mouse.h

#ifndef __MOUSE_H__
#define __MOUSE_H__
/*=============================================================================   
     Module  : mouse.h
     Purpose : Define mouse control structure.
     Author  : Doug Ehlenberger, CNIC Mt. Sinai School of Medicine
               
==============================================================================*/
#include "viasgui.h"
#include "workspace.h"
#include "paint.h"
#include "cropcube.h"
#include "ffruler.h"
#include "dialogproc.h"
#include "vectori.h"
#include "statusbar.h"


typedef enum
   {
   vMOUSE_MODE_DRAG_STACKS,
   vMOUSE_MODE_DRAG_WORKSPACE,
   vMOUSE_MODE_ZOOM_IN,
   vMOUSE_MODE_ZOOM_OUT,
   vMOUSE_MODE_CROP_CUBE,
   vMOUSE_MODE_MAGNET,
   vMOUSE_MODE_ALIGN,
   vMOUSE_MODE_RULER,
   vMOUSE_MODE_SAMPLER,

   vMOUSE_MODE_SENTINEL
   }
   vMOUSE_MODE;


#define vNUM_MOUSE_MODES  ( ( vINT )vMOUSE_MODE_SENTINEL )


typedef vVOID ( *MouseMessageProc )( WPARAM, LPARAM );
typedef vVOID ( *MouseModeProc )( vVOID );
typedef vVOID ( CALLBACK *MouseTimerProc )( HWND, UINT, UINT, DWORD );


typedef struct tagMouseControl
   {
   HWND              hOwner;
   vMOUSE_MODE       mode;
   vFLAGS            flags;
   Vector2i          oldClientCoord;
   Vector2i          oldWorkspaceCoord;
   Vector2i          newClientCoord;
   Vector2i          newWorkspaceCoord;
   Vector2i          lockCoord;
   CropCube          cropCube;
   vHIMAGESTACK      hCropStack;
   FFRULER           ruler;
   MouseMessageProc  onMove;
   MouseMessageProc  onLButtonDown;
   MouseMessageProc  onLButtonUp;
   MouseMessageProc  onLButtonDblClk;
   MouseMessageProc  onRButtonDown;
   MouseMessageProc  onRButtonUp;
   MouseTimerProc    onTimer;
   MouseModeProc     onSet;
   MouseModeProc     onKill;
   PaintingHookProc  onPaintingHook;
   vINT              undoEnable;
   vINT              redoEnable;
   vBOOL             isEnabled;
   }
   MouseControl;


#define vBIT_MOUSE_DRAGGING      vBIT_0
#define vBIT_MOUSE_TRACKING      vBIT_1
#define vBIT_MOUSE_CHANGES       vBIT_2
#define vBIT_MOUSE_CROPPED       vBIT_3
#define vBIT_MOUSE_LOCKED        vBIT_4
#define vBIT_MOUSE_LOCK_X        vBIT_5


#define vMOUSE_TIMER_ID        101
#define vMOUSE_TIMER_ELAPSE    200


vVOID CreateMouseControl( HWND hOwner );
vVOID DestroyMouseControl( vVOID );

MouseControl* GetMouseControl( vVOID );


/* Use on opening the workspace. */
vVOID EnableMouse( vVOID );
/* Use on closing the workspace. */
vVOID DisableMouse( vVOID );


vVOID SetDefaultMouseMode( vVOID );
vVOID SetMouseMode( vMOUSE_MODE mode );
vMOUSE_MODE GetMouseMode( vVOID );


/* Call if user selects the operation(s). */
vVOID HandleMouseCropCube( vVOID );
vVOID HandleMouseAlign( vHIMAGESTACK hAnchor );
/* lParam is the client coordinates of the cursor. */
vVOID HandleMouseZoomActualPixels( LPARAM lParam ); 

/* Call if zoom in or out mode after changing
   zoom factor. */
vVOID SetMouseZoomCursor( vVOID );


/* Message handlers. Action taken depends on mouse mode. */

vVOID OnMouseMove( WPARAM wParam, LPARAM lParam );
vVOID OnMouseLButtonDown( WPARAM wParam, LPARAM lParam );
vVOID OnMouseLButtonUp( WPARAM wParam, LPARAM lParam );
vVOID OnMouseLButtonDblClk( WPARAM wParam, LPARAM lParam );
vVOID OnMouseRButtonDown( WPARAM wParam, LPARAM lParam );
vVOID OnMouseRButtonUp( WPARAM wParam, LPARAM lParam );


#endif/* __MOUSE_H__ */

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