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annotate src/video/photon/SDL_ph_mouse.c @ 1050:8e1815fd9777

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Holding down shift while moving the mouse's scrollwheel on MacOS X makes the OS report these are "horizontal scrollwheel" events, which confuses gaming apps in several legitimate conditions. Now all scrollwheel events are made to look vertical when passed to the app. Patch by John Knottenbelt. http://www.libsdl.org/pipermail/sdl/2005-March/067978.html
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Apr 2005 10:32:41 +0000
parents b8d311d90021
children c9b51268668f
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include <stdlib.h>
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29 #include <stdio.h>
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30 #include <string.h>
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31
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32 #include "SDL_error.h"
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33 #include "SDL_mouse.h"
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34 #include "SDL_events_c.h"
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35 #include "SDL_cursor_c.h"
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36 #include "SDL_ph_mouse_c.h"
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37
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38 struct WMcursor
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39 {
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40 PhCursorDef_t *ph_cursor ;
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41 };
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42
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43 void ph_FreeWMCursor(_THIS, WMcursor *cursor)
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44 {
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45 if (window != NULL)
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46 {
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47 SDL_Lock_EventThread();
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48
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49 if (PtSetResource(window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_INHERIT, 0) < 0)
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50 {
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51 /* TODO: output error msg */
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52 }
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53
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54 SDL_Unlock_EventThread();
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55 }
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56
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57 free(cursor);
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58 }
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59
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60 WMcursor *ph_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
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61 {
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62 WMcursor* cursor;
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63 int clen, i;
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64 unsigned char bit, databit, maskbit;
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65
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66 /* Allocate and initialize the cursor memory */
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67 if ((cursor = (WMcursor*)malloc(sizeof(WMcursor))) == NULL)
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68 {
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69 SDL_OutOfMemory();
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70 return(NULL);
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71 }
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72 memset(cursor,0,sizeof(WMcursor));
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73
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74 cursor->ph_cursor = (PhCursorDef_t *) malloc(sizeof(PhCursorDef_t) + 32*4*2);
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75
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76 if (cursor->ph_cursor == NULL)
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77 {
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78 SDL_SetError("ph_CreateWMCursor(): cursor malloc failed !\n");
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79 return NULL;
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80 }
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81
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82 memset(cursor->ph_cursor,0,(sizeof(PhCursorDef_t) + 32*4*2));
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83
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84 cursor->ph_cursor->hdr.type =Ph_RDATA_CURSOR;
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85 cursor->ph_cursor->size1.x = (short)w;
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86 cursor->ph_cursor->size1.y = (short)h;
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87 cursor->ph_cursor->offset1.x = (short)hot_x;
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88 cursor->ph_cursor->offset1.y = (short)hot_y;
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89 cursor->ph_cursor->bytesperline1 = (char)w/8;
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90 cursor->ph_cursor->color1 = Pg_WHITE;
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91 cursor->ph_cursor->size2.x = (short)w;
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92 cursor->ph_cursor->size2.y = (short)h;
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93 cursor->ph_cursor->offset2.x = (short)hot_x;
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94 cursor->ph_cursor->offset2.y = (short)hot_y;
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95 cursor->ph_cursor->bytesperline2 = (char)w/8;
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96 cursor->ph_cursor->color2 = Pg_BLACK;
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97
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98 clen = (w/8)*h;
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99
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100 /* Copy the mask and the data to different bitmap planes */
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101 for (i=0; i<clen; ++i)
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102 {
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103 for (bit = 0; bit < 8; bit++)
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104 {
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105 databit = data[i] & (1 << bit);
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106 maskbit = mask[i] & (1 << bit);
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107
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108 cursor->ph_cursor->images[i] |= (databit == 0) ? maskbit : 0;
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109 /* If the databit != 0, treat it as a black pixel and
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110 * ignore the maskbit (can't do an inverted color) */
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111 cursor->ph_cursor->images[i+clen] |= databit;
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112 }
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113 }
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114
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115 /* #bytes following the hdr struct */
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116 cursor->ph_cursor->hdr.len =sizeof(PhCursorDef_t) + clen*2 - sizeof(PhRegionDataHdr_t);
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117
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118 return (cursor);
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119 }
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120
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121 PhCursorDef_t ph_GetWMPhCursor(WMcursor *cursor)
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122 {
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123 return (*cursor->ph_cursor);
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124 }
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125
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126 int ph_ShowWMCursor(_THIS, WMcursor* cursor)
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127 {
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128 PtArg_t args[3];
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129 int nargs = 0;
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130
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131 /* Don't do anything if the display is gone */
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132 if (window == NULL)
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133 {
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134 return (0);
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135 }
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136
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137 /* looks like photon can't draw mouse cursor in direct mode */
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138 if ((this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
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139 {
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140 /* disable the fake mouse in the fullscreen OpenGL mode */
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
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141 if ((this->screen->flags & SDL_OPENGL) == SDL_OPENGL)
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Sam Lantinga <slouken@libsdl.org>
parents: 663
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142 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
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143 cursor=NULL;
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
144 }
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
145 else
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Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
146 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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parents: 663
diff changeset
147 return (0);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
148 }
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
149 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
150
663
8bedd6d61642 Date: Sat, 2 Aug 2003 16:22:51 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 571
diff changeset
151 /* Set the photon cursor, or blank if cursor is NULL */
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
152 if (cursor!=NULL)
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Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
153 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
154 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
155 /* Could set next to any PgColor_t value */
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
156 PtSetArg(&args[1], Pt_ARG_CURSOR_COLOR, Ph_CURSOR_DEFAULT_COLOR , 0);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
157 PtSetArg(&args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor, (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t)));
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diff changeset
158 nargs = 3;
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159 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
160 else /* Ph_CURSOR_NONE */
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Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
161 {
663
8bedd6d61642 Date: Sat, 2 Aug 2003 16:22:51 +0300
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parents: 571
diff changeset
162 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0);
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
163 nargs = 1;
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Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
164 }
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Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
165
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
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166 SDL_Lock_EventThread();
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
167
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
168 if (PtSetResources(window, nargs, args) < 0 )
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
169 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
170 return (0);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
171 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
172
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
173 SDL_Unlock_EventThread();
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
174
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
175 return (1);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
176 }
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parents:
diff changeset
177
701
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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parents: 663
diff changeset
178
0
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
179 void ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
180 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
181 short abs_x, abs_y;
283
3d8b6b9f1e18 Date: Mon, 18 Feb 2002 16:46:59 +1200
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
182
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
183 SDL_Lock_EventThread();
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
184 PtGetAbsPosition( window, &abs_x, &abs_y );
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
185 PhMoveCursorAbs( PhInputGroup(NULL), x + abs_x, y + abs_y );
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
186 SDL_Unlock_EventThread();
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
187 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
188
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
189
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
190 void ph_CheckMouseMode(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
191 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
192 /* If the mouse is hidden and input is grabbed, we use relative mode */
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
193 if ( !(SDL_cursorstate & CURSOR_VISIBLE) && (this->input_grab != SDL_GRAB_OFF))
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
194 {
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
195 mouse_relative = 1;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
196 }
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
197 else
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
198 {
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
199 mouse_relative = 0;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
200 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
201 }
701
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
202
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
203
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
204 void ph_UpdateMouse(_THIS)
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
205 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
206 PhCursorInfo_t phcursor;
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
207 short abs_x;
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
208 short abs_y;
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
209
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
210 /* Lock the event thread, in multi-threading environments */
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
211 SDL_Lock_EventThread();
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
212
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
213 /* synchronizing photon mouse cursor position and SDL mouse position, if cursor appears over window. */
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
214 PtGetAbsPosition(window, &abs_x, &abs_y);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
215 PhQueryCursor(PhInputGroup(NULL), &phcursor);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
216 if (((phcursor.pos.x >= abs_x) && (phcursor.pos.x <= abs_x + this->screen->w)) &&
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
217 ((phcursor.pos.y >= abs_y) && (phcursor.pos.y <= abs_y + this->screen->h)))
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
218 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
219 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
220 SDL_PrivateMouseMotion(0, 0, phcursor.pos.x-abs_x, phcursor.pos.y-abs_y);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
221 }
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
222 else
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
223 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
224 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
225 }
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
226
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
227 /* Unlock the event thread, in multi-threading environments */
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
228 SDL_Unlock_EventThread();
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
229 }