/********************************************************************* * * 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); }