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-rw-r--r--src/setup/txt_joybinput.c228
1 files changed, 228 insertions, 0 deletions
diff --git a/src/setup/txt_joybinput.c b/src/setup/txt_joybinput.c
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+++ b/src/setup/txt_joybinput.c
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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_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;
+}
+