252 lines
8.8 KiB
C++
252 lines
8.8 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2017 - ROLI Ltd.
|
|
|
|
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 5 End-User License
|
|
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
|
|
27th April 2017).
|
|
|
|
End User License Agreement: www.juce.com/juce-5-licence
|
|
Privacy Policy: www.juce.com/juce-5-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.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
/**
|
|
Defines an item in a Grid
|
|
@see Grid
|
|
|
|
@tags{GUI}
|
|
*/
|
|
class JUCE_API GridItem
|
|
{
|
|
public:
|
|
enum class Keyword { autoValue };
|
|
|
|
//==============================================================================
|
|
/** Represents a span. */
|
|
struct Span
|
|
{
|
|
explicit Span (int numberToUse) noexcept : number (numberToUse)
|
|
{
|
|
/* Span must be at least one and positive */
|
|
jassert (numberToUse > 0);
|
|
}
|
|
|
|
explicit Span (int numberToUse, const juce::String& nameToUse) : Span (numberToUse)
|
|
{
|
|
/* Name must not be empty */
|
|
jassert (nameToUse.isNotEmpty());
|
|
name = nameToUse;
|
|
}
|
|
|
|
explicit Span (const juce::String& nameToUse) : name (nameToUse)
|
|
{
|
|
/* Name must not be empty */
|
|
jassert (nameToUse.isNotEmpty());
|
|
}
|
|
|
|
int number = 1;
|
|
juce::String name;
|
|
};
|
|
|
|
//==============================================================================
|
|
/** Represents a property. */
|
|
struct Property
|
|
{
|
|
/** */
|
|
Property() noexcept;
|
|
|
|
/** */
|
|
Property (Keyword keyword) noexcept;
|
|
|
|
/** */
|
|
Property (const char* lineNameToUse) noexcept;
|
|
|
|
/** */
|
|
Property (const juce::String& lineNameToUse) noexcept;
|
|
|
|
/** */
|
|
Property (int numberToUse) noexcept;
|
|
|
|
/** */
|
|
Property (int numberToUse, const juce::String& lineNameToUse) noexcept;
|
|
|
|
/** */
|
|
Property (Span spanToUse) noexcept;
|
|
|
|
private:
|
|
bool hasSpan() const noexcept { return isSpan && ! isAuto; }
|
|
bool hasAbsolute() const noexcept { return ! (isSpan || isAuto); }
|
|
bool hasAuto() const noexcept { return isAuto; }
|
|
bool hasName() const noexcept { return name.isNotEmpty(); }
|
|
|
|
friend class Grid;
|
|
|
|
juce::String name;
|
|
int number = 1; /** Either an absolute line number or number of lines to span across. */
|
|
bool isSpan = false;
|
|
bool isAuto = false;
|
|
};
|
|
|
|
//==============================================================================
|
|
/** Represents start and end properties. */
|
|
struct StartAndEndProperty { Property start, end; };
|
|
|
|
//==============================================================================
|
|
/** Possible values for the justifySelf property. */
|
|
enum class JustifySelf : int
|
|
{
|
|
start = 0, /**< Content inside the item is justified towards the left. */
|
|
end, /**< Content inside the item is justified towards the right. */
|
|
center, /**< Content inside the item is justified towards the center. */
|
|
stretch, /**< Content inside the item is stretched from left to right. */
|
|
autoValue /**< Follows the Grid container's justifyItems property. */
|
|
};
|
|
|
|
/** Possible values for the alignSelf property. */
|
|
enum class AlignSelf : int
|
|
{
|
|
start = 0, /**< Content inside the item is aligned towards the top. */
|
|
end, /**< Content inside the item is aligned towards the bottom. */
|
|
center, /**< Content inside the item is aligned towards the center. */
|
|
stretch, /**< Content inside the item is stretched from top to bottom. */
|
|
autoValue /**< Follows the Grid container's alignItems property. */
|
|
};
|
|
|
|
/** Creates an item with default parameters. */
|
|
GridItem() noexcept;
|
|
/** Creates an item with a given Component to use. */
|
|
GridItem (juce::Component& componentToUse) noexcept;
|
|
/** Creates an item with a given Component to use. */
|
|
GridItem (juce::Component* componentToUse) noexcept;
|
|
|
|
/** Destructor. */
|
|
~GridItem() noexcept;
|
|
|
|
//==============================================================================
|
|
/** If this is non-null, it represents a Component whose bounds are controlled by this item. */
|
|
juce::Component* associatedComponent = nullptr;
|
|
|
|
//==============================================================================
|
|
/** Determines the order used to lay out items in their grid container. */
|
|
int order = 0;
|
|
|
|
/** This is the justify-self property of the item.
|
|
This determines the alignment of the item along the row.
|
|
*/
|
|
JustifySelf justifySelf = JustifySelf::autoValue;
|
|
|
|
/** This is the align-self property of the item.
|
|
This determines the alignment of the item along the column.
|
|
*/
|
|
AlignSelf alignSelf = AlignSelf::autoValue;
|
|
|
|
/** These are the start and end properties of the column. */
|
|
StartAndEndProperty column = { Keyword::autoValue, Keyword::autoValue };
|
|
|
|
/** These are the start and end properties of the row. */
|
|
StartAndEndProperty row = { Keyword::autoValue, Keyword::autoValue };
|
|
|
|
/** */
|
|
juce::String area;
|
|
|
|
//==============================================================================
|
|
enum
|
|
{
|
|
useDefaultValue = -2, /* TODO: useDefaultValue should be named useAuto */
|
|
notAssigned = -1
|
|
};
|
|
|
|
/* TODO: move all of this into a common class that is shared with the FlexItem */
|
|
float width = notAssigned;
|
|
float minWidth = 0;
|
|
float maxWidth = notAssigned;
|
|
|
|
float height = notAssigned;
|
|
float minHeight = 0;
|
|
float maxHeight = notAssigned;
|
|
|
|
/** Represents a margin. */
|
|
struct Margin
|
|
{
|
|
Margin() noexcept;
|
|
Margin (int size) noexcept;
|
|
Margin (float size) noexcept;
|
|
Margin (float top, float right, float bottom, float left) noexcept; /**< Creates a margin with these sizes. */
|
|
|
|
float left;
|
|
float right;
|
|
float top;
|
|
float bottom;
|
|
};
|
|
|
|
/** The margin to leave around this item. */
|
|
Margin margin;
|
|
|
|
/** The item's current bounds. */
|
|
juce::Rectangle<float> currentBounds;
|
|
|
|
/** Short-hand */
|
|
void setArea (Property rowStart, Property columnStart, Property rowEnd, Property columnEnd);
|
|
|
|
/** Short-hand, span of 1 by default */
|
|
void setArea (Property rowStart, Property columnStart);
|
|
|
|
/** Short-hand */
|
|
void setArea (const juce::String& areaName);
|
|
|
|
/** Short-hand */
|
|
GridItem withArea (Property rowStart, Property columnStart, Property rowEnd, Property columnEnd) const noexcept;
|
|
|
|
/** Short-hand, span of 1 by default */
|
|
GridItem withArea (Property rowStart, Property columnStart) const noexcept;
|
|
|
|
/** Short-hand */
|
|
GridItem withArea (const juce::String& areaName) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new row property. */
|
|
GridItem withRow (StartAndEndProperty row) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new column property. */
|
|
GridItem withColumn (StartAndEndProperty column) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new alignSelf property. */
|
|
GridItem withAlignSelf (AlignSelf newAlignSelf) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new justifySelf property. */
|
|
GridItem withJustifySelf (JustifySelf newJustifySelf) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new width. */
|
|
GridItem withWidth (float newWidth) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new height. */
|
|
GridItem withHeight (float newHeight) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new size. */
|
|
GridItem withSize (float newWidth, float newHeight) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new margin. */
|
|
GridItem withMargin (Margin newMargin) const noexcept;
|
|
|
|
/** Returns a copy of this object with a new order. */
|
|
GridItem withOrder (int newOrder) const noexcept;
|
|
};
|
|
|
|
} // namespace juce
|