fix(games): size windows to content with edge border; add Games to app-context menu

overlay/rootfs/usr/bin/sxmo_appmenu.sh

@@ -244,6 +244,8 @@ $icon_inf Version^0^sxmo_terminal.sh sxmo_version.sh --block"
                 WINNAME="${RES%%"$nl"*}"
                 CHOICES="${RES#*"$nl"}"
             fi
+            CHOICES="$CHOICES
+$icon_gam Games^0^sxmo_appmenu.sh games"
             ;;
 	esac
 

src/games/snake.cpp

@@ -22,8 +22,8 @@
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 
-static const int WIN_W = 239;
+static const int WIN_W = 220;
-static const int WIN_H = 295;
+static const int WIN_H = 268;
 static const int COLS = 24;
 static const int ROWS = 28;
 
@@ -112,8 +112,8 @@ static unsigned long now_ms() {
 }
 
 static void compute_grid() {
-  int m = 4;
+  int m = 2;
-  int topH = 16; // reserved status strip for SCORE/BEST
+  int topH = 14; // reserved status strip for SCORE/BEST
   int aw = winW - 2 * m;
   int ah = winH - topH - m;
   cell = aw / COLS;

src/games/tetris.cpp

@@ -23,8 +23,8 @@
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 
-static const int WIN_W = 239;
+static const int WIN_W = 224;
-static const int WIN_H = 295;
+static const int WIN_H = 292;
 static const int PCOLS = 10;
 static const int PROWS = 20;
 static const int CELL = 14;
@@ -255,10 +255,10 @@ static void render() {
   XSetForeground(dpy, gc, C_BG);
   XFillRectangle(dpy, back, gc, 0, 0, winW, winH);
 
-  // playfield border (single clean frame around the well)
+  // single border framing the whole game (playfield + side panel) at the
+  // window edges, so it is visible on all four sides including right/bottom
   XSetForeground(dpy, gc, C_DIM);
-  XDrawRectangle(dpy, back, gc, px0 - 1, py0 - 1, PCOLS * CELL + 2, PROWS * CELL + 2);
+  XDrawRectangle(dpy, back, gc, 2, 2, winW - 4, winH - 4);
-
   // settled blocks
   for (int x = 0; x < PCOLS; x++)
     for (int y = 0; y < PROWS; y++)