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Sync OpenBSD patchset 189:

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Change mode key bindings from big switches into a set of tables. Rather than
lumping them all together, split editing keys from those used in choice/more
mode and those for copy/scroll mode.

Tidier and clearer, and the first step towards customisable mode keys.
This commit is contained in:
Tiago Cunha
2009-07-28 22:55:59 +00:00
parent 1880b83c37
commit 920b9c5872
7 changed files with 323 additions and 281 deletions
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352
mode-key.c
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@@ -1,4 +1,4 @@
/* $Id: mode-key.c,v 1.18 2009-07-28 22:49:26 tcunha Exp $ */
/* $Id: mode-key.c,v 1.19 2009-07-28 22:55:59 tcunha Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -20,198 +20,182 @@
#include "tmux.h"
enum mode_key_cmd mode_key_lookup_vi(struct mode_key_data *, int);
enum mode_key_cmd mode_key_lookup_emacs(struct mode_key_data *, int);
/* vi editing keys. */
const struct mode_key_entry mode_key_vi_edit[] = {
{ '\003' /* C-c */, 0, MODEKEYEDIT_CANCEL },
{ '\010' /* C-h */, 0, MODEKEYEDIT_BACKSPACE },
{ '\011' /* Tab */, 0, MODEKEYEDIT_COMPLETE },
{ '\033' /* Escape */, 0, MODEKEYEDIT_SWITCHMODE },
{ '\r', 0, MODEKEYEDIT_ENTER },
{ KEYC_BSPACE, 0, MODEKEYEDIT_BACKSPACE },
{ KEYC_DC, 0, MODEKEYEDIT_DELETE },
{ '$', 1, MODEKEYEDIT_ENDOFLINE },
{ '0', 1, MODEKEYEDIT_STARTOFLINE },
{ 'D', 1, MODEKEYEDIT_DELETETOENDOFLINE },
{ '\003' /* C-c */, 1, MODEKEYEDIT_CANCEL },
{ '\010' /* C-h */, 1, MODEKEYEDIT_BACKSPACE },
{ '\r', 1, MODEKEYEDIT_ENTER },
{ '^', 1, MODEKEYEDIT_STARTOFLINE },
{ 'a', 1, MODEKEYEDIT_SWITCHMODEAPPEND },
{ 'h', 1, MODEKEYEDIT_CURSORLEFT },
{ 'i', 1, MODEKEYEDIT_SWITCHMODE },
{ 'j', 1, MODEKEYEDIT_HISTORYDOWN },
{ 'k', 1, MODEKEYEDIT_HISTORYUP },
{ 'l', 1, MODEKEYEDIT_CURSORRIGHT },
{ 'p', 1, MODEKEYEDIT_PASTE },
{ KEYC_BSPACE, 1, MODEKEYEDIT_BACKSPACE },
{ KEYC_DC, 1, MODEKEYEDIT_DELETE },
{ KEYC_DOWN, 1, MODEKEYEDIT_HISTORYDOWN },
{ KEYC_LEFT, 1, MODEKEYEDIT_CURSORLEFT },
{ KEYC_RIGHT, 1, MODEKEYEDIT_CURSORRIGHT },
{ KEYC_UP, 1, MODEKEYEDIT_HISTORYUP },
{ 0, -1, 0 }
};
/* vi choice selection keys. */
const struct mode_key_entry mode_key_vi_choice[] = {
{ '\003' /* C-c */, 0, MODEKEYCHOICE_CANCEL },
{ '\r', 0, MODEKEYCHOICE_CHOOSE },
{ 'j', 0, MODEKEYCHOICE_DOWN },
{ 'k', 0, MODEKEYCHOICE_UP },
{ 'q', 0, MODEKEYCHOICE_CANCEL },
{ KEYC_DOWN, 0, MODEKEYCHOICE_DOWN },
{ KEYC_NPAGE, 0, MODEKEYCHOICE_PAGEDOWN },
{ KEYC_PPAGE, 0, MODEKEYCHOICE_PAGEUP },
{ KEYC_UP, 0, MODEKEYCHOICE_UP },
{ 0, -1, 0 }
};
/* vi copy mode keys. */
const struct mode_key_entry mode_key_vi_copy[] = {
{ ' ', 0, MODEKEYCOPY_STARTSELECTION },
{ '$', 0, MODEKEYCOPY_ENDOFLINE },
{ '0', 0, MODEKEYCOPY_STARTOFLINE },
{ '\003' /* C-c */, 0, MODEKEYCOPY_QUIT },
{ '\006' /* C-f */, 0, MODEKEYCOPY_NEXTPAGE },
{ '\010' /* C-h */, 0, MODEKEYCOPY_LEFT },
{ '\025' /* C-u */, 0, MODEKEYCOPY_PREVIOUSPAGE },
{ '\033' /* Escape */, 0, MODEKEYCOPY_CLEARSELECTION },
{ '\r', 0, MODEKEYCOPY_COPYSELECTION },
{ '^', 0, MODEKEYCOPY_BACKTOINDENTATION },
{ 'b', 0, MODEKEYCOPY_PREVIOUSWORD },
{ 'h', 0, MODEKEYCOPY_LEFT },
{ 'j', 0, MODEKEYCOPY_DOWN },
{ 'k', 0, MODEKEYCOPY_UP },
{ 'l', 0, MODEKEYCOPY_RIGHT },
{ 'q', 0, MODEKEYCOPY_QUIT },
{ 'w', 0, MODEKEYCOPY_NEXTWORD },
{ KEYC_BSPACE, 0, MODEKEYCOPY_LEFT },
{ KEYC_DOWN, 0, MODEKEYCOPY_DOWN },
{ KEYC_LEFT, 0, MODEKEYCOPY_LEFT },
{ KEYC_NPAGE, 0, MODEKEYCOPY_NEXTPAGE },
{ KEYC_PPAGE, 0, MODEKEYCOPY_PREVIOUSPAGE },
{ KEYC_RIGHT, 0, MODEKEYCOPY_RIGHT },
{ KEYC_UP, 0, MODEKEYCOPY_UP },
{ 0, -1, 0 }
};
/* emacs editing keys. */
const struct mode_key_entry mode_key_emacs_edit[] = {
{ '\001' /* C-a */, 0, MODEKEYEDIT_STARTOFLINE },
{ '\002' /* C-p */, 0, MODEKEYEDIT_CURSORLEFT },
{ '\004' /* C-d */, 0, MODEKEYEDIT_DELETE },
{ '\005' /* C-e */, 0, MODEKEYEDIT_ENDOFLINE },
{ '\006' /* C-f */, 0, MODEKEYEDIT_CURSORRIGHT },
{ '\010' /* C-H */, 0, MODEKEYEDIT_BACKSPACE },
{ '\011' /* Tab */, 0, MODEKEYEDIT_COMPLETE },
{ '\013' /* C-k */, 0, MODEKEYEDIT_DELETETOENDOFLINE },
{ '\016' /* C-n */, 0, MODEKEYEDIT_HISTORYDOWN },
{ '\020' /* C-p */, 0, MODEKEYEDIT_HISTORYUP },
{ '\031' /* C-y */, 0, MODEKEYEDIT_PASTE },
{ '\r', 0, MODEKEYEDIT_ENTER },
{ 'm' | KEYC_ESCAPE, 0, MODEKEYEDIT_STARTOFLINE },
{ KEYC_BSPACE, 0, MODEKEYEDIT_BACKSPACE },
{ KEYC_DC, 0, MODEKEYEDIT_DELETE },
{ KEYC_DOWN, 0, MODEKEYEDIT_HISTORYDOWN },
{ KEYC_LEFT, 0, MODEKEYEDIT_CURSORLEFT },
{ KEYC_RIGHT, 0, MODEKEYEDIT_CURSORRIGHT },
{ KEYC_UP, 0, MODEKEYEDIT_HISTORYUP },
{ 0, -1, 0 }
};
/* emacs choice selection keys. */
const struct mode_key_entry mode_key_emacs_choice[] = {
{ '\003' /* C-c */, 0, MODEKEYCHOICE_CANCEL },
{ '\033' /* Escape */, 0, MODEKEYCHOICE_CANCEL },
{ '\r', 0, MODEKEYCHOICE_CHOOSE },
{ 'q', 0, MODEKEYCHOICE_CANCEL },
{ KEYC_DOWN, 0, MODEKEYCHOICE_DOWN },
{ KEYC_NPAGE, 0, MODEKEYCHOICE_PAGEDOWN },
{ KEYC_PPAGE, 0, MODEKEYCHOICE_PAGEUP },
{ KEYC_UP, 0, MODEKEYCHOICE_UP },
{ 0, -1, 0 }
};
/* emacs copy mode keys. */
const struct mode_key_entry mode_key_emacs_copy[] = {
{ ' ', 0, MODEKEYCOPY_NEXTPAGE },
{ '\000' /* C-Space */, 0, MODEKEYCOPY_STARTSELECTION },
{ '\001' /* C-a */, 0, MODEKEYCOPY_STARTOFLINE },
{ '\002' /* C-b */, 0, MODEKEYCOPY_LEFT },
{ '\003' /* C-c */, 0, MODEKEYCOPY_QUIT },
{ '\005' /* C-e */, 0, MODEKEYCOPY_ENDOFLINE },
{ '\006' /* C-f */, 0, MODEKEYCOPY_RIGHT },
{ '\007' /* C-g */, 0, MODEKEYCOPY_CLEARSELECTION },
{ '\016' /* C-n */, 0, MODEKEYCOPY_DOWN },
{ '\020' /* C-p */, 0, MODEKEYCOPY_UP },
{ '\026' /* C-v */, 0, MODEKEYCOPY_NEXTPAGE },
{ '\027' /* C-w */, 0, MODEKEYCOPY_COPYSELECTION },
{ '\033' /* Escape */, 0, MODEKEYCOPY_QUIT },
{ 'b' | KEYC_ESCAPE, 0, MODEKEYCOPY_PREVIOUSWORD },
{ 'f' | KEYC_ESCAPE, 0, MODEKEYCOPY_NEXTWORD },
{ 'm' | KEYC_ESCAPE, 0, MODEKEYCOPY_BACKTOINDENTATION },
{ 'q', 0, MODEKEYCOPY_QUIT },
{ 'v' | KEYC_ESCAPE, 0, MODEKEYCOPY_PREVIOUSPAGE },
{ 'w' | KEYC_ESCAPE, 0, MODEKEYCOPY_COPYSELECTION },
{ KEYC_DOWN, 0, MODEKEYCOPY_DOWN },
{ KEYC_LEFT, 0, MODEKEYCOPY_LEFT },
{ KEYC_NPAGE, 0, MODEKEYCOPY_NEXTPAGE },
{ KEYC_PPAGE, 0, MODEKEYCOPY_PREVIOUSPAGE },
{ KEYC_RIGHT, 0, MODEKEYCOPY_RIGHT },
{ KEYC_UP, 0, MODEKEYCOPY_UP },
{ 0, -1, 0 }
};
void
mode_key_init(struct mode_key_data *mdata, int type, int flags)
mode_key_init(struct mode_key_data *mdata, const struct mode_key_entry *table)
{
mdata->type = type;
if (flags & MODEKEY_CANEDIT)
flags |= MODEKEY_EDITMODE;
mdata->flags = flags;
mdata->table = table;
mdata->mode = 0;
}
enum mode_key_cmd
mode_key_lookup(struct mode_key_data *mdata, int key)
{
switch (mdata->type) {
case MODEKEY_VI:
return (mode_key_lookup_vi(mdata, key));
case MODEKEY_EMACS:
return (mode_key_lookup_emacs(mdata, key));
default:
fatalx("unknown mode key type");
}
}
const struct mode_key_entry *ment;
int mode;
enum mode_key_cmd
mode_key_lookup_vi(struct mode_key_data *mdata, int key)
{
if (key & KEYC_ESCAPE) {
key &= ~KEYC_ESCAPE;
if (mdata->flags & MODEKEY_CANEDIT)
mdata->flags ^= MODEKEY_EDITMODE;
}
if (mdata->flags & MODEKEY_EDITMODE) {
switch (key) {
case '\003':
return (MODEKEYCMD_QUIT);
case '\033':
if (mdata->flags & MODEKEY_CANEDIT)
mdata->flags &= ~MODEKEY_EDITMODE;
return (MODEKEYCMD_NONE);
case '\010':
case KEYC_BSPACE:
return (MODEKEYCMD_BACKSPACE);
case '\011':
return (MODEKEYCMD_COMPLETE);
case KEYC_DC:
return (MODEKEYCMD_DELETE);
case '\r':
return (MODEKEYCMD_CHOOSE);
mode = mdata->mode;
for (ment = mdata->table; ment->mode != -1; ment++) {
if (ment->mode == mode && key == ment->key) {
switch (ment->cmd) {
case MODEKEYEDIT_SWITCHMODE:
case MODEKEYEDIT_SWITCHMODEAPPEND:
mdata->mode = 1 - mdata->mode;
/* FALLTHROUGH */
default:
return (ment->cmd);
}
}
return (MODEKEYCMD_OTHERKEY);
}
switch (key) {
case '\010':
case KEYC_BSPACE:
return (MODEKEYCMD_LEFT);
case KEYC_DC:
return (MODEKEYCMD_DELETE);
case '\011':
return (MODEKEYCMD_COMPLETE);
case 'i':
if (mdata->flags & MODEKEY_CANEDIT)
mdata->flags |= MODEKEY_EDITMODE;
break;
case 'a':
if (mdata->flags & MODEKEY_CANEDIT) {
mdata->flags |= MODEKEY_EDITMODE;
return (MODEKEYCMD_RIGHT);
}
break;
case '\r':
if (mdata->flags & (MODEKEY_CANEDIT|MODEKEY_CHOOSEMODE))
return (MODEKEYCMD_CHOOSE);
return (MODEKEYCMD_COPYSELECTION);
case '0':
return (MODEKEYCMD_STARTOFLINE);
case '^':
return (MODEKEYCMD_BACKTOINDENTATION);
case '\033':
return (MODEKEYCMD_CLEARSELECTION);
case 'C':
if (mdata->flags & MODEKEY_CANEDIT)
mdata->flags |= MODEKEY_EDITMODE;
return (MODEKEYCMD_DELETETOENDOFLINE);
case 'D':
return (MODEKEYCMD_DELETETOENDOFLINE);
case 'j':
case KEYC_DOWN:
return (MODEKEYCMD_DOWN);
case '$':
return (MODEKEYCMD_ENDOFLINE);
case 'h':
case KEYC_LEFT:
return (MODEKEYCMD_LEFT);
case '\006':
case KEYC_NPAGE:
return (MODEKEYCMD_NEXTPAGE);
case 'w':
return (MODEKEYCMD_NEXTWORD);
case '\025':
case KEYC_PPAGE:
return (MODEKEYCMD_PREVIOUSPAGE);
case 'b':
return (MODEKEYCMD_PREVIOUSWORD);
case 'q':
case '\003':
return (MODEKEYCMD_QUIT);
case 'l':
case KEYC_RIGHT:
return (MODEKEYCMD_RIGHT);
case ' ':
return (MODEKEYCMD_STARTSELECTION);
case 'k':
case KEYC_UP:
return (MODEKEYCMD_UP);
case 'p':
return (MODEKEYCMD_PASTE);
}
return (MODEKEYCMD_NONE);
}
enum mode_key_cmd
mode_key_lookup_emacs(struct mode_key_data *mdata, int key)
{
switch (key) {
case '\010':
case KEYC_BSPACE:
return (MODEKEYCMD_BACKSPACE);
case '\004':
case KEYC_DC:
return (MODEKEYCMD_DELETE);
case '\011':
return (MODEKEYCMD_COMPLETE);
case '\r':
return (MODEKEYCMD_CHOOSE);
case '\001':
return (MODEKEYCMD_STARTOFLINE);
case 'm' | KEYC_ESCAPE:
return (MODEKEYCMD_BACKTOINDENTATION);
case '\007':
return (MODEKEYCMD_CLEARSELECTION);
case '\027':
case 'w' | KEYC_ESCAPE:
return (MODEKEYCMD_COPYSELECTION);
case '\013':
return (MODEKEYCMD_DELETETOENDOFLINE);
case '\016':
case KEYC_DOWN:
return (MODEKEYCMD_DOWN);
case '\005':
return (MODEKEYCMD_ENDOFLINE);
case '\002':
case KEYC_LEFT:
return (MODEKEYCMD_LEFT);
case ' ':
if (mdata->flags & MODEKEY_CANEDIT)
break;
/* FALLTHROUGH */
case '\026':
case KEYC_NPAGE:
return (MODEKEYCMD_NEXTPAGE);
case 'f' | KEYC_ESCAPE:
return (MODEKEYCMD_NEXTWORD);
case '\031':
return (MODEKEYCMD_PASTE);
case 'v' | KEYC_ESCAPE:
case KEYC_PPAGE:
return (MODEKEYCMD_PREVIOUSPAGE);
case 'b' | KEYC_ESCAPE:
return (MODEKEYCMD_PREVIOUSWORD);
case '\006':
case KEYC_RIGHT:
return (MODEKEYCMD_RIGHT);
case '\000':
return (MODEKEYCMD_STARTSELECTION);
case '\020':
case KEYC_UP:
return (MODEKEYCMD_UP);
case 'q':
if (mdata->flags & MODEKEY_CANEDIT)
break;
/* FALLTHROUGH */
case '\003':
case '\033':
return (MODEKEYCMD_QUIT);
}
return (MODEKEYCMD_OTHERKEY);
if (mode != 0)
return (MODEKEY_NONE);
return (MODEKEY_OTHER);
}