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annotate src/events/SDL_touch_c.h @ 5080:6d94060d16a9

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Fixed bug #1011 Daniel Ellis 2010-06-25 15:20:31 PDT SDL based applications sometimes display the wrong application name in the Sound Preferences dialog when using pulseaudio. I can see from the code that the SDL pulse module is initiating a new pulse audio context and passing an application name using the function get_progname(). The get_progname() function returns the name of the current process. However, the process name is often not a suitable name to use. For example, the OpenShot video editor is a python application, and so "python" is displayed in the Sound Preferences window (see Bug #596504), when it should be displaying "OpenShot". PulseAudio allows applications to specify the application name, either at the time the context is created (as SDL does currently), or by special environment variables (see http://www.pulseaudio.org/wiki/ApplicationProperties). If no name is specified, then pulseaudio will determine the name based on the process. If you specify the application name when initiating the pulseaudio context, then that will override any application name specified using an environment variable. As libsdl is a library, I believe the solution is for libsdl to not specify any application name when initiating a pulseaudio context, which will enable applications to specify the application name using environment variables. In the case that the applications do not specify anything, pulseaudio will fall back to using the process name anyway. The attached patch removes the get_progname() function and passes NULL as the application name when creating the pulseaudio context, which fixes the issue.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 23 Jan 2011 21:55:04 -0800
parents f8431f66613d
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23 #include "../../include/SDL_touch.h"
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25 #ifndef _SDL_touch_c_h
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26 #define _SDL_touch_c_h
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30 /* Initialize the touch subsystem */
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31 extern int SDL_TouchInit(void);
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32
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33 /*Get the touch at an index */
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34 extern SDL_Touch *SDL_GetTouchIndex(int index);
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35
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36 /* Get the touch with id = id */
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37 extern SDL_Touch *SDL_GetTouch(SDL_TouchID id);
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38
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39 /*Get the finger at an index */
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40 extern SDL_Finger *SDL_GetFingerIndex(SDL_Touch *touch, int index);
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42 /* Get the finger with id = id */
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43 extern SDL_Finger *SDL_GetFinger(SDL_Touch *touch,SDL_FingerID id);
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44
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46 /* Add a touch, possibly reattaching at a particular index (or -1),
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47 returning the index of the touch, or -1 if there was an error. */
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48 extern int SDL_AddTouch(const SDL_Touch * touch, char *name);
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51 /* Remove a touch at an index, clearing the slot for later */
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52 extern void SDL_DelTouch(SDL_TouchID id);
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54 /* Set the touch focus window */
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55 extern void SDL_SetTouchFocus(SDL_TouchID id, SDL_Window * window);
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57 /* Send a touch motion event for a touch */
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58 extern int SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid,
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59 int relative, float x, float y, float z);
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61 /* Send a touch down/up event for a touch */
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62 extern int SDL_SendFingerDown(SDL_TouchID id, SDL_FingerID fingerid,
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63 SDL_bool down, float x, float y, float pressure);
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64
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65 /* Send a touch button event for a touch */
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66 extern int SDL_SendTouchButton(SDL_TouchID id, Uint8 state, Uint8 button);
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68 /* Shutdown the touch subsystem */
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69 extern void SDL_TouchQuit(void);
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70
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71 /* Get the index of a touch device */
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72 extern int SDL_GetTouchIndexId(SDL_TouchID id);
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74 /* Print a debug message for a nonexistent touch */
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75 extern int SDL_TouchNotFoundError(SDL_TouchID id);
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77 #endif /* _SDL_touch_c_h */
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79 /* vi: set ts=4 sw=4 expandtab: */