diff options
Diffstat (limited to 'src/setup/txt_joybinput.c')
| -rw-r--r-- | src/setup/txt_joybinput.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/setup/txt_joybinput.c b/src/setup/txt_joybinput.c new file mode 100644 index 00000000..3e033df9 --- /dev/null +++ b/src/setup/txt_joybinput.c @@ -0,0 +1,212 @@ +// 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; + + if (joystick_input->check_conflicts) + { + 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_MessageBox(NULL, "Please configure a joystick first!"); +} + +static void OpenPromptWindow(txt_joystick_input_t *joystick_input) +{ + txt_window_t *window; + SDL_Joystick *joystick; + + // Silently update when the shift button is held down. + + joystick_input->check_conflicts = !TXT_GetModifierState(TXT_MOD_SHIFT); + + 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_MessageBox(NULL, "Press the new joystick button..."); + + 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)) +{ + 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); + } + + TXT_SetWidgetBG(joystick_input); + 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; +} + |