// Resize FLTK override
// Handle resize events if user resizes parent window.
//
void Fl_Table::resize(int X, int Y, int W, int H)
{
// Tell group to resize, and recalc our own widget as well
Fl_Group::resize(X, Y, W, H);
table_resized();
redraw();
}
// Set number of cols
void Fl_Table_Copy::cols(int val) {
_cols = val;
{
int default_w = ( _colwidths.size() > 0 ) ? _colwidths[_colwidths.size()-1] : 80;
int now_size = _colwidths.size();
_colwidths.size(val); // enlarge or shrink as needed
while ( now_size < val ) {
_colwidths[now_size++] = default_w; // fill new
}
}
table_resized();
redraw();
}
// Set number of cols
void Fl_Table::cols(int val)
{
_cols = val;
{
int default_w = ( _colwidths.size() > 0 ) ? _colwidths[_colwidths.size()-1] : 80;
while ( val > (int)_colwidths.size() )
{ _colwidths.push_back(default_w); } // enlarge
while ( val < (int)_colwidths.size() )
{ _colwidths.pop_back(); } // shrink
}
table_resized();
redraw();
}
// Set height of a row
void Fl_Table::row_height(int row, int height)
{
if ( row < 0 ) return;
if ( row < (int)_rowheights.size() && _rowheights[row] == height )
{ return; } // OPTIMIZATION: no change? avoid redraw
// Add row heights, even if none yet
while ( row >= (int)_rowheights.size() )
{ _rowheights.push_back(height); }
_rowheights[row] = height;
table_resized();
if ( row <= botrow ) // OPTIMIZATION: only redraw if onscreen or above screen
{ redraw(); }
// ROW RESIZE CALLBACK
if ( Fl_Widget::callback() && when() & FL_WHEN_CHANGED )
{ do_callback(CONTEXT_RC_RESIZE, row, 0); }
}
// Set number of rows
void Fl_Table::rows(int val)
{
int oldrows = _rows;
_rows = val;
{
int default_h = ( _rowheights.size() > 0 ) ? _rowheights.back() : 25;
while ( val > (int)_rowheights.size() )
{ _rowheights.push_back(default_h); } // enlarge
while ( val < (int)_rowheights.size() )
{ _rowheights.pop_back(); } // shrink
}
table_resized();
// OPTIMIZATION: redraw only if change is visible.
if ( val >= oldrows && oldrows > botrow )
{ /* NO REDRAW */ }
else
{ redraw(); }
}
// Set width of a column
void Fl_Table::col_width(int col, int width)
{
if ( col < 0 ) return;
if ( col < (int)_colwidths.size() && _colwidths[col] == width )
{ return; } // OPTIMIZATION: no change? avoid redraw
// Add column widths, even if none yet
while ( col >= (int)_colwidths.size() )
{ _colwidths.push_back(width); }
_colwidths[col] = width;
table_resized();
if ( col <= rightcol ) // OPTIMIZATION: only redraw if onscreen or to the left
{ redraw(); }
// COLUMN RESIZE CALLBACK
if ( Fl_Widget::callback() && when() & FL_WHEN_CHANGED )
{ do_callback(CONTEXT_RC_RESIZE, 0, col); }
}
// Set number of rows
void Fl_Table_Copy::rows(int val) {
int oldrows = _rows;
_rows = val;
{
int default_h = ( _rowheights.size() > 0 ) ? _rowheights.back() : 25;
int now_size = _rowheights.size();
_rowheights.size(val); // enlarge or shrink as needed
while ( now_size < val ) {
_rowheights[now_size++] = default_h; // fill new
}
}
table_resized();
// OPTIMIZATION: redraw only if change is visible.
if ( val >= oldrows && oldrows > botrow ) {
// NO REDRAW
} else {
redraw();
}
}
// Set width of a column
void Fl_Table_Copy::col_width(int col, int width)
{
if ( col < 0 ) return;
if ( col < (int)_colwidths.size() && _colwidths[col] == width ) {
return; // OPTIMIZATION: no change? avoid redraw
}
// Add column widths, even if none yet
int now_size = (int)_colwidths.size();
if ( col >= now_size ) {
_colwidths.size(col+1);
while (now_size < col) {
_colwidths[now_size++] = width;
}
}
_colwidths[col] = width;
table_resized();
if ( col <= rightcol ) { // OPTIMIZATION: only redraw if onscreen or to the left
redraw();
}
// COLUMN RESIZE CALLBACK
if ( Fl_Widget::callback() && when() & FL_WHEN_CHANGED ) {
do_callback(CONTEXT_RC_RESIZE, 0, col);
}
}
// Ctor
Fl_Table_Copy::Fl_Table_Copy(int X, int Y, int W, int H, const char *l) : Fl_Group(X,Y,W,H,l) {
_rows = 0;
_cols = 0;
_row_header_w = 40;
_col_header_h = 18;
_row_header = 0;
_col_header = 0;
_row_header_color = color();
_col_header_color = color();
_row_resize = 0;
_col_resize = 0;
_row_resize_min = 1;
_col_resize_min = 1;
_redraw_toprow = -1;
_redraw_botrow = -1;
_redraw_leftcol = -1;
_redraw_rightcol = -1;
table_w = 0;
table_h = 0;
toprow = 0;
botrow = 0;
leftcol = 0;
rightcol = 0;
toprow_scrollpos = -1;
leftcol_scrollpos = -1;
_last_cursor = FL_CURSOR_DEFAULT;
_resizing_col = -1;
_resizing_row = -1;
_dragging_x = -1;
_dragging_y = -1;
_last_row = -1;
_auto_drag = 0;
current_col = -1;
current_row = -1;
select_row = -1;
select_col = -1;
#if FLTK_ABI_VERSION >= 10301
_scrollbar_size = 0;
#endif
#if FLTK_ABI_VERSION >= 10303
flags_ = 0; // TABCELLNAV off
#endif
//MK
_showVScrollbar = true;
box(FL_THIN_DOWN_FRAME);
vscrollbar = new Fl_Scrollbar(x()+w()-Fl::scrollbar_size(), y(),
Fl::scrollbar_size(), h()-Fl::scrollbar_size());
vscrollbar->type(FL_VERTICAL);
vscrollbar->callback(scroll_cb, (void*)this);
hscrollbar = new Fl_Scrollbar(x(), y()+h()-Fl::scrollbar_size(),
w(), Fl::scrollbar_size());
hscrollbar->type(FL_HORIZONTAL);
hscrollbar->callback(scroll_cb, (void*)this);
table = new Fl_Scroll(x(), y(), w(), h());
table->box(FL_NO_BOX);
table->type(0); // don't show Fl_Scroll's scrollbars -- use our own
table->hide(); // hide unless children are present
table->end();
table_resized();
redraw();
Fl_Group::end(); // end the group's begin()
table->begin(); // leave with fltk children getting added to the scroll
}
// 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);
}
