Mercurial > sdl-ios-xcode
annotate src/video/maccommon/SDL_macmouse.c @ 1929:595ac54a8f9f
Added an environment variable to select which driver the software renderer will use.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 23 Jul 2006 00:48:12 +0000 |
parents | c121d94672cb |
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rev | line source |
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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 | |
252
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 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) |
0 | 27 #include <Carbon.h> |
28 #else | |
29 #include <Quickdraw.h> | |
30 #endif | |
31 | |
32 /* Routines that are not supported by the Carbon API... */ | |
33 #if !TARGET_API_MAC_CARBON | |
34 #include <CursorDevices.h> | |
35 #endif | |
36 | |
37 #include "SDL_mouse.h" | |
38 #include "SDL_macmouse_c.h" | |
39 | |
40 | |
41 /* The implementation dependent data for the window manager cursor */ | |
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42 struct WMcursor |
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43 { |
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44 Cursor curs; |
0 | 45 }; |
46 | |
47 | |
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48 void |
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49 Mac_FreeWMCursor(_THIS, WMcursor * cursor) |
0 | 50 { |
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51 SDL_free(cursor); |
0 | 52 } |
53 | |
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54 WMcursor * |
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55 Mac_CreateWMCursor(_THIS, |
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56 Uint8 * data, Uint8 * mask, int w, int h, int hot_x, |
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57 int hot_y) |
0 | 58 { |
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59 WMcursor *cursor; |
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60 int row, bytes; |
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61 |
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62 /* Allocate the cursor memory */ |
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63 cursor = (WMcursor *) SDL_malloc(sizeof(WMcursor)); |
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64 if (cursor == NULL) { |
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65 SDL_OutOfMemory(); |
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66 return (NULL); |
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67 } |
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68 SDL_memset(cursor, 0, sizeof(*cursor)); |
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69 |
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70 if (w > 16) |
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71 w = 16; |
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72 |
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73 if (h > 16) |
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74 h = 16; |
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75 |
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76 bytes = (w + 7) / 8; |
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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.data[row], data, bytes); |
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80 data += bytes; |
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81 } |
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82 for (row = 0; row < h; ++row) { |
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83 SDL_memcpy(&cursor->curs.mask[row], mask, bytes); |
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84 mask += bytes; |
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85 } |
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86 cursor->curs.hotSpot.h = hot_x; |
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87 cursor->curs.hotSpot.v = hot_y; |
0 | 88 |
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89 /* That was easy. :) */ |
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90 return (cursor); |
0 | 91 } |
92 | |
93 int Mac_cursor_showing = 1; | |
94 | |
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95 int |
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96 Mac_ShowWMCursor(_THIS, WMcursor * cursor) |
0 | 97 { |
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98 if (cursor == NULL) { |
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99 if (Mac_cursor_showing) { |
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100 HideCursor(); |
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101 Mac_cursor_showing = 0; |
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102 } |
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103 } else { |
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104 SetCursor(&cursor->curs); |
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105 if (!Mac_cursor_showing) { |
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106 ShowCursor(); |
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107 Mac_cursor_showing = 1; |
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108 } |
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109 } |
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110 return (1); |
0 | 111 } |
112 | |
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113 void |
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114 Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y) |
0 | 115 { |
116 #if !TARGET_API_MAC_CARBON | |
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117 CursorDevice *cursordevice; |
0 | 118 |
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119 cursordevice = nil; |
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120 CursorDeviceNextDevice(&cursordevice); |
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121 if (cursordevice != nil) { |
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122 WindowPtr saveport; |
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123 Point where; |
0 | 124 |
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125 GetPort(&saveport); |
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126 SetPort(SDL_Window); |
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127 where.h = x; |
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128 where.v = y; |
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129 LocalToGlobal(&where); |
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130 SetPort(saveport); |
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131 CursorDeviceMoveTo(cursordevice, where.h, where.v); |
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132 } |
0 | 133 #endif /* !TARGET_API_MAC_CARBON */ |
134 } | |
135 | |
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136 /* vi: set ts=4 sw=4 expandtab: */ |