X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=main.cpp;h=e98506fcc0ea19d2d0dc2572252d3ab85748eca4;hp=56b4dd5f1a4ed12c08bf2037061a48ad9ac7264d;hb=9fd5bb6e6468eb6d211aff682f3a64e7f070bb44;hpb=be03620eb7b765ff01f52d0f8b9e7dac308524c5 diff --git a/main.cpp b/main.cpp index 56b4dd5f..e98506fc 100644 --- a/main.cpp +++ b/main.cpp @@ -20,6 +20,7 @@ extern "C" { #include /* First, so we avoid a _POSIX_C_SOURCE warning. */ +#include #include #include } @@ -33,9 +34,12 @@ extern "C" { #include "config.h" +// Global pointer to our QApplication +QApplication *g_app = NULL; + void usage() { - fprintf(stderr, + fprintf(stdout, "Usage:\n" " %s — %s\n" "\n" @@ -45,10 +49,30 @@ void usage() "\n", PV_BIN_NAME, PV_DESCRIPTION); } +/* + * SIGINT handler (likely received Ctrl-C from terminal) + */ +void sigint_handler(int param) +{ + (void)param; + + qDebug("Received SIGINT."); + + if (g_app) + g_app->quit(); +} + int main(int argc, char *argv[]) { int ret = 0; + struct sr_context *sr_ctx = NULL; + + // Register a SIGINT handler + signal(SIGINT, sigint_handler); + QApplication a(argc, argv); + // Now we have an application to populate our global pointer + g_app = &a; // Set some application metadata QApplication::setApplicationVersion(PV_VERSION_STRING); @@ -58,8 +82,8 @@ int main(int argc, char *argv[]) // Parse arguments while (1) { static const struct option long_options[] = { - {"version", no_argument, 0, 'V'}, - {"help", no_argument, 0, 'h'}, + {"version", no_argument, 0, 'V'}, + {"help", no_argument, 0, 'h'}, {0, 0, 0, 0} }; @@ -71,7 +95,7 @@ int main(int argc, char *argv[]) switch (c) { case 'V': // Print version info - fprintf(stderr, "%s %s\n", PV_TITLE, PV_VERSION_STRING); + fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING); return 0; case 'h': @@ -82,7 +106,7 @@ int main(int argc, char *argv[]) } // Initialise libsigrok - if (sr_init() != SR_OK) { + if (sr_init(&sr_ctx) != SR_OK) { qDebug() << "ERROR: libsigrok init failed."; return 1; } @@ -96,7 +120,7 @@ int main(int argc, char *argv[]) // Initialize all libsigrok drivers sr_dev_driver **const drivers = sr_driver_list(); for (sr_dev_driver **driver = drivers; *driver; driver++) { - if (sr_driver_init(*driver) != SR_OK) { + if (sr_driver_init(sr_ctx, *driver) != SR_OK) { qDebug("Failed to initialize driver %s", (*driver)->name); ret = 1; @@ -104,7 +128,7 @@ int main(int argc, char *argv[]) } } - if(ret == 0) { + if (ret == 0) { // Initialise the main window pv::MainWindow w; w.show(); @@ -120,7 +144,8 @@ int main(int argc, char *argv[]) qDebug() << "ERROR: libsigrokdecode init failed."; } - sr_exit(); + if (sr_ctx) + sr_exit(sr_ctx); return ret; }