#define __DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H__
/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2016 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.
namespace Text
{
+//Forward declarations
+struct CursorInfo;
+
struct Event
{
// Used to queue input events until DoRelayout()
Param p3;
};
-struct CursorInfo
-{
- CursorInfo()
- : primaryPosition(),
- secondaryPosition(),
- lineOffset( 0.f ),
- lineHeight( 0.f ),
- primaryCursorHeight( 0.f ),
- secondaryCursorHeight( 0.f ),
- isSecondaryCursor( false )
- {}
-
- ~CursorInfo()
- {}
-
- Vector2 primaryPosition; ///< The primary cursor's position.
- Vector2 secondaryPosition; ///< The secondary cursor's position.
- float lineOffset; ///< The vertical offset where the line containing the cursor starts.
- float lineHeight; ///< The height of the line where the cursor is placed.
- float primaryCursorHeight; ///< The primary cursor's height.
- float secondaryCursorHeight; ///< The secondary cursor's height.
- bool isSecondaryCursor; ///< Whether the secondary cursor is valid.
-};
-
struct EventData
{
enum State
EDITING_WITH_GRAB_HANDLE,
EDITING_WITH_PASTE_POPUP,
GRAB_HANDLE_PANNING,
- SELECTION_HANDLE_PANNING
+ SELECTION_HANDLE_PANNING,
+ TEXT_PANNING
};
EventData( DecoratorPtr decorator );
InputStyle mInputStyle; ///< The style to be set to the new inputed text.
- /**
- * 0,0 means that the top-left corner of the layout matches the top-left corner of the UI control.
- * Typically this will have a negative value with scrolling occurs.
- */
- Vector2 mScrollPosition; ///< The text is offset by this position when scrolling.
-
+ State mPreviousState; ///< Stores the current state before it's updated with the new one.
State mState; ///< Selection mode, edit mode etc.
CharacterIndex mPrimaryCursorPosition; ///< Index into logical model for primary cursor.
CharacterIndex mPreEditStartPosition; ///< Used to remove the pre-edit text if necessary.
Length mPreEditLength; ///< Used to remove the pre-edit text if necessary.
+ float mCursorHookPositionX; ///< Used to move the cursor with the keys or when scrolling the text vertically with the handles.
+
bool mIsShowingPlaceholderText : 1; ///< True if the place-holder text is being displayed.
bool mPreEditFlag : 1; ///< True if the model contains text in pre-edit state.
bool mDecoratorUpdated : 1; ///< True if the decorator was updated during event processing.
bool mGrabHandleEnabled : 1; ///< True if grab handle is enabled.
bool mGrabHandlePopupEnabled : 1; ///< True if the grab handle popu-up should be shown.
bool mSelectionEnabled : 1; ///< True if selection handles, highlight etc. are enabled.
- bool mHorizontalScrollingEnabled : 1; ///< True if horizontal scrolling is enabled.
- bool mVerticalScrollingEnabled : 1; ///< True if vertical scrolling is enabled.
+ bool mUpdateCursorHookPosition : 1; ///< True if the cursor hook position must be updated. Used to move the cursor with the keys 'up' and 'down'.
bool mUpdateCursorPosition : 1; ///< True if the visual position of the cursor must be recalculated.
+ bool mUpdateGrabHandlePosition : 1; ///< True if the visual position of the grab handle must be recalculated.
bool mUpdateLeftSelectionPosition : 1; ///< True if the visual position of the left selection handle must be recalculated.
bool mUpdateRightSelectionPosition : 1; ///< True if the visual position of the right selection handle must be recalculated.
+ bool mIsLeftHandleSelected : 1; ///< Whether is the left handle the one which is selected.
+ bool mUpdateHighlightBox : 1; ///< True if the text selection high light box must be updated.
bool mScrollAfterUpdatePosition : 1; ///< Whether to scroll after the cursor position is updated.
bool mScrollAfterDelete : 1; ///< Whether to scroll after delete characters.
bool mAllTextSelected : 1; ///< True if the selection handles are selecting all the text.
{
FontDefaults()
: mFontDescription(),
- mFontStyle(),
mDefaultPointSize( 0.f ),
mFontId( 0u ),
familyDefined( false ),
}
TextAbstraction::FontDescription mFontDescription; ///< The default font's description.
- std::string mFontStyle; ///< The font's style string set through the property system.
float mDefaultPointSize; ///< The default font's point size.
FontId mFontId; ///< The font's id of the default font.
bool familyDefined:1; ///< Whether the default font's family name is defined.
}
};
+struct UnderlineDefaults
+{
+ std::string properties;
+ // TODO: complete with underline parameters.
+};
+
+struct ShadowDefaults
+{
+ std::string properties;
+ // TODO: complete with shadow parameters.
+};
+
+struct EmbossDefaults
+{
+ std::string properties;
+ // TODO: complete with emboss parameters.
+};
+
+struct OutlineDefaults
+{
+ std::string properties;
+ // TODO: complete with outline parameters.
+};
+
struct Controller::Impl
{
Impl( ControlInterface& controlInterface )
mLogicalModel(),
mVisualModel(),
mFontDefaults( NULL ),
+ mUnderlineDefaults( NULL ),
+ mShadowDefaults( NULL ),
+ mEmbossDefaults( NULL ),
+ mOutlineDefaults( NULL ),
mEventData( NULL ),
mFontClient(),
mClipboard(),
mLayoutEngine(),
mModifyEvents(),
mTextColor( Color::BLACK ),
- mAlignmentOffset(),
mTextUpdateInfo(),
mOperationsPending( NO_OPERATION ),
mMaximumNumberOfCharacters( 50u ),
~Impl()
{
delete mFontDefaults;
+ delete mUnderlineDefaults;
+ delete mShadowDefaults;
+ delete mEmbossDefaults;
+ delete mOutlineDefaults;
delete mEventData;
}
}
}
+ /**
+ * @brief Helper to notify IMF manager with surrounding text & cursor changes.
+ */
+ void NotifyImfManager();
+
+ /**
+ * @brief Helper to notify IMF manager with multi line status.
+ */
+ void NotifyImfMultiLineStatus();
+
+ /**
+ * @brief Retrieve the current cursor position.
+ *
+ * @return The cursor position.
+ */
+ CharacterIndex GetLogicalCursorPosition() const;
+
+ /**
+ * @brief Retrieves the number of consecutive white spaces starting from the given @p index.
+ *
+ * @param[in] index The character index from where to count the number of consecutive white spaces.
+ *
+ * @return The number of consecutive white spaces.
+ */
+ Length GetNumberOfWhiteSpaces( CharacterIndex index ) const;
+
+ /**
+ * @brief Retrieve any text previously set starting from the given @p index.
+ *
+ * @param[in] index The character index from where to retrieve the text.
+ * @param[out] text A string of UTF-8 characters.
+ *
+ * @see Dali::Toolkit::Text::Controller::GetText()
+ */
+ void GetText( CharacterIndex index, std::string& text ) const;
+
bool IsClipboardEmpty()
{
bool result( mClipboard && mClipboard.NumberOfItems() );
void OnSelectAllEvent();
+ /**
+ * @brief Retrieves the selected text. It removes the text if the @p deleteAfterRetrieval parameter is @e true.
+ *
+ * @param[out] selectedText The selected text encoded in utf8.
+ * @param[in] deleteAfterRetrieval Whether the text should be deleted after retrieval.
+ */
void RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval );
void ShowClipboard();
void SetPopupButtons();
void ChangeState( EventData::State newState );
- LineIndex GetClosestLine( float y ) const;
-
- void FindSelectionIndices( float visualX, float visualY, CharacterIndex& startIndex, CharacterIndex& endIndex );
-
- /**
- * @brief Retrieves the cursor's logical position for a given touch point x,y
- *
- * @param[in] visualX The touch point x.
- * @param[in] visualY The touch point y.
- *
- * @return The logical cursor position (in characters). 0 is just before the first character, a value equal to the number of characters is just after the last character.
- */
- CharacterIndex GetClosestCursorIndex( float visualX,
- float visualY );
/**
* @brief Calculates the cursor's position for a given character index in the logical order.
/**
* @biref Clamps the horizontal scrolling to get the control always filled with text.
*
- * @param[in] actualSize The size of the laid out text.
+ * @param[in] layoutSize The size of the laid out text.
*/
- void ClampHorizontalScroll( const Vector2& actualSize );
+ void ClampHorizontalScroll( const Vector2& layoutSize );
/**
* @biref Clamps the vertical scrolling to get the control always filled with text.
*
- * @param[in] actualSize The size of the laid out text.
+ * @param[in] layoutSize The size of the laid out text.
*/
- void ClampVerticalScroll( const Vector2& actualSize );
+ void ClampVerticalScroll( const Vector2& layoutSize );
/**
* @brief Scrolls the text to make a position visible.
* @pre mEventData must not be NULL. (there is a text-input or selection capabilities).
*
* @param[in] position A position in text coords.
+ * @param[in] lineHeight The line height for the given position.
*
* This method is called after inserting text, moving the cursor with the grab handle or the keypad,
* or moving the selection handles.
*/
- void ScrollToMakePositionVisible( const Vector2& position );
+ void ScrollToMakePositionVisible( const Vector2& position, float lineHeight );
/**
* @brief Scrolls the text to make the cursor visible.
LogicalModelPtr mLogicalModel; ///< Pointer to the logical model.
VisualModelPtr mVisualModel; ///< Pointer to the visual model.
FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
+ UnderlineDefaults* mUnderlineDefaults; ///< Avoid allocating this when the user does not specify underline parameters.
+ ShadowDefaults* mShadowDefaults; ///< Avoid allocating this when the user does not specify shadow parameters.
+ EmbossDefaults* mEmbossDefaults; ///< Avoid allocating this when the user does not specify emboss parameters.
+ OutlineDefaults* mOutlineDefaults; ///< Avoid allocating this when the user does not specify outline parameters.
EventData* mEventData; ///< Avoid allocating everything for text input until EnableTextInput().
TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
Clipboard mClipboard; ///< Handle to the system clipboard
LayoutEngine mLayoutEngine; ///< The layout engine.
Vector<ModifyEvent> mModifyEvents; ///< Temporary stores the text set until the next relayout.
Vector4 mTextColor; ///< The regular text color
- Vector2 mAlignmentOffset; ///< Vertical and horizontal offset of the whole text inside the control due to alignment.
+ /**
+ * 0,0 means that the top-left corner of the layout matches the top-left corner of the UI control.
+ * Typically this will have a negative value with scrolling occurs.
+ */
+ Vector2 mScrollPosition; ///< The text is offset by this position when scrolling.
TextUpdateInfo mTextUpdateInfo; ///< Info of the characters updated.
OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
Length mMaximumNumberOfCharacters; ///< Maximum number of characters that can be inserted.
projects / platform / core / uifw / dali-toolkit.git / blobdiff