glade/oscplot: Fix runtime GTK3 warning when creating plot

The warning:
    (osc:17335): Gtk-WARNING **: 13:53:21.583: Content added to the action area of a dialog using header bars

The GtkDialogFileChooser that is being created via Glade has an built in GtkHeaderBar which has an action area where the 'Save' and 'Cancel' buttons are added. And this is not allowed, hence the above warning. The GTK2 version of the GtkDialogFileChooser didn't have a built in GtkHeaderBar.

The solution was to create in Glade a simple GtkDialog to which a GtkFileChooserWidget has been added. A GtkDialog does not have a built in GtkHeaderBar.

Signed-off-by: Dan Nechita <[email protected]>

Author: dNechita

Diff for: glade/oscplot.glade

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.38.2 -->
+<!-- Generated with glade 3.40.0 -->
 <interface>
   <requires lib="gtk+" version="3.0"/>
   <object class="GtkAdjustment" id="adj_add_to_sample">
@@ -1608,19 +1608,16 @@
       </object>
     </child>
   </object>
-  <object class="GtkFileChooserDialog" id="saveas_dialog">
+  <object class="GtkDialog" id="saveas_dialog">
     <property name="can-focus">False</property>
-    <property name="border-width">5</property>
     <property name="title" translatable="yes">ADI IIO oscilloscope - Save As</property>
-    <property name="role">GtkFileChooserDialog</property>
     <property name="modal">True</property>
     <property name="icon-name">adi-osc</property>
     <property name="type-hint">dialog</property>
-    <property name="action">save</property>
-    <property name="do-overwrite-confirmation">True</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="filechooserdialog-vbox3">
         <property name="can-focus">False</property>
+        <property name="orientation">vertical</property>
         <property name="spacing">2</property>
         <child internal-child="action_area">
           <object class="GtkButtonBox" id="filechooserdialog-action_area3">
@@ -1653,7 +1650,7 @@
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
-                <property name="position">5</property>
+                <property name="position">1</property>
               </packing>
             </child>
           </object>
@@ -1663,6 +1660,20 @@
             <property name="position">0</property>
           </packing>
         </child>
+        <child>
+          <object class="GtkFileChooserWidget" id="saveas_filechooser_widget">
+            <property name="visible">True</property>
+            <property name="can-focus">False</property>
+            <property name="action">select-folder</property>
+            <property name="do-overwrite-confirmation">True</property>
+            <property name="search-mode">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
         <child>
           <object class="GtkHBox" id="hbox_ch_sel_label">
             <property name="visible">True</property>

Diff for: oscplot.c

@@ -274,6 +274,7 @@ struct _OscPlotPrivate
 	GtkWidget *phase_label;
 	GtkWidget *saveas_button;
 	GtkWidget *saveas_dialog;
+	GtkFileChooser *saveas_filechooser;
 	GtkWidget *saveas_type_dialog;
 	GtkWidget *title_edit_dialog;
 	GtkWidget *fullscreen_button;
@@ -4550,14 +4551,14 @@ static void saveas_dialog_show(GtkWidget *w, OscPlot *plot)
 {
 	OscPlotPrivate *priv = plot->priv;
 
-	gtk_file_chooser_set_action(GTK_FILE_CHOOSER (priv->saveas_dialog), GTK_FILE_CHOOSER_ACTION_SAVE);
-	gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(priv->saveas_dialog), TRUE);
+	gtk_file_chooser_set_action(priv->saveas_filechooser, GTK_FILE_CHOOSER_ACTION_SAVE);
+	gtk_file_chooser_set_do_overwrite_confirmation(priv->saveas_filechooser, TRUE);
 
 	if (!priv->saveas_filename) {
-		gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER (priv->saveas_dialog), getenv("HOME"));
+		gtk_file_chooser_set_current_folder(priv->saveas_filechooser, getenv("HOME"));
 	} else {
-		if (!gtk_file_chooser_set_filename(GTK_FILE_CHOOSER (priv->saveas_dialog), priv->saveas_filename))
-			gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER (priv->saveas_dialog), getenv("HOME"));
+		if (!gtk_file_chooser_set_filename(priv->saveas_filechooser, priv->saveas_filename))
+			gtk_file_chooser_set_current_folder(priv->saveas_filechooser, getenv("HOME"));
 		g_free(priv->saveas_filename);
 		priv->saveas_filename = NULL;
 	}
@@ -4794,7 +4795,7 @@ void cb_saveas_response(GtkDialog *dialog, gint response_id, OscPlot *plot)
 	/* Save as Dialog */
 	OscPlotPrivate *priv = plot->priv;
 
-	priv->saveas_filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (priv->saveas_dialog));
+	priv->saveas_filename = gtk_file_chooser_get_filename(priv->saveas_filechooser);
 
 	if (response_id == GTK_RESPONSE_ACCEPT) {
 		gint type = gtk_combo_box_get_active(GTK_COMBO_BOX(priv->cmb_saveas_type));
@@ -6985,6 +6986,7 @@ static void create_plot(OscPlot *plot)
 	priv->phase_label = GTK_WIDGET(gtk_builder_get_object(builder, "phase_info"));
 	priv->saveas_button = GTK_WIDGET(gtk_builder_get_object(builder, "save_as"));
 	priv->saveas_dialog = GTK_WIDGET(gtk_builder_get_object(builder, "saveas_dialog"));
+	priv->saveas_filechooser = GTK_FILE_CHOOSER(gtk_builder_get_object(builder, "saveas_filechooser_widget"));
 	priv->title_edit_dialog = GTK_WIDGET(gtk_builder_get_object(builder, "dialog_plot_title_edit"));
 	priv->fullscreen_button = GTK_WIDGET(gtk_builder_get_object(builder, "fullscreen"));
 	priv->menu_fullscreen = GTK_WIDGET(gtk_builder_get_object(builder, "menuitem_fullscreen"));