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https://github.com/juce-framework/JUCE.git
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370 lines
13 KiB
C++
370 lines
13 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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class DocumentWindow::ButtonListenerProxy : public ButtonListener // (can't use Button::Listener due to idiotic VC2005 bug)
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{
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public:
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ButtonListenerProxy (DocumentWindow& owner_) : owner (owner_) {}
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void buttonClicked (Button* button)
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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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const Colour& backgroundColour,
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const int requiredButtons_,
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const bool addToDesktop_)
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: ResizableWindow (title, backgroundColour, addToDesktop_),
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titleBarHeight (26),
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menuBarHeight (24),
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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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drawTitleTextCentred (true),
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menuBarModel (nullptr)
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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) >= 0);
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jassert (titleBarButtons[0] == nullptr || getIndexOfChildComponent (titleBarButtons[0]) >= 0);
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jassert (titleBarButtons[1] == nullptr || getIndexOfChildComponent (titleBarButtons[1]) >= 0);
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jassert (titleBarButtons[2] == nullptr || getIndexOfChildComponent (titleBarButtons[2]) >= 0);
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for (int i = numElementsInArray (titleBarButtons); --i >= 0;)
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titleBarButtons[i] = nullptr;
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menuBar = nullptr;
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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 = nullptr;
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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;
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}
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void DocumentWindow::setMenuBarComponent (Component* newMenuBarComponent)
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{
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// (call the Component method directly to avoid the assertion in ResizableWindow)
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Component::addAndMakeVisible (menuBar = newMenuBarComponent);
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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 JUCEApplication::quit(), and leave the window to be deleted later by your
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JUCEApplication::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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if (resizableBorder == nullptr)
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{
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g.setColour (getBackgroundColour().overlaidWith (Colour (0x80000000)));
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const BorderSize<int> border (getBorderThickness());
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g.fillRect (0, 0, getWidth(), border.getTop());
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g.fillRect (0, border.getTop(), border.getLeft(), getHeight() - border.getTopAndBottom());
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g.fillRect (getWidth() - border.getRight(), border.getTop(), border.getRight(), getHeight() - border.getTopAndBottom());
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g.fillRect (0, getHeight() - border.getBottom(), getWidth(), border.getBottom());
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}
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const Rectangle<int> titleBarArea (getTitleBarArea());
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g.reduceClipRegion (titleBarArea);
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g.setOrigin (titleBarArea.getX(), titleBarArea.getY());
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int titleSpaceX1 = 6;
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int titleSpaceX2 = titleBarArea.getWidth() - 6;
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for (int i = 0; i < 3; ++i)
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{
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if (titleBarButtons[i] != nullptr)
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{
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if (positionTitleBarButtonsOnLeft)
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titleSpaceX1 = jmax (titleSpaceX1, titleBarButtons[i]->getRight() + (getWidth() - titleBarButtons[i]->getRight()) / 8);
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else
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titleSpaceX2 = jmin (titleSpaceX2, titleBarButtons[i]->getX() - (titleBarButtons[i]->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 : 0,
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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 (titleBarButtons[1] != nullptr)
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titleBarButtons[1]->setToggleState (isFullScreen(), false);
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const Rectangle<int> 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],
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titleBarButtons[1],
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titleBarButtons[2],
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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 BorderSize<int> ((isFullScreen() || isUsingNativeTitleBar())
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? 0 : (resizableBorder != nullptr ? 4 : 1));
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}
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BorderSize<int> DocumentWindow::getContentComponentBorder()
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{
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BorderSize<int> border (getBorderThickness());
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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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const BorderSize<int> border (getBorderThickness());
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return Rectangle<int> (border.getLeft(), border.getTop(),
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getWidth() - border.getLeftAndRight(), getTitleBarHeight());
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}
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Button* DocumentWindow::getCloseButton() const noexcept { return titleBarButtons[2]; }
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Button* DocumentWindow::getMinimiseButton() const noexcept { return titleBarButtons[0]; }
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Button* DocumentWindow::getMaximiseButton() const noexcept { return titleBarButtons[1]; }
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int DocumentWindow::getDesktopWindowStyleFlags() const
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{
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int 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 (int i = numElementsInArray (titleBarButtons); --i >= 0;)
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titleBarButtons[i] = nullptr;
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if (! isUsingNativeTitleBar())
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{
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LookAndFeel& lf = getLookAndFeel();
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if ((requiredButtons & minimiseButton) != 0) titleBarButtons[0] = lf.createDocumentWindowButton (minimiseButton);
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if ((requiredButtons & maximiseButton) != 0) titleBarButtons[1] = lf.createDocumentWindowButton (maximiseButton);
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if ((requiredButtons & closeButton) != 0) titleBarButtons[2] = lf.createDocumentWindowButton (closeButton);
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for (int i = 0; i < 3; ++i)
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{
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if (titleBarButtons[i] != nullptr)
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{
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if (buttonListener == nullptr)
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buttonListener = new ButtonListenerProxy (*this);
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titleBarButtons[i]->addListener (buttonListener);
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titleBarButtons[i]->setWantsKeyboardFocus (false);
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// (call the Component method directly to avoid the assertion in ResizableWindow)
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Component::addAndMakeVisible (titleBarButtons[i]);
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}
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}
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if (getCloseButton() != nullptr)
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{
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#if JUCE_MAC
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getCloseButton()->addShortcut (KeyPress ('w', ModifierKeys::commandModifier, 0));
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#else
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getCloseButton()->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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for (int i = numElementsInArray (titleBarButtons); --i >= 0;)
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if (titleBarButtons[i] != nullptr)
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titleBarButtons[i]->setEnabled (isActiveWindow());
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if (menuBar != nullptr)
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menuBar->setEnabled (isActiveWindow());
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}
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void DocumentWindow::mouseDoubleClick (const MouseEvent& e)
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{
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Button* const maximise = getMaximiseButton();
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if (maximise != nullptr && getTitleBarArea().contains (e.x, e.y))
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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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