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Automatically scroll if dragging to create a selection with the mouse 

and the cursor reaches the top or bottom line.
pull/1702/head
nicm 2019-04-25 06:34:57 +00:00
parent 6aa0bedad2
commit 567d3e27ab
1 changed files with 70 additions and 2 deletions
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72
window-copy.c
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@ -116,6 +116,7 @@ static void window_copy_scroll_down(struct window_mode_entry *, u_int);
static void window_copy_rectangle_toggle(struct window_mode_entry *);
static void window_copy_move_mouse(struct mouse_event *);
static void window_copy_drag_update(struct client *, struct mouse_event *);
static void window_copy_drag_release(struct client *, struct mouse_event *);
const struct window_mode window_copy_mode = {
.name = "copy-mode",
@ -231,8 +232,35 @@ struct window_copy_mode_data {
int jumptype;
char jumpchar;
struct event dragtimer;
#define WINDOW_COPY_DRAG_REPEAT_TIME 50000
};
static void
window_copy_scroll_timer(__unused int fd, __unused short events, void *arg)
{
struct window_mode_entry *wme = arg;
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
struct timeval tv = {
.tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
};
evtimer_del(&data->dragtimer);
if (TAILQ_FIRST(&wp->modes) != wme)
return;
if (data->cy == 0) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_up(wme, 1);
} else if (data->cy == screen_size_y(&data->screen) - 1) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_down(wme, 1);
}
}
static struct window_copy_mode_data *
window_copy_common_init(struct window_mode_entry *wme)
{
@ -261,6 +289,8 @@ window_copy_common_init(struct window_mode_entry *wme)
screen_init(&data->screen, screen_size_x(base), screen_size_y(base), 0);
data->modekeys = options_get_number(wp->window->options, "mode-keys");
evtimer_set(&data->dragtimer, window_copy_scroll_timer, wme);
return (data);
}
@ -319,6 +349,8 @@ window_copy_free(struct window_mode_entry *wme)
struct window_pane *wp = wme->wp;
struct window_copy_mode_data *data = wme->data;
evtimer_del(&data->dragtimer);
if (wp->fd != -1 && --wp->disabled == 0)
bufferevent_enable(wp->event, EV_READ|EV_WRITE);
@ -3248,7 +3280,7 @@ window_copy_start_drag(struct client *c, struct mouse_event *m)
return;
c->tty.mouse_drag_update = window_copy_drag_update;
c->tty.mouse_drag_release = NULL; /* will fire MouseDragEnd key */
c->tty.mouse_drag_release = window_copy_drag_release;
window_copy_update_cursor(wme, x, y);
window_copy_start_selection(wme);
@ -3261,7 +3293,10 @@ window_copy_drag_update(struct client *c, struct mouse_event *m)
struct window_pane *wp;
struct window_mode_entry *wme;
struct window_copy_mode_data *data;
u_int x, y, old_cy;
u_int x, y, old_cx, old_cy;
struct timeval tv = {
.tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
};
if (c == NULL)
return;
@ -3272,13 +3307,46 @@ window_copy_drag_update(struct client *c, struct mouse_event *m)
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL || wme->mode != &window_copy_mode)
return;
data = wme->data;
evtimer_del(&data->dragtimer);
if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
return;
old_cx = data->cx;
old_cy = data->cy;
window_copy_update_cursor(wme, x, y);
if (window_copy_update_selection(wme, 1))
window_copy_redraw_selection(wme, old_cy);
if (old_cy != data->cy || old_cx == data->cx) {
if (y == 0) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_up(wme, 1);
} else if (y == screen_size_y(&data->screen) - 1) {
evtimer_add(&data->dragtimer, &tv);
window_copy_cursor_down(wme, 1);
}
}
}
static void
window_copy_drag_release(struct client *c, struct mouse_event *m)
{
struct window_pane *wp;
struct window_mode_entry *wme;
struct window_copy_mode_data *data;
if (c == NULL)
return;
wp = cmd_mouse_pane(m, NULL, NULL);
if (wp == NULL)
return;
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL || wme->mode != &window_copy_mode)
return;
data = wme->data;
evtimer_del(&data->dragtimer);
}