/* If we got a mouse click and it was on a shortcut, read in the
* shortcut character. */
if (*func_key && input == KEY_MOUSE) {
- if (do_statusbar_mouse())
+ if (do_statusbar_mouse() == 1)
input = get_kbinput(bottomwin, meta_key, func_key);
else {
*meta_key = FALSE;
#ifndef DISABLE_MOUSE
/* Handle a mouse click on the statusbar prompt or the shortcut list. */
-bool do_statusbar_mouse(void)
+int do_statusbar_mouse(void)
{
int mouse_x, mouse_y;
- bool retval = get_mouseinput(&mouse_x, &mouse_y, TRUE);
+ int retval = get_mouseinput(&mouse_x, &mouse_y, TRUE);
- if (!retval) {
+ if (retval == 0) {
/* We can click in the statusbar window text to move the
* cursor. */
if (wenclose(bottomwin, mouse_y, mouse_x)) {
break;
#ifndef DISABLE_MOUSE
case KEY_MOUSE:
- get_mouseinput(&mouse_x, &mouse_y, FALSE);
-
- if (wenclose(bottomwin, mouse_y, mouse_x) &&
+ if (get_mouseinput(&mouse_x, &mouse_y, FALSE) == 0 &&
+ wenclose(bottomwin, mouse_y, mouse_x) &&
!ISSET(NO_HELP) && mouse_x < (width * 2) &&
mouse_y - (2 - no_more_space()) -
editwinrows - 1 >= 0) {
int do_input(bool *meta_key, bool *func_key, bool *s_or_t, bool
*ran_func, bool *finished, bool allow_funcs);
#ifndef DISABLE_MOUSE
-bool do_mouse(void);
+int do_mouse(void);
#endif
void do_output(char *output, size_t output_len, bool allow_cntrls);
bool *ran_func, bool *finished, bool allow_funcs, void
(*refresh_func)(void));
#ifndef DISABLE_MOUSE
-bool do_statusbar_mouse(void);
+int do_statusbar_mouse(void);
#endif
void do_statusbar_output(char *output, size_t output_len, bool
*got_enter, bool allow_cntrls);
int *get_verbatim_kbinput(WINDOW *win, size_t *kbinput_len);
int *parse_verbatim_kbinput(WINDOW *win, size_t *kbinput_len);
#ifndef DISABLE_MOUSE
-bool get_mouseinput(int *mouse_x, int *mouse_y, bool allow_shortcuts);
+int get_mouseinput(int *mouse_x, int *mouse_y, bool allow_shortcuts);
#endif
const shortcut *get_shortcut(const shortcut *s_list, int *kbinput, bool
*meta_key, bool *func_key);
#ifndef DISABLE_MOUSE
/* Handle any mouse events that may have occurred. We currently handle
- * releases or clicks of the first mouse button. If allow_shortcuts is
- * TRUE, releasing or clicking on a visible shortcut will put back the
- * keystroke associated with that shortcut. If NCURSES_MOUSE_VERSION is
- * at least 2, we also currently handle presses of the fourth mouse
- * button (upward rolls of the mouse wheel) by putting back the
- * keystrokes to move up, and presses of the fifth mouse button
- * (downward rolls of the mouse wheel) by putting back the keystrokes to
- * move down. Return FALSE if we don't put back any keystrokes in the
- * course of handling mouse events, or TRUE if we do. Assume that
- * KEY_MOUSE has already been read in. */
-bool get_mouseinput(int *mouse_x, int *mouse_y, bool allow_shortcuts)
+ * releases of the first mouse button. If allow_shortcuts is TRUE,
+ * releasing on a visible shortcut will put back the keystroke
+ * associated with that shortcut. If NCURSES_MOUSE_VERSION is at least
+ * 2, we also currently handle presses of the fourth mouse button
+ * (upward rolls of the mouse wheel) by putting back the keystrokes to
+ * move up, and presses of the fifth mouse button (downward rolls of the
+ * mouse wheel) by putting back the keystrokes to move down. Return -1
+ * on error, 0 if the mouse event needs to be handled, 1 if it's been
+ * handled by putting back keystrokes that need to be handled. or 2 if
+ * the mouse event is ignored. Assume that KEY_MOUSE has already been
+ * read in. */
+int get_mouseinput(int *mouse_x, int *mouse_y, bool allow_shortcuts)
{
MEVENT mevent;
/* First, get the actual mouse event. */
if (getmouse(&mevent) == ERR)
- return FALSE;
+ return -1;
- /* Handle releases or clicks of the first mouse button. */
- if (mevent.bstate & (BUTTON1_RELEASED | BUTTON1_CLICKED)) {
- /* Save the screen coordinates where the mouse event took
- * place. */
- *mouse_x = mevent.x;
- *mouse_y = mevent.y;
+ /* Save the screen coordinates where the mouse event took place. */
+ *mouse_x = mevent.x;
+ *mouse_y = mevent.y;
+ /* Handle releases of the first mouse button. */
+ if (mevent.bstate & BUTTON1_RELEASED) {
/* If we're allowing shortcuts, the current shortcut list is
* being displayed on the last two lines of the screen, and the
- * mouse event took place inside it, we need to figure out which
- * shortcut was clicked and put back the equivalent keystroke(s)
- * for it. */
+ * first mouse button was pressed inside it, we need to figure
+ * out which shortcut was clicked and put back the equivalent
+ * keystroke(s) for it. */
if (allow_shortcuts && !ISSET(NO_HELP) && wenclose(bottomwin,
*mouse_y, *mouse_x)) {
int i, j;
/* The number of shortcuts in the current shortcut
* list. */
const shortcut *s = currshortcut;
- /* The actual shortcut we clicked on, starting at the
+ /* The actual shortcut we released on, starting at the
* first one in the current shortcut list. */
/* Get the shortcut lists' length. */
* out, and set j to it. */
j = *mouse_y - (2 - no_more_space()) - editwinrows - 1;
- /* If we're on the statusbar, don't do anything. */
+ /* Ignore releases of the first mouse button on the
+ * statusbar. */
if (j < 0)
- return FALSE;
+ return 2;
/* Calculate the x-coordinate relative to the beginning of
* the shortcut list in bottomwin, and add it to j. j
* should now be the index in the shortcut list of the
- * shortcut we clicked. */
+ * shortcut we released on. */
j = (*mouse_x / i) * 2 + j;
- /* Adjust j if we clicked in the last two shortcuts. */
+ /* Adjust j if we released on the last two shortcuts. */
if ((j >= currslen) && (*mouse_x % i < COLS % i))
j -= 2;
- /* If we're beyond the last shortcut, don't do anything. */
+ /* Ignore releases of the first mouse button beyond the last
+ * shortcut. */
if (j >= currslen)
- return FALSE;
+ return 2;
/* Go through the shortcut list to determine which shortcut
- * was clicked. */
+ * we released on. */
for (; j > 0; j--)
s = s->next;
* key, an equivalent primary meta key sequence, or both. */
if (s->ctrlval != NANO_NO_KEY) {
unget_kbinput(s->ctrlval, FALSE, FALSE);
- return TRUE;
+ return 1;
} else if (s->metaval != NANO_NO_KEY) {
unget_kbinput(s->metaval, TRUE, FALSE);
- return TRUE;
+ return 1;
}
} else
- return FALSE;
+ /* Handle releases of the first mouse button that aren't on
+ * the current shortcut list elsewhere. */
+ return 0;
}
#if NCURSES_MOUSE_VERSION >= 2
/* Handle presses of the fourth mouse button (upward rolls of the
- * mouse wheel). */
- else if (mevent.bstate & BUTTON4_PRESSED) {
- int i = 0;
-
- /* One upward roll of the mouse wheel is equivalent to moving up
- * three lines. */
- for (; i < 3; i++)
- unget_kbinput(NANO_PREVLINE_KEY, FALSE, FALSE);
-
- return TRUE;
- /* Handle presses of the fifth mouse button (downward rolls of the
- * mouse wheel). */
- } else if (mevent.bstate & BUTTON5_PRESSED) {
- int i = 0;
-
- /* One downward roll of the mouse wheel is equivalent to moving
- * down three lines. */
- for (; i < 3; i++)
- unget_kbinput(NANO_NEXTLINE_KEY, FALSE, FALSE);
-
- return TRUE;
+ * mouse wheel) and presses of the fifth mouse button (downward
+ * rolls of the mouse wheel) . */
+ else if (mevent.bstate & (BUTTON4_PRESSED | BUTTON5_PRESSED)) {
+ if (wenclose(edit, *mouse_y, *mouse_x) || wenclose(bottomwin,
+ *mouse_y, *mouse_x)) {
+ /* Calculate the y-coordinate relative to the beginning of
+ * the shortcut list in bottomwin, i.e. with the sizes of
+ * topwin, edit, and the first line of bottomwin subtracted
+ * out, and set i to it. */
+ int i = *mouse_y - (2 - no_more_space()) - editwinrows - 1;
+
+ /* Ignore presses of the fourth mouse button and presses of
+ * the fifth mouse button below the statusbar. */
+ if (i >= 0)
+ return 2;
+
+ /* One upward roll of the mouse wheel is equivalent to
+ * moving up three lines, and one downward roll of the mouse
+ * wheel is equivalent to moving down three lines. */
+ for (i = 0; i < 3; i++)
+ unget_kbinput((mevent.bstate & BUTTON4_PRESSED) ?
+ NANO_PREVLINE_KEY : NANO_NEXTLINE_KEY, FALSE,
+ FALSE);
+
+ return 1;
+ } else
+ /* Ignore presses of the fourth mouse button and presses of
+ * the fifth mouse buttons that aren't on the edit window or
+ * the statusbar. */
+ return 2;
}
#endif
else
- return FALSE;
+ /* Ignore all other mouse events. */
+ return 2;
}
#endif /* !DISABLE_MOUSE */
projects / nano.git / commitdiff