GrDrag Class Reference

This is the root class of the gradient dragging machinery. More...

#include <gradient-drag.h>

Classes
struct	ItemCurve

Public Member Functions
	GrDrag (SPDesktop *desktop)
virtual	~GrDrag ()
bool	isNonEmpty ()
bool	hasSelection ()
guint	numSelected ()
guint	numDraggers ()
guint	singleSelectedDraggerNumDraggables ()
guint	singleSelectedDraggerSingleDraggableType ()
void	setSelected (GrDragger *dragger, bool add_to_selection=false, bool override=true)
	Select a dragger.
void	setDeselected (GrDragger *dragger)
	Deselect a dragger.
void	deselectAll ()
	Deselect all stops/draggers (public; emits signal).
void	selectAll ()
	Select all stops/draggers.
void	selectByCoords (std::vector< Geom::Point > coords)
	Select all stops/draggers that match the coords.
void	selectByStop (SPStop *stop, bool add_to_selection=true, bool override=true)
	Select draggers by stop.
void	selectRect (Geom::Rect const &r)
	Select all stops/draggers that fall within the rect.
void	addColorToDragger (GrDragger &dragger, const char *color)
void	dropColorOnCorrespondingRegion (const char *color, Geom::Point p)
bool	dropColor (SPItem *item, gchar const *c, Geom::Point p)
SPStop *	addStopNearPoint (SPItem *item, Geom::Point mouse_p, double tolerance)
void	deleteSelected (bool just_one=false)
Inkscape::Colors::Color	getColor ()
GrDragger *	getDraggerFor (GrDraggable *d)
	Select the dragger which has the given draggable.
GrDragger *	getDraggerFor (SPItem *item, GrPointType point_type, gint point_i, Inkscape::PaintTarget fill_or_stroke)
	Select the dragger which has the given draggable.
void	grabKnot (GrDragger *dragger, gint x, gint y, guint32 etime)
	Artificially grab the knot of this dragger; used by the gradient context.
void	grabKnot (SPItem *item, GrPointType point_type, gint point_i, Inkscape::PaintTarget fill_or_stroke, gint x, gint y, guint32 etime)
	Artificially grab the knot of the dragger with this draggable; used by the gradient context.
void	updateDraggers ()
	Regenerates the draggers list from the current selection; is called when selection is changed or modified, also when a radial dragger needs to update positions of other draggers in the gradient.
void	refreshDraggers ()
	Refresh draggers, moving and toggling visibility as necessary.
void	updateLines ()
	Regenerates the lines list from the current selection; is called on each move of a dragger, so that lines are always in sync with the actual gradient.
void	updateLevels ()
	Regenerates the levels list from the current selection.
bool	mouseOver ()
	Returns true if at least one of the draggers' knots has the mouse hovering above it.
void	selected_move_nowrite (double x, double y, bool scale_radial)
void	selected_move (double x, double y, bool write_repr=true, bool scale_radial=false)
void	selected_move_screen (double x, double y)
bool	key_press_handler (Inkscape::KeyPressEvent const &event)
	Handle arrow key events.
GrDragger *	select_next ()
	Select the knot next to the last selected one and deselect all other selected.
GrDragger *	select_prev ()
	Select the knot previous from the last selected one and deselect all other selected.
void	selected_reverse_vector ()

Public Attributes
std::set< GrDragger * >	selected
bool	keep_selection
bool	local_change
SPDesktop *	desktop
std::vector< double >	hor_levels
std::vector< double >	vert_levels
std::vector< GrDragger * >	draggers
std::vector< ItemCurve >	item_curves

Private Member Functions
void	deselect_all ()
	Deselect all stops/draggers (private).
void	addLine (SPItem *item, Geom::Point p1, Geom::Point p2, Inkscape::PaintTarget fill_or_stroke)
	Create a line from p1 to p2 and add it to the curves list.
void	addCurve (SPItem *item, Geom::Point p0, Geom::Point p1, Geom::Point p2, Geom::Point p3, int corner0, int corner1, int handle0, int handle1, Inkscape::PaintTarget fill_or_stroke)
	Create a curve from p0 to p3 and add it to the curves list.
GrDragger *	addDragger (GrDraggable *draggable)
	If there already exists a dragger within MERGE_DIST of p, add the draggable to it; otherwise create new dragger and add it to draggers list.
void	addDraggersRadial (SPRadialGradient *rg, SPItem *item, Inkscape::PaintTarget fill_or_stroke)
	Add draggers for the radial gradient rg on item.
void	addDraggersLinear (SPLinearGradient *lg, SPItem *item, Inkscape::PaintTarget fill_or_stroke)
	Add draggers for the linear gradient lg on item.
void	addDraggersMesh (SPMeshGradient *mg, SPItem *item, Inkscape::PaintTarget fill_or_stroke)
	Add draggers for the mesh gradient mg on item.
void	refreshDraggersMesh (SPMeshGradient *mg, SPItem *item, Inkscape::PaintTarget fill_or_stroke)
	Refresh draggers, moving and toggling visibility as necessary.
bool	styleSet (const SPCSSAttr *css, bool switch_style)
Glib::ustring	makeStopSafeColor (gchar const *str, bool &isNull)

Private Attributes
Inkscape::Selection *	selection
sigc::connection	sel_changed_connection
sigc::connection	sel_modified_connection
sigc::connection	style_set_connection
sigc::connection	style_query_connection

Detailed Description

This is the root class of the gradient dragging machinery.

It holds lists of GrDraggers and of lines (simple canvas items). It also remembers one of the draggers as selected.

Definition at line 148 of file gradient-drag.h.

Constructor & Destructor Documentation

GrDrag()

GrDrag::GrDrag

(

SPDesktop *

desktop

)

Definition at line 665 of file gradient-drag.cpp.

References Inkscape::Selection::connectChangedFirst(), Inkscape::Selection::connectModifiedFirst(), SPDesktop::connectQueryStyle(), SPDesktop::connectSetStyle(), desktop, getDraggerFor(), gr_drag_sel_changed(), gr_drag_sel_modified(), gr_drag_style_query(), SPDesktop::gr_fill_or_stroke, SPDesktop::gr_item, SPDesktop::gr_point_i, SPDesktop::gr_point_type, sel_changed_connection, sel_modified_connection, selection, setSelected(), style_query_connection, style_set_connection, styleSet(), updateDraggers(), updateLevels(), and updateLines().

~GrDrag()

GrDrag::~GrDrag ( )

virtual

Definition at line 710 of file gradient-drag.cpp.

References deselect_all(), desktop, draggers, GrDraggable::fill_or_stroke, Inkscape::FOR_FILL, SPDesktop::gr_fill_or_stroke, SPDesktop::gr_item, SPDesktop::gr_point_i, SPDesktop::gr_point_type, GrDraggable::item, item_curves, GrDraggable::point_i, POINT_LG_BEGIN, GrDraggable::point_type, sel_changed_connection, sel_modified_connection, selected, style_query_connection, and style_set_connection.

Member Function Documentation

addColorToDragger()

void GrDrag::addColorToDragger	(	GrDragger &	dragger,
		const char *	color
	)

Definition at line 544 of file gradient-drag.cpp.

References GrDragger::draggables, local_change, sp_item_gradient_stop_set_style(), sp_repr_css_attr_new(), sp_repr_css_attr_unref(), and sp_repr_css_set_property().

Referenced by dropColor(), and dropColorOnCorrespondingRegion().

addCurve()

void GrDrag::addCurve ( SPItem *  item, Geom::Point  p0, Geom::Point  p1, Geom::Point  p2, Geom::Point  p3, int  corner0, int  corner1, int  handle0, int  handle1, Inkscape::PaintTarget  fill_or_stroke  )

private

Create a curve from p0 to p3 and add it to the curves list.

Used for mesh sides.

Definition at line 2101 of file gradient-drag.cpp.

References Inkscape::CANVAS_ITEM_PRIMARY, Inkscape::CANVAS_ITEM_SECONDARY, desktop, SPKnot::flags, Inkscape::FOR_FILL, SPDesktop::getCanvasControls(), getDraggerFor(), item, item_curves, GrDragger::knot, POINT_MG_CORNER, POINT_MG_HANDLE, and SP_KNOT_MOUSEOVER.

Referenced by updateLines().

addDragger()

GrDragger * GrDrag::addDragger ( GrDraggable *  draggable )

private

If there already exists a dragger within MERGE_DIST of p, add the draggable to it; otherwise create new dragger and add it to draggers list.

Definition at line 2137 of file gradient-drag.cpp.

References draggers, GrDraggable::fill_or_stroke, getGradientCoords(), GrDraggable::item, Geom::L2(), GrDraggable::point_i, and GrDraggable::point_type.

Referenced by addDraggersLinear(), addDraggersMesh(), and addDraggersRadial().

addDraggersLinear()

void GrDrag::addDraggersLinear ( SPLinearGradient *  lg, SPItem *  item, Inkscape::PaintTarget  fill_or_stroke  )

private

Add draggers for the linear gradient lg on item.

Definition at line 2182 of file gradient-drag.cpp.

References addDragger(), SPGradient::ensureVector(), item, num, POINT_LG_BEGIN, POINT_LG_END, POINT_LG_MID, SPGradientVector::stops, and SPGradient::vector.

Referenced by updateDraggers().

addDraggersMesh()

void GrDrag::addDraggersMesh ( SPMeshGradient *  mg, SPItem *  item, Inkscape::PaintTarget  fill_or_stroke  )

private

Add draggers for the mesh gradient mg on item.

Definition at line 2198 of file gradient-drag.cpp.

References addDragger(), SPGradient::array, SPGradient::ensureArray(), Inkscape::FOR_FILL, Inkscape::FOR_STROKE, Inkscape::Preferences::get(), Inkscape::Preferences::getBool(), SPKnot::hide(), item, GrDragger::knot, MG_NODE_TYPE_CORNER, MG_NODE_TYPE_HANDLE, MG_NODE_TYPE_TENSOR, node, SPMeshNodeArray::nodes, SPMeshNodeArray::patch_columns(), SPMeshNodeArray::patch_rows(), POINT_MG_CORNER, POINT_MG_HANDLE, and POINT_MG_TENSOR.

Referenced by updateDraggers().

addDraggersRadial()

void GrDrag::addDraggersRadial ( SPRadialGradient *  rg, SPItem *  item, Inkscape::PaintTarget  fill_or_stroke  )

private

Add draggers for the radial gradient rg on item.

Definition at line 2159 of file gradient-drag.cpp.

References addDragger(), SPGradient::ensureVector(), item, num, POINT_RG_CENTER, POINT_RG_FOCUS, POINT_RG_MID1, POINT_RG_MID2, POINT_RG_R1, POINT_RG_R2, SPGradientVector::stops, and SPGradient::vector.

Referenced by updateDraggers().

addLine()

void GrDrag::addLine ( SPItem *  item, Geom::Point  p1, Geom::Point  p2, Inkscape::PaintTarget  fill_or_stroke  )

private

Create a line from p1 to p2 and add it to the curves list.

Used for linear and radial gradients.

Definition at line 2083 of file gradient-drag.cpp.

References Inkscape::CANVAS_ITEM_PRIMARY, Inkscape::CANVAS_ITEM_SECONDARY, desktop, Inkscape::FOR_FILL, SPDesktop::getCanvasControls(), item, and item_curves.

Referenced by updateLines().

addStopNearPoint()

SPStop * GrDrag::addStopNearPoint	(	SPItem *	item,
		Geom::Point	mouse_p,
		double	tolerance
	)

Definition at line 318 of file gradient-drag.cpp.

References desktop, Geom::distance(), distance(), end, SPGradient::ensureVector(), SPDesktop::getDocument(), SPGradient::getFirstStop(), getGradient(), getGradientCoords(), SPStop::getNextStop(), SPMeshPatchI::getPoint(), SPGradient::getStopCount(), SPItem::i2dt_affine(), item, Geom::L2(), local_change, Geom::BezierCurveN< degree >::nearestTime(), SPStop::offset, offset, POINT_LG_BEGIN, POINT_LG_END, POINT_RG_CENTER, POINT_RG_R1, POINT_RG_R2, Geom::BezierCurve::pointAt(), selectByStop(), sp_gradient_add_stop_at(), sp_gradient_get_forked_vector_if_necessary(), sp_vector_add_stop(), and updateDraggers().

Referenced by Inkscape::UI::Tools::GradientTool::add_stop_near_point(), dropColor(), and Inkscape::UI::Tools::MeshTool::split_near_point().

deleteSelected()

void GrDrag::deleteSelected

(

bool

just_one = false

)

Definition at line 2905 of file gradient-drag.cpp.

References child, css, GrDragger::draggables, end, Inkscape::XML::Node::firstChild(), Inkscape::FOR_FILL, SPGradient::getFirstStop(), getGradient(), SPStop::getNextStop(), SPObject::getRepr(), len, Inkscape::XML::Node::next(), SPStop::offset, offset, parent, Inkscape::XML::Node::parent(), POINT_LG_BEGIN, POINT_LG_END, POINT_LG_MID, POINT_RG_CENTER, POINT_RG_MID1, POINT_RG_MID2, POINT_RG_R1, POINT_RG_R2, Inkscape::XML::Node::removeChild(), selected, Inkscape::XML::Node::setAttributeCssDouble(), Inkscape::XML::Node::setAttributeSvgDouble(), sp_get_stop_i(), sp_gradient_get_forked_vector_if_necessary(), sp_last_stop(), sp_repr_css_attr(), sp_repr_css_attr_new(), sp_repr_css_attr_unref(), sp_repr_css_change(), sp_repr_css_property(), sp_repr_css_set_property(), sp_repr_css_unset_property(), Geom::X, and Geom::Y.

Referenced by Inkscape::UI::Toolbar::GradientToolbar::remove_stop().

deselect_all()

void GrDrag::deselect_all ( )

private

Deselect all stops/draggers (private).

Definition at line 1949 of file gradient-drag.cpp.

References selected.

Referenced by deselectAll(), setSelected(), and ~GrDrag().

deselectAll()

void GrDrag::deselectAll

(

)

Deselect all stops/draggers (public; emits signal).

Definition at line 1959 of file gradient-drag.cpp.

References deselect_all(), desktop, and SPDesktop::emit_gradient_stop_selected().

Referenced by Inkscape::UI::Tools::MeshTool::root_handler().

dropColor()

bool GrDrag::dropColor	(	SPItem *	item,
		gchar const *	c,
		Geom::Point	p
	)

Definition at line 602 of file gradient-drag.cpp.

References addColorToDragger(), addStopNearPoint(), c, css, SPDesktop::current_zoom(), SPDesktop::d2w(), desktop, Geom::distance(), GrDragger::draggables, draggers, dropColorOnCorrespondingRegion(), getGradient(), Geom::infinity(), item_curves, makeStopSafeColor(), selected, sp_repr_css_attr_new(), sp_repr_css_attr_unref(), sp_repr_css_change(), and sp_repr_css_set_property().

dropColorOnCorrespondingRegion()

void GrDrag::dropColorOnCorrespondingRegion	(	const char *	color,
		Geom::Point	p
	)

Definition at line 557 of file gradient-drag.cpp.

References addColorToDragger(), Geom::distance(), and draggers.

Referenced by dropColor().

getColor()

Inkscape::Colors::Color GrDrag::getColor

(

)

Definition at line 301 of file gradient-drag.cpp.

References Inkscape::Colors::ColorSet::getAverage(), selected, Inkscape::Colors::ColorSet::set(), and sp_item_gradient_stop_query_style().

getDraggerFor() [1/2]

GrDragger * GrDrag::getDraggerFor

(

GrDraggable *

d

)

Select the dragger which has the given draggable.

Definition at line 1741 of file gradient-drag.cpp.

References draggers.

Referenced by addCurve(), Inkscape::UI::Tools::get_stop_intervals(), GrDragger::getMgCorner(), gr_midpoint_limits(), grabKnot(), GrDrag(), GrDragger::highlightNode(), GrDragger::moveMeshHandles(), GrDragger::moveOtherToDraggable(), refreshDraggersMesh(), and Inkscape::UI::Tools::MeshTool::root_handler().

getDraggerFor() [2/2]

GrDragger * GrDrag::getDraggerFor	(	SPItem *	item,
		GrPointType	point_type,
		gint	point_i,
		Inkscape::PaintTarget	fill_or_stroke
	)

Select the dragger which has the given draggable.

Definition at line 1755 of file gradient-drag.cpp.

References draggers, GrDraggable::fill_or_stroke, item, GrDraggable::item, GrDraggable::point_i, and GrDraggable::point_type.

grabKnot() [1/2]

void GrDrag::grabKnot	(	GrDragger *	dragger,
		gint	x,
		gint	y,
		guint32	etime
	)

Artificially grab the knot of this dragger; used by the gradient context.

Not used at the moment.

Definition at line 2357 of file gradient-drag.cpp.

References GrDragger::knot, GrDragger::point, and SPKnot::startDragging().

grabKnot() [2/2]

void GrDrag::grabKnot	(	SPItem *	item,
		GrPointType	point_type,
		gint	point_i,
		Inkscape::PaintTarget	fill_or_stroke,
		gint	x,
		gint	y,
		guint32	etime
	)

Artificially grab the knot of the dragger with this draggable; used by the gradient context.

This allows setting the final point from the end of the drag when creating a new gradient.

Definition at line 2368 of file gradient-drag.cpp.

References getDraggerFor(), item, GrDragger::knot, GrDragger::point, and SPKnot::startDragging().

hasSelection()

bool GrDrag::hasSelection ( )

inline

Definition at line 155 of file gradient-drag.h.

References selected.

Referenced by Inkscape::UI::Tools::GradientTool::add_stops_between_selected_stops().

isNonEmpty()

bool GrDrag::isNonEmpty ( )

inline

Definition at line 154 of file gradient-drag.h.

References draggers.

Referenced by Inkscape::UI::Tools::GradientTool::selection_changed(), and Inkscape::UI::Tools::MeshTool::selection_changed().

key_press_handler()

bool GrDrag::key_press_handler

(

Inkscape::KeyPressEvent const &

event

)

Handle arrow key events.

Parameters

event

Event with type GDK_KEY_PRESS

Returns

True if the event was handled, false otherwise

Definition at line 2809 of file gradient-drag.cpp.

References desktop, Inkscape::Preferences::get(), Inkscape::UI::Tools::get_latin_keyval(), Inkscape::UI::Tools::gobble_key_events(), selected_move(), selected_move_screen(), and SPDesktop::yaxisdir().

makeStopSafeColor()

Glib::ustring GrDrag::makeStopSafeColor ( gchar const *  str, bool &  isNull  )

private

Definition at line 175 of file gradient-drag.cpp.

References desktop, SPDesktop::doc(), SPStop::getColor(), SPGradient::getFirstStop(), SPDocument::getResourceList(), SPGradient::getVector(), and Inkscape::Colors::Color::toString().

Referenced by dropColor(), and styleSet().

mouseOver()

bool GrDrag::mouseOver

(

)

Returns true if at least one of the draggers' knots has the mouse hovering above it.

Definition at line 2466 of file gradient-drag.cpp.

References draggers, SP_KNOT_MOUSEOVER, and updateLines().

numDraggers()

guint GrDrag::numDraggers ( )

inline

Definition at line 157 of file gradient-drag.h.

References draggers.

Referenced by Inkscape::UI::Tools::GradientTool::selection_changed(), and Inkscape::UI::Tools::MeshTool::selection_changed().

numSelected()

guint GrDrag::numSelected ( )

inline

Definition at line 156 of file gradient-drag.h.

References selected.

Referenced by Inkscape::UI::Tools::GradientTool::add_stops_between_selected_stops(), Inkscape::UI::Tools::GradientTool::selection_changed(), and Inkscape::UI::Tools::MeshTool::selection_changed().

refreshDraggers()

void GrDrag::refreshDraggers

(

)

Refresh draggers, moving and toggling visibility as necessary.

Does not regenerate draggers (as does updateDraggers()). Only applies to mesh gradients.

Definition at line 2433 of file gradient-drag.cpp.

References SPStyle::fill, Inkscape::FOR_FILL, Inkscape::FOR_STROKE, SPStyle::getFillPaintServer(), SPStyle::getStrokePaintServer(), item, Inkscape::ObjectSet::items(), refreshDraggersMesh(), selection, SPStyle::stroke, and SPObject::style.

Referenced by gr_drag_sel_modified().

refreshDraggersMesh()

void GrDrag::refreshDraggersMesh ( SPMeshGradient *  mg, SPItem *  item, Inkscape::PaintTarget  fill_or_stroke  )

private

Refresh draggers, moving and toggling visibility as necessary.

Does not regenerate draggers (as does updateDraggersMesh()).

Definition at line 2278 of file gradient-drag.cpp.

References SPGradient::array, SPGradient::ensureArray(), Inkscape::Preferences::get(), Inkscape::Preferences::getBool(), getDraggerFor(), getGradientCoords(), SPKnot::hide(), item, GrDragger::knot, MG_NODE_TYPE_CORNER, MG_NODE_TYPE_HANDLE, MG_NODE_TYPE_TENSOR, SPKnot::moveto(), node, SPMeshNodeArray::nodes, SPMeshNodeArray::patch_columns(), SPMeshNodeArray::patch_rows(), POINT_MG_HANDLE, POINT_MG_TENSOR, and SPKnot::show().

Referenced by refreshDraggers().

select_next()

GrDragger * GrDrag::select_next

(

)

Select the knot next to the last selected one and deselect all other selected.

Definition at line 2872 of file gradient-drag.cpp.

References draggers, selected, and setSelected().

Referenced by Inkscape::UI::Tools::GradientTool::select_next(), and Inkscape::UI::Tools::MeshTool::select_next().

select_prev()

GrDragger * GrDrag::select_prev

(

)

Select the knot previous from the last selected one and deselect all other selected.

Definition at line 2889 of file gradient-drag.cpp.

References draggers, selected, and setSelected().

Referenced by Inkscape::UI::Tools::GradientTool::select_prev(), and Inkscape::UI::Tools::MeshTool::select_prev().

selectAll()

void GrDrag::selectAll

(

)

Select all stops/draggers.

Definition at line 1968 of file gradient-drag.cpp.

References draggers, and setSelected().

selectByCoords()

void GrDrag::selectByCoords

(

std::vector< Geom::Point >

coords

)

Select all stops/draggers that match the coords.

Definition at line 1978 of file gradient-drag.cpp.

References draggers, Geom::L2(), and setSelected().

selectByStop()

void GrDrag::selectByStop	(	SPStop *	stop,
		bool	add_to_selection = true,
		bool	override = true
	)

Select draggers by stop.

Definition at line 1992 of file gradient-drag.cpp.

References draggers, GrDraggable::fill_or_stroke, getGradient(), SPGradient::getVector(), GrDraggable::item, GrDraggable::point_i, setSelected(), and sp_get_stop_i().

Referenced by Inkscape::UI::Tools::GradientTool::add_stop_near_point(), Inkscape::UI::Tools::GradientTool::add_stops_between_selected_stops(), addStopNearPoint(), Inkscape::UI::Tools::GradientTool::GradientTool(), and Inkscape::UI::Toolbar::GradientToolbar::select_dragger_by_stop().

selected_move()

void GrDrag::selected_move	(	double	x,
		double	y,
		bool	write_repr = true,
		bool	scale_radial = false
	)

Definition at line 2706 of file gradient-drag.cpp.

References SPDesktop::current_rotation(), delta, desktop, GrDragger::draggables, end, Inkscape::Preferences::get(), SPDesktop::getDocument(), GrDraggable::getServer(), gr_midpoint_limits(), Geom::Rotate::inverse(), MG_NODE_NO_SCALE, SPKnot::moveto(), Geom::BezierCurveN< degree >::nearestTime(), GrDragger::point, POINT_LG_MID, POINT_RG_CENTER, POINT_RG_FOCUS, POINT_RG_MID1, POINT_RG_MID2, POINT_RG_R1, POINT_RG_R2, Geom::BezierCurve::pointAt(), and selected.

Referenced by key_press_handler(), selected_move_nowrite(), and selected_move_screen().

selected_move_nowrite()

void GrDrag::selected_move_nowrite	(	double	x,
		double	y,
		bool	scale_radial
	)

Definition at line 2701 of file gradient-drag.cpp.

References selected_move().

Referenced by gr_knot_moved_handler().

selected_move_screen()

void GrDrag::selected_move_screen	(	double	x,
		double	y
	)

Definition at line 2795 of file gradient-drag.cpp.

References SPDesktop::current_zoom(), desktop, and selected_move().

Referenced by key_press_handler().

selected_reverse_vector()

void GrDrag::selected_reverse_vector

(

)

Definition at line 2691 of file gradient-drag.cpp.

References selected, and sp_item_gradient_reverse_vector().

Referenced by sp_gradient_reverse_selected_gradients().

selectRect()

void GrDrag::selectRect

(

Geom::Rect const &

r

)

Select all stops/draggers that fall within the rect.

Definition at line 2012 of file gradient-drag.cpp.

References Geom::GenericRect< C >::contains(), draggers, and setSelected().

setDeselected()

void GrDrag::setDeselected

(

GrDragger *

dragger

)

Deselect a dragger.

Parameters

dragger

The dragger to deselect.

Definition at line 2071 of file gradient-drag.cpp.

References GrDragger::deselect(), desktop, SPDesktop::emit_gradient_stop_selected(), and selected.

setSelected()

void GrDrag::setSelected	(	GrDragger *	dragger,
		bool	add_to_selection = false,
		bool	override = true
	)

Select a dragger.

Parameters

dragger	The dragger to select.
add_to_selection	If true, add to selection, otherwise deselect others.
override	If true, always select this node, otherwise toggle selected status.

Definition at line 2027 of file gradient-drag.cpp.

References GrDragger::deselect(), deselect_all(), desktop, SPDesktop::emit_gradient_stop_selected(), GrDragger::isA(), POINT_MG_HANDLE, POINT_MG_TENSOR, GrDragger::select(), and selected.

Referenced by gr_knot_clicked_handler(), gr_knot_moved_handler(), gr_knot_ungrabbed_handler(), GrDrag(), Inkscape::UI::Tools::MeshTool::root_handler(), select_next(), select_prev(), selectAll(), selectByCoords(), selectByStop(), and selectRect().

singleSelectedDraggerNumDraggables()

guint GrDrag::singleSelectedDraggerNumDraggables ( )

inline

Definition at line 159 of file gradient-drag.h.

References selected.

Referenced by Inkscape::UI::Tools::GradientTool::selection_changed(), and Inkscape::UI::Tools::MeshTool::selection_changed().

singleSelectedDraggerSingleDraggableType()

guint GrDrag::singleSelectedDraggerSingleDraggableType ( )

inline

Definition at line 163 of file gradient-drag.h.

References selected.

Referenced by Inkscape::UI::Tools::GradientTool::selection_changed(), and Inkscape::UI::Tools::MeshTool::selection_changed().

styleSet()

bool GrDrag::styleSet ( const SPCSSAttr *  css, bool  switch_style  )

private

Definition at line 207 of file gradient-drag.cpp.

References Inkscape::XML::Node::attribute(), Inkscape::XML::Node::attributeList(), css, getGradient(), local_change, makeStopSafeColor(), selected, sp_item_gradient_stop_set_style(), sp_repr_css_attr_new(), sp_repr_css_attr_unref(), sp_repr_css_property(), sp_repr_css_property_is_unset(), sp_repr_css_set_property(), sp_svg_read_percentage(), and Inkscape::CSSOStringStream::str().

Referenced by GrDrag().

updateDraggers()

void GrDrag::updateDraggers

(

)

Regenerates the draggers list from the current selection; is called when selection is changed or modified, also when a radial dragger needs to update positions of other draggers in the gradient.

Definition at line 2380 of file gradient-drag.cpp.

References addDraggersLinear(), addDraggersMesh(), addDraggersRadial(), draggers, SPStyle::fill, Inkscape::FOR_FILL, Inkscape::FOR_STROKE, SPStyle::getFillPaintServer(), SPStyle::getStrokePaintServer(), item, Inkscape::ObjectSet::items(), selected, selection, SPStyle::stroke, and SPObject::style.

Referenced by Inkscape::UI::Tools::GradientTool::add_stop_near_point(), Inkscape::UI::Tools::GradientTool::add_stops_between_selected_stops(), addStopNearPoint(), gr_drag_sel_changed(), gr_drag_sel_modified(), GrDrag(), and Inkscape::UI::Tools::MeshTool::split_near_point().

updateLevels()

void GrDrag::updateLevels

(

)

Regenerates the levels list from the current selection.

Levels correspond to bounding box edges and midpoints.

Definition at line 2668 of file gradient-drag.cpp.

References SPItem::desktopVisualBounds(), hor_levels, item, Inkscape::ObjectSet::items(), selection, vert_levels, Geom::X, and Geom::Y.

Referenced by gr_drag_sel_changed(), gr_drag_sel_modified(), and GrDrag().

updateLines()

void GrDrag::updateLines

(

)

Regenerates the lines list from the current selection; is called on each move of a dragger, so that lines are always in sync with the actual gradient.

Definition at line 2488 of file gradient-drag.cpp.

References addCurve(), addLine(), SPStyle::fill, Inkscape::FOR_FILL, Inkscape::FOR_STROKE, Inkscape::Preferences::get(), Inkscape::Preferences::getBool(), SPStyle::getFillPaintServer(), getGradientCoords(), SPMeshPatchI::getPointsForSide(), SPStyle::getStrokePaintServer(), SPItem::i2dt_affine(), item, item_curves, Inkscape::ObjectSet::items(), POINT_LG_BEGIN, POINT_LG_END, POINT_RG_CENTER, POINT_RG_R1, POINT_RG_R2, selection, SPStyle::stroke, and SPObject::style.

Referenced by gr_drag_sel_changed(), gr_drag_sel_modified(), gr_knot_moved_handler(), GrDrag(), and mouseOver().

Member Data Documentation

desktop

SPDesktop* GrDrag::desktop

Definition at line 197 of file gradient-drag.h.

Referenced by addCurve(), addLine(), addStopNearPoint(), deselectAll(), dropColor(), gr_knot_moved_handler(), gr_knot_moved_midpoint_handler(), gr_knot_ungrabbed_handler(), GrDrag(), GrDragger::GrDragger(), key_press_handler(), makeStopSafeColor(), selected_move(), selected_move_screen(), setDeselected(), setSelected(), and ~GrDrag().

draggers

std::vector<GrDragger *> GrDrag::draggers

Definition at line 203 of file gradient-drag.h.

Referenced by addDragger(), dropColor(), dropColorOnCorrespondingRegion(), getDraggerFor(), getDraggerFor(), gr_knot_mousedown_handler(), gr_knot_moved_handler(), isNonEmpty(), mouseOver(), numDraggers(), select_next(), select_prev(), selectAll(), selectByCoords(), selectByStop(), selectRect(), updateDraggers(), and ~GrDrag().

hor_levels

std::vector<double> GrDrag::hor_levels

Definition at line 200 of file gradient-drag.h.

Referenced by updateLevels().

item_curves

std::vector<ItemCurve> GrDrag::item_curves

Definition at line 213 of file gradient-drag.h.

Referenced by addCurve(), addLine(), dropColor(), Inkscape::UI::Tools::GradientTool::is_over_curve(), Inkscape::UI::Tools::MeshTool::over_curve(), updateLines(), and ~GrDrag().

keep_selection

bool GrDrag::keep_selection

Definition at line 187 of file gradient-drag.h.

Referenced by gr_knot_moved_handler(), gr_knot_moved_midpoint_handler(), and gr_knot_ungrabbed_handler().

local_change

bool GrDrag::local_change

Definition at line 195 of file gradient-drag.h.

Referenced by Inkscape::UI::Tools::GradientTool::add_stop_near_point(), Inkscape::UI::Tools::GradientTool::add_stops_between_selected_stops(), addColorToDragger(), addStopNearPoint(), Inkscape::UI::Tools::MeshTool::corner_operation(), GrDragger::fireDraggables(), gr_drag_sel_modified(), and styleSet().

sel_changed_connection

sigc::connection GrDrag::sel_changed_connection

private

Definition at line 252 of file gradient-drag.h.

Referenced by GrDrag(), and ~GrDrag().

sel_modified_connection

sigc::connection GrDrag::sel_modified_connection

private

Definition at line 253 of file gradient-drag.h.

Referenced by GrDrag(), and ~GrDrag().

selected

std::set<GrDragger *> GrDrag::selected

Definition at line 168 of file gradient-drag.h.

Referenced by Inkscape::UI::Toolbar::GradientToolbar::_update(), Inkscape::UI::Tools::GradientTool::add_stops_between_selected_stops(), Inkscape::UI::Tools::MeshTool::corner_operation(), deleteSelected(), deselect_all(), dropColor(), Inkscape::UI::Tools::get_stop_intervals(), getColor(), gr_drag_style_query(), gr_knot_moved_handler(), gr_knot_ungrabbed_handler(), gr_midpoint_limits(), hasSelection(), GrDragger::isSelected(), GrDragger::moveMeshHandles(), numSelected(), select_next(), select_prev(), Inkscape::UI::Toolbar::GradientToolbar::select_stop_by_draggers(), selected_move(), selected_reverse_vector(), setDeselected(), setSelected(), singleSelectedDraggerNumDraggables(), singleSelectedDraggerSingleDraggableType(), sp_gradient_reverse_selected_gradients(), styleSet(), updateDraggers(), and ~GrDrag().

selection

Inkscape::Selection* GrDrag::selection

private

Definition at line 251 of file gradient-drag.h.

Referenced by GrDrag(), refreshDraggers(), updateDraggers(), updateLevels(), and updateLines().

style_query_connection

sigc::connection GrDrag::style_query_connection

private

Definition at line 256 of file gradient-drag.h.

Referenced by GrDrag(), and ~GrDrag().

style_set_connection

sigc::connection GrDrag::style_set_connection

private

Definition at line 255 of file gradient-drag.h.

Referenced by GrDrag(), and ~GrDrag().

vert_levels

std::vector<double> GrDrag::vert_levels

Definition at line 201 of file gradient-drag.h.

Referenced by updateLevels().

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

• /builds/inkscape/inkscape/src/gradient-drag.h
• /builds/inkscape/inkscape/src/gradient-drag.cpp