/**************************************************************************/
/* editor_title_bar.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 "editor_title_bar.h"
#include "core/object/callable_mp.h"
#include "scene/main/scene_tree.h"
#include "scene/main/window.h"
#include "servers/display/display_server.h"
void EditorTitleBar::gui_input(const Ref<InputEvent> &p_event) {
if (!can_move) {
return;
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid() && moving) {
if (mm->get_button_mask().has_flag(MouseButtonMask::LEFT)) {
Window *w = Object::cast_to<Window>(get_viewport());
if (w) {
Point2 mouse = DisplayServer::get_singleton()->mouse_get_position();
w->set_position(mouse - click_pos);
}
} else {
moving = false;
}
}
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && has_point(mb->get_position())) {
Window *w = Object::cast_to<Window>(get_viewport());
if (w) {
if (mb->get_button_index() == MouseButton::LEFT) {
if (mb->is_pressed()) {
if (DisplayServer::get_singleton()->has_feature(DisplayServerEnums::FEATURE_WINDOW_DRAG)) {
DisplayServer::get_singleton()->window_start_drag(w->get_window_id());
} else {
click_pos = DisplayServer::get_singleton()->mouse_get_position() - w->get_position();
moving = true;
}
} else {
moving = false;
}
}
if (mb->get_button_index() == MouseButton::LEFT && mb->is_double_click() && mb->is_pressed()) {
if (DisplayServer::get_singleton()->window_maximize_on_title_dbl_click()) {
if (w->get_mode() == Window::MODE_WINDOWED) {
w->set_mode(Window::MODE_MAXIMIZED);
} else if (w->get_mode() == Window::MODE_MAXIMIZED) {
w->set_mode(Window::MODE_WINDOWED);
}
} else if (DisplayServer::get_singleton()->window_minimize_on_title_dbl_click()) {
w->set_mode(Window::MODE_MINIMIZED);
}
moving = false;
}
}
}
}
void EditorTitleBar::set_center_control(Control *p_center_control) {
center_control = p_center_control;
}
Control *EditorTitleBar::get_center_control() const {
return center_control;
}
void EditorTitleBar::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_EXIT_TREE: {
SceneTree::get_singleton()->get_root()->disconnect(SceneStringName(nonclient_window_input), callable_mp(this, &EditorTitleBar::gui_input));
get_window()->set_nonclient_area(Rect2i());
} break;
case NOTIFICATION_ENTER_TREE: {
SceneTree::get_singleton()->get_root()->connect(SceneStringName(nonclient_window_input), callable_mp(this, &EditorTitleBar::gui_input));
[[fallthrough]];
}
case NOTIFICATION_RESIZED: {
get_window()->set_nonclient_area(get_global_transform().xform(Rect2i(get_position(), get_size())));
} break;
case NOTIFICATION_SORT_CHILDREN: {
if (!center_control) {
break;
}
Control *prev = nullptr;
Control *base = nullptr;
Control *next = nullptr;
bool rtl = is_layout_rtl();
int start;
int end;
int delta;
if (rtl) {
start = get_child_count() - 1;
end = -1;
delta = -1;
} else {
start = 0;
end = get_child_count();
delta = +1;
}
for (int i = start; i != end; i += delta) {
Control *c = as_sortable_control(get_child(i));
if (!c) {
continue;
}
if (base) {
next = c;
break;
}
if (c != center_control) {
prev = c;
continue;
}
base = c;
}
if (base && prev && next) {
Size2i title_size = get_size();
Size2i c_size = base->get_combined_minimum_size();
int min_offset = prev->get_position().x + prev->get_combined_minimum_size().x;
int max_offset = next->get_position().x + next->get_size().x - next->get_combined_minimum_size().x - c_size.x;
int offset = (title_size.width - c_size.width) / 2;
offset = CLAMP(offset, min_offset, max_offset);
fit_child_in_rect(prev, Rect2i(prev->get_position().x, 0, offset - prev->get_position().x, title_size.height));
fit_child_in_rect(base, Rect2i(offset, 0, c_size.width, title_size.height));
fit_child_in_rect(next, Rect2i(offset + c_size.width, 0, next->get_position().x + next->get_size().x - (offset + c_size.width), title_size.height));
}
} break;
}
}
void EditorTitleBar::set_can_move_window(bool p_enabled) {
can_move = p_enabled;
set_process_input(can_move);
}
bool EditorTitleBar::get_can_move_window() const {
return can_move;
}