Until Adobe possibly offer such a thing, a script can be used to create a larger prompt:
/*
Large Generative Fill Prompt Window.jsx
Stephen Marsh
v1.0 - 15th January 2025: Initial release
https://community.adobe.com/t5/photoshop-ecosystem-ideas/please-please-create-a-larger-generative-ai-prompt-field/idi-p/15663704
*/
#target photoshop
(function () {
var win = new Window("dialog", "Large Generative Fill Prompt Window");
win.orientation = "column";
win.alignChildren = ["fill", "top"];
win.preferredSize = [700, 350];
var panel = win.add("panel", undefined, "Prompt");
panel.orientation = "column";
panel.alignChildren = ["fill", "fill"];
panel.margins = 10;
panel.alignment = ["fill", "fill"];
var inputField = panel.add("edittext", undefined, "", {
multiline: true,
scrolling: true
});
inputField.minimumSize = [0, 200];
inputField.alignment = ["fill", "fill"];
var optionsGroup = panel.add("group");
optionsGroup.orientation = "column";
optionsGroup.alignChildren = "left";
var showDialogCheckbox = optionsGroup.add(
"checkbox",
undefined,
"Show Generative Fill dialog"
);
showDialogCheckbox.value = true;
var copyClipboardCheckbox = optionsGroup.add(
"checkbox",
undefined,
"Copy prompt to clipboard"
);
copyClipboardCheckbox.value = false;
var buttonGroup = win.add("group");
buttonGroup.orientation = "row";
buttonGroup.alignment = "right";
var cancelBtn = buttonGroup.add("button", undefined, "Cancel");
var okBtn = buttonGroup.add("button", undefined, "OK");
win.onResizing = win.onResize = function () {
this.layout.resize();
};
okBtn.onClick = function () {
if (!inputField.text) {
alert("Please enter a prompt.");
return;
}
var prompt = inputField.text;
if (copyClipboardCheckbox.value) {
var d = new ActionDescriptor();
d.putString(stringIDToTypeID("textData"), prompt);
executeAction(
stringIDToTypeID("textToClipboard"),
d,
DialogModes.NO
);
}
var dialogMode = showDialogCheckbox.value
? DialogModes.ALL
: DialogModes.NO;
win.close();
app.refresh();
$.sleep(100);
generativeFill(prompt, dialogMode);
};
cancelBtn.onClick = function () {
win.close();
};
win.center();
win.show();
})();
function generativeFill(promptText, dialogMode) {
var idsyntheticFill = stringIDToTypeID("syntheticFill");
var desc299 = new ActionDescriptor();
var ref20 = new ActionReference();
ref20.putEnumerated(
stringIDToTypeID("document"),
stringIDToTypeID("ordinal"),
stringIDToTypeID("targetEnum")
);
desc299.putReference(stringIDToTypeID("null"), ref20);
desc299.putInteger(stringIDToTypeID("documentID"), 64);
desc299.putInteger(stringIDToTypeID("layerID"), 43);
desc299.putString(stringIDToTypeID("prompt"), promptText);
desc299.putString(stringIDToTypeID("serviceID"), "clio");
desc299.putEnumerated(
stringIDToTypeID("workflowType"),
stringIDToTypeID("genWorkflow"),
stringIDToTypeID("in_painting")
);
var desc300 = new ActionDescriptor();
var desc301 = new ActionDescriptor();
desc301.putString(stringIDToTypeID("gi_PROMPT"), promptText);
desc301.putString(stringIDToTypeID("gi_MODE"), "ginp");
desc301.putInteger(stringIDToTypeID("gi_SEED"), -1);
desc301.putInteger(stringIDToTypeID("gi_NUM_STEPS"), -1);
desc301.putInteger(stringIDToTypeID("gi_GUIDANCE"), 6);
desc301.putInteger(stringIDToTypeID("gi_SIMILARITY"), 0);
desc301.putBoolean(stringIDToTypeID("gi_CROP"), false);
desc301.putBoolean(stringIDToTypeID("gi_DILATE"), false);
desc301.putInteger(stringIDToTypeID("gi_CONTENT_PRESERVE"), 0);
desc301.putBoolean(stringIDToTypeID("gi_ENABLE_PROMPT_FILTER"), true);
desc301.putBoolean(stringIDToTypeID("dualCrop"), true);
desc301.putString(
stringIDToTypeID("gi_ADVANCED"),
'{"enable_mts":true}'
);
desc300.putObject(
stringIDToTypeID("clio"),
stringIDToTypeID("clio"),
desc301
);
desc299.putObject(
stringIDToTypeID("serviceOptionsList"),
stringIDToTypeID("null"),
desc300
);
try {
executeAction(idsyntheticFill, desc299, dialogMode);
} catch (e) {}
}
Copy the code text to the clipboard
Open a new blank file in a plain-text editor (not in a word processor)
Paste the code in
Save as a plain text format file – .txt
Rename the saved file extension from .txt to .jsx
Install or browse to the .jsx file to run (see below):
https://prepression.blogspot.com/2017/11/downloading-and-installing-adobe-scripts.html
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