-// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+/**
+ * \file BufferView.C
+ * Copyright 1995-2002 the LyX Team
+ * Read the file COPYING
*
- * ====================================================== */
+ * \author unknown
+ * \author John Levon <moz@compsoc.man.ac.uk>
+ */
#include <config.h>
-#include <algorithm>
-using std::for_each;
-
-#include <cstdlib>
-#include <csignal>
-
-#include <unistd.h>
-#include <sys/wait.h>
-
-#include "support/lstrings.h"
-
#ifdef __GNUG__
#pragma implementation
#endif
-#include "commandtags.h"
#include "BufferView.h"
-#include "bufferlist.h"
-#include "LyXView.h"
-#include "lyxfunc.h"
-#include "insets/lyxinset.h"
-#include "insets/insetbib.h"
-#include "minibuffer.h"
-#include "lyxscreen.h"
-
-#include "debug.h"
-#include "lyx_gui_misc.h"
-#include "BackStack.h"
+#include "BufferView_pimpl.h"
#include "lyxtext.h"
-#include "lyx_cb.h"
-#include "gettext.h"
-#include "layout.h"
-#include "TextCache.h"
-#include "intl.h"
-#include "lyxrc.h"
-#include "lyxrow.h"
-#include "WorkArea.h"
-
-using std::find_if;
-
-extern BufferList bufferlist;
-
-void sigchldhandler(pid_t pid, int * status);
+#include "frontends/screen.h"
+#include "frontends/WorkArea.h"
-extern void SetXtermCursor(Window win);
-extern bool input_prohibited;
-extern bool selection_possible;
-extern char ascii_type;
-extern void MenuPasteSelection(char at);
-extern void FreeUpdateTimer();
BufferView::BufferView(LyXView * o, int xpos, int ypos,
int width, int height)
- : owner_(o)
+ : pimpl_(new Pimpl(this, o, xpos, ypos, width, height))
{
- buffer_ = 0;
text = 0;
- workarea = new WorkArea(this, xpos, ypos, width, height);
- screen = 0;
- timer_cursor = 0;
- create_view();
- current_scrollbar_value = 0;
- // Activate the timer for the cursor
- fl_set_timer(timer_cursor, 0.4);
- workarea->setFocus();
- work_area_focus = true;
- lyx_focus = false;
- the_locking_inset = 0;
- inset_slept = false;
}
BufferView::~BufferView()
{
delete text;
+ delete pimpl_;
}
-Painter & BufferView::painter()
-{
- return workarea->getPainter();
-}
-
-
-void BufferView::buffer(Buffer * b)
-{
- lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
- << b << ")" << endl;
- if (buffer_) {
- insetSleep();
- buffer_->delUser(this);
-
- // Put the old text into the TextCache, but
- // only if the buffer is still loaded.
- // Also set the owner of the test to 0
- text->owner(0);
- textcache.add(text);
- if (lyxerr.debugging())
- textcache.show(lyxerr, "BufferView::buffer");
-
- text = 0;
- }
-
- // Set current buffer
- buffer_ = b;
-
- if (bufferlist.getState() == BufferList::CLOSING) return;
-
- // Nuke old image
- // screen is always deleted when the buffer is changed.
- delete screen;
- screen = 0;
-
- // If we are closing the buffer, use the first buffer as current
- if (!buffer_) {
- buffer_ = bufferlist.first();
- }
-
- if (buffer_) {
- lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
- buffer_->addUser(this);
- owner_->getMenus()->showMenus();
- // If we don't have a text object for this, we make one
- if (text == 0)
- resizeCurrentBuffer();
- else {
- updateScreen();
- updateScrollbar();
- }
- screen->first = screen->TopCursorVisible();
- redraw();
- updateAllVisibleBufferRelatedPopups();
- insetWakeup();
- } else {
- lyxerr[Debug::INFO] << " No Buffer!" << endl;
- owner_->getMenus()->hideMenus();
- updateScrollbar();
- workarea->redraw();
-
- // Also remove all remaining text's from the testcache.
- // (there should not be any!) (if there is any it is a
- // bug!)
- if (lyxerr.debugging())
- textcache.show(lyxerr, "buffer delete all");
- textcache.clear();
- }
- // should update layoutchoice even if we don't have a buffer.
- owner_->updateLayoutChoice();
- owner_->getMiniBuffer()->Init();
- owner_->updateWindowTitle();
-}
-
-
-void BufferView::updateScreen()
-{
- // Regenerate the screen.
- delete screen;
- screen = new LyXScreen(*workarea, text);
-}
-
-
-void BufferView::resize(int xpos, int ypos, int width, int height)
-{
- workarea->resize(xpos, ypos, width, height);
- update(3);
- redraw();
-}
-
-
-void BufferView::resize()
-{
- // This will resize the buffer. (Asger)
- if (buffer_)
- resizeCurrentBuffer();
-}
-
-
-void BufferView::redraw()
-{
- lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
- workarea->redraw();
-}
-
-
-void BufferView::fitCursor()
-{
- if (screen) screen->FitCursor();
- updateScrollbar();
-}
-
-
-void BufferView::update()
-{
- if (screen) screen->Update();
-}
-
-
-void BufferView::updateScrollbar()
-{
- /* If the text is smaller than the working area, the scrollbar
- * maximum must be the working area height. No scrolling will
- * be possible */
-
- if (!buffer_) {
- workarea->setScrollbar(0, 1.0);
- return;
- }
-
- static long max2 = 0;
- static long height2 = 0;
-
- long cbth = 0;
- long cbsf = 0;
-
- if (text)
- cbth = text->height;
- if (screen)
- cbsf = screen->first;
-
- // check if anything has changed.
- if (max2 == cbth &&
- height2 == workarea->height() &&
- current_scrollbar_value == cbsf)
- return; // no
- max2 = cbth;
- height2 = workarea->height();
- current_scrollbar_value = cbsf;
-
- if (cbth <= height2) { // text is smaller than screen
- workarea->setScrollbar(0, 1.0); // right?
- return;
- }
-
- long maximum_height = workarea->height() * 3 / 4 + cbth;
- long value = cbsf;
-
- // set the scrollbar
- double hfloat = workarea->height();
- double maxfloat = maximum_height;
-
- float slider_size = 0.0;
- int slider_value = value;
-
- workarea->setScrollbarBounds(0, text->height - workarea->height());
- double lineh = text->DefaultHeight();
- workarea->setScrollbarIncrements(lineh);
- if (maxfloat > 0.0) {
- if ((hfloat / maxfloat) * float(height2) < 3)
- slider_size = 3.0/float(height2);
- else
- slider_size = hfloat / maxfloat;
- } else
- slider_size = hfloat;
-
- workarea->setScrollbar(slider_value, slider_size / workarea->height());
-}
-
-
-void BufferView::redoCurrentBuffer()
-{
- lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
- if (buffer_ && text) {
- resize();
- owner_->updateLayoutChoice();
- }
-}
-
-
-int BufferView::resizeCurrentBuffer()
-{
- lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
-
- LyXParagraph * par = 0;
- LyXParagraph * selstartpar = 0;
- LyXParagraph * selendpar = 0;
- int pos = 0;
- int selstartpos = 0;
- int selendpos = 0;
- int selection = 0;
- int mark_set = 0;
-
- ProhibitInput();
-
- owner_->getMiniBuffer()->Set(_("Formatting document..."));
-
- if (text) {
- par = text->cursor.par;
- pos = text->cursor.pos;
- selstartpar = text->sel_start_cursor.par;
- selstartpos = text->sel_start_cursor.pos;
- selendpar = text->sel_end_cursor.par;
- selendpos = text->sel_end_cursor.pos;
- selection = text->selection;
- mark_set = text->mark_set;
- delete text;
- text = new LyXText(this, workarea->workWidth(), buffer_);
- } else {
- // See if we have a text in TextCache that fits
- // the new buffer_ with the correct width.
- text = textcache.findFit(buffer_, workarea->workWidth());
- if (text) {
- if (lyxerr.debugging()) {
- lyxerr << "Found a LyXText that fits:\n";
- textcache.show(lyxerr, text);
- }
- // Set the owner of the newly found text
- text->owner(this);
- if (lyxerr.debugging())
- textcache.show(lyxerr, "resizeCurrentBuffer");
- } else {
- text = new LyXText(this, workarea->workWidth(), buffer_);
- }
- }
- updateScreen();
-
- if (par) {
- text->selection = true;
- /* at this point just to avoid the Delete-Empty-Paragraph
- * Mechanism when setting the cursor */
- text->mark_set = mark_set;
- if (selection) {
- text->SetCursor(selstartpar, selstartpos);
- text->sel_cursor = text->cursor;
- text->SetCursor(selendpar, selendpos);
- text->SetSelection();
- text->SetCursor(par, pos);
- } else {
- text->SetCursor(par, pos);
- text->sel_cursor = text->cursor;
- text->selection = false;
- }
- }
- screen->first = screen->TopCursorVisible(); /* this will scroll the
- * screen such that the
- * cursor becomes
- * visible */
- updateScrollbar();
- redraw();
- owner_->getMiniBuffer()->Init();
- setState();
- AllowInput();
-
- // Now if the title form still exist kill it
- TimerCB(0, 0);
-
- return 0;
-}
-
-
-void BufferView::gotoError()
+Buffer * BufferView::buffer() const
{
- if (!screen)
- return;
-
- screen->HideCursor();
- beforeChange();
- update(-2);
- LyXCursor tmp;
-
- if (!text->GotoNextError()) {
- if (text->cursor.pos
- || text->cursor.par != text->FirstParagraph()) {
- tmp = text->cursor;
- text->cursor.par = text->FirstParagraph();
- text->cursor.pos = 0;
- if (!text->GotoNextError()) {
- text->cursor = tmp;
- owner_->getMiniBuffer()
- ->Set(_("No more errors"));
- LyXBell();
- }
- } else {
- owner_->getMiniBuffer()->Set(_("No more errors"));
- LyXBell();
- }
- }
- update(0);
- text->sel_cursor = text->cursor;
-}
-
-
-extern "C" {
- void C_BufferView_CursorToggleCB(FL_OBJECT * ob, long buf)
- {
- BufferView::cursorToggleCB(ob, buf);
- }
+ return pimpl_->buffer_;
}
-void BufferView::create_view()
+LScreen & BufferView::screen() const
{
- FL_OBJECT * obj;
-
- //
- // TIMERS
- //
-
- // timer_cursor
- timer_cursor = obj = fl_add_timer(FL_HIDDEN_TIMER,
- 0, 0, 0, 0, "Timer");
- fl_set_object_callback(obj, C_BufferView_CursorToggleCB, 0);
- obj->u_vdata = this;
+ return pimpl_->screen();
}
-// Callback for scrollbar up button
-void BufferView::upCB(long time, int button)
+LyXView * BufferView::owner() const
{
- if (buffer_ == 0) return;
-
- switch (button) {
- case 3:
- scrollUpOnePage();
- break;
- case 2:
- scrollDownOnePage();
- break;
- default:
- scrollUp(time);
- break;
- }
+ return pimpl_->owner_;
}
-static inline
-void waitForX()
+Painter & BufferView::painter() const
{
- XSync(fl_get_display(), 0);
+ return pimpl_->painter();
}
-// Callback for scrollbar slider
-void BufferView::scrollCB(double value)
-{
- extern bool cursor_follows_scrollbar;
-
- if (buffer_ == 0) return;
-
- current_scrollbar_value = long(value);
- if (current_scrollbar_value < 0)
- current_scrollbar_value = 0;
-
- if (!screen)
- return;
-
- screen->Draw(current_scrollbar_value);
-
- if (cursor_follows_scrollbar) {
- LyXText * vbt = text;
- int height = vbt->DefaultHeight();
-
- if (vbt->cursor.y < screen->first + height) {
- vbt->SetCursorFromCoordinates(0,
- screen->first +
- height);
- } else if (vbt->cursor.y >
- screen->first + workarea->height() - height) {
- vbt->SetCursorFromCoordinates(0,
- screen->first +
- workarea->height() -
- height);
- }
- }
- waitForX();
-}
-
-
-// Callback for scrollbar down button
-void BufferView::downCB(long time, int button)
-{
- if (buffer_ == 0) return;
-
- switch (button) {
- case 2:
- scrollUpOnePage();
- break;
- case 3:
- scrollDownOnePage();
- break;
- default:
- scrollDown(time);
- break;
- }
-}
-
-
-int BufferView::scrollUp(long time)
-{
- if (buffer_ == 0) return 0;
- if (!screen) return 0;
-
- double value = workarea->getScrollbarValue();
-
- if (value == 0) return 0;
-
- float add_value = (text->DefaultHeight()
- + float(time) * float(time) * 0.125);
-
- if (add_value > workarea->height())
- add_value = float(workarea->height() -
- text->DefaultHeight());
-
- value -= add_value;
-
- if (value < 0)
- value = 0;
-
- workarea->setScrollbarValue(value);
-
- scrollCB(value);
- return 0;
-}
-
-
-int BufferView::scrollDown(long time)
+void BufferView::buffer(Buffer * b)
{
- if (buffer_ == 0) return 0;
- if (!screen) return 0;
-
- double value= workarea->getScrollbarValue();
- pair<double, double> p = workarea->getScrollbarBounds();
- double max = p.second;
-
- if (value == max) return 0;
-
- float add_value = (text->DefaultHeight()
- + float(time) * float(time) * 0.125);
-
- if (add_value > workarea->height())
- add_value = float(workarea->height() -
- text->DefaultHeight());
-
- value += add_value;
-
- if (value > max)
- value = max;
-
- workarea->setScrollbarValue(value);
-
- scrollCB(value);
- return 0;
+ pimpl_->buffer(b);
}
-void BufferView::scrollUpOnePage()
+void BufferView::resize(int xpos, int ypos, int width, int height)
{
- if (buffer_ == 0) return;
- if (!screen) return;
-
- long y = screen->first;
-
- if (!y) return;
-
- Row * row = text->GetRowNearY(y);
-
- y = y - workarea->height() + row->height;
-
- workarea->setScrollbarValue(y);
-
- scrollCB(y);
+ pimpl_->resize(xpos, ypos, width, height);
}
-void BufferView::scrollDownOnePage()
+void BufferView::resize()
{
- if (buffer_ == 0) return;
- if (!screen) return;
-
- long y = screen->first;
-
- if (y > text->height - workarea->height())
- return;
-
- y += workarea->height();
- text->GetRowNearY(y);
-
- workarea->setScrollbarValue(y);
-
- scrollCB(y);
+ pimpl_->resize();
}
-void BufferView::workAreaMotionNotify(int x, int y, unsigned int state)
+void BufferView::redraw()
{
- if (buffer_ == 0 || !screen) return;
-
- // Check for inset locking
- if (the_locking_inset) {
- LyXCursor cursor = text->cursor;
- the_locking_inset->
- InsetMotionNotify(this,
- x - cursor.x,
- y - cursor.y,
- state);
- return;
- }
-
- // Only use motion with button 1
- if (!state & Button1MotionMask)
- return;
-
- /* The selection possible is needed, that only motion events are
- * used, where the bottom press event was on the drawing area too */
- if (selection_possible) {
- screen->HideCursor();
-
- text->SetCursorFromCoordinates(x, y + screen->first);
-
- if (!text->selection)
- update(-3); // Maybe an empty line was deleted
-
- text->SetSelection();
- screen->ToggleToggle();
- if (screen->FitCursor())
- updateScrollbar();
- screen->ShowCursor();
- }
- return;
+ pimpl_->redraw();
}
-extern int bibitemMaxWidth(Painter &, LyXFont const &);
-
-
-// Single-click on work area
-void BufferView::workAreaButtonPress(int xpos, int ypos, unsigned int button)
+bool BufferView::fitCursor()
{
- last_click_x = -1;
- last_click_y = -1;
-
- if (buffer_ == 0 || !screen) return;
-
- Inset * inset_hit = checkInsetHit(xpos, ypos, button);
-
- // ok ok, this is a hack.
- if (button == 4 || button == 5) {
- switch (button) {
- case 4:
- scrollUp(100); // This number is only temporary
- break;
- case 5:
- scrollDown(100);
- break;
- }
- }
-
- if (the_locking_inset) {
- // We are in inset locking mode
-
- /* Check whether the inset was hit. If not reset mode,
- otherwise give the event to the inset */
- if (inset_hit == the_locking_inset) {
- the_locking_inset->
- InsetButtonPress(this,
- xpos, ypos,
- button);
- return;
- } else {
- unlockInset(the_locking_inset);
- }
- }
-
- if (!inset_hit)
- selection_possible = true;
- screen->HideCursor();
-
- // Right button mouse click on a table
- if (button == 3 &&
- (text->cursor.par->table ||
- text->MouseHitInTable(xpos, ypos + screen->first))) {
- // Set the cursor to the press-position
- text->SetCursorFromCoordinates(xpos, ypos + screen->first);
- bool doit = true;
-
- // Only show the table popup if the hit is in
- // the table, too
- if (!text->HitInTable(text->cursor.row, xpos))
- doit = false;
-
- // Hit above or below the table?
- if (doit) {
- if (!text->selection) {
- screen->ToggleSelection();
- text->ClearSelection();
- text->FullRebreak();
- screen->Update();
- updateScrollbar();
- }
- // Popup table popup when on a table.
- // This is obviously temporary, since we
- // should be able to popup various
- // context-sensitive-menus with the
- // the right mouse. So this should be done more
- // general in the future. Matthias.
- selection_possible = false;
- owner_->getLyXFunc()
- ->Dispatch(LFUN_LAYOUT_TABLE,
- "true");
- return;
- }
- }
-
- int screen_first = screen->first;
-
- // Middle button press pastes if we have a selection
- bool paste_internally = false;
- if (button == 2
- && text->selection) {
- owner_->getLyXFunc()->Dispatch(LFUN_COPY);
- paste_internally = true;
- }
-
- // Clear the selection
- screen->ToggleSelection();
- text->ClearSelection();
- text->FullRebreak();
- screen->Update();
- updateScrollbar();
-
- // Single left click in math inset?
- if ((inset_hit != 0) &&
- (inset_hit->Editable()==Inset::HIGHLY_EDITABLE)) {
- // Highly editable inset, like math
- UpdatableInset *inset = (UpdatableInset *)inset_hit;
- selection_possible = false;
- owner_->updateLayoutChoice();
- owner_->getMiniBuffer()->Set(inset->EditMessage());
- inset->InsetButtonPress(this, xpos, ypos, button);
- inset->Edit(this, xpos, ypos, button);
- return;
- }
-
- // Right click on a footnote flag opens float menu
- if (button == 3) {
- selection_possible = false;
- return;
- }
-
- if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
- text->SetCursorFromCoordinates(xpos, ypos + screen_first);
- text->FinishUndo();
- text->sel_cursor = text->cursor;
- text->cursor.x_fix = text->cursor.x;
-
- owner_->updateLayoutChoice();
- if (screen->FitCursor()){
- updateScrollbar();
- selection_possible = false;
- }
-
- // Insert primary selection with middle mouse
- // if there is a local selection in the current buffer,
- // insert this
- if (button == 2) {
- if (paste_internally)
- owner_->getLyXFunc()->Dispatch(LFUN_PASTE);
- else
- owner_->getLyXFunc()->Dispatch(LFUN_PASTESELECTION,
- "paragraph");
- selection_possible = false;
- return;
- }
+ return pimpl_->fitCursor();
}
-void BufferView::doubleClick(int /*x*/, int /*y*/, unsigned int button)
+void BufferView::update()
{
- // select a word
- if (buffer_ && !the_locking_inset) {
- if (screen && button == 1) {
- screen->HideCursor();
- screen->ToggleSelection();
- text->SelectWord();
- screen->ToggleSelection(false);
- /* This will fit the cursor on the screen
- * if necessary */
- update(0);
- }
- }
+ pimpl_->update();
}
-void BufferView::tripleClick(int /*x*/, int /*y*/, unsigned int button)
+void BufferView::updateScrollbar()
{
- // select a line
- if (buffer_ && screen && button == 1) {
- screen->HideCursor();
- screen->ToggleSelection();
- text->CursorHome();
- text->sel_cursor = text->cursor;
- text->CursorEnd();
- text->SetSelection();
- screen->ToggleSelection(false);
- /* This will fit the cursor on the screen
- * if necessary */
- update(0);
- }
+ pimpl_->updateScrollbar();
}
-void BufferView::workAreaButtonRelease(int x, int y, unsigned int button)
+void BufferView::scrollDocView(int value)
{
- if (buffer_ == 0 || screen == 0) return;
-
- // If we hit an inset, we have the inset coordinates in these
- // and inset_hit points to the inset. If we do not hit an
- // inset, inset_hit is 0, and inset_x == x, inset_y == y.
- Inset * inset_hit = checkInsetHit(x, y, button);
-
- if (the_locking_inset) {
- // We are in inset locking mode.
-
- /* LyX does a kind of work-area grabbing for insets.
- Only a ButtonPress Event outside the inset will
- force a InsetUnlock. */
- the_locking_inset->
- InsetButtonRelease(this, x, y, button);
- return;
- }
-
- selection_possible = false;
- if (text->cursor.par->table) {
- int cell = text->
- NumberOfCell(text->cursor.par,
- text->cursor.pos);
- if (text->cursor.par->table->IsContRow(cell) &&
- text->cursor.par->table->
- CellHasContRow(text->cursor.par->table->
- GetCellAbove(cell))<0) {
- text->CursorUp();
- }
- }
-
- if (button >= 2) return;
-
- setState();
- owner_->getMiniBuffer()->Set(CurrentState());
-
- // Did we hit an editable inset?
- if (inset_hit != 0) {
- // Inset like error, notes and figures
- selection_possible = false;
-#ifdef WITH_WARNINGS
-#warning fix this proper in 0.13
-#endif
- // Following a ref shouldn't issue
- // a push on the undo-stack
- // anylonger, now that we have
- // keybindings for following
- // references and returning from
- // references. IMHO though, it
- // should be the inset's own business
- // to push or not push on the undo
- // stack. They don't *have* to
- // alter the document...
- // (Joacim)
- // ...or maybe the SetCursorParUndo()
- // below isn't necessary at all anylonger?
- if (inset_hit->LyxCode() == Inset::REF_CODE) {
- text->SetCursorParUndo();
- }
-
- owner_->getMiniBuffer()->Set(inset_hit->EditMessage());
- if (inset_hit->Editable()==Inset::HIGHLY_EDITABLE) {
- // Highly editable inset, like math
- UpdatableInset *inset = (UpdatableInset *)inset_hit;
- inset->InsetButtonRelease(this, x, y, button);
- } else {
- inset_hit->Edit(this, x, y, button);
- }
- return;
- }
-
- // check whether we want to open a float
- if (text) {
- bool hit = false;
- char c = ' ';
- if (text->cursor.pos <
- text->cursor.par->Last()) {
- c = text->cursor.par->
- GetChar(text->cursor.pos);
- }
- if (c == LyXParagraph::META_FOOTNOTE
- || c == LyXParagraph::META_MARGIN
- || c == LyXParagraph::META_FIG
- || c == LyXParagraph::META_TAB
- || c == LyXParagraph::META_WIDE_FIG
- || c == LyXParagraph::META_WIDE_TAB
- || c == LyXParagraph::META_ALGORITHM){
- hit = true;
- } else if (text->cursor.pos - 1 >= 0) {
- c = text->cursor.par->
- GetChar(text->cursor.pos - 1);
- if (c == LyXParagraph::META_FOOTNOTE
- || c == LyXParagraph::META_MARGIN
- || c == LyXParagraph::META_FIG
- || c == LyXParagraph::META_TAB
- || c == LyXParagraph::META_WIDE_FIG
- || c == LyXParagraph::META_WIDE_TAB
- || c == LyXParagraph::META_ALGORITHM){
- // We are one step too far to the right
- text->CursorLeft();
- hit = true;
- }
- }
- if (hit == true) {
- toggleFloat();
- selection_possible = false;
- return;
- }
- }
-
- // Do we want to close a float? (click on the float-label)
- if (text->cursor.row->par->footnoteflag ==
- LyXParagraph::OPEN_FOOTNOTE
- //&& text->cursor.pos == 0
- && text->cursor.row->previous &&
- text->cursor.row->previous->par->
- footnoteflag != LyXParagraph::OPEN_FOOTNOTE){
- LyXFont font(LyXFont::ALL_SANE);
- font.setSize(LyXFont::SIZE_FOOTNOTE);
-
- int box_x = 20; // LYX_PAPER_MARGIN;
- box_x += font.textWidth(" wide-tab ", 10);
-
- int screen_first = screen->first;
-
- if (x < box_x
- && y + screen_first > text->cursor.y -
- text->cursor.row->baseline
- && y + screen_first < text->cursor.y -
- text->cursor.row->baseline
- + font.maxAscent() * 1.2 + font.maxDescent() * 1.2) {
- toggleFloat();
- selection_possible = false;
- return;
- }
- }
-
- // Maybe we want to edit a bibitem ale970302
- if (text->cursor.par->bibkey && x < 20 +
- bibitemMaxWidth(painter(),
- textclasslist
- .TextClass(buffer_->
- params.textclass).defaultfont())) {
- text->cursor.par->bibkey->Edit(this, 0, 0, 0);
- }
-
- return;
+ pimpl_->scrollDocView(value);
}
-/*
- * Returns an inset if inset was hit. 0 otherwise.
- * If hit, the coordinates are changed relative to the inset.
- * Otherwise coordinates are not changed, and false is returned.
- */
-Inset * BufferView::checkInsetHit(int & x, int & y, unsigned int button)
-{
- if (!screen)
- return 0;
-
- int y_tmp = y + screen->first;
-
- LyXCursor cursor;
- text->SetCursorFromCoordinates(cursor, x, y_tmp);
-#if 1
- bool move_cursor = true;
-#else
- bool move_cursor = ((cursor.par != text->cursor.par) ||
- (cursor.pos != text->cursor.pos)) && (button < 2);
-#endif
-
- if (cursor.pos < cursor.par->Last()
- && cursor.par->GetChar(cursor.pos) == LyXParagraph::META_INSET
- && cursor.par->GetInset(cursor.pos)
- && cursor.par->GetInset(cursor.pos)->Editable()) {
-
- // Check whether the inset really was hit
- Inset * tmpinset = cursor.par->GetInset(cursor.pos);
- LyXFont font = text->GetFont(cursor.par, cursor.pos);
- bool is_rtl = font.isVisibleRightToLeft();
- int start_x, end_x;
-
- if (is_rtl) {
- start_x = cursor.x - tmpinset->width(painter(), font);
- end_x = cursor.x;
- } else {
- start_x = cursor.x;
- end_x = cursor.x + tmpinset->width(painter(), font);
- }
-
- if (x > start_x && x < end_x
- && y_tmp > cursor.y - tmpinset->ascent(painter(), font)
- && y_tmp < cursor.y + tmpinset->descent(painter(), font)) {
- if (move_cursor)
- text->SetCursorFromCoordinates(x, y_tmp);
- x = x - start_x;
- // The origin of an inset is on the baseline
- y = y_tmp - (text->cursor.y);
- return tmpinset;
- }
- }
-
- if ((cursor.pos - 1 >= 0) &&
- (cursor.par->GetChar(cursor.pos-1) == LyXParagraph::META_INSET) &&
- (cursor.par->GetInset(cursor.pos - 1)) &&
- (cursor.par->GetInset(cursor.pos - 1)->Editable())) {
- Inset * tmpinset = cursor.par->GetInset(cursor.pos-1);
- LyXFont font = text->GetFont(cursor.par, cursor.pos-1);
- bool is_rtl = font.isVisibleRightToLeft();
- int start_x, end_x;
-
- if (!is_rtl) {
- start_x = cursor.x - tmpinset->width(painter(), font);
- end_x = cursor.x;
- } else {
- start_x = cursor.x;
- end_x = cursor.x + tmpinset->width(painter(), font);
- }
- if (x > start_x && x < end_x
- && y_tmp > cursor.y - tmpinset->ascent(painter(), font)
- && y_tmp < cursor.y + tmpinset->descent(painter(), font)) {
- if (move_cursor)
- text->SetCursorFromCoordinates(x, y_tmp);
- x = x - start_x;
- // The origin of an inset is on the baseline
- y = y_tmp - (text->cursor.y);
- return tmpinset;
- }
- }
- return 0;
-}
-
-void BufferView::workAreaExpose()
+Inset * BufferView::checkInsetHit(LyXText * text, int & x, int & y)
{
- // this is a hack to ensure that we only call this through
- // BufferView::redraw().
- //if (!lgb_hack) {
- // redraw();
- //}
-
- static int work_area_width = -1;
- static int work_area_height = -1;
-
- bool widthChange = workarea->workWidth() != work_area_width;
- bool heightChange = workarea->height() != work_area_height;
-
- // update from work area
- work_area_width = workarea->workWidth();
- work_area_height = workarea->height();
- if (buffer_ != 0) {
- if (widthChange) {
- // All buffers need a resize
- bufferlist.resize();
-
- // Remove all texts from the textcache
- // This is not _really_ what we want to do. What
- // we really want to do is to delete in textcache
- // that does not have a BufferView with matching
- // width, but as long as we have only one BufferView
- // deleting all gives the same result.
- if (lyxerr.debugging())
- textcache.show(lyxerr, "Expose delete all");
- textcache.clear();
- } else if (heightChange) {
- // Rebuild image of current screen
- updateScreen();
- // fitCursor() ensures we don't jump back
- // to the start of the document on vertical
- // resize
- fitCursor();
-
- // The main window size has changed, repaint most stuff
- redraw();
- // ...including the minibuffer
- owner_->getMiniBuffer()->Init();
-
- } else if (screen) screen->Redraw();
- } else {
- // Grey box when we don't have a buffer
- workarea->greyOut();
- }
-
- // always make sure that the scrollbar is sane.
- updateScrollbar();
- owner_->updateLayoutChoice();
- return;
+ return pimpl_->checkInsetHit(text, x, y);
}
-// Callback for cursor timer
-void BufferView::cursorToggleCB(FL_OBJECT * ob, long)
+void BufferView::redoCurrentBuffer()
{
- BufferView * view = static_cast<BufferView*>(ob->u_vdata);
-
- // Quite a nice place for asyncron Inset updating, isn't it?
- // Actually no! This is run even if no buffer exist... so (Lgb)
- if (view && !view->buffer_) {
- goto set_timer_and_return;
- }
-
- // NOTE:
- // On my quest to solve the gs render hangups I am now
- // disabling the SIGHUP completely, and will do a wait
- // now and then instead. If the guess that xforms somehow
- // destroys something is true, this is likely (hopefully)
- // to solve the problem...at least I hope so. Lgb
-
- // ...Ok this seems to work...at least it does not make things
- // worse so far. However I still see gs processes that hangs.
- // I would really like to know _why_ they are hanging. Anyway
- // the solution without the SIGCHLD handler seems to be easier
- // to debug.
-
- // When attaching gdb to a a running gs that hangs it shows
- // that it is waiting for input(?) Is it possible for us to
- // provide that input somehow? Or figure what it is expecing
- // to read?
-
- // One solution is to, after some time, look if there are some
- // old gs processes still running and if there are: kill them
- // and re render.
-
- // Another solution is to provide the user an option to rerender
- // a picture. This would, for the picture in question, check if
- // there is a gs running for it, if so kill it, and start a new
- // rendering process.
-
- // these comments posted to lyx@via
- {
- int status = 1;
- int pid = waitpid(static_cast<pid_t>(0), &status, WNOHANG);
- if (pid == -1) // error find out what is wrong
- ; // ignore it for now.
- else if (pid > 0)
- sigchldhandler(pid, &status);
- }
-
- view->updatelist.update(view);
-
- if (view && !view->screen){
- goto set_timer_and_return;
- }
-
- if (view->lyx_focus && view->work_area_focus) {
- if (!view->the_locking_inset) {
- view->screen->CursorToggle();
- } else {
- view->the_locking_inset->
- ToggleInsetCursor(view);
- }
- goto set_timer_and_return;
- } else {
- // Make sure that the cursor is visible.
- if (!view->the_locking_inset) {
- view->screen->ShowCursor();
- } else {
- if (!view->the_locking_inset->isCursorVisible())
- view->the_locking_inset->
- ToggleInsetCursor(view);
- }
- // This is only run when work_area_focus or lyx_focus is false.
- Window tmpwin;
- int tmp;
- XGetInputFocus(fl_display, &tmpwin, &tmp);
- // Commenting this out, we have not had problems with this
- // for a long time. We will probably work on this code later
- // and we can reenable this debug code then. Now it only
- // anoying when debugging. (Lgb)
- //if (lyxerr.debugging(Debug::INFO)) {
- // lyxerr << "tmpwin: " << tmpwin
- // << "\nwindow: " << view->owner_->getForm()->window
- // << "\nwork_area_focus: " << view->work_area_focus
- // << "\nlyx_focus : " << view->lyx_focus
- // << endl;
- //}
- if (tmpwin != view->owner_->getForm()->window) {
- view->lyx_focus = false;
- goto skip_timer;
- } else {
- view->lyx_focus = true;
- if (!view->work_area_focus)
- goto skip_timer;
- else
- goto set_timer_and_return;
- }
- }
-
- set_timer_and_return:
- fl_set_timer(ob, 0.4);
- skip_timer:
- return;
+ pimpl_->redoCurrentBuffer();
}
-static
-string fromClipboard(Window win, XEvent * event)
+int BufferView::resizeCurrentBuffer()
{
- string strret;
- if (event->xselection.type == XA_STRING
- && event->xselection.property) {
- Atom tmpatom;
- unsigned long ul1;
- unsigned long ul2;
- unsigned char * uc = 0;
- int tmpint;
- if (XGetWindowProperty(
- event->xselection.display, // display
- win, // w
- event->xselection.property, // property
- 0, // long_offset
- 0, // logn_length
- False, // delete
- XA_STRING, // req_type
- &tmpatom, // actual_type_return
- &tmpint, // actual_format_return
- &ul1,
- &ul2,
- &uc // prop_return
- ) != Success) {
- return strret;
- }
- if (uc) {
- free(uc);
- uc = 0;
- }
- if (XGetWindowProperty(
- event->xselection.display, // display
- win, // w
- event->xselection.property, // property
- 0, // long_offset
- ul2/4+1, // long_length
- True, // delete
- XA_STRING, // req_type
- &tmpatom, // actual_type_return
- &tmpint, // actual_format_return
- &ul1, // nitems_return
- &ul2, // bytes_after_return
- &uc // prop_return */
- ) != Success) {
- return strret;
- }
- if (uc) {
- strret = reinterpret_cast<char*>(uc);
- free(uc); // yes free!
- uc = 0;
- }
- }
- return strret;
+ return pimpl_->resizeCurrentBuffer();
}
-void BufferView::workAreaSelectionNotify(Window win, XEvent * event)
+void BufferView::cursorPrevious(LyXText * text)
{
- if (buffer_ == 0) return;
-
- screen->HideCursor();
- beforeChange();
- string clb = fromClipboard(win, event);
- if (!clb.empty()) {
- if (!ascii_type)
- text->InsertStringA(clb);
- else
- text->InsertStringB(clb);
-
- update(1);
-
- }
+ pimpl_->cursorPrevious(text);
}
-void BufferView::cursorPrevious()
+void BufferView::cursorNext(LyXText * text)
{
- if (!text->cursor.row->previous) return;
-
- long y = screen->first;
- Row * cursorrow = text->cursor.row;
- text->SetCursorFromCoordinates(text->cursor.x_fix, y);
- text->FinishUndo();
- // This is to allow jumping over large insets
- if ((cursorrow == text->cursor.row))
- text->CursorUp();
-
- if (text->cursor.row->height < workarea->height())
- screen->Draw(text->cursor.y
- - text->cursor.row->baseline
- + text->cursor.row->height
- - workarea->height() + 1 );
+ pimpl_->cursorNext(text);
}
-void BufferView::cursorNext()
+bool BufferView::available() const
{
- if (!text->cursor.row->next) return;
-
- long y = screen->first;
- text->GetRowNearY(y);
- Row * cursorrow = text->cursor.row;
- text->SetCursorFromCoordinates(text->cursor.x_fix, y
- + workarea->height());
- text->FinishUndo();
- // This is to allow jumping over large insets
- if ((cursorrow == text->cursor.row))
- text->CursorDown();
-
- if (text->cursor.row->height < workarea->height())
- screen->Draw(text->cursor.y
- - text->cursor.row->baseline);
+ return pimpl_->available();
}
-bool BufferView::available() const
+void BufferView::beforeChange(LyXText * text)
{
- if (buffer_ && text) return true;
- return false;
+ pimpl_->beforeChange(text);
}
-void BufferView::beforeChange()
+void BufferView::savePosition(unsigned int i)
{
- toggleSelection();
- text->ClearSelection();
- FreeUpdateTimer();
+ pimpl_->savePosition(i);
}
-void BufferView::savePosition()
+void BufferView::restorePosition(unsigned int i)
{
- backstack.push(buffer()->fileName(),
- text->cursor.x,
- text->cursor.y);
+ pimpl_->restorePosition(i);
}
-void BufferView::restorePosition()
-{
- if (backstack.empty()) return;
-
- int x, y;
- string fname = backstack.pop(&x, &y);
-
- beforeChange();
- Buffer * b = bufferlist.exists(fname) ?
- bufferlist.getBuffer(fname) :
- bufferlist.loadLyXFile(fname); // don't ask, just load it
- buffer(b);
- text->SetCursorFromCoordinates(x, y);
- update(0);
-}
-
-
-void BufferView::update(signed char f)
+bool BufferView::isSavedPosition(unsigned int i)
{
- owner()->updateLayoutChoice();
-
- if (!text->selection && f > -3)
- text->sel_cursor = text->cursor;
-
- FreeUpdateTimer();
- text->FullRebreak();
-
- update();
-
- if (f != 3 && f != -3) {
- fitCursor();
- updateScrollbar();
- }
-
- if (f == 1 || f == -1) {
- if (buffer()->isLyxClean()) {
- buffer()->markDirty();
- owner()->getMiniBuffer()->setTimer(4);
- } else {
- buffer()->markDirty();
- }
- }
+ return pimpl_->isSavedPosition(i);
}
-void BufferView::smallUpdate(signed char f)
+void BufferView::update(LyXText * text, UpdateCodes f)
{
- screen->SmallUpdate();
- if (screen->TopCursorVisible()
- != screen->first) {
- update(f);
- return;
- }
-
- fitCursor();
- updateScrollbar();
-
- if (!text->selection)
- text->sel_cursor = text->cursor;
-
- if (f == 1 || f == -1) {
- if (buffer()->isLyxClean()) {
- buffer()->markDirty();
- owner()->getMiniBuffer()->setTimer(4);
- } else {
- buffer()->markDirty();
- }
- }
+ pimpl_->update(text, f);
}
void BufferView::setState()
{
- if (!lyxrc.rtl_support)
- return;
-
- if (text->real_current_font.isVisibleRightToLeft()) {
- if (owner_->getIntl()->primarykeymap)
- owner_->getIntl()->KeyMapSec();
- } else {
- if (!owner_->getIntl()->primarykeymap)
- owner_->getIntl()->KeyMapPrim();
- }
+ pimpl_->setState();
}
-void BufferView::insetSleep()
+void BufferView::insetUnlock()
{
- if (the_locking_inset && !inset_slept) {
- the_locking_inset->GetCursorPos(slx, sly);
- the_locking_inset->InsetUnlock(this);
- inset_slept = true;
- }
+ pimpl_->insetUnlock();
}
-void BufferView::insetWakeup()
+bool BufferView::focus() const
{
- if (the_locking_inset && inset_slept) {
- the_locking_inset->Edit(this, slx, sly, 0);
- inset_slept = false;
- }
+ return pimpl_->focus();
}
-void BufferView::insetUnlock()
+void BufferView::focus(bool f)
{
- if (the_locking_inset) {
- if (!inset_slept) the_locking_inset->InsetUnlock(this);
- the_locking_inset = 0;
- text->FinishUndo();
- inset_slept = false;
- }
+ pimpl_->focus(f);
}
-bool BufferView::focus() const
+int BufferView::workWidth() const
{
- return workarea->hasFocus();
+ return pimpl_->workarea().workWidth();
}
-void BufferView::focus(bool f)
+void BufferView::showCursor()
{
- if (f) workarea->setFocus();
+ pimpl_->showCursor();
}
-bool BufferView::active() const
+void BufferView::hideCursor()
{
- return workarea->active();
+ pimpl_->hideCursor();
}
-Painter & BufferView::getPainter() const
+void BufferView::toggleSelection(bool b)
{
- return workarea->getPainter();
+ pimpl_->toggleSelection(b);
}
-unsigned short BufferView::paperWidth() const
+void BufferView::toggleToggle()
{
- return text->paperWidth();
+ pimpl_->toggleToggle();
}
-bool BufferView::belowMouse() const
+void BufferView::center()
{
- return workarea->belowMouse();
+ pimpl_->center();
}
-void BufferView::showCursor()
+void BufferView::pasteClipboard(bool asPara)
{
- if (screen)
- screen->ShowCursor();
+ pimpl_->pasteClipboard(asPara);
}
-void BufferView::hideCursor()
+string const BufferView::getClipboard() const
{
- if (screen)
- screen->HideCursor();
+ return pimpl_->workarea().getClipboard();
}
-void BufferView::toggleSelection(bool b)
+void BufferView::stuffClipboard(string const & stuff) const
{
- if (screen)
- screen->ToggleSelection(b);
+ pimpl_->stuffClipboard(stuff);
}
-void BufferView::toggleToggle()
+BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
+ BufferView::UpdateCodes uc2)
{
- if (screen)
- screen->ToggleToggle();
+ return static_cast<BufferView::UpdateCodes>
+ (static_cast<int>(uc1) | static_cast<int>(uc2));
}
-
-void BufferView::center()
+bool BufferView::Dispatch(kb_action action, string const & argument)
{
- beforeChange();
- if (text->cursor.y > workarea->height() / 2) {
- screen->Draw(text->cursor.y - workarea->height() / 2);
- } else {
- screen->Draw(0);
- }
- update(0);
- redraw();
+ return pimpl_->Dispatch(action, argument);
}