490 lines
16 KiB
C++
490 lines
16 KiB
C++
/*************************************************************************/
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/* window.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "window.h"
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#include "scene/resources/dynamic_font.h"
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void Window::set_title(const String &p_title) {
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title = p_title;
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if (window_id == DisplayServer::INVALID_WINDOW_ID)
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return;
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DisplayServer::get_singleton()->window_set_title(p_title, window_id);
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}
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String Window::get_title() const {
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return title;
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}
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void Window::set_current_screen(int p_screen) {
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current_screen = p_screen;
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if (window_id == DisplayServer::INVALID_WINDOW_ID)
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return;
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DisplayServer::get_singleton()->window_set_current_screen(p_screen, window_id);
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}
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int Window::get_current_screen() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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current_screen = DisplayServer::get_singleton()->window_get_current_screen(window_id);
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}
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return current_screen;
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}
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void Window::set_position(const Point2i &p_position) {
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position = p_position;
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if (window_id == DisplayServer::INVALID_WINDOW_ID)
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return;
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DisplayServer::get_singleton()->window_set_position(p_position, window_id);
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}
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Point2i Window::get_position() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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position = DisplayServer::get_singleton()->window_get_position(window_id);
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}
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return position;
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}
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void Window::set_size(const Size2i &p_size) {
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size = p_size;
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if (window_id == DisplayServer::INVALID_WINDOW_ID) {
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DisplayServer::get_singleton()->window_set_size(p_size, window_id);
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}
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_update_size();
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}
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Size2i Window::get_size() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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size = DisplayServer::get_singleton()->window_get_size(window_id);
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}
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return size;
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}
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Size2i Window::get_real_size() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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return DisplayServer::get_singleton()->window_get_real_size(window_id);
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}
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return size;
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}
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void Window::set_max_size(const Size2i &p_max_size) {
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max_size = p_max_size;
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if (window_id == DisplayServer::INVALID_WINDOW_ID)
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return;
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DisplayServer::get_singleton()->window_set_max_size(p_max_size, window_id);
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}
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Size2i Window::get_max_size() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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max_size = DisplayServer::get_singleton()->window_get_max_size(window_id);
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}
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return max_size;
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}
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void Window::set_min_size(const Size2i &p_min_size) {
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min_size = p_min_size;
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if (window_id == DisplayServer::INVALID_WINDOW_ID)
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return;
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DisplayServer::get_singleton()->window_set_min_size(p_min_size, window_id);
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}
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Size2i Window::get_min_size() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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min_size = DisplayServer::get_singleton()->window_get_min_size(window_id);
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}
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return min_size;
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}
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void Window::set_mode(Mode p_mode) {
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mode = p_mode;
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if (window_id == DisplayServer::INVALID_WINDOW_ID)
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return;
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DisplayServer::get_singleton()->window_set_mode(DisplayServer::WindowMode(p_mode), window_id);
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}
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Window::Mode Window::get_mode() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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mode = (Mode)DisplayServer::get_singleton()->window_get_mode(window_id);
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}
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return mode;
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}
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void Window::set_flag(Flags p_flag, bool p_enabled) {
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ERR_FAIL_INDEX(p_flag, FLAG_MAX);
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flags[p_flag] = p_enabled;
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if (window_id == DisplayServer::INVALID_WINDOW_ID)
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return;
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DisplayServer::get_singleton()->window_set_flag(DisplayServer::WindowFlags(p_flag), p_enabled, window_id);
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}
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bool Window::get_flag(Flags p_flag) const {
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ERR_FAIL_INDEX_V(p_flag, FLAG_MAX, false);
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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flags[p_flag] = DisplayServer::get_singleton()->window_get_flag(DisplayServer::WindowFlags(p_flag), window_id);
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}
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return flags[p_flag];
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}
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bool Window::is_maximize_allowed() const {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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return DisplayServer::get_singleton()->window_is_maximize_allowed(window_id);
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}
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return true;
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}
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void Window::request_attention() {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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DisplayServer::get_singleton()->window_request_attention(window_id);
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}
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}
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void Window::move_to_foreground() {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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DisplayServer::get_singleton()->window_move_to_foreground(window_id);
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}
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}
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bool Window::can_draw() const {
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if (!is_inside_tree()) {
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return false;
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}
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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return DisplayServer::get_singleton()->window_can_draw(window_id);
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}
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return true;
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}
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void Window::set_ime_active(bool p_active) {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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DisplayServer::get_singleton()->window_set_ime_active(p_active, window_id);
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}
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}
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void Window::set_ime_position(const Point2i &p_pos) {
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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DisplayServer::get_singleton()->window_set_ime_position(p_pos, window_id);
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}
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}
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bool Window::is_embedded() const {
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ERR_FAIL_COND_V(!is_inside_tree(), false);
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if (get_parent_viewport()) {
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return get_parent_viewport()->is_embedding_subwindows();
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} else {
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return false;
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}
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}
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void Window::_make_window() {
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ERR_FAIL_COND(window_id != DisplayServer::INVALID_WINDOW_ID);
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uint32_t f = 0;
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for (int i = 0; i < FLAG_MAX; i++) {
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if (flags[i]) {
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f |= (1 << i);
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}
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}
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window_id = DisplayServer::get_singleton()->create_sub_window(DisplayServer::WindowMode(mode), f, Rect2i(position, size));
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ERR_FAIL_COND(window_id == DisplayServer::INVALID_WINDOW_ID);
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DisplayServer::get_singleton()->window_set_current_screen(current_screen, window_id);
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DisplayServer::get_singleton()->window_set_max_size(max_size, window_id);
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DisplayServer::get_singleton()->window_set_min_size(min_size, window_id);
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DisplayServer::get_singleton()->window_set_title(title, window_id);
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_update_size();
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}
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void Window::_update_from_window() {
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ERR_FAIL_COND(window_id == DisplayServer::INVALID_WINDOW_ID);
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mode = (Mode)DisplayServer::get_singleton()->window_get_mode(window_id);
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for (int i = 0; i < FLAG_MAX; i++) {
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flags[i] = DisplayServer::get_singleton()->window_get_flag(DisplayServer::WindowFlags(i), window_id);
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}
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position = DisplayServer::get_singleton()->window_get_position(window_id);
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size = DisplayServer::get_singleton()->window_get_size(window_id);
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max_size = DisplayServer::get_singleton()->window_get_max_size(window_id);
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min_size = DisplayServer::get_singleton()->window_get_min_size(window_id);
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}
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void Window::_clear_window() {
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ERR_FAIL_COND(window_id == DisplayServer::INVALID_WINDOW_ID);
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_update_from_window();
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DisplayServer::get_singleton()->delete_sub_window(window_id);
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window_id = DisplayServer::INVALID_WINDOW_ID;
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_update_size();
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}
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void Window::_resize_callback(const Size2i &p_callback) {
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size = p_callback;
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_update_size();
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}
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void Window::set_visible(bool p_visible) {
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if (visible == p_visible) {
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return;
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}
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if (!is_inside_tree()) {
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return;
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}
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bool subwindow = get_parent() && get_parent()->get_viewport()->is_embedding_subwindows();
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visible = p_visible;
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if (!subwindow) {
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if (p_visible && window_id != DisplayServer::INVALID_WINDOW_ID) {
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_clear_window();
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}
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if (!p_visible && window_id == DisplayServer::INVALID_WINDOW_ID) {
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_make_window();
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}
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} else {
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_update_size();
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}
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}
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bool Window::is_visible() const {
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return visible;
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}
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void Window::_update_size() {
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Size2i final_size;
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Size2i final_size_override;
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Rect2i attach_to_screen_rect(Point2i(), size);
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Transform2D stretch_transform;
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float font_oversampling = 1.0;
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if (content_scale_mode == CONTENT_SCALE_MODE_DISABLED || content_scale_size.x == 0 || content_scale_size.y == 0) {
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stretch_transform = Transform2D();
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final_size = size;
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} else {
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//actual screen video mode
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Size2 video_mode = size;
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Size2 desired_res = content_scale_size;
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Size2 viewport_size;
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Size2 screen_size;
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float viewport_aspect = desired_res.aspect();
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float video_mode_aspect = video_mode.aspect();
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if (content_scale_aspect == CONTENT_SCALE_ASPECT_IGNORE || Math::is_equal_approx(viewport_aspect, video_mode_aspect)) {
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//same aspect or ignore aspect
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viewport_size = desired_res;
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screen_size = video_mode;
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} else if (viewport_aspect < video_mode_aspect) {
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// screen ratio is smaller vertically
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if (content_scale_aspect == CONTENT_SCALE_ASPECT_KEEP_HEIGHT || content_scale_aspect == CONTENT_SCALE_ASPECT_EXPAND) {
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//will stretch horizontally
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viewport_size.x = desired_res.y * video_mode_aspect;
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viewport_size.y = desired_res.y;
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screen_size = video_mode;
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} else {
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//will need black bars
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viewport_size = desired_res;
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screen_size.x = video_mode.y * viewport_aspect;
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screen_size.y = video_mode.y;
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}
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} else {
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//screen ratio is smaller horizontally
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if (content_scale_aspect == CONTENT_SCALE_ASPECT_KEEP_WIDTH || content_scale_aspect == CONTENT_SCALE_ASPECT_EXPAND) {
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//will stretch horizontally
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viewport_size.x = desired_res.x;
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viewport_size.y = desired_res.x / video_mode_aspect;
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screen_size = video_mode;
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} else {
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//will need black bars
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viewport_size = desired_res;
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screen_size.x = video_mode.x;
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screen_size.y = video_mode.x / viewport_aspect;
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}
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}
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screen_size = screen_size.floor();
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viewport_size = viewport_size.floor();
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Size2 margin;
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Size2 offset;
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//black bars and margin
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if (content_scale_aspect != CONTENT_SCALE_ASPECT_EXPAND && screen_size.x < video_mode.x) {
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margin.x = Math::round((video_mode.x - screen_size.x) / 2.0);
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//VisualServer::get_singleton()->black_bars_set_margins(margin.x, 0, margin.x, 0);
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offset.x = Math::round(margin.x * viewport_size.y / screen_size.y);
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} else if (content_scale_aspect != CONTENT_SCALE_ASPECT_EXPAND && screen_size.y < video_mode.y) {
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margin.y = Math::round((video_mode.y - screen_size.y) / 2.0);
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//VisualServer::get_singleton()->black_bars_set_margins(0, margin.y, 0, margin.y);
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offset.y = Math::round(margin.y * viewport_size.x / screen_size.x);
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} else {
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//VisualServer::get_singleton()->black_bars_set_margins(0, 0, 0, 0);
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}
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switch (content_scale_mode) {
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case CONTENT_SCALE_MODE_DISABLED: {
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// Already handled above
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//_update_font_oversampling(1.0);
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} break;
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case CONTENT_SCALE_MODE_OBJECTS: {
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final_size = screen_size;
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final_size_override = viewport_size;
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attach_to_screen_rect = Rect2(margin, screen_size);
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font_oversampling = screen_size.x / viewport_size.x;
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} break;
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case CONTENT_SCALE_MODE_PIXELS: {
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final_size = viewport_size;
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attach_to_screen_rect = Rect2(margin, screen_size);
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} break;
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}
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Size2 scale = size / (Vector2(final_size) + margin * 2);
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stretch_transform.scale(scale);
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stretch_transform.elements[2] = margin * scale;
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}
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bool allocate = is_inside_tree() && visible && (window_id != DisplayServer::INVALID_WINDOW_ID || (get_parent() && get_parent()->get_viewport()->is_embedding_subwindows()));
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_set_size(final_size, final_size_override, attach_to_screen_rect, stretch_transform, allocate);
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if (window_id != DisplayServer::INVALID_WINDOW_ID) {
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VisualServer::get_singleton()->viewport_attach_to_screen(get_viewport_rid(), attach_to_screen_rect, window_id);
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} else {
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VisualServer::get_singleton()->viewport_attach_to_screen(get_viewport_rid(), Rect2i(), DisplayServer::INVALID_WINDOW_ID);
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}
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if (window_id == DisplayServer::MAIN_WINDOW_ID) {
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if (!use_font_oversampling) {
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font_oversampling = 1.0;
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}
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if (DynamicFontAtSize::font_oversampling != font_oversampling) {
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DynamicFontAtSize::font_oversampling = font_oversampling;
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DynamicFont::update_oversampling();
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}
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}
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}
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void Window::_notification(int p_what) {
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if (p_what == NOTIFICATION_ENTER_TREE) {
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if (is_embedded()) {
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//create as embedded
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_update_size();
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} else {
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if (get_parent() == nullptr) {
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//it's the root window!
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window_id = DisplayServer::MAIN_WINDOW_ID;
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_update_from_window();
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_update_size();
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DisplayServer::get_singleton()->window_set_resize_callback(callable_mp(this, &Window::_resize_callback), window_id);
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} else {
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//create
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_make_window();
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DisplayServer::get_singleton()->window_set_resize_callback(callable_mp(this, &Window::_resize_callback), window_id);
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}
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}
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}
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if (p_what == NOTIFICATION_EXIT_TREE) {
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if (!is_embedded() && window_id != DisplayServer::INVALID_WINDOW_ID) {
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if (window_id == DisplayServer::MAIN_WINDOW_ID) {
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DisplayServer::get_singleton()->window_set_resize_callback(Callable(), window_id);
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} else {
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_clear_window();
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}
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} else {
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_update_size();
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}
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}
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}
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void Window::set_content_scale_size(const Size2i &p_size) {
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ERR_FAIL_COND(p_size.x < 0);
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ERR_FAIL_COND(p_size.y < 0);
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content_scale_size = p_size;
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_update_size();
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}
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Size2i Window::get_content_scale_size() const {
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return content_scale_size;
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}
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void Window::set_content_scale_mode(const ContentScaleMode &p_mode) {
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content_scale_mode = p_mode;
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_update_size();
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}
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Window::ContentScaleMode Window::get_content_scale_mode() const {
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return content_scale_mode;
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}
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void Window::set_content_scale_aspect(const ContentScaleAspect &p_aspect) {
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content_scale_aspect = p_aspect;
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_update_size();
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}
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Window::ContentScaleAspect Window::get_content_scale_aspect() const {
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return content_scale_aspect;
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}
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void Window::set_use_font_oversampling(bool p_oversampling) {
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if (is_inside_tree() && window_id != DisplayServer::MAIN_WINDOW_ID) {
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ERR_FAIL_MSG("Only the root window can set and use font oversampling.");
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}
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use_font_oversampling = p_oversampling;
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_update_size();
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}
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bool Window::is_using_font_oversampling() const {
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return use_font_oversampling;
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}
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DisplayServer::WindowID Window::get_window_id() const {
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return window_id;
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}
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void Window::_bind_methods() {
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}
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Window::Window() {
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for (int i = 0; i < FLAG_MAX; i++) {
|
|
flags[i] = false;
|
|
}
|
|
content_scale_mode = CONTENT_SCALE_MODE_DISABLED;
|
|
content_scale_aspect = CONTENT_SCALE_ASPECT_IGNORE;
|
|
}
|
|
Window::~Window() {
|
|
}
|