520 lines
24 KiB
C
520 lines
24 KiB
C
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/*
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==============================================================================
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This file is part of the JUCE examples.
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Copyright (c) 2020 - Raw Material Software Limited
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
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WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
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PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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/*******************************************************************************
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The block below describes the properties of this PIP. A PIP is a short snippet
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of code that can be read by the Projucer and used to generate a JUCE project.
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BEGIN_JUCE_PIP_METADATA
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name: DialogsDemo
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version: 1.0.0
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vendor: JUCE
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website: http://juce.com
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description: Displays different types of dialog windows.
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dependencies: juce_core, juce_data_structures, juce_events, juce_graphics,
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juce_gui_basics, juce_gui_extra
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exporters: xcode_mac, vs2019, linux_make, androidstudio, xcode_iphone
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moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
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type: Component
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mainClass: DialogsDemo
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useLocalCopy: 1
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END_JUCE_PIP_METADATA
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*******************************************************************************/
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#pragma once
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#include "../Assets/DemoUtilities.h"
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//==============================================================================
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class DemoBackgroundThread : public ThreadWithProgressWindow
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{
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public:
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DemoBackgroundThread()
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: ThreadWithProgressWindow ("busy doing some important things...", true, true)
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{
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setStatusMessage ("Getting ready...");
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}
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void run() override
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{
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setProgress (-1.0); // setting a value beyond the range 0 -> 1 will show a spinning bar..
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setStatusMessage ("Preparing to do some stuff...");
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wait (2000);
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int thingsToDo = 10;
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for (int i = 0; i < thingsToDo; ++i)
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{
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// must check this as often as possible, because this is
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// how we know if the user's pressed 'cancel'
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if (threadShouldExit())
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return;
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// this will update the progress bar on the dialog box
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setProgress (i / (double) thingsToDo);
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setStatusMessage (String (thingsToDo - i) + " things left to do...");
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wait (500);
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}
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setProgress (-1.0); // setting a value beyond the range 0 -> 1 will show a spinning bar..
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setStatusMessage ("Finishing off the last few bits and pieces!");
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wait (2000);
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}
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// This method gets called on the message thread once our thread has finished..
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void threadComplete (bool userPressedCancel) override
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{
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const String messageString (userPressedCancel ? "You pressed cancel!" : "Thread finished ok!");
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AlertWindow::showAsync (MessageBoxOptions()
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.withIconType (MessageBoxIconType::InfoIcon)
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.withTitle ("Progress window")
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.withMessage (messageString)
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.withButton ("OK"),
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nullptr);
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// ..and clean up by deleting our thread object..
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delete this;
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}
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};
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//==============================================================================
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class DialogsDemo : public Component
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{
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public:
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enum DialogType
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{
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plainAlertWindow,
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warningAlertWindow,
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infoAlertWindow,
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questionAlertWindow,
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okCancelAlertWindow,
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extraComponentsAlertWindow,
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calloutBoxWindow,
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progressWindow,
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loadChooser,
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loadWithPreviewChooser,
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directoryChooser,
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saveChooser,
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shareText,
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shareFile,
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shareImage,
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numDialogs
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};
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DialogsDemo()
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{
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setOpaque (true);
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addAndMakeVisible (nativeButton);
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nativeButton.setButtonText ("Use Native Windows");
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nativeButton.onClick = [this] { getLookAndFeel().setUsingNativeAlertWindows (nativeButton.getToggleState()); };
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StringArray windowNames { "Plain Alert Window",
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"Alert Window With Warning Icon",
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"Alert Window With Info Icon",
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"Alert Window With Question Icon",
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"OK Cancel Alert Window",
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"Alert Window With Extra Components",
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"CalloutBox",
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"Thread With Progress Window",
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"'Load' File Browser",
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"'Load' File Browser With Image Preview",
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"'Choose Directory' File Browser",
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"'Save' File Browser",
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"Share Text",
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"Share Files",
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"Share Images" };
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// warn in case we add any windows
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jassert (windowNames.size() == numDialogs);
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for (auto windowName : windowNames)
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{
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auto* newButton = new TextButton();
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addAndMakeVisible (windowButtons.add (newButton));
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newButton->setButtonText (windowName);
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auto index = windowNames.indexOf (windowName);
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newButton->onClick = [this, index, newButton] { showWindow (*newButton, static_cast<DialogType> (index)); };
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}
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setSize (500, 500);
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RuntimePermissions::request (RuntimePermissions::readExternalStorage,
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[] (bool granted)
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{
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if (! granted)
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AlertWindow::showAsync (MessageBoxOptions()
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.withIconType (MessageBoxIconType::WarningIcon)
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.withTitle ("Permissions warning")
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.withMessage ("External storage access permission not granted, some files"
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" may be inaccessible.")
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.withButton ("OK"),
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nullptr);
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});
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}
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//==============================================================================
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void paint (Graphics& g) override
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{
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g.fillAll (getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour::windowBackground));
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}
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void resized() override
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{
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auto area = getLocalBounds().reduced (5, 15);
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Rectangle<int> topRow;
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for (auto* b : windowButtons)
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{
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auto index = windowButtons.indexOf (b);
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if (topRow.getWidth() < 10 || index == loadChooser)
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topRow = area.removeFromTop (26);
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if (index == progressWindow)
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area.removeFromTop (20);
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b->setBounds (topRow.removeFromLeft (area.getWidth() / 2).reduced (4, 2));
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}
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area.removeFromTop (15);
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nativeButton.setBounds (area.removeFromTop (24));
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}
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private:
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OwnedArray<TextButton> windowButtons;
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ToggleButton nativeButton;
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struct AlertBoxResultChosen
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{
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void operator() (int result) const noexcept
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{
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AlertWindow::showAsync (MessageBoxOptions()
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.withIconType (MessageBoxIconType::InfoIcon)
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.withTitle ("Alert Box")
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.withMessage ("Result code: " + String (result))
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.withButton ("OK"),
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nullptr);
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}
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};
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struct AsyncAlertBoxResultChosen
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{
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void operator() (int result) const noexcept
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{
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auto& aw = *demo.asyncAlertWindow;
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aw.exitModalState (result);
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aw.setVisible (false);
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if (result == 0)
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{
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AlertBoxResultChosen{} (result);
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return;
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}
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auto optionIndexChosen = aw.getComboBoxComponent ("option")->getSelectedItemIndex();
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auto text = aw.getTextEditorContents ("text");
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AlertWindow::showAsync (MessageBoxOptions()
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.withIconType (MessageBoxIconType::InfoIcon)
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.withTitle ("Alert Box")
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.withMessage ("Result code: " + String (result) + newLine
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+ "Option index chosen: " + String (optionIndexChosen) + newLine
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+ "Text: " + text)
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.withButton ("OK"),
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nullptr);
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}
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DialogsDemo& demo;
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};
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void showWindow (Component& button, DialogType type)
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{
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if (type >= plainAlertWindow && type <= questionAlertWindow)
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{
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MessageBoxIconType icon = MessageBoxIconType::NoIcon;
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if (type == warningAlertWindow) icon = MessageBoxIconType::WarningIcon;
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if (type == infoAlertWindow) icon = MessageBoxIconType::InfoIcon;
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if (type == questionAlertWindow) icon = MessageBoxIconType::QuestionIcon;
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AlertWindow::showMessageBoxAsync (icon, "This is an AlertWindow",
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"And this is the AlertWindow's message. Blah blah blah blah blah blah blah blah blah blah blah blah blah.",
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"OK");
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}
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else if (type == okCancelAlertWindow)
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{
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AlertWindow::showOkCancelBox (MessageBoxIconType::QuestionIcon, "This is an ok/cancel AlertWindow",
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"And this is the AlertWindow's message. Blah blah blah blah blah blah blah blah blah blah blah blah blah.",
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{}, {}, {},
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ModalCallbackFunction::create (AlertBoxResultChosen{}));
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}
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else if (type == calloutBoxWindow)
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{
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auto colourSelector = std::make_unique<ColourSelector>();
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colourSelector->setName ("background");
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colourSelector->setCurrentColour (findColour (TextButton::buttonColourId));
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colourSelector->setColour (ColourSelector::backgroundColourId, Colours::transparentBlack);
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colourSelector->setSize (300, 400);
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CallOutBox::launchAsynchronously (std::move (colourSelector), button.getScreenBounds(), nullptr);
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}
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else if (type == extraComponentsAlertWindow)
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{
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asyncAlertWindow = std::make_unique<AlertWindow> ("AlertWindow demo..",
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"This AlertWindow has a couple of extra components added to show how to add drop-down lists and text entry boxes.",
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MessageBoxIconType::QuestionIcon);
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asyncAlertWindow->addTextEditor ("text", "enter some text here", "text field:");
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asyncAlertWindow->addComboBox ("option", { "option 1", "option 2", "option 3", "option 4" }, "some options");
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asyncAlertWindow->addButton ("OK", 1, KeyPress (KeyPress::returnKey, 0, 0));
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asyncAlertWindow->addButton ("Cancel", 0, KeyPress (KeyPress::escapeKey, 0, 0));
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asyncAlertWindow->enterModalState (true, ModalCallbackFunction::create (AsyncAlertBoxResultChosen { *this }));
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}
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else if (type == progressWindow)
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{
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// This will launch our ThreadWithProgressWindow in a modal state. (Our subclass
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// will take care of deleting the object when the task has finished)
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(new DemoBackgroundThread())->launchThread();
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}
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else if (type >= loadChooser && type <= saveChooser)
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{
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auto useNativeVersion = nativeButton.getToggleState();
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if (type == loadChooser)
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{
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fc.reset (new FileChooser ("Choose a file to open...", File::getCurrentWorkingDirectory(),
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"*", useNativeVersion));
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fc->launchAsync (FileBrowserComponent::canSelectMultipleItems | FileBrowserComponent::openMode
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| FileBrowserComponent::canSelectFiles,
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[] (const FileChooser& chooser)
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{
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String chosen;
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auto results = chooser.getURLResults();
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for (auto result : results)
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chosen << (result.isLocalFile() ? result.getLocalFile().getFullPathName()
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: result.toString (false)) << "\n";
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AlertWindow::showAsync (MessageBoxOptions()
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.withIconType (MessageBoxIconType::InfoIcon)
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.withTitle ("File Chooser...")
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.withMessage ("You picked: " + chosen)
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.withButton ("OK"),
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nullptr);
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});
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}
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else if (type == loadWithPreviewChooser)
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{
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imagePreview.setSize (200, 200);
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fc.reset (new FileChooser ("Choose an image to open...", File::getCurrentWorkingDirectory(),
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"*.jpg;*.jpeg;*.png;*.gif", useNativeVersion));
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fc->launchAsync (FileBrowserComponent::openMode | FileBrowserComponent::canSelectFiles
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| FileBrowserComponent::canSelectMultipleItems,
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[] (const FileChooser& chooser)
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{
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String chosen;
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auto results = chooser.getURLResults();
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for (auto result : results)
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chosen << (result.isLocalFile() ? result.getLocalFile().getFullPathName()
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: result.toString (false)) << "\n";
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AlertWindow::showAsync (MessageBoxOptions()
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.withIconType (MessageBoxIconType::InfoIcon)
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.withTitle ("File Chooser...")
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.withMessage ("You picked: " + chosen)
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.withButton ("OK"),
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nullptr);
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},
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&imagePreview);
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}
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else if (type == saveChooser)
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{
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auto fileToSave = File::createTempFile ("saveChooserDemo");
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if (fileToSave.createDirectory().wasOk())
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{
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fileToSave = fileToSave.getChildFile ("JUCE.png");
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fileToSave.deleteFile();
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FileOutputStream outStream (fileToSave);
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if (outStream.openedOk())
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if (auto inStream = createAssetInputStream ("juce_icon.png"))
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outStream.writeFromInputStream (*inStream, -1);
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}
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fc.reset (new FileChooser ("Choose a file to save...",
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File::getCurrentWorkingDirectory().getChildFile (fileToSave.getFileName()),
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"*", useNativeVersion));
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fc->launchAsync (FileBrowserComponent::saveMode | FileBrowserComponent::canSelectFiles,
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[fileToSave] (const FileChooser& chooser)
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{
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auto result = chooser.getURLResult();
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auto name = result.isEmpty() ? String()
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: (result.isLocalFile() ? result.getLocalFile().getFullPathName()
|
||
|
|
: result.toString (true));
|
||
|
|
|
||
|
|
// Android and iOS file choosers will create placeholder files for chosen
|
||
|
|
// paths, so we may as well write into those files.
|
||
|
|
#if JUCE_ANDROID || JUCE_IOS
|
||
|
|
if (! result.isEmpty())
|
||
|
|
{
|
||
|
|
std::unique_ptr<InputStream> wi (fileToSave.createInputStream());
|
||
|
|
std::unique_ptr<OutputStream> wo (result.createOutputStream());
|
||
|
|
|
||
|
|
if (wi.get() != nullptr && wo.get() != nullptr)
|
||
|
|
{
|
||
|
|
auto numWritten = wo->writeFromInputStream (*wi, -1);
|
||
|
|
jassertquiet (numWritten > 0);
|
||
|
|
wo->flush();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
AlertWindow::showAsync (MessageBoxOptions()
|
||
|
|
.withIconType (MessageBoxIconType::InfoIcon)
|
||
|
|
.withTitle ("File Chooser...")
|
||
|
|
.withMessage ("You picked: " + name)
|
||
|
|
.withButton ("OK"),
|
||
|
|
nullptr);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else if (type == directoryChooser)
|
||
|
|
{
|
||
|
|
fc.reset (new FileChooser ("Choose a directory...",
|
||
|
|
File::getCurrentWorkingDirectory(),
|
||
|
|
"*",
|
||
|
|
useNativeVersion));
|
||
|
|
|
||
|
|
fc->launchAsync (FileBrowserComponent::openMode | FileBrowserComponent::canSelectDirectories,
|
||
|
|
[] (const FileChooser& chooser)
|
||
|
|
{
|
||
|
|
auto result = chooser.getURLResult();
|
||
|
|
auto name = result.isLocalFile() ? result.getLocalFile().getFullPathName()
|
||
|
|
: result.toString (true);
|
||
|
|
|
||
|
|
AlertWindow::showAsync (MessageBoxOptions()
|
||
|
|
.withIconType (MessageBoxIconType::InfoIcon)
|
||
|
|
.withTitle ("File Chooser...")
|
||
|
|
.withMessage ("You picked: " + name)
|
||
|
|
.withButton ("OK"),
|
||
|
|
nullptr);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (type == shareText)
|
||
|
|
{
|
||
|
|
ContentSharer::getInstance()->shareText ("I love JUCE!",
|
||
|
|
[] (bool success, const String& error)
|
||
|
|
{
|
||
|
|
auto resultString = success ? String ("success") : ("failure\n (error: " + error + ")");
|
||
|
|
|
||
|
|
AlertWindow::showAsync (MessageBoxOptions()
|
||
|
|
.withIconType (MessageBoxIconType::InfoIcon)
|
||
|
|
.withTitle ("Sharing Text Result")
|
||
|
|
.withMessage ("Sharing text finished\nwith " + resultString)
|
||
|
|
.withButton ("OK"),
|
||
|
|
nullptr);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else if (type == shareFile)
|
||
|
|
{
|
||
|
|
File fileToSave = File::createTempFile ("DialogsDemoSharingTest");
|
||
|
|
|
||
|
|
if (fileToSave.createDirectory().wasOk())
|
||
|
|
{
|
||
|
|
fileToSave = fileToSave.getChildFile ("SharingDemoFile.txt");
|
||
|
|
fileToSave.replaceWithText ("Make it fast!");
|
||
|
|
|
||
|
|
Array<URL> urls;
|
||
|
|
urls.add (URL (fileToSave));
|
||
|
|
|
||
|
|
ContentSharer::getInstance()->shareFiles (urls,
|
||
|
|
[] (bool success, const String& error)
|
||
|
|
{
|
||
|
|
auto resultString = success ? String ("success") : ("failure\n (error: " + error + ")");
|
||
|
|
|
||
|
|
AlertWindow::showAsync (MessageBoxOptions()
|
||
|
|
.withIconType (MessageBoxIconType::InfoIcon)
|
||
|
|
.withTitle ("Sharing Files Result")
|
||
|
|
.withMessage ("Sharing files finished\nwith " + resultString)
|
||
|
|
.withButton ("OK"),
|
||
|
|
nullptr);
|
||
|
|
});
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (type == shareImage)
|
||
|
|
{
|
||
|
|
auto myImage = getImageFromAssets ("juce_icon.png");
|
||
|
|
|
||
|
|
Image myImage2 (Image::RGB, 500, 500, true);
|
||
|
|
Graphics g (myImage2);
|
||
|
|
g.setColour (Colours::green);
|
||
|
|
ColourGradient gradient (Colours::yellow, 170, 170, Colours::cyan, 170, 20, true);
|
||
|
|
g.setGradientFill (gradient);
|
||
|
|
g.fillEllipse (20, 20, 300, 300);
|
||
|
|
|
||
|
|
Array<Image> images { myImage, myImage2 };
|
||
|
|
|
||
|
|
ContentSharer::getInstance()->shareImages (images,
|
||
|
|
[] (bool success, const String& error)
|
||
|
|
{
|
||
|
|
String resultString = success ? String ("success")
|
||
|
|
: ("failure\n (error: " + error + ")");
|
||
|
|
|
||
|
|
AlertWindow::showAsync (MessageBoxOptions()
|
||
|
|
.withIconType (MessageBoxIconType::InfoIcon)
|
||
|
|
.withTitle ("Sharing Images Result")
|
||
|
|
.withMessage ("Sharing images finished\nwith " + resultString)
|
||
|
|
.withButton ("OK"),
|
||
|
|
nullptr);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ImagePreviewComponent imagePreview;
|
||
|
|
std::unique_ptr<FileChooser> fc;
|
||
|
|
std::unique_ptr<AlertWindow> asyncAlertWindow;
|
||
|
|
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DialogsDemo)
|
||
|
|
};
|