LLScrollbar Class Reference

#include <llscrollbar.h>

Inheritance diagram for LLScrollbar:

Collaboration diagram for LLScrollbar:

List of all members.

Public Types

enum ORIENTATION { HORIZONTAL, VERTICAL }

Public Member Functions

LLScrollbar (const LLString &name, LLRect rect, ORIENTATION orientation, S32 doc_size, S32 doc_pos, S32 page_size, void(*change_callback)(S32 new_pos, LLScrollbar *self, void *userdata), void *callback_user_data=NULL, S32 step_size=1)

virtual ~LLScrollbar ()

virtual void setValue (const LLSD &value)

virtual BOOL handleKeyHere (KEY key, MASK mask)

virtual BOOL handleMouseDown (S32 x, S32 y, MASK mask)

virtual BOOL handleMouseUp (S32 x, S32 y, MASK mask)

virtual BOOL handleHover (S32 x, S32 y, MASK mask)

virtual BOOL handleScrollWheel (S32 x, S32 y, S32 clicks)

virtual BOOL handleDragAndDrop (S32 x, S32 y, MASK mask, BOOL drop, EDragAndDropType cargo_type, void *cargo_data, EAcceptance *accept, LLString &tooltip_msg)

virtual void reshape (S32 width, S32 height, BOOL called_from_parent=TRUE)

virtual void draw ()

void setDocSize (S32 size)

S32 getDocSize () const

void setDocPos (S32 pos)

S32 getDocPos () const

BOOL isAtBeginning ()

BOOL isAtEnd ()

void setDocParams (S32 size, S32 pos)

void setPageSize (S32 page_size)

S32 getPageSize () const

S32 getDocPosMax () const

void pageUp (S32 overlap)

void pageDown (S32 overlap)

void setTrackColor (const LLColor4 &color)

void setThumbColor (const LLColor4 &color)

void setHighlightColor (const LLColor4 &color)

void setShadowColor (const LLColor4 &color)

void setOnScrollEndCallback (void(*callback)(void *), void *userdata)

Static Public Member Functions

static void onLineUpBtnPressed (void *userdata)

static void onLineDownBtnPressed (void *userdata)

Private Member Functions

void updateThumbRect ()

void changeLine (S32 delta, BOOL update_thumb)

Private Attributes

void(* mChangeCallback )(S32 new_pos, LLScrollbar *self, void *userdata)

void * mCallbackUserData

const ORIENTATION mOrientation

S32 mDocSize

S32 mDocPos

S32 mPageSize

S32 mStepSize

BOOL mDocChanged

LLRect mThumbRect

S32 mDragStartX

S32 mDragStartY

F32 mHoverGlowStrength

F32 mCurGlowStrength

LLRect mOrigRect

S32 mLastDelta

LLColor4 mTrackColor

LLColor4 mThumbColor

LLColor4 mFocusColor

LLColor4 mHighlightColor

LLColor4 mShadowColor

void(* mOnScrollEndCallback )(void *)

void * mOnScrollEndData

Detailed Description

Definition at line 48 of file llscrollbar.h.

Member Enumeration Documentation

enum LLScrollbar::ORIENTATION

Enumerator:

HORIZONTAL
VERTICAL

Definition at line 52 of file llscrollbar.h.

Constructor & Destructor Documentation

LLScrollbar::LLScrollbar	(	const LLString &	name,
		LLRect	rect,
		LLScrollbar::ORIENTATION	orientation,
		S32	doc_size,
		S32	doc_pos,
		S32	page_size,
		void()(S32 new_pos, LLScrollbar self, void *userdata)	change_callback,
		void *	callback_user_data = `NULL`,
		S32	step_size = `1`
	)

Definition at line 51 of file llscrollbar.cpp.

References LLView::addChild(), FALSE, LLView::getRect(), mOrientation, onLineDownBtnPressed(), onLineUpBtnPressed(), SCROLLBAR_SIZE, LLView::setFollowsBottom(), LLView::setFollowsLeft(), LLView::setFollowsRight(), LLView::setFollowsTop(), LLButton::setHeldDownCallback(), LLRectBase< Type >::setLeftTopAndSize(), LLRectBase< Type >::setOriginAndSize(), LLUICtrl::setTabStop(), LLFontGL::sSansSerif, updateThumbRect(), and VERTICAL.

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LLScrollbar::~LLScrollbar ( ) [virtual]

Definition at line 147 of file llscrollbar.cpp.

Member Function Documentation

void LLScrollbar::setValue ( const LLSD & value ) [virtual]

Reimplemented from LLView.

Definition at line 560 of file llscrollbar.cpp.

References LLSD::asInteger(), S32, and setDocPos().

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BOOL LLScrollbar::handleKeyHere	(	KEY	key,
		MASK	mask
	)			`[virtual]`

Reimplemented from LLView.

Definition at line 566 of file llscrollbar.cpp.

References changeLine(), FALSE, getDocPosMax(), KEY_DOWN, KEY_END, KEY_HOME, KEY_PAGE_DOWN, KEY_PAGE_UP, KEY_UP, mDocPos, mStepSize, pageDown(), pageUp(), and TRUE.

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BOOL LLScrollbar::handleMouseDown	(	S32	x,
		S32	y,
		MASK	mask
	)			`[virtual]`

Reimplemented from LLView.

Definition at line 251 of file llscrollbar.cpp.

References LLView::childrenHandleMouseDown(), gFocusMgr, HORIZONTAL, LLRectBase< Type >::mBottom, mDragStartX, mDragStartY, mLastDelta, LLRectBase< Type >::mLeft, mOrientation, mOrigRect, LLRectBase< Type >::mRight, mThumbRect, LLRectBase< Type >::mTop, NULL, pageDown(), pageUp(), LLRectBase< Type >::pointInRect(), LLFocusMgr::setMouseCapture(), TRUE, and VERTICAL.

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BOOL LLScrollbar::handleMouseUp	(	S32	x,
		S32	y,
		MASK	mask
	)			`[virtual]`

Reimplemented from LLView.

Definition at line 443 of file llscrollbar.cpp.

References FALSE, gFocusMgr, LLView::handleMouseUp(), LLView::hasMouseCapture(), NULL, LLFocusMgr::setMouseCapture(), and TRUE.

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BOOL LLScrollbar::handleHover	(	S32	x,
		S32	y,
		MASK	mask
	)			`[virtual]`

Reimplemented from LLView.

Definition at line 296 of file llscrollbar.cpp.

References changeLine(), LLView::childrenHandleMouseUp(), FALSE, getDocPosMax(), LLRectBase< Type >::getHeight(), LLView::getName(), LLView::getRect(), LLRectBase< Type >::getWidth(), LLView::getWindow(), LLView::hasMouseCapture(), llclamp(), lldebugst, llendl, LLRectBase< Type >::mBottom, mDocChanged, mDocPos, mDragStartX, mDragStartY, mLastDelta, LLRectBase< Type >::mLeft, mOrientation, mOrigRect, LLRectBase< Type >::mRight, mThumbRect, LLRectBase< Type >::mTop, NULL, S32, SCROLLBAR_SIZE, LLWindow::setCursor(), TRUE, UI_CURSOR_ARROW, and VERTICAL.

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BOOL LLScrollbar::handleScrollWheel	(	S32	x,
		S32	y,
		S32	clicks
	)			`[virtual]`

Reimplemented from LLView.

Definition at line 415 of file llscrollbar.cpp.

References changeLine(), mStepSize, and TRUE.

Referenced by LLTextEditor::handleScrollWheel(), and LLScrollListCtrl::handleScrollWheel().

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BOOL LLScrollbar::handleDragAndDrop	(	S32	x,
		S32	y,
		MASK	mask,
		BOOL	drop,
		EDragAndDropType	cargo_type,
		void *	cargo_data,
		EAcceptance *	accept,
		LLString &	tooltip_msg
	)			`[virtual]`

Reimplemented from LLView.

Definition at line 421 of file llscrollbar.cpp.

References FALSE.

void LLScrollbar::reshape	(	S32	width,
		S32	height,
		BOOL	called_from_parent = `TRUE`
	)			`[virtual]`

Reimplemented from LLView.

Definition at line 460 of file llscrollbar.cpp.

References LLView::reshape(), and updateThumbRect().

Referenced by LLScrollListCtrl::updateLayout(), and LLScrollableContainerView::updateScroll().

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void LLScrollbar::draw ( void ) [virtual]

Reimplemented from LLView.

Definition at line 467 of file llscrollbar.cpp.

References LLWindow::convertCoords(), LLView::draw(), LLUIImage::draw(), LLUIImage::drawSolid(), LLWindow::getCursorPosition(), getDocPos(), getDocPosMax(), LLView::getEnabled(), LLFocusMgr::getFocusColor(), LLCriticalDamp::getInterpolant(), LLFocusMgr::getKeyboardFocus(), LLFocusMgr::getMouseCapture(), LLView::getRect(), LLImageProviderInterface::getUIImage(), LLView::getWindow(), gFocusMgr, gl_rect_2d(), LLView::hasMouseCapture(), HORIZONTAL, lerp(), mCurGlowStrength, mHoverGlowStrength, mOnScrollEndCallback, mOnScrollEndData, mOrientation, mThumbColor, mThumbRect, mTrackColor, LLCoord::mX, LLCoord::mY, LLRectBase< Type >::pointInRect(), S32, LLView::screenPointToLocal(), SCROLLBAR_SIZE, LLUI::sImageProvider, LLRectBase< Type >::stretch(), TRUE, and VERTICAL.

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void LLScrollbar::setDocSize ( S32 size )

Definition at line 172 of file llscrollbar.cpp.

References getDocPosMax(), llclamp(), mDocChanged, mDocPos, mDocSize, TRUE, and updateThumbRect().

Referenced by LLScrollableContainerView::reshape(), LLScrollableContainerView::scrollToShowRect(), LLScrollListCtrl::updateLayout(), LLTextEditor::updateLineStartList(), LLScrollableContainerView::updateScroll(), and LLTextEditor::updateScrollFromCursor().

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S32 LLScrollbar::getDocSize ( ) const [inline]

Definition at line 80 of file llscrollbar.h.

References mDocSize.

Referenced by LLScrollListCtrl::setEnabled(), LLTextEditor::setHideScrollbarForShortDocs(), and LLTextEditor::updateLineStartList().

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void LLScrollbar::setDocPos ( S32 pos )

Definition at line 161 of file llscrollbar.cpp.

References getDocPosMax(), llclamp(), mDocChanged, mDocPos, TRUE, and updateThumbRect().

Referenced by LLTextEditor::changePage(), LLTextEditor::endOfDoc(), LLScrollableContainerView::goToBottom(), LLScrollableContainerView::goToTop(), LLScrollableContainerView::handleDragAndDrop(), LLViewerTextEditor::handleHover(), LLTextEditor::handleHover(), LLViewerTextEditor::handleMouseUp(), LLTextEditor::handleMouseUp(), LLTextEditor::handleNavigationKey(), LLTextEditor::replaceTextAll(), LLScrollableContainerView::scrollToShowRect(), LLScrollListCtrl::setScrollPos(), setValue(), LLScrollableContainerView::updateScroll(), and LLTextEditor::updateScrollFromCursor().

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S32 LLScrollbar::getDocPos ( ) const [inline]

Definition at line 85 of file llscrollbar.h.

References mDocPos.

Referenced by LLTextEditor::appendText(), LLTextEditor::changePage(), draw(), LLTextEditor::drawCursor(), LLTextEditor::drawPreeditMarker(), LLTextEditor::drawSelectionBackground(), LLTextEditor::drawText(), LLTextEditor::endOfDoc(), LLTextEditor::getCursorPosFromLocalCoord(), LLTextEditor::getPreeditLocation(), LLScrollListCtrl::getScrollPos(), LLScrollableContainerView::handleDragAndDrop(), LLViewerTextEditor::handleHover(), LLTextEditor::handleHover(), LLViewerTextEditor::handleMouseDown(), LLViewerTextEditor::handleMouseUp(), LLTextEditor::handleMouseUp(), LLTextEditor::handleNavigationKey(), LLScrollableContainerView::needsToScroll(), LLTextEditor::replaceTextAll(), LLScrollableContainerView::scrollToShowRect(), LLScrollListCtrl::setScrollPos(), and LLTextEditor::updateScrollFromCursor().

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BOOL LLScrollbar::isAtBeginning ( )

Definition at line 196 of file llscrollbar.cpp.

References mDocPos.

Referenced by LLTextEditor::isScrolledToTop().

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BOOL LLScrollbar::isAtEnd ( )

Definition at line 201 of file llscrollbar.cpp.

References getDocPosMax(), and mDocPos.

Referenced by LLTextEditor::isScrolledToBottom().

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void LLScrollbar::setDocParams	(	S32	size,
		S32	pos
	)

Definition at line 152 of file llscrollbar.cpp.

References getDocPosMax(), llclamp(), mDocChanged, mDocPos, mDocSize, TRUE, and updateThumbRect().

Referenced by LLScrollListCtrl::clearRows().

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void LLScrollbar::setPageSize ( S32 page_size )

Definition at line 184 of file llscrollbar.cpp.

References getDocPosMax(), llclamp(), mDocChanged, mDocPos, mPageSize, TRUE, and updateThumbRect().

Referenced by LLTextEditor::reshape(), LLScrollableContainerView::reshape(), LLScrollableContainerView::scrollToShowRect(), LLScrollListCtrl::updateLayout(), and LLScrollableContainerView::updateScroll().

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S32 LLScrollbar::getPageSize ( ) const [inline]

Definition at line 95 of file llscrollbar.h.

References mPageSize.

Referenced by LLTextEditor::changePage(), LLScrollListCtrl::handleKeyHere(), LLScrollListCtrl::setEnabled(), LLTextEditor::setHideScrollbarForShortDocs(), LLTextEditor::updateLineStartList(), and LLTextEditor::updateScrollFromCursor().

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S32 LLScrollbar::getDocPosMax ( ) const [inline]

Definition at line 98 of file llscrollbar.h.

References llmax(), mDocSize, and mPageSize.

Referenced by LLTextEditor::appendText(), changeLine(), LLTextEditor::changePage(), draw(), LLTextEditor::endOfDoc(), LLScrollableContainerView::handleDragAndDrop(), LLTextEditor::handleHover(), handleHover(), handleKeyHere(), LLViewerTextEditor::handleMouseDown(), LLViewerTextEditor::handleMouseUp(), LLTextEditor::handleNavigationKey(), isAtEnd(), setDocParams(), setDocPos(), setDocSize(), setPageSize(), LLTextEditor::updateScrollFromCursor(), and updateThumbRect().

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void LLScrollbar::pageUp ( S32 overlap )

Definition at line 604 of file llscrollbar.cpp.

References changeLine(), mDocSize, mPageSize, and TRUE.

Referenced by handleKeyHere(), handleMouseDown(), and LLScrollableContainerView::pageUp().

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void LLScrollbar::pageDown ( S32 overlap )

Definition at line 612 of file llscrollbar.cpp.

References changeLine(), mDocSize, mPageSize, and TRUE.

Referenced by handleKeyHere(), handleMouseDown(), and LLScrollableContainerView::pageDown().

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void LLScrollbar::onLineUpBtnPressed ( void * userdata ) [static]

Definition at line 621 of file llscrollbar.cpp.

References TRUE.

Referenced by LLScrollbar().

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void LLScrollbar::onLineDownBtnPressed ( void * userdata ) [static]

Definition at line 629 of file llscrollbar.cpp.

References TRUE.

Referenced by LLScrollbar().

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void LLScrollbar::setTrackColor ( const LLColor4 & color ) [inline]

Definition at line 106 of file llscrollbar.h.

References mTrackColor.

Referenced by LLTextEditor::setTrackColor().

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void LLScrollbar::setThumbColor ( const LLColor4 & color ) [inline]

Definition at line 107 of file llscrollbar.h.

References mThumbColor.

Referenced by LLTextEditor::setThumbColor().

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void LLScrollbar::setHighlightColor ( const LLColor4 & color ) [inline]

Definition at line 108 of file llscrollbar.h.

References mHighlightColor.

Referenced by LLTextEditor::setHighlightColor().

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void LLScrollbar::setShadowColor ( const LLColor4 & color ) [inline]

Definition at line 109 of file llscrollbar.h.

References mShadowColor.

Referenced by LLTextEditor::setShadowColor().

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void LLScrollbar::setOnScrollEndCallback	(	void()(void )	callback,
		void *	userdata
	)			`[inline]`

Definition at line 111 of file llscrollbar.h.

References mOnScrollEndCallback, and mOnScrollEndData.

Referenced by LLTextEditor::LLTextEditor(), and LLTextEditor::setOnScrollEndCallback().

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void LLScrollbar::updateThumbRect ( ) [private]

Definition at line 207 of file llscrollbar.cpp.

References getDocPosMax(), LLRectBase< Type >::getHeight(), LLView::getRect(), LLRectBase< Type >::getWidth(), HORIZONTAL, llclamp(), llmax(), llmin(), LLRectBase< Type >::mBottom, mDocPos, mDocSize, LLRectBase< Type >::mLeft, mOnScrollEndCallback, mOnScrollEndData, mOrientation, mPageSize, LLRectBase< Type >::mRight, mThumbRect, LLRectBase< Type >::mTop, S32, SCROLLBAR_SIZE, and VERTICAL.

Referenced by changeLine(), LLScrollbar(), reshape(), setDocParams(), setDocPos(), setDocSize(), and setPageSize().

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void LLScrollbar::changeLine	(	S32	delta,
		BOOL	update_thumb
	)			`[private]`

Definition at line 541 of file llscrollbar.cpp.

References getDocPosMax(), llclamp(), mCallbackUserData, mChangeCallback, mDocPos, S32, and updateThumbRect().

Referenced by handleHover(), handleKeyHere(), handleScrollWheel(), pageDown(), and pageUp().

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Member Data Documentation

void(* LLScrollbar::mChangeCallback)(S32 new_pos, LLScrollbar *self, void *userdata) [private]

Referenced by changeLine().

void* LLScrollbar::mCallbackUserData [private]

Reimplemented from LLUICtrl.

Definition at line 118 of file llscrollbar.h.

Referenced by changeLine().

const ORIENTATION LLScrollbar::mOrientation [private]

Definition at line 120 of file llscrollbar.h.

Referenced by draw(), handleHover(), handleMouseDown(), LLScrollbar(), and updateThumbRect().

S32 LLScrollbar::mDocSize [private]

Definition at line 121 of file llscrollbar.h.

Referenced by getDocPosMax(), getDocSize(), pageDown(), pageUp(), setDocParams(), setDocSize(), and updateThumbRect().

S32 LLScrollbar::mDocPos [private]

Definition at line 122 of file llscrollbar.h.

Referenced by changeLine(), getDocPos(), handleHover(), handleKeyHere(), isAtBeginning(), isAtEnd(), setDocParams(), setDocPos(), setDocSize(), setPageSize(), and updateThumbRect().

S32 LLScrollbar::mPageSize [private]

Definition at line 123 of file llscrollbar.h.

Referenced by getDocPosMax(), getPageSize(), pageDown(), pageUp(), setPageSize(), and updateThumbRect().

S32 LLScrollbar::mStepSize [private]

Definition at line 124 of file llscrollbar.h.

Referenced by handleKeyHere(), and handleScrollWheel().

BOOL LLScrollbar::mDocChanged [private]

Definition at line 125 of file llscrollbar.h.

Referenced by handleHover(), setDocParams(), setDocPos(), setDocSize(), and setPageSize().

LLRect LLScrollbar::mThumbRect [private]

Definition at line 127 of file llscrollbar.h.

Referenced by draw(), handleHover(), handleMouseDown(), and updateThumbRect().

S32 LLScrollbar::mDragStartX [private]

Definition at line 128 of file llscrollbar.h.

Referenced by handleHover(), and handleMouseDown().

S32 LLScrollbar::mDragStartY [private]

Definition at line 129 of file llscrollbar.h.

Referenced by handleHover(), and handleMouseDown().

F32 LLScrollbar::mHoverGlowStrength [private]

Definition at line 130 of file llscrollbar.h.

Referenced by draw().

F32 LLScrollbar::mCurGlowStrength [private]

Definition at line 131 of file llscrollbar.h.

Referenced by draw().

LLRect LLScrollbar::mOrigRect [private]

Definition at line 133 of file llscrollbar.h.

Referenced by handleHover(), and handleMouseDown().

S32 LLScrollbar::mLastDelta [private]

Definition at line 134 of file llscrollbar.h.

Referenced by handleHover(), and handleMouseDown().

LLColor4 LLScrollbar::mTrackColor [private]

Definition at line 136 of file llscrollbar.h.

Referenced by draw(), and setTrackColor().

LLColor4 LLScrollbar::mThumbColor [private]

Definition at line 137 of file llscrollbar.h.

Referenced by draw(), and setThumbColor().

LLColor4 LLScrollbar::mFocusColor [private]

Definition at line 138 of file llscrollbar.h.

LLColor4 LLScrollbar::mHighlightColor [private]

Definition at line 139 of file llscrollbar.h.

Referenced by setHighlightColor().

LLColor4 LLScrollbar::mShadowColor [private]

Definition at line 140 of file llscrollbar.h.

Referenced by setShadowColor().

void(* LLScrollbar::mOnScrollEndCallback)(void *) [private]

Referenced by draw(), setOnScrollEndCallback(), and updateThumbRect().

void* LLScrollbar::mOnScrollEndData [private]

Definition at line 143 of file llscrollbar.h.

Referenced by draw(), setOnScrollEndCallback(), and updateThumbRect().

The documentation for this class was generated from the following files:

llui/llscrollbar.h
llui/llscrollbar.cpp


Public Types
enum	ORIENTATION { HORIZONTAL, VERTICAL }
Public Member Functions
	LLScrollbar (const LLString &name, LLRect rect, ORIENTATION orientation, S32 doc_size, S32 doc_pos, S32 page_size, void(change_callback)(S32 new_pos, LLScrollbar self, void userdata), void callback_user_data=NULL, S32 step_size=1)
virtual	~LLScrollbar ()
virtual void	setValue (const LLSD &value)
virtual BOOL	handleKeyHere (KEY key, MASK mask)
virtual BOOL	handleMouseDown (S32 x, S32 y, MASK mask)
virtual BOOL	handleMouseUp (S32 x, S32 y, MASK mask)
virtual BOOL	handleHover (S32 x, S32 y, MASK mask)
virtual BOOL	handleScrollWheel (S32 x, S32 y, S32 clicks)
virtual BOOL	handleDragAndDrop (S32 x, S32 y, MASK mask, BOOL drop, EDragAndDropType cargo_type, void cargo_data, EAcceptance accept, LLString &tooltip_msg)
virtual void	reshape (S32 width, S32 height, BOOL called_from_parent=TRUE)
virtual void	draw ()
void	setDocSize (S32 size)
S32	getDocSize () const
void	setDocPos (S32 pos)
S32	getDocPos () const
BOOL	isAtBeginning ()
BOOL	isAtEnd ()
void	setDocParams (S32 size, S32 pos)
void	setPageSize (S32 page_size)
S32	getPageSize () const
S32	getDocPosMax () const
void	pageUp (S32 overlap)
void	pageDown (S32 overlap)
void	setTrackColor (const LLColor4 &color)
void	setThumbColor (const LLColor4 &color)
void	setHighlightColor (const LLColor4 &color)
void	setShadowColor (const LLColor4 &color)
void	setOnScrollEndCallback (void(callback)(void ), void *userdata)
Static Public Member Functions
static void	onLineUpBtnPressed (void *userdata)
static void	onLineDownBtnPressed (void *userdata)
Private Member Functions
void	updateThumbRect ()
void	changeLine (S32 delta, BOOL update_thumb)
Private Attributes
void(*	mChangeCallback )(S32 new_pos, LLScrollbar self, void userdata)
void *	mCallbackUserData
const ORIENTATION	mOrientation
S32	mDocSize
S32	mDocPos
S32	mPageSize
S32	mStepSize
BOOL	mDocChanged
LLRect	mThumbRect
S32	mDragStartX
S32	mDragStartY
F32	mHoverGlowStrength
F32	mCurGlowStrength
LLRect	mOrigRect
S32	mLastDelta
LLColor4	mTrackColor
LLColor4	mThumbColor
LLColor4	mFocusColor
LLColor4	mHighlightColor
LLColor4	mShadowColor
void(*	mOnScrollEndCallback )(void *)
void *	mOnScrollEndData