10 #include "BufferView_pimpl.h"
12 #include "lyxscreen.h"
16 #include "commandtags.h"
18 #include "minibuffer.h"
20 #include "bufferview_funcs.h"
21 #include "TextCache.h"
22 #include "bufferlist.h"
23 #include "insets/insetbib.h"
24 #include "lyx_gui_misc.h"
27 #include "support/LAssert.h"
28 #include "frontends/Dialogs.h"
30 #ifdef SIGC_CXX_NAMESPACES
39 /* the selection possible is needed, that only motion events are
40 * used, where the bottom press event was on the drawing area too */
41 bool selection_possible = false;
43 extern BufferList bufferlist;
44 extern char ascii_type;
46 extern "C" void TimerCB(FL_OBJECT *, long);
47 extern void sigchldhandler(pid_t pid, int * status);
48 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
54 XSync(fl_get_display(), 0);
59 void SetXtermCursor(Window win)
62 static bool cursor_undefined = true;
63 if (cursor_undefined){
64 cursor = XCreateFontCursor(fl_display, XC_xterm);
66 cursor_undefined = false;
68 XDefineCursor(fl_display, win, cursor);
73 BufferView::Pimpl::Pimpl(BufferView * b, LyXView * o,
74 int xpos, int ypos, int width, int height)
75 : bv_(b), owner_(o), cursor_timeout(400)
78 workarea_ = new WorkArea(bv_, xpos, ypos, width, height);
80 workarea_->workAreaExpose
81 .connect(slot(this, &BufferView::Pimpl::workAreaExpose));
82 workarea_->workAreaEnter
83 .connect(slot(this, &BufferView::Pimpl::enterView));
84 workarea_->workAreaLeave
85 .connect(slot(this, &BufferView::Pimpl::leaveView));
86 workarea_->workAreaButtonPress
87 .connect(slot(this, &BufferView::Pimpl::workAreaButtonPress));
88 workarea_->workAreaButtonRelease
90 &BufferView::Pimpl::workAreaButtonRelease));
91 workarea_->workAreaMotionNotify
92 .connect(slot(this, &BufferView::Pimpl::workAreaMotionNotify));
93 workarea_->workAreaDoubleClick
94 .connect(slot(this, &BufferView::Pimpl::doubleClick));
95 workarea_->workAreaTripleClick
96 .connect(slot(this, &BufferView::Pimpl::tripleClick));
97 workarea_->workAreaKeyPress
98 .connect(slot(this, &BufferView::Pimpl::workAreaKeyPress));
102 cursor_timeout.timeout.connect(slot(this,
103 &BufferView::Pimpl::cursorToggle));
104 current_scrollbar_value = 0;
105 cursor_timeout.start();
106 workarea_->setFocus();
107 using_xterm_cursor = false;
111 Painter & BufferView::Pimpl::painter()
113 return workarea_->getPainter();
117 void BufferView::Pimpl::buffer(Buffer * b)
119 lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
123 buffer_->delUser(bv_);
125 // Put the old text into the TextCache, but
126 // only if the buffer is still loaded.
127 // Also set the owner of the test to 0
128 // bv_->text->owner(0);
129 textcache.add(buffer_, workarea_->workWidth(), bv_->text);
130 if (lyxerr.debugging())
131 textcache.show(lyxerr, "BufferView::buffer");
136 // Set current buffer
139 if (bufferlist.getState() == BufferList::CLOSING) return;
142 // screen is always deleted when the buffer is changed.
146 // If we are closing the buffer, use the first buffer as current
148 buffer_ = bufferlist.first();
152 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
153 buffer_->addUser(bv_);
154 // If we don't have a text object for this, we make one
155 if (bv_->text == 0) {
156 resizeCurrentBuffer();
161 bv_->text->first = screen_->TopCursorVisible(bv_->text);
162 owner_->updateMenubar();
163 owner_->updateToolbar();
164 // Similarly, buffer-dependent dialogs should be updated or
165 // hidden. This should go here because some dialogs (eg ToC)
166 // require bv_->text.
167 owner_->getDialogs()->updateBufferDependent();
171 lyxerr[Debug::INFO] << " No Buffer!" << endl;
172 owner_->updateMenubar();
173 owner_->updateToolbar();
174 owner_->getDialogs()->hideBufferDependent();
178 // Also remove all remaining text's from the testcache.
179 // (there should not be any!) (if there is any it is a
181 if (lyxerr.debugging())
182 textcache.show(lyxerr, "buffer delete all");
185 // should update layoutchoice even if we don't have a buffer.
186 owner_->updateLayoutChoice();
187 owner_->getMiniBuffer()->Init();
188 owner_->updateWindowTitle();
192 void BufferView::Pimpl::resize(int xpos, int ypos, int width, int height)
194 workarea_->resize(xpos, ypos, width, height);
200 void BufferView::Pimpl::resize()
202 // This will resize the buffer. (Asger)
204 resizeCurrentBuffer();
208 void BufferView::Pimpl::redraw()
210 lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
215 bool BufferView::Pimpl::fitCursor(LyXText * text)
217 Assert(screen_); // it is a programming error to call fitCursor
218 // without a valid screen.
219 bool ret = screen_->FitCursor(text);
226 void BufferView::Pimpl::redoCurrentBuffer()
228 lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
229 if (buffer_ && bv_->text) {
231 owner_->updateLayoutChoice();
236 int BufferView::Pimpl::resizeCurrentBuffer()
238 lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
240 LyXParagraph * par = 0;
241 LyXParagraph * selstartpar = 0;
242 LyXParagraph * selendpar = 0;
251 owner_->getMiniBuffer()->Set(_("Formatting document..."));
254 par = bv_->text->cursor.par();
255 pos = bv_->text->cursor.pos();
256 selstartpar = bv_->text->sel_start_cursor.par();
257 selstartpos = bv_->text->sel_start_cursor.pos();
258 selendpar = bv_->text->sel_end_cursor.par();
259 selendpos = bv_->text->sel_end_cursor.pos();
260 selection = bv_->text->selection;
261 mark_set = bv_->text->mark_set;
263 bv_->text = new LyXText(bv_);
265 // See if we have a text in TextCache that fits
266 // the new buffer_ with the correct width.
267 bv_->text = textcache.findFit(buffer_, workarea_->workWidth());
269 if (lyxerr.debugging()) {
270 lyxerr << "Found a LyXText that fits:\n";
271 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea_->workWidth(), bv_->text)));
273 // Set the owner of the newly found text
274 // bv_->text->owner(bv_);
275 if (lyxerr.debugging())
276 textcache.show(lyxerr, "resizeCurrentBuffer");
278 bv_->text = new LyXText(bv_);
284 bv_->text->selection = true;
285 /* at this point just to avoid the Delete-Empty-Paragraph
286 * Mechanism when setting the cursor */
287 bv_->text->mark_set = mark_set;
289 bv_->text->SetCursor(bv_, selstartpar, selstartpos);
290 bv_->text->sel_cursor = bv_->text->cursor;
291 bv_->text->SetCursor(bv_, selendpar, selendpos);
292 bv_->text->SetSelection();
293 bv_->text->SetCursor(bv_, par, pos);
295 bv_->text->SetCursor(bv_, par, pos);
296 bv_->text->sel_cursor = bv_->text->cursor;
297 bv_->text->selection = false;
300 bv_->text->first = screen_->TopCursorVisible(bv_->text);
301 buffer_->resizeInsets(bv_);
302 // this will scroll the screen such that the cursor becomes visible
305 owner_->getMiniBuffer()->Init();
309 // Now if the title form still exist kill it
316 void BufferView::Pimpl::gotoError()
321 screen_->HideCursor();
323 update(BufferView::SELECT|BufferView::FITCUR);
326 if (!bv_->text->GotoNextError(bv_)) {
327 if (bv_->text->cursor.pos()
328 || bv_->text->cursor.par() != bv_->text->FirstParagraph()) {
329 tmp = bv_->text->cursor;
330 bv_->text->cursor.par(bv_->text->FirstParagraph());
331 bv_->text->cursor.pos(0);
332 if (!bv_->text->GotoNextError(bv_)) {
333 bv_->text->cursor = tmp;
334 owner_->getMiniBuffer()
335 ->Set(_("No more errors"));
339 owner_->getMiniBuffer()->Set(_("No more errors"));
343 update(BufferView::SELECT|BufferView::FITCUR);
344 bv_->text->sel_cursor = bv_->text->cursor;
348 void BufferView::Pimpl::updateScreen()
350 // Regenerate the screen.
352 screen_ = new LyXScreen(*workarea_);
356 void BufferView::Pimpl::updateScrollbar()
358 /* If the text is smaller than the working area, the scrollbar
359 * maximum must be the working area height. No scrolling will
363 workarea_->setScrollbar(0, 1.0);
367 static unsigned long max2 = 0;
368 static unsigned long height2 = 0;
370 unsigned long cbth = 0;
374 cbth = bv_->text->height;
375 cbsf = bv_->text->first;
378 // check if anything has changed.
380 height2 == workarea_->height() &&
381 current_scrollbar_value == cbsf)
384 height2 = workarea_->height();
385 current_scrollbar_value = cbsf;
387 if (cbth <= height2) { // text is smaller than screen
388 workarea_->setScrollbar(0, 1.0); // right?
392 long maximum_height = workarea_->height() * 3 / 4 + cbth;
396 double hfloat = workarea_->height();
397 double maxfloat = maximum_height;
399 float slider_size = 0.0;
400 int slider_value = value;
402 workarea_->setScrollbarBounds(0, bv_->text->height - workarea_->height());
403 double lineh = bv_->text->DefaultHeight();
404 workarea_->setScrollbarIncrements(lineh);
405 if (maxfloat > 0.0) {
406 if ((hfloat / maxfloat) * float(height2) < 3)
407 slider_size = 3.0/float(height2);
409 slider_size = hfloat / maxfloat;
411 slider_size = hfloat;
413 workarea_->setScrollbar(slider_value, slider_size / workarea_->height());
417 // Callback for scrollbar slider
418 void BufferView::Pimpl::scrollCB(double value)
420 extern bool cursor_follows_scrollbar;
422 if (buffer_ == 0) return;
424 current_scrollbar_value = long(value);
425 if (current_scrollbar_value < 0)
426 current_scrollbar_value = 0;
431 screen_->Draw(bv_->text, current_scrollbar_value);
433 if (cursor_follows_scrollbar) {
434 LyXText * vbt = bv_->text;
435 int height = vbt->DefaultHeight();
437 if (vbt->cursor.y() < (int)(bv_->text->first + height)) {
438 vbt->SetCursorFromCoordinates(bv_, 0,
441 } else if (vbt->cursor.y() >
442 (int)(bv_->text->first+workarea_->height()-height))
444 vbt->SetCursorFromCoordinates(bv_, 0,
446 workarea_->height() -
454 int BufferView::Pimpl::scrollUp(long time)
456 if (buffer_ == 0) return 0;
457 if (!screen_) return 0;
459 double value = workarea_->getScrollbarValue();
461 if (value == 0) return 0;
463 float add_value = (bv_->text->DefaultHeight()
464 + float(time) * float(time) * 0.125);
466 if (add_value > workarea_->height())
467 add_value = float(workarea_->height() -
468 bv_->text->DefaultHeight());
475 workarea_->setScrollbarValue(value);
477 bv_->scrollCB(value);
482 int BufferView::Pimpl::scrollDown(long time)
484 if (buffer_ == 0) return 0;
485 if (!screen_) return 0;
487 double value= workarea_->getScrollbarValue();
488 pair<float, float> p = workarea_->getScrollbarBounds();
489 double max = p.second;
491 if (value == max) return 0;
493 float add_value = (bv_->text->DefaultHeight()
494 + float(time) * float(time) * 0.125);
496 if (add_value > workarea_->height())
497 add_value = float(workarea_->height() -
498 bv_->text->DefaultHeight());
505 workarea_->setScrollbarValue(value);
507 bv_->scrollCB(value);
512 void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
514 bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
518 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
520 // Only use motion with button 1
521 if (!(state & Button1MotionMask))
524 if (buffer_ == 0 || !screen_) return;
526 // Check for inset locking
527 if (bv_->theLockingInset()) {
528 LyXCursor cursor = bv_->text->cursor;
529 bv_->theLockingInset()->
530 InsetMotionNotify(bv_,
532 bv_->theLockingInset()->scroll(),
533 y - cursor.y() + bv_->text->first,
538 /* The selection possible is needed, that only motion events are
539 * used, where the bottom press event was on the drawing area too */
540 if (selection_possible) {
541 screen_->HideCursor();
543 bv_->text->SetCursorFromCoordinates(bv_, x, y + bv_->text->first);
545 if (!bv_->text->selection)
546 update(BufferView::UPDATE); // Maybe an empty line was deleted
548 bv_->text->SetSelection();
549 screen_->ToggleToggle(bv_->text);
550 fitCursor(bv_->text);
551 screen_->ShowCursor(bv_->text);
557 // Single-click on work area
558 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
564 if (buffer_ == 0 || !screen_) return;
566 Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos, button);
568 // ok ok, this is a hack.
569 if (button == 4 || button == 5) {
572 scrollUp(lyxrc.wheel_jump); // default 100, set in lyxrc
575 scrollDown(lyxrc.wheel_jump);
580 if (bv_->theLockingInset()) {
581 // We are in inset locking mode
583 /* Check whether the inset was hit. If not reset mode,
584 otherwise give the event to the inset */
585 if (inset_hit == bv_->theLockingInset()) {
586 bv_->theLockingInset()->
587 InsetButtonPress(bv_,
592 bv_->unlockInset(bv_->theLockingInset());
597 selection_possible = true;
598 screen_->HideCursor();
600 int const screen_first = bv_->text->first;
602 // Middle button press pastes if we have a selection
603 bool paste_internally = false;
605 && bv_->text->selection) {
606 owner_->getLyXFunc()->Dispatch(LFUN_COPY);
607 paste_internally = true;
610 // Clear the selection
611 screen_->ToggleSelection(bv_->text);
612 bv_->text->ClearSelection();
613 bv_->text->FullRebreak(bv_);
614 screen_->Update(bv_->text);
617 // Single left click in math inset?
618 if ((inset_hit != 0) &&
619 (inset_hit->Editable()==Inset::HIGHLY_EDITABLE)) {
620 // Highly editable inset, like math
621 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
622 selection_possible = false;
623 owner_->updateLayoutChoice();
624 owner_->getMiniBuffer()->Set(inset->EditMessage());
625 inset->InsetButtonPress(bv_, xpos, ypos, button);
626 inset->Edit(bv_, xpos, ypos, button);
630 // Right click on a footnote flag opens float menu
632 selection_possible = false;
636 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
637 bv_->text->SetCursorFromCoordinates(bv_, xpos, ypos + screen_first);
638 bv_->text->FinishUndo();
639 bv_->text->sel_cursor = bv_->text->cursor;
640 bv_->text->cursor.x_fix(bv_->text->cursor.x());
642 owner_->updateLayoutChoice();
643 if (fitCursor(bv_->text)) {
644 selection_possible = false;
647 // Insert primary selection with middle mouse
648 // if there is a local selection in the current buffer,
651 if (paste_internally)
652 owner_->getLyXFunc()->Dispatch(LFUN_PASTE);
654 owner_->getLyXFunc()->Dispatch(LFUN_PASTESELECTION,
656 selection_possible = false;
662 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button)
665 if (buffer_ && !bv_->theLockingInset()) {
666 if (screen_ && button == 1) {
667 screen_->HideCursor();
668 screen_->ToggleSelection(bv_->text);
669 bv_->text->SelectWord(bv_);
670 screen_->ToggleSelection(bv_->text, false);
671 /* This will fit the cursor on the screen
673 update(BufferView::SELECT|BufferView::FITCUR);
679 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
682 if (buffer_ && screen_ && !bv_->theLockingInset() && (button == 1)) {
683 screen_->HideCursor();
684 screen_->ToggleSelection(bv_->text);
685 bv_->text->CursorHome(bv_);
686 bv_->text->sel_cursor = bv_->text->cursor;
687 bv_->text->CursorEnd(bv_);
688 bv_->text->SetSelection();
689 screen_->ToggleSelection(bv_->text, false);
690 /* This will fit the cursor on the screen
692 update(BufferView::SELECT|BufferView::FITCUR);
697 void BufferView::Pimpl::enterView()
699 if (active() && available()) {
700 SetXtermCursor(workarea_->getWin());
701 using_xterm_cursor = true;
706 void BufferView::Pimpl::leaveView()
708 if (using_xterm_cursor) {
709 XUndefineCursor(fl_display, workarea_->getWin());
710 using_xterm_cursor = false;
715 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
718 if (buffer_ == 0 || screen_ == 0) return;
720 // If we hit an inset, we have the inset coordinates in these
721 // and inset_hit points to the inset. If we do not hit an
722 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
723 Inset * inset_hit = checkInsetHit(bv_->text, x, y, button);
725 if (bv_->theLockingInset()) {
726 // We are in inset locking mode.
728 /* LyX does a kind of work-area grabbing for insets.
729 Only a ButtonPress Event outside the inset will
730 force a InsetUnlock. */
731 bv_->theLockingInset()->
732 InsetButtonRelease(bv_, x, y, button);
736 selection_possible = false;
738 if (button >= 2) return;
743 // Did we hit an editable inset?
744 if (inset_hit != 0) {
745 // Inset like error, notes and figures
746 selection_possible = false;
748 // CHECK fix this proper in 0.13
750 // Following a ref shouldn't issue
751 // a push on the undo-stack
752 // anylonger, now that we have
753 // keybindings for following
754 // references and returning from
755 // references. IMHO though, it
756 // should be the inset's own business
757 // to push or not push on the undo
758 // stack. They don't *have* to
759 // alter the document...
761 // ...or maybe the SetCursorParUndo()
762 // below isn't necessary at all anylonger?
763 if (inset_hit->LyxCode() == Inset::REF_CODE) {
764 bv_->text->SetCursorParUndo(bv_->buffer());
767 owner_->getMiniBuffer()->Set(inset_hit->EditMessage());
768 if (inset_hit->Editable()==Inset::HIGHLY_EDITABLE) {
769 // Highly editable inset, like math
770 UpdatableInset *inset = (UpdatableInset *)inset_hit;
771 inset->InsetButtonRelease(bv_, x, y, button);
773 inset_hit->InsetButtonRelease(bv_, x, y, button);
774 inset_hit->Edit(bv_, x, y, button);
779 // check whether we want to open a float
783 if (bv_->text->cursor.pos() <
784 bv_->text->cursor.par()->Last()) {
785 c = bv_->text->cursor.par()->
786 GetChar(bv_->text->cursor.pos());
789 if (c == LyXParagraph::META_FOOTNOTE
790 || c == LyXParagraph::META_MARGIN
791 || c == LyXParagraph::META_FIG
792 || c == LyXParagraph::META_TAB
793 || c == LyXParagraph::META_WIDE_FIG
794 || c == LyXParagraph::META_WIDE_TAB
795 || c == LyXParagraph::META_ALGORITHM){
799 if (bv_->text->cursor.pos() - 1 >= 0) {
800 c = bv_->text->cursor.par()->
801 GetChar(bv_->text->cursor.pos() - 1);
803 if (c == LyXParagraph::META_FOOTNOTE
804 || c == LyXParagraph::META_MARGIN
805 || c == LyXParagraph::META_FIG
806 || c == LyXParagraph::META_TAB
807 || c == LyXParagraph::META_WIDE_FIG
808 || c == LyXParagraph::META_WIDE_TAB
809 || c == LyXParagraph::META_ALGORITHM){
810 // We are one step too far to the right
811 bv_->text->CursorLeft(bv_);
820 selection_possible = false;
826 // Do we want to close a float? (click on the float-label)
827 if (bv_->text->cursor.row()->par()->footnoteflag ==
828 LyXParagraph::OPEN_FOOTNOTE
829 && bv_->text->cursor.row()->previous() &&
830 bv_->text->cursor.row()->previous()->par()->
831 footnoteflag != LyXParagraph::OPEN_FOOTNOTE){
832 LyXFont font(LyXFont::ALL_SANE);
833 font.setSize(LyXFont::SIZE_FOOTNOTE);
835 int box_x = 20; // LYX_PAPER_MARGIN;
836 box_x += lyxfont::width(" wide-tab ", font);
838 unsigned int screen_first = bv_->text->first;
841 && y + screen_first > bv_->text->cursor.y() -
842 bv_->text->cursor.row()->baseline()
843 && y + screen_first < bv_->text->cursor.y() -
844 bv_->text->cursor.row()->baseline()
845 + lyxfont::maxAscent(font) * 1.2 + lyxfont::maxDescent(font) * 1.2) {
847 selection_possible = false;
853 // Maybe we want to edit a bibitem ale970302
854 if (bv_->text->cursor.par()->bibkey && x < 20 +
855 bibitemMaxWidth(bv_, textclasslist.
857 params.textclass).defaultfont())) {
858 bv_->text->cursor.par()->bibkey->Edit(bv_, 0, 0, 0);
866 * Returns an inset if inset was hit. 0 otherwise.
867 * If hit, the coordinates are changed relative to the inset.
868 * Otherwise coordinates are not changed, and false is returned.
870 Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y,
871 unsigned int /* button */)
876 int y_tmp = y + text->first;
879 text->SetCursorFromCoordinates(bv_, cursor, x, y_tmp);
881 if (cursor.pos() < cursor.par()->Last()
882 && cursor.par()->GetChar(cursor.pos()) == LyXParagraph::META_INSET
883 && cursor.par()->GetInset(cursor.pos())
884 && cursor.par()->GetInset(cursor.pos())->Editable()) {
886 // Check whether the inset really was hit
887 Inset * tmpinset = cursor.par()->GetInset(cursor.pos());
888 LyXFont font = text->GetFont(bv_->buffer(),
889 cursor.par(), cursor.pos());
890 bool is_rtl = font.isVisibleRightToLeft();
895 start_x = cursor.x() - tmpinset->width(bv_, font) + tmpinset->scroll();
896 end_x = cursor.x() + tmpinset->scroll();
898 start_x = cursor.x() + tmpinset->scroll();
899 end_x = cursor.x() + tmpinset->width(bv_, font) + tmpinset->scroll();
902 if (x > start_x && x < end_x
903 && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
904 && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
905 text->SetCursor(bv_, cursor.par(),cursor.pos(),true);
907 // The origin of an inset is on the baseline
908 y = y_tmp - (text->cursor.y());
913 if ((cursor.pos() - 1 >= 0) &&
914 (cursor.par()->GetChar(cursor.pos()-1) == LyXParagraph::META_INSET) &&
915 (cursor.par()->GetInset(cursor.pos() - 1)) &&
916 (cursor.par()->GetInset(cursor.pos() - 1)->Editable())) {
917 Inset * tmpinset = cursor.par()->GetInset(cursor.pos()-1);
918 LyXFont font = text->GetFont(bv_->buffer(), cursor.par(),
920 bool is_rtl = font.isVisibleRightToLeft();
925 start_x = cursor.x() - tmpinset->width(bv_, font) +
927 end_x = cursor.x() + tmpinset->scroll();
929 start_x = cursor.x() + tmpinset->scroll();
930 end_x = cursor.x() + tmpinset->width(bv_, font) +
933 if (x > start_x && x < end_x
934 && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
935 && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
937 if (move_cursor && (tmpinset != bv_->theLockingInset()))
939 text->SetCursor(bv_, cursor.par(),cursor.pos()-1,true);
941 // The origin of an inset is on the baseline
942 y = y_tmp - (text->cursor.y());
950 void BufferView::Pimpl::workAreaExpose()
952 // this is a hack to ensure that we only call this through
953 // BufferView::redraw().
958 static int work_area_width = 0;
959 static unsigned int work_area_height = 0;
961 bool widthChange = workarea_->workWidth() != work_area_width;
962 bool heightChange = workarea_->height() != work_area_height;
964 // update from work area
965 work_area_width = workarea_->workWidth();
966 work_area_height = workarea_->height();
969 // All buffers need a resize
972 // Remove all texts from the textcache
973 // This is not _really_ what we want to do. What
974 // we really want to do is to delete in textcache
975 // that does not have a BufferView with matching
976 // width, but as long as we have only one BufferView
977 // deleting all gives the same result.
978 if (lyxerr.debugging())
979 textcache.show(lyxerr, "Expose delete all");
981 } else if (heightChange) {
982 // Rebuild image of current screen
984 // fitCursor() ensures we don't jump back
985 // to the start of the document on vertical
987 fitCursor(bv_->text);
989 // The main window size has changed, repaint most stuff
991 // ...including the minibuffer
992 owner_->getMiniBuffer()->Init();
994 } else if (screen_) screen_->Redraw(bv_->text);
996 // Grey box when we don't have a buffer
997 workarea_->greyOut();
1000 // always make sure that the scrollbar is sane.
1002 owner_->updateLayoutChoice();
1007 void BufferView::Pimpl::update()
1009 if (screen_) screen_->Update(bv_->text);
1012 // Values used when calling update:
1014 // -2 - update, move sel_cursor if selection, fitcursor
1015 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
1016 // 0 - update, move sel_cursor if selection, fitcursor
1017 // 1 - update, move sel_cursor if selection, fitcursor, mark dirty
1018 // 3 - update, move sel_cursor if selection
1021 // a simple redraw of the parts that need refresh
1023 // move sel_cursor if selection -
1024 // the text's sel_cursor is moved if there is selection is progress
1027 // fitCursor() is called and the scrollbar updated
1030 // the buffer is marked dirty.
1039 // UPDATE_ONLY = UPDATE;
1040 // UPDATE_SELECT = UPDATE | SELECT;
1041 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
1042 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
1044 // update(-3) -> update(0) -> update(0) -> update(UPDATE)
1045 // update(-2) -> update(1 + 2) -> update(3) -> update(SELECT|FITCUR)
1046 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1047 // update(1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1048 // update(3) -> update(1) -> update(1) -> update(SELECT)
1050 void BufferView::Pimpl::update(BufferView::UpdateCodes f)
1052 owner_->updateLayoutChoice();
1054 if (!bv_->text->selection && (f & SELECT)) {
1055 bv_->text->sel_cursor = bv_->text->cursor;
1058 bv_->text->FullRebreak(bv_);
1063 fitCursor(bv_->text);
1067 if (buffer_->isLyxClean()) {
1068 buffer_->markDirty();
1069 owner_->getMiniBuffer()->setTimer(4);
1071 buffer_->markDirty();
1077 // Callback for cursor timer
1078 void BufferView::Pimpl::cursorToggle()
1080 // Quite a nice place for asyncron Inset updating, isn't it?
1081 // Actually no! This is run even if no buffer exist... so (Lgb)
1083 goto set_timer_and_return;
1087 // On my quest to solve the gs render hangups I am now
1088 // disabling the SIGHUP completely, and will do a wait
1089 // now and then instead. If the guess that xforms somehow
1090 // destroys something is true, this is likely (hopefully)
1091 // to solve the problem...at least I hope so. Lgb
1093 // ...Ok this seems to work...at least it does not make things
1094 // worse so far. However I still see gs processes that hangs.
1095 // I would really like to know _why_ they are hanging. Anyway
1096 // the solution without the SIGCHLD handler seems to be easier
1099 // When attaching gdb to a a running gs that hangs it shows
1100 // that it is waiting for input(?) Is it possible for us to
1101 // provide that input somehow? Or figure what it is expecing
1104 // One solution is to, after some time, look if there are some
1105 // old gs processes still running and if there are: kill them
1108 // Another solution is to provide the user an option to rerender
1109 // a picture. This would, for the picture in question, check if
1110 // there is a gs running for it, if so kill it, and start a new
1111 // rendering process.
1113 // these comments posted to lyx@via
1116 int pid = waitpid(static_cast<pid_t>(0), &status, WNOHANG);
1117 if (pid == -1) // error find out what is wrong
1118 ; // ignore it for now.
1120 sigchldhandler(pid, &status);
1123 updatelist.update(bv_);
1126 goto set_timer_and_return;
1129 if (!bv_->theLockingInset()) {
1130 screen_->CursorToggle(bv_->text);
1132 bv_->theLockingInset()->ToggleInsetCursor(bv_);
1135 set_timer_and_return:
1136 cursor_timeout.restart();
1141 void BufferView::Pimpl::cursorPrevious(LyXText * text)
1143 if (!text->cursor.row()->previous())
1146 int y = text->first;
1147 if (text->inset_owner)
1148 y += bv_->text->first;
1149 Row * cursorrow = text->cursor.row();
1150 text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
1151 bv_->text->FinishUndo();
1152 // This is to allow jumping over large insets
1153 if ((cursorrow == text->cursor.row()))
1154 text->CursorUp(bv_);
1156 if (text->inset_owner ||
1157 text->cursor.row()->height() < workarea_->height())
1158 screen_->Draw(bv_->text,
1160 - text->cursor.row()->baseline()
1161 + text->cursor.row()->height()
1162 - workarea_->height() + 1 );
1167 void BufferView::Pimpl::cursorNext(LyXText * text)
1169 if (!text->cursor.row()->next())
1172 int y = text->first;
1173 // if (text->inset_owner)
1174 // y += bv_->text->first;
1175 text->GetRowNearY(y);
1176 Row * cursorrow = text->cursor.row();
1177 text->SetCursorFromCoordinates(bv_, text->cursor.x_fix(), y
1178 + workarea_->height());
1179 bv_->text->FinishUndo();
1180 // This is to allow jumping over large insets
1181 if ((cursorrow == bv_->text->cursor.row()))
1182 text->CursorDown(bv_);
1184 if (text->inset_owner ||
1185 text->cursor.row()->height() < workarea_->height())
1186 screen_->Draw(bv_->text, text->cursor.y() -
1187 text->cursor.row()->baseline());
1192 bool BufferView::Pimpl::available() const
1194 if (buffer_ && bv_->text) return true;
1199 void BufferView::Pimpl::beforeChange()
1202 bv_->text->ClearSelection();
1205 //owner_->update_timeout.stop();
1209 void BufferView::Pimpl::savePosition()
1211 backstack.push(buffer_->fileName(),
1212 bv_->text->cursor.x(),
1213 bv_->text->cursor.y());
1217 void BufferView::Pimpl::restorePosition()
1219 if (backstack.empty()) return;
1222 string fname = backstack.pop(&x, &y);
1226 if( fname != buffer_->fileName() ) {
1227 Buffer * b = bufferlist.exists(fname) ?
1228 bufferlist.getBuffer(fname) :
1229 bufferlist.loadLyXFile(fname); // don't ask, just load it
1230 if( b != 0 ) buffer(b);
1233 bv_->text->SetCursorFromCoordinates(bv_, x, y);
1234 update(BufferView::SELECT|BufferView::FITCUR);
1238 bool BufferView::Pimpl::NoSavedPositions()
1240 return backstack.empty();
1244 void BufferView::Pimpl::setState()
1246 if (!lyxrc.rtl_support)
1249 if (bv_->text->real_current_font.isRightToLeft() &&
1250 bv_->text->real_current_font.latex() != LyXFont::ON) {
1251 if (owner_->getIntl()->primarykeymap)
1252 owner_->getIntl()->KeyMapSec();
1254 if (!owner_->getIntl()->primarykeymap)
1255 owner_->getIntl()->KeyMapPrim();
1260 void BufferView::Pimpl::insetSleep()
1262 if (bv_->theLockingInset() && !bv_->inset_slept) {
1263 bv_->theLockingInset()->GetCursorPos(bv_, bv_->slx, bv_->sly);
1264 bv_->theLockingInset()->InsetUnlock(bv_);
1265 bv_->inset_slept = true;
1270 void BufferView::Pimpl::insetWakeup()
1272 if (bv_->theLockingInset() && bv_->inset_slept) {
1273 bv_->theLockingInset()->Edit(bv_, bv_->slx, bv_->sly, 0);
1274 bv_->inset_slept = false;
1279 void BufferView::Pimpl::insetUnlock()
1281 if (bv_->theLockingInset()) {
1282 if (!bv_->inset_slept)
1283 bv_->theLockingInset()->InsetUnlock(bv_);
1284 bv_->theLockingInset(0);
1285 bv_->text->FinishUndo();
1286 bv_->inset_slept = false;
1291 bool BufferView::Pimpl::focus() const
1293 return workarea_->hasFocus();
1297 void BufferView::Pimpl::focus(bool f)
1299 if (f) workarea_->setFocus();
1303 bool BufferView::Pimpl::active() const
1305 return workarea_->active();
1309 bool BufferView::Pimpl::belowMouse() const
1311 return workarea_->belowMouse();
1315 void BufferView::Pimpl::showCursor()
1318 screen_->ShowCursor(bv_->text);
1322 void BufferView::Pimpl::hideCursor()
1325 screen_->HideCursor();
1329 void BufferView::Pimpl::toggleSelection(bool b)
1332 screen_->ToggleSelection(bv_->text, b);
1336 void BufferView::Pimpl::toggleToggle()
1339 screen_->ToggleToggle(bv_->text);
1343 void BufferView::Pimpl::center()
1346 if (bv_->text->cursor.y() > (int)(workarea_->height() / 2)) {
1347 screen_->Draw(bv_->text, bv_->text->cursor.y() - workarea_->height() / 2);
1349 screen_->Draw(bv_->text, 0);
1351 update(BufferView::SELECT|BufferView::FITCUR);
1356 void BufferView::Pimpl::pasteClipboard(bool asPara)
1358 if (buffer_ == 0) return;
1360 screen_->HideCursor();
1361 bv_->beforeChange();
1363 string clip(workarea_->getClipboard());
1365 if (clip.empty()) return;
1368 bv_->text->InsertStringB(bv_, clip);
1370 bv_->text->InsertStringA(bv_, clip);
1372 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1376 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1378 workarea_->putClipboard(stuff);