70 lines
2.3 KiB
Go
70 lines
2.3 KiB
Go
package browser
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import "fmt"
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// pressKeyEntry define los atributos CDP de una tecla especial.
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type pressKeyEntry struct {
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vk int
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key string
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code string
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text string
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}
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// pressKeyTable mapea nombres de tecla a sus atributos CDP.
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var pressKeyTable = map[string]pressKeyEntry{
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"Enter": {vk: 13, key: "Enter", code: "Enter", text: "\r"},
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"Tab": {vk: 9, key: "Tab", code: "Tab"},
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"Escape": {vk: 27, key: "Escape", code: "Escape"},
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"Backspace": {vk: 8, key: "Backspace", code: "Backspace"},
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"Delete": {vk: 46, key: "Delete", code: "Delete"},
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"ArrowUp": {vk: 38, key: "ArrowUp", code: "ArrowUp"},
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"ArrowDown": {vk: 40, key: "ArrowDown", code: "ArrowDown"},
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"ArrowLeft": {vk: 37, key: "ArrowLeft", code: "ArrowLeft"},
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"ArrowRight": {vk: 39, key: "ArrowRight", code: "ArrowRight"},
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"Home": {vk: 36, key: "Home", code: "Home"},
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"End": {vk: 35, key: "End", code: "End"},
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"PageUp": {vk: 33, key: "PageUp", code: "PageUp"},
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"PageDown": {vk: 34, key: "PageDown", code: "PageDown"},
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"Space": {vk: 32, key: " ", code: "Space", text: " "},
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}
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// CdpPressKey pulsa una tecla especial por nombre usando Input.dispatchKeyEvent.
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// Soporta: Enter, Tab, Escape, Backspace, Delete, ArrowUp, ArrowDown, ArrowLeft,
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// ArrowRight, Home, End, PageUp, PageDown, Space.
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// Actua sobre el elemento con foco activo en la pagina.
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func CdpPressKey(c *CDPConn, keyName string) error {
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if c == nil {
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return fmt.Errorf("cdp press key: conexion nula")
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}
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entry, ok := pressKeyTable[keyName]
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if !ok {
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return fmt.Errorf("cdp press key: tecla no soportada: %s", keyName)
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}
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down := map[string]any{
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"type": "keyDown",
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"windowsVirtualKeyCode": entry.vk,
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"key": entry.key,
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"code": entry.code,
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}
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if entry.text != "" {
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down["text"] = entry.text
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}
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if _, err := c.sendCDP("Input.dispatchKeyEvent", down); err != nil {
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return fmt.Errorf("cdp press key: keyDown %q: %w", keyName, err)
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}
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up := map[string]any{
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"type": "keyUp",
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"windowsVirtualKeyCode": entry.vk,
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"key": entry.key,
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"code": entry.code,
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}
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if _, err := c.sendCDP("Input.dispatchKeyEvent", up); err != nil {
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return fmt.Errorf("cdp press key: keyUp %q: %w", keyName, err)
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}
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return nil
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}
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