len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-11-09 21:22:39 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

touchscreen: fix smooth scrolling in lists

Browse source 
This fixes those annoying jumps that happen when you hit the end of
a list while scrolling.

Change-Id: I2e41111f9415dce1692b52a2600e7ce77c8f0291
This commit is contained in:
Aidan MacDonald 2021-08-22 01:46:28 +01:00
parent 569b165cff
commit d1653bc4d8
3 changed files with 47 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

12
apps/gui/list.c
View file

@ -152,6 +152,9 @@ void gui_synclist_init(struct gui_synclist * gui_list,
gui_list->callback_speak_item = NULL;
gui_list->nb_items = 0;
gui_list->selected_item = 0;
#ifdef HAVE_TOUCHSCREEN
gui_list->y_pos = 0;
#endif
FOR_NB_SCREENS(i)
{
gui_list->start_item[i] = 0;
@ -282,6 +285,9 @@ static void gui_list_put_selection_on_screen(struct gui_synclist * gui_list,
gui_list->start_item[screen] = bottom;
else
gui_list->start_item[screen] = new_start_item;
#ifdef HAVE_TOUCHSCREEN
gui_list->y_pos = gui_list->start_item[SCREEN_MAIN] * gui_list->line_height[SCREEN_MAIN];
#endif
}
static void edge_beep(struct gui_synclist * gui_list, bool wrap)
@ -417,6 +423,10 @@ static void gui_list_select_at_offset(struct gui_synclist * gui_list,
gui_list->selected_size);
gui_list->selected_item = gui_list->start_item[i] + nb_lines;
}
#ifdef HAVE_TOUCHSCREEN
gui_list->y_pos = gui_list->start_item[SCREEN_MAIN] * gui_list->line_height[SCREEN_MAIN];
#endif
}
return;
}
@ -667,7 +677,7 @@ bool gui_synclist_do_button(struct gui_synclist * lists,
action = *actionptr = gui_synclist_do_touchscreen(lists);
else if (action > ACTION_TOUCHSCREEN_MODE)
/* cancel kinetic if we got a normal button event */
_gui_synclist_stop_kinetic_scrolling();
_gui_synclist_stop_kinetic_scrolling(lists);
#endif
/* Disable the skin redraw callback */