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godot/servers/display_server.h

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/*************************************************************************/
/* display_server.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#ifndef DISPLAY_SERVER_H
#define DISPLAY_SERVER_H
#include "core/input/input.h"
#include "core/io/resource.h"
#include "core/os/os.h"
#include "core/variant/callable.h"
class Texture2D;
class DisplayServer : public Object {
GDCLASS(DisplayServer, Object)
static DisplayServer *singleton;
static bool hidpi_allowed;
public:
_FORCE_INLINE_ static DisplayServer *get_singleton() {
return singleton;
}
enum WindowMode {
WINDOW_MODE_WINDOWED,
WINDOW_MODE_MINIMIZED,
WINDOW_MODE_MAXIMIZED,
WINDOW_MODE_FULLSCREEN,
WINDOW_MODE_EXCLUSIVE_FULLSCREEN,
};
// Keep the VSyncMode enum values in sync with the `display/window/vsync/vsync_mode`
// project setting hint.
enum VSyncMode {
VSYNC_DISABLED,
VSYNC_ENABLED,
VSYNC_ADAPTIVE,
VSYNC_MAILBOX
};
enum HandleType {
DISPLAY_HANDLE,
WINDOW_HANDLE,
WINDOW_VIEW,
};
typedef DisplayServer *(*CreateFunction)(const String &, WindowMode, VSyncMode, uint32_t, const Size2i &, Error &r_error);
typedef Vector<String> (*GetRenderingDriversFunction)();
private:
static void _input_set_mouse_mode(Input::MouseMode p_mode);
static Input::MouseMode _input_get_mouse_mode();
static void _input_warp(const Vector2 &p_to_pos);
static Input::CursorShape _input_get_current_cursor_shape();
static void _input_set_custom_mouse_cursor_func(const RES &, Input::CursorShape, const Vector2 &p_hostspot);
protected:
static void _bind_methods();
enum {
MAX_SERVERS = 64
};
struct DisplayServerCreate {
const char *name;
CreateFunction create_function;
GetRenderingDriversFunction get_rendering_drivers_function;
};
static DisplayServerCreate server_create_functions[MAX_SERVERS];
static int server_create_count;
friend class RendererViewport;
public:
enum Feature {
FEATURE_GLOBAL_MENU,
FEATURE_SUBWINDOWS,
FEATURE_TOUCHSCREEN,
FEATURE_MOUSE,
FEATURE_MOUSE_WARP,
FEATURE_CLIPBOARD,
FEATURE_VIRTUAL_KEYBOARD,
FEATURE_CURSOR_SHAPE,
FEATURE_CUSTOM_CURSOR_SHAPE,
FEATURE_NATIVE_DIALOG,
FEATURE_IME,
FEATURE_WINDOW_TRANSPARENCY,
FEATURE_HIDPI,
FEATURE_ICON,
FEATURE_NATIVE_ICON,
FEATURE_ORIENTATION,
FEATURE_SWAP_BUFFERS,
FEATURE_KEEP_SCREEN_ON,
FEATURE_CLIPBOARD_PRIMARY,
};
virtual bool has_feature(Feature p_feature) const = 0;
virtual String get_name() const = 0;
virtual void global_menu_add_item(const String &p_menu_root, const String &p_label, const Callable &p_callback, const Variant &p_tag = Variant());
virtual void global_menu_add_check_item(const String &p_menu_root, const String &p_label, const Callable &p_callback, const Variant &p_tag = Variant());
virtual void global_menu_add_submenu_item(const String &p_menu_root, const String &p_label, const String &p_submenu);
virtual void global_menu_add_separator(const String &p_menu_root);
virtual bool global_menu_is_item_checked(const String &p_menu_root, int p_idx) const;
virtual bool global_menu_is_item_checkable(const String &p_menu_root, int p_idx) const;
virtual Callable global_menu_get_item_callback(const String &p_menu_root, int p_idx);
virtual Variant global_menu_get_item_tag(const String &p_menu_root, int p_idx);
virtual String global_menu_get_item_text(const String &p_menu_root, int p_idx);
virtual String global_menu_get_item_submenu(const String &p_menu_root, int p_idx);
virtual void global_menu_set_item_checked(const String &p_menu_root, int p_idx, bool p_checked);
virtual void global_menu_set_item_checkable(const String &p_menu_root, int p_idx, bool p_checkable);
virtual void global_menu_set_item_callback(const String &p_menu_root, int p_idx, const Callable &p_callback);
virtual void global_menu_set_item_tag(const String &p_menu_root, int p_idx, const Variant &p_tag);
virtual void global_menu_set_item_text(const String &p_menu_root, int p_idx, const String &p_text);
virtual void global_menu_set_item_submenu(const String &p_menu_root, int p_idx, const String &p_submenu);
virtual int global_menu_get_item_count(const String &p_menu_root) const;
virtual void global_menu_remove_item(const String &p_menu_root, int p_idx);
virtual void global_menu_clear(const String &p_menu_root);
enum MouseMode {
MOUSE_MODE_VISIBLE,
MOUSE_MODE_HIDDEN,
MOUSE_MODE_CAPTURED,
MOUSE_MODE_CONFINED,
MOUSE_MODE_CONFINED_HIDDEN,
};
virtual void mouse_set_mode(MouseMode p_mode);
virtual MouseMode mouse_get_mode() const;
virtual void mouse_warp_to_position(const Point2i &p_to);
virtual Point2i mouse_get_position() const;
virtual MouseButton mouse_get_button_state() const;
virtual void clipboard_set(const String &p_text);
virtual String clipboard_get() const;
virtual bool clipboard_has() const;
virtual void clipboard_set_primary(const String &p_text);
virtual String clipboard_get_primary() const;
enum {
SCREEN_OF_MAIN_WINDOW = -1
};
const float SCREEN_REFRESH_RATE_FALLBACK = 60.0; // Returned by screen_get_refresh_rate if the method fails. Most screens are 60hz as of 2022.
virtual int get_screen_count() const = 0;
virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual float screen_get_scale(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
virtual float screen_get_max_scale() const {
float scale = 1.f;
int screen_count = get_screen_count();
for (int i = 0; i < screen_count; i++) {
scale = fmax(scale, screen_get_scale(i));
}
return scale;
}
virtual float screen_get_refresh_rate(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual bool screen_is_touchscreen(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
// Keep the ScreenOrientation enum values in sync with the `display/window/handheld/orientation`
// project setting hint.
enum ScreenOrientation {
SCREEN_LANDSCAPE,
SCREEN_PORTRAIT,
SCREEN_REVERSE_LANDSCAPE,
SCREEN_REVERSE_PORTRAIT,
SCREEN_SENSOR_LANDSCAPE,
SCREEN_SENSOR_PORTRAIT,
SCREEN_SENSOR,
};
virtual void screen_set_orientation(ScreenOrientation p_orientation, int p_screen = SCREEN_OF_MAIN_WINDOW);
virtual ScreenOrientation screen_get_orientation(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
virtual void screen_set_keep_on(bool p_enable); //disable screensaver
virtual bool screen_is_kept_on() const;
enum {
MAIN_WINDOW_ID = 0,
INVALID_WINDOW_ID = -1
};
typedef int WindowID;
virtual Vector<DisplayServer::WindowID> get_window_list() const = 0;
enum WindowFlags {
WINDOW_FLAG_RESIZE_DISABLED,
WINDOW_FLAG_BORDERLESS,
WINDOW_FLAG_ALWAYS_ON_TOP,
WINDOW_FLAG_TRANSPARENT,
WINDOW_FLAG_NO_FOCUS,
WINDOW_FLAG_MAX,
};
// Separate enum otherwise we get warnings in switches not handling all values.
enum WindowFlagsBit {
WINDOW_FLAG_RESIZE_DISABLED_BIT = (1 << WINDOW_FLAG_RESIZE_DISABLED),
WINDOW_FLAG_BORDERLESS_BIT = (1 << WINDOW_FLAG_BORDERLESS),
WINDOW_FLAG_ALWAYS_ON_TOP_BIT = (1 << WINDOW_FLAG_ALWAYS_ON_TOP),
WINDOW_FLAG_TRANSPARENT_BIT = (1 << WINDOW_FLAG_TRANSPARENT),
WINDOW_FLAG_NO_FOCUS_BIT = (1 << WINDOW_FLAG_NO_FOCUS)
};
virtual WindowID create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i());
virtual void show_window(WindowID p_id);
virtual void delete_sub_window(WindowID p_id);
virtual int64_t window_get_native_handle(HandleType p_handle_type, WindowID p_window = MAIN_WINDOW_ID) const;
virtual WindowID get_window_at_screen_position(const Point2i &p_position) const = 0;
virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
enum WindowEvent {
WINDOW_EVENT_MOUSE_ENTER,
WINDOW_EVENT_MOUSE_EXIT,
WINDOW_EVENT_FOCUS_IN,
WINDOW_EVENT_FOCUS_OUT,
WINDOW_EVENT_CLOSE_REQUEST,
WINDOW_EVENT_GO_BACK_REQUEST,
WINDOW_EVENT_DPI_CHANGE,
};
virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_mouse_passthrough(const Vector<Vector2> &p_region, WindowID p_window = MAIN_WINDOW_ID);
virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_transient(WindowID p_window, WindowID p_parent) = 0;
virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual Size2i window_get_real_size(WindowID p_window = MAIN_WINDOW_ID) const = 0; // FIXME: Find clearer name for this.
virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_vsync_mode(VSyncMode p_vsync_mode, WindowID p_window = MAIN_WINDOW_ID);
virtual VSyncMode window_get_vsync_mode(WindowID p_window) const;
virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual bool can_any_window_draw() const = 0;
virtual void window_set_ime_active(const bool p_active, WindowID p_window = MAIN_WINDOW_ID);
virtual void window_set_ime_position(const Point2i &p_pos, WindowID p_window = MAIN_WINDOW_ID);
// necessary for GL focus, may be able to use one of the existing functions for this, not sure yet
virtual void gl_window_make_current(DisplayServer::WindowID p_window_id);
virtual Point2i ime_get_selection() const;
virtual String ime_get_text() const;
virtual void virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), bool p_multiline = false, int p_max_length = -1, int p_cursor_start = -1, int p_cursor_end = -1);
virtual void virtual_keyboard_hide();
// returns height of the currently shown virtual keyboard (0 if keyboard is hidden)
virtual int virtual_keyboard_get_height() const;
enum CursorShape {
CURSOR_ARROW,
CURSOR_IBEAM,
CURSOR_POINTING_HAND,
CURSOR_CROSS,
CURSOR_WAIT,
CURSOR_BUSY,
CURSOR_DRAG,
CURSOR_CAN_DROP,
CURSOR_FORBIDDEN,
CURSOR_VSIZE,
CURSOR_HSIZE,
CURSOR_BDIAGSIZE,
CURSOR_FDIAGSIZE,
CURSOR_MOVE,
CURSOR_VSPLIT,
CURSOR_HSPLIT,
CURSOR_HELP,
CURSOR_MAX
};
virtual void cursor_set_shape(CursorShape p_shape);
virtual CursorShape cursor_get_shape() const;
virtual void cursor_set_custom_image(const RES &p_cursor, CursorShape p_shape = CURSOR_ARROW, const Vector2 &p_hotspot = Vector2());
virtual bool get_swap_cancel_ok();
virtual void enable_for_stealing_focus(OS::ProcessID pid);
virtual Error dialog_show(String p_title, String p_description, Vector<String> p_buttons, const Callable &p_callback);
virtual Error dialog_input_text(String p_title, String p_description, String p_partial, const Callable &p_callback);
virtual int keyboard_get_layout_count() const;
virtual int keyboard_get_current_layout() const;
virtual void keyboard_set_current_layout(int p_index);
virtual String keyboard_get_layout_language(int p_index) const;
virtual String keyboard_get_layout_name(int p_index) const;
virtual Key keyboard_get_keycode_from_physical(Key p_keycode) const;
virtual int tablet_get_driver_count() const { return 1; };
virtual String tablet_get_driver_name(int p_driver) const { return "default"; };
virtual String tablet_get_current_driver() const { return "default"; };
virtual void tablet_set_current_driver(const String &p_driver){};
virtual void process_events() = 0;
virtual void force_process_and_drop_events();
virtual void release_rendering_thread();
virtual void make_rendering_thread();
virtual void swap_buffers();
virtual void set_native_icon(const String &p_filename);
virtual void set_icon(const Ref<Image> &p_icon);
enum Context {
CONTEXT_EDITOR,
CONTEXT_PROJECTMAN,
CONTEXT_ENGINE,
};
virtual void set_context(Context p_context);
static void register_create_function(const char *p_name, CreateFunction p_function, GetRenderingDriversFunction p_get_drivers);
static int get_create_function_count();
static const char *get_create_function_name(int p_index);
static Vector<String> get_create_function_rendering_drivers(int p_index);
static DisplayServer *create(int p_index, const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
DisplayServer();
~DisplayServer();
};
VARIANT_ENUM_CAST(DisplayServer::WindowEvent)
VARIANT_ENUM_CAST(DisplayServer::Feature)
VARIANT_ENUM_CAST(DisplayServer::MouseMode)
VARIANT_ENUM_CAST(DisplayServer::ScreenOrientation)
VARIANT_ENUM_CAST(DisplayServer::WindowMode)
VARIANT_ENUM_CAST(DisplayServer::WindowFlags)
VARIANT_ENUM_CAST(DisplayServer::HandleType)
VARIANT_ENUM_CAST(DisplayServer::CursorShape)
VARIANT_ENUM_CAST(DisplayServer::VSyncMode)
#endif // DISPLAY_SERVER_H
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