rxvt-unicode/src/rxvtcolor.h

#ifndef RXVT_COLOR_H
#define RXVT_COLOR_H

#include <X11/Xlib.h>

#if XFT
# include <X11/Xft/Xft.h>
#endif

#include "iom.h"

#include "rxvtlib.h"
#include "rxvtstl.h"

#include "callback.h"

extern class byteorder {
  uint32_t e;
public:
  byteorder ();

  bool big_endian    () { return e == 0x11223344; };
  bool network       () { return e == 0x11223344; };
  bool little_endian () { return e == 0x44332211; };
  bool vax           () { return e == 0x44332211; };
} byteorder;

struct rxvt_term;

struct im_watcher;
struct xevent_watcher;

struct refcounted {
  int referenced;
  char *id;

  refcounted (const char *id);
  bool init () { return false; }
  ~refcounted ();
};

template<class T>
struct refcache : vector<T *> {
  T *get (const char *id);
  void put (T *obj);
  ~refcache ();
};

/////////////////////////////////////////////////////////////////////////////

struct rxvt_xim : refcounted {
  void destroy ();
  rxvt_display *display;

//public
  XIM xim;

  rxvt_xim (const char *id) : refcounted (id) { }
  bool init ();
  ~rxvt_xim ();
};

struct rxvt_display : refcounted {
  Atom xa_xim_servers;

  io_manager_vec<xevent_watcher> xw;

  io_watcher x_ev; void x_cb (io_watcher &w, short revents);

  refcache<rxvt_xim> xims;
  vector<im_watcher *> imw;

  void im_change_cb ();

//public
  Display  *display;
  int      depth;
  int      screen;
  Visual   *visual;
  Colormap cmap;
  Window   root;
  rxvt_term *selection_owner;

  rxvt_display (const char *id);
  bool init ();
  ~rxvt_display ();

  void flush ();

  void reg (xevent_watcher *w);
  void unreg (xevent_watcher *w);
  void reg (im_watcher *w);
  void unreg (im_watcher *w);

  void set_selection_owner (rxvt_term *owner);

  rxvt_xim *get_xim (const char *locale, const char *modifiers);
  void put_xim (rxvt_xim *xim);

  Atom atom (const char *name);
};

struct im_watcher : watcher, callback0<void> {
  template<class O1, class O2>
  im_watcher (O1 *object, void (O2::*method) ())
  : callback0<void> (object,method)
  { }

  void start (rxvt_display *display)
  {
    display->reg (this);
  }
  void stop (rxvt_display *display)
  {
    display->unreg (this);
  }
};

struct xevent_watcher : watcher, callback1<void, XEvent &> {
  Window window;

  template<class O1, class O2>
  xevent_watcher (O1 *object, void (O2::*method) (XEvent &))
  : callback1<void, XEvent &> (object,method)
  { }

  void start (rxvt_display *display, Window window)
  {
    this->window = window;
    display->reg (this);
  }
  void stop (rxvt_display *display)
  {
    display->unreg (this);
  }
};

extern refcache<rxvt_display> displays;

/////////////////////////////////////////////////////////////////////////////

typedef unsigned long Pixel;

struct rxvt_color {
#if XFT
  XftColor c;
  operator Pixel () const { return c.pixel; }
#else
  Pixel p;
  operator Pixel () const { return p; }
#endif

  bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
  bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }

  void get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb);
 
  bool set (rxvt_display *display, Pixel p);
  bool set (rxvt_display *display, const char *name);
  bool set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb);

  void free (rxvt_display *display);
};

#endif

Revision:	1.11
Committed:	Tue Mar 30 14:45:13 2004 UTC (20 years, 2 months ago) by pcg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-3_2, rel-2_8, rel-3_0, rel-2_7
Changes since 1.10:	+2 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.1	#ifndef RXVT_COLOR_H
2			#define RXVT_COLOR_H
3
4			#include <X11/Xlib.h>
5
6			#if XFT
7			# include <X11/Xft/Xft.h>
8			#endif
9
10	pcg	1.3	#include "iom.h"
11
12	pcg	1.1	#include "rxvtlib.h"
13	pcg	1.3	#include "rxvtstl.h"
14
15			#include "callback.h"
16	pcg	1.1
17	pcg	1.10	extern class byteorder {
18			uint32_t e;
19			public:
20			byteorder ();
21
22			bool big_endian () { return e == 0x11223344; };
23			bool network () { return e == 0x11223344; };
24			bool little_endian () { return e == 0x44332211; };
25			bool vax () { return e == 0x44332211; };
26			} byteorder;
27
28	pcg	1.4	struct rxvt_term;
29	pcg	1.1
30	pcg	1.5	struct im_watcher;
31	pcg	1.3	struct xevent_watcher;
32
33	pcg	1.5	struct refcounted {
34	pcg	1.3	int referenced;
35	pcg	1.5	char *id;
36
37			refcounted (const char *id);
38	pcg	1.8	bool init () { return false; }
39	pcg	1.5	~refcounted ();
40			};
41
42			template<class T>
43			struct refcache : vector<T *> {
44			T get (const char id);
45			void put (T *obj);
46			~refcache ();
47			};
48
49			/////////////////////////////////////////////////////////////////////////////
50
51			struct rxvt_xim : refcounted {
52			void destroy ();
53			rxvt_display *display;
54
55			//public
56			XIM xim;
57
58			rxvt_xim (const char *id) : refcounted (id) { }
59			bool init ();
60			~rxvt_xim ();
61			};
62
63			struct rxvt_display : refcounted {
64			Atom xa_xim_servers;
65	pcg	1.4
66	pcg	1.3	io_manager_vec<xevent_watcher> xw;
67	pcg	1.5
68	pcg	1.6	io_watcher x_ev; void x_cb (io_watcher &w, short revents);
69	pcg	1.3
70	pcg	1.5	refcache<rxvt_xim> xims;
71			vector<im_watcher *> imw;
72
73			void im_change_cb ();
74
75	pcg	1.3	//public
76			Display *display;
77			int depth;
78			int screen;
79			Visual *visual;
80			Colormap cmap;
81			Window root;
82	pcg	1.9	rxvt_term *selection_owner;
83	pcg	1.3
84	pcg	1.5	rxvt_display (const char *id);
85			bool init ();
86			~rxvt_display ();
87	pcg	1.3
88	pcg	1.6	void flush ();
89
90	pcg	1.3	void reg (xevent_watcher *w);
91			void unreg (xevent_watcher *w);
92	pcg	1.5	void reg (im_watcher *w);
93			void unreg (im_watcher *w);
94
95			void set_selection_owner (rxvt_term *owner);
96
97			rxvt_xim get_xim (const char locale, const char *modifiers);
98			void put_xim (rxvt_xim *xim);
99	pcg	1.11
100			Atom atom (const char *name);
101	pcg	1.5	};
102	pcg	1.3
103	pcg	1.5	struct im_watcher : watcher, callback0<void> {
104			template<class O1, class O2>
105	pcg	1.7	im_watcher (O1 object, void (O2::method) ())
106			: callback0<void> (object,method)
107	pcg	1.5	{ }
108	pcg	1.4
109	pcg	1.5	void start (rxvt_display *display)
110			{
111			display->reg (this);
112			}
113			void stop (rxvt_display *display)
114			{
115			display->unreg (this);
116			}
117	pcg	1.3	};
118
119			struct xevent_watcher : watcher, callback1<void, XEvent &> {
120			Window window;
121
122			template<class O1, class O2>
123	pcg	1.7	xevent_watcher (O1 object, void (O2::method) (XEvent &))
124			: callback1<void, XEvent &> (object,method)
125	pcg	1.3	{ }
126
127			void start (rxvt_display *display, Window window)
128			{
129			this->window = window;
130			display->reg (this);
131			}
132			void stop (rxvt_display *display)
133			{
134			display->unreg (this);
135			}
136			};
137
138	pcg	1.5	extern refcache<rxvt_display> displays;
139	pcg	1.3
140	pcg	1.5	/////////////////////////////////////////////////////////////////////////////
141	pcg	1.3
142	pcg	1.1	typedef unsigned long Pixel;
143
144			struct rxvt_color {
145			#if XFT
146	pcg	1.3	XftColor c;
147	pcg	1.7	operator Pixel () const { return c.pixel; }
148	pcg	1.1	#else
149	pcg	1.3	Pixel p;
150	pcg	1.7	operator Pixel () const { return p; }
151	pcg	1.1	#endif
152
153	pcg	1.7	bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
154			bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
155	pcg	1.1
156	pcg	1.3	void get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb);
157
158			bool set (rxvt_display *display, Pixel p);
159			bool set (rxvt_display display, const char name);
160			bool set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb);
161
162			void free (rxvt_display *display);
163	pcg	1.1	};
164
165			#endif
166