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patch 9.0.0918: MS-Windows: modifier keys do not work with mouse scroll event

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Problem:    MS-Windows: modifier keys do not work with mouse scroll events.
Solution:   Use K_SPECIAL instead of CSI for the modifier keys. (Christopher
            Plewright, closes #11587)
This commit is contained in:
Christopher Plewright 2022-11-22 12:58:27 +00:00 committed by Bram Moolenaar
parent 35fc61cb5b
commit 0319306f20
4 changed files with 27 additions and 29 deletions
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30
src/getchar.c
View File

@ -1743,11 +1743,9 @@ vgetc(void)
--allow_keys;
}
// Get two extra bytes for special keys
// Get two extra bytes for special keys, handle modifiers.
if (c == K_SPECIAL
#if defined(FEAT_GUI) || defined(MSWIN)
// GUI codes start with CSI; MS-Windows sends mouse scroll
// events with CSI.
#ifdef FEAT_GUI
|| c == CSI
#endif
)
@ -2520,32 +2518,12 @@ handle_mapping(
&& State != MODE_CONFIRM
&& !at_ins_compl_key())
{
#if defined(FEAT_GUI) || defined(MSWIN)
if (tb_c1 == CSI
# if !defined(MSWIN)
&& gui.in_use
# endif
&& typebuf.tb_len >= 2
&& (typebuf.tb_buf[typebuf.tb_off + 1] == KS_MODIFIER
# if defined(MSWIN)
|| (typebuf.tb_len >= 3
#ifdef FEAT_GUI
&& !gui.in_use
# endif
&& typebuf.tb_buf[typebuf.tb_off + 1] == KS_EXTRA
&& (typebuf.tb_buf[typebuf.tb_off + 2] == KE_MOUSEUP
|| typebuf.tb_buf[typebuf.tb_off + 2] == KE_MOUSEDOWN
|| typebuf.tb_buf[typebuf.tb_off + 2] == KE_MOUSELEFT
|| typebuf.tb_buf[typebuf.tb_off + 2] == KE_MOUSERIGHT)
)
# endif
)
)
if (gui.in_use && tb_c1 == CSI && typebuf.tb_len >= 2
&& typebuf.tb_buf[typebuf.tb_off + 1] == KS_MODIFIER)
{
// The GUI code sends CSI KS_MODIFIER {flags}, but mappings expect
// K_SPECIAL KS_MODIFIER {flags}.
// MS-Windows sends mouse scroll events CSI KS_EXTRA {what}, but
// non-GUI mappings expect K_SPECIAL KS_EXTRA {what}.
tb_c1 = K_SPECIAL;
}
#endif

3
src/os_win32.c
View File

@ -2047,7 +2047,8 @@ mch_inchar(
{
if (modifiers > 0)
{
typeahead[typeaheadlen++] = CSI;
// use K_SPECIAL instead of CSI to make mappings work
typeahead[typeaheadlen++] = K_SPECIAL;
typeahead[typeaheadlen++] = KS_MODIFIER;
typeahead[typeaheadlen++] = modifiers;
}

19
src/term.c
View File

@ -5125,7 +5125,7 @@ handle_csi(
csi_len, offset, buf, bufsize, buflen);
}
// Key without modifier (bad Kitty may send this):
// Key without modifier (Kitty sends this for Esc):
// {lead}{key}u
else if (argc == 1 && trail == 'u')
{
@ -5456,6 +5456,23 @@ check_termcode(
}
else
#endif // FEAT_GUI
#ifdef MSWIN
if (len >= 3 && tp[0] == CSI && tp[1] == KS_EXTRA
&& (tp[2] == KE_MOUSEUP
|| tp[2] == KE_MOUSEDOWN
|| tp[2] == KE_MOUSELEFT
|| tp[2] == KE_MOUSERIGHT))
{
// MS-Windows console sends mouse scroll events encoded:
// - CSI
// - KS_EXTRA
// - {KE_MOUSE[UP|DOWN|LEFT|RIGHT]}
slen = 3;
key_name[0] = tp[1];
key_name[1] = tp[2];
}
else
#endif
{
int mouse_index_found = -1;

2
src/version.c
View File

@ -695,6 +695,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
918,
/**/
917,
/**/