Mercurial > sdl-ios-xcode

annotate src/events/SDL_mouse_c.h @ 1675:d33dcfc3fde7 SDL-1.3

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Overlay functions are being replaced by YUV textures. If the driver doesn't support YUV textures, they can be emulated by backing the texture with an RGB texture and using the software conversion routines. Note that it doesn't make sense to lock a portion of a YV12 texture, since you'd need to return three pixel pointers and pitch values instead of the one that's available through the API. I'm guessing that's one of the reasons DirectX 9 doesn't support this format at all.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 11 Jun 2006 07:30:16 +0000
parents 89f7510fe17a
children 5daa04d862f1
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 #ifndef _SDL_mouse_c_h
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25 #define _SDL_mouse_c_h
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26
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27 typedef struct SDL_Mouse SDL_Mouse;
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28
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29 struct SDL_Cursor
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30 {
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31 SDL_Mouse *mouse;
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32
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33 SDL_Cursor *next;
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34
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35 void *driverdata;
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36 };
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37
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38 struct SDL_Mouse
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39 {
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40 /* Create a cursor from a surface */
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41 SDL_Cursor *(*CreateCursor) (SDL_Surface * surface, int hot_x, int hot_y);
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42
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43 /* Show the specified cursor, or hide if cursor is NULL */
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44 int (*ShowCursor) (SDL_Cursor * cursor);
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45
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46 /* This is called when a mouse motion event occurs */
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47 void (*MoveCursor) (SDL_Cursor * cursor);
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48
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49 /* Free a window manager cursor */
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50 void (*FreeCursor) (SDL_Cursor * cursor);
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51
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52 /* Warp the mouse to (x,y) */
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53 void (*WarpMouse) (SDL_Mouse * mouse, SDL_WindowID windowID, int x,
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54 int y);
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55
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56 /* Free the mouse when it's time */
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57 void (*FreeMouse) (SDL_Mouse * mouse);
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58
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59 /* Data common to all mice */
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60 SDL_WindowID focus;
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61 int x;
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62 int y;
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63 int xdelta;
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64 int ydelta;
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65 Uint8 buttonstate;
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66
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67 SDL_Cursor *cursors;
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68 SDL_Cursor *def_cursor;
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69 SDL_Cursor *cur_cursor;
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70 SDL_bool cursor_shown;
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71
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72 void *driverdata;
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73 };
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74
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75
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76 /* Initialize the mouse subsystem */
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77 extern int SDL_MouseInit(void);
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78
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79 /* Get the mouse at an index */
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80 extern SDL_Mouse *SDL_GetMouse(int index);
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81
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82 /* Add a mouse, possibly reattaching at a particular index (or -1),
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83 returning the index of the mouse, or -1 if there was an error.
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84 */
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85 extern int SDL_AddMouse(const SDL_Mouse * mouse, int index);
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86
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87 /* Remove a mouse at an index, clearing the slot for later */
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88 extern void SDL_DelMouse(int index);
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89
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90 /* Clear the button state of a mouse at an index */
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91 extern void SDL_ResetMouse(int index);
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92
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93 /* Send a mouse motion event for a mouse at an index */
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94 extern int SDL_SendMouseMotion(int index, SDL_WindowID windowID, int relative,
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95 int x, int y);
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96
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97 /* Send a mouse button event for a mouse at an index */
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98 extern int SDL_SendMouseButton(int index, SDL_WindowID windowID, Uint8 state,
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99 Uint8 button);
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100
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101 /* Shutdown the mouse subsystem */
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102 extern void SDL_MouseQuit(void);
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103
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104 #endif /* _SDL_mouse_c_h */
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105
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106 /* vi: set ts=4 sw=4 expandtab: */