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annotate src/video/ataricommon/SDL_ikbdevents.c @ 4249:429c8dd3175d SDL-1.2

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Fixed bug #713 Don't clamp the mouse coordinates to the video surface size, instead clamp them to the last known window size. This allows users to get the correct mouse coordinates even if they don't call SDL_SetVideoMode() in response to an SDL_VIDEORESIZE event (used as a hack to retain the OpenGL context on Windows and Linux after a window resize)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 27 Sep 2009 05:18:43 +0000
parents a1b03ba2fcd0
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 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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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 Lesser 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 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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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 #include "SDL_config.h"
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23
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24 /*
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25 * Atari keyboard events manager, using hardware IKBD
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26 *
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27 * Patrice Mandin
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28 */
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29
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30 /* Mint includes */
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31 #include <mint/osbind.h>
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32
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33 #include "../../events/SDL_sysevents.h"
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34 #include "../../events/SDL_events_c.h"
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35
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36 #include "SDL_atarikeys.h"
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37 #include "SDL_atarievents_c.h"
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38 #include "SDL_ikbdinterrupt_s.h"
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39
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40 #define KEY_PRESSED 0xff
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41 #define KEY_UNDEFINED 0x80
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42 #define KEY_RELEASED 0x00
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43
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44 static Uint16 atari_prevmouseb; /* save state of mouse buttons */
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45
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46 void AtariIkbd_InitOSKeymap(_THIS)
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47 {
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48 int i;
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49
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50 SDL_memset(SDL_AtariIkbd_keyboard, KEY_UNDEFINED, sizeof(SDL_AtariIkbd_keyboard));
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51
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52 /* Now install our handler */
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53 SDL_AtariIkbd_mouseb = SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0;
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54 atari_prevmouseb = 0;
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55
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56 Supexec(SDL_AtariIkbdInstall);
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57 }
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58
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59 static int atari_GetButton(int button)
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60 {
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61 switch(button)
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62 {
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63 case 0:
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64 return SDL_BUTTON_RIGHT;
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65 break;
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66 case 1:
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67 default:
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68 return SDL_BUTTON_LEFT;
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69 break;
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70 }
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71 }
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72
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73 void AtariIkbd_PumpEvents(_THIS)
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74 {
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75 int i, specialkeys;
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76 SDL_keysym keysym;
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77
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78 /*--- Send keyboard events ---*/
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79
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80 for (i=0; i<ATARIBIOS_MAXKEYS; i++) {
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81 /* Key pressed ? */
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82 if (SDL_AtariIkbd_keyboard[i]==KEY_PRESSED) {
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83 SDL_PrivateKeyboard(SDL_PRESSED,
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84 SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
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85 SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED;
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86 }
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87
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88 /* Key released ? */
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89 if (SDL_AtariIkbd_keyboard[i]==KEY_RELEASED) {
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90 SDL_PrivateKeyboard(SDL_RELEASED,
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91 SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE));
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92 SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED;
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93 }
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94 }
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95
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96 /*--- Send mouse events ---*/
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97
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98 /* Mouse motion ? */
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99 if (SDL_AtariIkbd_mousex || SDL_AtariIkbd_mousey) {
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100 SDL_PrivateMouseMotion(0, 1, SDL_AtariIkbd_mousex, SDL_AtariIkbd_mousey);
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101 SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0;
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102 }
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103
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104 /* Mouse button ? */
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105 if (SDL_AtariIkbd_mouseb != atari_prevmouseb) {
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106 for (i=0;i<2;i++) {
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107 int curbutton, prevbutton;
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108
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109 curbutton = SDL_AtariIkbd_mouseb & (1<<i);
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110 prevbutton = atari_prevmouseb & (1<<i);
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111
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112 if (curbutton && !prevbutton) {
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113 SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0);
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114 }
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115 if (!curbutton && prevbutton) {
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116 SDL_PrivateMouseButton(SDL_RELEASED, atari_GetButton(i), 0, 0);
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117 }
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118 }
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119 atari_prevmouseb = SDL_AtariIkbd_mouseb;
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120 }
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121 }
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122
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123 void AtariIkbd_ShutdownEvents(void)
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124 {
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125 Supexec(SDL_AtariIkbdUninstall);
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126 }