ref: 091f93809ee554571a6ed6145b8ac69f17814d91
dir: /setup/txt_joybinput.c/
// 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; }