106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/*
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Copyright (C) 2002 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_gtk_utils_h__
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#define __ardour_gtk_utils_h__
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#include <string>
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#include <cmath>
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#include <vector>
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#include <ardour/types.h>
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#include <libgnomecanvasmm/line.h>
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#include <gdkmm/types.h>
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#include "canvas.h"
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#include "public_editor.h"
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namespace Gtk {
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class Window;
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class ComboBoxText;
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class Paned;
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}
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static inline double
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gain_to_slider_position (ARDOUR::gain_t g)
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{
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if (g == 0) return 0;
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return pow((6.0*log(g)/log(2.0)+192.0)/198.0, 8.0);
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}
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static inline ARDOUR::gain_t
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slider_position_to_gain (double pos)
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{
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/* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
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if (pos == 0.0) return 0;
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return pow (2.0,(sqrt(sqrt(sqrt(pos)))*198.0-192.0)/6.0);
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}
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std::string fit_to_pixels (const std::string&, int pixel_width, Pango::FontDescription& font, int& actual_width, bool with_ellipses = false);
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int pixel_width (const std::string& str, Pango::FontDescription& font);
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gint just_hide_it (GdkEventAny*, Gtk::Window*);
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void allow_keyboard_focus (bool);
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unsigned char* xpm2rgb (const char** xpm, uint32_t& w, uint32_t& h);
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unsigned char* xpm2rgba (const char** xpm, uint32_t& w, uint32_t& h);
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ArdourCanvas::Points* get_canvas_points (std::string who, uint32_t npoints);
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Pango::FontDescription* get_font_for_style (std::string widgetname);
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uint32_t rgba_from_style (std::string, uint32_t, uint32_t, uint32_t, uint32_t, std::string = "fg", int = Gtk::STATE_NORMAL, bool = true);
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Gdk::Color color_from_style (std::string widget_style_name, int state, std::string attr);
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void decorate (Gtk::Window& w, Gdk::WMDecoration d);
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bool canvas_item_visible (ArdourCanvas::Item* item);
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void set_color (Gdk::Color&, int);
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bool relay_key_press (GdkEventKey*, Gtk::Window*);
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bool key_press_focus_accelerator_handler (Gtk::Window& window, GdkEventKey* ev);
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bool possibly_translate_keyval_to_make_legal_accelerator (uint32_t& keyval);
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Glib::RefPtr<Gdk::Pixbuf> get_xpm (std::string);
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Glib::RefPtr<Gdk::Pixbuf> get_icon (const char*);
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static std::map<std::string, Glib::RefPtr<Gdk::Pixbuf> > xpm_map;
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const char* const *get_xpm_data (std::string path);
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std::string longest (std::vector<std::string>&);
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bool key_is_legal_for_numeric_entry (guint keyval);
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void reset_dpi ();
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void set_pango_fontsize ();
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inline guint8 convert_color_channel (guint8 src, guint8 alpha);
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void convert_bgra_to_rgba (guint8 const* src,
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guint8* dst,
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int width,
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int height);
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Glib::RefPtr<Gdk::Pixbuf> pixbuf_from_string (const std::string& name,
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Pango::FontDescription* font,
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uint32_t rgba,
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int clip_width,
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int clip_height);
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int physical_screen_height (Glib::RefPtr<Gdk::Window>);
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int physical_screen_width (Glib::RefPtr<Gdk::Window>);
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#endif /* __ardour_gtk_utils_h__ */
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