8313424: JavaFX controls in the title bar #1605
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👋 Welcome back mstrauss! A progress list of the required criteria for merging this PR into |
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❗ This change is not yet ready to be integrated. |
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/reviewers 2 reviewers |
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@mstr2 has indicated that a compatibility and specification (CSR) request is needed for this pull request. @mstr2 please create a CSR request for issue JDK-8313424 with the correct fix version. This pull request cannot be integrated until the CSR request is approved. |
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Hey, I'm glad to see this PR, but do you have any ideas for continuing to provide |
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Very nice. I'll test on Linux and report back. |
The only difference between the two would be whether the default window buttons are provided. I don't see how a window without default window buttons would be more useful. Even heavily stylized apps like Spotify use window buttons that feel at home on the OS, that doesn't take away from a consistent look and feel. |
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A few points observed on Linux:
Added later: Nice cleanup on |
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I suggest we convert this PR to Draft and first discuss this in the mailing list. There are so many issues with the proposal that need to be ironed first: CSS support, height limitation (what happens when the app or CSS places too large of the component?), user-defined color/accents/transparency on Windows, to name just a few. This change also may add a significant maintenance burden to the platform, for what I feel is a very small payout. What do you think? |
This has already been discussed at various points in time, and was always received positively. The previous implementation is one of the most-upvoted feature proposals since OpenJFX moved to GitHub.
What about these things? I don't understand the question, but let me try to give some answers nontheless:
Popular demand says otherwise. |
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Popular demand is good, but I would like to hear from the tech leads and the maintainers. |
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To clarify about height: do all the platforms support arbitrary height? What if size set by the app/CSS exceeds the height supported by the platform? About platform preferences: will it support all the attributes of the window decorations provided by the platform? |
Yes, all platforms support header bars of arbitrary height. You can make the header bar the size of the entire window, in which case everything is draggable.
If by "attributes" you mean the default behavior of platform decorations, then the anwer is mostly. These are the behaviors that are available on every platform:
On Windows, native window decorations also have the "system menu", which is this thing that appears when you click on the program icon:
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@tsayao Thanks for the comments. I'll have a look at the bugs that you found.
I know that dragging on interactive controls is a thing on Linux, but I don't think that we should be doing that. JavaFX applications are multi-platform apps, which means that their behavior should be consistent across platforms. Stealing mouse interactions on interactive controls is not a thing on Windows and macOS, and this has the potential to cause problems for application developers. If you want, you can declare any node in the header bar to be draggable on all platforms with
I'll have to look into that, but in general an
While that sounds useful at first, I don't think it carries its own weight. Many platforms use different styling for windows that are focused vs. windows that are not. This not only includes the header bar, but many other parts of the user interface as well. I don't think that we should be adding what would essentially be ad-hoc pseudo-classes only to HeaderBar. In addition to that, it is extremely easy for an application to do this by adding a listener to We should definitely not do pseudo-classes for light vs. dark mode. The correct way to solve this problem is with media queries (prefers-color-scheme). |
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Mailing list message from quizynox at gmail.com on openjfx-dev: Hello, Thank you so much for your effort! I'm really glad this hasn't been Every modern platform supports this feature: Electron, Tauri, Wails, Qt, Unfortunately, the current UNDECORATED stage implementation lacks two That's why the implementation should be handled on the native side, which It's indeed a complex feature. For that reason, I believe the ??, 22 ???. 2024??. ? 03:24, Michael Strau? <mstrauss at openjdk.org>: -------------- next part -------------- |
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I think we should look at use cases and design a simple solution that can be extended. Doing this with JavaFX as it is now will be hacky, since it would need to touch internals that are not exposed by default. Intellij Idea Nautilus Chrome Amberol (music player). App Center (Ubuntu Software Store) - This one uses flutter Some of them has no title at all. Some fuses the HeaderBar with the body, like nautilus. Even chrome, the tabs on the HeaderBar are not "isolated" from the body. On modern Gnome, everything is client side decorated. Server side decoration is legacy. It's better for rendering since the window manager does not need to calculate, draw and sync with the window. It's probably less flickery. Since JavaFx accounts the title as part of the window size, the current glass implementation is very hacky because it needs to request the decoration sizes from the window manager and then recalculate it. Having it on the client side is better, because no hacky solution is required. |
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Adding some more examples. Vivaldi browser actually allows you to switch between two modes: which can be switched with to So in the first mode, the menu is compressed vertically into the Vivaldi button. Here is Discord: Very compact. As for the payout of this feature, while personally I don't have a need for it, I will probably use it if it's not too much trouble. Regardless of my own opinion, this has been one of the most requested features, along with tray icon support, and it's available in the main "competition" frameworks. I would say that a very strong case will need to be made for this to not be added. The question that remains, as it often does, is if this is the right implementation. Hopefully the review process will figure that out. |
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Continuing on window attributes. I would like to know what is and is not supported by platform, by feature. For example: Windows
Did I miss anything? |
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For the HeaderBar, I would like to see the explanation of different layout options, including the cases when all the information does not fit the window width. Which parts are contracted? How is overflow handled? |
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May be I am late to the party, but I would suggest to discuss the JEP first. I would like to see the summary by platform by feature, I would like to see details of the layout, and the description if and how the proposed design responds to user preferences changes dynamically. I would also like to see alternatives. Perhaps the app developers has all the tools already (for example, creating an overlay transparent scene on top of the platform title bar?), or maybe this functionality should be rather implemented in a library. Lastly, there is a concern of adding a huge maintenance burden on the platform. Next time the major OS vendor changes the L&F or adds something to the window decorations, we are on the hook for supporting that. I am not even qualified to access the impact of this feature in the Linux world. There are so many frameworks and opinions - how do you propose to handle that? Is it going to be supported on Wayland? |
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Gtk does work on Mac and Windows, maybe we can see how it handles it's HeaderBar, for reference. |
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Another aspect is whether this should be a conditional feature. |
I'll eagerly invite you to dissect this PR for its merits, its pros and cons. However, your questions lead me to conclude that you haven't really looked at what I'm proposing. Half of your questions are answered just by looking at the documentation for Let me try to explain
Since there is no non-client title bar, all questions regarding the appearance or accessibility of the |
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please link your JEP from this PR |
I like the idea of having different subsurfaces for JavaFX client-side rendering and window decorations. We'd need a working Wayland backend, though... |
| @@ -275,30 +234,25 @@ void alignmentOfCenterChild_resizable_withNonEmptyLeadingAndTrailingChild(String | |||
| "BOTTOM_CENTER, 450, 40, 100, 50", | |||
| "BOTTOM_RIGHT, 740, 40, 100, 50" | |||
| }) | |||
| void alignmentOfCenterChild_notResizable_withNonEmptyLeadingAndTrailingChild(String arg) { | |||
| String[] args = arg.split(","); | |||
| void alignmentOfCenterChild_notResizable_withNonEmptyLeadingAndTrailingChild( | |||
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minor suggestion:
long test names do not help much (and actually may cause problems, see https://bugs.openjdk.org/browse/JDK-8334497)
also rather inconvenient to see in the logs, or IDEs. You can use comments for human-readability and short(er) method names.
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@andy-goryachev-oracle Can you mark conversations resolved if you think the issue has been discussed appropriately? This would help to organize all of the remaining points. |
we are hitting the a github design problem here - as you correctly expect, the originator should, in theory, be able to mark conversation as resolved, but the only person who could is the PR submitter. I started to use thumbsUp emoji to mark resolved/accepted answers, and I can go through and do the remaining ones, or mark the points that have not been answered yet (those exist). Any other suggestions? |
This is, indeed, a limitation of GitHub.
I can't think of a better approach. |
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| public final class WindowControlsOverlay extends Region { | ||
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| private static final CssMetaData<WindowControlsOverlay, HorizontalDirection> BUTTON_PLACEMENT_METADATA = |
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BTW, check out StyleablePropertyFactory. It can be used if one doesn't do lazy initialization, or if one doesn't need e.g. IntegerProperties.
modules/javafx.graphics/src/main/native-glass/mac/GlassViewDelegate.m
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modules/javafx.graphics/src/main/java/com/sun/glass/ui/mac/MacWindow.java
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| GLASS_ASSERT_MAIN_JAVA_THREAD(env); | ||
| GLASS_POOL_ENTER; | ||
| { | ||
| NSString* preferredLanguage = [[NSLocale preferredLanguages] objectAtIndex:0]; |
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Is there some reason you're not using the NSWindow.windowTitlebarLayoutDirection property?
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It just doesn't seem to work. NSWindow.windowTitlebarLayoutDirection always returns NSUserInterfaceLayoutDirectionLeftToRight, even when my system layout direction clearly is right-to-left. I haven't been able to find out why that is.
# Conflicts: # modules/javafx.graphics/src/test/addExports
# Conflicts: # modules/javafx.graphics/src/main/java/com/sun/javafx/tk/TKScene.java # modules/javafx.graphics/src/main/java/com/sun/javafx/tk/quantum/WindowStage.java
# Conflicts: # modules/javafx.graphics/src/main/java/com/sun/javafx/tk/quantum/GlassViewEventHandler.java
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I've added the |
Implementation of
EXTENDEDandEXTENDED_UTILITYstage style.Progress
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