#include "Text.h"
+#include "Bidi.h"
#include "Buffer.h"
#include "buffer_funcs.h"
#include "BufferList.h"
#include "Paragraph.h"
#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
-#include "ParIterator.h"
#include "TextClass.h"
#include "TextMetrics.h"
#include "VSpace.h"
void Text::setInsetFont(BufferView const & bv, pit_type pit,
pos_type pos, Font const & font, bool toggleall)
{
- BOOST_ASSERT(pars_[pit].isInset(pos) &&
- pars_[pit].getInset(pos)->noFontChange());
-
Inset * const inset = pars_[pit].getInset(pos);
+ BOOST_ASSERT(inset && inset->noFontChange());
+
CursorSlice::idx_type endidx = inset->nargs();
for (CursorSlice cs(*inset); cs.idx() != endidx; ++cs.idx()) {
Text * text = cs.text();
if (dit.pos() != dit.lastpos()) {
pit_type const pit = dit.pit();
pos_type const pos = dit.pos();
- if (pars_[pit].isInset(pos) &&
- pars_[pit].getInset(pos)->noFontChange())
+ Inset * inset = pars_[pit].getInset(pos);
+ if (inset && inset->noFontChange()) {
// We need to propagate the font change to all
// text cells of the inset (bug 1973).
// FIXME: This should change, see documentation
// of noFontChange in Inset.h
setInsetFont(bv, pit, pos, font, toggleall);
+ }
TextMetrics const & tm = bv.textMetrics(this);
Font f = tm.getDisplayFont(pit, pos);
f.update(font, language, toggleall);
}
+bool Text::checkAndActivateInsetVisual(Cursor & cur, bool movingForward, bool movingLeft)
+{
+ if (cur.selection())
+ return false;
+ if (cur.pos() == -1)
+ return false;
+ if (cur.pos() == cur.lastpos())
+ return false;
+ Paragraph & par = cur.paragraph();
+ Inset * inset = par.isInset(cur.pos()) ? par.getInset(cur.pos()) : 0;
+ if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE)
+ return false;
+ inset->edit(cur, movingForward,
+ movingLeft ? Inset::ENTRY_DIRECTION_RIGHT : Inset::ENTRY_DIRECTION_LEFT);
+ return true;
+}
+
+
bool Text::cursorBackward(Cursor & cur)
{
// Tell BufferView to test for FitCursor in any case!
}
+bool Text::cursorVisLeft(Cursor & cur, bool skip_inset)
+{
+ pit_type new_pit = cur.pit(); // the paragraph to which we will move
+ pos_type new_pos; // the position we will move to
+ bool new_boundary; // will we move to a boundary position?
+ pos_type left_pos; // position visually left of current cursor
+ pos_type right_pos; // position visually right of current cursor
+ bool new_pos_is_RTL; // is new position we're moving to RTL?
+
+ cur.getSurroundingPos(left_pos, right_pos);
+
+ LYXERR(Debug::RTL, left_pos <<"|"<< right_pos << " (pos: "<<cur.pos()<<")");
+
+ // Are we at an inset?
+ Cursor temp_cur = cur;
+ temp_cur.pos() = left_pos;
+ temp_cur.boundary(false);
+ if (!skip_inset &&
+ checkAndActivateInsetVisual(temp_cur, left_pos >= cur.pos(), true)) {
+ LYXERR(Debug::RTL, "entering inset at: " << temp_cur.pos());
+ cur = temp_cur; // set the real cursor to new position inside inset!
+ return false;
+ }
+
+ // Are we already at leftmost pos in row?
+ if (left_pos == -1) {
+
+ Cursor new_cur = cur;
+ if (!new_cur.posVisToNewRow(true)) {
+ LYXERR(Debug::RTL, "not moving!");
+ return false;
+ }
+
+ // we actually move the cursor at the end of this function, for now
+ // just keep track of the new position...
+ new_pit = new_cur.pit();
+ new_pos = new_cur.pos();
+ new_boundary = new_cur.boundary();
+
+ LYXERR(Debug::RTL, "left edge, moving: " << int(new_pit) << ","
+ << int(new_pos) << "," << (new_boundary ? 1 : 0));
+
+ }
+ // normal movement to the left
+ else {
+ // Recall, if the cursor is at position 'x', that means *before*
+ // the character at position 'x'. In RTL, "before" means "to the
+ // right of", in LTR, "to the left of". So currently our situation
+ // is this: the position to our left is 'left_pos' (i.e., we're
+ // currently to the right of 'left_pos'). In order to move to the
+ // left, it depends whether or not the character at 'left_pos' is RTL.
+ new_pos_is_RTL = cur.paragraph().getFontSettings(
+ cur.bv().buffer().params(), left_pos).isVisibleRightToLeft();
+ // If the character at 'left_pos' *is* RTL, then in order to move to
+ // the left of it, we need to be *after* 'left_pos', i.e., move to
+ // position 'left_pos' + 1.
+ if (new_pos_is_RTL) {
+ new_pos = left_pos + 1;
+ // if the position *after* left_pos is not RTL, set boundary to
+ // true (we want to be *after* left_pos, not before left_pos + 1!)
+ new_boundary = !cur.paragraph().getFontSettings(
+ cur.bv().buffer().params(), new_pos).isVisibleRightToLeft();
+ }
+ // Otherwise (if the character at position 'left_pos' is LTR), then
+ // moving to the left of it is as easy as setting the new position
+ // to 'left_pos'.
+ else {
+ new_pos = left_pos;
+ new_boundary = false;
+ }
+
+ }
+
+ LYXERR(Debug::RTL, "moving to: " << new_pos
+ << (new_boundary ? " (boundary)" : ""));
+
+ return setCursor(cur, new_pit, new_pos, true, new_boundary);
+}
+
+
+bool Text::cursorVisRight(Cursor & cur, bool skip_inset)
+{
+ pit_type new_pit = cur.pit(); // the paragraph to which we will move
+ pos_type new_pos; // the position we will move to
+ bool new_boundary; // will we move to a boundary position?
+ pos_type left_pos; // position visually left of current cursor
+ pos_type right_pos; // position visually right of current cursor
+ bool new_pos_is_RTL; // is new position we're moving to RTL?
+
+ cur.getSurroundingPos(left_pos, right_pos);
+
+ LYXERR(Debug::RTL, left_pos <<"|"<< right_pos << " (pos: "<<cur.pos()<<")");
+
+ // Are we at an inset?
+ Cursor temp_cur = cur;
+ temp_cur.pos() = right_pos;
+ temp_cur.boundary(false);
+ if (!skip_inset &&
+ checkAndActivateInsetVisual(temp_cur, right_pos >= cur.pos(), false)) {
+ LYXERR(Debug::RTL, "entering inset at: " << temp_cur.pos());
+ cur = temp_cur; // set the real cursor to new position inside inset!
+ return false;
+ }
+
+ // Are we already at rightmost pos in row?
+ if (right_pos == -1) {
+
+ Cursor new_cur = cur;
+ if (!new_cur.posVisToNewRow(false)) {
+ LYXERR(Debug::RTL, "not moving!");
+ return false;
+ }
+
+ // we actually move the cursor at the end of this function, for now
+ // just keep track of the new position...
+ new_pit = new_cur.pit();
+ new_pos = new_cur.pos();
+ new_boundary = new_cur.boundary();
+
+ LYXERR(Debug::RTL, "right edge, moving: " << int(new_pit) << ","
+ << int(new_pos) << "," << (new_boundary ? 1 : 0));
+
+ }
+ // normal movement to the right
+ else {
+ // Recall, if the cursor is at position 'x', that means *before*
+ // the character at position 'x'. In RTL, "before" means "to the
+ // right of", in LTR, "to the left of". So currently our situation
+ // is this: the position to our right is 'right_pos' (i.e., we're
+ // currently to the left of 'right_pos'). In order to move to the
+ // right, it depends whether or not the character at 'right_pos' is RTL.
+ new_pos_is_RTL = cur.paragraph().getFontSettings(
+ cur.bv().buffer().params(), right_pos).isVisibleRightToLeft();
+ // If the character at 'right_pos' *is* LTR, then in order to move to
+ // the right of it, we need to be *after* 'right_pos', i.e., move to
+ // position 'right_pos' + 1.
+ if (!new_pos_is_RTL) {
+ new_pos = right_pos + 1;
+ // if the position *after* right_pos is RTL, set boundary to
+ // true (we want to be *after* right_pos, not before right_pos + 1!)
+ new_boundary = cur.paragraph().getFontSettings(
+ cur.bv().buffer().params(), new_pos).isVisibleRightToLeft();
+ }
+ // Otherwise (if the character at position 'right_pos' is RTL), then
+ // moving to the right of it is as easy as setting the new position
+ // to 'right_pos'.
+ else {
+ new_pos = right_pos;
+ new_boundary = false;
+ }
+
+ }
+
+ LYXERR(Debug::RTL, "moving to: " << new_pos
+ << (new_boundary ? " (boundary)" : ""));
+
+ return setCursor(cur, new_pit, new_pos, true, new_boundary);
+}
+
+
bool Text::cursorForward(Cursor & cur)
{
// Tell BufferView to test for FitCursor in any case!
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