Inkscape: Inkscape::UI::Widget::GradientWithStops Class Reference

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#include <gradient-with-stops.h>

Inheritance diagram for Inkscape::UI::Widget::GradientWithStops:

Classes
struct	layout_t

struct	limits_t

struct	stop_pos_t

struct	stop_t

Public Member Functions
	GradientWithStops ()

	~GradientWithStops () override

void	set_gradient (SPGradient *gradient)

void	set_focused_stop (int index)

sigc::signal< void(size_t)> &	signal_stop_selected ()

sigc::signal< void(size_t, double)> &	signal_stop_offset_changed ()

sigc::signal< void(double)> &	signal_add_stop_at ()

sigc::signal< void(size_t)> &	signal_delete_stop ()

Private Member Functions
void	draw_func (Cairo::RefPtr< Cairo::Context > const &cr, int width, int height)

void	css_changed (GtkCssStyleChange *change) final
	Called after gtk_widget_css_changed(): when a CSS widget node is validated & style changed.

void	on_click_pressed (int n_press, double x, double y)

void	on_click_released (int n_press, double x, double y)

void	on_motion (double x, double y)

bool	on_key_pressed (unsigned keyval, unsigned keycode, Gdk::ModifierType state)

std::optional< bool >	focus (Gtk::DirectionType direction) final
	Called before gtk_widget_focus(): return true if moving in direction keeps focus w/in self, false if moving left focus outside widget, or nullopt for no decision & to call base vfunc.

void	modified ()

void	update ()

int	find_stop_at (double x, double y) const

void	move_stop (int stop_index, double offset_shift)

layout_t	get_layout () const

stop_pos_t	get_stop_position (size_t index, const layout_t &layout) const

limits_t	get_stop_limits (int index) const

Glib::RefPtr< Gdk::Cursor > const *	get_cursor (double x, double y) const

void	set_stop_cursor (Glib::RefPtr< Gdk::Cursor > const *cursor)

Private Attributes
SPGradient *	_gradient = nullptr

std::vector< stop_t >	_stops

svg_renderer	_template

svg_renderer	_tip_template

sigc::scoped_connection	_release

sigc::scoped_connection	_modified

Gdk::RGBA	_background_color

sigc::signal< void(size_t)>	_signal_stop_selected

sigc::signal< void(size_t, double)>	_signal_stop_offset_changed

sigc::signal< void(double)>	_signal_add_stop_at

sigc::signal< void(size_t)>	_signal_delete_stop

bool	_dragging = false

int	_focused_stop = -1

double	_pointer_x = 0

double	_stop_offset = 0

Glib::RefPtr< Gdk::Cursor >	_cursor_mouseover

Glib::RefPtr< Gdk::Cursor >	_cursor_dragging

Glib::RefPtr< Gdk::Cursor >	_cursor_insert

Glib::RefPtr< Gdk::Cursor > const *	_cursor_current = nullptr

double	_stop_move_increment = 0.01

Additional Inherited Members
Protected Member Functions inherited from Inkscape::UI::Widget::WidgetVfuncsClassInit
	WidgetVfuncsClassInit ()

	~WidgetVfuncsClassInit () override

Detailed Description

Definition at line 41 of file gradient-with-stops.h.

Constructor & Destructor Documentation

◆ GradientWithStops()

Inkscape::UI::Widget::GradientWithStops::GradientWithStops ( )

Definition at line 51 of file gradient-with-stops.cpp.

References _background_color, draw_func(), key, on_click_pressed(), on_click_released(), on_key_pressed(), and on_motion().

◆ ~GradientWithStops()

Inkscape::UI::Widget::GradientWithStops::~GradientWithStops ( )

overridedefault

Member Function Documentation

◆ css_changed()

void Inkscape::UI::Widget::GradientWithStops::css_changed ( GtkCssStyleChange * change )

finalprivatevirtual

Called after gtk_widget_css_changed(): when a CSS widget node is validated & style changed.

Reimplemented from Inkscape::UI::Widget::WidgetVfuncsClassInit.

Definition at line 123 of file gradient-with-stops.cpp.

References _background_color, _cursor_dragging, _cursor_insert, _cursor_mouseover, get_color_with_class(), and set_stop_cursor().

◆ draw_func()

void Inkscape::UI::Widget::GradientWithStops::draw_func	(	Cairo::RefPtr< Cairo::Context > const &	cr,
		int	width,
		int	height
	)

private

Definition at line 436 of file gradient-with-stops.cpp.

References _background_color, _focused_stop, _gradient, _stops, _template, _tip_template, Inkscape::draw_gradient(), Inkscape::Util::format_number(), gdk_to_css_color(), get_layout(), get_stop_position(), GRADIENT_IMAGE_HEIGHT, Inkscape::svg_renderer::render(), scale, and Inkscape::svg_renderer::set_style().

Referenced by GradientWithStops().

◆ find_stop_at()

int Inkscape::UI::Widget::GradientWithStops::find_stop_at	(	double	x,
		double	y
	)		const

private

Definition at line 197 of file gradient-with-stops.cpp.

References _gradient, _stops, get_layout(), and get_stop_position().

Referenced by get_cursor(), and on_click_pressed().

◆ focus()

std::optional< bool > Inkscape::UI::Widget::GradientWithStops::focus ( Gtk::DirectionType direction )

finalprivatevirtual

Called before gtk_widget_focus(): return true if moving in direction keeps focus w/in self, false if moving left focus outside widget, or nullopt for no decision & to call base vfunc.

Reimplemented from Inkscape::UI::Widget::WidgetVfuncsClassInit.

Definition at line 255 of file gradient-with-stops.cpp.

References _focused_stop, _stops, Inkscape::UI::direction(), and set_focused_stop().

◆ get_cursor()

Glib::RefPtr< Gdk::Cursor > const * Inkscape::UI::Widget::GradientWithStops::get_cursor	(	double	x,
		double	y
	)		const

private

Definition at line 405 of file gradient-with-stops.cpp.

References _cursor_insert, _cursor_mouseover, _gradient, find_stop_at(), get_stop_limits(), and index.

Referenced by on_click_released(), and on_motion().

◆ get_layout()

GradientWithStops::layout_t Inkscape::UI::Widget::GradientWithStops::get_layout ( ) const

private

Definition at line 181 of file gradient-with-stops.cpp.

References _template, Inkscape::svg_renderer::get_width_px(), Inkscape::UI::Widget::height, width, and Inkscape::UI::Widget::GradientWithStops::layout_t::x.

Referenced by draw_func(), find_stop_at(), move_stop(), on_click_pressed(), and on_motion().

◆ get_stop_limits()

GradientWithStops::limits_t Inkscape::UI::Widget::GradientWithStops::get_stop_limits ( int index ) const

private

Definition at line 215 of file gradient-with-stops.cpp.

References _gradient, _stops, index, and Inkscape::UI::Widget::GradientWithStops::limits_t::min_offset.

Referenced by get_cursor(), move_stop(), on_click_pressed(), and on_motion().

◆ get_stop_position()

GradientWithStops::stop_pos_t Inkscape::UI::Widget::GradientWithStops::get_stop_position	(	size_t	index,
		const layout_t &	layout
	)		const

private

Definition at line 139 of file gradient-with-stops.cpp.

References _gradient, _stops, _template, Inkscape::UI::Widget::dx, Inkscape::svg_renderer::get_height_px(), Inkscape::svg_renderer::get_width_px(), Inkscape::UI::Widget::GradientWithStops::layout_t::height, index, Inkscape::UI::Widget::GradientWithStops::stop_pos_t::left, offset, Inkscape::UI::Widget::GradientWithStops::layout_t::width, and Inkscape::UI::Widget::GradientWithStops::layout_t::x.

Referenced by draw_func(), and find_stop_at().

◆ modified()

void Inkscape::UI::Widget::GradientWithStops::modified ( )

private

Definition at line 99 of file gradient-with-stops.cpp.

References _gradient, _stops, SPStop::getColor(), SPGradient::getFirstStop(), SPStop::getNextStop(), SPStop::offset, Inkscape::UI::Widget::GradientWithStops::stop_t::offset, and update().

Referenced by set_gradient().

◆ move_stop()

void Inkscape::UI::Widget::GradientWithStops::move_stop	(	int	stop_index,
		double	offset_shift
	)

private

Definition at line 370 of file gradient-with-stops.cpp.

References _signal_stop_offset_changed, get_layout(), and get_stop_limits().

Referenced by on_key_pressed().

◆ on_click_pressed()

void Inkscape::UI::Widget::GradientWithStops::on_click_pressed	(	int	n_press,
		double	x,
		double	y
	)

private

Definition at line 314 of file gradient-with-stops.cpp.

References _cursor_dragging, _dragging, _gradient, _pointer_x, _signal_add_stop_at, _stop_offset, _stops, find_stop_at(), get_layout(), get_stop_limits(), index, set_focused_stop(), and set_stop_cursor().

Referenced by GradientWithStops().

◆ on_click_released()

void Inkscape::UI::Widget::GradientWithStops::on_click_released	(	int	n_press,
		double	x,
		double	y
	)

private

Definition at line 363 of file gradient-with-stops.cpp.

References _dragging, get_cursor(), and set_stop_cursor().

Referenced by GradientWithStops().

◆ on_key_pressed()

bool Inkscape::UI::Widget::GradientWithStops::on_key_pressed	(	unsigned	keyval,
		unsigned	keycode,
		Gdk::ModifierType	state
	)

private

Definition at line 284 of file gradient-with-stops.cpp.

References _focused_stop, _signal_delete_stop, _stop_move_increment, delta, Inkscape::UI::Controller::has_flag(), and move_stop().

Referenced by GradientWithStops().

◆ on_motion()

void Inkscape::UI::Widget::GradientWithStops::on_motion	(	double	x,
		double	y
	)

private

Definition at line 383 of file gradient-with-stops.cpp.

References _dragging, _focused_stop, _gradient, _pointer_x, _signal_stop_offset_changed, _stop_offset, delta, Inkscape::UI::Widget::dx, get_cursor(), get_layout(), get_stop_limits(), and set_stop_cursor().

Referenced by GradientWithStops().

◆ set_focused_stop()

void Inkscape::UI::Widget::GradientWithStops::set_focused_stop ( int index )

Definition at line 513 of file gradient-with-stops.cpp.

References _focused_stop, _signal_stop_selected, index, and update().

Referenced by focus(), on_click_pressed(), and Inkscape::UI::Widget::GradientEditor::stop_selected().

◆ set_gradient()

void Inkscape::UI::Widget::GradientWithStops::set_gradient ( SPGradient * gradient )

Definition at line 85 of file gradient-with-stops.cpp.

References _gradient, _modified, _release, SPObject::connectModified(), SPObject::connectRelease(), modified(), and set_gradient().

Referenced by Inkscape::UI::Widget::GradientEditor::set_gradient(), and set_gradient().

◆ set_stop_cursor()

void Inkscape::UI::Widget::GradientWithStops::set_stop_cursor ( Glib::RefPtr< Gdk::Cursor > const * cursor )

private

Definition at line 423 of file gradient-with-stops.cpp.

References _cursor_current.

Referenced by css_changed(), on_click_pressed(), on_click_released(), and on_motion().

◆ signal_add_stop_at()

sigc::signal< void(double)> & Inkscape::UI::Widget::GradientWithStops::signal_add_stop_at ( )

inline

Definition at line 65 of file gradient-with-stops.h.

References _signal_add_stop_at.

Referenced by Inkscape::UI::Widget::GradientEditor::GradientEditor().

◆ signal_delete_stop()

sigc::signal< void(size_t)> & Inkscape::UI::Widget::GradientWithStops::signal_delete_stop ( )

inline

Definition at line 69 of file gradient-with-stops.h.

References _signal_delete_stop.

Referenced by Inkscape::UI::Widget::GradientEditor::GradientEditor().

◆ signal_stop_offset_changed()

sigc::signal< void(size_t, double)> & Inkscape::UI::Widget::GradientWithStops::signal_stop_offset_changed ( )

inline

Definition at line 61 of file gradient-with-stops.h.

References _signal_stop_offset_changed.

Referenced by Inkscape::UI::Widget::GradientEditor::GradientEditor().

◆ signal_stop_selected()

sigc::signal< void(size_t)> & Inkscape::UI::Widget::GradientWithStops::signal_stop_selected ( )

inline

Definition at line 56 of file gradient-with-stops.h.

References _signal_stop_selected.

Referenced by Inkscape::UI::Widget::GradientEditor::GradientEditor().

◆ update()

void Inkscape::UI::Widget::GradientWithStops::update ( )

private

Definition at line 118 of file gradient-with-stops.cpp.

Referenced by modified(), and set_focused_stop().

Member Data Documentation

◆ _background_color

Gdk::RGBA Inkscape::UI::Widget::GradientWithStops::_background_color

private

Definition at line 130 of file gradient-with-stops.h.

Referenced by css_changed(), draw_func(), and GradientWithStops().

◆ _cursor_current

Glib::RefPtr<Gdk::Cursor> const* Inkscape::UI::Widget::GradientWithStops::_cursor_current = nullptr

private

Definition at line 145 of file gradient-with-stops.h.

Referenced by set_stop_cursor().

◆ _cursor_dragging

Glib::RefPtr<Gdk::Cursor> Inkscape::UI::Widget::GradientWithStops::_cursor_dragging

private

Definition at line 143 of file gradient-with-stops.h.

Referenced by css_changed(), and on_click_pressed().

◆ _cursor_insert

Glib::RefPtr<Gdk::Cursor> Inkscape::UI::Widget::GradientWithStops::_cursor_insert

private

Definition at line 144 of file gradient-with-stops.h.

Referenced by css_changed(), and get_cursor().

◆ _cursor_mouseover

Glib::RefPtr<Gdk::Cursor> Inkscape::UI::Widget::GradientWithStops::_cursor_mouseover

private

Definition at line 142 of file gradient-with-stops.h.

Referenced by css_changed(), and get_cursor().

◆ _dragging

bool Inkscape::UI::Widget::GradientWithStops::_dragging = false

private

Definition at line 135 of file gradient-with-stops.h.

Referenced by on_click_pressed(), on_click_released(), and on_motion().

◆ _focused_stop

int Inkscape::UI::Widget::GradientWithStops::_focused_stop = -1

private

Definition at line 138 of file gradient-with-stops.h.

Referenced by draw_func(), focus(), on_key_pressed(), on_motion(), and set_focused_stop().

◆ _gradient

SPGradient* Inkscape::UI::Widget::GradientWithStops::_gradient = nullptr

private

Definition at line 113 of file gradient-with-stops.h.

Referenced by draw_func(), find_stop_at(), get_cursor(), get_stop_limits(), get_stop_position(), modified(), on_click_pressed(), on_motion(), and set_gradient().

◆ _modified

sigc::scoped_connection Inkscape::UI::Widget::GradientWithStops::_modified

private

Definition at line 129 of file gradient-with-stops.h.

Referenced by set_gradient().

◆ _pointer_x

double Inkscape::UI::Widget::GradientWithStops::_pointer_x = 0

private

Definition at line 140 of file gradient-with-stops.h.

Referenced by on_click_pressed(), and on_motion().

◆ _release

sigc::scoped_connection Inkscape::UI::Widget::GradientWithStops::_release

private

Definition at line 128 of file gradient-with-stops.h.

Referenced by set_gradient().

◆ _signal_add_stop_at

sigc::signal<void (double)> Inkscape::UI::Widget::GradientWithStops::_signal_add_stop_at

private

Definition at line 133 of file gradient-with-stops.h.

Referenced by on_click_pressed(), and signal_add_stop_at().

◆ _signal_delete_stop

sigc::signal<void (size_t)> Inkscape::UI::Widget::GradientWithStops::_signal_delete_stop

private

Definition at line 134 of file gradient-with-stops.h.

Referenced by on_key_pressed(), and signal_delete_stop().

◆ _signal_stop_offset_changed

sigc::signal<void (size_t, double)> Inkscape::UI::Widget::GradientWithStops::_signal_stop_offset_changed

private

Definition at line 132 of file gradient-with-stops.h.

Referenced by move_stop(), on_motion(), and signal_stop_offset_changed().

◆ _signal_stop_selected

sigc::signal<void (size_t)> Inkscape::UI::Widget::GradientWithStops::_signal_stop_selected

private

Definition at line 131 of file gradient-with-stops.h.

Referenced by set_focused_stop(), and signal_stop_selected().

◆ _stop_move_increment

double Inkscape::UI::Widget::GradientWithStops::_stop_move_increment = 0.01

private

Definition at line 148 of file gradient-with-stops.h.

Referenced by on_key_pressed().

◆ _stop_offset

double Inkscape::UI::Widget::GradientWithStops::_stop_offset = 0

private

Definition at line 141 of file gradient-with-stops.h.

Referenced by on_click_pressed(), and on_motion().

◆ _stops

std::vector<stop_t> Inkscape::UI::Widget::GradientWithStops::_stops

private

Definition at line 120 of file gradient-with-stops.h.

Referenced by draw_func(), find_stop_at(), focus(), get_stop_limits(), get_stop_position(), modified(), and on_click_pressed().

◆ _template

svg_renderer Inkscape::UI::Widget::GradientWithStops::_template

private

Definition at line 123 of file gradient-with-stops.h.

Referenced by draw_func(), get_layout(), and get_stop_position().

◆ _tip_template

svg_renderer Inkscape::UI::Widget::GradientWithStops::_tip_template

private

Definition at line 126 of file gradient-with-stops.h.

Referenced by draw_func().

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

/builds/inkscape/inkscape/src/ui/widget/gradient-with-stops.h
/builds/inkscape/inkscape/src/ui/widget/gradient-with-stops.cpp

Classes

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GradientWithStops()

◆ ~GradientWithStops()

Member Function Documentation

◆ css_changed()

◆ draw_func()

◆ find_stop_at()

◆ focus()

◆ get_cursor()

◆ get_layout()

◆ get_stop_limits()

◆ get_stop_position()

◆ modified()

◆ move_stop()

◆ on_click_pressed()

◆ on_click_released()

◆ on_key_pressed()

◆ on_motion()

◆ set_focused_stop()

◆ set_gradient()

◆ set_stop_cursor()

◆ signal_add_stop_at()

◆ signal_delete_stop()

◆ signal_stop_offset_changed()

◆ signal_stop_selected()

◆ update()

Member Data Documentation

◆ _background_color

◆ _cursor_current

◆ _cursor_dragging

◆ _cursor_insert

◆ _cursor_mouseover

◆ _dragging

◆ _focused_stop

◆ _gradient

◆ _modified

◆ _pointer_x

◆ _release

◆ _signal_add_stop_at

◆ _signal_delete_stop

◆ _signal_stop_offset_changed

◆ _signal_stop_selected

◆ _stop_move_increment

◆ _stop_offset

◆ _stops

◆ _template

◆ _tip_template