Dogcows Code - chaz/tint2/blob - src/tint2conf/thumbview.h

   1 /*
   2
   3 This file is from Nitrogen, an X11 background setter.
   4 Copyright (C) 2006  Dave Foster & Javeed Shaikh
   5
   6 This program is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19
  20 */
  21
  22 #include <queue>
  23 #include <errno.h>
  24 #include <gtkmm.h>
  25
  26 #ifdef USE_INOTIFY
  27 //#include "Inotify.h"
  28 #endif
  29
  30 struct TreePair {
  31         Glib::ustring file;
  32         Gtk::TreeModel::iterator iter;
  33         Glib::RefPtr<Gdk::Pixbuf> thumb;
  34 };
  35
  36 class Thumbview;
  37
  38 class DelayLoadingStore : public Gtk::ListStore
  39 {
  40         public:
  41                 static Glib::RefPtr<DelayLoadingStore> create(const Gtk::TreeModelColumnRecord& columns)
  42                 {
  43                         return Glib::RefPtr<DelayLoadingStore>(new DelayLoadingStore(columns));
  44                 }
  45
  46         protected:
  47                 DelayLoadingStore() : Gtk::ListStore() {}
  48                 DelayLoadingStore(const Gtk::TreeModelColumnRecord& columns) : Gtk::ListStore(columns) {}
  49
  50         protected:
  51                 virtual void    get_value_vfunc (const iterator& iter, int column, Glib::ValueBase& value) const;
  52
  53         public:
  54                 void set_queue(GAsyncQueue *queue) { aqueue_loadthumbs = queue; }
  55                 void set_thumbview(Thumbview *view) { thumbview = view; }
  56
  57         protected:
  58                 GAsyncQueue *aqueue_loadthumbs;
  59                 Thumbview *thumbview;
  60
  61
  62 };
  63
  64 /////////////////////////////////////////////////////////////////////////////
  65
  66 /**
  67  * Column record for the Thumbview store.
  68  */
  69 class ThumbviewRecord : public Gtk::TreeModelColumnRecord
  70 {
  71     public:
  72         ThumbviewRecord()
  73         {
  74             add(Thumbnail);
  75             add(Description);
  76             add(Filename);
  77             add(Time);
  78             add(LoadingThumb);
  79             add(CurBGOnDisp);
  80         }
  81
  82                 Gtk::TreeModelColumn<Glib::ustring> Filename;
  83                 Gtk::TreeModelColumn<Glib::ustring> Description;
  84                 Gtk::TreeModelColumn< Glib::RefPtr<Gdk::Pixbuf> > Thumbnail;
  85                 Gtk::TreeModelColumn<time_t> Time;
  86                 Gtk::TreeModelColumn<bool> LoadingThumb;
  87         Gtk::TreeModelColumn<Glib::ustring> CurBGOnDisp;
  88 };
  89
  90
  91 /////////////////////////////////////////////////////////////////////////////
  92
  93 class Thumbview : public Gtk::ScrolledWindow {
  94         public:
  95                 Thumbview ();
  96                 ~Thumbview ();
  97
  98                 typedef enum {
  99                         SORT_ALPHA,
 100                         SORT_RALPHA,
 101                         SORT_TIME,
 102                         SORT_RTIME
 103                 } SortMode;
 104
 105                 void set_dir(std::string indir) { this->dir = indir; }
 106
 107                 Glib::RefPtr<DelayLoadingStore> store;
 108                 Gtk::TreeView view;
 109         ThumbviewRecord record;
 110
 111                 // dispatcher
 112                 Glib::Dispatcher dispatch_thumb;
 113
 114                 // thread/idle funcs
 115                 void load_cache_images();
 116                 void create_cache_images();
 117                 void load_dir(std::string dir = "");
 118
 119                 void set_sort_mode (SortMode mode);
 120                 // search compare function
 121                 bool search_compare (const Glib::RefPtr<Gtk::TreeModel>& model, int column, const Glib::ustring& key, const Gtk::TreeModel::iterator& iter);
 122
 123                 // loading image
 124                 Glib::RefPtr<Gdk::Pixbuf> loading_image;
 125
 126         // "cache" of config - maps displays to full filenames
 127         std::map<Glib::ustring, Glib::ustring> map_setbgs;
 128         void load_map_setbgs();
 129
 130         protected:
 131
 132 #ifdef USE_INOTIFY
 133                 void file_deleted_callback(std::string filename);
 134                 void file_changed_callback(std::string filename);
 135                 void file_created_callback(std::string filename);
 136                 std::map<std::string, Inotify::Watch*> watches;
 137 #endif
 138
 139                 void add_file(std::string filename);
 140                 void handle_dispatch_thumb();
 141
 142                 Gtk::TreeViewColumn *col_thumb;
 143                 Gtk::TreeViewColumn *col_desc;
 144
 145                 Gtk::CellRendererPixbuf rend_img;
 146                 Gtk::CellRendererText rend;
 147
 148                 // utility functions
 149                 bool is_image(std::string file);
 150                 Glib::ustring cache_file(Glib::ustring file);
 151                 void update_thumbnail(Glib::ustring file, Gtk::TreeModel::iterator iter, Glib::RefPtr<Gdk::Pixbuf> pb);
 152
 153                 // base dir
 154                 // TODO: remove when we get a proper db
 155                 std::string dir;
 156
 157                 // load thumbnail queue
 158                 GAsyncQueue* aqueue_loadthumbs;
 159                 GAsyncQueue* aqueue_createthumbs;
 160                 GAsyncQueue* aqueue_donethumbs;
 161
 162 };