* Enable halftone configuration options if requested by printer driver

only.
* WIP: Driver specific generic capabilities.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39153 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/libs/print/libprint/JobSetupDlg.h

@@ -35,6 +35,8 @@ public:
 
 private:
 	void UpdateButtonEnabledState();
+	bool IsHalftoneConfigurationNeeded();
+	void CreateHalftoneConfigurationUI();
 	void FillCapabilityMenu(BPopUpMenu* menu, uint32 message,
 		PrinterCap::CapID category, int id);
 	void FillCapabilityMenu(BPopUpMenu* menu, uint32 message,
@@ -44,6 +46,7 @@ private:
 	BRadioButton* CreatePageSelectionItem(const char* name, const char* label,
 		JobData::PageSelection pageSelection);
 	void AllowOnlyDigits(BTextView* textView, int maxDigits);
+	void UpdateHalftonePreview();
 	JobData::Color Color();
 	Halftone::DitherType DitherType();
 	float Gamma();
@@ -58,9 +61,11 @@ private:
 	const PrinterCap *fPrinterCap;
 	BPopUpMenu       *fColorType;
 	BPopUpMenu       *fDitherType;
+	BMenuField       *fDitherMenuField;
 	JSDSlider        *fGamma;
 	JSDSlider        *fInkDensity;
 	HalftoneView     *fHalftone;
+	BBox             *fHalftoneBox;
 	BRadioButton     *fAll;
 	BCheckBox        *fCollate;
 	BCheckBox        *fReverse;

headers/libs/print/libprint/PrinterCap.h

@@ -21,6 +21,7 @@ struct BaseCap {
 	virtual					~BaseCap();
 
 	virtual	int				ID() const = 0;
+			const char*		Key() const;
 
 			string			fLabel;
 			bool			fIsDefault;
@@ -108,6 +109,23 @@ struct ProtocolClassCap : public BaseCap {
 };
 
 
+struct DriverSpecificCap : public BaseCap {
+		enum Type {
+			kList,
+			kCheckBox,
+			kRange
+		};
+
+							DriverSpecificCap(const string& label,
+								bool isDefault, int category, Type type);
+
+			int				ID() const;
+
+			int				fCategory;
+			Type			fType;
+};
+
+
 class PrinterData;
 
 class PrinterCap {
@@ -124,9 +142,16 @@ public:
 		kBindingLocation,
 		kColor,
 		kProtocolClass,
+		kDriverSpecifcCapababilities,
+
 		// Static boolean settings follow.
 		// For them isSupport() has to be implemented only.
-		kCopyCommand,       // supports printer page copy command?
+		kCopyCommand,	// supports printer page copy command?
+		kHalftone,		// needs the printer driver the configuration
+						// for class Halftone?
+
+		// The driver specific generic capabilities start here
+		kDriverSpecificCapabablitiesBegin = 100
 	};
 
 	virtual	int				countCap(CapID category) const = 0;