97f993db7b
When a card using the FCP driver is added at runtime, we need to wait for fcp-server to finish creating all the controls before we attempt to enumerate them.
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
// SPDX-FileCopyrightText: 2025 Geoffrey D. Bennett <g@b4.vu>
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include <gtk/gtk.h>
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#include "alsa.h"
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#include "iface-waiting.h"
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#include "scarlett2-ioctls.h"
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#include "window-iface.h"
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// Structure to hold timeout-related widgets
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struct timeout_data {
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GtkWidget *box;
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GtkWidget *spinner;
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GtkWidget *message_label;
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guint timeout_id;
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};
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// Timeout callback function
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static gboolean on_timeout(gpointer user_data) {
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struct timeout_data *data = (struct timeout_data *)user_data;
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// Remove spinner
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gtk_box_remove(GTK_BOX(data->box), data->spinner);
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// Update message with clickable link
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if (data->message_label && GTK_IS_WIDGET(data->message_label))
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gtk_label_set_markup(
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GTK_LABEL(data->message_label),
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"Driver not detected. Please ensure "
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"<span font='monospace'>fcp-server</span> from "
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"<a href=\"https://github.com/geoffreybennett/fcp-support\">"
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"https://github.com/geoffreybennett/fcp-support</a> "
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"has been installed."
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);
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// Reset the timeout ID since it won't be called again
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data->timeout_id = 0;
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// Return FALSE to prevent the timeout from repeating
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return FALSE;
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}
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// Weak reference callback for cleanup
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static void on_widget_dispose(gpointer data, GObject *where_the_object_was) {
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struct timeout_data *timeout_data = (struct timeout_data *)data;
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// Cancel the timeout if it's still active
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if (timeout_data->timeout_id > 0)
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g_source_remove(timeout_data->timeout_id);
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// Free the data structure
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g_free(timeout_data);
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}
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GtkWidget *create_iface_waiting_main(struct alsa_card *card) {
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struct timeout_data *data;
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// Main vertical box
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GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 20);
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gtk_widget_set_margin_start(box, 40);
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gtk_widget_set_margin_end(box, 40);
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gtk_widget_set_margin_top(box, 40);
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gtk_widget_set_margin_bottom(box, 40);
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// Heading
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GtkWidget *label = gtk_label_new(NULL);
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gtk_label_set_markup(GTK_LABEL(label),
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"<span weight='bold' size='large'>Waiting for FCP Server</span>");
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gtk_box_append(GTK_BOX(box), label);
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// Add picture (scaled down properly)
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GtkWidget *picture_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_hexpand(picture_box, TRUE);
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gtk_widget_set_halign(picture_box, GTK_ALIGN_CENTER);
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GtkWidget *picture = gtk_picture_new_for_resource(
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"/vu/b4/alsa-scarlett-gui/icons/vu.b4.alsa-scarlett-gui.png"
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);
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gtk_picture_set_can_shrink(GTK_PICTURE(picture), TRUE);
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gtk_widget_set_size_request(picture, 128, 128);
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gtk_box_append(GTK_BOX(picture_box), picture);
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gtk_box_append(GTK_BOX(box), picture_box);
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// Add spinner
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GtkWidget *spinner = gtk_spinner_new();
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gtk_spinner_start(GTK_SPINNER(spinner));
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gtk_widget_set_size_request(spinner, 48, 48);
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gtk_box_append(GTK_BOX(box), spinner);
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// Description
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label = gtk_label_new(
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"Waiting for the user-space FCP driver to initialise..."
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);
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gtk_label_set_wrap(GTK_LABEL(label), TRUE);
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gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
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gtk_label_set_max_width_chars(GTK_LABEL(label), 1);
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gtk_widget_set_hexpand(label, TRUE);
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gtk_widget_set_halign(label, GTK_ALIGN_FILL);
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gtk_box_append(GTK_BOX(box), label);
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// Setup timeout
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data = g_new(struct timeout_data, 1);
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data->box = box;
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data->spinner = spinner;
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data->message_label = label;
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// Set timeout
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data->timeout_id = g_timeout_add_seconds(5, on_timeout, data);
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// Ensure data is freed when the box is destroyed
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g_object_weak_ref(G_OBJECT(box), on_widget_dispose, data);
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return box;
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}
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