Make remaining C files build against gtk4

Next step: the app doesn't run because the .UI file contains
incompatibilities with gtk4 after conversion.

1 files changed, 67 insertions, 54 deletions

diff --git a/src/scale.c b/src/scale.c
index 7e6686b..180a0c3 100644
--- a/src/scale.c
+++ b/src/scale.c
@@ -1,39 +1,44 @@
+/* vim: colorcolumn=80 ts=4 sw=4
+ */
 /*
  * scale.c
  *
- * Copyright (C) 2002 Sun Microsystems, Inc.
+ * Copyright © 2002 Sun Microsystems, Inc.
+ * Copyright © 2021 Logan Rathbone
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
- * Authors: Lucas Rocha <lucasr@gnome.org>
+ * Original Author: Lucas Rocha <lucasr@gnome.org>
  */
 
-#include "config.h"
 
 #include "util.h"
 #include "zenity.h"
 
+#include <config.h>
+
 static GtkWidget *scale;
 
 static void zenity_scale_value_changed (GtkWidget *widget, gpointer data);
-static void zenity_scale_dialog_response (
-	GtkWidget *widget, int response, gpointer data);
+static void zenity_scale_dialog_response (GtkWidget *widget, int response,
+		gpointer data);
 
 void
-zenity_scale (ZenityData *data, ZenityScaleData *scale_data) {
+zenity_scale (ZenityData *data, ZenityScaleData *scale_data)
+{
 	GtkBuilder *builder;
 	GtkWidget *dialog;
 	GtkWidget *button;
@@ -53,81 +58,83 @@ zenity_scale (ZenityData *data, ZenityScaleData *scale_data) {
 		GTK_WIDGET (gtk_builder_get_object (builder, "zenity_scale_hscale"));
 	text = gtk_builder_get_object (builder, "zenity_scale_text");
 
-	g_signal_connect (G_OBJECT (dialog),
-		"response",
-		G_CALLBACK (zenity_scale_dialog_response),
-		data);
+	g_signal_connect (dialog, "response",
+		G_CALLBACK(zenity_scale_dialog_response), data);
 
-	if (scale_data->min_value >= scale_data->max_value) {
-		g_printerr (_ ("Maximum value must be greater than minimum value.\n"));
+	if (scale_data->min_value >= scale_data->max_value)
+	{
+		g_printerr (_("Maximum value must be greater than minimum value.\n"));
 		data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
 		return;
 	}
 
 	if (scale_data->value < scale_data->min_value ||
-		scale_data->value > scale_data->max_value) {
+		scale_data->value > scale_data->max_value)
+	{
 		g_printerr (_ ("Value out of range.\n"));
 		data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
 		return;
 	}
 
-	gtk_builder_connect_signals (builder, NULL);
-
 	if (data->dialog_title)
 		gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);
 
-	zenity_util_set_window_icon (
-		dialog, data->window_icon, ZENITY_IMAGE_FULLPATH ("zenity-scale.png"));
+	zenity_util_set_window_icon (dialog, data->window_icon,
+			ZENITY_IMAGE_FULLPATH ("zenity-scale.png"));
 
-	if (data->width > -1 || data->height > -1)
-		gtk_window_set_default_size (
-			GTK_WINDOW (dialog), data->width, data->height);
+	if (data->width > -1 || data->height > -1) {
+		gtk_window_set_default_size (GTK_WINDOW(dialog),
+				data->width, data->height);
+	}
 
 	if (data->modal)
-		gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
-
-	if (data->extra_label) {
-		gint i = 0;
-		while (data->extra_label[i] != NULL) {
-			gtk_dialog_add_button (
-				GTK_DIALOG (dialog), data->extra_label[i], i);
-			i++;
+		gtk_window_set_modal (GTK_WINDOW(dialog), TRUE);
+
+	if (data->extra_label)
+	{
+		for (int i = 0; data->extra_label[i] != NULL; ++i)
+		{
+			gtk_dialog_add_button (GTK_DIALOG (dialog),
+					data->extra_label[i], i);
 		}
 	}
 
 	if (data->ok_label) {
-		button = GTK_WIDGET (
-			gtk_builder_get_object (builder, "zenity_scale_ok_button"));
+		button = GTK_WIDGET(gtk_builder_get_object (builder,
+					"zenity_scale_ok_button"));
 		gtk_button_set_label (GTK_BUTTON (button), data->ok_label);
 	}
 
-	if (data->cancel_label) {
-		button = GTK_WIDGET (
-			gtk_builder_get_object (builder, "zenity_scale_cancel_button"));
+	if (data->cancel_label)
+	{
+		button = GTK_WIDGET (gtk_builder_get_object (builder,
+					"zenity_scale_cancel_button"));
 		gtk_button_set_label (GTK_BUTTON (button), data->cancel_label);
 	}
 
-	if (scale_data->dialog_text)
-		gtk_label_set_markup (
-			GTK_LABEL (text), g_strcompress (scale_data->dialog_text));
+	if (scale_data->dialog_text) {
+		gtk_label_set_markup (GTK_LABEL (text),
+				g_strcompress (scale_data->dialog_text));
+	}
 
-	gtk_range_set_range (
-		GTK_RANGE (scale), scale_data->min_value, scale_data->max_value);
+	gtk_range_set_range (GTK_RANGE (scale),
+			scale_data->min_value, scale_data->max_value);
 	gtk_range_set_value (GTK_RANGE (scale), scale_data->value);
 	gtk_range_set_increments (GTK_RANGE (scale), scale_data->step, 0);
 
 	if (scale_data->print_partial)
-		g_signal_connect (G_OBJECT (scale),
-			"value-changed",
-			G_CALLBACK (zenity_scale_value_changed),
-			data);
+	{
+		g_signal_connect (scale, "value-changed",
+			G_CALLBACK(zenity_scale_value_changed), data);
+	}
 
 	if (scale_data->hide_value)
 		gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
 
-	zenity_util_show_dialog (dialog, data->attach);
+	zenity_util_show_dialog (dialog);
 
-	if (data->timeout_delay > 0) {
+	if (data->timeout_delay > 0)
+	{
 		g_timeout_add_seconds (data->timeout_delay,
 			(GSourceFunc) zenity_util_timeout_handle,
 			dialog);
@@ -135,19 +142,22 @@ zenity_scale (ZenityData *data, ZenityScaleData *scale_data) {
 
 	g_object_unref (builder);
 
-	gtk_main ();
+	zenity_util_gapp_main (GTK_WINDOW(dialog));
 }
 
 static void
-zenity_scale_value_changed (GtkWidget *widget, gpointer data) {
-	g_print ("%.0f\n", gtk_range_get_value (GTK_RANGE (widget)));
+zenity_scale_value_changed (GtkWidget *widget, gpointer data)
+{
+	g_print ("%.0f\n", gtk_range_get_value (GTK_RANGE(widget)));
 }
 
 static void
-zenity_scale_dialog_response (GtkWidget *widget, int response, gpointer data) {
+zenity_scale_dialog_response (GtkWidget *widget, int response, gpointer data)
+{
 	ZenityData *zen_data = data;
 
-	switch (response) {
+	switch (response)
+	{
 		case GTK_RESPONSE_OK:
 			zenity_util_exit_code_with_data (ZENITY_OK, zen_data);
 			g_print ("%.0f\n", gtk_range_get_value (GTK_RANGE (scale)));
@@ -164,10 +174,13 @@ zenity_scale_dialog_response (GtkWidget *widget, int response, gpointer data) {
 
 		default:
 			if (zen_data->extra_label &&
-				response < g_strv_length (zen_data->extra_label))
+				response < (int)g_strv_length (zen_data->extra_label))
+			{
 				printf ("%s\n", zen_data->extra_label[response]);
+			}
 			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
 			break;
 	}
-	gtk_main_quit ();
+
+	zenity_util_gapp_quit (GTK_WINDOW(widget));
 }