paulxstretch/deps/juce/extras/Projucer/Source/ComponentEditor/jucer_ComponentLayout.cpp
essej 25bd5d8adb git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
2022-04-18 17:51:22 -04:00

1112 lines
36 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#include "../Application/jucer_Headers.h"
#include "jucer_JucerDocument.h"
#include "jucer_ObjectTypes.h"
#include "UI/jucer_JucerDocumentEditor.h"
#include "Components/jucer_ComponentUndoableAction.h"
//==============================================================================
ComponentLayout::ComponentLayout()
: document (nullptr),
nextCompUID (1)
{
}
ComponentLayout::~ComponentLayout()
{
components.clear();
}
//==============================================================================
void ComponentLayout::changed()
{
if (document != nullptr)
document->changed();
}
void ComponentLayout::perform (UndoableAction* action, const String& actionName)
{
jassert (document != nullptr);
if (document != nullptr)
{
document->getUndoManager().perform (action, actionName);
}
else
{
std::unique_ptr<UndoableAction> deleter (action);
action->perform();
}
}
//==============================================================================
void ComponentLayout::clearComponents()
{
selected.deselectAll();
selected.dispatchPendingMessages();
components.clear();
changed();
}
//==============================================================================
class AddCompAction : public UndoableAction
{
public:
AddCompAction (XmlElement* const xml_, ComponentLayout& layout_)
: indexAdded (-1),
xml (xml_),
layout (layout_)
{
}
bool perform()
{
showCorrectTab();
Component* const newComp = layout.addComponentFromXml (*xml, false);
jassert (newComp != nullptr);
indexAdded = layout.indexOfComponent (newComp);
jassert (indexAdded >= 0);
return indexAdded >= 0;
}
bool undo()
{
showCorrectTab();
layout.removeComponent (layout.getComponent (indexAdded), false);
return true;
}
int getSizeInUnits() { return 10; }
int indexAdded;
private:
std::unique_ptr<XmlElement> xml;
ComponentLayout& layout;
static void showCorrectTab()
{
if (JucerDocumentEditor* const ed = JucerDocumentEditor::getActiveDocumentHolder())
ed->showLayout();
}
AddCompAction (const AddCompAction&);
AddCompAction& operator= (const AddCompAction&);
};
//==============================================================================
class DeleteCompAction : public ComponentUndoableAction <Component>
{
public:
DeleteCompAction (Component* const comp, ComponentLayout& l)
: ComponentUndoableAction <Component> (comp, l),
oldIndex (-1)
{
if (ComponentTypeHandler* const h = ComponentTypeHandler::getHandlerFor (*comp))
xml.reset (h->createXmlFor (comp, &layout));
else
jassertfalse;
oldIndex = l.indexOfComponent (comp);
}
bool perform()
{
showCorrectTab();
layout.removeComponent (getComponent(), false);
return true;
}
bool undo()
{
Component* c = layout.addComponentFromXml (*xml, false);
jassert (c != nullptr);
layout.moveComponentZOrder (layout.indexOfComponent (c), oldIndex);
showCorrectTab();
return c != nullptr;
}
private:
std::unique_ptr<XmlElement> xml;
int oldIndex;
};
void ComponentLayout::removeComponent (Component* comp, const bool undoable)
{
if (comp != nullptr && components.contains (comp))
{
if (undoable)
{
perform (new DeleteCompAction (comp, *this), "Delete components");
}
else
{
selected.deselect (comp);
selected.changed (true); // synchronous message to get rid of any property components
components.removeObject (comp);
changed();
}
}
}
//==============================================================================
class FrontBackCompAction : public ComponentUndoableAction <Component>
{
public:
FrontBackCompAction (Component* const comp, ComponentLayout& l, int newIndex_)
: ComponentUndoableAction <Component> (comp, l),
newIndex (newIndex_)
{
oldIndex = l.indexOfComponent (comp);
}
bool perform()
{
showCorrectTab();
Component* comp = layout.getComponent (oldIndex);
layout.moveComponentZOrder (oldIndex, newIndex);
newIndex = layout.indexOfComponent (comp);
return true;
}
bool undo()
{
showCorrectTab();
layout.moveComponentZOrder (newIndex, oldIndex);
return true;
}
private:
int newIndex, oldIndex;
};
void ComponentLayout::moveComponentZOrder (int oldIndex, int newIndex)
{
jassert (components [oldIndex] != nullptr);
if (oldIndex != newIndex && components [oldIndex] != nullptr)
{
components.move (oldIndex, newIndex);
changed();
}
}
void ComponentLayout::componentToFront (Component* comp, const bool undoable)
{
if (comp != nullptr && components.contains (comp))
{
if (undoable)
perform (new FrontBackCompAction (comp, *this, -1), "Move components to front");
else
moveComponentZOrder (components.indexOf (comp), -1);
}
}
void ComponentLayout::componentToBack (Component* comp, const bool undoable)
{
if (comp != nullptr && components.contains (comp))
{
if (undoable)
perform (new FrontBackCompAction (comp, *this, 0), "Move components to back");
else
moveComponentZOrder (components.indexOf (comp), 0);
}
}
//==============================================================================
const char* const ComponentLayout::clipboardXmlTag = "COMPONENTS";
void ComponentLayout::copySelectedToClipboard()
{
if (selected.getNumSelected() == 0)
return;
XmlElement clip (clipboardXmlTag);
for (int i = 0; i < components.size(); ++i)
{
auto c = components.getUnchecked(i);
if (selected.isSelected (c))
{
if (auto type = ComponentTypeHandler::getHandlerFor (*c))
{
auto e = type->createXmlFor (c, this);
clip.addChildElement (e);
}
}
}
SystemClipboard::copyTextToClipboard (clip.toString());
}
void ComponentLayout::paste()
{
if (auto doc = parseXMLIfTagMatches (SystemClipboard::getTextFromClipboard(), clipboardXmlTag))
{
selected.deselectAll();
for (auto* e : doc->getChildIterator())
if (Component* newComp = addComponentFromXml (*e, true))
selected.addToSelection (newComp);
startDragging();
dragSelectedComps (Random::getSystemRandom().nextInt (40),
Random::getSystemRandom().nextInt (40));
endDragging();
}
}
void ComponentLayout::deleteSelected()
{
const SelectedItemSet <Component*> temp (selected);
selected.deselectAll();
selected.changed (true); // synchronous message to get rid of any property components
if (temp.getNumSelected() > 0)
{
for (int i = temp.getNumSelected(); --i >= 0;)
removeComponent (temp.getSelectedItem (i), true);
changed();
if (document != nullptr)
document->dispatchPendingMessages(); // forces the change to propagate before a paint() callback can happen,
// in case there are components floating around that are now dangling pointers
}
}
void ComponentLayout::selectAll()
{
for (int i = 0; i < components.size(); ++i)
selected.addToSelection (components.getUnchecked (i));
}
void ComponentLayout::selectedToFront()
{
const SelectedItemSet <Component*> temp (selected);
for (int i = temp.getNumSelected(); --i >= 0;)
componentToFront (temp.getSelectedItem(i), true);
}
void ComponentLayout::selectedToBack()
{
const SelectedItemSet <Component*> temp (selected);
for (int i = 0; i < temp.getNumSelected(); ++i)
componentToBack (temp.getSelectedItem(i), true);
}
void ComponentLayout::alignTop()
{
if (selected.getNumSelected() > 1)
{
auto* main = selected.getSelectedItem (0);
auto yPos = main->getY();
for (auto* other : selected)
{
if (other != main)
setComponentBoundsAndProperties (other,
other->getBounds().withPosition (other->getX(), yPos),
main, true);
}
}
}
void ComponentLayout::alignRight()
{
if (selected.getNumSelected() > 1)
{
auto* main = selected.getSelectedItem (0);
auto rightPos = main->getRight();
for (auto* other : selected)
{
if (other != main)
setComponentBoundsAndProperties (other, other->getBounds().withPosition (rightPos - other->getWidth(), other->getY()), main, true);
}
}
}
void ComponentLayout::alignBottom()
{
if (selected.getNumSelected() > 1)
{
auto* main = selected.getSelectedItem (0);
auto bottomPos = main->getBottom();
for (auto* other : selected)
{
if (other != main)
setComponentBoundsAndProperties (other, other->getBounds().withPosition (other->getX(), bottomPos - other->getHeight()), main, true);
}
}
}
void ComponentLayout::alignLeft()
{
if (selected.getNumSelected() > 1)
{
auto* main = selected.getSelectedItem (0);
auto xPos = main->getX();
for (auto* other : selected)
{
if (other != main)
setComponentBoundsAndProperties (other, other->getBounds().withPosition (xPos, other->getY()), main, true);
}
}
}
void ComponentLayout::bringLostItemsBackOnScreen (int width, int height)
{
for (int i = components.size(); --i >= 0;)
{
Component* const c = components[i];
if (! c->getBounds().intersects (Rectangle<int> (0, 0, width, height)))
{
c->setTopLeftPosition (width / 2, height / 2);
updateStoredComponentPosition (c, false);
}
}
}
Component* ComponentLayout::addNewComponent (ComponentTypeHandler* const type, int x, int y)
{
std::unique_ptr<Component> c (type->createNewComponent (getDocument()));
jassert (c != nullptr);
if (c != nullptr)
{
c->setSize (type->getDefaultWidth(), type->getDefaultHeight());
c->setCentrePosition (x, y);
updateStoredComponentPosition (c.get(), false);
c->getProperties().set ("id", nextCompUID++);
std::unique_ptr<XmlElement> xml (type->createXmlFor (c.get(), this));
c.reset (addComponentFromXml (*xml, true));
String memberName (build_tools::makeValidIdentifier (type->getClassName (c.get()), true, true, false));
setComponentMemberVariableName (c.get(), memberName);
selected.selectOnly (c.get());
}
return c.release();
}
Component* ComponentLayout::addComponentFromXml (const XmlElement& xml, const bool undoable)
{
if (undoable)
{
AddCompAction* const action = new AddCompAction (new XmlElement (xml), *this);
perform (action, "Add new components");
return components [action->indexAdded];
}
if (ComponentTypeHandler* const type
= ComponentTypeHandler::getHandlerForXmlTag (xml.getTagName()))
{
std::unique_ptr<Component> newComp (type->createNewComponent (getDocument()));
if (type->restoreFromXml (xml, newComp.get(), this))
{
// ensure that the new comp's name is unique
setComponentMemberVariableName (newComp.get(), getComponentMemberVariableName (newComp.get()));
// check for duped IDs..
while (findComponentWithId (ComponentTypeHandler::getComponentId (newComp.get())) != nullptr)
ComponentTypeHandler::setComponentId (newComp.get(), Random::getSystemRandom().nextInt64());
components.add (newComp.get());
changed();
return newComp.release();
}
}
return nullptr;
}
Component* ComponentLayout::findComponentWithId (const int64 componentId) const
{
for (int i = 0; i < components.size(); ++i)
if (ComponentTypeHandler::getComponentId (components.getUnchecked(i)) == componentId)
return components.getUnchecked(i);
return nullptr;
}
//==============================================================================
static const char* const dimensionSuffixes[] = { "X", "Y", "W", "H" };
Component* ComponentLayout::getComponentRelativePosTarget (Component* comp, int whichDimension) const
{
jassert (comp != nullptr);
if (PaintElement* const pe = dynamic_cast<PaintElement*> (comp))
{
int64 compId;
if (whichDimension == 0) compId = pe->getPosition().relativeToX;
else if (whichDimension == 1) compId = pe->getPosition().relativeToY;
else if (whichDimension == 2) compId = pe->getPosition().relativeToW;
else compId = pe->getPosition().relativeToH;
return findComponentWithId (compId);
}
return findComponentWithId (comp->getProperties() [String ("relativeTo") + dimensionSuffixes [whichDimension]]
.toString().getHexValue64());
}
void ComponentLayout::setComponentRelativeTarget (Component* comp, int whichDimension, Component* compToBeRelativeTo)
{
PaintElement* const pe = dynamic_cast<PaintElement*> (comp);
jassert (comp != nullptr);
jassert (pe != nullptr || components.contains (comp));
jassert (compToBeRelativeTo == nullptr || components.contains (compToBeRelativeTo));
jassert (compToBeRelativeTo == nullptr || ! dependsOnComponentForRelativePos (compToBeRelativeTo, comp));
if (compToBeRelativeTo != getComponentRelativePosTarget (comp, whichDimension)
&& (compToBeRelativeTo == nullptr || ! dependsOnComponentForRelativePos (compToBeRelativeTo, comp)))
{
const int64 compId = ComponentTypeHandler::getComponentId (compToBeRelativeTo);
Rectangle<int> oldBounds (comp->getBounds());
RelativePositionedRectangle pos;
if (pe != nullptr)
{
oldBounds = pe->getCurrentBounds (dynamic_cast<PaintRoutineEditor*> (pe->getParentComponent())->getComponentArea());
pos = pe->getPosition();
}
else
{
pos = ComponentTypeHandler::getComponentPosition (comp);
}
if (whichDimension == 0) pos.relativeToX = compId;
else if (whichDimension == 1) pos.relativeToY = compId;
else if (whichDimension == 2) pos.relativeToW = compId;
else if (whichDimension == 3) pos.relativeToH = compId;
if (pe != nullptr)
{
pe->setPosition (pos, true);
pe->setCurrentBounds (oldBounds, dynamic_cast<PaintRoutineEditor*> (pe->getParentComponent())->getComponentArea(), true);
}
else
{
setComponentPosition (comp, pos, true);
comp->setBounds (oldBounds);
updateStoredComponentPosition (comp, false);
}
changed();
}
}
bool ComponentLayout::dependsOnComponentForRelativePos (Component* comp, Component* possibleDependee) const
{
for (int i = 0; i < 4; ++i)
if (Component* const c = getComponentRelativePosTarget (comp, i))
if (c == possibleDependee || dependsOnComponentForRelativePos (c, possibleDependee))
return true;
return false;
}
bool ComponentLayout::isComponentPositionRelative (Component* comp) const
{
for (int i = 0; i < getNumComponents(); ++i)
if (dependsOnComponentForRelativePos (comp, getComponent (i)))
return true;
return false;
}
const int menuIdBase = 0x63240000;
PopupMenu ComponentLayout::getRelativeTargetMenu (Component* comp, int whichDimension) const
{
PopupMenu m;
auto current = getComponentRelativePosTarget (comp, whichDimension);
m.addItem (menuIdBase, "Relative to parent component", true, current == nullptr);
m.addSeparator();
for (int i = 0; i < components.size(); ++i)
{
auto* const c = components.getUnchecked (i);
if (c != nullptr && c != comp)
m.addItem (menuIdBase + i + 1,
"Relative to " + getComponentMemberVariableName (c)
+ " (class: " + ComponentTypeHandler::getHandlerFor (*c)->getClassName (c) + ")",
! dependsOnComponentForRelativePos (c, comp),
current == c);
}
return m;
}
void ComponentLayout::processRelativeTargetMenuResult (Component* comp, int whichDimension, int menuResultID)
{
if (menuResultID != 0)
{
Component* const newTarget = components [menuResultID - menuIdBase - 1];
setComponentRelativeTarget (comp, whichDimension, newTarget);
}
}
//==============================================================================
class ChangeCompPositionAction : public ComponentUndoableAction <Component>
{
public:
ChangeCompPositionAction (Component* const comp, ComponentLayout& l,
const RelativePositionedRectangle& newPos_)
: ComponentUndoableAction <Component> (comp, l),
newPos (newPos_), oldPos (ComponentTypeHandler::getComponentPosition (comp))
{
}
bool perform()
{
showCorrectTab();
layout.setComponentPosition (getComponent(), newPos, false);
return true;
}
bool undo()
{
showCorrectTab();
layout.setComponentPosition (getComponent(), oldPos, false);
return true;
}
private:
RelativePositionedRectangle newPos, oldPos;
};
class ChangeCompBoundsAndPropertiesAction : public ComponentUndoableAction<Component>
{
public:
ChangeCompBoundsAndPropertiesAction (Component* const comp, ComponentLayout& l,
const Rectangle<int>& bounds, const NamedValueSet& props)
: ComponentUndoableAction <Component> (comp, l),
newBounds (bounds),
oldBounds (comp->getBounds()),
newProps (props),
oldProps(comp->getProperties())
{
}
bool perform()
{
showCorrectTab();
getComponent()->setBounds (newBounds);
getComponent()->getProperties() = newProps;
layout.updateStoredComponentPosition (getComponent(), false);
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setBounds (oldBounds);
getComponent()->getProperties() = oldProps;
layout.updateStoredComponentPosition (getComponent(), false);
return true;
}
private:
Rectangle<int> newBounds, oldBounds;
NamedValueSet newProps, oldProps;
};
void ComponentLayout::setComponentPosition (Component* comp,
const RelativePositionedRectangle& newPos,
const bool undoable)
{
if (ComponentTypeHandler::getComponentPosition (comp) != newPos)
{
if (undoable)
{
perform (new ChangeCompPositionAction (comp, *this, newPos), "Move components");
}
else
{
ComponentTypeHandler::setComponentPosition (comp, newPos, this);
changed();
}
}
}
void ComponentLayout::setComponentBoundsAndProperties (Component* componentToPosition, const Rectangle<int>& newBounds,
Component* referenceComponent, const bool undoable)
{
auto props = NamedValueSet (componentToPosition->getProperties());
auto rect = ComponentTypeHandler::getComponentPosition (componentToPosition).rect;
auto referenceComponentPosition = ComponentTypeHandler::getComponentPosition (referenceComponent);
auto referenceComponentRect = referenceComponentPosition.rect;
rect.setModes (referenceComponentRect.getAnchorPointX(), referenceComponentRect.getPositionModeX(),
referenceComponentRect.getAnchorPointY(), referenceComponentRect.getPositionModeY(),
referenceComponentRect.getWidthMode(), referenceComponentRect.getHeightMode(),
componentToPosition->getBounds());
props.set ("pos", rect.toString());
props.set ("relativeToX", String::toHexString (referenceComponentPosition.relativeToX));
props.set ("relativeToY", String::toHexString (referenceComponentPosition.relativeToY));
props.set ("relativeToW", String::toHexString (referenceComponentPosition.relativeToW));
props.set ("relativeToH", String::toHexString (referenceComponentPosition.relativeToH));
if (componentToPosition->getBounds() != newBounds || componentToPosition->getProperties() != props)
{
if (undoable)
{
perform (new ChangeCompBoundsAndPropertiesAction (componentToPosition, *this, newBounds, props), "Change component bounds");
}
else
{
componentToPosition->setBounds (newBounds);
componentToPosition->getProperties() = props;
updateStoredComponentPosition (componentToPosition, false);
changed();
}
}
}
void ComponentLayout::updateStoredComponentPosition (Component* comp, const bool undoable)
{
RelativePositionedRectangle newPos (ComponentTypeHandler::getComponentPosition (comp));
newPos.updateFromComponent (*comp, this);
setComponentPosition (comp, newPos, undoable);
}
//==============================================================================
void ComponentLayout::startDragging()
{
for (int i = 0; i < components.size(); ++i)
{
Component* const c = components[i];
c->getProperties().set ("xDragStart", c->getX());
c->getProperties().set ("yDragStart", c->getY());
}
jassert (document != nullptr);
document->beginTransaction();
}
void ComponentLayout::dragSelectedComps (int dx, int dy, const bool allowSnap)
{
if (allowSnap && document != nullptr && selected.getNumSelected() > 1)
{
dx = document->snapPosition (dx);
dy = document->snapPosition (dy);
}
for (int i = 0; i < selected.getNumSelected(); ++i)
{
Component* const c = selected.getSelectedItem (i);
const int startX = c->getProperties() ["xDragStart"];
const int startY = c->getProperties() ["yDragStart"];
if (allowSnap && document != nullptr && selected.getNumSelected() == 1)
{
c->setTopLeftPosition (document->snapPosition (startX + dx),
document->snapPosition (startY + dy));
}
else
{
c->setTopLeftPosition (startX + dx,
startY + dy);
}
updateStoredComponentPosition (c, false);
}
}
void ComponentLayout::endDragging()
{
// after the drag, roll back all the comps to their start position, then
// back to their finish positions using an undoable command.
document->beginTransaction();
for (int i = 0; i < selected.getNumSelected(); ++i)
{
Component* const c = selected.getSelectedItem (i);
const int newX = c->getX();
const int newY = c->getY();
const int startX = c->getProperties() ["xDragStart"];
const int startY = c->getProperties() ["yDragStart"];
c->setTopLeftPosition (startX, startY);
updateStoredComponentPosition (c, false);
c->setTopLeftPosition (newX, newY);
updateStoredComponentPosition (c, true);
}
document->beginTransaction();
}
void ComponentLayout::moveSelectedComps (int dx, int dy, bool snap)
{
startDragging();
dragSelectedComps (dx, dy, snap);
endDragging();
}
void ComponentLayout::stretchSelectedComps (int dw, int dh, bool allowSnap)
{
int neww, newh;
if (document != nullptr && selected.getNumSelected() == 1)
{
Component* const c = selected.getSelectedItem (0);
if (allowSnap)
{
int bot = c->getBottom() + dh;
int right = c->getRight() + dw;
bot = (dh != 0) ? document->snapPosition (bot) : bot;
right = (dw != 0) ? document->snapPosition (right) : right;
newh = bot - c->getY();
neww = right - c->getX();
}
else
{
newh = c->getHeight() + dh;
neww = c->getWidth() + dw;
}
c->setSize (neww, newh);
updateStoredComponentPosition (c, true);
}
else
{
for (int i = 0; i < selected.getNumSelected(); ++i)
{
Component* const c = selected.getSelectedItem (i);
neww = c->getWidth() + dw;
newh = c->getHeight() + dh;
c->setSize (neww, newh);
updateStoredComponentPosition (c, true);
}
}
}
//==============================================================================
void ComponentLayout::fillInGeneratedCode (GeneratedCode& code) const
{
for (int i = 0; i < components.size(); ++i)
if (Component* const comp = components.getUnchecked(i))
if (ComponentTypeHandler* const type = ComponentTypeHandler::getHandlerFor (*comp))
type->fillInGeneratedCode (comp, code);
}
//==============================================================================
String ComponentLayout::getComponentMemberVariableName (Component* comp) const
{
if (comp == nullptr)
return {};
String name (comp->getProperties() ["memberName"].toString());
if (name.isEmpty())
name = getUnusedMemberName (build_tools::makeValidIdentifier (comp->getName(), true, true, false), comp);
return name;
}
void ComponentLayout::setComponentMemberVariableName (Component* comp, const String& newName)
{
jassert (comp != nullptr);
const String oldName (getComponentMemberVariableName (comp));
comp->getProperties().set ("memberName", String());
const String n (getUnusedMemberName (build_tools::makeValidIdentifier (newName, false, true, false), comp));
comp->getProperties().set ("memberName", n);
if (n != oldName)
changed();
}
String ComponentLayout::getUnusedMemberName (String nameRoot, Component* comp) const
{
String n (nameRoot);
while (CharacterFunctions::isDigit (nameRoot.getLastCharacter()))
nameRoot = nameRoot.dropLastCharacters (1);
int suffix = 2;
for (;;)
{
bool alreadyUsed = false;
for (int i = 0; i < components.size(); ++i)
{
if (components[i] != comp
&& components[i]->getProperties() ["memberName"] == n)
{
alreadyUsed = true;
break;
}
}
if (! alreadyUsed)
break;
n = nameRoot + String (suffix++);
}
return n;
}
//==============================================================================
String ComponentLayout::getComponentVirtualClassName (Component* comp) const
{
if (comp == nullptr)
return {};
return comp->getProperties() ["virtualName"];
}
void ComponentLayout::setComponentVirtualClassName (Component* comp, const String& newName)
{
jassert (comp != nullptr);
const String name (build_tools::makeValidIdentifier (newName, false, false, true));
if (name != getComponentVirtualClassName (comp))
{
comp->getProperties().set ("virtualName", name);
changed();
}
}
//==============================================================================
void ComponentLayout::addToXml (XmlElement& xml) const
{
for (int i = 0; i < components.size(); ++i)
if (ComponentTypeHandler* h = ComponentTypeHandler::getHandlerFor (*components [i]))
xml.addChildElement (h->createXmlFor (components [i], this));
}
static String bracketIfNeeded (const String& s)
{
return s.containsAnyOf ("+-*/%") ? "(" + s + ")" : s;
}
//==============================================================================
void positionToCode (const RelativePositionedRectangle& position,
const ComponentLayout* layout,
String& x, String& y, String& w, String& h)
{
// these are the code sections for the positions of the relative comps
String xrx, xry, xrw, xrh;
if (Component* const relCompX = layout != nullptr ? layout->findComponentWithId (position.relativeToX) : nullptr)
positionToCode (ComponentTypeHandler::getComponentPosition (relCompX), layout, xrx, xry, xrw, xrh);
String yrx, yry, yrw, yrh;
if (Component* const relCompY = layout != nullptr ? layout->findComponentWithId (position.relativeToY) : nullptr)
positionToCode (ComponentTypeHandler::getComponentPosition (relCompY), layout, yrx, yry, yrw, yrh);
String wrx, wry, wrw, wrh;
if (Component* const relCompW = (layout != nullptr && position.rect.getWidthMode() != PositionedRectangle::absoluteSize)
? layout->findComponentWithId (position.relativeToW) : nullptr)
positionToCode (ComponentTypeHandler::getComponentPosition (relCompW), layout, wrx, wry, wrw, wrh);
String hrx, hry, hrw, hrh;
if (Component* const relCompH = (layout != nullptr && position.rect.getHeightMode() != PositionedRectangle::absoluteSize)
? layout->findComponentWithId (position.relativeToH) : nullptr)
positionToCode (ComponentTypeHandler::getComponentPosition (relCompH), layout, hrx, hry, hrw, hrh);
// width
if (position.rect.getWidthMode() == PositionedRectangle::proportionalSize)
{
if (wrw.isNotEmpty())
w << "juce::roundToInt (" << bracketIfNeeded (wrw) << " * " << CodeHelpers::floatLiteral (position.rect.getWidth(), 4) << ")";
else
w << "proportionOfWidth (" << CodeHelpers::floatLiteral (position.rect.getWidth(), 4) << ")";
}
else if (position.rect.getWidthMode() == PositionedRectangle::parentSizeMinusAbsolute)
{
if (wrw.isNotEmpty())
w << bracketIfNeeded (wrw) << " - " << roundToInt (position.rect.getWidth());
else
w << "getWidth() - " << roundToInt (position.rect.getWidth());
}
else
{
if (wrw.isNotEmpty())
w << bracketIfNeeded (wrw) << " + ";
w << roundToInt (position.rect.getWidth());
}
// height
if (position.rect.getHeightMode() == PositionedRectangle::proportionalSize)
{
if (hrh.isNotEmpty())
h << "juce::roundToInt (" << bracketIfNeeded (hrh) << " * " << CodeHelpers::floatLiteral (position.rect.getHeight(), 4) << ")";
else
h << "proportionOfHeight (" << CodeHelpers::floatLiteral (position.rect.getHeight(), 4) << ")";
}
else if (position.rect.getHeightMode() == PositionedRectangle::parentSizeMinusAbsolute)
{
if (hrh.isNotEmpty())
h << bracketIfNeeded (hrh) << " - " << roundToInt (position.rect.getHeight());
else
h << "getHeight() - " << roundToInt (position.rect.getHeight());
}
else
{
if (hrh.isNotEmpty())
h << bracketIfNeeded (hrh) << " + ";
h << roundToInt (position.rect.getHeight());
}
// x-pos
if (position.rect.getPositionModeX() == PositionedRectangle::proportionOfParentSize)
{
if (xrx.isNotEmpty() && xrw.isNotEmpty())
x << bracketIfNeeded (xrx) << " + juce::roundToInt (" << bracketIfNeeded (xrw) << " * " << CodeHelpers::floatLiteral (position.rect.getX(), 4) << ")";
else
x << "proportionOfWidth (" << CodeHelpers::floatLiteral (position.rect.getX(), 4) << ")";
}
else if (position.rect.getPositionModeX() == PositionedRectangle::absoluteFromParentTopLeft)
{
if (xrx.isNotEmpty())
x << bracketIfNeeded (xrx) << " + ";
x << roundToInt (position.rect.getX());
}
else if (position.rect.getPositionModeX() == PositionedRectangle::absoluteFromParentBottomRight)
{
if (xrx.isNotEmpty())
x << bracketIfNeeded (xrx) << " + " << bracketIfNeeded (xrw);
else
x << "getWidth()";
const int d = roundToInt (position.rect.getX());
if (d != 0)
x << " - " << d;
}
else if (position.rect.getPositionModeX() == PositionedRectangle::absoluteFromParentCentre)
{
if (xrx.isNotEmpty())
x << bracketIfNeeded (xrx) << " + " << bracketIfNeeded (xrw) << " / 2";
else
x << "(getWidth() / 2)";
const int d = roundToInt (position.rect.getX());
if (d != 0)
x << " + " << d;
}
if (w != "0")
{
if (position.rect.getAnchorPointX() == PositionedRectangle::anchorAtRightOrBottom)
x << " - " << bracketIfNeeded (w);
else if (position.rect.getAnchorPointX() == PositionedRectangle::anchorAtCentre)
x << " - (" << bracketIfNeeded (w) << " / 2)";
}
// y-pos
if (position.rect.getPositionModeY() == PositionedRectangle::proportionOfParentSize)
{
if (yry.isNotEmpty() && yrh.isNotEmpty())
y << bracketIfNeeded (yry) << " + juce::roundToInt (" << bracketIfNeeded (yrh) << " * " << CodeHelpers::floatLiteral (position.rect.getY(), 4) << ")";
else
y << "proportionOfHeight (" << CodeHelpers::floatLiteral (position.rect.getY(), 4) << ")";
}
else if (position.rect.getPositionModeY() == PositionedRectangle::absoluteFromParentTopLeft)
{
if (yry.isNotEmpty())
y << bracketIfNeeded (yry) << " + ";
y << roundToInt (position.rect.getY());
}
else if (position.rect.getPositionModeY() == PositionedRectangle::absoluteFromParentBottomRight)
{
if (yry.isNotEmpty())
y << bracketIfNeeded (yry) << " + " << bracketIfNeeded (yrh);
else
y << "getHeight()";
const int d = roundToInt (position.rect.getY());
if (d != 0)
y << " - " << d;
}
else if (position.rect.getPositionModeY() == PositionedRectangle::absoluteFromParentCentre)
{
if (yry.isNotEmpty())
y << bracketIfNeeded (yry) << " + " << bracketIfNeeded (yrh) << " / 2";
else
y << "(getHeight() / 2)";
const int d = roundToInt (position.rect.getY());
if (d != 0)
y << " + " << d;
}
if (h != "0")
{
if (position.rect.getAnchorPointY() == PositionedRectangle::anchorAtRightOrBottom)
y << " - " << bracketIfNeeded (h);
else if (position.rect.getAnchorPointY() == PositionedRectangle::anchorAtCentre)
y << " - (" << bracketIfNeeded (h) << " / 2)";
}
}