new scale dialog for selecting a value from a range (Fixes #322399).

2005-12-13  Lucas Rocha  <lucasr@gnome.org>

        * data/Makefile.am, data/zenity-scale.png,
        src/Makefile.am, src/main.c, src/option.c,
        src/option.h, src/scale.c, src/zenity.glade,
        src/zenity.h: new scale dialog for selecting a
        value from a range (Fixes #322399).

1 files changed, 122 insertions, 0 deletions

diff --git a/src/scale.c b/src/scale.c
new file mode 100644
index 0000000..228995e
--- /dev/null
+++ b/src/scale.c
@@ -0,0 +1,122 @@
+/*
+ * scale.c
+ *
+ * Copyright (C) 2002 Sun Microsystems, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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.
+ *
+ * You should have received a copy of the GNU Library 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>
+ */
+
+#include "config.h"
+
+#include <glade/glade.h>
+#include "zenity.h"
+#include "util.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);
+
+void 
+zenity_scale (ZenityData *data, ZenityScaleData *scale_data)
+{
+  GladeXML *glade_dialog;
+  GtkWidget *dialog;
+  GtkWidget *text;
+
+  glade_dialog = zenity_util_load_glade_file ("zenity_scale_dialog");
+  dialog = glade_xml_get_widget (glade_dialog, "zenity_scale_dialog");
+  scale = glade_xml_get_widget (glade_dialog, "zenity_scale_hscale");
+  text = glade_xml_get_widget (glade_dialog, "zenity_scale_text");
+
+  g_signal_connect (G_OBJECT (dialog), "response",
+                    G_CALLBACK (zenity_scale_dialog_response), data);
+	
+  if (glade_dialog == NULL) {
+    data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
+    return;
+  }
+
+  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) {
+    g_printerr (_("Value out of range.\n")); 
+    data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
+    return;
+  }
+
+  glade_xml_signal_autoconnect (glade_dialog);
+        
+  if (glade_dialog)
+    g_object_unref (glade_dialog);
+
+  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"));
+  
+  if (data->width > -1 || data->height > -1)
+    gtk_window_set_default_size (GTK_WINDOW (dialog), data->width, data->height);
+        
+  if (scale_data->dialog_text) 
+    gtk_label_set_markup (GTK_LABEL (text), g_strcompress (scale_data->dialog_text));
+
+  gtk_range_set_value (GTK_RANGE (scale), scale_data->value);
+  gtk_range_set_range (GTK_RANGE (scale), scale_data->min_value, scale_data->max_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);
+  
+  zenity_util_show_dialog (dialog);
+  gtk_main ();
+}
+
+static void
+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)
+{
+  ZenityData *zen_data = data;
+
+  switch (response) {
+    case GTK_RESPONSE_OK:
+      zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
+      g_print ("%.0f\n", gtk_range_get_value (GTK_RANGE (scale)));
+      break;
+
+    case GTK_RESPONSE_CANCEL:
+      zen_data->exit_code = zenity_util_return_exit_code (ZENITY_CANCEL);
+      break;
+
+    default:
+      zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
+      break;
+  }
+  gtk_main_quit ();
+}