diff options
Diffstat (limited to 'dix/touch.c')
-rw-r--r-- | dix/touch.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/dix/touch.c b/dix/touch.c new file mode 100644 index 000000000..9fa2f3c8d --- /dev/null +++ b/dix/touch.c @@ -0,0 +1,94 @@ +/* + * Copyright © 2011 Collabra Ltd. + * Copyright © 2011 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author: Daniel Stone <daniel@fooishbar.org> + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "inputstr.h" +#include "scrnintstr.h" + + +void +TouchInitDDXTouchPoint(DeviceIntPtr dev, DDXTouchPointInfoPtr ddxtouch) +{ + memset(ddxtouch, 0, sizeof(*ddxtouch)); + ddxtouch->valuators = valuator_mask_new(dev->valuator->numAxes); +} + + +Bool +TouchInitTouchPoint(TouchClassPtr t, ValuatorClassPtr v, int index) +{ + TouchPointInfoPtr ti; + + if (index >= t->num_touches) + return FALSE; + ti = &t->touches[index]; + + memset(ti, 0, sizeof(*ti)); + + ti->valuators = valuator_mask_new(v->numAxes); + if (!ti->valuators) + return FALSE; + + ti->sprite.spriteTrace = calloc(32, sizeof(*ti->sprite.spriteTrace)); + if (!ti->sprite.spriteTrace) + { + valuator_mask_free(&ti->valuators); + return FALSE; + } + ti->sprite.spriteTraceSize = 32; + ti->sprite.spriteTrace[0] = screenInfo.screens[0]->root; + ti->sprite.hot.pScreen = screenInfo.screens[0]; + ti->sprite.hotPhys.pScreen = screenInfo.screens[0]; + + ti->client_id = -1; + + return TRUE; +} + +void +TouchFreeTouchPoint(DeviceIntPtr device, int index) +{ + TouchPointInfoPtr ti; + + if (!device->touch || index >= device->touch->num_touches) + return; + ti = &device->touch->touches[index]; + + valuator_mask_free(&ti->valuators); + free(ti->sprite.spriteTrace); + ti->sprite.spriteTrace = NULL; + free(ti->listeners); + ti->listeners = NULL; + free(ti->history); + ti->history = NULL; + ti->history_size = 0; + ti->history_elements = 0; +} + + |