2025-10-22 09:20:23 +02:00

159 lines
5.4 KiB
C++

/*
==============================================================================
This file is part of the JUCE framework examples.
Copyright (c) Raw Material Software Limited
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
to use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
==============================================================================
*/
/*******************************************************************************
The block below describes the properties of this PIP. A PIP is a short snippet
of code that can be read by the Projucer and used to generate a JUCE project.
BEGIN_JUCE_PIP_METADATA
name: WebBrowserDemo
version: 1.0.0
vendor: JUCE
website: http://juce.com
description: Displays a web browser.
dependencies: juce_core, juce_data_structures, juce_events, juce_graphics,
juce_gui_basics, juce_gui_extra
exporters: xcode_mac, vs2022, linux_make, androidstudio, xcode_iphone
moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
type: Component
mainClass: WebBrowserDemo
useLocalCopy: 1
END_JUCE_PIP_METADATA
*******************************************************************************/
#pragma once
#if JUCE_WEB_BROWSER
#include "../Assets/DemoUtilities.h"
//==============================================================================
/** We'll use a subclass of WebBrowserComponent to demonstrate how to get callbacks
when the browser changes URL. You don't need to do this, you can just also
just use the WebBrowserComponent class directly.
*/
class DemoBrowserComponent final : public WebBrowserComponent
{
public:
//==============================================================================
DemoBrowserComponent (TextEditor& addressBox)
: addressTextBox (addressBox)
{}
// This method gets called when the browser is about to go to a new URL..
bool pageAboutToLoad (const String& newURL) override
{
// We'll just update our address box to reflect the new location..
addressTextBox.setText (newURL, false);
// we could return false here to tell the browser not to go ahead with
// loading the page.
return true;
}
// This method gets called when the browser is requested to launch a new window
void newWindowAttemptingToLoad (const String& newURL) override
{
// We'll just load the URL into the main window
goToURL (newURL);
}
private:
TextEditor& addressTextBox;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DemoBrowserComponent)
};
//==============================================================================
class WebBrowserDemo final : public Component
{
public:
WebBrowserDemo()
{
setOpaque (true);
// Create an address box..
addAndMakeVisible (addressTextBox);
addressTextBox.setTextToShowWhenEmpty ("Enter a web address, e.g. https://www.juce.com", Colours::grey);
addressTextBox.onReturnKey = [this] { webView->goToURL (addressTextBox.getText()); };
// create the actual browser component
webView.reset (new DemoBrowserComponent (addressTextBox));
addAndMakeVisible (webView.get());
// add some buttons..
addAndMakeVisible (goButton);
goButton.onClick = [this] { webView->goToURL (addressTextBox.getText()); };
addAndMakeVisible (backButton);
backButton.onClick = [this] { webView->goBack(); };
addAndMakeVisible (forwardButton);
forwardButton.onClick = [this] { webView->goForward(); };
// send the browser to a start page..
webView->goToURL ("https://www.juce.com");
setSize (1000, 1000);
}
void paint (Graphics& g) override
{
g.fillAll (getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour::windowBackground,
Colours::grey));
}
void resized() override
{
webView->setBounds (10, 45, getWidth() - 20, getHeight() - 55);
goButton .setBounds (getWidth() - 45, 10, 35, 25);
addressTextBox.setBounds (100, 10, getWidth() - 155, 25);
backButton .setBounds (10, 10, 35, 25);
forwardButton .setBounds (55, 10, 35, 25);
}
private:
std::unique_ptr<DemoBrowserComponent> webView;
TextEditor addressTextBox;
TextButton goButton { "Go", "Go to URL" },
backButton { "<<", "Back" },
forwardButton { ">>", "Forward" };
void lookAndFeelChanged() override
{
addressTextBox.applyFontToAllText (addressTextBox.getFont());
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WebBrowserDemo)
};
#endif