2 Copyright (C) 2002 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.
21 #ifndef __ardour_gtk_utils_h__
22 #define __ardour_gtk_utils_h__
27 #include <ardour/types.h>
28 #include <libgnomecanvasmm/line.h>
29 #include <gtkmm/action.h>
30 #include <gtkmm/radioaction.h>
31 #include <gtkmm/toggleaction.h>
32 #include <gtkmm/actiongroup.h>
33 #include <gdkmm/types.h>
42 gain_to_slider_position (ARDOUR::gain_t g)
45 return pow((6.0*log(g)/log(2.0)+192.0)/198.0, 8.0);
49 static inline ARDOUR::gain_t
50 slider_position_to_gain (double pos)
52 /* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
53 if (pos == 0.0) return 0;
54 return pow (2.0,(sqrt(sqrt(sqrt(pos)))*198.0-192.0)/6.0);
57 std::string short_version (std::string, std::string::size_type target_length);
58 std::string fit_to_pixels (std::string, int pixel_width, std::string font);
60 int atoi (const std::string&);
61 double atof (const std::string&);
62 void strip_whitespace_edges (std::string& str);
63 void url_decode (std::string&);
64 gint just_hide_it (GdkEventAny*, Gtk::Window*);
65 void allow_keyboard_focus (bool);
67 unsigned char* xpm2rgb (const char** xpm, uint32_t& w, uint32_t& h);
68 unsigned char* xpm2rgba (const char** xpm, uint32_t& w, uint32_t& h);
70 GnomeCanvasPoints* get_canvas_points (std::string who, uint32_t npoints);
72 int channel_combo_get_channel_count (Gtk::ComboBoxText& combo);
73 Pango::FontDescription get_font_for_style (std::string widgetname);
75 gint pane_handler (GdkEventButton*, Gtk::Paned*);
76 uint32_t rgba_from_style (std::string style, uint32_t, uint32_t, uint32_t, uint32_t);
78 Glib::RefPtr<Gtk::Action> register_action (Glib::RefPtr<Gtk::ActionGroup> group,
79 std::string name, std::string label);
80 Glib::RefPtr<Gtk::Action> register_action (Glib::RefPtr<Gtk::ActionGroup> group,
81 std::string name, std::string label, sigc::slot<void> sl,
82 guint key, Gdk::ModifierType mods);
83 Glib::RefPtr<Gtk::Action> register_action (Glib::RefPtr<Gtk::ActionGroup> group,
84 std::string name, std::string label, sigc::slot<void> sl);
86 Glib::RefPtr<Gtk::Action> register_radio_action (Glib::RefPtr<Gtk::ActionGroup> group, Gtk::RadioAction::Group,
87 std::string name, std::string label, sigc::slot<void> sl,
88 guint key, Gdk::ModifierType mods);
89 Glib::RefPtr<Gtk::Action> register_radio_action (Glib::RefPtr<Gtk::ActionGroup> group, Gtk::RadioAction::Group,
90 std::string name, std::string label, sigc::slot<void> sl);
92 Glib::RefPtr<Gtk::Action> register_toggle_action (Glib::RefPtr<Gtk::ActionGroup> group,
93 std::string name, std::string label, sigc::slot<void> sl,
94 guint key, Gdk::ModifierType mods);
95 Glib::RefPtr<Gtk::Action> register_toggle_action (Glib::RefPtr<Gtk::ActionGroup> group,
96 std::string name, std::string label, sigc::slot<void> sl);
98 #endif /* __ardour_gtk_utils_h__ */