tabbed

tab interface for application supporting Xembed
git clone git://git.suckless.org/tabbed
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commit dabf6a25ab01107fc1e0464ee6a3e369d1626f97
parent b5f9ec647aae2d9a1d3bd586eb7523a4e0a329a3
Author: mikau <mikau@aaathats3as.com>
Date:   Tue, 12 May 2020 17:09:01 +0200

Fixed crash when window height was less or equal to bar height

When resizing, the embedded client is being resized to (height = wh - bh),
which is (<= 0) if (wh <= bh). This generates a BadValue Error leading to a
crash.  This patch fixes that by hiding the tab bar if the window height is too
small, and also sets a min_height WM hint to prevent that situation from
happening in the first place.

Diffstat:
Mtabbed.c | 18++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/tabbed.c b/tabbed.c @@ -152,7 +152,7 @@ static void (*handler[LASTEvent]) (const XEvent *) = { [MapRequest] = maprequest, [PropertyNotify] = propertynotify, }; -static int bh, wx, wy, ww, wh; +static int bh, obh, wx, wy, ww, wh; static unsigned int numlockmask; static Bool running = True, nextfocus, doinitspawn = True, fillagain = False, closelastclient = False, @@ -256,6 +256,15 @@ configurenotify(const XEvent *e) XFreePixmap(dpy, dc.drawable); dc.drawable = XCreatePixmap(dpy, root, ww, wh, DefaultDepth(dpy, screen)); + + if (!obh && (wh <= bh)) { + obh = bh; + bh = 0; + } else if (!bh && (wh > obh)) { + bh = obh; + obh = 0; + } + if (sel > -1) resize(sel, ww, wh - bh); XSync(dpy, False); @@ -872,7 +881,7 @@ resize(int c, int w, int h) XWindowChanges wc; ce.x = 0; - ce.y = bh; + ce.y = wc.y = bh; ce.width = wc.width = w; ce.height = wc.height = h; ce.type = ConfigureNotify; @@ -883,7 +892,7 @@ resize(int c, int w, int h) ce.override_redirect = False; ce.border_width = 0; - XConfigureWindow(dpy, clients[c]->win, CWWidth | CWHeight, &wc); + XConfigureWindow(dpy, clients[c]->win, CWY | CWWidth | CWHeight, &wc); XSendEvent(dpy, clients[c]->win, False, StructureNotifyMask, (XEvent *)&ce); } @@ -1046,9 +1055,10 @@ setup(void) size_hint = XAllocSizeHints(); if (!isfixed) { - size_hint->flags = PSize; + size_hint->flags = PSize | PMinSize; size_hint->height = wh; size_hint->width = ww; + size_hint->min_height = bh + 1; } else { size_hint->flags = PMaxSize | PMinSize; size_hint->min_width = size_hint->max_width = ww;