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visual mode for bidi cursor movement --- in math
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22930 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Dov Feldstern
parent
11a6b3c4c7
commit
8f47f5d396
@ -1027,6 +1027,8 @@ void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
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case LFUN_FINISHED_BACKWARD:
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case LFUN_FINISHED_FORWARD:
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case LFUN_FINISHED_RIGHT:
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case LFUN_FINISHED_LEFT:
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//lyxerr << "action: " << cmd.action << endl;
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InsetMathGrid::doDispatch(cur, cmd);
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notifyCursorLeaves(cur);
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@ -1166,6 +1168,8 @@ bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
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switch (cmd.action) {
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case LFUN_FINISHED_BACKWARD:
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case LFUN_FINISHED_FORWARD:
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case LFUN_FINISHED_RIGHT:
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case LFUN_FINISHED_LEFT:
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case LFUN_UP:
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case LFUN_DOWN:
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case LFUN_NEW_LINE:
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@ -43,6 +43,7 @@
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#include "FuncRequest.h"
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#include "FuncStatus.h"
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#include "LyXFunc.h"
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#include "LyXRC.h"
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#include "support/gettext.h"
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#include "Text.h"
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#include "OutputParams.h"
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@ -490,77 +491,79 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
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lfunMouseRelease(cur, cmd);
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break;
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case LFUN_FINISHED_LEFT: // in math, left is backwards
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case LFUN_FINISHED_BACKWARD:
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cur.bv().cursor() = cur;
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break;
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case LFUN_FINISHED_RIGHT: // in math, right is forward
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case LFUN_FINISHED_FORWARD:
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++cur.pos();
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cur.bv().cursor() = cur;
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break;
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case LFUN_CHAR_RIGHT:
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case LFUN_CHAR_LEFT:
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case LFUN_CHAR_BACKWARD:
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case LFUN_CHAR_FORWARD:
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cur.updateFlags(Update::Decoration | Update::FitCursor);
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case LFUN_CHAR_FORWARD_SELECT:
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cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
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cur.autocorrect() = false;
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cur.clearTargetX();
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cur.macroModeClose();
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if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
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cur.pushBackward(*cur.nextAtom().nucleus());
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cur.inset().idxFirst(cur);
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} else if (cur.posForward() || idxForward(cur)
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|| cur.popForward() || cur.selection())
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;
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else {
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cmd = FuncRequest(LFUN_FINISHED_FORWARD);
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cur.undispatched();
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}
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break;
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case LFUN_CHAR_BACKWARD:
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cur.updateFlags(Update::Decoration | Update::FitCursor);
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case LFUN_CHAR_BACKWARD_SELECT:
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cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
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cur.autocorrect() = false;
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cur.clearTargetX();
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cur.macroModeClose();
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if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
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cur.posBackward();
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cur.push(*cur.nextAtom().nucleus());
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cur.inset().idxLast(cur);
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} else if (cur.posBackward() || idxBackward(cur)
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|| cur.popBackward() || cur.selection())
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;
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else {
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cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
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cur.undispatched();
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}
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break;
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case LFUN_CHAR_RIGHT:
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case LFUN_CHAR_RIGHT_SELECT:
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//FIXME: for visual cursor, really move right
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if (reverseDirectionNeeded(cur))
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cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
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LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
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else
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cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
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LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
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doDispatch(cur, cmd);
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break;
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case LFUN_CHAR_LEFT:
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case LFUN_CHAR_LEFT_SELECT:
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//FIXME: for visual cursor, really move left
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if (reverseDirectionNeeded(cur))
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cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
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LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
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else
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cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
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LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
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doDispatch(cur, cmd);
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case LFUN_CHAR_BACKWARD_SELECT:
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case LFUN_CHAR_FORWARD_SELECT: {
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// are we in a selection?
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bool select = (cmd.action == LFUN_CHAR_RIGHT_SELECT
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|| cmd.action == LFUN_CHAR_LEFT_SELECT
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|| cmd.action == LFUN_CHAR_BACKWARD_SELECT
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|| cmd.action == LFUN_CHAR_FORWARD_SELECT);
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// are we moving forward or backwards?
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// If the command was RIGHT or LEFT, then whether we're moving forward
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// or backwards depends on the cursor movement mode (logical or visual):
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// * in visual mode, since math is always LTR, right -> forward,
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// left -> backwards
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// * in logical mode, the mapping is determined by the
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// reverseDirectionNeeded() function
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bool forward;
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kb_action finish_lfun;
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if (cmd.action == LFUN_CHAR_FORWARD
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|| cmd.action == LFUN_CHAR_FORWARD_SELECT) {
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forward = true;
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finish_lfun = LFUN_FINISHED_FORWARD;
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}
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else if (cmd.action == LFUN_CHAR_BACKWARD
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|| cmd.action == LFUN_CHAR_BACKWARD_SELECT) {
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forward = false;
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finish_lfun = LFUN_FINISHED_BACKWARD;
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}
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else {
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bool right = (cmd.action == LFUN_CHAR_RIGHT_SELECT
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|| cmd.action == LFUN_CHAR_RIGHT);
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if (lyxrc.visual_cursor || !reverseDirectionNeeded(cur))
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forward = right;
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else
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forward = !right;
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if (right)
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finish_lfun = LFUN_FINISHED_RIGHT;
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else
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finish_lfun = LFUN_FINISHED_LEFT;
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}
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// Now that we know exactly what we want to do, let's do it!
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cur.selHandle(select);
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cur.autocorrect() = false;
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cur.clearTargetX();
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cur.macroModeClose();
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// try moving forward or backwards as necessary...
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if (!(forward ? cursorMathForward(cur) : cursorMathBackward(cur))) {
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// ... and if movement failed, then finish forward or backwards
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// as necessary
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cmd = FuncRequest(finish_lfun);
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cur.undispatched();
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}
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break;
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}
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case LFUN_DOWN:
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case LFUN_UP:
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@ -1584,4 +1587,41 @@ bool InsetMathNest::script(Cursor & cur, bool up,
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}
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bool InsetMathNest::cursorMathForward(Cursor & cur)
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{
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if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
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cur.pushBackward(*cur.nextAtom().nucleus());
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cur.inset().idxFirst(cur);
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return true;
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}
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if (cur.posForward() || idxForward(cur) || cur.selection())
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return true;
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// try to pop forwards --- but don't pop out of math! leave that to
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// the FINISH lfuns
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int s = cur.depth() - 2;
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if (s >= 0 && cur[s].inset().asInsetMath())
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return cur.popForward();
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return false;
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}
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bool InsetMathNest::cursorMathBackward(Cursor & cur)
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{
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if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
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cur.posBackward();
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cur.push(*cur.nextAtom().nucleus());
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cur.inset().idxLast(cur);
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return true;
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}
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if (cur.posBackward() || idxBackward(cur) || cur.selection())
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return true;
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// try to pop backwards --- but don't pop out of math! leave that to
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// the FINISH lfuns
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int s = cur.depth() - 2;
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if (s >= 0 && cur[s].inset().asInsetMath())
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return cur.popBackward();
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return false;
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}
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} // namespace lyx
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@ -153,6 +153,10 @@ private:
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/// Find a macro to fold or unfold, starting at searchCur and searchCur.nextInset() pointing to a macro
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/// afterwards if found
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bool findMacroToFoldUnfold(Cursor & searchCur, bool fold) const;
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/// move cursor forward
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bool cursorMathForward(Cursor & cur);
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/// move cursor backwards
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bool cursorMathBackward(Cursor & cur);
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protected:
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/// we store the cells in a vector
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