1 #ifndef __DALI_WINDOW_H__
2 #define __DALI_WINDOW_H__
5 * Copyright (c) 2018 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>
37 * @addtogroup dali_adaptor_framework
41 typedef Dali::Rect<int> PositionSize;
43 namespace Internal DALI_INTERNAL
51 class DragAndDropDetector;
57 * @brief The window class is used internally for drawing.
59 * A Window has an orientation and indicator properties.
60 * You can get a valid Window handle by calling Dali::Application::GetWindow().
63 class DALI_ADAPTOR_API Window : public BaseHandle
67 typedef Uint16Pair WindowSize; ///< Window size type @SINCE_1_2.60
68 typedef Uint16Pair WindowPosition; ///< Window position type @SINCE_1_2.60
70 typedef Signal< void (bool) > IndicatorSignalType; ///< Indicator state signal type @SINCE_1_0.0
71 typedef Signal< void (bool) > FocusSignalType; ///< Window focus signal type @SINCE_1_2.60
72 typedef Signal< void (WindowSize) > ResizedSignalType; ///< Window resized signal type @SINCE_1_2.60
79 * @brief Enumeration for orientation of the window is the way in which a rectangular page is oriented for normal viewing.
82 enum WindowOrientation
84 PORTRAIT = 0, ///< Portrait orientation. The height of the display area is greater than the width. @SINCE_1_0.0
85 LANDSCAPE = 90, ///< Landscape orientation. A wide view area is needed. @SINCE_1_0.0
86 PORTRAIT_INVERSE = 180, ///< Portrait inverse orientation @SINCE_1_0.0
87 LANDSCAPE_INVERSE = 270 ///< Landscape inverse orientation @SINCE_1_0.0
91 * @brief Enumeration for opacity of the indicator.
94 enum IndicatorBgOpacity
96 OPAQUE = 100, ///< Fully opaque indicator Bg @SINCE_1_0.0
97 TRANSLUCENT = 50, ///< Semi translucent indicator Bg @SINCE_1_0.0
98 TRANSPARENT = 0 ///< Fully transparent indicator Bg @SINCE_1_0.0
102 * @brief Enumeration for visible mode of the indicator.
105 enum IndicatorVisibleMode
107 INVISIBLE = 0, ///< Hide indicator @SINCE_1_0.0
108 VISIBLE = 1, ///< Show indicator @SINCE_1_0.0
109 AUTO = 2 ///< Hide in default, will show when necessary @SINCE_1_0.0
113 * @brief An enum of Window types.
118 NORMAL, ///< A default window type. Indicates a normal, top-level window. Almost every window will be created with this type. @SINCE_1_2.60
119 NOTIFICATION, ///< A notification window, like a warning about battery life or a new E-Mail received. @SINCE_1_2.60
120 UTILITY, ///< A persistent utility window, like a toolbox or palette. @SINCE_1_2.60
121 DIALOG ///< Used for simple dialog windows. @SINCE_1_2.60
125 * @brief An enum of screen mode.
128 struct NotificationLevel
131 * @brief An enum of screen mode.
136 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
137 BASE = 10, ///< Base notification level. @SINCE_1_2.60
138 MEDIUM = 20, ///< Higher notification level than base. @SINCE_1_2.60
139 HIGH = 30, ///< Higher notification level than medium. @SINCE_1_2.60
140 TOP = 40 ///< The highest notification level. @SINCE_1_2.60
145 * @brief An enum of screen mode.
151 * @brief An enum of screen mode.
156 TIMEOUT, ///< The mode which turns the screen off after a timeout. @SINCE_1_2.60
157 NEVER, ///< The mode which keeps the screen turned on. @SINCE_1_2.60
160 static constexpr Type DEFAULT { TIMEOUT }; ///< The default mode. @SINCE_1_2.60
166 * @brief Creates an initialized handle to a new Window.
168 * @param[in] windowPosition The position and size of the Window
169 * @param[in] name The Window title
170 * @param[in] isTransparent Whether Window is transparent
171 * @return A new window
173 static Window New(PositionSize windowPosition, const std::string& name, bool isTransparent = false);
176 * @brief Creates an initialized handle to a new Window.
178 * @param[in] windowPosition The position and size of the Window
179 * @param[in] name The Window title
180 * @param[in] className The Window class name
181 * @param[in] isTransparent Whether Window is transparent
182 * @return A new Window
184 static Window New(PositionSize windowPosition, const std::string& name, const std::string& className, bool isTransparent = false);
187 * @brief Creates an uninitialized handle.
189 * This can be initialized using Dali::Application::GetWindow() or
190 * Dali::Window::New().
198 * This is non-virtual since derived Handle types must not contain data or virtual methods.
204 * @brief This copy constructor is required for (smart) pointer semantics.
207 * @param[in] handle A reference to the copied handle
209 Window(const Window& handle);
212 * @brief This assignment operator is required for (smart) pointer semantics.
215 * @param[in] rhs A reference to the copied handle
216 * @return A reference to this
218 Window& operator=(const Window& rhs);
221 * @brief This sets whether the indicator bar should be shown or not.
223 * @param[in] visibleMode Visible mode for indicator bar, VISIBLE in default
225 void ShowIndicator( IndicatorVisibleMode visibleMode );
228 * @brief This sets the opacity mode of indicator bar.
230 * @param[in] opacity The opacity mode
232 void SetIndicatorBgOpacity( IndicatorBgOpacity opacity );
235 * @brief This sets the orientation of indicator bar.
237 * It does not implicitly show the indicator if it is currently hidden.
239 * @param[in] orientation The orientation
241 void RotateIndicator(WindowOrientation orientation);
244 * @brief Sets the window name and class string.
246 * @param[in] name The name of the window
247 * @param[in] klass The class of the window
249 void SetClass(std::string name, std::string klass);
252 * @brief Raises window to the top of Window stack.
258 * @brief Lowers window to the bottom of Window stack.
264 * @brief Activates window to the top of Window stack even it is iconified.
270 * @brief Adds an orientation to the list of available orientations.
272 * @param[in] orientation The available orientation to add
274 void AddAvailableOrientation( WindowOrientation orientation );
277 * @brief Removes an orientation from the list of available orientations.
279 * @param[in] orientation The available orientation to remove
281 void RemoveAvailableOrientation( WindowOrientation orientation );
284 * @brief Sets a preferred orientation.
286 * @param[in] orientation The preferred orientation
287 * @pre Orientation is in the list of available orientations.
289 void SetPreferredOrientation( WindowOrientation orientation );
292 * @brief Gets the preferred orientation.
294 * @return The preferred orientation if previously set, or none
296 WindowOrientation GetPreferredOrientation();
299 * @brief Returns the Drag & drop detector which can be used to receive drag & drop events.
300 * @note Not intended for application developers.
302 * @return A handle to the DragAndDropDetector
304 DragAndDropDetector GetDragAndDropDetector() const;
307 * @brief Gets the native handle of the window.
309 * When users call this function, it wraps the actual type used by the underlying window system.
311 * @return The native handle of the Window or an empty handle
313 Any GetNativeHandle() const;
316 * @brief Sets whether window accepts focus or not.
319 * @param[in] accept If focus is accepted or not. Default is true.
321 void SetAcceptFocus( bool accept );
324 * @brief Returns whether window accepts focus or not.
327 * @return True if the window accept focus, false otherwise
329 bool IsFocusAcceptable() const;
332 * @brief Shows the window if it is hidden.
338 * @brief Hides the window if it is showing.
344 * @brief Returns whether the window is visible or not.
346 * @return True if the window is visible, false otherwise.
348 bool IsVisible() const;
351 * @brief Gets the count of supported auxiliary hints of the window.
353 * @return The number of supported auxiliary hints.
355 * @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.
356 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
358 unsigned int GetSupportedAuxiliaryHintCount() const;
361 * @brief Gets the supported auxiliary hint string of the window.
363 * @param[in] index The index of the supported auxiliary hint lists
364 * @return The auxiliary hint string of the index.
366 * @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.
367 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
369 std::string GetSupportedAuxiliaryHint( unsigned int index ) const;
372 * @brief Creates an auxiliary hint of the window.
374 * @param[in] hint The auxiliary hint string.
375 * @param[in] value The value string.
376 * @return The ID of created auxiliary hint, or @c 0 on failure.
378 unsigned int AddAuxiliaryHint( const std::string& hint, const std::string& value );
381 * @brief Removes an auxiliary hint of the window.
383 * @param[in] id The ID of the auxiliary hint.
384 * @return True if no error occurred, false otherwise.
386 bool RemoveAuxiliaryHint( unsigned int id );
389 * @brief Changes a value of the auxiliary hint.
391 * @param[in] id The auxiliary hint ID.
392 * @param[in] value The value string to be set.
393 * @return True if no error occurred, false otherwise.
395 bool SetAuxiliaryHintValue( unsigned int id, const std::string& value );
398 * @brief Gets a value of the auxiliary hint.
400 * @param[in] id The auxiliary hint ID.
401 * @return The string value of the auxiliary hint ID, or an empty string if none exists.
403 std::string GetAuxiliaryHintValue( unsigned int id ) const;
406 * @brief Gets a ID of the auxiliary hint string.
408 * @param[in] hint The auxiliary hint string.
409 * @return The ID of the auxiliary hint string, or @c 0 if none exists.
411 unsigned int GetAuxiliaryHintId( const std::string& hint ) const;
414 * @brief Sets a region to accept input events.
416 * @param[in] inputRegion The region to accept input events.
418 void SetInputRegion( const Rect< int >& inputRegion );
421 * @brief Sets a window type.
423 * @param[in] type The window type.
424 * @remarks The default window type is NORMAL.
426 void SetType( Type type );
429 * @brief Gets a window type.
431 * @return A window type.
433 Type GetType() const;
436 * @brief Sets a priority level for the specified notification window.
438 * @param[in] level The notification window level.
439 * @return True if no error occurred, false otherwise.
441 * @PRIVILEGE_WINDOW_PRIORITY
442 * @remarks This can be used for a notification type window only. The default level is NotificationLevel::NONE.
444 bool SetNotificationLevel( NotificationLevel::Type level );
447 * @brief Gets a priority level for the specified notification window.
449 * @return The notification window level.
450 * @remarks This can be used for a notification type window only.
452 NotificationLevel::Type GetNotificationLevel() const;
455 * @brief Sets a transparent window's visual state to opaque.
456 * @details If a visual state of a transparent window is opaque,
457 * then the window manager could handle it as an opaque window when calculating visibility.
459 * @param[in] opaque Whether the window's visual state is opaque.
460 * @remarks This will have no effect on an opaque window.
461 * It doesn't change transparent window to opaque window but lets the window manager know the visual state of the window.
463 void SetOpaqueState( bool opaque );
466 * @brief Returns whether a transparent window's visual state is opaque or not.
468 * @return True if the window's visual state is opaque, false otherwise.
469 * @remarks The return value has no meaning on an opaque window.
471 bool IsOpaqueState() const;
474 * @brief Sets a window's screen off mode.
475 * @details This API is useful when the application needs to keep the display turned on.
476 * If the application sets the screen mode to #::Dali::Window::ScreenOffMode::NEVER to its window and the window is shown,
477 * the window manager requests the display system to keep the display on as long as the window is shown.
478 * If the window is no longer shown, then the window manager requests the display system to go back to normal operation.
480 * @param[in] screenOffMode The screen mode.
481 * @return True if no error occurred, false otherwise.
485 bool SetScreenOffMode(ScreenOffMode::Type screenOffMode);
488 * @brief Gets a screen off mode of the window.
490 * @return The screen off mode.
492 ScreenOffMode::Type GetScreenOffMode() const;
495 * @brief Sets preferred brightness of the window.
496 * @details This API is useful when the application needs to change the brightness of the screen when it is appeared on the screen.
497 * 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.
498 * If the window is no longer shown, then the window manager requests the display system to go back to default brightness.
499 * A value less than 0 results in default brightness and a value greater than 100 results in maximum brightness.
501 * @param[in] brightness The preferred brightness (0 to 100).
502 * @return True if no error occurred, false otherwise.
506 bool SetBrightness( int brightness );
509 * @brief Gets preferred brightness of the window.
511 * @return The preferred brightness.
513 int GetBrightness() const;
516 * @brief Sets a size of the window.
519 * @param[in] size The new window size
521 void SetSize( WindowSize size );
524 * @brief Gets a size of the window.
527 * @return The size of the window
529 WindowSize GetSize() const;
532 * @brief Sets a position of the window.
535 * @param[in] position The new window position
537 void SetPosition( WindowPosition position );
540 * @brief Gets a position of the window.
543 * @return The position of the window
545 WindowPosition GetPosition() const;
548 * @brief Sets whether the window is transparent or not.
551 * @param[in] transparent Whether the window is transparent
553 void SetTransparency( bool transparent );
557 * @brief The user should connect to this signal to get a timing when indicator was shown / hidden.
559 * @return The signal to connect to
561 IndicatorSignalType& IndicatorVisibilityChangedSignal();
564 * @brief The user should connect to this signal to get a timing when window gains focus or loses focus.
566 * A callback of the following type may be connected:
568 * void YourCallbackName( bool focusIn );
570 * The parameter is true if window gains focus, otherwise false.
573 * @return The signal to connect to
575 FocusSignalType& FocusChangedSignal();
578 * @brief This signal is emitted when the window is resized.
580 * A callback of the following type may be connected:
582 * void YourCallbackName( int width, int height );
584 * The parameters are the resized width and height.
587 * @return The signal to connect to
589 ResizedSignalType& ResizedSignal();
591 public: // Not intended for application developers
594 * @brief This constructor is used by Dali::Application::GetWindow().
596 * @param[in] window A pointer to the Window
598 explicit DALI_INTERNAL Window( Internal::Adaptor::Window* window );
607 #endif // __DALI_WINDOW_H__