gtk2_ardour/utils.h

   1 /*
   2     Copyright (C) 2002 Paul Davis
   3
   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.
   8
   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.
  13
  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.
  17
  18 */
  19
  20 #ifndef __ardour_gtk_utils_h__
  21 #define __ardour_gtk_utils_h__
  22
  23 #include <string>
  24 #include <cmath>
  25 #include <vector>
  26 #include "ardour/types.h"
  27 #include <libgnomecanvasmm/line.h>
  28 #include <gdkmm/types.h>
  29 #include <glibmm/ustring.h>
  30 #include <gtkmm/menushell.h>
  31
  32 #include "canvas.h"
  33
  34 namespace PBD {
  35         class Controllable;
  36         class ScopedConnectionList;
  37 }
  38
  39 namespace Gtk {
  40         class Window;
  41         class ComboBoxText;
  42         class Paned;
  43         class Adjustment;
  44 }
  45
  46 Glib::ustring fit_to_pixels (const Glib::ustring&, int pixel_width, Pango::FontDescription& font, int& actual_width, bool with_ellipses = false);
  47
  48 std::pair<std::string, double> fit_to_pixels (cairo_t *, std::string, double);
  49
  50 int pixel_width (const Glib::ustring& str, Pango::FontDescription& font);
  51
  52 gint   just_hide_it (GdkEventAny*, Gtk::Window*);
  53 void   allow_keyboard_focus (bool);
  54 void add_item_with_sensitivity (Gtk::Menu_Helpers::MenuList &, Gtk::Menu_Helpers::MenuElem, bool);
  55
  56 unsigned char* xpm2rgb  (const char** xpm, uint32_t& w, uint32_t& h);
  57 unsigned char* xpm2rgba (const char** xpm, uint32_t& w, uint32_t& h);
  58
  59 ArdourCanvas::Points* get_canvas_points (std::string who, uint32_t npoints);
  60
  61 Pango::FontDescription* get_font_for_style (std::string widgetname);
  62
  63 uint32_t rgba_from_style (std::string, uint32_t, uint32_t, uint32_t, uint32_t, std::string = "fg", int = Gtk::STATE_NORMAL, bool = true);
  64
  65 Gdk::Color color_from_style (std::string widget_style_name, int state, std::string attr);
  66 Glib::RefPtr<Gdk::GC> gc_from_style (std::string widget_style_name, int state, std::string attr);
  67
  68
  69 void decorate (Gtk::Window& w, Gdk::WMDecoration d);
  70
  71 bool canvas_item_visible (ArdourCanvas::Item* item);
  72
  73 void set_color (Gdk::Color&, int);
  74
  75 bool relay_key_press (GdkEventKey* ev, Gtk::Window* win);
  76 bool forward_key_press (GdkEventKey* ev);
  77 bool key_press_focus_accelerator_handler (Gtk::Window& window, GdkEventKey* ev);
  78
  79 Glib::RefPtr<Gdk::Pixbuf> get_xpm (std::string);
  80 Glib::ustring get_icon_path (const char*);
  81 Glib::RefPtr<Gdk::Pixbuf> get_icon (const char*);
  82 static std::map<std::string, Glib::RefPtr<Gdk::Pixbuf> > xpm_map;
  83 const char* const *get_xpm_data (std::string path);
  84 std::string longest (std::vector<std::string>&);
  85 bool key_is_legal_for_numeric_entry (guint keyval);
  86 void reset_dpi ();
  87 void set_pango_fontsize ();
  88
  89 inline guint8 convert_color_channel (guint8 src, guint8 alpha);
  90 void convert_bgra_to_rgba (guint8 const* src,
  91                            guint8*       dst,
  92                            int           width,
  93                            int           height);
  94
  95 Glib::RefPtr<Gdk::Pixbuf> pixbuf_from_ustring (const Glib::ustring& name,
  96                                                Pango::FontDescription* font,
  97                                                int clip_width,
  98                                                int clip_height,
  99                                                Gdk::Color);
 100
 101 void resize_window_to_proportion_of_monitor (Gtk::Window*, int, int);
 102
 103 std::string escape_underscores (std::string const &);
 104
 105 void control_link (PBD::ScopedConnectionList& scl, boost::shared_ptr<PBD::Controllable> c, Gtk::Adjustment& a);
 106
 107 #endif /* __ardour_gtk_utils_h__ */