// Enter LINE in history
void add_to_history(const string& line)
{
if (!gdb->isReadyWithPrompt())
return;
set_history_from_line(line);
if (gdb_history.size() < 2 || line != gdb_history[gdb_history.size() - 2])
{
gdb_history += "";
if (gdb_history_w)
{
MString xm_line(line, LIST_CHARSET);
int pos = gdb_history.size();
XmListAddItem(gdb_commands_w, xm_line.xmstring(), pos - 1);
XmListSelectPos(gdb_commands_w, 0, False);
XmListSetBottomPos(gdb_commands_w, 0);
}
}
gdb_current_history = gdb_history.size();
set_history_from_line("");
if (gdb_history_w)
{
XmListSelectPos(gdb_commands_w, 0, False);
XmListSetBottomPos(gdb_commands_w, 0);
}
gdb_new_history = false;
add_to_arguments(line);
update_arguments();
update_combo_boxes(line);
#if WITH_READLINE
add_history(line.chars());
#endif
}
// Exit i-search mode and return to normal mode
void clear_isearch(bool reset, bool show)
{
if (!gdb->isReadyWithPrompt())
return;
if (isearch_state != ISEARCH_NONE)
{
isearch_state = ISEARCH_NONE;
if (show)
show_isearch();
if (reset)
{
set_history_from_line(current_line());
goto_history();
}
}
isearch_motion_ok = false;
}
// Send completed lines to GDB
void gdbChangeCB(Widget w, XtPointer, XtPointer)
{
if (private_gdb_output)
return;
string input = current_line();
bool at_prompt = gdb_input_at_prompt;
if (at_prompt)
input.gsub("\\\n", "");
int newlines = input.freq('\n');
string *lines = new string[newlines + 1];
split(input, lines, newlines, '\n');
private_gdb_input = true;
if (newlines == 0 || (gdb_input_at_prompt && input.contains('\\', -1)))
{
// No newline found - line is still incomplete
set_history_from_line(input, true);
}
else
{
// Process entered lines
clear_isearch();
promptPosition = XmTextGetLastPosition(w);
for (int i = 0; i < newlines; i++)
{
string cmd = lines[i];
tty_out(cmd + "\n");
if (gdb_input_at_prompt)
{
if (cmd.matches(rxwhite) || cmd.empty())
{
// Empty line: repeat last command
cmd = last_command_from_history();
}
else
{
// Add new command to history
add_to_history(cmd);
}
}
if (at_prompt)
{
// We're typing at the GDB prompt: place CMD in command queue
gdb_command(cmd, w);
}
else
{
// Pass anything else right to GDB, clearing the command queue.
clearCommandQueue();
gdb->send_user_ctrl_cmd(cmd + "\n");
}
}
}
private_gdb_input = false;
delete[] lines;
}
void gdbHistoryCB(Widget w, XtPointer, XtPointer)
{
if (gdb_history_w)
{
manage_and_raise(gdb_history_w);
return;
}
Arg args[10];
int arg;
// Create history viewer
arg = 0;
gdb_history_w =
verify(createTopLevelSelectionDialog(find_shell(w), "history_dialog",
args, arg));
Delay::register_shell(gdb_history_w);
XtUnmanageChild(XmSelectionBoxGetChild(gdb_history_w,
XmDIALOG_OK_BUTTON));
XtUnmanageChild(XmSelectionBoxGetChild(gdb_history_w,
XmDIALOG_TEXT));
XtUnmanageChild(XmSelectionBoxGetChild(gdb_history_w,
XmDIALOG_SELECTION_LABEL));
gdb_commands_w = XmSelectionBoxGetChild(gdb_history_w, XmDIALOG_LIST);
XtVaSetValues(gdb_commands_w,
XmNselectionPolicy, XmSINGLE_SELECT,
XtPointer(0));
XtAddCallback(gdb_commands_w,
XmNsingleSelectionCallback, SelectHistoryCB, 0);
XtAddCallback(gdb_commands_w,
XmNmultipleSelectionCallback, SelectHistoryCB, 0);
XtAddCallback(gdb_commands_w,
XmNextendedSelectionCallback, SelectHistoryCB, 0);
XtAddCallback(gdb_commands_w,
XmNbrowseSelectionCallback, SelectHistoryCB, 0);
XtAddCallback(gdb_history_w, XmNokCallback, gdbApplySelectionCB, 0);
XtAddCallback(gdb_history_w, XmNapplyCallback, gdbApplySelectionCB, 0);
XtAddCallback(gdb_history_w, XmNcancelCallback, DestroyThisCB,
gdb_history_w);
XtAddCallback(gdb_history_w, XmNhelpCallback, ImmediateHelpCB, 0);
XtAddCallback(gdb_history_w, XmNdestroyCallback,
HistoryDestroyedCB, XtPointer(gdb_history_w));
bool *selected = new bool[gdb_history.size() + 1];
for (int i = 0; i < gdb_history.size() + 1; i++)
selected[i] = false;
selected[gdb_current_history] = true;
setLabelList(gdb_commands_w, gdb_history.values(),
selected, gdb_history.size(), false, false);
delete[] selected;
set_history_from_line(current_line());
XmListSelectPos(gdb_commands_w, 0, False);
XmListSetBottomPos(gdb_commands_w, 0);
manage_and_raise(gdb_history_w);
}
