Mercurial > sdl-ios-xcode

annotate src/video/gem/SDL_gemwm.c @ 4383:daf9e6037596 SDL-1.2

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Gregory Smith Another one for the "How did this ever work?" file: when DX5_HandleMessage is called with WM_ACTIVATEAPP, it goes past the end of the 2-element SDL_DIdev array and if there doesn't happen to be a 0 in the memory next to it, crashes. Patch against SVN attached.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 15 Nov 2009 17:21:24 +0000
parents a1b03ba2fcd0
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 /*
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25 GEM SDL video driver
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26 Window manager functions
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27
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28 Patrice Mandin
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29 */
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30
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31 /* Mint includes */
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32 #include <gem.h>
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33
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34 #include "SDL_gemwm_c.h"
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35
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36 /* Defines */
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37
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38 #define ICONWIDTH 64
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39 #define ICONHEIGHT 64
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40
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41 /* Functions */
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42
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43 void GEM_SetCaption(_THIS, const char *title, const char *icon)
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44 {
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45 if (title) {
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46 GEM_title_name = title;
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47 GEM_refresh_name = SDL_TRUE;
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48 }
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49
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50 if (icon) {
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51 GEM_icon_name = icon;
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52 GEM_refresh_name = SDL_TRUE;
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53 }
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54 }
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55
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56 void GEM_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
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57 {
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58 SDL_Surface *sicon;
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59 SDL_Rect bounds;
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60
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61 #if 0
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62 if ((GEM_wfeatures & (1<<WF_ICONIFY))==0) {
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63 return;
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64 }
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65 #endif
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66
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67 if (icon == NULL) {
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68 return;
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69 }
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70
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71 /* Convert icon to the screen format */
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72 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
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73 VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, 0);
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74 if ( sicon == NULL ) {
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75 return;
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76 }
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77
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78 bounds.x = 0;
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79 bounds.y = 0;
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80 bounds.w = icon->w;
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81 bounds.h = icon->h;
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82 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) {
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83 SDL_FreeSurface(sicon);
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84 return;
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85 }
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86
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87 GEM_icon = sicon;
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88 }
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89
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90 int GEM_IconifyWindow(_THIS)
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91 {
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92 if ((GEM_wfeatures & (1<<WF_ICONIFY))==0)
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93 return 0;
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94
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95 GEM_message[0] = WM_ICONIFY;
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96 GEM_message[1] = gl_apid;
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97 GEM_message[2] = 0;
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98 GEM_message[3] = GEM_handle;
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99 GEM_message[4] = 0;
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100 GEM_message[5] = GEM_desk_h-ICONHEIGHT;
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101 GEM_message[6] = ICONWIDTH;
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102 GEM_message[7] = ICONHEIGHT;
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103
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104 appl_write(gl_apid, sizeof(GEM_message), GEM_message);
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105
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106 return 1;
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107 }
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108
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109 SDL_GrabMode GEM_GrabInput(_THIS, SDL_GrabMode mode)
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110 {
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111 if (this->screen == NULL) {
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112 return SDL_GRAB_OFF;
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113 }
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114
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115 return mode;
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116 }