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SP-2372: Fixed handling of links to external URLs in HtmlBrowser (esp in About Box) #1446

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Merged
tombogle merged 12 commits into from
Jul 18, 2025
Merged

SP-2372: Fixed handling of links to external URLs in HtmlBrowser (esp in About Box) #1446

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36aacfd
+semver:minor SP-2372: Fixed handling of links to external URLs in Ht…
tombogle Jul 11, 2025
e320f16
Merge branch 'master' into sp-2372-handle-links-to-external-window-in…
tombogle Jul 11, 2025
a27a74b
Merge branch 'master' into sp-2372-handle-links-to-external-window-in…
tombogle Jul 14, 2025
41a13c9
SP-2372: Comments related to code review
tombogle Jul 14, 2025
08136d1
+semver:minor Added static HtmlUtils class
tombogle Jul 16, 2025
cd5dd1e
SP-2372: Hooked up SILAboutBox to call HtmlUtils.CreatePatchedTempHtm…
tombogle Jul 16, 2025
a4e4a72
SP-2372: Improved regexes in HtmlUtils to allow for single quotes in …
tombogle Jul 16, 2025
66ce3b3
SP-2372: Further improvements to regular expressions in HtmlUtils.
tombogle Jul 16, 2025
0910043
SP-2372: Improved wording in CHANGELOG.md and added another test case
tombogle Jul 16, 2025
65042d1
SP-2372: Further tweaks and additional test cases.
tombogle Jul 17, 2025
4a46c64
SP-2372: Further improvements to HtmlUtils.IsExternalHref + additiona…
tombogle Jul 18, 2025
1934655
SP-2372: A few more review-inspired tweaks
tombogle Jul 18, 2025
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12 changes: 10 additions & 2 deletions CHANGELOG.md
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Expand Up @@ -16,20 +16,27 @@ and this project adheres to [Semantic Versioning](http://semver.org/).

## [Unreleased]

## [16.1.0] - 2025-07-16

### Added

- [SIL.Windows.Forms] Added PortableClipboard.CanGetImage()
- [ClipboardTestApp] Restored this test program and added tests for PortableClipboard.CanGetImage() and GetImageFromClipboard()
- [SIL.Windows.Forms] Check in debug mode to alert developer when using the SILAboutBox to display HTML that has links but has neither a base target in the head element (`<base target="_blank"> element`) nor explicit `target="_blank"` attributes for any of the links when they have not handled the Navigating event to customize the navigation behavior. In this situation links will likely open directly in the About browser window and will probably not behave as expected.
- [SIL.Windows.Forms] Added SILAboutBox.Navigating and SILAboutBox.Navigated events to allow callers to customize how HTML links in the embedded browser are handled.
- [SIL.Windows.Forms] Added SILAboutBox.AllowExternalLinksToOpenInsideAboutBox property to control whether a `<base target="_blank" rel="noopener noreferrer">` line is automatically added to the HTML (if missing) to ensure links open in the system browser rather than within the About dialog box.
- [SIL.Core] Added static HtmlUtils class with methods for handling HTML to be displayed in browser controls (e.g., `SILAboutBox`), including support for fixing missing target attributes on links and copying simple asset files when creating a temp HTML file to display.

### Fixed

- [SIL.Windows.Forms] In `CustomDropDown.OnOpening`, fixed check that triggers timer to stop.
- [SIL.Windows.Forms] Fixed HtmlBrowserHandled.OnNewWindow to open external URLs (`target="_blank"`) in the system’s default browser instead of Internet Explorer. This improves behavior in SILAboutBox and other components that use the embedded browser.

### Changed

- [SIL.WritingSystems] Updated embedded langtags.json
- [SIL.WritingSystems] Updated embedded ianaSubtagRegistry.txt

- [SIL.Windows.Forms] Documented previously undocumented feature: SILAboutBox constructor can accept either a filename or a file URI.

## [16.0.0] - 2025-05-20

Expand Down Expand Up @@ -590,7 +597,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
- [SIL.NUnit3Compatibility] new project/package that allows to use NUnit3 syntax with NUnit2
projects

[Unreleased]: https://github.com/sillsdev/libpalaso/compare/v16.0.0...master
[Unreleased]: https://github.com/sillsdev/libpalaso/compare/v16.1.0...master
[16.1.0]: https://github.com/sillsdev/libpalaso/compare/v16.0.0...v16.1.0
[16.0.0]: https://github.com/sillsdev/libpalaso/compare/v15.0.0...v16.0.0
[15.0.0]: https://github.com/sillsdev/libpalaso/compare/v14.1.1...v15.0.0
[14.1.1]: https://github.com/sillsdev/libpalaso/compare/v14.1.0...v14.1.1
Expand Down
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