Add form validation and loading animation

1 files changed, 52 insertions, 3 deletions

diff --git a/src/main.c b/src/main.c
index abf6ba0..b29b081 100644
--- a/src/main.c
+++ b/src/main.c
@@ -13,20 +13,24 @@ static GtkWidget *window;
 static GtkWidget *box;
 static GtkWidget *instance_name_box, *email_box, *password_box;
 static GtkWidget *submit_button;
+static GtkWidget *spinner;
 
 static void login_callback(bool success)
 {
     if (!success) {
         fprintf(stderr, "login_callback(): login failed\n");
+        gtk_spinner_stop(GTK_SPINNER(spinner));
         return;
     }
 
     printf("login success\n");
+    gtk_spinner_stop(GTK_SPINNER(spinner));
 }
 
 static void register_callback(bool success)
 {
     if (!success) {
+        gtk_spinner_stop(GTK_SPINNER(spinner));
         fprintf(stderr, "register_callback(): register failed\n");
         return;
     }
@@ -36,16 +40,19 @@ static void register_callback(bool success)
     email = gtk_entry_get_text(GTK_ENTRY(email_box));
     password = gtk_entry_get_text(GTK_ENTRY(password_box));
 
-    if(login(email, password, &login_callback)) {
+    if (login(email, password, &login_callback)) {
+        gtk_spinner_stop(GTK_SPINNER(spinner));
         return;
     }
 }
 
-static void submit_login_form() 
+static void submit_login_form()
 {
+    gtk_spinner_start(GTK_SPINNER(spinner));
     const char *instance_name;
     instance_name = gtk_entry_get_text(GTK_ENTRY(instance_name_box));
-    if(register_app(instance_name, &register_callback)) {
+    if (register_app(instance_name, &register_callback)) {
+        gtk_spinner_stop(GTK_SPINNER(spinner));
         return;
     }
 }
@@ -55,6 +62,28 @@ static void submit_button_clicked(GtkButton *button, gpointer user_data)
     submit_login_form();
 }
 
+static void form_on_activate(GtkEntry *entry, gpointer user_data)
+{
+    submit_login_form();
+}
+
+static bool is_form_valid()
+{
+    if (strlen(gtk_entry_get_text(GTK_ENTRY(instance_name_box))) < 1 ||
+            strlen(gtk_entry_get_text(GTK_ENTRY(email_box))) < 1 ||
+            strlen(gtk_entry_get_text(GTK_ENTRY(password_box))) < 1)
+        return false;
+    return true;
+}
+
+static void on_form_changed(GtkWidget *widget, gpointer data)
+{
+    if (is_form_valid())
+        gtk_widget_set_sensitive(GTK_WIDGET(submit_button), true);
+    else 
+        gtk_widget_set_sensitive(GTK_WIDGET(submit_button), false);
+}
+
 static void activate(GtkApplication *app, gpointer user_data)
 {
     window = gtk_application_window_new(app);
@@ -69,23 +98,43 @@ static void activate(GtkApplication *app, gpointer user_data)
     instance_name_box = gtk_entry_new();
     gtk_entry_set_placeholder_text(
             GTK_ENTRY(instance_name_box), "Instance domain");
+    g_signal_connect(GTK_ENTRY(instance_name_box), "activate",
+            G_CALLBACK(form_on_activate), NULL);
+    g_signal_connect(G_OBJECT(instance_name_box), "changed",
+            G_CALLBACK(on_form_changed), NULL);
 
     email_box = gtk_entry_new();
     gtk_entry_set_placeholder_text(GTK_ENTRY(email_box), "Email");
+    gtk_entry_set_input_purpose(GTK_ENTRY(email_box), GTK_INPUT_PURPOSE_EMAIL);
+    g_signal_connect(GTK_ENTRY(email_box), "activate",
+            G_CALLBACK(form_on_activate), NULL);
+    g_signal_connect(G_OBJECT(email_box), "changed",
+            G_CALLBACK(on_form_changed), NULL);
 
     password_box = gtk_entry_new();
     gtk_entry_set_placeholder_text(GTK_ENTRY(password_box), "Password");
+    gtk_entry_set_input_purpose(
+            GTK_ENTRY(password_box), GTK_INPUT_PURPOSE_PASSWORD);
+    gtk_entry_set_visibility(GTK_ENTRY(password_box), false);
+    g_signal_connect(GTK_ENTRY(password_box), "activate",
+            G_CALLBACK(form_on_activate), NULL);
+    g_signal_connect(G_OBJECT(password_box), "changed",
+            G_CALLBACK(on_form_changed), NULL);
 
     submit_button = gtk_button_new();
     g_signal_connect(GTK_BUTTON(submit_button), "clicked",
             G_CALLBACK(submit_button_clicked), G_OBJECT(window));
     gtk_button_set_label(GTK_BUTTON(submit_button), "Submit");
+    gtk_widget_set_sensitive(GTK_WIDGET(submit_button), false);
+
+    spinner = gtk_spinner_new();
 
     gtk_container_add(GTK_CONTAINER(window), box);
     gtk_container_add(GTK_CONTAINER(box), instance_name_box);
     gtk_container_add(GTK_CONTAINER(box), email_box);
     gtk_container_add(GTK_CONTAINER(box), password_box);
     gtk_container_add(GTK_CONTAINER(box), submit_button);
+    gtk_container_add(GTK_CONTAINER(box), spinner);
 
     gtk_widget_show_all(window);
 }