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/object/base-handle.h>
27 #include <dali/public-api/object/any.h>
28 #include <dali/public-api/signals/dali-signal.h>
31 #include <dali/public-api/dali-adaptor-common.h>
36 * @addtogroup dali_adaptor_framework
40 typedef Dali::Rect<int> PositionSize;
42 namespace Internal DALI_INTERNAL
50 class DragAndDropDetector;
54 * @brief The window class is used internally for drawing.
56 * A Window has an orientation and indicator properties.
57 * You can get a valid Window handle by calling Dali::Application::GetWindow().
60 class DALI_ADAPTOR_API Window : public BaseHandle
64 typedef Uint16Pair WindowSize; ///< Window size type @SINCE_1_2.60
65 typedef Uint16Pair WindowPosition; ///< Window position type @SINCE_1_2.60
67 typedef Signal< void (bool) > IndicatorSignalType; ///< Indicator state signal type @SINCE_1_0.0
68 typedef Signal< void (bool) > FocusSignalType; ///< Window focus signal type @SINCE_1_2.60
69 typedef Signal< void (WindowSize) > ResizedSignalType; ///< Window resized signal type @SINCE_1_2.60
76 * @brief Enumeration for orientation of the window is the way in which a rectangular page is oriented for normal viewing.
79 enum WindowOrientation
81 PORTRAIT = 0, ///< Portrait orientation. The height of the display area is greater than the width. @SINCE_1_0.0
82 LANDSCAPE = 90, ///< Landscape orientation. A wide view area is needed. @SINCE_1_0.0
83 PORTRAIT_INVERSE = 180, ///< Portrait inverse orientation @SINCE_1_0.0
84 LANDSCAPE_INVERSE = 270 ///< Landscape inverse orientation @SINCE_1_0.0
88 * @brief Enumeration for opacity of the indicator.
91 enum IndicatorBgOpacity
93 OPAQUE = 100, ///< Fully opaque indicator Bg @SINCE_1_0.0
94 TRANSLUCENT = 50, ///< Semi translucent indicator Bg @SINCE_1_0.0
95 TRANSPARENT = 0 ///< Fully transparent indicator Bg @SINCE_1_0.0
99 * @brief Enumeration for visible mode of the indicator.
102 enum IndicatorVisibleMode
104 INVISIBLE = 0, ///< Hide indicator @SINCE_1_0.0
105 VISIBLE = 1, ///< Show indicator @SINCE_1_0.0
106 AUTO = 2 ///< Hide in default, will show when necessary @SINCE_1_0.0
110 * @brief An enum of Window types.
115 NORMAL, ///< A default window type. Indicates a normal, top-level window. Almost every window will be created with this type. @SINCE_1_2.60
116 NOTIFICATION, ///< A notification window, like a warning about battery life or a new E-Mail received. @SINCE_1_2.60
117 UTILITY, ///< A persistent utility window, like a toolbox or palette. @SINCE_1_2.60
118 DIALOG ///< Used for simple dialog windows. @SINCE_1_2.60
122 * @brief An enum of screen mode.
125 struct NotificationLevel
128 * @brief An enum of screen mode.
133 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
134 BASE = 10, ///< Base notification level. @SINCE_1_2.60
135 MEDIUM = 20, ///< Higher notification level than base. @SINCE_1_2.60
136 HIGH = 30, ///< Higher notification level than medium. @SINCE_1_2.60
137 TOP = 40 ///< The highest notification level. @SINCE_1_2.60
142 * @brief An enum of screen mode.
148 * @brief An enum of screen mode.
153 TIMEOUT, ///< The mode which turns the screen off after a timeout. @SINCE_1_2.60
154 NEVER, ///< The mode which keeps the screen turned on. @SINCE_1_2.60
157 static constexpr Type DEFAULT { TIMEOUT }; ///< The default mode. @SINCE_1_2.60
163 * @brief Creates an initialized handle to a new Window.
165 * @param[in] windowPosition The position and size of the Window
166 * @param[in] name The Window title
167 * @param[in] isTransparent Whether Window is transparent
168 * @return A new window
170 static Window New(PositionSize windowPosition, const std::string& name, bool isTransparent = false);
173 * @brief Creates an initialized handle to a new Window.
175 * @param[in] windowPosition The position and size of the Window
176 * @param[in] name The Window title
177 * @param[in] className The Window class name
178 * @param[in] isTransparent Whether Window is transparent
179 * @return A new Window
181 static Window New(PositionSize windowPosition, const std::string& name, const std::string& className, bool isTransparent = false);
184 * @brief Creates an uninitialized handle.
186 * This can be initialized using Dali::Application::GetWindow() or
187 * Dali::Window::New().
195 * This is non-virtual since derived Handle types must not contain data or virtual methods.
201 * @brief This copy constructor is required for (smart) pointer semantics.
204 * @param[in] handle A reference to the copied handle
206 Window(const Window& handle);
209 * @brief This assignment operator is required for (smart) pointer semantics.
212 * @param[in] rhs A reference to the copied handle
213 * @return A reference to this
215 Window& operator=(const Window& rhs);
218 * @brief This sets whether the indicator bar should be shown or not.
220 * @param[in] visibleMode Visible mode for indicator bar, VISIBLE in default
222 void ShowIndicator( IndicatorVisibleMode visibleMode );
225 * @brief This sets the opacity mode of indicator bar.
227 * @param[in] opacity The opacity mode
229 void SetIndicatorBgOpacity( IndicatorBgOpacity opacity );
232 * @brief This sets the orientation of indicator bar.
234 * It does not implicitly show the indicator if it is currently hidden.
236 * @param[in] orientation The orientation
238 void RotateIndicator(WindowOrientation orientation);
241 * @brief Sets the window name and class string.
243 * @param[in] name The name of the window
244 * @param[in] klass The class of the window
246 void SetClass(std::string name, std::string klass);
249 * @brief Raises window to the top of Window stack.
255 * @brief Lowers window to the bottom of Window stack.
261 * @brief Activates window to the top of Window stack even it is iconified.
267 * @brief Adds an orientation to the list of available orientations.
269 * @param[in] orientation The available orientation to add
271 void AddAvailableOrientation( WindowOrientation orientation );
274 * @brief Removes an orientation from the list of available orientations.
276 * @param[in] orientation The available orientation to remove
278 void RemoveAvailableOrientation( WindowOrientation orientation );
281 * @brief Sets a preferred orientation.
283 * @param[in] orientation The preferred orientation
284 * @pre Orientation is in the list of available orientations.
286 void SetPreferredOrientation( WindowOrientation orientation );
289 * @brief Gets the preferred orientation.
291 * @return The preferred orientation if previously set, or none
293 WindowOrientation GetPreferredOrientation();
296 * @brief Returns the Drag & drop detector which can be used to receive drag & drop events.
297 * @note Not intended for application developers.
299 * @return A handle to the DragAndDropDetector
301 DragAndDropDetector GetDragAndDropDetector() const;
304 * @brief Gets the native handle of the window.
306 * When users call this function, it wraps the actual type used by the underlying window system.
308 * @return The native handle of the Window or an empty handle
310 Any GetNativeHandle() const;
313 * @brief Sets whether window accepts focus or not.
316 * @param[in] accept If focus is accepted or not. Default is true.
318 void SetAcceptFocus( bool accept );
321 * @brief Returns whether window accepts focus or not.
324 * @return True if the window accept focus, false otherwise
326 bool IsFocusAcceptable() const;
329 * @brief Shows the window if it is hidden.
335 * @brief Hides the window if it is showing.
341 * @brief Returns whether the window is visible or not.
343 * @return True if the window is visible, false otherwise.
345 bool IsVisible() const;
348 * @brief Gets the count of supported auxiliary hints of the window.
350 * @return The number of supported auxiliary hints.
352 * @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.
353 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
355 unsigned int GetSupportedAuxiliaryHintCount() const;
358 * @brief Gets the supported auxiliary hint string of the window.
360 * @param[in] index The index of the supported auxiliary hint lists
361 * @return The auxiliary hint string of the index.
363 * @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.
364 * If you want to set specific hint to your window, then you should check whether it exists in the supported auxiliary hints.
366 std::string GetSupportedAuxiliaryHint( unsigned int index ) const;
369 * @brief Creates an auxiliary hint of the window.
371 * @param[in] hint The auxiliary hint string.
372 * @param[in] value The value string.
373 * @return The ID of created auxiliary hint, or @c 0 on failure.
375 unsigned int AddAuxiliaryHint( const std::string& hint, const std::string& value );
378 * @brief Removes an auxiliary hint of the window.
380 * @param[in] id The ID of the auxiliary hint.
381 * @return True if no error occurred, false otherwise.
383 bool RemoveAuxiliaryHint( unsigned int id );
386 * @brief Changes a value of the auxiliary hint.
388 * @param[in] id The auxiliary hint ID.
389 * @param[in] value The value string to be set.
390 * @return True if no error occurred, false otherwise.
392 bool SetAuxiliaryHintValue( unsigned int id, const std::string& value );
395 * @brief Gets a value of the auxiliary hint.
397 * @param[in] id The auxiliary hint ID.
398 * @return The string value of the auxiliary hint ID, or an empty string if none exists.
400 std::string GetAuxiliaryHintValue( unsigned int id ) const;
403 * @brief Gets a ID of the auxiliary hint string.
405 * @param[in] hint The auxiliary hint string.
406 * @return The ID of the auxiliary hint string, or @c 0 if none exists.
408 unsigned int GetAuxiliaryHintId( const std::string& hint ) const;
411 * @brief Sets a region to accept input events.
413 * @param[in] inputRegion The region to accept input events.
415 void SetInputRegion( const Rect< int >& inputRegion );
418 * @brief Sets a window type.
420 * @param[in] type The window type.
421 * @remarks The default window type is NORMAL.
423 void SetType( Type type );
426 * @brief Gets a window type.
428 * @return A window type.
430 Type GetType() const;
433 * @brief Sets a priority level for the specified notification window.
435 * @param[in] level The notification window level.
436 * @return True if no error occurred, false otherwise.
438 * @PRIVILEGE_WINDOW_PRIORITY
439 * @remarks This can be used for a notification type window only. The default level is NotificationLevel::NONE.
441 bool SetNotificationLevel( NotificationLevel::Type level );
444 * @brief Gets a priority level for the specified notification window.
446 * @return The notification window level.
447 * @remarks This can be used for a notification type window only.
449 NotificationLevel::Type GetNotificationLevel() const;
452 * @brief Sets a transparent window's visual state to opaque.
453 * @details If a visual state of a transparent window is opaque,
454 * then the window manager could handle it as an opaque window when calculating visibility.
456 * @param[in] opaque Whether the window's visual state is opaque.
457 * @remarks This will have no effect on an opaque window.
458 * It doesn't change transparent window to opaque window but lets the window manager know the visual state of the window.
460 void SetOpaqueState( bool opaque );
463 * @brief Returns whether a transparent window's visual state is opaque or not.
465 * @return True if the window's visual state is opaque, false otherwise.
466 * @remarks The return value has no meaning on an opaque window.
468 bool IsOpaqueState() const;
471 * @brief Sets a window's screen off mode.
472 * @details This API is useful when the application needs to keep the display turned on.
473 * If the application sets the screen mode to #::Dali::Window::ScreenOffMode::NEVER to its window and the window is shown,
474 * the window manager requests the display system to keep the display on as long as the window is shown.
475 * If the window is no longer shown, then the window manager requests the display system to go back to normal operation.
477 * @param[in] screenOffMode The screen mode.
478 * @return True if no error occurred, false otherwise.
482 bool SetScreenOffMode(ScreenOffMode::Type screenOffMode);
485 * @brief Gets a screen off mode of the window.
487 * @return The screen off mode.
489 ScreenOffMode::Type GetScreenOffMode() const;
492 * @brief Sets preferred brightness of the window.
493 * @details This API is useful when the application needs to change the brightness of the screen when it is appeared on the screen.
494 * 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.
495 * If the window is no longer shown, then the window manager requests the display system to go back to default brightness.
496 * A value less than 0 results in default brightness and a value greater than 100 results in maximum brightness.
498 * @param[in] brightness The preferred brightness (0 to 100).
499 * @return True if no error occurred, false otherwise.
503 bool SetBrightness( int brightness );
506 * @brief Gets preferred brightness of the window.
508 * @return The preferred brightness.
510 int GetBrightness() const;
513 * @brief Sets a size of the window.
516 * @param[in] size The new window size
518 void SetSize( WindowSize size );
521 * @brief Gets a size of the window.
524 * @return The size of the window
526 WindowSize GetSize() const;
529 * @brief Sets a position of the window.
532 * @param[in] position The new window position
534 void SetPosition( WindowPosition position );
537 * @brief Gets a position of the window.
540 * @return The position of the window
542 WindowPosition GetPosition() const;
545 * @brief Sets whether the window is transparent or not.
548 * @param[in] transparent Whether the window is transparent
550 void SetTransparency( bool transparent );
554 * @brief The user should connect to this signal to get a timing when indicator was shown / hidden.
556 * @return The signal to connect to
558 IndicatorSignalType& IndicatorVisibilityChangedSignal();
561 * @brief The user should connect to this signal to get a timing when window gains focus or loses focus.
563 * A callback of the following type may be connected:
565 * void YourCallbackName( bool focusIn );
567 * The parameter is true if window gains focus, otherwise false.
570 * @return The signal to connect to
572 FocusSignalType& FocusChangedSignal();
575 * @brief This signal is emitted when the window is resized.
577 * A callback of the following type may be connected:
579 * void YourCallbackName( int width, int height );
581 * The parameters are the resized width and height.
584 * @return The signal to connect to
586 ResizedSignalType& ResizedSignal();
588 public: // Not intended for application developers
591 * @brief This constructor is used by Dali::Application::GetWindow().
593 * @param[in] window A pointer to the Window
595 explicit DALI_INTERNAL Window( Internal::Adaptor::Window* window );
604 #endif // __DALI_WINDOW_H__