mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-09 23:34:20 +00:00
292 lines
9.5 KiB
C++
292 lines
9.5 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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#include "../../Application/jucer_Headers.h"
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#include "jucer_ComponentLayoutEditor.h"
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#include "../jucer_UtilityFunctions.h"
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//==============================================================================
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ComponentOverlayComponent::ComponentOverlayComponent (Component* const target_,
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ComponentLayout& layout_)
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: target (target_),
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borderThickness (4),
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layout (layout_),
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selected (false),
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dragging (false),
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originalAspectRatio (1.0)
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{
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setMinimumOnscreenAmounts (0, 0, 0, 0);
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setSizeLimits (borderThickness * 2 + 2, borderThickness * 2 + 2, 8192, 8192);
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border.reset (new ResizableBorderComponent (this, this));
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addChildComponent (border.get());
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border->setBorderThickness (BorderSize<int> (borderThickness));
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target->addComponentListener (this);
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updateSelected();
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layout.getSelectedSet().addChangeListener (this);
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setRepaintsOnMouseActivity (true);
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border->setRepaintsOnMouseActivity (true);
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}
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ComponentOverlayComponent::~ComponentOverlayComponent()
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{
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layout.getSelectedSet().removeChangeListener (this);
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if (target != nullptr)
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target->removeComponentListener (this);
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}
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void ComponentOverlayComponent::updateSelected()
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{
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const bool nowSelected = layout.getSelectedSet().isSelected (target);
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if (selected != nowSelected)
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{
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selected = nowSelected;
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border->setVisible (nowSelected);
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repaint();
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}
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}
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void ComponentOverlayComponent::changeListenerCallback (ChangeBroadcaster*)
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{
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updateSelected();
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}
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void ComponentOverlayComponent::paint (Graphics& g)
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{
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jassert (target != nullptr);
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border->setColour (backgroundColourId, Colours::transparentBlack);
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if (selected)
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{
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auto selectedItems = layout.getSelectedSet();
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auto baseColour = findColour (defaultHighlightColourId);
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const BorderSize<int> borderSize (border->getBorderThickness());
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drawResizableBorder (g, getWidth(), getHeight(), borderSize,
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(isMouseOverOrDragging() || border->isMouseOverOrDragging()),
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baseColour.withAlpha (selectedItems.getSelectedItem (0) == target ? 1.0f : 0.3f));
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}
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else if (isMouseOverOrDragging())
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{
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drawMouseOverCorners (g, getWidth(), getHeight());
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}
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}
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void ComponentOverlayComponent::resized()
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{
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jassert (target != nullptr);
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border->setBounds (getLocalBounds());
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}
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void ComponentOverlayComponent::mouseDown (const MouseEvent& e)
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{
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dragging = false;
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mouseDownSelectStatus = layout.getSelectedSet().addToSelectionOnMouseDown (target, e.mods);
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if (e.mods.isPopupMenu())
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{
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showPopupMenu();
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return; // this may be deleted now..
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}
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}
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void ComponentOverlayComponent::mouseDrag (const MouseEvent& e)
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{
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if (! e.mods.isPopupMenu())
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{
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if (selected && ! dragging)
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{
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dragging = e.mouseWasDraggedSinceMouseDown();
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if (dragging)
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layout.startDragging();
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}
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if (dragging)
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{
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layout.dragSelectedComps (e.getDistanceFromDragStartX(),
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e.getDistanceFromDragStartY());
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}
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}
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}
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void ComponentOverlayComponent::mouseUp (const MouseEvent& e)
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{
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if (dragging)
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layout.endDragging();
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layout.getSelectedSet().addToSelectionOnMouseUp (target, e.mods, dragging, mouseDownSelectStatus);
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}
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void ComponentOverlayComponent::componentMovedOrResized (Component&, bool /*wasMoved*/, bool /*wasResized*/)
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{
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updateBoundsToMatchTarget();
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}
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void ComponentOverlayComponent::updateBoundsToMatchTarget()
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{
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if (Component* const parent = target->getParentComponent())
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{
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const int dx = parent->getX();
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const int dy = parent->getY();
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setBounds (dx + target->getX() - borderThickness,
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dy + target->getY() - borderThickness,
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target->getWidth() + borderThickness * 2,
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target->getHeight() + borderThickness * 2);
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}
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if (border->isMouseButtonDown())
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layout.changed();
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}
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void ComponentOverlayComponent::resizeStart()
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{
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if (getHeight() > 0)
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originalAspectRatio = getWidth() / (double) getHeight();
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else
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originalAspectRatio = 1.0;
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layout.getDocument()->beginTransaction ("Resize components");
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}
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void ComponentOverlayComponent::resizeEnd()
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{
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layout.getDocument()->beginTransaction();
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}
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void ComponentOverlayComponent::checkBounds (Rectangle<int>& b,
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const Rectangle<int>& previousBounds,
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const Rectangle<int>& limits,
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const bool isStretchingTop,
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const bool isStretchingLeft,
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const bool isStretchingBottom,
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const bool isStretchingRight)
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{
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if (ModifierKeys::currentModifiers.isShiftDown())
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setFixedAspectRatio (originalAspectRatio);
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else
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setFixedAspectRatio (0.0);
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ComponentBoundsConstrainer::checkBounds (b, previousBounds, limits, isStretchingTop, isStretchingLeft, isStretchingBottom, isStretchingRight);
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if (layout.getDocument()->isSnapActive (true))
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{
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if (Component* const parent = target->getParentComponent())
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{
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const int dx = parent->getX();
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const int dy = parent->getY();
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int x = b.getX();
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int y = b.getY();
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int w = b.getWidth();
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int h = b.getHeight();
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x += borderThickness - dx;
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y += borderThickness - dy;
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w -= borderThickness * 2;
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h -= borderThickness * 2;
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int right = x + w;
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int bottom = y + h;
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if (isStretchingRight)
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right = layout.getDocument()->snapPosition (right);
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if (isStretchingBottom)
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bottom = layout.getDocument()->snapPosition (bottom);
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if (isStretchingLeft)
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x = layout.getDocument()->snapPosition (x);
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if (isStretchingTop)
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y = layout.getDocument()->snapPosition (y);
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w = (right - x) + borderThickness * 2;
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h = (bottom - y) + borderThickness * 2;
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x -= borderThickness - dx;
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y -= borderThickness - dy;
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b = Rectangle<int> (x, y, w, h);
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}
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}
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}
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void ComponentOverlayComponent::applyBoundsToComponent (Component& component, Rectangle<int> b)
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{
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if (component.getBounds() != b)
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{
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layout.getDocument()->getUndoManager().undoCurrentTransactionOnly();
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auto dX = b.getX() - component.getX();
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auto dY = b.getY() - component.getY();
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auto dW = b.getWidth() - component.getWidth();
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auto dH = b.getHeight() - component.getHeight();
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component.setBounds (b);
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if (auto* parent = target->getParentComponent())
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target->setBounds (b.getX() + borderThickness - parent->getX(),
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b.getY() + borderThickness - parent->getY(),
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b.getWidth() - borderThickness * 2,
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b.getHeight() - borderThickness * 2);
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layout.updateStoredComponentPosition (target, true);
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if (layout.getSelectedSet().getNumSelected() > 1)
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{
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for (auto s : layout.getSelectedSet())
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{
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if (s != target)
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{
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s->setBounds (s->getX() + dX, s->getY() + dY, s->getWidth() + dW, s->getHeight() + dH);
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layout.updateStoredComponentPosition (s, true);
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}
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}
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}
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}
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}
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void ComponentOverlayComponent::showPopupMenu()
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{
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ComponentTypeHandler::getHandlerFor (*target)->showPopupMenu (target, layout);
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}
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