Vertical split patch

Ported David Whetstone's vertical split patch, originally written
against v0.6.6, to v0.6.7.

cgdb/cgdbrc.c

@@ -47,6 +47,7 @@ enum ConfigType {
 static int command_set_arrowstyle(const char *value);
 static int command_set_cgdb_mode_key(const char *value);
 static int command_set_winsplit(const char *value);
+static int command_set_splitorientation(const char *value);
 static int command_set_timeout(int value);
 static int command_set_timeoutlen(int value);
 static int command_set_ttimeout(int value);
@@ -74,6 +75,7 @@ static struct cgdbrc_config_option cgdbrc_config_options[CGDBRC_WRAPSCAN + 1] =
     {CGDBRC_TTIMEOUT_LEN, {100}},
     {CGDBRC_WINMINHEIGHT, {0}},
     {CGDBRC_WINSPLIT, {WIN_SPLIT_EVEN}},
+    {CGDBRC_SPLITORIENTATION, {SPLIT_HORIZONTAL}},
     {CGDBRC_WRAPSCAN, {1}}
 };
 
@@ -136,6 +138,10 @@ static struct ConfigVariable {
             /* winsplit */
     {
     "winsplit", "winsplit", CONFIG_TYPE_FUNC_STRING, command_set_winsplit},
+            /* splitorientation */
+    {
+    "splitorientation", "so", CONFIG_TYPE_FUNC_STRING,
+                command_set_splitorientation},
             /* wrapscan */
     {
 "wrapscan", "ws", CONFIG_TYPE_BOOL,
@@ -334,6 +340,26 @@ int command_set_winsplit(const char *value)
     return 0;
 }
 
+int command_set_splitorientation(const char *value)
+{
+    struct cgdbrc_config_option option;
+    SPLIT_ORIENTATION_TYPE orientation = SPLIT_HORIZONTAL;
+
+    option.option_kind = CGDBRC_SPLITORIENTATION;
+
+    if (strcasecmp(value, "horizontal") == 0)
+        orientation = SPLIT_HORIZONTAL;
+    else if (strcasecmp(value, "vertical") == 0)
+        orientation = SPLIT_VERTICAL;
+
+    option.variant.win_orientation_val = orientation;
+    if (cgdbrc_set_val(option))
+        return 1;
+    if_set_splitorientation(orientation);
+
+    return 0;
+}
+
 static int command_set_winminheight(int value)
 {
     struct cgdbrc_config_option option;

cgdb/cgdbrc.h

@@ -99,6 +99,16 @@ typedef enum { WIN_SPLIT_FREE = -3, /* split point not on quarter mark */
     WIN_SPLIT_TOP_FULL = 2      /* src window is 100% of screen */
 } WIN_SPLIT_TYPE;
 
+/** window split orientation type enumeration
+ *  
+ *  SPLIT_VERTICAL and SPLIT_HORIZONTAL refer to the orientation
+ *  of the split between the source and GDB windows.
+ */
+typedef enum {
+    SPLIT_HORIZONTAL = 0,       /* source above and GDB below (default) */
+    SPLIT_VERTICAL = 1          /* source left and GDB right            */
+} SPLIT_ORIENTATION_TYPE;
+
 /** All of the different configuration options */
 enum cgdbrc_option_kind {
     CGDBRC_ARROWSTYLE,
@@ -114,6 +124,7 @@ enum cgdbrc_option_kind {
     CGDBRC_TTIMEOUT_LEN,
     CGDBRC_WINMINHEIGHT,
     CGDBRC_WINSPLIT,
+    CGDBRC_SPLITORIENTATION,
     CGDBRC_WRAPSCAN
 };
 
@@ -139,6 +150,8 @@ struct cgdbrc_config_option {
         enum tokenizer_language_support language_support_val;
         /* option_kind == CGDBRC_WINSPLIT */
         WIN_SPLIT_TYPE win_split_val;
+        /* option_kind == CGDBRC_WINORIENTATION */
+        SPLIT_ORIENTATION_TYPE win_orientation_val;
     } variant;
 };