Mercurial > sdl-ios-xcode
annotate test/testjoystick.c @ 4207:a673f44949d6 SDL-1.2
Fixed bug #562
this patch by Diego Pettenò <flameeyes@gentoo.org> for SDL-1.2:
The attached patch applies over latest ~arch SDL version, and allows to use the
xinerama support to launch an application full screened on the head "0".
The SDL_VIDEO_FULLSCREEN_HEAD environment variable sets the head on which the
full screen will be displayed, but if you set it to 0, the code simply ignores
it as unset. My patch changes the unset value to -1, so that the 0 value can be
used correctly. Without this, trying to get fullscreen on head 0 would get the
same result than not having xinerama enabled at all.
http://sources.gentoo.org/media-libs/libsdl/files/libsdl-1.2.11-xinerama-head-0.patch
SDL-1.3 doesnt seem to have any code like this, but it's still good for SDL-1.2
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 21 Sep 2009 07:20:51 +0000 |
| parents | 0dd0ca51d941 |
| children |
| rev | line source |
|---|---|
| 0 | 1 |
| 2 /* Simple program to test the SDL joystick routines */ | |
| 3 | |
| 4 #include <stdio.h> | |
| 5 #include <stdlib.h> | |
| 6 #include <string.h> | |
| 7 | |
| 8 #include "SDL.h" | |
| 9 | |
| 10 #define SCREEN_WIDTH 640 | |
| 11 #define SCREEN_HEIGHT 480 | |
| 12 | |
| 13 void WatchJoystick(SDL_Joystick *joystick) | |
| 14 { | |
| 15 SDL_Surface *screen; | |
| 16 const char *name; | |
| 17 int i, done; | |
| 18 SDL_Event event; | |
| 19 int x, y, draw; | |
|
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parents:
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diff
changeset
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20 SDL_Rect axis_area[2]; |
| 0 | 21 |
| 22 /* Set a video mode to display joystick axis position */ | |
| 23 screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 16, 0); | |
| 24 if ( screen == NULL ) { | |
| 25 fprintf(stderr, "Couldn't set video mode: %s\n",SDL_GetError()); | |
| 26 return; | |
| 27 } | |
| 28 | |
| 29 /* Print info about the joystick we are watching */ | |
| 30 name = SDL_JoystickName(SDL_JoystickIndex(joystick)); | |
| 31 printf("Watching joystick %d: (%s)\n", SDL_JoystickIndex(joystick), | |
| 32 name ? name : "Unknown Joystick"); | |
| 33 printf("Joystick has %d axes, %d hats, %d balls, and %d buttons\n", | |
| 34 SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick), | |
| 35 SDL_JoystickNumBalls(joystick),SDL_JoystickNumButtons(joystick)); | |
| 36 | |
| 37 /* Initialize drawing rectangles */ | |
| 38 memset(axis_area, 0, (sizeof axis_area)); | |
| 39 draw = 0; | |
| 40 | |
| 41 /* Loop, getting joystick events! */ | |
| 42 done = 0; | |
| 43 while ( ! done ) { | |
| 44 while ( SDL_PollEvent(&event) ) { | |
| 45 switch (event.type) { | |
| 46 case SDL_JOYAXISMOTION: | |
| 47 printf("Joystick %d axis %d value: %d\n", | |
| 48 event.jaxis.which, | |
| 49 event.jaxis.axis, | |
| 50 event.jaxis.value); | |
| 51 break; | |
| 52 case SDL_JOYHATMOTION: | |
| 53 printf("Joystick %d hat %d value:", | |
| 54 event.jhat.which, | |
| 55 event.jhat.hat); | |
| 56 if ( event.jhat.value == SDL_HAT_CENTERED ) | |
| 57 printf(" centered"); | |
| 58 if ( event.jhat.value & SDL_HAT_UP ) | |
| 59 printf(" up"); | |
| 60 if ( event.jhat.value & SDL_HAT_RIGHT ) | |
| 61 printf(" right"); | |
| 62 if ( event.jhat.value & SDL_HAT_DOWN ) | |
| 63 printf(" down"); | |
| 64 if ( event.jhat.value & SDL_HAT_LEFT ) | |
| 65 printf(" left"); | |
| 66 printf("\n"); | |
| 67 break; | |
| 68 case SDL_JOYBALLMOTION: | |
| 69 printf("Joystick %d ball %d delta: (%d,%d)\n", | |
| 70 event.jball.which, | |
| 71 event.jball.ball, | |
| 72 event.jball.xrel, | |
| 73 event.jball.yrel); | |
| 74 break; | |
| 75 case SDL_JOYBUTTONDOWN: | |
| 76 printf("Joystick %d button %d down\n", | |
| 77 event.jbutton.which, | |
| 78 event.jbutton.button); | |
| 79 break; | |
| 80 case SDL_JOYBUTTONUP: | |
| 81 printf("Joystick %d button %d up\n", | |
| 82 event.jbutton.which, | |
| 83 event.jbutton.button); | |
| 84 break; | |
| 85 case SDL_KEYDOWN: | |
| 86 if ( event.key.keysym.sym != SDLK_ESCAPE ) { | |
| 87 break; | |
| 88 } | |
| 89 /* Fall through to signal quit */ | |
| 90 case SDL_QUIT: | |
| 91 done = 1; | |
| 92 break; | |
| 93 default: | |
| 94 break; | |
| 95 } | |
| 96 } | |
| 97 /* Update visual joystick state */ | |
| 98 for ( i=0; i<SDL_JoystickNumButtons(joystick); ++i ) { | |
| 99 SDL_Rect area; | |
| 100 | |
| 101 area.x = i*34; | |
| 102 area.y = SCREEN_HEIGHT-34; | |
| 103 area.w = 32; | |
| 104 area.h = 32; | |
| 105 if (SDL_JoystickGetButton(joystick, i) == SDL_PRESSED) { | |
| 106 SDL_FillRect(screen, &area, 0xFFFF); | |
| 107 } else { | |
| 108 SDL_FillRect(screen, &area, 0x0000); | |
| 109 } | |
| 110 SDL_UpdateRects(screen, 1, &area); | |
| 111 } | |
| 112 | |
|
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parents:
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diff
changeset
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113 /* Erase previous axes */ |
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parents:
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changeset
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114 SDL_FillRect(screen, &axis_area[draw], 0x0000); |
| 0 | 115 |
|
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parents:
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116 /* Draw the X/Y axis */ |
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117 draw = !draw; |
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parents:
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changeset
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118 x = (((int)SDL_JoystickGetAxis(joystick, 0))+32768); |
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parents:
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diff
changeset
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119 x *= SCREEN_WIDTH; |
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5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
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120 x /= 65535; |
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Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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121 if ( x < 0 ) { |
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Moved DirectInput joystick code to 1.3 branch
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parents:
1854
diff
changeset
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122 x = 0; |
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Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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123 } else |
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5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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124 if ( x > (SCREEN_WIDTH-16) ) { |
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5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
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parents:
1854
diff
changeset
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125 x = SCREEN_WIDTH-16; |
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5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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126 } |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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127 y = (((int)SDL_JoystickGetAxis(joystick, 1))+32768); |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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128 y *= SCREEN_HEIGHT; |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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129 y /= 65535; |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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130 if ( y < 0 ) { |
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5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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131 y = 0; |
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Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
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132 } else |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
|
133 if ( y > (SCREEN_HEIGHT-16) ) { |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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134 y = SCREEN_HEIGHT-16; |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
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parents:
1854
diff
changeset
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135 } |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
|
136 axis_area[draw].x = (Sint16)x; |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
|
137 axis_area[draw].y = (Sint16)y; |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
|
138 axis_area[draw].w = 16; |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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139 axis_area[draw].h = 16; |
|
5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
|
140 SDL_FillRect(screen, &axis_area[draw], 0xFFFF); |
| 1854 | 141 |
|
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5ff2c01e475e
Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1854
diff
changeset
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142 SDL_UpdateRects(screen, 2, axis_area); |
| 0 | 143 } |
| 144 } | |
| 145 | |
| 146 int main(int argc, char *argv[]) | |
| 147 { | |
| 148 const char *name; | |
| 149 int i; | |
| 150 SDL_Joystick *joystick; | |
| 151 | |
| 152 /* Initialize SDL (Note: video is required to start event loop) */ | |
| 153 if ( SDL_Init(SDL_INIT_VIDEO|SDL_INIT_JOYSTICK) < 0 ) { | |
| 154 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); | |
| 155 exit(1); | |
| 156 } | |
| 157 | |
| 158 /* Print information about the joysticks */ | |
| 159 printf("There are %d joysticks attached\n", SDL_NumJoysticks()); | |
| 160 for ( i=0; i<SDL_NumJoysticks(); ++i ) { | |
| 161 name = SDL_JoystickName(i); | |
| 162 printf("Joystick %d: %s\n",i,name ? name : "Unknown Joystick"); | |
|
4073
0dd0ca51d941
Merged r3295:3296 from trunk/SDL: testjoystick reusing "joystick" variable.
Ryan C. Gordon <icculus@icculus.org>
parents:
4071
diff
changeset
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163 joystick = SDL_JoystickOpen(i); |
|
0dd0ca51d941
Merged r3295:3296 from trunk/SDL: testjoystick reusing "joystick" variable.
Ryan C. Gordon <icculus@icculus.org>
parents:
4071
diff
changeset
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164 if (joystick == NULL) { |
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4071
3d9040dcc47e
Dump more information about each joystick in testjoytick.c
Ryan C. Gordon <icculus@icculus.org>
parents:
1855
diff
changeset
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165 fprintf(stderr, "SDL_JoystickOpen(%d) failed: %s\n", i, SDL_GetError()); |
|
3d9040dcc47e
Dump more information about each joystick in testjoytick.c
Ryan C. Gordon <icculus@icculus.org>
parents:
1855
diff
changeset
|
166 } else { |
|
4073
0dd0ca51d941
Merged r3295:3296 from trunk/SDL: testjoystick reusing "joystick" variable.
Ryan C. Gordon <icculus@icculus.org>
parents:
4071
diff
changeset
|
167 printf(" axes: %d\n", SDL_JoystickNumAxes(joystick)); |
|
0dd0ca51d941
Merged r3295:3296 from trunk/SDL: testjoystick reusing "joystick" variable.
Ryan C. Gordon <icculus@icculus.org>
parents:
4071
diff
changeset
|
168 printf(" balls: %d\n", SDL_JoystickNumBalls(joystick)); |
|
0dd0ca51d941
Merged r3295:3296 from trunk/SDL: testjoystick reusing "joystick" variable.
Ryan C. Gordon <icculus@icculus.org>
parents:
4071
diff
changeset
|
169 printf(" hats: %d\n", SDL_JoystickNumHats(joystick)); |
|
0dd0ca51d941
Merged r3295:3296 from trunk/SDL: testjoystick reusing "joystick" variable.
Ryan C. Gordon <icculus@icculus.org>
parents:
4071
diff
changeset
|
170 printf(" buttons: %d\n", SDL_JoystickNumButtons(joystick)); |
|
0dd0ca51d941
Merged r3295:3296 from trunk/SDL: testjoystick reusing "joystick" variable.
Ryan C. Gordon <icculus@icculus.org>
parents:
4071
diff
changeset
|
171 SDL_JoystickClose(joystick); |
|
4071
3d9040dcc47e
Dump more information about each joystick in testjoytick.c
Ryan C. Gordon <icculus@icculus.org>
parents:
1855
diff
changeset
|
172 } |
| 0 | 173 } |
| 174 | |
| 175 if ( argv[1] ) { | |
| 176 joystick = SDL_JoystickOpen(atoi(argv[1])); | |
| 177 if ( joystick == NULL ) { | |
| 178 printf("Couldn't open joystick %d: %s\n", atoi(argv[1]), | |
| 179 SDL_GetError()); | |
| 180 } else { | |
| 181 WatchJoystick(joystick); | |
| 182 SDL_JoystickClose(joystick); | |
| 183 } | |
| 184 } | |
| 185 SDL_QuitSubSystem(SDL_INIT_VIDEO|SDL_INIT_JOYSTICK); | |
| 186 | |
| 187 return(0); | |
| 188 } |