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Add optional config flag to launch program #4

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Add optional config flag to launch program #4

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79ab263
Replace glib with gio
ngencokamin Mar 14, 2026
25897ea
Update readme
ngencokamin Mar 14, 2026
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3 changes: 2 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ Here's an initial example to get started:
"hide_keybind": "<super>n",
"bindings": [
{ "wmclass": "^Slack$", "keybind": "<super>i" },
{ "wmclass": "^kitty$", "keybind": "<super>Return" }
{ "wmclass": "^kitty$", "keybind": "<super>Return", "launch_cmd": "kitty" }
]
}
```
Expand All @@ -48,6 +48,7 @@ measure:
* `wmclass`: regex used to target a window based on its class
* `title`: regex used to target a window based on its title
* `keybind`: shortcut in `[<Modifiers>+]<keycode>` notation
* `launch_cmd`: optional command to run to launch the program if there are no windows open. can be ommitted.

> [!NOTE]
> You only need to specify `wmclass` _or_ `title`. Of the two, `wmclass` is
Expand Down
27 changes: 22 additions & 5 deletions extension.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,8 @@
import { Extension } from 'resource:///org/gnome/shell/extensions/extension.js';
import Config from './config.js';
import KeyBinder from './keybinder.js';
import Window from './window.js';
import { Extension } from "resource:///org/gnome/shell/extensions/extension.js";
import Gio from "gi://Gio";
import Config from "./config.js";
import KeyBinder from "./keybinder.js";
import Window from "./window.js";

export default class ScratchpadExtension extends Extension {
enable() {
Expand Down Expand Up @@ -30,7 +31,22 @@ export default class ScratchpadExtension extends Extension {
toggleWindow(binding) {
let win = Window.find(binding);

if (win === null) { return; }
if (!win) {
if (binding.launch_cmd && !this._launching) {
this._launching = true;
const cmd = binding.launch_cmd.split(' ');
try {
Gio.Subprocess.new(cmd, Gio.SubprocessFlags.NONE);
} catch (e) {
log(
`[gnome-scratchpad] failed to launch [cmd=${binding.launch_cmd}]: ${e.message}`)
} finally {
setTimeout(() => { this._launching = false; }, 1000);
}
}

return;
}

if (win.focused()) {
win.hide();
Expand All @@ -40,6 +56,7 @@ export default class ScratchpadExtension extends Extension {
}
}


hideWindows() {
for (const binding of this.config.bindings) {
Window.find(binding)?.hide();
Expand Down