Optionally, read the "button" form fields from poppler.

Enable the support for them only if the poppler version is recent enough (atm, git master of around 9 hours ago).

svn path=/trunk/KDE/kdegraphics/okular/; revision=773549

generators/poppler/CMakeLists.txt

@@ -14,6 +14,17 @@ int main()
 " POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE)
 macro_bool_to_01(POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE _POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE)
 
+check_cxx_source_compiles("
+#include <poppler-qt4.h>
+#include <poppler-form.h>
+int main()
+{
+  Poppler::FormFieldButton * button = 0;
+  return 0;
+}
+" POPPLER_HAVE_FORMFIELDBUTTON)
+macro_bool_to_01(POPPLER_HAVE_FORMFIELDBUTTON _POPPLER_HAVE_FORMFIELDBUTTON)
+
 
 configure_file(
    ${CMAKE_CURRENT_SOURCE_DIR}/config-okular-poppler.h.cmake

generators/poppler/config-okular-poppler.h.cmake

@@ -3,3 +3,6 @@
 
 /* Defined if Poppler::PSConverter has setOutputDevice */
 #define POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE ${_POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE}
+
+/* Defined if Poppler::FormFieldButton is available */
+#define POPPLER_HAVE_FORMFIELDBUTTON ${_POPPLER_HAVE_FORMFIELDBUTTON}

generators/poppler/formfields.cpp

@@ -9,6 +9,84 @@
 
 #include "formfields.h"
 
+#ifdef POPPLER_HAVE_FORMFIELDBUTTON
+PopplerFormFieldButton::PopplerFormFieldButton( Poppler::FormFieldButton * field )
+    : Okular::FormFieldButton(), m_field( field )
+{
+    m_rect = Okular::NormalizedRect::fromQRectF( m_field->rect() );
+}
+
+PopplerFormFieldButton::~PopplerFormFieldButton()
+{
+    delete m_field;
+}
+
+Okular::NormalizedRect PopplerFormFieldButton::rect() const
+{
+    return m_rect;
+}
+
+int PopplerFormFieldButton::id() const
+{
+    return m_field->id();
+}
+
+QString PopplerFormFieldButton::name() const
+{
+    return m_field->name();
+}
+
+QString PopplerFormFieldButton::uiName() const
+{
+    return m_field->uiName();
+}
+
+bool PopplerFormFieldButton::isReadOnly() const
+{
+    return m_field->isReadOnly();
+}
+
+bool PopplerFormFieldButton::isVisible() const
+{
+    return m_field->isVisible();
+}
+
+Okular::FormFieldButton::ButtonType PopplerFormFieldButton::buttonType() const
+{
+    switch ( m_field->buttonType() )
+    {
+        case Poppler::FormFieldButton::Push:
+            return Okular::FormFieldButton::Push;
+        case Poppler::FormFieldButton::CheckBox:
+            return Okular::FormFieldButton::CheckBox;
+        case Poppler::FormFieldButton::Radio:
+            return Okular::FormFieldButton::Radio;
+    }
+    return Okular::FormFieldButton::Push;
+}
+
+QString PopplerFormFieldButton::caption() const
+{
+    return m_field->caption();
+}
+
+bool PopplerFormFieldButton::state() const
+{
+    return m_field->state();
+}
+
+void PopplerFormFieldButton::setState( bool state )
+{
+    m_field->setState( state );
+}
+
+QList< int > PopplerFormFieldButton::siblings() const
+{
+    return m_field->siblings();
+}
+#endif
+
+
 PopplerFormFieldText::PopplerFormFieldText( Poppler::FormFieldText * field )
     : Okular::FormFieldText(), m_field( field )
 {

generators/poppler/formfields.h

@@ -13,6 +13,37 @@
 #include <poppler-form.h>
 #include "core/form.h"
 
+#include <config-okular-poppler.h>
+
+#ifdef POPPLER_HAVE_FORMFIELDBUTTON
+class PopplerFormFieldButton : public Okular::FormFieldButton
+{
+    public:
+        PopplerFormFieldButton( Poppler::FormFieldButton * field );
+        virtual ~PopplerFormFieldButton();
+
+        // inherited from Okular::FormField
+        virtual Okular::NormalizedRect rect() const;
+        virtual int id() const;
+        virtual QString name() const;
+        virtual QString uiName() const;
+        virtual bool isReadOnly() const;
+        virtual bool isVisible() const;
+
+        // inherited from Okular::FormFieldButton
+        virtual ButtonType buttonType() const;
+        virtual QString caption() const;
+        virtual bool state() const;
+        virtual void setState( bool state );
+        virtual QList< int > siblings() const;
+
+    private:
+        Poppler::FormFieldButton * m_field;
+        Okular::NormalizedRect m_rect;
+
+};
+#endif
+
 class PopplerFormFieldText : public Okular::FormFieldText
 {
     public:

generators/poppler/generator_pdf.cpp

@@ -1386,6 +1386,11 @@ void PDFGenerator::addFormFields( Poppler::Page * popplerPage, Okular::Page * pa
         Okular::FormField * of = 0;
         switch ( f->type() )
         {
+#ifdef POPPLER_HAVE_FORMFIELDBUTTON
+            case Poppler::FormField::FormButton:
+                of = new PopplerFormFieldButton( static_cast<Poppler::FormFieldButton*>( f ) );
+                break;
+#endif
             case Poppler::FormField::FormText:
                 of = new PopplerFormFieldText( static_cast<Poppler::FormFieldText*>( f ) );
                 break;