Merge pull request #104 from ryanrhughes/add-boot-screen

Add graphical boot screen
This commit is contained in:
David Heinemeier Hansson
2025-07-09 16:09:43 -04:00
committed by GitHub
10 changed files with 341 additions and 0 deletions

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[Plymouth Theme]
Name=Omarchy
Description=Omarchy splash screen.
ModuleName=script
[script]
ImageDir=/usr/share/plymouth/themes/omarchy
ScriptFile=/usr/share/plymouth/themes/omarchy/omarchy.script
ConsoleLogBackgroundColor=0x1a1b26

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# Omarchy Plymouth Theme Script
Window.SetBackgroundTopColor(0.101, 0.105, 0.149);
Window.SetBackgroundBottomColor(0.101, 0.105, 0.149);
logo.image = Image("logo.png");
logo.sprite = Sprite(logo.image);
logo.sprite.SetX (Window.GetX() + Window.GetWidth() / 2 - logo.image.GetWidth() / 2);
logo.sprite.SetY (Window.GetY() + Window.GetHeight() / 2 - logo.image.GetHeight() / 2);
logo.sprite.SetOpacity (1);
# Use these to adjust the progress bar timing
global.fake_progress_limit = 0.8; # Target percentage for fake progress (0.0 to 1.0)
global.fake_progress_duration = 15.0; # Duration in seconds to reach limit
# Progress bar animation variables
global.fake_progress = 0.0;
global.real_progress = 0.0;
global.fake_progress_active = 0; # 0 / 1 boolean
global.animation_frame = 0;
global.fake_progress_start_time = 0; # Track when fake progress started
global.password_shown = 0; # Track if password dialog has been shown
fun refresh_callback ()
{
global.animation_frame++;
# Animate fake progress to limit over time with easing
if (global.fake_progress_active == 1)
{
# Calculate elapsed time since start
elapsed_time = global.animation_frame / 50.0; # Convert frames to seconds (50 FPS)
# Calculate linear progress ratio (0 to 1) based on time
time_ratio = elapsed_time / global.fake_progress_duration;
if (time_ratio > 1.0)
time_ratio = 1.0;
# Apply easing curve: ease-out quadratic
# Formula: 1 - (1 - x)^2
eased_ratio = 1 - ((1 - time_ratio) * (1 - time_ratio));
# Calculate fake progress based on eased ratio
global.fake_progress = eased_ratio * global.fake_progress_limit;
# Update progress bar with fake progress
update_progress_bar(global.fake_progress);
}
}
Plymouth.SetRefreshFunction (refresh_callback);
#----------------------------------------- Helper Functions --------------------------------
fun update_progress_bar(progress)
{
width = Math.Int(progress_bar.original_image.GetWidth() * progress);
if (width < 1) width = 1; # Ensure minimum width of 1 pixel
progress_bar.image = progress_bar.original_image.Scale(width, progress_bar.original_image.GetHeight());
progress_bar.sprite.SetImage(progress_bar.image);
}
fun show_progress_bar()
{
progress_box.sprite.SetOpacity(1);
progress_bar.sprite.SetOpacity(1);
}
fun hide_progress_bar()
{
progress_box.sprite.SetOpacity(0);
progress_bar.sprite.SetOpacity(0);
}
fun show_password_dialog()
{
lock.sprite.SetOpacity(1);
entry.sprite.SetOpacity(1);
}
fun hide_password_dialog()
{
lock.sprite.SetOpacity(0);
entry.sprite.SetOpacity(0);
for (index = 0; bullet.sprites[index]; index++)
bullet.sprites[index].SetOpacity(0);
}
fun start_fake_progress()
{
global.fake_progress = 0.0;
global.real_progress = 0.0;
global.fake_progress_active = 1;
global.animation_frame = 0;
update_progress_bar(0.0);
}
fun stop_fake_progress()
{
global.fake_progress_active = 0;
}
#----------------------------------------- Dialogue --------------------------------
# Dialog elements - create once, reuse
lock.image = Image("lock.png");
entry.image = Image("entry.png");
bullet.image = Image("bullet.png");
entry.sprite = Sprite(entry.image);
entry.x = Window.GetX() + Window.GetWidth()/2 - entry.image.GetWidth() / 2;
entry.y = logo.sprite.GetY() + logo.image.GetHeight() + 40;
entry.sprite.SetPosition(entry.x, entry.y, 10001);
entry.sprite.SetOpacity(0);
lock.sprite = Sprite(lock.image);
lock.x = entry.x - lock.image.GetWidth() - 10;
lock.y = entry.y + entry.image.GetHeight()/2 - lock.image.GetHeight()/2;
lock.sprite.SetPosition(lock.x, lock.y, 10001);
lock.sprite.SetOpacity(0);
# Bullet array
bullet.sprites = [];
fun display_normal_callback ()
{
hide_password_dialog();
# Get current mode
mode = Plymouth.GetMode();
# Only require password_shown check for boot and resume modes
show_progress = 0;
if ((mode == "boot" || mode == "resume") && global.password_shown == 1)
show_progress = 1;
else if (mode != "boot" && mode != "resume")
show_progress = 1;
if (show_progress == 1)
{
show_progress_bar();
start_fake_progress();
}
}
fun display_password_callback (prompt, bullets)
{
global.password_shown = 1; # Mark that password dialog has been shown
stop_fake_progress();
hide_progress_bar();
show_password_dialog();
# Clear all bullets first
for (index = 0; bullet.sprites[index]; index++)
bullet.sprites[index].SetOpacity(0);
# Create and show bullets for current password
for (index = 0; index < bullets; index++)
{
if (!bullet.sprites[index])
{
bullet.sprites[index] = Sprite(bullet.image);
bullet.x = entry.x + 20 + index * (bullet.image.GetWidth() + 5);
bullet.y = entry.y + entry.image.GetHeight() / 2 - bullet.image.GetHeight() / 2;
bullet.sprites[index].SetPosition(bullet.x, bullet.y, 10002);
}
bullet.sprites[index].SetOpacity(1);
}
}
Plymouth.SetDisplayNormalFunction(display_normal_callback);
Plymouth.SetDisplayPasswordFunction(display_password_callback);
#----------------------------------------- Progress Bar --------------------------------
progress_box.image = Image("progress_box.png");
progress_box.sprite = Sprite(progress_box.image);
progress_box.x = Window.GetX() + Window.GetWidth() / 2 - progress_box.image.GetWidth() / 2;
progress_box.y = entry.y + entry.image.GetHeight() / 2 - progress_box.image.GetHeight() / 2;
progress_box.sprite.SetPosition(progress_box.x, progress_box.y, 0);
progress_box.sprite.SetOpacity(0);
progress_bar.original_image = Image("progress_bar.png");
progress_bar.sprite = Sprite();
progress_bar.image = progress_bar.original_image.Scale(1, progress_bar.original_image.GetHeight());
progress_bar.x = Window.GetX() + Window.GetWidth() / 2 - progress_bar.original_image.GetWidth() / 2;
progress_bar.y = progress_box.y + (progress_box.image.GetHeight() - progress_bar.original_image.GetHeight()) / 2;
progress_bar.sprite.SetPosition(progress_bar.x, progress_bar.y, 1);
progress_bar.sprite.SetOpacity(0);
fun progress_callback (duration, progress)
{
global.real_progress = progress;
# If real progress is above limit, stop fake progress and use real progress
if (progress > global.fake_progress_limit)
{
stop_fake_progress();
update_progress_bar(progress);
}
}
Plymouth.SetBootProgressFunction(progress_callback);
#----------------------------------------- Quit --------------------------------
fun quit_callback ()
{
logo.sprite.SetOpacity (1);
}
Plymouth.SetQuitFunction(quit_callback);
#----------------------------------------- Message --------------------------------
message_sprite = Sprite();
message_sprite.SetPosition(10, 10, 10000);
fun display_message_callback (text)
{
my_image = Image.Text(text, 1, 1, 1);
message_sprite.SetImage(my_image);
}
fun hide_message_callback (text)
{
message_sprite.SetOpacity(0);
}
Plymouth.SetDisplayMessageFunction (display_message_callback);
Plymouth.SetHideMessageFunction (hide_message_callback);

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#!/usr/bin/env bash
# Install Plymouth package
echo "Installing Plymouth..."
yay -S --noconfirm --needed plymouth
# Skip if plymouth already exists for some reason
if ! grep -q "^HOOKS=.*plymouth" /etc/mkinitcpio.conf; then
# Backup original mkinitcpio.conf just in case
backup_timestamp=$(date +"%Y%m%d%H%M%S")
sudo cp /etc/mkinitcpio.conf "/etc/mkinitcpio.conf.bak.${backup_timestamp}"
# Add plymouth to HOOKS array after 'base udev' or 'base systemd'
if grep "^HOOKS=" /etc/mkinitcpio.conf | grep -q "base systemd"; then
sudo sed -i '/^HOOKS=/s/base systemd/base systemd plymouth/' /etc/mkinitcpio.conf
elif grep "^HOOKS=" /etc/mkinitcpio.conf | grep -q "base udev"; then
sudo sed -i '/^HOOKS=/s/base udev/base udev plymouth/' /etc/mkinitcpio.conf
else
echo "Couldn't add the Plymouth hook"
fi
else
echo "Plymouth already present in mkinitcpio.conf HOOKS"
fi
# Regenerate initramfs
sudo mkinitcpio -P
# Add kernel parameters for Plymouth (systemd-boot only)
if [ -d "/boot/loader/entries" ]; then
echo "Detected systemd-boot"
for entry in /boot/loader/entries/*.conf; do
if [ -f "$entry" ]; then
# Skip fallback entries
if [[ "$(basename "$entry")" == *"fallback"* ]]; then
echo "Skipped: $(basename "$entry") (fallback entry)"
continue
fi
# Skip if splash it already present for some reason
if ! grep -q "splash" "$entry"; then
sudo sed -i '/^options/ s/$/ splash quiet/' "$entry"
else
echo "Skipped: $(basename "$entry") (splash already present)"
fi
fi
done
elif [ -f "/etc/default/grub" ]; then
# Backup GRUB config before modifying
backup_timestamp=$(date +"%Y%m%d%H%M%S")
sudo cp /etc/default/grub "/etc/default/grub.bak.${backup_timestamp}"
# Check if splash is already in GRUB_CMDLINE_LINUX_DEFAULT
if ! grep -q "GRUB_CMDLINE_LINUX_DEFAULT.*splash" /etc/default/grub; then
# Get current GRUB_CMDLINE_LINUX_DEFAULT value
current_cmdline=$(grep "^GRUB_CMDLINE_LINUX_DEFAULT=" /etc/default/grub | cut -d'"' -f2)
# Add splash and quiet if not present
new_cmdline="$current_cmdline"
if [[ ! "$current_cmdline" =~ splash ]]; then
new_cmdline="$new_cmdline splash"
fi
if [[ ! "$current_cmdline" =~ quiet ]]; then
new_cmdline="$new_cmdline quiet"
fi
# Trim any leading/trailing spaces
new_cmdline=$(echo "$new_cmdline" | xargs)
sudo sed -i "s/^GRUB_CMDLINE_LINUX_DEFAULT=\".*\"/GRUB_CMDLINE_LINUX_DEFAULT=\"$new_cmdline\"/" /etc/default/grub
# Regenerate grub config
sudo grub-mkconfig -o /boot/grub/grub.cfg
else
echo "GRUB already configured with splash kernel parameters"
fi
else
echo ""
echo "Neither systemd-boot nor GRUB detected. Please manually add these kernel parameters:"
echo " - splash (to see the graphical splash screen)"
echo " - quiet (for silent boot)"
echo ""
fi
# Copy and set the Plymouth theme
sudo cp -r "$HOME/.local/share/omarchy/default/plymouth" /usr/share/plymouth/themes/omarchy/
sudo plymouth-set-default-theme -R omarchy

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#!/usr/bin/env bash
# Run Plymouth installation script
echo "Install Plymouth splash screen"
bash "$HOME/.local/share/omarchy/install/plymouth.sh"