Fixing application crash if images directory empty

[impuzzle] / src / settingsdialog.cpp

diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index 0c2b751..b2cb6f8 100644 (file)
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -1,3 +1,21 @@
+/*
+  Image Puzzle - A set your pieces straight game
+  Copyright (C) 2009  Timo Härkönen
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include "settingsdialog.h"
 #include "settings.h"
 #include "defines.h"
@@ -7,6 +25,12 @@
 #include <QGroupBox>
 #include <QVBoxLayout>
 #include <QHBoxLayout>
+#include <QComboBox>
+#include <QFileDialog>
+#include <QDir>
+#include <QLabel>
+
+#include <QDebug>
 
 SettingsDialog::SettingsDialog(QWidget *parent) :
         QDialog(parent)
@@ -24,12 +48,37 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
     buttonGroup_ = new QGroupBox(tr("Difficulty"));
     buttonGroup_->setLayout(buttonLayout_);
 
+    QStringList items;
+    items << DEFAULT_IMAGE_TXT << RANDOM_IMAGE_TXT << SELECT_IMAGE_TXT;
+
+    imageCombo_ = new QComboBox;
+    imageCombo_->addItems(items);
+    imageCombo_->setCurrentIndex(1);
+
+    selectedImageLabel_ = new QLabel(tr("n/a"));
+
     mainLayout_ = new QVBoxLayout;
     mainLayout_->addWidget(buttonGroup_);
+    mainLayout_->addWidget(imageCombo_);
+    mainLayout_->addWidget(selectedImageLabel_);
+
+    selectedImageLabel_->setVisible(false);
 
     setLayout(mainLayout_);
 
     connect(easyButton_, SIGNAL(toggled(bool)), this, SLOT(difficultySelectionChanged(bool)));
+    //connect(imageCombo_, SIGNAL(currentIndexChanged(QString)), this, SLOT(imageSelectionChanged(QString)));
+    connect(imageCombo_, SIGNAL(activated(QString)), this, SLOT(imageSelectionChanged(QString)));
+}
+
+int SettingsDialog::exec()
+{
+    // Making sure that a random image is picked when starting a new game after the first game (fix me)
+    if(imageCombo_->currentText() == RANDOM_IMAGE_TXT) {
+        imageSelectionChanged(RANDOM_IMAGE_TXT);
+    }
+
+    return QDialog::exec();
 }
 
 void SettingsDialog::difficultySelectionChanged(bool value)
@@ -41,3 +90,63 @@ void SettingsDialog::difficultySelectionChanged(bool value)
         Settings::instance()->setPieceCount(HARD_PIECE_COUNT);
     }
 }
+
+void SettingsDialog::imageSelectionChanged(const QString &txt)
+{
+    if(txt == RANDOM_IMAGE_TXT) {
+        qDebug() << "Random image selected";
+
+        // Get random image from ~/MyDocs/.images/
+        //TODO: images from other directories
+        QStringList filters;
+        filters << "*.jpg" << "*.png" << "*.xpm";
+
+        QDir dir(QDir::homePath() + QLatin1String("/MyDocs/.images"));
+        //dir.setNameFilters(filters);
+
+        QStringList pics = dir.entryList(filters, QDir::Files | QDir::NoSymLinks);
+
+        qDebug() << QString("pics list contains %1 entries").arg(pics.count());
+
+        if(!pics.isEmpty()) {
+            QString path = QDir::homePath() + QLatin1String("/MyDocs/.images/") + pics.at(qrand() % pics.count());
+            Settings::instance()->setImage(QPixmap(path));
+            Settings::instance()->setImagePath(path);
+        }
+        else {
+            Settings::instance()->setImage(0);
+            Settings::instance()->setImagePath("");
+        }
+
+        if(selectedImageLabel_->isVisible()) {
+            selectedImageLabel_->setVisible(false);
+        }
+    }
+    else if(txt == SELECT_IMAGE_TXT) {
+        qDebug() << "Select image... selected";
+
+        // Open file selection dialog
+        QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"),
+                                                        QDir::homePath() + QLatin1String("/MyDocs/.images"),
+                                                         tr("Images (*.png *.xpm *.jpg)"));
+
+        Settings::instance()->setImage(QPixmap(fileName));
+        Settings::instance()->setImagePath(fileName);
+
+        selectedImageLabel_->setText(fileName);
+
+        if(!selectedImageLabel_->isVisible() && !fileName.isEmpty()) {
+            selectedImageLabel_->setVisible(true);
+        }
+    }
+    else {
+        //qDebug() << "Default image selected";
+
+        Settings::instance()->setImage(0);
+        Settings::instance()->setImagePath("default");
+
+        if(selectedImageLabel_->isVisible()) {
+            selectedImageLabel_->setVisible(false);
+        }
+    }
+}