Gtkmm2ext::PixFader Class Reference

#include <pixfader.h>

Inheritance diagram for Gtkmm2ext::PixFader:

Classes
struct	FaderImage

Public Types
enum	Tweaks { NoShowUnityLine = 0x1, NoButtonForward = 0x2, NoVerticalScroll = 0x4 }

Public Member Functions
	PixFader (Gtk::Adjustment &adjustment, int orientation, int span, int girth)
virtual	~PixFader ()
void	set_default_value (float)
void	set_text (const std::string &, bool centered=true, bool expose=true)
Tweaks	tweaks () const
void	set_tweaks (Tweaks)
Public Member Functions inherited from CairoWidget
	CairoWidget ()
virtual	~CairoWidget ()
void	set_dirty ()
Gtkmm2ext::ActiveState	active_state () const
Gtkmm2ext::VisualState	visual_state () const
virtual void	set_active_state (Gtkmm2ext::ActiveState)
virtual void	set_visual_state (Gtkmm2ext::VisualState)
void	unset_active_state ()
void	unset_visual_state ()
void	set_active (bool)
bool	get_active ()
void	set_draw_background (bool yn)

Public Attributes
sigc::signal< void >	StartGesture
sigc::signal< void >	StopGesture
sigc::signal< void >	OnExpose
Public Attributes inherited from CairoWidget
sigc::signal< void >	StateChanged

Protected Types
enum	Orientation { VERT, HORIZ }

Protected Member Functions
void	on_size_request (GtkRequisition *)
void	on_size_allocate (Gtk::Allocation &alloc)
void	render (cairo_t *, cairo_rectangle_t *)
bool	on_button_press_event (GdkEventButton *)
bool	on_button_release_event (GdkEventButton *)
bool	on_motion_notify_event (GdkEventMotion *)
bool	on_scroll_event (GdkEventScroll *ev)
bool	on_enter_notify_event (GdkEventCrossing *ev)
bool	on_leave_notify_event (GdkEventCrossing *ev)
void	on_state_changed (Gtk::StateType)
void	on_style_changed (const Glib::RefPtr< Gtk::Style > &)
Protected Member Functions inherited from CairoWidget
virtual bool	on_expose_event (GdkEventExpose *)
void	on_size_allocate (Gtk::Allocation &)
void	on_state_changed (Gtk::StateType)
void	on_style_changed (const Glib::RefPtr< Gtk::Style > &)
bool	on_button_press_event (GdkEventButton *)
Gdk::Color	get_parent_bg ()
virtual void	on_name_changed ()

Private Member Functions
Gdk::Color	get_parent_bg ()
void	create_patterns ()
void	adjustment_changed ()
void	set_adjustment_from_event (GdkEventButton *)
void	update_unity_position ()
int	display_span ()

Static Private Member Functions
static cairo_pattern_t *	find_pattern (double afr, double afg, double afb, double abr, double abg, double abb, int w, int h)

Private Attributes
Glib::RefPtr< Pango::Layout >	_layout
std::string	_text
Tweaks	_tweaks
Gtk::Adjustment &	_adjustment
int	_text_width
int	_text_height
int	_span
int	_girth
int	_min_span
int	_min_girth
int	_orien
cairo_pattern_t *	_pattern
bool	_hovering
GdkWindow *	_grab_window
double	_grab_loc
double	_grab_start
bool	_dragging
float	_default_value
int	_unity_loc
bool	_centered_text
sigc::connection	_parent_style_change
Widget *	_current_parent

Static Private Attributes
static std::list< FaderImage * >	_patterns

Additional Inherited Members
Static Public Member Functions inherited from CairoWidget
static void	provide_background_for_cairo_widget (Gtk::Widget &w, const Gdk::Color &bg)
static void	set_flat_buttons (bool yn)
static bool	flat_buttons ()
static void	set_widget_prelight (bool yn)
static bool	widget_prelight ()
static void	set_source_rgb_a (cairo_t *cr, Gdk::Color, float a=1.0)
static void	set_focus_handler (sigc::slot< void >)
Protected Attributes inherited from CairoWidget
Gtkmm2ext::ActiveState	_active_state
Gtkmm2ext::VisualState	_visual_state
bool	_need_bg
bool	_grabbed
Static Protected Attributes inherited from CairoWidget
static bool	_flat_buttons = false
static bool	_widget_prelight = true
static sigc::slot< void >	focus_handler

Detailed Description

Definition at line 34 of file pixfader.h.

Member Enumeration Documentation

enum Gtkmm2ext::PixFader::Orientation

protected

Enumerator
VERT
HORIZ

Definition at line 71 of file pixfader.h.

enum Gtkmm2ext::PixFader::Tweaks

Enumerator
NoShowUnityLine
NoButtonForward
NoVerticalScroll

Definition at line 47 of file pixfader.h.

Constructor & Destructor Documentation

PixFader::PixFader	(	Gtk::Adjustment &	adjustment,
		int	orientation,
		int	span,
		int	girth
	)

Definition at line 43 of file pixfader.cc.

PixFader::~PixFader ( )

virtual

Definition at line 82 of file pixfader.cc.

Member Function Documentation

void PixFader::adjustment_changed ( )

private

Definition at line 559 of file pixfader.cc.

void PixFader::create_patterns ( )

private

Definition at line 102 of file pixfader.cc.

int PixFader::display_span ( )

private

Returns

pixel offset of the current value from the right or bottom of the fader

Definition at line 566 of file pixfader.cc.

cairo_pattern_t * PixFader::find_pattern ( double  afr, double  afg, double  afb, double  abr, double  abg, double  abb, int  w, int  h  )

staticprivate

Definition at line 89 of file pixfader.cc.

Gdk::Color PixFader::get_parent_bg ( )

private

Definition at line 698 of file pixfader.cc.

bool PixFader::on_button_press_event ( GdkEventButton *  ev )

protected

Definition at line 369 of file pixfader.cc.

bool PixFader::on_button_release_event ( GdkEventButton *  ev )

protected

Definition at line 403 of file pixfader.cc.

bool PixFader::on_enter_notify_event ( GdkEventCrossing *  ev )

protected

Definition at line 598 of file pixfader.cc.

bool PixFader::on_leave_notify_event ( GdkEventCrossing *  ev )

protected

Definition at line 609 of file pixfader.cc.

bool PixFader::on_motion_notify_event ( GdkEventMotion *  ev )

protected

Definition at line 516 of file pixfader.cc.

bool PixFader::on_scroll_event ( GdkEventScroll *  ev )

protected

Definition at line 463 of file pixfader.cc.

void PixFader::on_size_allocate ( Gtk::Allocation &  alloc )

protected

Definition at line 348 of file pixfader.cc.

void PixFader::on_size_request ( GtkRequisition *  req )

protected

Definition at line 336 of file pixfader.cc.

void PixFader::on_state_changed ( Gtk::StateType  old_state )

protected

Definition at line 675 of file pixfader.cc.

void PixFader::on_style_changed ( const Glib::RefPtr< Gtk::Style > &  )

protected

Definition at line 683 of file pixfader.cc.

void PixFader::render ( cairo_t *  cr, cairo_rectangle_t *  area  )

protectedvirtual

Implements CairoWidget.

Definition at line 199 of file pixfader.cc.

void PixFader::set_adjustment_from_event ( GdkEventButton *  ev )

private

Definition at line 622 of file pixfader.cc.

void PixFader::set_default_value

(

float

d

)

Definition at line 635 of file pixfader.cc.

void PixFader::set_text	(	const std::string &	str,
		bool	centered = true,
		bool	expose = true
	)

Definition at line 655 of file pixfader.cc.

void PixFader::set_tweaks

(

Tweaks

t

)

Definition at line 642 of file pixfader.cc.

Tweaks Gtkmm2ext::PixFader::tweaks ( ) const

inline

Definition at line 53 of file pixfader.h.

void PixFader::update_unity_position ( )

private

Definition at line 584 of file pixfader.cc.

Member Data Documentation

Gtk::Adjustment& Gtkmm2ext::PixFader::_adjustment

private

Definition at line 81 of file pixfader.h.

bool Gtkmm2ext::PixFader::_centered_text

private

Definition at line 96 of file pixfader.h.

Widget* Gtkmm2ext::PixFader::_current_parent

private

Definition at line 99 of file pixfader.h.

float Gtkmm2ext::PixFader::_default_value

private

Definition at line 94 of file pixfader.h.

bool Gtkmm2ext::PixFader::_dragging

private

Definition at line 93 of file pixfader.h.

int Gtkmm2ext::PixFader::_girth

private

Definition at line 85 of file pixfader.h.

double Gtkmm2ext::PixFader::_grab_loc

private

Definition at line 91 of file pixfader.h.

double Gtkmm2ext::PixFader::_grab_start

private

Definition at line 92 of file pixfader.h.

GdkWindow* Gtkmm2ext::PixFader::_grab_window

private

Definition at line 90 of file pixfader.h.

bool Gtkmm2ext::PixFader::_hovering

private

Definition at line 89 of file pixfader.h.

Glib::RefPtr<Pango::Layout> Gtkmm2ext::PixFader::_layout

private

Definition at line 78 of file pixfader.h.

int Gtkmm2ext::PixFader::_min_girth

private

Definition at line 86 of file pixfader.h.

int Gtkmm2ext::PixFader::_min_span

private

Definition at line 86 of file pixfader.h.

int Gtkmm2ext::PixFader::_orien

private

Definition at line 87 of file pixfader.h.

sigc::connection Gtkmm2ext::PixFader::_parent_style_change

private

Definition at line 98 of file pixfader.h.

cairo_pattern_t* Gtkmm2ext::PixFader::_pattern

private

Definition at line 88 of file pixfader.h.

std::list< PixFader::FaderImage * > PixFader::_patterns

staticprivate

Definition at line 148 of file pixfader.h.

int Gtkmm2ext::PixFader::_span

private

Definition at line 85 of file pixfader.h.

std::string Gtkmm2ext::PixFader::_text

private

Definition at line 79 of file pixfader.h.

int Gtkmm2ext::PixFader::_text_height

private

Definition at line 83 of file pixfader.h.

int Gtkmm2ext::PixFader::_text_width

private

Definition at line 82 of file pixfader.h.

Tweaks Gtkmm2ext::PixFader::_tweaks

private

Definition at line 80 of file pixfader.h.

int Gtkmm2ext::PixFader::_unity_loc

private

Definition at line 95 of file pixfader.h.

sigc::signal<void> Gtkmm2ext::PixFader::OnExpose

Definition at line 42 of file pixfader.h.

sigc::signal<void> Gtkmm2ext::PixFader::StartGesture

Definition at line 40 of file pixfader.h.

sigc::signal<void> Gtkmm2ext::PixFader::StopGesture

Definition at line 41 of file pixfader.h.

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

• /usr/local/music/src/ardour/4.0/libs/gtkmm2ext/gtkmm2ext/pixfader.h
• /usr/local/music/src/ardour/4.0/libs/gtkmm2ext/pixfader.cc