Text selection refactoring
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / devel-api / controls / text-controls / text-editor-devel.h
index 3560363..ac2bc6d 100644 (file)
@@ -2,7 +2,7 @@
 #define DALI_TOOLKIT_TEXT_EDITOR_DEVEL_H
 
 /*
- * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * limitations under the License.
  *
  */
+// EXTERNAL INCLUDES
+#include <dali/devel-api/adaptor-framework/input-method-context.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/public-api/controls/text-controls/text-editor.h>
 
 namespace Dali
 {
-
 namespace Toolkit
 {
-
 namespace DevelTextEditor
 {
-
 namespace Property
 {
-  enum Type
-  {
-      RENDERING_BACKEND = Dali::Toolkit::TextEditor::Property::RENDERING_BACKEND,
-      TEXT = Dali::Toolkit::TextEditor::Property::TEXT,
-      TEXT_COLOR = Dali::Toolkit::TextEditor::Property::TEXT_COLOR,
-      FONT_FAMILY = Dali::Toolkit::TextEditor::Property::FONT_FAMILY,
-      FONT_STYLE = Dali::Toolkit::TextEditor::Property::FONT_STYLE,
-      POINT_SIZE = Dali::Toolkit::TextEditor::Property::POINT_SIZE,
-      HORIZONTAL_ALIGNMENT = Dali::Toolkit::TextEditor::Property::HORIZONTAL_ALIGNMENT,
-      SCROLL_THRESHOLD = Dali::Toolkit::TextEditor::Property::SCROLL_THRESHOLD,
-      SCROLL_SPEED = Dali::Toolkit::TextEditor::Property::SCROLL_SPEED,
-      PRIMARY_CURSOR_COLOR = Dali::Toolkit::TextEditor::Property::PRIMARY_CURSOR_COLOR,
-      SECONDARY_CURSOR_COLOR = Dali::Toolkit::TextEditor::Property::SECONDARY_CURSOR_COLOR,
-      ENABLE_CURSOR_BLINK = Dali::Toolkit::TextEditor::Property::ENABLE_CURSOR_BLINK,
-      CURSOR_BLINK_INTERVAL = Dali::Toolkit::TextEditor::Property::CURSOR_BLINK_INTERVAL,
-      CURSOR_BLINK_DURATION = Dali::Toolkit::TextEditor::Property::CURSOR_BLINK_DURATION,
-      CURSOR_WIDTH = Dali::Toolkit::TextEditor::Property::CURSOR_WIDTH,
-      GRAB_HANDLE_IMAGE = Dali::Toolkit::TextEditor::Property::GRAB_HANDLE_IMAGE,
-      GRAB_HANDLE_PRESSED_IMAGE = Dali::Toolkit::TextEditor::Property::GRAB_HANDLE_PRESSED_IMAGE,
-      SELECTION_HANDLE_IMAGE_LEFT = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_IMAGE_LEFT,
-      SELECTION_HANDLE_IMAGE_RIGHT = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_IMAGE_RIGHT,
-      SELECTION_HANDLE_PRESSED_IMAGE_LEFT = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_PRESSED_IMAGE_LEFT,
-      SELECTION_HANDLE_PRESSED_IMAGE_RIGHT = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_PRESSED_IMAGE_RIGHT,
-      SELECTION_HANDLE_MARKER_IMAGE_LEFT = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_MARKER_IMAGE_LEFT,
-      SELECTION_HANDLE_MARKER_IMAGE_RIGHT = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_MARKER_IMAGE_RIGHT,
-      SELECTION_HIGHLIGHT_COLOR = Dali::Toolkit::TextEditor::Property::SELECTION_HIGHLIGHT_COLOR,
-      DECORATION_BOUNDING_BOX = Dali::Toolkit::TextEditor::Property::DECORATION_BOUNDING_BOX,
-      ENABLE_MARKUP = Dali::Toolkit::TextEditor::Property::ENABLE_MARKUP,
-      INPUT_COLOR = Dali::Toolkit::TextEditor::Property::INPUT_COLOR,
-      INPUT_FONT_FAMILY = Dali::Toolkit::TextEditor::Property::INPUT_FONT_FAMILY,
-      INPUT_FONT_STYLE = Dali::Toolkit::TextEditor::Property::INPUT_FONT_STYLE,
-      INPUT_POINT_SIZE = Dali::Toolkit::TextEditor::Property::INPUT_POINT_SIZE,
-      LINE_SPACING = Dali::Toolkit::TextEditor::Property::LINE_SPACING,
-      INPUT_LINE_SPACING = Dali::Toolkit::TextEditor::Property::INPUT_LINE_SPACING,
-      UNDERLINE = Dali::Toolkit::TextEditor::Property::UNDERLINE,
-      INPUT_UNDERLINE = Dali::Toolkit::TextEditor::Property::INPUT_UNDERLINE,
-      SHADOW = Dali::Toolkit::TextEditor::Property::SHADOW,
-      INPUT_SHADOW = Dali::Toolkit::TextEditor::Property::INPUT_SHADOW,
-      EMBOSS = Dali::Toolkit::TextEditor::Property::EMBOSS,
-      INPUT_EMBOSS = Dali::Toolkit::TextEditor::Property::INPUT_EMBOSS,
-      OUTLINE = Dali::Toolkit::TextEditor::Property::OUTLINE,
-      INPUT_OUTLINE = Dali::Toolkit::TextEditor::Property::INPUT_OUTLINE,
-
-      /**
-       * @brief name "smoothScroll", type bool
-       * @details Enable or disable the smooth scroll animation
-       * @note This property is currently being used for some applications, so it can't be changed.
-       */
-      SMOOTH_SCROLL = INPUT_OUTLINE + 1,
-
-      /**
-       * @brief name "smoothScrollDuration", type float
-       * @details Sets the duration of smooth scroll animation
-       * @note This property is currently being used for some applications, so it can't be changed.
-       */
-      SMOOTH_SCROLL_DURATION,
-
-      /**
-       * @brief name "enableScrollBar", type bool
-       * @details Enable or disable the scroll bar
-       * @note This property is currently being used for some applications, so it can't be changed.
-       */
-      ENABLE_SCROLL_BAR,
-
-      /**
-       * @brief name "scrollBarShowDuration", type float
-       * @details Sets the duration of scroll bar to show
-       * @note This property is currently being used for some applications, so it can't be changed.
+enum Type
+{
+  TEXT                                 = Dali::Toolkit::TextEditor::Property::TEXT,
+  TEXT_COLOR                           = Dali::Toolkit::TextEditor::Property::TEXT_COLOR,
+  FONT_FAMILY                          = Dali::Toolkit::TextEditor::Property::FONT_FAMILY,
+  FONT_STYLE                           = Dali::Toolkit::TextEditor::Property::FONT_STYLE,
+  POINT_SIZE                           = Dali::Toolkit::TextEditor::Property::POINT_SIZE,
+  HORIZONTAL_ALIGNMENT                 = Dali::Toolkit::TextEditor::Property::HORIZONTAL_ALIGNMENT,
+  SCROLL_THRESHOLD                     = Dali::Toolkit::TextEditor::Property::SCROLL_THRESHOLD,
+  SCROLL_SPEED                         = Dali::Toolkit::TextEditor::Property::SCROLL_SPEED,
+  PRIMARY_CURSOR_COLOR                 = Dali::Toolkit::TextEditor::Property::PRIMARY_CURSOR_COLOR,
+  SECONDARY_CURSOR_COLOR               = Dali::Toolkit::TextEditor::Property::SECONDARY_CURSOR_COLOR,
+  ENABLE_CURSOR_BLINK                  = Dali::Toolkit::TextEditor::Property::ENABLE_CURSOR_BLINK,
+  CURSOR_BLINK_INTERVAL                = Dali::Toolkit::TextEditor::Property::CURSOR_BLINK_INTERVAL,
+  CURSOR_BLINK_DURATION                = Dali::Toolkit::TextEditor::Property::CURSOR_BLINK_DURATION,
+  CURSOR_WIDTH                         = Dali::Toolkit::TextEditor::Property::CURSOR_WIDTH,
+  GRAB_HANDLE_IMAGE                    = Dali::Toolkit::TextEditor::Property::GRAB_HANDLE_IMAGE,
+  GRAB_HANDLE_PRESSED_IMAGE            = Dali::Toolkit::TextEditor::Property::GRAB_HANDLE_PRESSED_IMAGE,
+  SELECTION_HANDLE_IMAGE_LEFT          = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_IMAGE_LEFT,
+  SELECTION_HANDLE_IMAGE_RIGHT         = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_IMAGE_RIGHT,
+  SELECTION_HANDLE_PRESSED_IMAGE_LEFT  = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_PRESSED_IMAGE_LEFT,
+  SELECTION_HANDLE_PRESSED_IMAGE_RIGHT = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_PRESSED_IMAGE_RIGHT,
+  SELECTION_HANDLE_MARKER_IMAGE_LEFT   = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_MARKER_IMAGE_LEFT,
+  SELECTION_HANDLE_MARKER_IMAGE_RIGHT  = Dali::Toolkit::TextEditor::Property::SELECTION_HANDLE_MARKER_IMAGE_RIGHT,
+  SELECTION_HIGHLIGHT_COLOR            = Dali::Toolkit::TextEditor::Property::SELECTION_HIGHLIGHT_COLOR,
+  DECORATION_BOUNDING_BOX              = Dali::Toolkit::TextEditor::Property::DECORATION_BOUNDING_BOX,
+  ENABLE_MARKUP                        = Dali::Toolkit::TextEditor::Property::ENABLE_MARKUP,
+  INPUT_COLOR                          = Dali::Toolkit::TextEditor::Property::INPUT_COLOR,
+  INPUT_FONT_FAMILY                    = Dali::Toolkit::TextEditor::Property::INPUT_FONT_FAMILY,
+  INPUT_FONT_STYLE                     = Dali::Toolkit::TextEditor::Property::INPUT_FONT_STYLE,
+  INPUT_POINT_SIZE                     = Dali::Toolkit::TextEditor::Property::INPUT_POINT_SIZE,
+  LINE_SPACING                         = Dali::Toolkit::TextEditor::Property::LINE_SPACING,
+  INPUT_LINE_SPACING                   = Dali::Toolkit::TextEditor::Property::INPUT_LINE_SPACING,
+  UNDERLINE                            = Dali::Toolkit::TextEditor::Property::UNDERLINE,
+  INPUT_UNDERLINE                      = Dali::Toolkit::TextEditor::Property::INPUT_UNDERLINE,
+  SHADOW                               = Dali::Toolkit::TextEditor::Property::SHADOW,
+  INPUT_SHADOW                         = Dali::Toolkit::TextEditor::Property::INPUT_SHADOW,
+  EMBOSS                               = Dali::Toolkit::TextEditor::Property::EMBOSS,
+  INPUT_EMBOSS                         = Dali::Toolkit::TextEditor::Property::INPUT_EMBOSS,
+  OUTLINE                              = Dali::Toolkit::TextEditor::Property::OUTLINE,
+  INPUT_OUTLINE                        = Dali::Toolkit::TextEditor::Property::INPUT_OUTLINE,
+  SMOOTH_SCROLL                        = Dali::Toolkit::TextEditor::Property::SMOOTH_SCROLL,
+  SMOOTH_SCROLL_DURATION               = Dali::Toolkit::TextEditor::Property::SMOOTH_SCROLL_DURATION,
+  ENABLE_SCROLL_BAR                    = Dali::Toolkit::TextEditor::Property::ENABLE_SCROLL_BAR,
+  SCROLL_BAR_SHOW_DURATION             = Dali::Toolkit::TextEditor::Property::SCROLL_BAR_SHOW_DURATION,
+  SCROLL_BAR_FADE_DURATION             = Dali::Toolkit::TextEditor::Property::SCROLL_BAR_FADE_DURATION,
+  PIXEL_SIZE                           = Dali::Toolkit::TextEditor::Property::PIXEL_SIZE,
+  LINE_COUNT                           = Dali::Toolkit::TextEditor::Property::LINE_COUNT,
+  ENABLE_SELECTION                     = Dali::Toolkit::TextEditor::Property::ENABLE_SELECTION,
+  PLACEHOLDER                          = Dali::Toolkit::TextEditor::Property::PLACEHOLDER,
+  LINE_WRAP_MODE                       = Dali::Toolkit::TextEditor::Property::LINE_WRAP_MODE,
+
+  /**
+       * @brief The text to display when the TextEditor is empty and inactive.
+       * @details Name "placeholderText", type Property::STRING.
        */
-      SCROLL_BAR_SHOW_DURATION,
+  PLACEHOLDER_TEXT,
 
-      /**
-       * @brief name "scrollBarFadeDuration", type float
-       * @details Sets the duration of scroll bar to fade out
-       * @note This property is currently being used for some applications, so it can't be changed.
-       */
-      SCROLL_BAR_FADE_DURATION,
-
-      /**
-       * @brief The size of font in pixels.
-       *
-       * Conversion from Point size to Pixel size :
-       *  Pixel size = Point size * DPI / 72
-       * @details name "pixelSize", type float
+  /**
+       * @brief The placeholder-text color.
+       * @details Name "placeholderTextColor", type Property::VECTOR4.
        */
-      PIXEL_SIZE,
+  PLACEHOLDER_TEXT_COLOR,
 
-      /**
-       * @brief The line count of text.
-       * @details name "lineCount", type int
-       * @note this property is read-only.
+  /**
+       * @brief Enables Text selection using Shift key.
+       * @details Name "enableShiftSelection", type Property::BOOLEAN.
        */
-      LINE_COUNT,
+  ENABLE_SHIFT_SELECTION,
 
-      /**
-       * @brief The text to display when the TextEditor is empty and inactive.
-       * @details name "placeholderText", type string
+  /**
+       * @brief Enables the grab handles for text selection.
+       * @details Name "enableGrabHandle", type Property::BOOLEAN.
+       * @note The default value is true, which means the grab handles are enabled by default.
        */
-      PLACEHOLDER_TEXT,
+  ENABLE_GRAB_HANDLE,
 
-      /**
-       * @brief The placeholder-text color.
-       * @details name "placeholderTextColor", type vector4
+  /**
+       * @brief Modifies the default text alignment to match the direction of the system language.
+       * @details Name "matchSystemLanguageDirection", type (Property::BOOLEAN), Read/Write
+       * @note The default value is false
        */
-      PLACEHOLDER_TEXT_COLOR,
+  MATCH_SYSTEM_LANGUAGE_DIRECTION,
 
-      /**
-       * @brief Enables Text selection, such as the cursor, handle, clipboard, and highlight color.
-       * @details name "enableSelection", type bool
-       */
-      ENABLE_SELECTION,
-
-      /**
-       * @brief Sets the placeholder : text, color, font family, font style, point size, and pixel size.
-       *
-       * @code
-       *   Property::Map propertyMap;
-       *   propertyMap["placeholderText"] = "Setting Placeholder Text";
-       *   propertyMap["placeholderTextFocused"] = "Setting Placeholder Text Focused";
-       *   propertyMap["placeholderColor"] = Color::RED;
-       *   propertyMap["placeholderFontFamily"] = "Arial";
-       *   propertyMap["placeholderPointSize"] = 12.0f;
-       *
-       *   Property::Map fontStyleMap;
-       *   fontStyleMap.Insert( "weight", "bold" );
-       *   fontStyleMap.Insert( "width", "condensed" );
-       *   fontStyleMap.Insert( "slant", "italic" );
-       *   propertyMap["placeholderFontStyle"] = fontStyleMap;
-       *
-       *   editor.SetProperty( DevelTextEditor::Property::PLACEHOLDER, propertyMap );
-       * @endcode
-       *
-       * @details name "placeholder", type MAP
+  /**
+       * @brief The type or rendering e.g. bitmap-based.
+       * @details Name "renderingBackend", type Property::INTEGER.
        */
-      PLACEHOLDER,
+  RENDERING_BACKEND,
+
+  /**
+   * @brief The maximum number of characters that can be inserted.
+   * @details Name "maxLength", type Property::INTEGER.
+   */
+  MAX_LENGTH,
+
+  /**
+   * @brief The selected text start position.
+   * @details Name "selectedTextStart", type Property::INTEGER.
+   */
+  SELECTED_TEXT_START,
+
+  /**
+   * @brief The selected text range end position.
+   * @details Name "selectedTextEnd", type Property::INTEGER.
+   */
+  SELECTED_TEXT_END,
+};
 
-      /**
-       * @brief line wrap mode when the text lines over layout width.
-       * @details name "lineWrapMode", type string.
-       */
-      LINE_WRAP_MODE
-  };
 } // namespace Property
 
-namespace Scroll
-{
-  enum Type
-  {
-    STARTED,   ///< Scrolling is started.
-    FINISHED   ///< Scrolling is finished.
-  };
-} // namespace Scroll
+/**
+ * @brief Return the input method context of TextEditor.
+ *
+ * @param[in] textEditor The instance of TextEditor.
+ * @return InputMethodContext instance.
+ */
+DALI_TOOLKIT_API InputMethodContext GetInputMethodContext(TextEditor textEditor);
 
-typedef Signal< void ( TextEditor, Scroll::Type ) > ScrollStateChangedSignalType;
+/**
+ * @brief Max Characters Exceed signal type.
+  */
+using MaxLengthReachedSignalType = Signal<void(TextEditor)>;
 
 /**
- * @brief This signal is emitted when TextEditor scrolling is started or finished.
+ * @brief This signal is emitted when inserted text exceeds the maximum character limit.
  *
  * A callback of the following type may be connected:
  * @code
- *   void YourCallbackName( ScrollState::Type type );
+ *   void YourCallbackName( TextEditor textEditor );
  * @endcode
- * type: Whether the scrolling is started or finished.
+ * @param[in] textEditor The instance of TextEditor.
  * @return The signal to connect to
  */
-DALI_IMPORT_API ScrollStateChangedSignalType& ScrollStateChangedSignal( TextEditor textEditor );
+DALI_TOOLKIT_API MaxLengthReachedSignalType& MaxLengthReachedSignal(TextEditor textEditor);
 
 } // namespace DevelTextEditor