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Description: Avoid crash when there too many windows open to draw at least one char.
Author: Bernhard Ãbelacker <bernha...@mailbox.org> Bug-Debian: https://bugs.debian.org/887468 Forwarded: no Last-Update: 2018-08-07 --- hpanel-0.3.2.orig/hpanel.c +++ hpanel-0.3.2/hpanel.c @@ -588,7 +588,7 @@ gui_draw_task (task *tk) /* check how many chars can fit */ len = strlen (tk->name); - while (1) + while (len > 0) { XftTextExtents8 (dd, xfs, tk->name, len, &ext); if (ext.width < taskw - (text_x - x) - 2 && len > 0)
apt update apt install xserver-xorg lightdm openbox pulseaudio xterm psmisc htop mc tmux strace dpkg-dev devscripts quilt gdb valgrind systemd-coredump dh-buildinfo apt install hpanel libxft2-dbgsym libx11-6-dbgsym apt build-dep hpanel benutzer@debian:~/hpanel$ wget "https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=887468;filename=core;msg=15"; -O core directory /home/benutzer/libxft2/orig/xft-2.3.2/debian/source benutzer@debian:~/hpanel$ gdb -q /usr/bin/hpanel --core core Reading symbols from /usr/bin/hpanel...(no debugging symbols found)...done. [New LWP 136993] warning: Unexpected size of section `.reg-xstate/136993' in core file. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/bin/hpanel'. Program terminated with signal SIGSEGV, Segmentation fault. warning: Unexpected size of section `.reg-xstate/136993' in core file. #0 0x00007fa70cd1b354 in XftGlyphExtents () from /usr/lib/x86_64-linux-gnu/libXft.so.2 (gdb) bt #0 0x00007fa70cd1b354 in XftGlyphExtents () from /usr/lib/x86_64-linux-gnu/libXft.so.2 #1 0x00007fa70cd1b64c in XftTextExtents8 () from /usr/lib/x86_64-linux-gnu/libXft.so.2 #2 0x0000556790e9a2a2 in ?? () #3 0x0000556790e9aade in ?? () #4 0x0000556790e9b274 in ?? () #5 0x0000556790e99355 in main () set width 0 set height 0 set pagination off directory /home/benutzer/hpanel/orig/hpanel-0.3.2 directory /home/benutzer/libx11/orig/libx11-1.6.5/src/util directory /home/benutzer/libxft2/orig/xft-2.3.2 directory /home/benutzer/libxft2/orig/xft-2.3.2/include/X11 (gdb) bt full #0 0x00007fa70cd1b354 in XftGlyphExtents (dpy=dpy@entry=0x556791913010, pub=pub@entry=0x556791957770, glyphs=glyphs@entry=0x7ffe32446780, nglyphs=nglyphs@entry=-1, extents=extents@entry=0x7ffe32447830) at ../../src/xftextent.c:50 font = 0x556791957770 missing = {0, 1, 768, 32, 9, 2, 238, 214, 341, 2018, 10, 100, 4, 3432, 7, 13, 4096, 1864, 1738, 1610, 1735, 1763, 8, 1835, 131, 130, 1917, 342, 787, 1199, 33, 5,1001, 14, 31, 15, 1, 0, 0, 0, 1, 0, 224631424, 32679, 843342932, 32766, 222831915, 32679, 0, 0, 224632280, 32679, 843342896, 32766, 3612111240, 1, 224631424, 32679, 843342880, 32766, 201712249, 32679, 1038094023, 0, 4294967295, 0, 843343136, 32766, 211258264, 32679, 225031056, 32679, 5786813, 0, 201708696, 32679, 843343216, 0, 0, 0, 843342996, 32766, 224632280, 32679, 843343296, 32766, 0, 0, 1, 0, 0, 0, 843343336, 32766, 204502296, 32679, 8, 0, 843345876, 32766, 843345876, 32766, 2442264848, 21863, 2442211344, 21863, 1, 0, 27263005, 0, 199571703, 32679, 1, 0, 211258264, 32679, 2442211344, 21863, 1, 0, 27263000, 0, 199571703, 32679, 1, 0, 16, 0, 2442271296, 21863, 2442271296, 21863, 843345796, 32766, 224631424, 32679, 56872912, 0, 201708696, 32679, 843343472, 0, 8096, 65535, 843343252, 32766, 2833591552, 2521310727, 843343552, 32766, 2442260064, 21863, 2442211344, 21863, 2442211344, 21863, 17, 0, 1, 0, 16, 0, 2833591552, 2521310727, 2442216160, 21863, 1, 0, 27263005, 0, 2442211344, 21863, 1, 0, 27263005, 0, 2442211344, 21863, 199562427, 32679, 2442211344, 0, 1, 1, 2442211344, 21863, 2442275560, 21863, 27263004, 0, 2833591552, 2521310727, 2442463840, 21863, 2442491760, 21863, 843348000, 32766, 1632, 0...} nmissing = 36 n = <optimized out> g = 0x7ffe3244a004 glyph = <optimized out> xftg = <optimized out> glyphs_loaded = 1 x = <optimized out> y = <optimized out> left = <optimized out> right = <optimized out> top = <optimized out> bottom = <optimized out> overall_left = <optimized out> overall_right = <optimized out> overall_top = <optimized out> overall_bottom = <optimized out> #1 0x00007fa70cd1b64c in XftTextExtents8 (dpy=0x556791913010, pub=0x556791957770, string=0x5567919227b0 "", len=-1, extents=0x7ffe32447830) at ../../src/xftextent.c:139 glyphs = 0x7ffe32446780 glyphs_local = {86, 70, 90, 75, 82, 17, 71, 68, 92, 70, 68, 79, 3, 41, 85, 82, 81, 87, 3, 51, 68, 74, 72, 3, 16, 3, 48, 82, 93, 76, 79, 79, 68, 3, 41, 76, 85, 72, 73, 82, 91, 75, 88, 81, 71, 72, 85, 69, 76, 85, 71, 86, 92, 71, 17, 72, 71, 88, 17, 68, 88, 3, 16, 3, 48, 82, 93, 76, 79, 79, 68, 3, 55, 75, 88, 81, 71, 72, 85, 69, 76,85, 71, 76, 85, 71, 3, 18, 87, 80, 83, 18, 80, 83, 18, 3, 16, 3, 18, 87, 80, 83, 18, 87, 72, 71, 74, 85, 68, 87, 72, 71, 85, 68, 87, 72, 71, 76, 74, 85, 68, 87, 72, 71, 74, 85, 68, 87, 72, 71, 87, 72, 71, 71, 72, 71, 72, 71, 71, 21, 12, 90, 86, 16, 20, 21, 24, 21, 12, 0, 0, 0, 843344404, 32766, 225028128, 32679, 843344704, 32766, 0, 0, 1, 0, 768, 0, 225027272, 32679, 219396472, 32679, 219429472, 32679, 222833587, 32679, 768, 0, 219429472, 32679, 225027272, 32679, 843344600, 32766, 843344596, 32766, 219396472, 32679, 219429960, 32679, 219414904, 32679, 843344600, 32766, 430701788, 0, 6729715, 0, 219429472, 32679, 843344816, 32766, 219396472, 32679...} i = 0 #2 0x0000556790e9a2a2 in ?? () No symbol table info available. #3 0x0000556790e9aade in ?? () No symbol table info available. #4 0x0000556790e9b274 in ?? () No symbol table info available. #5 0x0000556790e99355 in main () No symbol table info available. (gdb) (gdb) bt #0 0x00007fa70cd1b354 in XftGlyphExtents (dpy=dpy@entry=0x556791913010, pub=pub@entry=0x556791957770, glyphs=glyphs@entry=0x7ffe32446780, nglyphs=nglyphs@entry=-1, extents=extents@entry=0x7ffe32447830) at ../../src/xftextent.c:50 #1 0x00007fa70cd1b64c in XftTextExtents8 (dpy=0x556791913010, pub=0x556791957770, string=0x5567919227b0 "", len=-1, extents=0x7ffe32447830) at ../../src/xftextent.c:139 #2 0x0000556790e9a2a2 in ?? () #3 0x0000556790e9aade in ?? () #4 0x0000556790e9b274 in ?? () #5 0x0000556790e99355 in main () (gdb) #0 0x00007fa70cd1b354 in XftGlyphExtents (dpy=dpy@entry=0x556791913010, pub=pub@entry=0x556791957770, glyphs=glyphs@entry=0x7ffe32446780, nglyphs=nglyphs@entry=-1, extents=extents@entry=0x7ffe32447830) at ../../src/xftextent.c:50 50 if (XftFontCheckGlyph (dpy, pub, FcFalse, *g++, missing, &nmissing)) #1 0x00007fa70cd1b64c in XftTextExtents8 (dpy=0x556791913010, pub=0x556791957770, string=0x5567919227b0 "", len=-1, extents=0x7ffe32447830) at ../../src/xftextent.c:139 139 XftGlyphExtents (dpy, pub, glyphs, len, extents); (gdb) disassemble XftGlyphExtents Dump of assembler code for function XftGlyphExtents: 0x00007fa70cd1b2f0 <+0>: push %r15 0x00007fa70cd1b2f2 <+2>: push %r14 0x00007fa70cd1b2f4 <+4>: xor %r15d,%r15d 0x00007fa70cd1b2f7 <+7>: push %r13 0x00007fa70cd1b2f9 <+9>: push %r12 0x00007fa70cd1b2fb <+11>: mov %rsi,%r12 0x00007fa70cd1b2fe <+14>: push %rbp 0x00007fa70cd1b2ff <+15>: push %rbx 0x00007fa70cd1b300 <+16>: mov %rdx,%rbp 0x00007fa70cd1b303 <+19>: sub $0x448,%rsp 0x00007fa70cd1b30a <+26>: mov %fs:0x28,%rax 0x00007fa70cd1b313 <+35>: mov %rax,0x438(%rsp) 0x00007fa70cd1b31b <+43>: xor %eax,%eax 0x00007fa70cd1b31d <+45>: mov %ecx,%eax 0x00007fa70cd1b31f <+47>: mov %rdi,(%rsp) 0x00007fa70cd1b323 <+51>: lea 0x30(%rsp),%rdi 0x00007fa70cd1b328 <+56>: lea (%rdx,%rax,4),%r14 0x00007fa70cd1b32c <+60>: lea 0x2c(%rsp),%rax 0x00007fa70cd1b331 <+65>: mov %r8,0x8(%rsp) 0x00007fa70cd1b336 <+70>: movl $0x0,0x2c(%rsp) 0x00007fa70cd1b33e <+78>: mov %rdx,0x10(%rsp) 0x00007fa70cd1b343 <+83>: mov %rdi,%rbx 0x00007fa70cd1b346 <+86>: mov %ecx,0x1c(%rsp) 0x00007fa70cd1b34a <+90>: mov %rax,%r13 0x00007fa70cd1b34d <+93>: jmp 0x7fa70cd1b376 <XftGlyphExtents+134> 0x00007fa70cd1b34f <+95>: nop 0x00007fa70cd1b350 <+96>: add $0x4,%rbp => 0x00007fa70cd1b354 <+100>: mov -0x4(%rbp),%ecx 0x00007fa70cd1b357 <+103>: mov (%rsp),%rdi 0x00007fa70cd1b35b <+107>: xor %edx,%edx (gdb) print/x $rbp $1 = 0x7ffe3244a004 (gdb) print/x $rbp - 0x4 $2 = 0x7ffe3244a000 (gdb) x/1xw 0x7ffe3244a000 0x7ffe3244a000: Cannot access memory at address 0x7ffe3244a000 (gdb) disassemble /m 0x00007fa70cd1b34d,0x00007fa70cd1b357 Dump of assembler code from 0x7fa70cd1b34d to 0x7fa70cd1b357: 49 while (n--) 0x00007fa70cd1b34d <XftGlyphExtents+93>: jmp 0x7fa70cd1b376 <XftGlyphExtents+134> 0x00007fa70cd1b34f <XftGlyphExtents+95>: nop 50 if (XftFontCheckGlyph (dpy, pub, FcFalse, *g++, missing, &nmissing)) 0x00007fa70cd1b350 <XftGlyphExtents+96>: add $0x4,%rbp => 0x00007fa70cd1b354 <XftGlyphExtents+100>: mov -0x4(%rbp),%ecx 0x00007fa70cd1b357 <XftGlyphExtents+103>: mov (%rsp),%rdi 0x00007fa70cd1b35b <XftGlyphExtents+107>: xor %edx,%edx 0x00007fa70cd1b35d <XftGlyphExtents+109>: mov %r13,%r9 0x00007fa70cd1b360 <XftGlyphExtents+112>: mov %rbx,%r8 0x00007fa70cd1b363 <XftGlyphExtents+115>: mov %r12,%rsi 0x00007fa70cd1b366 <XftGlyphExtents+118>: callq 0x7fa70cd14c80 <XftFontCheckGlyph@plt> End of assembler dump. (gdb) list XftGlyphExtents 26 XftGlyphExtents (Display *dpy, 27 XftFont *pub, 28 _Xconst FT_UInt *glyphs, 29 int nglyphs, 30 XGlyphInfo *extents) 31 { 32 XftFontInt *font = (XftFontInt *) pub; 33 FT_UInt missing[XFT_NMISSING]; 34 int nmissing; 35 int n; 36 _Xconst FT_UInt *g; 37 FT_UInt glyph; 38 XftGlyph *xftg; 39 FcBool glyphs_loaded; 40 int x, y; 41 int left, right, top, bottom; 42 int overall_left, overall_right; 43 int overall_top, overall_bottom; 44 45 g = glyphs; 46 n = nglyphs; 47 nmissing = 0; 48 glyphs_loaded = FcFalse; 49 while (n--) 50 if (XftFontCheckGlyph (dpy, pub, FcFalse, *g++, missing, &nmissing)) 51 glyphs_loaded = FcTrue; 52 if (nmissing) 53 XftFontLoadGlyphs (dpy, pub, FcFalse, missing, nmissing); 54 g = glyphs; 55 n = nglyphs; ############ ############ ############ apt install hpanel libxft2-dbgsym libx11-6-dbgsym (mkdir -p libxft2/orig; cd libxft2/orig; apt source libxft2) $ gdb -q /usr/bin/hpanel --core core (gdb) directory /home/benutzer/libxft2/orig/xft-2.3.2/debian/source (gdb) bt #0 0x00007fa70cd1b354 in XftGlyphExtents (dpy=dpy@entry=0x556791913010, pub=pub@entry=0x556791957770, glyphs=glyphs@entry=0x7ffe32446780, nglyphs=nglyphs@entry=-1, extents=extents@entry=0x7ffe32447830) at ../../src/xftextent.c:50 #1 0x00007fa70cd1b64c in XftTextExtents8 (dpy=0x556791913010, pub=0x556791957770, string=0x5567919227b0 "", len=-1, extents=0x7ffe32447830) at ../../src/xftextent.c:139 #2 0x0000556790e9a2a2 in ?? () #3 0x0000556790e9aade in ?? () #4 0x0000556790e9b274 in ?? () #5 0x0000556790e99355 in main () (gdb) Unfortunately hpanel has not yet been built for stretch or buster and has therefore no dbgsym package. (gdb) disassemble /m 0x00007fa70cd1b34d,0x00007fa70cd1b357 Dump of assembler code from 0x7fa70cd1b34d to 0x7fa70cd1b357: 49 while (n--) 0x00007fa70cd1b34d <XftGlyphExtents+93>: jmp 0x7fa70cd1b376 <XftGlyphExtents+134> 0x00007fa70cd1b34f <XftGlyphExtents+95>: nop 50 if (XftFontCheckGlyph (dpy, pub, FcFalse, *g++, missing, &nmissing)) 0x00007fa70cd1b350 <XftGlyphExtents+96>: add $0x4,%rbp => 0x00007fa70cd1b354 <XftGlyphExtents+100>: mov -0x4(%rbp),%ecx 0x00007fa70cd1b357 <XftGlyphExtents+103>: mov (%rsp),%rdi 0x00007fa70cd1b35b <XftGlyphExtents+107>: xor %edx,%edx 0x00007fa70cd1b35d <XftGlyphExtents+109>: mov %r13,%r9 0x00007fa70cd1b360 <XftGlyphExtents+112>: mov %rbx,%r8 0x00007fa70cd1b363 <XftGlyphExtents+115>: mov %r12,%rsi 0x00007fa70cd1b366 <XftGlyphExtents+118>: callq 0x7fa70cd14c80 <XftFontCheckGlyph@plt> (gdb) print/x $rbp $1 = 0x7ffe3244a004 (gdb) print/x $rbp - 0x4 $2 = 0x7ffe3244a000 (gdb) x/1xw 0x7ffe3244a000 0x7ffe3244a000: Cannot access memory at address 0x7ffe3244a000 (gdb) list XftGlyphExtents 26 XftGlyphExtents (Display *dpy, 27 XftFont *pub, 28 _Xconst FT_UInt *glyphs, 29 int nglyphs, 30 XGlyphInfo *extents) 31 { 32 XftFontInt *font = (XftFontInt *) pub; 33 FT_UInt missing[XFT_NMISSING]; 34 int nmissing; 35 int n; 36 _Xconst FT_UInt *g; 37 FT_UInt glyph; 38 XftGlyph *xftg; 39 FcBool glyphs_loaded; 40 int x, y; 41 int left, right, top, bottom; 42 int overall_left, overall_right; 43 int overall_top, overall_bottom; 44 45 g = glyphs; 46 n = nglyphs; 47 nmissing = 0; 48 glyphs_loaded = FcFalse; 49 while (n--) 50 if (XftFontCheckGlyph (dpy, pub, FcFalse, *g++, missing, &nmissing)) 51 glyphs_loaded = FcTrue; 52 if (nmissing) 53 XftFontLoadGlyphs (dpy, pub, FcFalse, missing, nmissing); 54 g = glyphs; 55 n = nglyphs; (gdb) list XftTextExtents8 117 XftTextExtents8 (Display *dpy, 118 XftFont *pub, 119 _Xconst FcChar8 *string, 120 int len, 121 XGlyphInfo *extents) 122 { 123 FT_UInt *glyphs, glyphs_local[NUM_LOCAL]; 124 int i; 125 126 if (len <= NUM_LOCAL) 127 glyphs = glyphs_local; 128 else 129 { 130 glyphs = malloc (len * sizeof (FT_UInt)); 131 if (!glyphs) 132 { 133 memset (extents, '\0', sizeof (XGlyphInfo)); 134 return; 135 } 136 } 137 for (i = 0; i < len; i++) 138 glyphs[i] = XftCharIndex (dpy, pub, string[i]); 139 XftGlyphExtents (dpy, pub, glyphs, len, extents); 140 if (glyphs != glyphs_local) 141 free (glyphs); 142 } (gdb) bt full #0 0x00007fa70cd1b354 in XftGlyphExtents (dpy=dpy@entry=0x556791913010, pub=pub@entry=0x556791957770, glyphs=glyphs@entry=0x7ffe32446780, nglyphs=nglyphs@entry=-1, extents=extents@entry=0x7ffe32447830) at ../../src/xftextent.c:50 font = 0x556791957770 missing = {0, 1, 768, 32, 9, 2, 238, 214, 341, 2018, 10, 100, 4, 3432, 7, 13, 4096, 1864, 1738, 1610, 1735, 1763, 8, 1835, 131, 130, 1917, 342, 787, 1199, 33, 5,1001, 14, 31, 15, 1, 0, 0, 0, 1, 0, 224631424, 32679, 843342932, 32766, 222831915, 32679, 0, 0, 224632280, 32679, 843342896, 32766, 3612111240, 1, 224631424, 32679, 843342880, 32766, 201712249, 32679, 1038094023, 0, 4294967295, 0, 843343136, 32766, 211258264, 32679, 225031056, 32679, 5786813, 0, 201708696, 32679, 843343216, 0, 0, 0, 843342996, 32766, 224632280, 32679, 843343296, 32766, 0, 0, 1, 0, 0, 0, 843343336, 32766, 204502296, 32679, 8, 0, 843345876, 32766, 843345876, 32766, 2442264848, 21863, 2442211344, 21863, 1, 0, 27263005, 0, 199571703, 32679, 1, 0, 211258264, 32679, 2442211344, 21863, 1, 0, 27263000, 0, 199571703, 32679, 1, 0, 16, 0, 2442271296, 21863, 2442271296, 21863, 843345796, 32766, 224631424, 32679, 56872912, 0, 201708696, 32679, 843343472, 0, 8096, 65535, 843343252, 32766, 2833591552, 2521310727, 843343552, 32766, 2442260064, 21863, 2442211344, 21863, 2442211344, 21863, 17, 0, 1, 0, 16, 0, 2833591552, 2521310727, 2442216160, 21863, 1, 0, 27263005, 0, 2442211344, 21863, 1, 0, 27263005, 0, 2442211344, 21863, 199562427, 32679, 2442211344, 0, 1, 1, 2442211344, 21863, 2442275560, 21863, 27263004, 0, 2833591552, 2521310727, 2442463840, 21863, 2442491760, 21863, 843348000, 32766, 1632, 0...} nmissing = 36 n = <optimized out> g = 0x7ffe3244a004 glyph = <optimized out> xftg = <optimized out> glyphs_loaded = 1 x = <optimized out> y = <optimized out> left = <optimized out> right = <optimized out> top = <optimized out> bottom = <optimized out> overall_left = <optimized out> overall_right = <optimized out> overall_top = <optimized out> overall_bottom = <optimized out> #1 0x00007fa70cd1b64c in XftTextExtents8 (dpy=0x556791913010, pub=0x556791957770, string=0x5567919227b0 "", len=-1, extents=0x7ffe32447830) at ../../src/xftextent.c:139 glyphs = 0x7ffe32446780 glyphs_local = {86, 70, 90, 75, 82, 17, 71, 68, 92, 70, 68, 79, 3, 41, 85, 82, 81, 87, 3, 51, 68, 74, 72, 3, 16, 3, 48, 82, 93, 76, 79, 79, 68, 3, 41, 76, 85, 72, 73, 82, 91, 75, 88, 81, 71, 72, 85, 69, 76, 85, 71, 86, 92, 71, 17, 72, 71, 88, 17, 68, 88, 3, 16, 3, 48, 82, 93, 76, 79, 79, 68, 3, 55, 75, 88, 81, 71, 72, 85, 69, 76,85, 71, 76, 85, 71, 3, 18, 87, 80, 83, 18, 80, 83, 18, 3, 16, 3, 18, 87, 80, 83, 18, 87, 72, 71, 74, 85, 68, 87, 72, 71, 85, 68, 87, 72, 71, 76, 74, 85, 68, 87, 72, 71, 74, 85, 68, 87, 72, 71, 87, 72, 71, 71, 72, 71, 72, 71, 71, 21, 12, 90, 86, 16, 20, 21, 24, 21, 12, 0, 0, 0, 843344404, 32766, 225028128, 32679, 843344704, 32766, 0, 0, 1, 0, 768, 0, 225027272, 32679, 219396472, 32679, 219429472, 32679, 222833587, 32679, 768, 0, 219429472, 32679, 225027272, 32679, 843344600, 32766, 843344596, 32766, 219396472, 32679, 219429960, 32679, 219414904, 32679, 843344600, 32766, 430701788, 0, 6729715, 0, 219429472, 32679, 843344816, 32766, 219396472, 32679...} i = 0 After rebuilding hpanel and starting many xterm's: Program received signal SIGSEGV, Segmentation fault. 0x00007fd9e594d364 in XftGlyphExtents (dpy=dpy@entry=0x55c072ed2260, pub=pub@entry=0x55c072f1edd0, glyphs=glyphs@entry=0x7ffd6f6611f0, nglyphs=nglyphs@entry=-1, extents=extents@entry=0x7ffd6f662254) at ../../src/xftextent.c:50 50 if (XftFontCheckGlyph (dpy, pub, FcFalse, *g++, missing, &nmissing)) (gdb) bt #0 0x00007fd9e594d364 in XftGlyphExtents (dpy=dpy@entry=0x55c072ed2260, pub=pub@entry=0x55c072f1edd0, glyphs=glyphs@entry=0x7ffd6f6611f0, nglyphs=nglyphs@entry=-1, extents=extents@entry=0x7ffd6f662254) at ../../src/xftextent.c:50 #1 0x00007fd9e594d656 in XftTextExtents8 (dpy=0x55c072ed2260, pub=0x55c072f1edd0, string=0x55c072ee5aa0 "benutzer@debian: ~", len=-1, extents=0x7ffd6f662254) at ../../src/xftextent.c:139 #2 0x000055c071a5953f in gui_draw_task (tk=0x55c072ee2d70) at hpanel.c:593 #3 0x000055c071a59cba in gui_draw_taskbar () at hpanel.c:848 #4 0x000055c071a5a414 in handle_propertynotify (win=948, at=364) at hpanel.c:1139 #5 0x000055c071a58655 in main (argc=<optimized out>, argv=<optimized out>) at hpanel.c:1276 (gdb) list gui_draw_task 557 draw_line (x + 3, 2, x + 3, WINHEIGHT - 3); 558 } 559 560 void 561 gui_draw_task (task *tk) 562 { 563 int len; 564 int x = tk->pos_x; 565 int taskw = tk->width; 566 #ifdef XFT 567 XGlyphInfo ext; 568 XftColor col; 569 #endif 570 571 if (!tk->name) 572 return; 573 574 gui_draw_vline (x); 575 576 if (tk->focused) 577 { 578 draw_box (x, taskw); 579 } else 580 { 581 set_foreground (0); /* mid gray */ 582 fill_rect (x + 2, 0, taskw - 1, WINHEIGHT); 583 } 584 585 { 586 register int text_x = x + TEXTPAD + TEXTPAD + ICONWIDTH; 587 #ifdef XFT 588 589 /* check how many chars can fit */ 590 len = strlen (tk->name); 591 while (1) 592 { 593 XftTextExtents8 (dd, xfs, tk->name, len, &ext); 594 if (ext.width < taskw - (text_x - x) - 2 && len > 0) 595 break; 596 len--; 597 }
