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Differential D10291 Diff 33470 source/blender/editors/interface/interface_handlers.c

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source/blender/editors/interface/interface_handlers.c

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return retval; return retval;
} }
static int ui_handle_list_event(bContext *C, const wmEvent *event, ARegion *region, uiBut *listbox) static int ui_handle_list_event(bContext *C, const wmEvent *event, ARegion *region, uiBut *listbox)
{ {
int retval = WM_UI_HANDLER_CONTINUE; int retval = WM_UI_HANDLER_CONTINUE;
int type = event->type, val = event->val; int type = event->type, val = event->val;
int scroll_dir = 1;
bool redraw = false; bool redraw = false;
uiList *ui_list = listbox->custom_data; uiList *ui_list = listbox->custom_data;
if (!ui_list || !ui_list->dyn_data) { if (!ui_list || !ui_list->dyn_data) {
return retval; return retval;
} }
uiListDyn *dyn_data = ui_list->dyn_data; uiListDyn *dyn_data = ui_list->dyn_data;
int mx = event->x; int mx = event->x;
int my = event->y; int my = event->y;
ui_window_to_block(region, listbox->block, &mx, &my); ui_window_to_block(region, listbox->block, &mx, &my);
/* Convert pan to scroll-wheel. */ /* Convert pan to scroll-wheel. */
if (type == MOUSEPAN) { if (type == MOUSEPAN) {
ui_pan_to_scroll(event, &type, &val); ui_pan_to_scroll(event, &type, &val);
/* 'ui_pan_to_scroll' gives the absolute direction. */
if (event->is_direction_inverted) {
scroll_dir = -1;
}
/* If type still is mouse-pan, we call it handled, since delta-y accumulate. */ /* If type still is mouse-pan, we call it handled, since delta-y accumulate. */
/* also see wm_event_system.c do_wheel_ui hack */ /* also see wm_event_system.c do_wheel_ui hack */
if (type == MOUSEPAN) { if (type == MOUSEPAN) {
retval = WM_UI_HANDLER_BREAK; retval = WM_UI_HANDLER_BREAK;
} }
} }
if (val == KM_PRESS) { if (val == KM_PRESS) {
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ui_list->flag |= UILST_SCROLL_TO_ACTIVE_ITEM; ui_list->flag |= UILST_SCROLL_TO_ACTIVE_ITEM;
redraw = true; redraw = true;
retval = WM_UI_HANDLER_BREAK; retval = WM_UI_HANDLER_BREAK;
} }
else if (ELEM(type, WHEELUPMOUSE, WHEELDOWNMOUSE)) { else if (ELEM(type, WHEELUPMOUSE, WHEELDOWNMOUSE)) {
if (dyn_data->height > dyn_data->visual_height) { if (dyn_data->height > dyn_data->visual_height) {
/* list template will clamp */ /* list template will clamp */
ui_list->list_scroll += (type == WHEELUPMOUSE) ? -1 : 1; ui_list->list_scroll += scroll_dir * ((type == WHEELUPMOUSE) ? -1 : 1);
redraw = true; redraw = true;
retval = WM_UI_HANDLER_BREAK; retval = WM_UI_HANDLER_BREAK;
} }
} }
} }
if (redraw) { if (redraw) {
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