| 0,0 → 1,113 |
|---|
| /* |
| * Demonstration program for Nano-X graphics. |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #define MWINCLUDECOLORS |
| #include <microwin/nano-X.h> |
| #include <GL/gl.h> |
| #include <GL/nglx.h> |
| #include "ui.h" |
| |
| static GR_WINDOW_ID w1; /* id for large window */ |
| static GR_GC_ID gc1; /* graphics context for text */ |
| |
| void errorcatcher(); /* routine to handle errors */ |
| |
| void tkSwapBuffers(void) |
| { |
| nglXSwapBuffers(w1); |
| } |
| |
| int |
| ui_loop(int argc,char **argv, const char *name) |
| { |
| GR_EVENT event; /* current event */ |
| GR_IMAGE_ID id = 0; |
| NGLXContext cx; |
| int width, height, k; |
| |
| if (GrOpen() < 0) { |
| fprintf(stderr, "cannot open graphics\n"); |
| exit(1); |
| } |
| |
| width = 400; |
| height = 300; |
| |
| GrSetErrorHandler(errorcatcher); |
| |
| w1 = GrNewWindow(GR_ROOT_WINDOW_ID, 10, 10, width, height, 4, BLACK, WHITE); |
| |
| GrSelectEvents(w1, GR_EVENT_MASK_CLOSE_REQ|GR_EVENT_MASK_EXPOSURE|GR_EVENT_MASK_KEY_DOWN); |
| |
| GrMapWindow(w1); |
| |
| gc1 = GrNewGC(); |
| |
| GrSetGCForeground(gc1, WHITE); |
| |
| cx = nglXCreateContext(NULL, 0); |
| nglXMakeCurrent(w1, cx); |
| |
| init(); |
| reshape(width, height); |
| |
| while (1) { |
| GrCheckNextEvent(&event); |
| switch(event.type) { |
| case GR_EVENT_TYPE_CLOSE_REQ: |
| GrFreeImage(id); |
| GrClose(); |
| exit(0); |
| case GR_EVENT_TYPE_EXPOSURE: |
| break; |
| case GR_EVENT_TYPE_KEY_DOWN: |
| { |
| GR_EVENT_KEYSTROKE *kp = &event.keystroke; |
| /* XXX: nanoX special keys are totally bugged ! */ |
| switch(kp->ch) { |
| case 81: |
| k = KEY_LEFT; |
| break; |
| case 83: |
| k = KEY_RIGHT; |
| break; |
| case 82: |
| k = KEY_UP; |
| break; |
| case 84: |
| k = KEY_DOWN; |
| break; |
| default: |
| k = kp->ch; |
| break; |
| } |
| key(k, 0); |
| } |
| break; |
| default: |
| idle(); |
| break; |
| } |
| } |
| |
| return 0; |
| } |
| |
| |
| /* |
| * Here on an unrecoverable error. |
| */ |
| void |
| errorcatcher(code, name, id) |
| GR_ERROR code; /* error code */ |
| GR_FUNC_NAME name; /* function name which failed */ |
| GR_ID id; /* resource id */ |
| { |
| GrClose(); |
| fprintf(stderr, "DEMO ERROR: code %d, function %s, resource id %d\n", |
| code, name, id); |
| exit(1); |
| } |