[vte/wip/egmont/bidi: 44/75] vte-26-draw_rows-v3.patch
- From: Egmont Koblinger <egmontkob src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [vte/wip/egmont/bidi: 44/75] vte-26-draw_rows-v3.patch
- Date: Wed, 19 Sep 2018 08:16:56 +0000 (UTC)
commit e1639aa00f2628a0e51bcc620f76c0ec094d11af
Author: Egmont Koblinger <egmont gmail com>
Date: Sat Aug 25 15:06:33 2018 +0200
vte-26-draw_rows-v3.patch
src/vte.cc | 415 +++++++++++++++++++++++--------------------------------------
1 file changed, 155 insertions(+), 260 deletions(-)
---
diff --git a/src/vte.cc b/src/vte.cc
index 74ed47b1..54e1cb6e 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -8588,7 +8588,8 @@ Terminal::draw_cells(struct _vte_draw_text_request *items,
columns = 0;
x = items[i].x;
y = items[i].y;
- for (; i < n && items[i].y == y; i++) {
+ /* Items are not necessarily continuous. */
+ for (; i < n && items[i].x == x + columns * column_width && items[i].y == y; i++) {
columns += items[i].columns;
}
if (clear && (draw_default_bg || back != VTE_DEFAULT_BG)) {
@@ -8628,7 +8629,8 @@ Terminal::draw_cells(struct _vte_draw_text_request *items,
do {
x = items[i].x;
y = items[i].y;
- for (columns = 0; i < n && items[i].y == y; i++) {
+ /* Items are not necessarily continuous. */
+ for (columns = 0; i < n && items[i].x == x + columns * column_width && items[i].y ==
y; i++) {
columns += items[i].columns;
}
switch (vte_attr_get_value(attr, VTE_ATTR_UNDERLINE_VALUE_MASK,
VTE_ATTR_UNDERLINE_SHIFT)) {
@@ -9000,23 +9002,24 @@ Terminal::draw_rows(VteScreen *screen_,
gint column_width,
gint row_height)
{
- struct _vte_draw_text_request items[4*VTE_DRAW_MAX_LENGTH];
+ struct _vte_draw_text_request items[VTE_DRAW_MAX_LENGTH];
vte::grid::row_t row, rows;
- vte::grid::column_t i, j;
+ vte::grid::column_t i, j, col;
long x, y;
guint fore, nfore, back, nback, deco, ndeco;
- gboolean hyperlink, nhyperlink, hilite, nhilite,
- selected, nselected;
+ gboolean hyperlink = FALSE, nhyperlink, hilite = FALSE, nhilite;
+ gboolean selected;
+ uint32_t attr = 0, nattr;
guint item_count;
const VteCell *cell;
VteRowData const* row_data;
uint32_t const attr_mask = m_allow_bold ? ~0 : ~VTE_ATTR_BOLD_MASK;
- /* adjust for the absolute start of row */
+ /* Adjust for the absolute start of row. */
start_x -= start_column * column_width;
- /* clear the background */
+ /* Clear the background. */
x = start_x;
y = start_y;
row = start_row;
@@ -9025,270 +9028,162 @@ Terminal::draw_rows(VteScreen *screen_,
row_data = find_row_data(row);
/* Back up in case this is a multicolumn character,
* making the drawing area a little wider. */
- i = start_column;
- if (row_data != NULL) {
- cell = _vte_row_data_get (row_data, i);
- if (cell != NULL) {
- while (cell->attr.fragment() && i > 0) {
- cell = _vte_row_data_get (row_data, --i);
- }
- }
- /* Walk the line. */
- do {
- /* Get the character cell's contents. */
- cell = _vte_row_data_get (row_data, i);
- /* Find the colors for this cell. */
- selected = cell_is_selected(i, row);
- determine_colors(cell, selected, &fore, &back, &deco);
-
- j = i + (cell ? cell->attr.columns() : 1);
-
- while (j < end_column){
- /* Retrieve the cell. */
- cell = _vte_row_data_get (row_data, j);
- /* Don't render fragments of multicolumn characters
- * which have the same attributes as the initial
- * portions. */
- if (cell != NULL && cell->attr.fragment()) {
- j++;
- continue;
- }
- /* Resolve attributes to colors where possible and
- * compare visual attributes to the first character
- * in this chunk. */
- selected = cell_is_selected(j, row);
- determine_colors(cell, selected, &nfore, &nback, &ndeco);
- if (nback != back) {
- break;
- }
- j += cell ? cell->attr.columns() : 1;
- }
- if (back != VTE_DEFAULT_BG) {
- vte::color::rgb bg;
- rgb_from_index<8, 8, 8>(back, bg);
- _vte_draw_fill_rectangle (
- m_draw,
- x + i * column_width,
- y,
- (j - i) * column_width,
- row_height,
- &bg, VTE_DRAW_OPAQUE);
- }
- /* We'll need to continue at the first cell which didn't
- * match the first one in this set. */
- i = j;
- } while (i < end_column);
- } else {
- do {
- selected = cell_is_selected(i, row);
- j = i + 1;
- while (j < end_column){
- nselected = cell_is_selected(j, row);
- if (nselected != selected) {
- break;
- }
- j++;
- }
- determine_colors(nullptr, selected, &fore, &back, &deco);
- if (back != VTE_DEFAULT_BG) {
- vte::color::rgb bg;
- rgb_from_index<8, 8, 8>(back, bg);
- _vte_draw_fill_rectangle (m_draw,
- x + i *column_width,
- y,
- (j - i) * column_width,
- row_height,
- &bg, VTE_DRAW_OPAQUE);
- }
- i = j;
- } while (i < end_column);
- }
+ i = j = start_column;
+ /* Walk the line. */
+ do {
+ /* Get the first cell's contents. */
+ cell = row_data ? _vte_row_data_get (row_data, i) : nullptr;
+ /* Find the colors for this cell. */
+ selected = cell_is_selected(i, row);
+ determine_colors(cell, selected, &fore, &back, &deco);
+
+ while (++j < end_column) {
+ /* Retrieve the next cell. */
+ cell = row_data ? _vte_row_data_get (row_data, j) : nullptr;
+ /* Resolve attributes to colors where possible and
+ * compare visual attributes to the first character
+ * in this chunk. */
+ selected = cell_is_selected(j, row);
+ determine_colors(cell, selected, &nfore, &nback, &ndeco);
+ if (nback != back) {
+ break;
+ }
+ }
+ if (back != VTE_DEFAULT_BG) {
+ vte::color::rgb bg;
+ rgb_from_index<8, 8, 8>(back, bg);
+ _vte_draw_fill_rectangle (
+ m_draw,
+ x + i * column_width,
+ y,
+ (j - i) * column_width,
+ row_height,
+ &bg, VTE_DRAW_OPAQUE);
+ }
+ /* We'll need to continue at the first cell which didn't
+ * match the first one in this set. */
+ i = j;
+ } while (i < end_column);
row++;
y += row_height;
} while (--rows);
- /* render the text */
- y = start_y;
- row = start_row;
- rows = end_row - start_row;
- item_count = 1;
- do {
- row_data = find_row_data(row);
- if (row_data == NULL) {
- goto fg_skip_row;
- }
- /* Back up in case this is a multicolumn character,
- * making the drawing area a little wider. */
- i = start_column;
- cell = _vte_row_data_get (row_data, i);
- if (cell == NULL) {
- goto fg_skip_row;
- }
- while (cell->attr.fragment() && i > 0)
- cell = _vte_row_data_get (row_data, --i);
+ /* Render the text. */
+ row = start_row;
+ y = start_y;
+ col = start_column;
- /* Walk the line. */
- do {
- /* Get the character cell's contents. */
- cell = _vte_row_data_get (row_data, i);
- if (cell == NULL) {
- goto fg_skip_row;
- }
- while (cell->c == 0 || cell->attr.invisible() ||
- (cell->c == ' ' &&
- cell->attr.has_none(VTE_ATTR_UNDERLINE_MASK |
- VTE_ATTR_STRIKETHROUGH_MASK |
- VTE_ATTR_OVERLINE_MASK) &&
- (!m_allow_hyperlink || cell->attr.hyperlink_idx == 0)) ||
- cell->attr.fragment()) {
- if (++i >= end_column) {
- goto fg_skip_row;
- }
- cell = _vte_row_data_get (row_data, i);
- if (cell == NULL) {
- goto fg_skip_row;
- }
- }
- /* Find the colors for this cell. */
- selected = cell_is_selected(i, row);
- determine_colors(cell, selected, &fore, &back, &deco);
-
- uint32_t const attr = cell->attr.attr;
-
- hyperlink = (m_allow_hyperlink && cell->attr.hyperlink_idx != 0);
- hilite = (cell->attr.hyperlink_idx != 0 && cell->attr.hyperlink_idx ==
m_hyperlink_hover_idx) ||
- (m_hyperlink_hover_idx == 0 && m_match != nullptr &&
m_match_span.contains(row, i));
-
- items[0].c = cell->c;
- items[0].columns = cell->attr.columns();
- items[0].x = start_x + i * column_width;
- items[0].y = y;
- j = i + items[0].columns;
+ do {
+ item_count = 0;
+ while (item_count < G_N_ELEMENTS(items)) {
+ /* Find next cell that we care about. */
+ cell = NULL;
+ while (row < end_row) {
+ row_data = find_row_data(row);
+ if (row_data == NULL) {
+ /* Skip row. */
+ row++;
+ y += row_height;
+ continue;
+ }
- /* Now find out how many cells have the same attributes. */
- do {
- while (j < end_column &&
- item_count < G_N_ELEMENTS(items)) {
- /* Retrieve the cell. */
- cell = _vte_row_data_get (row_data, j);
- if (cell == NULL) {
- goto fg_next_row;
- }
- /* Ignore the attributes on a fragment, the attributes
- * of the preceding character cell should apply. */
- if (cell->attr.fragment()) {
- j++;
- continue;
- }
- if (cell->c == 0){
- /* only break the run if we
- * are drawing attributes
- */
- if ((attr & (VTE_ATTR_UNDERLINE_MASK |
- VTE_ATTR_STRIKETHROUGH_MASK |
- VTE_ATTR_OVERLINE_MASK)) |
- hyperlink | hilite) {
- break;
- } else {
- j++;
- continue;
- }
- }
- /* Resolve attributes to colors where possible and
- * compare visual attributes to the first character
- * in this chunk. */
- selected = cell_is_selected(j, row);
- determine_colors(cell, selected, &nfore, &nback, &ndeco);
- if (nfore != fore) {
- break;
- }
- if (ndeco != deco) {
+ /* Walk the line. */
+ while (col < end_column) { // FIXME gcc warning: missed loop optimization
+ cell = _vte_row_data_get (row_data, col);
+ if (cell == NULL) {
+ /* There'll be no more real cells in this row, go to next
row. */
break;
}
- /* Bold, italic, underline, strikethrough,
- * overline, blink, or invisible differ;
- * break the run.
- */
- if ((cell->attr.attr ^ attr) & (VTE_ATTR_BOLD_MASK |
- VTE_ATTR_ITALIC_MASK |
- VTE_ATTR_UNDERLINE_MASK |
- VTE_ATTR_STRIKETHROUGH_MASK |
- VTE_ATTR_OVERLINE_MASK |
- VTE_ATTR_BLINK_MASK |
- VTE_ATTR_INVISIBLE_MASK))
- break;
-
+ /* Get the character cell's contents. */
+ cell = _vte_row_data_get (row_data, col);
nhyperlink = (m_allow_hyperlink && cell->attr.hyperlink_idx != 0);
- if (nhyperlink != hyperlink) {
- break;
+ if (cell->c == 0 ||
+ ((cell->c == ' ' || cell->c == '\t') && // FIXME '\t' is
newly added now, double check
+ cell->attr.has_none(VTE_ATTR_UNDERLINE_MASK |
+ VTE_ATTR_STRIKETHROUGH_MASK |
+ VTE_ATTR_OVERLINE_MASK) &&
+ !nhyperlink) ||
+ cell->attr.fragment() ||
+ cell->attr.invisible()) {
+ /* Skip empty or fragment cell. */
+ col++;
+ continue;
}
- /* Break up matched/not-matched text. */
- nhilite = (cell->attr.hyperlink_idx != 0 && cell->attr.hyperlink_idx
== m_hyperlink_hover_idx) ||
- (m_hyperlink_hover_idx == 0 && m_match != nullptr &&
m_match_span.contains(row, j));
- if (nhilite != hilite) {
- break;
- }
- /* Add this cell to the draw list. */
- items[item_count].c = cell->c;
- items[item_count].columns = cell->attr.columns();
- items[item_count].x = start_x + j * column_width;
- items[item_count].y = y;
- j += items[item_count].columns;
- item_count++;
- }
- /* have we encountered a state change? */
- if (j < end_column) {
- break;
- }
-fg_next_row:
- /* is this the last column, on the last row? */
- do {
- do {
- if (!--rows) {
- goto fg_draw;
- }
-
- /* restart on the next row */
- row++;
- y += row_height;
- row_data = find_row_data(row);
- } while (row_data == NULL);
-
- /* Back up in case this is a
- * multicolumn character, making the drawing
- * area a little wider. */
- j = start_column;
- cell = _vte_row_data_get (row_data, j);
- } while (cell == NULL);
- while (cell->attr.fragment() && j > 0) {
- cell = _vte_row_data_get (row_data, --j);
- }
- } while (TRUE);
-fg_draw:
- /* Draw the cells. */
- draw_cells(
- items,
- item_count,
- fore, back, deco, FALSE, FALSE,
- attr & attr_mask,
- hyperlink, hilite,
- column_width, row_height);
- item_count = 1;
- /* We'll need to continue at the first cell which didn't
- * match the first one in this set. */
- i = j;
- if (!rows) {
- goto fg_out;
- }
- } while (i < end_column);
-fg_skip_row:
- row++;
- y += row_height;
- } while (--rows);
-fg_out:
- return;
+
+ /* Real cell found, "break 2". */
+ break;
+ }
+
+ if (cell == NULL) {
+ /* Next row. */
+ row++;
+ y += row_height;
+ col = start_column;
+ continue;
+ }
+
+ /* Real cell found. */
+ break;
+ }
+
+ if (cell == NULL) {
+ /* No more cells to paint, flush what we've collected so far. */
+ break;
+ }
+
+ /* Find the colors for this cell.. */
+ nattr = cell->attr.attr;
+ selected = cell_is_selected(col, row);
+ determine_colors(cell, selected, &nfore, &nback, &ndeco);
+
+ nhilite = (nhyperlink && cell->attr.hyperlink_idx == m_hyperlink_hover_idx) ||
+ (!nhyperlink && m_match != nullptr && m_match_span.contains(row, col));
+
+ if (item_count == 0) {
+ /* First cell in run, remember its attributes. */
+ attr = nattr;
+ fore = nfore;
+ back = nback;
+ deco = ndeco;
+ hyperlink = nhyperlink;
+ hilite = nhilite;
+ } else {
+ /* Subsequent cell, see if it fits in the run. */
+ if (((attr ^ nattr) & (VTE_ATTR_BOLD_MASK |
+ VTE_ATTR_ITALIC_MASK |
+ VTE_ATTR_UNDERLINE_MASK |
+ VTE_ATTR_STRIKETHROUGH_MASK |
+ VTE_ATTR_OVERLINE_MASK |
+ VTE_ATTR_BLINK_MASK |
+ VTE_ATTR_INVISIBLE_MASK)) || // FIXME or just simply
"attr != nattr"?
+ fore != nfore ||
+ back != nback ||
+ deco != ndeco ||
+ hyperlink != nhyperlink ||
+ hilite != nhilite) {
+ break;
+ }
+ }
+
+ items[item_count].c = cell->c;
+ items[item_count].columns = cell->attr.columns();
+ items[item_count].x = start_x + col * column_width;
+ items[item_count].y = y;
+ col += items[item_count++].columns;
+ }
+
+ /* Draw the cells. */
+ if (item_count > 0) {
+ draw_cells(items, item_count,
+ fore, back, deco, FALSE, FALSE,
+ attr & attr_mask,
+ hyperlink, hilite,
+ column_width, row_height);
+ item_count = 0;
+ }
+ } while (cell != NULL);
}
void
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