Initial import: clean snapshot from /home/olafn/infoscreen-dev (2025-10-25)
This commit is contained in:
RobbStarkAustria
163
scripts/present-pdf-auto-advance.sh
Executable file
163
scripts/present-pdf-auto-advance.sh
Executable file
@@ -0,0 +1,163 @@
|
||||
#!/bin/bash
|
||||
# PDF Presentation with Auto-Advance
|
||||
# Works for both native PDF and converted PPTX files
|
||||
|
||||
PDF_FILE="$1"
|
||||
INTERVAL="${2:-10}"
|
||||
LOOP="${3:-false}"
|
||||
|
||||
if [ -z "$PDF_FILE" ]; then
|
||||
echo "Usage: $0 <file.pdf> [interval-seconds] [loop:true|false]"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -f "$PDF_FILE" ]; then
|
||||
echo "Error: File not found: $PDF_FILE"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "=========================================="
|
||||
echo " PDF Presentation Mode"
|
||||
echo "=========================================="
|
||||
echo ""
|
||||
echo "File: $(basename "$PDF_FILE")"
|
||||
echo "Auto-advance: ${INTERVAL}s per slide"
|
||||
echo "Loop: $LOOP"
|
||||
echo ""
|
||||
|
||||
# Count pages in PDF
|
||||
PAGE_COUNT=$(pdfinfo "$PDF_FILE" 2>/dev/null | grep "Pages:" | awk '{print $2}')
|
||||
|
||||
if [ -z "$PAGE_COUNT" ] || [ "$PAGE_COUNT" -eq 0 ]; then
|
||||
echo "Warning: Could not determine page count, assuming 10 pages"
|
||||
PAGE_COUNT=10
|
||||
else
|
||||
echo "Detected $PAGE_COUNT pages"
|
||||
fi
|
||||
|
||||
echo ""
|
||||
|
||||
# Check for required tools
|
||||
if ! command -v xdotool &> /dev/null; then
|
||||
echo "Error: xdotool not installed"
|
||||
echo "Install with: sudo apt-get install xdotool"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Choose best PDF viewer (prefer Impressive for auto-advance)
|
||||
PDF_VIEWER=""
|
||||
PDF_VIEWER_CMD=""
|
||||
|
||||
if command -v impressive &> /dev/null; then
|
||||
PDF_VIEWER="impressive"
|
||||
PDF_VIEWER_CMD="impressive --fullscreen --nooverview --auto $INTERVAL"
|
||||
|
||||
if [ "$LOOP" = "true" ]; then
|
||||
PDF_VIEWER_CMD="$PDF_VIEWER_CMD --wrap"
|
||||
else
|
||||
PDF_VIEWER_CMD="$PDF_VIEWER_CMD --autoquit"
|
||||
fi
|
||||
|
||||
# Impressive handles auto-advance natively, no xdotool needed!
|
||||
echo "Using Impressive (built-in auto-advance)..."
|
||||
$PDF_VIEWER_CMD "$PDF_FILE"
|
||||
exit 0
|
||||
|
||||
elif command -v evince &> /dev/null; then
|
||||
PDF_VIEWER="evince"
|
||||
PDF_VIEWER_CMD="evince --presentation"
|
||||
elif command -v okular &> /dev/null; then
|
||||
PDF_VIEWER="okular"
|
||||
PDF_VIEWER_CMD="okular --presentation"
|
||||
else
|
||||
echo "Error: No suitable PDF viewer found"
|
||||
echo "Install impressive: sudo apt-get install impressive"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "Using PDF viewer: $PDF_VIEWER"
|
||||
echo "Starting presentation mode..."
|
||||
echo ""
|
||||
|
||||
# Start PDF viewer in presentation mode
|
||||
$PDF_VIEWER_CMD "$PDF_FILE" &
|
||||
VIEWER_PID=$!
|
||||
|
||||
echo "Viewer PID: $VIEWER_PID"
|
||||
echo "Waiting for viewer to start..."
|
||||
sleep 5
|
||||
|
||||
# Verify it's still running
|
||||
if ! ps -p $VIEWER_PID > /dev/null 2>&1; then
|
||||
echo "Error: PDF viewer exited unexpectedly"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "Starting auto-advance..."
|
||||
echo "Press Ctrl+C to stop"
|
||||
echo ""
|
||||
|
||||
# Auto-advance loop
|
||||
CURRENT_PAGE=1
|
||||
MAX_LOOPS=0
|
||||
|
||||
if [ "$LOOP" = "false" ]; then
|
||||
# Calculate total slides to advance (pages - 1, since we start on page 1)
|
||||
MAX_ADVANCES=$((PAGE_COUNT - 1))
|
||||
else
|
||||
# Infinite loop
|
||||
MAX_ADVANCES=999999
|
||||
fi
|
||||
|
||||
ADVANCE_COUNT=0
|
||||
|
||||
while ps -p $VIEWER_PID > /dev/null 2>&1 && [ $ADVANCE_COUNT -lt $MAX_ADVANCES ]; do
|
||||
sleep $INTERVAL
|
||||
|
||||
# Find the PDF viewer window
|
||||
VIEWER_WINDOW=$(xdotool search --pid $VIEWER_PID 2>/dev/null | tail -1)
|
||||
|
||||
if [ -z "$VIEWER_WINDOW" ]; then
|
||||
# Fallback: search by window name
|
||||
VIEWER_WINDOW=$(xdotool search --name "$(basename "$PDF_FILE")" 2>/dev/null | tail -1)
|
||||
fi
|
||||
|
||||
if [ -n "$VIEWER_WINDOW" ]; then
|
||||
# Ensure window is focused
|
||||
xdotool windowactivate --sync "$VIEWER_WINDOW" 2>/dev/null
|
||||
sleep 0.2
|
||||
|
||||
# Send Right Arrow or Page Down (both work in most PDF viewers)
|
||||
xdotool key --clearmodifiers --window "$VIEWER_WINDOW" Right
|
||||
|
||||
CURRENT_PAGE=$((CURRENT_PAGE + 1))
|
||||
ADVANCE_COUNT=$((ADVANCE_COUNT + 1))
|
||||
|
||||
echo "[$(date '+%H:%M:%S')] Advanced to page $CURRENT_PAGE"
|
||||
|
||||
# Check if we've reached the end
|
||||
if [ $CURRENT_PAGE -gt $PAGE_COUNT ]; then
|
||||
if [ "$LOOP" = "true" ]; then
|
||||
echo "Reached end, looping back to start..."
|
||||
CURRENT_PAGE=1
|
||||
else
|
||||
echo ""
|
||||
echo "Reached end of presentation (page $PAGE_COUNT)"
|
||||
echo "Keeping viewer open..."
|
||||
# Keep viewer running, just stop advancing
|
||||
wait $VIEWER_PID
|
||||
exit 0
|
||||
fi
|
||||
fi
|
||||
else
|
||||
# Fallback: send key to active window
|
||||
xdotool key --clearmodifiers Right
|
||||
CURRENT_PAGE=$((CURRENT_PAGE + 1))
|
||||
ADVANCE_COUNT=$((ADVANCE_COUNT + 1))
|
||||
echo "[$(date '+%H:%M:%S')] Advanced (fallback) #$ADVANCE_COUNT"
|
||||
fi
|
||||
done
|
||||
|
||||
echo ""
|
||||
echo "Presentation ended"
|
||||
exit 0
|
||||
Reference in New Issue
Block a user