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Making Ctrl+Left and Ctrl+Right work on more terminals by asking 

ncurses for the keycodes.  This addresses Debian bug #800681.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5434 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
master
Benno Schulenberg 2015-11-23 08:52:23 +00:00
parent 72caa54020
commit f08d79d204
6 changed files with 33 additions and 14 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2015-11-23 Benno Schulenberg <bensberg@justemail.net>
* src/nano.c (main), src/winio.c (parse_kbinput): Make Ctrl+Left and
Ctrl+Right work on more terminals by asking ncurses for the keycodes.
This addresses Debian bug #800681 reported by Arturo Borrero González.
2015-11-22 Benno Schulenberg <bensberg@justemail.net>
* src/text.c (add_undo): Delete a condition that will never occur --
this function is only ever called with PASTE when cutbuffer != NULL.

5
src/global.c
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@ -41,6 +41,11 @@ bool func_key;
bool focusing = FALSE;
/* Whether an update of the edit window should center the cursor. */
#ifndef NANO_TINY
int controlleft = CONTROL_LEFT;
int controlright = CONTROL_RIGHT;
#endif
#ifndef DISABLE_WRAPJUSTIFY
ssize_t fill = 0;
/* The column where we will wrap lines. */

8
src/nano.c
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@ -2712,6 +2712,14 @@ int main(int argc, char **argv)
interface_color_pair[FUNCTION_TAG].bright = FALSE;
#endif
#if !defined(NANO_TINY) && !defined(USE_SLANG)
/* Ask ncurses for the key codes for Control+Left and Control+Right. */
if ((int)tigetstr("kLFT5") > 0)
controlleft = key_defined(tigetstr("kLFT5"));
if ((int)tigetstr("kRIT5") > 0)
controlright = key_defined(tigetstr("kRIT5"));
#endif
#ifdef DEBUG
fprintf(stderr, "Main: open file\n");
#endif

7
src/nano.h
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@ -548,10 +548,9 @@ enum
#define NANO_CONTROL_7 31
#define NANO_CONTROL_8 127
/* Codes for "modified" Arrow keys. Chosen like this because some
* terminals produce them, and they are beyond KEY_MAX of ncurses. */
#define CONTROL_LEFT 539
#define CONTROL_RIGHT 554
/* Codes for "modified" Arrow keys, beyond KEY_MAX of ncurses. */
#define CONTROL_LEFT 0x401
#define CONTROL_RIGHT 0x402
#ifndef NANO_TINY
/* An imaginary key for when we get a SIGWINCH (window resize). */

5
src/proto.h
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@ -35,6 +35,11 @@ extern bool meta_key;
extern bool func_key;
extern bool focusing;
#ifndef NANO_TINY
extern int controlleft;
extern int controlright;
#endif
#ifndef DISABLE_WRAPJUSTIFY
extern ssize_t fill;
extern ssize_t wrap_at;

17
src/winio.c
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@ -634,16 +634,6 @@ int parse_kbinput(WINDOW *win)
retval = ERR;
break;
#endif
case CONTROL_LEFT:
#ifndef NANO_TINY
retval = sc_seq_or(do_prev_word_void, 0);
#endif
break;
case CONTROL_RIGHT:
#ifndef NANO_TINY
retval = sc_seq_or(do_next_word_void, 0);
#endif
break;
#ifndef NANO_TINY
case KEY_WINCH:
retval = KEY_WINCH;
@ -651,6 +641,13 @@ int parse_kbinput(WINDOW *win)
#endif
}
#ifndef NANO_TINY
if (retval == controlleft)
retval = sc_seq_or(do_prev_word_void, 0);
else if (retval == controlright)
retval = sc_seq_or(do_next_word_void, 0);
#endif
/* If our result is an extended keypad value (i.e. a value
* outside of byte range), set func_key to TRUE. */
if (retval != ERR)