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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 #if defined(__APPLE__) && defined(__MACH__) |
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25 #include <Carbon/Carbon.h> |
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26 #elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335) |
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27 #include <Carbon.h> |
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28 #else |
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29 #include <Quickdraw.h> |
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30 #endif |
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31 |
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32 /* Routines that are not supported by the Carbon API... */ |
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33 #if !TARGET_API_MAC_CARBON |
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34 #include <CursorDevices.h> |
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35 #endif |
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36 |
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37 #include "SDL_mouse.h" |
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38 #include "SDL_macmouse_c.h" |
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39 |
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40 |
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41 /* The implementation dependent data for the window manager cursor */ |
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42 struct WMcursor { |
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43 Cursor curs; |
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44 }; |
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45 |
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46 |
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47 void Mac_FreeWMCursor(_THIS, WMcursor *cursor) |
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48 { |
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49 SDL_free(cursor); |
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50 } |
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51 |
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52 WMcursor *Mac_CreateWMCursor(_THIS, |
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53 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) |
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54 { |
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55 WMcursor *cursor; |
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56 int row, bytes; |
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57 |
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58 /* Allocate the cursor memory */ |
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59 cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); |
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60 if ( cursor == NULL ) { |
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61 SDL_OutOfMemory(); |
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62 return(NULL); |
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63 } |
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64 SDL_memset(cursor, 0, sizeof(*cursor)); |
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65 |
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66 if (w > 16) |
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67 w = 16; |
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68 |
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69 if (h > 16) |
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70 h = 16; |
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71 |
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72 bytes = (w+7)/8; |
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73 |
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74 for ( row=0; row<h; ++row ) { |
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75 SDL_memcpy(&cursor->curs.data[row], data, bytes); |
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76 data += bytes; |
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77 } |
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78 for ( row=0; row<h; ++row ) { |
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79 SDL_memcpy(&cursor->curs.mask[row], mask, bytes); |
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80 mask += bytes; |
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81 } |
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82 cursor->curs.hotSpot.h = hot_x; |
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83 cursor->curs.hotSpot.v = hot_y; |
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84 |
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85 /* That was easy. :) */ |
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86 return(cursor); |
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87 } |
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88 |
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89 int Mac_cursor_showing = 1; |
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90 |
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91 int Mac_ShowWMCursor(_THIS, WMcursor *cursor) |
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92 { |
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93 if ( cursor == NULL ) { |
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94 if ( Mac_cursor_showing ) { |
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95 HideCursor(); |
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96 Mac_cursor_showing = 0; |
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97 } |
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98 } else { |
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99 SetCursor(&cursor->curs); |
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100 if ( ! Mac_cursor_showing ) { |
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101 ShowCursor(); |
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102 Mac_cursor_showing = 1; |
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103 } |
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104 } |
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105 return(1); |
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106 } |
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107 |
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108 void Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y) |
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109 { |
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110 #if !TARGET_API_MAC_CARBON |
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111 CursorDevice *cursordevice; |
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112 |
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113 cursordevice = nil; |
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114 CursorDeviceNextDevice(&cursordevice); |
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115 if ( cursordevice != nil ) { |
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116 WindowPtr saveport; |
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117 Point where; |
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118 |
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119 GetPort(&saveport); |
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120 SetPort(SDL_Window); |
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121 where.h = x; |
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122 where.v = y; |
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123 LocalToGlobal(&where); |
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124 SetPort(saveport); |
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125 CursorDeviceMoveTo(cursordevice, where.h, where.v); |
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126 } |
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127 #endif /* !TARGET_API_MAC_CARBON */ |
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128 } |
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129 |