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// 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 1.30 2004/10/21 16:45:30 akir Exp $
#include "Theme.hh"
#include "XrmDatabaseHelper.hh"
#include "App.hh"
#include "StringUtil.hh"
#include "Directory.hh"
#include "I18n.hh"
#include "Image.hh"
#ifdef HAVE_CSTDIO
#include <cstdio>
#else
#include <stdio.h>
#endif
#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)) {
location = prefix;
location.append("/style.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()) {
_FB_USES_NLS;
cerr<<_FBTKTEXT(Error, ThemeItem, "Failed to read theme item", "When reading a style, couldn't read a specific item (following)")<<": "<<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());
}
/// handles resource item loading with specific name/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(&name, &alt_name); // 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
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