Exemplos de Ttk_TraceVariable em C++ (Cpp)

Exemplo n.º 1

Arquivo: ttkButton.c Projeto: lmiadowicz/tk

static int
CheckbuttonConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
{
    Checkbutton *checkPtr = recordPtr;
    Ttk_TraceHandle *vt = Ttk_TraceVariable(
	interp, checkPtr->checkbutton.variableObj,
	CheckbuttonVariableChanged, checkPtr);

    if (!vt) {
	return TCL_ERROR;
    }

    if (BaseConfigure(interp, recordPtr, mask) != TCL_OK){
	Ttk_UntraceVariable(vt);
	return TCL_ERROR;
    }

    Ttk_UntraceVariable(checkPtr->checkbutton.variableTrace);
    checkPtr->checkbutton.variableTrace = vt;

    return TCL_OK;
}

Exemplo n.º 2

/* ScaleConfigure --
 * 	Configuration hook.
 */
static int ScaleConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
{
    Scale *scale = recordPtr;
    Tcl_Obj *varName = scale->scale.variableObj;
    Ttk_TraceHandle *vt = 0;

    if (varName != NULL && *Tcl_GetString(varName) != '\0') {
	vt = Ttk_TraceVariable(interp,varName, ScaleVariableChanged,recordPtr);
	if (!vt) return TCL_ERROR;
    }

    if (TtkCoreConfigure(interp, recordPtr, mask) != TCL_OK) {
	if (vt) Ttk_UntraceVariable(vt);
	return TCL_ERROR;
    }

    if (scale->scale.variableTrace) {
	Ttk_UntraceVariable(scale->scale.variableTrace);
    }
    scale->scale.variableTrace = vt;

    return TCL_OK;
}