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97aa278edb
On Windows this allows to avoid having to change the owner of the window after it has been created, which in rare circumstances may cause the window to bug out.
211 lines
12 KiB
C++
211 lines
12 KiB
C++
/**************************************************************************/
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/* display_server_headless.h */
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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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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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#ifndef DISPLAY_SERVER_HEADLESS_H
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#define DISPLAY_SERVER_HEADLESS_H
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#include "servers/display_server.h"
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#include "servers/rendering/dummy/rasterizer_dummy.h"
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class DisplayServerHeadless : public DisplayServer {
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private:
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friend class DisplayServer;
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static Vector<String> get_rendering_drivers_func() {
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Vector<String> drivers;
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drivers.push_back("dummy");
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return drivers;
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}
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static DisplayServer *create_func(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, int p_screen, Context p_context, Error &r_error) {
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r_error = OK;
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RasterizerDummy::make_current();
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return memnew(DisplayServerHeadless());
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}
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static void _dispatch_input_events(const Ref<InputEvent> &p_event) {
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static_cast<DisplayServerHeadless *>(get_singleton())->_dispatch_input_event(p_event);
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}
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void _dispatch_input_event(const Ref<InputEvent> &p_event) {
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if (input_event_callback.is_valid()) {
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input_event_callback.call(p_event);
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}
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}
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NativeMenu *native_menu = nullptr;
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Callable input_event_callback;
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public:
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bool has_feature(Feature p_feature) const override { return false; }
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String get_name() const override { return "headless"; }
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// Stub implementations to prevent warnings from being printed for methods
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// that don't affect the project's behavior in headless mode.
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int get_screen_count() const override { return 0; }
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int get_primary_screen() const override { return 0; };
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Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const override { return Point2i(); }
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Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const override { return Size2i(); }
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Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const override { return Rect2i(); }
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int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const override { return 96; /* 0 might cause issues */ }
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float screen_get_scale(int p_screen = SCREEN_OF_MAIN_WINDOW) const override { return 1; }
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float screen_get_max_scale() const override { return 1; }
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float screen_get_refresh_rate(int p_screen = SCREEN_OF_MAIN_WINDOW) const override { return SCREEN_REFRESH_RATE_FALLBACK; }
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void screen_set_orientation(ScreenOrientation p_orientation, int p_screen = SCREEN_OF_MAIN_WINDOW) override {}
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void screen_set_keep_on(bool p_enable) override {}
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Vector<DisplayServer::WindowID> get_window_list() const override { return Vector<DisplayServer::WindowID>(); }
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WindowID create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i(), bool p_exclusive = false, WindowID p_transient_parent = INVALID_WINDOW_ID) override { return 0; }
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void show_window(WindowID p_id) override {}
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void delete_sub_window(WindowID p_id) override {}
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WindowID get_window_at_screen_position(const Point2i &p_position) const override { return 0; }
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void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) override {}
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ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const override { return ObjectID(); }
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void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override {
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input_event_callback = p_callable;
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}
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void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_set_mouse_passthrough(const Vector<Vector2> &p_region, WindowID p_window = MAIN_WINDOW_ID) override {}
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int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const override { return -1; }
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void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) override {}
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Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const override { return Point2i(); }
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Point2i window_get_position_with_decorations(WindowID p_window = MAIN_WINDOW_ID) const override { return Point2i(); }
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void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_set_transient(WindowID p_window, WindowID p_parent) override {}
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void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override {}
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Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const override { return Size2i(); }
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void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override {}
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Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const override { return Size2i(); }
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void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override {}
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Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const override { return Size2i(); }
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Size2i window_get_size_with_decorations(WindowID p_window = MAIN_WINDOW_ID) const override { return Size2i(); }
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void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) override {}
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WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const override { return WINDOW_MODE_MINIMIZED; }
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void window_set_vsync_mode(VSyncMode p_vsync_mode, WindowID p_window = MAIN_WINDOW_ID) override {}
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VSyncMode window_get_vsync_mode(WindowID p_window) const override { return VSyncMode::VSYNC_ENABLED; }
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bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const override { return false; }
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void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) override {}
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bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const override { return false; }
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void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) override {}
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bool window_is_focused(WindowID p_window = MAIN_WINDOW_ID) const override { return true; };
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bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const override { return false; }
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bool can_any_window_draw() const override { return false; }
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void window_set_ime_active(const bool p_active, WindowID p_window = MAIN_WINDOW_ID) override {}
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void window_set_ime_position(const Point2i &p_pos, WindowID p_window = MAIN_WINDOW_ID) override {}
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int64_t window_get_native_handle(HandleType p_handle_type, WindowID p_window = MAIN_WINDOW_ID) const override { return 0; }
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void process_events() override {
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Input::get_singleton()->flush_buffered_events();
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}
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void set_native_icon(const String &p_filename) override {}
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void set_icon(const Ref<Image> &p_icon) override {}
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void help_set_search_callbacks(const Callable &p_search_callback = Callable(), const Callable &p_action_callback = Callable()) override {}
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bool tts_is_speaking() const override { return false; }
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bool tts_is_paused() const override { return false; }
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TypedArray<Dictionary> tts_get_voices() const override { return TypedArray<Dictionary>(); }
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void tts_speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.0f, float p_rate = 1.0f, int p_utterance_id = 0, bool p_interrupt = false) override {}
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void tts_pause() override {}
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void tts_resume() override {}
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void tts_stop() override {}
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void mouse_set_mode(MouseMode p_mode) override {}
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Point2i mouse_get_position() const override { return Point2i(); }
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void clipboard_set(const String &p_text) override {}
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void clipboard_set_primary(const String &p_text) override {}
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void virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), VirtualKeyboardType p_type = KEYBOARD_TYPE_DEFAULT, int p_max_length = -1, int p_cursor_start = -1, int p_cursor_end = -1) override {}
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void virtual_keyboard_hide() override {}
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void cursor_set_shape(CursorShape p_shape) override {}
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void cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape = CURSOR_ARROW, const Vector2 &p_hotspot = Vector2()) override {}
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Error dialog_show(String p_title, String p_description, Vector<String> p_buttons, const Callable &p_callback) override { return ERR_UNAVAILABLE; }
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Error dialog_input_text(String p_title, String p_description, String p_partial, const Callable &p_callback) override { return ERR_UNAVAILABLE; }
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Error file_dialog_show(const String &p_title, const String &p_current_directory, const String &p_filename, bool p_show_hidden, FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback) override { return ERR_UNAVAILABLE; }
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Error file_dialog_with_options_show(const String &p_title, const String &p_current_directory, const String &p_root, const String &p_filename, bool p_show_hidden, FileDialogMode p_mode, const Vector<String> &p_filters, const TypedArray<Dictionary> &p_options, const Callable &p_callback) override { return ERR_UNAVAILABLE; }
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void release_rendering_thread() override {}
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void swap_buffers() override {}
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IndicatorID create_status_indicator(const Ref<Texture2D> &p_icon, const String &p_tooltip, const Callable &p_callback) override { return INVALID_INDICATOR_ID; }
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void status_indicator_set_icon(IndicatorID p_id, const Ref<Texture2D> &p_icon) override {}
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void status_indicator_set_tooltip(IndicatorID p_id, const String &p_tooltip) override {}
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void status_indicator_set_callback(IndicatorID p_id, const Callable &p_callback) override {}
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void delete_status_indicator(IndicatorID p_id) override {}
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DisplayServerHeadless() {
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native_menu = memnew(NativeMenu);
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Input::get_singleton()->set_event_dispatch_function(_dispatch_input_events);
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}
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~DisplayServerHeadless() {
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if (native_menu) {
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memdelete(native_menu);
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native_menu = nullptr;
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}
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}
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};
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#endif // DISPLAY_SERVER_HEADLESS_H
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