xglcomp
annotate src/xerr.cc @ 9:245dd960f0b3
added xerror handling helpers
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Tue, 02 Feb 2016 12:54:02 +0200 |
| parents | |
| children | be18500d76d1 |
| rev | line source |
|---|---|
| nuclear@9 | 1 #include <stack> |
| nuclear@9 | 2 #include "xerr.h" |
| nuclear@9 | 3 #include "logger.h" |
| nuclear@9 | 4 |
| nuclear@9 | 5 static std::stack<xerr_handler_type> func_stack; |
| nuclear@9 | 6 |
| nuclear@9 | 7 void push_xerr_handler(xerr_handler_type func) |
| nuclear@9 | 8 { |
| nuclear@9 | 9 func_stack.push(func); |
| nuclear@9 | 10 XSetErrorHandler(func); |
| nuclear@9 | 11 } |
| nuclear@9 | 12 |
| nuclear@9 | 13 void pop_xerr_handler() |
| nuclear@9 | 14 { |
| nuclear@9 | 15 if(func_stack.empty()) { |
| nuclear@9 | 16 log_error("attempt to pop_xerr_handler with an empty stack\n"); |
| nuclear@9 | 17 return; |
| nuclear@9 | 18 } |
| nuclear@9 | 19 xerr_handler_type prev = func_stack.top(); |
| nuclear@9 | 20 func_stack.pop(); |
| nuclear@9 | 21 XSetErrorHandler(prev); |
| nuclear@9 | 22 } |
| nuclear@9 | 23 |
| nuclear@9 | 24 int xerr_debug(Display *dpy, XErrorEvent *err) |
| nuclear@9 | 25 { |
| nuclear@9 | 26 char errstr[512]; |
| nuclear@9 | 27 XGetErrorText(dpy, err->error_code, errstr, sizeof errstr); |
| nuclear@9 | 28 printf("X error caught:\n%s\n", errstr); |
| nuclear@9 | 29 return 0; |
| nuclear@9 | 30 } |
| nuclear@9 | 31 |
| nuclear@9 | 32 int xerr_ignore(Display *dpy, XErrorEvent *err) |
| nuclear@9 | 33 { |
| nuclear@9 | 34 return 0; |
| nuclear@9 | 35 } |