/**
* @brief Receives a key press event.
*
* This overrides the implementation of QPlainTextEdit to block the built-in
* undo/redo actions and use our own ones instead, to pass through the
* QUndoStack.
*
* @param event The event to handle.
*/
void TextEditorWidget::keyPressEvent(QKeyEvent* event) {
if (event == QKeySequence::Undo) {
undo_stack.undo();
event->accept();
return;
}
if (event == QKeySequence::Redo) {
undo_stack.redo();
event->accept();
return;
}
if (event->key() == Qt::Key_Tab) {
insert_tab();
event->accept();
return;
}
if (event->key() == Qt::Key_Backtab) {
remove_tab();
event->accept();
return;
}
QPlainTextEdit::keyPressEvent(event);
}
int suppr(t_cursor *cursor, char **_tab)
{
if (smth_to_rm(cursor, _tab) != 1)
return (0);
remove_tab(cursor, _tab);
cursor->select = 0;
cursor->l = 0;
return (1);
}
/**
* gtr_notebook_remove_page:
* @notebook: a #GtrNotebook
* @page_num: the index of a notebook page, starting from 0.
*
* Removes a page from the notebook given its index in the notebook.
*/
void
gtr_notebook_remove_page (GtrNotebook * notebook, gint page_num)
{
GtrTab *tab;
g_return_if_fail (GTR_IS_NOTEBOOK (notebook));
tab = GTR_TAB (gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), page_num));
remove_tab (tab, notebook);
}
/**
* cedit_notebook_remove_tab:
* @nb: a #CeditNotebook
* @tab: a #CeditTab
*
* Removes @tab from @nb.
*/
void
cedit_notebook_remove_tab (CeditNotebook *nb,
CeditTab *tab)
{
gint position, curr;
g_return_if_fail (CEDIT_IS_NOTEBOOK (nb));
g_return_if_fail (CEDIT_IS_TAB (tab));
/* Remove the page from the focused pages list */
nb->priv->focused_pages = g_list_remove (nb->priv->focused_pages,
tab);
position = gtk_notebook_page_num (GTK_NOTEBOOK (nb), GTK_WIDGET (tab));
curr = gtk_notebook_get_current_page (GTK_NOTEBOOK (nb));
if (position == curr)
{
smart_tab_switching_on_closure (nb, tab);
}
remove_tab (tab, nb);
}
// you may want to have a look into /usr/src/linux/drivers/char/console.c
void parse_character(termstate_t * term, l4_uint8_t c)
{
int i;
// these must be handled independetly of state
switch (c)
{
case 0: // ignore
return;
case 7: // bell
// todo: impl. me
return;
case 8: // backspace
if (term->cur_x > 0)
term->cur_x--;
return;
case 9: // tab
cursor_tab(term);
return;
case 10: // newline (lf)
case 11: // ?
case 12: // ?
cursor_nl(term);
return;
case 13: // do a cr here, maybe a smart one (+ lf)
cursor_cr(term);
return;
case 27: // ESC
term->esc_state = ESesc;
return;
}
// now check for the state-dependant characters
switch (term->esc_state)
{
case ESnormal:
// normal character
if ((c >= 0x20 && c <= 0x7e) || (c >= 0xa1 && c <= 0xfe))
{
if (term->insert_mode == VT100_INSMODE_REPLACE)
{
set_char(term, c);
//vt100_redraw_xy(term, term->cur_x, term->cur_y);
cursor_next(term);
}
else // VT100_INSMODE_INSERT
{
insert_char(term, c);
//vt100_redraw(term);
}
return;
}
// switch (c)
// {
// }
break;
case ESesc: // normal ESC found
term->esc_state = ESnormal;
switch (c)
{
case '[':
term->esc_state = ESsquare;
return;
case 'D': // lf
cursor_lf(term);
//vt100_redraw(term);
return;
case 'E': // cr + lf
cursor_nl(term);
//vt100_redraw(term);
return;
case 'H': // set tab at current position
set_tab( term, term->cur_x );
return;
case 'M':
rev_scroll(term);
//vt100_redraw(term);
return;
case '7': // save cursor position and attributes
term->cur_stored_x = term->cur_x;
term->cur_stored_y = term->cur_y;
term->cur_stored_attr = term->attrib_mode;
return;
case '8': // restore saved cursor position and attributes
term->cur_x = term->cur_stored_x;
term->cur_y = term->cur_stored_y;
term->attrib_mode = term->cur_stored_attr;
return;
case '#':
term->esc_state = EShash;
return;
case 'c': // reset vt to default settings
init_termstate(term, term->w, term->phys_h, term->virt_h);
return;
}
case ESsquare:
for(i = 0; i < NUM_PAR; i++)
term->par[i] = 0;
term->used_par = 0;
term->esc_state = ESgetpars;
term->ques = (c=='?');
if (term->ques)
return;
// fall-through
case ESgetpars:
if (c == ';' && term->used_par < NUM_PAR - 1)
{
term->used_par++;
return;
}
else if (c >= '0' && c <= '9')
{
term->par[term->used_par] *= 10;
term->par[term->used_par] += c - '0';
return;
} else term->esc_state = ESgotpars;
// fall-through
case ESgotpars:
term->esc_state = ESnormal;
switch (c)
{
case 'h':
if (term->ques)
{
// handle question commands ending with h
for (i = 0; i <= term->used_par; i++)
{
switch( term->par[i] )
{
case 5: // activate inverse screen
if (set_mode(term, 1))
//vt100_redraw(term);
break;
case 6: // origin mode = scroll region
term->origin_mode = VT100_ORIGIN_SCROLL;
break;
case 7: // autowrap mode on
term->autowrap = 1;
break;
case 8: // autorepeat on
term->autorepeat = 1;
break;
case 25: // activate cursor
term->cursor_vis = 1; return;
default:
break;
}
}
return;
}
else // handle commands without question mark
{
for(i = 0; i <= term->used_par; i++)
{
switch( term->par[i] )
{
case 4: // insert mode on
term->insert_mode = VT100_INSMODE_INSERT;
break;
case 12: // echo on
term->echo = 1;
break;
case 20: // line feed mode
term->newline = 1;
break;
default: break;
}
}
return;
}
case 'l':
if (term->ques)
{
for(i = 0; i <= term->used_par; i++)
{
// handle question commands ending with l
switch( term->par[i] )
{
case 3: // set 80 column mode, clear screen
// todo: impl. resize and use it here
break;
case 5: // deactivate inverse screen
if(set_mode(term, 0))
//vt100_redraw(term);
break;
case 6: // origin mode = whole screen
term->origin_mode = VT100_ORIGIN_GLOBAL;
case 7: // autowrap mode off
term->autowrap = 0;
break;
case 8: // autorepeat off
term->autorepeat = 0;
break;
case 25: // deactivate cursor
term->cursor_vis = 0; return;
default: break;
}
return;
}
}
else // handle commands without question mark
{
for( i=0; i <= term->used_par; i++ )
{
switch( term->par[i] )
{
case 4: // insert mode off
term->insert_mode = VT100_INSMODE_REPLACE;
break;
case 12: // echo off
term->echo = 0;
break;
case 20: // carriage return mode
term->newline = 0;
break;
default:
break;
}
return;
}
}
}
if (term->ques)
{
term->ques = 0;
return;
}
switch (c)
{
case 'F': // CR + up
term->cur_x = 0;
// fall through
case 'A': // up
if (! term->par[0])
term->par[0]++;
cursor_up(term);
return;
case 'E': // CR + down
term->cur_x = 0;
// fall through
case 'B': // down
if (! term->par[0])
term->par[0]++;
cursor_down(term);
return;
case 'C': // right
// no parameter -> set parameter to default (=1)
if (! term->par[0])
term->par[0]++;
cursor_right(term);
return;
case 'D': // left
if (! term->par[0])
term->par[0]++;
cursor_left(term);
return;
case 'G': // cursor position horizontal absolute
if ( (term->par[0] > 0) &&
(term->par[0] < term->w) )
term->cur_x = term->par[0];
return;
case 'H': // absolute position (x,y)
case 'f': // f is the same as H (correct me, if I'm wrong)
// well it is the same in the Linux kernel, in theorie the
// 'f' commands depend on the PUM (Position unit mode),
// which can be characters (seems to be default) or inch
if (term->par[0] > 0) // convert to (0, 0) based coords
term->par[0]--;
if (term->par[1] > 0)
term->par[1]--;
cursor_move_abs(term, term->par[1], term->par[0]);
return;
case 'I': // insert tabs ('\t', term->par[0] times)
if (!term->par[0])
term->par[0]++;
for (i=0;i<term->par[0];i++)
cursor_tab(term);
return;
case 'J':
switch(term->par[0])
{
case 0: // kill to end of screen
clean_to_eos(term);
//vt100_redraw(term);
return;
case 1: // kill from start of screen
clean_from_sos(term);
//vt100_redraw(term);
return;
case 2: // kill whole screen
clean_screen(term, ' ');
//vt100_redraw(term);
return;
}
case 'K': // kill to end of line
switch(term->par[0])
{
case 0: // clean to end of line
clean_to_eol(term);
//vt100_redraw(term);
return;
case 1: // clean from start of line
clean_from_sol(term);
return;
case 2: // erase whole line
clean_line(term, term->cur_y);
return;
}
case 'L': // insert lines
if (!term->par[0])
term->par[0] = 1;
for (i=0; i<term->par[0]; i++)
insert_line(term);
//vt100_redraw(term);
return;
case 'M': // erase lines
if (!term->par[0])
term->par[0] = 1;
for (i=0; i<term->par[0]; i++)
erase_line(term);
//vt100_redraw(term);
return;
case 'c': // we were asked to identify the terminal type
identify(term);
return;
case 'g': // erase tab(s)
switch(term->par[0])
{
case 0: remove_tab( term, term->cur_x );
break;
case 3: clear_tabs( term );
break;
default: break;
}
return;
case 'm':
csi_m(term);
return;
case 'r': // set scrolling region
if (term->par[0] == 0)
term->par[0]++;
if (term->par[1] == 0)
term->par[1] = term->phys_h;
/* Minimum allowed region is 2 lines */
if (term->par[0] < term->par[1] &&
term->par[1] <= term->phys_h)
{
term->scroll_top = term->par[0] - 1;
term->scroll_bottom = term->par[1]; // this line is excluded
// if in origin mode, make sure that the cursor is placed
// inside the scrolling region immediately
if (term->origin_mode == VT100_ORIGIN_SCROLL)
{
term->cur_x = 0;
term->cur_y = term->scroll_top;
}
}
return;
}
case EShash:
term->esc_state = ESnormal;
switch(c)
{
case '8': // fill the screen with 'E'
clean_screen(term, 'E');
//vt100_redraw(term);
break;
}
break;
}
}
/*! MyWindow constructor
* \param w - window width
* \param h - window hight
*/
MyWindow::MyWindow(int w, int h) : num_of_colors(18)
{
myBar = new QTabWidget(this);
setCentralWidget(myBar);
m_width = w;
m_height = h;
tab_number = 0;
number_of_tabs = 0;
testlayer = new Qt_layer( myBar );
colors_flag = true;
statusBar();
m_scailing_factor = 2;
// Traits Group
QActionGroup *traitsGroup = new QActionGroup( this ); // Connected later
traitsGroup->setExclusive( TRUE );
/*setSegmentTraits = new QAction("Segment Traits",
QPixmap( (const char**)line_xpm ),
"&Segment Traits", 0 ,traitsGroup,
"Segment Traits" );
setSegmentTraits->setToggleAction( TRUE );
setPolylineTraits = new QAction("Polyline Traits",
QPixmap( (const char**)polyline_xpm ),
"&Polyline Traits", 0 , traitsGroup,
"Polyline Traits" );
setPolylineTraits->setToggleAction( TRUE );
#ifdef CGAL_USE_CORE
setConicTraits = new QAction("Conic Traits",
QPixmap( (const char**)conic_xpm ),
"&Conic Traits", 0 , traitsGroup,
"Conic Traits" );
setConicTraits->setToggleAction( TRUE );
#endif
*/
// Snap Mode Group
setSnapMode = new QAction("Snap Mode", QPixmap( (const char**)snapvertex_xpm ),
"&Snap Mode", 0 , this, "Snap Mode" );
setSnapMode->setToggleAction( TRUE );
setGridSnapMode = new QAction("Grid Snap Mode",
QPixmap( (const char**)snapgrid_xpm ),
"&Grid Snap Mode", 0 , this,
"Grid Snap Mode" );
setGridSnapMode->setToggleAction( TRUE );
// insert - delete - point_location Mode Group
QActionGroup *modeGroup = new QActionGroup( this ); // Connected later
modeGroup->setExclusive( TRUE );
insertMode = new QAction("Insert", QPixmap( (const char**)insert_xpm ),
"&Insert", 0 , modeGroup, "Insert" );
insertMode->setToggleAction( TRUE );
deleteMode = new QAction("Delete", QPixmap( (const char**)delete_xpm ),
"&Delete", 0 , modeGroup, "Delete" );
deleteMode->setToggleAction( TRUE );
pointLocationMode = new QAction("PointLocation",
QPixmap( (const char**)pointlocation_xpm ),
"&Point Location", 0 , modeGroup,
"Point Location" );
pointLocationMode->setToggleAction( TRUE );
dragMode = new QAction("Drag", QPixmap( (const char**)hand_xpm ),
"&Drag", 0 , modeGroup, "Drag" );
dragMode->setToggleAction( TRUE );
// zoom in
zoominBt = new QAction("Zoom in", QPixmap( (const char**)zoomin_xpm ),
"&Zoom in", 0 , this, "Zoom in" );
// zoom out
zoomoutBt = new QAction("Zoom out", QPixmap( (const char**)zoomout_xpm ),
"&Zoom out", 0 , this, "Zoom out" );
// color dialog
color_dialog_bt = new QAction("Choose color", QPixmap( (const char**)demo_colors_xpm ),
"&choose color", 0 , this, "choose color" );
// Cartograms
carto_new = new QAction("New instance", QPixmap( (const char**)carto_new_xpm ),
"&New instance", 0 , this, "New instance" );
carto_weights = new QAction("Set weights", QPixmap( (const char**)carto_weights_xpm ),
"&Set weights", 0 , this, "Set weights" );
carto_start = new QAction("Start Cartogram", QPixmap( (const char**)carto_start_xpm ),
"&Start Cartogram", 0 , this, "Start Cartogram" );
carto_it = new QAction("Next step", QPixmap( (const char**)carto_nextIt_xpm ),
"&Next step", 0 , this, "Next step" );
/*
#ifdef CGAL_USE_CORE
// Conic Type Group
QActionGroup *conicTypeGroup = new QActionGroup( this ); // Connected later
conicTypeGroup->setExclusive( TRUE );
setCircle = new QAction("Circle",
QPixmap( (const char**)demo_conic_circle_xpm ),
"&Circle", 0 ,conicTypeGroup,
"Circle" );
setCircle->setToggleAction( TRUE );
setSegment = new QAction("Segment",
QPixmap( (const char**)demo_conic_segment_xpm ),
"&Segment", 0 ,conicTypeGroup,
"Segment" );
setSegment->setToggleAction( TRUE );
setEllipse = new QAction("Ellipse",
QPixmap( (const char**)demo_conic_ellipse_xpm ),
"&Ellipse", 0 ,conicTypeGroup,
"Ellipse" );
setEllipse->setToggleAction( TRUE );
setParabola = new QAction("3 Points Arc",
QPixmap( (const char**)demo_conic_3points_xpm ),
"&3 Points Arc", 0 ,conicTypeGroup,
"3 Points Arc" );
setParabola->setToggleAction( TRUE );
setHyperbola = new QAction("5 Points Arc",
QPixmap( (const char**)demo_conic_5points_xpm ),
"&5 Points Arc", 0 ,conicTypeGroup,
"5 Points Arc" );
setHyperbola->setToggleAction( TRUE );
#endif
*/
//create a timer for checking if somthing changed
QTimer *timer = new QTimer( this );
connect( timer, SIGNAL(timeout()),
this, SLOT(timer_done()) );
timer->start( 200, FALSE );
// file menu
QPopupMenu * file = new QPopupMenu( this );
menuBar()->insertItem( "&File", file );
/*
file->insertItem("&Open Segment File...", this, SLOT(fileOpenSegment()));
file->insertItem("&Open Polyline File...", this, SLOT(fileOpenPolyline()));\
file->insertItem("&Open Segment Arr File...", this, SLOT(fileOpenSegmentPm()));
file->insertItem("&Open Polyline Arr File...", this, SLOT(fileOpenPolylinePm()));
file->insertItem("&Open Conic Pm File", this, SLOT(fileOpenConicPm()));
*/
file->insertItem("&Open Input File...", this, SLOT(fileOpenSegment()));
file->insertItem("&Open Output File...", this, SLOT(fileOpenConic()));
file->insertItem("&Save...", this, SLOT(fileSave()));
file->insertItem("&Save As...", this, SLOT(fileSaveAs()));
//file->insertItem("&Save to ps...", this, SLOT(fileSave_ps()));
file->insertSeparator();
file->insertItem("&Print...", this , SLOT(print()));
file->insertSeparator();
file->insertItem( "&Close", this, SLOT(close()), CTRL+Key_X );
file->insertItem( "&Quit", qApp, SLOT( closeAllWindows() ), CTRL+Key_Q );
menuBar()->insertSeparator();
// tab menu
QPopupMenu * tab = new QPopupMenu( this );
menuBar()->insertItem( "&Tab", tab );
/*
tab->insertItem("Add &Segment Tab", this, SLOT(add_segment_tab()));
tab->insertItem("Add &Polyline Tab", this, SLOT(add_polyline_tab()));
#ifdef CGAL_USE_CORE
tab->insertItem("Add &Conic Tab", this, SLOT(add_conic_tab()));
tab->insertSeparator();
#endif
*/
tab->insertItem("Remove &Tab", this, SLOT(remove_tab()));
menuBar()->insertSeparator();
// mode menu
QPopupMenu * mode = new QPopupMenu( this );
menuBar()->insertItem( "&Mode", mode );
insertMode->addTo( mode );
deleteMode->addTo( mode );
pointLocationMode->addTo( mode );
dragMode->addTo( mode );
menuBar()->insertSeparator();
// snap mode menu
QPopupMenu * snap_mode = new QPopupMenu( this );
menuBar()->insertItem( "&Snap mode", snap_mode );
setSnapMode->addTo(snap_mode);
setGridSnapMode->addTo(snap_mode);
menuBar()->insertSeparator();
// traits menu
/*QPopupMenu * traits = new QPopupMenu( this );
menuBar()->insertItem( "&Traits Type", traits );
setSegmentTraits->addTo(traits);
setPolylineTraits->addTo(traits);
#ifdef CGAL_USE_CORE
setConicTraits->addTo(traits);
#endif
*/
// options menu
QPopupMenu * options = new QPopupMenu( this );
menuBar()->insertItem( "&Options", options );
options->insertSeparator();
//options->insertItem("Overlay...", this, SLOT(overlay_pm()));
options->insertSeparator();
options->insertItem("Properties...", this, SLOT(properties()));
options->insertSeparator();
options->insertItem("Show Grid", this, SLOT(showGrid()));
options->insertItem("Hide Grid", this, SLOT(hideGrid()));
options->insertSeparator();
//options->insertItem("Conic Type", this, SLOT(conicType()));
//options->insertSeparator();
options->insertItem("Unbounded Face Color...", this, SLOT(backGroundColor()));
options->insertSeparator();
options->insertItem("Edge Color...", this, SLOT(changeEdgeColor()));
options->insertSeparator();
options->insertItem("Vertex Color...", this, SLOT(changeVertexColor()));
options->insertSeparator();
/*options->insertItem("Point-Locaiton Strategy....", this ,
SLOT(pointLocationStrategy()));
*/
QToolBar *modeTools = new QToolBar( this, "mode operations" );
modeTools->setLabel( "Mode Operations" );
insertMode->addTo( modeTools );
deleteMode->addTo( modeTools );
pointLocationMode->addTo( modeTools );
dragMode->addTo( modeTools );
modeTools->addSeparator();
QToolBar *snapModeTools = new QToolBar( this, "snapMode operations" );
snapModeTools->setLabel( "Snap Mode Operations" );
snapModeTools->addSeparator();
setSnapMode->addTo( snapModeTools );
setGridSnapMode->addTo( snapModeTools );
snapModeTools->addSeparator();
/*QToolBar *traitsTool = new QToolBar( this, "traits type" );
traitsTool->setLabel( "Traits Type" );
traitsTool->addSeparator();
setSegmentTraits->addTo( traitsTool );
setPolylineTraits->addTo( traitsTool );
#ifdef CGAL_USE_CORE
setConicTraits->addTo( traitsTool );
#endif
traitsTool->addSeparator();
*/
QToolBar *zoomTool = new QToolBar( this, "zoom" );
zoomTool->setLabel( "Zoom" );
zoomTool->addSeparator();
zoomoutBt->addTo( zoomTool );
zoominBt->addTo( zoomTool );
zoomTool->addSeparator();
QToolBar *colorTool = new QToolBar( this, "color" );
colorTool->addSeparator();
colorTool->setLabel("Choose color");
color_dialog_bt->addTo(colorTool);
colorTool->addSeparator();
QToolBar *cartoTool = new QToolBar( this, "cartograms" );
cartoTool->addSeparator();
cartoTool->setLabel("Cartograms");
carto_new->addTo(cartoTool);
carto_weights->addTo(cartoTool);
carto_start->addTo(cartoTool);
carto_it->addTo(cartoTool);
cartoTool->addSeparator();
/*
#ifdef CGAL_USE_CORE
conicTypeTool = new QToolBar( this, "conic type" );
conicTypeTool->setLabel( "Conic Type" );
conicTypeTool->addSeparator();
setSegment->addTo( conicTypeTool );
setCircle->addTo( conicTypeTool );
setEllipse->addTo( conicTypeTool );
setParabola->addTo( conicTypeTool );
setHyperbola->addTo( conicTypeTool );
#endif
*/
connect( zoomoutBt, SIGNAL( activated () ) ,
this, SLOT( zoomout() ) );
connect( zoominBt, SIGNAL( activated () ) ,
this, SLOT( zoomin() ) );
connect (color_dialog_bt , SIGNAL( activated()) ,
this , SLOT(openColorDialog() ) );
// connect mode group
connect( modeGroup, SIGNAL( selected(QAction*) ),
this, SLOT( updateMode(QAction*) ) );
// connect Traits Group
/* connect( traitsGroup, SIGNAL( selected(QAction*) ),
this, SLOT( updateTraitsType(QAction*) ) );
#ifdef CGAL_USE_CORE
// connect Conic Type Group
connect( conicTypeGroup, SIGNAL( selected(QAction*) ),
this, SLOT( updateConicType(QAction*) ) );
#endif
*/
// connect Snap Mode
connect( setSnapMode, SIGNAL( toggled( bool ) ) ,
this, SLOT( updateSnapMode( bool ) ) );
connect( setGridSnapMode, SIGNAL( toggled( bool ) ) ,
this, SLOT( updateGridSnapMode( bool ) ) );
// connect the change of current tab
connect( myBar, SIGNAL( currentChanged(QWidget * ) ),
this, SLOT( update() ) );
// connect cartogram actions
connect( carto_start, SIGNAL( activated () ) ,
this, SLOT( cartogram_start() ) );
connect( carto_weights, SIGNAL( activated () ) ,
this, SLOT( cartogram_weights() ) );
connect( carto_it, SIGNAL( activated () ) ,
this, SLOT( print_all_weights()));
connect( carto_new, SIGNAL( activated () ) ,
this, SLOT( cartogram_balance() ) );
colors = new QColor[num_of_colors];
colors[0] = Qt::blue;
colors[1] = Qt::gray;
colors[2] = Qt::green;
colors[3] = Qt::cyan;
colors[4] = Qt::magenta;
colors[5] = Qt::darkRed;
colors[6] = Qt::darkGreen;
colors[7] = Qt::darkBlue;
colors[8] = Qt::darkMagenta;
colors[9] = Qt::darkCyan;
colors[10] = Qt::yellow;
colors[11] = Qt::white;
colors[12] = Qt::darkGray;
colors[13] = Qt::gray;
colors[14] = Qt::red;
colors[15] = Qt::cyan;
colors[16] = Qt::darkYellow;
colors[17] = Qt::lightGray;
//state flag
old_state = 0;
add_conic_tab();
resize(m_width,m_height);
}
