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/*
Copyright (C) 2010 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __gtk2_ardour_ardour_button_h__
#define __gtk2_ardour_ardour_button_h__
#include <list>
#include <stdint.h>
#include <gtkmm/action.h>
#include "pbd/signals.h"
#include "gtkmm2ext/ardour_icon.h"
#include "gtkmm2ext/binding_proxy.h"
#include "gtkmm2ext/activatable.h"
#include "gtkmm2ext/cairo_widget.h"
class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
{
public:
enum Element {
Edge = 0x1,
Body = 0x2,
Text = 0x4,
Indicator = 0x8,
unused = 0x10,
Menu = 0x20,
Inactive = 0x40, // no _action is defined AND state is not used
VectorIcon = 0x80, // tentative, see commit message
};
static Element default_elements;
static Element led_default_elements;
static Element just_led_default_elements;
ArdourButton (Element e = default_elements);
ArdourButton (const std::string&, Element e = default_elements);
virtual ~ArdourButton ();
enum Tweaks {
Square = 0x1,
TrackHeader = 0x2,
OccasionalText = 0x4,
unused4 = 0x8,
};
Tweaks tweaks() const { return _tweaks; }
void set_tweaks (Tweaks);
void set_active_state (Gtkmm2ext::ActiveState);
void set_visual_state (Gtkmm2ext::VisualState);
void set_custom_led_color (const uint32_t c, const bool useit = true);
void set_act_on_release (bool onRelease) { _act_on_release = onRelease; }
Element elements() const { return _elements; }
void set_elements (Element);
void add_elements (Element);
Gtkmm2ext::ArdourIcon::Icon icon() const { return _icon; }
void set_icon (Gtkmm2ext::ArdourIcon::Icon);
void set_corner_radius (float);
void set_text (const std::string&);
const std::string& get_text () {return _text;}
void set_angle (const double);
void set_alignment (const float, const float);
void get_alignment (float& xa, float& ya) {xa = _xalign; ya = _yalign;};
void set_led_left (bool yn);
void set_distinct_led_click (bool yn);
void set_layout_ellipsize_width (int w);
void set_layout_font (const Pango::FontDescription&);
void set_text_ellipsize (Pango::EllipsizeMode);
/* Sets the text used for size request computation. Pass an
* empty string to return to the default behavior which uses
* the currently displayed text for measurement. */
void set_sizing_text (const std::string&);
const std::string& get_sizing_text () {return _sizing_text;}
sigc::signal<void, GdkEventButton*> signal_led_clicked;
sigc::signal<void> signal_clicked;
boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
void set_controllable (boost::shared_ptr<PBD::Controllable> c);
void watch ();
void set_related_action (Glib::RefPtr<Gtk::Action>);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event (GdkEventButton*);
void set_image (const Glib::RefPtr<Gdk::Pixbuf>&);
void set_fixed_colors (const uint32_t active_color, const uint32_t inactive_color);
void set_active_color (const uint32_t active_color);
void set_inactive_color (const uint32_t inactive_color);
void set_fallthrough_to_parent(bool fall) { _fallthrough_to_parent = fall; }
unsigned int char_pixel_width() { if (_char_pixel_width < 1) recalc_char_pixel_geometry() ; return _char_pixel_width; }
unsigned int char_pixel_height() { if (_char_pixel_height < 1) recalc_char_pixel_geometry() ; return _char_pixel_height; }
float char_avg_pixel_width() { if (_char_pixel_width < 1) recalc_char_pixel_geometry() ; return _char_avg_pixel_width; }
protected:
void render (cairo_t *, cairo_rectangle_t *);
void on_size_request (Gtk::Requisition* req);
void on_size_allocate (Gtk::Allocation&);
void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
void on_name_changed ();
void on_realize ();
bool on_enter_notify_event (GdkEventCrossing*);
bool on_leave_notify_event (GdkEventCrossing*);
bool on_grab_broken_event(GdkEventGrabBroken*);
bool on_focus_in_event (GdkEventFocus*);
bool on_focus_out_event (GdkEventFocus*);
bool on_key_release_event (GdkEventKey *);
void controllable_changed ();
PBD::ScopedConnection watch_connection;
protected:
Glib::RefPtr<Pango::Layout> _layout;
Glib::RefPtr<Gdk::Pixbuf> _pixbuf;
std::string _text;
std::string _sizing_text;
Element _elements;
Gtkmm2ext::ArdourIcon::Icon _icon;
Tweaks _tweaks;
BindingProxy binding_proxy;
void recalc_char_pixel_geometry ();
unsigned int _char_pixel_width;
unsigned int _char_pixel_height;
float _char_avg_pixel_width;
int _text_width;
int _text_height;
float _diameter;
float _corner_radius;
int _corner_mask;
double _angle;
float _xalign, _yalign;
uint32_t fill_inactive_color;
uint32_t fill_active_color;
uint32_t text_active_color;
uint32_t text_inactive_color;
uint32_t led_active_color;
uint32_t led_inactive_color;
uint32_t led_custom_color;
bool use_custom_led_color;
cairo_pattern_t* convex_pattern;
cairo_pattern_t* concave_pattern;
cairo_pattern_t* led_inset_pattern;
cairo_rectangle_t* _led_rect;
bool _act_on_release;
bool _led_left;
bool _distinct_led_click;
bool _hovering;
bool _focused;
int _fixed_colors_set;
bool _fallthrough_to_parent;
int _layout_ellipsize_width;
Pango::EllipsizeMode _ellipsis;
bool _update_colors;
int _pattern_height;
void setup_led_rect ();
void set_colors ();
void color_handler ();
void build_patterns ();
void ensure_layout ();
void action_toggled ();
void action_sensitivity_changed ();
void action_visibility_changed ();
void action_tooltip_changed ();
};
#endif /* __gtk2_ardour_ardour_button_h__ */
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