play with some tint2conf code

git-svn-id: http://tint2.googlecode.com/svn/trunk@146 121b4492-b84c-0410-8b4c-0d4edfb3f3cc
This commit is contained in:
lorthiois@bbsoft.fr 2009-07-14 16:52:19 +00:00
parent b025cacc88
commit 3926a0026c
6 changed files with 1033 additions and 0 deletions

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2009-07-14
- play with some tint2conf code
2009-07-04
- fixed 'defunct' process after fork

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src/tint2conf/main.cpp Normal file
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/**************************************************************************
*
* 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;
}

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src/tint2conf/mainwin.cpp Normal file
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#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();
}

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#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

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src/tint2conf/thumbview.cpp Normal file
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/*
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

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src/tint2conf/thumbview.h Normal file
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/*
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;
};