pandemonium_engine_minimal/scene/gui/menu_button.cpp

127 lines
3.7 KiB
C++

/* menu_button.cpp */
#include "menu_button.h"
#include "core/input/input.h"
#include "core/input/shortcut.h"
#include "core/os/keyboard.h"
#include "scene/gui/popup_menu.h"
#include "scene/main/viewport.h"
void MenuButton::_shortcut_input(Ref<InputEvent> p_event) {
ERR_FAIL_COND(p_event.is_null());
if (disable_shortcuts) {
return;
}
if (p_event->is_pressed() && !p_event->is_echo() && (Object::cast_to<InputEventKey>(p_event.ptr()) || Object::cast_to<InputEventJoypadButton>(p_event.ptr()) || Object::cast_to<InputEventAction>(*p_event))) {
if (!get_parent() || !is_visible_in_tree() || is_disabled()) {
return;
}
bool global_only = (get_viewport()->get_modal_stack_top() && !get_viewport()->get_modal_stack_top()->is_a_parent_of(this));
if (popup->activate_item_by_event(p_event, global_only)) {
accept_event();
return;
}
}
BaseButton::_shortcut_input(p_event);
}
void MenuButton::pressed() {
emit_signal("about_to_show");
Size2 size = get_size();
Point2 gp = get_global_position();
popup->set_global_position(gp + Size2(0, size.height * get_global_transform().get_scale().y));
popup->set_size(Size2(size.width, 0));
popup->set_scale(get_global_transform().get_scale());
popup->set_parent_rect(Rect2(Point2(gp - popup->get_global_position()), get_size()));
// If not triggered by the mouse, start the popup with its first enabled item focused.
if (!_was_pressed_by_mouse()) {
for (int i = 0; i < popup->get_item_count(); i++) {
if (!popup->is_item_disabled(i)) {
popup->set_current_index(i);
break;
}
}
}
popup->popup();
}
void MenuButton::_gui_input(Ref<InputEvent> p_event) {
BaseButton::_gui_input(p_event);
}
PopupMenu *MenuButton::get_popup() const {
return popup;
}
void MenuButton::_set_items(const Array &p_items) {
popup->set("items", p_items);
}
Array MenuButton::_get_items() const {
return popup->get("items");
}
void MenuButton::set_switch_on_hover(bool p_enabled) {
switch_on_hover = p_enabled;
}
bool MenuButton::is_switch_on_hover() {
return switch_on_hover;
}
void MenuButton::_notification(int p_what) {
if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
if (!is_visible_in_tree()) {
popup->hide();
}
}
}
void MenuButton::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_popup"), &MenuButton::get_popup);
ClassDB::bind_method(D_METHOD("_set_items"), &MenuButton::_set_items);
ClassDB::bind_method(D_METHOD("_get_items"), &MenuButton::_get_items);
ClassDB::bind_method(D_METHOD("set_switch_on_hover", "enable"), &MenuButton::set_switch_on_hover);
ClassDB::bind_method(D_METHOD("is_switch_on_hover"), &MenuButton::is_switch_on_hover);
ClassDB::bind_method(D_METHOD("set_disable_shortcuts", "disabled"), &MenuButton::set_disable_shortcuts);
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "items", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_items", "_get_items");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "switch_on_hover"), "set_switch_on_hover", "is_switch_on_hover");
ADD_SIGNAL(MethodInfo("about_to_show"));
}
void MenuButton::set_disable_shortcuts(bool p_disabled) {
disable_shortcuts = p_disabled;
}
MenuButton::MenuButton() {
switch_on_hover = false;
set_flat(true);
set_toggle_mode(true);
set_disable_shortcuts(false);
set_focus_mode(FOCUS_NONE);
set_process_shortcut_input(true);
set_action_mode(ACTION_MODE_BUTTON_PRESS);
popup = memnew(PopupMenu);
popup->hide();
add_child(popup);
popup->set_pass_on_modal_close_click(false);
popup->connect("about_to_show", this, "set_pressed", varray(true)); // For when switching from another MenuButton.
popup->connect("popup_hide", this, "set_pressed", varray(false));
}
MenuButton::~MenuButton() {
}