/*********************************************************************
*
* LISTVIEW__UpdateScrollParas
*
* Purpose:
* Calculates number of items and page size of both vertical
* and horizontal scrollbar. After this LISTVIEW__UpdateScrollPos will
* be called to ensure scroll positions are in valid ranges.
*/
int LISTVIEW__UpdateScrollParas(LISTVIEW_Handle hObj, LISTVIEW_Obj* pObj) {
int NumRows, IsRequired;
int xSize, xSizeHeader;
unsigned NumVisibleRows;
NumVisibleRows = _GetNumVisibleRows(hObj, pObj);
xSize = _GetXSize(hObj);
xSizeHeader = _GetHeaderWidth(pObj);
if (pObj->Flags & LISTVIEW_SF_AUTOSCROLLBAR_V) {
IsRequired = (NumVisibleRows < GUI_ARRAY_GetNumItems(&pObj->RowArray));
WM_SetScrollbarV(hObj, IsRequired);
}
if (pObj->Flags & LISTVIEW_SF_AUTOSCROLLBAR_H) {
IsRequired = (xSizeHeader > xSize);
WM_SetScrollbarH(hObj, IsRequired);
NumVisibleRows = _GetNumVisibleRows(hObj, pObj);
}
NumRows = LISTVIEW__GetNumRows(pObj);
/* update vertical scrollbar */
pObj->ScrollStateV.PageSize = NumVisibleRows;
pObj->ScrollStateV.NumItems = (NumRows) ? NumRows : 1;
/* update horizontal scrollbar */
pObj->ScrollStateH.PageSize = xSize;
pObj->ScrollStateH.NumItems = xSizeHeader;
return LISTVIEW__UpdateScrollPos(hObj, pObj);
}
/*********************************************************************
*
* LISTVIEW__UpdateScrollParas
*
* Purpose:
* Calculates number of items and page size of both vertical
* and horizontal scrollbar. After this LISTVIEW__UpdateScrollPos will
* be called to ensure scroll positions are in valid ranges.
*/
int LISTVIEW__UpdateScrollParas(LISTVIEW_Handle hObj, LISTVIEW_Obj* pObj) {
int NumRows;
NumRows = GUI_ARRAY_GetNumItems(&pObj->RowArray);
/* update vertical scrollbar */
pObj->ScrollStateV.PageSize = _GetNumVisibleRows(hObj, pObj);
pObj->ScrollStateV.NumItems = (NumRows) ? NumRows : 1;
/* update horizontal scrollbar */
pObj->ScrollStateH.PageSize = _GetXSize(hObj);
pObj->ScrollStateH.NumItems = _GetHeaderWidth(pObj, pObj->hHeader);
return LISTVIEW__UpdateScrollPos(hObj, pObj);
}
/*********************************************************************
*
* _Paint
*/
static void _Paint(LISTVIEW_Handle hObj, LISTVIEW_Obj* pObj, WM_MESSAGE* pMsg) {
const GUI_ARRAY* pRow;
GUI_RECT ClipRect, Rect;
int NumRows, NumVisRows, NumColumns;
int LBorder, RBorder, EffectSize;
int xPos, yPos, Width, RowDistY;
int Align, i, j, EndRow;
/* Init some values */
NumColumns = HEADER_GetNumItems(pObj->hHeader);
NumRows = GUI_ARRAY_GetNumItems(&pObj->RowArray);
NumVisRows = _GetNumVisibleRows(hObj, pObj);
RowDistY = LISTVIEW__GetRowDistY(pObj);
LBorder = pObj->LBorder;
RBorder = pObj->RBorder;
EffectSize = pObj->Widget.pEffect->EffectSize;
yPos = HEADER_GetHeight(pObj->hHeader) + EffectSize;
EndRow = pObj->ScrollStateV.v + (((NumVisRows + 1) > NumRows) ? NumRows : NumVisRows + 1);
/* Calculate clipping rectangle */
ClipRect = *(const GUI_RECT*)pMsg->Data.p;
GUI_MoveRect(&ClipRect, -pObj->Widget.Win.Rect.x0, -pObj->Widget.Win.Rect.y0);
WM_GetInsideRectExScrollbar(hObj, &Rect);
GUI__IntersectRect(&ClipRect, &Rect);
/* Set drawing color, font and text mode */
LCD_SetColor(pObj->Props.aTextColor[0]);
GUI_SetFont(pObj->Props.pFont);
GUI_SetTextMode(GUI_TM_TRANS);
/* Do the drawing */
for (i = pObj->ScrollStateV.v; i < EndRow; i++) {
pRow = (const GUI_ARRAY*)GUI_ARRAY_GetpItem(&pObj->RowArray, i);
if (pRow) {
Rect.y0 = yPos;
/* Break when all other rows are outside the drawing area */
if (Rect.y0 > ClipRect.y1) {
break;
}
Rect.y1 = yPos + RowDistY - 1;
/* Make sure that we draw only when row is in drawing area */
if (Rect.y1 >= ClipRect.y0) {
int ColorIndex;
/* Set background color */
if (i == pObj->Sel) {
ColorIndex = (pObj->Widget.State & WIDGET_STATE_FOCUS) ? 2 : 1;
} else {
ColorIndex = 0;
}
LCD_SetBkColor(pObj->Props.aBkColor[ColorIndex]);
/* Iterate over all columns */
if (pObj->ShowGrid) {
Rect.y1--;
}
xPos = EffectSize - pObj->ScrollStateH.v;
for (j = 0; j < NumColumns; j++) {
Width = HEADER_GetItemWidth(pObj->hHeader, j);
Rect.x0 = xPos;
/* Break when all other columns are outside the drawing area */
if (Rect.x0 > ClipRect.x1) {
break;
}
Rect.x1 = xPos + Width - 1;
/* Make sure that we draw only when column is in drawing area */
if (Rect.x1 >= ClipRect.x0) {
LISTVIEW_ITEM * pItem;
pItem = (LISTVIEW_ITEM *)GUI_ARRAY_GetpItem(pRow, j);
if (pItem->hItemInfo) {
LISTVIEW_ITEM_INFO * pItemInfo;
pItemInfo = (LISTVIEW_ITEM_INFO *)GUI_ALLOC_h2p(pItem->hItemInfo);
LCD_SetBkColor(pItemInfo->aBkColor[ColorIndex]);
LCD_SetColor(pItemInfo->aTextColor[ColorIndex]);
} else {
LCD_SetColor(pObj->Props.aTextColor[ColorIndex]);
}
/* Clear background */
GUI_ClearRect(Rect.x0, Rect.y0, Rect.x1, Rect.y1);
/* Draw text */
Rect.x0 += LBorder;
Rect.x1 -= RBorder;
Align = *((int*)GUI_ARRAY_GetpItem(&pObj->AlignArray, j));
GUI_DispStringInRect(pItem->acText, &Rect, Align);
if (pItem->hItemInfo) {
LCD_SetBkColor(pObj->Props.aBkColor[ColorIndex]);
}
}
xPos += Width;
}
/* Clear unused area to the right of items */
if (xPos <= ClipRect.x1) {
GUI_ClearRect(xPos, Rect.y0, ClipRect.x1, Rect.y1);
}
}
yPos += RowDistY;
}
}
/* Clear unused area below items */
if (yPos <= ClipRect.y1) {
LCD_SetBkColor(pObj->Props.aBkColor[0]);
GUI_ClearRect(ClipRect.x0, yPos, ClipRect.x1, ClipRect.y1);
}
/* Draw grid */
if (pObj->ShowGrid) {
LCD_SetColor(pObj->Props.GridColor);
yPos = HEADER_GetHeight(pObj->hHeader) + EffectSize - 1;
for (i = 0; i < NumVisRows; i++) {
yPos += RowDistY;
/* Break when all other rows are outside the drawing area */
if (yPos > ClipRect.y1) {
break;
}
/* Make sure that we draw only when row is in drawing area */
if (yPos >= ClipRect.y0) {
GUI_DrawHLine(yPos, ClipRect.x0, ClipRect.x1);
}
}
xPos = EffectSize - pObj->ScrollStateH.v;
for (i = 0; i < NumColumns; i++) {
xPos += HEADER_GetItemWidth(pObj->hHeader, i);
/* Break when all other columns are outside the drawing area */
if (xPos > ClipRect.x1) {
break;
}
/* Make sure that we draw only when column is in drawing area */
if (xPos >= ClipRect.x0) {
GUI_DrawVLine(xPos, ClipRect.y0, ClipRect.y1);
}
}
}
/* Draw the effect */
WIDGET__EFFECT_DrawDown(&pObj->Widget);
}
/*********************************************************************
*
* _Paint
*/
static void _Paint(LISTVIEW_Handle hObj, LISTVIEW_Obj* pObj, WM_MESSAGE* pMsg) {
const LISTVIEW_ROW* pRow;
GUI_RECT ClipRect, Rect;
int NumRows, NumVisRows, NumColumns;
int LBorder, RBorder, EffectSize;
int xPos, yPos, Width, RowDistY;
int Align, i, j, EndRow;
/* Init some values */
NumColumns = LISTVIEW__GetNumColumns(pObj);
NumRows = LISTVIEW__GetNumRows(pObj);
NumVisRows = _GetNumVisibleRows(hObj, pObj);
RowDistY = LISTVIEW__GetRowDistY(pObj);
LBorder = pObj->LBorder;
RBorder = pObj->RBorder;
EffectSize = pObj->Widget.pEffect->EffectSize;
yPos = HEADER_GetHeight(pObj->hHeader) + EffectSize;
/* Calculate clipping rectangle */
ClipRect = *(const GUI_RECT*)pMsg->Data.p;
GUI_MoveRect(&ClipRect, -pObj->Widget.Win.Rect.x0, -pObj->Widget.Win.Rect.y0);
WM_GetInsideRectExScrollbar(hObj, &Rect);
GUI__IntersectRect(&ClipRect, &Rect);
/* Set drawing color, font and text mode */
LCD_SetColor(pObj->Props.aTextColor[0]);
GUI_SetFont(pObj->Props.pFont);
GUI_SetTextMode(GUI_TM_TRANS);
/* Sort before drawing, because scroll position may change */
if (pObj->hSort && (pObj->SortIndex >= 0)) {
LISTVIEW_SORT * pSort;
pSort = (LISTVIEW_SORT *)GUI_ALLOC_h2p(pObj->hSort);
if (pSort->fpSort(hObj)) {
return; /* Return on error */
}
}
/* Calculate end row after sorting, because scroll position may have changed */
EndRow = pObj->ScrollStateV.v + (((NumVisRows + 1) > NumRows) ? NumRows : NumVisRows + 1);
/* Do the drawing */
for (i = pObj->ScrollStateV.v; i < EndRow; i++) {
pRow = _GetpRow(pObj, i);
if (pRow) {
Rect.y0 = yPos;
/* Break when all other rows are outside the drawing area */
if (Rect.y0 > ClipRect.y1) {
break;
}
Rect.y1 = yPos + RowDistY - 1;
/* Make sure that we draw only when row is in drawing area */
if (Rect.y1 >= ClipRect.y0) {
int ColorIndex;
/* Set background color */
if (pRow->Disabled) {
ColorIndex = LISTVIEW_CI_DISABLED;
} else if (i == pObj->Sel) {
ColorIndex = (pObj->Widget.State & WIDGET_STATE_FOCUS) ? LISTVIEW_CI_SELFOCUS : LISTVIEW_CI_SEL;
} else {
ColorIndex = LISTVIEW_CI_UNSEL;
}
LCD_SetBkColor(pObj->Props.aBkColor[ColorIndex]);
/* Iterate over all columns */
if (pObj->ShowGrid) {
Rect.y1--;
}
xPos = EffectSize - pObj->ScrollStateH.v;
for (j = 0; j < NumColumns; j++) {
Width = HEADER_GetItemWidth(pObj->hHeader, j);
Rect.x0 = xPos;
/* Break when all other columns are outside the drawing area */
if (Rect.x0 > ClipRect.x1) {
break;
}
Rect.x1 = xPos + Width - 1;
/* Make sure that we draw only when column is in drawing area */
if (Rect.x1 >= ClipRect.x0) {
LISTVIEW_COLUMN* pColumn;
LISTVIEW_CELL* pCell;
pCell = (LISTVIEW_CELL*)GUI_ARRAY_GetpItem(&pRow->CellArray, j);
if (pCell) {
if (pCell->hCellInfo) {
LISTVIEW_CELL_INFO* pCellInfo;
pCellInfo = (LISTVIEW_CELL_INFO*) GUI_ALLOC_h2p(pCell->hCellInfo);
LCD_SetBkColor(pCellInfo->aBkColor[ColorIndex]);
LCD_SetColor(pCellInfo->aTextColor[ColorIndex]);
} else {
LCD_SetColor(pObj->Props.aTextColor[ColorIndex]);
}
/* Clear background */
GUI_ClearRect(Rect.x0, Rect.y0, Rect.x1, Rect.y1);
/* Draw text */
Rect.x0 += LBorder;
Rect.x1 -= RBorder;
pColumn = (LISTVIEW_COLUMN*) GUI_ARRAY_GetpItem(&pObj->ColumnArray, j);
Align = pColumn->Align;
GUI_DispStringInRect(pCell->acText, &Rect, Align);
if (pCell->hCellInfo) {
LCD_SetBkColor(pObj->Props.aBkColor[ColorIndex]);
}
}
}
xPos += Width;
}
/* Clear unused area to the right of items */
if (xPos <= ClipRect.x1) {
GUI_ClearRect(xPos, Rect.y0, ClipRect.x1, Rect.y1);
}
}
yPos += RowDistY;
}
}
/* Clear unused area below items */
if (yPos <= ClipRect.y1) {
LCD_SetBkColor(pObj->Props.aBkColor[0]);
GUI_ClearRect(ClipRect.x0, yPos, ClipRect.x1, ClipRect.y1);
}
/* Draw grid */
if (pObj->ShowGrid) {
LCD_SetColor(pObj->Props.GridColor);
yPos = HEADER_GetHeight(pObj->hHeader) + EffectSize - 1;
for (i = 0; i < NumVisRows; i++) {
yPos += RowDistY;
/* Break when all other rows are outside the drawing area */
if (yPos > ClipRect.y1) {
break;
}
/* Make sure that we draw only when row is in drawing area */
if (yPos >= ClipRect.y0) {
GUI_DrawHLine(yPos, ClipRect.x0, ClipRect.x1);
}
}
xPos = EffectSize - pObj->ScrollStateH.v;
for (i = 0; i < NumColumns; i++) {
xPos += HEADER_GetItemWidth(pObj->hHeader, i);
/* Break when all other columns are outside the drawing area */
if (xPos > ClipRect.x1) {
break;
}
/* Make sure that we draw only when column is in drawing area */
if (xPos >= ClipRect.x0) {
GUI_DrawVLine(xPos, ClipRect.y0, ClipRect.y1);
}
}
}
/* Draw the effect */
WIDGET__EFFECT_DrawDown(&pObj->Widget);
}
