CanvasItem

Abstract base class of all canvas items.

protected abstract

class CanvasItem : Element {

string type [@property getter];

void init(Canvas parent);

double[] getCoords();

auto setCoords(double[] coords);

string[] getTags();

auto setTags(string[] tags);

auto addTag(string tag);

auto deleteTag(string tag);

auto clearTags();

void destroy();

auto moveBy(int xAmount, int yAmount);

auto moveTo(int xPos, int yPos);

auto scale(double xOrigin, double yOrigin, double xPercent, double yPercent);

mixin State ;

}

Members

Functions

addTag auto addTag(string tag): Add a specific tag to this item.
clearTags auto clearTags(): Delete all tags associated to this item.
deleteTag auto deleteTag(string tag): Delete a specific tag associated to this item.
destroy void destroy(): Destroy this item and remove it from the canvas.
focus auto focus(): Set the keyboard focus to this item in the canvas.
getCoords double[] getCoords(): Get the coords of this item.
getTags string[] getTags(): Get the tags associated with this item.
init void init(Canvas parent): Undocumented in source. Be warned that the author may not have intended to support it.
lower auto lower(): Lower an item in the drawing order.
moveBy auto moveBy(int xAmount, int yAmount): Move an item on the canvas by an amount.
moveTo auto moveTo(int xPos, int yPos): Move an item on the canvas to a position.
raise auto raise(): Raise an item in the drawing order.
scale auto scale(double xOrigin, double yOrigin, double xPercent, double yPercent): Scale an item on the canvas. Note that some items have only a single pair of coordinates (e.g., text, images and widgets) and so scaling of them by this command can only move them around.
setCoords auto setCoords(double[] coords): Set the coordinates used to draw this item.
setTags auto setTags(string[] tags): Set tags associated with this item.

Mixins

__anonymous mixin Bind: Mixin common commands.
__anonymous mixin State: Undocumented in source.

Properties

type string type [@property getter]: Get the type of canvas item.

Mixed In Members

From `mixin Bind`

bind auto bind(string binding, CommandCallback callback): Bind a callback to a particular event triggered by this item. This command is identical to UiElement's bind method.
unbind auto unbind(string binding): Unbind a previous event binding.

From `mixin State`

getState string getState(): Get the state of this item.
setState auto setState(string state): Set the item state. The only valid states are normal, disabled or hidden.

Inherited Members

From Element

_tk Tk _tk;: Undocumented in source.
_parent Element _parent;: Undocumented in source.
_manualIdentifier string _manualIdentifier;: Undocumented in source.
_elementId string _elementId;: Undocumented in source.
_hash string _hash;: Undocumented in source.
id string id [@property getter]: The unique id of this element.
parent Element parent [@property getter]: The parent element if any.
overrideGeneratedId void overrideGeneratedId(string identifier): Undocumented in source. Be warned that the author may not have intended to support it.
generateHash string generateHash(): Undocumented in source. Be warned that the author may not have intended to support it.
generateHash string generateHash(string text, A args): Undocumented in source. Be warned that the author may not have intended to support it.
getCommandName string getCommandName(string uniqueData): Undocumented in source. Be warned that the author may not have intended to support it.
createCommand string createCommand(CommandCallback callback, string uniqueData): Undocumented in source. Be warned that the author may not have intended to support it.

Detailed Description

Common Commands

These are injected common commands that can also be used with this widget.

See Also

tkd.element.element

Meta

Source

See Implementation

tkd widget canvas classes

enums