lyx_mirror/src/bufferview_funcs.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2000 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "bufferview_funcs.h"
#include "LyXView.h"
#include "BufferView.h"
#include "lyxparagraph.h"
#include "lyxfont.h"
#include "lyx_gui_misc.h"
#include "lyxtext.h"
#include "minibuffer.h"
#include "buffer.h"
#include "support/lstrings.h"
#include "lyx_cb.h"
#ifndef NEW_INSETS
void Foot(BufferView * bv)
{
if (!bv->available())
return;
bv->owner()->getMiniBuffer()
->Set(_("Inserting Footnote..."));
bv->hideCursor();
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
bv->text->InsertFootnoteEnvironment(bv, LyXParagraph::FOOTNOTE);
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
#endif
void Emph(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setEmph(LyXFont::TOGGLE);
ToggleAndShow(bv, font);
}
void Bold(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setSeries(LyXFont::BOLD_SERIES);
ToggleAndShow(bv, font);
}
void Noun(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setNoun(LyXFont::TOGGLE);
ToggleAndShow(bv, font);
}
#ifndef NEW_INSETS
void Margin(BufferView * bv)
{
if (bv->available()) {
bv->owner()->getMiniBuffer()->Set(_("Inserting margin note..."));
bv->hideCursor();
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
bv->text->InsertFootnoteEnvironment(bv, LyXParagraph::MARGIN);
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
}
#endif
void Number(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setNumber(LyXFont::TOGGLE);
ToggleAndShow(bv, font);
}
void Lang(BufferView * bv, string const & l)
{
LyXFont font(LyXFont::ALL_IGNORE);
Language const * lang = languages.getLanguage(l);
if (lang) {
font.setLanguage(lang);
ToggleAndShow(bv, font);
} else
WriteAlert(_("Error! unknown language"),l);
}
#ifndef NEW_INSETS
void Melt(BufferView * bv)
{
if (!bv->available()) return;
bv->owner()->getMiniBuffer()->Set(_("Melt"));
bv->hideCursor();
bv->beforeChange(bv->text);
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
bv->text->MeltFootnoteEnvironment(bv);
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
#endif
void Tex(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setLatex (LyXFont::TOGGLE);
ToggleAndShow(bv, font);
}
// Change environment depth.
// if decInc >= 0, increment depth
// if decInc < 0, decrement depth
void changeDepth(BufferView * bv, LyXText * text, int decInc)
{
if (!bv->available() || !text)
return;
bv->hideCursor();
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
if (decInc >= 0)
text->IncDepth(bv);
else
text->DecDepth(bv);
if (text->inset_owner)
bv->updateInset((Inset *)text->inset_owner, true);
bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
bv->owner()->getMiniBuffer()
->Set(_("Changed environment depth"
" (in possible range, maybe not)"));
}
// How should this actually work? Should it prohibit input in all BufferViews,
// or just in the current one? If "just the current one", then it should be
// placed in BufferView. If "all BufferViews" then LyXGUI (I think) should
// run "ProhibitInput" on all LyXViews which will run prohibitInput on all
// BufferViews. Or is it perhaps just the (input in) BufferViews in the
// current LyxView that should be prohibited (Lgb) (This applies to
// "AllowInput" as well.)
void ProhibitInput(BufferView * bv)
{
bv->hideCursor();
static Cursor cursor;
static bool cursor_undefined = true;
if (cursor_undefined){
cursor = XCreateFontCursor(fl_get_display(), XC_watch);
XFlush(fl_get_display());
cursor_undefined = false;
}
/* set the cursor to the watch for all forms and the canvas */
XDefineCursor(fl_get_display(), bv->owner()->getForm()->window,
cursor);
XFlush(fl_get_display());
fl_deactivate_all_forms();
}
void AllowInput(BufferView * bv)
{
/* reset the cursor from the watch for all forms and the canvas */
XUndefineCursor(fl_get_display(), bv->owner()->getForm()->window);
XFlush(fl_get_display());
fl_activate_all_forms();
}
void Code(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
ToggleAndShow(bv, font);
}
void Sans(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setFamily(LyXFont::SANS_FAMILY);
ToggleAndShow(bv, font);
}
void Roman(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setFamily(LyXFont::ROMAN_FAMILY);
ToggleAndShow(bv, font);
}
void StyleReset(BufferView * bv)
{
LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
ToggleAndShow(bv, font);
}
void Underline(BufferView * bv)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setUnderbar(LyXFont::TOGGLE);
ToggleAndShow(bv, font);
}
void FontSize(BufferView * bv, string const & size)
{
LyXFont font(LyXFont::ALL_IGNORE);
font.setLyXSize(size);
ToggleAndShow(bv, font);
}
// Returns the current font and depth as a message.
string const CurrentState(BufferView * bv)
{
string state;
if (bv->available()) {
// I think we should only show changes from the default
// font. (Asger)
LyXText * text = bv->getLyXText();
Buffer * buffer = bv->buffer();
LyXFont font = text->real_current_font;
LyXFont const & defaultfont =
textclasslist
.TextClass(buffer->params.textclass)
.defaultfont();
font.reduce(defaultfont);
state = _("Font: ") + font.stateText(&buffer->params);
// The paragraph depth
int depth = text->GetDepth();
if (depth > 0)
state += string(_(", Depth: ")) + tostr(depth);
// The paragraph spacing, but only if different from
// buffer spacing.
if (!text->cursor.par()->spacing.isDefault()) {
Spacing::Space cur_space =
text->cursor.par()->spacing.getSpace();
state += _(", Spacing: ");
switch (cur_space) {
case Spacing::Single:
state += _("Single");
break;
case Spacing::Onehalf:
state += _("Onehalf");
break;
case Spacing::Double:
state += _("Double");
break;
case Spacing::Other:
state += _("Other (");
state += tostr(text->cursor.par()->spacing.getValue());
state += ")";
break;
case Spacing::Default:
// should never happen, do nothing
break;
}
}
}
return state;
}
/* -------> Does the actual toggle job of the XxxCB() calls above.
* Also shows the current font state.
*/
void ToggleAndShow(BufferView * bv, LyXFont const & font, bool toggleall)
{
if (bv->available()) {
LyXText * text = bv->getLyXText();
bv->hideCursor();
bv->update(text, BufferView::SELECT|BufferView::FITCUR);
text->ToggleFree(bv, font, toggleall);
bv->update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
if (font.language() != ignore_language ||
font.latex() != LyXFont::IGNORE ||
font.number() != LyXFont::IGNORE) {
LyXCursor & cursor = text->cursor;
text->ComputeBidiTables(bv->buffer(), cursor.row());
if (cursor.boundary() !=
text->IsBoundary(bv->buffer(), cursor.par(), cursor.pos(),
text->real_current_font) )
text->SetCursor(bv, cursor.par(), cursor.pos(),
false, !cursor.boundary());
}
}
}