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https://git.lyx.org/repos/lyx.git
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0a1aedb25a
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3418 a592a061-630c-0410-9148-cb99ea01b6c8
387 lines
7.5 KiB
C
387 lines
7.5 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "inset.h"
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#include "debug.h"
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#include "BufferView.h"
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#include "support/lstrings.h"
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#include "Painter.h"
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#include "commandtags.h"
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#include "support/lstrings.h"
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#include "gettext.h"
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#include "lyxfont.h"
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#include "lyxcursor.h"
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#include "lyxtext.h"
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using std::endl;
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// Insets default methods
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// Initialization of the counter for the inset id's,
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unsigned int Inset::inset_id = 0;
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Inset::Inset()
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: top_x(0), topx_set(false), top_baseline(0), scx(0),
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id_(inset_id++), owner_(0), par_owner_(0),
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background_color_(LColor::inherit)
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{}
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Inset::Inset(Inset const & in, bool same_id)
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: top_x(0), topx_set(false), top_baseline(0), scx(0), owner_(0),
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name_(in.name_), background_color_(in.background_color_)
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{
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if (same_id)
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id_ = in.id();
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else
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id_ = inset_id++;
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}
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bool Inset::deletable() const
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{
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return true;
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}
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bool Inset::directWrite() const
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{
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return false;
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}
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Inset::EDITABLE Inset::editable() const
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{
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return NOT_EDITABLE;
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}
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void Inset::validate(LaTeXFeatures &) const
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{}
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bool Inset::autoDelete() const
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{
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return false;
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}
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void Inset::edit(BufferView *, int, int, unsigned int)
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{}
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void Inset::edit(BufferView *, bool)
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{}
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#if 0
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LyXFont const Inset::convertFont(LyXFont const & font) const
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{
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#if 1
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return font;
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#else
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return LyXFont(font);
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#endif
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}
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#endif
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string const Inset::editMessage() const
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{
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return _("Opened inset");
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}
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LyXText * Inset::getLyXText(BufferView const * bv, bool const) const
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{
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if (owner())
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return owner()->getLyXText(bv, false);
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else
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return bv->text;
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}
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void Inset::setBackgroundColor(LColor::color color)
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{
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background_color_ = color;
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}
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LColor::color Inset::backgroundColor() const
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{
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if (background_color_ == LColor::inherit) {
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if (owner())
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return owner()->backgroundColor();
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else
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return LColor::background;
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} else
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return background_color_;
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}
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int Inset::id() const
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{
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return id_;
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}
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void Inset::id(int id_arg)
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{
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id_ = id_arg;
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}
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void Inset::setFont(BufferView *, LyXFont const &, bool, bool )
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{}
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bool Inset::forceDefaultParagraphs(Inset const * in) const
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{
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if (owner())
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return owner()->forceDefaultParagraphs(in);
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return false;
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}
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// some stuff for inset locking
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UpdatableInset::UpdatableInset()
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: Inset(), cursor_visible_(false), block_drawing_(false)
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{}
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UpdatableInset::UpdatableInset(UpdatableInset const & in, bool same_id)
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: Inset(in, same_id), cursor_visible_(false), block_drawing_(false)
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{}
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void UpdatableInset::insetButtonPress(BufferView *, int x, int y, int button)
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{
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lyxerr[Debug::INFO] << "Inset Button Press x=" << x
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<< ", y=" << y << ", button=" << button << endl;
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}
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bool UpdatableInset::insetButtonRelease(BufferView *, int x, int y, int button)
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{
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lyxerr[Debug::INFO] << "Inset Button Release x=" << x
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<< ", y=" << y << ", button=" << button << endl;
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return false;
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}
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void UpdatableInset::insetKeyPress(XKeyEvent *)
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{
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lyxerr[Debug::INFO] << "Inset Keypress" << endl;
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}
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void UpdatableInset::insetMotionNotify(BufferView *, int x, int y, int state)
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{
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lyxerr[Debug::INFO] << "Inset Motion Notify x=" << x
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<< ", y=" << y << ", state=" << state << endl;
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}
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void UpdatableInset::insetUnlock(BufferView *)
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{
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lyxerr[Debug::INFO] << "Inset Unlock" << endl;
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}
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// An updatable inset is highly editable by definition
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Inset::EDITABLE UpdatableInset::editable() const
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{
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return HIGHLY_EDITABLE;
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}
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void UpdatableInset::toggleInsetCursor(BufferView *)
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{}
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void UpdatableInset::showInsetCursor(BufferView *, bool)
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{}
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void UpdatableInset::hideInsetCursor(BufferView *)
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{}
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void UpdatableInset::fitInsetCursor(BufferView *) const
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{}
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void UpdatableInset::edit(BufferView *, int, int, unsigned int)
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{}
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void UpdatableInset::edit(BufferView *, bool)
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{}
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void UpdatableInset::draw(BufferView *, LyXFont const &,
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int /* baseline */, float & x,
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bool/*cleared*/) const
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{
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x += float(scx);
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// ATTENTION: don't do the following here!!!
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// top_x = int(x);
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// top_baseline = baseline;
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}
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void UpdatableInset::scroll(BufferView * bv, float s) const
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{
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LyXFont font;
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if (!s) {
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scx = 0;
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return;
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}
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int const workW = bv->workWidth();
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int const tmp_top_x = top_x - scx;
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if (tmp_top_x > 0 &&
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(tmp_top_x + width(bv, font)) < workW)
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return;
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if (s > 0 && top_x > 0)
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return;
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// int mx_scx=abs((width(bv,font) - bv->workWidth())/2);
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//int const save_scx = scx;
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scx = int(s * workW / 2);
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// if (!display())
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// scx += 20;
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if ((tmp_top_x + scx + width(bv, font)) < (workW / 2)) {
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scx += (workW / 2) - (tmp_top_x + scx + width(bv, font));
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}
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// bv->updateInset(const_cast<UpdatableInset *>(this), false);
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}
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void UpdatableInset::scroll(BufferView * bv, int offset) const
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{
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if (offset > 0) {
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if (!scx && top_x >= 20)
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return;
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if ((top_x + offset) > 20)
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scx = 0;
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// scx += offset - (top_x - scx + offset - 20);
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else
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scx += offset;
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} else {
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LyXFont const font;
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if (!scx && (top_x + width(bv, font)) < (bv->workWidth() - 20))
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return;
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if ((top_x - scx + offset + width(bv, font)) < (bv->workWidth() - 20)) {
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scx = bv->workWidth() - width(bv, font) - top_x + scx - 20;
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} else {
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scx += offset;
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}
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}
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// bv->updateInset(const_cast<UpdatableInset *>(this), false);
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}
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/// An updatable inset could handle lyx editing commands
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UpdatableInset::RESULT
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UpdatableInset::localDispatch(BufferView * bv,
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kb_action action, string const & arg)
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{
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if (!arg.empty() && (action==LFUN_SCROLL_INSET)) {
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if (arg.find('.') != arg.npos) {
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float const xx = static_cast<float>(strToDbl(arg));
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scroll(bv, xx);
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} else {
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int const xx = strToInt(arg);
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scroll(bv, xx);
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}
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bv->updateInset(this, false);
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return DISPATCHED;
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}
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return UNDISPATCHED;
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}
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int UpdatableInset::getMaxWidth(BufferView * bv, UpdatableInset const *) const
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{
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int w;
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if (owner()){
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w = static_cast<UpdatableInset*>
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(owner())->getMaxWidth(bv, this);
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} else {
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w = bv->text->workWidth(bv, const_cast<UpdatableInset *>(this));
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}
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if (w < 0) {
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return -1;
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}
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// check for margins left/right and extra right margin "const 5"
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if ((w - ((2 * TEXT_TO_INSET_OFFSET) + 5)) >= 0)
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w -= (2 * TEXT_TO_INSET_OFFSET) + 5;
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if (topx_set && owner()) {
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w -= top_x;
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w += owner()->x();
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} else if (owner()) {
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// this is needed as otherwise we might have a too large inset if
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// its top_x afterwards changes to LeftMargin so we try to put at
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// least the default margin as top_x
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w -= 20;
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}
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if (w < 10) {
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w = 10;
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}
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return w;
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}
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LyXCursor const & Inset::cursor(BufferView * bv) const
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{
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if (owner())
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return owner()->getLyXText(bv, false)->cursor;
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return bv->text->cursor;
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}
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string const UpdatableInset::selectNextWordToSpellcheck(BufferView *bv,
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float & value) const
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{
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// we have to unlock ourself in this function by default!
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bv->unlockInset(const_cast<UpdatableInset *>(this));
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value = 0;
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return string();
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}
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bool UpdatableInset::searchForward(BufferView * bv, string const &,
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bool, bool)
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{
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// we have to unlock ourself in this function by default!
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bv->unlockInset(const_cast<UpdatableInset *>(this));
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return false;
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}
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bool UpdatableInset::searchBackward(BufferView * bv, string const &,
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bool, bool)
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{
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// we have to unlock ourself in this function by default!
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bv->unlockInset(const_cast<UpdatableInset *>(this));
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return false;
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}
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