ec492658c2
Replace all 32 unchecked type assertions (result.(Type)) with safe ok-pattern checks that return descriptive errors on type mismatch. Complete stub handlers in tools_window.go (restore, title, visibility, fullscreen) and tools_layout.go (save, restore, list, delete, get, tile, snap) using proper IPC message types instead of workarounds. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
120 lines
3.9 KiB
Go
120 lines
3.9 KiB
Go
// pkg/mcp/tools_screen.go
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package mcp
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import (
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"context"
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"fmt"
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"forge.lthn.ai/core/gui/pkg/screen"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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)
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// --- screen_list ---
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type ScreenListInput struct{}
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type ScreenListOutput struct {
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Screens []screen.Screen `json:"screens"`
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}
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func (s *Subsystem) screenList(_ context.Context, _ *mcp.CallToolRequest, _ ScreenListInput) (*mcp.CallToolResult, ScreenListOutput, error) {
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result, _, err := s.core.QUERY(screen.QueryAll{})
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if err != nil {
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return nil, ScreenListOutput{}, err
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}
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screens, ok := result.([]screen.Screen)
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if !ok {
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return nil, ScreenListOutput{}, fmt.Errorf("unexpected result type from screen list query")
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}
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return nil, ScreenListOutput{Screens: screens}, nil
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}
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// --- screen_get ---
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type ScreenGetInput struct {
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ID string `json:"id"`
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}
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type ScreenGetOutput struct {
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Screen *screen.Screen `json:"screen"`
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}
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func (s *Subsystem) screenGet(_ context.Context, _ *mcp.CallToolRequest, input ScreenGetInput) (*mcp.CallToolResult, ScreenGetOutput, error) {
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result, _, err := s.core.QUERY(screen.QueryByID{ID: input.ID})
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if err != nil {
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return nil, ScreenGetOutput{}, err
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}
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scr, ok := result.(*screen.Screen)
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if !ok {
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return nil, ScreenGetOutput{}, fmt.Errorf("unexpected result type from screen get query")
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}
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return nil, ScreenGetOutput{Screen: scr}, nil
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}
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// --- screen_primary ---
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type ScreenPrimaryInput struct{}
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type ScreenPrimaryOutput struct {
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Screen *screen.Screen `json:"screen"`
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}
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func (s *Subsystem) screenPrimary(_ context.Context, _ *mcp.CallToolRequest, _ ScreenPrimaryInput) (*mcp.CallToolResult, ScreenPrimaryOutput, error) {
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result, _, err := s.core.QUERY(screen.QueryPrimary{})
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if err != nil {
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return nil, ScreenPrimaryOutput{}, err
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}
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scr, ok := result.(*screen.Screen)
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if !ok {
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return nil, ScreenPrimaryOutput{}, fmt.Errorf("unexpected result type from screen primary query")
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}
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return nil, ScreenPrimaryOutput{Screen: scr}, nil
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}
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// --- screen_at_point ---
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type ScreenAtPointInput struct {
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X int `json:"x"`
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Y int `json:"y"`
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}
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type ScreenAtPointOutput struct {
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Screen *screen.Screen `json:"screen"`
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}
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func (s *Subsystem) screenAtPoint(_ context.Context, _ *mcp.CallToolRequest, input ScreenAtPointInput) (*mcp.CallToolResult, ScreenAtPointOutput, error) {
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result, _, err := s.core.QUERY(screen.QueryAtPoint{X: input.X, Y: input.Y})
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if err != nil {
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return nil, ScreenAtPointOutput{}, err
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}
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scr, ok := result.(*screen.Screen)
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if !ok {
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return nil, ScreenAtPointOutput{}, fmt.Errorf("unexpected result type from screen at point query")
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}
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return nil, ScreenAtPointOutput{Screen: scr}, nil
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}
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// --- screen_work_areas ---
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type ScreenWorkAreasInput struct{}
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type ScreenWorkAreasOutput struct {
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WorkAreas []screen.Rect `json:"workAreas"`
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}
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func (s *Subsystem) screenWorkAreas(_ context.Context, _ *mcp.CallToolRequest, _ ScreenWorkAreasInput) (*mcp.CallToolResult, ScreenWorkAreasOutput, error) {
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result, _, err := s.core.QUERY(screen.QueryWorkAreas{})
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if err != nil {
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return nil, ScreenWorkAreasOutput{}, err
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}
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areas, ok := result.([]screen.Rect)
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if !ok {
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return nil, ScreenWorkAreasOutput{}, fmt.Errorf("unexpected result type from screen work areas query")
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}
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return nil, ScreenWorkAreasOutput{WorkAreas: areas}, nil
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}
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// --- Registration ---
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func (s *Subsystem) registerScreenTools(server *mcp.Server) {
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mcp.AddTool(server, &mcp.Tool{Name: "screen_list", Description: "List all connected displays/screens"}, s.screenList)
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mcp.AddTool(server, &mcp.Tool{Name: "screen_get", Description: "Get information about a specific screen"}, s.screenGet)
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mcp.AddTool(server, &mcp.Tool{Name: "screen_primary", Description: "Get the primary screen"}, s.screenPrimary)
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mcp.AddTool(server, &mcp.Tool{Name: "screen_at_point", Description: "Get the screen at a specific point"}, s.screenAtPoint)
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mcp.AddTool(server, &mcp.Tool{Name: "screen_work_areas", Description: "Get work areas for all screens"}, s.screenWorkAreas)
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}
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