]> Dogcows Code - chaz/tint2/commitdiff
play with some tint2conf code
authorThierry Lorthiois <lorthiois@bbsoft.fr>
Tue, 14 Jul 2009 16:52:19 +0000 (16:52 +0000)
committerThierry Lorthiois <lorthiois@bbsoft.fr>
Tue, 14 Jul 2009 16:52:19 +0000 (16:52 +0000)
ChangeLog
src/tint2conf/main.cpp [new file with mode: 0644]
src/tint2conf/mainwin.cpp [new file with mode: 0644]
src/tint2conf/mainwin.h [new file with mode: 0644]
src/tint2conf/thumbview.cpp [new file with mode: 0644]
src/tint2conf/thumbview.h [new file with mode: 0644]

index def751b731dcf6d18af92f00cf95154d7e245baa..5d674ec3f42b4b2a557ecc8cf7b936f7e1164f31 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+2009-07-14
+- play with some tint2conf code
+
 2009-07-04
 - fixed 'defunct' process after fork
 
diff --git a/src/tint2conf/main.cpp b/src/tint2conf/main.cpp
new file mode 100644 (file)
index 0000000..cd2c961
--- /dev/null
@@ -0,0 +1,54 @@
+/**************************************************************************
+*
+* Tint2conf
+*
+* Copyright (C) 2009 Thierry lorthiois (lorthiois@bbsoft.fr)
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License version 2
+* as published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**************************************************************************/
+
+#include <string>
+#include <stdio.h>
+#include <gtkmm.h>
+#include <glib.h>
+
+#include "mainwin.h"
+
+
+// g++ `pkg-config --libs --cflags gtkmm-2.4 --libs gthread-2.0` -o tint2conf main.cpp mainwin.cpp thumbview.cpp
+
+int main (int argc, char ** argv)
+{
+       // set up i18n
+       //bindtextdomain(PACKAGE, LOCALEDIR);
+       //bind_textdomain_codeset(PACKAGE, "UTF-8");
+       //textdomain(PACKAGE);
+
+       Gtk::Main kit(argc, argv);
+       Glib::thread_init();
+
+       MainWin window;
+
+       window.view.set_dir("");
+       window.view.load_dir();
+
+       // rig up idle/thread routines
+       Glib::Thread::create(sigc::mem_fun(window.view, &Thumbview::load_cache_images), true);
+       Glib::Thread::create(sigc::mem_fun(window.view, &Thumbview::create_cache_images), true);
+
+       //Shows the window and returns when it is closed.
+       Gtk::Main::run(window);
+
+       return 0;
+}
+
diff --git a/src/tint2conf/mainwin.cpp b/src/tint2conf/mainwin.cpp
new file mode 100644 (file)
index 0000000..999ff03
--- /dev/null
@@ -0,0 +1,140 @@
+
+#include <gtkmm/stock.h>
+#include <iostream>
+#include "mainwin.h"
+
+
+MainWin::MainWin()
+{
+       set_title("Tint2 config");
+       set_default_size(600, 350);
+
+       add(m_Box); // put a MenuBar at the top of the box and other stuff below it.
+
+       //Create actions for menus and toolbars:
+       m_refActionGroup = Gtk::ActionGroup::create();
+
+       //File menu:
+       m_refActionGroup->add(Gtk::Action::create("FileMenu", "File"));
+       //Sub-menu.
+       m_refActionGroup->add(Gtk::Action::create("FileOpen", Gtk::Stock::OPEN, "_Open", "Open config file"), sigc::mem_fun(*this, &MainWin::on_menu_file_new_generic));
+       m_refActionGroup->add(Gtk::Action::create("FileSaveAs", Gtk::Stock::SAVE_AS, "_Save As", "Save config as"), sigc::mem_fun(*this, &MainWin::on_menu_file_new_generic));
+       m_refActionGroup->add(Gtk::Action::create("FileRefreshAll", Gtk::Stock::REFRESH, "_Refresh all", "Refresh all config file"), sigc::mem_fun(*this, &MainWin::on_menu_file_new_generic));
+       m_refActionGroup->add(Gtk::Action::create("FileQuit", Gtk::Stock::QUIT), sigc::mem_fun(*this, &MainWin::on_menu_file_quit));
+
+       //Edit menu:
+       m_refActionGroup->add(Gtk::Action::create("EditMenu", "Edit"));
+       m_refActionGroup->add(Gtk::Action::create("EditProperties", Gtk::Stock::PROPERTIES, "_Properties...", "Show properties"), sigc::mem_fun(*this, &MainWin::on_menu_others));
+       m_refActionGroup->add(Gtk::Action::create("EditRename", "_Rename...", "Rename current config"), sigc::mem_fun(*this, &MainWin::on_menu_others));
+       m_refActionGroup->add(Gtk::Action::create("EditDelete", Gtk::Stock::DELETE), sigc::mem_fun(*this, &MainWin::on_menu_others));
+       m_refActionGroup->add(Gtk::Action::create("EditApply", Gtk::Stock::APPLY, "_Apply", "Apply current config"), sigc::mem_fun(*this, &MainWin::on_menu_others));
+       m_refActionGroup->add(Gtk::Action::create("EditRefresh", Gtk::Stock::REFRESH), sigc::mem_fun(*this, &MainWin::on_menu_others));
+
+       //Help menu:
+       m_refActionGroup->add( Gtk::Action::create("HelpMenu", "Help") );
+       m_refActionGroup->add( Gtk::Action::create("About", Gtk::Stock::ABOUT), sigc::mem_fun(*this, &MainWin::on_menu_about) );
+
+       m_refUIManager = Gtk::UIManager::create();
+       m_refUIManager->insert_action_group(m_refActionGroup);
+
+       add_accel_group(m_refUIManager->get_accel_group());
+
+       //Layout the actions in a menubar and toolbar:
+       Glib::ustring ui_info =
+        "<ui>"
+        "  <menubar name='MenuBar'>"
+        "    <menu action='FileMenu'>"
+        "      <menuitem action='FileOpen'/>"
+        "      <menuitem action='FileSaveAs'/>"
+        "      <separator/>"
+        "      <menuitem action='FileRefreshAll'/>"
+        "      <separator/>"
+        "      <menuitem action='FileQuit'/>"
+        "    </menu>"
+        "    <menu action='EditMenu'>"
+        "      <menuitem action='EditProperties'/>"
+        "      <menuitem action='EditRename'/>"
+        "      <separator/>"
+        "      <menuitem action='EditDelete'/>"
+        "      <separator/>"
+        "      <menuitem action='EditRefresh'/>"
+        "    </menu>"
+        "    <menu action='HelpMenu'>"
+        "      <menuitem action='About'/>"
+        "    </menu>"
+        "  </menubar>"
+        "  <toolbar  name='ToolBar'>"
+        "    <toolitem action='FileRefreshAll'/>"
+        "    <separator/>"
+        "    <toolitem action='EditProperties'/>"
+        "    <toolitem action='EditApply'/>"
+        "  </toolbar>"
+        "</ui>";
+
+       #ifdef GLIBMM_EXCEPTIONS_ENABLED
+       try
+       {
+               m_refUIManager->add_ui_from_string(ui_info);
+       }
+       catch(const Glib::Error& ex)
+       {
+               std::cerr << "building menus failed: " <<  ex.what();
+       }
+       #else
+       std::auto_ptr<Glib::Error> ex;
+       m_refUIManager->add_ui_from_string(ui_info, ex);
+       if(ex.get())
+       {
+               std::cerr << "building menus failed: " <<  ex->what();
+       }
+       #endif //GLIBMM_EXCEPTIONS_ENABLED
+
+  //Get the menubar and toolbar widgets, and add them to a container widget:
+  Gtk::Widget* pMenubar = m_refUIManager->get_widget("/MenuBar");
+  if(pMenubar)
+               m_Box.pack_start(*pMenubar, Gtk::PACK_SHRINK);
+
+  Gtk::Widget* pToolbar = m_refUIManager->get_widget("/ToolBar") ;
+  if(pToolbar)
+               m_Box.pack_start(*pToolbar, Gtk::PACK_SHRINK);
+
+
+       m_Box.add(view);
+
+       show_all_children();
+}
+
+MainWin::~MainWin()
+{
+}
+
+
+void MainWin::on_menu_file_quit()
+{
+       hide();
+}
+
+
+void MainWin::on_menu_file_new_generic()
+{
+       std::cout << "A File|New menu item was selected." << std::endl;
+}
+
+
+void MainWin::on_menu_others()
+{
+       std::cout << "A menu item was selected." << std::endl;
+}
+
+
+void MainWin::on_menu_about()
+{
+       Glib::ustring message = "tint2conf " + Glib::ustring(VERSION);
+       Gtk::MessageDialog dialog(*this, message);
+
+       dialog.set_title("About tint2conf");
+       dialog.set_secondary_text("Config tool for tint2.\n\nCopyright (C) 2009 Thierry lorthiois.    \nRefer to source code from Nitrogen\nby Dave Foster & Javeed Shaikh.");
+
+       dialog.run();
+}
+
diff --git a/src/tint2conf/mainwin.h b/src/tint2conf/mainwin.h
new file mode 100644 (file)
index 0000000..5cd87ac
--- /dev/null
@@ -0,0 +1,33 @@
+#ifndef TINT2CONF_MAINWIN_H
+#define TINT2CONF_MAINWIN_H
+
+#include <gtkmm.h>
+#include "thumbview.h"
+
+#define VERSION "0.2"
+
+
+class MainWin : public Gtk::Window
+{
+public:
+  MainWin();
+  virtual ~MainWin();
+
+       Thumbview view;
+protected:
+  //Signal handlers:
+  void on_menu_file_new_generic();
+  void on_menu_file_quit();
+  void on_menu_others();
+  void on_menu_about();
+
+  //Child widgets:
+  Gtk::VBox m_Box;
+
+  Glib::RefPtr<Gtk::UIManager> m_refUIManager;
+  Glib::RefPtr<Gtk::ActionGroup> m_refActionGroup;
+  Glib::RefPtr<Gtk::RadioAction> m_refChoiceOne, m_refChoiceTwo;
+};
+
+#endif
+
diff --git a/src/tint2conf/thumbview.cpp b/src/tint2conf/thumbview.cpp
new file mode 100644 (file)
index 0000000..43b49be
--- /dev/null
@@ -0,0 +1,641 @@
+/*
+
+This file is from Nitrogen, an X11 background setter.
+Copyright (C) 2006  Dave Foster & Javeed Shaikh
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+*/
+
+//#include "md5.h"
+#include <glib/gstdio.h>
+#include <png.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <iostream>
+#include "thumbview.h"
+//#include "Config.h"
+//#include "Util.h"
+//#include "gcs-i18n.h"
+
+/**
+ * Returns the last modified time of a file.
+ * @param file The name of the file to get the modified time for.
+ */
+static time_t get_file_mtime(std::string file) {
+       struct stat buf;
+       if (stat(file.c_str(), &buf) == -1) return 0; // error
+       return buf.st_mtime;
+}
+
+/**
+ * Returns the value of the "tEXt::Thumb::MTime" key for fd.o style thumbs.
+ * @param pixbuf The pixbuf of the fd.o thumbnail.
+ */
+static time_t get_fdo_thumbnail_mtime(Glib::RefPtr<Gdk::Pixbuf> pixbuf) {
+       std::string mtime_str = pixbuf->get_option("tEXt::Thumb::MTime");
+       std::stringstream stream(mtime_str);
+       time_t mtime = 0;
+       stream >> mtime;
+       return mtime;
+}
+
+void DelayLoadingStore::get_value_vfunc (const iterator& iter, int column, Glib::ValueBase& value) const
+{
+       g_async_queue_ref(aqueue_loadthumbs);
+       Gtk::ListStore::get_value_vfunc(iter, column, value);
+
+       Gtk::TreeModel::Row row = *iter;
+       if (column == 0)
+       {
+               Glib::Value< Glib::RefPtr<Gdk::Pixbuf> > base;
+               Gtk::ListStore::get_value_vfunc(iter, column, base);
+
+               Glib::RefPtr<Gdk::Pixbuf> thumb = base.get();
+
+               if (thumb == thumbview->loading_image && !row[thumbview->record.LoadingThumb])
+               {
+                       TreePair* tp = new TreePair();
+                       tp->file = row[thumbview->record.Filename];
+                       tp->iter = iter;
+
+                       row[thumbview->record.LoadingThumb] = true;
+
+                       //Util::program_log("Custom model: planning on loading %s\n", tp->file.c_str());
+
+                       g_async_queue_push(aqueue_loadthumbs, (gpointer)tp);
+               }
+       }
+       g_async_queue_unref(aqueue_loadthumbs);
+}
+
+/**
+ * Constructor, sets up gtk stuff, inits data and queues
+ */
+Thumbview::Thumbview() : dir("") {
+       set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
+       set_shadow_type (Gtk::SHADOW_IN);
+
+    // load map of setbgs (need this for add_file)
+    load_map_setbgs();
+
+       // make our async queues
+       this->aqueue_loadthumbs = g_async_queue_new();
+       this->aqueue_createthumbs = g_async_queue_new();
+       this->aqueue_donethumbs = g_async_queue_new();
+
+       // create store
+       store = DelayLoadingStore::create (record);
+       store->set_queue(aqueue_loadthumbs);
+       store->set_thumbview(this);
+
+       // setup view
+       view.set_model (store);
+       view.set_headers_visible (FALSE);
+       view.set_fixed_height_mode (TRUE);
+       view.set_rules_hint (TRUE);
+
+       // set cell renderer proprties
+       rend.property_ellipsize () = Pango::ELLIPSIZE_END;
+       rend.set_property ("ellipsize", Pango::ELLIPSIZE_END);
+       rend.property_weight () = Pango::WEIGHT_BOLD;
+
+       rend_img.set_fixed_size(105, 82);
+
+       // make treeviewcolumns
+       this->col_thumb = new Gtk::TreeViewColumn("thumbnail", this->rend_img);
+       this->col_desc = new Gtk::TreeViewColumn("description", this->rend);
+
+       col_thumb->add_attribute (rend_img, "pixbuf", record.Thumbnail);
+       col_thumb->set_sizing(Gtk::TREE_VIEW_COLUMN_FIXED);
+       col_thumb->set_fixed_width(105);
+       col_desc->add_attribute (rend, "markup", record.Description);
+       col_desc->set_sort_column (record.Filename);
+       col_desc->set_sort_indicator (true);
+       col_desc->set_sort_order (Gtk::SORT_ASCENDING);
+       col_desc->set_sizing(Gtk::TREE_VIEW_COLUMN_FIXED);
+
+       view.append_column (*col_thumb);
+       view.append_column (*col_desc);
+
+       // enable search
+       view.set_search_column (record.Description);
+       view.set_search_equal_func (sigc::mem_fun (this, &Thumbview::search_compare));
+
+       // load loading image, which not all themes seem to provide
+       try {
+               this->loading_image = Gtk::IconTheme::get_default()->load_icon("image-loading", 64, Gtk::ICON_LOOKUP_FORCE_SVG);
+       } catch (Gtk::IconThemeError e) {}
+
+       // init dispatcher
+       this->dispatch_thumb.connect(sigc::mem_fun(this, &Thumbview::handle_dispatch_thumb));
+
+       col_desc->set_expand ();
+
+       add (view);
+
+       view.show ();
+       show ();
+}
+
+/**
+ * Destructor
+ */
+Thumbview::~Thumbview() {
+       g_async_queue_unref(this->aqueue_loadthumbs);
+       g_async_queue_unref(this->aqueue_createthumbs);
+       g_async_queue_unref(this->aqueue_donethumbs);
+}
+
+/**
+ * Adds the given file to the tree view and pushes it onto the thumbnail
+ * creation queue.
+ *
+ * @param filename The name of the file to add.
+ *
+ */
+void Thumbview::add_file(std::string filename) {
+    Gtk::Window *window = dynamic_cast<Gtk::Window*>(get_toplevel());
+       Gtk::TreeModel::iterator iter = this->store->append ();
+       Gtk::TreeModel::Row row = *iter;
+       Glib::RefPtr<Gdk::Pixbuf> thumb = this->loading_image;
+       row[record.Thumbnail] = thumb;
+       row[record.Filename] = filename;
+       row[record.Description] = Glib::ustring(filename, filename.rfind ("/")+1);
+
+    for (std::map<Glib::ustring, Glib::ustring>::iterator i = map_setbgs.begin(); i!=map_setbgs.end(); i++)
+    {
+        if (filename == (*i).second)
+        {
+            row[record.CurBGOnDisp] = (*i).first;
+//            row[record.Description] = Util::make_current_set_string(window, filename, (*i).first);
+        }
+    }
+
+       // for modified time
+       row[record.Time] = get_file_mtime(filename);
+
+//     Util::program_log("add_file(): Adding file %s\n", filename.c_str());
+
+       // push it on the thumb queue
+//     TreePair *tp = new TreePair();
+//     tp->file = filename;
+//     tp->iter = iter;
+
+//     queue_thumbs.push(tp);
+}
+
+
+/**
+ * Opens the internal directory and starts reading files into the async queue.
+ */
+void Thumbview::load_dir(std::string dir) {
+       if (!dir.length()) dir = this->dir;
+
+       std::queue<Glib::ustring> subdirs;
+       Glib::Dir *dirhandle;
+
+       // push the initial dir back onto subdirs
+       subdirs.push(dir);
+
+       // loop it
+       while ( ! subdirs.empty() ) {
+
+               // pop first
+               Glib::ustring curdir = subdirs.front();
+               subdirs.pop();
+
+               try {
+                       dirhandle = new Glib::Dir(curdir);
+//                     Util::program_log("load_dir(): Opening dir %s\n", curdir.c_str());
+
+               } catch (Glib::FileError e) {
+                       std::cerr << "Could not open dir" << " " << this->dir << ": " << e.what() << "\n";
+                       continue;
+               }
+
+#ifdef USE_INOTIFY
+
+               // check if we're already monitoring this dir.
+               if (watches.find(curdir) == watches.end()) {
+                       // this dir was successfully opened. monitor it for changes with inotify.
+                       // the Watch will be cleaned up automatically if the dir is deleted.
+                       Inotify::Watch * watch = Inotify::Watch::create(curdir);
+                       if (watch) {
+                               // no error occurred.
+
+                               // emitted when a file is deleted in this dir.
+                               watch->signal_deleted.connect(sigc::mem_fun(this,
+                                       &Thumbview::file_deleted_callback));
+                               // emitted when a file is modified or created in this dir.
+                               watch->signal_write_closed.connect(sigc::mem_fun(this,
+                                       &Thumbview::file_changed_callback));
+                               // two signals that are emitted when a file is renamed in this dir.
+                               // the best way to handle this IMO is to remove the file upon receiving
+                               // 'moved_from', and then to add the file upon receiving 'moved_to'.
+                               watch->signal_moved_from.connect(sigc::mem_fun(this,
+                                       &Thumbview::file_deleted_callback));
+                               watch->signal_moved_to.connect(sigc::mem_fun(this,
+                                       &Thumbview::file_changed_callback));
+                               watch->signal_created.connect(sigc::mem_fun(this,
+                                       &Thumbview::file_created_callback));
+
+                               watches[curdir] = watch;
+                       }
+               }
+
+#endif
+
+               for (Glib::Dir::iterator i = dirhandle->begin(); i != dirhandle->end(); i++) {
+                       Glib::ustring fullstr = curdir + Glib::ustring("/");
+                       try {
+                               fullstr += /*Glib::filename_to_utf8(*/*i;//);
+                       } catch (Glib::ConvertError& error) {
+                               std::cerr << "Invalid UTF-8 encountered. Skipping file" << " " << *i << std::endl;
+                               continue;
+                       }
+
+                       if ( Glib::file_test(fullstr, Glib::FILE_TEST_IS_DIR) )
+                       {
+//                             if ( Config::get_instance()->get_recurse() )
+//                                     subdirs.push(fullstr);
+                       }
+                       else {
+                               if ( this->is_image(fullstr) ) {
+                                       add_file(fullstr);
+                               }
+                       }
+               }
+
+               delete dirhandle;
+       }
+}
+
+/**
+ * Tests the file to see if it is an image
+ * TODO: come up with less sux way of doing it than extension
+ *
+ * @param      file    The filename to test
+ * @return                     If its an image or not
+ */
+bool Thumbview::is_image(std::string file) {
+       if (file.find (".jpg")  != std::string::npos ||
+               file.find (".JPG")  != std::string::npos ||
+               file.find (".jpeg") != std::string::npos ||
+               file.find (".JPEG") != std::string::npos )
+               return true;
+
+       return false;
+}
+
+/**
+ * Determines the full path to a cache file.  Does all creation of dirs.
+ * TODO: should throw exception if we cannot create the dirs!
+ *
+ * @param      file    The file to convert, calls cache_name on it
+ * @return                     The full path to
+ */
+Glib::ustring Thumbview::cache_file(Glib::ustring file) {
+
+       Glib::ustring urifile = Glib::filename_to_uri(file);
+/*
+       // compute md5 of file's uri
+       md5_state_t state;
+       md5_byte_t digest[16];
+       md5_init(&state);
+       md5_append(&state, (const md5_byte_t *)urifile.c_str(), strlen(urifile.c_str()));
+       md5_finish(&state, digest);
+
+       char *buf = new char[3];
+       char *full = new char[33];
+       full[0] = '\0';
+
+       for (int di = 0; di < 16; ++di) {
+               sprintf(buf, "%02x", digest[di]);
+               strcat(full, buf);
+       }
+
+       Glib::ustring md5file = Glib::ustring(full) + Glib::ustring(".png");
+       delete [] buf;
+       delete [] full;
+
+       // build dir paths
+       Glib::ustring halfref = Glib::build_filename(Glib::get_home_dir(),".thumbnails/");
+       halfref = Glib::build_filename(halfref, "normal/");
+
+       if ( !Glib::file_test(halfref, Glib::FILE_TEST_EXISTS) )
+               if ( g_mkdir_with_parents(halfref.c_str(), 0700) == -1)
+                       // TODO: exception
+                       return "FAIL";
+
+       // add and return
+       return Glib::build_filename(halfref, md5file);
+*/
+       return urifile;
+}
+
+/**
+ * Creates cache images that show up in its queue.
+ */
+void Thumbview::load_cache_images()
+{
+       g_async_queue_ref(this->aqueue_loadthumbs);
+       g_async_queue_ref(this->aqueue_donethumbs);
+
+       while(1)
+       {
+               // remove first item (blocks until an item occurs)
+               TreePair *p = (TreePair*)g_async_queue_pop(this->aqueue_loadthumbs);
+
+               Glib::ustring file = p->file;
+               Glib::ustring cachefile = this->cache_file(file);
+
+               // branch to see if we need to load or create cache file
+               if ( !Glib::file_test(cachefile, Glib::FILE_TEST_EXISTS) ) {
+                       g_async_queue_push(this->aqueue_createthumbs,(gpointer)p);
+               } else {
+                       // load thumb
+                       Glib::RefPtr<Gdk::Pixbuf> pb = Gdk::Pixbuf::create_from_file(this->cache_file(file));
+
+                       // resize if we need to
+                       if (pb->get_width() > 100 || pb->get_height() > 80)
+                       {
+                               int pbwidth = pb->get_width();
+                               int pbheight = pb->get_height();
+                               float ratio = (float)pbwidth / (float)pbheight;
+
+                               int newwidth, newheight;
+
+                               if (abs(100 - pbwidth) > abs(80 - pbheight))
+                               {
+                                       // cap to vertical
+                                       newheight = 80;
+                                       newwidth = newheight * ratio;
+                               }
+                               else
+                               {
+                                       // cap to horiz
+                                       newwidth = 100;
+                                       newheight = newwidth / ratio;
+                               }
+
+                               pb = pb->scale_simple(newwidth, newheight, Gdk::INTERP_NEAREST);
+                       }
+
+                       if (get_fdo_thumbnail_mtime(pb) < get_file_mtime(file)) {
+                               // the thumbnail is old. we need to make a new one.
+                               pb.clear();
+                               g_async_queue_push(this->aqueue_createthumbs,(gpointer)p);
+                       } else {
+                               // display it
+                               TreePair *sendp = new TreePair();
+                               sendp->file = file;
+                               sendp->iter = p->iter;
+                               sendp->thumb = pb;
+
+                               g_async_queue_push(this->aqueue_donethumbs, (gpointer)sendp);
+
+                               this->dispatch_thumb.emit();
+
+                               delete p;
+                       }
+               }
+       }
+
+       g_async_queue_unref(this->aqueue_loadthumbs);
+       g_async_queue_unref(this->aqueue_donethumbs);
+       throw Glib::Thread::Exit();
+}
+
+/**
+ * Thread function to create thumbnail cache images for those that do not exist.
+ */
+void Thumbview::create_cache_images()
+{
+       Glib::RefPtr<Gdk::Pixbuf> thumb;
+
+       g_async_queue_ref(this->aqueue_createthumbs);
+       g_async_queue_ref(this->aqueue_donethumbs);
+
+       // always work!
+       while (1) {
+
+               // remove first item (blocks when no items occur)
+               TreePair *p = (TreePair*)g_async_queue_pop(this->aqueue_createthumbs);
+
+               // get filenames
+               Glib::ustring file = p->file;
+               Glib::ustring cachefile = this->cache_file(file);
+
+//             Util::program_log("create_cache_images(): Caching file %s\n", file.c_str());
+
+               // open image
+               try {
+                       thumb = Gdk::Pixbuf::create_from_file(file);
+               } catch (...) {
+                       // forget it, move on
+                       delete p;
+                       continue;
+               }
+
+               // eliminate zero heights (due to really tiny images :/)
+               int height = (int)(100*((float)thumb->get_height()/(float)thumb->get_width()));
+               if (!height) height = 1;
+
+               // create thumb
+               thumb = thumb->scale_simple(100, height, Gdk::INTERP_TILES);
+
+               // create required fd.o png tags
+               std::list<Glib::ustring> opts, vals;
+               opts.push_back(Glib::ustring("tEXt::Thumb::URI"));
+               vals.push_back(Glib::filename_to_uri(file));
+
+               time_t mtime = get_file_mtime(file);
+
+               char *bufout = new char[20];
+               sprintf(bufout, "%d", mtime);
+
+               opts.push_back(Glib::ustring("tEXt::Thumb::MTime"));
+               vals.push_back(Glib::ustring(bufout));
+
+               delete [] bufout;
+
+               thumb->save(cachefile, "png", opts, vals);
+
+               // send it to the display
+               TreePair *sendp = new TreePair();
+               sendp->file = file;
+               sendp->iter = p->iter;
+               sendp->thumb = thumb;
+               g_async_queue_push(this->aqueue_donethumbs, (gpointer)sendp);
+
+               // emit dispatcher
+               this->dispatch_thumb.emit();
+
+               delete p;
+       }
+
+       g_async_queue_unref(this->aqueue_createthumbs);
+       g_async_queue_unref(this->aqueue_donethumbs);
+       throw Glib::Thread::Exit();
+}
+
+void Thumbview::handle_dispatch_thumb() {
+       g_async_queue_ref(this->aqueue_donethumbs);
+
+       TreePair *donep = (TreePair*)g_async_queue_pop(this->aqueue_donethumbs);
+       this->update_thumbnail(donep->file, donep->iter, donep->thumb);
+       delete donep;
+
+       g_async_queue_unref(this->aqueue_donethumbs);
+}
+
+/**
+ * Updates the treeview to show the passed in thumbnail.
+ *
+ */
+void Thumbview::update_thumbnail(Glib::ustring file, Gtk::TreeModel::iterator iter, Glib::RefPtr<Gdk::Pixbuf> pb)
+{
+       Gtk::TreeModel::Row row = *iter;
+       row[record.Thumbnail] = pb;
+       // desc
+       //row[record.Description] = Glib::ustring(file, file.rfind("/")+1);
+
+       // emit a changed signal
+       store->row_changed(store->get_path(iter), iter);
+}
+
+/**
+ * Used by GTK to see whether or not an iterator matches a search string.
+ */
+bool Thumbview::search_compare (const Glib::RefPtr<Gtk::TreeModel>& model, int column, const Glib::ustring& key, const Gtk::TreeModel::iterator& iter) {
+       Glib::ustring target = (*iter)[record.Description];
+       if (target.find (key) != Glib::ustring::npos) {
+               return false;
+       }
+       return true;
+}
+
+/**
+ * Sets the sort mode. This tells the view how it should sort backgrounds.
+ */
+void Thumbview::set_sort_mode (Thumbview::SortMode mode) {
+       switch (mode) {
+               case SORT_ALPHA:
+                       store->set_sort_column (record.Description, Gtk::SORT_ASCENDING);
+                       break;
+               case SORT_RALPHA:
+                       store->set_sort_column (record.Description, Gtk::SORT_DESCENDING);
+                       break;
+               case SORT_TIME:
+                       store->set_sort_column (record.Time, Gtk::SORT_ASCENDING);
+                       break;
+               case SORT_RTIME:
+                       store->set_sort_column (record.Time, Gtk::SORT_DESCENDING);
+                       break;
+       }
+}
+
+/**
+ * Loads the map of displays and their set bgs. Used to indicate which
+ * files are currently set as a background.
+ */
+void Thumbview::load_map_setbgs()
+{
+    map_setbgs.clear();
+
+    std::vector<Glib::ustring> vecgroups;
+    bool ret = false;
+//    bool ret = Config::get_instance()->get_bg_groups(vecgroups);
+    if (!ret)
+        return;
+
+    for (std::vector<Glib::ustring>::iterator i = vecgroups.begin(); i!=vecgroups.end(); i++)
+    {
+        Glib::ustring file;
+//        SetBG::SetMode mode;
+        Gdk::Color bgcolor;
+
+//        ret = Config::get_instance()->get_bg(*i, file, mode, bgcolor);
+        if (!ret)
+        {
+            std::cerr << "(load_map_setbgs) Could not get background stored info for " << *i << "\n";
+            return;
+        }
+
+        map_setbgs[*i] = file;
+    }
+}
+
+#ifdef USE_INOTIFY
+
+/**
+ * Called when a file in a directory being monitored by inotify is deleted.
+ * Removes the file from the tree view.
+ *
+ * @param filename The name of the file to remove.
+ */
+void Thumbview::file_deleted_callback(std::string filename) {
+       if (watches.find(filename) != watches.end()) {
+               watches.erase(filename);
+               return;
+       }
+       Gtk::TreeIter iter;
+       Gtk::TreeModel::Children children = store->children();
+       for (iter = children.begin(); iter != children.end(); iter++) {
+               Glib::ustring this_filename = (*iter)[record.Filename];
+               if (this_filename == filename) {
+                       // remove this iter.
+                       store->erase(iter);
+                       break;
+               }
+       }
+}
+
+/**
+ * Called when a file in a directory being monitored by inotify is modified
+ * or a new file is created. Adds the file to the tree view.
+ *
+ * @param filename The name of the file modified or created.
+ */
+void Thumbview::file_changed_callback(std::string filename) {
+       // first remove the old instance of this file.
+       file_deleted_callback(filename);
+       if ( Glib::file_test(filename, Glib::FILE_TEST_IS_DIR) ) {
+               // this is a directory; use load_dir() to set us up the bomb.
+               load_dir(filename);
+       } else if (is_image(filename)) {
+               // this is a file.
+               add_file(filename);
+       }
+       // restart the idle function
+       //Glib::signal_idle().connect(sigc::mem_fun(this, &Thumbview::load_cache_images));
+}
+
+/**
+ * Called when a new file or directory is created in a directory being
+ * monitored. Discards the event for non-directories, because
+ * file_changed_callback will be called for those.
+ *
+ * @param filename The name of the file modified or created.
+ */
+void Thumbview::file_created_callback(std::string filename) {
+       if ( Glib::file_test(filename, Glib::FILE_TEST_IS_DIR) ) {
+               file_changed_callback(filename);
+       }
+}
+
+#endif
diff --git a/src/tint2conf/thumbview.h b/src/tint2conf/thumbview.h
new file mode 100644 (file)
index 0000000..2110239
--- /dev/null
@@ -0,0 +1,162 @@
+/*
+
+This file is from Nitrogen, an X11 background setter.
+Copyright (C) 2006  Dave Foster & Javeed Shaikh
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+*/
+
+#include <queue>
+#include <errno.h>
+#include <gtkmm.h>
+
+#ifdef USE_INOTIFY
+//#include "Inotify.h"
+#endif
+
+struct TreePair {
+       Glib::ustring file;
+       Gtk::TreeModel::iterator iter;
+       Glib::RefPtr<Gdk::Pixbuf> thumb;
+};
+
+class Thumbview;
+
+class DelayLoadingStore : public Gtk::ListStore
+{
+       public:
+               static Glib::RefPtr<DelayLoadingStore> create(const Gtk::TreeModelColumnRecord& columns)
+               {
+                       return Glib::RefPtr<DelayLoadingStore>(new DelayLoadingStore(columns));
+               }
+
+       protected:
+               DelayLoadingStore() : Gtk::ListStore() {}
+               DelayLoadingStore(const Gtk::TreeModelColumnRecord& columns) : Gtk::ListStore(columns) {}
+
+       protected:
+               virtual void    get_value_vfunc (const iterator& iter, int column, Glib::ValueBase& value) const;
+
+       public:
+               void set_queue(GAsyncQueue *queue) { aqueue_loadthumbs = queue; }
+               void set_thumbview(Thumbview *view) { thumbview = view; }
+
+       protected:
+               GAsyncQueue *aqueue_loadthumbs;
+               Thumbview *thumbview;
+
+
+};
+
+/////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Column record for the Thumbview store.
+ */
+class ThumbviewRecord : public Gtk::TreeModelColumnRecord
+{
+    public:
+        ThumbviewRecord()
+        {
+            add(Thumbnail);
+            add(Description);
+            add(Filename);
+            add(Time);
+            add(LoadingThumb);
+            add(CurBGOnDisp);
+        }
+
+               Gtk::TreeModelColumn<Glib::ustring> Filename;
+               Gtk::TreeModelColumn<Glib::ustring> Description;
+               Gtk::TreeModelColumn< Glib::RefPtr<Gdk::Pixbuf> > Thumbnail;
+               Gtk::TreeModelColumn<time_t> Time;
+               Gtk::TreeModelColumn<bool> LoadingThumb;
+        Gtk::TreeModelColumn<Glib::ustring> CurBGOnDisp;
+};
+
+
+/////////////////////////////////////////////////////////////////////////////
+
+class Thumbview : public Gtk::ScrolledWindow {
+       public:
+               Thumbview ();
+               ~Thumbview ();
+
+               typedef enum {
+                       SORT_ALPHA,
+                       SORT_RALPHA,
+                       SORT_TIME,
+                       SORT_RTIME
+               } SortMode;
+
+               void set_dir(std::string indir) { this->dir = indir; }
+
+               Glib::RefPtr<DelayLoadingStore> store;
+               Gtk::TreeView view;
+        ThumbviewRecord record;
+
+               // dispatcher
+               Glib::Dispatcher dispatch_thumb;
+
+               // thread/idle funcs
+               void load_cache_images();
+               void create_cache_images();
+               void load_dir(std::string dir = "");
+
+               void set_sort_mode (SortMode mode);
+               // search compare function
+               bool search_compare (const Glib::RefPtr<Gtk::TreeModel>& model, int column, const Glib::ustring& key, const Gtk::TreeModel::iterator& iter);
+
+               // loading image
+               Glib::RefPtr<Gdk::Pixbuf> loading_image;
+
+        // "cache" of config - maps displays to full filenames
+        std::map<Glib::ustring, Glib::ustring> map_setbgs;
+        void load_map_setbgs();
+
+       protected:
+
+#ifdef USE_INOTIFY
+               void file_deleted_callback(std::string filename);
+               void file_changed_callback(std::string filename);
+               void file_created_callback(std::string filename);
+               std::map<std::string, Inotify::Watch*> watches;
+#endif
+
+               void add_file(std::string filename);
+               void handle_dispatch_thumb();
+
+               Gtk::TreeViewColumn *col_thumb;
+               Gtk::TreeViewColumn *col_desc;
+
+               Gtk::CellRendererPixbuf rend_img;
+               Gtk::CellRendererText rend;
+
+               // utility functions
+               bool is_image(std::string file);
+               Glib::ustring cache_file(Glib::ustring file);
+               void update_thumbnail(Glib::ustring file, Gtk::TreeModel::iterator iter, Glib::RefPtr<Gdk::Pixbuf> pb);
+
+               // base dir
+               // TODO: remove when we get a proper db
+               std::string dir;
+
+               // load thumbnail queue
+               GAsyncQueue* aqueue_loadthumbs;
+               GAsyncQueue* aqueue_createthumbs;
+               GAsyncQueue* aqueue_donethumbs;
+
+};
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