gtk2_ardour/keyeditor.h

   1 /*
   2     Copyright (C) 2012 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_key_editor_h__
  21 #define __ardour_gtk_key_editor_h__
  22
  23 #include <string>
  24
  25 #include <gtkmm/buttonbox.h>
  26 #include <gtkmm/notebook.h>
  27 #include <gtkmm/scrolledwindow.h>
  28 #include <gtkmm/treeview.h>
  29 #include <gtkmm/treestore.h>
  30 #include "gtkmm2ext/searchbar.h"
  31
  32 #include "ardour_window.h"
  33
  34 namespace Gtkmm2ext {
  35         class Bindings;
  36 }
  37
  38 class KeyEditor : public ArdourWindow
  39 {
  40   public:
  41         KeyEditor ();
  42
  43         void add_tab (std::string const &name, Gtkmm2ext::Bindings&);
  44         void remove_tab (std::string const &name);
  45
  46         static sigc::signal<void> UpdateBindings;
  47
  48         void disconnect () {
  49                 _refresh_connection.disconnect ();
  50         }
  51
  52         private:
  53         class Tab : public Gtk::VBox
  54         {
  55                 public:
  56                 Tab (KeyEditor&, std::string const &name, Gtkmm2ext::Bindings*);
  57
  58                 uint32_t populate ();
  59                 void unbind ();
  60                 void bind (GdkEventKey* release_event, guint pressed_key);
  61                 void action_selected ();
  62                 void sort_column_changed ();
  63                 void tab_mapped ();
  64                 bool visible_func(const Gtk::TreeModel::const_iterator& iter) const;
  65
  66                 struct KeyEditorColumns : public Gtk::TreeModel::ColumnRecord {
  67                         KeyEditorColumns () {
  68                                 add (name);
  69                                 add (binding);
  70                                 add (path);
  71                                 add (bindable);
  72                                 add (action);
  73                         }
  74                         Gtk::TreeModelColumn<std::string> name;
  75                         Gtk::TreeModelColumn<std::string> binding;
  76                         Gtk::TreeModelColumn<std::string> path;
  77                         Gtk::TreeModelColumn<bool> bindable;
  78                         Gtk::TreeModelColumn<Glib::RefPtr<Gtk::Action> > action;
  79                 };
  80
  81                 Gtk::VBox vpacker;
  82                 /* give KeyEditor full access to these. This is just a helper
  83                    class with no special semantics
  84                 */
  85
  86                 KeyEditor& owner;
  87                 std::string name;
  88                 Gtkmm2ext::Bindings* bindings;
  89                 Gtk::ScrolledWindow scroller;
  90                 Gtk::TreeView view;
  91                 Glib::RefPtr<Gtk::TreeStore> data_model;
  92                 Glib::RefPtr<Gtk::TreeModelFilter> filter;
  93                 Glib::RefPtr<Gtk::TreeModelSort> sorted_filter;
  94                 KeyEditorColumns columns;
  95                 guint last_keyval;
  96
  97                 protected:
  98                 bool key_press_event (GdkEventKey*);
  99                 bool key_release_event (GdkEventKey*);
 100                 Gtk::TreeModel::iterator find_action_path (Gtk::TreeModel::const_iterator begin, Gtk::TreeModel::const_iterator end, const std::string& path) const;
 101         };
 102
 103         friend class Tab;
 104
 105         Gtk::VBox vpacker;
 106         Gtk::Notebook notebook;
 107         Gtk::Button unbind_button;
 108         Gtk::HButtonBox unbind_box;
 109         Gtk::HBox reset_box;
 110         Gtk::Button reset_button;
 111         Gtk::Label reset_label;
 112         Gtkmm2ext::SearchBar filter_entry;
 113         std::string filter_string;
 114         Gtk::Button print_button;
 115
 116         typedef std::vector<Tab*> Tabs;
 117
 118         Tabs tabs;
 119         Tab* current_tab();
 120
 121         void unbind ();
 122         void reset ();
 123         void refresh ();
 124         void page_change (GtkNotebookPage*, guint);
 125
 126         unsigned int sort_column;
 127         Gtk::SortType sort_type;
 128         void toggle_sort_type ();
 129         void search_string_updated (const std::string&);
 130         void print () const;
 131
 132         sigc::connection _refresh_connection;
 133 };
 134
 135 #endif /* __ardour_gtk_key_editor_h__ */