1 #ifndef __DALI_TOOLKIT_TEXT_FIELD_H__
2 #define __DALI_TOOLKIT_TEXT_FIELD_H__
5 * Copyright (c) 2015 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-toolkit/public-api/controls/control.h>
30 namespace Internal DALI_INTERNAL
35 * @addtogroup dali_toolkit_controls_text_controls
40 * @brief A control which provides a single-line editable text field.
43 * | %Signal Name | Method |
44 * |----------------------|-----------------------------------------------------|
45 * | textChanged | @ref TextChangedSignal() |
46 * | maxLengthReached | @ref MaxLengthReachedSignal() |
49 class DALI_IMPORT_API TextField : public Control
54 * @brief The start and end property ranges for this control.
58 PROPERTY_START_INDEX = Control::CONTROL_PROPERTY_END_INDEX + 1,
59 PROPERTY_END_INDEX = PROPERTY_START_INDEX + 1000 ///< Reserve property indices
63 * @brief An enumeration of properties belonging to the TextLabel class.
69 RENDERING_BACKEND = PROPERTY_START_INDEX, ///< name "renderingBackend", The type or rendering e.g. bitmap-based, type INT
70 TEXT, ///< name "text", The text to display in UTF-8 format, type STRING
71 PLACEHOLDER_TEXT, ///< name "placeholderText", The text to display when the TextField is empty and inactive, type STRING
72 PLACEHOLDER_TEXT_FOCUSED, ///< name "placeholderTextFocused", The text to display when the TextField is empty with key-input focus, type STRING
73 FONT_FAMILY, ///< name "fontFamily", The requested font family, type STRING
74 FONT_STYLE, ///< name "fontStyle", The requested font style, type STRING
75 POINT_SIZE, ///< name "pointSize", The size of font in points, type FLOAT
76 MAX_LENGTH, ///< name "maxLength" The maximum number of characters that can be inserted, type INTEGER
77 EXCEED_POLICY, ///< name "exceedPolicy" Specifies how the text is truncated when it does not fit, type INTEGER
78 HORIZONTAL_ALIGNMENT, ///< name "horizontalAlignment", The line horizontal alignment, type STRING, values "BEGIN", "CENTER", "END"
79 VERTICAL_ALIGNMENT, ///< name "verticalAlignment", The line vertical alignment, type STRING, values "TOP", "CENTER", "BOTTOM"
80 TEXT_COLOR, ///< name "textColor", The text color, type VECTOR4
81 PLACEHOLDER_TEXT_COLOR, ///< name "placeholderTextColor", The placeholder-text color, type VECTOR4
82 SHADOW_OFFSET, ///< name "shadowOffset", The drop shadow offset 0 indicates no shadow, type VECTOR2
83 SHADOW_COLOR, ///< name "shadowColor", The color of a drop shadow, type VECTOR4
84 PRIMARY_CURSOR_COLOR, ///< name "primaryCursorColor", The color to apply to the primary cursor, type VECTOR4
85 SECONDARY_CURSOR_COLOR, ///< name "secondaryCursorColor", The color to apply to the secondary cursor, type VECTOR4
86 ENABLE_CURSOR_BLINK, ///< name "enableCursorBlink", Whether the cursor should blink or not, type BOOLEAN
87 CURSOR_BLINK_INTERVAL, ///< name "cursorBlinkInterval", The time interval in seconds between cursor on/off states, type FLOAT
88 CURSOR_BLINK_DURATION, ///< name "cursorBlinkDuration", The cursor will stop blinking after this number of seconds (if non-zero), type FLOAT
89 CURSOR_WIDTH, ///< name "cursorWidth", The cursor width, type INTEGER
90 GRAB_HANDLE_IMAGE, ///< name "grabHandleImage", The image to display for the grab handle, type STRING
91 GRAB_HANDLE_PRESSED_IMAGE, ///< name "grabHandlePressedImage", The image to display when the grab handle is pressed, type STRING
92 SCROLL_THRESHOLD, ///< name "scrollThreshold" Scrolling will occur if the cursor is this close to the control border, type FLOAT
93 SCROLL_SPEED, ///< name "scrollSpeed" The scroll speed in pixels per second, type FLOAT
94 SELECTION_HANDLE_IMAGE_LEFT, ///< name "selectionHandleImageLeft", The image to display for the left selection handle, type MAP
95 SELECTION_HANDLE_IMAGE_RIGHT, ///< name "selectionHandleImageRight", The image to display for the right selection handle, type MAP
96 SELECTION_HANDLE_PRESSED_IMAGE_LEFT, ///< name "selectionHandlePressedImageLeft", The image to display when the left selection handle is pressed, type MAP
97 SELECTION_HANDLE_PRESSED_IMAGE_RIGHT, ///< name "selectionHandlePressedImageRight", The image to display when the right selection handle is pressed, type MAP
98 SELECTION_HANDLE_MARKER_IMAGE_LEFT, ///< name "selectionHandleMarkerImageLeft", The image to display for the left selection handle marker, type MAP
99 SELECTION_HANDLE_MARKER_IMAGE_RIGHT, ///< name "selectionHandleMarkerImageRight", The image to display for the right selection handle marker, type MAP
100 SELECTION_HIGHLIGHT_COLOR, ///< name "selectionHighlightColor", The color of the selection highlight, type VECTOR4
101 DECORATION_BOUNDING_BOX, ///< name "decorationBoundingBox", The decorations (handles etc) will positioned within this area on-screen, type RECTANGLE
102 INPUT_METHOD_SETTINGS, ///< name "inputMethodSettings", The settings to relating to the System's Input Method, Key and Value type MAP
103 INPUT_COLOR, ///< name "inputColor", The color of the new input text, type VECTOR4
108 * @brief Specifies how the text is truncated when it does not fit
110 * The default value is \e EXCEED_POLICY_CLIP.
114 EXCEED_POLICY_ORIGINAL, ///< The text will be display at original size, and may exceed the TextField boundary.
115 EXCEED_POLICY_CLIP ///< The end of text will be clipped to fit within the TextField.
120 /// @brief Max Characters Exceed signal type;
121 typedef Signal<void ( TextField ) > TextChangedSignalType;
122 typedef Signal<void ( TextField ) > MaxLengthReachedSignalType;
125 * Create the TextField control.
126 * @return A handle to the TextField control.
128 static TextField New();
131 * @brief Creates an empty handle.
136 * @brief Copy constructor.
138 * @param[in] handle The handle to copy from.
140 TextField( const TextField& handle );
143 * @brief Assignment operator.
145 * @param[in] handle The handle to copy from.
146 * @return A reference to this.
148 TextField& operator=( const TextField& handle );
153 * This is non-virtual since derived Handle types must not contain data or virtual methods.
158 * @brief Downcast a handle to TextField.
160 * If the BaseHandle points is a TextField the downcast returns a valid handle.
161 * If not the returned handle is left empty.
163 * @param[in] handle Handle to an object
164 * @return handle to a TextField or an empty handle
166 static TextField DownCast( BaseHandle handle );
171 * @brief This signal is emitted when the text changes.
173 * A callback of the following type may be connected:
175 * void YourCallbackName( TextField textField );
177 * @return The signal to connect to.
179 TextChangedSignalType& TextChangedSignal();
182 * @brief This signal is emitted when inserted text exceeds the maximum character limit.
184 * A callback of the following type may be connected:
186 * void YourCallbackName( TextField textField );
188 * @return The signal to connect to.
190 MaxLengthReachedSignalType& MaxLengthReachedSignal();
192 public: // Not intended for application developers
195 * @brief Creates a handle using the Toolkit::Internal implementation.
197 * @param[in] implementation The Control implementation.
199 DALI_INTERNAL TextField( Internal::TextField& implementation );
202 * @brief Allows the creation of this Control from an Internal::CustomActor pointer.
204 * @param[in] internal A pointer to the internal CustomActor.
206 explicit DALI_INTERNAL TextField( Dali::Internal::CustomActor* internal );
212 } // namespace Toolkit
216 #endif // __DALI_TOOLKIT_TEXT_FIELD_H__