path: root/cad/qcad/files/patch-zzz-autosave

diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_applicationwindow.cpp ./qcad/src/qc_applicationwindow.cpp
--- ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_applicationwindow.cpp  Tue Nov 22 12:49:33 2005
+++ ./qcad/src/qc_applicationwindow.cpp Sat Aug 11 22:47:35 2007
@@ -162,6 +162,11 @@
    RS_DEBUG->print("QC_ApplicationWindow::QC_ApplicationWindow: init MDI");
     initMDI();
 
+    // Activate autosave timer
+    autosaveTimer = new QTimer(this, "autosave");
+    connect(autosaveTimer, SIGNAL(timeout()), this, SLOT(slotFileAutoSave()));
+    autosaveTimer->start(autosaveTime);
+
     // Disable menu and toolbar items
     emit windowsChanged(FALSE);
 
@@ -2133,6 +2138,9 @@
                name = w->getDocument()->getFilename();
                recentFiles->add(name);
                w->setCaption(name);
+       if (!autosaveTimer->isActive()) {
+           autosaveTimer->start(autosaveTime);
+       }
        }
         } else {
             // error
@@ -2148,6 +2156,37 @@
     QString message = tr("Saved drawing: %1").arg(name);
     statusBar()->message(message, 2000);
     commandWidget->appendHistory(message);
+}
+
+
+
+/**
+ * Autosave.
+ */
+void QC_ApplicationWindow::slotFileAutoSave() {
+    RS_DEBUG->print("QC_ApplicationWindow::slotFileAutoSave()");
+
+    statusBar()->message(tr("Auto-saving drawing..."));
+
+    QC_MDIWindow* w = getMDIWindow();
+    QString name;
+    if (w!=NULL) {
+   bool cancelled;
+   if (w->slotFileSave(cancelled, true)) {
+       // auto-save cannot be cancelled by user, so the
+       // "cancelled" parameter is a dummy
+       statusBar()->message(tr("Auto-saved drawing"), 2000);
+   } else {
+       // error
+       autosaveTimer->stop();
+       QMessageBox::information(this, QMessageBox::tr("Warning"),
+                    tr("Cannot auto-save the file\n%1\nPlease "
+                   "check the permissions.\n"
+                   "Auto-save disabled.")
+                    .arg(w->getDocument()->getAutoSaveFilename()),
+                    QMessageBox::Ok);
+   }
+    }
 }
 
 
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_applicationwindow.h ./qcad/src/qc_applicationwindow.h
--- ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_applicationwindow.h    Tue Nov 22 12:49:34 2005
+++ ./qcad/src/qc_applicationwindow.h   Sat Aug 11 22:47:35 2007
@@ -37,6 +37,7 @@
 #include <qsplitter.h>
 #include <qstatusbar.h>
 #include <qtable.h>
+#include <qtimer.h>
 #include <qtoolbar.h>
 #include <qtoolbutton.h>
 #include <qwhatsthis.h>
@@ -148,6 +149,8 @@
     void slotFileSave();
     /** saves a document under a different filename*/
     void slotFileSaveAs();
+    /** auto-save document */
+    void slotFileAutoSave();
    /** exports the document as bitmap */
    void slotFileExport();
    bool slotFileExport(const QString& name, const QString& format, 
@@ -456,6 +459,9 @@
     QAction *testResize800;
     QAction *testResize1024;
 
+    QTimer *autosaveTimer;
+
+    const static int autosaveTime = 60 * 1000; // 1 minute
 };
 
 
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_mdiwindow.cpp ./qcad/src/qc_mdiwindow.cpp
--- ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_mdiwindow.cpp  Tue Nov 22 12:49:37 2005
+++ ./qcad/src/qc_mdiwindow.cpp Sat Aug 11 22:47:35 2007
@@ -324,23 +324,32 @@
 /**
  * Saves the current file.
  *
+ * @param  isAutoSave true if this is an "autosave" operation.
+ *                    false if this is "Save" operation requested
+ *                    by the user.
  * @return true if the file was saved successfully.
  *         false if the file could not be saved or the document 
  *         is invalid.
  */
-bool QC_MDIWindow::slotFileSave(bool &cancelled) {
+bool QC_MDIWindow::slotFileSave(bool &cancelled, bool isAutoSave) {
     RS_DEBUG->print("QC_MDIWindow::slotFileSave()");
     bool ret = false;
     cancelled = false;
 
     if (document!=NULL) {
-        if (document->getFilename().isEmpty()) {
-            ret = slotFileSaveAs(cancelled);
+   if (isAutoSave) {
+       // Autosave filename is always supposed to be present.
+       // Autosave does not change the cursor.
+            ret = document->save(true);
         } else {
-            QApplication::setOverrideCursor( QCursor(Qt::WaitCursor) );
-            ret = document->save();
-            QApplication::restoreOverrideCursor();
-        }
+       if (document->getFilename().isEmpty()) {
+       ret = slotFileSaveAs(cancelled);
+       } else {
+       QApplication::setOverrideCursor( QCursor(Qt::WaitCursor) );
+       ret = document->save();
+       QApplication::restoreOverrideCursor();
+       }
+   }
     }
 
     return ret;
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_mdiwindow.h ./qcad/src/qc_mdiwindow.h
--- ../qcad-2.0.5.0-1-community.src.orig/qcad/src/qc_mdiwindow.h    Tue Nov 22 12:49:37 2005
+++ ./qcad/src/qc_mdiwindow.h   Sat Aug 11 22:47:35 2007
@@ -69,7 +69,7 @@
 
     void slotFileNew();
     bool slotFileOpen(const QString& fileName, RS2::FormatType type);
-    bool slotFileSave(bool &cancelled);
+    bool slotFileSave(bool &cancelled, bool isAutoSave=false);
     bool slotFileSaveAs(bool &cancelled);
     bool slotFileClose(bool force);
     void slotFilePrint();
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_block.cpp ./qcadlib/src/engine/rs_block.cpp
--- ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_block.cpp    Tue Nov 22 12:52:35 2005
+++ ./qcadlib/src/engine/rs_block.cpp   Sat Aug 11 22:47:35 2007
@@ -78,10 +78,10 @@
 }
 
 
-bool RS_Block::save() {
+bool RS_Block::save(bool isAutoSave) {
     RS_Graphic* g = getGraphic();
     if (g!=NULL) {
-        return g->save();
+        return g->save(isAutoSave);
     } else {
         return false;
     }
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_block.h ./qcadlib/src/engine/rs_block.h
--- ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_block.h  Tue Nov 22 12:52:38 2005
+++ ./qcadlib/src/engine/rs_block.h Sat Aug 11 22:47:35 2007
@@ -128,7 +128,7 @@
     /**
      * Reimplementation from RS_Document. Saves the parent graphic document.
      */
-    virtual bool save();
+    virtual bool save(bool isAutoSave = false);
 
     /**
      * Reimplementation from RS_Document. Does nothing.
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_document.cpp ./qcadlib/src/engine/rs_document.cpp
--- ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_document.cpp Tue Nov 22 12:52:38 2005
+++ ./qcadlib/src/engine/rs_document.cpp    Sat Aug 11 22:47:35 2007
@@ -40,6 +40,7 @@
     RS_DEBUG->print("RS_Document::RS_Document() ");
 
     filename = "";
+    autosaveFilename = "Unnamed";
    formatType = RS2::FormatUnknown;
     setModified(false);
     RS_Color col(RS2::FlagByLayer);
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_document.h ./qcadlib/src/engine/rs_document.h
--- ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_document.h   Tue Nov 22 12:52:32 2005
+++ ./qcadlib/src/engine/rs_document.h  Sat Aug 11 22:47:35 2007
@@ -53,7 +53,7 @@
     virtual RS_BlockList* getBlockList() = 0;
 
     virtual void newDoc() = 0;
-    virtual bool save() = 0;
+    virtual bool save(bool isAutoSave = false) = 0;
     virtual bool saveAs(const RS_String &filename, RS2::FormatType type) = 0;
     virtual bool open(const RS_String &filename, RS2::FormatType type) = 0;
    
@@ -98,6 +98,13 @@
     }
    
     /**
+     * @return Auto-save file name of the document currently loaded.
+     */
+    RS_String getAutoSaveFilename() const {
+        return autosaveFilename;
+    }
+   
+    /**
      * Sets file name for the document currently loaded.
      */
     void setFilename(const RS_String& fn) {
@@ -136,6 +143,8 @@
     RS_Pen activePen;
     /** File name of the document or empty for a new document. */
     RS_String filename;
+   /** Auto-save file name of document. */
+   RS_String autosaveFilename;
    /** Format type */
    RS2::FormatType formatType;
 };
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_graphic.cpp ./qcadlib/src/engine/rs_graphic.cpp
--- ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_graphic.cpp  Tue Nov 22 12:52:32 2005
+++ ./qcadlib/src/engine/rs_graphic.cpp Sat Aug 11 22:47:57 2007
@@ -24,6 +24,8 @@
 **
 **********************************************************************/
 
+#include <qfile.h>
+#include <qfileinfo.h>
 
 #include "rs_graphic.h"
 
@@ -178,21 +180,46 @@
 /**
  * Saves this graphic with the current filename and settings.
  */
-bool RS_Graphic::save() {
+bool RS_Graphic::save(bool isAutoSave) {
 
    bool ret = false;
+
    
     RS_DEBUG->print("RS_Graphic::save");
-    RS_DEBUG->print("  file: %s", filename.latin1());
-    RS_DEBUG->print("  format: %d", (int)formatType);
-
-    RS_DEBUG->print("  export...");
-    ret = RS_FILEIO->fileExport(*this, filename, formatType);
-
-   if (ret) {
-       setModified(false);
-       layerList.setModified(false);
-       blockList.setModified(false);
+   if (isAutoSave && !isModified()) {
+       RS_DEBUG->print("  autsave and not modified => not saved");
+       ret = true;
+   } else {
+       const RS_String *actualName;
+       RS2::FormatType actualType;
+
+       actualType = formatType;
+       if (isAutoSave) {
+           actualName = new QString(autosaveFilename);
+           if (formatType == RS2::FormatUnknown) {
+               actualType = RS2::FormatDXF;
+           }
+       } else {
+           actualName = new QString(filename);
+       }
+       RS_DEBUG->print("  file: %s", actualName->latin1());
+       RS_DEBUG->print("  format: %d", (int)actualType);
+       RS_DEBUG->print("  export...");
+       ret = RS_FILEIO->fileExport(*this, *actualName, actualType);
+       delete actualName;
+
+       if (ret && !isAutoSave) {
+           setModified(false);
+           layerList.setModified(false);
+           blockList.setModified(false);
+           // Remove old autosave file
+           QFile f(autosaveFilename);
+           if (f.exists()) {
+               RS_DEBUG->print("  removing old autosave file %s",
+                               autosaveFilename.latin1());
+               f.remove();
+           }
+       }
    }
 
     RS_DEBUG->print("RS_Graphic::save ok");
@@ -210,9 +237,28 @@
     RS_DEBUG->print("RS_Graphic::saveAs");
 
     this->filename = filename;
+   RS_String *oldAutosaveName = new RS_String(autosaveFilename);
+   QFileInfo finfo(filename);
+   // Construct new autosave filename by prepending # to the filename
+   // part, using the same directory as the destination file.
+   this->autosaveFilename = finfo.dirPath() + "/#" + finfo.fileName();
    this->formatType = type;
 
-    return save();
+    bool ret = save();
+
+   if (ret) {
+       // save was successful, remove old autosave file
+       QFile f(*oldAutosaveName);
+       if (f.exists()) {
+           RS_DEBUG->print("removing old autosave file %s",
+                           oldAutosaveName->latin1());
+           f.remove();
+       }
+   }
+
+   delete oldAutosaveName;
+
+   return ret;
 }
 
 
@@ -226,6 +272,10 @@
    bool ret = false;
 
     this->filename = filename;
+   QFileInfo finfo(filename);
+   // Construct new autosave filename by prepending # to the filename
+   // part, using the same directory as the destination file.
+   this->autosaveFilename = finfo.dirPath() + "/#" + finfo.fileName();
 
     // clean all:
     newDoc();
diff -ru ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_graphic.h ./qcadlib/src/engine/rs_graphic.h
--- ../qcad-2.0.5.0-1-community.src.orig/qcadlib/src/engine/rs_graphic.h    Tue Nov 22 12:52:38 2005
+++ ./qcadlib/src/engine/rs_graphic.h   Sat Aug 11 22:47:35 2007
@@ -69,7 +69,7 @@
     }
 
     virtual void newDoc();
-    virtual bool save();
+    virtual bool save(bool isAutoSave = false);
     virtual bool saveAs(const RS_String& filename, RS2::FormatType type);
     virtual bool open(const RS_String& filename, RS2::FormatType type);