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annotate src/video/photon/SDL_ph_mouse.c @ 4070:b8f2db95145e SDL-1.2

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Patch from Christian Walther Yes, the idea to use a cursor rectangle instead of [NSCursor set] has occurred to me too, and it does seem to be the most elegant way. Here's my attempt at an implementation
author Sam Lantinga <slouken@libsdl.org>
date Sun, 15 Jul 2007 15:58:00 +0000
parents d910939febfa
children e49147870aac c121d94672cb a1b03ba2fcd0
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 #include "SDL_mouse.h"
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25 #include "../../events/SDL_events_c.h"
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26 #include "../SDL_cursor_c.h"
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27 #include "SDL_ph_mouse_c.h"
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28
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29 struct WMcursor
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30 {
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31 PhCursorDef_t *ph_cursor ;
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32 };
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33
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34 void ph_FreeWMCursor(_THIS, WMcursor *cursor)
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35 {
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36 if (window != NULL)
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37 {
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38 SDL_Lock_EventThread();
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39
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40 if (PtSetResource(window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_INHERIT, 0) < 0)
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41 {
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42 /* TODO: output error msg */
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43 }
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44
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45 SDL_Unlock_EventThread();
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46 }
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47
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48 SDL_free(cursor);
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49 }
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50
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51 WMcursor *ph_CreateWMCursor(_THIS, Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
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52 {
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53 WMcursor* cursor;
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54 int clen, i;
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55 unsigned char bit, databit, maskbit;
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56
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57 /* Allocate and initialize the cursor memory */
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58 if ((cursor = (WMcursor*)SDL_malloc(sizeof(WMcursor))) == NULL)
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59 {
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60 SDL_OutOfMemory();
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61 return(NULL);
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62 }
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63 SDL_memset(cursor,0,sizeof(WMcursor));
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64
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65 cursor->ph_cursor = (PhCursorDef_t *) SDL_malloc(sizeof(PhCursorDef_t) + 32*4*2);
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66
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67 if (cursor->ph_cursor == NULL)
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68 {
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69 SDL_SetError("ph_CreateWMCursor(): cursor malloc failed !\n");
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70 return NULL;
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71 }
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72
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73 SDL_memset(cursor->ph_cursor,0,(sizeof(PhCursorDef_t) + 32*4*2));
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74
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75 cursor->ph_cursor->hdr.type =Ph_RDATA_CURSOR;
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76 cursor->ph_cursor->size1.x = (short)w;
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77 cursor->ph_cursor->size1.y = (short)h;
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78 cursor->ph_cursor->offset1.x = (short)hot_x;
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79 cursor->ph_cursor->offset1.y = (short)hot_y;
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80 cursor->ph_cursor->bytesperline1 = (char)w/8;
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81 cursor->ph_cursor->color1 = Pg_WHITE;
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82 cursor->ph_cursor->size2.x = (short)w;
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83 cursor->ph_cursor->size2.y = (short)h;
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84 cursor->ph_cursor->offset2.x = (short)hot_x;
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85 cursor->ph_cursor->offset2.y = (short)hot_y;
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86 cursor->ph_cursor->bytesperline2 = (char)w/8;
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87 cursor->ph_cursor->color2 = Pg_BLACK;
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88
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89 clen = (w/8)*h;
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90
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91 /* Copy the mask and the data to different bitmap planes */
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92 for (i=0; i<clen; ++i)
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93 {
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94 for (bit = 0; bit < 8; bit++)
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95 {
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96 databit = data[i] & (1 << bit);
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97 maskbit = mask[i] & (1 << bit);
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98
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99 cursor->ph_cursor->images[i] |= (databit == 0) ? maskbit : 0;
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100 /* If the databit != 0, treat it as a black pixel and
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101 * ignore the maskbit (can't do an inverted color) */
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102 cursor->ph_cursor->images[i+clen] |= databit;
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103 }
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104 }
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105
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106 /* #bytes following the hdr struct */
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107 cursor->ph_cursor->hdr.len =sizeof(PhCursorDef_t) + clen*2 - sizeof(PhRegionDataHdr_t);
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108
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109 return (cursor);
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110 }
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111
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112 PhCursorDef_t ph_GetWMPhCursor(WMcursor *cursor)
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113 {
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114 return (*cursor->ph_cursor);
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115 }
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116
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117 int ph_ShowWMCursor(_THIS, WMcursor* cursor)
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118 {
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119 PtArg_t args[3];
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120 int nargs = 0;
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121
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122 /* Don't do anything if the display is gone */
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123 if (window == NULL)
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124 {
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125 return (0);
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126 }
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127
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128 /* looks like photon can't draw mouse cursor in direct mode */
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129 if ((this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
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130 {
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131 /* disable the fake mouse in the fullscreen OpenGL mode */
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132 if ((this->screen->flags & SDL_OPENGL) == SDL_OPENGL)
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133 {
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134 cursor=NULL;
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parents: 663
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135 }
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Sam Lantinga <slouken@libsdl.org>
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136 else
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137 {
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138 return (0);
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139 }
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
140 }
0
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parents:
diff changeset
141
663
8bedd6d61642 Date: Sat, 2 Aug 2003 16:22:51 +0300
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142 /* Set the photon cursor, or blank if cursor is NULL */
571
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143 if (cursor!=NULL)
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144 {
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145 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0);
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146 /* Could set next to any PgColor_t value */
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147 PtSetArg(&args[1], Pt_ARG_CURSOR_COLOR, Ph_CURSOR_DEFAULT_COLOR , 0);
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148 PtSetArg(&args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor, (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t)));
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149 nargs = 3;
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150 }
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151 else /* Ph_CURSOR_NONE */
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152 {
663
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153 PtSetArg(&args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0);
571
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154 nargs = 1;
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155 }
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156
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157 SDL_Lock_EventThread();
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158
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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159 if (PtSetResources(window, nargs, args) < 0 )
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160 {
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diff changeset
161 return (0);
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diff changeset
162 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
163
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Sam Lantinga <slouken@libsdl.org>
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164 SDL_Unlock_EventThread();
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
165
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166 return (1);
0
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parents:
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167 }
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parents:
diff changeset
168
701
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169
0
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170 void ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
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parents:
diff changeset
171 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
172 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
173
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
174 SDL_Lock_EventThread();
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
175 PtGetAbsPosition( window, &abs_x, &abs_y );
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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176 PhMoveCursorAbs( PhInputGroup(NULL), x + abs_x, y + abs_y );
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diff changeset
177 SDL_Unlock_EventThread();
0
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diff changeset
178 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
179
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
180
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parents:
diff changeset
181 void ph_CheckMouseMode(_THIS)
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parents:
diff changeset
182 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
183 /* If the mouse is hidden and input is grabbed, we use relative mode */
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
184 if ( !(SDL_cursorstate & CURSOR_VISIBLE) && (this->input_grab != SDL_GRAB_OFF))
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diff changeset
185 {
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
186 mouse_relative = 1;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
187 }
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
188 else
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
189 {
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
190 mouse_relative = 0;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
191 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
192 }
701
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
193
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
194
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diff changeset
195 void ph_UpdateMouse(_THIS)
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
196 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
197 PhCursorInfo_t phcursor;
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
198 short abs_x;
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
199 short abs_y;
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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parents: 663
diff changeset
200
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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diff changeset
201 /* Lock the event thread, in multi-threading environments */
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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parents: 663
diff changeset
202 SDL_Lock_EventThread();
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
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parents: 663
diff changeset
204 /* synchronizing photon mouse cursor position and SDL mouse position, if cursor appears over window. */
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Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
205 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
206 PhQueryCursor(PhInputGroup(NULL), &phcursor);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
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parents: 663
diff changeset
207 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
208 ((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
209 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
210 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
211 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
212 }
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
213 else
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
214 {
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
215 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
216 }
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
217
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
218 /* 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
219 SDL_Unlock_EventThread();
aaf3b8af6616 Date: Sat, 30 Aug 2003 16:28:10 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 663
diff changeset
220 }