WINGs/Examples/puzzle.c

   1
   2
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <WINGs/WINGs.h>
   7 #include <stdint.h>
   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
  25 CheckWin(void)
  26 {
  27     int i;
  28
  29     for (i = 0; i < Size*Size-1; i++) {
  30         if (Map[i] != i)
  31             return False;
  32     }
  33
  34     return True;
  35 }
  36
  37
  38 void
  39 MoveButton(int button, int x, int y)
  40 {
  41     WMMoveWidget(Button[button], x*(WinSize/Size), y*(WinSize/Size));
  42 }
  43
  44
  45 Bool
  46 SlideButton(int button)
  47 {
  48     int x=0, y=0, done = 0;
  49
  50     /* locate the button */
  51     for (y = 0; y < Size; y++) {
  52         for (x = 0; x < Size; x++) {
  53             if (MAP(x,y) == button) {
  54                 done = 1;
  55                 break;
  56             }
  57         }
  58         if (done)
  59             break;
  60     }
  61
  62     if (x > 0 && MAP(x-1, y) < 0) {
  63         MAP(x,y) = -1;
  64         MoveButton(button, x-1, y);
  65         MAP(x-1,y) = button;
  66     } else if (x < Size-1 && MAP(x+1, y) < 0) {
  67         MAP(x,y) = -1;
  68         MoveButton(button, x+1, y);
  69         MAP(x+1,y) = button;
  70     } else if (y > 0 && MAP(x, y-1) < 0) {
  71         MAP(x,y) = -1;
  72         MoveButton(button, x, y-1);
  73         MAP(x,y-1) = button;
  74     } else if (y < Size-1 && MAP(x, y+1) < 0) {
  75         MAP(x,y) = -1;
  76         MoveButton(button, x, y+1);
  77         MAP(x,y+1) = button;
  78     } else {
  79         return False;
  80     }
  81     return True;
  82 }
  83
  84
  85 #define SWAP(a,b) {int tmp; tmp=a; a=b; b=tmp;}
  86
  87 void ResetGame(void)
  88 {
  89     int i, x, y, ox, oy;
  90
  91
  92     MoveCount = 0;
  93
  94     for (i = 0; i < Size*Size-1; i++) {
  95         Map[i] = i;
  96     }
  97     Map[i] = -1;
  98     ox = x = Size-1;
  99     oy = y = Size-1;
 100     for (i = 0; i < 1000; i++) {
 101         int ok;
 102         ok = 1;
 103         switch (rand()%4) {
 104         case 0:
 105             if (x > 0) x--; else ok = 0;
 106             break;
 107         case 2:
 108             if (x < Size-1) x++; else ok = 0;
 109             break;
 110         case 1:
 111             if (y > 0) y--; else ok = 0;
 112             break;
 113         case 3:
 114             if (y < Size-1) y++; else ok = 0;
 115             break;
 116         }
 117         if (ok) {
 118             MoveButton(MAP(x,y), ox, oy);
 119
 120             SWAP(MAP(ox, oy), MAP(x, y));
 121
 122             while (XPending(WMScreenDisplay(WMWidgetScreen(win)))) {
 123                 XEvent ev;
 124                 WMNextEvent(WMScreenDisplay(WMWidgetScreen(win)), &ev);
 125                 WMHandleEvent(&ev);
 126             }
 127             ox = x;
 128             oy = y;
 129         }
 130     }
 131 }
 132
 133
 134 void buttonClick(WMWidget *w, void *ptr)
 135 {
 136     char buffer[300];
 137
 138     if (SlideButton((int)(uintptr_t)ptr)) {
 139         MoveCount++;
 140
 141         if (CheckWin()) {
 142             sprintf(buffer, "You finished the game in %i moves.", MoveCount);
 143
 144             if (WMRunAlertPanel(WMWidgetScreen(w), win, "You Won!", buffer,
 145                                 "Wee!", "Gah! Lemme retry!", NULL) == WAPRDefault) {
 146                 exit(0);
 147             }
 148
 149             ResetGame();
 150         }
 151     }
 152 }
 153
 154
 155 static void resizeObserver(void *self, WMNotification *notif)
 156 {
 157     WMSize size = WMGetViewSize(WMWidgetView(win));
 158     int x, y;
 159
 160     WinSize = size.width;
 161     for (y = 0; y < Size; y++) {
 162         for (x = 0; x < Size; x++) {
 163             if (MAP(x,y) >= 0) {
 164                 WMResizeWidget(Button[(int)MAP(x,y)],
 165                                WinSize/Size, WinSize/Size);
 166                 WMMoveWidget(Button[(int)MAP(x,y)],
 167                              x*(WinSize/Size), y*(WinSize/Size));
 168             }
 169         }
 170     }
 171
 172 }
 173
 174
 175 int main(int argc, char **argv)
 176 {
 177     Display *dpy;
 178     WMScreen *scr;
 179     int x, y, i;
 180
 181     WMInitializeApplication("Puzzle", &argc, argv);
 182
 183
 184     dpy = XOpenDisplay("");
 185     if (!dpy) {
 186         printf("could not open display\n");
 187         exit(1);
 188     }
 189
 190     scr = WMCreateScreen(dpy, DefaultScreen(dpy));
 191
 192     win = WMCreateWindow(scr, "puzzle");
 193     WMResizeWidget(win, WinSize, WinSize);
 194     WMSetWindowTitle(win, "zuPzel");
 195     WMSetWindowMinSize(win, 80, 80);
 196     WMSetWindowAspectRatio(win, 2, 2, 2, 2);
 197     WMSetWindowResizeIncrements(win, Size, Size);
 198     WMSetViewNotifySizeChanges(WMWidgetView(win), True);
 199     WMAddNotificationObserver(resizeObserver, NULL,
 200                               WMViewSizeDidChangeNotification,
 201                               WMWidgetView(win));
 202
 203
 204
 205     for (i = y = 0; y < Size && i < Size*Size-1; y++) {
 206         for (x = 0; x < Size && i < Size*Size-1; x++) {
 207             char buf[32];
 208             WMColor *color;
 209             RColor col;
 210             RHSVColor hsv;
 211
 212             hsv.hue = i*360/(Size*Size-1);
 213             hsv.saturation = 120;
 214             hsv.value = 200;
 215
 216             RHSVtoRGB(&hsv, &col);
 217
 218             color = WMCreateRGBColor(scr, col.red<<8, col.green<<8,
 219                                      col.blue<<8, False);
 220
 221             MAP(x,y) = i;
 222             Button[i] = WMCreateButton(win, WBTMomentaryLight);
 223             WMSetWidgetBackgroundColor(Button[i], color);
 224             WMReleaseColor(color);
 225             WMSetButtonAction(Button[i], buttonClick, (void*)(uintptr_t)i);
 226             WMResizeWidget(Button[i], WinSize/Size, WinSize/Size);
 227             WMMoveWidget(Button[i], x*(WinSize/Size), y*(WinSize/Size));
 228             sprintf(buf, "%i", i+1);
 229             WMSetButtonText(Button[i], buf);
 230             WMSetButtonTextAlignment(Button[i], WACenter);
 231             i++;
 232         }
 233     }
 234
 235     WMMapSubwidgets(win);
 236     WMMapWidget(win);
 237     WMRealizeWidget(win);
 238
 239     ResetGame();
 240
 241     WMScreenMainLoop(scr);
 242
 243     return 0;
 244 }
 245