#include <config.h>
-//#include <utility>
+#include <unistd.h>
+#include <sys/wait.h>
#ifdef __GNUG__
#pragma implementation
#include "lyxfunc.h"
#include "minibuffer.h"
#include "font.h"
-#include "lyx_cb.h"
+#include "bufferview_funcs.h"
#include "TextCache.h"
#include "bufferlist.h"
#include "insets/insetbib.h"
+#include "menus.h"
+#include "lyx_gui_misc.h"
+#include "lyxrc.h"
+#include "intl.h"
+#include "support/LAssert.h"
+#include "frontends/Dialogs.h"
+
+#ifdef SIGC_CXX_NAMESPACES
+using SigC::slot;
+#endif
using std::pair;
+using std::endl;
+using std::vector;
+using std::make_pair;
+
+/* the selection possible is needed, that only motion events are
+ * used, where the bottom press event was on the drawing area too */
+bool selection_possible = false;
extern BufferList bufferlist;
-extern bool selection_possible;
extern char ascii_type;
+extern void sigchldhandler(pid_t pid, int * status);
extern int bibitemMaxWidth(Painter &, LyXFont const &);
-extern "C"
-void C_BufferView_CursorToggleCB(FL_OBJECT * ob, long buf);
+
+static inline
+void waitForX()
+{
+ XSync(fl_get_display(), 0);
+}
+
+
+static
+void SetXtermCursor(Window win)
+{
+ static Cursor cursor;
+ static bool cursor_undefined = true;
+ if (cursor_undefined){
+ cursor = XCreateFontCursor(fl_display, XC_xterm);
+ XFlush(fl_display);
+ cursor_undefined = false;
+ }
+ XDefineCursor(fl_display, win, cursor);
+ XFlush(fl_display);
+}
BufferView::Pimpl::Pimpl(BufferView * b, LyXView * o,
int xpos, int ypos, int width, int height)
- : bv_(b), owner_(o)
+ : bv_(b), owner_(o), cursor_timeout(400)
{
buffer_ = 0;
- workarea = new WorkArea(bv_, xpos, ypos, width, height);
- screen = 0;
- timer_cursor = 0;
- create_view();
+ workarea_ = new WorkArea(bv_, xpos, ypos, width, height);
+ screen_ = 0;
+
+ cursor_timeout.timeout.connect(slot(this,
+ &BufferView::Pimpl::cursorToggle));
current_scrollbar_value = 0;
- fl_set_timer(timer_cursor, 0.4);
- workarea->setFocus();
- work_area_focus = true;
- lyx_focus = false;
+ cursor_timeout.start();
+ workarea_->setFocus();
+ using_xterm_cursor = false;
+}
+
+
+Painter & BufferView::Pimpl::painter()
+{
+ return workarea_->getPainter();
+}
+
+
+void BufferView::Pimpl::buffer(Buffer * b)
+{
+ lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
+ << b << ")" << endl;
+ if (buffer_) {
+ bv_->insetSleep();
+ buffer_->delUser(bv_);
+
+ // Put the old text into the TextCache, but
+ // only if the buffer is still loaded.
+ // Also set the owner of the test to 0
+ // bv_->text->owner(0);
+ textcache.add(buffer_, workarea_->workWidth(), bv_->text);
+ if (lyxerr.debugging())
+ textcache.show(lyxerr, "BufferView::buffer");
+
+ bv_->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(bv_);
+ owner_->getMenus()->showMenus();
+ // If we don't have a text object for this, we make one
+ if (bv_->text == 0) {
+ resizeCurrentBuffer();
+ } else {
+ updateScreen();
+ updateScrollbar();
+ }
+ bv_->text->first = screen_->TopCursorVisible(bv_->text);
+ redraw();
+ owner_->getDialogs()->updateBufferDependent();
+ bv_->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::Pimpl::resize(int xpos, int ypos, int width, int height)
+{
+ workarea_->resize(xpos, ypos, width, height);
+ update(SELECT);
+ redraw();
+}
+
+
+void BufferView::Pimpl::resize()
+{
+ // This will resize the buffer. (Asger)
+ if (buffer_)
+ resizeCurrentBuffer();
+}
+
+
+void BufferView::Pimpl::redraw()
+{
+ lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
+ workarea_->redraw();
+}
+
+
+bool BufferView::Pimpl::fitCursor()
+{
+ Assert(screen_); // it is a programming error to call fitCursor
+ // without a valid screen.
+ bool ret = screen_->FitCursor(bv_->text);
+ if (ret) updateScrollbar();
+ return ret;
+}
+
+
+void BufferView::Pimpl::redoCurrentBuffer()
+{
+ lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
+ if (buffer_ && bv_->text) {
+ resize();
+ owner_->updateLayoutChoice();
+ }
+}
+
+
+int BufferView::Pimpl::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(bv_);
+
+ owner_->getMiniBuffer()->Set(_("Formatting document..."));
+
+ if (bv_->text) {
+ par = bv_->text->cursor.par();
+ pos = bv_->text->cursor.pos();
+ selstartpar = bv_->text->sel_start_cursor.par();
+ selstartpos = bv_->text->sel_start_cursor.pos();
+ selendpar = bv_->text->sel_end_cursor.par();
+ selendpos = bv_->text->sel_end_cursor.pos();
+ selection = bv_->text->selection;
+ mark_set = bv_->text->mark_set;
+ delete bv_->text;
+ bv_->text = new LyXText(bv_);
+ } else {
+ // See if we have a text in TextCache that fits
+ // the new buffer_ with the correct width.
+ bv_->text = textcache.findFit(buffer_, workarea_->workWidth());
+ if (bv_->text) {
+ if (lyxerr.debugging()) {
+ lyxerr << "Found a LyXText that fits:\n";
+ textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea_->workWidth(), bv_->text)));
+ }
+ // Set the owner of the newly found text
+ // bv_->text->owner(bv_);
+ if (lyxerr.debugging())
+ textcache.show(lyxerr, "resizeCurrentBuffer");
+ } else {
+ bv_->text = new LyXText(bv_);
+ }
+ }
+ updateScreen();
+
+ if (par) {
+ bv_->text->selection = true;
+ /* at this point just to avoid the Delete-Empty-Paragraph
+ * Mechanism when setting the cursor */
+ bv_->text->mark_set = mark_set;
+ if (selection) {
+ bv_->text->SetCursor(bv_, selstartpar, selstartpos);
+ bv_->text->sel_cursor = bv_->text->cursor;
+ bv_->text->SetCursor(bv_, selendpar, selendpos);
+ bv_->text->SetSelection();
+ bv_->text->SetCursor(bv_, par, pos);
+ } else {
+ bv_->text->SetCursor(bv_, par, pos);
+ bv_->text->sel_cursor = bv_->text->cursor;
+ bv_->text->selection = false;
+ }
+ }
+ bv_->text->first = screen_->TopCursorVisible(bv_->text);
+ /* this will scroll the
+ * screen such that the
+ * cursor becomes
+ * visible */
+ updateScrollbar();
+ redraw();
+ owner_->getMiniBuffer()->Init();
+ bv_->setState();
+ AllowInput(bv_);
+
+ // Now if the title form still exist kill it
+ TimerCB(0, 0);
+
+ return 0;
}
+
+void BufferView::Pimpl::gotoError()
+{
+ if (!screen_)
+ return;
+
+ screen_->HideCursor();
+ bv_->beforeChange();
+ update(BufferView::SELECT|BufferView::FITCUR);
+ LyXCursor tmp;
+
+ if (!bv_->text->GotoNextError(bv_)) {
+ if (bv_->text->cursor.pos()
+ || bv_->text->cursor.par() != bv_->text->FirstParagraph()) {
+ tmp = bv_->text->cursor;
+ bv_->text->cursor.par(bv_->text->FirstParagraph());
+ bv_->text->cursor.pos(0);
+ if (!bv_->text->GotoNextError(bv_)) {
+ bv_->text->cursor = tmp;
+ owner_->getMiniBuffer()
+ ->Set(_("No more errors"));
+ LyXBell();
+ }
+ } else {
+ owner_->getMiniBuffer()->Set(_("No more errors"));
+ LyXBell();
+ }
+ }
+ update(BufferView::SELECT|BufferView::FITCUR);
+ bv_->text->sel_cursor = bv_->text->cursor;
+}
+
+
void BufferView::Pimpl::updateScreen()
{
// Regenerate the screen.
- delete screen;
- screen = new LyXScreen(*workarea, bv_->text);
+ delete screen_;
+ screen_ = new LyXScreen(*workarea_);
}
-void BufferView::Pimpl::create_view()
+void BufferView::Pimpl::updateScrollbar()
{
- FL_OBJECT * obj;
+ /* 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 unsigned long max2 = 0;
+ static unsigned long height2 = 0;
+
+ unsigned long cbth = 0;
+ long cbsf = 0;
+
+ if (bv_->text) {
+ cbth = bv_->text->height;
+ cbsf = bv_->text->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, bv_->text->height - workarea_->height());
+ double lineh = bv_->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;
- //
- // TIMERS
- //
+ workarea_->setScrollbar(slider_value, slider_size / workarea_->height());
+}
+
+
+// Callback for scrollbar slider
+void BufferView::Pimpl::scrollCB(double value)
+{
+ extern bool cursor_follows_scrollbar;
- // 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 = bv_;
+ if (buffer_ == 0) return;
+
+ current_scrollbar_value = long(value);
+ if (current_scrollbar_value < 0)
+ current_scrollbar_value = 0;
+
+ if (!screen_)
+ return;
+
+ screen_->Draw(bv_->text, current_scrollbar_value);
+
+ if (cursor_follows_scrollbar) {
+ LyXText * vbt = bv_->text;
+ unsigned int height = vbt->DefaultHeight();
+
+ if (vbt->cursor.y() < bv_->text->first + height) {
+ vbt->SetCursorFromCoordinates(bv_, 0,
+ bv_->text->first +
+ height);
+ } else if (vbt->cursor.y() >
+ bv_->text->first + workarea_->height() - height) {
+ vbt->SetCursorFromCoordinates(bv_, 0,
+ bv_->text->first +
+ workarea_->height() -
+ height);
+ }
+ }
+ waitForX();
}
int BufferView::Pimpl::scrollUp(long time)
{
if (buffer_ == 0) return 0;
- if (!screen) return 0;
+ if (!screen_) return 0;
- double value = workarea->getScrollbarValue();
+ double value = workarea_->getScrollbarValue();
if (value == 0) return 0;
float add_value = (bv_->text->DefaultHeight()
+ float(time) * float(time) * 0.125);
- if (add_value > workarea->height())
- add_value = float(workarea->height() -
+ if (add_value > workarea_->height())
+ add_value = float(workarea_->height() -
bv_->text->DefaultHeight());
value -= add_value;
if (value < 0)
value = 0;
- workarea->setScrollbarValue(value);
+ workarea_->setScrollbarValue(value);
bv_->scrollCB(value);
return 0;
int BufferView::Pimpl::scrollDown(long time)
{
if (buffer_ == 0) return 0;
- if (!screen) return 0;
+ if (!screen_) return 0;
- double value= workarea->getScrollbarValue();
- pair<double, double> p = workarea->getScrollbarBounds();
+ double value= workarea_->getScrollbarValue();
+ pair<float, float> p = workarea_->getScrollbarBounds();
double max = p.second;
if (value == max) return 0;
float add_value = (bv_->text->DefaultHeight()
+ float(time) * float(time) * 0.125);
- if (add_value > workarea->height())
- add_value = float(workarea->height() -
+ if (add_value > workarea_->height())
+ add_value = float(workarea_->height() -
bv_->text->DefaultHeight());
value += add_value;
if (value > max)
value = max;
- workarea->setScrollbarValue(value);
+ workarea_->setScrollbarValue(value);
bv_->scrollCB(value);
return 0;
}
-void BufferView::Pimpl::scrollUpOnePage()
-{
- if (buffer_ == 0) return;
- if (!screen) return;
-
- long y = screen->first;
-
- if (!y) return;
-
- Row * row = bv_->text->GetRowNearY(y);
-
- y = y - workarea->height() + row->height;
-
- workarea->setScrollbarValue(y);
-
- bv_->scrollCB(y);
-}
-
-
-void BufferView::Pimpl::scrollDownOnePage()
+void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
{
- if (buffer_ == 0) return;
- if (!screen) return;
-
- long y = screen->first;
-
- if (y > bv_->text->height - workarea->height())
+ // Only use motion with button 1
+ if (!(state & Button1MotionMask))
return;
-
- y += workarea->height();
- bv_->text->GetRowNearY(y);
-
- workarea->setScrollbarValue(y);
-
- bv_->scrollCB(y);
-}
-
-void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
-{
- if (buffer_ == 0 || !screen) return;
+ if (buffer_ == 0 || !screen_) return;
// Check for inset locking
if (bv_->the_locking_inset) {
LyXCursor cursor = bv_->text->cursor;
bv_->the_locking_inset->
InsetMotionNotify(bv_,
- x - cursor.x,
- y - cursor.y,
+ x - cursor.x(),
+ y - cursor.y() + bv_->text->first,
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();
+ screen_->HideCursor();
- bv_->text->SetCursorFromCoordinates(x, y + screen->first);
+ bv_->text->SetCursorFromCoordinates(bv_, x, y + bv_->text->first);
if (!bv_->text->selection)
- bv_->update(-3); // Maybe an empty line was deleted
+ update(BufferView::UPDATE); // Maybe an empty line was deleted
bv_->text->SetSelection();
- screen->ToggleToggle();
- if (screen->FitCursor())
- bv_->updateScrollbar();
- screen->ShowCursor();
+ screen_->ToggleToggle(bv_->text);
+ fitCursor();
+ screen_->ShowCursor(bv_->text);
}
return;
}
// Single-click on work area
-void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos, unsigned int button)
+void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
+ unsigned int button)
{
last_click_x = -1;
last_click_y = -1;
- if (buffer_ == 0 || !screen) return;
+ if (buffer_ == 0 || !screen_) return;
- Inset * inset_hit = checkInsetHit(xpos, ypos, button);
+ Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos, button);
// ok ok, this is a hack.
if (button == 4 || button == 5) {
if (!inset_hit)
selection_possible = true;
- screen->HideCursor();
-
+ screen_->HideCursor();
+
+#ifndef NEW_TABULAR
// Right button mouse click on a table
if (button == 3 &&
- (bv_->text->cursor.par->table ||
- bv_->text->MouseHitInTable(xpos, ypos + screen->first))) {
+ (bv_->text->cursor.par()->table ||
+ bv_->text->MouseHitInTable(bv_, xpos, ypos + bv_->text->first))) {
// Set the cursor to the press-position
- bv_->text->SetCursorFromCoordinates(xpos, ypos + screen->first);
+ bv_->text->SetCursorFromCoordinates(bv_, xpos, ypos + bv_->text->first);
bool doit = true;
// Only show the table popup if the hit is in
// the table, too
- if (!bv_->text->HitInTable(bv_->text->cursor.row, xpos))
+ if (!bv_->text->HitInTable(bv_,
+ bv_->text->cursor.row(), xpos))
doit = false;
// Hit above or below the table?
if (doit) {
if (!bv_->text->selection) {
- screen->ToggleSelection();
+ screen_->ToggleSelection(bv_->text);
bv_->text->ClearSelection();
- bv_->text->FullRebreak();
- screen->Update();
- bv_->updateScrollbar();
+ bv_->text->FullRebreak(bv_);
+ screen_->Update(bv_->text);
+ updateScrollbar();
}
// Popup table popup when on a table.
// This is obviously temporary, since we
return;
}
}
+#endif
- int screen_first = screen->first;
+ int screen_first = bv_->text->first;
// Middle button press pastes if we have a selection
bool paste_internally = false;
}
// Clear the selection
- screen->ToggleSelection();
+ screen_->ToggleSelection(bv_->text);
bv_->text->ClearSelection();
- bv_->text->FullRebreak();
- screen->Update();
- bv_->updateScrollbar();
+ bv_->text->FullRebreak(bv_);
+ screen_->Update(bv_->text);
+ updateScrollbar();
// Single left click in math inset?
if ((inset_hit != 0) &&
}
if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
- bv_->text->SetCursorFromCoordinates(xpos, ypos + screen_first);
+ bv_->text->SetCursorFromCoordinates(bv_, xpos, ypos + screen_first);
bv_->text->FinishUndo();
bv_->text->sel_cursor = bv_->text->cursor;
- bv_->text->cursor.x_fix = bv_->text->cursor.x;
+ bv_->text->cursor.x_fix(bv_->text->cursor.x());
owner_->updateLayoutChoice();
- if (screen->FitCursor()){
- bv_->updateScrollbar();
+ if (fitCursor()) {
selection_possible = false;
}
{
// select a word
if (buffer_ && !bv_->the_locking_inset) {
- if (screen && button == 1) {
- screen->HideCursor();
- screen->ToggleSelection();
- bv_->text->SelectWord();
- screen->ToggleSelection(false);
+ if (screen_ && button == 1) {
+ screen_->HideCursor();
+ screen_->ToggleSelection(bv_->text);
+ bv_->text->SelectWord(bv_);
+ screen_->ToggleSelection(bv_->text, false);
/* This will fit the cursor on the screen
* if necessary */
- bv_->update(0);
+ update(BufferView::SELECT|BufferView::FITCUR);
}
}
}
void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
{
// select a line
- if (buffer_ && screen && button == 1) {
- screen->HideCursor();
- screen->ToggleSelection();
- bv_->text->CursorHome();
+ if (buffer_ && screen_ && button == 1) {
+ screen_->HideCursor();
+ screen_->ToggleSelection(bv_->text);
+ bv_->text->CursorHome(bv_);
bv_->text->sel_cursor = bv_->text->cursor;
- bv_->text->CursorEnd();
+ bv_->text->CursorEnd(bv_);
bv_->text->SetSelection();
- screen->ToggleSelection(false);
+ screen_->ToggleSelection(bv_->text, false);
/* This will fit the cursor on the screen
* if necessary */
- bv_->update(0);
+ update(BufferView::SELECT|BufferView::FITCUR);
}
}
-void BufferView::Pimpl::workAreaButtonRelease(int x, int y, unsigned int button)
+void BufferView::Pimpl::enterView()
{
- if (buffer_ == 0 || screen == 0) return;
+ if (active() && available()) {
+ SetXtermCursor(workarea_->getWin());
+ using_xterm_cursor = true;
+ }
+}
+
+
+void BufferView::Pimpl::leaveView()
+{
+ if (using_xterm_cursor) {
+ XUndefineCursor(fl_display, workarea_->getWin());
+ using_xterm_cursor = false;
+ }
+}
+
+
+void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
+ unsigned int button)
+{
+ 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);
+ Inset * inset_hit = checkInsetHit(bv_->text, x, y, button);
if (bv_->the_locking_inset) {
// We are in inset locking mode.
}
selection_possible = false;
- if (bv_->text->cursor.par->table) {
+#ifndef NEW_TABULAR
+ if (bv_->text->cursor.par()->table) {
int cell = bv_->text->
- NumberOfCell(bv_->text->cursor.par,
- bv_->text->cursor.pos);
- if (bv_->text->cursor.par->table->IsContRow(cell) &&
- bv_->text->cursor.par->table->
- CellHasContRow(bv_->text->cursor.par->table->
+ NumberOfCell(bv_->text->cursor.par(),
+ bv_->text->cursor.pos());
+ if (bv_->text->cursor.par()->table->IsContRow(cell) &&
+ bv_->text->cursor.par()->table->
+ CellHasContRow(bv_->text->cursor.par()->table->
GetCellAbove(cell))<0) {
- bv_->text->CursorUp();
+ bv_->text->CursorUp(bv_);
}
}
+#endif
if (button >= 2) return;
bv_->setState();
- owner_->getMiniBuffer()->Set(CurrentState());
+ owner_->getMiniBuffer()->Set(CurrentState(bv_));
// 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
+
+ // CHECK fix this proper in 0.13
+
// Following a ref shouldn't issue
// a push on the undo-stack
// anylonger, now that we have
// ...or maybe the SetCursorParUndo()
// below isn't necessary at all anylonger?
if (inset_hit->LyxCode() == Inset::REF_CODE) {
- bv_->text->SetCursorParUndo();
+ bv_->text->SetCursorParUndo(bv_->buffer());
}
owner_->getMiniBuffer()->Set(inset_hit->EditMessage());
UpdatableInset *inset = (UpdatableInset *)inset_hit;
inset->InsetButtonRelease(bv_, x, y, button);
} else {
+ inset_hit->InsetButtonRelease(bv_, x, y, button);
inset_hit->Edit(bv_, x, y, button);
}
return;
if (bv_->text) {
bool hit = false;
char c = ' ';
- if (bv_->text->cursor.pos <
- bv_->text->cursor.par->Last()) {
- c = bv_->text->cursor.par->
- GetChar(bv_->text->cursor.pos);
+ if (bv_->text->cursor.pos() <
+ bv_->text->cursor.par()->Last()) {
+ c = bv_->text->cursor.par()->
+ GetChar(bv_->text->cursor.pos());
}
if (c == LyXParagraph::META_FOOTNOTE
|| c == LyXParagraph::META_MARGIN
|| c == LyXParagraph::META_WIDE_TAB
|| c == LyXParagraph::META_ALGORITHM){
hit = true;
- } else if (bv_->text->cursor.pos - 1 >= 0) {
- c = bv_->text->cursor.par->
- GetChar(bv_->text->cursor.pos - 1);
+ } else if (bv_->text->cursor.pos() - 1 >= 0) {
+ c = bv_->text->cursor.par()->
+ GetChar(bv_->text->cursor.pos() - 1);
if (c == LyXParagraph::META_FOOTNOTE
|| c == LyXParagraph::META_MARGIN
|| c == LyXParagraph::META_FIG
|| c == LyXParagraph::META_WIDE_TAB
|| c == LyXParagraph::META_ALGORITHM){
// We are one step too far to the right
- bv_->text->CursorLeft();
+ bv_->text->CursorLeft(bv_);
hit = true;
}
}
}
// Do we want to close a float? (click on the float-label)
- if (bv_->text->cursor.row->par->footnoteflag ==
+ if (bv_->text->cursor.row()->par()->footnoteflag ==
LyXParagraph::OPEN_FOOTNOTE
- //&& text->cursor.pos == 0
- && bv_->text->cursor.row->previous &&
- bv_->text->cursor.row->previous->par->
+ && bv_->text->cursor.row()->previous() &&
+ bv_->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 += lyxfont::width(" wide-tab ", font);
- int screen_first = screen->first;
+ unsigned int screen_first = bv_->text->first;
if (x < box_x
- && y + screen_first > bv_->text->cursor.y -
- bv_->text->cursor.row->baseline
- && y + screen_first < bv_->text->cursor.y -
- bv_->text->cursor.row->baseline
+ && y + screen_first > bv_->text->cursor.y() -
+ bv_->text->cursor.row()->baseline()
+ && y + screen_first < bv_->text->cursor.y() -
+ bv_->text->cursor.row()->baseline()
+ lyxfont::maxAscent(font) * 1.2 + lyxfont::maxDescent(font) * 1.2) {
bv_->toggleFloat();
selection_possible = false;
}
// Maybe we want to edit a bibitem ale970302
- if (bv_->text->cursor.par->bibkey && x < 20 +
+ if (bv_->text->cursor.par()->bibkey && x < 20 +
bibitemMaxWidth(bv_->painter(),
textclasslist
.TextClass(buffer_->
params.textclass).defaultfont())) {
- bv_->text->cursor.par->bibkey->Edit(bv_, 0, 0, 0);
+ bv_->text->cursor.par()->bibkey->Edit(bv_, 0, 0, 0);
}
return;
* If hit, the coordinates are changed relative to the inset.
* Otherwise coordinates are not changed, and false is returned.
*/
-Inset * BufferView::Pimpl::checkInsetHit(int & x, int & y, unsigned int button)
+Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y,
+ unsigned int /* button */)
{
- if (!screen)
+ if (!screen_)
return 0;
- int y_tmp = y + screen->first;
+ unsigned int y_tmp = y + text->first;
LyXCursor cursor;
- bv_->text->SetCursorFromCoordinates(cursor, x, y_tmp);
-#if 1
- bool move_cursor = true;
-#else
- bool move_cursor = ((cursor.par != bv_->text->cursor.par) ||
- (cursor.pos != bv_->text->cursor.pos)) && (button < 2);
+ text->SetCursorFromCoordinates(bv_, cursor, x, y_tmp);
+#if 0 // Are you planning to use this Jürgen? (Lgb)
+ bool move_cursor = ((cursor.par != text->cursor.par) ||
+ (cursor.pos != text->cursor.pos()));
#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()) {
+ 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 = bv_->text->GetFont(cursor.par, cursor.pos);
+ Inset * tmpinset = cursor.par()->GetInset(cursor.pos());
+ LyXFont font = text->GetFont(bv_->buffer(),
+ cursor.par(), cursor.pos());
bool is_rtl = font.isVisibleRightToLeft();
int start_x, end_x;
if (is_rtl) {
- start_x = cursor.x - tmpinset->width(bv_->painter(), font);
- end_x = cursor.x;
+ start_x = cursor.x() - tmpinset->width(bv_->painter(), font);
+ end_x = cursor.x();
} else {
- start_x = cursor.x;
- end_x = cursor.x + tmpinset->width(bv_->painter(), font);
+ start_x = cursor.x();
+ end_x = cursor.x() + tmpinset->width(bv_->painter(), font);
}
if (x > start_x && x < end_x
- && y_tmp > cursor.y - tmpinset->ascent(bv_->painter(), font)
- && y_tmp < cursor.y + tmpinset->descent(bv_->painter(), font)) {
- if (move_cursor)
- bv_->text->SetCursorFromCoordinates(x, y_tmp);
+ && y_tmp > cursor.y() - tmpinset->ascent(bv_->painter(), font)
+ && y_tmp < cursor.y() + tmpinset->descent(bv_->painter(), font)) {
+#if 0
+ if (move_cursor && (tmpinset != bv_->the_locking_inset))
+#endif
+ text->SetCursor(bv_, cursor.par(),cursor.pos(),true);
x = x - start_x;
// The origin of an inset is on the baseline
- y = y_tmp - (bv_->text->cursor.y);
+ 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 = bv_->text->GetFont(cursor.par, cursor.pos-1);
+ 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(bv_->buffer(), cursor.par(),
+ cursor.pos()-1);
bool is_rtl = font.isVisibleRightToLeft();
int start_x, end_x;
if (!is_rtl) {
- start_x = cursor.x - tmpinset->width(bv_->painter(), font);
- end_x = cursor.x;
+ start_x = cursor.x() - tmpinset->width(bv_->painter(), font);
+ end_x = cursor.x();
} else {
- start_x = cursor.x;
- end_x = cursor.x + tmpinset->width(bv_->painter(), font);
+ start_x = cursor.x();
+ end_x = cursor.x() + tmpinset->width(bv_->painter(), font);
}
if (x > start_x && x < end_x
- && y_tmp > cursor.y - tmpinset->ascent(bv_->painter(), font)
- && y_tmp < cursor.y + tmpinset->descent(bv_->painter(), font)) {
- if (move_cursor)
- bv_->text->SetCursorFromCoordinates(x, y_tmp);
+ && y_tmp > cursor.y() - tmpinset->ascent(bv_->painter(), font)
+ && y_tmp < cursor.y() + tmpinset->descent(bv_->painter(), font)) {
+#if 0
+ if (move_cursor && (tmpinset != bv_->the_locking_inset))
+#endif
+ text->SetCursor(bv_, cursor.par(),cursor.pos()-1,true);
x = x - start_x;
// The origin of an inset is on the baseline
- y = y_tmp - (bv_->text->cursor.y);
+ y = y_tmp - (text->cursor.y());
return tmpinset;
}
}
// redraw();
//}
- static int work_area_width = -1;
- static int work_area_height = -1;
+ static int work_area_width = 0;
+ static unsigned int work_area_height = 0;
- bool widthChange = workarea->workWidth() != work_area_width;
- bool heightChange = workarea->height() != work_area_height;
+ 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();
+ work_area_width = workarea_->workWidth();
+ work_area_height = workarea_->height();
if (buffer_ != 0) {
if (widthChange) {
// All buffers need a resize
// fitCursor() ensures we don't jump back
// to the start of the document on vertical
// resize
- bv_->fitCursor();
+ fitCursor();
// The main window size has changed, repaint most stuff
- bv_->redraw();
+ redraw();
// ...including the minibuffer
owner_->getMiniBuffer()->Init();
- } else if (screen) screen->Redraw();
+ } else if (screen_) screen_->Redraw(bv_->text);
} else {
// Grey box when we don't have a buffer
- workarea->greyOut();
+ workarea_->greyOut();
}
// always make sure that the scrollbar is sane.
- bv_->updateScrollbar();
+ updateScrollbar();
owner_->updateLayoutChoice();
return;
}
-static
-string fromClipboard(Window win, XEvent * event)
-{
- 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;
+void BufferView::Pimpl::update()
+{
+ if (screen_) screen_->Update(bv_->text);
+}
+
+// Values used when calling update:
+// -3 - update
+// -2 - update, move sel_cursor if selection, fitcursor
+// -1 - update, move sel_cursor if selection, fitcursor, mark dirty
+// 0 - update, move sel_cursor if selection, fitcursor
+// 1 - update, move sel_cursor if selection, fitcursor, mark dirty
+// 3 - update, move sel_cursor if selection
+//
+// update -
+// a simple redraw of the parts that need refresh
+//
+// move sel_cursor if selection -
+// the text's sel_cursor is moved if there is selection is progress
+//
+// fitcursor -
+// fitCursor() is called and the scrollbar updated
+//
+// mark dirty -
+// the buffer is marked dirty.
+//
+// enum {
+// UPDATE = 0,
+// SELECT = 1,
+// FITCUR = 2,
+// CHANGE = 4
+// };
+//
+// UPDATE_ONLY = UPDATE;
+// UPDATE_SELECT = UPDATE | SELECT;
+// UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
+// UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
+//
+// update(-3) -> update(0) -> update(0) -> update(UPDATE)
+// update(-2) -> update(1 + 2) -> update(3) -> update(SELECT|FITCUR)
+// update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
+// update(1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
+// update(3) -> update(1) -> update(1) -> update(SELECT)
+
+void BufferView::Pimpl::update(BufferView::UpdateCodes f)
+{
+ owner_->updateLayoutChoice();
+
+ if (!bv_->text->selection && (f & SELECT)) {
+ bv_->text->sel_cursor = bv_->text->cursor;
+ }
+
+ bv_->text->FullRebreak(bv_);
+
+ update();
+
+ if ((f & FITCUR)) {
+ fitCursor();
+ }
+
+ if ((f & CHANGE)) {
+ if (buffer_->isLyxClean()) {
+ buffer_->markDirty();
+ owner_->getMiniBuffer()->setTimer(4);
+ } else {
+ buffer_->markDirty();
}
}
- return strret;
}
-void BufferView::Pimpl::workAreaSelectionNotify(Window win, XEvent * event)
+// Callback for cursor timer
+void BufferView::Pimpl::cursorToggle()
+{
+ // Quite a nice place for asyncron Inset updating, isn't it?
+ // Actually no! This is run even if no buffer exist... so (Lgb)
+ if (!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);
+ }
+
+ updatelist.update(bv_);
+
+ if (!screen_) {
+ goto set_timer_and_return;
+ }
+
+ if (!bv_->the_locking_inset) {
+ screen_->CursorToggle(bv_->text);
+ } else {
+ bv_->the_locking_inset->
+ ToggleInsetCursor(bv_);
+ }
+
+ set_timer_and_return:
+ cursor_timeout.restart();
+ return;
+}
+
+
+void BufferView::Pimpl::cursorPrevious()
+{
+ if (!bv_->text->cursor.row()->previous()) return;
+
+ long y = bv_->text->first;
+ Row * cursorrow = bv_->text->cursor.row();
+ bv_->text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
+ bv_->text->FinishUndo();
+ // This is to allow jumping over large insets
+ if ((cursorrow == bv_->text->cursor.row()))
+ bv_->text->CursorUp(bv_);
+
+ if (bv_->text->cursor.row()->height() < workarea_->height())
+ screen_->Draw(bv_->text,
+ bv_->text->cursor.y()
+ - bv_->text->cursor.row()->baseline()
+ + bv_->text->cursor.row()->height()
+ - workarea_->height() + 1 );
+ updateScrollbar();
+}
+
+
+void BufferView::Pimpl::cursorNext()
+{
+ if (!bv_->text->cursor.row()->next()) return;
+
+ long y = bv_->text->first;
+ bv_->text->GetRowNearY(y);
+ Row * cursorrow = bv_->text->cursor.row();
+ bv_->text->SetCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y
+ + workarea_->height());
+ bv_->text->FinishUndo();
+ // This is to allow jumping over large insets
+ if ((cursorrow == bv_->text->cursor.row()))
+ bv_->text->CursorDown(bv_);
+
+ if (bv_->text->cursor.row()->height() < workarea_->height())
+ screen_->Draw(bv_->text, bv_->text->cursor.y()
+ - bv_->text->cursor.row()->baseline());
+ updateScrollbar();
+}
+
+
+bool BufferView::Pimpl::available() const
+{
+ if (buffer_ && bv_->text) return true;
+ return false;
+}
+
+
+void BufferView::Pimpl::beforeChange()
+{
+ toggleSelection();
+ bv_->text->ClearSelection();
+
+ // CHECK
+ //owner_->update_timeout.stop();
+}
+
+
+void BufferView::Pimpl::savePosition()
+{
+ backstack.push(buffer_->fileName(),
+ bv_->text->cursor.x(),
+ bv_->text->cursor.y());
+}
+
+
+void BufferView::Pimpl::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);
+ bv_->text->SetCursorFromCoordinates(bv_, x, y);
+ update(BufferView::SELECT|BufferView::FITCUR);
+}
+
+
+bool BufferView::Pimpl::NoSavedPositions()
+{
+ return backstack.empty();
+}
+
+
+void BufferView::Pimpl::setState()
+{
+ if (!lyxrc.rtl_support)
+ return;
+
+ if (bv_->text->real_current_font.isRightToLeft() &&
+ bv_->text->real_current_font.latex() != LyXFont::ON) {
+ if (owner_->getIntl()->primarykeymap)
+ owner_->getIntl()->KeyMapSec();
+ } else {
+ if (!owner_->getIntl()->primarykeymap)
+ owner_->getIntl()->KeyMapPrim();
+ }
+}
+
+
+void BufferView::Pimpl::insetSleep()
+{
+ if (bv_->the_locking_inset && !bv_->inset_slept) {
+ bv_->the_locking_inset->GetCursorPos(bv_, bv_->slx, bv_->sly);
+ bv_->the_locking_inset->InsetUnlock(bv_);
+ bv_->inset_slept = true;
+ }
+}
+
+
+void BufferView::Pimpl::insetWakeup()
+{
+ if (bv_->the_locking_inset && bv_->inset_slept) {
+ bv_->the_locking_inset->Edit(bv_, bv_->slx, bv_->sly, 0);
+ bv_->inset_slept = false;
+ }
+}
+
+
+void BufferView::Pimpl::insetUnlock()
+{
+ if (bv_->the_locking_inset) {
+ if (!bv_->inset_slept) bv_->the_locking_inset->InsetUnlock(bv_);
+ bv_->the_locking_inset = 0;
+ bv_->text->FinishUndo();
+ bv_->inset_slept = false;
+ }
+}
+
+
+bool BufferView::Pimpl::focus() const
+{
+ return workarea_->hasFocus();
+}
+
+
+void BufferView::Pimpl::focus(bool f)
+{
+ if (f) workarea_->setFocus();
+}
+
+
+bool BufferView::Pimpl::active() const
+{
+ return workarea_->active();
+}
+
+
+bool BufferView::Pimpl::belowMouse() const
+{
+ return workarea_->belowMouse();
+}
+
+
+void BufferView::Pimpl::showCursor()
+{
+ if (screen_)
+ screen_->ShowCursor(bv_->text);
+}
+
+
+void BufferView::Pimpl::hideCursor()
+{
+ if (screen_)
+ screen_->HideCursor();
+}
+
+
+void BufferView::Pimpl::toggleSelection(bool b)
+{
+ if (screen_)
+ screen_->ToggleSelection(bv_->text, b);
+}
+
+
+void BufferView::Pimpl::toggleToggle()
+{
+ if (screen_)
+ screen_->ToggleToggle(bv_->text);
+}
+
+
+void BufferView::Pimpl::center()
+{
+ beforeChange();
+ if (bv_->text->cursor.y() > workarea_->height() / 2) {
+ screen_->Draw(bv_->text, bv_->text->cursor.y() - workarea_->height() / 2);
+ } else {
+ screen_->Draw(bv_->text, 0);
+ }
+ update(BufferView::SELECT|BufferView::FITCUR);
+ redraw();
+}
+
+
+void BufferView::Pimpl::pasteClipboard(bool asPara)
{
if (buffer_ == 0) return;
- screen->HideCursor();
+ screen_->HideCursor();
bv_->beforeChange();
- string clb = fromClipboard(win, event);
- if (!clb.empty()) {
- if (!ascii_type)
- bv_->text->InsertStringA(clb);
- else
- bv_->text->InsertStringB(clb);
+
+ string clip(workarea_->getClipboard());
+
+ if (clip.empty()) return;
- bv_->update(1);
+ if (asPara) {
+ bv_->text->InsertStringB(bv_, clip);
+ } else {
+ bv_->text->InsertStringA(bv_, clip);
}
+ update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
+
+void BufferView::Pimpl::stuffClipboard(string const & stuff) const
+{
+ workarea_->putClipboard(stuff);
+}