1 /* AbiWord
2  * Copyright (c) 2005 Martin Sevior <msevior@physics.unimelb.edu.au>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301 USA.
18  */
19 
20 #ifndef FV_VISUALINLINEIMAGE_H
21 #define FV_VISUALINLINEIMAGE_H
22 
23 #include "pt_Types.h"
24 #include "fl_FrameLayout.h"
25 #include "ut_string_class.h"
26 #include "fv_FrameEdit.h" // for FV_Base
27 
28 
29 typedef enum _FV_InlineDragMode
30 {
31 	FV_InlineDrag_NOT_ACTIVE,
32 	FV_InlineDrag_WAIT_FOR_MOUSE_CLICK,
33 	FV_InlineDrag_WAIT_FOR_MOUSE_DRAG,
34 	FV_InlineDrag_DRAGGING,
35 	FV_InlineDrag_RESIZE,
36 	FV_InlineDrag_START_DRAGGING
37 } FV_InlineDragMode;
38 
39 class GR_Graphics;
40 class GR_Image;
41 class FV_View;
42 class PP_AttrProp;
43 class UT_ByteBuf;
44 
45 class ABI_EXPORT FV_VisualInlineImage : public FV_Base
46 {
47 	friend class fv_View;
48 
49 public:
50 
51 	FV_VisualInlineImage (FV_View * pView);
52 	~FV_VisualInlineImage();
53 	bool                  isActive(void) const;
54     void                      setMode(FV_InlineDragMode iInlineDragMode);
getInlineDragMode(void)55 	FV_InlineDragMode     getInlineDragMode(void) const
56 		{ return m_iInlineDragMode;}
57 	void                  setDragType(UT_sint32 x,UT_sint32 y, bool bDrawImage);
58 	FV_DragWhat           mouseMotion(UT_sint32 x, UT_sint32 y);
59 	void                  mouseLeftPress(UT_sint32 x, UT_sint32 y);
60 	void                  mouseCut(UT_sint32 x, UT_sint32 y);
61 	void                  mouseCopy(UT_sint32 x, UT_sint32 y);
62 	void                  mouseRelease(UT_sint32 x, UT_sint32 y);
63 	bool                  drawImage(void);
64 	void                  getImageFromSelection(UT_sint32 x, UT_sint32 y,PP_AttrProp ** pAP = NULL );
65 	PP_AttrProp *         getImageAPFromXY(UT_sint32 x, UT_sint32 y);
66 	PT_DocPosition        getPosFromXY(UT_sint32 x, UT_sint32 y) const;
67 	void                  drawCursor(PT_DocPosition newPos);
68 	static void 		  _actuallyScroll(UT_Worker * pTimer);
69 	static void 		  _autoScroll(UT_Worker * pTimer);
70 	void                  clearCursor(void);
71 	void                  cleanUP(void);
72 	void                  abortDrag(void);
73 	const char *          getPNGImage(const UT_ByteBuf ** pBuf) const;
74 	UT_sint32             getImageSelBoxSize() const; // in device units!
75 	void                  setSelectionDrawn(bool bSelectionDrawn);
76 protected:
77 	virtual void          _mouseDrag(UT_sint32 x, UT_sint32 y);
78 private:
79 	FV_InlineDragMode     m_iInlineDragMode;
80 	GR_Image *            m_pDragImage;
81 	UT_sint32             m_iLastX;
82 	UT_sint32             m_iLastY;
83 	UT_sint32             m_iInitialOffX;
84 	UT_sint32             m_iInitialOffY;
85 	bool                  m_bTextCut;
86 	GR_Image *            m_pDocUnderCursor;
87 	bool                  m_bCursorDrawn;
88 	UT_Rect               m_recCursor;
89 
90 	// autoscroll stuff
91 	UT_Timer *			  m_pAutoScrollTimer;
92 
93 	bool                  m_bDoingCopy;
94 	PP_AttrProp *         m_pImageAP;
95 	GR_Image *            m_screenCache;
96 	UT_UTF8String         m_sCopyName;
97 	bool                  m_bIsEmbedded;
98 	bool				  m_bEmbedCanResize;
99 	UT_UTF8String         m_sDataId;
100 	bool                  m_bSelectionDrawn;
101 };
102 
103 #endif /* FV_VISUALINLINEIMAGE_H */
104