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annotate src/video/quartz/SDL_QuartzWM.m @ 216:e2a10730ae94

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Fail if setting a video mode when requesting GL and can't get it.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 25 Oct 2001 06:22:38 +0000
parents e92aa316c517
children e8157fcb3114
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, 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 struct WMcursor {
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24 Cursor curs;
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25 };
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26
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27 static void QZ_FreeWMCursor (_THIS, WMcursor *cursor) {
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28
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29 if ( cursor != NULL )
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30 free (cursor);
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31 }
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32
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33 /* Use the Carbon cursor routines for now */
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34 static WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
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35 int w, int h, int hot_x, int hot_y) {
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36 WMcursor *cursor;
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37 int row, bytes;
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38
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39 /* Allocate the cursor memory */
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40 cursor = (WMcursor *)malloc(sizeof(WMcursor));
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41 if ( cursor == NULL ) {
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42 SDL_OutOfMemory();
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43 return(NULL);
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44 }
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45 memset(cursor, 0, sizeof(*cursor));
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46
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47 if (w > 16)
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48 w = 16;
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49
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50 if (h > 16)
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51 h = 16;
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52
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53 bytes = (w+7)/8;
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54
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55 for ( row=0; row<h; ++row ) {
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56 memcpy(&cursor->curs.data[row], data, bytes);
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57 data += bytes;
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58 }
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59 for ( row=0; row<h; ++row ) {
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60 memcpy(&cursor->curs.mask[row], mask, bytes);
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61 mask += bytes;
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62 }
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63 cursor->curs.hotSpot.h = hot_x;
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64 cursor->curs.hotSpot.v = hot_y;
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65
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66 return(cursor);
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67 }
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68
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69 static int QZ_cursor_visible = 1;
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70
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71 static int QZ_ShowWMCursor (_THIS, WMcursor *cursor) {
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72
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73 if ( cursor == NULL) {
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74 if ( QZ_cursor_visible ) {
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75 HideCursor ();
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76 QZ_cursor_visible = 0;
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77 }
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78 }
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79 else {
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80 SetCursor(&cursor->curs);
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81 if ( ! QZ_cursor_visible ) {
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82 ShowCursor ();
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83 QZ_cursor_visible = 1;
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84 }
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85 }
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86
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87 return 1;
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88 }
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89
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90 static void QZ_PrivateWarpCursor (_THIS, int fullscreen, int h, int x, int y) {
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91
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92 CGPoint p;
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93
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94 /* We require absolute screen coordiates for our warp */
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95 p.x = x;
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96 p.y = h - y;
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97
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98 if ( fullscreen )
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99 /* Already absolute coordinates */
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100 CGDisplayMoveCursorToPoint(display_id, p);
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101 else {
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102 /* Convert to absolute screen coordinates */
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103 NSPoint base, screen;
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104 base = NSMakePoint (p.x, p.y);
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105 screen = [ qz_window convertBaseToScreen:base ];
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106 p.x = screen.x;
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107 p.y = device_height - screen.y;
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108 CGDisplayMoveCursorToPoint (display_id, p);
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109 }
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110 }
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111
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112 static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y) {
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113
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114 /* Only allow warping when in foreground */
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115 if ( ! inForeground )
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116 return;
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117
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118 /* Do the actual warp */
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119 QZ_PrivateWarpCursor (this, SDL_VideoSurface->flags & SDL_FULLSCREEN,
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120 SDL_VideoSurface->h, x, y);
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121
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122 /* Generate mouse moved event */
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123 SDL_PrivateMouseMotion (SDL_RELEASED, 0, x, y);
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124 }
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125
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126 static void QZ_MoveWMCursor (_THIS, int x, int y) { }
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127 static void QZ_CheckMouseMode (_THIS) { }
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128
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129 static void QZ_SetCaption (_THIS, const char *title, const char *icon) {
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130
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131 if ( qz_window != nil ) {
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132 NSString *string;
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133 if ( title != NULL ) {
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134 string = [ [ NSString alloc ] initWithCString:title ];
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135 [ qz_window setTitle:string ];
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136 [ string release ];
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137 }
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138 if ( icon != NULL ) {
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139 string = [ [ NSString alloc ] initWithCString:icon ];
158
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140 [ qz_window setMiniwindowTitle:string ];
58
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141 [ string release ];
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142 }
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143 }
47
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144 }
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145
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146 static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask) {
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147 /* Convert icon/mask to NSImage, assign with NSWindow's setMiniwindowImage method */
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148 }
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149
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150 static int QZ_IconifyWindow (_THIS) {
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151
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152 /* Bug! minimize erases the framebuffer */
158
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153 if ( ! [ qz_window isMiniaturized ] ) {
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154 [ qz_window miniaturize:nil ];
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155 return 1;
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156 }
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157 else {
158
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158 SDL_SetError ("qz_window already iconified");
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159 return 0;
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160 }
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161 }
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162
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163 /*
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164 static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info) {
158
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165 info->nsWindowPtr = qz_window;
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166 return 0;
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167 }*/
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168
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169 static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode) {
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170
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171 switch (grab_mode) {
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172 case SDL_GRAB_QUERY:
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173 break;
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174 case SDL_GRAB_OFF:
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175 CGAssociateMouseAndMouseCursorPosition (1);
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176 currentGrabMode = SDL_GRAB_OFF;
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177 break;
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178 case SDL_GRAB_ON:
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179 QZ_WarpWMCursor (this, SDL_VideoSurface->w / 2, SDL_VideoSurface->h / 2);
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180 CGAssociateMouseAndMouseCursorPosition (0);
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181 currentGrabMode = SDL_GRAB_ON;
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182 break;
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183 case SDL_GRAB_FULLSCREEN:
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184 break;
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185 }
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186
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187 return currentGrabMode;
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188 }