cml/libcm
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c81b178224
libcm/cmGrPlot.c
kevin a112c6b6a2 cmGrPlot.c : _cmGrPlotObjDestroy() now checks if the object about to be 
destroyed is the focused object and updates p->fop accordingly.
2013-09-28 12:31:21 -07:00

1373 рядки
36 KiB
C
Неформатований Звинувачення Історія

#include "cmGlobal.h"
#include "cmFloatTypes.h"
#include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmMem.h"
#include "cmMallocDebug.h"
#include "cmGr.h"
#include "cmGrDevCtx.h"
#include "cmGrPlot.h"
#include "cmVectOpsTemplateMain.h"
//------------------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------------------
struct cmGrPl_str;
typedef struct cmGrPlotObj_str
{
cmGrH_t grH; // the canvas this object is drawn on
cmGrObjH_t grObjH; // the grObj this object is based on
cmGrPlObjTypeId_t typeId;
unsigned cfgFlags;
unsigned stateFlags;
cmGrVExt_t vext;
cmChar_t* label;
unsigned labelFlags;
int labelAngle;
cmGrColor_t labelColor;
int loffs;
int toffs;
int roffs;
int boffs;
cmGrColor_t drawColors[ kMaxPlGrId ];
cmGrColor_t fillColors[ kMaxPlGrId ];
unsigned fontId;
unsigned fontSize;
unsigned fontStyle;
void* userPtr;
unsigned userByteCnt; // 0 if userPtr does not need to be realease on object destruction
cmGrPlotCbFunc_t cbFunc;
void* cbArg;
struct cmGrPl_str* p; // owning plot object manager
struct cmGrPlotObj_str* parent; // containing object
struct cmGrPlotObj_str* xAnchor; // x-location reference object
struct cmGrPlotObj_str* yAnchor; // y-location reference object
struct cmGrPlotObj_str* next;
struct cmGrPlotObj_str* prev;
} cmGrPlotObj_t;
typedef struct cmGrPl_str
{
cmCtx_t* ctx; //
cmErr_t err; //
cmGrPlotObj_t* list; // plot object linked list
cmGrPlotObj_t* fop; // focused object ptr
cmGrPlotCbFunc_t cbFunc; // dflt callback function
void* cbArg; // dflt callback function arg.
} cmGrPl_t;
cmGrPlH_t cmGrPlNullHandle = cmSTATIC_NULL_HANDLE;
cmGrPlObjH_t cmGrPlObjNullHandle = cmSTATIC_NULL_HANDLE;
//------------------------------------------------------------------------------------------------------------------
// Plot Private Functions
//------------------------------------------------------------------------------------------------------------------
cmGrPl_t* _cmGrPlHandleToPtr( cmGrPlH_t h )
{
cmGrPl_t* p = (cmGrPl_t*)h.h;
assert(p!=NULL);
return p;
}
cmGrPlotObj_t* _cmGrPlObjHandleToPtr( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = (cmGrPlotObj_t*)oh.h;
assert( op!=NULL);
return op;
}
// Destroy the embedded cmGrH_t object
cmGrPlRC_t _cmGrPlotObjDelete( cmGrPlotObj_t* op )
{
if( op==NULL || cmGrObjIsValid( op->grH, op->grObjH)==false )
return kOkGrPlRC;
cmGrPl_t* p = op->p;
// destroy the cmGrObj - which will call _cmGrPlotObjDestroy()
if( cmGrObjDestroy( op->grH, &op->grObjH ) != kOkGrRC )
return cmErrMsg( &p->err, kGrFailGrPlRC, "Delete failed on the object label='%s' id=%i\n",cmStringNullGuard( op->label ), cmGrObjId(op->grObjH) );
return kOkGrPlRC;
}
void _cmGrPlotObjUnlink( cmGrPlotObj_t* op )
{
cmGrPl_t* p = op->p;
if( op->next != NULL )
op->next->prev = op->prev;
if( op->prev != NULL )
op->prev->next = op->next;
if( p->list == op )
p->list = op->next;
}
void _cmGrPlotObjLink( cmGrPl_t* p, cmGrPlotObj_t* op )
{
if( p->list != NULL )
p->list->prev = op;
op->next = p->list;
op->prev = NULL;
p->list = op;
}
// Destroy all objects
cmGrPlRC_t _cmGrPlotClear( cmGrPl_t* p )
{
cmGrPlRC_t rc = kOkGrPlRC;
cmGrPlotObj_t* op = p->list;
while( op!=NULL )
{
cmGrPlotObj_t* t = op->next;
if((rc = _cmGrPlotObjDelete(op)) != kOkGrPlRC )
break;
op = t;
}
return rc;
}
// Destroy the plot mgr
cmGrPlRC_t _cmGrPlotDestroy( cmGrPl_t* p )
{
cmGrPlRC_t rc;
if((rc = _cmGrPlotClear(p)) != kOkGrPlRC )
return rc;
cmMemFree(p);
return kOkGrPlRC;
}
bool _cmGrPlotObjIsVisible( cmGrPlotObj_t* op )
{ return cmIsNotFlag(op->cfgFlags,kNoDrawGrPlFl); }
bool _cmGrPlotObjIsEnabled( cmGrPlotObj_t* op )
{
// invisible objects are never enabled
if( _cmGrPlotObjIsVisible(op) == false )
return false;
return cmIsFlag(op->stateFlags,kEnabledGrPlFl);
}
bool _cmGrPlotObjIsFocused(cmGrPlotObj_t* op)
{ return _cmGrPlotObjIsEnabled(op) && op->p->fop==op; }
bool _cmGrPlotObjIsSelected(cmGrPlotObj_t* op)
{ return _cmGrPlotObjIsFocused(op) || cmIsFlag(op->stateFlags,kSelectGrPlFl); }
void _cmGrPlotObjSetupCbArg( cmGrPlotCbArg_t* a, cmGrPlotObj_t* op, cmGrPlCbSelId_t selId )
{
cmGrPlObjH_t oH;
oH.h = op;
memset(a,0,sizeof(a));
a->ctx = op->p->ctx;
a->cbArg = op->cbArg;
a->selId = selId;
a->objH = oH;
}
bool _cmGrPlotObjCb( cmGrPlotObj_t* op, cmGrPlCbSelId_t selId, unsigned deltaFlags )
{
if( op->cbFunc != NULL )
{
cmGrPlotCbArg_t a;
_cmGrPlotObjSetupCbArg(&a,op,selId);
a.deltaFlags = deltaFlags;
return op->cbFunc(&a);
}
return true;
}
void _cmGrPlotObjSetFocus( cmGrPlotObj_t* op )
{
// if 'op' is not enabled then it cannot receive the focus
if( _cmGrPlotObjIsEnabled(op) == false )
return;
// if the focus cannot be set on 'op' - then try op->parent
for(; op!=NULL; op=op->parent)
if( cmIsNotFlag(op->cfgFlags,kNoFocusGrPlFl) && cmIsNotFlag(op->cfgFlags,kNoDrawGrPlFl) )
break;
// if the focus is changing to a new object
if( op != NULL && op->p->fop != op )
{
if( op->p->fop != NULL )
{
// if the application callback returns false then do no release focus from the current object
if(_cmGrPlotObjCb(op->p->fop, kPreEventCbSelGrPlId, kFocusGrPlFl ) == false )
return;
cmGrPlotObj_t* fop = op->p->fop;
op->p->fop = NULL;
// notify focus loser
_cmGrPlotObjCb(fop, kStateChangeGrPlId, kFocusGrPlFl );
}
// if the application callback returns false then do not give focus to the selected object
if(_cmGrPlotObjCb(op, kPreEventCbSelGrPlId, kFocusGrPlFl ) == false )
return;
op->p->fop = op;
// notify focus winner
_cmGrPlotObjCb(op, kStateChangeGrPlId, kFocusGrPlFl );
}
}
void _cmGrPlotObjSetSelect( cmGrPlotObj_t* op, bool clearFl )
{
// if the object is disabled or not selectable
if( _cmGrPlotObjIsEnabled(op)==false || cmIsFlag(op->cfgFlags,kNoSelectGrPlFl | kNoDrawGrPlFl) )
return;
unsigned stateFlags = op->stateFlags;
// if the application callback returns false then do change the select state of the object
if(_cmGrPlotObjCb(op, kPreEventCbSelGrPlId, kSelectGrPlFl ) == false )
return;
if( clearFl )
{
cmGrObjH_t parentObjH = cmGrObjParent(op->grObjH);
cmGrPlotObj_t* cop = op->p->list;
// clear the select flag on all objects that share op->parent
for(; cop!=NULL; cop=cop->next)
if( cmHandlesAreEqual(cmGrObjParent(cop->grObjH),parentObjH) )
cop->stateFlags = cmClrFlag(cop->stateFlags,kSelectGrPlFl);
}
op->stateFlags = cmTogFlag(stateFlags,kSelectGrPlFl);
// notify state change
_cmGrPlotObjCb(op, kStateChangeGrPlId, kSelectGrPlFl );
}
cmGrColor_t _cmGrPlotColor( cmGrPlotObj_t* op, cmGrColor_t* array )
{
if( _cmGrPlotObjIsFocused(op) )
return array[kFocusPlGrId];
if( _cmGrPlotObjIsSelected(op) )
return array[kSelectPlGrId];
if( _cmGrPlotObjIsEnabled(op) )
return array[kEnablePlGrId];
return array[kDisablePlGrId];
}
unsigned _cmGrPlotObjTriShapeToFlags( unsigned typeId)
{
switch(typeId)
{
case kUTriGrPlId: return kTopGrFl;
case kDTriGrPlId: return kBottomGrFl;
case kLTriGrPlId: return kLeftGrFl;
case kRTriGrPlId: return kRightGrFl;
default:
{ assert(0); }
}
return 0;
}
//------------------------------------------------------------------------------------------------------------------
// Plot Object Callback Functions
//------------------------------------------------------------------------------------------------------------------
cmGrRC_t _cmGrPlotObjCreate( cmGrObjFuncArgs_t* args )
{
cmGrPlotObj_t* op = args->cbArg;
_cmGrPlotObjCb(op,kCreatedCbSelGrPlId,0);
// return kOkGrRC to indicate that the create was successful
return kOkGrRC;
}
void _cmGrPlotObjDestroy( cmGrObjFuncArgs_t* args )
{
cmGrPlotObj_t* op = args->cbArg;
// if the focused op is being destroyed
if( op->p->fop == op )
{
_cmGrPlotObjCb(op->p->fop, kStateChangeGrPlId, kFocusGrPlFl );
op->p->fop = NULL;
}
// TODO: is it possible to prevent destruction by returning
// 'false' from the used defined callback. This feature is
// slightly complicated by the fact
// that in some circumstances the destroy request is not
// optional - for example when the program is closing.
_cmGrPlotObjCb(op,kDestroyedCbSelGrPlId,0);
_cmGrPlotObjUnlink( op );
if( op->userByteCnt != 0 )
{
cmMemFree(op->userPtr);
op->userByteCnt = 0;
}
cmMemFree(op->label);
cmMemFree(op);
}
void _cmGrPlotObjGetVExt( cmGrPlotObj_t* op, cmGrVExt_t* vext )
{
switch( op->typeId )
{
case kStarGrPlId:
case kCrossGrPlId:
case kPlusGrPlId:
case kDiamondGrPlId:
case kUTriGrPlId:
case kDTriGrPlId:
case kLTriGrPlId:
case kRTriGrPlId:
case kRectGrPlId:
case kLineGrPlId:
case kEllipseGrPlId:
{
*vext = op->vext;
}
break;
case kHLineGrPlId:
case kVLineGrPlId:
{
cmGrVExt_t wext;
cmGrObjH_t oh = cmGrObjParent(op->grObjH);
cmGrObjWorldExt(oh,&wext);
// TODO: Put a check somewhere which can report an error
// message when the parents world extent is not yet set.
// Horz and Vert lines depend on the their parent's
// world extents being set first. There is no automatic
// way to set the parent world extents because we don't
// know the range of values which the data set will cover.
// Any number picked could result in a range much to large
// thereby leaving the data invisible. It therefore must
// be up to the application to set a good range.
assert( cmGrVExtIsNotNullOrEmpty(&wext) );
vext->loc.x = op->typeId==kHLineGrPlId ? wext.loc.x : op->vext.loc.x;
vext->loc.y = op->typeId==kVLineGrPlId ? wext.loc.y : op->vext.loc.y;
vext->sz.w = op->typeId==kHLineGrPlId ? wext.sz.w : op->vext.sz.w;
vext->sz.h = op->typeId==kVLineGrPlId ? wext.sz.h : op->vext.sz.h;
}
break;
default:
{ assert(0); }
}
// add up the anchor offsets until the first object in the container
cmGrPlotObj_t* ap = op->xAnchor;
for(; ap!=NULL; ap=ap->xAnchor)
{
vext->loc.x += ap->vext.loc.x;
if( ap->xAnchor==ap->parent)
break;
}
ap = op->yAnchor;
for(; ap!=NULL; ap=ap->yAnchor)
{
vext->loc.y += ap->vext.loc.y;
if( ap->yAnchor==ap->parent)
break;
}
}
void _cmGrPlotObjVExt( cmGrObjFuncArgs_t* args, cmGrVExt_t* vext )
{
cmGrPlotObj_t* op = args->cbArg;
_cmGrPlotObjGetVExt(op, vext);
}
bool _cmGrPlotObjRender( cmGrObjFuncArgs_t* args, cmGrDcH_t dcH )
{
cmGrPlotObj_t* op = args->cbArg;
cmGrPExt_t pext;
cmGrVExt_t vext;
if( !_cmGrPlotObjIsVisible(op) )
return false;
// get the virtual extents of this object
_cmGrPlotObjVExt( args, &vext );
// convert the virtual ext's to phys ext's
cmGrVExt_VtoP( op->grH, op->grObjH, &vext, &pext);
// expand the ext's according to the physical offsets
cmGrPExtExpand(&pext,op->loffs,op->toffs,op->roffs,op->boffs);
switch( op->typeId )
{
case kLineGrPlId:
//cmGrDcSetColor( dcH, _cmGrPlotColor(op,op->drawColors) );
//cmGrDcDrawLine( dcH, cmGrPExtL(&pext), cmGrPExtT(&pext), cmGrPExtR(&pext), cmGrPExtB(&pext) );
//break;
case kStarGrPlId:
case kCrossGrPlId:
case kPlusGrPlId:
case kEllipseGrPlId:
case kDiamondGrPlId:
case kUTriGrPlId:
case kDTriGrPlId:
case kLTriGrPlId:
case kRTriGrPlId:
case kRectGrPlId:
case kHLineGrPlId:
case kVLineGrPlId:
{
if( cmIsNotFlag(op->cfgFlags,kNoFillGrPlFl) )
{
// set the fill color
cmGrDcSetColor( dcH, _cmGrPlotColor(op,op->fillColors) );
// draw the fill
switch(op->typeId)
{
case kEllipseGrPlId:
cmGrDcFillEllipse( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h);
break;
case kDiamondGrPlId:
cmGrDcFillDiamond( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h);
break;
case kUTriGrPlId:
case kDTriGrPlId:
case kLTriGrPlId:
case kRTriGrPlId:
cmGrDcFillTriangle( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h, _cmGrPlotObjTriShapeToFlags(op->typeId));
break;
case kStarGrPlId:
case kCrossGrPlId:
case kPlusGrPlId:
case kRectGrPlId:
case kHLineGrPlId:
case kVLineGrPlId:
cmGrDcFillRect( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h);
break;
case kLineGrPlId:
break;
default:
{ assert(0); }
}
}
if( cmIsNotFlag(op->cfgFlags,kNoBorderGrPlFl) )
{
// set the border color
cmGrDcSetColor( dcH, _cmGrPlotColor(op,op->drawColors) );
// draw the border
switch(op->typeId)
{
case kEllipseGrPlId:
cmGrDcDrawEllipse( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h);
break;
case kDiamondGrPlId:
cmGrDcDrawDiamond( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h);
break;
case kUTriGrPlId:
case kDTriGrPlId:
case kLTriGrPlId:
case kRTriGrPlId:
cmGrDcDrawTriangle( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h, _cmGrPlotObjTriShapeToFlags(op->typeId));
break;
case kStarGrPlId:
cmGrDcDrawLine( dcH, cmGrPExtL(&pext), cmGrPExtT(&pext), cmGrPExtR(&pext), cmGrPExtB(&pext));
cmGrDcDrawLine( dcH, cmGrPExtL(&pext), cmGrPExtB(&pext), cmGrPExtR(&pext), cmGrPExtT(&pext));
cmGrDcDrawLine( dcH, cmGrPExtL(&pext) + cmGrPExtW(&pext)/2, cmGrPExtT(&pext), cmGrPExtL(&pext) + cmGrPExtW(&pext)/2, cmGrPExtB(&pext));
cmGrDcDrawLine( dcH, cmGrPExtL(&pext), cmGrPExtT(&pext) + cmGrPExtH(&pext)/2, cmGrPExtR(&pext), cmGrPExtT(&pext) + cmGrPExtH(&pext)/2);
break;
case kCrossGrPlId:
cmGrDcDrawLine( dcH, cmGrPExtL(&pext), cmGrPExtT(&pext), cmGrPExtR(&pext), cmGrPExtB(&pext));
cmGrDcDrawLine( dcH, cmGrPExtR(&pext), cmGrPExtT(&pext), cmGrPExtL(&pext), cmGrPExtB(&pext));
break;
case kPlusGrPlId:
cmGrDcDrawLine( dcH, cmGrPExtL(&pext) + cmGrPExtW(&pext)/2, cmGrPExtT(&pext), cmGrPExtL(&pext) + cmGrPExtW(&pext)/2, cmGrPExtB(&pext));
cmGrDcDrawLine( dcH, cmGrPExtL(&pext), cmGrPExtT(&pext) + cmGrPExtH(&pext)/2, cmGrPExtR(&pext), cmGrPExtT(&pext) + cmGrPExtH(&pext)/2);
break;
case kLineGrPlId:
cmGrDcDrawLine( dcH, cmGrPExtL(&pext), cmGrPExtT(&pext), cmGrPExtR(&pext), cmGrPExtB(&pext) );
break;
case kRectGrPlId:
case kHLineGrPlId:
case kVLineGrPlId:
cmGrDcDrawRect( dcH, pext.loc.x, pext.loc.y, pext.sz.w, pext.sz.h);
break;
default:
{ assert(0); }
}
}
if( (op->label != NULL) && cmIsNotFlag(op->cfgFlags, kNoLabelGrPlFl) )
{
unsigned cc = cmGrDcColor(dcH);
cmGrDcSetColor(dcH,op->labelColor);
cmGrDcDrawTextJustify( dcH, op->fontId, op->fontSize, op->fontStyle, op->label, &pext, op->labelFlags );
cmGrDcSetColor(dcH,cc);
/*
cmGrPSz_t sz;
cmGrPPt_t pt;
cmGrDcFontSetAndMeasure( dcH, op->fontId, op->fontSize, op->fontStyle, op->label, &sz );
cmGrPExtCtr( &pext, &pt );
cmGrDcDrawText( dcH, op->label, pt.x - sz.w/2, pt.y + sz.h/2 );
*/
}
}
break;
default:
{ assert(0); }
}
return true;
}
int _cmGrPlotObjDistance( cmGrObjFuncArgs_t* args, int x, int y )
{
return 0;
}
bool _cmGrPlotObjEvent( cmGrObjFuncArgs_t* args, unsigned flags, unsigned key, int px, int py )
{
cmGrPlotObj_t* op = args->cbArg;
bool fl = false;
cmGrPlotCbArg_t a;
if( op->cbFunc != NULL )
{
cmGrPlotObj_t* cb_op = op;
// if this is a key up/dn event and 'op' is not the 'focused op' then callback
// callback on the 'focused op' instead of this 'op'.
if( (cmIsFlag(flags,kKeyDnGrFl) || cmIsFlag(flags,kKeyUpGrFl)) && op->p->fop != op )
cb_op = op->p->fop;
_cmGrPlotObjSetupCbArg(&a,cb_op,kPreEventCbSelGrPlId);
a.eventFlags = flags;
a.eventKey = key;
a.eventX = px;
a.eventY = py;
if( op->cbFunc(&a) == false )
return true;
}
switch( flags & kEvtMask )
{
case kMsDownGrFl:
break;
case kMsUpGrFl:
_cmGrPlotObjSetFocus( op );
fl = true;
break;
case kMsClickGrFl:
_cmGrPlotObjSetSelect(op, cmIsNotFlag(flags,kCtlKeyGrFl) );
fl = true;
break;
case kMsDragGrFl:
{
cmGrVExt_t vext;
cmGrVExt_t wext;
if( cmIsFlag(op->cfgFlags,kNoDragGrPlFl | kNoDrawGrPlFl) )
return false;
// get the parent world extents
cmGrObjWorldExt( cmGrObjParent( args->objH ), &wext );
// calc the new position of the obj
cmGrV_t x = args->msVPt.x - args->msDnVOffs.w;
cmGrV_t y = args->msVPt.y - args->msDnVOffs.h;
cmGrVExtSet(&vext,x,y,op->vext.sz.w,op->vext.sz.h);
// the obj must be remain inside the parent wext
cmGrVExtContain(&wext,&vext);
// calculate the obj's location as an offset from it's anchors
cmGrPlotObj_t* ap = op->xAnchor;
for(; ap!=NULL; ap=ap->xAnchor)
vext.loc.x -= ap->vext.loc.x;
ap = op->yAnchor;
for(; ap!=NULL; ap=ap->yAnchor)
vext.loc.y -= ap->vext.loc.y;
if( !cmGrVExtIsEqual(&op->vext,&vext) )
{
// move the object
op->vext.loc.x = vext.loc.x;
op->vext.loc.y = vext.loc.y;
fl = true;
}
}
break;
case kKeyDnGrFl:
case kKeyUpGrFl:
break;
}
// notify the app of the event
if( op->cbFunc != NULL )
{
a.selId = kEventCbSelGrPlId;
op->cbFunc(&a);
}
return fl;
}
bool _cmGrPlotObjIsBorderClick( const cmGrPExt_t* pext, int px, int py )
{
int dist = 3;
if( cmVOR_PtToLineDistance(cmGrPExtL(pext),cmGrPExtT(pext),cmGrPExtL(pext),cmGrPExtB(pext),px,py) < dist )
return true;
if(cmVOR_PtToLineDistance(cmGrPExtR(pext),cmGrPExtT(pext),cmGrPExtR(pext),cmGrPExtB(pext),px,py) < dist )
return true;
if( cmVOR_PtToLineDistance(cmGrPExtL(pext),cmGrPExtT(pext),cmGrPExtR(pext),cmGrPExtT(pext),px,py) < dist )
return true;
if(cmVOR_PtToLineDistance(cmGrPExtL(pext),cmGrPExtB(pext),cmGrPExtR(pext),cmGrPExtB(pext),px,py) < dist )
return true;
return false;
}
bool _cmGrPlotObjIsInside( cmGrObjFuncArgs_t* args, unsigned evtFlags, int px, int py, cmGrV_t vx, cmGrV_t vy )
{
cmGrVExt_t vext;
cmGrPExt_t pext;
cmGrPlotObj_t* op = args->cbArg;
// no matter the type of event the object must be visible and enabled to respond to it
if(!_cmGrPlotObjIsVisible(op)|| !_cmGrPlotObjIsEnabled(op) )
return false;
// objects that are not selectable are also not clickable
if( cmIsFlag(evtFlags,kMsClickGrFl) && cmIsFlag(op->cfgFlags,kNoSelectGrPlFl) )
return false;
// non-draggable objects can't be dragged.
if( cmIsFlag(evtFlags,kMsDragGrFl) && cmIsFlag(op->cfgFlags,kNoDragGrPlFl) )
return false;
// get the virtual extents of this object
_cmGrPlotObjVExt( args, &vext );
// convert the virtual ext's to phys ext's
cmGrVExt_VtoP(args->grH,args->objH,&vext,&pext);
// expand the ext's according to the off's
cmGrPExtExpand(&pext,op->loffs,op->toffs,op->roffs,op->boffs);
if( op->typeId == kLineGrPlId )
if( cmVOR_PtToLineDistance(cmGrPExtL(&pext),cmGrPExtT(&pext),cmGrPExtR(&pext),cmGrPExtB(&pext),px,py) < 3 )
return true;
// if this is a click event and this is a border selectable object
if( cmIsFlag(evtFlags,kMsClickGrFl) && cmIsFlag(op->cfgFlags,kBorderSelGrPlFl) )
return _cmGrPlotObjIsBorderClick(&pext,px,py);
// check if the px,py is inside pext
return cmGrPExtIsXyInside(&pext,px,py);
}
void _cmGrPlotFuncObjSetupDefault(cmGrObjFunc_t *f, void* arg )
{
f->createCbFunc = _cmGrPlotObjCreate;
f->createCbArg = arg;
f->destroyCbFunc = _cmGrPlotObjDestroy;
f->destroyCbArg = arg;
f->renderCbFunc = _cmGrPlotObjRender;
f->renderCbArg = arg;
f->distanceCbFunc = _cmGrPlotObjDistance;
f->distanceCbArg = arg;
f->eventCbFunc = _cmGrPlotObjEvent;
f->eventCbArg = arg;
f->vextCbFunc = _cmGrPlotObjVExt;
f->vextCbArg = arg;
f->isInsideCbFunc = _cmGrPlotObjIsInside;
f->isInsideCbArg = arg;
}
//------------------------------------------------------------------------------------------------------------------
// Plot Object Public Functions
//------------------------------------------------------------------------------------------------------------------
cmGrPlRC_t cmGrPlotObjCreate(
cmGrPlH_t hh,
cmGrH_t grH,
cmGrPlObjH_t* hp,
unsigned id,
cmGrPlObjH_t parentPlObjH,
cmGrPlObjH_t xAnchorPlObjH,
cmGrPlObjH_t yAnchorPlObjH,
cmGrPlObjTypeId_t typeId,
unsigned cfgFlags,
cmReal_t x,
cmReal_t y,
cmReal_t w,
cmReal_t h,
const cmChar_t* label,
const cmGrVExt_t* wext )
{
cmGrPlRC_t rc;
cmGrObjFunc_t funcs;
if((rc = cmGrPlotObjDestroy(hp)) != kOkGrPlRC )
return rc;
cmGrPl_t* p = _cmGrPlHandleToPtr(hh);
cmGrPlotObj_t* op = cmMemAllocZ(cmGrPlotObj_t,1);
_cmGrPlotObjLink(p,op);
_cmGrPlotFuncObjSetupDefault(&funcs,op);
// setup the object
op->grH = grH;
op->typeId = typeId;
op->cfgFlags = cfgFlags;
op->stateFlags = kEnabledGrPlFl;
op->label = label==NULL ?NULL : cmMemAllocStr(label);
op->labelFlags = kHorzCtrJsGrFl | kVertCtrJsGrFl;
op->labelAngle = 0;
op->labelColor = kBlackGrId;
op->grObjH = cmGrObjNullHandle;
op->parent = cmGrPlotObjIsValid(parentPlObjH) ? _cmGrPlObjHandleToPtr(parentPlObjH) : NULL;
op->xAnchor = cmGrPlotObjIsValid(xAnchorPlObjH) ? _cmGrPlObjHandleToPtr(xAnchorPlObjH) : NULL;
op->yAnchor = cmGrPlotObjIsValid(yAnchorPlObjH) ? _cmGrPlObjHandleToPtr(yAnchorPlObjH) : NULL;
op->p = p;
op->fontId = kHelveticaFfGrId;
op->fontSize = 12;
op->fontStyle = kNormalFsGrFl;
op->cbFunc = p->cbFunc;
op->cbArg = p->cbArg;
if( cmIsFlag(op->cfgFlags,kSymbolGrPlFl) )
{
int ww = w==0 ? kDefaultSymW : w;
int hh = h==0 ? kDefaultSymH : h;
op->loffs = ww/2;
op->roffs = ww/2;
op->toffs = hh/2;
op->boffs = hh/2;
w = 0;
h = 0;
}
cmGrVExtSet(&op->vext,x,y,w,h);
// set the default colors
op->drawColors[kSelectPlGrId] = 0xcd853f;
op->fillColors[kSelectPlGrId] = 0xdeb887;
op->drawColors[kFocusPlGrId] = 0x483d8b;
op->fillColors[kFocusPlGrId] = 0x8470ff;
op->drawColors[kEnablePlGrId] = 0x000000;
op->fillColors[kEnablePlGrId] = 0x009ff7;
op->drawColors[kDisablePlGrId] = 0xbebebe;
op->fillColors[kDisablePlGrId] = 0xd3d3de;
unsigned grObjCfgFlags = 0;
cmGrObjH_t parentGrH = op->parent == NULL ? cmGrObjNullHandle : op->parent->grObjH;
// create the graphics system object - during this call a
// call is made to funcs.create().
if( cmGrObjCreate(grH, &op->grObjH, parentGrH, &funcs, id, grObjCfgFlags, wext ) != kOkGrRC )
{
rc = cmErrMsg(&p->err,kGrFailGrPlRC,"Graphic system object create failed for object (id=%i).",id);
goto errLabel;
}
if( hp != NULL )
hp->h = op;
errLabel:
if( rc != kOkGrPlRC )
_cmGrPlotObjDelete(op);
return rc;
}
cmGrPlRC_t cmGrPlotObjDestroy( cmGrPlObjH_t* hp )
{
cmGrPlRC_t rc = kOkGrPlRC;
if( hp==NULL || cmGrPlotObjIsValid(*hp)==false )
return kOkGrPlRC;
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(*hp);
if((rc = _cmGrPlotObjDelete(op)) != kOkGrPlRC )
return rc;
hp->h = NULL;
return rc;
}
bool cmGrPlotObjIsValid( cmGrPlObjH_t h )
{ return h.h != NULL; }
cmGrPlH_t cmGrPlotObjMgrHandle( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
cmGrPlH_t grPlH;
grPlH.h = op->p;
return grPlH;
}
cmGrObjH_t cmGrPlotObjHandle( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->grObjH;
}
cmGrPlObjH_t cmGrPlotObjParent( cmGrPlObjH_t oh )
{
cmGrPlObjH_t p_oh;
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
p_oh.h = op->parent;
return p_oh;
}
cmGrPlObjH_t cmGrPlotObjXAnchor( cmGrPlObjH_t oh )
{
cmGrPlObjH_t p_oh;
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
p_oh.h = op->xAnchor;
return p_oh;
}
cmGrPlObjH_t cmGrPlotObjYAnchor( cmGrPlObjH_t oh )
{
cmGrPlObjH_t p_oh;
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
p_oh.h = op->yAnchor;
return p_oh;
}
void cmGrPlotObjSetId( cmGrPlObjH_t oh, unsigned id )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
cmGrObjSetId( op->grObjH, id );
}
void cmGrPlotObjSetUserPtr( cmGrPlObjH_t oh, void* userPtr )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
if( op->userByteCnt != 0 )
{
cmMemFree(op->userPtr);
op->userByteCnt = 0;
}
op->userPtr = userPtr;
}
void cmGrPlotObjAllocUser( cmGrPlObjH_t oh, const void* data, unsigned byteCnt )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
if( op->userByteCnt != byteCnt )
{
if( op->userByteCnt != 0 )
{
cmMemFree(op->userPtr);
op->userByteCnt = 0;
}
op->userPtr = cmMemAlloc(char,byteCnt);
op->userByteCnt = byteCnt;
}
memcpy(op->userPtr,data,byteCnt);
}
void* cmGrPlotObjUserPtr( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->userPtr;
}
unsigned cmGrPlotObjId( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return cmGrObjId(op->grObjH);
}
void cmGrPlotObjSetLabel( cmGrPlObjH_t oh, const cmChar_t* label )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
if( label == op->label || (label != NULL && op->label!=NULL && strcmp(label,op->label)==0 ))
return;
cmMemPtrFree(&op->label);
if( label != NULL )
{
assert( op->label == NULL );
op->label = cmMemAllocStr(label);
}
}
const cmChar_t* cmGrPlotObjLabel( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->label;
}
void cmGrPlotObjSetLabelAttr( cmGrPlObjH_t oh, unsigned flags, int angle, const cmGrColor_t color )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
op->labelFlags = flags;
op->labelAngle = angle;
op->labelColor = color;
}
unsigned cmGrPlotObjLabelFlags( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->labelFlags;
}
int cmGrPlotObjLabelAngle( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->labelAngle;
}
cmGrColor_t cmGrPlotObjLabelColor( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->labelColor;
}
void cmGrPlotObjSetStateFlags( cmGrPlObjH_t oh, unsigned flags )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
if( cmIsFlag(flags,kVisibleGrPlFl) != _cmGrPlotObjIsVisible(op) )
{
if( _cmGrPlotObjCb(op, kPreEventCbSelGrPlId, kVisibleGrPlFl ) == false )
return;
op->cfgFlags = cmTogFlag(op->cfgFlags,kNoDrawGrPlFl);
_cmGrPlotObjCb(op, kStateChangeGrPlId, kVisibleGrPlFl );
}
if( cmIsFlag(flags,kEnabledGrPlFl) != _cmGrPlotObjIsEnabled(op) )
{
if( _cmGrPlotObjCb(op, kPreEventCbSelGrPlId, kEnabledGrPlFl ) == false )
return;
op->stateFlags = cmTogFlag(op->cfgFlags,kEnabledGrPlFl);
_cmGrPlotObjCb(op, kStateChangeGrPlId, kEnabledGrPlFl );
}
bool fl;
if( cmIsFlag(flags,kSelectGrPlFl) != (fl=_cmGrPlotObjIsSelected(op)) )
_cmGrPlotObjSetSelect(op, !fl );
if( cmIsFlag(flags,kFocusGrPlFl) != (fl=_cmGrPlotObjIsFocused(op)) )
if( fl )
_cmGrPlotObjSetFocus(op);
}
unsigned cmGrPlotObjStateFlags( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return
(_cmGrPlotObjIsEnabled(op) ? kEnabledGrPlFl : 0)
| (_cmGrPlotObjIsVisible(op) ? kVisibleGrPlFl : 0)
| (_cmGrPlotObjIsFocused(op) ? kFocusGrPlFl : 0)
| (_cmGrPlotObjIsSelected(op) ? kSelectGrPlFl : 0);
}
void cmGrPlotObjSetCfgFlags( cmGrPlObjH_t oh, unsigned flags )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
op->cfgFlags = flags;
}
void cmGrPlotObjClrCfgFlags( cmGrPlObjH_t oh, unsigned flags )
{
unsigned curFlags = cmGrPlotObjCfgFlags(oh);
cmGrPlotObjSetCfgFlags(oh, cmClrFlag(curFlags,flags));
}
void cmGrPlotObjTogCfgFlags( cmGrPlObjH_t oh, unsigned flags )
{
unsigned curFlags = cmGrPlotObjCfgFlags(oh);
cmGrPlotObjSetCfgFlags(oh, cmTogFlag(curFlags,flags));
}
unsigned cmGrPlotObjCfgFlags( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->cfgFlags;
}
cmGrPlRC_t cmGrPlotObjSetPhysExt( cmGrPlObjH_t oh, int loffs, int toffs, int roffs, int boffs )
{
cmGrPlRC_t rc = kOkGrPlRC;
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
op->loffs = loffs;
op->toffs = toffs;
op->roffs = roffs;
op->boffs = boffs;
return rc;
}
void cmGrPlotObjPhysExt( cmGrPlObjH_t oh, int* loffs, int* toffs, int* roffs, int* boffs )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
if( loffs != NULL )
*loffs = op->loffs;
if( toffs != NULL )
*toffs = op->toffs;
if( roffs != NULL )
*roffs = op->roffs;
if( boffs != NULL )
*boffs = op->boffs;
}
void cmGrPlotObjVExt( cmGrPlObjH_t oh, cmGrVExt_t* vext )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
_cmGrPlotObjGetVExt(op, vext);
}
void cmGrPlotObjSetFontFamily( cmGrPlObjH_t oh, unsigned id )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
op->fontId = id;
}
unsigned cmGrPlotObjFontFamily( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->fontId;
}
void cmGrPlotObjSetFontStyle( cmGrPlObjH_t oh, unsigned style )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
op->fontStyle = style;
}
unsigned cmGrPlotObjFontStyle( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->fontStyle;
}
void cmGrPlotObjSetFontSize( cmGrPlObjH_t oh, unsigned size )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
op->fontSize = size;
}
unsigned cmGrPlotObjFontSize( cmGrPlObjH_t oh )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
return op->fontSize;
}
void cmGrPlotObjSetLineColor( cmGrPlObjH_t oh, cmGrPlStateId_t id, const cmGrColor_t c )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
assert( id < kMaxPlGrId );
op->drawColors[ id ] = c;
}
cmGrColor_t cmGrPlotObjLineColor( cmGrPlObjH_t oh, cmGrPlStateId_t id )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
assert( id < kMaxPlGrId );
return op->drawColors[id];
}
cmGrColor_t cmGrPlotObjCurLineColor( cmGrPlObjH_t h )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(h);
return _cmGrPlotColor(op,op->drawColors);
}
void cmGrPlotObjSetFillColor( cmGrPlObjH_t oh, cmGrPlStateId_t id, const cmGrColor_t c )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
assert( id < kMaxPlGrId );
op->fillColors[ id ] = c;
}
cmGrColor_t cmGrPlotObjFillColor( cmGrPlObjH_t oh, cmGrPlStateId_t id )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(oh);
assert( id < kMaxPlGrId );
return op->fillColors[id];
}
cmGrColor_t cmGrPlotObjCurFillColor( cmGrPlObjH_t h )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(h);
return _cmGrPlotColor(op,op->fillColors);
}
void cmGrPlotObjSetCb( cmGrPlObjH_t h, cmGrPlotCbFunc_t func, void* arg )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(h);
op->cbFunc = func;
op->cbArg = arg;
}
cmGrPlotCbFunc_t cmGrPlotObjCbFunc( cmGrPlObjH_t h )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(h);
return op->cbFunc;
}
void* cmGrPlotObjCbArg( cmGrPlObjH_t h )
{
cmGrPlotObj_t* op = _cmGrPlObjHandleToPtr(h);
return op->cbArg;
}
void cmGrPlotObjDrawAbove( cmGrPlObjH_t bH, cmGrPlObjH_t aH )
{
cmGrPlotObj_t* bop = _cmGrPlObjHandleToPtr(bH);
cmGrPlotObj_t* aop = _cmGrPlObjHandleToPtr(aH);
cmGrObjDrawAbove(bop->grObjH,aop->grObjH);
}
//------------------------------------------------------------------------------------------------------------------
// Plot Object Manager Functions
//------------------------------------------------------------------------------------------------------------------
cmGrPlRC_t cmGrPlotCreate( cmCtx_t* ctx, cmGrPlH_t* hp )
{
cmGrPlRC_t rc;
if((rc = cmGrPlotDestroy(hp)) != kOkGrPlRC )
return rc;
cmGrPl_t* p = cmMemAllocZ(cmGrPl_t,1);
cmErrSetup(&p->err,&ctx->rpt,"cmGrPlot");
p->ctx = ctx;
hp->h = p;
if( rc != kOkGrPlRC )
_cmGrPlotDestroy(p);
return rc;
}
cmGrPlRC_t cmGrPlotDestroy( cmGrPlH_t* hp )
{
cmGrPlRC_t rc;
if( hp==NULL || cmGrPlotIsValid(*hp) == false )
return kOkGrPlRC;
cmGrPl_t* p = _cmGrPlHandleToPtr(*hp);
if((rc = _cmGrPlotDestroy(p)) != kOkGrPlRC )
return rc;
hp->h = NULL;
return rc;
}
bool cmGrPlotIsValid( cmGrPlH_t h )
{ return h.h != NULL; }
cmGrPlRC_t cmGrPlotClear( cmGrPlH_t h )
{
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
return _cmGrPlotClear(p);
}
cmErr_t* cmGrPlotErr( cmGrPlH_t h )
{
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
return &p->err;
}
cmRpt_t* cmGrPlotRpt( cmGrPlH_t h )
{
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
return p->err.rpt;
}
cmGrPlObjH_t cmGrPlotObjectIdToHandle( cmGrPlH_t h, unsigned id )
{
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
cmGrPlObjH_t oh = cmGrPlObjNullHandle;
cmGrPlotObj_t* op = p->list;
for(; op!=NULL; op=op->next)
if( cmGrObjId(op->grObjH) == id )
{
oh.h = op;
break;
}
return oh;
}
unsigned cmGrPlotObjectCount( cmGrPlH_t h )
{
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
cmGrPlotObj_t* op = p->list;
unsigned n = 0;
for(; op!=NULL; ++n )
op=op->next;
return n;
}
cmGrPlObjH_t cmGrPlotObjectIndexToHandle( cmGrPlH_t h, unsigned index )
{
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
cmGrPlotObj_t* op = p->list;
unsigned i = 0;
cmGrPlObjH_t oh = cmGrPlObjNullHandle;
for(; i<index && op!=NULL; ++i)
op = op->next;
if( op != NULL )
oh.h = op;
return oh;
}
void cmGrPlotKeyEvent( cmGrPlH_t h, cmGrH_t grH, unsigned eventFlags, cmGrKeyCodeId_t keycode )
{
assert( cmIsFlag(eventFlags,kKeyDnGrFl | kKeyUpGrFl));
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
if( p->fop != NULL && cmHandlesAreEqual(p->fop->grH,grH) )
{
cmGrObjFuncArgs_t a;
memset(&a,0,sizeof(a));
a.cbArg = p->fop;
a.ctx = p->ctx;
a.grH = grH;
a.objH = p->fop->grObjH;
_cmGrPlotObjEvent(&a, eventFlags, keycode, 0, 0 );
}
}
void cmGrPlotSetCb( cmGrPlH_t h, cmGrPlotCbFunc_t func, void* arg )
{
cmGrPl_t* p = _cmGrPlHandleToPtr(h);
p->cbFunc = func;
p->cbArg = arg;
}
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