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_get_display(), XC_xterm);
65 XFlush(fl_get_display());
66 cursor_undefined = false;
68 XDefineCursor(fl_get_display(), win, cursor);
69 XFlush(fl_get_display());
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(true);
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 if (buffer_ == 0) return;
422 current_scrollbar_value = long(value);
423 if (current_scrollbar_value < 0)
424 current_scrollbar_value = 0;
429 screen_->Draw(bv_->text, current_scrollbar_value);
431 if (lyxrc.cursor_follows_scrollbar) {
432 LyXText * vbt = bv_->text;
433 int height = vbt->DefaultHeight();
435 if (vbt->cursor.y() < static_cast<int>((bv_->text->first + height))) {
436 vbt->SetCursorFromCoordinates(bv_, 0,
439 } else if (vbt->cursor.y() >
440 static_cast<int>((bv_->text->first+workarea_->height()-height)))
442 vbt->SetCursorFromCoordinates(bv_, 0,
444 workarea_->height() -
452 int BufferView::Pimpl::scrollUp(long time)
454 if (buffer_ == 0) return 0;
455 if (!screen_) return 0;
457 double value = workarea_->getScrollbarValue();
459 if (value == 0) return 0;
461 float add_value = (bv_->text->DefaultHeight()
462 + float(time) * float(time) * 0.125);
464 if (add_value > workarea_->height())
465 add_value = float(workarea_->height() -
466 bv_->text->DefaultHeight());
473 workarea_->setScrollbarValue(value);
475 bv_->scrollCB(value);
480 int BufferView::Pimpl::scrollDown(long time)
482 if (buffer_ == 0) return 0;
483 if (!screen_) return 0;
485 double value= workarea_->getScrollbarValue();
486 pair<float, float> p = workarea_->getScrollbarBounds();
487 double max = p.second;
489 if (value == max) return 0;
491 float add_value = (bv_->text->DefaultHeight()
492 + float(time) * float(time) * 0.125);
494 if (add_value > workarea_->height())
495 add_value = float(workarea_->height() -
496 bv_->text->DefaultHeight());
503 workarea_->setScrollbarValue(value);
505 bv_->scrollCB(value);
510 void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
512 bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
516 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
518 // Only use motion with button 1
519 if (!(state & Button1MotionMask))
522 if (buffer_ == 0 || !screen_) return;
524 // Check for inset locking
525 if (bv_->theLockingInset()) {
526 LyXCursor cursor = bv_->text->cursor;
527 LyXFont font = bv_->text->GetFont(bv_->buffer(),
528 cursor.par(), cursor.pos());
529 int width = bv_->theLockingInset()->width(bv_, font);
530 int inset_x = font.isVisibleRightToLeft()
531 ? cursor.x() - width : cursor.x();
532 int start_x = inset_x + bv_->theLockingInset()->scroll();
533 bv_->theLockingInset()->
534 InsetMotionNotify(bv_,
536 y - cursor.y() + bv_->text->first,
541 /* The selection possible is needed, that only motion events are
542 * used, where the bottom press event was on the drawing area too */
543 if (selection_possible) {
544 screen_->HideCursor();
546 bv_->text->SetCursorFromCoordinates(bv_, x, y + bv_->text->first);
548 if (!bv_->text->selection)
549 update(BufferView::UPDATE); // Maybe an empty line was deleted
551 bv_->text->SetSelection();
552 screen_->ToggleToggle(bv_->text);
553 fitCursor(bv_->text);
554 screen_->ShowCursor(bv_->text);
560 // Single-click on work area
561 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
567 if (buffer_ == 0 || !screen_) return;
569 Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos, button);
571 // ok ok, this is a hack.
572 if (button == 4 || button == 5) {
575 scrollUp(lyxrc.wheel_jump); // default 100, set in lyxrc
578 scrollDown(lyxrc.wheel_jump);
583 if (bv_->theLockingInset()) {
584 // We are in inset locking mode
586 /* Check whether the inset was hit. If not reset mode,
587 otherwise give the event to the inset */
588 if (inset_hit == bv_->theLockingInset()) {
589 bv_->theLockingInset()->
590 InsetButtonPress(bv_,
595 bv_->unlockInset(bv_->theLockingInset());
600 selection_possible = true;
601 screen_->HideCursor();
603 int const screen_first = bv_->text->first;
605 // Middle button press pastes if we have a selection
606 bool paste_internally = false;
608 && bv_->text->selection) {
609 owner_->getLyXFunc()->Dispatch(LFUN_COPY);
610 paste_internally = true;
613 // Clear the selection
614 screen_->ToggleSelection(bv_->text);
615 bv_->text->ClearSelection();
616 bv_->text->FullRebreak(bv_);
617 screen_->Update(bv_->text);
620 // Single left click in math inset?
621 if ((inset_hit != 0) &&
622 (inset_hit->Editable()==Inset::HIGHLY_EDITABLE)) {
623 // Highly editable inset, like math
624 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
625 selection_possible = false;
626 owner_->updateLayoutChoice();
627 owner_->getMiniBuffer()->Set(inset->EditMessage());
628 inset->InsetButtonPress(bv_, xpos, ypos, button);
629 inset->Edit(bv_, xpos, ypos, button);
633 // Right click on a footnote flag opens float menu
635 selection_possible = false;
639 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
640 bv_->text->SetCursorFromCoordinates(bv_, xpos, ypos + screen_first);
641 bv_->text->FinishUndo();
642 bv_->text->sel_cursor = bv_->text->cursor;
643 bv_->text->cursor.x_fix(bv_->text->cursor.x());
645 owner_->updateLayoutChoice();
646 if (fitCursor(bv_->text)) {
647 selection_possible = false;
650 // Insert primary selection with middle mouse
651 // if there is a local selection in the current buffer,
654 if (paste_internally)
655 owner_->getLyXFunc()->Dispatch(LFUN_PASTE);
657 owner_->getLyXFunc()->Dispatch(LFUN_PASTESELECTION,
659 selection_possible = false;
665 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button)
668 if (buffer_ && !bv_->theLockingInset()) {
669 if (screen_ && button == 1) {
670 screen_->HideCursor();
671 screen_->ToggleSelection(bv_->text);
672 bv_->text->SelectWord(bv_);
673 screen_->ToggleSelection(bv_->text, false);
674 /* This will fit the cursor on the screen
676 update(BufferView::SELECT|BufferView::FITCUR);
682 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
685 if (buffer_ && screen_ && !bv_->theLockingInset() && (button == 1)) {
686 screen_->HideCursor();
687 screen_->ToggleSelection(bv_->text);
688 bv_->text->CursorHome(bv_);
689 bv_->text->sel_cursor = bv_->text->cursor;
690 bv_->text->CursorEnd(bv_);
691 bv_->text->SetSelection();
692 screen_->ToggleSelection(bv_->text, false);
693 /* This will fit the cursor on the screen
695 update(BufferView::SELECT|BufferView::FITCUR);
700 void BufferView::Pimpl::enterView()
702 if (active() && available()) {
703 SetXtermCursor(workarea_->getWin());
704 using_xterm_cursor = true;
709 void BufferView::Pimpl::leaveView()
711 if (using_xterm_cursor) {
712 XUndefineCursor(fl_get_display(), workarea_->getWin());
713 using_xterm_cursor = false;
718 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
721 if (buffer_ == 0 || screen_ == 0) return;
723 // If we hit an inset, we have the inset coordinates in these
724 // and inset_hit points to the inset. If we do not hit an
725 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
726 Inset * inset_hit = checkInsetHit(bv_->text, x, y, button);
728 if (bv_->theLockingInset()) {
729 // We are in inset locking mode.
731 /* LyX does a kind of work-area grabbing for insets.
732 Only a ButtonPress Event outside the inset will
733 force a InsetUnlock. */
734 bv_->theLockingInset()->
735 InsetButtonRelease(bv_, x, y, button);
739 selection_possible = false;
741 if (button >= 2) return;
746 // Did we hit an editable inset?
747 if (inset_hit != 0) {
748 // Inset like error, notes and figures
749 selection_possible = false;
751 // CHECK fix this proper in 0.13
753 // Following a ref shouldn't issue
754 // a push on the undo-stack
755 // anylonger, now that we have
756 // keybindings for following
757 // references and returning from
758 // references. IMHO though, it
759 // should be the inset's own business
760 // to push or not push on the undo
761 // stack. They don't *have* to
762 // alter the document...
764 // ...or maybe the SetCursorParUndo()
765 // below isn't necessary at all anylonger?
766 if (inset_hit->LyxCode() == Inset::REF_CODE) {
767 bv_->text->SetCursorParUndo(bv_->buffer());
770 owner_->getMiniBuffer()->Set(inset_hit->EditMessage());
771 if (inset_hit->Editable()==Inset::HIGHLY_EDITABLE) {
772 // Highly editable inset, like math
773 UpdatableInset *inset = (UpdatableInset *)inset_hit;
774 inset->InsetButtonRelease(bv_, x, y, button);
776 inset_hit->InsetButtonRelease(bv_, x, y, button);
777 inset_hit->Edit(bv_, x, y, button);
782 // check whether we want to open a float
786 if (bv_->text->cursor.pos() <
787 bv_->text->cursor.par()->Last()) {
788 c = bv_->text->cursor.par()->
789 GetChar(bv_->text->cursor.pos());
792 if(!bv_->text->selection)
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 int width = tmpinset->width(bv_, font);
895 int inset_x = font.isVisibleRightToLeft()
896 ? cursor.x() - width : cursor.x();
897 int start_x = inset_x + tmpinset->scroll();
898 int end_x = inset_x + width;
900 if (x > start_x && x < end_x
901 && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
902 && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
903 text->SetCursor(bv_, cursor.par(),cursor.pos(),true);
905 // The origin of an inset is on the baseline
906 y = y_tmp - (text->cursor.y());
911 if ((cursor.pos() - 1 >= 0) &&
912 (cursor.par()->GetChar(cursor.pos()-1) == LyXParagraph::META_INSET) &&
913 (cursor.par()->GetInset(cursor.pos() - 1)) &&
914 (cursor.par()->GetInset(cursor.pos() - 1)->Editable())) {
915 Inset * tmpinset = cursor.par()->GetInset(cursor.pos()-1);
916 LyXFont font = text->GetFont(bv_->buffer(), cursor.par(),
918 int width = tmpinset->width(bv_, font);
919 int inset_x = font.isVisibleRightToLeft()
920 ? cursor.x() : cursor.x() - width;
921 int start_x = inset_x + tmpinset->scroll();
922 int end_x = inset_x + width;
924 if (x > start_x && x < end_x
925 && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
926 && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
928 if (move_cursor && (tmpinset != bv_->theLockingInset()))
930 text->SetCursor(bv_, cursor.par(),cursor.pos()-1,true);
932 // The origin of an inset is on the baseline
933 y = y_tmp - (text->cursor.y());
941 void BufferView::Pimpl::workAreaExpose()
943 // this is a hack to ensure that we only call this through
944 // BufferView::redraw().
949 static int work_area_width = 0;
950 static unsigned int work_area_height = 0;
952 bool widthChange = workarea_->workWidth() != work_area_width;
953 bool heightChange = workarea_->height() != work_area_height;
955 // update from work area
956 work_area_width = workarea_->workWidth();
957 work_area_height = workarea_->height();
960 // All buffers need a resize
963 // Remove all texts from the textcache
964 // This is not _really_ what we want to do. What
965 // we really want to do is to delete in textcache
966 // that does not have a BufferView with matching
967 // width, but as long as we have only one BufferView
968 // deleting all gives the same result.
969 if (lyxerr.debugging())
970 textcache.show(lyxerr, "Expose delete all");
972 } else if (heightChange) {
973 // Rebuild image of current screen
975 // fitCursor() ensures we don't jump back
976 // to the start of the document on vertical
978 fitCursor(bv_->text);
980 // The main window size has changed, repaint most stuff
982 // ...including the minibuffer
983 owner_->getMiniBuffer()->Init();
985 } else if (screen_) screen_->Redraw(bv_->text);
987 // Grey box when we don't have a buffer
988 workarea_->greyOut();
991 // always make sure that the scrollbar is sane.
993 owner_->updateLayoutChoice();
998 void BufferView::Pimpl::update()
1000 if (screen_) screen_->Update(bv_->text);
1003 // Values used when calling update:
1005 // -2 - update, move sel_cursor if selection, fitcursor
1006 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
1007 // 0 - update, move sel_cursor if selection, fitcursor
1008 // 1 - update, move sel_cursor if selection, fitcursor, mark dirty
1009 // 3 - update, move sel_cursor if selection
1012 // a simple redraw of the parts that need refresh
1014 // move sel_cursor if selection -
1015 // the text's sel_cursor is moved if there is selection is progress
1018 // fitCursor() is called and the scrollbar updated
1021 // the buffer is marked dirty.
1030 // UPDATE_ONLY = UPDATE;
1031 // UPDATE_SELECT = UPDATE | SELECT;
1032 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
1033 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
1035 // update(-3) -> update(0) -> update(0) -> update(UPDATE)
1036 // update(-2) -> update(1 + 2) -> update(3) -> update(SELECT|FITCUR)
1037 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1038 // update(1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1039 // update(3) -> update(1) -> update(1) -> update(SELECT)
1041 void BufferView::Pimpl::update(BufferView::UpdateCodes f)
1043 owner_->updateLayoutChoice();
1045 if (!bv_->text->selection && (f & SELECT)) {
1046 bv_->text->sel_cursor = bv_->text->cursor;
1049 bv_->text->FullRebreak(bv_);
1054 fitCursor(bv_->text);
1058 if (buffer_->isLyxClean()) {
1059 buffer_->markDirty();
1060 owner_->getMiniBuffer()->setTimer(4);
1062 buffer_->markDirty();
1068 // Callback for cursor timer
1069 void BufferView::Pimpl::cursorToggle()
1071 // Quite a nice place for asyncron Inset updating, isn't it?
1072 // Actually no! This is run even if no buffer exist... so (Lgb)
1074 goto set_timer_and_return;
1078 // On my quest to solve the gs render hangups I am now
1079 // disabling the SIGHUP completely, and will do a wait
1080 // now and then instead. If the guess that xforms somehow
1081 // destroys something is true, this is likely (hopefully)
1082 // to solve the problem...at least I hope so. Lgb
1084 // ...Ok this seems to work...at least it does not make things
1085 // worse so far. However I still see gs processes that hangs.
1086 // I would really like to know _why_ they are hanging. Anyway
1087 // the solution without the SIGCHLD handler seems to be easier
1090 // When attaching gdb to a a running gs that hangs it shows
1091 // that it is waiting for input(?) Is it possible for us to
1092 // provide that input somehow? Or figure what it is expecing
1095 // One solution is to, after some time, look if there are some
1096 // old gs processes still running and if there are: kill them
1099 // Another solution is to provide the user an option to rerender
1100 // a picture. This would, for the picture in question, check if
1101 // there is a gs running for it, if so kill it, and start a new
1102 // rendering process.
1104 // these comments posted to lyx@via
1107 int pid = waitpid(static_cast<pid_t>(0), &status, WNOHANG);
1108 if (pid == -1) // error find out what is wrong
1109 ; // ignore it for now.
1111 sigchldhandler(pid, &status);
1114 updatelist.update(bv_);
1117 goto set_timer_and_return;
1120 if (!bv_->theLockingInset()) {
1121 screen_->CursorToggle(bv_->text);
1123 bv_->theLockingInset()->ToggleInsetCursor(bv_);
1126 set_timer_and_return:
1127 cursor_timeout.restart();
1132 void BufferView::Pimpl::cursorPrevious(LyXText * text)
1134 if (!text->cursor.row()->previous())
1137 int y = text->first;
1138 if (text->inset_owner)
1139 y += bv_->text->first;
1140 Row * cursorrow = text->cursor.row();
1141 text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
1142 bv_->text->FinishUndo();
1143 // This is to allow jumping over large insets
1144 if ((cursorrow == text->cursor.row()))
1145 text->CursorUp(bv_);
1147 if (text->inset_owner ||
1148 text->cursor.row()->height() < workarea_->height())
1149 screen_->Draw(bv_->text,
1151 - text->cursor.row()->baseline()
1152 + text->cursor.row()->height()
1153 - workarea_->height() + 1 );
1158 void BufferView::Pimpl::cursorNext(LyXText * text)
1160 if (!text->cursor.row()->next())
1163 int y = text->first + workarea_->height();
1164 // if (text->inset_owner)
1165 // y += bv_->text->first;
1166 text->GetRowNearY(y);
1168 Row * cursorrow = text->cursor.row();
1169 text->SetCursorFromCoordinates(bv_, text->cursor.x_fix(), y); // + workarea_->height());
1170 bv_->text->FinishUndo();
1171 // This is to allow jumping over large insets
1172 if ((cursorrow == bv_->text->cursor.row()))
1173 text->CursorDown(bv_);
1175 if (text->inset_owner ||
1176 text->cursor.row()->height() < workarea_->height())
1177 screen_->Draw(bv_->text, text->cursor.y() -
1178 text->cursor.row()->baseline());
1183 bool BufferView::Pimpl::available() const
1185 if (buffer_ && bv_->text) return true;
1190 void BufferView::Pimpl::beforeChange()
1193 bv_->text->ClearSelection();
1196 //owner_->update_timeout.stop();
1200 void BufferView::Pimpl::savePosition()
1202 backstack.push(buffer_->fileName(),
1203 bv_->text->cursor.x(),
1204 bv_->text->cursor.y());
1208 void BufferView::Pimpl::restorePosition()
1210 if (backstack.empty()) return;
1213 string fname = backstack.pop(&x, &y);
1217 if (fname != buffer_->fileName()) {
1218 Buffer * b = bufferlist.exists(fname) ?
1219 bufferlist.getBuffer(fname) :
1220 bufferlist.loadLyXFile(fname); // don't ask, just load it
1221 if (b != 0 ) buffer(b);
1224 bv_->text->SetCursorFromCoordinates(bv_, x, y);
1225 update(BufferView::SELECT|BufferView::FITCUR);
1229 bool BufferView::Pimpl::NoSavedPositions()
1231 return backstack.empty();
1235 void BufferView::Pimpl::setState()
1237 if (!lyxrc.rtl_support)
1240 if (bv_->text->real_current_font.isRightToLeft() &&
1241 bv_->text->real_current_font.latex() != LyXFont::ON) {
1242 if (owner_->getIntl()->primarykeymap)
1243 owner_->getIntl()->KeyMapSec();
1245 if (!owner_->getIntl()->primarykeymap)
1246 owner_->getIntl()->KeyMapPrim();
1251 void BufferView::Pimpl::insetSleep()
1253 if (bv_->theLockingInset() && !bv_->inset_slept) {
1254 bv_->theLockingInset()->GetCursorPos(bv_, bv_->slx, bv_->sly);
1255 bv_->theLockingInset()->InsetUnlock(bv_);
1256 bv_->inset_slept = true;
1261 void BufferView::Pimpl::insetWakeup()
1263 if (bv_->theLockingInset() && bv_->inset_slept) {
1264 bv_->theLockingInset()->Edit(bv_, bv_->slx, bv_->sly, 0);
1265 bv_->inset_slept = false;
1270 void BufferView::Pimpl::insetUnlock()
1272 if (bv_->theLockingInset()) {
1273 if (!bv_->inset_slept)
1274 bv_->theLockingInset()->InsetUnlock(bv_);
1275 bv_->theLockingInset(0);
1276 bv_->text->FinishUndo();
1277 bv_->inset_slept = false;
1282 bool BufferView::Pimpl::focus() const
1284 return workarea_->hasFocus();
1288 void BufferView::Pimpl::focus(bool f)
1290 if (f) workarea_->setFocus();
1294 bool BufferView::Pimpl::active() const
1296 return workarea_->active();
1300 bool BufferView::Pimpl::belowMouse() const
1302 return workarea_->belowMouse();
1306 void BufferView::Pimpl::showCursor()
1309 screen_->ShowCursor(bv_->text);
1313 void BufferView::Pimpl::hideCursor()
1316 screen_->HideCursor();
1320 void BufferView::Pimpl::toggleSelection(bool b)
1323 screen_->ToggleSelection(bv_->text, b);
1327 void BufferView::Pimpl::toggleToggle()
1330 screen_->ToggleToggle(bv_->text);
1334 void BufferView::Pimpl::center()
1337 if (bv_->text->cursor.y() > static_cast<int>((workarea_->height() / 2))) {
1338 screen_->Draw(bv_->text, bv_->text->cursor.y() - workarea_->height() / 2);
1340 screen_->Draw(bv_->text, 0);
1342 update(BufferView::SELECT|BufferView::FITCUR);
1347 void BufferView::Pimpl::pasteClipboard(bool asPara)
1349 if (buffer_ == 0) return;
1351 screen_->HideCursor();
1352 bv_->beforeChange();
1354 string clip(workarea_->getClipboard());
1356 if (clip.empty()) return;
1359 bv_->text->InsertStringB(bv_, clip);
1361 bv_->text->InsertStringA(bv_, clip);
1363 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1367 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1369 workarea_->putClipboard(stuff);