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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5098 | clevermous | 1 | /* |
| 2 | * Demonstration program for Nano-X graphics. |
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| 3 | */ |
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| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 7 | #define MWINCLUDECOLORS |
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| 8 | #include |
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| 9 | #include |
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| 10 | #include |
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| 11 | #include "ui.h" |
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| 12 | |||
| 13 | static GR_WINDOW_ID w1; /* id for large window */ |
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| 14 | static GR_GC_ID gc1; /* graphics context for text */ |
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| 15 | |||
| 16 | void errorcatcher(); /* routine to handle errors */ |
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| 17 | |||
| 18 | void tkSwapBuffers(void) |
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| 19 | { |
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| 20 | nglXSwapBuffers(w1); |
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| 21 | } |
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| 22 | |||
| 23 | int |
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| 24 | ui_loop(int argc,char **argv, const char *name) |
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| 25 | { |
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| 26 | GR_EVENT event; /* current event */ |
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| 27 | GR_IMAGE_ID id = 0; |
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| 28 | NGLXContext cx; |
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| 29 | int width, height, k; |
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| 30 | |||
| 31 | if (GrOpen() < 0) { |
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| 32 | fprintf(stderr, "cannot open graphics\n"); |
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| 33 | exit(1); |
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| 34 | } |
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| 35 | |||
| 36 | width = 400; |
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| 37 | height = 300; |
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| 38 | |||
| 39 | GrSetErrorHandler(errorcatcher); |
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| 40 | |||
| 41 | w1 = GrNewWindow(GR_ROOT_WINDOW_ID, 10, 10, width, height, 4, BLACK, WHITE); |
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| 42 | |||
| 43 | GrSelectEvents(w1, GR_EVENT_MASK_CLOSE_REQ|GR_EVENT_MASK_EXPOSURE|GR_EVENT_MASK_KEY_DOWN); |
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| 44 | |||
| 45 | GrMapWindow(w1); |
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| 46 | |||
| 47 | gc1 = GrNewGC(); |
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| 48 | |||
| 49 | GrSetGCForeground(gc1, WHITE); |
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| 50 | |||
| 51 | cx = nglXCreateContext(NULL, 0); |
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| 52 | nglXMakeCurrent(w1, cx); |
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| 53 | |||
| 54 | init(); |
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| 55 | reshape(width, height); |
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| 56 | |||
| 57 | while (1) { |
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| 58 | GrCheckNextEvent(&event); |
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| 59 | switch(event.type) { |
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| 60 | case GR_EVENT_TYPE_CLOSE_REQ: |
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| 61 | GrFreeImage(id); |
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| 62 | GrClose(); |
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| 63 | exit(0); |
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| 64 | case GR_EVENT_TYPE_EXPOSURE: |
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| 65 | break; |
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| 66 | case GR_EVENT_TYPE_KEY_DOWN: |
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| 67 | { |
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| 68 | GR_EVENT_KEYSTROKE *kp = &event.keystroke; |
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| 69 | /* XXX: nanoX special keys are totally bugged ! */ |
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| 70 | switch(kp->ch) { |
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| 71 | case 81: |
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| 72 | k = KEY_LEFT; |
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| 73 | break; |
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| 74 | case 83: |
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| 75 | k = KEY_RIGHT; |
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| 76 | break; |
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| 77 | case 82: |
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| 78 | k = KEY_UP; |
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| 79 | break; |
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| 80 | case 84: |
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| 81 | k = KEY_DOWN; |
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| 82 | break; |
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| 83 | default: |
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| 84 | k = kp->ch; |
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| 85 | break; |
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| 86 | } |
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| 87 | key(k, 0); |
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| 88 | } |
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| 89 | break; |
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| 90 | default: |
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| 91 | idle(); |
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| 92 | break; |
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| 93 | } |
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| 94 | } |
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| 95 | |||
| 96 | return 0; |
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| 97 | } |
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| 98 | |||
| 99 | |||
| 100 | /* |
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| 101 | * Here on an unrecoverable error. |
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| 102 | */ |
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| 103 | void |
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| 104 | errorcatcher(code, name, id) |
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| 105 | GR_ERROR code; /* error code */ |
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| 106 | GR_FUNC_NAME name; /* function name which failed */ |
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| 107 | GR_ID id; /* resource id */ |
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| 108 | { |
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| 109 | GrClose(); |
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| 110 | fprintf(stderr, "DEMO ERROR: code %d, function %s, resource id %d\n", |
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| 111 | code, name, id); |
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| 112 | exit(1); |
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| 113 | } |