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
  31 #include "widgets/searchbar.h"
  32
  33 #include "ardour_window.h"
  34
  35 namespace Gtkmm2ext {
  36         class Bindings;
  37 }
  38
  39 class KeyEditor : public ArdourWindow
  40 {
  41 public:
  42         KeyEditor ();
  43
  44         void add_tab (std::string const &name, Gtkmm2ext::Bindings&);
  45         void remove_tab (std::string const &name);
  46
  47         static sigc::signal<void> UpdateBindings;
  48
  49         void disconnect () {
  50                 _refresh_connection.disconnect ();
  51         }
  52
  53 private:
  54         class Tab : public Gtk::VBox
  55         {
  56         public:
  57                 Tab (KeyEditor&, std::string const &name, Gtkmm2ext::Bindings*);
  58
  59                 uint32_t populate ();
  60                 void unbind ();
  61                 void bind (GdkEventKey* release_event, guint pressed_key);
  62                 void action_selected ();
  63                 void sort_column_changed ();
  64                 void tab_mapped ();
  65                 bool visible_func(const Gtk::TreeModel::const_iterator& iter) const;
  66
  67                 struct KeyEditorColumns : public Gtk::TreeModel::ColumnRecord {
  68                         KeyEditorColumns () {
  69                                 add (name);
  70                                 add (binding);
  71                                 add (path);
  72                                 add (bindable);
  73                                 add (action);
  74                         }
  75                         Gtk::TreeModelColumn<std::string> name;
  76                         Gtk::TreeModelColumn<std::string> binding;
  77                         Gtk::TreeModelColumn<std::string> path;
  78                         Gtk::TreeModelColumn<bool> bindable;
  79                         Gtk::TreeModelColumn<Glib::RefPtr<Gtk::Action> > action;
  80                 };
  81
  82                 Gtk::VBox vpacker;
  83                 /* give KeyEditor full access to these. This is just a helper
  84                  * class with no special semantics
  85                  */
  86
  87                 KeyEditor& owner;
  88                 std::string name;
  89                 Gtkmm2ext::Bindings* bindings;
  90                 Gtk::ScrolledWindow scroller;
  91                 Gtk::TreeView view;
  92                 Glib::RefPtr<Gtk::TreeStore> data_model;
  93                 Glib::RefPtr<Gtk::TreeModelFilter> filter;
  94                 Glib::RefPtr<Gtk::TreeModelSort> sorted_filter;
  95                 KeyEditorColumns columns;
  96                 guint last_keyval;
  97
  98         protected:
  99                 bool key_press_event (GdkEventKey*);
 100                 bool key_release_event (GdkEventKey*);
 101                 Gtk::TreeModel::iterator find_action_path (Gtk::TreeModel::const_iterator begin, Gtk::TreeModel::const_iterator end, const std::string& path) const;
 102         };
 103
 104         friend class Tab;
 105
 106         Gtk::VBox vpacker;
 107         Gtk::Notebook notebook;
 108         Gtk::Button unbind_button;
 109         Gtk::HButtonBox unbind_box;
 110         Gtk::HBox reset_box;
 111         Gtk::Button reset_button;
 112         Gtk::Label reset_label;
 113         ArdourWidgets::SearchBar filter_entry;
 114         std::string filter_string;
 115         Gtk::Button print_button;
 116         Gtk::Label print_label;
 117
 118         typedef std::vector<Tab*> Tabs;
 119
 120         Tabs tabs;
 121         Tab* current_tab();
 122
 123         void unbind ();
 124         void reset ();
 125         void refresh ();
 126         void page_change (GtkNotebookPage*, guint);
 127
 128         unsigned int sort_column;
 129         Gtk::SortType sort_type;
 130         void toggle_sort_type ();
 131         void search_string_updated (const std::string&);
 132         void print () const;
 133
 134         sigc::connection _refresh_connection;
 135 };
 136
 137 #endif /* __ardour_gtk_key_editor_h__ */