From 0683d57a1d07423eba1511a19621e0272468dd40 Mon Sep 17 00:00:00 2001
From: Flavio Tordini <flavio.tordini@gmail.com>
Date: Tue, 30 Jun 2009 21:40:50 +0200
Subject: [PATCH] Enable watch button only when there is a keyword

---
 src/SearchView.cpp | 8 +++++++-
 src/SearchView.h   | 2 ++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/SearchView.cpp b/src/SearchView.cpp
index 96e26b3..c1f2cbe 100644
--- a/src/SearchView.cpp
+++ b/src/SearchView.cpp
@@ -47,12 +47,14 @@ SearchView::SearchView(QWidget *parent) : QWidget(parent) {
     queryEdit->setFocus(Qt::OtherFocusReason);
     // connect(queryEdit, SIGNAL(returnPressed()), this, SLOT(watch()));
     connect(queryEdit, SIGNAL(search(const QString&)), this, SLOT(watch(const QString&)));
+    connect(queryEdit, SIGNAL(textChanged(const QString &)), this, SLOT(textChanged(const QString &)));
     searchLayout->addWidget(queryEdit);
 
     searchLayout->addSpacing(10);
 
-    QPushButton *watchButton = new QPushButton(tr("Watch"), this);
+    watchButton = new QPushButton(tr("Watch"), this);
     watchButton->setDefault(true);
+    watchButton->setEnabled(false);
     connect(watchButton, SIGNAL(clicked()), this, SLOT(watch()));
     searchLayout->addWidget(watchButton);
 
@@ -135,6 +137,10 @@ void SearchView::watch() {
     watch(query);
 }
 
+void SearchView::textChanged(const QString &text) {
+    watchButton->setEnabled(!text.trimmed().isEmpty());
+}
+
 void SearchView::watch(QString query) {
 
     // check for empty query
diff --git a/src/SearchView.h b/src/SearchView.h
index 519c666..e033c15 100644
--- a/src/SearchView.h
+++ b/src/SearchView.h
@@ -40,6 +40,7 @@ signals:
 
 private slots:
     void watch();
+    void textChanged(const QString &text);
 
 private:
     void updateRecentKeywords();
@@ -49,6 +50,7 @@ private:
     QLabel *recentKeywordsLabel;
     QVBoxLayout *recentKeywordsLayout;
     QLabel *message;
+    QPushButton *watchButton;
 
     UpdateChecker *updateChecker;
 
-- 
2.39.5