VgaGames4 - dialog man-pages

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vg4->dialog->exit()

Open a canvas-dialog to confirm exiting game.

SYNTAX
VG_BOOL vg4->dialog->exit(const char *cvasdir, const struct VG_Position *posdst, struct VG_Hash *hvar)

FUNCTION PARAMETERS
cvasdir Directory to load canvasses from, or NULL = use system-canvasses
posdst Canvas-position on window, or NULL = centered
hvar Hash with variable-values (see vg4->canvas->load())

RETURN VALUE
Returns boolean: - VG_TRUE: Yes, exit game - VG_FALSE: No, don't exit

DESCRIPTION
Open a canvas-dialog to confirm exiting game. This function uses following canvas-file (installed below share/vgagames4/canvas/) - exit.top.cvas: Top-canvas The parameter hvar should contain following variables - key: top:title value: title of top-canvas If own canvas-files shall be used instead of the system-canvas-files, they must lay in cvasdir or cvasdir/exit/ and have the same names as the system-canvas-files: - exit.top.cvas - uses canvas-items: - [CV-TEXT] with name title: text for title - [CV-BUTTON] with name yes: for confirming to exit game - [CV-BUTTON] as a cancel-button - uses variables: - key: title value: title of canvas

EXAMPLE
  struct VG_Hash *hvar;

  hvar = vg4->hash->create();

  /* set variables */
  vg4->hash->setstr(hvar, "top:title", "Quit game?");

  /* execute dialog */
  if (vg4->dialog->exit(NULL, NULL, hvar)) {
    printf("Yes, exit game\n");
  } else {
    printf("No, don't exit game\n");
  }

  vg4->hash->destroy(hvar);