Theme.cc // Theme.cc for FbTk - Fluxbox ToolKit // Copyright (c) 2002 - 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // $Id: Theme.cc,v 1.25 2004/01/12 20:24:06 fluxgen Exp $ #include "Theme.hh" #include "XrmDatabaseHelper.hh" #include "App.hh" #include "StringUtil.hh" #include "ThemeItems.hh" #include "Directory.hh" #include <cstdio> #include <memory> #include <iostream> using namespace std; namespace FbTk { Theme::Theme(int screen_num):m_screen_num(screen_num) { ThemeManager::instance().registerTheme(*this); } Theme::~Theme() { ThemeManager::instance().unregisterTheme(*this); } ThemeManager &ThemeManager::instance() { static ThemeManager tm; return tm; } ThemeManager::ThemeManager(): // max_screens: we initialize this later so we can set m_verbose // without having a display connection m_max_screens(-1), m_verbose(false), m_themelocation("") { } bool ThemeManager::registerTheme(Theme &tm) { if (m_max_screens < 0) m_max_screens = ScreenCount(FbTk::App::instance()->display()); // valid screen num? if (m_max_screens < tm.screenNum() || tm.screenNum() < 0) return false; // TODO: use find and return false if it's already there // instead of unique m_themelist.push_back(&tm); m_themelist.unique(); return true; } bool ThemeManager::unregisterTheme(Theme &tm) { m_themelist.remove(&tm); return true; } bool ThemeManager::load(const std::string &filename, int screen_num) { std::string location = FbTk::StringUtil::expandFilename(filename); std::string prefix = ""; if (Directory::isDirectory(filename)) { prefix = location; location.append("/theme.cfg"); if (!Directory::isRegularFile(location)) { cerr<<"Error loading theme file "<<location<<": not a regular file"<<endl; return false; } } else { // dirname prefix = location.substr(0, location.find_last_of('/')); } if (!m_database.load(location.c_str())) return false; // relies on the fact that load_rc clears search paths each time if (m_themelocation != "") { Image::removeSearchPath(m_themelocation); m_themelocation.append("/pixmaps"); Image::removeSearchPath(m_themelocation); } m_themelocation = prefix; location = prefix; Image::addSearchPath(location); location.append("/pixmaps"); Image::addSearchPath(location); // get list and go throu all the resources and load them ThemeList::iterator theme_it = m_themelist.begin(); const ThemeList::iterator theme_it_end = m_themelist.end(); for (; theme_it != theme_it_end; ++theme_it) { if (screen_num < 0) loadTheme(**theme_it); else if (screen_num == (*theme_it)->screenNum()) // specified screen loadTheme(**theme_it); } // notify all themes that we reconfigured theme_it = m_themelist.begin(); for (; theme_it != theme_it_end; ++theme_it) { // send reconfiguration signal to theme and listeners (*theme_it)->reconfigTheme(); (*theme_it)->reconfigSig().notify(); } return true; } void ThemeManager::loadTheme(Theme &tm) { std::list<ThemeItem_base *>::iterator i = tm.itemList().begin(); std::list<ThemeItem_base *>::iterator i_end = tm.itemList().end(); for (; i != i_end; ++i) { ThemeItem_base *resource = *i; if (!loadItem(*resource)) { // try fallback resource in theme if (!tm.fallback(*resource)) { if (verbose()) cerr<<"Failed to read theme item: "<<resource->name()<<endl; resource->setDefaultValue(); } } } // send reconfiguration signal to theme and listeners } bool ThemeManager::loadItem(ThemeItem_base &resource) { return loadItem(resource, resource.name(), resource.altName()); } bool ThemeManager::loadItem(ThemeItem_base &resource, const std::string &name, const std::string &alt_name) { XrmValue value; char *value_type; if (XrmGetResource(*m_database, name.c_str(), alt_name.c_str(), &value_type, &value)) { resource.setFromString(value.addr); resource.load(); // load additional stuff by the ThemeItem } else return false; return true; } std::string ThemeManager::resourceValue(const std::string &name, const std::string &altname) { XrmValue value; char *value_type; if (*m_database != 0 && XrmGetResource(*m_database, name.c_str(), altname.c_str(), &value_type, &value) && value.addr != 0) { return string(value.addr); } return ""; } /* void ThemeManager::listItems() { ThemeList::iterator it = m_themelist.begin(); ThemeList::iterator it_end = m_themelist.end(); for (; it != it_end; ++it) { std::list<ThemeItem_base *>::iterator item = (*it)->itemList().begin(); std::list<ThemeItem_base *>::iterator item_end = (*it)->itemList().end(); for (; item != item_end; ++item) { if (typeid(**item) == typeid(ThemeItem<Texture>)) { cerr<<(*item)->name()<<": <texture type>"<<endl; cerr<<(*item)->name()<<".pixmap: <filename>"<<endl; cerr<<(*item)->name()<<".color: <color>"<<endl; cerr<<(*item)->name()<<".colorTo: <color>"<<endl; } else if (typeid(**item) == typeid(ThemeItem<Color>)) { cerr<<(*item)->name()<<": <color>"<<endl; } else if (typeid(**item) == typeid(ThemeItem<int>)) { cerr<<(*item)->name()<<": <integer>"<<endl; } else if (typeid(**item) == typeid(ThemeItem<bool>)) { cerr<<(*item)->name()<<": <boolean>"<<endl; } else if (typeid(**item) == typeid(ThemeItem<PixmapWithMask>)) { cerr<<(*item)->name()<<": <filename>"<<endl; } else if (typeid(**item) == typeid(ThemeItem<std::string>)) { cerr<<(*item)->name()<<": <string>"<<endl; } else if (typeid(**item) == typeid(ThemeItem<Font>)) { cerr<<(*item)->name()<<": <font>"<<endl; } else { cerr<<(*item)->name()<<":"<<endl; } } } } */ }; // end namespace FbTk Fluxbox CVS-Jan-2003
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