WINGs/Examples/puzzle.c

   1
   2
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <WINGs/WINGs.h>
   7
   8
   9
  10 #define MAX_SIZE        10*10
  11
  12
  13 WMWindow *win;
  14 WMButton *Button[MAX_SIZE];
  15 char Map[MAX_SIZE];
  16 int Size = 4;
  17 int MoveCount;
  18
  19 #define MAP(x,y)  Map[(x)+(y)*Size]
  20
  21 int WinSize = 120;
  22
  23
  24 Bool CheckWin(void)
  25 {
  26     int i;
  27
  28     for (i = 0; i < Size*Size-1; i++) {
  29         if (Map[i] != i)
  30             return False;
  31     }
  32
  33     return True;
  34 }
  35
  36
  37 void MoveButton(int button, int x, int y)
  38 {
  39     WMMoveWidget(Button[button], x*(WinSize/Size), y*(WinSize/Size));
  40 }
  41
  42
  43 Bool SlideButton(int button)
  44 {
  45     int x, y, done = 0;
  46
  47     /* locate the button */
  48     for (y = 0; y < Size; y++) {
  49         for (x = 0; x < Size; x++) {
  50             if (MAP(x,y) == button) {
  51                 done = 1;
  52                 break;
  53             }
  54         }
  55         if (done)
  56             break;
  57     }
  58
  59     if (x > 0 && MAP(x-1, y) < 0) {
  60         MAP(x,y) = -1;
  61         MoveButton(button, x-1, y);
  62         MAP(x-1,y) = button;
  63     } else if (x < Size-1 && MAP(x+1, y) < 0) {
  64         MAP(x,y) = -1;
  65         MoveButton(button, x+1, y);
  66         MAP(x+1,y) = button;
  67     } else if (y > 0 && MAP(x, y-1) < 0) {
  68         MAP(x,y) = -1;
  69         MoveButton(button, x, y-1);
  70         MAP(x,y-1) = button;
  71     } else if (y < Size-1 && MAP(x, y+1) < 0) {
  72         MAP(x,y) = -1;
  73         MoveButton(button, x, y+1);
  74         MAP(x,y+1) = button;
  75     } else {
  76         return False;
  77     }
  78     return True;
  79 }
  80
  81
  82 #define SWAP(a,b) {int tmp; tmp=a; a=b; b=tmp;}
  83
  84 void ResetGame(void)
  85 {
  86     int i, x, y, ox, oy;
  87
  88
  89     MoveCount = 0;
  90
  91     for (i = 0; i < Size*Size-1; i++) {
  92         Map[i] = i;
  93     }
  94     Map[i] = -1;
  95     ox = x = Size-1;
  96     oy = y = Size-1;
  97     for (i = 0; i < 1000; i++) {
  98         int ok;
  99         ok = 1;
 100         switch (rand()%4) {
 101          case 0:
 102             if (x > 0) x--; else ok = 0;
 103             break;
 104          case 2:
 105             if (x < Size-1) x++; else ok = 0;
 106             break;
 107          case 1:
 108             if (y > 0) y--; else ok = 0;
 109             break;
 110          case 3:
 111             if (y < Size-1) y++; else ok = 0;
 112             break;
 113         }
 114         if (ok) {
 115             MoveButton(MAP(x,y), ox, oy);
 116
 117             SWAP(MAP(ox, oy), MAP(x, y));
 118
 119             while (XPending(WMScreenDisplay(WMWidgetScreen(win)))) {
 120                 XEvent ev;
 121                 WMNextEvent(WMScreenDisplay(WMWidgetScreen(win)), &ev);
 122                 WMHandleEvent(&ev);
 123             }
 124             ox = x;
 125             oy = y;
 126         }
 127     }
 128 }
 129
 130
 131 void buttonClick(WMWidget *w, void *ptr)
 132 {
 133     char buffer[300];
 134
 135     if (SlideButton((int)ptr)) {
 136         MoveCount++;
 137
 138         if (CheckWin()) {
 139             sprintf(buffer, "You finished the game in %i moves.", MoveCount);
 140
 141             if (WMRunAlertPanel(WMWidgetScreen(w), win, "You Won!", buffer,
 142                                 "Wee!", "Gah! Lemme retry!", NULL) == WAPRDefault) {
 143                 exit(0);
 144             }
 145
 146             ResetGame();
 147         }
 148     }
 149 }
 150
 151
 152 static void resizeObserver(void *self, WMNotification *notif)
 153 {
 154     WMSize size = WMGetViewSize(WMWidgetView(win));
 155     int x, y;
 156
 157     WinSize = size.width;
 158     for (y = 0; y < Size; y++) {
 159         for (x = 0; x < Size; x++) {
 160             if (MAP(x,y) >= 0) {
 161                 WMResizeWidget(Button[(int)MAP(x,y)],
 162                                WinSize/Size, WinSize/Size);
 163                 WMMoveWidget(Button[(int)MAP(x,y)],
 164                              x*(WinSize/Size), y*(WinSize/Size));
 165             }
 166         }
 167     }
 168
 169 }
 170
 171
 172 int main(int argc, char **argv)
 173 {
 174     Display *dpy;
 175     WMScreen *scr;
 176     int x, y, i;
 177
 178     WMInitializeApplication("Puzzle", &argc, argv);
 179
 180
 181     dpy = XOpenDisplay("");
 182     if (!dpy) {
 183         printf("could not open display\n");
 184         exit(1);
 185     }
 186
 187     scr = WMCreateScreen(dpy, DefaultScreen(dpy));
 188
 189     win = WMCreateWindow(scr, "puzzle");
 190     WMResizeWidget(win, WinSize, WinSize);
 191     WMSetWindowTitle(win, "zuPzel");
 192     WMSetWindowMinSize(win, 80, 80);
 193     WMSetWindowAspectRatio(win, 2, 2, 2, 2);
 194     WMSetWindowResizeIncrements(win, Size, Size);
 195     WMSetViewNotifySizeChanges(WMWidgetView(win), True);
 196     WMAddNotificationObserver(resizeObserver, NULL,
 197                               WMViewSizeDidChangeNotification,
 198                               WMWidgetView(win));
 199
 200
 201
 202     for (i = y = 0; y < Size && i < Size*Size-1; y++) {
 203         for (x = 0; x < Size && i < Size*Size-1; x++) {
 204             char buf[32];
 205             WMColor *color;
 206             RColor col;
 207             RHSVColor hsv;
 208
 209             hsv.hue = i*360/(Size*Size-1);
 210             hsv.saturation = 120;
 211             hsv.value = 200;
 212
 213             RHSVtoRGB(&hsv, &col);
 214
 215             color = WMCreateRGBColor(scr, col.red<<8, col.green<<8,
 216                                      col.blue<<8, False);
 217
 218             MAP(x,y) = i;
 219             Button[i] = WMCreateButton(win, WBTMomentaryLight);
 220             WMSetWidgetBackgroundColor(Button[i], color);
 221             WMReleaseColor(color);
 222             WMSetButtonAction(Button[i], buttonClick, (void*)i);
 223             WMResizeWidget(Button[i], WinSize/Size, WinSize/Size);
 224             WMMoveWidget(Button[i], x*(WinSize/Size), y*(WinSize/Size));
 225             sprintf(buf, "%i", i+1);
 226             WMSetButtonText(Button[i], buf);
 227             WMSetButtonTextAlignment(Button[i], WACenter);
 228             i++;
 229         }
 230     }
 231
 232     WMMapSubwidgets(win);
 233     WMMapWidget(win);
 234     WMRealizeWidget(win);
 235
 236     ResetGame();
 237
 238     WMScreenMainLoop(scr);
 239
 240     return 0;
 241 }