Allow to click on heading to ellipsize it

glade/mainWindow.glade

@@ -317,17 +317,22 @@
                     <property name="margin_right">4</property>
                     <property name="margin_top">2</property>
                     <property name="margin_bottom">2</property>
+                    <child>
+                      <object class="GtkEventBox" id="summaryEventBox">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
                         <child>
                           <object class="GtkLabel" id="labelSummary">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
                             <property name="label" translatable="yes">Please select an entry in the list above.</property>
                             <property name="wrap">True</property>
-                        <property name="wrap_mode">word-char</property>
                             <attributes>
                               <attribute name="scale" value="1.3999999999999999"/>
                             </attributes>
                           </object>
+                        </child>
+                      </object>
                       <packing>
                         <property name="expand">False</property>
                         <property name="fill">True</property>

src/mainwindow.c

@@ -412,6 +412,11 @@ static void mainWindow_connect_signals(struct mainWindow *mainWindow)
 			 "clicked",
 			 (GCallback) mainWindow_decrypt_gpg_clicked,
 			 mainWindow);
+
+	g_signal_connect(mainWindow->summaryEventBox,
+			 "button-press-event",
+			 (GCallback) mainWindow_toggleSummaryWrap,
+			 mainWindow);
 }
 
 /**
@@ -541,6 +546,7 @@ struct mainWindow *mainWindow_new()
 	mainWindow->checkSearchSummary    = GTK_WIDGET(gtk_builder_get_object(builder, "checkSearchSummary"));
 	mainWindow->checkSearchTags       = GTK_WIDGET(gtk_builder_get_object(builder, "checkSearchTags"));
 	mainWindow->checkSearchText       = GTK_WIDGET(gtk_builder_get_object(builder, "checkSearchText"));
+	mainWindow->summaryEventBox	  = GTK_WIDGET(gtk_builder_get_object(builder, "summaryEventBox"));
 	mainWindow->labelSummary	  = GTK_WIDGET(gtk_builder_get_object(builder, "labelSummary"));
 	mainWindow->buttonClearSearch	  = GTK_WIDGET(gtk_builder_get_object(builder, "buttonClearSearch"));
 	mainWindow->headerBar		  = GTK_WIDGET(gtk_builder_get_object(builder, "headerBar"));
@@ -1038,3 +1044,25 @@ void mainWindow_decrypt_gpg_clicked(GtkWidget *widget, gpointer user_data)
 		g_print("ERROR: This should never happen...\n");
 	}
 }
+
+/**
+ * @brief mainWindow_toggleSummaryWrap toggles line-wrapping and ellipsize on the summary
+ * @param widget
+ * @param event
+ * @param user_data
+ * @return
+ */
+gboolean mainWindow_toggleSummaryWrap(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+	struct mainWindow *mainWindow = (struct mainWindow *)user_data;
+	gboolean state;
+
+	state = gtk_label_get_line_wrap(GTK_LABEL(mainWindow->labelSummary));
+
+	gtk_label_set_ellipsize(GTK_LABEL(mainWindow->labelSummary),
+				!state ? PANGO_ELLIPSIZE_NONE : PANGO_ELLIPSIZE_END);
+
+	gtk_label_set_line_wrap(GTK_LABEL(mainWindow->labelSummary), !state);
+
+	return FALSE;
+}

src/mainwindow.h

@@ -37,6 +37,7 @@ struct mainWindow {
 	GtkWidget *checkSearchSummary;
 	GtkWidget *checkSearchTags;
 	GtkWidget *checkSearchText;
+	GtkWidget *summaryEventBox;
 	GtkWidget *labelSummary;
 	GtkWidget *buttonClearSearch;
 	GtkWidget *headerBar;
@@ -108,5 +109,6 @@ void mainWindow_switch_workspace(struct mainWindow *mainWindow, gchar *path, gbo
 void mainWindow_decrypt_gpg_clicked(GtkWidget *widget, gpointer user_data);
 void mainWindow_renderer_set(struct mainWindow *mainWindow, enum renderer_mode state);
 void mainWindow_settings_show(struct mainWindow *mainWindow);
+gboolean mainWindow_toggleSummaryWrap(GtkWidget *widget, GdkEvent *event, gpointer user_data);
 
 #endif /* MAINWINDOW_H */