rxvt-unicode/src/rxvttoolkit.h

/*
 * rxvttoolkit.h - provide toolkit-functionality for rxvt.
 */
#ifndef RXVT_TOOLKIT_H
#define RXVT_TOOLKIT_H

#include <X11/Xlib.h>

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

#include "iom.h"

#include "rxvtlib.h"
#include "rxvtutil.h"

#include "callback.h"

// see rxvttoolkit.C:xa_names, which must be kept in sync
enum {
  XA_TEXT,
  XA_COMPOUND_TEXT,
  XA_UTF8_STRING,
  XA_MULTIPLE,
  XA_TARGETS,
  XA_TIMESTAMP,
  XA_VT_SELECTION,
  XA_INCR,
  XA_WM_PROTOCOLS,
  XA_WM_DELETE_WINDOW,
  XA_CLIPBOARD,
  XA_AVERAGE_WIDTH,
  XA_WEIGHT_NAME,
  XA_SLANT,
  XA_CHARSET_REGISTRY,
  XA_CHARSET_ENCODING,
#if ENABLE_FRILLS
  XA_MOTIF_WM_HINTS,
#endif
#if ENABLE_EWMH
  XA_NET_WM_PID,
  XA_NET_WM_NAME,
  XA_NET_WM_ICON_NAME,
  XA_NET_WM_PING,
#endif
#if USE_XIM
  XA_WM_LOCALE_NAME,
  XA_XIM_SERVERS,
#endif
#if TRANSPARENT
  XA_XROOTPMAP_ID,
  XA_ESETROOT_PMAP_ID,
#endif
#if ENABLE_XEMBED
  XA_XEMBED,
  XA_XEMBED_INFO,
#endif
#if !ENABLE_MINIMAL
  // these are usually allocated by other subsystens, but we do it
  // here to avoid a server roundtrip.
  XA_SCREEN_RESOURCES,
  XA_XDCCC_LINEAR_RGB_CORRECTION,
  XA_XDCCC_LINEAR_RGB_MATRICES,
  XA_WM_COLORMAP_WINDOWS,
  XA_WM_STATE,
#endif
  NUM_XA
};

struct rxvt_term;
struct rxvt_display;

struct im_watcher;
struct xevent_watcher;

struct refcounted {
  int referenced;
  char *id;

  refcounted (const char *id);
  bool ref_init () { return false; }
  void ref_next () { }
  ~refcounted ();
};

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

  ~refcache ()
  {
    clear ();
  }
};

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

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

//public
  XIM xim;

  rxvt_xim (const char *id) : refcounted (id) { }
  bool ref_init ();
  ~rxvt_xim ();
};
#endif

struct rxvt_screen {
  rxvt_display *display;
  Display *xdisp;
  int depth;
  Visual *visual;
  Colormap cmap;

  void set (rxvt_display *disp);
  void set (rxvt_display *disp, int bitdepth);
  void clear ();
};

struct rxvt_display : refcounted {
  io_manager_vec<xevent_watcher> xw;

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

#ifdef USE_XIM
  refcache<rxvt_xim> xims;
  vector<im_watcher *> imw;

  void im_change_cb ();
  void im_change_check ();
#endif

//public
  Display   *display;
  int       screen;
  Window    root;
  rxvt_term *selection_owner;
  Atom      xa[NUM_XA];
#ifndef NO_SLOW_LINK_SUPPORT
  bool      is_local;
#endif
#ifdef POINTER_BLANK
  Cursor    blank_cursor;
#endif

  rxvt_display (const char *id);
  XrmDatabase get_resources ();
  bool ref_init ();
  void ref_next ();
  ~rxvt_display ();

  void flush ();
  Atom atom (const char *name);
  void set_selection_owner (rxvt_term *owner);

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

#ifdef USE_XIM
  void reg (im_watcher *w);
  void unreg (im_watcher *w);

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

#ifdef USE_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);
  }
};
#endif

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_rgba {
  unsigned short r, g, b, a;

  enum { MIN_CC = 0x0000, MAX_CC  = 0xffff };

  rxvt_rgba ()
  { }

  rxvt_rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC)
  : r(r), g(g), b(b), a(a)
  { }
};

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_screen *screen, rxvt_rgba &rgba);
 
  bool set (rxvt_screen *screen, const char *name);
  bool set (rxvt_screen *screen, rxvt_rgba rgba);

  rxvt_color fade (rxvt_screen *screen, int percent); // fades to black
  rxvt_color fade (rxvt_screen *screen, int percent, rxvt_color &fadeto);

  void free (rxvt_screen *screen);
};

#endif

Revision:	1.14
Committed:	Mon Jan 30 02:21:21 2006 UTC (18 years, 3 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.13:	+14 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	/*
2			* rxvttoolkit.h - provide toolkit-functionality for rxvt.
3			*/
4			#ifndef RXVT_TOOLKIT_H
5			#define RXVT_TOOLKIT_H
6
7			#include <X11/Xlib.h>
8
9			#if XFT
10			# include <X11/Xft/Xft.h>
11			#endif
12
13			#include "iom.h"
14
15			#include "rxvtlib.h"
16			#include "rxvtutil.h"
17
18			#include "callback.h"
19
20	root	1.11	// see rxvttoolkit.C:xa_names, which must be kept in sync
21			enum {
22			XA_TEXT,
23			XA_COMPOUND_TEXT,
24			XA_UTF8_STRING,
25			XA_MULTIPLE,
26			XA_TARGETS,
27			XA_TIMESTAMP,
28			XA_VT_SELECTION,
29			XA_INCR,
30			XA_WM_PROTOCOLS,
31			XA_WM_DELETE_WINDOW,
32			XA_CLIPBOARD,
33	root	1.14	XA_AVERAGE_WIDTH,
34			XA_WEIGHT_NAME,
35			XA_SLANT,
36			XA_CHARSET_REGISTRY,
37			XA_CHARSET_ENCODING,
38	root	1.11	#if ENABLE_FRILLS
39			XA_MOTIF_WM_HINTS,
40			#endif
41			#if ENABLE_EWMH
42			XA_NET_WM_PID,
43			XA_NET_WM_NAME,
44			XA_NET_WM_ICON_NAME,
45			XA_NET_WM_PING,
46			#endif
47			#if USE_XIM
48			XA_WM_LOCALE_NAME,
49			XA_XIM_SERVERS,
50			#endif
51			#if TRANSPARENT
52			XA_XROOTPMAP_ID,
53			XA_ESETROOT_PMAP_ID,
54			#endif
55			#if ENABLE_XEMBED
56			XA_XEMBED,
57			XA_XEMBED_INFO,
58			#endif
59	root	1.14	#if !ENABLE_MINIMAL
60			// these are usually allocated by other subsystens, but we do it
61			// here to avoid a server roundtrip.
62			XA_SCREEN_RESOURCES,
63			XA_XDCCC_LINEAR_RGB_CORRECTION,
64			XA_XDCCC_LINEAR_RGB_MATRICES,
65			XA_WM_COLORMAP_WINDOWS,
66			XA_WM_STATE,
67			#endif
68	root	1.11	NUM_XA
69			};
70
71	root	1.1	struct rxvt_term;
72	root	1.2	struct rxvt_display;
73	root	1.1
74			struct im_watcher;
75			struct xevent_watcher;
76
77			struct refcounted {
78			int referenced;
79			char *id;
80
81			refcounted (const char *id);
82	root	1.9	bool ref_init () { return false; }
83			void ref_next () { }
84	root	1.1	~refcounted ();
85			};
86
87			template<class T>
88			struct refcache : vector<T *> {
89			T get (const char id);
90			void put (T *obj);
91	root	1.7	void clear ();
92
93			~refcache ()
94			{
95			clear ();
96			}
97	root	1.1	};
98
99			/////////////////////////////////////////////////////////////////////////////
100
101			#ifdef USE_XIM
102			struct rxvt_xim : refcounted {
103			void destroy ();
104			rxvt_display *display;
105
106			//public
107			XIM xim;
108
109			rxvt_xim (const char *id) : refcounted (id) { }
110	root	1.9	bool ref_init ();
111	root	1.1	~rxvt_xim ();
112			};
113			#endif
114
115	root	1.12	struct rxvt_screen {
116			rxvt_display *display;
117			Display *xdisp;
118			int depth;
119			Visual *visual;
120			Colormap cmap;
121
122			void set (rxvt_display *disp);
123	root	1.13	void set (rxvt_display *disp, int bitdepth);
124	root	1.12	void clear ();
125			};
126
127	root	1.1	struct rxvt_display : refcounted {
128			io_manager_vec<xevent_watcher> xw;
129
130			io_watcher x_ev; void x_cb (io_watcher &w, short revents);
131
132			#ifdef USE_XIM
133			refcache<rxvt_xim> xims;
134			vector<im_watcher *> imw;
135
136			void im_change_cb ();
137	root	1.3	void im_change_check ();
138	root	1.1	#endif
139
140			//public
141	root	1.7	Display *display;
142			int screen;
143			Window root;
144	root	1.1	rxvt_term *selection_owner;
145	root	1.11	Atom xa[NUM_XA];
146	root	1.1	#ifndef NO_SLOW_LINK_SUPPORT
147	root	1.7	bool is_local;
148			#endif
149			#ifdef POINTER_BLANK
150			Cursor blank_cursor;
151	root	1.1	#endif
152
153			rxvt_display (const char *id);
154	root	1.9	XrmDatabase get_resources ();
155			bool ref_init ();
156			void ref_next ();
157	root	1.1	~rxvt_display ();
158
159			void flush ();
160	root	1.5	Atom atom (const char *name);
161	root	1.1	void set_selection_owner (rxvt_term *owner);
162
163			void reg (xevent_watcher *w);
164			void unreg (xevent_watcher *w);
165
166			#ifdef USE_XIM
167			void reg (im_watcher *w);
168			void unreg (im_watcher *w);
169
170			rxvt_xim get_xim (const char locale, const char *modifiers);
171			void put_xim (rxvt_xim *xim);
172			#endif
173			};
174
175			#ifdef USE_XIM
176			struct im_watcher : watcher, callback0<void> {
177			template<class O1, class O2>
178			im_watcher (O1 object, void (O2::method) ())
179			: callback0<void> (object,method)
180			{ }
181
182			void start (rxvt_display *display)
183			{
184			display->reg (this);
185			}
186			void stop (rxvt_display *display)
187			{
188			display->unreg (this);
189			}
190			};
191			#endif
192
193			struct xevent_watcher : watcher, callback1<void, XEvent &> {
194			Window window;
195
196			template<class O1, class O2>
197			xevent_watcher (O1 object, void (O2::method) (XEvent &))
198			: callback1<void, XEvent &> (object,method)
199			{ }
200
201			void start (rxvt_display *display, Window window)
202			{
203			this->window = window;
204			display->reg (this);
205			}
206			void stop (rxvt_display *display)
207			{
208			display->unreg (this);
209			}
210			};
211
212			extern refcache<rxvt_display> displays;
213
214			/////////////////////////////////////////////////////////////////////////////
215
216			typedef unsigned long Pixel;
217
218	root	1.13	struct rxvt_rgba {
219			unsigned short r, g, b, a;
220
221			enum { MIN_CC = 0x0000, MAX_CC = 0xffff };
222
223			rxvt_rgba ()
224			{ }
225
226			rxvt_rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC)
227			: r(r), g(g), b(b), a(a)
228			{ }
229			};
230
231	root	1.1	struct rxvt_color {
232			#if XFT
233			XftColor c;
234			operator Pixel () const { return c.pixel; }
235			#else
236			Pixel p;
237			operator Pixel () const { return p; }
238			#endif
239
240			bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
241			bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
242
243	root	1.13	void get (rxvt_screen *screen, rxvt_rgba &rgba);
244	root	1.1
245	root	1.12	bool set (rxvt_screen screen, const char name);
246	root	1.13	bool set (rxvt_screen *screen, rxvt_rgba rgba);
247	root	1.1
248	root	1.12	rxvt_color fade (rxvt_screen *screen, int percent); // fades to black
249			rxvt_color fade (rxvt_screen *screen, int percent, rxvt_color &fadeto);
250	root	1.1
251	root	1.12	void free (rxvt_screen *screen);
252	root	1.1	};
253
254			#endif
255