Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_xbiosevents.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 * XBIOS mouse & joystick vectors
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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 #include <mint/osbind.h>
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31
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32 #include "../../events/SDL_events_c.h"
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33 #include "SDL_xbiosevents_c.h"
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34 #include "SDL_xbiosinterrupt_s.h"
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35
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36 /* Variables */
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37
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38 int SDL_AtariXbios_enabled=0;
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39
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40 /* Local variables */
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41
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42 static _KBDVECS *kbdvecs; /* Pointer to access system vectors */
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43 static Uint16 atari_prevmouseb; /* buttons */
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44
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45 /* Functions */
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46
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47 void SDL_AtariXbios_InstallVectors(int vectors_mask)
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48 {
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49 void *oldpile;
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50
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51 /* Clear variables */
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52 SDL_AtariXbios_mouselock =
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53 SDL_AtariXbios_mouseb =
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54 SDL_AtariXbios_mousex =
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55 SDL_AtariXbios_mousey =
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56 SDL_AtariXbios_joystick =
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57 atari_prevmouseb = 0;
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58
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59 if (vectors_mask==0) {
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60 SDL_AtariXbios_enabled=0;
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61 return;
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62 }
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63
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64 /* Read IKBD vectors base */
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65 kbdvecs=Kbdvbase();
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66
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67 /* Go to supervisor mode */
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68 oldpile=(void *)Super(0);
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69
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70 /* Install our vectors */
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71 SDL_AtariXbios_Install(
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72 kbdvecs,
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73 (vectors_mask & ATARI_XBIOS_MOUSEEVENTS) ? SDL_AtariXbios_MouseVector : NULL,
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74 (vectors_mask & ATARI_XBIOS_JOYSTICKEVENTS) ? SDL_AtariXbios_JoystickVector : NULL
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75 );
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76
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77 /* Back to user mode */
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78 Super(oldpile);
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79
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80 SDL_AtariXbios_enabled=1;
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81 }
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82
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83 void SDL_AtariXbios_RestoreVectors(void)
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84 {
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85 void *oldpile;
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86
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87 if (SDL_AtariXbios_enabled==0) {
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88 return;
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89 }
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90
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91 /* Read IKBD vectors base */
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92 kbdvecs=Kbdvbase();
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93
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94 /* Go to supervisor mode */
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95 oldpile=(void *)Super(NULL);
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96
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97 /* Reinstall system vector */
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98 SDL_AtariXbios_Restore(kbdvecs);
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99
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100 /* Back to user mode */
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101 Super(oldpile);
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102 }
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103
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104 static int atari_GetButton(int button)
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105 {
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106 switch(button)
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107 {
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108 case 0:
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109 return SDL_BUTTON_RIGHT;
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110 break;
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111 case 1:
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112 default:
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113 return SDL_BUTTON_LEFT;
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114 break;
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115 }
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116 }
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117
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118 void SDL_AtariXbios_PostMouseEvents(_THIS, SDL_bool buttonEvents)
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119 {
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120 if (SDL_AtariXbios_enabled==0) {
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121 return;
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122 }
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123
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124 /* Mouse motion ? */
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125 if (SDL_AtariXbios_mousex || SDL_AtariXbios_mousey) {
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126 SDL_PrivateMouseMotion(0, 1, SDL_AtariXbios_mousex, SDL_AtariXbios_mousey);
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127 SDL_AtariXbios_mousex = SDL_AtariXbios_mousey = 0;
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128 }
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129
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130 /* Mouse button ? */
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131 if (buttonEvents && (SDL_AtariXbios_mouseb != atari_prevmouseb)) {
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132 int i;
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133
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134 for (i=0;i<2;i++) {
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135 int curbutton, prevbutton;
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136
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137 curbutton = SDL_AtariXbios_mouseb & (1<<i);
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138 prevbutton = atari_prevmouseb & (1<<i);
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139
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140 if (curbutton && !prevbutton) {
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141 SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0);
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142 }
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e9278438fb3b Date: Thu, 04 Apr 2002 13:27:36 GMT+1
Sam Lantinga <slouken@libsdl.org>
parents: 305
diff changeset
143 if (!curbutton && prevbutton) {
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 SDL_PrivateMouseButton(SDL_RELEASED, atari_GetButton(i), 0, 0);
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 }
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 }
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 atari_prevmouseb = SDL_AtariXbios_mouseb;
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
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148 }
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
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149 }
3857
be01e0b82dca Allow mouse to be locked when grabbed with GEM driver
Patrice Mandin <patmandin@gmail.com>
parents: 1402
diff changeset
150
be01e0b82dca Allow mouse to be locked when grabbed with GEM driver
Patrice Mandin <patmandin@gmail.com>
parents: 1402
diff changeset
151 void SDL_AtariXbios_LockMousePosition(SDL_bool lockPosition)
be01e0b82dca Allow mouse to be locked when grabbed with GEM driver
Patrice Mandin <patmandin@gmail.com>
parents: 1402
diff changeset
152 {
be01e0b82dca Allow mouse to be locked when grabbed with GEM driver
Patrice Mandin <patmandin@gmail.com>
parents: 1402
diff changeset
153 SDL_AtariXbios_mouselock = lockPosition;
be01e0b82dca Allow mouse to be locked when grabbed with GEM driver
Patrice Mandin <patmandin@gmail.com>
parents: 1402
diff changeset
154 }