5 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/math/rect.h>
23 #include <dali/public-api/math/uint-16-pair.h>
24 #include <dali/public-api/math/vector2.h>
25 #include <dali/public-api/math/vector4.h>
26 #include <dali/public-api/object/any.h>
27 #include <dali/public-api/object/base-handle.h>
28 #include <dali/public-api/signals/dali-signal.h>
32 #include <dali/public-api/dali-adaptor-common.h>
40 * @addtogroup dali_adaptor_framework
44 typedef Dali::Rect<int> PositionSize;
46 namespace Internal DALI_INTERNAL
52 } // namespace DALI_INTERNAL
54 class DragAndDropDetector;
63 * @brief The window class is used internally for drawing.
65 * A Window has an orientation and indicator properties.
66 * You can get a valid Window handle by calling Dali::Application::GetWindow().
69 class DALI_ADAPTOR_API Window : public BaseHandle
72 using WindowSize = Uint16Pair; ///< Window size type @SINCE_1_2.60
73 using WindowPosition = Uint16Pair; ///< Window position type @SINCE_1_2.60
75 using FocusChangeSignalType = Signal<void(Window, bool)>; ///< Window focus signal type @SINCE_1_4.35
76 using ResizeSignalType = Signal<void(Window, WindowSize)>; ///< Window resized signal type @SINCE_1_4.35
77 using KeyEventSignalType = Signal<void(const KeyEvent&)>; ///< Key event signal type @SINCE_1_9.21
78 using TouchEventSignalType = Signal<void(const TouchEvent&)>; ///< Touch signal type @SINCE_1_9.28
84 * @brief Enumeration for orientation of the window is the way in which a rectangular page is oriented for normal viewing.
86 * This Enumeration is used the available orientation APIs and the preferred orientation.
90 enum WindowOrientation
92 PORTRAIT = 0, ///< Portrait orientation. The height of the display area is greater than the width. @SINCE_1_0.0
93 LANDSCAPE = 90, ///< Landscape orientation. A wide view area is needed. @SINCE_1_0.0
94 PORTRAIT_INVERSE = 180, ///< Portrait inverse orientation @SINCE_1_0.0
95 LANDSCAPE_INVERSE = 270, ///< Landscape inverse orientation @SINCE_1_0.0
96 NO_ORIENTATION_PREFERENCE = -1 ///< No orientation. It is used to initialize or unset the preferred orientation. @SINCE_1_4.51
100 * @brief An enum of Window types.
105 NORMAL, ///< A default window type. Indicates a normal, top-level window. Almost every window will be created with this type. @SINCE_1_2.60
106 NOTIFICATION, ///< A notification window, like a warning about battery life or a new E-Mail received. @SINCE_1_2.60
107 UTILITY, ///< A persistent utility window, like a toolbox or palette. @SINCE_1_2.60
108 DIALOG ///< Used for simple dialog windows. @SINCE_1_2.60
112 * @brief An enum of screen mode.
115 struct NotificationLevel
118 * @brief An enum of screen mode.
123 NONE = -1, ///< No notification level. Default level. This value makes the notification window place in the layer of the normal window. @SINCE_1_2.60
124 BASE = 10, ///< Base notification level. @SINCE_1_2.60
125 MEDIUM = 20, ///< Higher notification level than base. @SINCE_1_2.60
126 HIGH = 30, ///< Higher notification level than medium. @SINCE_1_2.60
127 TOP = 40 ///< The highest notification level. @SINCE_1_2.60
132 * @brief An enum of screen mode.
138 * @brief An enum of screen mode.
143 TIMEOUT, ///< The mode which turns the screen off after a timeout. @SINCE_1_2.60
144 NEVER, ///< The mode which keeps the screen turned on. @SINCE_1_2.60
147 static constexpr Type DEFAULT{TIMEOUT}; ///< The default mode. @SINCE_1_2.60
153 * @brief Creates an initialized handle to a new Window.
155 * @param[in] windowPosition The position and size of the Window
156 * @param[in] name The Window title
157 * @param[in] isTransparent Whether Window is transparent
158 * @return A new window
159 * @note This creates an extra window in addition to the default main window
161 static Window New(PositionSize windowPosition, const std::string& name, bool isTransparent = false);
164 * @brief Creates an initialized handle to a new Window.
166 * @param[in] windowPosition The position and size of the Window
167 * @param[in] name The Window title
168 * @param[in] className The Window class name
169 * @param[in] isTransparent Whether Window is transparent
170 * @note This creates an extra window in addition to the default main window
171 * @return A new Window
173 static Window New(PositionSize windowPosition, const std::string& name, const std::string& className, bool isTransparent = false);
176 * @brief Creates an uninitialized handle.
178 * This can be initialized using Dali::Application::GetWindow() or
179 * Dali::Window::New().
187 * This is non-virtual since derived Handle types must not contain data or virtual methods.
193 * @brief This copy constructor is required for (smart) pointer semantics.
196 * @param[in] handle A reference to the copied handle
198 Window(const Window& handle);
201 * @brief This assignment operator is required for (smart) pointer semantics.
204 * @param[in] rhs A reference to the copied handle
205 * @return A reference to this
207 Window& operator=(const Window& rhs);
210 * @brief Move constructor.
213 * @param[in] rhs A reference to the moved handle
215 Window(Window&& rhs);
218 * @brief Move assignment operator.
221 * @param[in] rhs A reference to the moved handle
222 * @return A reference to this handle
224 Window& operator=(Window&& rhs);
227 * @brief Adds a child Actor to the Window.
229 * The child will be referenced.
232 * @param[in] actor The child
233 * @pre The actor has been initialized.
234 * @pre The actor does not have a parent.
236 void Add(Actor actor);
239 * @brief Removes a child Actor from the Window.
241 * The child will be unreferenced.
244 * @param[in] actor The child
245 * @pre The actor has been added to the stage.
247 void Remove(Actor actor);
250 * @brief Sets the background color of the Window.
253 * @param[in] color The new background color
255 void SetBackgroundColor(const Vector4& color);
258 * @brief Gets the background color of the Window.
261 * @return The background color
263 Vector4 GetBackgroundColor() const;
266 * @brief Returns the root Layer of the Window.
269 * @return The root layer
271 Layer GetRootLayer() const;
274 * @brief Queries the number of on-scene layers in the Window.
276 * Note that a default layer is always provided (count >= 1).
279 * @return The number of layers
281 uint32_t GetLayerCount() const;
284 * @brief Retrieves the layer at a specified depth in the Window.
287 * @param[in] depth The depth
288 * @return The layer found at the given depth
289 * @pre Depth is less than layer count; see GetLayerCount().
291 Layer GetLayer(uint32_t depth) const;
294 * @brief Retrieves the DPI of the window.
297 * @return The DPI of the window
299 Uint16Pair GetDpi() const;
302 * @brief Sets the window name and class string.
304 * @param[in] name The name of the window
305 * @param[in] klass The class of the window
307 void SetClass(std::string name, std::string klass);
310 * @brief Raises window to the top of Window stack.
316 * @brief Lowers window to the bottom of Window stack.
322 * @brief Activates window to the top of Window stack even it is iconified.
328 * @brief Adds an orientation to the list of available orientations.
330 * @param[in] orientation The available orientation to add
332 void AddAvailableOrientation(WindowOrientation orientation);
335 * @brief Removes an orientation from the list of available orientations.
337 * @param[in] orientation The available orientation to remove
339 void RemoveAvailableOrientation(WindowOrientation orientation);
342 * @brief Sets a preferred orientation.
344 * @param[in] orientation The preferred orientation
345 * @pre Orientation is in the list of available orientations.
347 * @note To unset the preferred orientation, orientation should be set NO_ORIENTATION_PREFERENCE.
349 void SetPreferredOrientation(WindowOrientation orientation);
352 * @brief Gets the preferred orientation.
354 * @return The preferred orientation if previously set, or none
356 WindowOrientation GetPreferredOrientation();
359 * @brief Gets the native handle of the window.
361 * When users call this function, it wraps the actual type used by the underlying window system.
363 * @return The native handle of the Window or an empty handle
365 Any GetNativeHandle() const;
368 * @brief Sets whether window accepts focus or not.
371 * @param[in] accept If focus is accepted or not. Default is true.
373 void SetAcceptFocus(bool accept);
376 * @brief Returns whether window accepts focus or not.
379 * @return True if the window accept focus, false otherwise
381 bool IsFocusAcceptable() const;
384 * @brief Shows the window if it is hidden.
390 * @brief Hides the window if it is showing.
396 * @brief Returns whether the window is visible or not.
398 * @return True if the window is visible, false otherwise.
400 bool IsVisible() const;
403 * @brief Gets the count of supported auxiliary hints of the window.
405 * @return The number of supported auxiliary hints.
407 * @note The window auxiliary hint is the value which is used to decide which actions should be made available to the user by the window manager.
408 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
410 unsigned int GetSupportedAuxiliaryHintCount() const;
413 * @brief Gets the supported auxiliary hint string of the window.
415 * @param[in] index The index of the supported auxiliary hint lists
416 * @return The auxiliary hint string of the index.
418 * @note The window auxiliary hint is the value which is used to decide which actions should be made available to the user by the window manager.
419 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
421 std::string GetSupportedAuxiliaryHint(unsigned int index) const;
424 * @brief Creates an auxiliary hint of the window.
426 * @param[in] hint The auxiliary hint string.
427 * @param[in] value The value string.
428 * @return The ID of created auxiliary hint, or @c 0 on failure.
430 unsigned int AddAuxiliaryHint(const std::string& hint, const std::string& value);
433 * @brief Removes an auxiliary hint of the window.
435 * @param[in] id The ID of the auxiliary hint.
436 * @return True if no error occurred, false otherwise.
438 bool RemoveAuxiliaryHint(unsigned int id);
441 * @brief Changes a value of the auxiliary hint.
443 * @param[in] id The auxiliary hint ID.
444 * @param[in] value The value string to be set.
445 * @return True if no error occurred, false otherwise.
447 bool SetAuxiliaryHintValue(unsigned int id, const std::string& value);
450 * @brief Gets a value of the auxiliary hint.
452 * @param[in] id The auxiliary hint ID.
453 * @return The string value of the auxiliary hint ID, or an empty string if none exists.
455 std::string GetAuxiliaryHintValue(unsigned int id) const;
458 * @brief Gets a ID of the auxiliary hint string.
460 * @param[in] hint The auxiliary hint string.
461 * @return The ID of the auxiliary hint string, or @c 0 if none exists.
463 unsigned int GetAuxiliaryHintId(const std::string& hint) const;
466 * @brief Sets a region to accept input events.
468 * @param[in] inputRegion The region to accept input events.
470 void SetInputRegion(const Rect<int>& inputRegion);
473 * @brief Sets a window type.
475 * @param[in] type The window type.
476 * @remarks The default window type is NORMAL.
478 void SetType(Type type);
481 * @brief Gets a window type.
483 * @return A window type.
485 Type GetType() const;
488 * @brief Sets a priority level for the specified notification window.
490 * @param[in] level The notification window level.
491 * @return True if no error occurred, false otherwise.
493 * @PRIVILEGE_WINDOW_PRIORITY
494 * @remarks This can be used for a notification type window only. The default level is NotificationLevel::NONE.
496 bool SetNotificationLevel(NotificationLevel::Type level);
499 * @brief Gets a priority level for the specified notification window.
501 * @return The notification window level.
502 * @remarks This can be used for a notification type window only.
504 NotificationLevel::Type GetNotificationLevel() const;
507 * @brief Sets a transparent window's visual state to opaque.
508 * @details If a visual state of a transparent window is opaque,
509 * then the window manager could handle it as an opaque window when calculating visibility.
511 * @param[in] opaque Whether the window's visual state is opaque.
512 * @remarks This will have no effect on an opaque window.
513 * It doesn't change transparent window to opaque window but lets the window manager know the visual state of the window.
515 void SetOpaqueState(bool opaque);
518 * @brief Returns whether a transparent window's visual state is opaque or not.
520 * @return True if the window's visual state is opaque, false otherwise.
521 * @remarks The return value has no meaning on an opaque window.
523 bool IsOpaqueState() const;
526 * @brief Sets a window's screen off mode.
527 * @details This API is useful when the application needs to keep the display turned on.
528 * If the application sets the screen mode to #::Dali::Window::ScreenOffMode::NEVER to its window and the window is shown,
529 * the window manager requests the display system to keep the display on as long as the window is shown.
530 * If the window is no longer shown, then the window manager requests the display system to go back to normal operation.
532 * @param[in] screenOffMode The screen mode.
533 * @return True if no error occurred, false otherwise.
537 bool SetScreenOffMode(ScreenOffMode::Type screenOffMode);
540 * @brief Gets a screen off mode of the window.
542 * @return The screen off mode.
544 ScreenOffMode::Type GetScreenOffMode() const;
547 * @brief Sets preferred brightness of the window.
548 * @details This API is useful when the application needs to change the brightness of the screen when it is appeared on the screen.
549 * If the brightness has been set and the window is shown, the window manager requests the display system to change the brightness to the provided value.
550 * If the window is no longer shown, then the window manager requests the display system to go back to default brightness.
551 * A value less than 0 results in default brightness and a value greater than 100 results in maximum brightness.
553 * @param[in] brightness The preferred brightness (0 to 100).
554 * @return True if no error occurred, false otherwise.
558 bool SetBrightness(int brightness);
561 * @brief Gets preferred brightness of the window.
563 * @return The preferred brightness.
565 int GetBrightness() const;
568 * @brief Sets a size of the window.
571 * @param[in] size The new window size
573 void SetSize(WindowSize size);
576 * @brief Gets a size of the window.
579 * @return The size of the window
581 WindowSize GetSize() const;
584 * @brief Sets a position of the window.
587 * @param[in] position The new window position
589 void SetPosition(WindowPosition position);
592 * @brief Gets a position of the window.
595 * @return The position of the window
597 WindowPosition GetPosition() const;
600 * @brief Sets whether the window is transparent or not.
603 * @param[in] transparent Whether the window is transparent
605 void SetTransparency(bool transparent);
608 * @brief Retrieves the list of render-tasks in the window.
611 * @return A valid handle to a RenderTaskList
613 RenderTaskList GetRenderTaskList();
617 * @brief The user should connect to this signal to get a timing when window gains focus or loses focus.
619 * A callback of the following type may be connected:
621 * void YourCallbackName( Window window, bool focusIn );
623 * The parameter is true if window gains focus, otherwise false.
624 * and window means this signal was called from what window
627 * @return The signal to connect to
629 FocusChangeSignalType& FocusChangeSignal();
632 * @brief This signal is emitted when the window is resized.
634 * A callback of the following type may be connected:
636 * void YourCallbackName( Window window, int width, int height );
638 * The parameters are the resized width and height.
639 * and window means this signal was called from what window
642 * @return The signal to connect to
644 ResizeSignalType& ResizeSignal();
647 * @brief This signal is emitted when key event is received.
649 * A callback of the following type may be connected:
651 * void YourCallbackName(const KeyEvent& event);
655 * @return The signal to connect to
657 KeyEventSignalType& KeyEventSignal();
660 * @brief This signal is emitted when the screen is touched and when the touch ends
661 * (i.e. the down & up touch events only).
663 * If there are multiple touch points, then this will be emitted when the first touch occurs and
664 * then when the last finger is lifted.
665 * An interrupted event will also be emitted (if it occurs).
666 * A callback of the following type may be connected:
668 * void YourCallbackName(const TouchEvent& event);
672 * @return The touch signal to connect to
674 * @note Motion events are not emitted.
676 TouchEventSignalType& TouchedSignal();
678 public: // Not intended for application developers
681 * @brief This constructor is used by Dali::Application::GetWindow().
683 * @param[in] window A pointer to the Window
685 explicit DALI_INTERNAL Window(Internal::Adaptor::Window* window);
694 #endif // __DALI_WINDOW_H__