rxvt-unicode/src/rxvttoolkit.h

/*--------------------------------*-C-*---------------------------------*
 * File:        rxvttoolkit.h - provide toolkit-functionality for rxvt.
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

#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,
  XA_cursor,
# if USE_XIM
  // various selection targets used by XIM
  XA_TRANSPORT,
  XA_LOCALES,
  XA__XIM_PROTOCOL,
  XA__XIM_XCONNECT,
  XA__XIM_MOREDATA,
# endif
#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 ();
  }
};

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

struct rxvt_screen;

struct rxvt_drawable {
  rxvt_screen *screen;
  Drawable drawable;
  operator Drawable() { return drawable; }

#if XFT
  XftDraw *xftdrawable;
  operator XftDraw *();
#endif

  rxvt_drawable (rxvt_screen *screen, Drawable drawable)
  : screen(screen),
#if XFT
    xftdrawable(0),
#endif
    drawable(drawable)
  { }

#if XFT
  ~rxvt_drawable ();
#endif
};

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

#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 *dpy;
  int depth;
  Visual *visual;
  Colormap cmap;

#if XFT
  // scratch pixmap
  rxvt_drawable *scratch_area;
  int scratch_w, scratch_h;

  rxvt_drawable &scratch_drawable (int w, int h);

  rxvt_screen ();
#endif

  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   *dpy;
  int       screen;
  Window    root;
  rxvt_term *selection_owner;
  Atom      xa[NUM_XA];
  bool      is_local;
#ifdef POINTER_BLANK
  Cursor    blank_cursor;
#endif

  rxvt_display (const char *id);
  XrmDatabase get_resources (bool refresh);
  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 rgba {
  unsigned short r, g, b, a;

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

  rgba ()
  { }

  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;
#else
  XColor c;
#endif

  operator Pixel () const { return c.pixel; }

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

  bool alloc (rxvt_screen *screen, const rgba &color);
  void free (rxvt_screen *screen);

  void get (rgba &color);
  void get (XColor &color);
 
  bool set (rxvt_screen *screen, const char *name);
  bool set (rxvt_screen *screen, const rgba &color);

  void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0));
};

#endif

Revision:	1.26
Committed:	Mon Feb 20 22:40:35 2006 UTC (18 years, 3 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.25:	+22 -3 lines
Log Message:	* empty log message *
#	Content
1	/---------------------------------C----------------------------------
2	* File: rxvttoolkit.h - provide toolkit-functionality for rxvt.
3	----------------------------------------------------------------------
4	*
5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7	*
8	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or
11	* (at your option) any later version.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	----------------------------------------------------------------------/
22
23	#ifndef RXVT_TOOLKIT_H
24	#define RXVT_TOOLKIT_H
25
26	#include <X11/Xlib.h>
27
28	#if XFT
29	# include <X11/Xft/Xft.h>
30	#endif
31
32	#include "iom.h"
33
34	#include "rxvtlib.h"
35	#include "rxvtutil.h"
36
37	#include "callback.h"
38
39	// see rxvttoolkit.C:xa_names, which must be kept in sync
40	enum {
41	XA_TEXT,
42	XA_COMPOUND_TEXT,
43	XA_UTF8_STRING,
44	XA_MULTIPLE,
45	XA_TARGETS,
46	XA_TIMESTAMP,
47	XA_VT_SELECTION,
48	XA_INCR,
49	XA_WM_PROTOCOLS,
50	XA_WM_DELETE_WINDOW,
51	XA_CLIPBOARD,
52	XA_AVERAGE_WIDTH,
53	XA_WEIGHT_NAME,
54	XA_SLANT,
55	XA_CHARSET_REGISTRY,
56	XA_CHARSET_ENCODING,
57	#if ENABLE_FRILLS
58	XA_MOTIF_WM_HINTS,
59	#endif
60	#if ENABLE_EWMH
61	XA_NET_WM_PID,
62	XA_NET_WM_NAME,
63	XA_NET_WM_ICON_NAME,
64	XA_NET_WM_PING,
65	#endif
66	#if USE_XIM
67	XA_WM_LOCALE_NAME,
68	XA_XIM_SERVERS,
69	#endif
70	#if TRANSPARENT
71	XA_XROOTPMAP_ID,
72	XA_ESETROOT_PMAP_ID,
73	#endif
74	#if ENABLE_XEMBED
75	XA_XEMBED,
76	XA_XEMBED_INFO,
77	#endif
78	#if !ENABLE_MINIMAL
79	// these are usually allocated by other subsystens, but we do it
80	// here to avoid a server roundtrip.
81	XA_SCREEN_RESOURCES,
82	XA_XDCCC_LINEAR_RGB_CORRECTION,
83	XA_XDCCC_LINEAR_RGB_MATRICES,
84	XA_WM_COLORMAP_WINDOWS,
85	XA_WM_STATE,
86	XA_cursor,
87	# if USE_XIM
88	// various selection targets used by XIM
89	XA_TRANSPORT,
90	XA_LOCALES,
91	XA__XIM_PROTOCOL,
92	XA__XIM_XCONNECT,
93	XA__XIM_MOREDATA,
94	# endif
95	#endif
96	NUM_XA
97	};
98
99	struct rxvt_term;
100	struct rxvt_display;
101
102	struct im_watcher;
103	struct xevent_watcher;
104
105	struct refcounted {
106	int referenced;
107	char *id;
108
109	refcounted (const char *id);
110	bool ref_init () { return false; }
111	void ref_next () { }
112	~refcounted ();
113	};
114
115	template<class T>
116	struct refcache : vector<T *> {
117	T get (const char id);
118	void put (T *obj);
119	void clear ();
120
121	~refcache ()
122	{
123	clear ();
124	}
125	};
126
127	/////////////////////////////////////////////////////////////////////////////
128
129	struct rxvt_screen;
130
131	struct rxvt_drawable {
132	rxvt_screen *screen;
133	Drawable drawable;
134	operator Drawable() { return drawable; }
135
136	#if XFT
137	XftDraw *xftdrawable;
138	operator XftDraw *();
139	#endif
140
141	rxvt_drawable (rxvt_screen *screen, Drawable drawable)
142	: screen(screen),
143	#if XFT
144	xftdrawable(0),
145	#endif
146	drawable(drawable)
147	{ }
148
149	#if XFT
150	~rxvt_drawable ();
151	#endif
152	};
153
154	/////////////////////////////////////////////////////////////////////////////
155
156	#ifdef USE_XIM
157	struct rxvt_xim : refcounted {
158	void destroy ();
159	rxvt_display *display;
160
161	//public
162	XIM xim;
163
164	rxvt_xim (const char *id) : refcounted (id) { }
165	bool ref_init ();
166	~rxvt_xim ();
167	};
168	#endif
169
170	struct rxvt_screen {
171	rxvt_display *display;
172	Display *dpy;
173	int depth;
174	Visual *visual;
175	Colormap cmap;
176
177	#if XFT
178	// scratch pixmap
179	rxvt_drawable *scratch_area;
180	int scratch_w, scratch_h;
181
182	rxvt_drawable &scratch_drawable (int w, int h);
183
184	rxvt_screen ();
185	#endif
186
187	void set (rxvt_display *disp);
188	void set (rxvt_display *disp, int bitdepth);
189	void clear ();
190	};
191
192	struct rxvt_display : refcounted {
193	io_manager_vec<xevent_watcher> xw;
194
195	io_watcher x_ev; void x_cb (io_watcher &w, short revents);
196
197	#ifdef USE_XIM
198	refcache<rxvt_xim> xims;
199	vector<im_watcher *> imw;
200
201	void im_change_cb ();
202	void im_change_check ();
203	#endif
204
205	//public
206	Display *dpy;
207	int screen;
208	Window root;
209	rxvt_term *selection_owner;
210	Atom xa[NUM_XA];
211	bool is_local;
212	#ifdef POINTER_BLANK
213	Cursor blank_cursor;
214	#endif
215
216	rxvt_display (const char *id);
217	XrmDatabase get_resources (bool refresh);
218	bool ref_init ();
219	void ref_next ();
220	~rxvt_display ();
221
222	void flush ();
223	Atom atom (const char *name);
224	void set_selection_owner (rxvt_term *owner);
225
226	void reg (xevent_watcher *w);
227	void unreg (xevent_watcher *w);
228
229	#ifdef USE_XIM
230	void reg (im_watcher *w);
231	void unreg (im_watcher *w);
232
233	rxvt_xim get_xim (const char locale, const char *modifiers);
234	void put_xim (rxvt_xim *xim);
235	#endif
236	};
237
238	#ifdef USE_XIM
239	struct im_watcher : watcher, callback0<void> {
240	template<class O1, class O2>
241	im_watcher (O1 object, void (O2::method) ())
242	: callback0<void> (object,method)
243	{ }
244
245	void start (rxvt_display *display)
246	{
247	display->reg (this);
248	}
249	void stop (rxvt_display *display)
250	{
251	display->unreg (this);
252	}
253	};
254	#endif
255
256	struct xevent_watcher : watcher, callback1<void, XEvent &> {
257	Window window;
258
259	template<class O1, class O2>
260	xevent_watcher (O1 object, void (O2::method) (XEvent &))
261	: callback1<void, XEvent &> (object,method)
262	{ }
263
264	void start (rxvt_display *display, Window window)
265	{
266	this->window = window;
267	display->reg (this);
268	}
269	void stop (rxvt_display *display)
270	{
271	display->unreg (this);
272	}
273	};
274
275	extern refcache<rxvt_display> displays;
276
277	/////////////////////////////////////////////////////////////////////////////
278
279	typedef unsigned long Pixel;
280
281	struct rgba {
282	unsigned short r, g, b, a;
283
284	enum { MIN_CC = 0x0000, MAX_CC = 0xffff };
285
286	rgba ()
287	{ }
288
289	rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC)
290	: r(r), g(g), b(b), a(a)
291	{ }
292	};
293
294	struct rxvt_color {
295	#if XFT
296	XftColor c;
297	#else
298	XColor c;
299	#endif
300
301	operator Pixel () const { return c.pixel; }
302
303	bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
304	bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
305
306	bool alloc (rxvt_screen *screen, const rgba &color);
307	void free (rxvt_screen *screen);
308
309	void get (rgba &color);
310	void get (XColor &color);
311
312	bool set (rxvt_screen screen, const char name);
313	bool set (rxvt_screen *screen, const rgba &color);
314
315	void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0));
316	};
317
318	#endif
319