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.
23 #include <dali/public-api/math/rect.h>
24 #include <dali/public-api/math/uint-16-pair.h>
25 #include <dali/public-api/math/vector2.h>
26 #include <dali/public-api/math/vector4.h>
27 #include <dali/public-api/object/base-handle.h>
28 #include <dali/public-api/object/any.h>
29 #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
54 class DragAndDropDetector;
60 * @brief The window class is used internally for drawing.
62 * A Window has an orientation and indicator properties.
63 * You can get a valid Window handle by calling Dali::Application::GetWindow().
66 class DALI_ADAPTOR_API Window : public BaseHandle
70 typedef Uint16Pair WindowSize; ///< Window size type @SINCE_1_2.60
71 typedef Uint16Pair WindowPosition; ///< Window position type @SINCE_1_2.60
73 typedef Signal< void (WindowSize) > ResizedSignalType; ///< @DEPRECATED_1_4.35 @brief Window resized signal type @SINCE_1_2.60
74 typedef Signal< void (Window,bool) > FocusChangeSignalType; ///< Window focus signal type @SINCE_1_4.35
75 typedef Signal< void (Window,WindowSize) > ResizeSignalType; ///< Window resized signal type @SINCE_1_4.35
81 * @brief Enumeration for orientation of the window is the way in which a rectangular page is oriented for normal viewing.
83 * This Enumeration is used the available orientation APIs and the preferred orientation.
87 enum WindowOrientation
89 PORTRAIT = 0, ///< Portrait orientation. The height of the display area is greater than the width. @SINCE_1_0.0
90 LANDSCAPE = 90, ///< Landscape orientation. A wide view area is needed. @SINCE_1_0.0
91 PORTRAIT_INVERSE = 180, ///< Portrait inverse orientation @SINCE_1_0.0
92 LANDSCAPE_INVERSE = 270, ///< Landscape inverse orientation @SINCE_1_0.0
93 NO_ORIENTATION_PREFERENCE = -1 ///< No orientation. It is used to initialize or unset the preferred orientation. @SINCE_1_4.51
97 * @brief An enum of Window types.
102 NORMAL, ///< A default window type. Indicates a normal, top-level window. Almost every window will be created with this type. @SINCE_1_2.60
103 NOTIFICATION, ///< A notification window, like a warning about battery life or a new E-Mail received. @SINCE_1_2.60
104 UTILITY, ///< A persistent utility window, like a toolbox or palette. @SINCE_1_2.60
105 DIALOG ///< Used for simple dialog windows. @SINCE_1_2.60
109 * @brief An enum of screen mode.
112 struct NotificationLevel
115 * @brief An enum of screen mode.
120 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
121 BASE = 10, ///< Base notification level. @SINCE_1_2.60
122 MEDIUM = 20, ///< Higher notification level than base. @SINCE_1_2.60
123 HIGH = 30, ///< Higher notification level than medium. @SINCE_1_2.60
124 TOP = 40 ///< The highest notification level. @SINCE_1_2.60
129 * @brief An enum of screen mode.
135 * @brief An enum of screen mode.
140 TIMEOUT, ///< The mode which turns the screen off after a timeout. @SINCE_1_2.60
141 NEVER, ///< The mode which keeps the screen turned on. @SINCE_1_2.60
144 static constexpr Type DEFAULT { TIMEOUT }; ///< The default mode. @SINCE_1_2.60
150 * @brief Creates an initialized handle to a new Window.
152 * @param[in] windowPosition The position and size of the Window
153 * @param[in] name The Window title
154 * @param[in] isTransparent Whether Window is transparent
155 * @return A new window
156 * @note This creates an extra window in addition to the default main window
158 static Window New(PositionSize windowPosition, const std::string& name, bool isTransparent = false);
161 * @brief Creates an initialized handle to a new Window.
163 * @param[in] windowPosition The position and size of the Window
164 * @param[in] name The Window title
165 * @param[in] className The Window class name
166 * @param[in] isTransparent Whether Window is transparent
167 * @note This creates an extra window in addition to the default main window
168 * @return A new Window
170 static Window New(PositionSize windowPosition, const std::string& name, const std::string& className, bool isTransparent = false);
173 * @brief Creates an uninitialized handle.
175 * This can be initialized using Dali::Application::GetWindow() or
176 * Dali::Window::New().
184 * This is non-virtual since derived Handle types must not contain data or virtual methods.
190 * @brief This copy constructor is required for (smart) pointer semantics.
193 * @param[in] handle A reference to the copied handle
195 Window(const Window& handle);
198 * @brief This assignment operator is required for (smart) pointer semantics.
201 * @param[in] rhs A reference to the copied handle
202 * @return A reference to this
204 Window& operator=(const Window& rhs);
207 * @brief Adds a child Actor to the Window.
209 * The child will be referenced.
212 * @param[in] actor The child
213 * @pre The actor has been initialized.
214 * @pre The actor does not have a parent.
216 void Add( Actor actor );
219 * @brief Removes a child Actor from the Window.
221 * The child will be unreferenced.
224 * @param[in] actor The child
225 * @pre The actor has been added to the stage.
227 void Remove( Actor actor );
230 * @brief Sets the background color of the Window.
233 * @param[in] color The new background color
235 void SetBackgroundColor( const Vector4& color );
238 * @brief Gets the background color of the Window.
241 * @return The background color
243 Vector4 GetBackgroundColor() const;
246 * @brief Returns the root Layer of the Window.
249 * @return The root layer
251 Layer GetRootLayer() const;
254 * @brief Queries the number of on-scene layers in the Window.
256 * Note that a default layer is always provided (count >= 1).
259 * @return The number of layers
261 uint32_t GetLayerCount() const;
264 * @brief Retrieves the layer at a specified depth in the Window.
267 * @param[in] depth The depth
268 * @return The layer found at the given depth
269 * @pre Depth is less than layer count; see GetLayerCount().
271 Layer GetLayer( uint32_t depth ) const;
274 * @brief Sets the window name and class string.
276 * @param[in] name The name of the window
277 * @param[in] klass The class of the window
279 void SetClass(std::string name, std::string klass);
282 * @brief Raises window to the top of Window stack.
288 * @brief Lowers window to the bottom of Window stack.
294 * @brief Activates window to the top of Window stack even it is iconified.
300 * @brief Adds an orientation to the list of available orientations.
302 * @param[in] orientation The available orientation to add
304 void AddAvailableOrientation( WindowOrientation orientation );
307 * @brief Removes an orientation from the list of available orientations.
309 * @param[in] orientation The available orientation to remove
311 void RemoveAvailableOrientation( WindowOrientation orientation );
314 * @brief Sets a preferred orientation.
316 * @param[in] orientation The preferred orientation
317 * @pre Orientation is in the list of available orientations.
319 * @note To unset the preferred orientation, orientation should be set NO_ORIENTATION_PREFERENCE.
321 void SetPreferredOrientation( WindowOrientation orientation );
324 * @brief Gets the preferred orientation.
326 * @return The preferred orientation if previously set, or none
328 WindowOrientation GetPreferredOrientation();
331 * @brief Gets the native handle of the window.
333 * When users call this function, it wraps the actual type used by the underlying window system.
335 * @return The native handle of the Window or an empty handle
337 Any GetNativeHandle() const;
340 * @brief Sets whether window accepts focus or not.
343 * @param[in] accept If focus is accepted or not. Default is true.
345 void SetAcceptFocus( bool accept );
348 * @brief Returns whether window accepts focus or not.
351 * @return True if the window accept focus, false otherwise
353 bool IsFocusAcceptable() const;
356 * @brief Shows the window if it is hidden.
362 * @brief Hides the window if it is showing.
368 * @brief Returns whether the window is visible or not.
370 * @return True if the window is visible, false otherwise.
372 bool IsVisible() const;
375 * @brief Gets the count of supported auxiliary hints of the window.
377 * @return The number of supported auxiliary hints.
379 * @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.
380 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
382 unsigned int GetSupportedAuxiliaryHintCount() const;
385 * @brief Gets the supported auxiliary hint string of the window.
387 * @param[in] index The index of the supported auxiliary hint lists
388 * @return The auxiliary hint string of the index.
390 * @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.
391 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
393 std::string GetSupportedAuxiliaryHint( unsigned int index ) const;
396 * @brief Creates an auxiliary hint of the window.
398 * @param[in] hint The auxiliary hint string.
399 * @param[in] value The value string.
400 * @return The ID of created auxiliary hint, or @c 0 on failure.
402 unsigned int AddAuxiliaryHint( const std::string& hint, const std::string& value );
405 * @brief Removes an auxiliary hint of the window.
407 * @param[in] id The ID of the auxiliary hint.
408 * @return True if no error occurred, false otherwise.
410 bool RemoveAuxiliaryHint( unsigned int id );
413 * @brief Changes a value of the auxiliary hint.
415 * @param[in] id The auxiliary hint ID.
416 * @param[in] value The value string to be set.
417 * @return True if no error occurred, false otherwise.
419 bool SetAuxiliaryHintValue( unsigned int id, const std::string& value );
422 * @brief Gets a value of the auxiliary hint.
424 * @param[in] id The auxiliary hint ID.
425 * @return The string value of the auxiliary hint ID, or an empty string if none exists.
427 std::string GetAuxiliaryHintValue( unsigned int id ) const;
430 * @brief Gets a ID of the auxiliary hint string.
432 * @param[in] hint The auxiliary hint string.
433 * @return The ID of the auxiliary hint string, or @c 0 if none exists.
435 unsigned int GetAuxiliaryHintId( const std::string& hint ) const;
438 * @brief Sets a region to accept input events.
440 * @param[in] inputRegion The region to accept input events.
442 void SetInputRegion( const Rect< int >& inputRegion );
445 * @brief Sets a window type.
447 * @param[in] type The window type.
448 * @remarks The default window type is NORMAL.
450 void SetType( Type type );
453 * @brief Gets a window type.
455 * @return A window type.
457 Type GetType() const;
460 * @brief Sets a priority level for the specified notification window.
462 * @param[in] level The notification window level.
463 * @return True if no error occurred, false otherwise.
465 * @PRIVILEGE_WINDOW_PRIORITY
466 * @remarks This can be used for a notification type window only. The default level is NotificationLevel::NONE.
468 bool SetNotificationLevel( NotificationLevel::Type level );
471 * @brief Gets a priority level for the specified notification window.
473 * @return The notification window level.
474 * @remarks This can be used for a notification type window only.
476 NotificationLevel::Type GetNotificationLevel() const;
479 * @brief Sets a transparent window's visual state to opaque.
480 * @details If a visual state of a transparent window is opaque,
481 * then the window manager could handle it as an opaque window when calculating visibility.
483 * @param[in] opaque Whether the window's visual state is opaque.
484 * @remarks This will have no effect on an opaque window.
485 * It doesn't change transparent window to opaque window but lets the window manager know the visual state of the window.
487 void SetOpaqueState( bool opaque );
490 * @brief Returns whether a transparent window's visual state is opaque or not.
492 * @return True if the window's visual state is opaque, false otherwise.
493 * @remarks The return value has no meaning on an opaque window.
495 bool IsOpaqueState() const;
498 * @brief Sets a window's screen off mode.
499 * @details This API is useful when the application needs to keep the display turned on.
500 * If the application sets the screen mode to #::Dali::Window::ScreenOffMode::NEVER to its window and the window is shown,
501 * the window manager requests the display system to keep the display on as long as the window is shown.
502 * If the window is no longer shown, then the window manager requests the display system to go back to normal operation.
504 * @param[in] screenOffMode The screen mode.
505 * @return True if no error occurred, false otherwise.
509 bool SetScreenOffMode(ScreenOffMode::Type screenOffMode);
512 * @brief Gets a screen off mode of the window.
514 * @return The screen off mode.
516 ScreenOffMode::Type GetScreenOffMode() const;
519 * @brief Sets preferred brightness of the window.
520 * @details This API is useful when the application needs to change the brightness of the screen when it is appeared on the screen.
521 * 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.
522 * If the window is no longer shown, then the window manager requests the display system to go back to default brightness.
523 * A value less than 0 results in default brightness and a value greater than 100 results in maximum brightness.
525 * @param[in] brightness The preferred brightness (0 to 100).
526 * @return True if no error occurred, false otherwise.
530 bool SetBrightness( int brightness );
533 * @brief Gets preferred brightness of the window.
535 * @return The preferred brightness.
537 int GetBrightness() const;
540 * @brief Sets a size of the window.
543 * @param[in] size The new window size
545 void SetSize( WindowSize size );
548 * @brief Gets a size of the window.
551 * @return The size of the window
553 WindowSize GetSize() const;
556 * @brief Sets a position of the window.
559 * @param[in] position The new window position
561 void SetPosition( WindowPosition position );
564 * @brief Gets a position of the window.
567 * @return The position of the window
569 WindowPosition GetPosition() const;
572 * @brief Sets whether the window is transparent or not.
575 * @param[in] transparent Whether the window is transparent
577 void SetTransparency( bool transparent );
582 * @brief This signal is emitted when the window is resized.
584 * A callback of the following type may be connected:
586 * void YourCallbackName( int width, int height );
588 * The parameters are the resized width and height.
591 * @return The signal to connect to
593 ResizedSignalType& ResizedSignal() DALI_DEPRECATED_API;
596 * @brief The user should connect to this signal to get a timing when window gains focus or loses focus.
598 * A callback of the following type may be connected:
600 * void YourCallbackName( Window window, bool focusIn );
602 * The parameter is true if window gains focus, otherwise false.
603 * and window means this signal was called from what window
606 * @return The signal to connect to
608 FocusChangeSignalType& FocusChangeSignal();
611 * @brief This signal is emitted when the window is resized.
613 * A callback of the following type may be connected:
615 * void YourCallbackName( Window window, int width, int height );
617 * The parameters are the resized width and height.
618 * and window means this signal was called from what window
621 * @return The signal to connect to
623 ResizeSignalType& ResizeSignal();
625 public: // Not intended for application developers
628 * @brief This constructor is used by Dali::Application::GetWindow().
630 * @param[in] window A pointer to the Window
632 explicit DALI_INTERNAL Window( Internal::Adaptor::Window* window );
641 #endif // __DALI_WINDOW_H__