Added popover dialog for dat entry using calendar

glade/mainWindow.glade

@@ -64,8 +64,8 @@
                   <object class="GtkEntry" id="dateStart">
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
-                    <property name="width_chars">9</property>
+                    <property name="width_chars">10</property>
-                    <property name="text" translatable="yes">00.00.0000</property>
+                    <property name="text" translatable="yes">0000-00-00</property>
                   </object>
                   <packing>
                     <property name="expand">True</property>
@@ -89,8 +89,8 @@
                   <object class="GtkEntry" id="dateEnd">
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
-                    <property name="width_chars">9</property>
+                    <property name="width_chars">10</property>
-                    <property name="text" translatable="yes">00.00.0000</property>
+                    <property name="text" translatable="yes">0000-00-00</property>
                   </object>
                   <packing>
                     <property name="expand">True</property>
@@ -185,6 +185,7 @@
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">True</property>
+                <signal name="clicked" handler="mainWindow_chooseWorkspaceClicked" swapped="no"/>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -197,4 +198,17 @@
       </object>
     </child>
   </object>
+  <object class="GtkPopover" id="popoverDate">
+    <property name="can_focus">False</property>
+    <property name="relative_to">dateStart</property>
+    <child>
+      <object class="GtkCalendar" id="calendarRange">
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="year">2017</property>
+        <property name="month">1</property>
+        <property name="day">1</property>
+      </object>
+    </child>
+  </object>
 </interface>

src/mainwindow.c

@@ -63,6 +63,20 @@ static void mainWindow_configure_treeView(struct mainWindow *mainWindow)
 			   COL_TAGS, "F",
 			   COL_TIMESTAMP, 11,
 			   -1);
+
+	/* debug 2 code here */
+	g_signal_connect(mainWindow->dateStart,
+			 "focus-in-event",
+			 mainWindow_showPopover,
+			 mainWindow);
+	g_signal_connect(mainWindow->dateEnd,
+			 "focus-in-event",
+			 mainWindow_showPopover,
+			 mainWindow);
+	g_signal_connect(mainWindow->calendarRange,
+			 "day-selected",
+			 mainWindow_calendarSelected,
+			 mainWindow);
 }
 
 struct mainWindow *mainWindow_new()
@@ -79,6 +93,8 @@ struct mainWindow *mainWindow_new()
 	mainWindow->dateStart             = GTK_WIDGET(gtk_builder_get_object(builder, "dateStart"));
 	mainWindow->dateEnd               = GTK_WIDGET(gtk_builder_get_object(builder, "dateEnd"));
 	mainWindow->entryText             = GTK_WIDGET(gtk_builder_get_object(builder, "entryText"));
+	mainWindow->popoverDate           = GTK_WIDGET(gtk_builder_get_object(builder, "popoverDate"));
+	mainWindow->calendarRange         = GTK_WIDGET(gtk_builder_get_object(builder, "calendarRange"));
 	mainWindow->entryListView         = GTK_TREE_VIEW(gtk_builder_get_object(builder, "entryListView"));
 	mainWindow->entryListStore        = GTK_LIST_STORE(gtk_builder_get_object(builder, "entryListStore"));
 
@@ -90,3 +106,34 @@ struct mainWindow *mainWindow_new()
 
 	return mainWindow;
 }
+
+void mainWindow_chooseWorkspaceClicked(GtkWidget *widget, gint event, gpointer user_data)
+{
+	printf("Choose workspace.\n");
+	fflush(stdout);
+}
+
+void mainWindow_showPopover(GtkWidget *widget,  GdkEvent *event, gpointer user_data)
+{
+	struct mainWindow *mainWindow = (struct mainWindow *)user_data;
+
+	mainWindow->selectedDateEntry = widget;
+
+	if (!gtk_widget_get_visible(mainWindow->popoverDate))
+		gtk_popover_popup(GTK_POPOVER(mainWindow->popoverDate));
+	gtk_popover_set_relative_to(GTK_POPOVER(mainWindow->popoverDate), widget);
+}
+
+void mainWindow_calendarSelected(GtkWidget *widget, gpointer user_data)
+{
+	struct mainWindow *mainWindow = (struct mainWindow *)user_data;
+	guint year, month, day;
+	gchar *text;
+
+	gtk_calendar_get_date(GTK_CALENDAR(mainWindow->calendarRange), &year, &month, &day);
+	text = g_strdup_printf("%d-%02d-%02d", year, month, day);
+	gtk_entry_set_text(GTK_ENTRY(mainWindow->selectedDateEntry), text);
+	g_free(text);
+
+	gtk_popover_popdown(GTK_POPOVER(mainWindow->popoverDate));
+}

src/mainwindow.h

@@ -11,10 +11,19 @@ struct mainWindow {
 	GtkWidget *dateStart;
 	GtkWidget *dateEnd;
 	GtkWidget *entryText;
+	GtkWidget *popoverDate;
+	GtkWidget *calendarRange;
 	GtkTreeView *entryListView;
 	GtkListStore *entryListStore;
+
+	GtkWidget *selectedDateEntry;
 };
 
 struct mainWindow *mainWindow_new();
 
+/* Slots */
+void mainWindow_showPopover(GtkWidget *widget, GdkEvent *event, gpointer user_data);
+void mainWindow_chooseWorkspaceClicked(GtkWidget *widget, gint event, gpointer user_data);
+void mainWindow_calendarSelected(GtkWidget *widget, gpointer user_data);
+
 #endif /* MAINWINDOW_H */