static EVENT uicheckmove( EVENT ev, a_dialog *info )
{
EVENT new_ev;
ORD row;
ORD col;
SAREA new_area;
VSCREEN *vs;
int prev_row;
int prev_col;
new_ev = ev;
switch( ev ) {
case EV_MOUSE_PRESS :
if( uivmousepos( NULL, &row, &col ) == info->vs ) {
vs = (VSCREEN *)info->vs;
if( ( row + 1 ) == vs->area.row ) { /* because it's framed */
PrevRow = row;
PrevCol = col;
info->moving = TRUE;
new_ev = EV_NO_EVENT;
}
}
break;
case EV_MOUSE_DRAG :
if( info->moving ) {
uivmousepos( NULL, &row, &col );
if( ( row != PrevRow ) || ( col != PrevCol ) ) {
vs = (VSCREEN *)info->vs;
if( vs->area.row + row < PrevRow ) {
new_area.row = 0;
} else {
new_area.row = vs->area.row + row - PrevRow;
}
if( vs->area.col + col < PrevCol ) {
new_area.col = 0;
} else {
new_area.col = vs->area.col + col - PrevCol;
}
new_area.width = vs->area.width;
new_area.height = vs->area.height;
prev_row = vs->area.row;
prev_col = vs->area.col;
uiresizedialog( info, &new_area );
/* new_area may have been adjusted */
PrevRow += new_area.row - prev_row;
PrevCol += new_area.col - prev_col;
}
new_ev = EV_NO_EVENT;
}
break;
case EV_MOUSE_RELEASE :
if( info->moving ) {
info->moving = FALSE;
new_ev = EV_NO_EVENT;
}
}
return( new_ev );
}
bool GUIResizeDialog( gui_window *wnd, SAREA *new_area )
{
a_dialog *ui_dlg_info;
ui_dlg_info = GUIGetDialog( wnd );
if( ui_dlg_info != NULL ) {
uiresizedialog( ui_dlg_info, new_area );
return( true );
}
return( false );
}