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