xref: /aoo41x/main/vcl/unx/kde4/KDESalGraphics.hxx (revision 0d63794c)
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21 
22 
23 
24 #pragma once
25 
26 #include <rtl/string.hxx>
27 #include <unx/saldisp.hxx>
28 #include <unx/salgdi.h>
29 
30 #define Region QtXRegion
31 #include <QImage>
32 #undef Region
33 
34 /** handles graphics drawings requests and performs the needed drawing operations */
35 class KDESalGraphics : public X11SalGraphics
36 {
37     QImage* m_image;
38 
39 	public:
40         KDESalGraphics();
41         virtual ~KDESalGraphics();
42 
43 		/**
44 			What widgets can be drawn the native way.
45 			@param type Type of the widget.
46 			@param part Specification of the widget's part if it consists of more than one.
47 			@return true if the platform supports native drawing of the widget type defined by part.
48 		*/
49 		virtual sal_Bool IsNativeControlSupported( ControlType type, ControlPart part );
50 
51 		/** Test whether the position is in the native widget.
52 			If the return value is TRUE, bIsInside contains information whether
53 			aPos was or was not inside the native widget specified by the
54 			type/part combination.
55 		*/
56 		virtual sal_Bool hitTestNativeControl( ControlType type, ControlPart part,
57 										const Rectangle& rControlRegion, const Point& aPos,
58 										sal_Bool& rIsInside );
59 		/** Draw the requested control described by part/nControlState.
60 
61 			@param rControlRegion
62 			The bounding Rectangle of the complete control in VCL frame coordinates.
63 
64 			@param aValue
65 			An optional value (tristate/numerical/string).
66 
67 			@param aCaption
68 			A caption or title string (like button text etc.)
69 		*/
70 		virtual sal_Bool drawNativeControl( ControlType type, ControlPart part,
71 										const Rectangle& rControlRegion, ControlState nControlState,
72 										const ImplControlValue& aValue,
73 										const rtl::OUString& aCaption );
74 
75 		/** Draw text on the widget.
76 			OPTIONAL. Draws the requested text for the control described by part/nControlState.
77 			Used if text is not drawn by DrawNativeControl().
78 
79 			@param rControlRegion The bounding region of the complete control in VCL frame coordinates.
80 			@param aValue An optional value (tristate/numerical/string)
81 			@param aCaption	A caption or title string (like button text etc.)
82 		*/
drawNativeControlText(ControlType,ControlPart,const Rectangle &,ControlState,const ImplControlValue &,const rtl::OUString &)83 		virtual sal_Bool drawNativeControlText( ControlType, ControlPart,
84 											const Rectangle&, ControlState,
85 											const ImplControlValue&,
86 											const rtl::OUString& ) { return false; }
87 		/** Check if the bounding regions match.
88 
89 			If the return value is TRUE, rNativeBoundingRegion
90 			contains the true bounding region covered by the control
91 			including any adornment, while rNativeContentRegion contains the area
92 			within the control that can be safely drawn into without drawing over
93 			the borders of the control.
94 
95 			@param rControlRegion
96 			The bounding region of the control in VCL frame coordinates.
97 
98 			@param aValue
99 			An optional value (tristate/numerical/string)
100 
101 			@param aCaption
102 			A caption or title string (like button text etc.)
103 		*/
104 		virtual sal_Bool getNativeControlRegion( ControlType type, ControlPart part,
105 											const Rectangle& rControlRegion, ControlState nControlState,
106 											const ImplControlValue& aValue,
107 											const rtl::OUString& aCaption,
108 											Rectangle &rNativeBoundingRegion, Rectangle &rNativeContentRegion );
109 };
110