3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
14 #include "BufferView.h"
17 #include "dispatchresult.h"
18 #include "funcrequest.h"
19 #include "iterators.h"
22 #include "paragraph.h"
25 #include "insets/updatableinset.h"
26 #include "insets/insettabular.h"
27 #include "insets/insettext.h"
29 #include <boost/assert.hpp>
35 std::ostream & operator<<(std::ostream & os, LCursor const & cur)
38 for (size_t i = 0, n = cur.cursor_.size(); i != n; ++i)
39 os << " (" << cur.cursor_[i] << " | " << cur.anchor_[i] << "\n";
44 LCursor::LCursor(BufferView * bv)
45 : cursor_(1), anchor_(1), bv_(bv)
49 DispatchResult LCursor::dispatch(FuncRequest const & cmd0)
51 lyxerr << "\nLCursor::dispatch: " << *this << endl;
52 FuncRequest cmd = cmd0;
54 for (int i = cursor_.size() - 1; i >= 1; --i) {
55 CursorSlice const & citem = cursor_[i];
56 lyxerr << "trying to dispatch to inset " << citem.inset_ << endl;
57 DispatchResult res = citem.inset_->dispatch(*bv_, cmd);
58 if (res.dispatched()) {
59 lyxerr << " successfully dispatched to inset " << citem.inset_ << endl;
60 return DispatchResult(true, true);
62 // remove one level of cursor
66 cmd = FuncRequest(LFUN_FINISHED_LEFT);
70 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
74 cmd = FuncRequest(LFUN_FINISHED_UP);
78 cmd = FuncRequest(LFUN_FINISHED_DOWN);
81 lyxerr << "not handled on level " << i << " val: " << res.val() << endl;
85 lyxerr << "trying to dispatch to main text " << bv_->text() << endl;
86 DispatchResult res = bv_->text()->dispatch(*bv_, cmd);
87 lyxerr << " result: " << res.val() << endl;
89 if (!res.dispatched()) {
90 lyxerr << "trying to dispatch to bv " << bv_ << endl;
91 bool sucess = bv_->dispatch(cmd);
92 lyxerr << " result: " << sucess << endl;
93 res.dispatched(sucess);
100 void LCursor::push(InsetBase * inset)
102 lyxerr << "LCursor::push() inset: " << inset << endl;
103 cursor_.push_back(CursorSlice(inset));
104 anchor_.push_back(CursorSlice(inset));
110 void LCursor::pop(int depth)
112 lyxerr << "LCursor::pop() to " << depth << endl;
113 while (cursor_.size() > 1 && depth < cursor_.size()) {
114 lyxerr << "LCursor::pop a level " << endl;
123 lyxerr << "LCursor::pop() " << endl;
124 //BOOST_ASSERT(!cursor_.empty());
125 if (cursor_.size() <= 1)
126 lyxerr << "### TRYING TO POP FROM EMPTY CURSOR" << endl;
134 UpdatableInset * LCursor::innerInset() const
136 return cursor_.size() <= 1 ? 0 : cursor_.back().asUpdatableInset();
140 LyXText * LCursor::innerText() const
142 if (cursor_.size() > 1) {
143 // go up until first non-0 text is hit
144 // (innermost text is 0 e.g. for mathed and the outer tabular level)
145 for (int i = cursor_.size() - 1; i >= 1; --i)
146 if (cursor_[i].text())
147 return cursor_[i].text();
153 void LCursor::updatePos()
155 if (cursor_.size() > 1)
156 cached_y_ = bv_->top_y() + innerInset()->y();
160 void LCursor::getDim(int & asc, int & desc) const
162 LyXText * txt = innerText();
165 Row const & row = *txt->cursorRow();
166 asc = row.baseline();
167 desc = row.height() - asc;
169 innerInset()->getCursorDim(asc, desc);
173 void LCursor::getPos(int & x, int & y) const
175 if (cursor_.size() <= 1) {
176 x = bv_->text()->cursorX();
177 y = bv_->text()->cursorY();
178 // y -= bv_->top_y();
180 // Would be nice to clean this up to make some understandable sense...
181 UpdatableInset * inset = innerInset();
182 // Non-obvious. The reason we have to have these
183 // extra checks is that the ->getCursor() calls rely
184 // on the inset's own knowledge of its screen position.
185 // If we scroll up or down in a big enough increment, the
186 // inset->draw() is not called: this doesn't update
187 // inset.top_baseline, so getCursor() returns an old value.
190 inset->getCursorPos(cursor_.back().idx_, x, y);
198 UpdatableInset * LCursor::innerInsetOfType(int code) const
200 for (int i = cursor_.size() - 1; i >= 1; --i)
201 if (cursor_[i].asUpdatableInset()->lyxCode() == code)
202 return cursor_[i].asUpdatableInset();
207 InsetTabular * LCursor::innerInsetTabular() const
209 return static_cast<InsetTabular *>
210 (innerInsetOfType(InsetOld::TABULAR_CODE));
214 void LCursor::cell(int idx)
216 BOOST_ASSERT(!cursor_.empty());
217 cursor_.back().idx_ = idx;
221 int LCursor::cell() const
223 BOOST_ASSERT(!cursor_.empty());
224 return cursor_.back().idx_;
228 void LCursor::resetAnchor()