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();
167 lyxerr[Debug::INFO] << " No Buffer!" << endl;
168 owner_->updateMenubar();
169 owner_->updateToolbar();
173 // Also remove all remaining text's from the testcache.
174 // (there should not be any!) (if there is any it is a
176 if (lyxerr.debugging())
177 textcache.show(lyxerr, "buffer delete all");
180 // should update layoutchoice even if we don't have a buffer.
181 owner_->updateLayoutChoice();
182 owner_->getMiniBuffer()->Init();
183 owner_->updateWindowTitle();
184 // Similarly, buffer-dependent dialogs should be updated or hidden.
185 // This should go here because some dialogs (ToC) require bv_->text.
186 if (buffer_) owner_->getDialogs()->updateBufferDependent();
188 #warning Is this the right place for this?
189 // What was wrong with where it used to be in the previous if(buffer_) above?
190 // There also used to be a hideBufferDependent somewhere here but I haven't
191 // time at present to check. This should at least fix the segfault.
196 void BufferView::Pimpl::resize(int xpos, int ypos, int width, int height)
198 workarea_->resize(xpos, ypos, width, height);
204 void BufferView::Pimpl::resize()
206 // This will resize the buffer. (Asger)
208 resizeCurrentBuffer();
212 void BufferView::Pimpl::redraw()
214 lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
219 bool BufferView::Pimpl::fitCursor(LyXText * text)
221 Assert(screen_); // it is a programming error to call fitCursor
222 // without a valid screen.
223 bool ret = screen_->FitCursor(text);
230 void BufferView::Pimpl::redoCurrentBuffer()
232 lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
233 if (buffer_ && bv_->text) {
235 owner_->updateLayoutChoice();
240 int BufferView::Pimpl::resizeCurrentBuffer()
242 lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
244 LyXParagraph * par = 0;
245 LyXParagraph * selstartpar = 0;
246 LyXParagraph * selendpar = 0;
255 owner_->getMiniBuffer()->Set(_("Formatting document..."));
258 par = bv_->text->cursor.par();
259 pos = bv_->text->cursor.pos();
260 selstartpar = bv_->text->sel_start_cursor.par();
261 selstartpos = bv_->text->sel_start_cursor.pos();
262 selendpar = bv_->text->sel_end_cursor.par();
263 selendpos = bv_->text->sel_end_cursor.pos();
264 selection = bv_->text->selection;
265 mark_set = bv_->text->mark_set;
267 bv_->text = new LyXText(bv_);
269 // See if we have a text in TextCache that fits
270 // the new buffer_ with the correct width.
271 bv_->text = textcache.findFit(buffer_, workarea_->workWidth());
273 if (lyxerr.debugging()) {
274 lyxerr << "Found a LyXText that fits:\n";
275 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea_->workWidth(), bv_->text)));
277 // Set the owner of the newly found text
278 // bv_->text->owner(bv_);
279 if (lyxerr.debugging())
280 textcache.show(lyxerr, "resizeCurrentBuffer");
282 bv_->text = new LyXText(bv_);
288 bv_->text->selection = true;
289 /* at this point just to avoid the Delete-Empty-Paragraph
290 * Mechanism when setting the cursor */
291 bv_->text->mark_set = mark_set;
293 bv_->text->SetCursor(bv_, selstartpar, selstartpos);
294 bv_->text->sel_cursor = bv_->text->cursor;
295 bv_->text->SetCursor(bv_, selendpar, selendpos);
296 bv_->text->SetSelection();
297 bv_->text->SetCursor(bv_, par, pos);
299 bv_->text->SetCursor(bv_, par, pos);
300 bv_->text->sel_cursor = bv_->text->cursor;
301 bv_->text->selection = false;
304 bv_->text->first = screen_->TopCursorVisible(bv_->text);
305 buffer_->resizeInsets(bv_);
306 // this will scroll the screen such that the cursor becomes visible
309 owner_->getMiniBuffer()->Init();
313 // Now if the title form still exist kill it
320 void BufferView::Pimpl::gotoError()
325 screen_->HideCursor();
327 update(BufferView::SELECT|BufferView::FITCUR);
330 if (!bv_->text->GotoNextError(bv_)) {
331 if (bv_->text->cursor.pos()
332 || bv_->text->cursor.par() != bv_->text->FirstParagraph()) {
333 tmp = bv_->text->cursor;
334 bv_->text->cursor.par(bv_->text->FirstParagraph());
335 bv_->text->cursor.pos(0);
336 if (!bv_->text->GotoNextError(bv_)) {
337 bv_->text->cursor = tmp;
338 owner_->getMiniBuffer()
339 ->Set(_("No more errors"));
343 owner_->getMiniBuffer()->Set(_("No more errors"));
347 update(BufferView::SELECT|BufferView::FITCUR);
348 bv_->text->sel_cursor = bv_->text->cursor;
352 void BufferView::Pimpl::updateScreen()
354 // Regenerate the screen.
356 screen_ = new LyXScreen(*workarea_);
360 void BufferView::Pimpl::updateScrollbar()
362 /* If the text is smaller than the working area, the scrollbar
363 * maximum must be the working area height. No scrolling will
367 workarea_->setScrollbar(0, 1.0);
371 static unsigned long max2 = 0;
372 static unsigned long height2 = 0;
374 unsigned long cbth = 0;
378 cbth = bv_->text->height;
379 cbsf = bv_->text->first;
382 // check if anything has changed.
384 height2 == workarea_->height() &&
385 current_scrollbar_value == cbsf)
388 height2 = workarea_->height();
389 current_scrollbar_value = cbsf;
391 if (cbth <= height2) { // text is smaller than screen
392 workarea_->setScrollbar(0, 1.0); // right?
396 long maximum_height = workarea_->height() * 3 / 4 + cbth;
400 double hfloat = workarea_->height();
401 double maxfloat = maximum_height;
403 float slider_size = 0.0;
404 int slider_value = value;
406 workarea_->setScrollbarBounds(0, bv_->text->height - workarea_->height());
407 double lineh = bv_->text->DefaultHeight();
408 workarea_->setScrollbarIncrements(lineh);
409 if (maxfloat > 0.0) {
410 if ((hfloat / maxfloat) * float(height2) < 3)
411 slider_size = 3.0/float(height2);
413 slider_size = hfloat / maxfloat;
415 slider_size = hfloat;
417 workarea_->setScrollbar(slider_value, slider_size / workarea_->height());
421 // Callback for scrollbar slider
422 void BufferView::Pimpl::scrollCB(double value)
424 extern bool cursor_follows_scrollbar;
426 if (buffer_ == 0) return;
428 current_scrollbar_value = long(value);
429 if (current_scrollbar_value < 0)
430 current_scrollbar_value = 0;
435 screen_->Draw(bv_->text, current_scrollbar_value);
437 if (cursor_follows_scrollbar) {
438 LyXText * vbt = bv_->text;
439 int height = vbt->DefaultHeight();
441 if (vbt->cursor.y() < (int)(bv_->text->first + height)) {
442 vbt->SetCursorFromCoordinates(bv_, 0,
445 } else if (vbt->cursor.y() >
446 (int)(bv_->text->first+workarea_->height()-height))
448 vbt->SetCursorFromCoordinates(bv_, 0,
450 workarea_->height() -
458 int BufferView::Pimpl::scrollUp(long time)
460 if (buffer_ == 0) return 0;
461 if (!screen_) return 0;
463 double value = workarea_->getScrollbarValue();
465 if (value == 0) return 0;
467 float add_value = (bv_->text->DefaultHeight()
468 + float(time) * float(time) * 0.125);
470 if (add_value > workarea_->height())
471 add_value = float(workarea_->height() -
472 bv_->text->DefaultHeight());
479 workarea_->setScrollbarValue(value);
481 bv_->scrollCB(value);
486 int BufferView::Pimpl::scrollDown(long time)
488 if (buffer_ == 0) return 0;
489 if (!screen_) return 0;
491 double value= workarea_->getScrollbarValue();
492 pair<float, float> p = workarea_->getScrollbarBounds();
493 double max = p.second;
495 if (value == max) return 0;
497 float add_value = (bv_->text->DefaultHeight()
498 + float(time) * float(time) * 0.125);
500 if (add_value > workarea_->height())
501 add_value = float(workarea_->height() -
502 bv_->text->DefaultHeight());
509 workarea_->setScrollbarValue(value);
511 bv_->scrollCB(value);
516 void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
518 bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
522 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
524 // Only use motion with button 1
525 if (!(state & Button1MotionMask))
528 if (buffer_ == 0 || !screen_) return;
530 // Check for inset locking
531 if (bv_->theLockingInset()) {
532 LyXCursor cursor = bv_->text->cursor;
533 bv_->theLockingInset()->
534 InsetMotionNotify(bv_,
536 bv_->theLockingInset()->scroll(),
537 y - cursor.y() + bv_->text->first,
542 /* The selection possible is needed, that only motion events are
543 * used, where the bottom press event was on the drawing area too */
544 if (selection_possible) {
545 screen_->HideCursor();
547 bv_->text->SetCursorFromCoordinates(bv_, x, y + bv_->text->first);
549 if (!bv_->text->selection)
550 update(BufferView::UPDATE); // Maybe an empty line was deleted
552 bv_->text->SetSelection();
553 screen_->ToggleToggle(bv_->text);
554 fitCursor(bv_->text);
555 screen_->ShowCursor(bv_->text);
561 // Single-click on work area
562 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
568 if (buffer_ == 0 || !screen_) return;
570 Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos, button);
572 // ok ok, this is a hack.
573 if (button == 4 || button == 5) {
576 scrollUp(lyxrc.wheel_jump); // default 100, set in lyxrc
579 scrollDown(lyxrc.wheel_jump);
584 if (bv_->theLockingInset()) {
585 // We are in inset locking mode
587 /* Check whether the inset was hit. If not reset mode,
588 otherwise give the event to the inset */
589 if (inset_hit == bv_->theLockingInset()) {
590 bv_->theLockingInset()->
591 InsetButtonPress(bv_,
596 bv_->unlockInset(bv_->theLockingInset());
601 selection_possible = true;
602 screen_->HideCursor();
604 int const screen_first = bv_->text->first;
606 // Middle button press pastes if we have a selection
607 bool paste_internally = false;
609 && bv_->text->selection) {
610 owner_->getLyXFunc()->Dispatch(LFUN_COPY);
611 paste_internally = true;
614 // Clear the selection
615 screen_->ToggleSelection(bv_->text);
616 bv_->text->ClearSelection();
617 bv_->text->FullRebreak(bv_);
618 screen_->Update(bv_->text);
621 // Single left click in math inset?
622 if ((inset_hit != 0) &&
623 (inset_hit->Editable()==Inset::HIGHLY_EDITABLE)) {
624 // Highly editable inset, like math
625 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
626 selection_possible = false;
627 owner_->updateLayoutChoice();
628 owner_->getMiniBuffer()->Set(inset->EditMessage());
629 inset->InsetButtonPress(bv_, xpos, ypos, button);
630 inset->Edit(bv_, xpos, ypos, button);
634 // Right click on a footnote flag opens float menu
636 selection_possible = false;
640 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
641 bv_->text->SetCursorFromCoordinates(bv_, xpos, ypos + screen_first);
642 bv_->text->FinishUndo();
643 bv_->text->sel_cursor = bv_->text->cursor;
644 bv_->text->cursor.x_fix(bv_->text->cursor.x());
646 owner_->updateLayoutChoice();
647 if (fitCursor(bv_->text)) {
648 selection_possible = false;
651 // Insert primary selection with middle mouse
652 // if there is a local selection in the current buffer,
655 if (paste_internally)
656 owner_->getLyXFunc()->Dispatch(LFUN_PASTE);
658 owner_->getLyXFunc()->Dispatch(LFUN_PASTESELECTION,
660 selection_possible = false;
666 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button)
669 if (buffer_ && !bv_->theLockingInset()) {
670 if (screen_ && button == 1) {
671 screen_->HideCursor();
672 screen_->ToggleSelection(bv_->text);
673 bv_->text->SelectWord(bv_);
674 screen_->ToggleSelection(bv_->text, false);
675 /* This will fit the cursor on the screen
677 update(BufferView::SELECT|BufferView::FITCUR);
683 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
686 if (buffer_ && screen_ && !bv_->theLockingInset() && (button == 1)) {
687 screen_->HideCursor();
688 screen_->ToggleSelection(bv_->text);
689 bv_->text->CursorHome(bv_);
690 bv_->text->sel_cursor = bv_->text->cursor;
691 bv_->text->CursorEnd(bv_);
692 bv_->text->SetSelection();
693 screen_->ToggleSelection(bv_->text, false);
694 /* This will fit the cursor on the screen
696 update(BufferView::SELECT|BufferView::FITCUR);
701 void BufferView::Pimpl::enterView()
703 if (active() && available()) {
704 SetXtermCursor(workarea_->getWin());
705 using_xterm_cursor = true;
710 void BufferView::Pimpl::leaveView()
712 if (using_xterm_cursor) {
713 XUndefineCursor(fl_display, workarea_->getWin());
714 using_xterm_cursor = false;
719 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
722 if (buffer_ == 0 || screen_ == 0) return;
724 // If we hit an inset, we have the inset coordinates in these
725 // and inset_hit points to the inset. If we do not hit an
726 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
727 Inset * inset_hit = checkInsetHit(bv_->text, x, y, button);
729 if (bv_->theLockingInset()) {
730 // We are in inset locking mode.
732 /* LyX does a kind of work-area grabbing for insets.
733 Only a ButtonPress Event outside the inset will
734 force a InsetUnlock. */
735 bv_->theLockingInset()->
736 InsetButtonRelease(bv_, x, y, button);
740 selection_possible = false;
742 if (button >= 2) return;
747 // Did we hit an editable inset?
748 if (inset_hit != 0) {
749 // Inset like error, notes and figures
750 selection_possible = false;
752 // CHECK fix this proper in 0.13
754 // Following a ref shouldn't issue
755 // a push on the undo-stack
756 // anylonger, now that we have
757 // keybindings for following
758 // references and returning from
759 // references. IMHO though, it
760 // should be the inset's own business
761 // to push or not push on the undo
762 // stack. They don't *have* to
763 // alter the document...
765 // ...or maybe the SetCursorParUndo()
766 // below isn't necessary at all anylonger?
767 if (inset_hit->LyxCode() == Inset::REF_CODE) {
768 bv_->text->SetCursorParUndo(bv_->buffer());
771 owner_->getMiniBuffer()->Set(inset_hit->EditMessage());
772 if (inset_hit->Editable()==Inset::HIGHLY_EDITABLE) {
773 // Highly editable inset, like math
774 UpdatableInset *inset = (UpdatableInset *)inset_hit;
775 inset->InsetButtonRelease(bv_, x, y, button);
777 inset_hit->InsetButtonRelease(bv_, x, y, button);
778 inset_hit->Edit(bv_, x, y, button);
783 // check whether we want to open a float
787 if (bv_->text->cursor.pos() <
788 bv_->text->cursor.par()->Last()) {
789 c = bv_->text->cursor.par()->
790 GetChar(bv_->text->cursor.pos());
793 if (c == LyXParagraph::META_FOOTNOTE
794 || c == LyXParagraph::META_MARGIN
795 || c == LyXParagraph::META_FIG
796 || c == LyXParagraph::META_TAB
797 || c == LyXParagraph::META_WIDE_FIG
798 || c == LyXParagraph::META_WIDE_TAB
799 || c == LyXParagraph::META_ALGORITHM){
803 if (bv_->text->cursor.pos() - 1 >= 0) {
804 c = bv_->text->cursor.par()->
805 GetChar(bv_->text->cursor.pos() - 1);
807 if (c == LyXParagraph::META_FOOTNOTE
808 || c == LyXParagraph::META_MARGIN
809 || c == LyXParagraph::META_FIG
810 || c == LyXParagraph::META_TAB
811 || c == LyXParagraph::META_WIDE_FIG
812 || c == LyXParagraph::META_WIDE_TAB
813 || c == LyXParagraph::META_ALGORITHM){
814 // We are one step too far to the right
815 bv_->text->CursorLeft(bv_);
824 selection_possible = false;
830 // Do we want to close a float? (click on the float-label)
831 if (bv_->text->cursor.row()->par()->footnoteflag ==
832 LyXParagraph::OPEN_FOOTNOTE
833 && bv_->text->cursor.row()->previous() &&
834 bv_->text->cursor.row()->previous()->par()->
835 footnoteflag != LyXParagraph::OPEN_FOOTNOTE){
836 LyXFont font(LyXFont::ALL_SANE);
837 font.setSize(LyXFont::SIZE_FOOTNOTE);
839 int box_x = 20; // LYX_PAPER_MARGIN;
840 box_x += lyxfont::width(" wide-tab ", font);
842 unsigned int screen_first = bv_->text->first;
845 && y + screen_first > bv_->text->cursor.y() -
846 bv_->text->cursor.row()->baseline()
847 && y + screen_first < bv_->text->cursor.y() -
848 bv_->text->cursor.row()->baseline()
849 + lyxfont::maxAscent(font) * 1.2 + lyxfont::maxDescent(font) * 1.2) {
851 selection_possible = false;
857 // Maybe we want to edit a bibitem ale970302
858 if (bv_->text->cursor.par()->bibkey && x < 20 +
859 bibitemMaxWidth(bv_, textclasslist.
861 params.textclass).defaultfont())) {
862 bv_->text->cursor.par()->bibkey->Edit(bv_, 0, 0, 0);
870 * Returns an inset if inset was hit. 0 otherwise.
871 * If hit, the coordinates are changed relative to the inset.
872 * Otherwise coordinates are not changed, and false is returned.
874 Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y,
875 unsigned int /* button */)
880 int y_tmp = y + text->first;
883 text->SetCursorFromCoordinates(bv_, cursor, x, y_tmp);
885 if (cursor.pos() < cursor.par()->Last()
886 && cursor.par()->GetChar(cursor.pos()) == LyXParagraph::META_INSET
887 && cursor.par()->GetInset(cursor.pos())
888 && cursor.par()->GetInset(cursor.pos())->Editable()) {
890 // Check whether the inset really was hit
891 Inset * tmpinset = cursor.par()->GetInset(cursor.pos());
892 LyXFont font = text->GetFont(bv_->buffer(),
893 cursor.par(), cursor.pos());
894 bool is_rtl = font.isVisibleRightToLeft();
899 start_x = cursor.x() - tmpinset->width(bv_, font) + tmpinset->scroll();
900 end_x = cursor.x() + tmpinset->scroll();
902 start_x = cursor.x() + tmpinset->scroll();
903 end_x = cursor.x() + tmpinset->width(bv_, font) + tmpinset->scroll();
906 if (x > start_x && x < end_x
907 && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
908 && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
909 text->SetCursor(bv_, cursor.par(),cursor.pos(),true);
911 // The origin of an inset is on the baseline
912 y = y_tmp - (text->cursor.y());
917 if ((cursor.pos() - 1 >= 0) &&
918 (cursor.par()->GetChar(cursor.pos()-1) == LyXParagraph::META_INSET) &&
919 (cursor.par()->GetInset(cursor.pos() - 1)) &&
920 (cursor.par()->GetInset(cursor.pos() - 1)->Editable())) {
921 Inset * tmpinset = cursor.par()->GetInset(cursor.pos()-1);
922 LyXFont font = text->GetFont(bv_->buffer(), cursor.par(),
924 bool is_rtl = font.isVisibleRightToLeft();
929 start_x = cursor.x() - tmpinset->width(bv_, font) +
931 end_x = cursor.x() + tmpinset->scroll();
933 start_x = cursor.x() + tmpinset->scroll();
934 end_x = cursor.x() + tmpinset->width(bv_, font) +
937 if (x > start_x && x < end_x
938 && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
939 && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
941 if (move_cursor && (tmpinset != bv_->theLockingInset()))
943 text->SetCursor(bv_, cursor.par(),cursor.pos()-1,true);
945 // The origin of an inset is on the baseline
946 y = y_tmp - (text->cursor.y());
954 void BufferView::Pimpl::workAreaExpose()
956 // this is a hack to ensure that we only call this through
957 // BufferView::redraw().
962 static int work_area_width = 0;
963 static unsigned int work_area_height = 0;
965 bool widthChange = workarea_->workWidth() != work_area_width;
966 bool heightChange = workarea_->height() != work_area_height;
968 // update from work area
969 work_area_width = workarea_->workWidth();
970 work_area_height = workarea_->height();
973 // All buffers need a resize
976 // Remove all texts from the textcache
977 // This is not _really_ what we want to do. What
978 // we really want to do is to delete in textcache
979 // that does not have a BufferView with matching
980 // width, but as long as we have only one BufferView
981 // deleting all gives the same result.
982 if (lyxerr.debugging())
983 textcache.show(lyxerr, "Expose delete all");
985 } else if (heightChange) {
986 // Rebuild image of current screen
988 // fitCursor() ensures we don't jump back
989 // to the start of the document on vertical
991 fitCursor(bv_->text);
993 // The main window size has changed, repaint most stuff
995 // ...including the minibuffer
996 owner_->getMiniBuffer()->Init();
998 } else if (screen_) screen_->Redraw(bv_->text);
1000 // Grey box when we don't have a buffer
1001 workarea_->greyOut();
1004 // always make sure that the scrollbar is sane.
1006 owner_->updateLayoutChoice();
1011 void BufferView::Pimpl::update()
1013 if (screen_) screen_->Update(bv_->text);
1016 // Values used when calling update:
1018 // -2 - update, move sel_cursor if selection, fitcursor
1019 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
1020 // 0 - update, move sel_cursor if selection, fitcursor
1021 // 1 - update, move sel_cursor if selection, fitcursor, mark dirty
1022 // 3 - update, move sel_cursor if selection
1025 // a simple redraw of the parts that need refresh
1027 // move sel_cursor if selection -
1028 // the text's sel_cursor is moved if there is selection is progress
1031 // fitCursor() is called and the scrollbar updated
1034 // the buffer is marked dirty.
1043 // UPDATE_ONLY = UPDATE;
1044 // UPDATE_SELECT = UPDATE | SELECT;
1045 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
1046 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
1048 // update(-3) -> update(0) -> update(0) -> update(UPDATE)
1049 // update(-2) -> update(1 + 2) -> update(3) -> update(SELECT|FITCUR)
1050 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1051 // update(1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1052 // update(3) -> update(1) -> update(1) -> update(SELECT)
1054 void BufferView::Pimpl::update(BufferView::UpdateCodes f)
1056 owner_->updateLayoutChoice();
1058 if (!bv_->text->selection && (f & SELECT)) {
1059 bv_->text->sel_cursor = bv_->text->cursor;
1062 bv_->text->FullRebreak(bv_);
1067 fitCursor(bv_->text);
1071 if (buffer_->isLyxClean()) {
1072 buffer_->markDirty();
1073 owner_->getMiniBuffer()->setTimer(4);
1075 buffer_->markDirty();
1081 // Callback for cursor timer
1082 void BufferView::Pimpl::cursorToggle()
1084 // Quite a nice place for asyncron Inset updating, isn't it?
1085 // Actually no! This is run even if no buffer exist... so (Lgb)
1087 goto set_timer_and_return;
1091 // On my quest to solve the gs render hangups I am now
1092 // disabling the SIGHUP completely, and will do a wait
1093 // now and then instead. If the guess that xforms somehow
1094 // destroys something is true, this is likely (hopefully)
1095 // to solve the problem...at least I hope so. Lgb
1097 // ...Ok this seems to work...at least it does not make things
1098 // worse so far. However I still see gs processes that hangs.
1099 // I would really like to know _why_ they are hanging. Anyway
1100 // the solution without the SIGCHLD handler seems to be easier
1103 // When attaching gdb to a a running gs that hangs it shows
1104 // that it is waiting for input(?) Is it possible for us to
1105 // provide that input somehow? Or figure what it is expecing
1108 // One solution is to, after some time, look if there are some
1109 // old gs processes still running and if there are: kill them
1112 // Another solution is to provide the user an option to rerender
1113 // a picture. This would, for the picture in question, check if
1114 // there is a gs running for it, if so kill it, and start a new
1115 // rendering process.
1117 // these comments posted to lyx@via
1120 int pid = waitpid(static_cast<pid_t>(0), &status, WNOHANG);
1121 if (pid == -1) // error find out what is wrong
1122 ; // ignore it for now.
1124 sigchldhandler(pid, &status);
1127 updatelist.update(bv_);
1130 goto set_timer_and_return;
1133 if (!bv_->theLockingInset()) {
1134 screen_->CursorToggle(bv_->text);
1136 bv_->theLockingInset()->ToggleInsetCursor(bv_);
1139 set_timer_and_return:
1140 cursor_timeout.restart();
1145 void BufferView::Pimpl::cursorPrevious()
1147 if (!bv_->text->cursor.row()->previous()) return;
1149 int y = bv_->text->first;
1150 Row * cursorrow = bv_->text->cursor.row();
1151 bv_->text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
1152 bv_->text->FinishUndo();
1153 // This is to allow jumping over large insets
1154 if ((cursorrow == bv_->text->cursor.row()))
1155 bv_->text->CursorUp(bv_);
1157 if (bv_->text->cursor.row()->height() < workarea_->height())
1158 screen_->Draw(bv_->text,
1159 bv_->text->cursor.y()
1160 - bv_->text->cursor.row()->baseline()
1161 + bv_->text->cursor.row()->height()
1162 - workarea_->height() + 1 );
1167 void BufferView::Pimpl::cursorNext()
1169 if (!bv_->text->cursor.row()->next()) return;
1171 int y = bv_->text->first;
1172 bv_->text->GetRowNearY(y);
1173 Row * cursorrow = bv_->text->cursor.row();
1174 bv_->text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y
1175 + workarea_->height());
1176 bv_->text->FinishUndo();
1177 // This is to allow jumping over large insets
1178 if ((cursorrow == bv_->text->cursor.row()))
1179 bv_->text->CursorDown(bv_);
1181 if (bv_->text->cursor.row()->height() < workarea_->height())
1182 screen_->Draw(bv_->text, bv_->text->cursor.y()
1183 - bv_->text->cursor.row()->baseline());
1188 bool BufferView::Pimpl::available() const
1190 if (buffer_ && bv_->text) return true;
1195 void BufferView::Pimpl::beforeChange()
1198 bv_->text->ClearSelection();
1201 //owner_->update_timeout.stop();
1205 void BufferView::Pimpl::savePosition()
1207 backstack.push(buffer_->fileName(),
1208 bv_->text->cursor.x(),
1209 bv_->text->cursor.y());
1213 void BufferView::Pimpl::restorePosition()
1215 if (backstack.empty()) return;
1218 string fname = backstack.pop(&x, &y);
1222 if( fname != buffer_->fileName() ) {
1223 Buffer * b = bufferlist.exists(fname) ?
1224 bufferlist.getBuffer(fname) :
1225 bufferlist.loadLyXFile(fname); // don't ask, just load it
1226 if( b != 0 ) buffer(b);
1229 bv_->text->SetCursorFromCoordinates(bv_, x, y);
1230 update(BufferView::SELECT|BufferView::FITCUR);
1234 bool BufferView::Pimpl::NoSavedPositions()
1236 return backstack.empty();
1240 void BufferView::Pimpl::setState()
1242 if (!lyxrc.rtl_support)
1245 if (bv_->text->real_current_font.isRightToLeft() &&
1246 bv_->text->real_current_font.latex() != LyXFont::ON) {
1247 if (owner_->getIntl()->primarykeymap)
1248 owner_->getIntl()->KeyMapSec();
1250 if (!owner_->getIntl()->primarykeymap)
1251 owner_->getIntl()->KeyMapPrim();
1256 void BufferView::Pimpl::insetSleep()
1258 if (bv_->theLockingInset() && !bv_->inset_slept) {
1259 bv_->theLockingInset()->GetCursorPos(bv_, bv_->slx, bv_->sly);
1260 bv_->theLockingInset()->InsetUnlock(bv_);
1261 bv_->inset_slept = true;
1266 void BufferView::Pimpl::insetWakeup()
1268 if (bv_->theLockingInset() && bv_->inset_slept) {
1269 bv_->theLockingInset()->Edit(bv_, bv_->slx, bv_->sly, 0);
1270 bv_->inset_slept = false;
1275 void BufferView::Pimpl::insetUnlock()
1277 if (bv_->theLockingInset()) {
1278 if (!bv_->inset_slept)
1279 bv_->theLockingInset()->InsetUnlock(bv_);
1280 bv_->theLockingInset(0);
1281 bv_->text->FinishUndo();
1282 bv_->inset_slept = false;
1287 bool BufferView::Pimpl::focus() const
1289 return workarea_->hasFocus();
1293 void BufferView::Pimpl::focus(bool f)
1295 if (f) workarea_->setFocus();
1299 bool BufferView::Pimpl::active() const
1301 return workarea_->active();
1305 bool BufferView::Pimpl::belowMouse() const
1307 return workarea_->belowMouse();
1311 void BufferView::Pimpl::showCursor()
1314 screen_->ShowCursor(bv_->text);
1318 void BufferView::Pimpl::hideCursor()
1321 screen_->HideCursor();
1325 void BufferView::Pimpl::toggleSelection(bool b)
1328 screen_->ToggleSelection(bv_->text, b);
1332 void BufferView::Pimpl::toggleToggle()
1335 screen_->ToggleToggle(bv_->text);
1339 void BufferView::Pimpl::center()
1342 if (bv_->text->cursor.y() > (int)(workarea_->height() / 2)) {
1343 screen_->Draw(bv_->text, bv_->text->cursor.y() - workarea_->height() / 2);
1345 screen_->Draw(bv_->text, 0);
1347 update(BufferView::SELECT|BufferView::FITCUR);
1352 void BufferView::Pimpl::pasteClipboard(bool asPara)
1354 if (buffer_ == 0) return;
1356 screen_->HideCursor();
1357 bv_->beforeChange();
1359 string clip(workarea_->getClipboard());
1361 if (clip.empty()) return;
1364 bv_->text->InsertStringB(bv_, clip);
1366 bv_->text->InsertStringA(bv_, clip);
1368 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1372 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1374 workarea_->putClipboard(stuff);