code separation

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 131 insertions, 0 deletions

diff --git a/src/test/user.c b/src/test/user.c
new file mode 100644
index 0000000..a9980ed
--- /dev/null
+++ b/src/test/user.c
@@ -0,0 +1,131 @@
+/**
+ * libgamma -- Display server abstraction layer for gamma ramp adjustments
+ * Copyright (C) 2014  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "user.h"
+
+#include "methods.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+/**
+ * Let the user select adjustment method, site, partition and CRTC.
+ * 
+ * @param   site_state  Output slot for the site.
+ * @param   part_state  Output slot for the partition.
+ * @param   crtc_state  Output slot for the CRTC.
+ * @return              Zero on and only on success.
+ */
+int select_monitor(libgamma_site_state_t* restrict site_state,
+		   libgamma_partition_state_t* restrict part_state,
+		   libgamma_crtc_state_t* restrict crtc_state)
+{
+  int method;
+  char* site;
+  char* tmp;
+  char buf[256];
+  int r;
+  
+  
+  /* -- Adjustment method -- */
+  
+  /* Let the user select adjustment method. */
+  printf("Select adjustment method:\n");
+  for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++)
+    printf("    %i:  %s\n", method, method_name(method));
+  printf("> ");
+  fflush(stdout);
+  fgets(buf, sizeof(buf) / sizeof(char), stdin);
+  method = atoi(buf);
+  
+  
+  /* -- Site -- */
+  
+  /* Let the user select site. */
+  printf("Select site: ");
+  fflush(stdout);
+  fgets(buf, sizeof(buf) / sizeof(char), stdin);
+  tmp = strchr(buf, '\n');
+  if (tmp != NULL)
+    *tmp = '\0';
+  if (buf[0] == '\0')
+    site = NULL;
+  else
+    {
+      site = malloc((strlen(buf) + 1) * sizeof(char));
+      memcpy(site, buf, strlen(buf) + 1);
+    }
+  
+  /* Initialise site state. */
+  if ((r = libgamma_site_initialise(site_state, method, site)))
+    {
+      free(site);
+      return libgamma_perror("error", r), 1;
+    }
+  
+  
+  /* -- Partition -- */
+  
+  /* Check that the site has at least one partition. */
+  if (site_state->partitions_available == 0)
+    {
+      libgamma_site_free(site_state);
+      return printf("No partitions found\n"), 1;
+    }
+  
+  /* Let the user select partition. */
+  printf("Select partition [0, %lu]: ", site_state->partitions_available - 1);
+  fflush(stdout);
+  fgets(buf, sizeof(buf) / sizeof(char), stdin);
+  
+  /* Initialise partition state. */
+  if ((r = libgamma_partition_initialise(part_state, site_state, (size_t)atoll(buf))))
+    {
+      libgamma_site_free(site_state);
+      return libgamma_perror("error", r), 1;
+    }
+  
+  
+  /* -- CRTC -- */
+  
+  /* Check that the partition has at least one CRTC. */
+  if (part_state->crtcs_available == 0)
+    {
+      libgamma_partition_free(part_state);
+      libgamma_site_free(site_state);
+      return printf("No CRTC:s found\n"), 1;
+    }
+  
+  /* Let the user select CRTC. */
+  printf("Select CRTC [0, %lu]: ", part_state->crtcs_available - 1);
+  fflush(stdout);
+  fgets(buf, sizeof(buf) / sizeof(char), stdin);
+  
+  /* Initialise CRTC state. */
+  if ((r = libgamma_crtc_initialise(crtc_state, part_state, (size_t)atoll(buf))))
+    {
+      libgamma_partition_free(part_state);
+      libgamma_site_free(site_state);
+      return libgamma_perror("error", r), 1;
+    }
+  
+  printf("\n");
+  return 0;
+}
+