1 #ifndef __DALI_KEY_GRAB_H__
2 #define __DALI_KEY_GRAB_H__
5 * Copyright (c) 2014 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/common/dali-common.h>
33 * @brief Grabs the key specfied by @a key for @a window only when @a window is the topmost window.
35 * This function can be used for following example scenarios:
36 * Mobile - Using volume up/down as zoom up/down in camera apps.
39 * @note This function is only specified by Tizen.
40 * @param[in] window The window to set
41 * @param[in] dailKey The key code to grab (defined in key.h)
42 * @return true if the grab succeed.
44 DALI_IMPORT_API bool GrabKeyTopmost( Window window, Dali::KEY daliKey );
47 * @brief Ungrabs the key specfied by @a key for @a window.
50 * @note This function is only specified by Tizen.
51 * @param[in] window The window to set
52 * @param[in] dailKey The key code to ungrab (defined in key.h)
53 * @return true if the ungrab succeed.
55 DALI_IMPORT_API bool UngrabKeyTopmost( Window window, Dali::KEY daliKey );
58 * @brief Key grab mode for platform-level APIs.
62 TOPMOST = 0, ///< Grab a key only when on the top of the grabbing-window stack mode.
63 SHARED, ///< Grab a key together with the other client window(s) mode.
64 OVERRIDE_EXCLUSIVE, ///< Grab a key exclusively regardless of the grabbing-window's position on the window stack with the possibility of overriding the grab by the other client window mode.
65 EXCLUSIVE ///< Grab a key exclusively regardless of the grabbing-window's position on the window stack mode.
69 * @brief Grabs the key specfied by @a key for @a window in @a grabMode.
71 * This function can be used for following example scenarios:
72 * TV - A user might want to change the volume or channel of the background TV contents while focusing on the foregrund app.
73 * Mobile - When a user presses Home key, the homescreen appears regardless of current foreground app.
74 * Mobile - Using volume up/down as zoom up/down in camera apps.
77 * @note This function is only specified by Tizen.
78 * @param[in] window The window to set
79 * @param[in] dailKey The key code to grab (defined in key.h)
80 * @param[in] grabMode The grab mode for the key
81 * @return true if the grab succeed.
83 DALI_IMPORT_API bool GrabKey( Window window, Dali::KEY daliKey, KeyGrabMode grabMode );
86 * @brief Ungrabs the key specfied by @a key for @a window.
89 * @note This function is only specified by Tizen.
90 * @param[in] window The window to set
91 * @param[in] dailKey The key code to ungrab (defined in key.h)
92 * @return true if the ungrab succeed.
94 DALI_IMPORT_API bool UngrabKey( Window window, Dali::KEY daliKey );
96 } // namespace KeyGrab
100 #endif // __DALI_KEY_GRAB_H__