mirror of
https://github.com/juce-framework/JUCE.git
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126 lines
4.3 KiB
C++
126 lines
4.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce::detail
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{
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class ToolbarItemDragAndDropOverlayComponent : public Component
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{
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public:
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ToolbarItemDragAndDropOverlayComponent()
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{
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setAlwaysOnTop (true);
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setRepaintsOnMouseActivity (true);
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setMouseCursor (MouseCursor::DraggingHandCursor);
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}
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void paint (Graphics& g) override
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{
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if (ToolbarItemComponent* const tc = getToolbarItemComponent())
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{
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if (isMouseOverOrDragging()
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&& tc->getEditingMode() == ToolbarItemComponent::editableOnToolbar)
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{
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g.setColour (findColour (Toolbar::editingModeOutlineColourId, true));
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g.drawRect (getLocalBounds(), jmin (2, (getWidth() - 1) / 2,
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(getHeight() - 1) / 2));
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}
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}
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}
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void mouseDown (const MouseEvent& e) override
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{
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isDragging = false;
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if (ToolbarItemComponent* const tc = getToolbarItemComponent())
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{
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tc->dragOffsetX = e.x;
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tc->dragOffsetY = e.y;
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}
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}
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void mouseDrag (const MouseEvent& e) override
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{
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if (e.mouseWasDraggedSinceMouseDown() && ! isDragging)
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{
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isDragging = true;
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if (DragAndDropContainer* const dnd = DragAndDropContainer::findParentDragContainerFor (this))
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{
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dnd->startDragging (Toolbar::toolbarDragDescriptor, getParentComponent(), ScaledImage(), true, nullptr, &e.source);
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if (ToolbarItemComponent* const tc = getToolbarItemComponent())
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{
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tc->isBeingDragged = true;
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if (tc->getEditingMode() == ToolbarItemComponent::editableOnToolbar)
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tc->setVisible (false);
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}
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}
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}
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}
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void mouseUp (const MouseEvent&) override
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{
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isDragging = false;
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if (ToolbarItemComponent* const tc = getToolbarItemComponent())
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{
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tc->isBeingDragged = false;
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if (Toolbar* const tb = tc->getToolbar())
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tb->updateAllItemPositions (true);
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else if (tc->getEditingMode() == ToolbarItemComponent::editableOnToolbar)
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delete tc;
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}
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}
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void parentSizeChanged() override
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{
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setBounds (0, 0, getParentWidth(), getParentHeight());
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}
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private:
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//==============================================================================
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bool isDragging = false;
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ToolbarItemComponent* getToolbarItemComponent() const noexcept
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{
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return dynamic_cast<ToolbarItemComponent*> (getParentComponent());
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}
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ToolbarItemDragAndDropOverlayComponent)
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};
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} // namespace juce::detail
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