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misc1: Refactor ask_yesno()

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ZyX
2016-09-04 04:29:56 +03:00
parent 31a3158d0b
commit 6cc3d59ec8
1 changed files with 27 additions and 22 deletions
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49
src/nvim/misc1.c
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@@ -2211,39 +2211,44 @@ change_warning (
}
}
/*
* Ask for a reply from the user, a 'y' or a 'n'.
* No other characters are accepted, the message is repeated until a valid
* reply is entered or CTRL-C is hit.
* If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters
* from any buffers but directly from the user.
*
* return the 'y' or 'n'
*/
int ask_yesno(const char *str, bool direct)
/// Ask for a reply from the user, 'y' or 'n'
///
/// No other characters are accepted, the message is repeated until a valid
/// reply is entered or <C-c> is hit.
///
/// @param[in] str Prompt: question to ask user. Is always followed by
/// " (y/n)?".
/// @param[in] direct Determines what function to use to get user input. If
/// true then ui_inchar() will be used, otherwise vgetc().
/// I.e. when direct is true then characters are obtained
/// directly from the user without buffers involved.
///
/// @return 'y' or 'n'. Last is also what will be returned in case of interrupt.
int ask_yesno(const char *const str, const bool direct)
{
int r = ' ';
int save_State = State;
const int save_State = State;
no_wait_return++;
State = CONFIRM; // mouse behaves like with :confirm
setmouse(); // disables mouse for xterm
State = CONFIRM; // Mouse behaves like with :confirm.
setmouse(); // Disable mouse in xterm.
no_mapping++;
int r = ' ';
while (r != 'y' && r != 'n') {
/* same highlighting as for wait_return */
smsg_attr(hl_attr(HLF_R),
"%s (y/n)?", str);
if (direct)
// Same highlighting as for wait_return.
smsg_attr(hl_attr(HLF_R), "%s (y/n)?", str);
if (direct) {
r = get_keystroke();
else
} else {
r = plain_vgetc();
if (r == Ctrl_C || r == ESC)
}
if (r == Ctrl_C || r == ESC) {
r = 'n';
msg_putchar(r); /* show what you typed */
}
msg_putchar(r); // Show what you typed.
ui_flush();
}
--no_wait_return;
no_wait_return--;
State = save_State;
setmouse();
no_mapping--;