/** @copydoc widgetdata::event_func */
static int widget_event(widgetdata *widget, SDL_Event *event)
{
uint32_t row, col;
size_t i;
if (EVENT_IS_MOUSE(event) && event->button.button == SDL_BUTTON_LEFT && list_mouse_get_pos(list_skills, event->motion.x, event->motion.y, &row, &col)) {
size_t skill_id;
skill_id = row * list_skills->cols + col;
if (skill_id < skill_list_num) {
if (event->type == SDL_MOUSEBUTTONUP) {
if (selected_skill != skill_id) {
selected_skill = skill_id;
widget->redraw = 1;
return 1;
}
} else if (event->type == SDL_MOUSEBUTTONDOWN) {
event_dragging_start(skill_list[skill_id]->skill->tag, event->motion.x, event->motion.y);
return 1;
}
}
}
/* If the list has handled the mouse event, we need to redraw the
* widget. */
if (list_skills && list_handle_mouse(list_skills, event)) {
widget->redraw = 1;
return 1;
}
for (i = 0; i < BUTTON_NUM; i++) {
if (button_event(&buttons[i], event)) {
switch (i) {
case BUTTON_CLOSE:
widget->show = 0;
break;
case BUTTON_HELP:
help_show("skill list");
break;
}
widget->redraw = 1;
return 1;
}
if (buttons[i].redraw) {
widget->redraw = 1;
}
}
return 0;
}
/**
* Handle mouse events for one list. Checking whether the mouse is over
* the list should have been done before calling this.
* @param list
* The list.
* @param event
* Event.
* @return
* 1 if the event was handled, 0 otherwise.
*/
int list_handle_mouse(list_struct *list, SDL_Event *event)
{
uint32_t row, col, old_highlighted, old_selected;
int mx, my;
if (!list) {
return 0;
}
if (event->type != SDL_MOUSEBUTTONDOWN && event->type != SDL_MOUSEBUTTONUP && event->type != SDL_MOUSEMOTION) {
return 0;
}
mx = event->motion.x - list->px;
my = event->motion.y - list->py;
if (list->scrollbar_enabled) {
list->scrollbar.px = list->px;
list->scrollbar.py = list->py;
if (scrollbar_event(&list->scrollbar, event)) {
return 1;
}
}
if (!LIST_MOUSE_OVER(list, mx, my)) {
return 0;
}
old_highlighted = list->row_highlighted;
old_selected = list->row_selected;
/* No row is highlighted now. Will be switched back on as needed
* below. */
list->row_highlighted = 0;
if (list_mouse_get_pos(list, event->motion.x, event->motion.y, &row, &col)) {
if (list->handle_mouse_row_func) {
list->handle_mouse_row_func(list, row, event);
}
/* Mouse click? */
if (event->type == SDL_MOUSEBUTTONDOWN && event->button.button == SDL_BUTTON_LEFT) {
/* See if we clicked on this row earlier, and whether this
* should be considered a double click. */
if (SDL_GetTicks() - list->click_tick < DOUBLE_CLICK_DELAY) {
/* Double click, handle it as if enter was used. */
if (list->handle_enter_func) {
list->handle_enter_func(list, event);
list->click_tick = 0;
}
/* Update selected row (in case enter handling
* function did not actually jump to another GUI,
* thus removing the need for this list). */
list->row_selected = row + 1;
} else { /* Normal click. */
/* Update selected row and click ticks for above
* double click calculation. */
list->row_selected = row + 1;
list->click_tick = SDL_GetTicks();
}
} else {
/* Not a mouse click, so update highlighted row. */
list->row_highlighted = row + 1;
}
}
/* Handle mouse wheel for scrolling. */
if (event->type == SDL_MOUSEBUTTONDOWN && (event->button.button == SDL_BUTTON_WHEELUP || event->button.button == SDL_BUTTON_WHEELDOWN)) {
list_scroll(list, event->button.button == SDL_BUTTON_WHEELUP, 1);
return 1;
}
if (old_highlighted != list->row_highlighted || old_selected != list->row_selected) {
return 1;
}
return 0;
}