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cmGrPlot.h/c Added default plot obj callback function to mgr.

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This commit is contained in:
kpl 2012-11-14 20:04:42 -08:00
parent 41a33a0333
commit 9d4c82ae37
2 changed files with 27 additions and 7 deletions
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21
cmGrPlot.c
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@ -62,10 +62,12 @@ typedef struct cmGrPlotObj_str
typedef struct cmGrPl_str
{
cmCtx_t* ctx; //
cmErr_t err; //
cmGrPlotObj_t* list; // plot object linked list
cmGrPlotObj_t* fop; // focused object ptr
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;
@ -196,7 +198,7 @@ bool _cmGrPlotObjCb( cmGrPlotObj_t* op, cmGrPlCbSelId_t selId, unsigned deltaFla
{
cmGrPlotCbArg_t a;
_cmGrPlotObjSetupCbArg(&a,op,kPreEventCbSelGrPlId);
_cmGrPlotObjSetupCbArg(&a,op,selId);
a.deltaFlags = deltaFlags;
return op->cbFunc(&a);
}
@ -743,6 +745,8 @@ cmGrPlRC_t cmGrPlotObjCreate(
op->fontId = kHelveticaFfGrId;
op->fontSize = 12;
op->fontStyle = kNormalFsGrFl;
op->cbFunc = p->cbFunc;
op->cbArg = p->cbArg;
if( cmIsFlag(op->cfgFlags,kSymbolGrPlFl) )
{
@ -1232,3 +1236,10 @@ void cmGrPlotKeyEvent( cmGrPlH_t h, cmGrH_t grH, unsigned eventFlags, cmGrKey
_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;
}

13
cmGrPlot.h
View File

@ -94,7 +94,7 @@ extern "C" {
cmGrKeyCodeId_t eventKey; // Event keys (See the cmGrEvent() keys)
int eventX; // Mouse X,Y location when event was generated (Same as cmGrEvent())
int eventY; //
unsigned deltaFlags; // Event caused an object state change (See kXXXGrPlFl flags)
unsigned deltaFlags; // Event which caused an object state change (See kXXXGrPlFl flags)
} cmGrPlotCbArg_t;
@ -104,7 +104,8 @@ extern "C" {
// the object has not yet been changed. This may be confusing because if
// the state of the object is queried inside the callback it will have the
// pre-change state - but this state will be automatically toggled when the
// callback returns 'true'.
// callback returns 'true'. Examine the arg->deltaFlags to determine the
// state attribute which is changing.
typedef bool (*cmGrPlotCbFunc_t)( cmGrPlotCbArg_t* arg );
extern cmGrPlH_t cmGrPlNullHandle;
@ -201,13 +202,21 @@ extern "C" {
cmGrPlRC_t cmGrPlotClear( cmGrPlH_t h ); // destroy all objects
cmErr_t* cmGrPlotErr( cmGrPlH_t h );
cmRpt_t* cmGrPlotRpt( cmGrPlH_t h );
// Return the count of plot objects.
unsigned cmGrPlotObjectCount( cmGrPlH_t h );
// Return the handle of the ith object (0<=index<cmGrPlotObjectCount())
cmGrPlObjH_t cmGrPlotObjectIndexToHandle( cmGrPlH_t h, unsigned index );
// Given a plot object id return the associated object handle.
cmGrPlObjH_t cmGrPlotObjectIdToHandle( cmGrPlH_t h, unsigned id );
// Pass a keyboard event to the plot system.
void cmGrPlotKeyEvent( cmGrPlH_t h, cmGrH_t grH, unsigned eventFlags, cmGrKeyCodeId_t keycode );
// Set the default object callback and arg.
void cmGrPlotSetCb( cmGrPlH_t h, cmGrPlotCbFunc_t func, void* arg );
#ifdef __cplusplus