0
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com
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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 PhCursorDef_t *ph_cursor ;
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40 };
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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
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46 if ( window != NULL ) {
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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 //free(cursor->ph_cursor.images);
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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,
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61 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
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62 {
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63 WMcursor* cursor;
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64 int clen, i;
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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 if(cursor->ph_cursor == NULL)
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76 printf("cursor malloc failed\n");
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77
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78 memset(cursor->ph_cursor,0,(sizeof(PhCursorDef_t) + 32*4*2));
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79
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80 cursor->ph_cursor->hdr.type =Ph_RDATA_CURSOR;
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81 cursor->ph_cursor->size1.x = (short)w;
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82 cursor->ph_cursor->size1.y = (short)h;
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83 cursor->ph_cursor->offset1.x = (short)hot_x;
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84 cursor->ph_cursor->offset1.y = (short)hot_y;
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85 cursor->ph_cursor->bytesperline1 = (char)w/8;
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86 cursor->ph_cursor->color1 = Pg_WHITE;
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87 cursor->ph_cursor->size2.x = (short)w;
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88 cursor->ph_cursor->size2.y = (short)h;
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89 cursor->ph_cursor->offset2.x = (short)hot_x;
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90 cursor->ph_cursor->offset2.y = (short)hot_y;
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91 cursor->ph_cursor->bytesperline2 = (char)w/8;
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92 cursor->ph_cursor->color2 = Pg_BLACK;
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93
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94 clen = (w/8)*h;
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95
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96 /* Copy the mask and the data to different
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97 bitmap planes */
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98 for ( i=0; i<clen; ++i ) {
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99 cursor->ph_cursor->images[i] = data[i];
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100 cursor->ph_cursor->images[i+clen] = mask[i];
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101 }
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102
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103 //#bytes following the hdr struct
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104 cursor->ph_cursor->hdr.len =sizeof(PhCursorDef_t) + clen*2 - sizeof(PhRegionDataHdr_t);
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105
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106 return (cursor);
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107 }
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108
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109
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110 PhCursorDef_t ph_GetWMPhCursor(WMcursor *cursor)
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111 {
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112
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113 return(*cursor->ph_cursor);
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114 }
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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 short cursor_is_defined = 0;
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122
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123
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124
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125 /* Don't do anything if the display is gone */
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126 if ( window == NULL ) {
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127 return(0);
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128 }
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129
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130 /* Set the photon cursor cursor, or blank if cursor is NULL */
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131 if ( window ) {
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132
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133 if ( cursor != NULL ) {
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134 PtSetArg( &args[0], Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0 );
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135 // Could set next to any PgColor_t value
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136 PtSetArg( &args[1], Pt_ARG_CURSOR_COLOR,Ph_CURSOR_DEFAULT_COLOR , 0 );
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137 PtSetArg( &args[2], Pt_ARG_BITMAP_CURSOR, cursor->ph_cursor, (cursor->ph_cursor->hdr.len + sizeof(PhRegionDataHdr_t)) );
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138 nargs = 3;
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139 cursor_is_defined = 1;
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140 }
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141 else // Ph_CURSOR_NONE
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142 {
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143 PtSetArg( &args[0], Pt_ARG_CURSOR_TYPE,Ph_CURSOR_NONE, 0);
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144 nargs = 1;
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145 cursor_is_defined = 1;
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146 }
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147 if (cursor_is_defined)
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148 {
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149 SDL_Lock_EventThread();
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150
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151 if (PtSetResources( window, nargs, args ) < 0 )
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152 {
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153 return(0);
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154 }
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155
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156 SDL_Unlock_EventThread();
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157 }
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158 else
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159 return(0);
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160 }
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161 return(1);
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162 }
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163
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164 void ph_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
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165 {
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166
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167 SDL_Lock_EventThread();
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168 PhMoveCursorRel( PhInputGroup(NULL), x, y );
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169 SDL_Unlock_EventThread();
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170 }
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171
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172
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173 void ph_CheckMouseMode(_THIS)
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174 {
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175
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176 mouse_relative = 1;
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177 }
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