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popup_menu.cpp
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popup_menu.cpp
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/**************************************************************************/
/* popup_menu.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "popup_menu.h"
#include "popup_menu.compat.inc"
#include "core/config/project_settings.h"
#include "core/input/input.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "core/string/print_string.h"
#include "core/string/translation.h"
#include "scene/gui/menu_bar.h"
#include "scene/theme/theme_db.h"
HashMap<NativeMenu::SystemMenus, PopupMenu *> PopupMenu::system_menus;
bool PopupMenu::_set_item_accelerator(int p_index, const Ref<InputEventKey> &p_ie) {
NativeMenu *nmenu = NativeMenu::get_singleton();
if (p_ie->get_physical_keycode() == Key::NONE && p_ie->get_keycode() == Key::NONE && p_ie->get_key_label() != Key::NONE) {
nmenu->set_item_accelerator(global_menu, p_index, p_ie->get_key_label_with_modifiers());
return true;
} else if (p_ie->get_keycode() != Key::NONE) {
nmenu->set_item_accelerator(global_menu, p_index, p_ie->get_keycode_with_modifiers());
return true;
} else if (p_ie->get_physical_keycode() != Key::NONE) {
nmenu->set_item_accelerator(global_menu, p_index, DisplayServer::get_singleton()->keyboard_get_keycode_from_physical(p_ie->get_physical_keycode_with_modifiers()));
return true;
}
return false;
}
void PopupMenu::_set_item_checkable_type(int p_index, int p_checkable_type) {
switch (p_checkable_type) {
case Item::CHECKABLE_TYPE_NONE: {
set_item_as_checkable(p_index, false);
} break;
case Item::CHECKABLE_TYPE_CHECK_BOX: {
set_item_as_checkable(p_index, true);
} break;
case Item::CHECKABLE_TYPE_RADIO_BUTTON: {
set_item_as_radio_checkable(p_index, true);
} break;
}
}
int PopupMenu::_get_item_checkable_type(int p_index) const {
ERR_FAIL_INDEX_V(p_index, items.size(), Item::CHECKABLE_TYPE_NONE);
return items[p_index].checkable_type;
}
RID PopupMenu::bind_global_menu() {
#ifdef TOOLS_ENABLED
if (is_part_of_edited_scene()) {
return RID();
}
#endif
if (!NativeMenu::get_singleton()->has_feature(NativeMenu::FEATURE_POPUP_MENU)) {
return RID();
}
if (global_menu.is_valid()) {
return global_menu; // Already bound;
}
NativeMenu *nmenu = NativeMenu::get_singleton();
if (system_menu_id != NativeMenu::INVALID_MENU_ID && nmenu->has_system_menu(system_menu_id)) {
if (system_menus.has(system_menu_id)) {
WARN_PRINT(vformat("Attempting to bind PopupMenu to the system menu %s, but another menu is already bound to it. This menu: %s, current menu: %s", nmenu->get_system_menu_name(system_menu_id), get_description(), system_menus[system_menu_id]->get_description()));
global_menu = nmenu->create_menu();
} else {
system_menus[system_menu_id] = this;
system_menu = nmenu->get_system_menu(system_menu_id);
global_menu = system_menu;
}
} else {
global_menu = nmenu->create_menu();
}
nmenu->set_interface_direction(global_menu, control->is_layout_rtl());
nmenu->set_popup_open_callback(global_menu, callable_mp(this, &PopupMenu::_about_to_popup));
nmenu->set_popup_close_callback(global_menu, callable_mp(this, &PopupMenu::_about_to_close));
for (int i = 0; i < items.size(); i++) {
Item &item = items.write[i];
if (item.separator) {
nmenu->add_separator(global_menu);
} else {
int index = nmenu->add_item(global_menu, item.xl_text, callable_mp(this, &PopupMenu::activate_item), item.shortcut_is_global ? callable_mp(this, &PopupMenu::activate_item) : Callable(), i);
if (item.submenu) {
RID submenu_rid = item.submenu->bind_global_menu();
nmenu->set_item_submenu(global_menu, index, submenu_rid);
item.submenu_bound = true;
}
if (item.checkable_type == Item::CHECKABLE_TYPE_CHECK_BOX) {
nmenu->set_item_checkable(global_menu, index, true);
} else if (item.checkable_type == Item::CHECKABLE_TYPE_RADIO_BUTTON) {
nmenu->set_item_radio_checkable(global_menu, index, true);
}
nmenu->set_item_checked(global_menu, index, item.checked);
nmenu->set_item_disabled(global_menu, index, item.disabled);
nmenu->set_item_max_states(global_menu, index, item.max_states);
nmenu->set_item_icon(global_menu, index, item.icon);
nmenu->set_item_state(global_menu, index, item.state);
nmenu->set_item_indentation_level(global_menu, index, item.indent);
nmenu->set_item_tooltip(global_menu, index, item.tooltip);
if (!item.shortcut_is_disabled && item.shortcut.is_valid() && item.shortcut->has_valid_event()) {
Array events = item.shortcut->get_events();
for (int j = 0; j < events.size(); j++) {
Ref<InputEventKey> ie = events[j];
if (ie.is_valid() && _set_item_accelerator(index, ie)) {
break;
}
}
} else if (item.accel != Key::NONE) {
nmenu->set_item_accelerator(global_menu, index, item.accel);
}
}
}
return global_menu;
}
void PopupMenu::unbind_global_menu() {
if (global_menu.is_null()) {
return;
}
if (global_menu == system_menu && system_menus[system_menu_id] == this) {
system_menus.erase(system_menu_id);
}
for (int i = 0; i < items.size(); i++) {
Item &item = items.write[i];
if (item.submenu) {
item.submenu->unbind_global_menu();
item.submenu_bound = false;
}
}
if (system_menu != global_menu) {
NativeMenu::get_singleton()->free_menu(global_menu);
} else {
NativeMenu::get_singleton()->clear(global_menu);
}
system_menu = RID();
global_menu = RID();
}
bool PopupMenu::is_system_menu() const {
return (global_menu == system_menu) && (system_menu_id != NativeMenu::INVALID_MENU_ID);
}
void PopupMenu::set_system_menu(NativeMenu::SystemMenus p_system_menu_id) {
if (is_inside_tree() && system_menu_id != NativeMenu::INVALID_MENU_ID) {
unbind_global_menu();
}
system_menu_id = p_system_menu_id;
if (is_inside_tree() && system_menu_id != NativeMenu::INVALID_MENU_ID) {
bind_global_menu();
}
}
NativeMenu::SystemMenus PopupMenu::get_system_menu() const {
return system_menu_id;
}
String PopupMenu::_get_accel_text(const Item &p_item) const {
if (p_item.shortcut.is_valid()) {
return p_item.shortcut->get_as_text();
} else if (p_item.accel != Key::NONE) {
return keycode_get_string(p_item.accel);
}
return String();
}
Size2 PopupMenu::_get_item_icon_size(int p_idx) const {
const PopupMenu::Item &item = items[p_idx];
Size2 icon_size = item.get_icon_size();
int max_width = 0;
if (theme_cache.icon_max_width > 0) {
max_width = theme_cache.icon_max_width;
}
if (item.icon_max_width > 0 && (max_width == 0 || item.icon_max_width < max_width)) {
max_width = item.icon_max_width;
}
if (max_width > 0 && icon_size.width > max_width) {
icon_size.height = icon_size.height * max_width / icon_size.width;
icon_size.width = max_width;
}
return icon_size;
}
Size2 PopupMenu::_get_contents_minimum_size() const {
Size2 minsize = theme_cache.panel_style->get_minimum_size();
minsize.width += scroll_container->get_v_scroll_bar()->get_size().width;
float max_w = 0.0;
float icon_w = 0.0;
int check_w = MAX(theme_cache.checked->get_width(), theme_cache.radio_checked->get_width()) + theme_cache.h_separation;
int accel_max_w = 0;
bool has_check = false;
for (int i = 0; i < items.size(); i++) {
Size2 item_size;
const_cast<PopupMenu *>(this)->_shape_item(i);
Size2 icon_size = _get_item_icon_size(i);
item_size.height = _get_item_height(i);
icon_w = MAX(icon_size.width, icon_w);
item_size.width += items[i].indent * theme_cache.indent;
if (items[i].checkable_type && !items[i].separator) {
has_check = true;
}
item_size.width += items[i].text_buf->get_size().x;
item_size.height += theme_cache.v_separation;
if (items[i].accel != Key::NONE || (items[i].shortcut.is_valid() && items[i].shortcut->has_valid_event())) {
int accel_w = theme_cache.h_separation * 2;
accel_w += items[i].accel_text_buf->get_size().x;
accel_max_w = MAX(accel_w, accel_max_w);
}
if (items[i].submenu) {
item_size.width += theme_cache.submenu->get_width();
}
max_w = MAX(max_w, item_size.width);
minsize.height += item_size.height;
}
int item_side_padding = theme_cache.item_start_padding + theme_cache.item_end_padding;
minsize.width += max_w + icon_w + accel_max_w + item_side_padding;
if (has_check) {
minsize.width += check_w;
}
if (is_inside_tree()) {
int height_limit = get_usable_parent_rect().size.height;
if (minsize.height > height_limit) {
minsize.height = height_limit;
}
}
minsize.height = Math::ceil(minsize.height); // Ensures enough height at fractional content scales to prevent the v_scroll_bar from showing.
return minsize;
}
int PopupMenu::_get_item_height(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), 0);
Size2 icon_size = _get_item_icon_size(p_idx);
int icon_height = icon_size.height;
if (items[p_idx].checkable_type && !items[p_idx].separator) {
icon_height = MAX(icon_height, MAX(theme_cache.checked->get_height(), theme_cache.radio_checked->get_height()));
}
int text_height = items[p_idx].text_buf->get_size().height;
if (text_height == 0 && !items[p_idx].separator) {
text_height = theme_cache.font->get_height(theme_cache.font_size);
}
int separator_height = 0;
if (items[p_idx].separator) {
separator_height = MAX(theme_cache.separator_style->get_minimum_size().height, MAX(theme_cache.labeled_separator_left->get_minimum_size().height, theme_cache.labeled_separator_right->get_minimum_size().height));
}
return MAX(separator_height, MAX(text_height, icon_height));
}
int PopupMenu::_get_items_total_height() const {
// Get total height of all items by taking max of icon height and font height
int items_total_height = 0;
for (int i = 0; i < items.size(); i++) {
items_total_height += _get_item_height(i) + theme_cache.v_separation;
}
return items_total_height;
}
int PopupMenu::_get_mouse_over(const Point2 &p_over) const {
float win_scale = get_content_scale_factor();
if (p_over.x < 0 || p_over.x >= get_size().width * win_scale || p_over.y < theme_cache.panel_style->get_margin(Side::SIDE_TOP) * win_scale) {
return -1;
}
Point2 ofs = Point2(0, theme_cache.v_separation * 0.5) * win_scale;
for (int i = 0; i < items.size(); i++) {
ofs.y += i > 0 ? (float)theme_cache.v_separation * win_scale : (float)theme_cache.v_separation * win_scale * 0.5;
ofs.y += _get_item_height(i) * win_scale;
if (p_over.y - control->get_position().y * win_scale < ofs.y) {
return i;
}
}
return -1;
}
void PopupMenu::_activate_submenu(int p_over, bool p_by_keyboard) {
Popup *submenu_popup = items[p_over].submenu;
if (submenu_popup->is_visible()) {
return; // Already visible.
}
Point2 this_pos = get_position();
Rect2 this_rect(this_pos, get_size());
float scroll_offset = control->get_position().y;
float scaled_ofs_cache = items[p_over]._ofs_cache * get_content_scale_factor();
float scaled_height_cache = items[p_over]._height_cache * get_content_scale_factor();
submenu_popup->reset_size(); // Shrink the popup size to its contents.
Size2 submenu_size = submenu_popup->get_size();
Point2 submenu_pos;
if (control->is_layout_rtl()) {
submenu_pos = this_pos + Point2(-submenu_size.width, scaled_ofs_cache + scroll_offset - theme_cache.v_separation / 2);
} else {
submenu_pos = this_pos + Point2(this_rect.size.width, scaled_ofs_cache + scroll_offset - theme_cache.v_separation / 2);
}
// Fix pos if going outside parent rect.
if (submenu_pos.x < get_parent_rect().position.x) {
submenu_pos.x = this_pos.x + submenu_size.width;
}
if (submenu_pos.x + submenu_size.width > get_parent_rect().position.x + get_parent_rect().size.width) {
submenu_pos.x = this_pos.x - submenu_size.width;
}
submenu_popup->set_position(submenu_pos);
PopupMenu *submenu_pum = Object::cast_to<PopupMenu>(submenu_popup);
if (!submenu_pum) {
submenu_popup->popup();
return;
}
submenu_pum->activated_by_keyboard = p_by_keyboard;
// If not triggered by the mouse, start the popup with its first enabled item focused.
if (p_by_keyboard) {
for (int i = 0; i < submenu_pum->get_item_count(); i++) {
if (!submenu_pum->is_item_disabled(i)) {
submenu_pum->set_focused_item(i);
break;
}
}
}
submenu_pum->popup();
// Set autohide areas.
Rect2 safe_area = this_rect;
safe_area.position.y += scaled_ofs_cache + scroll_offset + theme_cache.panel_style->get_offset().height - theme_cache.v_separation / 2;
safe_area.size.y = scaled_height_cache + theme_cache.v_separation;
Viewport *vp = submenu_popup->get_embedder();
if (vp) {
vp->subwindow_set_popup_safe_rect(submenu_popup, safe_area);
} else {
DisplayServer::get_singleton()->window_set_popup_safe_rect(submenu_popup->get_window_id(), safe_area);
}
// Make the position of the parent popup relative to submenu popup.
this_rect.position = this_rect.position - submenu_pum->get_position();
// Autohide area above the submenu item.
submenu_pum->clear_autohide_areas();
submenu_pum->add_autohide_area(Rect2(this_rect.position.x, this_rect.position.y, this_rect.size.x, scaled_ofs_cache + scroll_offset + theme_cache.panel_style->get_offset().height - theme_cache.v_separation / 2));
// If there is an area below the submenu item, add an autohide area there.
if (scaled_ofs_cache + scaled_height_cache + scroll_offset <= control->get_size().height) {
int from = scaled_ofs_cache + scaled_height_cache + scroll_offset + theme_cache.v_separation / 2 + theme_cache.panel_style->get_offset().height;
submenu_pum->add_autohide_area(Rect2(this_rect.position.x, this_rect.position.y + from, this_rect.size.x, this_rect.size.y - from));
}
}
void PopupMenu::_parent_focused() {
if (is_embedded()) {
Point2 mouse_pos_adjusted;
Window *window_parent = Object::cast_to<Window>(get_parent()->get_viewport());
while (window_parent) {
if (!window_parent->is_embedded()) {
mouse_pos_adjusted += window_parent->get_position();
break;
}
window_parent = Object::cast_to<Window>(window_parent->get_parent()->get_viewport());
}
Rect2 safe_area = get_embedder()->subwindow_get_popup_safe_rect(this);
Point2 pos = DisplayServer::get_singleton()->mouse_get_position() - mouse_pos_adjusted;
if (safe_area == Rect2i() || !safe_area.has_point(pos)) {
Popup::_parent_focused();
} else {
grab_focus();
}
}
}
void PopupMenu::_submenu_timeout() {
if (mouse_over == submenu_over) {
_activate_submenu(mouse_over);
}
submenu_over = -1;
}
void PopupMenu::_input_from_window(const Ref<InputEvent> &p_event) {
if (p_event.is_valid()) {
_input_from_window_internal(p_event);
} else {
WARN_PRINT_ONCE("PopupMenu has received an invalid InputEvent. Consider filtering invalid events out.");
}
Popup::_input_from_window(p_event);
}
void PopupMenu::_input_from_window_internal(const Ref<InputEvent> &p_event) {
if (!items.is_empty()) {
Input *input = Input::get_singleton();
Ref<InputEventJoypadMotion> joypadmotion_event = p_event;
Ref<InputEventJoypadButton> joypadbutton_event = p_event;
bool is_joypad_event = (joypadmotion_event.is_valid() || joypadbutton_event.is_valid());
if (p_event->is_action("ui_down", true) && p_event->is_pressed()) {
if (is_joypad_event) {
if (!input->is_action_just_pressed("ui_down", true)) {
return;
}
set_process_internal(true);
}
int search_from = mouse_over + 1;
if (search_from >= items.size()) {
search_from = 0;
}
bool match_found = false;
for (int i = search_from; i < items.size(); i++) {
if (!items[i].separator && !items[i].disabled) {
mouse_over = i;
emit_signal(SNAME("id_focused"), i);
scroll_to_item(i);
control->queue_redraw();
set_input_as_handled();
match_found = true;
break;
}
}
if (!match_found) {
// If the last item is not selectable, try re-searching from the start.
for (int i = 0; i < search_from; i++) {
if (!items[i].separator && !items[i].disabled) {
mouse_over = i;
emit_signal(SNAME("id_focused"), i);
scroll_to_item(i);
control->queue_redraw();
set_input_as_handled();
break;
}
}
}
} else if (p_event->is_action("ui_up", true) && p_event->is_pressed()) {
if (is_joypad_event) {
if (!input->is_action_just_pressed("ui_up", true)) {
return;
}
set_process_internal(true);
}
int search_from = mouse_over - 1;
if (search_from < 0) {
search_from = items.size() - 1;
}
bool match_found = false;
for (int i = search_from; i >= 0; i--) {
if (!items[i].separator && !items[i].disabled) {
mouse_over = i;
emit_signal(SNAME("id_focused"), i);
scroll_to_item(i);
control->queue_redraw();
set_input_as_handled();
match_found = true;
break;
}
}
if (!match_found) {
// If the first item is not selectable, try re-searching from the end.
for (int i = items.size() - 1; i >= search_from; i--) {
if (!items[i].separator && !items[i].disabled) {
mouse_over = i;
emit_signal(SNAME("id_focused"), i);
scroll_to_item(i);
control->queue_redraw();
set_input_as_handled();
break;
}
}
}
} else if (p_event->is_action("ui_left", true) && p_event->is_pressed()) {
Node *n = get_parent();
if (n) {
if (Object::cast_to<PopupMenu>(n)) {
hide();
set_input_as_handled();
} else if (Object::cast_to<MenuBar>(n)) {
Object::cast_to<MenuBar>(n)->gui_input(p_event);
set_input_as_handled();
return;
}
}
} else if (p_event->is_action("ui_right", true) && p_event->is_pressed()) {
if (mouse_over >= 0 && mouse_over < items.size() && !items[mouse_over].separator && items[mouse_over].submenu && submenu_over != mouse_over) {
_activate_submenu(mouse_over, true);
set_input_as_handled();
} else {
Node *n = get_parent();
if (n && Object::cast_to<MenuBar>(n)) {
Object::cast_to<MenuBar>(n)->gui_input(p_event);
set_input_as_handled();
return;
}
}
} else if (p_event->is_action("ui_accept", true) && p_event->is_pressed()) {
if (mouse_over >= 0 && mouse_over < items.size() && !items[mouse_over].separator) {
if (items[mouse_over].submenu && submenu_over != mouse_over) {
_activate_submenu(mouse_over, true);
} else {
activate_item(mouse_over);
}
set_input_as_handled();
}
}
}
// Make an area which does not include v scrollbar, so that items are not activated when dragging scrollbar.
Rect2 item_clickable_area = scroll_container->get_rect();
if (scroll_container->get_v_scroll_bar()->is_visible_in_tree()) {
if (is_layout_rtl()) {
item_clickable_area.position.x += scroll_container->get_v_scroll_bar()->get_size().width;
}
item_clickable_area.size.width -= scroll_container->get_v_scroll_bar()->get_size().width;
}
item_clickable_area.size = item_clickable_area.size * get_content_scale_factor();
Ref<InputEventMouseButton> b = p_event;
if (b.is_valid()) {
MouseButton button_idx = b->get_button_index();
// Activate the item on release of either the left mouse button or
// any mouse button held down when the popup was opened.
// This allows for opening the popup and triggering an action in a single mouse click.
if (button_idx == MouseButton::LEFT || initial_button_mask.has_flag(mouse_button_to_mask(button_idx))) {
if (b->is_pressed()) {
during_grabbed_click = false;
is_scrolling = is_layout_rtl() ? b->get_position().x < item_clickable_area.position.x : b->get_position().x > item_clickable_area.size.width;
if (!item_clickable_area.has_point(b->get_position())) {
return;
}
_mouse_over_update(b->get_position());
} else {
if (is_scrolling) {
is_scrolling = false;
return;
}
bool was_during_grabbed_click = during_grabbed_click;
during_grabbed_click = false;
initial_button_mask.clear();
if (!item_clickable_area.has_point(b->get_position())) {
return;
}
// Disable clicks under a time threshold to avoid selection right when opening the popup.
if (was_during_grabbed_click && OS::get_singleton()->get_ticks_msec() - popup_time_msec < 400) {
return;
}
int over = _get_mouse_over(b->get_position());
if (over < 0) {
if (!was_during_grabbed_click) {
hide();
}
return;
}
if (items[over].separator || items[over].disabled) {
return;
}
if (items[over].submenu) {
_activate_submenu(over);
return;
}
activate_item(over);
}
}
}
Ref<InputEventMouseMotion> m = p_event;
if (m.is_valid()) {
if (m->get_velocity().is_zero_approx()) {
return;
}
activated_by_keyboard = false;
for (const Rect2 &E : autohide_areas) {
if (!Rect2(Point2(), get_size()).has_point(m->get_position()) && E.has_point(m->get_position())) {
// The mouse left the safe area, prepare to close.
_close_pressed();
return;
}
}
if (!minimum_lifetime_timer->is_stopped()) {
// The mouse left the safe area, but came back again, so cancel the auto-closing.
minimum_lifetime_timer->stop();
}
if (!item_clickable_area.has_point(m->get_position())) {
return;
}
_mouse_over_update(m->get_position());
}
Ref<InputEventKey> k = p_event;
if (allow_search && k.is_valid() && k->get_unicode() && k->is_pressed()) {
uint64_t now = OS::get_singleton()->get_ticks_msec();
uint64_t diff = now - search_time_msec;
uint64_t max_interval = uint64_t(GLOBAL_GET("gui/timers/incremental_search_max_interval_msec"));
search_time_msec = now;
if (diff > max_interval) {
search_string = "";
}
if (String::chr(k->get_unicode()) != search_string) {
search_string += String::chr(k->get_unicode());
}
for (int i = mouse_over + 1; i <= items.size(); i++) {
if (i == items.size()) {
if (mouse_over <= 0) {
break;
} else {
i = 0;
}
}
if (i == mouse_over) {
break;
}
if (items[i].text.findn(search_string) == 0) {
mouse_over = i;
emit_signal(SNAME("id_focused"), i);
scroll_to_item(i);
control->queue_redraw();
set_input_as_handled();
break;
}
}
}
}
void PopupMenu::_mouse_over_update(const Point2 &p_over) {
int over = _get_mouse_over(p_over);
int id = (over < 0 || items[over].separator || items[over].disabled) ? -1 : (items[over].id >= 0 ? items[over].id : over);
if (id < 0) {
mouse_over = -1;
control->queue_redraw();
return;
}
if (!is_scrolling && items[over].submenu && submenu_over != over) {
submenu_over = over;
submenu_timer->start();
}
if (over != mouse_over) {
mouse_over = over;
control->queue_redraw();
}
}
void PopupMenu::_draw_items() {
control->set_custom_minimum_size(Size2(0, _get_items_total_height()));
RID ci = control->get_canvas_item();
// Space between the item content and the sides of popup menu.
bool rtl = control->is_layout_rtl();
// In Item::checkable_type enum order (less the non-checkable member), with disabled repeated at the end.
Ref<Texture2D> check[] = { theme_cache.checked, theme_cache.radio_checked, theme_cache.checked_disabled, theme_cache.radio_checked_disabled };
Ref<Texture2D> uncheck[] = { theme_cache.unchecked, theme_cache.radio_unchecked, theme_cache.unchecked_disabled, theme_cache.radio_unchecked_disabled };
Ref<Texture2D> submenu;
if (rtl) {
submenu = theme_cache.submenu_mirrored;
} else {
submenu = theme_cache.submenu;
}
float display_width = control->get_size().width;
// Find the widest icon and whether any items have a checkbox, and store the offsets for each.
float icon_ofs = 0.0;
bool has_check = false;
for (int i = 0; i < items.size(); i++) {
if (items[i].separator) {
continue;
}
Size2 icon_size = _get_item_icon_size(i);
icon_ofs = MAX(icon_size.width, icon_ofs);
if (items[i].checkable_type) {
has_check = true;
}
}
if (icon_ofs > 0.0) {
icon_ofs += theme_cache.h_separation;
}
float check_ofs = 0.0;
if (has_check) {
for (int i = 0; i < 4; i++) {
check_ofs = MAX(check_ofs, check[i]->get_width());
check_ofs = MAX(check_ofs, uncheck[i]->get_width());
}
check_ofs += theme_cache.h_separation;
}
Point2 ofs;
// Loop through all items and draw each.
for (int i = 0; i < items.size(); i++) {
// For the first item only add half a separation. For all other items, add a whole separation to the offset.
ofs.y += i > 0 ? theme_cache.v_separation : (float)theme_cache.v_separation / 2;
_shape_item(i);
Point2 item_ofs = ofs;
Size2 icon_size = _get_item_icon_size(i);
float h = _get_item_height(i);
if (i == mouse_over) {
theme_cache.hover_style->draw(ci, Rect2(item_ofs + Point2(0, -theme_cache.v_separation / 2), Size2(display_width, h + theme_cache.v_separation)));
}
String text = items[i].xl_text;
// Separator
item_ofs.x += items[i].indent * theme_cache.indent;
if (items[i].separator) {
if (!text.is_empty() || items[i].icon.is_valid()) {
int content_size = items[i].text_buf->get_size().width + theme_cache.h_separation * 2;
if (items[i].icon.is_valid()) {
content_size += icon_size.width + theme_cache.h_separation;
}
int content_center = display_width / 2;
int content_left = content_center - content_size / 2;
int content_right = content_center + content_size / 2;
if (content_left > item_ofs.x) {
int sep_h = theme_cache.labeled_separator_left->get_minimum_size().height;
int sep_ofs = Math::floor((h - sep_h) / 2.0);
theme_cache.labeled_separator_left->draw(ci, Rect2(item_ofs + Point2(0, sep_ofs), Size2(MAX(0, content_left - item_ofs.x), sep_h)));
}
if (content_right < display_width) {
int sep_h = theme_cache.labeled_separator_right->get_minimum_size().height;
int sep_ofs = Math::floor((h - sep_h) / 2.0);
theme_cache.labeled_separator_right->draw(ci, Rect2(Point2(content_right, item_ofs.y + sep_ofs), Size2(MAX(0, display_width - content_right), sep_h)));
}
} else {
int sep_h = theme_cache.separator_style->get_minimum_size().height;
int sep_ofs = Math::floor((h - sep_h) / 2.0);
theme_cache.separator_style->draw(ci, Rect2(item_ofs + Point2(0, sep_ofs), Size2(display_width, sep_h)));
}
}
Color icon_color = items[i].icon_modulate;
// For non-separator items, add some padding for the content.
if (!items[i].separator) {
item_ofs.x += theme_cache.item_start_padding;
}
// Checkboxes
if (items[i].checkable_type && !items[i].separator) {
int disabled = int(items[i].disabled) * 2;
Texture2D *icon = (items[i].checked ? check[items[i].checkable_type - 1 + disabled] : uncheck[items[i].checkable_type - 1 + disabled]).ptr();
if (rtl) {
icon->draw(ci, Size2(control->get_size().width - item_ofs.x - icon->get_width(), item_ofs.y) + Point2(0, Math::floor((h - icon->get_height()) / 2.0)), icon_color);
} else {
icon->draw(ci, item_ofs + Point2(0, Math::floor((h - icon->get_height()) / 2.0)), icon_color);
}
}
int separator_ofs = (display_width - items[i].text_buf->get_size().width) / 2;
// Icon
if (items[i].icon.is_valid()) {
const Point2 icon_offset = Point2(0, Math::floor((h - icon_size.height) / 2.0));
Point2 icon_pos;
if (items[i].separator) {
separator_ofs -= (icon_size.width + theme_cache.h_separation) / 2;
if (rtl) {
icon_pos = Size2(control->get_size().width - item_ofs.x - separator_ofs - icon_size.width, item_ofs.y);
} else {
icon_pos = item_ofs + Size2(separator_ofs, 0);
separator_ofs += icon_size.width + theme_cache.h_separation;
}
} else {
if (rtl) {
icon_pos = Size2(control->get_size().width - item_ofs.x - check_ofs - icon_size.width, item_ofs.y);
} else {
icon_pos = item_ofs + Size2(check_ofs, 0);
}
}
items[i].icon->draw_rect(ci, Rect2(icon_pos + icon_offset, icon_size), false, icon_color);
}
// Submenu arrow on right hand side.
if (items[i].submenu) {
if (rtl) {
submenu->draw(ci, Point2(theme_cache.panel_style->get_margin(SIDE_LEFT) + theme_cache.item_end_padding, item_ofs.y + Math::floor(h - submenu->get_height()) / 2), icon_color);
} else {
submenu->draw(ci, Point2(display_width - theme_cache.panel_style->get_margin(SIDE_RIGHT) - submenu->get_width() - theme_cache.item_end_padding, item_ofs.y + Math::floor(h - submenu->get_height()) / 2), icon_color);
}
}
// Text
if (items[i].separator) {
if (!text.is_empty()) {
Vector2 text_pos = Point2(separator_ofs, item_ofs.y + Math::floor((h - items[i].text_buf->get_size().y) / 2.0));
if (theme_cache.font_separator_outline_size > 0 && theme_cache.font_separator_outline_color.a > 0) {
items[i].text_buf->draw_outline(ci, text_pos, theme_cache.font_separator_outline_size, theme_cache.font_separator_outline_color);
}
items[i].text_buf->draw(ci, text_pos, theme_cache.font_separator_color);
}
} else {
item_ofs.x += icon_ofs + check_ofs;
if (rtl) {
Vector2 text_pos = Size2(control->get_size().width - items[i].text_buf->get_size().width - item_ofs.x, item_ofs.y) + Point2(0, Math::floor((h - items[i].text_buf->get_size().y) / 2.0));
if (theme_cache.font_outline_size > 0 && theme_cache.font_outline_color.a > 0) {
items[i].text_buf->draw_outline(ci, text_pos, theme_cache.font_outline_size, theme_cache.font_outline_color);
}
items[i].text_buf->draw(ci, text_pos, items[i].disabled ? theme_cache.font_disabled_color : (i == mouse_over ? theme_cache.font_hover_color : theme_cache.font_color));
} else {
Vector2 text_pos = item_ofs + Point2(0, Math::floor((h - items[i].text_buf->get_size().y) / 2.0));
if (theme_cache.font_outline_size > 0 && theme_cache.font_outline_color.a > 0) {
items[i].text_buf->draw_outline(ci, text_pos, theme_cache.font_outline_size, theme_cache.font_outline_color);
}
items[i].text_buf->draw(ci, text_pos, items[i].disabled ? theme_cache.font_disabled_color : (i == mouse_over ? theme_cache.font_hover_color : theme_cache.font_color));
}
}
// Accelerator / Shortcut
if (items[i].accel != Key::NONE || (items[i].shortcut.is_valid() && items[i].shortcut->has_valid_event())) {
if (rtl) {
item_ofs.x = theme_cache.panel_style->get_margin(SIDE_LEFT) + theme_cache.item_end_padding;
} else {
item_ofs.x = display_width - theme_cache.panel_style->get_margin(SIDE_RIGHT) - items[i].accel_text_buf->get_size().x - theme_cache.item_end_padding;
}
Vector2 text_pos = item_ofs + Point2(0, Math::floor((h - items[i].text_buf->get_size().y) / 2.0));
if (theme_cache.font_outline_size > 0 && theme_cache.font_outline_color.a > 0) {
items[i].accel_text_buf->draw_outline(ci, text_pos, theme_cache.font_outline_size, theme_cache.font_outline_color);
}
items[i].accel_text_buf->draw(ci, text_pos, i == mouse_over ? theme_cache.font_hover_color : theme_cache.font_accelerator_color);
}
// Cache the item vertical offset from the first item and the height.
items.write[i]._ofs_cache = ofs.y;
items.write[i]._height_cache = h;
ofs.y += h;
}
}
void PopupMenu::_minimum_lifetime_timeout() {
close_allowed = true;
// If the mouse still isn't in this popup after timer expires, close.
if (!activated_by_keyboard && !get_visible_rect().has_point(get_mouse_position())) {
_close_pressed();
}
}
void PopupMenu::_close_pressed() {
// Only apply minimum lifetime to submenus.
PopupMenu *parent_pum = Object::cast_to<PopupMenu>(get_parent());
if (!parent_pum) {
Popup::_close_pressed();
return;
}
// If the timer has expired, close. If timer is still running, do nothing.
if (close_allowed) {
close_allowed = false;
Popup::_close_pressed();
} else if (minimum_lifetime_timer->is_stopped()) {
minimum_lifetime_timer->start();
}
}
void PopupMenu::_shape_item(int p_idx) {
if (items.write[p_idx].dirty) {
items.write[p_idx].text_buf->clear();
Ref<Font> font = items[p_idx].separator ? theme_cache.font_separator : theme_cache.font;
int font_size = items[p_idx].separator ? theme_cache.font_separator_size : theme_cache.font_size;
if (items[p_idx].text_direction == Control::TEXT_DIRECTION_INHERITED) {
items.write[p_idx].text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
} else {
items.write[p_idx].text_buf->set_direction((TextServer::Direction)items[p_idx].text_direction);
}
items.write[p_idx].text_buf->add_string(items.write[p_idx].xl_text, font, font_size, items[p_idx].language);
items.write[p_idx].accel_text_buf->clear();
items.write[p_idx].accel_text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
items.write[p_idx].accel_text_buf->add_string(_get_accel_text(items.write[p_idx]), font, font_size);
items.write[p_idx].dirty = false;
}
}
void PopupMenu::_menu_changed() {
emit_signal(SNAME("menu_changed"));
}
void PopupMenu::add_child_notify(Node *p_child) {
Window::add_child_notify(p_child);
if (global_menu.is_valid()) {
PopupMenu *pm = Object::cast_to<PopupMenu>(p_child);
for (int i = 0; i < items.size(); i++) {
if (items[i].submenu == p_child) {
RID submenu_rid = pm->bind_global_menu();
NativeMenu::get_singleton()->set_item_submenu(global_menu, i, submenu_rid);
items.write[i].submenu_bound = true;
}
}
}
_menu_changed();
}
void PopupMenu::remove_child_notify(Node *p_child) {
Window::remove_child_notify(p_child);
PopupMenu *pm = Object::cast_to<PopupMenu>(p_child);
if (!pm) {
return;
}
if (Object::cast_to<PopupMenu>(p_child) && global_menu.is_valid()) {
for (int i = 0; i < items.size(); i++) {
if (items[i].submenu == p_child) {
NativeMenu::get_singleton()->set_item_submenu(global_menu, i, RID());