/* 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 #include #include #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, IconRenderCallback = 0x100, }; typedef void (* rendercallback_t) (cairo_t*, int, int, uint32_t, void*); 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_icon (rendercallback_t, void*); void set_corner_radius (float); void set_text (const std::string&, bool markup = false); const std::string& get_text () { return _text; } bool get_markup () const { return _markup; } 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 signal_led_clicked; sigc::signal signal_clicked; boost::shared_ptr get_controllable() { return binding_proxy.get_controllable(); } void set_controllable (boost::shared_ptr c); void watch (); void set_related_action (Glib::RefPtr); bool on_button_press_event (GdkEventButton*); bool on_button_release_event (GdkEventButton*); void set_image (const Glib::RefPtr&); 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&); 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 _layout; Glib::RefPtr _pixbuf; std::string _text; std::string _sizing_text; bool _markup; Element _elements; Gtkmm2ext::ArdourIcon::Icon _icon; rendercallback_t _icon_render_cb; void* _icon_render_cb_data; Tweaks _tweaks; BindingProxy binding_proxy; void set_text_internal (); 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__ */