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Also tweak the default tooltip color to be more bright and yellow!
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We can't rely on a plain global WeakPtr during application teardown
since destruction order is not defined. Instead, use a NeverDestroyed
to hold the GUI::Application weak pointer. This way it will always
be reliable.
Fixes #3251.
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Application::show_tooltip() now keeps track of the application's active
tooltip source widget so it can be updated while being shown when the
same widget updates its tooltip label.
Application::hide_tooltip() will unset the tooltip source widget,
respectively.
This is pretty useful for the ResourceGraph applet's tooltips!
Also re-use the Application::TooltipWindow's rect position in its
set_tooltip() method to avoid flickering from the window temporarily
being moved to 100, 100 and the position adjusted moments later.
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Using a command-line argument for this clashed with ArgsParser so let's
use an environment variable instead. I feel like Sergey told me to do
this at some point anyway. :^)
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During app teardown, the Application object may be destroyed before
something else, and so having Application::the() return a reference was
obscuring the truth about its lifetime.
This patch makes the API more honest by returning a pointer. While
this makes call sites look a bit more sketchy, do note that the global
Application pointer only becomes null during app teardown.
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Having this on the stack makes whole-program teardown iffy. Turning it
into a Core::Object allows anyone who needs it to extends its lifetime.
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We were calling exit() here because we didn't want to deal with object
teardown in the long-long-ago before Core::Object was ref-counted.
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This fits nicer with FloatRect,FloatPoint,FloatSize and gives a much
better visual clue about what type of metric is being used.
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This commit moves the clipboard from WindowServer into a new Clipboard
service program. Clipboard runs as the unprivileged "clipboard" user
and with a much tighter pledge than WindowServer.
To keep things working as before, all GUI::Application users now make
a connection to Clipboard after making the connection to WindowServer.
It could be interesting to connect to Clipboard on demand, but right
now that would necessitate expanding every GUI app's pledge to include
"unix" and also unveiling the clipboard portal, which I prefer not to.
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You can now pass --gui-focus-debug to any GUI::Application and it will
draw a cyan rectangle around the currently focused widget.
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This makes it show up in Inspector with all the menus inside it. :^)
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LibCore's GZip is also moved into the Core namespace with this change.
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This patch adds <LibGUI/Forward.h> and uses it a bunch.
It also dragged various header dependency reduction changes into it.
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