-// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+/**
+ * \file BufferView.C
+ * Copyright 1995-2002 the LyX Team
+ * Read the file COPYING
*
- * ====================================================== */
+ * \author unknown
+ * \author John Levon <moz@compsoc.man.ac.uk>
+ */
#include <config.h>
-#include <algorithm>
-
-#include <cstdlib>
-#include <csignal>
-
-#include <unistd.h>
-#include <sys/wait.h>
-
-#include "support/lstrings.h"
-
#ifdef __GNUG__
#pragma implementation
#endif
-#include "commandtags.h"
#include "BufferView.h"
-#include "bufferlist.h"
-#include "LyXView.h"
-#include "lyxfunc.h"
-#include "insets/lyxinset.h"
-#include "insets/insetbib.h"
-#include "minibuffer.h"
-#include "lyxscreen.h"
-#include "menus.h"
+#include "BufferView_pimpl.h"
+#include "BufferView_pimpl.h"
+#include "LaTeX.h"
+#include "WordLangTuple.h"
+#include "buffer.h"
+#include "bufferlist.h"
#include "debug.h"
-#include "lyx_gui_misc.h"
-#include "BackStack.h"
-#include "lyxtext.h"
-#include "lyx_cb.h"
#include "gettext.h"
-#include "layout.h"
-#include "TextCache.h"
-#include "intl.h"
-#include "lyxrc.h"
-#include "lyxrow.h"
-#include "WorkArea.h"
-#include "font.h"
-#include "BufferView_pimpl.h"
+#include "iterators.h"
+#include "language.h"
+#include "lyxcursor.h"
+#include "lyxlex.h"
+#include "lyxtext.h"
+#include "undo_funcs.h"
+#include "changes.h"
-using std::pair;
-using std::for_each;
-using std::find_if;
-using std::endl;
+#include "frontends/Alert.h"
+#include "frontends/Dialogs.h"
+#include "frontends/LyXView.h"
+#include "frontends/WorkArea.h"
+#include "frontends/screen.h"
+
+#include "insets/insetcommand.h" // ChangeRefs
+#include "insets/inseterror.h"
+
+#include "support/FileInfo.h"
+#include "support/filetools.h"
+#include "support/lyxfunctional.h" // equal_1st_in_pair
+#include "support/types.h"
+#include "support/lyxalgo.h" // lyx_count
+
+#include <fstream>
extern BufferList bufferlist;
-void sigchldhandler(pid_t pid, int * status);
+using lyx::pos_type;
+
+using std::pair;
+using std::endl;
+using std::ifstream;
+using std::vector;
+using std::find;
+using std::count_if;
-extern void SetXtermCursor(Window win);
-extern bool input_prohibited;
-extern bool selection_possible;
-extern char ascii_type;
-extern void MenuPasteSelection(char at);
-extern void FreeUpdateTimer();
-BufferView::BufferView(LyXView * o, int xpos, int ypos,
+BufferView::BufferView(LyXView * owner, int xpos, int ypos,
int width, int height)
- : pimpl_(new Pimpl(this, o, xpos, ypos, width, height))
+ : pimpl_(new Pimpl(this, owner, xpos, ypos, width, height))
{
text = 0;
- the_locking_inset = 0;
- inset_slept = false;
}
}
-LyXView * BufferView::owner() const
+LyXScreen & BufferView::screen() const
{
- return pimpl_->owner_;
+ return pimpl_->screen();
}
-void BufferView::pushIntoUpdateList(Inset * i)
+LyXView * BufferView::owner() const
{
- pimpl_->updatelist.push(i);
+ return pimpl_->owner_;
}
-Painter & BufferView::painter()
+Painter & BufferView::painter() const
{
- return pimpl_->workarea->getPainter();
+ return pimpl_->painter();
}
void BufferView::buffer(Buffer * b)
{
- lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
- << b << ")" << endl;
- if (pimpl_->buffer_) {
- insetSleep();
- pimpl_->buffer_->delUser(this);
-
- // Put the old text into the TextCache, but
- // only if the buffer is still loaded.
- // Also set the owner of the test to 0
- text->owner(0);
- textcache.add(text);
- if (lyxerr.debugging())
- textcache.show(lyxerr, "BufferView::buffer");
-
- text = 0;
- }
-
- // Set current buffer
- pimpl_->buffer_ = b;
-
- if (bufferlist.getState() == BufferList::CLOSING) return;
-
- // Nuke old image
- // screen is always deleted when the buffer is changed.
- delete pimpl_->screen;
- pimpl_->screen = 0;
+ pimpl_->buffer(b);
+}
- // If we are closing the buffer, use the first buffer as current
- if (!pimpl_->buffer_) {
- pimpl_->buffer_ = bufferlist.first();
- }
+void BufferView::resize()
+{
if (pimpl_->buffer_) {
- lyxerr[Debug::INFO] << "Buffer addr: " << pimpl_->buffer_ << endl;
- pimpl_->buffer_->addUser(this);
- pimpl_->owner_->getMenus()->showMenus();
- // If we don't have a text object for this, we make one
- if (text == 0)
- resizeCurrentBuffer();
- else {
- pimpl_->updateScreen();
- updateScrollbar();
- }
- pimpl_->screen->first = pimpl_->screen->TopCursorVisible();
- redraw();
- updateAllVisibleBufferRelatedPopups();
- insetWakeup();
- } else {
- lyxerr[Debug::INFO] << " No Buffer!" << endl;
- pimpl_->owner_->getMenus()->hideMenus();
- updateScrollbar();
- pimpl_->workarea->redraw();
-
- // Also remove all remaining text's from the testcache.
- // (there should not be any!) (if there is any it is a
- // bug!)
- if (lyxerr.debugging())
- textcache.show(lyxerr, "buffer delete all");
- textcache.clear();
+ pimpl_->resizeCurrentBuffer();
}
- // should update layoutchoice even if we don't have a buffer.
- pimpl_->owner_->updateLayoutChoice();
- pimpl_->owner_->getMiniBuffer()->Init();
- pimpl_->owner_->updateWindowTitle();
}
-void BufferView::resize(int xpos, int ypos, int width, int height)
+void BufferView::repaint()
{
- pimpl_->workarea->resize(xpos, ypos, width, height);
- update(3);
- redraw();
+ pimpl_->repaint();
}
-void BufferView::resize()
+bool BufferView::fitCursor()
{
- // This will resize the buffer. (Asger)
- if (pimpl_->buffer_)
- resizeCurrentBuffer();
+ return pimpl_->fitCursor();
}
-void BufferView::redraw()
+void BufferView::update()
{
- lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
- pimpl_->workarea->redraw();
+ pimpl_->update();
}
-void BufferView::fitCursor()
+void BufferView::updateScrollbar()
{
- if (pimpl_->screen) pimpl_->screen->FitCursor();
- updateScrollbar();
+ pimpl_->updateScrollbar();
}
-void BufferView::update()
+void BufferView::scrollDocView(int value)
{
- if (pimpl_->screen) pimpl_->screen->Update();
+ pimpl_->scrollDocView(value);
}
-void BufferView::updateScrollbar()
+void BufferView::redoCurrentBuffer()
{
- /* If the text is smaller than the working area, the scrollbar
- * maximum must be the working area height. No scrolling will
- * be possible */
-
- if (!pimpl_->buffer_) {
- pimpl_->workarea->setScrollbar(0, 1.0);
- return;
- }
-
- static long max2 = 0;
- static long height2 = 0;
-
- long cbth = 0;
- long cbsf = 0;
-
- if (text)
- cbth = text->height;
- if (pimpl_->screen)
- cbsf = pimpl_->screen->first;
-
- // check if anything has changed.
- if (max2 == cbth &&
- height2 == pimpl_->workarea->height() &&
- pimpl_->current_scrollbar_value == cbsf)
- return; // no
- max2 = cbth;
- height2 = pimpl_->workarea->height();
- pimpl_->current_scrollbar_value = cbsf;
-
- if (cbth <= height2) { // text is smaller than screen
- pimpl_->workarea->setScrollbar(0, 1.0); // right?
- return;
- }
+ pimpl_->redoCurrentBuffer();
+}
- long maximum_height = pimpl_->workarea->height() * 3 / 4 + cbth;
- long value = cbsf;
- // set the scrollbar
- double hfloat = pimpl_->workarea->height();
- double maxfloat = maximum_height;
+bool BufferView::available() const
+{
+ return pimpl_->available();
+}
- float slider_size = 0.0;
- int slider_value = value;
- pimpl_->workarea->setScrollbarBounds(0, text->height - pimpl_->workarea->height());
- double lineh = text->DefaultHeight();
- pimpl_->workarea->setScrollbarIncrements(lineh);
- if (maxfloat > 0.0) {
- if ((hfloat / maxfloat) * float(height2) < 3)
- slider_size = 3.0/float(height2);
- else
- slider_size = hfloat / maxfloat;
- } else
- slider_size = hfloat;
+Change const BufferView::getCurrentChange()
+{
+ return pimpl_->getCurrentChange();
+}
- pimpl_->workarea->setScrollbar(slider_value, slider_size / pimpl_->workarea->height());
+
+void BufferView::beforeChange(LyXText * text)
+{
+ pimpl_->beforeChange(text);
}
-void BufferView::redoCurrentBuffer()
+void BufferView::savePosition(unsigned int i)
{
- lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
- if (pimpl_->buffer_ && text) {
- resize();
- pimpl_->owner_->updateLayoutChoice();
- }
+ pimpl_->savePosition(i);
}
-int BufferView::resizeCurrentBuffer()
+void BufferView::restorePosition(unsigned int i)
{
- lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
-
- LyXParagraph * par = 0;
- LyXParagraph * selstartpar = 0;
- LyXParagraph * selendpar = 0;
- int pos = 0;
- int selstartpos = 0;
- int selendpos = 0;
- int selection = 0;
- int mark_set = 0;
+ pimpl_->restorePosition(i);
+}
- ProhibitInput();
- pimpl_->owner_->getMiniBuffer()->Set(_("Formatting document..."));
+bool BufferView::isSavedPosition(unsigned int i)
+{
+ return pimpl_->isSavedPosition(i);
+}
- if (text) {
- par = text->cursor.par;
- pos = text->cursor.pos;
- selstartpar = text->sel_start_cursor.par;
- selstartpos = text->sel_start_cursor.pos;
- selendpar = text->sel_end_cursor.par;
- selendpos = text->sel_end_cursor.pos;
- selection = text->selection;
- mark_set = text->mark_set;
- delete text;
- text = new LyXText(this, pimpl_->workarea->workWidth(), pimpl_->buffer_);
- } else {
- // See if we have a text in TextCache that fits
- // the new buffer_ with the correct width.
- text = textcache.findFit(pimpl_->buffer_, pimpl_->workarea->workWidth());
- if (text) {
- if (lyxerr.debugging()) {
- lyxerr << "Found a LyXText that fits:\n";
- textcache.show(lyxerr, text);
- }
- // Set the owner of the newly found text
- text->owner(this);
- if (lyxerr.debugging())
- textcache.show(lyxerr, "resizeCurrentBuffer");
- } else {
- text = new LyXText(this, pimpl_->workarea->workWidth(), pimpl_->buffer_);
- }
- }
- pimpl_->updateScreen();
-
- if (par) {
- text->selection = true;
- /* at this point just to avoid the Delete-Empty-Paragraph
- * Mechanism when setting the cursor */
- text->mark_set = mark_set;
- if (selection) {
- text->SetCursor(selstartpar, selstartpos);
- text->sel_cursor = text->cursor;
- text->SetCursor(selendpar, selendpos);
- text->SetSelection();
- text->SetCursor(par, pos);
- } else {
- text->SetCursor(par, pos);
- text->sel_cursor = text->cursor;
- text->selection = false;
- }
- }
- pimpl_->screen->first = pimpl_->screen->TopCursorVisible(); /* this will scroll the
- * screen such that the
- * cursor becomes
- * visible */
- updateScrollbar();
- redraw();
- pimpl_->owner_->getMiniBuffer()->Init();
- setState();
- AllowInput();
-
- // Now if the title form still exist kill it
- TimerCB(0, 0);
- return 0;
+void BufferView::update(LyXText * text, UpdateCodes f)
+{
+ pimpl_->update(text, f);
}
-void BufferView::gotoError()
+void BufferView::switchKeyMap()
{
- if (!pimpl_->screen)
- return;
-
- pimpl_->screen->HideCursor();
- beforeChange();
- update(-2);
- LyXCursor tmp;
-
- if (!text->GotoNextError()) {
- if (text->cursor.pos
- || text->cursor.par != text->FirstParagraph()) {
- tmp = text->cursor;
- text->cursor.par = text->FirstParagraph();
- text->cursor.pos = 0;
- if (!text->GotoNextError()) {
- text->cursor = tmp;
- pimpl_->owner_->getMiniBuffer()
- ->Set(_("No more errors"));
- LyXBell();
- }
- } else {
- pimpl_->owner_->getMiniBuffer()->Set(_("No more errors"));
- LyXBell();
- }
- }
- update(0);
- text->sel_cursor = text->cursor;
+ pimpl_->switchKeyMap();
}
-extern "C" {
- void C_BufferView_CursorToggleCB(FL_OBJECT * ob, long buf)
- {
- BufferView::cursorToggleCB(ob, buf);
- }
+void BufferView::insetUnlock()
+{
+ pimpl_->insetUnlock();
}
-// Callback for scrollbar up button
-void BufferView::upCB(long time, int button)
+int BufferView::workWidth() const
{
- if (pimpl_->buffer_ == 0) return;
-
- switch (button) {
- case 3:
- pimpl_->scrollUpOnePage();
- break;
- case 2:
- pimpl_->scrollDownOnePage();
- break;
- default:
- pimpl_->scrollUp(time);
- break;
- }
+ return pimpl_->workarea().workWidth();
}
-static inline
-void waitForX()
+void BufferView::showCursor()
{
- XSync(fl_get_display(), 0);
+ pimpl_->showCursor();
}
-// Callback for scrollbar slider
-void BufferView::scrollCB(double value)
+void BufferView::hideCursor()
{
- extern bool cursor_follows_scrollbar;
-
- if (pimpl_->buffer_ == 0) return;
+ pimpl_->hideCursor();
+}
- pimpl_->current_scrollbar_value = long(value);
- if (pimpl_->current_scrollbar_value < 0)
- pimpl_->current_scrollbar_value = 0;
-
- if (!pimpl_->screen)
- return;
- pimpl_->screen->Draw(pimpl_->current_scrollbar_value);
-
- if (cursor_follows_scrollbar) {
- LyXText * vbt = text;
- int height = vbt->DefaultHeight();
-
- if (vbt->cursor.y < pimpl_->screen->first + height) {
- vbt->SetCursorFromCoordinates(0,
- pimpl_->screen->first +
- height);
- } else if (vbt->cursor.y >
- pimpl_->screen->first + pimpl_->workarea->height() - height) {
- vbt->SetCursorFromCoordinates(0,
- pimpl_->screen->first +
- pimpl_->workarea->height() -
- height);
- }
- }
- waitForX();
+void BufferView::toggleSelection(bool b)
+{
+ pimpl_->toggleSelection(b);
}
-// Callback for scrollbar down button
-void BufferView::downCB(long time, int button)
+void BufferView::toggleToggle()
{
- if (pimpl_->buffer_ == 0) return;
-
- switch (button) {
- case 2:
- pimpl_->scrollUpOnePage();
- break;
- case 3:
- pimpl_->scrollDownOnePage();
- break;
- default:
- pimpl_->scrollDown(time);
- break;
- }
+ pimpl_->toggleToggle();
}
-void BufferView::workAreaMotionNotify(int x, int y, unsigned int state)
+void BufferView::center()
{
- pimpl_->workAreaMotionNotify(x, y, state);
+ pimpl_->center();
}
-extern int bibitemMaxWidth(Painter &, LyXFont const &);
+string const BufferView::getClipboard() const
+{
+ return pimpl_->workarea().getClipboard();
+}
-/// Single-click on work area
-void BufferView::workAreaButtonPress(int xpos, int ypos, unsigned int button)
+void BufferView::stuffClipboard(string const & stuff) const
{
- pimpl_->workAreaButtonPress(xpos, ypos, button);
+ pimpl_->stuffClipboard(stuff);
}
-void BufferView::doubleClick(int x, int y, unsigned int button)
+BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
+ BufferView::UpdateCodes uc2)
{
- pimpl_->doubleClick(x, y, button);
+ return static_cast<BufferView::UpdateCodes>
+ (static_cast<int>(uc1) | static_cast<int>(uc2));
}
-void BufferView::tripleClick(int x, int y, unsigned int button)
+bool BufferView::dispatch(FuncRequest const & ev)
{
- pimpl_->tripleClick(x, y, button);
+ return pimpl_->dispatch(ev);
}
-void BufferView::workAreaButtonRelease(int x, int y, unsigned int button)
+void BufferView::scroll(int lines)
{
- pimpl_->workAreaButtonRelease(x, y, button);
+ pimpl_->scroll(lines);
}
-void BufferView::workAreaExpose()
+int BufferView::defaultHeight() const
{
- pimpl_->workAreaExpose();
+ return text->defaultHeight();
}
-// Callback for cursor timer
-void BufferView::cursorToggleCB(FL_OBJECT * ob, long)
+
+// Inserts a file into current document
+bool BufferView::insertLyXFile(string const & filen)
+ //
+ // Copyright CHT Software Service GmbH
+ // Uwe C. Schroeder
+ //
+ // Insert a LyXformat - file into current buffer
+ //
+ // Moved from lyx_cb.C (Lgb)
{
- BufferView * view = static_cast<BufferView*>(ob->u_vdata);
-
- // Quite a nice place for asyncron Inset updating, isn't it?
- // Actually no! This is run even if no buffer exist... so (Lgb)
- if (view && !view->pimpl_->buffer_) {
- goto set_timer_and_return;
+ if (filen.empty())
+ return false;
+
+ string const fname = MakeAbsPath(filen);
+
+ // check if file exist
+ FileInfo const fi(fname);
+
+ if (!fi.readable()) {
+ Alert::alert(_("Error!"),
+ _("Specified file is unreadable: "),
+ MakeDisplayPath(fname, 50));
+ return false;
}
- //Â NOTE:
- // On my quest to solve the gs render hangups I am now
- // disabling the SIGHUP completely, and will do a wait
- // now and then instead. If the guess that xforms somehow
- // destroys something is true, this is likely (hopefully)
- // to solve the problem...at least I hope so. Lgb
-
- // ...Ok this seems to work...at least it does not make things
- // worse so far. However I still see gs processes that hangs.
- // I would really like to know _why_ they are hanging. Anyway
- // the solution without the SIGCHLD handler seems to be easier
- // to debug.
-
- // When attaching gdb to a a running gs that hangs it shows
- // that it is waiting for input(?) Is it possible for us to
- // provide that input somehow? Or figure what it is expecing
- // to read?
-
- // One solution is to, after some time, look if there are some
- // old gs processes still running and if there are: kill them
- // and re render.
-
- // Another solution is to provide the user an option to rerender
- // a picture. This would, for the picture in question, check if
- // there is a gs running for it, if so kill it, and start a new
- // rendering process.
-
- // these comments posted to lyx@via
- {
- int status = 1;
- int pid = waitpid(static_cast<pid_t>(0), &status, WNOHANG);
- if (pid == -1) // error find out what is wrong
- ; // ignore it for now.
- else if (pid > 0)
- sigchldhandler(pid, &status);
+ beforeChange(text);
+
+ ifstream ifs(fname.c_str());
+ if (!ifs) {
+ Alert::err_alert(_("Error! Cannot open specified file:"),
+ MakeDisplayPath(fname, 50));
+ return false;
}
- view->pimpl_->updatelist.update(view);
-
- if (view && !view->pimpl_->screen) {
- goto set_timer_and_return;
+ int const c = ifs.peek();
+
+ LyXLex lex(0, 0);
+ lex.setStream(ifs);
+
+ bool res = true;
+
+ if (c == '#') {
+ lyxerr[Debug::INFO] << "Will insert file with header" << endl;
+ res = buffer()->readFile(lex, fname, text->cursor.par());
+ } else {
+ lyxerr[Debug::INFO] << "Will insert file without header"
+ << endl;
+ res = buffer()->readLyXformat2(lex, text->cursor.par());
}
- if (view->pimpl_->lyx_focus && view->pimpl_->work_area_focus) {
- if (!view->the_locking_inset) {
- view->pimpl_->screen->CursorToggle();
+ resize();
+ return res;
+}
+
+
+bool BufferView::removeAutoInsets()
+{
+ // keep track of which pos and par the cursor was on
+ Paragraph * cursor_par = text->cursor.par();
+ Paragraph * cursor_par_prev = cursor_par ? cursor_par->previous() : 0;
+ Paragraph * cursor_par_next = cursor_par ? cursor_par->next() : 0;
+ pos_type cursor_pos = text->cursor.pos();
+
+ bool found = false;
+
+ // Trap the deletion of the paragraph the cursor is in.
+ // Iterate until we find a paragraph that won't be immediately deleted.
+ // In reality this should mean we only execute the body of the while
+ // loop once at most. However for safety we iterate rather than just
+ // make this an if () conditional.
+ while ((cursor_par_prev || cursor_par_next)
+ && text->setCursor(this,
+ cursor_par_prev ? cursor_par_prev : cursor_par_next,
+ 0)) {
+ // We just removed cursor_par so have to fix the "cursor"
+ if (cursor_par_prev) {
+ // '.' = cursor_par
+ // a -> a.
+ // .
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par->size();
} else {
- view->the_locking_inset->
- ToggleInsetCursor(view);
+ // . -> .a
+ // a
+ cursor_par = cursor_par_next;
+ cursor_pos = 0;
}
- goto set_timer_and_return;
- } else {
- // Make sure that the cursor is visible.
- if (!view->the_locking_inset) {
- view->pimpl_->screen->ShowCursor();
- } else {
- if (!view->the_locking_inset->isCursorVisible())
- view->the_locking_inset->
- ToggleInsetCursor(view);
+ cursor_par_prev = cursor_par->previous();
+ cursor_par_next = cursor_par->next();
+ }
+
+ // Iterate through the paragraphs removing autoDelete insets as we go.
+ // If the paragraph ends up empty after all the autoDelete insets are
+ // removed that paragraph will be removed by the next setCursor() call.
+ ParIterator it = buffer()->par_iterator_begin();
+ ParIterator end = buffer()->par_iterator_end();
+ for (; it != end; ++it) {
+ Paragraph * par = *it;
+ Paragraph * par_prev = par ? par->previous() : 0;
+ bool removed = false;
+
+ if (text->setCursor(this, par, 0)
+ && cursor_par == par_prev) {
+ // The previous setCursor line was deleted and that
+ // was the cursor_par line. This can only happen if an
+ // error box was the sole item on cursor_par.
+ // It is possible for cursor_par_prev to be stray if
+ // the line it pointed to only had a error box on it
+ // so we have to set it to a known correct value.
+ // This is often the same value it already had.
+ cursor_par_prev = par->previous();
+ if (cursor_par_prev) {
+ // '|' = par, '.' = cursor_par, 'E' = error box
+ // First step below may occur before while{}
+ // a |a a a a.
+ // E -> .E -> |.E -> . -> |b
+ // . b b |b
+ // b
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par_prev->size();
+ cursor_par_prev = cursor_par->previous();
+ // cursor_par_next remains the same
+ } else if (cursor_par_next) {
+ // First step below may occur before while{}
+ // .
+ // E -> |.E -> |. -> . -> .|a
+ // a a a |a
+ cursor_par = cursor_par_next;
+ cursor_pos = 0;
+ // cursor_par_prev remains unset
+ cursor_par_next = cursor_par->next();
+ } else {
+ // I can't find a way to trigger this
+ // so it should be unreachable code
+ // unless the buffer is corrupted.
+ lyxerr << "BufferView::removeAutoInsets() is bad\n";
+ }
}
- // This is only run when work_area_focus or lyx_focus is false.
- Window tmpwin;
- int tmp;
- XGetInputFocus(fl_display, &tmpwin, &tmp);
- // Commenting this out, we have not had problems with this
- // for a long time. We will probably work on this code later
- // and we can reenable this debug code then. Now it only
- // anoying when debugging. (Lgb)
- //if (lyxerr.debugging(Debug::INFO)) {
- // lyxerr << "tmpwin: " << tmpwin
- // << "\nwindow: " << view->owner_->getForm()->window
- // << "\nwork_area_focus: " << view->work_area_focus
- // << "\nlyx_focus : " << view->lyx_focus
- // << endl;
- //}
- if (tmpwin != view->pimpl_->owner_->getForm()->window) {
- view->pimpl_->lyx_focus = false;
- goto skip_timer;
- } else {
- view->pimpl_->lyx_focus = true;
- if (!view->pimpl_->work_area_focus)
- goto skip_timer;
- else
- goto set_timer_and_return;
+
+ InsetList::iterator pit = par->insetlist.begin();
+ InsetList::iterator pend = par->insetlist.end();
+
+ while (pit != pend) {
+ if (pit.getInset()->autoDelete()) {
+ removed = true;
+ pos_type const pos = pit.getPos();
+
+ par->erase(pos);
+ // We just invalidated par's inset iterators so
+ // we get the next valid iterator position
+ pit = par->insetlist.insetIterator(pos);
+ // and ensure we have a valid end iterator.
+ pend = par->insetlist.end();
+
+ if (cursor_par == par) {
+ // update the saved cursor position
+ if (cursor_pos > pos)
+ --cursor_pos;
+ }
+ } else {
+ ++pit;
+ }
}
+ if (removed) {
+ found = true;
+ text->redoParagraph(this);
+ }
+ }
+
+ // It is possible that the last line is empty if it was cursor_par
+ // and/or only had an error inset on it. So we set the cursor to the
+ // start of the doc to force its removal and ensure a valid saved cursor
+ if (text->setCursor(this, text->ownerParagraph(), 0)
+ && 0 == cursor_par_next) {
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par->size();
+ } else if (cursor_pos > cursor_par->size()) {
+ // Some C-Enter lines were removed by the setCursor call which
+ // then invalidated cursor_pos. It could still be "wrong" because
+ // the cursor may appear to have jumped but since we collapsed
+ // some C-Enter lines this should be a reasonable compromise.
+ cursor_pos = cursor_par->size();
}
- set_timer_and_return:
- fl_set_timer(ob, 0.4);
- skip_timer:
- return;
+ // restore the original cursor in its corrected location.
+ text->setCursorIntern(this, cursor_par, cursor_pos);
+
+ return found;
}
-void BufferView::workAreaSelectionNotify(Window win, XEvent * event)
+void BufferView::insertErrors(TeXErrors & terr)
{
- pimpl_->workAreaSelectionNotify(win, event);
+ // Save the cursor position
+ LyXCursor cursor = text->cursor;
+
+ TeXErrors::Errors::const_iterator cit = terr.begin();
+ TeXErrors::Errors::const_iterator end = terr.end();
+ for (; cit != end; ++cit) {
+ string const desctext(cit->error_desc);
+ string const errortext(cit->error_text);
+ string const msgtxt = desctext + '\n' + errortext;
+ int const errorrow = cit->error_in_line;
+
+ // Insert error string for row number
+ int tmpid = -1;
+ int tmppos = -1;
+
+ if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
+ buffer()->texrow.increasePos(tmpid, tmppos);
+ }
+
+ Paragraph * texrowpar = 0;
+
+ if (tmpid == -1) {
+ texrowpar = text->ownerParagraph();
+ tmppos = 0;
+ } else {
+ texrowpar = buffer()->getParFromID(tmpid);
+ }
+
+ if (texrowpar == 0)
+ continue;
+
+ freezeUndo();
+ InsetError * new_inset = new InsetError(msgtxt);
+ text->setCursorIntern(this, texrowpar, tmppos);
+ text->insertInset(this, new_inset);
+ text->fullRebreak(this);
+ unFreezeUndo();
+ }
+ // Restore the cursor position
+ text->setCursorIntern(this, cursor.par(), cursor.pos());
}
-void BufferView::cursorPrevious()
+void BufferView::setCursorFromRow(int row)
{
- if (!text->cursor.row->previous) return;
-
- long y = pimpl_->screen->first;
- Row * cursorrow = text->cursor.row;
- text->SetCursorFromCoordinates(text->cursor.x_fix, y);
- text->FinishUndo();
- // This is to allow jumping over large insets
- if ((cursorrow == text->cursor.row))
- text->CursorUp();
-
- if (text->cursor.row->height < pimpl_->workarea->height())
- pimpl_->screen->Draw(text->cursor.y
- - text->cursor.row->baseline
- + text->cursor.row->height
- - pimpl_->workarea->height() + 1 );
+ int tmpid = -1;
+ int tmppos = -1;
+
+ buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
+
+ Paragraph * texrowpar;
+
+ if (tmpid == -1) {
+ texrowpar = text->ownerParagraph();
+ tmppos = 0;
+ } else {
+ texrowpar = buffer()->getParFromID(tmpid);
+ }
+ text->setCursor(this, texrowpar, tmppos);
}
-void BufferView::cursorNext()
+bool BufferView::insertInset(Inset * inset, string const & lout)
{
- if (!text->cursor.row->next) return;
-
- long y = pimpl_->screen->first;
- text->GetRowNearY(y);
- Row * cursorrow = text->cursor.row;
- text->SetCursorFromCoordinates(text->cursor.x_fix, y
- + pimpl_->workarea->height());
- text->FinishUndo();
- // This is to allow jumping over large insets
- if ((cursorrow == text->cursor.row))
- text->CursorDown();
-
- if (text->cursor.row->height < pimpl_->workarea->height())
- pimpl_->screen->Draw(text->cursor.y
- - text->cursor.row->baseline);
+ return pimpl_->insertInset(inset, lout);
}
-bool BufferView::available() const
+// This is also a buffer property (ale)
+// Not so sure about that. a goto Label function can not be buffer local, just
+// think how this will work in a multiwindow/buffer environment, all the
+// cursors in all the views showing this buffer will move. (Lgb)
+// OK, then no cursor action should be allowed in buffer. (ale)
+bool BufferView::gotoLabel(string const & label)
{
- if (pimpl_->buffer_ && text) return true;
+ for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
+ it != buffer()->inset_iterator_end(); ++it) {
+ vector<string> labels = it->getLabelList();
+ if (find(labels.begin(),labels.end(),label)
+ != labels.end()) {
+ beforeChange(text);
+ text->setCursor(this, it.getPar(), it.getPos());
+ text->selection.cursor = text->cursor;
+ update(text, BufferView::SELECT|BufferView::FITCUR);
+ return true;
+ }
+ }
return false;
}
-void BufferView::beforeChange()
+void BufferView::undo()
{
- toggleSelection();
- text->ClearSelection();
- FreeUpdateTimer();
+ if (!available())
+ return;
+
+ owner()->message(_("Undo"));
+ hideCursor();
+ beforeChange(text);
+ update(text, BufferView::SELECT|BufferView::FITCUR);
+ if (!textUndo(this))
+ owner()->message(_("No further undo information"));
+ else
+ update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+ switchKeyMap();
}
-void BufferView::savePosition()
+void BufferView::redo()
{
- pimpl_->backstack.push(buffer()->fileName(),
- text->cursor.x,
- text->cursor.y);
+ if (!available())
+ return;
+
+ owner()->message(_("Redo"));
+ hideCursor();
+ beforeChange(text);
+ update(text, BufferView::SELECT|BufferView::FITCUR);
+ if (!textRedo(this))
+ owner()->message(_("No further redo information"));
+ else
+ update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+ switchKeyMap();
}
-void BufferView::restorePosition()
+void BufferView::copyEnvironment()
{
- if (pimpl_->backstack.empty()) return;
-
- int x, y;
- string fname = pimpl_->backstack.pop(&x, &y);
-
- beforeChange();
- Buffer * b = bufferlist.exists(fname) ?
- bufferlist.getBuffer(fname) :
- bufferlist.loadLyXFile(fname); // don't ask, just load it
- buffer(b);
- text->SetCursorFromCoordinates(x, y);
- update(0);
-}
+ if (available()) {
+ text->copyEnvironmentType();
+ owner()->message(_("Paragraph environment type copied"));
+ }
+}
-void BufferView::update(signed char f)
+void BufferView::pasteEnvironment()
{
- owner()->updateLayoutChoice();
-
- if (!text->selection && f > -3)
- text->sel_cursor = text->cursor;
-
- FreeUpdateTimer();
- text->FullRebreak();
-
- update();
+ if (available()) {
+ text->pasteEnvironmentType(this);
+ owner()->message(_("Paragraph environment type set"));
+ update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+ }
+}
- if (f != 3 && f != -3) {
- fitCursor();
- updateScrollbar();
- }
- if (f == 1 || f == -1) {
- if (buffer()->isLyxClean()) {
- buffer()->markDirty();
- owner()->getMiniBuffer()->setTimer(4);
- } else {
- buffer()->markDirty();
- }
+// these functions are for the spellchecker
+WordLangTuple const BufferView::nextWord(float & value)
+{
+ if (!available()) {
+ value = 1;
+ return WordLangTuple();
}
+
+ return text->selectNextWordToSpellcheck(this, value);
}
-void BufferView::smallUpdate(signed char f)
+void BufferView::selectLastWord()
{
- pimpl_->screen->SmallUpdate();
- if (pimpl_->screen->TopCursorVisible()
- != pimpl_->screen->first) {
- update(f);
+ if (!available())
return;
- }
- fitCursor();
- updateScrollbar();
+ LyXCursor cur = text->selection.cursor;
+ hideCursor();
+ beforeChange(text);
+ text->selection.cursor = cur;
+ text->selectSelectedWord(this);
+ toggleSelection(false);
+ update(text, BufferView::SELECT|BufferView::FITCUR);
+}
- if (!text->selection)
- text->sel_cursor = text->cursor;
- if (f == 1 || f == -1) {
- if (buffer()->isLyxClean()) {
- buffer()->markDirty();
- owner()->getMiniBuffer()->setTimer(4);
- } else {
- buffer()->markDirty();
- }
- }
+void BufferView::endOfSpellCheck()
+{
+ if (!available()) return;
+
+ hideCursor();
+ beforeChange(text);
+ text->selectSelectedWord(this);
+ text->clearSelection();
+ update(text, BufferView::SELECT|BufferView::FITCUR);
}
-void BufferView::setState()
+void BufferView::replaceWord(string const & replacestring)
{
- if (!lyxrc.rtl_support)
+ if (!available())
return;
- if (text->real_current_font.isVisibleRightToLeft()) {
- if (pimpl_->owner_->getIntl()->primarykeymap)
- pimpl_->owner_->getIntl()->KeyMapSec();
- } else {
- if (!pimpl_->owner_->getIntl()->primarykeymap)
- pimpl_->owner_->getIntl()->KeyMapPrim();
+ LyXText * tt = getLyXText();
+ hideCursor();
+ update(tt, BufferView::SELECT|BufferView::FITCUR);
+
+ // clear the selection (if there is any)
+ toggleSelection(false);
+ update(tt, BufferView::SELECT|BufferView::FITCUR);
+
+ // clear the selection (if there is any)
+ toggleSelection(false);
+ tt->replaceSelectionWithString(this, replacestring);
+
+ tt->setSelectionRange(this, replacestring.length());
+
+ // Go back so that replacement string is also spellchecked
+ for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
+ tt->cursorLeft(this);
+ }
+ update(tt, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+}
+// End of spellchecker stuff
+
+
+bool BufferView::lockInset(UpdatableInset * inset)
+{
+ if (!inset)
+ return false;
+ // don't relock if we're already locked
+ if (theLockingInset() == inset)
+ return true;
+ if (!theLockingInset()) {
+ // first check if it's the inset under the cursor we want lock
+ // should be most of the time
+ char const c = text->cursor.par()->getChar(text->cursor.pos());
+ if (c == Paragraph::META_INSET) {
+ Inset * in = text->cursor.par()->getInset(text->cursor.pos());
+ if (inset == in) {
+ theLockingInset(inset);
+ return true;
+ }
+ }
+ // Then do a deep look of the inset and lock the right one
+ int const id = inset->id();
+ ParagraphList::iterator pit = buffer()->paragraphs.begin();
+ ParagraphList::iterator pend = buffer()->paragraphs.end();
+ for (; pit != pend; ++pit) {
+ InsetList::iterator it = pit->insetlist.begin();
+ InsetList::iterator end = pit->insetlist.end();
+ for (; it != end; ++it) {
+ if (it.getInset() == inset) {
+ text->setCursorIntern(this, &*pit, it.getPos());
+ theLockingInset(inset);
+ return true;
+ }
+ if (it.getInset()->getInsetFromID(id)) {
+ text->setCursorIntern(this, &*pit, it.getPos());
+ it.getInset()->edit(this);
+ return theLockingInset()->lockInsetInInset(this, inset);
+ }
+ }
+ }
+ return false;
+ }
+ return theLockingInset()->lockInsetInInset(this, inset);
+}
+
+
+void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
+{
+ if (available() && theLockingInset() && !theLockingInset()->nodraw()) {
+ LyXCursor cursor = text->cursor;
+ Inset * locking_inset = theLockingInset()->getLockingInset();
+
+ if ((cursor.pos() - 1 >= 0) &&
+ cursor.par()->isInset(cursor.pos() - 1) &&
+ (cursor.par()->getInset(cursor.pos() - 1) ==
+ locking_inset))
+ text->setCursor(this, cursor,
+ cursor.par(), cursor.pos() - 1);
+ LyXScreen::Cursor_Shape shape = LyXScreen::BAR_SHAPE;
+ LyXText * txt = getLyXText();
+ if (locking_inset->isTextInset() &&
+ locking_inset->lyxCode() != Inset::ERT_CODE &&
+ (txt->real_current_font.language() !=
+ buffer()->params.language
+ || txt->real_current_font.isVisibleRightToLeft()
+ != buffer()->params.language->RightToLeft()))
+ shape = (txt->real_current_font.isVisibleRightToLeft())
+ ? LyXScreen::REVERSED_L_SHAPE
+ : LyXScreen::L_SHAPE;
+ y += cursor.iy() + theLockingInset()->insetInInsetY();
+ screen().showManualCursor(text, x, y, asc, desc,
+ shape);
}
}
-void BufferView::insetSleep()
+void BufferView::hideLockedInsetCursor()
{
- if (the_locking_inset && !inset_slept) {
- the_locking_inset->GetCursorPos(slx, sly);
- the_locking_inset->InsetUnlock(this);
- inset_slept = true;
+ if (theLockingInset() && available()) {
+ screen().hideCursor();
}
}
-void BufferView::insetWakeup()
+bool BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
{
- if (the_locking_inset && inset_slept) {
- the_locking_inset->Edit(this, slx, sly, 0);
- inset_slept = false;
+ if (theLockingInset() && available()) {
+ y += text->cursor.iy() + theLockingInset()->insetInInsetY();
+ if (screen().fitManualCursor(this, text, x, y, asc, desc)) {
+ updateScrollbar();
+ return true;
+ }
}
+ return false;
}
-void BufferView::insetUnlock()
-{
- if (the_locking_inset) {
- if (!inset_slept) the_locking_inset->InsetUnlock(this);
- the_locking_inset = 0;
- text->FinishUndo();
- inset_slept = false;
+int BufferView::unlockInset(UpdatableInset * inset)
+{
+ if (!inset)
+ return 0;
+ if (inset && theLockingInset() == inset) {
+ inset->insetUnlock(this);
+ theLockingInset(0);
+ // make sure we update the combo !
+ owner()->setLayout(getLyXText()->cursor.par()->layout()->name());
+ // Tell the paragraph dialog that we changed paragraph
+ owner()->getDialogs().updateParagraph();
+ finishUndo();
+ return 0;
+ } else if (inset && theLockingInset() &&
+ theLockingInset()->unlockInsetInInset(this, inset)) {
+ // Tell the paragraph dialog that we changed paragraph
+ owner()->getDialogs().updateParagraph();
+ // owner inset has updated the layout combo
+ finishUndo();
+ return 0;
}
+ return bufferlist.unlockInset(inset);
}
-bool BufferView::focus() const
+void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
{
- return pimpl_->workarea->hasFocus();
+ if (!theLockingInset())
+ return; // shouldn't happen
+ if (kind == Undo::EDIT) // in this case insets would not be stored!
+ kind = Undo::FINISH;
+ setUndo(this, kind,
+ text->cursor.par(),
+ text->cursor.par()->next());
}
-void BufferView::focus(bool f)
+void BufferView::updateInset(Inset * inset, bool mark_dirty)
{
- if (f) pimpl_->workarea->setFocus();
+ pimpl_->updateInset(inset, mark_dirty);
}
-bool BufferView::active() const
+bool BufferView::ChangeInsets(Inset::Code code,
+ string const & from, string const & to)
{
- return pimpl_->workarea->active();
+ bool need_update = false;
+ LyXCursor cursor = text->cursor;
+ LyXCursor tmpcursor = cursor;
+ cursor.par(tmpcursor.par());
+ cursor.pos(tmpcursor.pos());
+
+ ParIterator end = buffer()->par_iterator_end();
+ for (ParIterator it = buffer()->par_iterator_begin();
+ it != end; ++it) {
+ Paragraph * par = *it;
+ bool changed_inset = false;
+ for (InsetList::iterator it2 = par->insetlist.begin();
+ it2 != par->insetlist.end(); ++it2) {
+ if (it2.getInset()->lyxCode() == code) {
+ InsetCommand * inset = static_cast<InsetCommand *>(it2.getInset());
+ if (inset->getContents() == from) {
+ inset->setContents(to);
+ changed_inset = true;
+ }
+ }
+ }
+ if (changed_inset) {
+ need_update = true;
+
+ // FIXME
+
+ // The test it.size()==1 was needed to prevent crashes.
+ // How to set the cursor corretly when it.size()>1 ??
+ if (it.size() == 1) {
+ text->setCursorIntern(this, par, 0);
+ text->redoParagraphs(this, text->cursor,
+ text->cursor.par()->next());
+ text->fullRebreak(this);
+ }
+ }
+ }
+ text->setCursorIntern(this, cursor.par(), cursor.pos());
+ return need_update;
}
-Painter & BufferView::getPainter() const
+bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
{
- return pimpl_->workarea->getPainter();
+ // Check if the label 'from' appears more than once
+ vector<string> labels = buffer()->getLabelList();
+
+ if (lyx::count(labels.begin(), labels.end(), from) > 1)
+ return false;
+
+ return ChangeInsets(Inset::REF_CODE, from, to);
}
-unsigned short BufferView::paperWidth() const
+bool BufferView::ChangeCitationsIfUnique(string const & from,
+ string const & to)
{
- return text->paperWidth();
+ typedef pair<string, string> StringPair;
+
+ vector<StringPair> keys = buffer()->getBibkeyList();
+ if (count_if(keys.begin(), keys.end(),
+ lyx::equal_1st_in_pair<StringPair>(from))
+ > 1)
+ return false;
+
+ return ChangeInsets(Inset::CITE_CODE, from, to);
}
-bool BufferView::belowMouse() const
+UpdatableInset * BufferView::theLockingInset() const
{
- return pimpl_->workarea->belowMouse();
+ // If NULL is not allowed we should put an Assert here. (Lgb)
+ if (text)
+ return text->the_locking_inset;
+ return 0;
}
-void BufferView::showCursor()
+void BufferView::theLockingInset(UpdatableInset * inset)
{
- if (pimpl_->screen)
- pimpl_->screen->ShowCursor();
+ text->the_locking_inset = inset;
}
-void BufferView::hideCursor()
+LyXText * BufferView::getLyXText() const
{
- if (pimpl_->screen)
- pimpl_->screen->HideCursor();
+ if (theLockingInset()) {
+ LyXText * txt = theLockingInset()->getLyXText(this, true);
+ if (txt)
+ return txt;
+ }
+ return text;
}
-void BufferView::toggleSelection(bool b)
+LyXText * BufferView::getParentText(Inset * inset) const
+{
+ if (inset->owner()) {
+ LyXText * txt = inset->getLyXText(this);
+ inset = inset->owner();
+ while (inset && inset->getLyXText(this) == txt)
+ inset = inset->owner();
+ if (inset)
+ return inset->getLyXText(this);
+ }
+ return text;
+}
+
+
+Language const * BufferView::getParentLanguage(Inset * inset) const
{
- if (pimpl_->screen)
- pimpl_->screen->ToggleSelection(b);
+ LyXText * text = getParentText(inset);
+ return text->cursor.par()->getFontSettings(buffer()->params,
+ text->cursor.pos()).language();
}
-void BufferView::toggleToggle()
+Encoding const * BufferView::getEncoding() const
+{
+ LyXText * t = getLyXText();
+ if (!t)
+ return 0;
+
+ LyXCursor const & c= t->cursor;
+ LyXFont const font = c.par()->getFont(buffer()->params, c.pos());
+ return font.language()->encoding();
+}
+
+
+void BufferView::haveSelection(bool sel)
{
- if (pimpl_->screen)
- pimpl_->screen->ToggleToggle();
+ pimpl_->workarea().haveSelection(sel);
}
-void BufferView::center()
+int BufferView::workHeight() const
{
- beforeChange();
- if (text->cursor.y > pimpl_->workarea->height() / 2) {
- pimpl_->screen->Draw(text->cursor.y - pimpl_->workarea->height() / 2);
- } else {
- pimpl_->screen->Draw(0);
- }
- update(0);
- redraw();
+ return pimpl_->workarea().workHeight();
}