lyx_mirror/src/insets/inset.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "inset.h"
#include "debug.h"
#include "BufferView.h"
#include "support/lstrings.h"
#include "Painter.h"
#include "commandtags.h"
#include "support/lstrings.h"
#include "gettext.h"
#include "lyxfont.h"
#include "lyxcursor.h"
#include "lyxtext.h"
using std::endl;
// Insets default methods
// Initialization of the counter for the inset id's,
unsigned int Inset::inset_id = 0;
Inset::Inset()
: top_x(0), topx_set(false), top_baseline(0), scx(0),
id_(inset_id++), owner_(0), background_color_(LColor::inherit)
{}
Inset::Inset(Inset const & in, bool same_id)
: top_x(0), topx_set(false), top_baseline(0), scx(0), owner_(0),
name_(in.name_), background_color_(in.background_color_)
{
if (same_id)
id_ = in.id();
else
id_ = inset_id++;
}
bool Inset::deletable() const
{
return true;
}
bool Inset::directWrite() const
{
return false;
}
Inset::EDITABLE Inset::editable() const
{
return NOT_EDITABLE;
}
void Inset::validate(LaTeXFeatures &) const
{}
bool Inset::autoDelete() const
{
return false;
}
void Inset::edit(BufferView *, int, int, unsigned int)
{}
void Inset::edit(BufferView *, bool)
{}
#if 0
LyXFont const Inset::convertFont(LyXFont const & font) const
{
#if 1
return font;
#else
return LyXFont(font);
#endif
}
#endif
string const Inset::editMessage() const
{
return _("Opened inset");
}
LyXText * Inset::getLyXText(BufferView const * bv, bool const) const
{
if (owner())
return owner()->getLyXText(bv, false);
else
return bv->text;
}
void Inset::setBackgroundColor(LColor::color color)
{
background_color_ = color;
}
LColor::color Inset::backgroundColor() const
{
if (background_color_ == LColor::inherit) {
if (owner())
return owner()->backgroundColor();
else
return LColor::background;
} else
return background_color_;
}
int Inset::id() const
{
return id_;
}
void Inset::id(int id_arg)
{
id_ = id_arg;
}
void Inset::setFont(BufferView *, LyXFont const &, bool, bool )
{}
// some stuff for inset locking
UpdatableInset::UpdatableInset()
: Inset(), cursor_visible_(false), block_drawing_(false)
{}
UpdatableInset::UpdatableInset(UpdatableInset const & in, bool same_id)
: Inset(in, same_id), cursor_visible_(false), block_drawing_(false)
{}
void UpdatableInset::insetButtonPress(BufferView *, int x, int y, int button)
{
lyxerr[Debug::INFO] << "Inset Button Press x=" << x
<< ", y=" << y << ", button=" << button << endl;
}
void UpdatableInset::insetButtonRelease(BufferView *, int x, int y, int button)
{
lyxerr[Debug::INFO] << "Inset Button Release x=" << x
<< ", y=" << y << ", button=" << button << endl;
}
void UpdatableInset::insetKeyPress(XKeyEvent *)
{
lyxerr[Debug::INFO] << "Inset Keypress" << endl;
}
void UpdatableInset::insetMotionNotify(BufferView *, int x, int y, int state)
{
lyxerr[Debug::INFO] << "Inset Motion Notify x=" << x
<< ", y=" << y << ", state=" << state << endl;
}
void UpdatableInset::insetUnlock(BufferView *)
{
lyxerr[Debug::INFO] << "Inset Unlock" << endl;
}
// An updatable inset is highly editable by definition
Inset::EDITABLE UpdatableInset::editable() const
{
return HIGHLY_EDITABLE;
}
void UpdatableInset::toggleInsetCursor(BufferView *)
{}
void UpdatableInset::showInsetCursor(BufferView *, bool)
{}
void UpdatableInset::hideInsetCursor(BufferView *)
{}
void UpdatableInset::fitInsetCursor(BufferView *) const
{}
void UpdatableInset::edit(BufferView *, int, int, unsigned int)
{}
void UpdatableInset::edit(BufferView *, bool)
{}
void UpdatableInset::draw(BufferView *, LyXFont const &,
int /* baseline */, float & x,
bool/*cleared*/) const
{
x += float(scx);
// ATTENTION: don't do the following here!!!
// top_x = int(x);
// top_baseline = baseline;
}
void UpdatableInset::scroll(BufferView * bv, float s) const
{
LyXFont font;
if (!s) {
scx = 0;
return;
}
int const workW = bv->workWidth();
int const tmp_top_x = top_x - scx;
if (tmp_top_x > 0 &&
(tmp_top_x + width(bv, font)) < workW)
return;
if (s > 0 && top_x > 0)
return;
// int mx_scx=abs((width(bv,font) - bv->workWidth())/2);
//int const save_scx = scx;
scx = int(s * workW / 2);
// if (!display())
// scx += 20;
if ((tmp_top_x + scx + width(bv, font)) < (workW / 2)) {
scx += (workW / 2) - (tmp_top_x + scx + width(bv, font));
}
// bv->updateInset(const_cast<UpdatableInset *>(this), false);
}
void UpdatableInset::scroll(BufferView * bv, int offset) const
{
if (offset > 0) {
if (!scx && top_x >= 20)
return;
if ((top_x + offset) > 20)
scx = 0;
// scx += offset - (top_x - scx + offset - 20);
else
scx += offset;
} else {
LyXFont const font;
if (!scx && (top_x + width(bv, font)) < (bv->workWidth() - 20))
return;
if ((top_x - scx + offset + width(bv, font)) < (bv->workWidth() - 20)) {
scx = bv->workWidth() - width(bv, font) - top_x + scx - 20;
} else {
scx += offset;
}
}
// bv->updateInset(const_cast<UpdatableInset *>(this), false);
}
/// An updatable inset could handle lyx editing commands
UpdatableInset::RESULT
UpdatableInset::localDispatch(BufferView * bv,
kb_action action, string const & arg)
{
if (!arg.empty() && (action==LFUN_SCROLL_INSET)) {
if (arg.find('.') != arg.npos) {
float const xx = static_cast<float>(strToDbl(arg));
scroll(bv, xx);
} else {
int const xx = strToInt(arg);
scroll(bv, xx);
}
bv->updateInset(this, false);
return DISPATCHED;
}
return UNDISPATCHED;
}
int UpdatableInset::getMaxWidth(BufferView * bv, UpdatableInset const *) const
{
int w;
if (owner()){
w = static_cast<UpdatableInset*>
(owner())->getMaxWidth(bv, this);
} else {
w = bv->workWidth();
}
if (w < 0) {
return -1;
}
// check for margins left/right and extra right margin "const 5"
if ((w - ((2 * TEXT_TO_INSET_OFFSET) + 5)) >= 0)
w -= (2 * TEXT_TO_INSET_OFFSET) + 5;
if (topx_set) {
w -= top_x;
if (owner()) {
w += owner()->x();
}
}
if (w < 10) {
w = 10;
}
return w;
}
LyXCursor const & Inset::cursor(BufferView * bv) const
{
return bv->text->cursor;
}
string const UpdatableInset::selectNextWord(BufferView *bv,
float & value) const
{
// we have to unlock ourself in this function by default!
bv->unlockInset(const_cast<UpdatableInset *>(this));
value = 0;
return string();
}
bool UpdatableInset::searchForward(BufferView * bv, string const &,
bool const &, bool const &)
{
// we have to unlock ourself in this function by default!
bv->unlockInset(const_cast<UpdatableInset *>(this));
return false;
}
bool UpdatableInset::searchBackward(BufferView * bv, string const &,
bool const &, bool const &)
{
// we have to unlock ourself in this function by default!
bv->unlockInset(const_cast<UpdatableInset *>(this));
return false;
}