void ConsoleHandler::draw_all()
{
Ego::Core::Console *console = egolib_console_top;
if (!console)
{
return;
}
draw_begin();
console->draw();
draw_end();
}
void egolib_console_handler_t::draw_all()
{
Ego::Core::Console *console = egolib_console_top;
if (!console)
{
return;
}
egolib_console_handler_t::draw_begin();
console->draw();
egolib_console_handler_t::draw_end();
}
SDL_Event *ConsoleHandler::handle_event(SDL_Event *event)
{
Ego::Core::Console *console = egolib_console_top;
if (!event)
{
return nullptr;
}
if (!console)
{
return event;
}
// Only handle keyboard events.
if (SDL_TEXTINPUT != event->type && SDL_TEXTEDITING != event->type && SDL_KEYDOWN != event->type)
return event;
SDL_Scancode vkey = SDL_SCANCODE_UNKNOWN;
bool is_alt = false;
bool is_shift = false;
if (SDL_KEYDOWN == event->type)
{
// Grab the virtual scancode.
vkey = event->key.keysym.scancode;
// Get the key modifiers.
SDL_Keymod kmod = SDL_GetModState();
// Is alt or shift down?
is_alt = HAS_SOME_BITS(kmod, KMOD_ALT | KMOD_CTRL);
is_shift = HAS_SOME_BITS(kmod, KMOD_SHIFT);
// If the virtual key code for the backquote is pressed,
// toggle the console on the top of the console stack.
if (!is_alt && !is_shift && (SDL_SCANCODE_GRAVE == vkey || (console->on && SDL_SCANCODE_ESCAPE == vkey)))
{
if (!console->on)
{
console->on = true;
console->buffer_carat = 0;
console->buffer[0] = CSTR_END;
SDL_StartTextInput();
return nullptr;
}
else
{
console->on = false;
console->buffer_carat = 0;
console->buffer[0] = CSTR_END;
SDL_StopTextInput();
return nullptr;
}
}
}
// Only grab the keycodes if the console is on.
if (!console->on)
{
return event;
}
// Handle any console commands.
if (SDL_KEYDOWN == event->type && !is_alt && !is_shift)
{
// backspace: delete character before the carat.
if (SDL_SCANCODE_BACKSPACE == vkey)
{
while (console->buffer_carat > 0)
{
console->buffer_carat--;
char a = console->buffer[console->buffer_carat];
if ((a & 0x80) == 0x00 || (a & 0xC0) == 0xC0)
break;
}
console->buffer[console->buffer_carat] = CSTR_END;
event = nullptr;
}
else if (SDL_SCANCODE_UP == vkey)
{
console->history.up();
strcpy(console->buffer,console->history.get_saved());
console->buffer_carat = strlen(console->buffer);
event = nullptr;
}
else if (SDL_SCANCODE_DOWN == vkey)
{
console->history.down();
strcpy(console->buffer, console->history.get_saved());
console->buffer_carat = strlen(console->buffer);
event = nullptr;
}
else if (SDL_SCANCODE_LEFT == vkey)
{
console->buffer_carat--;
console->buffer_carat = Ego::Math::constrain(console->buffer_carat, (size_t)0, (size_t)(ConsoleSettings::LineSettings::Length - 1));
event = nullptr;
}
else if (SDL_SCANCODE_RIGHT == vkey)
{
console->buffer_carat++;
console->buffer_carat = Ego::Math::constrain(console->buffer_carat, (size_t)0, (size_t)(ConsoleSettings::LineSettings::Length - 1));
event = nullptr;
}
else if (SDL_SCANCODE_RETURN == vkey || SDL_SCANCODE_KP_ENTER == vkey)
{
console->buffer[console->buffer_carat] = CSTR_END;
// Add this command line to the list of saved command line.
console->history.add_saved(console->buffer);
// Add the command line to the output buffer.
console->print("%s %s\n", ConsoleSettings::InputSettings::Prompt.c_str(), console->buffer);
// Actually execute the command line.
console->run();
// Blank the command line.
console->buffer_carat = 0;
console->buffer[0] = CSTR_END;
event = nullptr;
}
}
if (nullptr == event || SDL_KEYDOWN == event->type) return nullptr;
bool addToLine = SDL_TEXTINPUT == event->type;
char *text = SDL_TEXTINPUT == event->type ? event->text.text : event->edit.text;
size_t textLength = strlen(text);
// handle normal keystrokes
if (console->buffer_carat + textLength + 1 < ConsoleSettings::LineSettings::Length)
{
strcat(console->buffer + console->buffer_carat, event->text.text);
console->buffer[console->buffer_carat + textLength] = CSTR_END;
if (addToLine)
console->buffer_carat += strlen(event->text.text);
event = nullptr;
}
return event;
}