2 Copyright (C) 1999 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __audio_clock_h__
21 #define __audio_clock_h__
28 #include <gtkmm/alignment.h>
29 #include <gtkmm/box.h>
30 #include <gtkmm/menu.h>
31 #include <gtkmm/label.h>
33 #include "ardour/ardour.h"
34 #include "ardour/session_handle.h"
36 #include "gtkmm2ext/cairo_widget.h"
42 class AudioClock : public CairoWidget, public ARDOUR::SessionHandlePtr
52 AudioClock (const std::string& clock_name, bool is_transient, const std::string& widget_name,
53 bool editable, bool follows_playhead, bool duration = false, bool with_info = false,
54 bool accept_on_focus_out = false);
57 Mode mode() const { return _mode; }
58 void set_off (bool yn);
59 bool off() const { return _off; }
60 void set_widget_name (const std::string& name);
61 void set_active_state (Gtkmm2ext::ActiveState s);
62 void set_editable (bool yn);
63 void set_corner_radius (double);
67 void set (framepos_t, bool force = false, ARDOUR::framecnt_t offset = 0);
68 void set_from_playhead ();
71 void set_bbt_reference (framepos_t);
72 void set_is_duration (bool);
74 void copy_text_to_clipboard () const;
76 std::string name() const { return _name; }
78 framepos_t current_time (framepos_t position = 0) const;
79 framepos_t current_duration (framepos_t position = 0) const;
80 void set_session (ARDOUR::Session *s);
81 void set_negative_allowed (bool yn);
83 /** Alter cairo scaling during rendering.
85 * Used by clocks that resize themselves
86 * to fit any given space. Can lead
89 void set_scale (double x, double y);
91 static void print_minsec (framepos_t, char* buf, size_t bufsize, float frame_rate);
93 sigc::signal<void> ValueChanged;
94 sigc::signal<void> mode_changed;
95 sigc::signal<void> ChangeAborted;
97 static sigc::signal<void> ModeChanged;
98 static std::vector<AudioClock*> clocks;
101 void render (cairo_t*, cairo_rectangle_t*);
102 bool get_is_duration () const { return is_duration; } ;
104 virtual void build_ops_menu ();
107 bool on_button_press_event (GdkEventButton *ev);
108 bool on_button_release_event(GdkEventButton *ev);
109 bool is_lower_layout_click(int y) const {
110 return y > upper_height + separator_height;
112 bool is_right_layout_click(int x) const {
113 return x > x_leading_padding + get_left_rect_width() + separator_height;
115 double get_left_rect_width() const {
116 return round (((get_width() - separator_height) * mode_based_info_ratio) + 0.5);
124 /** true if this clock follows the playhead, meaning that certain operations are redundant */
125 bool _follows_playhead;
126 bool _accept_on_focus_out;
129 bool _edit_by_click_field;
130 bool _negative_allowed;
131 bool edit_is_negative;
133 Glib::RefPtr<Pango::Layout> _layout;
134 Glib::RefPtr<Pango::Layout> _left_layout;
135 Glib::RefPtr<Pango::Layout> _right_layout;
137 Pango::AttrColor* editing_attr;
138 Pango::AttrColor* foreground_attr;
140 Pango::AttrList normal_attributes;
141 Pango::AttrList editing_attributes;
142 Pango::AttrList info_attributes;
146 bool style_resets_first;
151 double mode_based_info_ratio;
152 double corner_radius;
155 static const double info_font_scale_factor;
156 static const double separator_height;
157 static const double x_leading_padding;
174 Field index_to_field (int index) const;
176 /* this maps the number of input characters/digits when editing
177 to a cursor position. insert_map[N] = index of character/digit
178 where the cursor should be after N chars/digits. it is
179 mode specific and so it is filled during set_mode().
182 std::vector<int> insert_map;
185 std::string edit_string;
186 std::string pre_edit_string;
187 std::string input_string;
189 framepos_t bbt_reference_time;
190 framepos_t last_when;
201 bool on_key_press_event (GdkEventKey *);
202 bool on_key_release_event (GdkEventKey *);
203 bool on_scroll_event (GdkEventScroll *ev);
204 void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
205 void on_size_request (Gtk::Requisition* req);
206 bool on_motion_notify_event (GdkEventMotion *ev);
207 void on_size_allocate (Gtk::Allocation&);
208 bool on_focus_out_event (GdkEventFocus*);
210 void set_slave_info ();
211 void set_timecode (framepos_t, bool);
212 void set_bbt (framepos_t, bool);
213 void set_minsec (framepos_t, bool);
214 void set_frames (framepos_t, bool);
216 void set_clock_dimensions (Gtk::Requisition&);
218 framepos_t get_frame_step (Field, framepos_t pos = 0, int dir = 1);
220 bool timecode_validate_edit (const std::string&);
221 bool bbt_validate_edit (const std::string&);
222 bool minsec_validate_edit (const std::string&);
224 framepos_t frames_from_timecode_string (const std::string&) const;
225 framepos_t frames_from_bbt_string (framepos_t, const std::string&) const;
226 framepos_t frame_duration_from_bbt_string (framepos_t, const std::string&) const;
227 framepos_t frames_from_minsec_string (const std::string&) const;
228 framepos_t frames_from_audioframes_string (const std::string&) const;
230 void session_configuration_changed (std::string);
231 void session_property_changed (const PBD::PropertyChange&);
233 Field index_to_field () const;
235 void start_edit (Field f = Field (0));
236 void end_edit (bool);
237 void end_edit_relative (bool);
238 void edit_next_field ();
239 ARDOUR::framecnt_t parse_as_distance (const std::string&);
241 ARDOUR::framecnt_t parse_as_timecode_distance (const std::string&);
242 ARDOUR::framecnt_t parse_as_minsec_distance (const std::string&);
243 ARDOUR::framecnt_t parse_as_bbt_distance (const std::string&);
244 ARDOUR::framecnt_t parse_as_frames_distance (const std::string&);
246 void set_font (Pango::FontDescription);
248 void show_edit_status (int length);
249 int merge_input_and_edit_string ();
250 std::string get_field (Field);
255 double bg_r, bg_g, bg_b, bg_a;
256 double cursor_r, cursor_g, cursor_b, cursor_a;
262 #endif /* __audio_clock_h__ */