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873f6ccfea
This shows how to use a layout manager in a widget, implemented in javascript. The example sets up the environment for running from the toplevel dir, assuming that the build dir is called 'build'.
51 lines
1.5 KiB
JavaScript
Executable File
51 lines
1.5 KiB
JavaScript
Executable File
#!/usr/bin/env -S GI_TYPELIB_PATH=${PWD}/build/gtk:${GI_TYPELIB_PATH} LD_PRELOAD=${LD_PRELOAD}:${PWD}/build/gtk/libgtk-4.so gjs
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imports.gi.versions['Gtk'] = '4.0';
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const GObject = imports.gi.GObject;
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const Gtk = imports.gi.Gtk;
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const DemoWidget = GObject.registerClass({
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GTypeName: 'DemoWidget',
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}, class DemoWidget extends Gtk.Widget {
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_init(params = {}) {
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super._init(params);
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let layout_manager = new Gtk.GridLayout ();
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this.set_layout_manager (layout_manager);
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this.label1 = new Gtk.Label({ label: "Red",
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hexpand: true,
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vexpand: true });
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this.label1.set_parent (this);
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let child1 = layout_manager.get_layout_child (this.label1);
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child1.set_row (0);
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child1.set_column (0);
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this.label2 = new Gtk.Label({ label: "Green",
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hexpand: true,
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vexpand: true });
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this.label2.set_parent (this);
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let child2 = layout_manager.get_layout_child (this.label2);
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child2.set_row (0);
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child2.set_column (1);
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}
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});
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// Create a new application
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let app = new Gtk.Application({ application_id: 'org.gtk.exampleapp' });
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// When the application is launched…
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app.connect('activate', () => {
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// … create a new window …
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let win = new Gtk.ApplicationWindow({ application: app });
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// … with a button in it …
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let widget = new DemoWidget();
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win.set_child(widget);
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win.present();
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});
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// Run the application
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app.run([]);
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