Mercurial > sdl-ios-xcode
annotate include/SDL_mouse.h @ 1671:89f7510fe17a SDL-1.3
Moved the cursor handling into the mouse code.
Added support for multiple mice, potentially dynamically added and removed.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 09 Jun 2006 06:42:42 +0000 |
| parents | eef792d31de8 |
| children | 624e1412fbba |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 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 |
| 0 | 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. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
| 0 | 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 |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
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23 /** |
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24 * \file SDL_mouse.h |
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25 * |
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26 * Include file for SDL mouse event handling |
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27 */ |
| 0 | 28 |
| 29 #ifndef _SDL_mouse_h | |
| 30 #define _SDL_mouse_h | |
| 31 | |
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32 #include "SDL_stdinc.h" |
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33 #include "SDL_error.h" |
| 0 | 34 #include "SDL_video.h" |
| 35 | |
| 36 #include "begin_code.h" | |
| 37 /* Set up for C function definitions, even when using C++ */ | |
| 38 #ifdef __cplusplus | |
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39 /* *INDENT-OFF* */ |
| 0 | 40 extern "C" { |
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41 /* *INDENT-ON* */ |
| 0 | 42 #endif |
| 43 | |
| 1670 | 44 typedef struct SDL_Cursor SDL_Cursor; /* Implementation dependent */ |
| 0 | 45 |
| 46 /* Function prototypes */ | |
| 1670 | 47 |
| 48 /* \fn int SDL_GetNumMice(void) | |
| 49 * | |
| 50 * \brief Get the number of mouse input devices available. | |
| 51 * | |
| 52 * \sa SDL_SelectMouse() | |
| 53 */ | |
| 54 extern DECLSPEC int SDLCALL SDL_GetNumMice(void); | |
| 55 | |
| 56 /* \fn int SDL_SelectMouse(int index) | |
| 57 * | |
| 58 * \brief Set the index of the currently selected mouse. | |
| 59 * | |
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60 * \return The index of the previously selected mouse. |
| 1670 | 61 * |
| 62 * \note You can query the currently selected mouse by passing an index of -1. | |
| 63 * | |
| 64 * \sa SDL_GetNumMice() | |
| 65 */ | |
| 66 extern DECLSPEC int SDLCALL SDL_SelectMouse(int index); | |
| 67 | |
| 68 /* \fn SDL_WindowID SDL_GetMouseFocusWindow(void) | |
| 69 * | |
| 70 * \brief Get the window which currently has focus for the currently selected mouse. | |
| 71 */ | |
| 72 extern DECLSPEC SDL_WindowID SDLCALL SDL_GetMouseFocusWindow(void); | |
| 73 | |
| 0 | 74 /* |
| 1670 | 75 * \fn Uint8 SDL_GetMouseState(int *x, int *y) |
| 76 * | |
| 77 * \brief Retrieve the current state of the mouse. | |
| 78 * | |
| 0 | 79 * The current button state is returned as a button bitmask, which can |
| 80 * be tested using the SDL_BUTTON(X) macros, and x and y are set to the | |
| 1670 | 81 * mouse cursor position relative to the focus window for the currently |
| 82 * selected mouse. You can pass NULL for either x or y. | |
| 0 | 83 */ |
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84 extern DECLSPEC Uint8 SDLCALL SDL_GetMouseState(int *x, int *y); |
| 0 | 85 |
| 86 /* | |
| 1670 | 87 * \fn Uint8 SDL_GetRelativeMouseState(int *x, int *y) |
| 88 * | |
| 89 * \brief Retrieve the current state of the mouse. | |
| 90 * | |
| 0 | 91 * The current button state is returned as a button bitmask, which can |
| 92 * be tested using the SDL_BUTTON(X) macros, and x and y are set to the | |
| 93 * mouse deltas since the last call to SDL_GetRelativeMouseState(). | |
| 94 */ | |
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95 extern DECLSPEC Uint8 SDLCALL SDL_GetRelativeMouseState(int *x, int *y); |
| 0 | 96 |
| 97 /* | |
| 1670 | 98 * \fn void SDL_WarpMouseInWindow(SDL_WindowID windowID, int x, int y) |
| 99 * | |
| 100 * \brief Moves the currently selected mouse to the given position within the window. | |
| 101 * | |
| 102 * \param windowID The window to move the mouse into, or 0 for the current mouse focus | |
| 103 * \param x The x coordinate within the window | |
| 104 * \param y The y coordinate within the window | |
| 105 * | |
| 106 * \note This function generates a mouse motion event | |
| 0 | 107 */ |
| 1670 | 108 extern DECLSPEC void SDLCALL SDL_WarpMouseInWindow(SDL_WindowID windowID, |
| 109 int x, int y); | |
| 0 | 110 |
| 111 /* | |
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112 * \fn SDL_Cursor *SDL_CreateCursor (const Uint8 * data, const Uint8 * mask, int w, int h, int hot_x, int hot_y) |
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113 * |
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114 * \brief Create a cursor for the currently selected mouse, using the |
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115 * specified bitmap data and mask (in MSB format). |
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116 * |
| 0 | 117 * The cursor width must be a multiple of 8 bits. |
| 118 * | |
| 119 * The cursor is created in black and white according to the following: | |
| 120 * data mask resulting pixel on screen | |
| 121 * 0 1 White | |
| 122 * 1 1 Black | |
| 123 * 0 0 Transparent | |
| 124 * 1 0 Inverted color if possible, black if not. | |
| 125 * | |
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126 * \sa SDL_FreeCursor() |
| 0 | 127 */ |
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128 extern DECLSPEC SDL_Cursor *SDLCALL SDL_CreateCursor(const Uint8 * data, |
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129 const Uint8 * mask, |
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130 int w, int h, int hot_x, |
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131 int hot_y); |
| 0 | 132 |
| 133 /* | |
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134 * \fn void SDL_SetCursor(SDL_Cursor * cursor) |
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135 * |
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136 * \brief Set the active cursor for the currently selected mouse. |
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137 * |
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138 * \note The cursor must have been created for the selected mouse. |
| 0 | 139 */ |
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140 extern DECLSPEC void SDLCALL SDL_SetCursor(SDL_Cursor * cursor); |
| 0 | 141 |
| 142 /* | |
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143 * \fn SDL_Cursor *SDL_GetCursor(void) |
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144 * |
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145 * \brief Return the active cursor for the currently selected mouse. |
| 0 | 146 */ |
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147 extern DECLSPEC SDL_Cursor *SDLCALL SDL_GetCursor(void); |
| 0 | 148 |
| 149 /* | |
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150 * \fn void SDL_FreeCursor(SDL_Cursor * cursor) |
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151 * |
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152 * \brief Frees a cursor created with SDL_CreateCursor(). |
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153 * |
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154 * \sa SDL_CreateCursor() |
| 0 | 155 */ |
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156 extern DECLSPEC void SDLCALL SDL_FreeCursor(SDL_Cursor * cursor); |
| 0 | 157 |
| 158 /* | |
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159 * \fn int SDL_ShowCursor(int toggle) |
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160 * |
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161 * \brief Toggle whether or not the cursor is shown for the currently selected mouse. |
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162 * |
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163 * \param toggle 1 to show the cursor, 0 to hide it, -1 to query the current state. |
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164 * |
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165 * \return 1 if the cursor is shown, or 0 if the cursor is hidden. |
| 0 | 166 */ |
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167 extern DECLSPEC int SDLCALL SDL_ShowCursor(int toggle); |
| 0 | 168 |
| 169 /* Used as a mask when testing buttons in buttonstate | |
| 170 Button 1: Left mouse button | |
| 171 Button 2: Middle mouse button | |
| 172 Button 3: Right mouse button | |
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173 Button 4: Mouse wheel up (may also be a real button) |
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174 Button 5: Mouse wheel down (may also be a real button) |
| 0 | 175 */ |
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176 #define SDL_BUTTON(X) (1 << ((X)-1)) |
| 0 | 177 #define SDL_BUTTON_LEFT 1 |
| 178 #define SDL_BUTTON_MIDDLE 2 | |
| 179 #define SDL_BUTTON_RIGHT 3 | |
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180 #define SDL_BUTTON_WHEELUP 4 |
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181 #define SDL_BUTTON_WHEELDOWN 5 |
| 0 | 182 #define SDL_BUTTON_LMASK SDL_BUTTON(SDL_BUTTON_LEFT) |
| 183 #define SDL_BUTTON_MMASK SDL_BUTTON(SDL_BUTTON_MIDDLE) | |
| 184 #define SDL_BUTTON_RMASK SDL_BUTTON(SDL_BUTTON_RIGHT) | |
| 185 | |
| 186 | |
| 187 /* Ends C function definitions when using C++ */ | |
| 188 #ifdef __cplusplus | |
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189 /* *INDENT-OFF* */ |
| 0 | 190 } |
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191 /* *INDENT-ON* */ |
| 0 | 192 #endif |
| 193 #include "close_code.h" | |
| 194 | |
| 195 #endif /* _SDL_mouse_h */ | |
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196 |
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197 /* vi: set ts=4 sw=4 expandtab: */ |