// Handle automatic scroll-selection if mouse selection dragged off table edge
void Fl_Table::_auto_drag_cb()
{
int lx = Fl::e_x,
ly = Fl::e_y;
if (_selecting == CONTEXT_COL_HEADER)
{ ly = y() + col_header_height(); }
else if (_selecting == CONTEXT_ROW_HEADER)
{ lx = x() + row_header_width(); }
if (lx > x() + w() - 20)
{
Fl::e_x = x() + w() - 20;
if (hscrollbar->visible())
((Fl_Slider*)hscrollbar)->value(
hscrollbar->clamp(hscrollbar->value() + 30));
hscrollbar->do_callback();
_dragging_x = Fl::e_x - 30;
}
else if (lx < (x() + row_header_width()))
{
Fl::e_x = x() + row_header_width() + 1;
if (hscrollbar->visible())
((Fl_Slider*)hscrollbar)->value(
hscrollbar->clamp(hscrollbar->value() - 30));
hscrollbar->do_callback();
_dragging_x = Fl::e_x + 30;
}
if (ly > y() + h() - 20)
{
Fl::e_y = y() + h() - 20;
if (vscrollbar->visible())
((Fl_Slider*)vscrollbar)->value(
vscrollbar->clamp(vscrollbar->value() + 30));
vscrollbar->do_callback();
_dragging_y = Fl::e_y - 30;
}
else if (ly < (y() + col_header_height()))
{
Fl::e_y = y() + col_header_height() + 1;
if (vscrollbar->visible())
((Fl_Slider*)vscrollbar)->value(
vscrollbar->clamp(vscrollbar->value() - 30));
vscrollbar->do_callback();
_dragging_y = Fl::e_y + 30;
}
_auto_drag = 2;
handle(FL_DRAG);
_auto_drag = 1;
Fl::e_x = lx;
Fl::e_y = ly;
Fl::check();
Fl::flush();
if (Fl::event_buttons() && _auto_drag)
{ Fl::add_timeout(0.05, _auto_drag_cb2, this); }
}
// Recalculate the window dimensions
void Fl_Table_Copy::recalc_dimensions() {
// Recalc to* (Table Outer), ti* (Table Inner), wi* ( Widget Inner)
wix = ( x() + Fl::box_dx(box())); tox = wix; tix = tox + Fl::box_dx(table->box());
wiy = ( y() + Fl::box_dy(box())); toy = wiy; tiy = toy + Fl::box_dy(table->box());
wiw = ( w() - Fl::box_dw(box())); tow = wiw; tiw = tow - Fl::box_dw(table->box());
wih = ( h() - Fl::box_dh(box())); toh = wih; tih = toh - Fl::box_dh(table->box());
// Trim window if headers enabled
if ( col_header() ) {
tiy += col_header_height(); toy += col_header_height();
tih -= col_header_height(); toh -= col_header_height();
}
if ( row_header() ) {
tix += row_header_width(); tox += row_header_width();
tiw -= row_header_width(); tow -= row_header_width();
}
// Make scroll bars disappear if window large enough
{
// First pass: can hide via window size?
int hidev = (table_h <= tih);
int hideh = (table_w <= tiw);
#if FLTK_ABI_VERSION >= 10301
// NEW
int scrollsize = _scrollbar_size ? _scrollbar_size : Fl::scrollbar_size();
#else
// OLD
int scrollsize = Fl::scrollbar_size();
#endif
// Second pass: Check for interference
if( _showVScrollbar ) { //MK
if ( !hideh & hidev ) { hidev = (( table_h - tih + scrollsize ) <= 0 ); }
} else {
hidev = 1;
}
if ( !hidev & hideh ) { hideh = (( table_w - tiw + scrollsize ) <= 0 ); }
// Determine scrollbar visibility, trim ti[xywh]/to[xywh]
if ( hidev ) { vscrollbar->hide(); }
//MK
//else { vscrollbar->show(); tiw -= scrollsize; tow -= scrollsize;}
else {
vscrollbar->show();
if( _showVScrollbar ) {
tiw -= scrollsize; tow -= scrollsize;
}
}
//MK Ende
if ( hideh ) { hscrollbar->hide(); }
else { hscrollbar->show(); tih -= scrollsize; toh -= scrollsize; }
}
// Resize the child table
table->resize(tox, toy, tow, toh);
table->init_sizes();
}
// Find X/Y/W/H for cell at R/C
// If R or C are out of range, returns -1
// with X/Y/W/H set to zero.
//
int Fl_Table_Copy::find_cell(TableContext context, int R, int C, int &X, int &Y, int &W, int &H) {
if ( row_col_clamp(context, R, C) ) { // row or col out of range? error
X=Y=W=H=0;
return(-1);
}
X = col_scroll_position(C) - hscrollbar->value() + tix;
Y = row_scroll_position(R) - vscrollbar->value() + tiy;
W = col_width(C);
H = row_height(R);
switch ( context ) {
case CONTEXT_COL_HEADER:
Y = wiy;
H = col_header_height();
return(0);
case CONTEXT_ROW_HEADER:
X = wix;
W = row_header_width();
return(0);
case CONTEXT_CELL:
return(0);
case CONTEXT_TABLE:
return(0);
// TODO -- HANDLE OTHER CONTEXTS
default:
fprintf(stderr, "Fl_Table_Copy::find_cell: unknown context %d\n", (int)context);
return(-1);
}
//NOTREACHED
}
// Return bounding region for given context
void Fl_Table_Copy::get_bounds(TableContext context, int &X, int &Y, int &W, int &H) {
switch ( context ) {
case CONTEXT_COL_HEADER:
// Column header clipping.
X = tox;
Y = wiy;
W = tow;
H = col_header_height();
return;
case CONTEXT_ROW_HEADER:
// Row header clipping.
X = wix;
Y = toy;
W = row_header_width();
H = toh;
return;
case CONTEXT_TABLE:
// Table inner dimensions
X = tix; Y = tiy; W = tiw; H = tih;
return;
// TODO: Add other contexts..
default:
fprintf(stderr, "Fl_Table_Copy::get_bounds(): context %d unimplemented\n", (int)context);
return;
}
//NOTREACHED
}
// Recalculate the window dimensions
void Fl_Table::recalc_dimensions()
{
// Recalc to* (Table Outer), ti* (Table Inner), wi* ( Widget Inner)
wix = ( x() + Fl::box_dx(box())); tox = wix; tix = tox + Fl::box_dx(table->box());
wiy = ( y() + Fl::box_dy(box())); toy = wiy; tiy = toy + Fl::box_dy(table->box());
wiw = ( w() - Fl::box_dw(box())); tow = wiw; tiw = tow - Fl::box_dw(table->box());
wih = ( h() - Fl::box_dh(box())); toh = wih; tih = toh - Fl::box_dh(table->box());
// Trim window if headers enabled
if ( col_header() )
{
tiy += col_header_height(); toy += col_header_height();
tih -= col_header_height(); toh -= col_header_height();
}
if ( row_header() )
{
tix += row_header_width(); tox += row_header_width();
tiw -= row_header_width(); tow -= row_header_width();
}
// Make scroll bars disappear if window large enough
{
// First pass: can hide via window size?
int hidev = (table_h <= tih),
hideh = (table_w <= tiw);
// Second pass: Check for interference
if ( !hideh & hidev ) { hidev = (( table_h - tih + SCROLLBAR_SIZE ) <= 0 ); }
if ( !hidev & hideh ) { hideh = (( table_w - tiw + SCROLLBAR_SIZE ) <= 0 ); }
// Determine scrollbar visibility, trim ti[xywh]/to[xywh]
if ( hidev ) { vscrollbar->hide(); }
else { vscrollbar->show(); tiw -= SCROLLBAR_SIZE; tow -= SCROLLBAR_SIZE; }
if ( hideh ) { hscrollbar->hide(); }
else { hscrollbar->show(); tih -= SCROLLBAR_SIZE; toh -= SCROLLBAR_SIZE; }
}
// Resize the child table
table->resize(tox, toy, tow, toh);
table->init_sizes();
}
WidgetTable::WidgetTable(int x, int y, int w, int h, const char *l = 0) : Fl_Table_Row(x, y, w, h, l)
{
table_rows, table_cols = 20;
col_header(1);
col_resize(0);
col_header_height(20);
row_header(0);
row_resize(0);
row_header_width(30);
end();
}
UIPartList::UIPartList(int x, int y, int w, int h):Fl_Table_Row(x, y, w, h){
_info = null;
cols(7);
col_header(1);
col_header_height(24);
}
// Handle FLTK events
int Fl_Table_Copy::handle(int event) {
PRINTEVENT;
int ret = Fl_Group::handle(event); // let FLTK group handle events first
// Which row/column are we over?
int R, C; // row/column being worked on
ResizeFlag resizeflag; // which resizing area are we over? (0=none)
TableContext context = cursor2rowcol(R, C, resizeflag);
if (ret) {
if (Fl::event_inside(hscrollbar) || Fl::event_inside(vscrollbar)) return 1;
if ( context != CONTEXT_ROW_HEADER && // mouse not in row header (STR#2742)
context != CONTEXT_COL_HEADER && // mouse not in col header (STR#2742)
Fl::focus() != this && // we don't have focus?
contains(Fl::focus())) { // focus is a child?
return 1;
}
}
// Make snapshots of realtime event states *before* we service user's cb,
// which may do things like post popup menus that return with unexpected button states.
int _event_button = Fl::event_button();
int _event_clicks = Fl::event_clicks();
int _event_x = Fl::event_x();
int _event_y = Fl::event_y();
int _event_key = Fl::event_key();
#if FLTK_ABI_VERSION >= 10303
int _event_state = Fl::event_state();
#endif
Fl_Widget *_focus = Fl::focus();
switch ( event ) {
case FL_PUSH:
// Single left-click on table? do user's callback with CONTEXT_TABLE
if (_event_button == 1 && !_event_clicks) {
if (_focus == this) {
take_focus();
do_callback(CONTEXT_TABLE, -1, -1);
ret = 1;
}
damage_zone(current_row, current_col, select_row, select_col, R, C);
if (context == CONTEXT_CELL) {
current_row = select_row = R;
current_col = select_col = C;
_selecting = CONTEXT_CELL;
} else {
// Clear selection if not resizing row/col
if ( !resizeflag ) {
current_row = select_row = -1;
current_col = select_col = -1;
}
}
}
// A click on table with user's callback defined?
// Need this for eg. right click to pop up a menu
//
if ( Fl_Widget::callback() && // callback defined?
resizeflag == RESIZE_NONE ) { // not resizing?
do_callback(context, R, C); // do callback with context (cell, header, etc)
}
// Handle selection if handling a left-click
// Use snapshot of _event_button we made before servicing user's cb's
// to avoid checking realtime state of buttons which may have changed
// during the user's callbacks.
//
switch ( context ) {
case CONTEXT_CELL:
// FL_PUSH on a cell?
ret = 1; // express interest in FL_RELEASE
break;
case CONTEXT_NONE:
// FL_PUSH on table corner?
if ( _event_button == 1 && _event_x < x() + row_header_width()) {
current_col = 0;
select_col = cols() - 1;
current_row = 0;
select_row = rows() - 1;
damage_zone(current_row, current_col, select_row, select_col);
ret = 1;
}
break;
case CONTEXT_COL_HEADER:
// FL_PUSH on a column header?
if ( _event_button == 1) {
// Resizing? Handle it
if ( resizeflag ) {
// Start resize if left click on column border.
// "ret=1" ensures we get drag events from now on.
// (C-1) is used if mouse is over the left hand side
// of cell, so we resize the next column on the left.
//
_resizing_col = ( resizeflag & RESIZE_COL_LEFT ) ? C-1 : C;
_resizing_row = -1;
_dragging_x = _event_x;
ret = 1;
} else {
// Not resizing? Select the column
if ( Fl::focus() != this && contains(Fl::focus()) ) return 0; // STR #3018 - item 1
current_col = select_col = C;
current_row = 0;
select_row = rows() - 1;
_selecting = CONTEXT_COL_HEADER;
damage_zone(current_row, current_col, select_row, select_col);
ret = 1;
}
}
break;
case CONTEXT_ROW_HEADER:
// FL_PUSH on a row header?
if ( _event_button == 1 ) {
// Resizing? Handle it
if ( resizeflag ) {
// Start resize if left mouse clicked on row border.
// "ret = 1" ensures we get drag events from now on.
// (R-1) is used if mouse is over the top of the cell,
// so that we resize the row above.
//
_resizing_row = ( resizeflag & RESIZE_ROW_ABOVE ) ? R-1 : R;
_resizing_col = -1;
_dragging_y = _event_y;
ret = 1;
} else {
// Not resizing? Select the row
if ( Fl::focus() != this && contains(Fl::focus()) ) return 0; // STR #3018 - item 1
current_row = select_row = R;
current_col = 0;
select_col = cols() - 1;
_selecting = CONTEXT_ROW_HEADER;
damage_zone(current_row, current_col, select_row, select_col);
ret = 1;
}
}
break;
default:
ret = 0; // express disinterest
break;
}
_last_row = R;
break;
case FL_DRAG:
if (_auto_drag == 1) {
ret = 1;
break;
}
if ( _resizing_col > -1 ) {
// Dragging column?
//
// Let user drag even /outside/ the row/col widget.
// Don't allow column width smaller than 1.
// Continue to show FL_CURSOR_WE at all times during drag.
//
int offset = _dragging_x - _event_x;
int new_w = col_width(_resizing_col) - offset;
if ( new_w < _col_resize_min ) new_w = _col_resize_min;
col_width(_resizing_col, new_w);
_dragging_x = _event_x;
table_resized();
redraw();
change_cursor(FL_CURSOR_WE);
ret = 1;
if ( Fl_Widget::callback() && when() & FL_WHEN_CHANGED ) {
do_callback(CONTEXT_RC_RESIZE, R, C);
}
}
else if ( _resizing_row > -1 ) {
// Dragging row?
//
// Let user drag even /outside/ the row/col widget.
// Don't allow row width smaller than 1.
// Continue to show FL_CURSOR_NS at all times during drag.
//
int offset = _dragging_y - _event_y;
int new_h = row_height(_resizing_row) - offset;
if ( new_h < _row_resize_min ) new_h = _row_resize_min;
row_height(_resizing_row, new_h);
_dragging_y = _event_y;
table_resized();
redraw();
change_cursor(FL_CURSOR_NS);
ret = 1;
if ( Fl_Widget::callback() && when() & FL_WHEN_CHANGED ) {
do_callback(CONTEXT_RC_RESIZE, R, C);
}
} else {
if (_event_button == 1 &&
_selecting == CONTEXT_CELL &&
context == CONTEXT_CELL) {
// Dragging a cell selection?
if ( _event_clicks ) break; // STR #3018 - item 2
if (select_row != R || select_col != C) {
damage_zone(current_row, current_col, select_row, select_col, R, C);
}
select_row = R;
select_col = C;
ret = 1;
}
else if (_event_button == 1 &&
_selecting == CONTEXT_ROW_HEADER &&
context & (CONTEXT_ROW_HEADER|CONTEXT_COL_HEADER|CONTEXT_CELL)) {
if (select_row != R) {
damage_zone(current_row, current_col, select_row, select_col, R, C);
}
select_row = R;
ret = 1;
}
else if (_event_button == 1 &&
_selecting == CONTEXT_COL_HEADER
&& context & (CONTEXT_ROW_HEADER|CONTEXT_COL_HEADER|CONTEXT_CELL)) {
if (select_col != C) {
damage_zone(current_row, current_col, select_row, select_col, R, C);
}
select_col = C;
ret = 1;
}
}
// Enable autodrag if not resizing, and mouse has moved off table edge
if ( _resizing_row < 0 && _resizing_col < 0 && _auto_drag == 0 &&
( _event_x > x() + w() - 20 ||
_event_x < x() + row_header_width() ||
_event_y > y() + h() - 20 ||
_event_y < y() + col_header_height()
) ) {
_start_auto_drag();
}
break;
case FL_RELEASE:
_stop_auto_drag();
switch ( context ) {
case CONTEXT_ROW_HEADER: // release on row header
case CONTEXT_COL_HEADER: // release on col header
case CONTEXT_CELL: // release on a cell
case CONTEXT_TABLE: // release on dead zone
if ( _resizing_col == -1 && // not resizing a column
_resizing_row == -1 && // not resizing a row
Fl_Widget::callback() && // callback defined
when() & FL_WHEN_RELEASE && // on button release
_last_row == R ) { // release on same row PUSHed?
// Need this for eg. left clicking on a cell to select it
do_callback(context, R, C);
}
break;
default:
break;
}
if ( _event_button == 1 ) {
change_cursor(FL_CURSOR_DEFAULT);
_resizing_col = -1;
_resizing_row = -1;
ret = 1;
}
break;
case FL_MOVE:
if ( context == CONTEXT_COL_HEADER && // in column header?
resizeflag ) { // resize + near boundary?
change_cursor(FL_CURSOR_WE); // show resize cursor
}
else if ( context == CONTEXT_ROW_HEADER && // in row header?
resizeflag ) { // resize + near boundary?
change_cursor(FL_CURSOR_NS); // show resize cursor
} else {
change_cursor(FL_CURSOR_DEFAULT); // normal cursor
}
ret = 1;
break;
case FL_ENTER: // See FLTK event docs on the FL_ENTER widget
if (!ret) take_focus();
ret = 1;
//FALLTHROUGH
case FL_LEAVE: // We want to track the mouse if resizing is allowed.
if ( resizeflag ) {
ret = 1;
}
if ( event == FL_LEAVE ) {
_stop_auto_drag();
change_cursor(FL_CURSOR_DEFAULT);
}
break;
case FL_FOCUS:
Fl::focus(this);
//FALLTHROUGH
case FL_UNFOCUS:
_stop_auto_drag();
ret = 1;
break;
case FL_KEYBOARD: {
ret = 0;
int is_row = select_row;
int is_col = select_col;
switch(_event_key) {
case FL_Home:
ret = move_cursor(0, -1000000);
break;
case FL_End:
ret = move_cursor(0, 1000000);
break;
case FL_Page_Up:
ret = move_cursor(-(botrow - toprow - 1), 0);
break;
case FL_Page_Down:
ret = move_cursor(botrow - toprow - 1 , 0);
break;
case FL_Left:
ret = move_cursor(0, -1);
break;
case FL_Right:
ret = move_cursor(0, 1);
break;
case FL_Up:
ret = move_cursor(-1, 0);
break;
case FL_Down:
ret = move_cursor(1, 0);
break;
case FL_Tab:
#if FLTK_ABI_VERSION >= 10303
if ( !tab_cell_nav() ) break; // not navigating cells? let fltk handle it (STR#2862)
if ( _event_state & FL_SHIFT ) {
ret = move_cursor(0, -1, 0); // shift-tab -> left
} else {
ret = move_cursor(0, 1, 0); // tab -> right
}
break;
#else
break; // without tab_cell_nav(), Fl_Table_Copy should default to navigating widgets, not cells
#endif
}
if (ret && Fl::focus() != this) {
do_callback(CONTEXT_TABLE, -1, -1);
take_focus();
}
//if (!ret && Fl_Widget::callback() && when() & FL_WHEN_NOT_CHANGED )
if ( Fl_Widget::callback() &&
(
( !ret && when() & FL_WHEN_NOT_CHANGED ) ||
( is_row!= select_row || is_col!= select_col )
)
) {
do_callback(CONTEXT_CELL, select_row, select_col);
//damage_zone(current_row, current_col, select_row, select_col);
ret = 1;
}
break;
}
default:
change_cursor(FL_CURSOR_DEFAULT);
break;
}
return(ret);
}
// Draw the entire Fl_Table_Copy
// Override the draw() routine to draw the table.
// Then tell the group to draw over us.
//
void Fl_Table_Copy::draw() {
#if FLTK_ABI_VERSION >= 10301
// NEW
int scrollsize = _scrollbar_size ? _scrollbar_size : Fl::scrollbar_size();
#else
// OLD
int scrollsize = Fl::scrollbar_size();
#endif
// Check if scrollbar size changed
if ( ( vscrollbar && (scrollsize != vscrollbar->w()) ) ||
( hscrollbar && (scrollsize != hscrollbar->h()) ) ) {
// handle size change, min/max, table dim's, etc
table_resized();
}
draw_cell(CONTEXT_STARTPAGE, 0, 0, // let user's drawing routine
tix, tiy, tiw, tih); // prep new page
// Let fltk widgets draw themselves first. Do this after
// draw_cell(CONTEXT_STARTPAGE) in case user moves widgets around.
// Use window 'inner' clip to prevent drawing into table border.
// (unfortunately this clips FLTK's border, so we must draw it explicity below)
//
fl_push_clip(wix, wiy, wiw, wih);
{
Fl_Group::draw();
}
fl_pop_clip();
// Explicitly draw border around widget, if any
draw_box(box(), x(), y(), w(), h(), color());
// If Fl_Scroll 'table' is hidden, draw its box
// Do this after Fl_Group::draw() so we draw over scrollbars
// that leak around the border.
//
if ( ! table->visible() ) {
if ( damage() & FL_DAMAGE_ALL || damage() & FL_DAMAGE_CHILD ) {
draw_box(table->box(), tox, toy, tow, toh, table->color());
}
}
// Clip all further drawing to the inner widget dimensions
fl_push_clip(wix, wiy, wiw, wih);
{
// Only redraw a few cells?
if ( ! ( damage() & FL_DAMAGE_ALL ) && _redraw_leftcol != -1 ) {
fl_push_clip(tix, tiy, tiw, tih);
for ( int c = _redraw_leftcol; c <= _redraw_rightcol; c++ ) {
for ( int r = _redraw_toprow; r <= _redraw_botrow; r++ ) {
_redraw_cell(CONTEXT_CELL, r, c);
}
}
fl_pop_clip();
}
if ( damage() & FL_DAMAGE_ALL ) {
int X,Y,W,H;
// Draw row headers, if any
if ( row_header() ) {
get_bounds(CONTEXT_ROW_HEADER, X, Y, W, H);
fl_push_clip(X,Y,W,H);
for ( int r = toprow; r <= botrow; r++ ) {
_redraw_cell(CONTEXT_ROW_HEADER, r, 0);
}
fl_pop_clip();
}
// Draw column headers, if any
if ( col_header() ) {
get_bounds(CONTEXT_COL_HEADER, X, Y, W, H);
fl_push_clip(X,Y,W,H);
for ( int c = leftcol; c <= rightcol; c++ ) {
_redraw_cell(CONTEXT_COL_HEADER, 0, c);
}
fl_pop_clip();
}
// Draw all cells.
// This includes cells partially obscured off edges of table.
// No longer do this last; you might think it would be nice
// to draw over dead zones, but on redraws it flickers. Avoid
// drawing over deadzones; prevent deadzones by sizing columns.
//
fl_push_clip(tix, tiy, tiw, tih); {
for ( int r = toprow; r <= botrow; r++ ) {
for ( int c = leftcol; c <= rightcol; c++ ) {
_redraw_cell(CONTEXT_CELL, r, c);
}
}
}
fl_pop_clip();
// Draw little rectangle in corner of headers
if ( row_header() && col_header() ) {
fl_rectf(wix, wiy, row_header_width(), col_header_height(), color());
}
// Table has a boxtype? Close those few dead pixels
if ( table->box() ) {
if ( col_header() ) {
fl_rectf(tox, wiy, Fl::box_dx(table->box()), col_header_height(), color());
}
if ( row_header() ) {
fl_rectf(wix, toy, row_header_width(), Fl::box_dx(table->box()), color());
}
}
// Table width smaller than window? Fill remainder with rectangle
if ( table_w < tiw ) {
fl_rectf(tix + table_w, tiy, tiw - table_w, tih, color());
// Col header? fill that too
if ( col_header() ) {
fl_rectf(tix + table_w,
wiy,
// get that corner just right..
(tiw - table_w + Fl::box_dw(table->box()) -
Fl::box_dx(table->box())),
col_header_height(),
color());
}
}
// Table height smaller than window? Fill remainder with rectangle
if ( table_h < tih ) {
fl_rectf(tix, tiy + table_h, tiw, tih - table_h, color());
if ( row_header() ) {
// NOTE:
// Careful with that lower corner; don't use tih; when eg.
// table->box(FL_THIN_UPFRAME) and hscrollbar hidden,
// leaves a row of dead pixels.
//
fl_rectf(wix, tiy + table_h, row_header_width(),
(wiy+wih) - (tiy+table_h) -
( hscrollbar->visible() ? scrollsize : 0),
color());
}
}
}
// Both scrollbars? Draw little box in lower right
if ( vscrollbar->visible() && hscrollbar->visible() ) {
fl_rectf(vscrollbar->x(), hscrollbar->y(),
vscrollbar->w(), hscrollbar->h(), color());
}
draw_cell(CONTEXT_ENDPAGE, 0, 0, // let user's drawing
tix, tiy, tiw, tih); // routines cleanup
_redraw_leftcol = _redraw_rightcol = _redraw_toprow = _redraw_botrow = -1;
}
fl_pop_clip();
}
// Handle FLTK events
int Fl_Table::handle(int event)
{
PRINTEVENT;
int ret = Fl_Group::handle(event); // let FLTK group handle events first
if (ret) {
if (Fl::event_inside(hscrollbar) || Fl::event_inside(vscrollbar)) return 1;
if (Fl::focus() != this && contains(Fl::focus())) return 1;
}
// Which row/column are we over?
int R, C; // row/column being worked on
ResizeFlag resizeflag; // which resizing area are we over? (0=none)
TableContext context = cursor2rowcol(R, C, resizeflag);
switch ( event )
{
case FL_PUSH:
if (Fl::event_button() == 1 && !Fl::event_clicks())
{
if (Fl::focus() != this)
{
take_focus();
do_callback(CONTEXT_TABLE, -1, -1);
ret = 1;
}
damage_zone(current_row, current_col, select_row, select_col, R, C);
if (context == CONTEXT_CELL)
{
current_row = select_row = R;
current_col = select_col = C;
_selecting = CONTEXT_CELL;
}
else
{
current_row = select_row = -1;
current_col = select_col = -1;
}
}
// Need this for eg. right click to pop up a menu
if ( Fl_Widget::callback() && // callback defined?
resizeflag == RESIZE_NONE ) // not resizing?
{ do_callback(context, R, C); } // do callback
switch ( context )
{
case CONTEXT_CELL:
// FL_PUSH on a cell?
ret = 1; // express interest in FL_RELEASE
break;
case CONTEXT_NONE:
// FL_PUSH on table corner?
if ( Fl::event_button() == 1 &&
Fl::event_x() < x() + row_header_width())
{
current_col = 0;
select_col = cols() - 1;
current_row = 0;
select_row = rows() - 1;
damage_zone(current_row, current_col, select_row, select_col);
ret = 1;
}
break;
case CONTEXT_COL_HEADER:
// FL_PUSH on a column header?
if ( Fl::event_button() == 1)
{
// Resizing? Handle it
if ( resizeflag )
{
// Start resize if left click on column border.
// "ret=1" ensures we get drag events from now on.
// (C-1) is used if mouse is over the left hand side
// of cell, so we resize the next column on the left.
//
_resizing_col = ( resizeflag & RESIZE_COL_LEFT ) ? C-1 : C;
_resizing_row = -1;
_dragging_x = Fl::event_x();
ret = 1;
}
else
{
// Not resizing? Select the column
current_col = select_col = C;
current_row = 0;
select_row = rows() - 1;
_selecting = CONTEXT_COL_HEADER;
damage_zone(current_row, current_col,
select_row, select_col);
ret = 1;
}
}
break;
case CONTEXT_ROW_HEADER:
// FL_PUSH on a row header?
if ( Fl::event_button() == 1 )
{
// Resizing? Handle it
if ( resizeflag )
{
// Start resize if left mouse clicked on row border.
// "ret = 1" ensures we get drag events from now on.
// (R-1) is used if mouse is over the top of the cell,
// so that we resize the row above.
//
_resizing_row = ( resizeflag & RESIZE_ROW_ABOVE ) ? R-1 : R;
_resizing_col = -1;
_dragging_y = Fl::event_y();
ret = 1;
}
else
{
// Not resizing? Select the row
current_row = select_row = R;
current_col = 0;
select_col = cols() - 1;
_selecting = CONTEXT_ROW_HEADER;
damage_zone(current_row, current_col,
select_row, select_col);
ret = 1;
}
}
break;
default:
ret = 0; // express disinterest
break;
}
_last_row = R;
break;
case FL_DRAG:
if (_auto_drag == 1) {
ret = 1;
break;
}
if ( _resizing_col > -1 )
{
// Dragging column?
//
// Let user drag even /outside/ the row/col widget.
// Don't allow column width smaller than 1.
// Continue to show FL_CURSOR_WE at all times during drag.
//
int offset = _dragging_x - Fl::event_x();
int new_w = col_width(_resizing_col) - offset;
if ( new_w < _col_resize_min ) new_w = _col_resize_min;
col_width(_resizing_col, new_w);
_dragging_x = Fl::event_x();
table_resized();
redraw();
change_cursor(FL_CURSOR_WE);
ret = 1;
if ( Fl_Widget::callback() && when() & FL_WHEN_CHANGED )
{ do_callback(CONTEXT_RC_RESIZE, R, C); }
}
else if ( _resizing_row > -1 )
{
// Dragging row?
//
// Let user drag even /outside/ the row/col widget.
// Don't allow row width smaller than 1.
// Continue to show FL_CURSOR_NS at all times during drag.
//
int offset = _dragging_y - Fl::event_y();
int new_h = row_height(_resizing_row) - offset;
if ( new_h < _row_resize_min ) new_h = _row_resize_min;
row_height(_resizing_row, new_h);
_dragging_y = Fl::event_y();
table_resized();
redraw();
change_cursor(FL_CURSOR_NS);
ret = 1;
if ( Fl_Widget::callback() && when() & FL_WHEN_CHANGED )
{ do_callback(CONTEXT_RC_RESIZE, R, C); }
} else {
if (Fl::event_button() == 1 && _selecting == CONTEXT_CELL
&& context == CONTEXT_CELL)
{
if (select_row != R || select_col != C)
damage_zone(current_row, current_col, select_row, select_col, R, C);
select_row = R;
select_col = C;
ret = 1;
} else if (Fl::event_button() == 1 && _selecting == CONTEXT_ROW_HEADER
&& context & (CONTEXT_ROW_HEADER|CONTEXT_COL_HEADER|CONTEXT_CELL))
{
if (select_row != R)
damage_zone(current_row, current_col, select_row, select_col, R, C);
select_row = R;
ret = 1;
} else if (Fl::event_button() == 1 && _selecting == CONTEXT_COL_HEADER
&& context & (CONTEXT_ROW_HEADER|CONTEXT_COL_HEADER|CONTEXT_CELL))
{
if (select_col != C)
damage_zone(current_row, current_col, select_row, select_col, R, C);
select_col = C;
ret = 1;
}
}
// Enable autodrag if not resizing, and mouse has moved off table edge
if ( _resizing_row < 0 && _resizing_col < 0 && _auto_drag == 0 &&
( Fl::event_x() > x() + w() - 20 ||
Fl::event_x() < x() + row_header_width() ||
Fl::event_y() > y() + h() - 20 ||
Fl::event_y() < y() + col_header_height()
) )
{
_start_auto_drag();
}
break;
case FL_RELEASE:
_stop_auto_drag();
switch ( context )
{
case CONTEXT_ROW_HEADER: // release on row header
case CONTEXT_COL_HEADER: // release on col header
case CONTEXT_CELL: // release on a cell
case CONTEXT_TABLE: // release on dead zone
if ( _resizing_col == -1 && // not resizing a column
_resizing_row == -1 && // not resizing a row
Fl_Widget::callback() && // callback defined
when() & FL_WHEN_RELEASE && // on button release
_last_row == R ) // release on same row PUSHed?
{
// Need this for eg. left clicking on a cell to select it
do_callback(context, R, C);
}
break;
default:
break;
}
if ( Fl::event_button() == 1 )
{
change_cursor(FL_CURSOR_DEFAULT);
_resizing_col = -1;
_resizing_row = -1;
ret = 1;
}
break;
case FL_MOVE:
if ( context == CONTEXT_COL_HEADER && // in column header?
resizeflag ) // resize + near boundary?
{ change_cursor(FL_CURSOR_WE); } // show resize cursor
else if ( context == CONTEXT_ROW_HEADER && // in row header?
resizeflag ) // resize + near boundary?
{ change_cursor(FL_CURSOR_NS); } // show resize cursor
else
{ change_cursor(FL_CURSOR_DEFAULT); } // normal cursor
ret = 1;
break;
case FL_ENTER: // See FLTK event docs on the FL_ENTER widget
if (!ret) take_focus();
ret = 1;
//FALLTHROUGH
case FL_LEAVE: // We want to track the mouse if resizing is allowed.
if ( resizeflag )
{ ret = 1; }
if ( event == FL_LEAVE )
{
_stop_auto_drag();
change_cursor(FL_CURSOR_DEFAULT);
}
break;
case FL_FOCUS:
Fl::focus(this);
//FALLTHROUGH
case FL_UNFOCUS:
_stop_auto_drag();
ret = 1;
break;
case FL_KEYBOARD:
ret = 0;
switch(Fl::event_key()) {
case FL_Home:
ret = move_cursor(0, -1000000); break;
case FL_End:
ret = move_cursor(0, 1000000); break;
case FL_Page_Up:
ret = move_cursor(-(botrow - toprow - 1), 0); break;
case FL_Page_Down:
ret = move_cursor(botrow - toprow - 1 , 0); break;
case FL_Left:
ret = move_cursor(0, -1); break;
case FL_Right:
ret = move_cursor(0, 1); break;
case FL_Up:
ret = move_cursor(-1, 0); break;
case FL_Down:
ret = move_cursor(1, 0); break;
}
if (ret && Fl::focus() != this) {
do_callback(CONTEXT_TABLE, -1, -1);
take_focus();
}
if (!ret && Fl_Widget::callback() && when() & FL_WHEN_NOT_CHANGED ) {
do_callback(CONTEXT_CELL, select_row, select_col);
//damage_zone(current_row, current_col, select_row, select_col);
ret = 1;
}
break;
default:
change_cursor(FL_CURSOR_DEFAULT);
break;
}
return(ret);
}
