mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-05 12:05:22 +00:00
257 lines
7.2 KiB
C++
257 lines
7.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#ifndef nsStyleCoord_h___
|
|
#define nsStyleCoord_h___
|
|
|
|
#include "nscore.h"
|
|
#include "nsCoord.h"
|
|
#include "nsCRT.h"
|
|
class nsString;
|
|
|
|
enum nsStyleUnit {
|
|
eStyleUnit_Null = 0, // (no value) value is not specified
|
|
eStyleUnit_Normal = 1, // (no value)
|
|
eStyleUnit_Auto = 2, // (no value)
|
|
eStyleUnit_Inherit = 3, // (no value) value should be inherited
|
|
eStyleUnit_Percent = 10, // (float) 1.0 == 100%
|
|
eStyleUnit_Factor = 11, // (float) a multiplier
|
|
eStyleUnit_Coord = 20, // (nscoord) value is twips
|
|
eStyleUnit_Integer = 30, // (int) value is simple integer
|
|
eStyleUnit_Proportional = 31, // (int) value has proportional meaning
|
|
eStyleUnit_Enumerated = 32, // (int) value has enumerated meaning
|
|
eStyleUnit_Chars = 33 // (int) value is number of characters
|
|
};
|
|
|
|
typedef union {
|
|
PRInt32 mInt; // nscoord is a PRInt32 for now
|
|
float mFloat;
|
|
} nsStyleUnion;
|
|
|
|
class nsStyleCoord {
|
|
public:
|
|
nsStyleCoord(nsStyleUnit aUnit = eStyleUnit_Null);
|
|
nsStyleCoord(nscoord aValue);
|
|
nsStyleCoord(PRInt32 aValue, nsStyleUnit aUnit);
|
|
nsStyleCoord(float aValue, nsStyleUnit aUnit);
|
|
nsStyleCoord(const nsStyleCoord& aCopy);
|
|
|
|
nsStyleCoord& operator=(const nsStyleCoord& aCopy);
|
|
PRBool operator==(const nsStyleCoord& aOther) const;
|
|
PRBool operator!=(const nsStyleCoord& aOther) const;
|
|
|
|
nsStyleUnit GetUnit(void) const { return mUnit; }
|
|
nscoord GetCoordValue(void) const;
|
|
PRInt32 GetIntValue(void) const;
|
|
float GetPercentValue(void) const;
|
|
float GetFactorValue(void) const;
|
|
void GetUnionValue(nsStyleUnion& aValue) const;
|
|
|
|
void Reset(void); // sets to null
|
|
void SetCoordValue(nscoord aValue);
|
|
void SetIntValue(PRInt32 aValue, nsStyleUnit aUnit);
|
|
void SetPercentValue(float aValue);
|
|
void SetFactorValue(float aValue);
|
|
void SetNormalValue(void);
|
|
void SetAutoValue(void);
|
|
void SetInheritValue(void);
|
|
void SetUnionValue(const nsStyleUnion& aValue, nsStyleUnit aUnit);
|
|
|
|
void AppendToString(nsString& aBuffer) const;
|
|
void ToString(nsString& aBuffer) const;
|
|
|
|
public:
|
|
nsStyleUnit mUnit;
|
|
nsStyleUnion mValue;
|
|
};
|
|
|
|
|
|
class nsStyleSides {
|
|
public:
|
|
nsStyleSides(void);
|
|
|
|
// nsStyleSides& operator=(const nsStyleSides& aCopy); // use compiler's version
|
|
PRBool operator==(const nsStyleSides& aOther) const;
|
|
PRBool operator!=(const nsStyleSides& aOther) const;
|
|
|
|
nsStyleUnit GetLeftUnit(void) const;
|
|
nsStyleUnit GetTopUnit(void) const;
|
|
nsStyleUnit GetRightUnit(void) const;
|
|
nsStyleUnit GetBottomUnit(void) const;
|
|
|
|
nsStyleCoord& GetLeft(nsStyleCoord& aCoord) const;
|
|
nsStyleCoord& GetTop(nsStyleCoord& aCoord) const;
|
|
nsStyleCoord& GetRight(nsStyleCoord& aCoord) const;
|
|
nsStyleCoord& GetBottom(nsStyleCoord& aCoord) const;
|
|
|
|
void Reset(void);
|
|
void SetLeft(const nsStyleCoord& aCoord);
|
|
void SetTop(const nsStyleCoord& aCoord);
|
|
void SetRight(const nsStyleCoord& aCoord);
|
|
void SetBottom(const nsStyleCoord& aCoord);
|
|
|
|
void AppendToString(nsString& aBuffer) const;
|
|
void ToString(nsString& aBuffer) const;
|
|
|
|
protected:
|
|
PRUint8 mLeftUnit;
|
|
PRUint8 mTopUnit;
|
|
PRUint8 mRightUnit;
|
|
PRUint8 mBottomUnit;
|
|
nsStyleUnion mLeftValue;
|
|
nsStyleUnion mTopValue;
|
|
nsStyleUnion mRightValue;
|
|
nsStyleUnion mBottomValue;
|
|
};
|
|
|
|
// -------------------------
|
|
// nsStyleCoord inlines
|
|
//
|
|
inline PRBool nsStyleCoord::operator!=(const nsStyleCoord& aOther) const
|
|
{
|
|
return PRBool(! ((*this) == aOther));
|
|
}
|
|
|
|
inline PRInt32 nsStyleCoord::GetCoordValue(void) const
|
|
{
|
|
NS_ASSERTION((mUnit == eStyleUnit_Coord), "not a coord value");
|
|
if (mUnit == eStyleUnit_Coord) {
|
|
return mValue.mInt;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
inline PRInt32 nsStyleCoord::GetIntValue(void) const
|
|
{
|
|
NS_ASSERTION((mUnit == eStyleUnit_Proportional) ||
|
|
(mUnit == eStyleUnit_Enumerated) ||
|
|
(mUnit == eStyleUnit_Chars) ||
|
|
(mUnit == eStyleUnit_Integer), "not an int value");
|
|
if ((mUnit == eStyleUnit_Proportional) ||
|
|
(mUnit == eStyleUnit_Enumerated) ||
|
|
(mUnit == eStyleUnit_Chars) ||
|
|
(mUnit == eStyleUnit_Integer)) {
|
|
return mValue.mInt;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
inline float nsStyleCoord::GetPercentValue(void) const
|
|
{
|
|
NS_ASSERTION(mUnit == eStyleUnit_Percent, "not a percent value");
|
|
if (mUnit == eStyleUnit_Percent) {
|
|
return mValue.mFloat;
|
|
}
|
|
return 0.0f;
|
|
}
|
|
|
|
inline float nsStyleCoord::GetFactorValue(void) const
|
|
{
|
|
NS_ASSERTION(mUnit == eStyleUnit_Factor, "not a factor value");
|
|
if (mUnit == eStyleUnit_Factor) {
|
|
return mValue.mFloat;
|
|
}
|
|
return 0.0f;
|
|
}
|
|
|
|
inline void nsStyleCoord::GetUnionValue(nsStyleUnion& aValue) const
|
|
{
|
|
nsCRT::memcpy(&aValue, &mValue, sizeof(nsStyleUnion));
|
|
}
|
|
|
|
// -------------------------
|
|
// nsStyleSides inlines
|
|
//
|
|
inline PRBool nsStyleSides::operator!=(const nsStyleSides& aOther) const
|
|
{
|
|
return PRBool(! ((*this) == aOther));
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetLeftUnit(void) const
|
|
{
|
|
return (nsStyleUnit)mLeftUnit;
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetTopUnit(void) const
|
|
{
|
|
return (nsStyleUnit)mTopUnit;
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetRightUnit(void) const
|
|
{
|
|
return (nsStyleUnit)mRightUnit;
|
|
}
|
|
|
|
inline nsStyleUnit nsStyleSides::GetBottomUnit(void) const
|
|
{
|
|
return (nsStyleUnit)mBottomUnit;
|
|
}
|
|
|
|
inline nsStyleCoord& nsStyleSides::GetLeft(nsStyleCoord& aCoord) const
|
|
{
|
|
aCoord.SetUnionValue(mLeftValue, (nsStyleUnit)mLeftUnit);
|
|
return aCoord;
|
|
}
|
|
|
|
inline nsStyleCoord& nsStyleSides::GetTop(nsStyleCoord& aCoord) const
|
|
{
|
|
aCoord.SetUnionValue(mTopValue, (nsStyleUnit)mTopUnit);
|
|
return aCoord;
|
|
}
|
|
|
|
inline nsStyleCoord& nsStyleSides::GetRight(nsStyleCoord& aCoord) const
|
|
{
|
|
aCoord.SetUnionValue(mRightValue, (nsStyleUnit)mRightUnit);
|
|
return aCoord;
|
|
}
|
|
|
|
inline nsStyleCoord& nsStyleSides::GetBottom(nsStyleCoord& aCoord) const
|
|
{
|
|
aCoord.SetUnionValue(mBottomValue, (nsStyleUnit)mBottomUnit);
|
|
return aCoord;
|
|
}
|
|
|
|
inline void nsStyleSides::SetLeft(const nsStyleCoord& aCoord)
|
|
{
|
|
mLeftUnit = aCoord.GetUnit();
|
|
aCoord.GetUnionValue(mLeftValue);
|
|
}
|
|
|
|
inline void nsStyleSides::SetTop(const nsStyleCoord& aCoord)
|
|
{
|
|
mTopUnit = aCoord.GetUnit();
|
|
aCoord.GetUnionValue(mTopValue);
|
|
}
|
|
|
|
inline void nsStyleSides::SetRight(const nsStyleCoord& aCoord)
|
|
{
|
|
mRightUnit = aCoord.GetUnit();
|
|
aCoord.GetUnionValue(mRightValue);
|
|
}
|
|
|
|
inline void nsStyleSides::SetBottom(const nsStyleCoord& aCoord)
|
|
{
|
|
mBottomUnit = aCoord.GetUnit();
|
|
aCoord.GetUnionValue(mBottomValue);
|
|
}
|
|
|
|
#endif /* nsStyleCoord_h___ */
|