ede/pekwm/ColorHandler.hh
2011-10-23 00:10:40 +00:00

75 lines
1.6 KiB
C++

//
// ColorHandler.hh for pekwm
// Copyright © 2004-2009 Claes Nästén <me@pekdon.net>
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//
#ifndef _COLOR_HANDLER_HH_
#define _COLOR_HANDLER_HH_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#include "pekwm.hh"
#include <list>
#include <string>
#include <cstring>
extern "C" {
#include <string.h>
}
class ColorHandler {
public:
class Entry {
public:
Entry(const std::string &name) : _name(name), _ref(0) { }
~Entry(void) { }
inline XColor *getColor(void) { return &_xc; }
inline uint getRef(void) const { return _ref; }
inline void incRef(void) { _ref++; }
inline void decRef(void) { if (_ref > 0) {_ref--; }
}
inline bool operator==(const std::string &name) {
return (::strcasecmp(_name.c_str(), name.c_str()) == 0);
}
private:
std::string _name;
XColor _xc;
uint _ref;
};
ColorHandler(Display *dpy);
~ColorHandler(void);
static ColorHandler *instance(void) { return _instance; }
inline bool isFreeOnReturn(void) const { return _free_on_return; }
inline void setFreeOnReturn(bool free) { _free_on_return = free; }
XColor *getColor(const std::string &color);
void returnColor(XColor *xc);
void freeColors(bool all);
private:
Display *_dpy;
XColor _xc_default; // when allocating fails
std::list<ColorHandler::Entry*> _color_list;
bool _free_on_return; // used when returning many colours
static ColorHandler *_instance;
};
#endif // _COLOR_HANDLER_HH_