Merge branch 'master' into multiple_apis

src/danbooru_client.desktop

@@ -1,9 +1,9 @@
 [Desktop Entry]
 Name=Danbooru Client
-Exec=danbooru-client
+Exec=danbooru_client
 Icon=danbooru_client
 Type=Application
 X-DocPath=danbooru-client/index.html
 GenericName=A KF5-based client for Danbooru-style image boards
 Terminal=false
-Categories=Graphics;Viewer
+Categories=Graphics;Viewer

src/danboorusearchwidget.cpp

@@ -29,6 +29,9 @@ DanbooruSearchWidget::DanbooruSearchWidget(QWidget *parent): QWidget(parent)
 {
     setupUi(this);
 
+    tagLineEdit->setPlaceholderText(i18n("Type search tags."));
+    tagLineEdit->setToolTip(i18n("Type search tags. An empty string searches all posts."));
+
     connect(searchButton, &QPushButton::clicked, this, &DanbooruSearchWidget::accept);
     connect(tagLineEdit, &QLineEdit::returnPressed, this, &DanbooruSearchWidget::accept);
     connect(closeButton, &QPushButton::clicked, [this]() {
@@ -49,10 +52,6 @@ QStringList DanbooruSearchWidget::selectedTags() const
 void DanbooruSearchWidget::accept()
 {
 
-    if (tagLineEdit->text().isEmpty()) {
-        return;
-    }
-
     m_tags = tagLineEdit->text().split(",");
     Q_EMIT(accepted());
 }

src/libdanbooru/danbooruservice.cpp

@@ -428,6 +428,12 @@ void DanbooruService::processPostList(KJob *job)
 
     // How many posts do we have to fetch?
 
+    if (postList.isEmpty()) {
+        qCDebug(LIBDANBOORU) << "No posts found";
+        Q_EMIT(postDownloadFinished());
+        return;
+    }
+
     m_postsToFetch = postList.length();
 
     for (auto element : postList) {

src/qml/danbooruimageview.qml

@@ -49,11 +49,17 @@ Rectangle {
     }
 
     onDownloadFinished: {
+
         grid.opacity = 1
         runningIndicator.running = false
+
+        if (danbooruModel.rowCount() == 0) {
+            warnLabel.visible = true
+        }
     }
 
     onDownloadStarted: {
+        warnLabel.visible = false
         grid.opacity = 0.5
         runningIndicator.running = true
     }
@@ -68,6 +74,20 @@ Rectangle {
         running: false
     }
 
+    Label {
+        id: warnLabel
+        z: 1
+        width: grid.cellWidth / 2
+        height: grid.cellHeight / 2
+        anchors.horizontalCenter: parent.horizontalCenter
+        anchors.verticalCenter: parent.verticalCenter
+        visible: false
+        text: "No posts found."
+        color: black
+
+
+    }
+
     Component {
         id: highlight
         Rectangle {