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mouse_support for win/curses using ncurses

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PatR
2019-06-26 15:46:44 -07:00
parent fa4f9bb8ae
commit aada9e2706
5 changed files with 55 additions and 4 deletions
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51
win/curses/cursmisc.c
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@@ -885,11 +885,36 @@ curses_get_mouse(int *mousex, int *mousey, int *mod)
MEVENT event;
if (getmouse(&event) == OK) { /* When the user clicks left mouse button */
if (event.bstate & BUTTON1_CLICKED) {
if (event.bstate & (BUTTON1_CLICKED | BUTTON2_CLICKED)) {
/*
* The ncurses man page documents wmouse_trafo() incorrectly.
* It says that last argument 'TRUE' translates from screen
* to window and 'FALSE' translates from window to screen,
* but those are backwards. The mouse_trafo() macro calls
* last argument 'to_screen', suggesting that the backwards
* implementation is the intended behavior and the man page
* is describing it wrong.
*/
/* See if coords are in map window & convert coords */
if (wmouse_trafo(mapwin, &event.y, &event.x, TRUE)) {
if (wmouse_trafo(mapwin, &event.y, &event.x,
#ifdef PDCURSES
/*
* Not sure whether PDCurses matches the ncurses implementation
* or the ncurses documentation, so keep the 'bad' argument for
* it until we find out. [Mouse can be used successfully with
* 'bad' coordinate translation via align_message:bottom (and
* avoiding align_status:left) so that the subset of the screen
* corresponding to the map needs no translation. Adding instead
* of subtracting or vice versa makes no difference when amount
* involved is 0.]
*/
TRUE
#else
FALSE
#endif
)) {
key = 0; /* Flag mouse click */
*mousex = event.x;
*mousex = event.x + 1; /* +1: screen 0..78 is map 1..79 */
*mousey = event.y;
if (curses_window_has_border(MAP_WIN)) {
@@ -897,7 +922,7 @@ curses_get_mouse(int *mousex, int *mousey, int *mod)
(*mousey)--;
}
*mod = CLICK_1;
*mod = (event.bstate & BUTTON1_CLICKED) ? CLICK_1 : CLICK_2;
}
}
}
@@ -906,6 +931,24 @@ curses_get_mouse(int *mousex, int *mousey, int *mod)
return key;
}
void
curses_mouse_support(mode)
int mode; /* 0: off, 1: on, 2: alternate on */
{
#ifdef NCURSES_MOUSE_VERSION
mmask_t result, oldmask, newmask;
if (!mode)
newmask = 0;
else
newmask = BUTTON1_CLICKED | BUTTON2_CLICKED;
result = mousemask(newmask, &oldmask);
nhUse(result);
#else
nhUse(mode);
#endif
}
static int
parse_escape_sequence(void)