// 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 1.7 2003/06/15 21:02:41 fluxgen Exp $ #include "Theme.hh" #include "XrmDatabaseHelper.hh" #include "Font.hh" #include "Color.hh" #include "Texture.hh" #include "App.hh" #ifdef HAVE_CONFIG_H #include "config.h" #endif // HAVE_CONFIG_H #ifdef HAVE_XPM #include <X11/xpm.h> #endif // HAVE_XPM #include <iostream> using namespace std; namespace FbTk { // create default handlers for Color, Font, and Texture template <> void ThemeItem<FbTk::Font>::setDefaultValue() { if (!m_value.load("fixed")) { cerr<<"FbTk::ThemeItem<FbTk::Font>: Warning! Failed to load default value 'fixed'"<<endl; } } template <> void ThemeItem<FbTk::Font>::setFromString(const char *str) { if (m_value.load(str) == false) { cerr<<"FbTk::Theme: Error loading font "<< ((m_value.isAntialias() || m_value.utf8()) ? "(" : "")<< (m_value.isAntialias() ? "antialias" : "")<< (m_value.utf8() ? " utf8" : "")<< ((m_value.isAntialias() || m_value.utf8()) ? ") " : "")<< "for \""<<name()<<"\" or \""<<altName()<<"\": "<<str<<endl; cerr<<"FbTk::Theme: Setting default value"<<endl; setDefaultValue(); } } // do nothing template <> void ThemeItem<FbTk::Font>::load() { } template <> void ThemeItem<FbTk::Texture>::setFromString(const char *str) { m_value.setFromString(str); } template <> void ThemeItem<FbTk::Texture>::setDefaultValue() { m_value.setType(0); } template <> void ThemeItem<FbTk::Texture>::load() { string color_name(ThemeManager::instance(). resourceValue(name()+".color", altName()+".Color")); string colorto_name(ThemeManager::instance(). resourceValue(name()+".colorTo", altName()+".ColorTo")); string pixmap_name(ThemeManager::instance(). resourceValue(name()+".pixmap", altName()+".Pixmap")); m_value.color().setFromString(color_name.c_str(), m_tm.screenNum()); m_value.colorTo().setFromString(colorto_name.c_str(), m_tm.screenNum()); #ifdef HAVE_XPM XpmAttributes xpm_attr; xpm_attr.valuemask = 0; Display *dpy = FbTk::App::instance()->display(); Pixmap pm = 0, mask = 0; int retvalue = XpmReadFileToPixmap(dpy, RootWindow(dpy, m_tm.screenNum()), const_cast<char *>(pixmap_name.c_str()), &pm, &mask, &xpm_attr); if (retvalue == 0) { // success m_value.pixmap() = pm; if (mask != 0) XFreePixmap(dpy, mask); } else { // failure #ifdef DEBUG cerr<<"Couldn't load pixmap: "<<pixmap_name<<endl; #endif // DEBUG // create empty pixmap m_value.pixmap() = FbTk::FbPixmap(); } #endif // HAVE_XPM } template <> void ThemeItem<FbTk::Color>::setDefaultValue() { m_value.setFromString("white", m_tm.screenNum()); } template <> void ThemeItem<FbTk::Color>::setFromString(const char *str) { if (!m_value.setFromString(str, m_tm.screenNum())) { cerr<<"FbTk::Theme: Error loading color value for \""<<name()<<"\" or \""<<altName()<<"\"."<<endl; setDefaultValue(); } } // does nothing template <> void ThemeItem<FbTk::Color>::load() { } Theme::Theme(int screen_num):m_screen_num(screen_num) { if (!ThemeManager::instance().registerTheme(*this)) { // should it be fatal or not? cerr<<"FbTk::Theme Warning: Failed to register Theme"<<endl; } } Theme::~Theme() { if (!ThemeManager::instance().unregisterTheme(*this)) { #ifdef DEBUG cerr<<"Warning: Theme not registered!"<<endl; #endif // DEBUG } } ThemeManager &ThemeManager::instance() { static ThemeManager tm; return tm; } ThemeManager::ThemeManager(): m_max_screens(ScreenCount(FbTk::App::instance()->display())) { } bool ThemeManager::registerTheme(Theme &tm) { // 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 char *filename) { if (!m_database.load(filename)) return false; //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) { loadTheme(**theme_it); } return true; } void ThemeManager::loadTheme(Theme &tm) { XrmValue value; char *value_type; 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 (XrmGetResource(*m_database, resource->name().c_str(), resource->altName().c_str(), &value_type, &value)) { resource->setFromString(value.addr); resource->load(); // load additional stuff by the ThemeItem } else { cerr<<"Failed to read theme item: "<<resource->name()<<endl; cerr<<"Setting default value"<<endl; resource->setDefaultValue(); } } // send reconfiguration signal to theme tm.reconfigTheme(); } 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 ""; } }; // end namespace FbTk