1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
package tmuxedit
import (
"fmt"
"os"
"os/exec"
"strings"
)
type tmuxEditDeps struct {
runCommand func(string, ...string) ([]byte, error)
capturePane func(string) (string, error)
openEditorPopup func(string, string, string) (string, error)
sendKeys func(string, ...string) error
sendRepeatedKey func(string, string, int) error
sleepAfterClear func()
sleepAfterEscape func()
launchPopup func(string, string, string, string) error
}
func (d tmuxEditDeps) command(name string, args ...string) ([]byte, error) {
if d.runCommand != nil {
return d.runCommand(name, args...)
}
return exec.Command(name, args...).Output()
}
// resolveTargetPane determines which tmux pane to target using a fallback
// chain: explicit flag > HEXAI_TMUX_PANE env var > tmux query for active pane.
// Returns the pane ID (e.g. "%5") or an error.
func resolveTargetPane(flagPane string) (string, error) {
return tmuxEditDeps{}.resolveTargetPane(flagPane)
}
func (d tmuxEditDeps) resolveTargetPane(flagPane string) (string, error) {
// 1. Explicit --pane flag
if p := strings.TrimSpace(flagPane); p != "" {
return p, nil
}
// 2. Environment variable
if p := strings.TrimSpace(os.Getenv("HEXAI_TMUX_PANE")); p != "" {
return p, nil
}
// 3. Query tmux for the active pane in the current window
return d.queryActivePane()
}
// queryActivePane asks tmux for the active pane ID using display-message.
func queryActivePane() (string, error) {
return tmuxEditDeps{}.queryActivePane()
}
func (d tmuxEditDeps) queryActivePane() (string, error) {
out, err := d.command("tmux", "display-message", "-p", "#{pane_id}")
if err != nil {
return "", fmt.Errorf("cannot determine tmux pane: %w", err)
}
pane := strings.TrimSpace(string(out))
if pane == "" {
return "", fmt.Errorf("tmux returned empty pane ID")
}
return pane, nil
}
|
