Mercurial > sdl-ios-xcode
annotate include/SDL_mouse.h @ 1339:62802d9d7c87
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 07 Feb 2006 10:40:14 +0000 |
| parents | 450721ad5436 |
| children | 67114343400d |
| 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 | |
| 23 /* Include file for SDL mouse event handling */ | |
| 24 | |
| 25 #ifndef _SDL_mouse_h | |
| 26 #define _SDL_mouse_h | |
| 27 | |
| 28 #include "SDL_types.h" | |
| 29 #include "SDL_video.h" | |
| 30 | |
| 31 #include "begin_code.h" | |
| 32 /* Set up for C function definitions, even when using C++ */ | |
| 33 #ifdef __cplusplus | |
| 34 extern "C" { | |
| 35 #endif | |
| 36 | |
| 37 typedef struct WMcursor WMcursor; /* Implementation dependent */ | |
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38 typedef struct SDL_Cursor { |
| 0 | 39 SDL_Rect area; /* The area of the mouse cursor */ |
| 40 Sint16 hot_x, hot_y; /* The "tip" of the cursor */ | |
| 41 Uint8 *data; /* B/W cursor data */ | |
| 42 Uint8 *mask; /* B/W cursor mask */ | |
| 43 Uint8 *save[2]; /* Place to save cursor area */ | |
| 44 WMcursor *wm_cursor; /* Window-manager cursor */ | |
| 45 } SDL_Cursor; | |
| 46 | |
| 47 /* Function prototypes */ | |
| 48 /* | |
| 49 * Retrieve the current state of the mouse. | |
| 50 * The current button state is returned as a button bitmask, which can | |
| 51 * be tested using the SDL_BUTTON(X) macros, and x and y are set to the | |
| 52 * current mouse cursor position. You can pass NULL for either x or y. | |
| 53 */ | |
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54 extern DECLSPEC Uint8 SDLCALL SDL_GetMouseState(int *x, int *y); |
| 0 | 55 |
| 56 /* | |
| 57 * Retrieve the current state of the mouse. | |
| 58 * The current button state is returned as a button bitmask, which can | |
| 59 * be tested using the SDL_BUTTON(X) macros, and x and y are set to the | |
| 60 * mouse deltas since the last call to SDL_GetRelativeMouseState(). | |
| 61 */ | |
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62 extern DECLSPEC Uint8 SDLCALL SDL_GetRelativeMouseState(int *x, int *y); |
| 0 | 63 |
| 64 /* | |
| 65 * Set the position of the mouse cursor (generates a mouse motion event) | |
| 66 */ | |
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67 extern DECLSPEC void SDLCALL SDL_WarpMouse(Uint16 x, Uint16 y); |
| 0 | 68 |
| 69 /* | |
| 70 * Create a cursor using the specified data and mask (in MSB format). | |
| 71 * The cursor width must be a multiple of 8 bits. | |
| 72 * | |
| 73 * The cursor is created in black and white according to the following: | |
| 74 * data mask resulting pixel on screen | |
| 75 * 0 1 White | |
| 76 * 1 1 Black | |
| 77 * 0 0 Transparent | |
| 78 * 1 0 Inverted color if possible, black if not. | |
| 79 * | |
| 80 * Cursors created with this function must be freed with SDL_FreeCursor(). | |
| 81 */ | |
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82 extern DECLSPEC SDL_Cursor * SDLCALL SDL_CreateCursor |
| 0 | 83 (Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); |
| 84 | |
| 85 /* | |
| 86 * Set the currently active cursor to the specified one. | |
| 87 * If the cursor is currently visible, the change will be immediately | |
| 88 * represented on the display. | |
| 89 */ | |
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90 extern DECLSPEC void SDLCALL SDL_SetCursor(SDL_Cursor *cursor); |
| 0 | 91 |
| 92 /* | |
| 93 * Returns the currently active cursor. | |
| 94 */ | |
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95 extern DECLSPEC SDL_Cursor * SDLCALL SDL_GetCursor(void); |
| 0 | 96 |
| 97 /* | |
| 98 * Deallocates a cursor created with SDL_CreateCursor(). | |
| 99 */ | |
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100 extern DECLSPEC void SDLCALL SDL_FreeCursor(SDL_Cursor *cursor); |
| 0 | 101 |
| 102 /* | |
| 103 * Toggle whether or not the cursor is shown on the screen. | |
| 104 * The cursor start off displayed, but can be turned off. | |
| 105 * SDL_ShowCursor() returns 1 if the cursor was being displayed | |
| 106 * before the call, or 0 if it was not. You can query the current | |
| 107 * state by passing a 'toggle' value of -1. | |
| 108 */ | |
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109 extern DECLSPEC int SDLCALL SDL_ShowCursor(int toggle); |
| 0 | 110 |
| 111 /* Used as a mask when testing buttons in buttonstate | |
| 112 Button 1: Left mouse button | |
| 113 Button 2: Middle mouse button | |
| 114 Button 3: Right mouse button | |
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115 Button 4: Mouse wheel up (may also be a real button) |
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116 Button 5: Mouse wheel down (may also be a real button) |
| 0 | 117 */ |
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118 #define SDL_BUTTON(X) (1 << ((X)-1)) |
| 0 | 119 #define SDL_BUTTON_LEFT 1 |
| 120 #define SDL_BUTTON_MIDDLE 2 | |
| 121 #define SDL_BUTTON_RIGHT 3 | |
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122 #define SDL_BUTTON_WHEELUP 4 |
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123 #define SDL_BUTTON_WHEELDOWN 5 |
| 0 | 124 #define SDL_BUTTON_LMASK SDL_BUTTON(SDL_BUTTON_LEFT) |
| 125 #define SDL_BUTTON_MMASK SDL_BUTTON(SDL_BUTTON_MIDDLE) | |
| 126 #define SDL_BUTTON_RMASK SDL_BUTTON(SDL_BUTTON_RIGHT) | |
| 127 | |
| 128 | |
| 129 /* Ends C function definitions when using C++ */ | |
| 130 #ifdef __cplusplus | |
| 131 } | |
| 132 #endif | |
| 133 #include "close_code.h" | |
| 134 | |
| 135 #endif /* _SDL_mouse_h */ |