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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 2006 Simon Howard
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "SDL_joystick.h"
#include "doomkeys.h"
#include "joystick.h"
#include "txt_joybinput.h"
#include "txt_gui.h"
#include "txt_io.h"
#include "txt_label.h"
#include "txt_sdl.h"
#include "txt_window.h"
#define JOYSTICK_INPUT_WIDTH 10
// Called in response to SDL events when the prompt window is open:
static int EventCallback(SDL_Event *event, TXT_UNCAST_ARG(joystick_input))
{
TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
// Got the joystick button press?
if (event->type == SDL_JOYBUTTONDOWN)
{
*joystick_input->variable = event->jbutton.button;
TXT_EmitSignal(joystick_input, "set");
TXT_CloseWindow(joystick_input->prompt_window);
return 1;
}
return 0;
}
// When the prompt window is closed, disable the event callback function;
// we are no longer interested in receiving notification of events.
static void PromptWindowClosed(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(joystick))
{
TXT_CAST_ARG(SDL_Joystick, joystick);
SDL_JoystickClose(joystick);
TXT_SDL_SetEventCallback(NULL, NULL);
SDL_JoystickEventState(SDL_DISABLE);
SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
}
static void OpenErrorWindow(void)
{
txt_window_t *window;
window = TXT_NewWindow(NULL);
TXT_AddWidget(window, TXT_NewLabel("Please configure a joystick first!"));
TXT_SetWindowAction(window, TXT_HORIZ_LEFT, NULL);
TXT_SetWindowAction(window, TXT_HORIZ_CENTER,
TXT_NewWindowEscapeAction(window));
TXT_SetWindowAction(window, TXT_HORIZ_RIGHT, NULL);
}
static void OpenPromptWindow(txt_joystick_input_t *joystick_input)
{
txt_window_t *window;
txt_label_t *label;
SDL_Joystick *joystick;
if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
{
return;
}
// Check the current joystick is valid
joystick = SDL_JoystickOpen(joystick_index);
if (joystick == NULL)
{
OpenErrorWindow();
return;
}
// Open the prompt window
window = TXT_NewWindow(NULL);
TXT_SetWindowAction(window, TXT_HORIZ_LEFT, NULL);
TXT_SetWindowAction(window, TXT_HORIZ_CENTER,
TXT_NewWindowAbortAction(window));
TXT_SetWindowAction(window, TXT_HORIZ_RIGHT, NULL);
label = TXT_NewLabel("Press the new joystick button...");
TXT_AddWidget(window, label);
TXT_SetWidgetAlign(label, TXT_HORIZ_CENTER);
TXT_SDL_SetEventCallback(EventCallback, joystick_input);
TXT_SignalConnect(window, "closed", PromptWindowClosed, joystick);
joystick_input->prompt_window = window;
SDL_JoystickEventState(SDL_ENABLE);
}
static void TXT_JoystickInputSizeCalc(TXT_UNCAST_ARG(joystick_input))
{
TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
// All joystickinputs are the same size.
joystick_input->widget.w = JOYSTICK_INPUT_WIDTH;
joystick_input->widget.h = 1;
}
static void GetJoystickButtonDescription(int button, char *buf)
{
sprintf(buf, "BUTTON #%i", button + 1);
}
static void TXT_JoystickInputDrawer(TXT_UNCAST_ARG(joystick_input), int selected)
{
TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
char buf[20];
int i;
if (*joystick_input->variable < 0)
{
strcpy(buf, "(none)");
}
else
{
GetJoystickButtonDescription(*joystick_input->variable, buf);
}
if (selected)
{
TXT_BGColor(TXT_COLOR_GREY, 0);
}
else
{
TXT_BGColor(TXT_COLOR_BLUE, 0);
}
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
TXT_DrawString(buf);
for (i=strlen(buf); i<JOYSTICK_INPUT_WIDTH; ++i)
{
TXT_DrawString(" ");
}
}
static void TXT_JoystickInputDestructor(TXT_UNCAST_ARG(joystick_input))
{
}
static int TXT_JoystickInputKeyPress(TXT_UNCAST_ARG(joystick_input), int joystick)
{
TXT_CAST_ARG(txt_joystick_input_t, joystick_input);
if (joystick == KEY_ENTER)
{
// Open a window to prompt for the new joystick press
OpenPromptWindow(joystick_input);
return 1;
}
return 0;
}
static void TXT_JoystickInputMousePress(TXT_UNCAST_ARG(widget), int x, int y, int b)
{
TXT_CAST_ARG(txt_joystick_input_t, widget);
// Clicking is like pressing enter
if (b == TXT_MOUSE_LEFT)
{
TXT_JoystickInputKeyPress(widget, KEY_ENTER);
}
}
txt_widget_class_t txt_joystick_input_class =
{
TXT_AlwaysSelectable,
TXT_JoystickInputSizeCalc,
TXT_JoystickInputDrawer,
TXT_JoystickInputKeyPress,
TXT_JoystickInputDestructor,
TXT_JoystickInputMousePress,
NULL,
};
txt_joystick_input_t *TXT_NewJoystickInput(int *variable)
{
txt_joystick_input_t *joystick_input;
joystick_input = malloc(sizeof(txt_joystick_input_t));
TXT_InitWidget(joystick_input, &txt_joystick_input_class);
joystick_input->variable = variable;
return joystick_input;
}
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