packages/services/gfx/mw/v2_0/src/demos/nanox/demo2.c

   1 #define MWINCLUDECOLORS
   2 #include <stdio.h>
   3 #include "nano-X.h"
   4
   5 #include <signal.h>
   6
   7 int
   8 main(int ac,char **av)
   9 {
  10         GR_WINDOW_ID    w, w2;
  11         GR_GC_ID        gc;
  12         GR_EVENT        event;
  13         GR_WM_PROPERTIES props;
  14
  15         if (GrOpen() < 0) {
  16                 printf("Can't open graphics\n");
  17                 exit(1);
  18         }
  19
  20         /* pass errors through main loop*/
  21         GrSetErrorHandler(NULL);
  22
  23 #define WIDTH   320
  24 #define HEIGHT  240
  25         w = GrNewWindow(GR_ROOT_WINDOW_ID, 20, 20, WIDTH, HEIGHT,
  26                 0, GREEN, BLACK);
  27
  28         w2 = GrNewWindow(w, 20, 20, 40, 40, 0, WHITE, BLACK);
  29
  30         props.flags = GR_WM_FLAGS_PROPS | GR_WM_FLAGS_TITLE;
  31         props.props = GR_WM_PROPS_NOBACKGROUND;
  32         props.title = "Nano-X Demo2";
  33         GrSetWMProperties(w, &props);
  34
  35         gc = GrNewGC();
  36
  37         GrSelectEvents(w, GR_EVENT_MASK_EXPOSURE | GR_EVENT_MASK_CLOSE_REQ
  38                 | GR_EVENT_MASK_BUTTON_DOWN
  39                 | GR_EVENT_MASK_KEY_DOWN | GR_EVENT_MASK_KEY_UP);
  40         GrMapWindow(w);
  41         GrSetFocus(w);
  42         /* serious bug here: when wm running, w2 is mapped anyway!!*/
  43         /*GrMapWindow(w2);*/
  44
  45         for (;;) {
  46                 /*GR_EVENT_KEYSTROKE *kev;*/
  47
  48                 GrGetNextEvent(&event);
  49                 switch (event.type) {
  50                 case GR_EVENT_TYPE_EXPOSURE:
  51                         GrSetGCForeground(gc,GrGetSysColor(GR_COLOR_APPWINDOW));
  52                         GrFillRect(w, gc, event.exposure.x, event.exposure.y,
  53                                 event.exposure.width, event.exposure.height);
  54                         GrSetGCForeground(gc, GrGetSysColor(GR_COLOR_APPTEXT));
  55                         GrSetGCUseBackground(gc, GR_FALSE);
  56                         GrText(w, gc, 10, 30, "Hello World", -1, GR_TFASCII);
  57 GrRect(w, gc, 5, 5, 300, 60);
  58                         break;
  59                 case GR_EVENT_TYPE_CLOSE_REQ:
  60                         GrClose();
  61                         exit(0);
  62                         break;
  63                 case GR_EVENT_TYPE_ERROR:
  64                         printf("\7demo2: Error (%s) ", event.error.name);
  65                         printf(nxErrorStrings[event.error.code],event.error.id);
  66                         break;
  67 #if 0
  68                 case GR_EVENT_TYPE_BUTTON_DOWN:
  69                         /* test server error on bad syscall*/
  70                         GrMapWindow(w2);
  71                         GrMoveWindow(GR_ROOT_WINDOW_ID, 0, 0);
  72                         { GR_SCREEN_INFO sinfo; GrGetScreenInfo(&sinfo); }
  73                         break;
  74 #endif
  75 #if 0
  76                 case GR_EVENT_TYPE_KEY_DOWN:
  77                         kev = (GR_EVENT_KEYSTROKE *)&event;
  78                         printf("DOWN %d (%04x) %04x\n",
  79                                 kev->ch, kev->ch, kev->modifiers);
  80                         break;
  81                 case GR_EVENT_TYPE_KEY_UP:
  82                         kev = (GR_EVENT_KEYSTROKE *)&event;
  83                         printf("UP %d (%04x) %04x\n",
  84                                 kev->ch, kev->ch, kev->modifiers);
  85                         break;
  86 #endif
  87                 }
  88         }
  89
  90         GrClose();
  91         return 0;
  92 }