lyx_mirror/src/insets/insetcollapsable.C
Lars Gullik Bjønnes 68b7ef25fb simple ws changes only
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8594 a592a061-630c-0410-9148-cb99ea01b6c8
2004-04-03 08:37:12 +00:00

396 lines
8.1 KiB
C

/**
* \file insetcollapsable.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
* \author Jürgen Vigna
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "insetcollapsable.h"
#include "buffer.h"
#include "BufferView.h"
#include "cursor.h"
#include "debug.h"
#include "dispatchresult.h"
#include "LColor.h"
#include "lyxlex.h"
#include "funcrequest.h"
#include "metricsinfo.h"
#include "paragraph.h"
#include "frontends/font_metrics.h"
#include "frontends/Painter.h"
#include "frontends/LyXView.h"
using lyx::graphics::PreviewLoader;
using std::endl;
using std::string;
using std::max;
using std::min;
using std::ostream;
void leaveInset(LCursor & cur, InsetBase const & in)
{
for (unsigned int i = 0; i != cur.size(); ++i) {
if (&cur[i].inset() == &in) {
cur.resize(i);
return;
}
}
}
InsetCollapsable::InsetCollapsable(BufferParams const & bp,
CollapseStatus status)
: InsetText(bp), label("Label"), status_(status), openinlined_(false)
{
setAutoBreakRows(true);
setDrawFrame(InsetText::ALWAYS);
setFrameColor(LColor::collapsableframe);
setInsetName("Collapsable");
setButtonLabel();
}
void InsetCollapsable::write(Buffer const & buf, ostream & os) const
{
os << "status ";
switch (status_) {
case Open:
os << "open";
break;
case Collapsed:
os << "collapsed";
break;
case Inlined:
os << "inlined";
break;
}
os << "\n";
text_.write(buf, os);
}
void InsetCollapsable::read(Buffer const & buf, LyXLex & lex)
{
bool token_found = false;
if (lex.isOK()) {
lex.next();
string const token = lex.getString();
if (token == "status") {
lex.next();
string const tmp_token = lex.getString();
if (tmp_token == "inlined") {
status_ = Inlined;
token_found = true;
} else if (tmp_token == "collapsed") {
status_ = Collapsed;
token_found = true;
} else if (tmp_token == "open") {
status_ = Open;
token_found = true;
} else {
lyxerr << "InsetCollapsable::read: Missing status!"
<< endl;
// Take countermeasures
lex.pushToken(token);
}
} else {
lyxerr << "InsetCollapsable::read: Missing 'status'-tag!"
<< endl;
// take countermeasures
lex.pushToken(token);
}
}
InsetText::read(buf, lex);
if (!token_found)
status_ = isOpen() ? Open : Collapsed;
setButtonLabel();
}
void InsetCollapsable::dimension_collapsed(Dimension & dim) const
{
font_metrics::buttonText(label, labelfont_, dim.wid, dim.asc, dim.des);
}
void InsetCollapsable::metrics(MetricsInfo & mi, Dimension & dim) const
{
mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
if (status_ == Inlined) {
InsetText::metrics(mi, dim);
} else {
dimension_collapsed(dim);
if (status_ == Open) {
InsetText::metrics(mi, textdim_);
openinlined_ = (textdim_.wid + dim.wid <= mi.base.textwidth);
if (openinlined_) {
dim.wid += textdim_.wid;
dim.des = max(dim.des, textdim_.des);
dim.asc = max(dim.asc, textdim_.asc);
} else {
dim.des += textdim_.height() + TEXT_TO_BOTTOM_OFFSET;
dim.wid = max(dim.wid, textdim_.wid);
}
}
}
dim.asc += TEXT_TO_INSET_OFFSET;
dim.des += TEXT_TO_INSET_OFFSET;
dim.wid += 2 * TEXT_TO_INSET_OFFSET;
mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
dim_ = dim;
}
void InsetCollapsable::draw_collapsed(PainterInfo & pi, int x, int y) const
{
pi.pain.buttonText(x, y, label, labelfont_);
}
void InsetCollapsable::draw(PainterInfo & pi, int x, int y) const
{
x += TEXT_TO_INSET_OFFSET;
y += TEXT_TO_INSET_OFFSET;
if (status_ == Inlined) {
InsetText::draw(pi, x, y);
} else {
Dimension dimc;
dimension_collapsed(dimc);
int const aa = ascent();
button_dim.x1 = x + 0;
button_dim.x2 = x + dimc.width();
button_dim.y1 = y - aa + pi.base.bv->top_y();
button_dim.y2 = y - aa + pi.base.bv->top_y() + dimc.height();
draw_collapsed(pi, x, y - aa + dimc.asc);
if (status_ == Open) {
if (openinlined_)
InsetText::draw(pi, x + dimc.width(),
y - aa + textdim_.asc);
else
InsetText::draw(pi, x, dimc.height()
+ y - aa + textdim_.asc);
}
}
setPosCache(pi, x, y);
}
InsetOld::EDITABLE InsetCollapsable::editable() const
{
return status_ != Collapsed ? HIGHLY_EDITABLE : IS_EDITABLE;
}
bool InsetCollapsable::descendable() const
{
return status_ != Collapsed;
}
bool InsetCollapsable::hitButton(FuncRequest & cmd) const
{
return button_dim.contains(cmd.x, cmd.y);
}
string const InsetCollapsable::getNewLabel(string const & l) const
{
string label;
pos_type const max_length = 15;
pos_type const p_siz = paragraphs().begin()->size();
pos_type const n = min(max_length, p_siz);
pos_type i = 0;
pos_type j = 0;
for( ; i < n && j < p_siz; ++j) {
if (paragraphs().begin()->isInset(j))
continue;
label += paragraphs().begin()->getChar(j);
++i;
}
if (paragraphs().size() > 1 || (i > 0 && j < p_siz)) {
label += "...";
}
return label.empty() ? l : label;
}
void InsetCollapsable::edit(LCursor & cur, bool left)
{
//lyxerr << "InsetCollapsable: edit left/right" << endl;
cur.push(*this);
InsetText::edit(cur, left);
open();
}
InsetBase * InsetCollapsable::editXY(LCursor & cur, int x, int y)
{
cur.push(*this);
//lyxerr << "InsetCollapsable: edit xy" << endl;
if (status_ == Collapsed) {
setStatus(Open);
// We are not calling editXY() because the row cache of the
// inset might be invalid. 'Entering from the left' should be
// ok, though.
InsetText::edit(cur, true);
return this;
}
return InsetText::editXY(cur, x, y);
}
void InsetCollapsable::priv_dispatch(LCursor & cur, FuncRequest & cmd)
{
//lyxerr << "\nInsetCollapsable::priv_dispatch (begin): cmd: " << cmd
// << " button y: " << button_dim.y2 << endl;
switch (cmd.action) {
case LFUN_MOUSE_PRESS:
if (status_ == Inlined)
InsetText::priv_dispatch(cur, cmd);
else if (status_ == Open && !hitButton(cmd))
InsetText::priv_dispatch(cur, cmd);
break;
case LFUN_MOUSE_MOTION:
if (status_ == Inlined)
InsetText::priv_dispatch(cur, cmd);
else if (status_ == Open && !hitButton(cmd))
InsetText::priv_dispatch(cur, cmd);
break;
case LFUN_MOUSE_RELEASE:
if (cmd.button() == mouse_button::button3) {
showInsetDialog(&cur.bv());
break;
}
switch (status_) {
case Collapsed:
lyxerr << "InsetCollapsable::lfunMouseRelease 1" << endl;
setStatus(Open);
edit(cur, true);
break;
case Open: {
FuncRequest cmd1 = cmd;
if (hitButton(cmd1)) {
lyxerr << "InsetCollapsable::lfunMouseRelease 2" << endl;
setStatus(Collapsed);
cur.undispatched();
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
} else {
lyxerr << "InsetCollapsable::lfunMouseRelease 3" << endl;
InsetText::priv_dispatch(cur, cmd);
}
break;
}
case Inlined:
lyxerr << "InsetCollapsable::lfunMouseRelease 4" << endl;
InsetText::priv_dispatch(cur, cmd);
break;
}
break;
case LFUN_INSET_TOGGLE:
if (cmd.argument == "open")
setStatus(Open);
else if (cmd.argument == "close") {
setStatus(Collapsed);
leaveInset(cur, *this);
} else if (cmd.argument == "toggle"
|| cmd.argument.empty()) {
if (isOpen()) {
setStatus(Collapsed);
leaveInset(cur, *this);
} else
setStatus(Open);
}
cur.dispatched();
break;
default:
InsetText::priv_dispatch(cur, cmd);
break;
}
}
int InsetCollapsable::scroll(bool recursive) const
{
int sx = UpdatableInset::scroll(false);
if (recursive)
sx += InsetText::scroll(false);
return sx;
}
void InsetCollapsable::open()
{
if (status_ == Collapsed) // ...but not inlined
setStatus(Open);
}
void InsetCollapsable::close()
{
setStatus(Collapsed);
}
void InsetCollapsable::setLabel(string const & l)
{
label = l;
}
void InsetCollapsable::setStatus(CollapseStatus st)
{
status_ = st;
setButtonLabel();
}
void InsetCollapsable::setLabelFont(LyXFont & font)
{
labelfont_ = font;
}
void InsetCollapsable::scroll(BufferView & bv, float sx) const
{
UpdatableInset::scroll(bv, sx);
}
void InsetCollapsable::scroll(BufferView & bv, int offset) const
{
UpdatableInset::scroll(bv, offset);
}
Box const & InsetCollapsable::buttonDim() const
{
return button_dim;
}