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author | Connor Lane Smith <cls@lubutu.com> | 2011-10-26 12:14:50 +0100 |
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committer | Connor Lane Smith <cls@lubutu.com> | 2011-10-26 12:14:50 +0100 |
commit | dd29c5d48084ae0f61a43bfbd5119fb480d83fb7 (patch) | |
tree | 1c34491d695698c42bc94424ffdbfcb3bd326fab | |
parent | 70b3418e3e44a562cec860033d2a3bbf640f3084 (diff) | |
download | dmenu-dd29c5d48084ae0f61a43bfbd5119fb480d83fb7.tar.gz dmenu-dd29c5d48084ae0f61a43bfbd5119fb480d83fb7.tar.bz2 dmenu-dd29c5d48084ae0f61a43bfbd5119fb480d83fb7.zip |
input focus: calculate areas of intersection
-rw-r--r-- | dmenu.c | 34 |
1 files changed, 22 insertions, 12 deletions
@@ -13,9 +13,10 @@ #endif #include "draw.h" -#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh)) -#define MIN(a,b) ((a) < (b) ? (a) : (b)) -#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \ + * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org))) +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#define MAX(a,b) ((a) > (b) ? (a) : (b)) typedef struct Item Item; struct Item { @@ -513,19 +514,28 @@ setup(void) { mh = (lines + 1) * bh; #ifdef XINERAMA if((info = XineramaQueryScreens(dc->dpy, &n))) { - int i, di; + int a, j, di, i = 0, area = 0; unsigned int du; - Window w, dw; + Window w, pw, dw, *dws; XWindowAttributes wa; XGetInputFocus(dc->dpy, &w, &di); - if(w != root && w != PointerRoot && w != None && XGetWindowAttributes(dc->dpy, w, &wa)) - XTranslateCoordinates(dc->dpy, w, root, wa.x, wa.y, &x, &y, &dw); - else - XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du); - for(i = 0; i < n-1; i++) - if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) - break; + if(w != root && w != PointerRoot && w != None) { + do { + if(XQueryTree(dc->dpy, (pw = w), &dw, &w, &dws, &du) && dws) + XFree(dws); + } while(w != root && w != pw); + if(XGetWindowAttributes(dc->dpy, pw, &wa)) + for(j = 0; j < n; j++) + if((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { + area = a; + i = j; + } + } + if(!area && XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) + for(i = 0; i < n; i++) + if(INTERSECT(x, y, 1, 1, info[i])) + break; x = info[i].x_org; y = info[i].y_org + (topbar ? 0 : info[i].height - mh); mw = info[i].width; |