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132 lines
5.8 KiB
132 lines
5.8 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_BUBBLEMESSAGECOMPONENT_H_INCLUDED
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#define JUCE_BUBBLEMESSAGECOMPONENT_H_INCLUDED
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//==============================================================================
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/**
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A speech-bubble component that displays a short message.
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This can be used to show a message with the tail of the speech bubble
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pointing to a particular component or location on the screen.
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@see BubbleComponent
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*/
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class JUCE_API BubbleMessageComponent : public BubbleComponent,
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private Timer
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{
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public:
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//==============================================================================
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/** Creates a bubble component.
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After creating one a BubbleComponent, do the following:
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- add it to an appropriate parent component, or put it on the
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desktop with Component::addToDesktop (0).
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- use the showAt() method to show a message.
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- it will make itself invisible after it times-out (and can optionally
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also delete itself), or you can reuse it somewhere else by calling
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showAt() again.
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*/
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BubbleMessageComponent (int fadeOutLengthMs = 150);
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/** Destructor. */
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~BubbleMessageComponent();
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//==============================================================================
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/** Shows a message bubble at a particular position.
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This shows the bubble with its stem pointing to the given location
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(coordinates being relative to its parent component).
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For details about exactly how it decides where to position itself, see
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BubbleComponent::updatePosition().
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@param position the coords of the object to point to
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@param message the text to display
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@param numMillisecondsBeforeRemoving how long to leave it on the screen before removing itself
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from its parent compnent. If this is 0 or less, it
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will stay there until manually removed.
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@param removeWhenMouseClicked if this is true, the bubble will disappear as soon as a
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mouse button is pressed (anywhere on the screen)
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@param deleteSelfAfterUse if true, then the component will delete itself after
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it becomes invisible
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*/
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void showAt (const Rectangle<int>& position,
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const AttributedString& message,
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int numMillisecondsBeforeRemoving,
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bool removeWhenMouseClicked = true,
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bool deleteSelfAfterUse = false);
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/** Shows a message bubble next to a particular component.
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This shows the bubble with its stem pointing at the given component.
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For details about exactly how it decides where to position itself, see
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BubbleComponent::updatePosition().
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@param component the component that you want to point at
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@param message the text to display
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@param numMillisecondsBeforeRemoving how long to leave it on the screen before removing itself
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from its parent compnent. If this is 0 or less, it
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will stay there until manually removed.
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@param removeWhenMouseClicked if this is true, the bubble will disappear as soon as a
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mouse button is pressed (anywhere on the screen)
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@param deleteSelfAfterUse if true, then the component will delete itself after
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it becomes invisible
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*/
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void showAt (Component* component,
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const AttributedString& message,
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int numMillisecondsBeforeRemoving,
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bool removeWhenMouseClicked = true,
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bool deleteSelfAfterUse = false);
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//==============================================================================
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/** @internal */
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void getContentSize (int& w, int& h);
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/** @internal */
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void paintContent (Graphics& g, int w, int h);
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/** @internal */
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void timerCallback();
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private:
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//==============================================================================
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int fadeOutLength, mouseClickCounter;
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TextLayout textLayout;
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int64 expiryTime;
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bool deleteAfterUse;
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void createLayout (const AttributedString&);
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void init (int numMillisecondsBeforeRemoving,
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bool removeWhenMouseClicked,
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bool deleteSelfAfterUse);
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void hide (bool fadeOut);
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (BubbleMessageComponent)
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};
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#endif // JUCE_BUBBLEMESSAGECOMPONENT_H_INCLUDED
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