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ui: make 'mouse' handling in external UI more consistent

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before the behaviour of 'mouse' was inconsistent in external UI,
as some remapping logic would check has_mouse() and others don't
(no difference in TUI or vim classic). With this change, the behaviour
is consistently up to the UI decide (see ui.txt edit)

Behaviour of tui.c is unaffected by this change.
This commit is contained in:
Björn Linse
2020-12-23 17:13:13 +01:00
parent d0668b36a3
commit 6db86cb2d3
10 changed files with 106 additions and 93 deletions
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46
src/nvim/mouse.c
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@@ -526,53 +526,9 @@ static win_T *mouse_find_grid_win(int *gridp, int *rowp, int *colp)
void setmouse(void)
{
ui_cursor_shape();
// Be quick when mouse is off.
if (*p_mouse == NUL) {
return;
}
int checkfor = MOUSE_NORMAL; // assume normal mode
if (VIsual_active) {
checkfor = MOUSE_VISUAL;
} else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE) {
checkfor = MOUSE_RETURN;
} else if (State & INSERT) {
checkfor = MOUSE_INSERT;
} else if (State & CMDLINE) {
checkfor = MOUSE_COMMAND;
} else if (State == CONFIRM || State == EXTERNCMD) {
checkfor = ' '; // don't use mouse for ":confirm" or ":!cmd"
}
if (mouse_has(checkfor)) {
ui_call_mouse_on();
} else {
ui_call_mouse_off();
}
ui_check_mouse();
}
/*
* Return true if
* - "c" is in 'mouse', or
* - 'a' is in 'mouse' and "c" is in MOUSE_A, or
* - the current buffer is a help file and 'h' is in 'mouse' and we are in a
* normal editing mode (not at hit-return message).
*/
int mouse_has(int c)
{
for (char_u *p = p_mouse; *p; ++p)
switch (*p) {
case 'a': if (vim_strchr((char_u *)MOUSE_A, c) != NULL)
return true;
break;
case MOUSE_HELP: if (c != MOUSE_RETURN && curbuf->b_help)
return true;
break;
default: if (c == *p) return true; break;
}
return false;
}
// Set orig_topline. Used when jumping to another window, so that a double
// click still works.