// -*- C++ -*-
/* This file is part of
- * ======================================================
+ * ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
- * Copyright 1995-1999 The LyX Team.
+ * Copyright 1995-2000 The LyX Team.
*
- * ======================================================*/
+ * ====================================================== */
#include <config.h>
-#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 "minibuffer.h"
-#include "lyxscreen.h"
-#include "up.xpm"
-#include "down.xpm"
-#include "error.h"
-#include "lyxdraw.h"
-#include "lyx_gui_misc.h"
-#include "BackStack.h"
+#include "BufferView_pimpl.h"
#include "lyxtext.h"
-#include "lyx_cb.h"
-#include "gettext.h"
-
-extern BufferList bufferlist;
-void sigchldhandler(pid_t pid, int *status);
-
-extern void SetXtermCursor(Window win);
-extern bool input_prohibited;
-extern bool selection_possible;
-extern void BeforeChange();
-extern char ascii_type;
-extern int UnlockInset(UpdatableInset* inset);
-extern void ToggleFloat();
-extern void MenuPasteSelection(char at);
-extern InsetUpdateStruct *InsetUpdateList;
-extern void UpdateInsetUpdateList();
-
-// This is _very_ temporary
-FL_OBJECT *figinset_canvas;
-
-BufferView::BufferView(LyXView *o, int xpos, int ypos,
+#include "WorkArea.h"
+#include "lyxscreen.h"
+
+
+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;
-
- screen = 0;
- work_area = 0;
- figinset_canvas = 0;
- scrollbar = 0;
- button_down = 0;
- button_up = 0;
- timer_cursor = 0;
- current_scrollbar_value = 0;
- create_view(xpos, ypos, width, height);
- // Activate the timer for the cursor
- fl_set_timer(timer_cursor, 0.4);
- fl_set_focus_object(_owner->getForm(), work_area);
- work_area_focus = true;
- lyx_focus = false;
- backstack = new BackStack(16);
+ text = 0;
+ inset_slept = false;
}
BufferView::~BufferView()
{
- delete backstack;
-}
+ delete text;
+ delete pimpl_;
+}
-void BufferView::setBuffer(Buffer *b)
+Buffer * BufferView::buffer() const
{
- lyxerr.debug("Setting buffer in BufferView");
- if (_buffer) {
- _buffer->InsetSleep();
- _buffer->delUser(this);
- }
-
- // Set current buffer
- _buffer = b;
-
- if (bufferlist.getState() == BufferList::CLOSING) return;
-
- // Nuke old image
- if (screen)
- 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(string(" Buffer addr: ") + tostr(_buffer));
- _buffer->addUser(this);
- _owner->getMenus()->showMenus();
- // If we don't have a text object for this, we make one
- if (_buffer->text == 0)
- resizeCurrentBuffer();
- else {
- updateScreen();
- updateScrollbar();
- }
- screen->first = screen->TopCursorVisible();
- redraw();
- updateAllVisibleBufferRelatedPopups();
- _buffer->InsetWakeup();
- } else {
- lyxerr.debug(" No Buffer!");
- _owner->getMenus()->hideMenus();
- //workAreaExpose();
- updateScrollbar();
- fl_redraw_object(work_area);
- }
- // should update layoutchoice even if we don't have a buffer.
- _owner->updateLayoutChoice();
- _owner->getMiniBuffer()->Init();
- _owner->updateWindowTitle();
+ return pimpl_->buffer_;
}
-void BufferView::updateScreen()
+LyXScreen * BufferView::screen() const
{
- // Regenerate the screen.
- if (screen)
- delete screen;
- screen = new LyXScreen(FL_ObjWin(work_area),
- work_area->w,
- work_area->h,
- work_area->x,
- work_area->y,
- _buffer->text);
+ return pimpl_->screen_.get();
}
-void BufferView::resize()
+WorkArea * BufferView::workarea() const
+{
+ return &pimpl_->workarea_;
+}
+
+
+LyXView * BufferView::owner() const
+{
+ return pimpl_->owner_;
+}
+
+
+void BufferView::pushIntoUpdateList(Inset * i)
+{
+ pimpl_->updatelist.push(i);
+}
+
+
+Painter & BufferView::painter()
{
- // This will resize the buffer. (Asger)
- if (_buffer)
- resizeCurrentBuffer();
+ return pimpl_->painter();
}
-static bool lgb_hack = false;
+void BufferView::buffer(Buffer * b)
+{
+ pimpl_->buffer(b);
+}
+
+
+void BufferView::resize(int xpos, int ypos, int width, int height)
+{
+ pimpl_->resize(xpos, ypos, width, height);
+}
+
+
+void BufferView::resize()
+{
+ pimpl_->resize();
+}
+
void BufferView::redraw()
{
- lyxerr.debug("BufferView::redraw()");
- lgb_hack = true;
- fl_redraw_object(work_area);
- fl_redraw_object(scrollbar);
- fl_redraw_object(button_down);
- fl_redraw_object(button_up);
- lgb_hack = false;
+ pimpl_->redraw();
}
-void BufferView::fitCursor()
+void BufferView::fitCursor(LyXText * text)
{
- if (screen) screen->FitCursor();
+ pimpl_->fitCursor(text);
}
void BufferView::update()
{
- if (screen) screen->Update();
+ pimpl_->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) {
- fl_set_slider_value(scrollbar, 0);
- fl_set_slider_size(scrollbar, scrollbar->h);
- return;
- }
-
- static long max2 = 0;
- static long height2 = 0;
-
- long cbth = 0;
- long cbsf = 0;
-
- if (_buffer->text)
- cbth = _buffer->text->height;
- if (screen)
- cbsf = screen->first;
-
- // check if anything has changed.
- if (max2 == cbth &&
- height2 == work_area->h &&
- current_scrollbar_value == cbsf)
- return; // no
-
- max2 = cbth;
- height2 = work_area->h;
- current_scrollbar_value = cbsf;
-
- if (cbth <= height2) { // text is smaller than screen
- fl_set_slider_size(scrollbar, scrollbar->h);
- return;
- }
-
- long maximum_height = work_area->h * 3/4 + cbth;
- long value = cbsf;
-
- /* set the scrollbar */
- double hfloat = work_area->h;
- double maxfloat = maximum_height;
-
- fl_set_slider_value(scrollbar, value);
- fl_set_slider_bounds(scrollbar, 0,
- maximum_height - work_area->h);
-#if FL_REVISION > 85
- double lineh = _buffer->text->DefaultHeight();
- fl_set_slider_increment(scrollbar,work_area->h-lineh,lineh);
-#endif
- if (maxfloat>0){
- if ((hfloat/maxfloat) * (float) height2 < 3)
- fl_set_slider_size(scrollbar,
- 3/(float)height2);
- else
- fl_set_slider_size(scrollbar,
- hfloat/maxfloat);
- } else
- fl_set_slider_size(scrollbar, hfloat);
- fl_set_slider_precision(scrollbar, 0);
+ pimpl_->updateScrollbar();
+}
+
+
+void BufferView::scrollCB(double value)
+{
+ pimpl_->scrollCB(value);
+}
+
+
+Inset * BufferView::checkInsetHit(LyXText * text, int & x, int & y,
+ unsigned int button)
+{
+ return pimpl_->checkInsetHit(text, x, y, button);
}
void BufferView::redoCurrentBuffer()
{
- lyxerr.debug("BufferView::redoCurrentBuffer");
- if (_buffer && _buffer->text) {
- resize();
- _owner->updateLayoutChoice();
- }
+ pimpl_->redoCurrentBuffer();
}
int BufferView::resizeCurrentBuffer()
{
- lyxerr.debug("resizeCurrentBuffer");
-
- 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 (_buffer->text) {
- par = _buffer->text->cursor.par;
- pos = _buffer->text->cursor.pos;
- selstartpar = _buffer->text->sel_start_cursor.par;
- selstartpos = _buffer->text->sel_start_cursor.pos;
- selendpar = _buffer->text->sel_end_cursor.par;
- selendpos = _buffer->text->sel_end_cursor.pos;
- selection = _buffer->text->selection;
- mark_set = _buffer->text->mark_set;
- delete _buffer->text;
- }
- _buffer->text = new LyXText(work_area->w, _buffer);
-
- updateScreen();
-
- if (par) {
- _buffer->text->selection = true;
- /* at this point just
- * to avoid the Delete-
- * Empty-Paragraph
- * Mechanism when
- * setting the cursor */
- _buffer->text->mark_set = mark_set;
- if (selection) {
- _buffer->text->SetCursor(selstartpar, selstartpos);
- _buffer->text->sel_cursor = _buffer->text->cursor;
- _buffer->text->SetCursor(selendpar, selendpos);
- _buffer->text->SetSelection();
- _buffer->text->SetCursor(par, pos);
- } else {
- _buffer->text->SetCursor(par, pos);
- _buffer->text->sel_cursor = _buffer->text->cursor;
- _buffer->text->selection = false;
- }
- }
- screen->first = screen->TopCursorVisible(); /* this will scroll the
- * screen such that the
- * cursor becomes
- * visible */
- updateScrollbar();
- redraw();
- _owner->getMiniBuffer()->Init();
- AllowInput();
-
- // Now if the title form still exist kill it
- TimerCB(0,0);
-
- return 0;
+ return pimpl_->resizeCurrentBuffer();
}
-void BufferView::gotoError()
+void BufferView::cursorPrevious(LyXText * text)
{
- if (!screen)
- return;
-
- screen->HideCursor();
- BeforeChange();
- _buffer->update(-2);
- LyXCursor tmp;
-
- if (!_buffer->text->GotoNextError()) {
- if (_buffer->text->cursor.pos
- || _buffer->text->cursor.par !=
- _buffer->text->FirstParagraph()) {
- tmp = _buffer->text->cursor;
- _buffer->text->cursor.par =
- _buffer->text->FirstParagraph();
- _buffer->text->cursor.pos = 0;
- if (!_buffer->text->GotoNextError()) {
- _buffer->text->cursor = tmp;
- _owner->getMiniBuffer()->Set(_("No more errors"));
- LyXBell();
- }
- } else {
- _owner->getMiniBuffer()->Set(_("No more errors"));
- LyXBell();
- }
- }
- _buffer->update(0);
- _buffer->text->sel_cursor =
- _buffer->text->cursor;
+ pimpl_->cursorPrevious(text);
}
-void BufferView::create_view(int xpos, int ypos, int width, int height)
+void BufferView::cursorNext(LyXText * text)
{
- FL_OBJECT *obj;
- const int bw = abs(fl_get_border_width());
-
- // a hack for the figinsets (Matthias)
- // This one first, then it will probably be invisible. (Lgb)
- ::figinset_canvas = figinset_canvas = obj =
- fl_add_canvas(FL_NORMAL_CANVAS,
- xpos + 1,
- ypos + 1,1,1,"");
- fl_set_object_boxtype(obj,FL_NO_BOX);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthWestGravity, NorthWestGravity);
-
- // a box
- obj = fl_add_box(FL_BORDER_BOX, xpos, ypos,
- width - 15,
- height,"");
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
-
- // the free object
- work_area = obj = fl_add_free(FL_INPUT_FREE,
- xpos +bw, ypos+bw,
- width-15-2*bw /* scrollbarwidth */,
- height-2*bw,"",
- work_area_handler);
- obj->wantkey = FL_KEY_TAB;
- obj->u_vdata = this; /* This is how we pass the BufferView
- to the work_area_handler. */
- fl_set_object_boxtype(obj,FL_DOWN_BOX);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
-
- //
- // THE SCROLLBAR
- //
-
- // up - scrollbar button
-#if FL_REVISION > 85
- fl_set_border_width(-1);
-#else
- fl_set_border_width(-2); // to get visible feedback
-#endif
- button_up = obj = fl_add_pixmapbutton(FL_TOUCH_BUTTON,
- width-15+4*bw,
- ypos,
- 15,15,"");
- fl_set_object_boxtype(obj,FL_UP_BOX);
- fl_set_object_color(obj,FL_MCOL,FL_BLUE);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj,NorthEastGravity, NorthEastGravity);
- fl_set_object_callback(obj,UpCB,(long)this);
- fl_set_pixmapbutton_data(obj, up_xpm);
-
-#if FL_REVISION >85
- // Remove the blue feedback rectangle
- fl_set_pixmapbutton_focus_outline(obj,0);
-#endif
-
- // the scrollbar slider
- fl_set_border_width(-bw);
- scrollbar = obj = fl_add_slider(FL_VERT_SLIDER,
- width-15+4*bw,
- ypos + 15,
- 15,height-30,"");
- fl_set_object_color(obj,FL_COL1,FL_MCOL);
- fl_set_object_boxtype(obj, FL_UP_BOX);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthEastGravity, SouthEastGravity);
- fl_set_object_callback(obj,ScrollCB,(long)this);
-
- // down - scrollbar button
-#if FL_REVISION > 85
- fl_set_border_width(-1);
-#else
- fl_set_border_width(-2); // to get visible feedback
-#endif
- button_down = obj = fl_add_pixmapbutton(FL_TOUCH_BUTTON,
- width-15+4*bw,
- ypos + height-15,
- 15,15,"");
- fl_set_object_boxtype(obj,FL_UP_BOX);
- fl_set_object_color(obj,FL_MCOL,FL_BLUE);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, SouthEastGravity, SouthEastGravity);
- fl_set_object_callback(obj,DownCB,(long)this);
- fl_set_pixmapbutton_data(obj, down_xpm);
- fl_set_border_width(-bw);
-
-#if FL_REVISION >85
- // Remove the blue feedback rectangle
- fl_set_pixmapbutton_focus_outline(obj,0);
-#endif
-
- //
- // TIMERS
- //
-
- // timer_cursor
- timer_cursor = obj = fl_add_timer(FL_HIDDEN_TIMER,
- 0,0,0,0,"Timer");
- fl_set_object_callback(obj,CursorToggleCB,0);
- obj->u_vdata = this;
+ pimpl_->cursorNext(text);
}
-// Callback for scrollbar up button
-void BufferView::UpCB(FL_OBJECT *ob, long buf)
+bool BufferView::available() const
{
- BufferView *view = (BufferView*) buf;
-
- if (view->_buffer == 0) return;
-
- const XEvent*ev2;
- static long time = 0;
- ev2 = fl_last_event();
- if (ev2->type == ButtonPress || ev2->type == ButtonRelease)
- time = 0;
- int button = fl_get_button_numb(ob);
- switch (button) {
- case 3:
- view->ScrollUpOnePage(time++); break;
- case 2:
- view->ScrollDownOnePage(time++); break;
- default:
- view->ScrollUp(time++); break;
- }
+ return pimpl_->available();
}
-static
-void waitForX()
+void BufferView::beforeChange(LyXText * text)
{
- static Window w = 0;
- static Atom a = 0;
- if (!a)
- a = XInternAtom(fl_display, "WAIT_FOR_X", False);
- if (w == 0) {
- int mask;
- XSetWindowAttributes attr;
- mask = CWOverrideRedirect;
- attr.override_redirect = 1;
- w = XCreateWindow(fl_display, fl_root,
- 0, 0, 1, 1, 0, CopyFromParent,
- InputOnly, CopyFromParent, mask, &attr);
- XSelectInput(fl_display, w, PropertyChangeMask);
- XMapWindow(fl_display, w);
- }
- static XEvent ev;
- XChangeProperty(fl_display, w, a, a, 8,
- PropModeAppend, (unsigned char *)"", 0);
- XWindowEvent(fl_display, w, PropertyChangeMask, &ev);
+ pimpl_->beforeChange(text);
}
-// Callback for scrollbar slider
-void BufferView::ScrollCB(FL_OBJECT *ob, long buf)
+void BufferView::savePosition(unsigned int i)
{
- BufferView *view = (BufferView*) buf;
- extern bool cursor_follows_scrollbar;
-
- if (view->_buffer == 0) return;
-
- view->current_scrollbar_value = (long)fl_get_slider_value(ob);
- if (view->current_scrollbar_value < 0)
- view->current_scrollbar_value = 0;
-
- if (!view->screen)
- return;
-
- view->screen->Draw(view->current_scrollbar_value);
-
- if (cursor_follows_scrollbar) {
- LyXText * vbt = view->_buffer->text;
- int height = vbt->DefaultHeight();
-
- if (vbt->cursor.y < view->screen->first + height) {
- vbt->SetCursorFromCoordinates(0,
- view->screen->first +
- height);
- }
- else if (vbt->cursor.y >
- view->screen->first + view->work_area->h - height) {
- vbt->SetCursorFromCoordinates(0,
- view->screen->first +
- view->work_area->h -
- height);
- }
- }
- waitForX();
+ pimpl_->savePosition(i);
}
-// Callback for scrollbar down button
-void BufferView::DownCB(FL_OBJECT *ob, long buf)
+void BufferView::restorePosition(unsigned int i)
{
- BufferView *view = (BufferView*) buf;
-
- if (view->_buffer == 0) return;
-
- const XEvent*ev2;
- static long time = 0;
- ev2 = fl_last_event();
- if (ev2->type == ButtonPress || ev2->type == ButtonRelease)
- time = 0;
- int button = fl_get_button_numb(ob);
- switch (button) {
- case 2:
- view->ScrollUpOnePage(time++); break;
- case 3:
- view->ScrollDownOnePage(time++); break;
- default:
- view->ScrollDown(time++); break;
- }
+ pimpl_->restorePosition(i);
}
-int BufferView::ScrollUp(long time)
+bool BufferView::isSavedPosition(unsigned int i)
{
- if (_buffer == 0) return 0;
- if (!screen)
- return 0;
-
- double value= fl_get_slider_value(scrollbar);
-
- if (value == 0)
- return 0;
-
- float add_value = (_buffer->text->DefaultHeight()
- + (float)(time) * (float)(time) * 0.125);
-
- if (add_value > work_area->h)
- add_value = (float) (work_area->h -
- _buffer->text->DefaultHeight());
-
- value -= add_value;
-
- if (value < 0)
- value = 0;
-
- fl_set_slider_value(scrollbar, value);
-
- ScrollCB(scrollbar,(long)this);
- return 0;
+ return pimpl_->isSavedPosition(i);
}
-int BufferView::ScrollDown(long time)
+void BufferView::update(LyXText * text, UpdateCodes f)
{
- if (_buffer == 0) return 0;
- if (!screen)
- return 0;
-
- double value= fl_get_slider_value(scrollbar);
- double min, max;
- fl_get_slider_bounds(scrollbar, &min, &max);
-
- if (value == max)
- return 0;
-
- float add_value = (_buffer->text->DefaultHeight()
- + (float)(time) * (float)(time) * 0.125);
-
- if (add_value > work_area->h)
- add_value = (float) (work_area->h -
- _buffer->text->DefaultHeight());
-
- value += add_value;
-
- if (value > max)
- value = max;
-
- fl_set_slider_value(scrollbar, value);
-
- ScrollCB(scrollbar,(long)this);
- return 0;
+ pimpl_->update(text, f);
}
-void BufferView::ScrollUpOnePage(long /*time*/)
+void BufferView::setState()
{
- if (_buffer == 0) return;
- if (!screen)
- return;
-
- long y = screen->first;
-
- if (!y) return;
-
- Row* row = _buffer->text->GetRowNearY(y);
- y = y - work_area->h + row->height;
-
- fl_set_slider_value(scrollbar, y);
-
- ScrollCB(scrollbar,(long)this);
+ pimpl_->setState();
}
-void BufferView::ScrollDownOnePage(long /*time*/)
+void BufferView::insetSleep()
{
- if (_buffer == 0) return;
- if (!screen)
- return;
-
- double min, max;
- fl_get_slider_bounds(scrollbar, &min, &max);
- long y = screen->first;
-
- if (y > _buffer->text->height - work_area->h)
- return;
-
- y += work_area->h;
- _buffer->text->GetRowNearY(y);
-
- fl_set_slider_value(scrollbar, y);
-
- ScrollCB(scrollbar,(long)this);
+ pimpl_->insetSleep();
}
-int BufferView::work_area_handler(FL_OBJECT * ob, int event,
- FL_Coord, FL_Coord ,
- int /*key*/, void *xev)
+void BufferView::insetWakeup()
{
- static int x_old = -1;
- static int y_old = -1;
- static long scrollbar_value_old = -1;
-
- XEvent* ev = (XEvent*) xev;
- BufferView *view = (BufferView*) ob->u_vdata;
-
- // If we don't have a view yet; return
- if (!view || quitting) return 0;
-
- switch (event){
- case FL_DRAW:
- view->workAreaExpose();
- break;
- case FL_PUSH:
- view->WorkAreaButtonPress(ob, 0,0,0,ev,0);
- break;
- case FL_RELEASE:
- view->WorkAreaButtonRelease(ob, 0,0,0,ev,0);
- break;
- case FL_MOUSE:
- if (ev->xmotion.x != x_old ||
- ev->xmotion.y != y_old ||
- view->current_scrollbar_value != scrollbar_value_old) {
- x_old = ev->xmotion.x;
- y_old = ev->xmotion.y;
- scrollbar_value_old = view->current_scrollbar_value;
- view->WorkAreaMotionNotify(ob, 0,0,0,ev,0);
- }
- break;
- // Done by the raw callback:
- // case FL_KEYBOARD: WorkAreaKeyPress(ob, 0,0,0,ev,0); break;
- case FL_FOCUS:
- if (!view->_owner->getMiniBuffer()->shows_no_match)
- view->_owner->getMiniBuffer()->Init();
- view->_owner->getMiniBuffer()->shows_no_match = false;
- view->work_area_focus = true;
- fl_set_timer(view->timer_cursor, 0.4);
- break;
- case FL_UNFOCUS:
- view->_owner->getMiniBuffer()->ExecCommand();
- view->work_area_focus = false;
- break;
- case FL_ENTER:
- SetXtermCursor(view->_owner->getForm()->window);
- // reset the timer
- view->lyx_focus = true;
- fl_set_timer(view->timer_cursor, 0.4);
- break;
- case FL_LEAVE:
- if (!input_prohibited)
- XUndefineCursor(fl_display,
- view->_owner->getForm()->window);
- view->lyx_focus = false; // This is not an absolute truth
- // but if it is not true, it will be changed within a blink
- // of an eye. ... Not good enough... use regulare timeperiod
- //fl_set_timer(view->timer_cursor, 0.01); // 0.1 sec blink
- fl_set_timer(view->timer_cursor, 0.4); // 0.4 sec blink
- break;
- case FL_DBLCLICK:
- // select a word
- if (view->_buffer && !view->_buffer->the_locking_inset) {
- if (view->screen && ev->xbutton.button == 1) {
- view->screen->HideCursor();
- view->screen->ToggleSelection();
- view->_buffer->text->SelectWord();
- view->screen->ToggleSelection(false);
- /* This will fit the cursor on the screen
- * if necessary */
- view->_buffer->update(0);
- }
- }
- break;
- case FL_TRPLCLICK:
- // select a line
- if (view->_buffer && view->screen && ev->xbutton.button == 1) {
- view->screen->HideCursor();
- view->screen->ToggleSelection();
- view->_buffer->text->CursorHome();
- view->_buffer->text->sel_cursor =
- view->_buffer->text->cursor;
- view->_buffer->text->CursorEnd();
- view->_buffer->text->SetSelection();
- view->screen->ToggleSelection(false);
- /* This will fit the cursor on the screen
- * if necessary */
- view->_buffer->update(0);
- }
- break;
- case FL_OTHER:
- view->WorkAreaSelectionNotify(ob,
- view->_owner->getForm()->window,
- 0,0,ev,0);
- break;
- }
- return 1;
+ pimpl_->insetWakeup();
}
-int BufferView::WorkAreaMotionNotify(FL_OBJECT *ob, Window,
- int /*w*/, int /*h*/,
- XEvent *ev, void */*d*/)
-{
- if (_buffer == 0) return 0;
- if (!screen) return 0;
-
- // Check for inset locking
- if (_buffer->the_locking_inset) {
- LyXCursor cursor = _buffer->text->cursor;
- _buffer->the_locking_inset->
- InsetMotionNotify(ev->xbutton.x - ob->x - cursor.x,
- ev->xbutton.y - ob->y -
- (cursor.y),
- ev->xbutton.state);
- return 0;
- }
-
- // Only use motion with button 1
- if (!ev->xmotion.state & Button1MotionMask)
- return 0;
-
- /* 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();
-
- _buffer->text->
- SetCursorFromCoordinates(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y +
- screen->first);
-
- if (!_buffer->text->selection)
- _buffer->update(-3); // Maybe an empty line was deleted
-
- _buffer->text->SetSelection();
- screen->ToggleToggle();
- if (screen->FitCursor())
- updateScrollbar();
- screen->ShowCursor();
- }
- return 0;
+void BufferView::insetUnlock()
+{
+ pimpl_->insetUnlock();
}
-extern int bibitemMaxWidth(const class LyXFont &);
+bool BufferView::focus() const
+{
+ return pimpl_->focus();
+}
+
-// Single-click on work area
-int BufferView::WorkAreaButtonPress(FL_OBJECT *ob, Window,
- int /*w*/, int /*h*/, XEvent *ev, void */*d*/)
+void BufferView::focus(bool f)
{
- last_click_x = -1;
- last_click_y = -1;
-
- if (_buffer == 0) return 0;
- if (!screen) return 0;
-
- int const x = ev->xbutton.x - ob->x;
- int const y = ev->xbutton.y - ob->y;
- // 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.
- int inset_x = x;
- int inset_y = y;
- Inset * inset_hit = checkInsetHit(inset_x, inset_y);
-
- // ok ok, this is a hack.
- int button = ev->xbutton.button;
- if (button == 4 || button == 5) goto wheel;
-
- {
-
- if (_buffer->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 != 0) {
- _buffer->the_locking_inset->
- InsetButtonPress(inset_x, inset_y, button);
- return 0;
- } else {
- UnlockInset(_buffer->the_locking_inset);
- }
- }
-
- selection_possible = true;
- screen->HideCursor();
-
- // Right button mouse click on a table
- if (button == 3 &&
- (_buffer->text->cursor.par->table ||
- _buffer->text->MouseHitInTable(x, y+screen->first))) {
- // Set the cursor to the press-position
- _buffer->text->SetCursorFromCoordinates(x, y + screen->first);
- bool doit = true;
-
- // Only show the table popup if the hit is in the table, too
- if (!_buffer->text->HitInTable(_buffer->text->cursor.row, x))
- doit = false;
-
- // Hit above or below the table?
- if (doit) {
- if (!_buffer->text->selection) {
- screen->ToggleSelection();
- _buffer->text->ClearSelection();
- _buffer->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 0;
- }
- }
-
- int screen_first = screen->first;
-
- // Middle button press pastes if we have a selection
- bool paste_internally = false;
- if (button == 2 // && !_buffer->the_locking_inset
- && _buffer->text->selection) {
- _owner->getLyXFunc()->Dispatch(LFUN_COPY);
- paste_internally = true;
- }
-
- // Clear the selection
- screen->ToggleSelection();
- _buffer->text->ClearSelection();
- _buffer->text->FullRebreak();
- screen->Update();
- updateScrollbar();
-
- // Single left click in math inset?
- if (inset_hit != 0 && inset_hit->Editable() == 2) {
- // Highly editable inset, like math
- selection_possible = false;
- _owner->updateLayoutChoice();
- _owner->getMiniBuffer()->Set(inset_hit->EditMessage());
- inset_hit->Edit(inset_x, inset_y);
- return 0;
- }
-
- // Right click on a footnote flag opens float menu
- if (button == 3) {
- selection_possible = false;
- return 0;
- }
-
- _buffer->text->SetCursorFromCoordinates(x, y + screen_first);
- _buffer->text->FinishUndo();
- _buffer->text->sel_cursor = _buffer->text->cursor;
- _buffer->text->cursor.x_fix = _buffer->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) { // && !_buffer->the_locking_inset){
- if (paste_internally)
- _owner->getLyXFunc()->Dispatch(LFUN_PASTE);
- else
- _owner->getLyXFunc()->Dispatch(LFUN_PASTESELECTION,
- "paragraph");
- selection_possible = false;
- return 0;
- }
- }
- goto out;
- wheel: {
- // I am not quite sure if this is the correct place to put this,
- // but it will not cause any harm.
- // Patch from Mark Huang (markman@mit.edu) to make LyX recognise
- // button 4 and 5. This enables LyX use use the scrollwhell on
- // certain mice for something useful. (Lgb)
- // Added wheel acceleration detection code. (Rvdk)
- static Time lastTime = 0;
- int diff = ev->xbutton.time - lastTime;
- int scroll = int(1.0 + (4.0/(abs(diff)+1.0))*200.0);
- switch (button) {
- case 4:
- ScrollUp(scroll);
- break;
- case 5:
- ScrollDown(scroll);
- break;
- }
- lastTime = ev->xbutton.time;
- return 0;
- }
- out:
- last_click_x = x;
- last_click_y = y;
-
- return 0;
+ pimpl_->focus(f);
}
-int BufferView::WorkAreaButtonRelease(FL_OBJECT *ob, Window ,
- int /*w*/, int /*h*/, XEvent *ev, void */*d*/)
+bool BufferView::active() const
{
- if (_buffer == 0 || screen == 0) return 0;
-
- int const x = ev->xbutton.x - ob->x;
- int const y = ev->xbutton.y - ob->y;
-
- // 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.
- int inset_x = x;
- int inset_y = y;
- Inset * inset_hit = checkInsetHit(inset_x, inset_y);
-
- if (_buffer->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. */
- _buffer->the_locking_inset->
- InsetButtonRelease(inset_x, inset_y,
- ev->xbutton.button);
- return 0;
- }
-
- selection_possible = false;
- if (_buffer->text->cursor.par->table) {
- int cell = _buffer->text->
- NumberOfCell(_buffer->text->cursor.par,
- _buffer->text->cursor.pos);
- if (_buffer->text->cursor.par->table->IsContRow(cell) &&
- _buffer->text->cursor.par->table->
- CellHasContRow(_buffer->text->cursor.par->table->
- GetCellAbove(cell))<0) {
- _buffer->text->CursorUp();
- }
- }
-
- if (ev->xbutton.button >= 2)
- return 0;
-
- // Make sure that the press was not far from the release
- if ((abs(last_click_x - x) >= 5) ||
- (abs(last_click_y - y) >= 5)) {
- return 0;
- }
-
- // 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) {
- _buffer->text->SetCursorParUndo();
- }
-
- _owner->getMiniBuffer()->Set(inset_hit->EditMessage());
- inset_hit->Edit(inset_x, inset_y);
- return 0;
- }
-
- // check whether we want to open a float
- if (_buffer->text) {
- bool hit = false;
- char c = ' ';
- if (_buffer->text->cursor.pos <
- _buffer->text->cursor.par->Last()) {
- c = _buffer->text->cursor.par->
- GetChar(_buffer->text->cursor.pos);
- }
- if (c == LYX_META_FOOTNOTE || c == LYX_META_MARGIN
- || c == LYX_META_FIG || c == LYX_META_TAB
- || c == LYX_META_WIDE_FIG || c == LYX_META_WIDE_TAB
- || c == LYX_META_ALGORITHM){
- hit = true;
- } else if (_buffer->text->cursor.pos - 1 >= 0) {
- c = _buffer->text->cursor.par->
- GetChar(_buffer->text->cursor.pos - 1);
- if (c == LYX_META_FOOTNOTE || c == LYX_META_MARGIN
- || c == LYX_META_FIG || c == LYX_META_TAB
- || c == LYX_META_WIDE_FIG
- || c == LYX_META_WIDE_TAB
- || c == LYX_META_ALGORITHM){
- // We are one step too far to the right
- _buffer->text->CursorLeft();
- hit = true;
- }
- }
- if (hit == true) {
- ToggleFloat();
- selection_possible = false;
- return 0;
- }
- }
-
- // Do we want to close a float? (click on the float-label)
- if (_buffer->text->cursor.row->par->footnoteflag ==
- LyXParagraph::OPEN_FOOTNOTE
- && _buffer->text->cursor.pos == 0
- && _buffer->text->cursor.row->previous &&
- _buffer->text->cursor.row->previous->par->
- footnoteflag != LyXParagraph::OPEN_FOOTNOTE){
- LyXFont font (LyXFont::ALL_SANE);
- font.setSize(LyXFont::SIZE_SMALL);
-
- int box_x = 20; // LYX_PAPER_MARGIN;
- box_x += font.textWidth("Mwide-figM", 10);
-
- int screen_first = screen->first;
-
- if (x < box_x
- && y + screen_first > _buffer->text->cursor.y -
- _buffer->text->cursor.row->baseline
- && y + screen_first < _buffer->text->cursor.y -
- _buffer->text->cursor.row->baseline
- + font.maxAscent()*1.2 + font.maxDescent()*1.2) {
- ToggleFloat();
- selection_possible = false;
- return 0;
- }
- }
-
- // Maybe we want to edit a bibitem ale970302
- if (_buffer->text->cursor.par->bibkey && x < 20 +
- bibitemMaxWidth(lyxstyle.TextClass(_buffer->
- params.textclass)->defaultfont)) {
- _buffer->text->cursor.par->bibkey->Edit(0, 0);
- }
-
- return 0;
+ return pimpl_->active();
}
-/*
- * 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)
+int BufferView::workWidth() const
{
- if (!getScreen())
- return 0;
-
- int y_tmp = y + getScreen()->first;
-
- LyXCursor cursor = _buffer->text->cursor;
- if (cursor.pos < cursor.par->Last()
- && cursor.par->GetChar(cursor.pos) == LYX_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 = _buffer->text->GetFont(cursor.par, cursor.pos);
- if (x > cursor.x
- && x < cursor.x + tmpinset->Width(font)
- && y_tmp > cursor.y - tmpinset->Ascent(font)
- && y_tmp < cursor.y + tmpinset->Descent(font)) {
- x = x - cursor.x;
- // The origin of an inset is on the baseline
- y = y_tmp - (cursor.y);
- return tmpinset;
- }
- } else if (cursor.pos - 1 >= 0
- && cursor.par->GetChar(cursor.pos - 1) == LYX_META_INSET
- && cursor.par->GetInset(cursor.pos - 1)
- && cursor.par->GetInset(cursor.pos - 1)->Editable()) {
- _buffer->text->CursorLeft();
- Inset * result = checkInsetHit(x, y);
- if (result == 0) {
- _buffer->text->CursorRight();
- return 0;
- } else {
- return result;
- }
- }
- return 0;
+ return pimpl_->workarea_.workWidth();
}
-int BufferView::workAreaExpose()
+bool BufferView::belowMouse() const
{
- if (!work_area || !work_area->form->visible)
- return 1;
-
- // this is a hack to ensure that we only call this through
- // BufferView::redraw().
- if (!lgb_hack) {
- redraw();
- }
-
- static int work_area_width = work_area->w;
- static int work_area_height = work_area->h;
-
- bool widthChange = work_area->w != work_area_width;
- bool heightChange = work_area->h != work_area_height;
-
- // update from work area
- work_area_width = work_area->w;
- work_area_height = work_area->h;
- if (_buffer != 0) {
- if (widthChange) {
- // All buffers need a resize
- bufferlist.resize();
- } 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
- fl_winset(FL_ObjWin(work_area));
- fl_rectangle(1, work_area->x, work_area->y,
- work_area->w, work_area->h, FL_GRAY63);
- }
-
- // always make sure that the scrollbar is sane.
- updateScrollbar();
- _owner->updateLayoutChoice();
- return 1;
+ return pimpl_->belowMouse();
}
-// Callback for cursor timer
-void BufferView::CursorToggleCB(FL_OBJECT *ob, long)
+void BufferView::showCursor()
{
- BufferView *view = (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;
- }
-#ifdef WITH_WARNINGS
-#warning NOTE!
-#endif
+ pimpl_->showCursor();
+}
- // On my quest to solve the gs rendre 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
-//#if 0
- {
- int status = 1;
- int pid = waitpid((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);
- }
-//#endif
- if (InsetUpdateList)
- UpdateInsetUpdateList();
-
- if (view && !view->screen){
- goto set_timer_and_return;
- }
-
- if (view->lyx_focus && view->work_area_focus) {
- if (!view->_buffer->the_locking_inset){
- view->screen->CursorToggle();
- } else {
- view->_buffer->the_locking_inset->
- ToggleInsetCursor();
- }
- goto set_timer_and_return;
- } else {
- // Make sure that the cursor is visible.
- if (!view->_buffer->the_locking_inset){
- view->screen->ShowCursor();
- } else {
- if (!view->_buffer->the_locking_inset->isCursorVisible())
- view->_buffer->the_locking_inset->
- ToggleInsetCursor();
- }
-
- // This is only run when work_area_focus or lyx_focus is false.
- Window tmpwin;
- int tmp;
- XGetInputFocus(fl_display, &tmpwin, &tmp);
- lyxerr.debug(string("tmpwin: ") + tostr(tmpwin));
- lyxerr.debug(string("window: ")
- + tostr(view->_owner->getForm()->window));
- lyxerr.debug(string("work_area_focus: ")
- + tostr(view->work_area_focus));
- lyxerr.debug(string("lyx_focus : ")
- + tostr(view->lyx_focus));
- 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;
+
+void BufferView::hideCursor()
+{
+ pimpl_->hideCursor();
}
-int BufferView::WorkAreaSelectionNotify(FL_OBJECT *, Window win,
- int /*w*/, int /*h*/, XEvent *event, void */*d*/)
+void BufferView::toggleSelection(bool b)
{
- if (_buffer == 0) return 0;
- if (event->type != SelectionNotify)
- return 0;
-
- Atom tmpatom;
- unsigned long ul1;
- unsigned long ul2;
- unsigned char* uc = 0;
- int tmpint;
- screen->HideCursor();
- BeforeChange();
- if (event->xselection.type == XA_STRING
- && event->xselection.property) {
-
- if (XGetWindowProperty(
- fl_display /* display */,
- win /* w */,
- event->xselection.property /* property */,
- 0 /* long_offset */,
- 0 /* long_length */,
- false /* 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 0;
- }
- XFlush(fl_display);
-
- if (uc){
- free(uc);
- uc = 0;
- }
-
- if (XGetWindowProperty(
- fl_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 0;
- }
- XFlush(fl_display);
-
- if (uc){
- if (!ascii_type)
- _buffer->text->
- InsertStringA((char*)uc);
- else
- _buffer->text->
- InsertStringB((char*)uc);
- free(uc);
- uc = 0;
- }
-
- _buffer->update(1);
- }
- return 0;
+ pimpl_->toggleSelection(b);
}
-void BufferView::cursorPrevious()
+void BufferView::toggleToggle()
{
- if (!currentBuffer()->text->cursor.row->previous) return;
-
- long y = getScreen()->first;
- Row* cursorrow = currentBuffer()->text->cursor.row;
- currentBuffer()->text->
- SetCursorFromCoordinates(currentBuffer()->text->
- cursor.x_fix,
- y);
- currentBuffer()->text->FinishUndo();
- /* this is to allow jumping over large insets */
- if ((cursorrow == currentBuffer()->text->cursor.row))
- currentBuffer()->text->CursorUp();
-
- if (currentBuffer()->text->cursor.row->height < work_area->h)
- getScreen()->Draw(currentBuffer()->text->cursor.y
- - currentBuffer()->text->cursor.row->baseline
- + currentBuffer()->text->cursor.row->height
- - work_area->h +1 );
+ pimpl_->toggleToggle();
}
-void BufferView::cursorNext()
+void BufferView::center()
{
- if (!currentBuffer()->text->cursor.row->next) return;
-
- long y = getScreen()->first;
- currentBuffer()->text->GetRowNearY(y);
- Row* cursorrow = currentBuffer()->text->cursor.row;
- currentBuffer()->text->
- SetCursorFromCoordinates(currentBuffer()->text->
- cursor.x_fix,
- y + work_area->h);
- currentBuffer()->text->FinishUndo();
- /* this is to allow jumping over large insets */
- if ((cursorrow == currentBuffer()->text->cursor.row))
- currentBuffer()->text->CursorDown();
-
- if (currentBuffer()->text->cursor.row->height < work_area->h)
- getScreen()->Draw(currentBuffer()->text->cursor.y
- - currentBuffer()->text->cursor.row->baseline);
+ pimpl_->center();
}
-bool BufferView::available() const
+void BufferView::pasteClipboard(bool asPara)
{
- if (_buffer && _buffer->text) return true;
- return false;
+ pimpl_->pasteClipboard(asPara);
}
-void BufferView::savePosition()
+void BufferView::stuffClipboard(string const & stuff) const
{
- backstack->push(currentBuffer()->getFileName(),
- currentBuffer()->text->cursor.x,
- currentBuffer()->text->cursor.y);
+ pimpl_->stuffClipboard(stuff);
}
-void BufferView::restorePosition()
+BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
+ BufferView::UpdateCodes uc2)
{
- 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
- setBuffer(b);
- currentBuffer()->text->SetCursorFromCoordinates(x, y);
- currentBuffer()->update(0);
-}
+ return static_cast<BufferView::UpdateCodes>
+ (static_cast<int>(uc1) | static_cast<int>(uc2));
+}
+
+bool BufferView::Dispatch(kb_action action, string const & argument)
+{
+ return pimpl_->Dispatch(action, argument);
+}
projects / lyx.git / blobdiff