git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
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276
deps/juce/modules/juce_gui_basics/windows/juce_DialogWindow.h
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deps/juce/modules/juce_gui_basics/windows/juce_DialogWindow.h
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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A dialog-box style window.
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This class is a convenient way of creating a DocumentWindow with a close button
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that can be triggered by pressing the escape key.
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Any of the methods available to a DocumentWindow or ResizableWindow are also
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available to this, so it can be made resizable, have a menu bar, etc.
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You can either override or use an instance of the DialogWindow class directly,
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or you can use a DialogWindow::LaunchOptions structure to quickly set up and
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launch a box containing a content component.
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If you use the class directly, you'll need to override the
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DocumentWindow::closeButtonPressed() method to handle the user clicking the close
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button - for more info, see the DocumentWindow help.
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@see DocumentWindow, ResizableWindow
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@tags{GUI}
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*/
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class JUCE_API DialogWindow : public DocumentWindow
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{
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public:
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//==============================================================================
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/** Creates a DialogWindow.
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@param name the name to give the component - this is also
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the title shown at the top of the window. To change
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this later, use setName()
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@param backgroundColour the colour to use for filling the window's background.
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@param escapeKeyTriggersCloseButton if true, then pressing the escape key will cause the
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close button to be triggered
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@param addToDesktop if true, the window will be automatically added to the
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desktop; if false, you can use it as a child component
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@param desktopScale specifies the scale to use when drawing the window. In a plugin,
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the host controls the scale used to render the plugin editor.
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You should query the editor scale with
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Component::getApproximateScaleFactorForComponent() and pass the
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result here. You can ignore this parameter in a standalone app
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*/
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DialogWindow (const String& name,
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Colour backgroundColour,
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bool escapeKeyTriggersCloseButton,
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bool addToDesktop = true,
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float desktopScale = 1.0f);
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/** Destructor.
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If a content component has been set with setContentOwned(), it will be deleted.
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*/
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~DialogWindow() override;
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//==============================================================================
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/** This class defines a collection of settings to be used to open a DialogWindow.
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The easiest way to open a DialogWindow is to create yourself a LaunchOptions structure,
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initialise its fields with the appropriate details, and then call its launchAsync()
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method to launch the dialog.
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*/
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struct JUCE_API LaunchOptions
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{
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LaunchOptions() noexcept;
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/** The title to give the window. */
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String dialogTitle;
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/** The background colour for the window. */
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Colour dialogBackgroundColour = Colours::lightgrey;
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/** The content component to show in the window. This must not be null!
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Using an OptionalScopedPointer to hold this pointer lets you indicate whether
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you'd like the dialog to automatically delete the component when the dialog
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has terminated.
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*/
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OptionalScopedPointer<Component> content;
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/** If this is not a nullptr, it indicates a component that you'd like to position this
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dialog box in front of. See the DocumentWindow::centreAroundComponent() method for
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more info about this parameter.
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*/
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Component* componentToCentreAround = nullptr;
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/** If true, then the escape key will trigger the dialog's close button. */
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bool escapeKeyTriggersCloseButton = true;
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/** If true, the dialog will use a native title bar. See TopLevelWindow::setUsingNativeTitleBar() */
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bool useNativeTitleBar = true;
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/** If true, the window will be resizable. See ResizableWindow::setResizable() */
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bool resizable = true;
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/** Indicates whether to use a border or corner resizer component. See ResizableWindow::setResizable() */
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bool useBottomRightCornerResizer = false;
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/** Launches a new modal dialog window.
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This will create a dialog based on the settings in this structure,
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launch it modally, and return immediately. The window that is returned
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will be automatically deleted when the modal state is terminated.
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When the dialog's close button is clicked, it'll automatically terminate its
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modal state, but you can also do this programmatically by calling
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exitModalState (returnValue) on the DialogWindow.
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If your content component needs to find the dialog window that it is
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contained in, a quick trick is to do this:
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@code
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if (DialogWindow* dw = contentComponent->findParentComponentOfClass<DialogWindow>())
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dw->exitModalState (1234);
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@endcode
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*/
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DialogWindow* launchAsync();
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/** Creates a new DialogWindow instance with these settings.
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This method simply creates the window, it doesn't run it modally. In most cases
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you'll want to use launchAsync() or runModal() instead.
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*/
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DialogWindow* create();
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#if JUCE_MODAL_LOOPS_PERMITTED
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/** Launches and runs the dialog modally, returning the status code that was
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used to terminate the modal loop.
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Note that running modal loops inline is a BAD technique. If possible, always
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use launchAsync() instead of this method.
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*/
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int runModal();
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#endif
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JUCE_DECLARE_NON_COPYABLE (LaunchOptions)
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};
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//==============================================================================
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/** Easy way of quickly showing a dialog box containing a given component.
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Note: This method has been superseded by the DialogWindow::LaunchOptions structure,
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which does the same job with some extra flexibility. The showDialog method is here
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for backwards compatibility, but please use DialogWindow::LaunchOptions in new code.
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This will open and display a DialogWindow containing a given component, making it
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modal, but returning immediately to allow the dialog to finish in its own time. If
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you want to block and run a modal loop until the dialog is dismissed, use showModalDialog()
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instead.
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To close the dialog programmatically, you should call exitModalState (returnValue) on
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the DialogWindow that is created. To find a pointer to this window from your
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contentComponent, you can do something like this:
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@code
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if (DialogWindow* dw = contentComponent->findParentComponentOfClass<DialogWindow>())
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dw->exitModalState (1234);
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@endcode
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@param dialogTitle the dialog box's title
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@param contentComponent the content component for the dialog box. Make sure
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that this has been set to the size you want it to
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be before calling this method. The component won't
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be deleted by this call, so you can re-use it or delete
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it afterwards
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@param componentToCentreAround if this is not a nullptr, it indicates a component that
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you'd like to show this dialog box in front of. See the
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DocumentWindow::centreAroundComponent() method for more
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info on this parameter
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@param backgroundColour a colour to use for the dialog box's background colour
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@param escapeKeyTriggersCloseButton if true, then pressing the escape key will cause the
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close button to be triggered
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@param shouldBeResizable if true, the dialog window has either a resizable border, or
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a corner resizer
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@param useBottomRightCornerResizer if shouldBeResizable is true, this indicates whether
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to use a border or corner resizer component. See ResizableWindow::setResizable()
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*/
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static void showDialog (const String& dialogTitle,
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Component* contentComponent,
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Component* componentToCentreAround,
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Colour backgroundColour,
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bool escapeKeyTriggersCloseButton,
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bool shouldBeResizable = false,
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bool useBottomRightCornerResizer = false);
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#if JUCE_MODAL_LOOPS_PERMITTED
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/** Easy way of quickly showing a dialog box containing a given component.
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Note: This method has been superseded by the DialogWindow::LaunchOptions structure,
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which does the same job with some extra flexibility. The showDialog method is here
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for backwards compatibility, but please use DialogWindow::LaunchOptions in new code.
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This will open and display a DialogWindow containing a given component, returning
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when the user clicks its close button.
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It returns the value that was returned by the dialog box's runModalLoop() call.
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To close the dialog programmatically, you should call exitModalState (returnValue) on
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the DialogWindow that is created. To find a pointer to this window from your
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contentComponent, you can do something like this:
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@code
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if (DialogWindow* dw = contentComponent->findParentComponentOfClass<DialogWindow>())
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dw->exitModalState (1234);
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@endcode
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@param dialogTitle the dialog box's title
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@param contentComponent the content component for the dialog box. Make sure
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that this has been set to the size you want it to
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be before calling this method. The component won't
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be deleted by this call, so you can re-use it or delete
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it afterwards
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@param componentToCentreAround if this is not a nullptr, it indicates a component that
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you'd like to show this dialog box in front of. See the
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DocumentWindow::centreAroundComponent() method for more
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info on this parameter
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@param backgroundColour a colour to use for the dialog box's background colour
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@param escapeKeyTriggersCloseButton if true, then pressing the escape key will cause the
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close button to be triggered
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@param shouldBeResizable if true, the dialog window has either a resizable border, or
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a corner resizer
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@param useBottomRightCornerResizer if shouldBeResizable is true, this indicates whether
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to use a border or corner resizer component. See ResizableWindow::setResizable()
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*/
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static int showModalDialog (const String& dialogTitle,
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Component* contentComponent,
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Component* componentToCentreAround,
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Colour backgroundColour,
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bool escapeKeyTriggersCloseButton,
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bool shouldBeResizable = false,
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bool useBottomRightCornerResizer = false);
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#endif
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/** Called when the escape key is pressed.
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This can be overridden to do things other than the default behaviour, which is to hide
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the window. Return true if the key has been used, or false if it was ignored.
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*/
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virtual bool escapeKeyPressed();
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protected:
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//==============================================================================
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/** @internal */
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void resized() override;
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/** @internal */
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bool keyPressed (const KeyPress&) override;
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/** @internal */
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float getDesktopScaleFactor() const override { return desktopScale * Desktop::getInstance().getGlobalScaleFactor(); }
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private:
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std::unique_ptr<AccessibilityHandler> createAccessibilityHandler() override;
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float desktopScale = 1.0f;
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bool escapeKeyTriggersCloseButton;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DialogWindow)
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};
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} // namespace juce
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Reference in New Issue
Block a user