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annotate test/testcursor.c @ 1858:d3ac464fb3c1

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Add program to test mouse cursor change
author Patrice Mandin <patmandin@gmail.com>
date Wed, 14 Jun 2006 18:59:30 +0000
parents
children 2fce7697adca
rev   line source
1858
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3
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4 #include "SDL.h"
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5
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6 /* This is an example 16x16 cursor
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7 top left : black
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8 top right : inverted color or black
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9 bottom left: white
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10 bottom right: transparent
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11 (swap left and right for different endianness)
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12 */
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13
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14 Uint16 cursor_data[16]={
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15 0xffff,
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16 0xffff,
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17 0xffff,
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18 0xffff,
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19
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20 0xffff,
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21 0xffff,
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22 0xffff,
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23 0xffff,
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24
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25 0x0000,
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26 0x0000,
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27 0x0000,
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28 0x0000,
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29
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30 0x0000,
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31 0x0000,
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32 0x0000,
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33 0x0000
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34 };
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35
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36 Uint16 cursor_mask[16]={
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37 0xff00,
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38 0xff00,
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39 0xff00,
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40 0xff00,
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41
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42 0xff00,
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43 0xff00,
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44 0xff00,
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45 0xff00,
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46
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47 0xff00,
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48 0xff00,
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49 0xff00,
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50 0xff00,
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51
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52 0xff00,
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53 0xff00,
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54 0xff00,
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55 0xff00
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56 };
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57
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58 int main(int argc, char *argv[])
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59 {
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60 SDL_Surface *screen;
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61 SDL_bool quit = SDL_FALSE, first_time = SDL_TRUE;
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62 SDL_Cursor *cursor;
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63 SDL_Rect update_area;
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64
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65 /* Load the SDL library */
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66 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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67 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
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68 return(1);
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69 }
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70
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71 screen = SDL_SetVideoMode(320,200,8,SDL_ANYFORMAT);
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72 if (screen==NULL) {
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73 fprintf(stderr, "Couldn't initialize video mode: %s\n",SDL_GetError());
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74 return(1);
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75 }
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76
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77 update_area.x = update_area.y = 0;
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78 update_area.w = screen->w;
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79 update_area.h = screen->h;
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80
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81 SDL_FillRect(screen, NULL, 0x664422);
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82
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83 cursor = SDL_CreateCursor((Uint8 *)cursor_data, (Uint8 *)cursor_mask,
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84 16, 16, 8, 8);
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85 if (cursor==NULL) {
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86 fprintf(stderr, "Couldn't initialize cursor: %s\n",SDL_GetError());
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87 return(1);
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88 }
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89
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90 SDL_SetCursor(cursor);
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91
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92 while (!quit) {
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93 SDL_Event event;
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94 while (SDL_PollEvent(&event)) {
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95 switch(event.type) {
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96 case SDL_KEYDOWN:
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97 if (event.key.keysym.sym == SDLK_ESCAPE) {
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98 quit = SDL_TRUE;
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99 }
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100 break;
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101 case SDL_QUIT:
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102 quit = SDL_TRUE;
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103 break;
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104 }
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105 }
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106 if (screen->flags & SDL_DOUBLEBUF) {
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107 if (first_time) {
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108 SDL_UpdateRects(screen, 1, &update_area);
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109 first_time = SDL_FALSE;
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110 }
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111 } else {
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112 SDL_Flip(screen);
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113 }
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114 SDL_Delay(1);
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115 }
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116
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117 SDL_FreeCursor(cursor);
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118
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119 SDL_Quit();
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120 return(0);
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121 }