DialogWindow Class Reference

A dialog-box style window. More...

#include <juce_DialogWindow.h>

Inheritance diagram for DialogWindow:

Classes
struct	LaunchOptions
	This class defines a collection of settings to be used to open a DialogWindow. More...

Public Member Functions
	DialogWindow (const String &name, Colour backgroundColour, bool escapeKeyTriggersCloseButton, bool addToDesktop=true, float desktopScale=1.0f)
	Creates a DialogWindow.
	~DialogWindow () override
	Destructor.
virtual bool	escapeKeyPressed ()
	Called when the escape key is pressed.
std::unique_ptr< AccessibilityHandler >	createAccessibilityHandler () override
	Override this method to return a custom AccessibilityHandler for this component.
Public Member Functions inherited from DocumentWindow
	DocumentWindow (const String &name, Colour backgroundColour, int requiredButtons, bool addToDesktop=true)
	Creates a DocumentWindow.
	~DocumentWindow () override
	Destructor.
void	setName (const String &newName) override
	Changes the component's name.
void	setIcon (const Image &imageToUse)
	Sets an icon to show in the title bar, next to the title.
void	setTitleBarHeight (int newHeight)
	Changes the height of the title-bar.
int	getTitleBarHeight () const
	Returns the current title bar height.
void	setTitleBarButtonsRequired (int requiredButtons, bool positionTitleBarButtonsOnLeft)
	Changes the set of title-bar buttons being shown.
void	setTitleBarTextCentred (bool textShouldBeCentred)
	Sets whether the title should be centred within the window.
void	setMenuBar (MenuBarModel *menuBarModel, int menuBarHeight=0)
	Creates a menu inside this window.
Component *	getMenuBarComponent () const noexcept
	Returns the current menu bar component, or null if there isn't one.
void	setMenuBarComponent (Component *newMenuBarComponent)
	Replaces the current menu bar with a custom component.
virtual void	closeButtonPressed ()
	This method is called when the user tries to close the window.
virtual void	minimiseButtonPressed ()
	Callback that is triggered when the minimise button is pressed.
virtual void	maximiseButtonPressed ()
	Callback that is triggered when the maximise button is pressed, or when the title-bar is double-clicked.
Button *	getCloseButton () const noexcept
	Returns the close button, (or nullptr if there isn't one).
Button *	getMinimiseButton () const noexcept
	Returns the minimise button, (or nullptr if there isn't one).
Button *	getMaximiseButton () const noexcept
	Returns the maximise button, (or nullptr if there isn't one).
Public Member Functions inherited from ResizableWindow
	ResizableWindow (const String &name, bool addToDesktop)
	Creates a ResizableWindow.
	ResizableWindow (const String &name, Colour backgroundColour, bool addToDesktop)
	Creates a ResizableWindow.
	~ResizableWindow () override
	Destructor.
Colour	getBackgroundColour () const noexcept
	Returns the colour currently being used for the window's background.
void	setBackgroundColour (Colour newColour)
	Changes the colour currently being used for the window's background.
void	setResizable (bool shouldBeResizable, bool useBottomRightCornerResizer)
	Make the window resizable or fixed.
bool	isResizable () const noexcept
	Returns true if resizing is enabled.
void	setResizeLimits (int newMinimumWidth, int newMinimumHeight, int newMaximumWidth, int newMaximumHeight) noexcept
	This sets the maximum and minimum sizes for the window.
void	setDraggable (bool shouldBeDraggable) noexcept
	Can be used to enable or disable user-dragging of the window.
bool	isDraggable () const noexcept
	Returns true if the window can be dragged around by the user.
ComponentBoundsConstrainer *	getConstrainer () noexcept
	Returns the bounds constrainer object that this window is using.
void	setConstrainer (ComponentBoundsConstrainer *newConstrainer)
	Sets the bounds-constrainer object to use for resizing and dragging this window.
void	setBoundsConstrained (const Rectangle< int > &newBounds)
	Calls the window's setBounds method, after first checking these bounds with the current constrainer.
bool	isFullScreen () const
	Returns true if the window is currently in full-screen mode.
void	setFullScreen (bool shouldBeFullScreen)
	Puts the window into full-screen mode, or restores it to its normal size.
bool	isMinimised () const
	Returns true if the window is currently minimised.
void	setMinimised (bool shouldMinimise)
	Minimises the window, or restores it to its previous position and size.
bool	isKioskMode () const
	Returns true if the window has been placed in kiosk-mode.
String	getWindowStateAsString ()
	Returns a string which encodes the window's current size and position.
bool	restoreWindowStateFromString (const String &previousState)
	Restores the window to a previously-saved size and position.
Component *	getContentComponent () const noexcept
	Returns the current content component.
void	setContentOwned (Component *newContentComponent, bool resizeToFitWhenContentChangesSize)
	Changes the current content component.
void	setContentNonOwned (Component *newContentComponent, bool resizeToFitWhenContentChangesSize)
	Changes the current content component.
void	clearContentComponent ()
	Removes the current content component.
void	setContentComponentSize (int width, int height)
	Changes the window so that the content component ends up with the specified size.
virtual BorderSize< int >	getBorderThickness ()
	Returns the width of the frame to use around the window.
virtual BorderSize< int >	getContentComponentBorder ()
	Returns the insets to use when positioning the content component.
void	addToDesktop ()
	Adds the window to the desktop using the default flags.
void	addToDesktop (int windowStyleFlags, void *nativeWindowToAttachTo=nullptr) override
	Makes this component appear as a window on the desktop.
Public Member Functions inherited from TopLevelWindow
	TopLevelWindow (const String &name, bool addToDesktop)
	Creates a TopLevelWindow.
	~TopLevelWindow () override
	Destructor.
bool	isActiveWindow () const noexcept
	True if this is currently the TopLevelWindow that is actively being used.
void	centreAroundComponent (Component *componentToCentreAround, int width, int height)
	This will set the bounds of the window so that it's centred in front of another window.
void	setDropShadowEnabled (bool useShadow)
	Turns the drop-shadow on and off.
bool	isDropShadowEnabled () const noexcept
	True if drop-shadowing is enabled.
void	setUsingNativeTitleBar (bool useNativeTitleBar)
	Sets whether an OS-native title bar will be used, or a JUCE one.
bool	isUsingNativeTitleBar () const noexcept
	Returns true if the window is currently using an OS-native title bar.
void	addToDesktop ()
	Adds the window to the desktop using the default flags.
void	addToDesktop (int windowStyleFlags, void *nativeWindowToAttachTo=nullptr) override
	Makes this component appear as a window on the desktop.
std::unique_ptr< AccessibilityHandler >	createAccessibilityHandler () override
	Override this method to return a custom AccessibilityHandler for this component.
Public Member Functions inherited from Component
	Component () noexcept
	Creates a component.
	~Component () override
	Destructor.
	Component (const String &componentName) noexcept
	Creates a component, setting its name at the same time.
String	getName () const noexcept
	Returns the name of this component.
String	getComponentID () const noexcept
	Returns the ID string that was set by setComponentID().
void	setComponentID (const String &newID)
	Sets the component's ID string.
virtual void	setVisible (bool shouldBeVisible)
	Makes the component visible or invisible.
bool	isVisible () const noexcept
	Tests whether the component is visible or not.
bool	isShowing () const
	Tests whether this component and all its parents are visible.
void	removeFromDesktop ()
	If the component is currently showing on the desktop, this will hide it.
bool	isOnDesktop () const noexcept
	Returns true if this component is currently showing on the desktop.
ComponentPeer *	getPeer () const
	Returns the heavyweight window that contains this component.
virtual void	userTriedToCloseWindow ()
	For components on the desktop, this is called if the system wants to close the window.
virtual void	minimisationStateChanged (bool isNowMinimised)
	Called for a desktop component which has just been minimised or un-minimised.
void	toFront (bool shouldAlsoGainKeyboardFocus)
	Brings the component to the front of its siblings.
void	toBack ()
	Changes this component's z-order to be at the back of all its siblings.
void	toBehind (Component *other)
	Changes this component's z-order so that it's just behind another component.
void	setAlwaysOnTop (bool shouldStayOnTop)
	Sets whether the component should always be kept at the front of its siblings.
bool	isAlwaysOnTop () const noexcept
	Returns true if this component is set to always stay in front of its siblings.
int	getX () const noexcept
	Returns the x coordinate of the component's left edge.
int	getY () const noexcept
	Returns the y coordinate of the top of this component.
int	getWidth () const noexcept
	Returns the component's width in pixels.
int	getHeight () const noexcept
	Returns the component's height in pixels.
int	getRight () const noexcept
	Returns the x coordinate of the component's right-hand edge.
Point< int >	getPosition () const noexcept
	Returns the component's top-left position as a Point.
int	getBottom () const noexcept
	Returns the y coordinate of the bottom edge of this component.
Rectangle< int >	getBounds () const noexcept
	Returns this component's bounding box.
Rectangle< int >	getLocalBounds () const noexcept
	Returns the component's bounds, relative to its own origin.
Rectangle< int >	getBoundsInParent () const noexcept
	Returns the area of this component's parent which this component covers.
int	getScreenX () const
	Returns this component's x coordinate relative the screen's top-left origin.
int	getScreenY () const
	Returns this component's y coordinate relative the screen's top-left origin.
Point< int >	getScreenPosition () const
	Returns the position of this component's top-left corner relative to the screen's top-left.
Rectangle< int >	getScreenBounds () const
	Returns the bounds of this component, relative to the screen's top-left.
Point< int >	getLocalPoint (const Component *sourceComponent, Point< int > pointRelativeToSourceComponent) const
	Converts a point to be relative to this component's coordinate space.
Point< float >	getLocalPoint (const Component *sourceComponent, Point< float > pointRelativeToSourceComponent) const
	Converts a point to be relative to this component's coordinate space.
Rectangle< int >	getLocalArea (const Component *sourceComponent, Rectangle< int > areaRelativeToSourceComponent) const
	Converts a rectangle to be relative to this component's coordinate space.
Rectangle< float >	getLocalArea (const Component *sourceComponent, Rectangle< float > areaRelativeToSourceComponent) const
	Converts a rectangle to be relative to this component's coordinate space.
Point< int >	localPointToGlobal (Point< int > localPoint) const
	Converts a point relative to this component's top-left into a screen coordinate.
Point< float >	localPointToGlobal (Point< float > localPoint) const
	Converts a point relative to this component's top-left into a screen coordinate.
Rectangle< int >	localAreaToGlobal (Rectangle< int > localArea) const
	Converts a rectangle from this component's coordinate space to a screen coordinate.
Rectangle< float >	localAreaToGlobal (Rectangle< float > localArea) const
	Converts a rectangle from this component's coordinate space to a screen coordinate.
void	setTopLeftPosition (int x, int y)
	Moves the component to a new position.
void	setTopLeftPosition (Point< int > newTopLeftPosition)
	Moves the component to a new position.
void	setTopRightPosition (int x, int y)
	Moves the component to a new position.
void	setSize (int newWidth, int newHeight)
	Changes the size of the component.
void	setBounds (int x, int y, int width, int height)
	Changes the component's position and size.
void	setBounds (Rectangle< int > newBounds)
	Changes the component's position and size.
void	setBoundsRelative (float proportionalX, float proportionalY, float proportionalWidth, float proportionalHeight)
	Changes the component's position and size in terms of fractions of its parent's size.
void	setBoundsRelative (Rectangle< float > proportionalArea)
	Changes the component's position and size in terms of fractions of its parent's size.
void	setBoundsInset (BorderSize< int > borders)
	Changes the component's position and size based on the amount of space to leave around it.
void	setBoundsToFit (Rectangle< int > targetArea, Justification justification, bool onlyReduceInSize)
	Positions the component within a given rectangle, keeping its proportions unchanged.
void	setCentrePosition (int x, int y)
	Changes the position of the component's centre.
void	setCentrePosition (Point< int > newCentrePosition)
	Changes the position of the component's centre.
void	setCentreRelative (float x, float y)
	Changes the position of the component's centre.
void	centreWithSize (int width, int height)
	Changes the component's size and centres it within its parent.
void	setTransform (const AffineTransform &transform)
	Sets a transform matrix to be applied to this component.
AffineTransform	getTransform () const
	Returns the transform that is currently being applied to this component.
bool	isTransformed () const noexcept
	Returns true if a non-identity transform is being applied to this component.
int	proportionOfWidth (float proportion) const noexcept
	Returns a proportion of the component's width.
int	proportionOfHeight (float proportion) const noexcept
	Returns a proportion of the component's height.
int	getParentWidth () const noexcept
	Returns the width of the component's parent.
int	getParentHeight () const noexcept
	Returns the height of the component's parent.
Rectangle< int >	getParentMonitorArea () const
	Returns the screen coordinates of the monitor that contains this component.
int	getNumChildComponents () const noexcept
	Returns the number of child components that this component contains.
Component *	getChildComponent (int index) const noexcept
	Returns one of this component's child components, by it index.
int	getIndexOfChildComponent (const Component *child) const noexcept
	Returns the index of this component in the list of child components.
const Array< Component * > &	getChildren () const noexcept
	Provides access to the underlying array of child components.
Component *	findChildWithID (StringRef componentID) const noexcept
	Looks for a child component with the specified ID.
void	addChildComponent (Component *child, int zOrder=-1)
	Adds a child component to this one.
void	addChildComponent (Component &child, int zOrder=-1)
	Adds a child component to this one.
void	addAndMakeVisible (Component *child, int zOrder=-1)
	Adds a child component to this one, and also makes the child visible if it isn't already.
void	addAndMakeVisible (Component &child, int zOrder=-1)
	Adds a child component to this one, and also makes the child visible if it isn't already.
void	addChildAndSetID (Component *child, const String &componentID)
	Adds a child component to this one, makes it visible, and sets its component ID.
void	removeChildComponent (Component *childToRemove)
	Removes one of this component's child-components.
Component *	removeChildComponent (int childIndexToRemove)
	Removes one of this component's child-components by index.
void	removeAllChildren ()
	Removes all this component's children.
void	deleteAllChildren ()
	Removes and deletes all of this component's children.
Component *	getParentComponent () const noexcept
	Returns the component which this component is inside.
template<class TargetClass >
TargetClass *	findParentComponentOfClass () const
	Searches the parent components for a component of a specified class.
Component *	getTopLevelComponent () const noexcept
	Returns the highest-level component which contains this one or its parents.
bool	isParentOf (const Component *possibleChild) const noexcept
	Checks whether a component is anywhere inside this component or its children.
virtual void	childrenChanged ()
	Subclasses can use this callback to be told when children are added or removed, or when their z-order changes.
virtual bool	hitTest (int x, int y)
	Tests whether a given point is inside the component.
void	setInterceptsMouseClicks (bool allowClicksOnThisComponent, bool allowClicksOnChildComponents) noexcept
	Changes the default return value for the hitTest() method.
void	getInterceptsMouseClicks (bool &allowsClicksOnThisComponent, bool &allowsClicksOnChildComponents) const noexcept
	Retrieves the current state of the mouse-click interception flags.
bool	contains (Point< int > localPoint)
	Returns true if a given point lies within this component or one of its children.
bool	contains (Point< float > localPoint)
	Returns true if a given point lies within this component or one of its children.
bool	reallyContains (Point< int > localPoint, bool returnTrueIfWithinAChild)
	Returns true if a given point lies in this component, taking any overlapping siblings into account.
bool	reallyContains (Point< float > localPoint, bool returnTrueIfWithinAChild)
	Returns true if a given point lies in this component, taking any overlapping siblings into account.
Component *	getComponentAt (int x, int y)
	Returns the component at a certain point within this one.
Component *	getComponentAt (Point< int > position)
	Returns the component at a certain point within this one.
Component *	getComponentAt (Point< float > position)
	Returns the component at a certain point within this one.
void	repaint ()
	Marks the whole component as needing to be redrawn.
void	repaint (int x, int y, int width, int height)
	Marks a subsection of this component as needing to be redrawn.
void	repaint (Rectangle< int > area)
	Marks a subsection of this component as needing to be redrawn.
void	setBufferedToImage (bool shouldBeBuffered)
	Makes the component use an internal buffer to optimise its redrawing.
Image	createComponentSnapshot (Rectangle< int > areaToGrab, bool clipImageToComponentBounds=true, float scaleFactor=1.0f)
	Generates a snapshot of part of this component.
void	paintEntireComponent (Graphics &context, bool ignoreAlphaLevel)
	Draws this component and all its subcomponents onto the specified graphics context.
void	setPaintingIsUnclipped (bool shouldPaintWithoutClipping) noexcept
	This allows you to indicate that this component doesn't require its graphics context to be clipped when it is being painted.
bool	isPaintingUnclipped () const noexcept
	Returns true if this component doesn't require its graphics context to be clipped when it is being painted.
void	setComponentEffect (ImageEffectFilter *newEffect)
	Adds an effect filter to alter the component's appearance.
ImageEffectFilter *	getComponentEffect () const noexcept
	Returns the current component effect.
LookAndFeel &	getLookAndFeel () const noexcept
	Finds the appropriate look-and-feel to use for this component.
void	setLookAndFeel (LookAndFeel *newLookAndFeel)
	Sets the look and feel to use for this component.
void	sendLookAndFeelChange ()
	Calls the methods repaint(), lookAndFeelChanged(), and colourChanged() in this component and all its children recursively.
void	setOpaque (bool shouldBeOpaque)
	Indicates whether any parts of the component might be transparent.
bool	isOpaque () const noexcept
	Returns true if no parts of this component are transparent.
void	setBroughtToFrontOnMouseClick (bool shouldBeBroughtToFront) noexcept
	Indicates whether the component should be brought to the front when clicked.
bool	isBroughtToFrontOnMouseClick () const noexcept
	Indicates whether the component should be brought to the front when clicked-on.
void	setExplicitFocusOrder (int newFocusOrderIndex)
	Sets the focus order of this component.
int	getExplicitFocusOrder () const
	Returns the focus order of this component, if one has been specified.
void	setFocusContainerType (FocusContainerType containerType) noexcept
	Sets whether this component is a container for components that can have their focus traversed, and the type of focus traversal that it supports.
bool	isFocusContainer () const noexcept
	Returns true if this component has been marked as a focus container.
bool	isKeyboardFocusContainer () const noexcept
	Returns true if this component has been marked as a keyboard focus container.
Component *	findFocusContainer () const
	Returns the focus container for this component.
Component *	findKeyboardFocusContainer () const
	Returns the keyboard focus container for this component.
void	setWantsKeyboardFocus (bool wantsFocus) noexcept
	Sets a flag to indicate whether this component wants keyboard focus or not.
bool	getWantsKeyboardFocus () const noexcept
	Returns true if the component is interested in getting keyboard focus.
void	setMouseClickGrabsKeyboardFocus (bool shouldGrabFocus)
	Chooses whether a click on this component automatically grabs the focus.
bool	getMouseClickGrabsKeyboardFocus () const noexcept
	Returns the last value set with setMouseClickGrabsKeyboardFocus().
void	grabKeyboardFocus ()
	Tries to give keyboard focus to this component.
void	giveAwayKeyboardFocus ()
	If this component or any of its children currently have the keyboard focus, this will defocus it, send a focus change notification, and try to pass the focus to the next component.
bool	hasKeyboardFocus (bool trueIfChildIsFocused) const
	Returns true if this component currently has the keyboard focus.
void	moveKeyboardFocusToSibling (bool moveToNext)
	Tries to move the keyboard focus to one of this component's siblings.
virtual std::unique_ptr< ComponentTraverser >	createFocusTraverser ()
	Creates a ComponentTraverser object to determine the logic by which focus should be passed from this component.
virtual std::unique_ptr< ComponentTraverser >	createKeyboardFocusTraverser ()
	Creates a ComponentTraverser object to use to determine the logic by which keyboard focus should be passed from this component.
void	setHasFocusOutline (bool hasFocusOutline) noexcept
	Use this to indicate that the component should have an outline drawn around it when it has keyboard focus.
bool	hasFocusOutline () const noexcept
	Returns true if this component should have a focus outline.
bool	isEnabled () const noexcept
	Returns true if the component (and all its parents) are enabled.
void	setEnabled (bool shouldBeEnabled)
	Enables or disables this component.
virtual void	enablementChanged ()
	Callback to indicate that this component has been enabled or disabled.
float	getAlpha () const noexcept
	Returns the component's current transparency level.
void	setAlpha (float newAlpha)
	Changes the transparency of this component.
virtual void	alphaChanged ()
	Called when setAlpha() is used to change the alpha value of this component.
void	setMouseCursor (const MouseCursor &cursorType)
	Changes the mouse cursor shape to use when the mouse is over this component.
virtual MouseCursor	getMouseCursor ()
	Returns the mouse cursor shape to use when the mouse is over this component.
void	updateMouseCursor () const
	Forces the current mouse cursor to be updated.
virtual void	paintOverChildren (Graphics &g)
	Components can override this method to draw over the top of their children.
void	mouseMove (const MouseEvent &event) override
	Called when the mouse moves inside a component.
void	mouseEnter (const MouseEvent &event) override
	Called when the mouse first enters a component.
void	mouseExit (const MouseEvent &event) override
	Called when the mouse moves out of a component.
void	mouseDoubleClick (const MouseEvent &event) override
	Called when a mouse button has been double-clicked on a component.
void	mouseWheelMove (const MouseEvent &event, const MouseWheelDetails &wheel) override
	Called when the mouse-wheel is moved.
void	mouseMagnify (const MouseEvent &event, float scaleFactor) override
	Called when a pinch-to-zoom mouse-gesture is used.
void	setRepaintsOnMouseActivity (bool shouldRepaint) noexcept
	Causes automatic repaints when the mouse enters or exits this component.
void	addMouseListener (MouseListener *newListener, bool wantsEventsForAllNestedChildComponents)
	Registers a listener to be told when mouse events occur in this component.
void	removeMouseListener (MouseListener *listenerToRemove)
	Deregisters a mouse listener.
void	addKeyListener (KeyListener *newListener)
	Adds a listener that wants to hear about keypresses that this component receives.
void	removeKeyListener (KeyListener *listenerToRemove)
	Removes a previously-registered key listener.
virtual bool	keyStateChanged (bool isKeyDown)
	Called when a key is pressed or released.
virtual void	modifierKeysChanged (const ModifierKeys &modifiers)
	Called when a modifier key is pressed or released.
virtual void	focusGained (FocusChangeType cause)
	Called to indicate that this component has just acquired the keyboard focus.
virtual void	focusGainedWithDirection (FocusChangeType cause, FocusChangeDirection direction)
	Called to indicate that this component has just acquired the keyboard focus.
virtual void	focusLost (FocusChangeType cause)
	Called to indicate that this component has just lost the keyboard focus.
bool	isMouseOver (bool includeChildren=false) const
	Returns true if the mouse is currently over this component.
bool	isMouseButtonDown (bool includeChildren=false) const
	Returns true if the mouse button is currently held down in this component.
bool	isMouseOverOrDragging (bool includeChildren=false) const
	True if the mouse is over this component, or if it's being dragged in this component.
Point< int >	getMouseXYRelative () const
	Returns the mouse's current position, relative to this component.
virtual void	broughtToFront ()
	Called when this component has been moved to the front of its siblings.
void	addComponentListener (ComponentListener *newListener)
	Adds a listener to be told about changes to the component hierarchy or position.
void	removeComponentListener (ComponentListener *listenerToRemove)
	Removes a component listener.
void	postCommandMessage (int commandId)
	Dispatches a numbered message to this component.
virtual void	handleCommandMessage (int commandId)
	Called to handle a command that was sent by postCommandMessage().
int	runModalLoop ()
	Runs a component modally, waiting until the loop terminates.
void	enterModalState (bool takeKeyboardFocus=true, ModalComponentManager::Callback *callback=nullptr, bool deleteWhenDismissed=false)
	Puts the component into a modal state.
void	exitModalState (int returnValue=0)
	Ends a component's modal state.
bool	isCurrentlyModal (bool onlyConsiderForemostModalComponent=true) const noexcept
	Returns true if this component is the modal one.
bool	isCurrentlyBlockedByAnotherModalComponent () const
	Checks whether there's a modal component somewhere that's stopping this one from receiving messages.
virtual bool	canModalEventBeSentToComponent (const Component *targetComponent)
	When a component is modal, this callback allows it to choose which other components can still receive events.
virtual void	inputAttemptWhenModal ()
	Called when the user tries to click on a component that is blocked by another modal component.
NamedValueSet &	getProperties () noexcept
	Returns the set of properties that belong to this component.
const NamedValueSet &	getProperties () const noexcept
	Returns the set of properties that belong to this component.
Colour	findColour (int colourID, bool inheritFromParent=false) const
	Looks for a colour that has been registered with the given colour ID number.
void	setColour (int colourID, Colour newColour)
	Registers a colour to be used for a particular purpose.
void	removeColour (int colourID)
	If a colour has been set with setColour(), this will remove it.
bool	isColourSpecified (int colourID) const
	Returns true if the specified colour ID has been explicitly set for this component using the setColour() method.
void	copyAllExplicitColoursTo (Component &target) const
	This looks for any colours that have been specified for this component, and copies them to the specified target component.
virtual void	colourChanged ()
	This method is called when a colour is changed by the setColour() method, or when the look-and-feel is changed by the setLookAndFeel() or sendLookAndFeelChanged() methods.
void *	getWindowHandle () const
	Returns the underlying native window handle for this component.
Positioner *	getPositioner () const noexcept
	Returns the Positioner object that has been set for this component.
void	setPositioner (Positioner *newPositioner)
	Sets a new Positioner object for this component.
void	setCachedComponentImage (CachedComponentImage *newCachedImage)
	Gives the component a CachedComponentImage that should be used to buffer its painting.
CachedComponentImage *	getCachedComponentImage () const noexcept
	Returns the object that was set by setCachedComponentImage().
void	setViewportIgnoreDragFlag (bool ignoreDrag) noexcept
	Sets a flag to indicate whether mouse drag events on this Component should be ignored when it is inside a Viewport with drag-to-scroll functionality enabled.
bool	getViewportIgnoreDragFlag () const noexcept
	Retrieves the current state of the Viewport drag-to-scroll functionality flag.
String	getTitle () const noexcept
	Returns the title text for this component.
void	setTitle (const String &newTitle)
	Sets the title for this component.
String	getDescription () const noexcept
	Returns the description for this component.
void	setDescription (const String &newDescription)
	Sets the description for this component.
String	getHelpText () const noexcept
	Returns the help text for this component.
void	setHelpText (const String &newHelpText)
	Sets the help text for this component.
void	setAccessible (bool shouldBeAccessible)
	Sets whether this component and its children are visible to accessibility clients.
bool	isAccessible () const noexcept
	Returns true if this component and its children are visible to accessibility clients.
AccessibilityHandler *	getAccessibilityHandler ()
	Returns the accessibility handler for this component, or nullptr if this component is not accessible.
void	invalidateAccessibilityHandler ()
	Invalidates the AccessibilityHandler that is currently being used for this component.
Public Member Functions inherited from MouseListener
virtual	~MouseListener ()=default
	Destructor.

Static Public Member Functions
static void	showDialog (const String &dialogTitle, Component *contentComponent, Component *componentToCentreAround, Colour backgroundColour, bool escapeKeyTriggersCloseButton, bool shouldBeResizable=false, bool useBottomRightCornerResizer=false)
	Easy way of quickly showing a dialog box containing a given component.
static int	showModalDialog (const String &dialogTitle, Component *contentComponent, Component *componentToCentreAround, Colour backgroundColour, bool escapeKeyTriggersCloseButton, bool shouldBeResizable=false, bool useBottomRightCornerResizer=false)
	Easy way of quickly showing a dialog box containing a given component.
Static Public Member Functions inherited from TopLevelWindow
static int	getNumTopLevelWindows () noexcept
	Returns the number of TopLevelWindow objects currently in use.
static TopLevelWindow *	getTopLevelWindow (int index) noexcept
	Returns one of the TopLevelWindow objects currently in use.
static TopLevelWindow *	getActiveTopLevelWindow () noexcept
	Returns the currently-active top level window.
Static Public Member Functions inherited from Component
static float JUCE_CALLTYPE	getApproximateScaleFactorForComponent (const Component *targetComponent)
	Returns the approximate scale factor for a given component by traversing its parent hierarchy and applying each transform and finally scaling this by the global scale factor.
static Component *JUCE_CALLTYPE	getCurrentlyFocusedComponent () noexcept
	Returns the component that currently has the keyboard focus.
static void JUCE_CALLTYPE	unfocusAllComponents ()
	If any component has keyboard focus, this will defocus it.
static void JUCE_CALLTYPE	beginDragAutoRepeat (int millisecondsBetweenCallbacks)
	Ensures that a non-stop stream of mouse-drag events will be sent during the current mouse-drag operation.
static bool JUCE_CALLTYPE	isMouseButtonDownAnywhere () noexcept
	Returns true if a mouse button is currently down.
static int JUCE_CALLTYPE	getNumCurrentlyModalComponents () noexcept
	Returns the number of components that are currently in a modal state.
static Component *JUCE_CALLTYPE	getCurrentlyModalComponent (int index=0) noexcept
	Returns one of the components that are currently modal.

Protected Member Functions
void	resized () override
	Called when this component's size has been changed.
bool	keyPressed (const KeyPress &) override
	Called when a key is pressed.
float	getDesktopScaleFactor () const override
	Returns the default scale factor to use for this component when it is placed on the desktop.
Protected Member Functions inherited from ResizableWindow
void	paint (Graphics &) override
	Components can override this method to draw their content.
void	moved () override
	(if overriding this, make sure you call ResizableWindow::moved() in your subclass)
void	resized () override
	(if overriding this, make sure you call ResizableWindow::resized() in your subclass)
void	mouseDown (const MouseEvent &) override
	Called when a mouse button is pressed.
void	mouseDrag (const MouseEvent &) override
	Called when the mouse is moved while a button is held down.
void	mouseUp (const MouseEvent &) override
	Called when a mouse button is released.
void	lookAndFeelChanged () override
	Called to let the component react to a change in the look-and-feel setting.
void	childBoundsChanged (Component *) override
	Called when one of this component's children is moved or resized.
void	parentSizeChanged () override
	Called when this component's immediate parent has been resized.
void	visibilityChanged () override
	Called when this component's visibility changes.
void	activeWindowStatusChanged () override
	This callback happens when this window becomes active or inactive.
int	getDesktopWindowStyleFlags () const override
void	getBorderThickness (int &left, int &top, int &right, int &bottom)
void	getContentComponentBorder (int &left, int &top, int &right, int &bottom)
Protected Member Functions inherited from TopLevelWindow
void	focusOfChildComponentChanged (FocusChangeType) override
	Called to indicate a change in whether or not this component is the parent of the currently-focused component.
void	parentHierarchyChanged () override
	Called to indicate that the component's parents have changed.
void	recreateDesktopWindow ()
void	visibilityChanged () override
	Called when this component's visibility changes.

Additional Inherited Members
Public Types inherited from DocumentWindow
enum	TitleBarButtons { minimiseButton = 1 , maximiseButton = 2 , closeButton = 4 , allButtons = 7 }
	The set of available button-types that can be put on the title bar. More...
enum	ColourIds { textColourId = 0x1005701 }
	A set of colour IDs to use to change the colour of various aspects of the window. More...
Public Types inherited from ResizableWindow
enum	ColourIds { backgroundColourId = 0x1005700 }
	A set of colour IDs to use to change the colour of various aspects of the window. More...
Public Types inherited from Component
enum class	FocusContainerType { none , focusContainer , keyboardFocusContainer }
	A focus container type that can be passed to setFocusContainerType(). More...
enum	FocusChangeType { focusChangedByMouseClick , focusChangedByTabKey , focusChangedDirectly }
	Enumeration used by the focusGained() and focusLost() methods. More...
enum class	FocusChangeDirection { unknown , forward , backward }
	Enumeration used by the focusGainedWithDirection() method. More...
Protected Attributes inherited from ResizableWindow
std::unique_ptr< ResizableCornerComponent >	resizableCorner
std::unique_ptr< ResizableBorderComponent >	resizableBorder

Detailed Description

A dialog-box style window.

This class is a convenient way of creating a DocumentWindow with a close button that can be triggered by pressing the escape key.

Any of the methods available to a DocumentWindow or ResizableWindow are also available to this, so it can be made resizable, have a menu bar, etc.

You can either override or use an instance of the DialogWindow class directly, or you can use a DialogWindow::LaunchOptions structure to quickly set up and launch a box containing a content component.

If you use the class directly, you'll need to override the DocumentWindow::closeButtonPressed() method to handle the user clicking the close button - for more info, see the DocumentWindow help.

See also

DocumentWindow, ResizableWindow

Constructor & Destructor Documentation

DialogWindow()

DialogWindow::DialogWindow	(	const String &	name,
		Colour	backgroundColour,
		bool	escapeKeyTriggersCloseButton,
		bool	addToDesktop = true,
		float	desktopScale = 1.0f )

Creates a DialogWindow.

Parameters

name	the name to give the component - this is also the title shown at the top of the window. To change this later, use setName()
backgroundColour	the colour to use for filling the window's background.
escapeKeyTriggersCloseButton	if true, then pressing the escape key will cause the close button to be triggered
addToDesktop	if true, the window will be automatically added to the desktop; if false, you can use it as a child component
desktopScale	specifies the scale to use when drawing the window. In a plugin, the host controls the scale used to render the plugin editor. You should query the editor scale with Component::getApproximateScaleFactorForComponent() and pass the result here. You can ignore this parameter in a standalone app

~DialogWindow()

DialogWindow::~DialogWindow ( )

override

Destructor.

If a content component has been set with setContentOwned(), it will be deleted.

Member Function Documentation

showDialog()

static void DialogWindow::showDialog ( const String & dialogTitle, Component * contentComponent, Component * componentToCentreAround, Colour backgroundColour, bool escapeKeyTriggersCloseButton, bool shouldBeResizable = false, bool useBottomRightCornerResizer = false )

static

Easy way of quickly showing a dialog box containing a given component.

Note: This method has been superseded by the DialogWindow::LaunchOptions structure, which does the same job with some extra flexibility. The showDialog method is here for backwards compatibility, but please use DialogWindow::LaunchOptions in new code.

This will open and display a DialogWindow containing a given component, making it modal, but returning immediately to allow the dialog to finish in its own time. If you want to block and run a modal loop until the dialog is dismissed, use showModalDialog() instead.

To close the dialog programmatically, you should call exitModalState (returnValue) on the DialogWindow that is created. To find a pointer to this window from your contentComponent, you can do something like this:

if (DialogWindow* dw = contentComponent->findParentComponentOfClass<DialogWindow>())
    dw->exitModalState (1234);

Parameters

dialogTitle	the dialog box's title
contentComponent	the content component for the dialog box. Make sure that this has been set to the size you want it to be before calling this method. The component won't be deleted by this call, so you can re-use it or delete it afterwards
componentToCentreAround	if this is not a nullptr, it indicates a component that you'd like to show this dialog box in front of. See the DocumentWindow::centreAroundComponent() method for more info on this parameter
backgroundColour	a colour to use for the dialog box's background colour
escapeKeyTriggersCloseButton	if true, then pressing the escape key will cause the close button to be triggered
shouldBeResizable	if true, the dialog window has either a resizable border, or a corner resizer
useBottomRightCornerResizer	if shouldBeResizable is true, this indicates whether to use a border or corner resizer component. See ResizableWindow::setResizable()

showModalDialog()

static int DialogWindow::showModalDialog ( const String & dialogTitle, Component * contentComponent, Component * componentToCentreAround, Colour backgroundColour, bool escapeKeyTriggersCloseButton, bool shouldBeResizable = false, bool useBottomRightCornerResizer = false )

static

Easy way of quickly showing a dialog box containing a given component.

Note: This method has been superseded by the DialogWindow::LaunchOptions structure, which does the same job with some extra flexibility. The showDialog method is here for backwards compatibility, but please use DialogWindow::LaunchOptions in new code.

This will open and display a DialogWindow containing a given component, returning when the user clicks its close button.

It returns the value that was returned by the dialog box's runModalLoop() call.

To close the dialog programmatically, you should call exitModalState (returnValue) on the DialogWindow that is created. To find a pointer to this window from your contentComponent, you can do something like this:

if (DialogWindow* dw = contentComponent->findParentComponentOfClass<DialogWindow>())
    dw->exitModalState (1234);

Parameters

dialogTitle	the dialog box's title
contentComponent	the content component for the dialog box. Make sure that this has been set to the size you want it to be before calling this method. The component won't be deleted by this call, so you can re-use it or delete it afterwards
componentToCentreAround	if this is not a nullptr, it indicates a component that you'd like to show this dialog box in front of. See the DocumentWindow::centreAroundComponent() method for more info on this parameter
backgroundColour	a colour to use for the dialog box's background colour
escapeKeyTriggersCloseButton	if true, then pressing the escape key will cause the close button to be triggered
shouldBeResizable	if true, the dialog window has either a resizable border, or a corner resizer
useBottomRightCornerResizer	if shouldBeResizable is true, this indicates whether to use a border or corner resizer component. See ResizableWindow::setResizable()

escapeKeyPressed()

virtual bool DialogWindow::escapeKeyPressed ( )

virtual

Called when the escape key is pressed.

This can be overridden to do things other than the default behaviour, which is to hide the window. Return true if the key has been used, or false if it was ignored.

createAccessibilityHandler()

std::unique_ptr< AccessibilityHandler > DialogWindow::createAccessibilityHandler ( )

overridevirtual

Override this method to return a custom AccessibilityHandler for this component.

The default implementation creates and returns a AccessibilityHandler object with an unspecified role, meaning that it will be visible to accessibility clients but without a specific role, action callbacks or interfaces. To control how accessibility clients see and interact with your component subclass AccessibilityHandler, implement the desired behaviours, and return an instance of it from this method in your component subclass.

The accessibility handler you return here is guaranteed to be destroyed before its Component, so it's safe to store and use a reference back to the Component inside the AccessibilityHandler if necessary.

This function should rarely be called directly. If you need to query a component's accessibility handler, it's normally better to call getAccessibilityHandler(). The exception to this rule is derived implementations of createAccessibilityHandler(), which may find it useful to call the base class implementation, and then wrap or modify the result.

See also

getAccessibilityHandler

Reimplemented from Component.

resized()

void DialogWindow::resized ( )

overrideprotectedvirtual

Called when this component's size has been changed.

A component can implement this method to do things such as laying out its child components when its width or height changes.

The method is called synchronously as a result of the setBounds or setSize methods, so repeatedly changing a components size will repeatedly call its resized method (unlike things like repainting, where multiple calls to repaint are coalesced together).

If the component is a top-level window on the desktop, its size could also be changed by operating-system factors beyond the application's control.

See also

moved, setSize

Reimplemented from Component.

keyPressed()

bool DialogWindow::keyPressed ( const KeyPress & key )

overrideprotectedvirtual

Called when a key is pressed.

When a key is pressed, the component that has the keyboard focus will have this method called. Remember that a component will only be given the focus if its setWantsKeyboardFocus() method has been used to enable this.

If your implementation returns true, the event will be consumed and not passed on to any other listeners. If it returns false, the key will be passed to any KeyListeners that have been registered with this component. As soon as one of these returns true, the process will stop, but if they all return false, the event will be passed upwards to this component's parent, and so on.

The default implementation of this method does nothing and returns false.

See also

keyStateChanged, getCurrentlyFocusedComponent, addKeyListener

Reimplemented from Component.

getDesktopScaleFactor()

float DialogWindow::getDesktopScaleFactor ( ) const

overrideprotectedvirtual

Returns the default scale factor to use for this component when it is placed on the desktop.

The default implementation of this method just returns the value from Desktop::getGlobalScaleFactor(), but it can be overridden if a particular component has different requirements. The method only used if this component is added to the desktop - it has no effect for child components.

Reimplemented from Component.

References Desktop::getGlobalScaleFactor(), and Desktop::getInstance().

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The documentation for this class was generated from the following file:

• juce_DialogWindow.h