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annotate src/video/gem/SDL_gemwm.c @ 2025:7312feb88dad

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Allow grabing mouse by locking its position
author Patrice Mandin <patmandin@gmail.com>
date Tue, 12 Sep 2006 19:47:40 +0000
parents c121d94672cb
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) 1997-2006 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 /*
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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
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44 GEM_SetCaption(_THIS, const char *title, const char *icon)
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45 {
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46 if (title) {
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47 GEM_title_name = title;
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48 GEM_refresh_name = SDL_TRUE;
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49 }
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50
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51 if (icon) {
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52 GEM_icon_name = icon;
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53 GEM_refresh_name = SDL_TRUE;
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54 }
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55 }
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56
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57 void
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58 GEM_SetIcon(_THIS, SDL_Surface * icon, Uint8 * mask)
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59 {
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60 SDL_Surface *sicon;
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61 SDL_Rect bounds;
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62
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63 #if 0
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64 if ((GEM_wfeatures & (1 << WF_ICONIFY)) == 0) {
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65 return;
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66 }
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67 #endif
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68
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69 if (icon == NULL) {
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70 return;
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71 }
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72
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73 /* Convert icon to the screen format */
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74 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
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75 VDI_bpp, VDI_redmask, VDI_greenmask,
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76 VDI_bluemask, 0);
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77 if (sicon == NULL) {
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78 return;
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79 }
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80
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81 bounds.x = 0;
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82 bounds.y = 0;
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83 bounds.w = icon->w;
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84 bounds.h = icon->h;
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85 if (SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0) {
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86 SDL_FreeSurface(sicon);
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87 return;
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88 }
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89
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90 GEM_icon = sicon;
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91 }
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92
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93 int
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94 GEM_IconifyWindow(_THIS)
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95 {
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96 if ((GEM_wfeatures & (1 << WF_ICONIFY)) == 0)
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97 return 0;
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98
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99 GEM_message[0] = WM_ICONIFY;
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100 GEM_message[1] = gl_apid;
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101 GEM_message[2] = 0;
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102 GEM_message[3] = GEM_handle;
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103 GEM_message[4] = 0;
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104 GEM_message[5] = GEM_desk_h - ICONHEIGHT;
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105 GEM_message[6] = ICONWIDTH;
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106 GEM_message[7] = ICONHEIGHT;
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107
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108 appl_write(gl_apid, sizeof(GEM_message), GEM_message);
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109
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110 return 1;
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111 }
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112
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113 SDL_GrabMode
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114 GEM_GrabInput(_THIS, SDL_GrabMode mode)
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115 {
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116 if (this->screen == NULL) {
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117 return SDL_GRAB_OFF;
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118 }
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119
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120 return mode;
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121 }
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123 /* vi: set ts=4 sw=4 expandtab: */