dw::core::Layout Class Reference

The central class for managing and drawing a widget tree. More...

#include <layout.hh>

List of all members.

Classes
class	Anchor
class	Emitter
class	LinkEmitter
class	LinkReceiver
class	Receiver
	Receiver interface different signals. More...
Public Member Functions
	Layout (Platform *platform)
	~Layout ()
void	connectLink (LinkReceiver *receiver)
bool	emitLinkEnter (Widget *w, int link, int img, int x, int y)
bool	emitLinkPress (Widget *w, int link, int img, int x, int y, EventButton *event)
bool	emitLinkRelease (Widget *w, int link, int img, int x, int y, EventButton *event)
bool	emitLinkClick (Widget *w, int link, int img, int x, int y, EventButton *event)
void	addWidget (Widget *widget)
void	setWidget (Widget *widget)
void	attachView (View *view)
	Attach a view to the layout.
void	detachView (View *view)
bool	getUsesViewport ()
int	getWidthViewport ()
int	getHeightViewport ()
int	getScrollPosX ()
int	getScrollPosY ()
void	scrollTo (HPosition hpos, VPosition vpos, int x, int y, int width, int height)
	Scrolls all viewports, so that the region [x, y, width, height] is seen, according to hpos and vpos.
void	scroll (ScrollCommand)
void	setAnchor (const char *anchor)
void	expose (View *view, Rectangle *area)
bool	buttonPress (View *view, int numPressed, int x, int y, ButtonState state, int button)
	This function is called by a view, to delegate a button press event.
bool	buttonRelease (View *view, int numPressed, int x, int y, ButtonState state, int button)
	This function is called by a view, to delegate a button press event.
bool	motionNotify (View *view, int x, int y, ButtonState state)
	This function is called by a view, to delegate a motion notify event.
void	enterNotify (View *view, int x, int y, ButtonState state)
	This function is called by a view, to delegate a enter notify event.
void	leaveNotify (View *view, ButtonState state)
	This function is called by a view, to delegate a leave notify event.
void	scrollPosChanged (View *view, int x, int y)
void	viewportSizeChanged (View *view, int width, int height)
int	textWidth (style::Font *font, const char *text, int len)
int	nextGlyph (const char *text, int idx)
int	prevGlyph (const char *text, int idx)
float	dpiX ()
float	dpiY ()
style::Font *	createFont (style::FontAttrs *attrs, bool tryEverything)
bool	fontExists (const char *name)
style::Color *	createColor (int color)
style::Tooltip *	createTooltip (const char *text)
void	cancelTooltip ()
Imgbuf *	createImgbuf (Imgbuf::Type type, int width, int height)
void	copySelection (const char *text)
ui::ResourceFactory *	getResourceFactory ()
void	connect (Receiver *receiver)
FindtextState::Result	search (const char *str, bool caseSens, int backwards)
	See dw::core::FindtextState::search.
void	resetSearch ()
	See dw::core::FindtextState::resetSearch.
void	setBgColor (style::Color *color)
style::Color *	getBgColor ()
Public Attributes
LinkEmitter	linkEmitter
lout::misc::ZoneAllocator *	textZone
Private Types
enum	ButtonEventType { BUTTON_PRESS, BUTTON_RELEASE, MOTION_NOTIFY }
Private Member Functions
Widget *	getWidgetAtPoint (int x, int y)
void	moveToWidget (Widget *newWidgetAtPoint, ButtonState state)
void	moveToWidgetAtPoint (int x, int y, ButtonState state)
	Emit the necessary crossing events, when the mouse pointer has moved to position (x, );.
void	moveOutOfView (ButtonState state)
	Emit the necessary crossing events, when the mouse pointer has moved out of the view.
bool	processMouseEvent (MousePositionEvent *event, ButtonEventType type, bool mayBeSuppressed)
	Common processing of press, release and motion events.
bool	buttonEvent (ButtonEventType type, View *view, int numPressed, int x, int y, ButtonState state, int button)
void	resizeIdle ()
void	setSizeHints ()
void	draw (View *view, Rectangle *area)
void	scrollTo0 (HPosition hpos, VPosition vpos, int x, int y, int width, int height, bool scrollingInterrupted)
void	scrollIdle ()
void	adjustScrollPos ()
void	updateAnchor ()
char *	addAnchor (Widget *widget, const char *name)
char *	addAnchor (Widget *widget, const char *name, int y)
void	changeAnchor (Widget *widget, char *name, int y)
void	removeAnchor (Widget *widget, char *name)
void	setCursor (style::Cursor cursor)
void	updateCursor ()
void	queueDraw (int x, int y, int width, int height)
void	queueDrawExcept (int x, int y, int width, int height, int ex, int ey, int ewidth, int eheight)
void	queueResize ()
void	removeWidget ()
Static Private Member Functions
static bool	calcScrollInto (int targetValue, int requestedSize, int *value, int viewportSize)
Private Attributes
Emitter	emitter
Platform *	platform
View *	view
Widget *	topLevel
Widget *	widgetAtPoint
style::Color *	bgColor
style::Cursor	cursor
int	canvasWidth
int	canvasAscent
int	canvasDescent
bool	usesViewport
bool	drawAfterScrollReq
int	scrollX
int	scrollY
int	viewportWidth
int	viewportHeight
bool	canvasHeightGreater
int	hScrollbarThickness
int	vScrollbarThickness
HPosition	scrollTargetHpos
VPosition	scrollTargetVpos
int	scrollTargetX
int	scrollTargetY
int	scrollTargetWidth
int	scrollTargetHeight
char *	requestedAnchor
int	scrollIdleId
int	resizeIdleId
bool	scrollIdleNotInterrupted
lout::container::typed::HashTable < lout::object::String, Anchor > *	anchorsTable
SelectionState	selectionState
FindtextState	findtextState
Friends
class	Widget

---

Detailed Description

The central class for managing and drawing a widget tree.

See also:

Dillo Widget Overview, Layout and Widgets, Layout and Views

---

Member Enumeration Documentation

enum dw::core::Layout::ButtonEventType [private]

Enumerator:

BUTTON_PRESS
BUTTON_RELEASE
MOTION_NOTIFY

---

Constructor & Destructor Documentation

dw::core::Layout::Layout

(

Platform *

platform

)

References anchorsTable, bgColor, canvasAscent, canvasDescent, canvasWidth, cursor, dw::core::style::CURSOR_DEFAULT, DBG_OBJ_ASSOC, DBG_OBJ_CREATE, drawAfterScrollReq, findtextState, hScrollbarThickness, requestedAnchor, resizeIdleId, scrollIdleId, scrollIdleNotInterrupted, scrollX, scrollY, selectionState, dw::core::SelectionState::setLayout(), dw::core::Platform::setLayout(), textZone, topLevel, usesViewport, view, viewportHeight, viewportWidth, vScrollbarThickness, and widgetAtPoint.

dw::core::Layout::~Layout

(

)

References anchorsTable, bgColor, platform, dw::core::Platform::removeIdle(), resizeIdleId, scrollIdleId, textZone, topLevel, dw::core::style::Color::unref(), view, and widgetAtPoint.

---

Member Function Documentation

char * dw::core::Layout::addAnchor	(	Widget *	widget,
		const char *	name,
		int	y
	)			[private]

References anchorsTable, lout::container::typed::HashTable< K, V >::contains(), dw::core::Layout::Anchor::name, lout::container::typed::HashTable< K, V >::put(), updateAnchor(), dw::core::Layout::Anchor::widget, and dw::core::Layout::Anchor::y.

char * dw::core::Layout::addAnchor	(	Widget *	widget,
		const char *	name
	)			[private]

Used, when the widget is not allocated yet.

Referenced by dw::core::Widget::addAnchor().

void dw::core::Layout::addWidget

(

Widget *

widget

)

References canvasHeightGreater, findtextState, dw::core::Widget::layout, queueResize(), setSizeHints(), dw::core::FindtextState::setWidget(), and topLevel.

Referenced by setWidget().

void dw::core::Layout::adjustScrollPos

(

)

[private]

References canvasAscent, canvasDescent, canvasWidth, hScrollbarThickness, lout::misc::max(), lout::misc::min(), scrollX, scrollY, viewportHeight, viewportWidth, and vScrollbarThickness.

Referenced by scrollIdle().

void dw::core::Layout::attachView

(

View *

view

)

Attach a view to the layout.

It will become a child of the layout, and so it will be destroyed, when the layout will be destroyed.

References dw::core::Platform::attachView(), bgColor, canvasAscent, canvasDescent, canvasWidth, cursor, dw::core::View::getHScrollbarThickness(), dw::core::View::getVScrollbarThickness(), hScrollbarThickness, lout::misc::max(), platform, dw::core::View::scrollTo(), scrollX, scrollY, dw::core::View::setBgColor(), dw::core::View::setCanvasSize(), dw::core::View::setCursor(), dw::core::View::setLayout(), dw::core::View::setViewportSize(), usesViewport, dw::core::View::usesViewport(), viewportHeight, viewportWidth, and vScrollbarThickness.

Referenced by dw::fltk::FltkPreview::FltkPreview(), and dw::fltk::ui::FltkComplexButtonResource::setLayout().

bool dw::core::Layout::buttonEvent	(	ButtonEventType	type,
		View *	view,
		int	numPressed,
		int	x,
		int	y,
		ButtonState	state,
		int	button
	)			[private]

References moveToWidgetAtPoint(), and processMouseEvent().

Referenced by buttonPress(), and buttonRelease().

bool dw::core::Layout::buttonPress	(	View *	view,
		int	numPressed,
		int	x,
		int	y,
		ButtonState	state,
		int	button
	)			[inline]

This function is called by a view, to delegate a button press event.

numPressed is 1 for simple presses, 2 for double presses etc. (more that 2 is never needed), x and y the world coordinates, and button the number of the button pressed.

References BUTTON_PRESS, and buttonEvent().

Referenced by dw::fltk::FltkViewBase::handle().

bool dw::core::Layout::buttonRelease	(	View *	view,
		int	numPressed,
		int	x,
		int	y,
		ButtonState	state,
		int	button
	)			[inline]

This function is called by a view, to delegate a button press event.

Arguments are similar to dw::core::Layout::buttonPress.

References BUTTON_RELEASE, and buttonEvent().

Referenced by dw::fltk::FltkViewBase::handle().

bool dw::core::Layout::calcScrollInto	(	int	targetValue,
		int	requestedSize,
		int *	value,
		int	viewportSize
	)			[static, private]

Referenced by scrollIdle().

void dw::core::Layout::cancelTooltip

(

)

[inline]

References dw::core::Platform::cancelTooltip(), and platform.

Referenced by dw::fltk::FltkViewBase::handle().

void dw::core::Layout::changeAnchor	(	Widget *	widget,
		char *	name,
		int	y
	)			[private]

References anchorsTable, lout::container::typed::HashTable< K, V >::get(), updateAnchor(), dw::core::Layout::Anchor::widget, and dw::core::Layout::Anchor::y.

Referenced by dw::core::Widget::changeAnchor().

void dw::core::Layout::connect

(

Receiver *

receiver

)

[inline]

References dw::core::Layout::Emitter::connectLayout(), and emitter.

Referenced by dw::core::ui::ComplexButtonResource::init().

void dw::core::Layout::connectLink

(

LinkReceiver *

receiver

)

[inline]

References dw::core::Layout::LinkEmitter::connectLink(), and linkEmitter.

void dw::core::Layout::copySelection

(

const char *

text

)

[inline]

References dw::core::Platform::copySelection(), and platform.

Referenced by dw::core::SelectionState::copy().

style::Color* dw::core::Layout::createColor

(

int

color

)

[inline]

References dw::core::Platform::createColor(), and platform.

Referenced by dw::core::style::Color::create().

style::Font* dw::core::Layout::createFont	(	style::FontAttrs *	attrs,
		bool	tryEverything
	)			[inline]

References dw::core::Platform::createFont(), and platform.

Referenced by dw::core::style::Font::create0().

Imgbuf* dw::core::Layout::createImgbuf	(	Imgbuf::Type	type,
		int	width,
		int	height
	)			[inline]

References dw::core::Platform::createImgbuf(), and platform.

style::Tooltip* dw::core::Layout::createTooltip

(

const char *

text

)

[inline]

References dw::core::Platform::createTooltip(), and platform.

Referenced by dw::core::style::Tooltip::create().

void dw::core::Layout::detachView

(

View *

view

)

Todo:

Actually, viewportMarkerWidthDiff and viewportMarkerHeightDiff have to be recalculated here, since the effective (i.e. maximal) values may change, after the view has been detached. Same applies to the usage of viewports.

References dw::core::Platform::detachView(), platform, and dw::core::View::setLayout().

float dw::core::Layout::dpiX

(

)

[inline]

References dw::core::Platform::dpiX(), and platform.

float dw::core::Layout::dpiY

(

)

[inline]

References dw::core::Platform::dpiY(), and platform.

void dw::core::Layout::draw	(	View *	view,
		Rectangle *	area
	)			[private]

References dw::core::Widget::allocation, dw::core::Widget::draw(), drawAfterScrollReq, dw::core::View::finishDrawing(), dw::core::Widget::getHeight(), dw::core::Rectangle::height, dw::core::Rectangle::intersectsWith(), scrollIdleId, dw::core::View::startDrawing(), topLevel, dw::core::Allocation::width, dw::core::Rectangle::width, dw::core::Allocation::x, dw::core::Rectangle::x, dw::core::Allocation::y, and dw::core::Rectangle::y.

Referenced by expose().

bool dw::core::Layout::emitLinkClick	(	Widget *	w,
		int	link,
		int	img,
		int	x,
		int	y,
		EventButton *	event
	)			[inline]

References dw::core::Layout::LinkEmitter::emitClick(), and linkEmitter.

Referenced by dw::core::SelectionState::buttonRelease().

bool dw::core::Layout::emitLinkEnter	(	Widget *	w,
		int	link,
		int	img,
		int	x,
		int	y
	)			[inline]

References dw::core::Layout::LinkEmitter::emitEnter(), and linkEmitter.

bool dw::core::Layout::emitLinkPress	(	Widget *	w,
		int	link,
		int	img,
		int	x,
		int	y,
		EventButton *	event
	)			[inline]

References dw::core::Layout::LinkEmitter::emitPress(), and linkEmitter.

Referenced by dw::core::SelectionState::buttonPress(), and processMouseEvent().

bool dw::core::Layout::emitLinkRelease	(	Widget *	w,
		int	link,
		int	img,
		int	x,
		int	y,
		EventButton *	event
	)			[inline]

References dw::core::Layout::LinkEmitter::emitRelease(), and linkEmitter.

Referenced by dw::core::SelectionState::buttonRelease(), and processMouseEvent().

void dw::core::Layout::enterNotify	(	View *	view,
		int	x,
		int	y,
		ButtonState	state
	)

This function is called by a view, to delegate a enter notify event.

Arguments are similar to dw::core::Layout::buttonPress.

References dw::core::Widget::enterNotify(), moveToWidgetAtPoint(), and widgetAtPoint.

Referenced by dw::fltk::FltkViewBase::handle().

void dw::core::Layout::expose	(	View *	view,
		Rectangle *	area
	)			[inline]

References draw().

Referenced by dw::fltk::FltkViewBase::draw().

bool dw::core::Layout::fontExists

(

const char *

name

)

[inline]

References dw::core::Platform::fontExists(), and platform.

Referenced by dw::core::style::Font::exists().

style::Color* dw::core::Layout::getBgColor

(

)

[inline]

References bgColor.

Referenced by dw::core::Widget::drawWidgetBox(), and dw::core::Widget::getBgColor().

int dw::core::Layout::getHeightViewport

(

)

[inline]

References viewportHeight.

Referenced by dw::core::Iterator::scrollTo().

ui::ResourceFactory* dw::core::Layout::getResourceFactory

(

)

[inline]

References dw::core::Platform::getResourceFactory(), and platform.

int dw::core::Layout::getScrollPosX

(

)

[inline]

References scrollX.

int dw::core::Layout::getScrollPosY

(

)

[inline]

References scrollY.

bool dw::core::Layout::getUsesViewport

(

)

[inline]

References usesViewport.

Referenced by dw::core::Iterator::scrollTo().

Widget * dw::core::Layout::getWidgetAtPoint	(	int	x,
		int	y
	)			[private]

References dw::core::Widget::getWidgetAtPoint(), and topLevel.

Referenced by moveToWidgetAtPoint().

int dw::core::Layout::getWidthViewport

(

)

[inline]

References viewportWidth.

Referenced by dw::core::Iterator::scrollTo().

void dw::core::Layout::leaveNotify	(	View *	view,
		ButtonState	state
	)

This function is called by a view, to delegate a leave notify event.

Arguments are similar to dw::core::Layout::buttonPress.

References dw::core::Widget::leaveNotify(), moveOutOfView(), and widgetAtPoint.

Referenced by dw::fltk::FltkViewBase::handle().

bool dw::core::Layout::motionNotify	(	View *	view,
		int	x,
		int	y,
		ButtonState	state
	)

This function is called by a view, to delegate a motion notify event.

Arguments are similar to dw::core::Layout::buttonPress.

References MOTION_NOTIFY, moveToWidgetAtPoint(), and processMouseEvent().

Referenced by dw::fltk::FltkViewBase::handle(), and dw::fltk::FltkViewport::positionChanged().

void dw::core::Layout::moveOutOfView

(

ButtonState

state

)

[inline, private]

Emit the necessary crossing events, when the mouse pointer has moved out of the view.

References moveToWidget().

Referenced by leaveNotify().

void dw::core::Layout::moveToWidget	(	Widget *	newWidgetAtPoint,
		ButtonState	state
	)			[private]

References dw::core::EventCrossing::currentWidget, dw::core::Widget::enterNotify(), dw::core::Widget::getNearestCommonAncestor(), dw::core::Widget::getParent(), dw::core::Widget::getTopLevel(), dw::core::EventCrossing::lastWidget, dw::core::Widget::leaveNotify(), dw::core::MouseEvent::state, updateCursor(), and widgetAtPoint.

Referenced by moveOutOfView(), and moveToWidgetAtPoint().

void dw::core::Layout::moveToWidgetAtPoint	(	int	x,
		int	y,
		ButtonState	state
	)			[inline, private]

Emit the necessary crossing events, when the mouse pointer has moved to position (x, );.

References getWidgetAtPoint(), and moveToWidget().

Referenced by buttonEvent(), enterNotify(), and motionNotify().

int dw::core::Layout::nextGlyph	(	const char *	text,
		int	idx
	)			[inline]

References dw::core::Platform::nextGlyph(), and platform.

Referenced by dw::fltk::FltkWidgetView::drawText().

int dw::core::Layout::prevGlyph	(	const char *	text,
		int	idx
	)			[inline]

References platform, and dw::core::Platform::prevGlyph().

bool dw::core::Layout::processMouseEvent	(	MousePositionEvent *	event,
		ButtonEventType	type,
		bool	mayBeSuppressed
	)			[private]

Common processing of press, release and motion events.

This function depends on that move_to_widget_at_point() has been called before.

References lout::misc::assertNotReached(), BUTTON_PRESS, BUTTON_RELEASE, dw::core::Widget::buttonPress(), dw::core::Widget::buttonRelease(), emitLinkPress(), emitLinkRelease(), dw::core::Widget::getAllocation(), dw::core::Widget::getParent(), dw::core::Widget::isButtonSensitive(), MOTION_NOTIFY, dw::core::Widget::motionNotify(), widgetAtPoint, dw::core::Allocation::x, and dw::core::Allocation::y.

Referenced by buttonEvent(), and motionNotify().

void dw::core::Layout::queueDraw	(	int	x,
		int	y,
		int	width,
		int	height
	)			[private]

References dw::core::Rectangle::height, dw::core::Rectangle::isEmpty(), dw::core::View::queueDraw(), view, dw::core::Rectangle::width, dw::core::Rectangle::x, and dw::core::Rectangle::y.

Referenced by dw::core::Widget::queueDrawArea(), and queueDrawExcept().

void dw::core::Layout::queueDrawExcept	(	int	x,
		int	y,
		int	width,
		int	height,
		int	ex,
		int	ey,
		int	ewidth,
		int	eheight
	)			[private]

References lout::misc::max(), lout::misc::min(), and queueDraw().

Referenced by dw::core::Widget::sizeAllocate().

void dw::core::Layout::queueResize

(

)

[private]

References dw::core::Platform::addIdle(), dw::core::View::cancelQueueDraw(), platform, resizeIdle(), resizeIdleId, and view.

Referenced by addWidget(), dw::core::Widget::queueResize(), and viewportSizeChanged().

void dw::core::Layout::removeAnchor	(	Widget *	widget,
		char *	name
	)			[private]

References anchorsTable, and lout::container::typed::HashTable< K, V >::remove().

Referenced by dw::core::Widget::removeAnchor().

void dw::core::Layout::removeWidget

(

)

[private]

Bug:

Some more attributes must be reset here.

References canvasAscent, canvasDescent, canvasWidth, dw::core::Layout::Emitter::emitCanvasSizeChanged(), emitter, findtextState, dw::core::View::queueDrawTotal(), dw::core::SelectionState::reset(), scrollX, scrollY, selectionState, setAnchor(), dw::core::View::setCanvasSize(), dw::core::View::setViewportSize(), dw::core::FindtextState::setWidget(), topLevel, updateAnchor(), updateCursor(), dw::core::View::usesViewport(), view, viewportHeight, viewportWidth, and widgetAtPoint.

Referenced by dw::core::Widget::~Widget().

void dw::core::Layout::resetSearch

(

)

[inline]

See dw::core::FindtextState::resetSearch.

References findtextState, and dw::core::FindtextState::resetSearch().

void dw::core::Layout::resizeIdle

(

)

[private]

References dw::core::Requisition::ascent, dw::core::Allocation::ascent, canvasAscent, canvasDescent, canvasHeightGreater, canvasWidth, dw::core::Requisition::descent, dw::core::Allocation::descent, dw::core::Layout::Emitter::emitCanvasSizeChanged(), emitter, hScrollbarThickness, resizeIdleId, dw::core::View::setCanvasSize(), setSizeHints(), dw::core::View::setViewportSize(), dw::core::Widget::sizeAllocate(), dw::core::Widget::sizeRequest(), topLevel, updateAnchor(), usesViewport, view, viewportHeight, viewportWidth, vScrollbarThickness, dw::core::Requisition::width, dw::core::Allocation::width, dw::core::Allocation::x, and dw::core::Allocation::y.

Referenced by queueResize().

void dw::core::Layout::scroll

(

ScrollCommand

cmd

)

References dw::core::View::scroll(), dw::core::View::usesViewport(), and view.

void dw::core::Layout::scrollIdle

(

)

[private]

References adjustScrollPos(), calcScrollInto(), drawAfterScrollReq, dw::core::HPOS_CENTER, dw::core::HPOS_INTO_VIEW, dw::core::HPOS_LEFT, dw::core::HPOS_NO_CHANGE, dw::core::HPOS_RIGHT, hScrollbarThickness, dw::core::View::queueDrawTotal(), scrollIdleId, scrollTargetHeight, scrollTargetHpos, scrollTargetVpos, scrollTargetWidth, scrollTargetX, scrollTargetY, dw::core::View::scrollTo(), scrollX, scrollY, view, viewportHeight, viewportWidth, dw::core::VPOS_BOTTOM, dw::core::VPOS_CENTER, dw::core::VPOS_INTO_VIEW, dw::core::VPOS_NO_CHANGE, dw::core::VPOS_TOP, and vScrollbarThickness.

Referenced by scrollTo0().

void dw::core::Layout::scrollPosChanged	(	View *	view,
		int	x,
		int	y
	)

References scrollX, scrollY, setAnchor(), and updateAnchor().

Referenced by dw::fltk::FltkViewport::scrollTo(), and dw::fltk::FltkPreviewWindow::scrollTo().

void dw::core::Layout::scrollTo	(	HPosition	hpos,
		VPosition	vpos,
		int	x,
		int	y,
		int	width,
		int	height
	)

Scrolls all viewports, so that the region [x, y, width, height] is seen, according to hpos and vpos.

References scrollTo0().

Referenced by dw::core::Widget::scrollTo(), and dw::core::Iterator::scrollTo().

void dw::core::Layout::scrollTo0	(	HPosition	hpos,
		VPosition	vpos,
		int	x,
		int	y,
		int	width,
		int	height,
		bool	scrollingInterrupted
	)			[private]

References dw::core::Platform::addIdle(), platform, scrollIdle(), scrollIdleId, scrollIdleNotInterrupted, scrollTargetHeight, scrollTargetHpos, scrollTargetVpos, scrollTargetWidth, scrollTargetX, scrollTargetY, and usesViewport.

Referenced by scrollTo(), and updateAnchor().

FindtextState::Result dw::core::Layout::search	(	const char *	str,
		bool	caseSens,
		int	backwards
	)			[inline]

See dw::core::FindtextState::search.

References findtextState, and dw::core::FindtextState::search().

void dw::core::Layout::setAnchor

(

const char *

anchor

)

Sets the anchor to scroll to.

References requestedAnchor, and updateAnchor().

Referenced by removeWidget(), and scrollPosChanged().

void dw::core::Layout::setBgColor

(

style::Color *

color

)

References bgColor, dw::core::style::Color::ref(), dw::core::View::setBgColor(), dw::core::style::Color::unref(), and view.

void dw::core::Layout::setCursor

(

style::Cursor

cursor

)

[private]

References dw::core::View::setCursor(), and view.

Referenced by dw::core::Widget::setCursor(), and updateCursor().

void dw::core::Layout::setSizeHints

(

)

[private]

References canvasHeightGreater, hScrollbarThickness, dw::core::Widget::setAscent(), dw::core::Widget::setDescent(), dw::core::Widget::setWidth(), topLevel, viewportHeight, viewportWidth, and vScrollbarThickness.

Referenced by addWidget(), resizeIdle(), and viewportSizeChanged().

void dw::core::Layout::setWidget

(

Widget *

widget

)

References addWidget(), textZone, topLevel, updateCursor(), widgetAtPoint, and lout::misc::ZoneAllocator::zoneFree().

Referenced by dw::core::ui::ComplexButtonResource::init().

int dw::core::Layout::textWidth	(	style::Font *	font,
		const char *	text,
		int	len
	)			[inline]

References platform, and dw::core::Platform::textWidth().

void dw::core::Layout::updateAnchor

(

)

[private]

Todo:

Copy comment from old docs.

References anchorsTable, lout::container::typed::HashTable< K, V >::get(), dw::core::HPOS_NO_CHANGE, platform, dw::core::Platform::removeIdle(), requestedAnchor, scrollIdleId, scrollIdleNotInterrupted, scrollTo0(), dw::core::VPOS_TOP, and dw::core::Layout::Anchor::y.

Referenced by addAnchor(), changeAnchor(), removeWidget(), resizeIdle(), scrollPosChanged(), and setAnchor().

void dw::core::Layout::updateCursor

(

)

[private]

References dw::core::style::StyleAttrs::cursor, dw::core::style::CURSOR_DEFAULT, setCursor(), dw::core::Widget::style, and widgetAtPoint.

Referenced by moveToWidget(), removeWidget(), dw::core::Widget::setStyle(), and setWidget().

void dw::core::Layout::viewportSizeChanged	(	View *	view,
		int	width,
		int	height
	)

References canvasHeightGreater, queueResize(), setSizeHints(), usesViewport, viewportHeight, and viewportWidth.

Referenced by dw::fltk::FltkViewport::resize(), and dw::fltk::FltkViewBase::setLayout().

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Friends And Related Function Documentation

friend class Widget [friend]

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Member Data Documentation

lout::container::typed::HashTable<lout::object::String, Anchor>* dw::core::Layout::anchorsTable [private]

Referenced by addAnchor(), changeAnchor(), Layout(), removeAnchor(), updateAnchor(), and ~Layout().

style::Color* dw::core::Layout::bgColor [private]

Referenced by attachView(), getBgColor(), Layout(), setBgColor(), and ~Layout().

int dw::core::Layout::canvasAscent [private]

Referenced by adjustScrollPos(), attachView(), Layout(), removeWidget(), and resizeIdle().

int dw::core::Layout::canvasDescent [private]

Referenced by adjustScrollPos(), attachView(), Layout(), removeWidget(), and resizeIdle().

bool dw::core::Layout::canvasHeightGreater [private]

Referenced by addWidget(), resizeIdle(), setSizeHints(), and viewportSizeChanged().

int dw::core::Layout::canvasWidth [private]

Referenced by adjustScrollPos(), attachView(), Layout(), removeWidget(), and resizeIdle().

style::Cursor dw::core::Layout::cursor [private]

Referenced by attachView(), and Layout().

bool dw::core::Layout::drawAfterScrollReq [private]

Referenced by draw(), Layout(), and scrollIdle().

Emitter dw::core::Layout::emitter [private]

Referenced by connect(), removeWidget(), and resizeIdle().

FindtextState dw::core::Layout::findtextState [private]

Referenced by addWidget(), Layout(), removeWidget(), resetSearch(), and search().

int dw::core::Layout::hScrollbarThickness [private]

Referenced by adjustScrollPos(), attachView(), Layout(), resizeIdle(), scrollIdle(), and setSizeHints().

LinkEmitter dw::core::Layout::linkEmitter

Referenced by connectLink(), emitLinkClick(), emitLinkEnter(), emitLinkPress(), and emitLinkRelease().

Platform* dw::core::Layout::platform [private]

Referenced by attachView(), cancelTooltip(), copySelection(), createColor(), createFont(), createImgbuf(), createTooltip(), detachView(), dpiX(), dpiY(), fontExists(), getResourceFactory(), nextGlyph(), prevGlyph(), queueResize(), scrollTo0(), textWidth(), updateAnchor(), and ~Layout().

char* dw::core::Layout::requestedAnchor [private]

Referenced by Layout(), setAnchor(), and updateAnchor().

int dw::core::Layout::resizeIdleId [private]

Referenced by Layout(), queueResize(), resizeIdle(), and ~Layout().

int dw::core::Layout::scrollIdleId [private]

Referenced by draw(), Layout(), scrollIdle(), scrollTo0(), updateAnchor(), and ~Layout().

bool dw::core::Layout::scrollIdleNotInterrupted [private]

Referenced by Layout(), scrollTo0(), and updateAnchor().

int dw::core::Layout::scrollTargetHeight [private]

Referenced by scrollIdle(), and scrollTo0().

HPosition dw::core::Layout::scrollTargetHpos [private]

Referenced by scrollIdle(), and scrollTo0().

VPosition dw::core::Layout::scrollTargetVpos [private]

Referenced by scrollIdle(), and scrollTo0().

int dw::core::Layout::scrollTargetWidth [private]

Referenced by scrollIdle(), and scrollTo0().

int dw::core::Layout::scrollTargetX [private]

Referenced by scrollIdle(), and scrollTo0().

int dw::core::Layout::scrollTargetY [private]

Referenced by scrollIdle(), and scrollTo0().

int dw::core::Layout::scrollX [private]

Referenced by adjustScrollPos(), attachView(), getScrollPosX(), Layout(), removeWidget(), scrollIdle(), and scrollPosChanged().

int dw::core::Layout::scrollY [private]

Referenced by adjustScrollPos(), attachView(), getScrollPosY(), Layout(), removeWidget(), scrollIdle(), and scrollPosChanged().

SelectionState dw::core::Layout::selectionState [private]

Referenced by Layout(), removeWidget(), dw::core::Widget::selectionButtonMotion(), dw::core::Widget::selectionButtonPress(), dw::core::Widget::selectionButtonRelease(), and dw::core::Widget::selectionHandleEvent().

lout::misc::ZoneAllocator* dw::core::Layout::textZone

Referenced by Layout(), setWidget(), and ~Layout().

Widget* dw::core::Layout::topLevel [private]

Referenced by addWidget(), draw(), getWidgetAtPoint(), Layout(), removeWidget(), resizeIdle(), setSizeHints(), setWidget(), and ~Layout().

bool dw::core::Layout::usesViewport [private]

Referenced by attachView(), getUsesViewport(), Layout(), resizeIdle(), scrollTo0(), and viewportSizeChanged().

View* dw::core::Layout::view [private]

Referenced by Layout(), queueDraw(), queueResize(), removeWidget(), resizeIdle(), scroll(), scrollIdle(), setBgColor(), setCursor(), and ~Layout().

int dw::core::Layout::viewportHeight [private]

Referenced by adjustScrollPos(), attachView(), getHeightViewport(), Layout(), removeWidget(), resizeIdle(), scrollIdle(), setSizeHints(), and viewportSizeChanged().

int dw::core::Layout::viewportWidth [private]

Referenced by adjustScrollPos(), attachView(), getWidthViewport(), Layout(), removeWidget(), resizeIdle(), scrollIdle(), setSizeHints(), and viewportSizeChanged().

int dw::core::Layout::vScrollbarThickness [private]

Referenced by adjustScrollPos(), attachView(), Layout(), resizeIdle(), scrollIdle(), and setSizeHints().

Widget * dw::core::Layout::widgetAtPoint [private]

Referenced by enterNotify(), Layout(), leaveNotify(), moveToWidget(), processMouseEvent(), removeWidget(), setWidget(), updateCursor(), and ~Layout().

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

• dw/layout.hh
• dw/layout.cc