (false)
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#endif
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{
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setResizeLimits (128, 128, 32768, 32768);
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DocumentWindow::lookAndFeelChanged();
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}
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DocumentWindow::~DocumentWindow()
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{
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// Don't delete or remove the resizer components yourself! They're managed by the
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// DocumentWindow, and you should leave them alone! You may have deleted them
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// accidentally by careless use of deleteAllChildren()..?
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jassert (menuBar == nullptr || getIndexOfChildComponent (menuBar.get()) >= 0);
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jassert (titleBarButtons[0] == nullptr || getIndexOfChildComponent (titleBarButtons[0].get()) >= 0);
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jassert (titleBarButtons[1] == nullptr || getIndexOfChildComponent (titleBarButtons[1].get()) >= 0);
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jassert (titleBarButtons[2] == nullptr || getIndexOfChildComponent (titleBarButtons[2].get()) >= 0);
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for (auto& b : titleBarButtons)
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b.reset();
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menuBar.reset();
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}
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//==============================================================================
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void DocumentWindow::repaintTitleBar()
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{
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repaint (getTitleBarArea());
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}
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void DocumentWindow::setName (const String& newName)
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{
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if (newName != getName())
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{
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Component::setName (newName);
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repaintTitleBar();
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}
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}
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void DocumentWindow::setIcon (const Image& imageToUse)
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{
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titleBarIcon = imageToUse;
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repaintTitleBar();
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}
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void DocumentWindow::setTitleBarHeight (const int newHeight)
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{
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titleBarHeight = newHeight;
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resized();
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repaintTitleBar();
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}
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void DocumentWindow::setTitleBarButtonsRequired (const int buttons, const bool onLeft)
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{
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requiredButtons = buttons;
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positionTitleBarButtonsOnLeft = onLeft;
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lookAndFeelChanged();
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}
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void DocumentWindow::setTitleBarTextCentred (const bool textShouldBeCentred)
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{
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drawTitleTextCentred = textShouldBeCentred;
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repaintTitleBar();
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}
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//==============================================================================
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void DocumentWindow::setMenuBar (MenuBarModel* newMenuBarModel, const int newMenuBarHeight)
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{
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if (menuBarModel != newMenuBarModel)
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{
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menuBar.reset();
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menuBarModel = newMenuBarModel;
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menuBarHeight = newMenuBarHeight > 0 ? newMenuBarHeight
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: getLookAndFeel().getDefaultMenuBarHeight();
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if (menuBarModel != nullptr)
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setMenuBarComponent (new MenuBarComponent (menuBarModel));
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resized();
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}
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}
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Component* DocumentWindow::getMenuBarComponent() const noexcept
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{
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return menuBar.get();
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}
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void DocumentWindow::setMenuBarComponent (Component* newMenuBarComponent)
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{
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menuBar.reset (newMenuBarComponent);
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Component::addAndMakeVisible (menuBar.get()); // (call the superclass method directly to avoid the assertion in ResizableWindow)
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if (menuBar != nullptr)
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menuBar->setEnabled (isActiveWindow());
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resized();
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}
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//==============================================================================
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void DocumentWindow::closeButtonPressed()
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{
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/* If you've got a close button, you have to override this method to get
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rid of your window!
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If the window is just a pop-up, you should override this method and make
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it delete the window in whatever way is appropriate for your app. E.g. you
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might just want to call "delete this".
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If your app is centred around this window such that the whole app should quit when
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the window is closed, then you will probably want to use this method as an opportunity
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to call JUCEApplicationBase::quit(), and leave the window to be deleted later by your
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JUCEApplicationBase::shutdown() method. (Doing it this way means that your window will
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still get cleaned-up if the app is quit by some other means (e.g. a cmd-Q on the mac
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or closing it via the taskbar icon on Windows).
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*/
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jassertfalse;
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}
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void DocumentWindow::minimiseButtonPressed()
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{
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setMinimised (true);
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}
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void DocumentWindow::maximiseButtonPressed()
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{
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setFullScreen (! isFullScreen());
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}
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//==============================================================================
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void DocumentWindow::paint (Graphics& g)
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{
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ResizableWindow::paint (g);
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auto titleBarArea = getTitleBarArea();
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g.reduceClipRegion (titleBarArea);
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g.setOrigin (titleBarArea.getPosition());
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int titleSpaceX1 = 6;
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int titleSpaceX2 = titleBarArea.getWidth() - 6;
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for (auto& b : titleBarButtons)
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{
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if (b != nullptr)
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{
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if (positionTitleBarButtonsOnLeft)
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titleSpaceX1 = jmax (titleSpaceX1, b->getRight() + (getWidth() - b->getRight()) / 8);
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else
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titleSpaceX2 = jmin (titleSpaceX2, b->getX() - (b->getX() / 8));
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}
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}
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getLookAndFeel().drawDocumentWindowTitleBar (*this, g,
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titleBarArea.getWidth(),
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titleBarArea.getHeight(),
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titleSpaceX1,
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jmax (1, titleSpaceX2 - titleSpaceX1),
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titleBarIcon.isValid() ? &titleBarIcon : nullptr,
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! drawTitleTextCentred);
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}
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void DocumentWindow::resized()
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{
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ResizableWindow::resized();
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if (auto* b = getMaximiseButton())
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b->setToggleState (isFullScreen(), dontSendNotification);
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auto titleBarArea = getTitleBarArea();
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getLookAndFeel()
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.positionDocumentWindowButtons (*this,
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titleBarArea.getX(), titleBarArea.getY(),
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titleBarArea.getWidth(), titleBarArea.getHeight(),
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titleBarButtons[0].get(),
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titleBarButtons[1].get(),
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titleBarButtons[2].get(),
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positionTitleBarButtonsOnLeft);
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if (menuBar != nullptr)
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menuBar->setBounds (titleBarArea.getX(), titleBarArea.getBottom(),
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titleBarArea.getWidth(), menuBarHeight);
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}
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BorderSize<int> DocumentWindow::getBorderThickness()
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{
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return ResizableWindow::getBorderThickness();
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}
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BorderSize<int> DocumentWindow::getContentComponentBorder()
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{
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auto border = getBorderThickness();
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if (! isKioskMode())
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border.setTop (border.getTop()
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+ (isUsingNativeTitleBar() ? 0 : titleBarHeight)
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+ (menuBar != nullptr ? menuBarHeight : 0));
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return border;
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}
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int DocumentWindow::getTitleBarHeight() const
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{
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return isUsingNativeTitleBar() ? 0 : jmin (titleBarHeight, getHeight() - 4);
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}
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Rectangle<int> DocumentWindow::getTitleBarArea()
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{
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if (isKioskMode())
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return {};
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auto border = getBorderThickness();
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return { border.getLeft(), border.getTop(), getWidth() - border.getLeftAndRight(), getTitleBarHeight() };
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}
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Button* DocumentWindow::getCloseButton() const noexcept { return titleBarButtons[2].get(); }
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Button* DocumentWindow::getMinimiseButton() const noexcept { return titleBarButtons[0].get(); }
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Button* DocumentWindow::getMaximiseButton() const noexcept { return titleBarButtons[1].get(); }
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int DocumentWindow::getDesktopWindowStyleFlags() const
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{
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auto styleFlags = ResizableWindow::getDesktopWindowStyleFlags();
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if ((requiredButtons & minimiseButton) != 0) styleFlags |= ComponentPeer::windowHasMinimiseButton;
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if ((requiredButtons & maximiseButton) != 0) styleFlags |= ComponentPeer::windowHasMaximiseButton;
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if ((requiredButtons & closeButton) != 0) styleFlags |= ComponentPeer::windowHasCloseButton;
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return styleFlags;
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}
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void DocumentWindow::lookAndFeelChanged()
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{
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for (auto& b : titleBarButtons)
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b.reset();
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if (! isUsingNativeTitleBar())
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{
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auto& lf = getLookAndFeel();
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if ((requiredButtons & minimiseButton) != 0) titleBarButtons[0].reset (lf.createDocumentWindowButton (minimiseButton));
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if ((requiredButtons & maximiseButton) != 0) titleBarButtons[1].reset (lf.createDocumentWindowButton (maximiseButton));
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if ((requiredButtons & closeButton) != 0) titleBarButtons[2].reset (lf.createDocumentWindowButton (closeButton));
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for (auto& b : titleBarButtons)
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{
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if (b != nullptr)
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{
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if (buttonListener == nullptr)
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buttonListener.reset (new ButtonListenerProxy (*this));
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b->addListener (buttonListener.get());
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b->setWantsKeyboardFocus (false);
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// (call the Component method directly to avoid the assertion in ResizableWindow)
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Component::addAndMakeVisible (b.get());
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}
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}
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if (auto* b = getCloseButton())
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{
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#if JUCE_MAC
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b->addShortcut (KeyPress ('w', ModifierKeys::commandModifier, 0));
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#else
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b->addShortcut (KeyPress (KeyPress::F4Key, ModifierKeys::altModifier, 0));
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#endif
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}
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}
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activeWindowStatusChanged();
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ResizableWindow::lookAndFeelChanged();
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}
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void DocumentWindow::parentHierarchyChanged()
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{
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lookAndFeelChanged();
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}
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void DocumentWindow::activeWindowStatusChanged()
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{
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ResizableWindow::activeWindowStatusChanged();
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bool isActive = isActiveWindow();
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for (auto& b : titleBarButtons)
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if (b != nullptr)
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b->setEnabled (isActive);
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if (menuBar != nullptr)
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menuBar->setEnabled (isActive);
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}
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void DocumentWindow::mouseDoubleClick (const MouseEvent& e)
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{
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if (getTitleBarArea().contains (e.x, e.y))
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if (auto* maximise = getMaximiseButton())
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maximise->triggerClick();
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}
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void DocumentWindow::userTriedToCloseWindow()
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{
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closeButtonPressed();
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}
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} // namespace juce
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