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window.cpp
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window.cpp
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/*************************************************************************/
/* window.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "window.h"
#include "core/debugger/engine_debugger.h"
#include "core/string/translation.h"
#include "scene/gui/control.h"
#include "scene/scene_string_names.h"
void Window::set_title(const String &p_title) {
title = p_title;
if (embedder) {
embedder->_sub_window_update(this);
} else if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_title(atr(p_title), window_id);
}
}
String Window::get_title() const {
return title;
}
void Window::set_current_screen(int p_screen) {
current_screen = p_screen;
if (window_id == DisplayServer::INVALID_WINDOW_ID) {
return;
}
DisplayServer::get_singleton()->window_set_current_screen(p_screen, window_id);
}
int Window::get_current_screen() const {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
current_screen = DisplayServer::get_singleton()->window_get_current_screen(window_id);
}
return current_screen;
}
void Window::set_position(const Point2i &p_position) {
position = p_position;
if (embedder) {
embedder->_sub_window_update(this);
} else if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_position(p_position, window_id);
}
}
Point2i Window::get_position() const {
return position;
}
void Window::set_size(const Size2i &p_size) {
size = p_size;
_update_window_size();
}
Size2i Window::get_size() const {
return size;
}
Size2i Window::get_real_size() const {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
return DisplayServer::get_singleton()->window_get_real_size(window_id);
}
return size;
}
void Window::set_max_size(const Size2i &p_max_size) {
max_size = p_max_size;
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_max_size(max_size, window_id);
}
_update_window_size();
}
Size2i Window::get_max_size() const {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
max_size = DisplayServer::get_singleton()->window_get_max_size(window_id);
}
return max_size;
}
void Window::set_min_size(const Size2i &p_min_size) {
min_size = p_min_size;
if (!wrap_controls && window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_min_size(min_size, window_id);
}
_update_window_size();
}
Size2i Window::get_min_size() const {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
min_size = DisplayServer::get_singleton()->window_get_min_size(window_id);
}
return min_size;
}
void Window::set_mode(Mode p_mode) {
mode = p_mode;
if (embedder) {
embedder->_sub_window_update(this);
} else if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_mode(DisplayServer::WindowMode(p_mode), window_id);
}
}
Window::Mode Window::get_mode() const {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
mode = (Mode)DisplayServer::get_singleton()->window_get_mode(window_id);
}
return mode;
}
void Window::set_flag(Flags p_flag, bool p_enabled) {
ERR_FAIL_INDEX(p_flag, FLAG_MAX);
flags[p_flag] = p_enabled;
if (embedder) {
embedder->_sub_window_update(this);
} else if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_flag(DisplayServer::WindowFlags(p_flag), p_enabled, window_id);
}
}
bool Window::get_flag(Flags p_flag) const {
ERR_FAIL_INDEX_V(p_flag, FLAG_MAX, false);
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
flags[p_flag] = DisplayServer::get_singleton()->window_get_flag(DisplayServer::WindowFlags(p_flag), window_id);
}
return flags[p_flag];
}
bool Window::is_maximize_allowed() const {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
return DisplayServer::get_singleton()->window_is_maximize_allowed(window_id);
}
return true;
}
void Window::request_attention() {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_request_attention(window_id);
}
}
void Window::move_to_foreground() {
if (embedder) {
embedder->_sub_window_grab_focus(this);
} else if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_move_to_foreground(window_id);
}
}
bool Window::can_draw() const {
if (!is_inside_tree()) {
return false;
}
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
return DisplayServer::get_singleton()->window_can_draw(window_id);
}
return visible;
}
void Window::set_ime_active(bool p_active) {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_ime_active(p_active, window_id);
}
}
void Window::set_ime_position(const Point2i &p_pos) {
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_ime_position(p_pos, window_id);
}
}
bool Window::is_embedded() const {
ERR_FAIL_COND_V(!is_inside_tree(), false);
return _get_embedder() != nullptr;
}
void Window::_make_window() {
ERR_FAIL_COND(window_id != DisplayServer::INVALID_WINDOW_ID);
uint32_t f = 0;
for (int i = 0; i < FLAG_MAX; i++) {
if (flags[i]) {
f |= (1 << i);
}
}
DisplayServer::VSyncMode vsync_mode = DisplayServer::get_singleton()->window_get_vsync_mode(DisplayServer::MAIN_WINDOW_ID);
window_id = DisplayServer::get_singleton()->create_sub_window(DisplayServer::WindowMode(mode), vsync_mode, f, Rect2i(position, size));
ERR_FAIL_COND(window_id == DisplayServer::INVALID_WINDOW_ID);
DisplayServer::get_singleton()->window_set_current_screen(current_screen, window_id);
DisplayServer::get_singleton()->window_set_max_size(max_size, window_id);
DisplayServer::get_singleton()->window_set_min_size(min_size, window_id);
DisplayServer::get_singleton()->window_set_title(atr(title), window_id);
DisplayServer::get_singleton()->window_attach_instance_id(get_instance_id(), window_id);
_update_window_size();
if (transient_parent && transient_parent->window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_transient(window_id, transient_parent->window_id);
}
for (Set<Window *>::Element *E = transient_children.front(); E; E = E->next()) {
if (E->get()->window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_transient(E->get()->window_id, transient_parent->window_id);
}
}
_update_window_callbacks();
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_WHEN_VISIBLE);
DisplayServer::get_singleton()->show_window(window_id);
}
void Window::_update_from_window() {
ERR_FAIL_COND(window_id == DisplayServer::INVALID_WINDOW_ID);
mode = (Mode)DisplayServer::get_singleton()->window_get_mode(window_id);
for (int i = 0; i < FLAG_MAX; i++) {
flags[i] = DisplayServer::get_singleton()->window_get_flag(DisplayServer::WindowFlags(i), window_id);
}
}
void Window::_clear_window() {
ERR_FAIL_COND(window_id == DisplayServer::INVALID_WINDOW_ID);
if (transient_parent && transient_parent->window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_transient(window_id, DisplayServer::INVALID_WINDOW_ID);
}
for (Set<Window *>::Element *E = transient_children.front(); E; E = E->next()) {
if (E->get()->window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_transient(E->get()->window_id, DisplayServer::INVALID_WINDOW_ID);
}
}
_update_from_window();
DisplayServer::get_singleton()->delete_sub_window(window_id);
window_id = DisplayServer::INVALID_WINDOW_ID;
_update_viewport_size();
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_DISABLED);
}
void Window::_rect_changed_callback(const Rect2i &p_callback) {
//we must always accept this as the truth
if (size == p_callback.size && position == p_callback.position) {
return;
}
position = p_callback.position;
if (size != p_callback.size) {
size = p_callback.size;
_update_viewport_size();
}
}
void Window::_propagate_window_notification(Node *p_node, int p_notification) {
p_node->notification(p_notification);
for (int i = 0; i < p_node->get_child_count(); i++) {
Node *child = p_node->get_child(i);
Window *window = Object::cast_to<Window>(child);
if (window) {
continue;
}
_propagate_window_notification(child, p_notification);
}
}
void Window::_event_callback(DisplayServer::WindowEvent p_event) {
switch (p_event) {
case DisplayServer::WINDOW_EVENT_MOUSE_ENTER: {
_propagate_window_notification(this, NOTIFICATION_WM_MOUSE_ENTER);
emit_signal(SNAME("mouse_entered"));
DisplayServer::get_singleton()->cursor_set_shape(DisplayServer::CURSOR_ARROW); //restore cursor shape
} break;
case DisplayServer::WINDOW_EVENT_MOUSE_EXIT: {
_propagate_window_notification(this, NOTIFICATION_WM_MOUSE_EXIT);
emit_signal(SNAME("mouse_exited"));
} break;
case DisplayServer::WINDOW_EVENT_FOCUS_IN: {
focused = true;
_propagate_window_notification(this, NOTIFICATION_WM_WINDOW_FOCUS_IN);
emit_signal(SNAME("focus_entered"));
} break;
case DisplayServer::WINDOW_EVENT_FOCUS_OUT: {
focused = false;
_propagate_window_notification(this, NOTIFICATION_WM_WINDOW_FOCUS_OUT);
emit_signal(SNAME("focus_exited"));
} break;
case DisplayServer::WINDOW_EVENT_CLOSE_REQUEST: {
if (exclusive_child != nullptr) {
break; //has an exclusive child, can't get events until child is closed
}
_propagate_window_notification(this, NOTIFICATION_WM_CLOSE_REQUEST);
emit_signal(SNAME("close_requested"));
} break;
case DisplayServer::WINDOW_EVENT_GO_BACK_REQUEST: {
_propagate_window_notification(this, NOTIFICATION_WM_GO_BACK_REQUEST);
emit_signal(SNAME("go_back_requested"));
} break;
case DisplayServer::WINDOW_EVENT_DPI_CHANGE: {
_update_viewport_size();
_propagate_window_notification(this, NOTIFICATION_WM_DPI_CHANGE);
emit_signal(SNAME("dpi_changed"));
} break;
}
}
void Window::show() {
set_visible(true);
}
void Window::hide() {
set_visible(false);
}
void Window::set_visible(bool p_visible) {
if (visible == p_visible) {
return;
}
visible = p_visible;
if (!is_inside_tree()) {
return;
}
if (updating_child_controls) {
_update_child_controls();
}
ERR_FAIL_COND_MSG(get_parent() == nullptr, "Can't change visibility of main window.");
Viewport *embedder_vp = _get_embedder();
if (!embedder_vp) {
if (!p_visible && window_id != DisplayServer::INVALID_WINDOW_ID) {
_clear_window();
}
if (p_visible && window_id == DisplayServer::INVALID_WINDOW_ID) {
_make_window();
}
} else {
if (visible) {
embedder = embedder_vp;
embedder->_sub_window_register(this);
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_WHEN_PARENT_VISIBLE);
} else {
embedder->_sub_window_remove(this);
embedder = nullptr;
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_DISABLED);
}
_update_window_size();
}
if (!visible) {
focused = false;
}
notification(NOTIFICATION_VISIBILITY_CHANGED);
emit_signal(SceneStringNames::get_singleton()->visibility_changed);
RS::get_singleton()->viewport_set_active(get_viewport_rid(), visible);
//update transient exclusive
if (transient_parent) {
if (exclusive && visible) {
ERR_FAIL_COND_MSG(transient_parent->exclusive_child && transient_parent->exclusive_child != this, "Transient parent has another exclusive child.");
transient_parent->exclusive_child = this;
} else {
if (transient_parent->exclusive_child == this) {
transient_parent->exclusive_child = nullptr;
}
}
}
}
void Window::_clear_transient() {
if (transient_parent) {
if (transient_parent->window_id != DisplayServer::INVALID_WINDOW_ID && window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_transient(window_id, DisplayServer::INVALID_WINDOW_ID);
}
transient_parent->transient_children.erase(this);
if (transient_parent->exclusive_child == this) {
transient_parent->exclusive_child = nullptr;
}
transient_parent = nullptr;
}
}
void Window::_make_transient() {
if (!get_parent()) {
//main window, can't be transient
return;
}
//find transient parent
Viewport *vp = get_parent()->get_viewport();
Window *window = nullptr;
while (vp) {
window = Object::cast_to<Window>(vp);
if (window) {
break;
}
if (!vp->get_parent()) {
break;
}
vp = vp->get_parent()->get_viewport();
}
if (window) {
transient_parent = window;
window->transient_children.insert(this);
if (is_inside_tree() && is_visible() && exclusive) {
if (transient_parent->exclusive_child == nullptr) {
transient_parent->exclusive_child = this;
} else if (transient_parent->exclusive_child != this) {
ERR_PRINT("Making child transient exclusive, but parent has another exclusive child");
}
}
}
//see if we can make transient
if (transient_parent->window_id != DisplayServer::INVALID_WINDOW_ID && window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_transient(window_id, transient_parent->window_id);
}
}
void Window::set_transient(bool p_transient) {
if (transient == p_transient) {
return;
}
transient = p_transient;
if (!is_inside_tree()) {
return;
}
if (transient) {
_make_transient();
} else {
_clear_transient();
}
}
bool Window::is_transient() const {
return transient;
}
void Window::set_exclusive(bool p_exclusive) {
if (exclusive == p_exclusive) {
return;
}
exclusive = p_exclusive;
if (transient_parent) {
if (p_exclusive && is_inside_tree() && is_visible()) {
ERR_FAIL_COND_MSG(transient_parent->exclusive_child && transient_parent->exclusive_child != this, "Transient parent has another exclusive child.");
transient_parent->exclusive_child = this;
} else {
if (transient_parent->exclusive_child == this) {
transient_parent->exclusive_child = nullptr;
}
}
}
}
bool Window::is_exclusive() const {
return exclusive;
}
bool Window::is_visible() const {
return visible;
}
void Window::_update_window_size() {
Size2i size_limit;
if (wrap_controls) {
size_limit = get_contents_minimum_size();
}
size_limit.x = MAX(size_limit.x, min_size.x);
size_limit.y = MAX(size_limit.y, min_size.y);
size.x = MAX(size_limit.x, size.x);
size.y = MAX(size_limit.y, size.y);
if (max_size.x > 0 && max_size.x > min_size.x && size.x > max_size.x) {
size.x = max_size.x;
}
if (max_size.y > 0 && max_size.y > min_size.y && size.y > max_size.y) {
size.y = max_size.y;
}
if (embedder) {
embedder->_sub_window_update(this);
} else if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_size(size, window_id);
DisplayServer::get_singleton()->window_set_min_size(size_limit, window_id);
}
//update the viewport
_update_viewport_size();
}
void Window::_update_viewport_size() {
//update the viewport part
Size2i final_size;
Size2i final_size_override;
Rect2i attach_to_screen_rect(Point2i(), size);
Transform2D stretch_transform;
float font_oversampling = 1.0;
if (content_scale_mode == CONTENT_SCALE_MODE_DISABLED || content_scale_size.x == 0 || content_scale_size.y == 0) {
stretch_transform = Transform2D();
final_size = size;
} else {
//actual screen video mode
Size2 video_mode = size;
Size2 desired_res = content_scale_size;
Size2 viewport_size;
Size2 screen_size;
float viewport_aspect = desired_res.aspect();
float video_mode_aspect = video_mode.aspect();
if (content_scale_aspect == CONTENT_SCALE_ASPECT_IGNORE || Math::is_equal_approx(viewport_aspect, video_mode_aspect)) {
//same aspect or ignore aspect
viewport_size = desired_res;
screen_size = video_mode;
} else if (viewport_aspect < video_mode_aspect) {
// screen ratio is smaller vertically
if (content_scale_aspect == CONTENT_SCALE_ASPECT_KEEP_HEIGHT || content_scale_aspect == CONTENT_SCALE_ASPECT_EXPAND) {
//will stretch horizontally
viewport_size.x = desired_res.y * video_mode_aspect;
viewport_size.y = desired_res.y;
screen_size = video_mode;
} else {
//will need black bars
viewport_size = desired_res;
screen_size.x = video_mode.y * viewport_aspect;
screen_size.y = video_mode.y;
}
} else {
//screen ratio is smaller horizontally
if (content_scale_aspect == CONTENT_SCALE_ASPECT_KEEP_WIDTH || content_scale_aspect == CONTENT_SCALE_ASPECT_EXPAND) {
//will stretch horizontally
viewport_size.x = desired_res.x;
viewport_size.y = desired_res.x / video_mode_aspect;
screen_size = video_mode;
} else {
//will need black bars
viewport_size = desired_res;
screen_size.x = video_mode.x;
screen_size.y = video_mode.x / viewport_aspect;
}
}
screen_size = screen_size.floor();
viewport_size = viewport_size.floor();
Size2 margin;
Size2 offset;
//black bars and margin
if (content_scale_aspect != CONTENT_SCALE_ASPECT_EXPAND && screen_size.x < video_mode.x) {
margin.x = Math::round((video_mode.x - screen_size.x) / 2.0);
//RenderingServer::get_singleton()->black_bars_set_margins(margin.x, 0, margin.x, 0);
offset.x = Math::round(margin.x * viewport_size.y / screen_size.y);
} else if (content_scale_aspect != CONTENT_SCALE_ASPECT_EXPAND && screen_size.y < video_mode.y) {
margin.y = Math::round((video_mode.y - screen_size.y) / 2.0);
//RenderingServer::get_singleton()->black_bars_set_margins(0, margin.y, 0, margin.y);
offset.y = Math::round(margin.y * viewport_size.x / screen_size.x);
} else {
//RenderingServer::get_singleton()->black_bars_set_margins(0, 0, 0, 0);
}
switch (content_scale_mode) {
case CONTENT_SCALE_MODE_DISABLED: {
// Already handled above
//_update_font_oversampling(1.0);
} break;
case CONTENT_SCALE_MODE_CANVAS_ITEMS: {
final_size = screen_size;
final_size_override = viewport_size;
attach_to_screen_rect = Rect2(margin, screen_size);
font_oversampling = screen_size.x / viewport_size.x;
Size2 scale = Vector2(screen_size) / Vector2(final_size_override);
stretch_transform.scale(scale);
} break;
case CONTENT_SCALE_MODE_VIEWPORT: {
final_size = viewport_size;
attach_to_screen_rect = Rect2(margin, screen_size);
} break;
}
}
bool allocate = is_inside_tree() && visible && (window_id != DisplayServer::INVALID_WINDOW_ID || embedder != nullptr);
_set_size(final_size, final_size_override, attach_to_screen_rect, stretch_transform, allocate);
if (window_id != DisplayServer::INVALID_WINDOW_ID) {
RenderingServer::get_singleton()->viewport_attach_to_screen(get_viewport_rid(), attach_to_screen_rect, window_id);
} else {
RenderingServer::get_singleton()->viewport_attach_to_screen(get_viewport_rid(), Rect2i(), DisplayServer::INVALID_WINDOW_ID);
}
if (window_id == DisplayServer::MAIN_WINDOW_ID) {
if (!use_font_oversampling) {
font_oversampling = 1.0;
}
if (TS->font_get_global_oversampling() != font_oversampling) {
TS->font_set_global_oversampling(font_oversampling);
}
}
notification(NOTIFICATION_WM_SIZE_CHANGED);
if (embedder) {
embedder->_sub_window_update(this);
}
}
void Window::_update_window_callbacks() {
DisplayServer::get_singleton()->window_set_rect_changed_callback(callable_mp(this, &Window::_rect_changed_callback), window_id);
DisplayServer::get_singleton()->window_set_window_event_callback(callable_mp(this, &Window::_event_callback), window_id);
DisplayServer::get_singleton()->window_set_input_event_callback(callable_mp(this, &Window::_window_input), window_id);
DisplayServer::get_singleton()->window_set_input_text_callback(callable_mp(this, &Window::_window_input_text), window_id);
DisplayServer::get_singleton()->window_set_drop_files_callback(callable_mp(this, &Window::_window_drop_files), window_id);
}
Viewport *Window::_get_embedder() const {
Viewport *vp = get_parent_viewport();
while (vp) {
if (vp->is_embedding_subwindows()) {
return vp;
}
if (vp->get_parent()) {
vp = vp->get_parent()->get_viewport();
} else {
vp = nullptr;
}
}
return nullptr;
}
void Window::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
bool embedded = false;
{
embedder = _get_embedder();
if (embedder) {
embedded = true;
if (!visible) {
embedder = nullptr; //not yet since not visible
}
}
}
if (embedded) {
//create as embedded
if (embedder) {
embedder->_sub_window_register(this);
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_WHEN_PARENT_VISIBLE);
_update_window_size();
}
} else {
if (get_parent() == nullptr) {
//it's the root window!
visible = true; //always visible
window_id = DisplayServer::MAIN_WINDOW_ID;
DisplayServer::get_singleton()->window_attach_instance_id(get_instance_id(), window_id);
_update_from_window();
//since this window already exists (created on start), we must update pos and size from it
{
position = DisplayServer::get_singleton()->window_get_position(window_id);
size = DisplayServer::get_singleton()->window_get_size(window_id);
}
_update_viewport_size(); //then feed back to the viewport
_update_window_callbacks();
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_WHEN_VISIBLE);
} else {
//create
if (visible) {
_make_window();
}
}
}
if (transient) {
_make_transient();
}
if (visible) {
notification(NOTIFICATION_VISIBILITY_CHANGED);
emit_signal(SceneStringNames::get_singleton()->visibility_changed);
RS::get_singleton()->viewport_set_active(get_viewport_rid(), true);
}
} break;
case NOTIFICATION_READY: {
if (wrap_controls) {
_update_child_controls();
}
} break;
case NOTIFICATION_TRANSLATION_CHANGED: {
if (embedder) {
embedder->_sub_window_update(this);
} else if (window_id != DisplayServer::INVALID_WINDOW_ID) {
DisplayServer::get_singleton()->window_set_title(atr(title), window_id);
}
child_controls_changed();
} break;
case NOTIFICATION_EXIT_TREE: {
if (transient) {
_clear_transient();
}
if (!is_embedded() && window_id != DisplayServer::INVALID_WINDOW_ID) {
if (window_id == DisplayServer::MAIN_WINDOW_ID) {
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_DISABLED);
_update_window_callbacks();
} else {
_clear_window();
}
} else {
if (embedder) {
embedder->_sub_window_remove(this);
embedder = nullptr;
RS::get_singleton()->viewport_set_update_mode(get_viewport_rid(), RS::VIEWPORT_UPDATE_DISABLED);
}
_update_viewport_size(); //called by clear and make, which does not happen here
}
RS::get_singleton()->viewport_set_active(get_viewport_rid(), false);
} break;
}
}
void Window::set_content_scale_size(const Size2i &p_size) {
ERR_FAIL_COND(p_size.x < 0);
ERR_FAIL_COND(p_size.y < 0);
content_scale_size = p_size;
_update_viewport_size();
}
Size2i Window::get_content_scale_size() const {
return content_scale_size;
}
void Window::set_content_scale_mode(ContentScaleMode p_mode) {
content_scale_mode = p_mode;
_update_viewport_size();
}
Window::ContentScaleMode Window::get_content_scale_mode() const {
return content_scale_mode;
}
void Window::set_content_scale_aspect(ContentScaleAspect p_aspect) {
content_scale_aspect = p_aspect;
_update_viewport_size();
}
Window::ContentScaleAspect Window::get_content_scale_aspect() const {
return content_scale_aspect;
}
void Window::set_use_font_oversampling(bool p_oversampling) {
if (is_inside_tree() && window_id != DisplayServer::MAIN_WINDOW_ID) {
ERR_FAIL_MSG("Only the root window can set and use font oversampling.");
}
use_font_oversampling = p_oversampling;
_update_viewport_size();
}
bool Window::is_using_font_oversampling() const {
return use_font_oversampling;
}
DisplayServer::WindowID Window::get_window_id() const {
if (embedder) {
return parent->get_window_id();
}
return window_id;
}
void Window::set_wrap_controls(bool p_enable) {
wrap_controls = p_enable;
if (wrap_controls) {
child_controls_changed();
}
}
bool Window::is_wrapping_controls() const {
return wrap_controls;
}
Size2 Window::_get_contents_minimum_size() const {
Size2 max;
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (c) {
Point2i pos = c->get_position();
Size2i min = c->get_combined_minimum_size();
max.x = MAX(pos.x + min.x, max.x);
max.y = MAX(pos.y + min.y, max.y);
}
}
return max;
}
void Window::_update_child_controls() {
if (!updating_child_controls) {
return;
}
_update_window_size();
updating_child_controls = false;
}
void Window::child_controls_changed() {
if (!is_inside_tree() || !visible || updating_child_controls) {
return;
}
updating_child_controls = true;
call_deferred(SNAME("_update_child_controls"));
}
bool Window::_can_consume_input_events() const {
return exclusive_child == nullptr;
}
void Window::_window_input(const Ref<InputEvent> &p_ev) {
if (EngineDebugger::is_active()) {
//quit from game window using F8
Ref<InputEventKey> k = p_ev;
if (k.is_valid() && k->is_pressed() && !k->is_echo() && k->get_keycode() == KEY_F8) {
EngineDebugger::get_singleton()->send_message("request_quit", Array());
}
}
if (exclusive_child != nullptr) {
/*
Window *focus_target = exclusive_child;
focus_target->grab_focus();
while (focus_target->exclusive_child != nullptr) {
focus_target = focus_target->exclusive_child;
focus_target->grab_focus();
}*/
if (!is_embedding_subwindows()) { //not embedding, no need for event
return;
}
}
emit_signal(SceneStringNames::get_singleton()->window_input, p_ev);
push_input(p_ev);
if (!is_input_handled()) {
push_unhandled_input(p_ev);
}
}
void Window::_window_input_text(const String &p_text) {
push_text_input(p_text);
}
void Window::_window_drop_files(const Vector<String> &p_files) {
emit_signal(SNAME("files_dropped"), p_files, current_screen);
}
Viewport *Window::get_parent_viewport() const {
if (get_parent()) {
return get_parent()->get_viewport();
} else {
return nullptr;
}
}
Window *Window::get_parent_visible_window() const {
Viewport *vp = get_parent_viewport();
Window *window = nullptr;
while (vp) {
window = Object::cast_to<Window>(vp);
if (window && window->visible) {
break;
}
if (!vp->get_parent()) {
break;
}
vp = vp->get_parent()->get_viewport();
}
return window;
}
void Window::popup_on_parent(const Rect2i &p_parent_rect) {
ERR_FAIL_COND(!is_inside_tree());
ERR_FAIL_COND_MSG(window_id == DisplayServer::MAIN_WINDOW_ID, "Can't popup the main window.");
if (!is_embedded()) {
Window *window = get_parent_visible_window();
if (!window) {
popup(p_parent_rect);
} else {
popup(Rect2i(window->get_position() + p_parent_rect.position, p_parent_rect.size));
}
} else {
popup(p_parent_rect);
}
}
void Window::popup_centered_clamped(const Size2i &p_size, float p_fallback_ratio) {
ERR_FAIL_COND(!is_inside_tree());
ERR_FAIL_COND_MSG(window_id == DisplayServer::MAIN_WINDOW_ID, "Can't popup the main window.");
Rect2 parent_rect;
if (is_embedded()) {
parent_rect = get_parent_viewport()->get_visible_rect();
} else {
DisplayServer::WindowID parent_id = get_parent_visible_window()->get_window_id();
int parent_screen = DisplayServer::get_singleton()->window_get_current_screen(parent_id);
parent_rect.position = DisplayServer::get_singleton()->screen_get_position(parent_screen);
parent_rect.size = DisplayServer::get_singleton()->screen_get_size(parent_screen);
}
Vector2i size_ratio = parent_rect.size * p_fallback_ratio;
Rect2i popup_rect;
popup_rect.size = Vector2i(MIN(size_ratio.x, p_size.x), MIN(size_ratio.y, p_size.y));
popup_rect.position = parent_rect.position + (parent_rect.size - popup_rect.size) / 2;
popup(popup_rect);
}
void Window::popup_centered(const Size2i &p_minsize) {
ERR_FAIL_COND(!is_inside_tree());