137 lines
No EOL
4.3 KiB
Go
137 lines
No EOL
4.3 KiB
Go
//go:build linux
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// X11 window capture using XGetImage.
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package backends
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import (
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"fmt"
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"image"
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"git.cloonar.com/openclawd/iso-bot/pkg/engine/capture"
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)
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// X11Config holds configuration for X11 window capture.
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type X11Config struct {
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// WindowTitle is the window title to search for.
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WindowTitle string `yaml:"window_title"`
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// WindowClass is the WM_CLASS property to match.
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WindowClass string `yaml:"window_class"`
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// Display is the X11 display to connect to (e.g., ":0").
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Display string `yaml:"display"`
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// IncludeDecorations captures window decorations (title bar, borders).
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IncludeDecorations bool `yaml:"include_decorations"`
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}
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// X11Source captures from an X11 window using XGetImage.
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type X11Source struct {
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config X11Config
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display uintptr // *Display
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window uint64 // Window ID
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width int
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height int
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}
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// NewX11Source creates an X11 window capture source.
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func NewX11Source(configMap map[string]interface{}) (capture.Source, error) {
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var config X11Config
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// Extract config from map
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if title, ok := configMap["window_title"].(string); ok {
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config.WindowTitle = title
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}
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if class, ok := configMap["window_class"].(string); ok {
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config.WindowClass = class
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}
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if display, ok := configMap["display"].(string); ok {
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config.Display = display
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} else {
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config.Display = ":0" // Default display
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}
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if decorations, ok := configMap["include_decorations"].(bool); ok {
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config.IncludeDecorations = decorations
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}
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// Validate config
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if config.WindowTitle == "" && config.WindowClass == "" {
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return nil, fmt.Errorf("either window_title or window_class must be specified")
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}
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return &X11Source{
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config: config,
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}, nil
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}
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// Name returns a description of this capture source.
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func (x *X11Source) Name() string {
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if x.config.WindowTitle != "" {
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return fmt.Sprintf("X11 Window: %s", x.config.WindowTitle)
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}
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return fmt.Sprintf("X11 Window Class: %s", x.config.WindowClass)
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}
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// Capture grabs a single frame from the X11 window.
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func (x *X11Source) Capture() (image.Image, error) {
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// TODO: Implement X11 window capture
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// 1. Open X11 display connection
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// 2. Find window by title/class using XQueryTree and property queries
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// 3. Get window geometry with XGetGeometry
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// 4. Use XGetImage to capture window content
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// 5. Convert XImage to Go image.RGBA
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return nil, fmt.Errorf("X11 capture not implemented yet")
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}
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// CaptureRegion grabs a sub-region of the X11 window.
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func (x *X11Source) CaptureRegion(r capture.Region) (image.Image, error) {
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// TODO: Implement region capture
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// Use XGetImage with x, y, width, height parameters for the region
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return nil, fmt.Errorf("X11 region capture not implemented yet")
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}
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// Size returns the window dimensions.
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func (x *X11Source) Size() (width, height int) {
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// TODO: Get actual window size from XGetGeometry
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return x.width, x.height
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}
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// Close releases X11 resources.
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func (x *X11Source) Close() error {
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// TODO: Close X11 display connection and free resources
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return nil
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}
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// connectToDisplay opens a connection to the X11 display.
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func (x *X11Source) connectToDisplay() error {
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// TODO: Use XOpenDisplay to connect to X server
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// Store display pointer in x.display
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return fmt.Errorf("X11 display connection not implemented")
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}
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// findWindow searches for a window by title or class.
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func (x *X11Source) findWindow() (uint64, error) {
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// TODO: Implement window search
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// 1. Get root window with XDefaultRootWindow
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// 2. Recursively search window tree with XQueryTree
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// 3. For each window, check _NET_WM_NAME (title) and WM_CLASS properties
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// 4. Return matching window ID
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return 0, fmt.Errorf("X11 window search not implemented")
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}
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// getWindowGeometry retrieves window position and size.
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func (x *X11Source) getWindowGeometry() (int, int, int, int, error) {
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// TODO: Use XGetGeometry to get window bounds
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// Return x, y, width, height, error
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return 0, 0, 0, 0, fmt.Errorf("X11 geometry query not implemented")
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}
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// captureWindowImage captures the window content as an XImage.
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func (x *X11Source) captureWindowImage() (image.Image, error) {
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// TODO: Implement XGetImage capture
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// 1. Get window geometry
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// 2. Use XGetImage(display, window, x, y, width, height, AllPlanes, ZPixmap)
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// 3. Convert XImage pixel data to image.RGBA
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// 4. Handle different bit depths and byte orders
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return nil, fmt.Errorf("X11 image capture not implemented")
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} |