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degesch: add fast buffer switching 

When the user tries to M-n the same buffer, it switches to the last.
This commit is contained in:
Přemysl Eric Janouch 2015-04-27 22:51:40 +02:00
parent cdb1d81982
commit 412cad9328
1 changed files with 14 additions and 1 deletions
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15
degesch.c
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@ -482,6 +482,8 @@ struct app_context
struct buffer *buffers; ///< All our buffers in order
struct buffer *buffers_tail; ///< The tail of our buffers
struct buffer *last_buffer; ///< Last used buffer
// XXX: when we go multiserver, there will be collisions
// TODO: make buffer names unique like weechat does
struct str_map buffers_by_name; ///< Excludes GLOBAL and SERVER
@ -1425,6 +1427,9 @@ buffer_remove (struct app_context *ctx, struct buffer *buffer)
LIST_UNLINK_WITH_TAIL (ctx->buffers, ctx->buffers_tail, buffer);
buffer_destroy (buffer);
if (buffer == ctx->last_buffer)
ctx->last_buffer = NULL;
// It's not a good idea to remove these buffers, but it's even a worse
// one to leave the pointers point to invalid memory
if (buffer == ctx->global_buffer)
@ -1515,6 +1520,7 @@ buffer_activate (struct app_context *ctx, struct buffer *buffer)
}
// Now at last we can switch the pointers
ctx->last_buffer = ctx->current_buffer;
ctx->current_buffer = buffer;
refresh_prompt (ctx);
@ -2178,8 +2184,15 @@ on_readline_goto_buffer (int count, int key)
if (n < 0 || n > 9)
return 0;
// There's no buffer zero
if (n == 0)
n = 10;
struct app_context *ctx = g_ctx;
if (!buffer_goto (ctx, n == 0 ? 10 : n))
if (ctx->last_buffer && buffer_get_index (ctx, ctx->current_buffer) == n)
// Fast switching between two buffers
buffer_activate (ctx, ctx->last_buffer);
else if (!buffer_goto (ctx, n == 0 ? 10 : n))
rl_ding ();
return 0;
}