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IABSD.fr/xenocara/driver/xf86-input-joystick/src/jstk_options.c
matthieu
- driver/xf86-input-joystick/src/jstk_options.c
-
/* * Copyright 2007 - 2008 by Sascha Hlusiak. <saschahlusiak@freedesktop.org> * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Sascha Hlusiak not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. Sascha Hlusiak makes no * representations about the suitability of this software for any purpose. It * is provided "as is" without express or implied warranty. * * SASCHA HLUSIAK DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL SASCHA HLUSIAK BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> #include <xf86.h> #include <X11/keysym.h> #include <X11/XF86keysym.h> #include "jstk.h" #include "jstk_options.h" /*********************************************************************** * * jstkGetAxisMapping -- * * Parses strings like: * x, +y, -zx, 3x, 3.5zy, -8x * And returns the mapping and stores the optional factor * In the float referenced by 'value' * *********************************************************************** */ static JSTK_MAPPING jstkGetAxisMapping(float *value, const char* param, const char* name) { if (sscanf(param, "%f", value)==0) { if (param[0] == '-') *value *= -1.0; } if (strstr(param, "key") != NULL) return JSTK_MAPPING_KEY; else if (strstr(param, "zx") != NULL) return JSTK_MAPPING_ZX; else if (strstr(param, "zy") != NULL) return JSTK_MAPPING_ZY; else if (strstr(param, "x") != NULL) return JSTK_MAPPING_X; else if (strstr(param, "y") != NULL) return JSTK_MAPPING_Y; return JSTK_MAPPING_NONE; } /*********************************************************************** * * jstkParseButtonOption -- * * Interpretes one ButtonMappingX option, given in 'org' * stores the result in *button * name is the name of the InputDevice * *********************************************************************** */ void jstkParseButtonOption(const char* org, JoystickDevPtr priv, int number, const char* name) { char *param; int value; float fvalue; char p[64]; BUTTON* button; button = &priv->button[number]; param = xstrdup(org); /* for (tmp = param; *tmp; tmp++) *tmp = tolower(*tmp); */ if (strcmp(param, "none") == 0) { button->mapping = JSTK_MAPPING_NONE; } else if (sscanf(param, "button=%d", &value) == 1) { if (value<0 || value >BUTTONMAP_SIZE) { xf86Msg(X_WARNING, "%s: button number out of range (0..%d): %d.\n", name, BUTTONMAP_SIZE, value); } else { button->mapping = JSTK_MAPPING_BUTTON; button->buttonnumber = value; } } else if (sscanf(param, "axis=%15s", p) == 1) { p[15]='\0'; fvalue = 1.0f; button->mapping = jstkGetAxisMapping(&fvalue, p, name); button->amplify = fvalue; button->currentspeed = 1.0f; if (button->mapping == JSTK_MAPPING_NONE) xf86Msg(X_WARNING, "%s: error parsing axis: %s.\n", name, p); } else if (sscanf(param, "amplify=%f", &fvalue) == 1) { button->mapping = JSTK_MAPPING_SPEED_MULTIPLY; button->amplify = fvalue; } else if (sscanf(param, "key=%30s", p) == 1) { char *current, *next; p[30]='\0'; current = p; button->mapping = JSTK_MAPPING_KEY; for (value = 0; value < MAXKEYSPERBUTTON; value++) if (current != NULL) { unsigned int key; next = strchr(current, ','); if (!next) next = strchr(current, '+'); if (next) *(next++) = '\0'; key = strtol(current, NULL, 0); DBG(3, ErrorF("Parsed %s to %d\n", current, key)); if (key == 0) xf86Msg(X_WARNING, "%s: error parsing key value: %s.\n", name, current); else { button->keys[value] = key; } current = next; } else button->keys[value] = 0; } else if (strcmp(param, "disable-all") == 0) { button->mapping = JSTK_MAPPING_DISABLE; } else if (strcmp(param, "disable-mouse") == 0) { button->mapping = JSTK_MAPPING_DISABLE_MOUSE; } else if (strcmp(param, "disable-keys") == 0) { button->mapping = JSTK_MAPPING_DISABLE_KEYS; } else { xf86Msg(X_WARNING, "%s: error parsing button parameter.\n", name); } xfree(param); } /*********************************************************************** * * jstkParseAxisOption -- * * Interpretes one AxisMappingX option, given in 'org' * stores the result in *axis * name is the name of the InputDevice * *********************************************************************** */ void jstkParseAxisOption(const char* org, JoystickDevPtr priv, AXIS *axis, const char *name) { char *param; char *tmp; int value; float fvalue; char p[64]; param = xstrdup(org); /* for (tmp for (tmp = param; *tmp; tmp++) *tmp = tolower(*tmp); = param; *tmp; tmp++) *tmp = tolower(*tmp); */ if ((tmp=strstr(param, "mode=")) != NULL) { if (sscanf(tmp, "mode=%15s", p) == 1) { p[15] = '\0'; if (strcmp(p, "relative") == 0) { axis->type = JSTK_TYPE_BYVALUE; } else if (strcmp(p, "accelerated") == 0) { axis->type = JSTK_TYPE_ACCELERATED; axis->currentspeed = 1.0f; } else if (strcmp(p, "absolute") == 0) { axis->type = JSTK_TYPE_ABSOLUTE; } else if (strcmp(p, "none") == 0) { axis->type = JSTK_TYPE_NONE; } else { axis->type = JSTK_TYPE_NONE; xf86Msg(X_WARNING, "%s: \"%s\": error parsing mode.\n", name, param); } } else xf86Msg(X_WARNING, "%s: \"%s\": error parsing mode.\n", name, param); } if ((tmp = strstr(param, "axis=")) != NULL) { if (sscanf(tmp, "axis=%15s", p) == 1) { p[15] = '\0'; fvalue = 1.0f; axis->mapping = jstkGetAxisMapping(&fvalue, p, name); if ((axis->type == JSTK_TYPE_ABSOLUTE) && ((fvalue <= 1.1)&&(fvalue >= -1.1))) { if (axis->mapping == JSTK_MAPPING_X) fvalue *= (int)screenInfo.screens[0]->width; if (axis->mapping == JSTK_MAPPING_Y) fvalue *= (int)screenInfo.screens[0]->height; } axis->amplify = fvalue; if (axis->mapping == JSTK_MAPPING_NONE) xf86Msg(X_WARNING, "%s: error parsing axis: %s.\n", name, p); }else xf86Msg(X_WARNING, "%s: error parsing axis.\n", name); } if ((tmp = strstr(param, "valuator")) != NULL ) { axis->valuator = 0; /* Will be renumbered appropriately on DEVICE_INIT */ } if ((tmp = strstr(param, "keylow=")) != NULL) { if (sscanf(tmp, "keylow=%30s", p) == 1) { char *current, *next; unsigned int key; p[30]='\0'; current = p; axis->mapping = JSTK_MAPPING_KEY; for (value = 0; value < MAXKEYSPERBUTTON; value++) if (current != NULL) { next = strchr(current, ','); if (!next) next = strchr(current, '+'); if (next) *(next++) = '\0'; key = strtol(current, NULL, 0); DBG(3, ErrorF("Parsed %s to %d\n", current, key)); if (key == 0) xf86Msg(X_WARNING, "%s: error parsing keylow value: %s.\n", name, current); else { axis->keys_low[value] = key; } current = next; } else axis->keys_low[value] = 0; } } if ((tmp = strstr(param, "keyhigh=")) != NULL) { if (sscanf(tmp, "keyhigh=%30s", p) == 1) { char *current, *next; unsigned int key; p[30]='\0'; current = p; axis->mapping = JSTK_MAPPING_KEY; for (value = 0; value < MAXKEYSPERBUTTON; value++) if (current != NULL) { next = strchr(current, ','); if (!next) next = strchr(current, '+'); if (next) *(next++) = '\0'; key = strtol(current, NULL, 0); key = strtol(current, NULL, 0); DBG(3, ErrorF("Parsed %s to %d\n", current, key)); if (key == 0) xf86Msg(X_WARNING, "%s: error parsing keyhigh value: %s.\n", name, current); else { axis->keys_high[value] = key; } current = next; } else axis->keys_high[value] = 0; } } if ((tmp = strstr(param, "deadzone=")) != NULL ) { if (sscanf(tmp, "deadzone=%d", &value) == 1) { value = (value < 0) ? (-value) : (value); if (value > 30000) xf86Msg(X_WARNING, "%s: deadzone of %d seems unreasonable. Ignored.\n", name, value); else axis->deadzone = value; }else xf86Msg(X_WARNING, "%s: error parsing deadzone.\n", name); } xfree(param); }