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

#include <layout.hh>

Classes
class	Anchor

class	Emitter

class	LayoutImgRenderer

class	LinkEmitter

class	LinkReceiver

class	Receiver
	Receiver interface different signals. More...

Public Member Functions
	Layout (Platform *platform, bool limit=true)

	~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)
	Sets the anchor to scroll to.

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.

void	containerSizeChanged ()

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)

Platform *	getPlatform ()

int	textWidth (style::Font font, const char text, int len)

char *	textToUpper (const char *text, int len)

char *	textToLower (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, double gamma)

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)

void	setBgImage (style::StyleImage *bgImage, style::BackgroundRepeat bgRepeat, style::BackgroundAttachment bgAttachment, style::Length bgPositionX, style::Length bgPositionY)

style::Color *	getBgColor ()

style::StyleImage *	getBgImage ()

Public Member Functions inherited from lout::object::Object
virtual	~Object ()
	The destructor is defined as virtual (but not abstract), so that destruction of Object's works properly.

virtual bool	equals (Object *other)
	Returns, whether two objects are equal.

virtual int	hashValue ()
	Return a hash value for the object.

virtual Object *	clone ()
	Return an exact copy of the object.

virtual void	intoStringBuffer (misc::StringBuffer *sb)
	Store a textual representation of the object in a misc::StringBuffer.

const char *	toString ()
	Use object::Object::intoStringBuffer to return a textual representation of the object.

virtual size_t	sizeOf ()
	Return the number of bytes, this object totally uses.

Public Attributes
LinkEmitter	linkEmitter

lout::misc::ZoneAllocator *	textZone

Private Types
enum	ButtonEventType { BUTTON_PRESS , BUTTON_RELEASE , MOTION_NOTIFY }

Private Member Functions
void	detachWidget (Widget *widget)

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)
	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 ()

int	currHScrollbarThickness ()

int	currVScrollbarThickness ()

void	updateAnchor ()

char *	addAnchor (Widget widget, const char name)
	Used, when the widget is not allocated yet.

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 (bool extremesChanged)

void	removeWidget ()

void	enterResizeIdle ()

void	leaveResizeIdle ()

Static Private Member Functions
static bool	calcScrollInto (int targetValue, int requestedSize, int *value, int viewportSize)

Private Attributes
LayoutImgRenderer *	layoutImgRenderer

Emitter	emitter

Platform *	platform

View *	view

Widget *	topLevel

Widget *	widgetAtPoint

lout::container::typed::Vector< Widget > *	queueResizeList

style::Color *	bgColor

style::StyleImage *	bgImage

style::BackgroundRepeat	bgRepeat

style::BackgroundAttachment	bgAttachment

style::Length	bgPositionX

style::Length	bgPositionY

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

int	resizeIdleCounter

int	queueResizeCounter

int	sizeAllocateCounter

int	sizeRequestCounter

int	getExtremesCounter

int	resizeCounter

bool	resizeLimit

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

Definition at line 16 of file layout.hh.

Member Enumeration Documentation

◆ ButtonEventType

enum dw::core::Layout::ButtonEventType

private

Enumerator
BUTTON_PRESS
BUTTON_RELEASE
MOTION_NOTIFY

Definition at line 190 of file layout.hh.

Constructor & Destructor Documentation

◆ Layout()

dw::core::Layout::Layout	(	Platform *	platform,
		bool	limit = `true`
	)

◆ ~Layout()

dw::core::Layout::~Layout ( )

Member Function Documentation

◆ addAnchor() [1/2]

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

private

Used, when the widget is not allocated yet.

Definition at line 751 of file layout.cc.

References addAnchor().

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

◆ addAnchor() [2/2]

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

private

Definition at line 756 of file layout.cc.

References anchorsTable, dStrdup(), dw::core::Layout::Anchor::name, updateAnchor(), dw::core::Layout::Anchor::widget, and dw::core::Layout::Anchor::y.

◆ addWidget()

void dw::core::Layout::addWidget ( Widget * widget )

Definition at line 371 of file layout.cc.

References canvasHeightGreater, dw::core::Widget::container, DBG_OBJ_ASSOC, DBG_OBJ_SET_PTR_O, DBG_OBJ_SET_SYM, findtextState, dw::IMPL_POS, dw::core::Widget::layout, MSG_WARN, dw::core::Widget::notifySetAsTopLevel(), dw::core::Widget::queueResize(), queueResizeList, dw::core::FindtextState::setWidget(), dw::core::Widget::stackingContextMgr, dw::core::Widget::stackingContextWidget, and topLevel.

Referenced by setWidget().

◆ adjustScrollPos()

void dw::core::Layout::adjustScrollPos ( )

private

Definition at line 632 of file layout.cc.

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

Referenced by scrollIdle().

◆ attachView()

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.

Definition at line 459 of file layout.cc.

References dw::core::Platform::attachView(), bgColor, canvasAscent, canvasDescent, canvasWidth, cursor, DBG_OBJ_ASSOC_CHILD, DBG_OBJ_SET_NUM, dw::core::View::getHScrollbarThickness(), dw::core::View::getVScrollbarThickness(), hScrollbarThickness, lout::misc::max(), MSG_ERR, 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(), view, viewportHeight, viewportWidth, and vScrollbarThickness.

Referenced by dw::fltk::ui::FltkComplexButtonResource::createNewWidget(), main(), dw::fltk::ui::FltkComplexButtonResource::setLayout(), and UIcmd_tab_new().

◆ buttonEvent()

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

private

Definition at line 1047 of file layout.cc.

References moveToWidgetAtPoint(), and processMouseEvent().

Referenced by buttonPress(), and buttonRelease().

◆ buttonPress()

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.

Definition at line 315 of file layout.hh.

References BUTTON_PRESS, buttonEvent(), and view.

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

◆ buttonRelease()

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.

Definition at line 329 of file layout.hh.

References BUTTON_RELEASE, buttonEvent(), and view.

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

◆ calcScrollInto()

bool dw::core::Layout::calcScrollInto	(	int	targetValue,
		int	requestedSize,
		int *	value,
		int	viewportSize
	)

staticprivate

Definition at line 645 of file layout.cc.

Referenced by scrollIdle().

◆ cancelTooltip()

void dw::core::Layout::cancelTooltip ( )

inline

Definition at line 405 of file layout.hh.

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

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

◆ changeAnchor()

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

private

Definition at line 774 of file layout.cc.

References anchorsTable, updateAnchor(), dw::core::Layout::Anchor::widget, and dw::core::Layout::Anchor::y.

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

◆ connect()

void dw::core::Layout::connect ( Receiver * receiver )

inline

Definition at line 426 of file layout.hh.

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

◆ connectLink()

void dw::core::Layout::connectLink ( LinkReceiver * receiver )

inline

Definition at line 259 of file layout.hh.

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

Referenced by main().

◆ containerSizeChanged()

void dw::core::Layout::containerSizeChanged ( )

Definition at line 1344 of file layout.cc.

References dw::core::Widget::containerSizeChanged(), DBG_OBJ_ENTER0, DBG_OBJ_LEAVE, queueResize(), and topLevel.

Referenced by resizeIdle(), and viewportSizeChanged().

◆ copySelection()

void dw::core::Layout::copySelection ( const char * text )

inline

Definition at line 416 of file layout.hh.

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

Referenced by a_UIcmd_copy_urlstr(), and dw::core::SelectionState::copy().

◆ createColor()

style::Color * dw::core::Layout::createColor ( int color )

inline

Definition at line 395 of file layout.hh.

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

◆ createFont()

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

inline

Definition at line 385 of file layout.hh.

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

◆ createImgbuf()

Imgbuf * dw::core::Layout::createImgbuf	(	Imgbuf::Type	type,
		int	width,
		int	height,
		double	gamma
	)

inline

Definition at line 410 of file layout.hh.

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

Referenced by imageInitTimeout(), imageInitTimeout(), imageInitTimeout(), imageInitTimeout(), solution1(), solution2(), and solution3().

◆ createTooltip()

style::Tooltip * dw::core::Layout::createTooltip ( const char * text )

inline

Definition at line 400 of file layout.hh.

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

◆ currHScrollbarThickness()

int dw::core::Layout::currHScrollbarThickness ( )

private

Definition at line 724 of file layout.cc.

References canvasWidth, hScrollbarThickness, and viewportWidth.

Referenced by processMouseEvent(), resizeIdle(), and scrollIdle().

◆ currVScrollbarThickness()

int dw::core::Layout::currVScrollbarThickness ( )

private

Definition at line 729 of file layout.cc.

References canvasAscent, canvasDescent, viewportHeight, and vScrollbarThickness.

Referenced by processMouseEvent(), resizeIdle(), and scrollIdle().

◆ detachView()

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.

Definition at line 511 of file layout.cc.

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

◆ detachWidget()

void dw::core::Layout::detachWidget ( Widget * widget )

private

Definition at line 351 of file layout.cc.

References detachWidget(), dw::core::Iterator::getContent(), dw::core::Widget::iterator(), dw::core::Widget::layout, dw::core::Iterator::next(), dw::core::Iterator::unref(), dw::core::Content::widget, dw::core::Content::WIDGET_IN_FLOW, and dw::core::Content::WIDGET_OOF_CONT.

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

◆ dpiX()

float dw::core::Layout::dpiX ( )

inline

Definition at line 375 of file layout.hh.

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

Referenced by StyleEngine::StyleEngine().

◆ dpiY()

float dw::core::Layout::dpiY ( )

inline

Definition at line 380 of file layout.hh.

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

◆ draw()

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

private

Definition at line 670 of file layout.cc.

References dw::core::Widget::allocation, bgAttachment, bgImage, bgPositionX, bgPositionY, bgRepeat, canvasAscent, canvasDescent, canvasHeightGreater, canvasWidth, DBG_OBJ_ENTER, DBG_OBJ_LEAVE, dw::core::Widget::draw(), drawAfterScrollReq, dw::core::style::drawBackgroundImage(), dw::core::View::finishDrawing(), dw::core::Widget::getHeight(), dw::core::style::StyleImage::getImgbufSrc(), dw::core::Rectangle::height, hScrollbarThickness, dw::core::Rectangle::intersectsWith(), lout::misc::max(), scrollIdleId, dw::core::View::startDrawing(), topLevel, view, viewportHeight, viewportWidth, vScrollbarThickness, dw::core::Rectangle::width, dw::core::Allocation::width, dw::core::Rectangle::x, dw::core::Allocation::x, dw::core::Rectangle::y, and dw::core::Allocation::y.

Referenced by expose().

◆ emitLinkClick()

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

inline

Definition at line 273 of file layout.hh.

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

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

◆ emitLinkEnter()

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

inline

Definition at line 262 of file layout.hh.

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

Referenced by dw::Textblock::leaveNotifyImpl(), and dw::Textblock::motionNotifyImpl().

◆ emitLinkPress()

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

inline

Definition at line 265 of file layout.hh.

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

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

◆ emitLinkRelease()

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

inline

Definition at line 269 of file layout.hh.

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

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

◆ enterNotify()

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.

Definition at line 1088 of file layout.cc.

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

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

◆ enterResizeIdle()

void dw::core::Layout::enterResizeIdle ( )

inlineprivate

Definition at line 252 of file layout.hh.

References resizeIdleCounter.

Referenced by resizeIdle().

◆ expose()

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

inline

Definition at line 300 of file layout.hh.

References DBG_OBJ_ENTER, DBG_OBJ_LEAVE, draw(), dw::core::Rectangle::height, view, dw::core::Rectangle::width, dw::core::Rectangle::x, and dw::core::Rectangle::y.

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

◆ fontExists()

bool dw::core::Layout::fontExists ( const char * name )

inline

Definition at line 390 of file layout.hh.

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

◆ getBgColor()

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

inline

Definition at line 443 of file layout.hh.

References bgColor.

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

◆ getBgImage()

style::StyleImage * dw::core::Layout::getBgImage ( )

inline

Definition at line 444 of file layout.hh.

References bgImage.

◆ getHeightViewport()

int dw::core::Layout::getHeightViewport ( )

inline

Definition at line 287 of file layout.hh.

References viewportHeight.

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

◆ getPlatform()

Platform * dw::core::Layout::getPlatform ( )

inline

Definition at line 343 of file layout.hh.

References platform.

Referenced by dw::Textblock::hyphenateWord().

◆ getResourceFactory()

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

inline

Definition at line 421 of file layout.hh.

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

Referenced by main().

◆ getScrollPosX()

int dw::core::Layout::getScrollPosX ( )

inline

Definition at line 288 of file layout.hh.

References scrollX.

Referenced by a_UIcmd_get_scroll_xy().

◆ getScrollPosY()

int dw::core::Layout::getScrollPosY ( )

inline

Definition at line 289 of file layout.hh.

References scrollY.

Referenced by a_UIcmd_get_scroll_xy().

◆ getUsesViewport()

bool dw::core::Layout::getUsesViewport ( )

inline

Definition at line 285 of file layout.hh.

References usesViewport.

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

◆ getWidgetAtPoint()

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

private

Definition at line 1132 of file layout.cc.

References DBG_OBJ_ENTER, DBG_OBJ_LEAVE, DBG_OBJ_MSGF, dw::core::Widget::getWidgetAtPoint(), topLevel, and dw::core::Widget::wasAllocated().

Referenced by moveToWidgetAtPoint(), and processMouseEvent().

◆ getWidthViewport()

int dw::core::Layout::getWidthViewport ( )

inline

Definition at line 286 of file layout.hh.

References viewportWidth.

Referenced by dw::Textblock::calcLineBreakWidth(), StyleEngine::computeValue(), and dw::core::Iterator::scrollTo().

◆ leaveNotify()

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.

Definition at line 1109 of file layout.cc.

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

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

◆ leaveResizeIdle()

void dw::core::Layout::leaveResizeIdle ( )

inlineprivate

Definition at line 253 of file layout.hh.

References resizeIdleCounter.

Referenced by resizeIdle().

◆ motionNotify()

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.

Definition at line 1070 of file layout.cc.

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

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

◆ moveOutOfView()

void dw::core::Layout::moveOutOfView ( ButtonState state )

inlineprivate

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

Definition at line 208 of file layout.hh.

References moveToWidget().

Referenced by leaveNotify().

◆ moveToWidget()

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

private

Definition at line 1153 of file layout.cc.

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

Referenced by moveOutOfView(), and moveToWidgetAtPoint().

◆ moveToWidgetAtPoint()

void dw::core::Layout::moveToWidgetAtPoint	(	int	x,
		int	y,
		ButtonState	state
	)

inlineprivate

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

Definition at line 201 of file layout.hh.

References getWidgetAtPoint(), and moveToWidget().

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

◆ nextGlyph()

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

inline

Definition at line 365 of file layout.hh.

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

Referenced by dw::fltk::FltkWidgetView::drawText(), dw::Textblock::drawText(), dw::Textblock::sendSelectionEvent(), and dw::Textblock::textWidth().

◆ prevGlyph()

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

inline

Definition at line 370 of file layout.hh.

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

◆ processMouseEvent()

bool dw::core::Layout::processMouseEvent	(	MousePositionEvent *	event,
		ButtonEventType	type
	)

private

Common processing of press, release and motion events.

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

Definition at line 1244 of file layout.cc.

References lout::misc::assertNotReached(), BUTTON_PRESS, BUTTON_RELEASE, dw::core::Widget::buttonPress(), dw::core::Widget::buttonRelease(), canvasAscent, canvasDescent, currHScrollbarThickness(), currVScrollbarThickness(), emitLinkPress(), emitLinkRelease(), dw::core::Widget::getAllocation(), dw::core::Widget::getParent(), getWidgetAtPoint(), dw::core::Widget::isButtonSensitive(), lout::misc::min(), MOTION_NOTIFY, dw::core::Widget::motionNotify(), scrollX, scrollY, viewportHeight, viewportWidth, dw::core::Allocation::x, dw::core::MousePositionEvent::xCanvas, dw::core::Allocation::y, and dw::core::MousePositionEvent::yCanvas.

Referenced by buttonEvent(), and motionNotify().

◆ queueDraw()

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

private

Definition at line 991 of file layout.cc.

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().

◆ queueDrawExcept()

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

private

Definition at line 1004 of file layout.cc.

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

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

◆ queueResize()

void dw::core::Layout::queueResize ( bool extremesChanged )

private

Definition at line 1027 of file layout.cc.

References dw::core::Platform::addIdle(), dw::core::View::cancelQueueDraw(), DBG_OBJ_ENTER, DBG_OBJ_LEAVE, DBG_OBJ_MSGF, dw::core::Layout::Emitter::emitResizeQueued(), emitter, platform, resizeIdle(), resizeIdleId, and view.

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

◆ removeAnchor()

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

private

Definition at line 784 of file layout.cc.

References anchorsTable.

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

◆ removeWidget()

void dw::core::Layout::removeWidget ( )

private

Bug:: Some more attributes must be reset here.

Definition at line 406 of file layout.cc.

References canvasAscent, canvasDescent, canvasWidth, dw::core::Layout::Emitter::emitCanvasSizeChanged(), emitter, findtextState, dw::core::View::queueDrawTotal(), queueResizeList, 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().

◆ resetSearch()

void dw::core::Layout::resetSearch ( )

inline

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

Definition at line 435 of file layout.hh.

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

Referenced by a_UIcmd_findtext_reset(), and resetCallback().

◆ resizeIdle()

void dw::core::Layout::resizeIdle ( )

private

Definition at line 870 of file layout.cc.

References dw::core::Widget::ALLOCATE_QUEUED, dw::core::Widget::allocateQueued(), dw::core::Allocation::ascent, dw::core::Requisition::ascent, canvasAscent, canvasDescent, canvasHeightGreater, canvasWidth, containerSizeChanged(), currHScrollbarThickness(), currVScrollbarThickness(), DBG_OBJ_ENTER0, DBG_OBJ_LEAVE, DBG_OBJ_MSGF, DBG_OBJ_SET_SYM, dw::core::Allocation::descent, dw::core::Requisition::descent, dw::core::Layout::Emitter::emitCanvasSizeChanged(), emitter, enterResizeIdle(), dw::core::Widget::EXTREMES_CHANGED, dw::core::Widget::EXTREMES_QUEUED, dw::core::Widget::extremesQueued(), dw::core::View::getScrollbarOnLeft(), leaveResizeIdle(), MSG_ERR, MSG_WARN, dw::core::Widget::NEEDS_ALLOCATE, dw::core::Widget::NEEDS_RESIZE, dw::core::Widget::needsAllocate(), dw::core::Widget::needsResize(), queueResizeList, dw::core::Widget::RESIZE_QUEUED, resizeCounter, resizeIdleId, resizeLimit, dw::core::Widget::resizeQueued(), dw::core::View::setCanvasSize(), dw::core::Widget::setFlags(), dw::core::View::setViewportSize(), dw::core::Widget::sizeAllocate(), dw::core::Widget::sizeRequest(), topLevel, dw::core::Widget::unsetFlags(), updateAnchor(), usesViewport, view, viewportHeight, viewportWidth, dw::core::Allocation::width, dw::core::Requisition::width, dw::core::Allocation::x, and dw::core::Allocation::y.

Referenced by queueResize().

◆ scroll()

void dw::core::Layout::scroll ( ScrollCommand cmd )

Definition at line 529 of file layout.cc.

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

Referenced by a_UIcmd_scroll().

◆ scrollIdle()

void dw::core::Layout::scrollIdle ( )

private

◆ scrollPosChanged()

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

Definition at line 1307 of file layout.cc.

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

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

◆ 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.

Definition at line 539 of file layout.cc.

References scrollTo0().

Referenced by a_UIcmd_set_scroll_xy(), dw::fltk::FltkViewBase::manageTabToFocus(), dw::core::Widget::scrollTo(), and dw::core::Iterator::scrollTo().

◆ scrollTo0()

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

private

Definition at line 545 of file layout.cc.

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

Referenced by scrollTo(), and updateAnchor().

◆ search()

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

inline

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

Definition at line 430 of file layout.hh.

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

Referenced by a_UIcmd_findtext_search(), and findCallback().

◆ setAnchor()

void dw::core::Layout::setAnchor ( const char * anchor )

Sets the anchor to scroll to.

Definition at line 738 of file layout.cc.

References _MSG, dStrdup(), requestedAnchor, and updateAnchor().

Referenced by a_UIcmd_set_scroll_by_fragment(), anchorCallback(), removeWidget(), and scrollPosChanged().

◆ setBgColor()

void dw::core::Layout::setBgColor ( style::Color * color )

Definition at line 826 of file layout.cc.

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

Referenced by a_Web_dispatch_by_type(), and UIcmd_tab_new().

◆ setBgImage()

void dw::core::Layout::setBgImage	(	style::StyleImage *	bgImage,
		style::BackgroundRepeat	bgRepeat,
		style::BackgroundAttachment	bgAttachment,
		style::Length	bgPositionX,
		style::Length	bgPositionY
	)