Allow the user to save his drawings.

mainwindow.cpp

@@ -5,6 +5,7 @@
 #include "drawscene.h"
 #include <QDebug>
 #include <QFile>
+#include <QFileDialog>
 #include <QBuffer>
 
 MainWindow::MainWindow(QWidget *parent) :
@@ -45,10 +46,12 @@ void MainWindow::setpencolor(QColor color)
 void MainWindow::deletemoreform()
 {
     mf->deleteLater();
+    ui->graphicsView->show();
     mf=0;
+    ui->morebutton->setText(tr("More"));
 }
 
-void MainWindow::saveactualpage()
+void MainWindow::saveactualpage(QString filename)
 {
     QImage* image=new QImage(QSize((int)ui->graphicsView->scene()->width(),(int)ui->graphicsView->scene()->height()),QImage::Format_RGB32);
     QPainter* painter=new QPainter(image);
@@ -58,7 +61,7 @@ void MainWindow::saveactualpage()
     QBuffer buffer(&ba);
     buffer.open(QIODevice::WriteOnly);
     image->save(&buffer, "PNG");
-    QString filename=QString("/tmp/quickpen-").append(QString::number(page).append(QString(".png")));
+    if (filename==QString()) filename=QString("/tmp/quickpen-").append(QString::number(page).append(QString(".png")));
     QFile* file1=new QFile(filename);
     file1->open(QIODevice::WriteOnly);
     image->save(file1, "PNG");
@@ -93,12 +96,21 @@ void MainWindow::on_morebutton_clicked()
 {
     if (mf)
     {
-        mf->deleteLater();
-        mf=0;
+        deletemoreform();
     }
     else
     {
         mf=new MoreForm(this);
-        ui->gridLayout->addWidget(mf,3,1);
+        ui->morebutton->setText(tr("Less"));
+        ui->graphicsView->hide();
+        ui->gridLayout->addWidget(mf,1,0,1,3);
     }
 }
+
+
+void MainWindow::on_pushButton_2_clicked()
+{
+    qDebug() << "entering";
+    QString filename=QFileDialog::getSaveFileName(0);
+
+}

mainwindow.h

@@ -17,6 +17,7 @@ class MainWindow : public QMainWindow {
     int page;
     void setpencolor(QColor color);
     void deletemoreform();
+    void saveactualpage(QString filename=QString());
 
 protected:
     void changeEvent(QEvent *e);
@@ -27,11 +28,12 @@ class MainWindow : public QMainWindow {
     QColor pencolor;
 
 private slots:
-    void saveactualpage();
+
     void loadpage(int page);
     void on_nextbutton_clicked();
     void on_prevbutton_clicked();
     void on_morebutton_clicked();
+    void on_pushButton_2_clicked();
 };
 
 #endif // MAINWINDOW_H

mainwindow.ui

@@ -21,6 +21,12 @@
    <layout class="QGridLayout" name="gridLayout">
     <item row="0" column="0">
      <widget class="QCommandLinkButton" name="prevbutton">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
       <property name="text">
        <string>Previous page</string>
       </property>
@@ -32,6 +38,12 @@
     </item>
     <item row="0" column="2">
      <widget class="QCommandLinkButton" name="nextbutton">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
       <property name="text">
        <string>Next page</string>
       </property>
@@ -46,6 +58,12 @@
     </item>
     <item row="0" column="1">
      <widget class="QCommandLinkButton" name="morebutton">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
       <property name="text">
        <string>More</string>
       </property>

moreform.cpp

@@ -2,6 +2,7 @@
 #include "moreform.h"
 #include "ui_moreform.h"
 #include <QDebug>
+#include <QFileDialog>
 
 MoreForm::MoreForm(MainWindow *parent1) :
     ui(new Ui::MoreForm)
@@ -68,3 +69,9 @@ void MoreForm::on_turquoise_clicked()
     parent->setpencolor(QColor("turquoise"));
     parent->deletemoreform();
 }
+
+void MoreForm::on_savebutton_clicked()
+{
+    //TODO: What if the user cancels the dialog?
+    parent->saveactualpage(QFileDialog::getSaveFileName(0));
+}

moreform.h

@@ -35,6 +35,8 @@ private slots:
 
     void on_turquoise_clicked();
 
+    void on_savebutton_clicked();
+
 private:
     Ui::MoreForm *ui;
     MainWindow* parent;