Add stage view, which is used for showing status changes

diff --git a/tig.c b/tig.c
index 21dd6c2f8e1d7db9862dd03a2a0d15614917edfe..b404f56f1d51a8bac32a814ee43302046f46afc9 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -118,6 +118,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *coloffset,
 #define TIG_HELP_CMD   ""
 #define TIG_PAGER_CMD  ""
 #define TIG_STATUS_CMD ""
+#define TIG_STAGE_CMD  ""
 
 /* Some ascii-shorthands fitted into the ncurses namespace. */
 #define KEY_TAB                '\t'
@@ -305,6 +306,7 @@ sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src)
        REQ_(VIEW_HELP,         "Show help page"), \
        REQ_(VIEW_PAGER,        "Show pager view"), \
        REQ_(VIEW_STATUS,       "Show status view"), \
+       REQ_(VIEW_STAGE,        "Show stage view"), \
        \
        REQ_GROUP("View manipulation") \
        REQ_(ENTER,             "Enter current line and scroll"), \
@@ -735,6 +737,7 @@ static struct keybinding default_keybindings[] = {
        { 'p',          REQ_VIEW_PAGER },
        { 'h',          REQ_VIEW_HELP },
        { 'S',          REQ_VIEW_STATUS },
+       { 'c',          REQ_VIEW_STAGE },
 
        /* View manipulation */
        { 'q',          REQ_VIEW_CLOSE },
@@ -790,7 +793,8 @@ static struct keybinding default_keybindings[] = {
        KEYMAP_(BLOB), \
        KEYMAP_(PAGER), \
        KEYMAP_(HELP), \
-       KEYMAP_(STATUS)
+       KEYMAP_(STATUS), \
+       KEYMAP_(STAGE)
 
 enum keymap {
 #define KEYMAP_(name) KEYMAP_##name
@@ -1286,6 +1290,7 @@ static struct view_ops tree_ops;
 static struct view_ops blob_ops;
 static struct view_ops help_ops;
 static struct view_ops status_ops;
+static struct view_ops stage_ops;
 
 #define VIEW_STR(name, cmd, env, ref, ops, map) \
        { name, cmd, #env, ref, ops, map}
@@ -1303,6 +1308,7 @@ static struct view views[] = {
        VIEW_(HELP,   "help",   &help_ops,   ""),
        VIEW_(PAGER,  "pager",  &pager_ops,  "stdin"),
        VIEW_(STATUS, "status", &status_ops, ""),
+       VIEW_(STAGE,  "stage",  &stage_ops,  ""),
 };
 
 #define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
@@ -2206,6 +2212,15 @@ view_driver(struct view *view, enum request request)
                open_view(view, request, OPEN_DEFAULT);
                break;
 
+       case REQ_VIEW_STAGE:
+               if (!VIEW(REQ_VIEW_STAGE)->lines) {
+                       report("No stage content, press %s to open the status view and choose file",
+                              get_key(REQ_VIEW_STATUS));
+                       break;
+               }
+               open_view(view, request, OPEN_DEFAULT);
+               break;
+
        case REQ_VIEW_MAIN:
        case REQ_VIEW_DIFF:
        case REQ_VIEW_LOG:
@@ -2221,7 +2236,7 @@ view_driver(struct view *view, enum request request)
 
                if ((view == VIEW(REQ_VIEW_DIFF) &&
                     view->parent == VIEW(REQ_VIEW_MAIN)) ||
-                  (view == VIEW(REQ_VIEW_DIFF) &&
+                  (view == VIEW(REQ_VIEW_STAGE) &&
                     view->parent == VIEW(REQ_VIEW_STATUS)) ||
                   (view == VIEW(REQ_VIEW_BLOB) &&
                     view->parent == VIEW(REQ_VIEW_TREE))) {
@@ -3169,9 +3184,9 @@ status_enter(struct view *view, struct line *line)
                die("w00t");
        }
 
-       open_view(view, REQ_VIEW_DIFF, OPEN_RELOAD | OPEN_SPLIT);
-       if (view_is_displayed(VIEW(REQ_VIEW_DIFF))) {
-               string_format(VIEW(REQ_VIEW_DIFF)->ref, info, status->name);
+       open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT);
+       if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
+               string_format(VIEW(REQ_VIEW_STAGE)->ref, info, status->name);
        }
 
        return REQ_NONE;
@@ -3364,6 +3379,15 @@ static struct view_ops status_ops = {
        status_select,
 };
 
+static struct view_ops stage_ops = {
+       "line",
+       NULL,
+       pager_read,
+       pager_draw,
+       pager_request,
+       pager_grep,
+       pager_select,
+};
 
 /*
  * Revision graph