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fix(games): inset windows so dwm's native border stays on-screen

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dwm adds a borderpx (1) border around every client, so a window sized to
fill the usable area (240x296) overflowed the 240x320 screen by 2px on the
right and bottom, clipping the native window border. Offset the requested
position by the border width and shrink by 3*borderpx so the framed window
exactly meets the screen edges with the native border fully visible.
This commit is contained in:
Luxferre
2026-10-23 19:06:31 +03:00
parent 313e137d87
commit 70ef9860be
6 changed files with 16 additions and 6 deletions
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overlay/rootfs/usr/bin/snake
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overlay/rootfs/usr/bin/tetris
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prebuilt/games/usr/bin/snake
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prebuilt/games/usr/bin/tetris
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src/games/snake.cpp
+8 -3
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@@ -287,11 +287,16 @@ static void setup_window() {
screen = DefaultScreen(dpy);
int sw = DisplayWidth(dpy, screen);
int scrH = DisplayHeight(dpy, screen);
winW = sw;
winH = scrH - TOPBAR; // fill the area below the status bar
// dwm draws a `borderpx` border around every client (src/sxmo-dwm/config.h).
// Size/position the window so that, once dwm adds its border back on each
// side, the framed window exactly meets the screen edges and the native
// border stays fully visible instead of being clipped off the right/bottom.
int bw = 1; // must match dwm borderpx
winW = sw - 3 * bw;
winH = (scrH - TOPBAR) - 3 * bw; // room for the status bar + border
if (winW < 96) winW = 96;
if (winH < 96) winH = 96;
win = XCreateWindow(dpy, RootWindow(dpy, screen), 0, 0, winW, winH, 0,
win = XCreateWindow(dpy, RootWindow(dpy, screen), bw, TOPBAR + bw, winW, winH, 0,
CopyFromParent, InputOutput, CopyFromParent, 0, nullptr);
XStoreName(dpy, win, "Snake");
XClassHint* ch = XAllocClassHint();
src/games/tetris.cpp
+8 -3
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@@ -329,11 +329,16 @@ static void setup_window() {
screen = DefaultScreen(dpy);
int sw = DisplayWidth(dpy, screen);
int scrH = DisplayHeight(dpy, screen);
winW = sw;
winH = scrH - TOPBAR; // fill the area below the status bar
// dwm draws a `borderpx` border around every client (src/sxmo-dwm/config.h).
// Size/position the window so that, once dwm adds its border back on each
// side, the framed window exactly meets the screen edges and the native
// border stays fully visible instead of being clipped off the right/bottom.
int bw = 1; // must match dwm borderpx
winW = sw - 3 * bw;
winH = (scrH - TOPBAR) - 3 * bw; // room for the status bar + border
if (winW < 96) winW = 96;
if (winH < 96) winH = 96;
win = XCreateWindow(dpy, RootWindow(dpy, screen), 0, 0, winW, winH, 0,
win = XCreateWindow(dpy, RootWindow(dpy, screen), bw, TOPBAR + bw, winW, winH, 0,
CopyFromParent, InputOutput, CopyFromParent, 0, nullptr);
XStoreName(dpy, win, "Tetris");
XClassHint* ch = XAllocClassHint();