TextLayouter

Constructors

this

this(TextStyle defaultStyle)

Members

Enums

FindResult

enum FindResult

Finds the given text, setting the given selection to it, if found.

Functions

appendText

void appendText(const(char)[] text, StyleHandle style)

Appends text at the end, without disturbing user selection.

clearWasMutatedFlag

void clearWasMutatedFlag()

The layouter maintains a flag to tell if the content has been changed.

find

FindResult find(int selectionId, const(char)[] text, bool direction, bool wraparound)

Finds the given text, setting the given selection to it, if found.

getDrawableText

void getDrawableText(bool delegate(scope const(char)[] segment, TextStyle style, DrawingInformation information, CaretInformation[] carets...) dg, Rectangle box)

Gets the text that you need to draw, guaranteeing each call to your delegate will:

getText

void getText(void delegate(scope const(char)[] segment, TextStyle style) handler)

Calls your delegate for each segment of the text, guaranteeing you will be called exactly once for each non-nil char in the string and each slice will have exactly one style. A segment may be as small as a single char.

getTextString

string getTextString()

Gets the current text value as a plain-text string.

height

int height()

The rendered size of the text.

invalidateLayout

void invalidateLayout(size_t start, size_t end, int changeInTextLength)

This should be called (internally, end users don't need to see it) any time the text or style has changed.

justificationWidth

void justificationWidth(int width)

offsetOfClick

int offsetOfClick(Point p)

Selections have two parts: an anchor (typically set to where the user clicked the mouse down) and a focus (typically where the user released the mouse button). As you click and drag, you want to change the focus while keeping the anchor the same.

registerStyle

StyleHandle registerStyle(TextStyle style)

Registers a text style you can use in text segments.

relayoutIfNecessary

void relayoutIfNecessary()

This should be called (internally, end users don't need to see it) any time you're going to return something to the user that is dependent on the layout.

relayoutImplementation

void relayoutImplementation()

restoreState

void restoreState(const(State)* state)

The editor's internal state can be saved and restored as an opaque blob. You might use this to make undo checkpoints and similar.

saveState

const(State)* saveState()

The editor's internal state can be saved and restored as an opaque blob. You might use this to make undo checkpoints and similar.

selection

Selection selection(int id)

Gets the object representing the given selection.

styleAtPoint

const(TextStyle) styleAtPoint(Point p)

wasMutated

bool wasMutated()

The layouter maintains a flag to tell if the content has been changed.

width

int width()

The rendered size of the text.

wordWrapWidth

void wordWrapWidth(int width)

Set to 0 to disable word wrapping.

Structs

StyleHandle

struct StyleHandle

Represents a possible registered style for a segment of text.

• TerminalFontRepresentation
• TextLayouter

• TextStyle

• Selection