diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/deps.mk | 4 | ||||
| -rw-r--r-- | src/signals.c | 63 | ||||
| -rw-r--r-- | src/signals.h | 31 | ||||
| -rw-r--r-- | src/slideshow.c | 4 |
4 files changed, 101 insertions, 1 deletions
diff --git a/src/deps.mk b/src/deps.mk index 5cd4fdf..c3e5043 100644 --- a/src/deps.mk +++ b/src/deps.mk @@ -27,8 +27,10 @@ multiwindow.o: multiwindow.c feh.h structs.h menu.h ipc.h utils.h \ getopt.h debug.h winwidget.h timers.h filelist.h options.h options.o: options.c feh.h structs.h menu.h ipc.h utils.h getopt.h \ debug.h filelist.h options.h +signals.o: signals.c feh.h structs.h menu.h ipc.h utils.h getopt.h \ + debug.h winwidget.h slideshow.o: slideshow.c feh.h structs.h menu.h ipc.h utils.h getopt.h \ - debug.h filelist.h timers.h winwidget.h options.h + debug.h filelist.h timers.h winwidget.h options.h signals.h support.o: support.c feh.h structs.h menu.h ipc.h utils.h getopt.h \ debug.h filelist.h options.h support.h thumbnail.o: thumbnail.c feh.h structs.h menu.h ipc.h utils.h getopt.h \ diff --git a/src/signals.c b/src/signals.c new file mode 100644 index 0000000..4e51c77 --- /dev/null +++ b/src/signals.c @@ -0,0 +1,63 @@ +/* signals.c + +Copyright (C) 2010 by Daniel Friesel + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to +deal in the Software without restriction, including without limitation the +rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +sell copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies of the Software and its documentation and acknowledgment shall be +given in the documentation and software packages that this Software was +used. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +#include "feh.h" +#include "winwidget.h" + +void feh_handle_signal(int); + +void setup_signal_handlers() +{ + struct sigaction feh_sh; + sigset_t feh_ss; + D_ENTER(4); + + sigemptyset(&feh_ss); + sigaddset(&feh_ss, SIGUSR1); + sigaddset(&feh_ss, SIGUSR2); + + feh_sh.sa_handler = feh_handle_signal; + feh_sh.sa_mask = feh_ss; + + sigaction(SIGUSR1, &feh_sh, NULL); + sigaction(SIGUSR2, &feh_sh, NULL); + D_RETURN_(4); +} + +void feh_handle_signal(int signo) +{ + D_ENTER(4); + winwidget winwid + = winwidget_get_first_window_of_type(WIN_TYPE_SLIDESHOW); + + if (winwid) { + if (signo == SIGUSR1) + slideshow_change_image(winwid, SLIDE_NEXT); + else if (signo == SIGUSR2) + slideshow_change_image(winwid, SLIDE_PREV); + } + + D_RETURN_(4); +} diff --git a/src/signals.h b/src/signals.h new file mode 100644 index 0000000..526285d --- /dev/null +++ b/src/signals.h @@ -0,0 +1,31 @@ +/* signals.h + +Copyright (C) 2010 by Daniel Friesel + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to +deal in the Software without restriction, including without limitation the +rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +sell copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies of the Software and its documentation and acknowledgment shall be +given in the documentation and software packages that this Software was +used. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +#ifndef SIGNALS_H +#define SIGNALS_H + +void setup_signal_handlers(); + +#endif diff --git a/src/slideshow.c b/src/slideshow.c index 4f95c46..d4cc1b4 100644 --- a/src/slideshow.c +++ b/src/slideshow.c @@ -28,6 +28,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include "timers.h" #include "winwidget.h" #include "options.h" +#include "signals.h" void init_slideshow_mode(void) { @@ -75,6 +76,9 @@ void init_slideshow_mode(void) } if (!success) show_mini_usage(); + + setup_signal_handlers(); + D_RETURN_(3); } |