QNX: Added warning messages when icon/splashscreens are too big

Change-Id: Idbad2d7c4760188c01c463a48317a407dc496914
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>

src/plugins/qnx/bardescriptoreditorwidget.cpp

@@ -83,6 +83,16 @@ void setCheckBoxBlocked(QCheckBox *checkBox, bool check)
     checkBox->setChecked(check);
     checkBox->blockSignals(blocked);
 }
+
+// Recommended maximum size for icons according to
+// http://developer.blackberry.com/native/documentation/bb10/com.qnx.doc.native_sdk.devguide/com.qnx.doc.native_sdk.devguide/topic/r_barfile_dtd_ref_image.html
+static int AppIconMaxWidth = 114;
+static int AppIconMaxHeight = 114;
+
+// Recommended maximum size for splashscreens according to
+// http://developer.blackberry.com/native/documentation/bb10/com.qnx.doc.native_sdk.devguide/com.qnx.doc.native_sdk.devguide/topic/r_barfile_dtd_ref_splashscreens.html
+static int SplashScreenMaxWidth = 1280;
+static int SplashScreenMaxHeight = 1280;
 }
 
 BarDescriptorEditorWidget::BarDescriptorEditorWidget(QWidget *parent)
@@ -166,12 +176,19 @@ void BarDescriptorEditorWidget::initApplicationPage()
     m_ui->iconFilePath->setExpectedKind(Utils::PathChooser::File);
     m_ui->iconFilePath->setPromptDialogFilter(tr("Images (*.jpg *.png)"));
 
+    m_ui->iconWarningLabel->setVisible(false);
+    m_ui->iconWarningPixmap->setVisible(false);
+
+    m_ui->splashScreenWarningLabel->setVisible(false);
+    m_ui->splashScreenWarningPixmap->setVisible(false);
+
     connect(m_ui->applicationName, SIGNAL(textChanged(QString)), this, SLOT(setDirty()));
     connect(m_ui->applicationDescription, SIGNAL(textChanged()), this, SLOT(setDirty()));
 
     connect(m_ui->iconFilePath, SIGNAL(changed(QString)), this, SLOT(setDirty()));
     connect(m_ui->iconFilePath, SIGNAL(changed(QString)), this, SLOT(addImageAsAsset(QString)));
     connect(m_ui->iconFilePath, SIGNAL(changed(QString)), this, SLOT(setApplicationIconPreview(QString)));
+    connect(m_ui->iconFilePath, SIGNAL(changed(QString)), this, SLOT(validateIconSize(QString)));
     connect(m_ui->iconClearButton, SIGNAL(clicked()), m_ui->iconFilePath->lineEdit(), SLOT(clear()));
 
     m_splashScreenModel = new QStringListModel(this);
@@ -452,6 +469,7 @@ void BarDescriptorEditorWidget::setApplicationIconDelayed(const QString &iconPat
     const QString fullIconPath = localAssetPathFromDestination(iconPath);
     setPathBlocked(m_ui->iconFilePath, fullIconPath);
     setApplicationIconPreview(fullIconPath);
+    validateIconSize(fullIconPath);
 }
 
 void BarDescriptorEditorWidget::setImagePreview(QLabel *previewLabel, const QString &path)
@@ -477,11 +495,54 @@ void BarDescriptorEditorWidget::setImagePreview(QLabel *previewLabel, const QStr
     previewLabel->setPixmap(scaledPixmap);
 }
 
+void BarDescriptorEditorWidget::validateImage(const QString &path, QLabel *warningMessage, QLabel *warningPixmap, const QSize &maximumSize)
+{
+    ImageValidationResult result = Valid;
+
+    QSize actualSize;
+    if (!path.isEmpty()) {
+        QImage img(path);
+        if (img.isNull()) {
+            result = CouldNotLoad;
+        } else {
+            actualSize = img.size();
+            if (actualSize.width() > maximumSize.width() || actualSize.height() > maximumSize.height())
+                result = IncorrectSize;
+        }
+    }
+
+    switch (result) {
+    case CouldNotLoad:
+        warningMessage->setText(tr("<font color=\"red\">Could not open '%1' for reading.</font>").arg(path));
+        warningMessage->setVisible(true);
+        warningPixmap->setVisible(true);
+        break;
+    case IncorrectSize: {
+        warningMessage->setText(tr("<font color=\"red\">The selected image is too big (%1x%2). The maximum size is %3x%4 pixels.</font>")
+                                .arg(actualSize.width()).arg(actualSize.height())
+                                .arg(maximumSize.width()).arg(maximumSize.height()));
+        warningMessage->setVisible(true);
+        warningPixmap->setVisible(true);
+        break;
+    }
+    case Valid:
+    default:
+        warningMessage->setVisible(false);
+        warningPixmap->setVisible(false);
+        break;
+    }
+}
+
 void BarDescriptorEditorWidget::setApplicationIconPreview(const QString &path)
 {
     setImagePreview(m_ui->iconPreviewLabel, path);
 }
 
+void BarDescriptorEditorWidget::validateIconSize(const QString &path)
+{
+    validateImage(path, m_ui->iconWarningLabel, m_ui->iconWarningPixmap, QSize(AppIconMaxWidth, AppIconMaxHeight));
+}
+
 void BarDescriptorEditorWidget::appendSplashScreenDelayed(const QString &splashScreenPath)
 {
     const QString fullSplashScreenPath = localAssetPathFromDestination(splashScreenPath);
@@ -538,11 +599,19 @@ void BarDescriptorEditorWidget::handleSplashScreenSelectionChanged(const QItemSe
     if (!emptySelection) {
         QString path = m_splashScreenModel->data(selected.indexes().at(0), Qt::DisplayRole).toString();
         setImagePreview(m_ui->splashScreenPreviewLabel, path);
+        validateSplashScreenSize(path);
     } else {
         setImagePreview(m_ui->splashScreenPreviewLabel, QString());
+        m_ui->splashScreenWarningLabel->setVisible(false);
+        m_ui->splashScreenWarningPixmap->setVisible(false);
     }
 }
 
+void BarDescriptorEditorWidget::validateSplashScreenSize(const QString &path)
+{
+    validateImage(path, m_ui->splashScreenWarningLabel, m_ui->splashScreenWarningPixmap, QSize(SplashScreenMaxWidth, SplashScreenMaxHeight));
+}
+
 void BarDescriptorEditorWidget::addAsset(const BarDescriptorAsset &asset)
 {
     disconnectAssetsModel();

src/plugins/qnx/bardescriptoreditorwidget.h

@@ -146,13 +146,21 @@ private slots:
 
     void setApplicationIconDelayed(const QString &iconPath);
     void setApplicationIconPreview(const QString &path);
+    void validateIconSize(const QString &path);
 
     void appendSplashScreenDelayed(const QString &splashScreenPath);
     void browseForSplashScreen();
     void removeSelectedSplashScreen();
     void handleSplashScreenSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
+    void validateSplashScreenSize(const QString &path);
 
 private:
+    enum ImageValidationResult {
+        Valid,
+        CouldNotLoad,
+        IncorrectSize
+    };
+
     BarDescriptorEditor *createEditor();
 
     void initGeneralPage();
@@ -172,6 +180,7 @@ private:
     QString localAssetPathFromDestination(const QString &path);
 
     void setImagePreview(QLabel *previewLabel, const QString &path);
+    void validateImage(const QString &path, QLabel *warningMessage, QLabel *warningPixmap, const QSize &maximumSize);
 
     mutable Core::IEditor *m_editor;
 

src/plugins/qnx/bardescriptoreditorwidget.ui

@@ -162,7 +162,7 @@
          <x>0</x>
          <y>0</y>
          <width>1014</width>
-         <height>810</height>
+         <height>854</height>
         </rect>
        </property>
        <layout class="QVBoxLayout" name="verticalLayout_7">
@@ -231,14 +231,14 @@
              </item>
             </layout>
            </item>
-           <item row="6" column="0">
+           <item row="7" column="0">
             <widget class="QLabel" name="label_8">
              <property name="text">
               <string>Splash screens:</string>
              </property>
             </widget>
            </item>
-           <item row="7" column="0" colspan="2">
+           <item row="9" column="0" colspan="2">
             <layout class="QHBoxLayout" name="horizontalLayout_4">
              <item>
               <widget class="QListView" name="splashScreensView"/>
@@ -325,6 +325,40 @@
              </property>
             </widget>
            </item>
+           <item row="6" column="1">
+            <widget class="QLabel" name="iconWarningLabel">
+             <property name="text">
+              <string/>
+             </property>
+            </widget>
+           </item>
+           <item row="6" column="0">
+            <widget class="QLabel" name="iconWarningPixmap">
+             <property name="text">
+              <string/>
+             </property>
+             <property name="pixmap">
+              <pixmap resource="../projectexplorer/projectexplorer.qrc">:/projectexplorer/images/compile_warning.png</pixmap>
+             </property>
+            </widget>
+           </item>
+           <item row="10" column="0">
+            <widget class="QLabel" name="splashScreenWarningPixmap">
+             <property name="text">
+              <string/>
+             </property>
+             <property name="pixmap">
+              <pixmap resource="../projectexplorer/projectexplorer.qrc">:/projectexplorer/images/compile_warning.png</pixmap>
+             </property>
+            </widget>
+           </item>
+           <item row="10" column="1">
+            <widget class="QLabel" name="splashScreenWarningLabel">
+             <property name="text">
+              <string/>
+             </property>
+            </widget>
+           </item>
           </layout>
          </widget>
         </item>
@@ -542,6 +576,8 @@
    <container>1</container>
   </customwidget>
  </customwidgets>
- <resources/>
+ <resources>
+  <include location="../projectexplorer/projectexplorer.qrc"/>
+ </resources>
  <connections/>
 </ui>