]> git.lyx.org Git - lyx.git/blobdiff - src/insets/InsetTabular.cpp
InsetTabular.cpp:
[lyx.git] / src / insets / InsetTabular.cpp
index 4c586542e227f42857890e3694f96c32277cf4ac..8367da719c9bbedd817543985c3b832b6920aa7a 100644 (file)
@@ -514,6 +514,9 @@ string const featureAsString(Tabular::Feature action)
 Tabular::CellData::CellData(Buffer * buf)
        : cellno(0),
          width(0),
+         height(0),
+         ascent(0),
+         descent(0),
          multicolumn(Tabular::CELL_NORMAL),
          multirow(Tabular::CELL_NORMAL),
          alignment(LYX_ALIGN_CENTER),
@@ -586,7 +589,9 @@ Tabular::RowData::RowData()
          endfoot(false),
          endlastfoot(false),
          newpage(false),
-         caption(false)
+         caption(false),
+         valignment(LYX_VALIGN_TOP),
+         maxheight(0)
 {}
 
 
@@ -1544,6 +1549,13 @@ Tabular::idx_type Tabular::setMultiRow(idx_type cell, idx_type number)
        CellData & cs = cellInfo(cell);
        cs.multirow = CELL_BEGIN_OF_MULTIROW;
        cs.valignment = LYX_VALIGN_MIDDLE;
+       // FIXME: the horizontal alignment of multirow cells can only
+       // be changed for the whole table,
+       // support for this needs to be implemented but us a fileformat
+       // change (assigning this to uwestoehr)
+       // until LyX supports this, use the deault alignment of multirow
+       // cells: left
+       cs.alignment = LYX_ALIGN_LEFT; 
 
        // set the bottom row of the last selected cell
        setBottomLine(cell, bottomLine(cell + (number - 1)*ncols()));
@@ -1601,6 +1613,7 @@ void Tabular::unsetMultiRow(idx_type cell)
                return;
 
        cellInfo(cell).valignment = LYX_VALIGN_TOP;
+       cellInfo(cell).alignment = LYX_ALIGN_CENTER;
        row_type const row = cellRow(cell);
        col_type const col = cellColumn(cell);
        row_type const span = rowSpan(cell);
@@ -3229,6 +3242,17 @@ void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
                        tabular.setCellWidth(cell, dim.wid);
                        maxAsc  = max(maxAsc, dim.asc);
                        maxDesc = max(maxDesc, dim.des);
+
+                       // store the height for every cell
+                       // this is later needed in InsetTabular::draw to determine the valignment
+                       int const top_space_cell = tabular.row_info[r].top_space_default ?
+                       default_line_space :
+                       tabular.row_info[r].top_space.inPixels(mi.base.textwidth);
+                       int const bottom_space_cell = tabular.row_info[r].bottom_space_default ?
+                       default_line_space :
+                       tabular.cell_info[r][c].height = dim.asc + dim.des;
+                       tabular.cell_info[r][c].ascent = dim.asc;
+                       tabular.cell_info[r][c].descent = dim.des;
                }
                int const top_space = tabular.row_info[r].top_space_default ?
                        default_line_space :
@@ -3245,6 +3269,7 @@ void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
        dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
 }
 
+
 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) 
        const
 {
@@ -3291,7 +3316,32 @@ void InsetTabular::draw(PainterInfo & pi, int x, int y) const
        bool const original_selection_state = pi.selected;
 
        idx_type idx = 0;
+       int cy = 0;
        first_visible_cell = Tabular::npos;
+
+       // determine the highest cell because its valignment sets the row valignment
+       // also store its height
+       for (row_type r = 0; r < tabular.nrows(); ++r) {
+               int nx = x;
+               for (col_type c = 0; c < tabular.ncols(); ++c) {
+                       if (tabular.cell_info[r][c].height >= tabular.row_info[r].maxheight) {
+                               tabular.row_info[r].maxheight = tabular.cell_info[r][c].height;
+                               switch (tabular.getVAlignment(tabular.cellIndex(r, c))) {
+                                       case Tabular::LYX_VALIGN_TOP:
+                                               tabular.row_info[r].valignment = Tabular::LYX_VALIGN_TOP;
+                                               break;
+                                       case Tabular::LYX_VALIGN_MIDDLE:
+                                               tabular.row_info[r].valignment = Tabular::LYX_VALIGN_MIDDLE;
+                                               break;
+                                       case Tabular::LYX_VALIGN_BOTTOM:
+                                               tabular.row_info[r].valignment = Tabular::LYX_VALIGN_BOTTOM;
+                                               break;
+                               }
+                       }
+               }
+       }
+
+       // step over all cells
        for (row_type r = 0; r < tabular.nrows(); ++r) {
                int nx = x;
                for (col_type c = 0; c < tabular.ncols(); ++c) {
@@ -3309,8 +3359,75 @@ void InsetTabular::draw(PainterInfo & pi, int x, int y) const
                                first_visible_cell = idx;
 
                        pi.selected |= isCellSelected(cur, r, c);
+
+                       // set the position for the vertical alignment
+                       // if the cell is not the highest, align it according to the row valignment
+                       // and according to its own valignment
+                       // Note: The fractions of the scent values were found by testing
+                       // there is no bettwer way for the calculation because of LyX's definition
+                       // of ascent and descent. The correct way would be to calculate based
+                       // on the text height, the line space and paragraph separation.
+                       cy = y;
+                       if (tabular.cell_info[r][c].height < tabular.row_info[r].maxheight) {
+                               switch (tabular.row_info[r].valignment) {
+                                       case Tabular::LYX_VALIGN_TOP:
+                                               switch (tabular.getVAlignment(idx)) {
+                                                       case Tabular::LYX_VALIGN_TOP:
+                                                               break;
+                                                       case Tabular::LYX_VALIGN_MIDDLE:
+                                                               cy += - tabular.cell_info[r][c].descent / 2
+                                                                       + 0.3 * tabular.cell_info[r][c].ascent;
+                                                               // FIXME the row also needs to be increased at the upper border
+                                                               break;
+                                                       case Tabular::LYX_VALIGN_BOTTOM:
+                                                               cy += - tabular.cell_info[r][c].descent
+                                                                       + 0.6 * tabular.cell_info[r][c].ascent;
+                                                               // FIXME the row also needs to be increased at the upper border
+                                                               break;
+                                               }
+                                               break;
+                                       case Tabular::LYX_VALIGN_MIDDLE:
+                                               switch (tabular.getVAlignment(idx)) {
+                                                       case Tabular::LYX_VALIGN_TOP:
+                                                               cy += tabular.row_info[r].maxheight / 2
+                                                                       - 0.75 * tabular.cell_info[r][c].ascent;
+                                                               break;
+                                                       case Tabular::LYX_VALIGN_MIDDLE:
+                                                               cy += tabular.row_info[r].maxheight / 2
+                                                                       - tabular.cell_info[r][c].descent / 2
+                                                                       - 0.5 * tabular.cell_info[r][c].ascent;
+                                                               break;
+                                                       case Tabular::LYX_VALIGN_BOTTOM:
+                                                               cy += tabular.row_info[r].maxheight / 2
+                                                                       - tabular.cell_info[r][c].descent
+                                                                       - 0.2 * tabular.cell_info[r][c].ascent;
+                                                               break;
+                                               }
+                                               break;
+                                       case Tabular::LYX_VALIGN_BOTTOM:
+                                               switch (tabular.getVAlignment(idx)) {
+                                                       case Tabular::LYX_VALIGN_TOP:
+                                                               cy += tabular.row_info[r].maxheight
+                                                                       - 1.5 * tabular.cell_info[r][c].ascent;
+                                                               break;
+                                                       case Tabular::LYX_VALIGN_MIDDLE:
+                                                               cy += tabular.row_info[r].maxheight
+                                                                       - tabular.cell_info[r][c].descent / 2
+                                                                       - 1.2 * tabular.cell_info[r][c].ascent;
+                                                               // FIXME the row also needs to be increased at the lower border
+                                                               break;
+                                                       case Tabular::LYX_VALIGN_BOTTOM:
+                                                               cy += tabular.row_info[r].maxheight
+                                                                       - tabular.cell_info[r][c].descent
+                                                                       - 0.9 * tabular.cell_info[r][c].ascent;
+                                                               // FIXME the row also needs to be increased at the lower border
+                                                               break;
+                                               }
+                                               break;
+                               }
+                       }
+
                        int const cx = nx + tabular.textHOffset(idx);
-                       int const cy = y  + tabular.textVOffset(idx);
                        // Cache the Inset position.
                        bv->coordCache().insets().add(cell(idx).get(), cx, cy);
                        cell(idx)->draw(pi, cx, cy);
@@ -3386,49 +3503,42 @@ void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
 
 
 void InsetTabular::drawCellLines(Painter & pain, int x, int y,
-                                row_type row, idx_type cell, Change const & change) const
+                                                                row_type row, idx_type cell, Change const & change) const
 {
-       y = y - tabular.rowAscent(row);
+       y -= tabular.rowAscent(row);
        int const w = tabular.columnWidth(cell);
        int const h = tabular.cellHeight(cell);
-       bool on_off = false;
-       Color col = Color_tabularline;
-       Color onoffcol = Color_tabularonoffline;
+       Color linecolor = change.changed() ? change.color() : Color_tabularline;
+       Color gridcolor = change.changed() ? change.color() : Color_tabularonoffline;
 
-       if (change.changed()) {
-               col = change.color();
-               onoffcol = change.color();
-       }
-
-       bool topalreadydrawn = row > 0 && !tabular.rowTopLine(row) 
+       // Top
+       bool drawline = tabular.topLine(cell) || row > 0
                && tabular.bottomLine(tabular.cellAbove(cell));
+       pain.line(x, y, x + w, y,
+               drawline ? linecolor : gridcolor,
+               drawline ? Painter::line_solid : Painter::line_onoffdash);
 
-       if (!topalreadydrawn) {
-               on_off = !tabular.topLine(cell);
-               pain.line(x, y, x + w, y,
-                       on_off ? onoffcol : col,
-                       on_off ? Painter::line_onoffdash : Painter::line_solid);
-       }
-       on_off = !tabular.bottomLine(cell);
+       // Bottom
+       drawline = tabular.bottomLine(cell);
        pain.line(x, y + h, x + w, y + h,
-               on_off ? onoffcol : col,
-               on_off ? Painter::line_onoffdash : Painter::line_solid);
-
-       col_type const column = tabular.cellColumn(cell);
-       bool leftalreadydrawn = column > 0  && !tabular.leftLine(cell)
-               && tabular.rightLine(tabular.cellIndex(row, column - 1));
-
-       if (!leftalreadydrawn) {
-               on_off = !tabular.leftLine(cell);
-               pain.line(x, y, x, y + h,
-                       on_off ? onoffcol : col,
-                       on_off ? Painter::line_onoffdash : Painter::line_solid);
-       }
-       on_off = !tabular.rightLine(cell);
-       pain.line(x + w - tabular.interColumnSpace(cell), y,
-               x + w - tabular.interColumnSpace(cell), y + h,
-               on_off ? onoffcol : col,
-               on_off ? Painter::line_onoffdash : Painter::line_solid);
+               drawline ? linecolor : gridcolor,
+               drawline ? Painter::line_solid : Painter::line_onoffdash);
+
+       // Left
+       col_type const col = tabular.cellColumn(cell);
+       drawline = tabular.leftLine(cell) || col > 0
+               && tabular.rightLine(tabular.cellIndex(row, col - 1));
+       pain.line(x, y, x, y + h,
+               drawline ? linecolor : gridcolor,
+               drawline ? Painter::line_solid : Painter::line_onoffdash);
+
+       // Right
+       x -= tabular.interColumnSpace(cell);
+       drawline = tabular.rightLine(cell) || col + 1 < tabular.ncols() 
+               && tabular.leftLine(tabular.cellIndex(row, col + 1));
+       pain.line(x + w, y, x + w, y + h,
+               drawline ? linecolor : gridcolor,
+               drawline ? Painter::line_solid : Painter::line_onoffdash);
 }