in ubuntu: the "appearance" window
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Background” refers to the area behind all open windows in windowed mode, and to the welcome (lock) screen in staged mode.
Access
On the System Settings main screen, the “Background” icon should include a thumbnail of the currently selected background. Therefore, all the backgrounds in the icon should reflect the aspect ratio of the current display.
Structure
When choosing a background, by far the best representation is seeing the full-size background on the screen itself. This avoids frustration from choosing an image that has too low resolution, or from cropping an image poorly, and not being able to see the problem until you have exited. It’s also more fun.
Achieving this representation requires custom behavior in two ways.
First, each display should have its own Background UI. (This is unlike Display settings, where all displays must be configurable on the primary display because a misconfigured display might not be working at all.)
Second, the UI for each display should let you see the background on that display:
In staged mode, System Settings should be full-screen whenever you are on the “Background” panel, and the header should be semi-transparent, so that you can see the background behind it.
In windowed mode, all non-System-Settings windows should be transparent whenever you are in the “Background” panel, so that you can see the background around the System Settings window, with only outlines remaining to reassure you that they are still open. As soon as you switch to another panel, or close, minimize, or unfocus System Settings, all other windows should resume visibility.
You can’t pinch or drag the real background to resize or crop it, so the windowed mode needs its own controls for that. Therefore, the Background UI must be different in staged mode than in windowed mode.
Access
On the System Settings main screen, the “Background” icon should include a thumbnail of the currently selected background. Therefore, all the backgrounds in the icon should reflect the aspect ratio of the current display.
Structure
When choosing a background, by far the best representation is seeing the full-size background on the screen itself. This avoids frustration from choosing an image that has too low resolution, or from cropping an image poorly, and not being able to see the problem until you have exited. It’s also more fun.
Achieving this representation requires custom behavior in two ways.
First, each display should have its own Background UI. (This is unlike Display settings, where all displays must be configurable on the primary display because a misconfigured display might not be working at all.)
Second, the UI for each display should let you see the background on that display:
In staged mode, System Settings should be full-screen whenever you are on the “Background” panel, and the header should be semi-transparent, so that you can see the background behind it.
In windowed mode, all non-System-Settings windows should be transparent whenever you are in the “Background” panel, so that you can see the background around the System Settings window, with only outlines remaining to reassure you that they are still open. As soon as you switch to another panel, or close, minimize, or unfocus System Settings, all other windows should resume visibility.
You can’t pinch or drag the real background to resize or crop it, so the windowed mode needs its own controls for that. Therefore, the Background UI must be different in staged mode than in windowed mode.
esnagupta3107:
Thanks for the answerer.
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