int ggiKbhit(ggi_visual_t vis) { struct timeval t={0,0}; return (giiEventPoll(vis->input, emKeyPress | emKeyRepeat, &t) != emZero); }
int main(int argc, const char *argv[]) { ggi_visual_t vis; ggi_mode mode; int i, j, cx, cy, c; char buf[80]; /* Set up the random number generator */ srandom((unsigned)time(NULL)); /* Initialize LibGGI */ if (giiInit() < 0) { fprintf(stderr, "Cannot initialize LibGII!\n"); return 1; } if (ggiInit() < 0) { fprintf(stderr, "Cannot initialize LibGGI!\n"); giiExit(); return 1; } vis = ggNewStem(NULL); if (!vis) { fprintf(stderr, "Cannot open create stem!\n"); ggiExit(); giiExit(); return 1; } if (giiAttach(vis) < 0) { fprintf(stderr, "Cannot attach LibGII!\n"); ggDelStem(vis); ggiExit(); giiExit(); return 1; } if (ggiAttach(vis) < 0) { fprintf(stderr, "Cannot attach LibGGI!\n"); ggDelStem(vis); ggiExit(); giiExit(); return 1; } /* Open default visual */ if (ggiOpen(vis, NULL) < 0) { fprintf(stderr, "Cannot open default visual!\n"); ggDelStem(vis); ggiExit(); giiExit(); return 1; } /* Set visual to async mode (drawing not immediate) */ ggiSetFlags(vis, GGIFLAG_ASYNC); /* Set default mode, but with multiple buffering */ if (argc > 1) { ggiParseMode(argv[1], &mode); } else { ggiParseMode("", &mode); if (mode.frames < 2) mode.frames = 2; } if (ggiSetMode(vis, &mode)) { fprintf(stderr, "Cannot set mode!\n"); ggDelStem(vis); ggiExit(); giiExit(); return 1; } ggiGetCharSize(vis, &cx, &cy); /* Setup palette */ if (GT_SCHEME(mode.graphtype) == GT_PALETTE) { ggiSetColorfulPalette(vis); } /* Write something into each frame */ for (i = 0; i < mode.frames; i++) { if (ggiSetWriteFrame(vis, i)) { fprintf(stderr, "Cannot set write frame!\n"); ggDelStem(vis); ggiExit(); giiExit(); return 1; } ggiSetGCBackground(vis, ggiMapColor(vis, &white)); ggiSetGCForeground(vis, ggiMapColor(vis, &white)); ggiFillscreen(vis); } /* Clip a small border so that clipping can be verified. */ ggiSetGCClipping(vis, 5, 5, mode.virt.x - 5, mode.virt.y - 5); /* Write something into each frame */ for (i = 0; i < mode.frames; i++) { ggiSetWriteFrame(vis, i); ggiSetGCBackground(vis, ggiMapColor(vis, &black)); ggiSetGCForeground(vis, ggiMapColor(vis, &black)); ggiFillscreen(vis); snprintf(buf, sizeof(buf), "Hello World #%d!", i); for (j = 0; j < mode.virt.y; j += cy) { ggi_color col; int x = random() % mode.virt.x; int h = (random() & 0x7fff) + 0x8000; int l = (random() & 0x7fff); /* Use different colors for different frames */ col.r = ((i + 1) & 1) ? h : l; col.g = ((i + 1) & 2) ? h : l; col.b = ((i + 1) & 4) ? h : l; ggiSetGCForeground(vis, ggiMapColor(vis, &col)); ggiPuts(vis, x, j, buf); } /* Flush commands before proceeding to the next frame */ ggiFlush(vis); } /* Cycle through frames */ i = 0; j = 0; do { if (ggiSetDisplayFrame(vis, i)) { ggPanic("Cannot set display frame!\n"); } /* Wait */ c = GIIK_VOID; do { struct timeval tv = { 0, 0 }; int key; /* Flush command before waiting for input */ ggiFlush(vis); key = giiEventPoll(vis, emKeyPress, &tv); if (key & emKeyPress) c = giiGetc(vis); ggUSleep(50000); animate(vis, &mode, j); j++; } while (c == GIIK_VOID || GII_KTYP(c) == GII_KT_MOD); i = (i + 1) % mode.frames; } while (c != 'q' && c != 'Q' && c != 'x' && c != 'X' && c != GIIUC_Escape); ggiClose(vis); ggDelStem(vis); ggiExit(); giiExit(); return 0; }
gii_event_mask ggiEventPoll(ggi_visual *vis, gii_event_mask mask, struct timeval *t) { return giiEventPoll(vis->input, mask, t); }
int do_menu(struct menu * m , int selected) { /* select a menu item by either a number or with arrow keys */ int i; int evmask; gii_event ev; struct timeval t= {0,0}; int oldselection = selected; draw_window(&m->w); if (m->toptext != NULL) { ggiSetGCForeground(m->w.vis, ggiMapColor(m->w.vis,&m->toptextcolor)); /* FIXME*/ ggiPuts(m->w.vis, m->w.xorigin+m->toptextx, m->w.yorigin+m->toptexty, m->toptext); } if (m->bottomtext != NULL) { ggiSetGCForeground(m->w.vis, ggiMapColor(m->w.vis,&m->bottomtextcolor)); /* FIXME*/ ggiPuts(m->w.vis, m->w.xorigin+m->bottomtextx, m->w.yorigin+m->bottomtexty, m->bottomtext); } for (i = 0; i<=m->lastentry; i++) { if (i!=selected) { ggiSetGCForeground(m->w.vis, ggiMapColor(m->w.vis,&m->entrycolor)); ggiSetGCBackground(m->w.vis, ggiMapColor(m->w.vis,&m->w.backgroundcolor)); } else { ggiSetGCForeground(m->w.vis, ggiMapColor(m->w.vis,&m->selectedcolor)); ggiSetGCBackground(m->w.vis, ggiMapColor(m->w.vis, &m->selectedbackgroundcolor)); } ggiPuts( m->w.vis, m->w.xorigin + m->entry[i].x, m->w.yorigin + m->entry[i].y, m->entry[i].text); } for (;;) { /* if we are in asynchronous mode, we must guarantee */ /* the user sees he's next. */ ggiFlush(m->w.vis); /* get a keypress */ evmask = emKey; giiEventPoll(m->w.vis, evmask, NULL); while (giiEventPoll(m->w.vis, evmask,&t)) { do { giiEventRead(m->w.vis,&ev, evmask); } while (!((1<<ev.any.type)&evmask)); switch(ev.any.type) { case evKeyPress: case evKeyRepeat: switch(ev.key.sym) { case '1': selected = 0; break; case '2': selected = 1; break; case '3': selected = 2; break; case '4': selected = 3; break; case '5': selected = 4; break; case '6': selected = 5; break; case '7': selected = 6; break; case '8': selected = 7; break; case '9': selected = 8; break; case GIIK_Up: selected--; break; case GIIK_Down: selected++; break; case GIIK_Enter: ggiFlush(m->w.vis); /* just to make sure */ return (selected); break; /* never get here */ case GIIUC_Escape: ggiFlush(m->w.vis); /* just to make sure */ return (-1); default: /*printf("unknown sym=%4x code=%4x\n", ev.key.sym, ev.key.code);*/ break; } default: /*printf("can't handle this event yet.\n");*/ break; } } ggiSetGCForeground(m->w.vis, ggiMapColor(m->w.vis,&m->entrycolor)); ggiSetGCBackground(m->w.vis, ggiMapColor(m->w.vis,&m->w.backgroundcolor)); ggiPuts( m->w.vis, m->w.xorigin+m->entry[oldselection].x, m->w.yorigin+m->entry[oldselection].y, m->entry[oldselection].text); if (selected<0) selected = 0; if (selected > m->lastentry) selected = m->lastentry; ggiSetGCForeground(m->w.vis, ggiMapColor(m->w.vis,&m->selectedcolor)); ggiSetGCBackground(m->w.vis, ggiMapColor(m->w.vis, &m->selectedbackgroundcolor)); ggiPuts( m->w.vis, m->w.xorigin + m->entry[selected].x, m->w.yorigin + m->entry[selected].y, m->entry[selected].text); oldselection = selected; } }