Widget

addChild Widget addChild(Widget item): adds child, returns added item
addChildren Widget addChildren(Widget[] items): adds child, returns added item
addOnCheckChangeListener Widget addOnCheckChangeListener(bool delegate(Widget, bool) listener): helper function to add onCheckChangeListener in method chain
addOnClickListener Widget addOnClickListener(bool delegate(Widget) listener): helper function to add onCheckChangeListener in method chain
addOnFocusChangeListener Widget addOnFocusChangeListener(bool delegate(Widget, bool) listener): helper function to add onFocusChangeListener in method chain
animate void animate(long interval): animates window; interval is time left from previous draw, in hnsecs (1/10000000 of second)
applyAlign void applyAlign(Rect rc, Point sz): Applies alignment for content of size sz - set rectangle rc to aligned value of content inside of initial value of rc.
applyMargins void applyMargins(Rect rc): Helper function: applies margins to rectangle
applyPadding void applyPadding(Rect rc): Helper function: applies padding to rectangle
canShowPopupMenu bool canShowPopupMenu(int x, int y): returns true if widget can show popup menu (e.g. by mouse right click at point x,y)
cancelLayout void cancelLayout(): Undocumented in source. Be warned that the author may not have intended to support it.
cancelTimer void cancelTimer(ulong timerId): cancel timer - pass value returned from setTimer() as timerId parameter
child Widget child(int index): returns child by index
childById T childById(string id, bool deepSearch): find child of specified type T by id, returns null if not found or cannot be converted to type T
childIndex int childIndex(Widget item): returns index of widget in child list, -1 if passed widget is not a child of this widget
compareId bool compareId(string id): compare widget id with specified value, returs true if matches
createTooltip Widget createTooltip(int mouseX, int mouseY, uint alignment, int x, int y): will be called from window once tooltip request timer expired; if null is returned, popup will not be shown; you can change alignment and position of popup here
dispatchAction bool dispatchAction(Action a): call to dispatch action
drawFocusRect void drawFocusRect(DrawBuf buf, Rect rc): draws focus rectangle, if enabled in styles
executeInUiThread void executeInUiThread(void delegate() runnable): execute delegate later in UI thread if this widget will be still available (can be used to modify UI from background thread, or just to postpone execution of action)
findFocusableChild Widget findFocusableChild(bool defaultOnly): searches children for first focusable item, returns null if not found
findKeyAction Action findKeyAction(uint keyCode, uint flags): map key to action
focusGroupWidget Widget focusGroupWidget(): find nearest parent of this widget with focusGroup flag, returns topmost parent if no focusGroup flag set to any of parents.
getCursorType uint getCursorType(int x, int y): returns mouse cursor type for widget
handleAction bool handleAction(Action a): override to handle specific actions
handleActionStateChanged void handleActionStateChanged(): called when state of action assigned on widget is changed
handleActionStateRequest bool handleActionStateRequest(Action a): override to handle specific actions state (e.g. change enabled state for supported actions)
handleCheckChange void handleCheckChange(bool checked): override to handle check changes
handleClick bool handleClick(): Undocumented in source. Be warned that the author may not have intended to support it.
handleFocusChange void handleFocusChange(bool focused, bool receivedFocusFromKeyboard): override to handle focus changes
handleFontChanged void handleFontChanged(): override to handle font changes
handleMoveFocusUsingKeys bool handleMoveFocusUsingKeys(KeyEvent event): Undocumented in source. Be warned that the author may not have intended to support it.
insertChild Widget insertChild(Widget item, int index): inserts child at given index, returns inserted item
invalidate void invalidate(): request redraw
isActionEnabled bool isActionEnabled(Action action): override to change popup menu items state
isChild bool isChild(Widget item, bool deepSearch): returns true if item is child of this widget (when deepSearch == true - returns true if item is this widget or one of children inside children tree).
isPointInside bool isPointInside(int x, int y): returns true if point is inside of this widget
layout void layout(Rect rc): Set widget rectangle to specified value and layout widget contents. (Step 2 of two phase layout).
measure void measure(int parentWidth, int parentHeight): Measure widget according to desired width and height constraints. (Step 1 of two phase layout).
measuredContent void measuredContent(int parentWidth, int parentHeight, int contentWidth, int contentHeight): helper function for implement measure() when widget's content dimensions are known
onDraw void onDraw(DrawBuf buf): Draw widget at its position to buffer
onEvent bool onEvent(CustomEvent event): handle custom event
onKeyEvent bool onKeyEvent(KeyEvent event): process key event, return true if event is processed.
onMouseEvent bool onMouseEvent(MouseEvent event): process mouse event; return true if event is processed by widget.
onThemeChanged void onThemeChanged(): handle theme change: e.g. reload some themed resources
onTimer bool onTimer(ulong id): handle timer; return true to repeat timer event after next interval, false cancel timer
removeAllChildren void removeAllChildren(bool destroyObj): Undocumented in source. Be warned that the author may not have intended to support it.
removeChild Widget removeChild(Widget child): removes child, returns removed item
removeChild Widget removeChild(string id): removes child by ID, returns removed item
removeChild Widget removeChild(int index): removes child, returns removed item
requestActionsUpdate void requestActionsUpdate(bool immediateUpdate): set action update request flag, will be cleared after redraw
requestLayout void requestLayout(): request relayout of widget and its children
scheduleTooltip void scheduleTooltip(long delay, uint alignment, int x, int y): schedule tooltip
setBoolProperty bool setBoolProperty(string name, bool value): set string property value, for ML loaders
setDoubleProperty bool setDoubleProperty(string name, double value): set double property value, for ML loaders
setDstringProperty bool setDstringProperty(string name, dstring value): set string property value, for ML loaders
setFocus Widget setFocus(FocusReason reason): sets focus to this widget or suitable focusable child, returns previously focused widget
setIntProperty bool setIntProperty(string name, int value): set int property value, for ML loaders
setRectProperty bool setRectProperty(string name, Rect value): set Rect property value, for ML loaders
setStringListValueListProperty bool setStringListValueListProperty(string propName, StringListValue[] values): StringListValue list values
setStringProperty bool setStringProperty(string name, string value): set string property value, for ML loaders
setTimer ulong setTimer(long intervalMillis): set new timer to call onTimer() after specified interval (for recurred notifications, return true from onTimer)
setUIStringListProperty bool setUIStringListProperty(string propName, UIString[] values): UIString list values
setUistringProperty bool setUistringProperty(string name, UIString value): set string property value, for ML loaders
setWindowFocusedFlag bool setWindowFocusedFlag(bool flg): Undocumented in source. Be warned that the author may not have intended to support it.
showPopupMenu void showPopupMenu(int x, int y): shows popup menu at (x,y)
updateActionState void updateActionState(bool force): call to update state for action (if action is assigned for widget)
updateActionState bool updateActionState(Action a, bool force, bool allowDefault): ask for update state of some action (unles force=true, checks window flag actionsUpdateRequested), returns true if action state is changed
updateStateFromAction void updateStateFromAction(Action a): apply enabled, visibile and checked state for this widget from action's state

Properties

acceleratorMap ActionMap acceleratorMap [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.
action Action action [@property setter]: action to emit on click
action const(Action) action [@property getter]: action to emit on click
action Action action [@property setter]: action to emit on click
alignment ubyte alignment [@property getter]: returns alignment (combined vertical and horizontal)
alignment ubyte alignment [@property setter]: sets alignment (combined vertical and horizontal)
alpha uint alpha [@property getter]: widget drawing alpha value (0=opaque .. 255=transparent)
alpha uint alpha [@property setter]: set widget drawing alpha value (0=opaque .. 255=transparent)
animating bool animating [@property getter]: returns true is widget is being animated - need to call animate() and redraw
backgroundColor uint backgroundColor [@property getter]: returns background color
backgroundColor uint backgroundColor [@property setter]: set background color for widget - override one from style
backgroundColor string backgroundColor [@property setter]: set background color for widget - from string like "#5599CC" or "white"
backgroundDrawable DrawableRef backgroundDrawable [@property getter]: background drawable
backgroundDrawable DrawableRef backgroundDrawable [@property setter]: background drawable
backgroundImageId string backgroundImageId [@property getter]: background image id
backgroundImageId string backgroundImageId [@property setter]: background image id
canCheck bool canCheck [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.
canClick bool canClick [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.
canFocus bool canFocus [@property getter]: returns true if widget is focusable and visible and enabled
checkable bool checkable [@property getter]: when true, control supports Checked state
checkable bool checkable [@property setter]: Undocumented in source. Be warned that the author may not have intended to support it.
checked bool checked [@property getter]: get checked state
checked bool checked [@property setter]: set checked state
childCount int childCount [@property getter]: returns number of children of this widget
clickable bool clickable [@property getter]: when true, user can click this control, and get onClick listeners called
clickable bool clickable [@property setter]: Undocumented in source. Be warned that the author may not have intended to support it.
enabled bool enabled [@property getter]: return true if state has State.Enabled flag set
enabled bool enabled [@property setter]: change enabled state
focusGroup bool focusGroup [@property setter]: set focus group flag for container widget
focusGroup bool focusGroup [@property getter]: When focus group is set for some parent widget, focus from one of containing widgets can be moved using keyboard only to one of other widgets containing in it and cannot bypass bounds of focusGroup.
focusGroupFocused bool focusGroupFocused [@property setter]: Undocumented in source. Be warned that the author may not have intended to support it.
focusGroupFocused bool focusGroupFocused [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.
focusRectColors const(uint[]) focusRectColors [@property getter]: returns colors to draw focus rectangle (one for solid, two for vertical gradient) or null if no focus rect should be drawn for style
focusable bool focusable [@property getter]: whether widget can be focused
focusable bool focusable [@property setter]: Undocumented in source. Be warned that the author may not have intended to support it.
focused bool focused [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.
font FontRef font [@property getter]: returns font set for widget using style or set manually
fontFace string fontFace [@property getter]: returns font face
fontFace string fontFace [@property setter]: set font face for widget - override one from style
fontFamily FontFamily fontFamily [@property getter]: returns font family
fontFamily FontFamily fontFamily [@property setter]: set font family for widget - override one from style
fontItalic bool fontItalic [@property getter]: returns font style (italic/normal)
fontItalic bool fontItalic [@property setter]: set font style (italic/normal) for widget - override one from style
fontSize int fontSize [@property getter]: returns font size in pixels
fontSize int fontSize [@property setter]: set font size for widget - override one from style
fontWeight ushort fontWeight [@property getter]: returns font weight
fontWeight int fontWeight [@property setter]: set font weight for widget - override one from style
halign Align halign [@property getter]: returns vertical alignment
hasTooltip bool hasTooltip [@property getter]: returns true if widget has tooltip to show
height int height [@property getter]: returns current height of widget in pixels
id string id [@property getter]: returns widget id, null if not set
id string id [@property setter]: set widget id
instanceCount int instanceCount [@property getter]: for debug purposes - number of created widget objects, not yet destroyed
layoutHeight int layoutHeight [@property getter]: returns layout height options (WRAP_CONTENT, FILL_PARENT, some constant value or percent but only for one widget in layout)
layoutHeight int layoutHeight [@property setter]: sets layout height options (WRAP_CONTENT, FILL_PARENT, or some constant value)
layoutWeight int layoutWeight [@property getter]: returns layout weight (while resizing to fill parent, widget will be resized proportionally to this value)
layoutWeight int layoutWeight [@property setter]: sets layout weight (while resizing to fill parent, widget will be resized proportionally to this value)
layoutWidth int layoutWidth [@property getter]: returns layout width options (WRAP_CONTENT, FILL_PARENT, some constant value or percent but only for one widget in layout)
layoutWidth int layoutWidth [@property setter]: sets layout width options (WRAP_CONTENT, FILL_PARENT, or some constant value)
left int left [@property getter]: returns widget rectangle left position
margins Rect margins [@property getter]: get margins (between widget bounds and its background)
margins Rect margins [@property setter]: set margins for widget - override one from style
margins int margins [@property setter]: set margins for widget with the same value for left, top, right, bottom - override one from style
maxHeight int maxHeight [@property getter]: returns max height constraint (SIZE_UNSPECIFIED if no constraint set)
maxHeight int maxHeight [@property setter]: set max height constraint (SIZE_UNSPECIFIED for no constraint)
maxWidth int maxWidth [@property getter]: returns max width constraint (SIZE_UNSPECIFIED if no constraint set)
maxWidth int maxWidth [@property setter]: set max width constraint (SIZE_UNSPECIFIED for no constraint)
measuredHeight measuredHeight [@property getter]: returns measured height (calculated during measure() call)
measuredWidth measuredWidth [@property getter]: returns measured width (calculated during measure() call)
minHeight int minHeight [@property setter]: set max height constraint (0 for no constraint)
minHeight int minHeight [@property getter]: returns min height constraint
minWidth int minWidth [@property getter]: returns min width constraint
minWidth int minWidth [@property setter]: set max width constraint (0 for no constraint)
needDraw bool needDraw [@property getter]: returns true if redraw is required for widget and its children
needLayout bool needLayout [@property getter]: returns true if layout is required for widget and its children
ownStyle Style ownStyle [@property getter]: enforces widget's own style - allows override some of style properties
padding int padding [@property setter]: set padding for widget to the same value for left, top, right, bottom - override one from style
padding Rect padding [@property setter]: set padding for widget - override one from style
padding Rect padding [@property getter]: get padding (between background bounds and content of widget)
parent Widget parent [@property getter]: returns parent widget, null for top level widget
parent Widget parent [@property setter]: sets parent for widget
pos Rect pos [@property getter]: returns widget rectangle
resetState uint resetState [@property setter]: remove state flags (set of flags from State enum)
setState uint setState [@property setter]: add state flags (set of flags from State enum)
state uint state [@property setter]: set new widget state (set of flags from State enum)
state uint state [@property getter]: widget state (set of flags from State enum)
stateStyle const(Style) stateStyle [@property getter]: returns style for current widget state
style uint style [@property setter]: accessor to style - by lookup in theme by styleId (if style id is not set, theme base style will be used).
style const(Style) style [@property getter]: accessor to style - by lookup in theme by styleId (if style id is not set, theme base style will be used).
styleId string styleId [@property setter]: set widget style id
styleId string styleId [@property getter]: returns widget style id, null if not set
tabOrder ushort tabOrder [@property getter]: tab order - hint for focus movement using Tab/Shift+Tab
tabOrder ushort tabOrder [@property setter]: Undocumented in source. Be warned that the author may not have intended to support it.
text dstring text [@property setter]: sets widget content text (override to support this)
text dstring text [@property getter]: returns widget content text (override to support this)
text UIString text [@property setter]: sets widget content text (override to support this)
textColor string textColor [@property setter]: set text color for widget - from string like "#5599CC" or "white"
textColor uint textColor [@property setter]: set text color (ARGB 32 bit value)
textColor uint textColor [@property getter]: get text color (ARGB 32 bit value)
textFlags uint textFlags [@property setter]: set text flags (bit set of TextFlag enum values)
textFlags uint textFlags [@property getter]: get text flags (bit set of TextFlag enum values)
tooltipText dstring tooltipText [@property setter]: tooltip text - when not empty, widget will show tooltips automatically; for advanced tooltips - override hasTooltip and createTooltip
tooltipText dstring tooltipText [@property getter]: tooltip text - when not empty, widget will show tooltips automatically; for advanced tooltips - override hasTooltip and createTooltip
tooltipText UIString tooltipText [@property setter]: tooltip text - when not empty, widget will show tooltips automatically; for advanced tooltips - override hasTooltip and createTooltip
top int top [@property getter]: returns widget rectangle top position
trackHover bool trackHover [@property setter]: set new trackHover flag value (when true, widget will change Hover state while mouse is moving)
trackHover bool trackHover [@property getter]: mouse movement processing flag (when true, widget will change Hover state while mouse is moving)
valign Align valign [@property getter]: returns horizontal alignment
visibility Visibility visibility [@property setter]: sets widget visibility (Visible, Invisible, Gone)
visibility Visibility visibility [@property getter]: returns widget visibility (Visible, Invisible, Gone)
visible bool visible [@property getter]: returns true if this widget and all its parents are visible
wantsKeyTracking bool wantsKeyTracking [@property getter]: override and return true to track key events even when not focused
width int width [@property getter]: returns current width of widget in pixels
window Window window [@property getter]: returns window (if widget or its parent is attached to window)
window Window window [@property setter]: sets window (to be used for top level widget from Window implementation). TODO: hide it from API?

Static functions

applyAlign void applyAlign(Rect rc, Point sz, Align ha, Align va): Applies alignment for content of size sz - set rectangle rc to aligned value of content inside of initial value of rc.

Static variables

FOCUS_RECT_PADDING int FOCUS_RECT_PADDING;: Undocumented in source.

Variables

_acceleratorMap ActionMap _acceleratorMap;: Undocumented in source.
_action Action _action;: Undocumented in source.
_backgroundDrawable DrawableRef _backgroundDrawable;: Undocumented in source.
_checkable bool _checkable;: Undocumented in source.
_checked bool _checked;: Undocumented in source.
_clickable bool _clickable;: Undocumented in source.
_focusGroup bool _focusGroup;: Undocumented in source.
_focusable bool _focusable;: Undocumented in source.
_id string _id;: widget id
_measuredHeight int _measuredHeight;: height measured by measure()
_measuredWidth int _measuredWidth;: width measured by measure()
_needDraw bool _needDraw;: true to force redraw
_needLayout bool _needLayout;: true to force layout
_ownStyle Style _ownStyle;: own copy of style - to override some of style properties, null of no properties overriden
_parent Widget _parent;: parent widget
_pos Rect _pos;: current widget position, set by layout()
_state uint _state;: widget state (set of flags from State enum)
_styleId string _styleId;: style id to lookup style in theme
_tabOrder ushort _tabOrder;: Undocumented in source.
_tooltipText UIString _tooltipText;: Undocumented in source.
_trackHover bool _trackHover;: does widget need to track mouse Hover
_visibility Visibility _visibility;: widget visibility: either Visible, Invisible, Gone
_window Window _window;: window (to be used for top level widgets only!)
checkChange Signal!OnCheckHandler checkChange;: checked state change event listener (bool delegate(Widget, bool))
click Signal!OnClickHandler click;: on click event listener (bool delegate(Widget))
focusChange Signal!OnFocusHandler focusChange;: focus state change event listener (bool delegate(Widget, bool))
keyEvent Signal!OnKeyHandler keyEvent;: key event listener (bool delegate(Widget, KeyEvent)) - return true if event is processed by handler
keyToAction Listener!OnKeyActionHandler keyToAction;: action by key lookup handler
mouseEvent Signal!OnMouseHandler mouseEvent;: mouse event listener (bool delegate(Widget, MouseEvent)) - return true if event is processed by handler
onAction Signal!OnActionHandler onAction;: action handlers

Widget

Constructors

Destructor

Members

Functions

Properties

Static functions

Static variables

Variables

Meta

Source