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annotate src/video/picogui/SDL_pgevents.c @ 548:6cd49f896c5a

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Open ALSA devices in non-blocking mode (thanks Aleksey!)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 17 Nov 2002 20:02:26 +0000
parents 706de3956894
children b8d311d90021
rev   line source
433
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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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 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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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 Micah Dowty
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23 micahjd@users.sourceforge.net
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24 */
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25
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26 #ifdef SAVE_RCSID
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27 static char rcsid =
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28 "@(#) $Id$";
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29 #endif
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30
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31 #include "SDL.h"
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32 #include "SDL_sysevents.h"
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33 #include "SDL_events_c.h"
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34 #include "SDL_pgvideo.h"
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35 #include "SDL_pgevents_c.h"
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36
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37 int PG_HandleClose(struct pgEvent *evt)
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38 {
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39 SDL_PrivateQuit();
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40 return 1; /* Intercept the event's normal quit handling */
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41 }
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42
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43 int PG_HandleResize(struct pgEvent *evt)
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44 {
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45 SDL_PrivateResize(evt->e.size.w, evt->e.size.h);
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46 return 0;
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47 }
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48
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49 int PG_HandleKey(struct pgEvent *evt)
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50 {
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51 SDL_keysym sym;
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52 memset(&sym,0,sizeof(sym));
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53 sym.sym = evt->e.kbd.key;
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54 sym.mod = evt->e.kbd.mods;
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55 SDL_PrivateKeyboard(evt->type == PG_WE_KBD_KEYDOWN, &sym);
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56 return 0;
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57 }
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58
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59 int PG_HandleChar(struct pgEvent *evt)
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60 {
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61 SDL_keysym sym;
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62 memset(&sym,0,sizeof(sym));
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63 sym.unicode = evt->e.kbd.key;
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64 sym.mod = evt->e.kbd.mods;
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65 SDL_PrivateKeyboard(evt->type == PG_WE_KBD_KEYDOWN, &sym);
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66 return 0;
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67 }
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68
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69 int PG_HandleMouseButton(struct pgEvent *evt)
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70 {
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71 /* We need to focus the canvas when it's clicked */
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72 if (evt->extra) {
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73 SDL_VideoDevice *this = (SDL_VideoDevice *) evt->extra;
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74 pgFocus(this->hidden->wCanvas);
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75 }
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76 SDL_PrivateMouseButton(evt->type == PG_WE_PNTR_DOWN, evt->e.pntr.chbtn,
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77 evt->e.pntr.x, evt->e.pntr.y);
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78 return 0;
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79 }
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80
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81 int PG_HandleMouseMotion(struct pgEvent *evt)
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82 {
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83 SDL_PrivateMouseMotion(evt->e.pntr.btn,0,evt->e.pntr.x, evt->e.pntr.y);
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84 return 0;
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85 }
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86
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87 void PG_PumpEvents(_THIS)
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88 {
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89 /* Process all pending events */
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90 pgEventPoll();
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91 }
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92
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93 void PG_InitOSKeymap(_THIS)
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94 {
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95 /* We need no keymap */
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96 }
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97
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98 void PG_InitEvents(_THIS)
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99 {
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100 /* Turn on all the mouse and keyboard triggers for our canvas, normally less important
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101 * events like mouse movement are ignored to save bandwidth. */
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102 pgSetWidget(this->hidden->wCanvas, PG_WP_TRIGGERMASK,
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103 pgGetWidget(this->hidden->wCanvas, PG_WP_TRIGGERMASK) |
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104 PG_TRIGGER_UP | PG_TRIGGER_DOWN | PG_TRIGGER_MOVE |
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105 PG_TRIGGER_KEYUP | PG_TRIGGER_KEYDOWN | PG_TRIGGER_CHAR,0);
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106
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107 /* Start our canvas out focused, so we get keyboard input */
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108 pgFocus(this->hidden->wCanvas);
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109
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110 /* Set up bindings for all the above event handlers */
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111 pgBind(this->hidden->wApp, PG_WE_CLOSE, &PG_HandleClose, NULL);
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112 pgBind(this->hidden->wCanvas, PG_WE_BUILD, &PG_HandleResize, NULL);
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113 pgBind(this->hidden->wCanvas, PG_WE_KBD_CHAR, &PG_HandleChar, NULL);
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114 pgBind(this->hidden->wCanvas, PG_WE_KBD_KEYUP, &PG_HandleKey, NULL);
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115 pgBind(this->hidden->wCanvas, PG_WE_KBD_KEYDOWN, &PG_HandleKey, NULL);
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116 pgBind(this->hidden->wCanvas, PG_WE_PNTR_MOVE, &PG_HandleMouseMotion, NULL);
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117 pgBind(this->hidden->wCanvas, PG_WE_PNTR_UP, &PG_HandleMouseButton, NULL);
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118 pgBind(this->hidden->wCanvas, PG_WE_PNTR_DOWN, &PG_HandleMouseButton, this);
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119 }
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120
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121 /* end of SDL_pgevents.c ... */