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"

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;

  rxvt_term *selection_owner;
  
  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_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);
};

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:	1.8
Committed:	Tue Feb 24 16:25:45 2004 UTC (20 years, 3 months ago) by pcg
Content type:	text/plain
Branch:	MAIN
Changes since 1.7:	+1 -1 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	1.4	struct rxvt_term;
18	pcg	1.1
19	pcg	1.5	struct im_watcher;
20	pcg	1.3	struct xevent_watcher;
21
22	pcg	1.5	struct refcounted {
23	pcg	1.3	int referenced;
24	pcg	1.5	char *id;
25
26			refcounted (const char *id);
27	pcg	1.8	bool init () { return false; }
28	pcg	1.5	~refcounted ();
29			};
30
31			template<class T>
32			struct refcache : vector<T *> {
33			T get (const char id);
34			void put (T *obj);
35			~refcache ();
36			};
37
38			/////////////////////////////////////////////////////////////////////////////
39
40			struct rxvt_xim : refcounted {
41			void destroy ();
42			rxvt_display *display;
43
44			//public
45			XIM xim;
46
47			rxvt_xim (const char *id) : refcounted (id) { }
48			bool init ();
49			~rxvt_xim ();
50			};
51
52			struct rxvt_display : refcounted {
53			Atom xa_xim_servers;
54	pcg	1.4
55			rxvt_term *selection_owner;
56	pcg	1.3
57			io_manager_vec<xevent_watcher> xw;
58	pcg	1.5
59	pcg	1.6	io_watcher x_ev; void x_cb (io_watcher &w, short revents);
60	pcg	1.3
61	pcg	1.5	refcache<rxvt_xim> xims;
62			vector<im_watcher *> imw;
63
64			void im_change_cb ();
65
66	pcg	1.3	//public
67			Display *display;
68			int depth;
69			int screen;
70			Visual *visual;
71			Colormap cmap;
72			Window root;
73
74	pcg	1.5	rxvt_display (const char *id);
75			bool init ();
76			~rxvt_display ();
77	pcg	1.3
78	pcg	1.6	void flush ();
79
80	pcg	1.3	void reg (xevent_watcher *w);
81			void unreg (xevent_watcher *w);
82	pcg	1.5	void reg (im_watcher *w);
83			void unreg (im_watcher *w);
84
85			void set_selection_owner (rxvt_term *owner);
86
87			rxvt_xim get_xim (const char locale, const char *modifiers);
88			void put_xim (rxvt_xim *xim);
89			};
90	pcg	1.3
91	pcg	1.5	struct im_watcher : watcher, callback0<void> {
92			template<class O1, class O2>
93	pcg	1.7	im_watcher (O1 object, void (O2::method) ())
94			: callback0<void> (object,method)
95	pcg	1.5	{ }
96	pcg	1.4
97	pcg	1.5	void start (rxvt_display *display)
98			{
99			display->reg (this);
100			}
101			void stop (rxvt_display *display)
102			{
103			display->unreg (this);
104			}
105	pcg	1.3	};
106
107			struct xevent_watcher : watcher, callback1<void, XEvent &> {
108			Window window;
109
110			template<class O1, class O2>
111	pcg	1.7	xevent_watcher (O1 object, void (O2::method) (XEvent &))
112			: callback1<void, XEvent &> (object,method)
113	pcg	1.3	{ }
114
115			void start (rxvt_display *display, Window window)
116			{
117			this->window = window;
118			display->reg (this);
119			}
120			void stop (rxvt_display *display)
121			{
122			display->unreg (this);
123			}
124			};
125
126	pcg	1.5	extern refcache<rxvt_display> displays;
127	pcg	1.3
128	pcg	1.5	/////////////////////////////////////////////////////////////////////////////
129	pcg	1.3
130	pcg	1.1	typedef unsigned long Pixel;
131
132			struct rxvt_color {
133			#if XFT
134	pcg	1.3	XftColor c;
135	pcg	1.7	operator Pixel () const { return c.pixel; }
136	pcg	1.1	#else
137	pcg	1.3	Pixel p;
138	pcg	1.7	operator Pixel () const { return p; }
139	pcg	1.1	#endif
140
141	pcg	1.7	bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
142			bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
143	pcg	1.1
144	pcg	1.3	void get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb);
145
146			bool set (rxvt_display *display, Pixel p);
147			bool set (rxvt_display display, const char name);
148			bool set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb);
149
150			void free (rxvt_display *display);
151	pcg	1.1	};
152
153			#endif
154