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try to fix cursor jumping

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4784 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
André Pönitz 2002-07-25 13:34:13 +00:00
parent 1bcef000fb
commit 5972f27401
3 changed files with 69 additions and 72 deletions
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128
src/mathed/formulabase.C
View File

@ -172,7 +172,7 @@ void InsetFormulaBase::edit(BufferView * bv, int x, int y, mouse_button::state)
{
if (!bv->lockInset(this))
lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
delete mathcursor;
releaseMathCursor(bv);
mathcursor = new MathCursor(this, true);
metrics(bv);
mathcursor->setPos(x, y);
@ -187,8 +187,8 @@ void InsetFormulaBase::edit(BufferView * bv, int x, int y, mouse_button::state)
void InsetFormulaBase::edit(BufferView * bv, bool front)
{
if (!bv->lockInset(this))
lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
delete mathcursor;
lyxerr << "Cannot lock math inset in edit call!\n";
releaseMathCursor(bv);
mathcursor = new MathCursor(this, front);
metrics(bv);
bv->updateInset(this, false);
@ -202,8 +202,7 @@ void InsetFormulaBase::insetUnlock(BufferView * bv)
mathcursor->macroModeClose();
updateLocal(bv, true);
}
delete mathcursor;
mathcursor = 0;
releaseMathCursor(bv);
}
bv->updateInset(this, false);
}
@ -215,31 +214,17 @@ void InsetFormulaBase::getCursorPos(BufferView * bv, int & x, int & y) const
mathcursor->getPos(x, y);
//x -= xo_;
y -= yo_;
//lyxerr << "getCursorPos: " << x << " " << y << "\n";
lyxerr << "getCursorPos: " << x << " " << y << "\n";
}
void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
{
if (!mathcursor)
return;
//lyxerr << "toggleInsetCursor: " << isCursorVisible() << "\n";
if (isCursorVisible())
bv->hideLockedInsetCursor();
else {
metrics(bv);
int x = 0;
int y = 0;
mathcursor->getPos(x, y);
y -= yo_;
int asc = 0;
int des = 0;
math_font_max_dim(font_, asc, des);
bv->showLockedInsetCursor(x, y, asc, des);
//lyxerr << "toggleInsetCursor: " << x << " " << y << "\n";
}
toggleCursorVisible();
hideInsetCursor(bv);
else
showInsetCursor(bv);
}
@ -247,26 +232,23 @@ void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
{
if (isCursorVisible())
return;
if (mathcursor) {
metrics(bv);
int x;
int y;
mathcursor->getPos(x, y);
y -= yo_;
int asc = 0;
int des = 0;
math_font_max_dim(font_, asc, des);
bv->fitLockedInsetCursor(x, y, asc, des);
//lyxerr << "showInsetCursor: x: " << x << " y: " << y << " yo: " << yo_ << "\n";
}
toggleInsetCursor(bv);
fitInsetCursor(bv);
int x, y, asc, des;
getCursorPos(bv, x, y);
math_font_max_dim(font_, asc, des);
bv->showLockedInsetCursor(x, y, asc, des);
setCursorVisible(true);
//lyxerr << "showInsetCursor: " << x << " " << y << "\n";
}
void InsetFormulaBase::hideInsetCursor(BufferView * bv)
{
if (isCursorVisible())
toggleInsetCursor(bv);
if (!isCursorVisible())
return;
bv->hideLockedInsetCursor();
setCursorVisible(false);
//lyxerr << "hideInsetCursor: \n";
}
@ -274,13 +256,12 @@ void InsetFormulaBase::fitInsetCursor(BufferView * bv) const
{
if (!mathcursor)
return;
int const asc = font_metrics::maxAscent(font_);
int const desc = font_metrics::maxDescent(font_);
int x, y;
int x, y, asc, des;
math_font_max_dim(font_, asc, des);
getCursorPos(bv, x, y);
bv->fitLockedInsetCursor(x, y, asc, desc);
//y += yo_;
//lyxerr << "fitInsetCursor: x: " << x << " y: " << y << " yo: " << yo_ << "\n";
bv->fitLockedInsetCursor(x, y, asc, des);
}
@ -346,12 +327,12 @@ bool InsetFormulaBase::insetButtonRelease(BufferView * bv,
void InsetFormulaBase::insetButtonPress(BufferView * bv,
int x, int y, mouse_button::state button)
{
lyxerr << "insetButtonPress: "
<< x << " " << y << " but: " << button << "\n";
lyxerr << "formula: ";
//lyxerr << "insetButtonPress: "
// << x << " " << y << " but: " << button << "\n";
//lyxerr << "formula: ";
par()->dump();
delete mathcursor;
releaseMathCursor(bv);
mathcursor = new MathCursor(this, x == 0);
if (button == mouse_button::button1) {
@ -416,10 +397,9 @@ UpdatableInset::RESULT
InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
string const & arg)
{
//lyxerr << "InsetFormulaBase::localDispatch: act: " << action
// << " arg: '" << arg
// << "' cursor: " << mathcursor
// << "\n";
lyxerr << "InsetFormulaBase::localDispatch: act: " << action
<< " arg: '" << arg
<< "' cursor: " << mathcursor << "\n";
if (!mathcursor)
return UNDISPATCHED;
@ -436,11 +416,8 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
switch (action) {
// --- Cursor Movements ---------------------------------------------
case LFUN_RIGHTSEL:
sel = true; // fall through...
case LFUN_RIGHT:
result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
//lyxerr << "calling scroll 20\n";
@ -450,49 +427,53 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
//bv->owner()->message(mathcursor->info());
break;
case LFUN_LEFTSEL:
sel = true; // fall through
case LFUN_LEFT:
result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
updateLocal(bv, false);
break;
case LFUN_UPSEL:
sel = true;
sel = true; // fall through
case LFUN_UP:
result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
updateLocal(bv, false);
break;
case LFUN_DOWNSEL:
sel = true;
sel = true; // fall through
case LFUN_DOWN:
result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
updateLocal(bv, false);
break;
case LFUN_HOMESEL:
sel = true;
sel = true; // fall through
case LFUN_HOME:
result = mathcursor->home(sel) ? DISPATCHED : FINISHED;
updateLocal(bv, false);
break;
case LFUN_ENDSEL:
sel = true;
sel = true; // fall through
case LFUN_END:
result = mathcursor->end(sel) ? DISPATCHED : FINISHED_RIGHT;
updateLocal(bv, false);
break;
case LFUN_PRIORSEL:
case LFUN_PRIOR:
result = FINISHED_UP;
updateLocal(bv, false);
break;
case LFUN_NEXTSEL:
case LFUN_NEXT:
result = FINISHED_DOWN;
updateLocal(bv, false);
break;
case LFUN_DELETE_LINE_FORWARD:
bv->lockedInsetStoreUndo(Undo::DELETE);
mathcursor->delLine();
@ -577,6 +558,7 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
updateLocal(bv, true);
}
break;
case LFUN_UMLAUT:
case LFUN_ACUTE:
case LFUN_GRAVE:
@ -795,12 +777,14 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
toggleInsetSelection(bv);
if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
result == UNDISPATCHED)
result == UNDISPATCHED) {
fitInsetCursor(bv);
showInsetCursor(bv);
else
revealCodes(bv);
} else {
releaseMathCursor(bv);
bv->unlockInset(this);
revealCodes(bv);
}
return result; // original version
}

11
src/mathed/math_cursor.C
View File

@ -24,6 +24,7 @@
#include "support/lstrings.h"
#include "support/LAssert.h"
#include "BufferView.h"
#include "debug.h"
#include "LColor.h"
#include "frontends/Painter.h"
@ -1754,3 +1755,13 @@ MathInset::mode_type MathCursor::currentMode() const
}
return MathInset::UNDECIDED_MODE;
}
void releaseMathCursor(BufferView * bv)
{
if (!mathcursor)
return;
mathcursor->formula()->hideInsetCursor(bv);
delete mathcursor;
mathcursor = 0;
}

2
src/mathed/math_cursor.h
View File

@ -26,6 +26,7 @@
#include "LString.h"
class InsetFormulaBase;
class BufferView;
class MathPainterInfo;
class MathUnknownInset;
class Selection;
@ -321,5 +322,6 @@ private:
};
extern MathCursor * mathcursor;
void releaseMathCursor(BufferView * bv);
#endif