[poppler] Form-Reset and Print [patches]

Guillermo Amaral gamaral at kdab.com
Fri Jun 11 21:35:15 PDT 2010


Hi Guys,

I wanted to send in these patches, they allow handling of reset-form and print
actions respectably.

Please check them out, and if you have any questions please don't hesitate to
ask.

Cheers,
GA

-- 
Guillermo Amaral | guillermo.amaral at kdab.com | Software Desperado
Klarälvdalens Datakonsult AB, a KDAB Group company
Tel. Sweden (HQ) +46-563-540090, USA +1-866-777-KDAB(5322)
KDAB - Qt Experts - Platform-independent software solutions

-------------- next part --------------
diff --git a/qt4/src/poppler-link.h b/qt4/src/poppler-link.h
index 6d42cbe..48b558d 100644
--- a/qt4/src/poppler-link.h
+++ b/qt4/src/poppler-link.h
@@ -357,7 +357,8 @@ class POPPLER_QT4_EXPORT LinkAction : public Link
 		                  EndPresentation = 9,
 		                  Find = 10,
 		                  GoToPage = 11,
-		                  Close = 12 };
+		                  Close = 12,
+		                  Print = 13 };
 
 		/**
 		 * The action of the current LinkAction
diff --git a/qt4/src/poppler-page.cc b/qt4/src/poppler-page.cc
index 6dbf50f..8aea6ce 100644
--- a/qt4/src/poppler-page.cc
+++ b/qt4/src/poppler-page.cc
@@ -129,6 +129,8 @@ Link* PageData::convertLinkActionToLink(::LinkAction * a, DocumentData *parentDo
         popplerLink = new LinkAction( linkArea, LinkAction::Find );
       else if ( !strcmp( name, "FullScreen" ) )
         popplerLink = new LinkAction( linkArea, LinkAction::Presentation );
+      else if ( !strcmp( name, "Print" ) )
+        popplerLink = new LinkAction( linkArea, LinkAction::Print );
       else if ( !strcmp( name, "Close" ) )
       {
         // acroread closes the document always, doesnt care whether 
-------------- next part --------------
diff --git a/poppler/Link.cc b/poppler/Link.cc
index 5d7b779..9c51f27 100644
--- a/poppler/Link.cc
+++ b/poppler/Link.cc
@@ -124,6 +124,10 @@ LinkAction *LinkAction::parseAction(Object *obj, GooString *baseURI) {
   } else if (obj2.isName("SetOCGState")) {
     action = new LinkOCGState(obj);
 
+  // ResetForm action
+  } else if (obj2.isName("ResetForm")) {
+    action = new LinkResetForm(obj2.getName());
+
   // unknown action
   } else if (obj2.isName()) {
     action = new LinkUnknown(obj2.getName());
@@ -856,6 +860,18 @@ LinkOCGState::StateList::~StateList() {
 }
 
 //------------------------------------------------------------------------
+// LinkFormClear
+//------------------------------------------------------------------------
+
+LinkResetForm::LinkResetForm(char *actionA) {
+  action = new GooString(actionA);
+}
+
+LinkResetForm::~LinkResetForm() {
+  delete action;
+}
+
+//------------------------------------------------------------------------
 // LinkUnknown
 //------------------------------------------------------------------------
 
diff --git a/poppler/Link.h b/poppler/Link.h
index ea10375..962d596 100644
--- a/poppler/Link.h
+++ b/poppler/Link.h
@@ -53,6 +53,7 @@ enum LinkActionKind {
   actionSound,			// sound action
   actionJavaScript,		// JavaScript action
   actionOCGState,               // Set-OCG-State action
+  actionResetForm,              // Reset form action
   actionUnknown			// anything else
 };
 
@@ -429,6 +430,31 @@ private:
 };
 
 //------------------------------------------------------------------------
+// LinkResetForm
+//------------------------------------------------------------------------
+
+class LinkResetForm: public LinkAction {
+public:
+
+  // Build a LinkResetForm with the specified action type.
+  LinkResetForm(char *actionA);
+
+  // Destructor.
+  virtual ~LinkResetForm();
+
+  // Was the LinkResetForm create successfully?
+  virtual GBool isOk() { return action != NULL; }
+
+  // Accessors.
+  virtual LinkActionKind getKind() { return actionResetForm; }
+  GooString *getAction() { return action; }
+
+private:
+
+  GooString *action;		// action subtype
+};
+
+//------------------------------------------------------------------------
 // LinkUnknown
 //------------------------------------------------------------------------
 
diff --git a/qt4/src/poppler-form.cc b/qt4/src/poppler-form.cc
index 6224b68..4ce4465 100644
--- a/qt4/src/poppler-form.cc
+++ b/qt4/src/poppler-form.cc
@@ -139,14 +139,24 @@ Link* FormField::activationAction() const
   Object tmp;
   Object *obj = m_formData->fm->getObj();
   Link* action = 0;
+  ::LinkAction *act = 0;
+
   if (obj->dictLookup("A", &tmp)->isDict())
   {
-    ::LinkAction *act = ::LinkAction::parseAction(&tmp, m_formData->doc->doc->getCatalog()->getBaseURI());
-    if (act)
-    {
-      action = PageData::convertLinkActionToLink(act, m_formData->doc, QRectF());
-      delete act;
-    }
+    act = ::LinkAction::parseAction(&tmp, m_formData->doc->doc->getCatalog()->getBaseURI());
+  }
+  else if (obj->dictLookup("AA", &tmp)->isDict())
+  {
+    Object tmp1;
+    if (tmp.dictLookup("D", &tmp1)->isDict())
+      act = ::LinkAction::parseAction(&tmp1, m_formData->doc->doc->getCatalog()->getBaseURI());
+    tmp1.free();
+  }
+
+  if (act)
+  {
+    action = PageData::convertLinkActionToLink(act, m_formData->doc, QRectF());
+    delete act;
   }
   tmp.free();
   return action;
diff --git a/qt4/src/poppler-link.cc b/qt4/src/poppler-link.cc
index de06242..80c390c 100644
--- a/qt4/src/poppler-link.cc
+++ b/qt4/src/poppler-link.cc
@@ -179,6 +179,19 @@ class LinkMoviePrivate : public LinkPrivate
 	}
 #endif
 
+class LinkFormActionPrivate : public LinkPrivate
+{
+	public:
+		LinkFormActionPrivate( const QRectF &area );
+
+		LinkFormAction::ActionType type;
+};
+
+	LinkFormActionPrivate::LinkFormActionPrivate( const QRectF &area )
+		: LinkPrivate( area )
+	{
+	}
+
 	static void cvtUserToDev(::Page *page, double xu, double yu, int *xd, int *yd) {
 		double ctm[6];
 		
@@ -581,4 +594,27 @@ class LinkMoviePrivate : public LinkPrivate
 	}
 #endif
 
+	// LinkFormAction
+	LinkFormAction::LinkFormAction( const QRectF &linkArea, ActionType actionType )
+		: Link( *new LinkFormActionPrivate( linkArea ) )
+	{
+		Q_D( LinkFormAction );
+		d->type = actionType;
+	}
+		
+	LinkFormAction::~LinkFormAction()
+	{
+	}
+	
+	LinkFormAction::ActionType LinkFormAction::actionType() const
+	{
+		Q_D( const LinkFormAction );
+		return d->type;
+	}
+
+	Link::LinkType LinkFormAction::linkType() const
+	{
+		return FormAction;
+	}
+
 }
diff --git a/qt4/src/poppler-link.h b/qt4/src/poppler-link.h
index 6d42cbe..f037642 100644
--- a/qt4/src/poppler-link.h
+++ b/qt4/src/poppler-link.h
@@ -39,6 +39,7 @@ class LinkJavaScriptPrivate;
 class LinkMoviePrivate;
 class LinkDestinationData;
 class LinkDestinationPrivate;
+class LinkFormActionPrivate;
 class SoundObject;
 
 /**
@@ -182,7 +183,8 @@ class POPPLER_QT4_EXPORT Link
 		    Action,   ///< A "standard" action to be executed in the viewer
 		    Sound,    ///< A link representing a sound to be played
 		    Movie,    ///< An action to be executed on a movie
-		    JavaScript    ///< A JavaScript code to be interpreted \since 0.10
+		    JavaScript,   ///< A JavaScript code to be interpreted \since 0.10
+		    FormAction    ///< A "form" action to be executed in the viewer
 		};
 
 		/**
@@ -484,6 +486,46 @@ class POPPLER_QT4_EXPORT LinkMovie : public Link
 };
 #endif
 
+/**
+ * \brief "Form" action request.
+ *
+ * The LinkFormAction class represents a link that request a "form" action
+ * to be performed by the viewer on the displayed document.
+ */
+class POPPLER_QT4_EXPORT LinkFormAction : public Link
+{
+	public:
+		/**
+		 * The possible types of actions
+		 */
+		enum ActionType { Submit = 1,
+		                  Reset = 2,
+		                  ImportData = 3 };
+
+		/**
+		 * The action of the current LinkFormAction
+		 */
+		ActionType actionType() const;
+
+		/**
+		 * Create a new Action link, that executes a specified action
+		 * on the document.
+		 *
+		 * \param linkArea the active area of the link
+		 * \param actionType which action should be executed
+		 */
+		LinkFormAction( const QRectF &linkArea, ActionType actionType );
+		/**
+		 * Destructor.
+		 */
+		~LinkFormAction();
+		LinkType linkType() const;
+
+	private:
+		Q_DECLARE_PRIVATE( LinkFormAction )
+		Q_DISABLE_COPY( LinkFormAction )
+};
+
 }
 
 #endif
diff --git a/qt4/src/poppler-page.cc b/qt4/src/poppler-page.cc
index 6dbf50f..b0b2871 100644
--- a/qt4/src/poppler-page.cc
+++ b/qt4/src/poppler-page.cc
@@ -174,6 +174,10 @@ Link* PageData::convertLinkActionToLink(::LinkAction * a, DocumentData *parentDo
           copyString( m_uri, m->getTitle()->getCString() );
 */  break;
 
+    case actionResetForm:
+        popplerLink = new LinkFormAction( linkArea, LinkFormAction::Reset );
+    break;
+
     case actionUnknown:
     break;
   }


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