X11: render partially visible list items

This commit is contained in:
Přemysl Eric Janouch 2022-09-03 13:23:07 +02:00
parent 7e74d1a80a
commit dad95ef444
Signed by: p
GPG Key ID: A0420B94F92B9493

View File

@ -2105,7 +2105,7 @@ app_sublayout_list (struct widget *list)
{
struct tab *tab = g.active_tab;
int to_show = MIN ((int) tab->item_count - tab->item_top,
list->height / g.ui_vunit);
ceil ((double) list->height / g.ui_vunit));
struct layout l = {};
for (int row = 0; row < to_show; row++)
@ -2845,9 +2845,8 @@ app_process_left_mouse_click (struct widget *w, int x, int y, int modifiers)
else if (tab->item_mark < 0)
tab->item_mark = tab->item_selected;
// TODO: Probably will need to fix up item->top
// for partially visible items in X11.
tab->item_selected = row_index + tab->item_top;
app_ensure_selection_visible ();
app_invalidate ();
if (modifiers & APP_KEYMOD_DOUBLE_CLICK)
@ -2858,7 +2857,7 @@ app_process_left_mouse_click (struct widget *w, int x, int y, int modifiers)
{
struct tab *tab = g.active_tab;
int visible_items = app_visible_items ();
tab->item_top = (float) y / w->height
tab->item_top = (double) y / w->height
* (int) tab->item_count - visible_items / 2;
app_invalidate ();
break;
@ -5818,17 +5817,22 @@ x11_make_scrollbar (chtype attrs)
return w;
}
// TODO: Handle partial items, otherwise this is the same as tui_render_list().
static void
x11_render_list (struct widget *self)
{
x11_render_padding (self);
// We could do that for all widgets, but it would be kind-of pointless.
XRenderSetPictureClipRectangles (g.dpy, g.x11_pixmap_picture, 0, 0,
&(XRectangle) { self->x, self->y, self->width, self->height }, 1);
x11_render_padding (self);
LIST_FOR_EACH (struct widget, w, self->on_sublayout (self))
{
w->on_render (w);
free (w);
}
XRenderChangePicture (g.dpy, g.x11_pixmap_picture, CPClipMask,
&(XRenderPictureAttributes) { .clip_mask = None });
}
static struct widget *