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// Theme.cc for FbTk - Fluxbox ToolKit
// Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
//
// 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 1.1 2002/12/02 19:34:54 fluxgen Exp $
#include "Theme.hh"
#include "../XrmDatabaseHelper.hh"
#include "Font.hh"
#include "Color.hh"
#include "Texture.hh"
#include "App.hh"
#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<<"Failed to load font: "<<str<<endl;
cerr<<"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"));
m_value.color().setFromString(color_name.c_str(), m_tm.screenNum());
m_value.colorTo().setFromString(colorto_name.c_str(), m_tm.screenNum());
}
template <>
void ThemeItem<FbTk::Color>::setFromString(const char *str) {
m_value.setFromString(str, m_tm.screenNum());
}
template <>
void ThemeItem<FbTk::Color>::setDefaultValue() {
m_value.setPixel(0xFFFFFFFF);
}
// 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
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