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Source:NetHack 3.2.0/mactty.h

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Below is the full text to mactty.h from the source code of NetHack 3.2.0. To link to a particular line, write [[NetHack 3.2.0/mactty.h#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

The NetHack General Public License applies to screenshots, source code and other content from NetHack.
1.    /*	SCCS Id: @(#)mactty.h	3.2	93/03/01	*/
2.    /* Copyright (c) Jon W{tte 1993.					*/
3.    /* NetHack may be freely redistributed.  See license for details.	*/
4.    
5.    /*
6.     * This header is the supported external interface for the "tty" window
7.     * package. This package sports care-free handling of "dumb" tty windows
8.     * (preferrably using monospaced fonts) - it does NOT remember the strings
9.     * sent to it; rather, it uses an offscreen bitmap.
10.    *
11.    * For best performance, make sure it is aligned on a 32-pixel boundary
12.    * (or at least a 16-pixel one) in black & white. For 24bit color,
13.    * alignment doesn't matter, and for 8-bit color, alignment to every
14.    * fourth pixel is most efficient.
15.    *
16.    * (c) Copyright 1993 Jon W{tte
17.    */
18.   
19.   /*
20.    * You should really not poke in the structures used by the tty window.
21.    * However, since it uses the wRefCon of windows (by calling GetWRefCon
22.    * and SetWRefCon) you lose that possibility. If you still want to store
23.    * information about a window, the FIRST location _pointed to_ by the
24.    * wRefCon will be a void * that you can use for whatever reasons. Don't
25.    * take the address of this variable and expect it to stay the same
26.    * across calls to the tty window.
27.    *
28.    * void * my_config_ptr = * ( void * * ) GetWRefCon ( tty_window ) ;
29.    */
30.   
31.   /*
32.    * The library uses the window's port temporarily through SetPortBits;
33.    * that means you shouldn't do any funky things to the clipping region
34.    * etc. Actually, you shouldn't even resize the window, as that will clip
35.    * new drawing.
36.    *
37.    * Also, if you use this library under Pascal, remember that the string
38.    * passed to add_tty_string() is a "C" style string with NO length byte,
39.    * and a terminating zero byte at the end instead.
40.    */
41.   
42.   #ifndef _H_tty_public
43.   # define _H_tty_public
44.   
45.   #include <Windows.h>
46.   #include <QDOffscreen.h>
47.   #include <Fonts.h>
48.   #include <Memory.h>
49.   #include <OSUtils.h>
50.   #include <Errors.h>
51.   #include <GestaltEqu.h>
52.   #include <Palettes.h>
53.   #include <Desk.h>
54.   #include <DiskInit.h>
55.   #include <OSEvents.h>
56.   
57.   
58.   /*
59.    * If you export this library to Pascal, which doesn't have vsprintf
60.    * to rely on, you will need to change this define to 0
61.    */
62.   #define PRINTF_TTY 1
63.   /*
64.    * If you want the functions getchar_tty and gets_tty, you have to define
65.    * this. Currently not supported.
66.    */
67.   #define TTY_INPUT 0
68.   /*
69.    * If you want some fancy operations that not a normal TTY device normally
70.    * supports, use EXTENDED_SUPPORT. For frames, area erases and area scrolls,
71.    * plus bitmap graphics - RESOLUTION DEPENDENT, be sure to call
72.    * get_tty_metrics and use those limits.
73.    */
74.   #define EXTENDED_SUPPORT 1
75.   /*
76.    * if you print a lot of single characters, accumulating each one in a
77.    * clipping region will take too much time. Instead, define this, which
78.    * will clip in rects.
79.    */
80.   #define CLIP_RECT_ONLY 1
81.   
82.   typedef enum tty_attrib {
83.   
84.   /*
85.    * Flags relating to the general functioning of the window.
86.    * These flags are passed at create_tty time, and changing them
87.    * later will clear the screen.
88.    */
89.   	TTY_ATTRIB_FLAGS ,
90.   /*
91.    * When using proportional fonts, this will place each character
92.    * separately, ensuring aligned columns (but looking ugly and taking
93.    * time)
94.    */
95.   # define TA_MOVE_EACH_CHAR 1L
96.   /*
97.    * This means draw each change as it occurs instead of collecting the area
98.    * and draw it all at once at update_tty() - slower, but more reliable.
99.    */
100.  # define TA_ALWAYS_REFRESH 2L
101.  /*
102.   * When reaching the right end, we either just stop drawing, or wrap to the
103.   * next line.
104.   */
105.  # define TA_WRAP_AROUND 4L
106.  /*
107.   * Overstrike means that characters are added on top of each other; i e don't
108.   * clear the letter beneath. This is faster, using srcOr under QuickDraw
109.   */
110.  # define TA_OVERSTRIKE 8L
111.  /*
112.   * We may want the window not to scroll when we reach the end line,
113.   * but stop drawing instead.
114.   */
115.  # define TA_INHIBIT_VERT_SCROLL 16L
116.  
117.  /*
118.   * Foreground and background colors. These only affect characters
119.   * drawn by subsequent calls; not what's already there (but it does
120.   * affect clears)
121.   * On b/w screens these do nothing.
122.   */
123.  	TTY_ATTRIB_FOREGROUND ,
124.  	TTY_ATTRIB_BACKGROUND ,
125.  # define TA_RGB_TO_TTY(r) ((((long)((r).red>>8)&0xff)<<16)+\
126.  	(((long)((r).green>>8)&0xff)<<8)+((long)((r).blue>>8)&0xff))
127.  
128.  /*
129.   * Attributes relating to the cursor, and character set mappings
130.   */
131.  	TTY_ATTRIB_CURSOR ,
132.  /*
133.   * Blinking cursor is more noticeable when it's idle
134.   */
135.  # define TA_BLINKING_CURSOR 1L
136.  /*
137.   * When handling input, do we echo characters as they are typed?
138.   */
139.  # define TA_ECHO_INPUT 2L
140.  /*
141.   * Do we return each character code separately, or map delete etc? Note
142.   * that non-raw input means getchar won't return anything until the user
143.   * has typed a return.
144.   */
145.  # define TA_RAW_INPUT 4L
146.  /*
147.   * Do we print every character as it is (including BS, NL and CR!) or do
148.   * do we interpret characters such as NL, BS and CR?
149.   */
150.  # define TA_RAW_OUTPUT 8L
151.  /*
152.   * When getting a NL, do we also move to the left?
153.   */
154.  # define TA_NL_ADD_CR 16L
155.  /*
156.   * When getting a CR, do we also move down?
157.   */
158.  # define TA_CR_ADD_NL 32L
159.  /*
160.   * Wait for input or return what we've got?
161.   */
162.  # define TA_NONBLOCKING_IO 64L
163.  
164.  /*
165.   * A callback function for command keys entered when locked in an input loop.
166.   * Calling convention:
167.   * pascal void callback_function ( EventRecord * event , WindowPtr window ) ;
168.   */
169.  	TTY_COMMAND_KEY_CALLBACK ,
170.  /*
171.   * This function is called to allocate memory for the window. Note that
172.   * create_tty doesn't create any memory (except that created by GetNewWindow)
173.   * but init_tty_name and init_tty_number do allocate memory.
174.   * Calling convention:
175.   * pascal short allocate_memory ( WindowPtr window , void * * to_alloc ,
176.   *     long size ) ;
177.   * should return 0 for success, and error code for fail.
178.   */
179.  	TTY_ALLOCATE_MEMORY_FUNCTION ,
180.  /*
181.   * This is the counterpart to the allocate function, called to free memory.
182.   * Calling convention:
183.   * pascal short free_memory ( WindowPtr window , void * to_free ) ;
184.   * should return 0 for success, and error code for fail.
185.   */
186.  	TTY_FREE_MEMORY_FUNCTION ,
187.  /*
188.   * Use this function to beep, for instance for too large buffer or for
189.   * printing a bell character in non-RAW mode.
190.   * pascal void ( * tty_beep ) ( WindowPtr window ) ;
191.   */
192.   	TTY_BEEP_FUNCTION ,
193.  /*
194.   * Use this macro to cast a function pointer to a tty attribute; this will help
195.   * portability to systems where a function pointer doesn't fit in a long
196.   */
197.  # define TA_ATTRIB_FUNC(x) ((long)(x))
198.  
199.  /*
200.   * This symbolic constant is used to check the number of attributes
201.   */
202.  	TTY_NUMBER_ATTRIBUTES
203.  
204.  } tty_attrib ;
205.  
206.  /*
207.   * Character returned by end-of-file condition
208.   */
209.  # define TTY_EOF -1
210.  
211.  
212.  /*
213.   * Create the window according to a resource WIND template.
214.   * The window pointer pointed to by window should be NULL to
215.   * allocate the window record dynamically, or point to a
216.   * WindowRecord structure already allocated.
217.   *
218.   * Passing in_color means you have to be sure there's color support;
219.   * on the Mac, this means 32bit QuickDraw present, else it will
220.   * crash. Not passing in_color means everything's rendered in
221.   * black & white.
222.   */
223.  extern pascal short create_tty ( WindowPtr * window , short resource_id ,
224.  	Boolean in_color ) ;
225.  
226.  /*
227.   * Use init_tty_name or init_tty_number to initialize a window
228.   * once allocated by create_tty. Size parameters are in characters.
229.   */
230.  extern pascal short init_tty_name ( WindowPtr window ,
231.  	unsigned char * font_name , short font_size , short x_size ,
232.  	short y_size ) ;
233.  extern pascal short init_tty_number ( WindowPtr window , short font_number ,
234.  	short font_size , short x_size , short y_size ) ;
235.  
236.  /*
237.   * Close and deallocate a window and its data
238.   */
239.  extern pascal short destroy_tty ( WindowPtr window ) ;
240.  
241.  /*
242.   * Change the font and font size used in the window for drawing after
243.   * the calls are made. To change the coordinate system, be sure to call
244.   * force_tty_coordinate_system_recalc() - else it may look strange if
245.   * the new font doesn't match the old one.
246.   */
247.  extern pascal short set_tty_font_name ( WindowPtr window ,
248.  	unsigned char * name ) ;
249.  extern pascal short set_tty_font_number ( WindowPtr window , short number ) ;
250.  extern pascal short set_tty_font_size ( WindowPtr window , short size ) ;
251.  extern pascal short force_tty_coordinate_system_recalc ( WindowPtr window ) ;
252.  
253.  /*
254.   * Getting some metrics about the tty and its drawing.
255.   */
256.  extern pascal short get_tty_metrics ( WindowPtr window , short * x_size ,
257.  	short * y_size , short * x_size_pixels , short * y_size_pixels ,
258.  	short * font_number , short * font_size ,
259.  	short * char_width , short * row_height ) ;
260.  
261.  /*
262.   * The basic move cursor function. 0,0 is topleft.
263.   */
264.  extern pascal short move_tty_cursor ( WindowPtr window , short x_pos ,
265.  	short y_pos ) ;
266.  
267.  /*
268.   * Return the location of the tty cursor
269.   */
270.  extern pascal short get_tty_cursor ( WindowPtr window , short * x_pos ,
271.  	short * y_pos ) ;
272.  
273.  /*
274.   * Flush all changes done to a tty to the screen (see TA_ALWAYS_UPDATE above)
275.   */
276.  extern pascal short update_tty ( WindowPtr window ) ;
277.  
278.  /*
279.   * Add a character to the tty and update the cursor position
280.   */
281.  extern pascal short add_tty_char ( WindowPtr window , short character ) ;
282.  
283.  /*
284.   * Add a string of characters to the tty and update the cursor
285.   * position. The string is 0-terminated!
286.   */
287.  extern pascal short add_tty_string ( WindowPtr window , const char * string ) ;
288.  
289.  #if PRINTF_TTY
290.  /*
291.   * The cool, standard C printf function, here for convenience. Requires
292.   * vsprintf in the libraries. Change the PRINTF_TTY define to remove it.
293.   */
294.  extern short printf_tty ( WindowPtr window , const char * format , ... ) ;
295.  #endif
296.  
297.  /*
298.   * Change or read an attribute of the tty. Note that some attribute changes
299.   * may clear the screen. See the above enum and defines for values.
300.   * Attributes can be both function pointers and special flag values.
301.   */
302.  extern pascal short get_tty_attrib ( WindowPtr window , tty_attrib attrib ,
303.  	long * value ) ;
304.  extern pascal short set_tty_attrib ( WindowPtr window , tty_attrib attrib ,
305.  	long value ) ;
306.  
307.  /*
308.   * Scroll the actual TTY image, in characters, positive means up/left
309.   * scroll_tty ( my_tty , 0 , 1 ) means a linefeed. Is always carried out
310.   * directly, regardless of the wait-update setting. Does updates before
311.   * scrolling.
312.   */
313.  extern pascal short scroll_tty ( WindowPtr window , short delta_x ,
314.  	short delta_y ) ;
315.  
316.  /*
317.   * Erase the offscreen bitmap and move the cursor to 0,0. Re-init some window
318.   * values (font etc) Is always carried out directly on-screen, regardless of
319.   * the wait-for-update setting. Clears update area.
320.   */
321.  extern pascal short clear_tty ( WindowPtr window ) ;
322.  
323.  /*
324.   * We changed our mind about the size we want to draw in - in characters.
325.   * You need to change the window size separately with SizeWindow.
326.   */
327.  extern pascal short resize_tty_area ( WindowPtr window , short x_size ,
328.  	short y_size ) ;
329.  
330.  /*
331.   * Call this function after calling WaitNextEvent in your program. It will
332.   * return 0 if this was an event handled by the tty window, and you can go
333.   * right back to calling WaitNextEvent. Non-0 means you handle the event.
334.   */
335.  extern pascal short handle_tty_event ( WindowPtr window ,
336.  	EventRecord * event ) ;
337.  
338.  /*
339.   * For screen dumps, open the printer port and call this function. Can be used
340.   * for clipboard as well (only for a PICT, though; this library doesn't concern
341.   * itself with characters, just bitmaps)
342.   */
343.  extern pascal short image_tty ( WindowPtr window ) ;
344.  
345.  #if TTY_INPUT
346.  /*
347.   * Enter an internal event loop to read a character, that is returned in the
348.   * character parameter. Note that several callback attributes may be called
349.   * here to handle events the tty cannot handle itself. To handle command keys,
350.   * you can install a command key handler. Note that if input isn't raw, you
351.   * will not get any input until return is pressed.
352.   */
353.  extern pascal short getchar_tty ( WindowPtr window , short * character ) ;
354.  
355.  /*
356.   * Read an entire string, bounded by the length specified.
357.   */
358.  extern pascal short gets_tty ( WindowPtr window , char * buffer ,
359.  	short buffer_length ) ;
360.  
361.  #endif /* TTY_INPUT */
362.  
363.  #if EXTENDED_SUPPORT
364.  
365.  /*
366.   * Various versions of delete character/s, insert line/s etc can be handled by
367.   * this general-purpose function. Negative num_ means delete, positive means
368.   * insert, and you can never be sure which of row and col operations come first
369.   * if you specify both...
370.   */
371.  extern pascal short mangle_tty_rows_columns ( WindowPtr window ,
372.  	short from_row , short num_rows , short from_col , short num_cols ) ;
373.  
374.  /*
375.   * For erasing just an area of characters
376.   */
377.  extern pascal short clear_tty_window ( WindowPtr window , short from_row ,
378.  	short from_col , short to_row , short to_col ) ;
379.  
380.  /*
381.   * For framing an area without using grahpics characters.
382.   * Note that the given limits are those used for framing, you should not
383.   * draw in them. frame_fatness should typically be 1-5, and may be clipped
384.   * if it is too large.
385.   */
386.  extern pascal short frame_tty_window ( WindowPtr window , short from_row ,
387.  	short from_col , short to_row , short to_col , short frame_fatness ) ;
388.  
389.  /*
390.   * For inverting specific characters after the fact. May look funny in color.
391.   */
392.  extern pascal short invert_tty_window ( WindowPtr window , short from_row ,
393.  	short from_col , short to_row , short to_col ) ;
394.  
395.  /*
396.   * For drawing lines on the tty - VERY DEVICE DEPENDENT. Use get_tty_metrics.
397.   */
398.  extern pascal short draw_tty_line ( WindowPtr window , short from_x ,
399.  	short from_y , short to_x , short to_y ) ;
400.  
401.  #endif /* EXTENDED_SUPPORT */
402.  
403.  #endif /* _H_tty_public */

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