mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-12-17 13:10:29 +03:00
105 lines
3.0 KiB
Ruby
105 lines
3.0 KiB
Ruby
# File with boot selection
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SELECTIONS = "/run/boot/selection.json"
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# Runs and prints a command. Probably.
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def run(*cmd)
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$stderr.puts " $ " + cmd.join(" ")
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system(*cmd) unless LVGL::Introspection.simulator?
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end
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module BootGUI
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class MainWindow < LVGUI::BaseWindow
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include LVGUI::ButtonPalette
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# Add the logo to the view.
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def logo()
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# Try to find the logo, but don't fail if there isn't one.
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file = nil
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file = "/etc/logo.svg" if File.exist?("/etc/logo.svg")
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file = "./logo.svg" if File.exist?("./logo.svg")
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return unless file
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if @container.get_height > @container.get_width
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LVGL::Hacks::LVNanoSVG.resize_next_width((@container.get_width_fit * 0.8).to_i)
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else
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# Detecting the available space where the layout will stretch into is
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# apparently hard with lvgl, thus we rely on the vertical resolution.
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# Meh, that's not *so* bad.
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# While it's a crude approximation, for layouting it's fine.
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LVGL::Hacks::LVNanoSVG.resize_next_height((@container.get_height * 0.15).to_i)
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end
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@logo = LVGL::LVImage.new(@container)
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@logo.set_src(file)
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end
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def initialize()
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super()
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# Add the logo
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logo
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# An explanatory label
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LVGL::LVLabel.new(@container).tap do |label|
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label.set_long_mode(LVGL::LABEL_LONG::BREAK)
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label.set_text(%Q{Your device booted in recovery mode.})
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label.set_align(LVGL::LABEL_ALIGN::CENTER)
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label.set_width(@container.get_width_fit)
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end
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# Our buttons palette!
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add_buttons([
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["Generations #{LVGL::Symbols::RIGHT}", ->() { GenerationsWindow.instance.present }],
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*(Hal::RebootModes.options),
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["Power off", ->() { run("poweroff") }],
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])
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end
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end
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# Shows the list of generations to boot into.
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class GenerationsWindow < LVGUI::BaseWindow
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include LVGUI::ButtonPalette
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include LVGUI::Window::WithBackButton
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goes_back_to ->() { MainWindow.instance }
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def initialize()
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super()
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if File.exist?(::SELECTIONS)
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JSON.parse(File.read(::SELECTIONS)).each do |selection|
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add_button(selection["name"]) do
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File.open("/run/boot/choice", "w") do |file|
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file.write(selection["id"])
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end
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# Put back the console on the framebuffer
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VTConsole.map_console(1)
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exit 0
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end
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end
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else
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LVGL::LVLabel.new(@container).tap do |label|
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text = "No generations could be found.\n\n"
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if LVGL::Introspection.simulator?
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text += "This is normal in the simulator."
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else
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text += "This is anormal, and may be a sign of things being wrong."
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end
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label.set_long_mode(LVGL::LABEL_LONG::BREAK)
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label.set_text(text)
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label.set_align(LVGL::LABEL_ALIGN::CENTER)
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label.set_width(@container.get_width_fit)
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end
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end
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end
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end
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end
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# We need to start somewhere...
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BootGUI::MainWindow.instance.present
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# And keep the GUI active.
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LVGUI.main_loop
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