/*********************************************************************
* Function: SLIDER *SldCreate(WORD ID, SHORT left, SHORT top, SHORT right,
* SHORT bottom, WORD state, SHORT range,
* SHORT page, SHORT pos, GOL_SCHEME *pScheme)
*
* Notes: Creates a SLIDER object and adds it to the current active list.
* If the creation is successful, the pointer to the created Object
* is returned. If not successful, NULL is returned.
*
********************************************************************/
SLIDER *SldCreate
(
WORD ID,
SHORT left,
SHORT top,
SHORT right,
SHORT bottom,
WORD state,
WORD range,
WORD page,
WORD pos,
GOL_SCHEME *pScheme
)
{
SLIDER *pSld = NULL;
pSld = (SLIDER *)GFX_malloc(sizeof(SLIDER));
if(pSld == NULL)
return (pSld);
pSld->hdr.ID = ID; // unique id assigned for referencing
pSld->hdr.pNxtObj = NULL;
pSld->hdr.type = OBJ_SLIDER; // set object type
pSld->hdr.left = left; // left and right should be equal when oriented vertically
pSld->hdr.top = top; // top and bottom should be equal when oriented horizontally
pSld->hdr.right = right;
pSld->hdr.bottom = bottom;
pSld->hdr.state = state;
pSld->hdr.DrawObj = SldDraw; // draw function
pSld->hdr.MsgObj = SldTranslateMsg; // message function
pSld->hdr.MsgDefaultObj = SldMsgDefault; // default message function
pSld->hdr.FreeObj = NULL; // default free function
// Parameters in the user defined range system (pos, page and range)
pSld->range = range; // range of the slider movement (always measured from 0 to range)
// 0 refers to pSld->minPos and
// range refers to pSld->maxpos where: minPos and maxPos are
// the coordinate equivalent of 0 and range value
pSld->page = page; // set the resolution
pSld->pos = pos; // set the initial position
// calculate the thumb width and height
pSld->thWidth = SldGetWidth(pSld);
pSld->thHeight = SldGetHeight(pSld);
// Set the color scheme to be used
if(pScheme == NULL)
pSld->hdr.pGolScheme = _pDefaultGolScheme; // use default scheme
else
pSld->hdr.pGolScheme = (GOL_SCHEME *)pScheme; // user defined scheme
GOLAddObject((OBJ_HEADER *)pSld); // add the new object to the current list
return (pSld);
}
/*********************************************************************
* Function: GFX_GOL_SCROLLBAR *GFX_GOL_Slider_Create(uint16_t ID, uint16_t left, uint16_t top, uint16_t right,
* uint16_t bottom, uint16_t state, uint16_t range,
* uint16_t page, uint16_t pos, GFX_GOL_OBJ_SCHEME *pScheme)
*
* Notes: Creates a SLIDER object and adds it to the current active list.
* If the creation is successful, the pointer to the created Object
* is returned. If not successful, NULL is returned.
*
********************************************************************/
GFX_GOL_SCROLLBAR *GFX_GOL_ScrollBarCreate
(
uint16_t ID,
uint16_t left,
uint16_t top,
uint16_t right,
uint16_t bottom,
uint16_t state,
uint16_t range,
uint16_t page,
uint16_t pos,
GFX_GOL_OBJ_SCHEME *pScheme
)
{
GFX_GOL_SCROLLBAR *pSld = NULL;
pSld = (GFX_GOL_SCROLLBAR *) GFX_malloc(sizeof (GFX_GOL_SCROLLBAR));
if (pSld == NULL)
return (pSld);
//pSld->hdr.instance = instance; //Device Instance set
pSld->hdr.ID = ID; // unique id assigned for referencing
pSld->hdr.pNxtObj = NULL;
pSld->hdr.type = GFX_GOL_SCROLLBAR_TYPE; // set object type
pSld->hdr.left = left; // left and right should be equal when oriented vertically
pSld->hdr.top = top; // top and bottom should be equal when oriented horizontally
pSld->hdr.right = right;
pSld->hdr.bottom = bottom;
pSld->hdr.state = state;
pSld->hdr.DrawObj = GFX_GOL_ScrollBarDraw; // draw function
pSld->hdr.actionGet = GFX_GOL_ScrollBarActionGet; // message function
pSld->hdr.actionSet = GFX_GOL_ScrollBarActionSet; // default message function
pSld->hdr.FreeObj = NULL; // default free function
// Parameters in the user defined range system (pos, page and range)
pSld->range = range; // range of the slider movement (always measured from 0 to range)
// 0 refers to pSld->minPos and
// range refers to pSld->maxpos where: minPos and maxPos are
// the coordinate equivalent of 0 and range value
pSld->page = page; // set the resolution
pSld->pos = pos; // set the initial position
// calculate the thumb width and height
pSld->thWidth = SldGetWidth(pSld);
pSld->thHeight = SldGetHeight(pSld);
// Set the color scheme to be used
pSld->hdr.pGolScheme = (GFX_GOL_OBJ_SCHEME *) pScheme; // user defined scheme
GFX_GOL_ObjectAdd((GFX_GOL_OBJ_HEADER *) pSld); // add the new object to the current list
return (pSld);
}
