#include "insets/InsetText.h"
#include "mathed/MathData.h"
+#include "mathed/InsetMathNest.h"
#include "frontends/alert.h"
#include "frontends/Application.h"
struct BufferView::Private
{
- Private(BufferView & bv) : update_strategy_(FullScreenUpdate),
+ Private(BufferView & bv) :
+ update_strategy_(FullScreenUpdate),
update_flags_(Update::Force),
wh_(0), cursor_(bv),
anchor_pit_(0), anchor_ypos_(0),
last_inset_(0), clickable_inset_(false),
mouse_position_cache_(),
bookmark_edit_position_(-1), gui_(0),
- horiz_scroll_offset_(0), repaint_caret_row_(false)
+ horiz_scroll_offset_(0),
+ caret_ascent_(0), caret_descent_(0)
{
xsel_cache_.set = false;
}
/// at previous draw event
CursorSlice last_row_slice_;
- /// a slice pointing to where the cursor has been drawn after the current
- /// draw() call.
- CursorSlice caret_slice_;
- /// indicates whether the caret slice needs to be repainted in this draw() run.
- bool repaint_caret_row_;
+ // The vertical size of the blinking caret. Only used for math
+ // Using it for text could be bad when undo restores the cursor
+ // current font, since the caret size could become wrong.
+ int caret_ascent_;
+ int caret_descent_;
};
return string((flags & Update::FitCursor) ? "FitCursor " : "")
+ ((flags & Update::Force) ? "Force " : "")
+ ((flags & Update::ForceDraw) ? "ForceDraw " : "")
- + ((flags & Update::SinglePar) ? "SinglePar " : "");
+ + ((flags & Update::SinglePar) ? "SinglePar " : "")
+ + ((flags & Update::Decoration) ? "Decoration " : "");
}
}
updateMetrics(flags);
}
+ // Detect whether we can only repaint a single paragraph.
+ // We handle this before FitCursor because the later will require
+ // correct metrics at cursor position.
+ if (!(flags & Update::ForceDraw)) {
+ if (singleParUpdate())
+ flags = flags | Update::SinglePar;
+ else
+ updateMetrics(flags);
+ }
+
// Then make sure that the screen contains the cursor if needed
if (flags & Update::FitCursor) {
if (needsFitCursor()) {
flags = flags & ~Update::FitCursor;
}
- // Finally detect whether we can only repaint a single paragraph
- if (!(flags & Update::ForceDraw)) {
- if (singleParUpdate())
- flags = flags | Update::SinglePar;
- else
- updateMetrics(flags);
- }
-
// Add flags to the the update flags. These will be reset to None
// after the redraw is actually done
d->update_flags_ = d->update_flags_ | flags;
}
+ case LFUN_UNICODE_INSERT: {
+ if (cmd.argument().empty())
+ break;
+
+ FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
+ LFUN_MATH_INSERT : LFUN_SELF_INSERT;
+ int i = 0;
+ while (true) {
+ docstring const arg = from_utf8(cmd.getArg(i));
+ if (arg.empty())
+ break;
+ if (!isHex(arg)) {
+ LYXERR0("Not a hexstring: " << arg);
+ ++i;
+ continue;
+ }
+ char_type c = hexToInt(arg);
+ if (c >= 32 && c < 0x10ffff) {
+ LYXERR(Debug::KEY, "Inserting c: " << c);
+ lyx::dispatch(FuncRequest(code, docstring(1, c)));
+ }
+ ++i;
+ }
+ break;
+ }
+
+
// This would be in Buffer class if only Cursor did not
// require a bufferview
case LFUN_INSET_FORALL: {
}
+void BufferView::setCaretAscentDescent(int asc, int des)
+{
+ d->caret_ascent_ = asc;
+ d->caret_descent_ = des;
+}
+
+
void BufferView::caretPosAndHeight(Point & p, int & h) const
{
+ int asc, des;
Cursor const & cur = cursor();
- Font const font = cur.real_current_font;
- frontend::FontMetrics const & fm = theFontMetrics(font);
- int const asc = fm.maxAscent();
- int const des = fm.maxDescent();
+ if (cur.inMathed()) {
+ asc = d->caret_ascent_;
+ des = d->caret_descent_;
+ } else {
+ Font const font = cur.real_current_font;
+ frontend::FontMetrics const & fm = theFontMetrics(font);
+ asc = fm.maxAscent();
+ des = fm.maxDescent();
+ }
h = asc + des;
p = getPos(cur);
p.y_ -= asc;
}
-namespace {
-
-bool sliceInRow(CursorSlice const & cs, Text const * text, Row const & row)
-{
- /* The normal case is the last line. The previous line takes care
- * of empty rows (e.g. empty paragraphs). Cursor boundary issues
- * are taken care of when setting caret_slice_ in
- * BufferView::draw.
- */
- return !cs.empty() && cs.text() == text && cs.pit() == row.pit()
- && ((row.pos() == row.endpos() && row.pos() == cs.pos())
- || (row.pos() <= cs.pos() && cs.pos() < row.endpos()));
-}
-
-}
-
-
-bool BufferView::needRepaint(Text const * text, Row const & row) const
-{
- return d->repaint_caret_row_ && sliceInRow(d->caret_slice_, text, row);
-}
-
-
void BufferView::checkCursorScrollOffset()
{
CursorSlice rowSlice = d->cursor_.bottom();
int const y = tm.first().second->position();
PainterInfo pi(this, pain);
- /** A repaint of the previous caret row is needed if there is
- * caret painted on screen and either
- * 1/ a new caret has to be painted at a place different from
- * the existing one;
- * 2/ there is no need for a caret anymore.
- */
- d->repaint_caret_row_ = !d->caret_slice_.empty() &&
- ((paint_caret && d->cursor_.top() != d->caret_slice_)
- || ! paint_caret);
-
// Check whether the row where the cursor lives needs to be scrolled.
// Update the drawing strategy if needed.
checkCursorScrollOffset();
if (pain.isNull()) {
pi.full_repaint = true;
tm.draw(pi, 0, y);
- } else if (d->repaint_caret_row_) {
+ } else {
pi.full_repaint = false;
tm.draw(pi, 0, y);
}
d->update_flags_ = Update::None;
}
- // Remember what has just been done for the next draw() step
+ // If a caret has to be painted, mark its text row as dirty to
+ //make sure that it will be repainted on next redraw.
+ /* FIXME: investigate whether this can be avoided when the cursor did not
+ * move at all
+ */
if (paint_caret) {
- d->caret_slice_ = d->cursor_.top();
- if (d->caret_slice_.pos() > 0
- && (d->cursor_.boundary()
- || d->caret_slice_.pos() == d->caret_slice_.lastpos()))
- --d->caret_slice_.pos();
- } else
- d->caret_slice_ = CursorSlice();
+ Row const & caret_row = d->cursor_.textRow();
+ caret_row.changed(true);
+ }
}