Add support for setting the mouse protocol
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parent
70bcfde021
commit
f1f9a00cda
136
driver-ti.c
136
driver-ti.c
@ -1,4 +1,4 @@
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// we want strdup()
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// We want strdup()
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#define _XOPEN_SOURCE 600
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#include "termo.h"
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@ -261,6 +261,21 @@ load_terminfo (termo_ti_t *ti, const char *term)
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}
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}
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if (!ti->have_mouse)
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ti->tk->guessed_mouse_proto = TERMO_MOUSE_PROTO_NONE;
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else if (strstr (term, "rxvt") == term)
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// urxvt generally doesn't understand the SGR protocol.
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ti->tk->guessed_mouse_proto = TERMO_MOUSE_PROTO_RXVT;
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else
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// SGR (1006) is the superior protocol. If it's not supported by the
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// terminal, nothing much happens and we continue getting events via
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// the original protocol (1000). We can't afford to enable the UTF-8
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// protocol (1005) because it collides with the original (1000) and we
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// have no way of knowing if it's supported by the terminal. Also both
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// 1000 and 1005 are broken in that they may produce characters that
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// are illegal in the current locale's charset.
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ti->tk->guessed_mouse_proto = TERMO_MOUSE_PROTO_SGR;
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// Take copies of these terminfo strings, in case we build multiple termo
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// instances for multiple different termtypes, and it's different by the
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// time we want to use it
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@ -289,32 +304,6 @@ load_terminfo (termo_ti_t *ti, const char *term)
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return true;
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}
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static void *
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new_driver (termo_t *tk, const char *term)
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{
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termo_ti_t *ti = calloc (1, sizeof *ti);
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if (!ti)
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return NULL;
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ti->tk = tk;
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ti->root = new_node_arr (0, 0xff);
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if (!ti->root)
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goto abort_free_ti;
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if (!load_terminfo (ti, term))
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goto abort_free_trie;
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ti->root = compress_trie (ti->root);
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return ti;
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abort_free_trie:
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free_trie (ti->root);
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abort_free_ti:
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free (ti);
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return NULL;
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}
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static bool
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write_string (termo_t *tk, char *string)
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{
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@ -352,32 +341,105 @@ set_mouse (termo_ti_t *ti, bool enable)
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return write_string (ti->tk, start_string);
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}
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static bool
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mouse_reset (termo_ti_t *ti)
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{
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// Disable everything, a de-facto reset for all terminal mouse protocols
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return set_mouse (ti, false)
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&& write_string (ti->tk, "\E[?1002l")
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&& write_string (ti->tk, "\E[?1003l")
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&& write_string (ti->tk, "\E[?1005l")
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&& write_string (ti->tk, "\E[?1006l")
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&& write_string (ti->tk, "\E[?1015l");
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}
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static bool
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mouse_set_proto (void *data, int proto, bool enable)
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{
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termo_ti_t *ti = data;
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bool success = true;
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if (proto & TERMO_MOUSE_PROTO_VT200)
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success &= set_mouse (ti, enable);
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if (proto & TERMO_MOUSE_PROTO_UTF8)
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success &= write_string (ti->tk, enable ? "\E[?1005h" : "\E[?1005l");
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if (proto & TERMO_MOUSE_PROTO_SGR)
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success &= write_string (ti->tk, enable ? "\E[?1006h" : "\E[?1006l");
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if (proto & TERMO_MOUSE_PROTO_RXVT)
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success &= write_string (ti->tk, enable ? "\E[?1015h" : "\E[?1015l");
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return success;
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}
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static bool
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mouse_set_tracking_mode (void *data,
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termo_mouse_tracking_t tracking, bool enable)
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{
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termo_ti_t *ti = data;
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if (tracking == TERMO_MOUSE_TRACKING_DRAG)
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return write_string (ti->tk, enable ? "\E[?1002h" : "\E[?1002l");
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if (tracking == TERMO_MOUSE_TRACKING_ANY)
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return write_string (ti->tk, enable ? "\E[?1003h" : "\E[?1003l");
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return true;
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}
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static int
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start_driver (termo_t *tk, void *info)
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{
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termo_ti_t *ti = info;
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// TODO: Don't start the mouse automatically, find a nice place to put
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// a public function to be called by users.
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// TODO: Try to autodetect rxvt and use its protocol instead of mode 1000
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// TODO: Also give the user a choice to use 1005, 1006 or 1015
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if (ti->have_mouse && !set_mouse (ti, true))
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return false;
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return write_string (tk, ti->start_string);
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return write_string (tk, ti->start_string)
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&& ((!ti->have_mouse && tk->mouse_proto == TERMO_MOUSE_PROTO_NONE)
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|| mouse_reset (ti)) // We can never be sure
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&& mouse_set_proto (ti, tk->mouse_proto, true)
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&& mouse_set_tracking_mode (ti, tk->mouse_tracking, true);
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}
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static int
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stop_driver (termo_t *tk, void *info)
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{
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termo_ti_t *ti = info;
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if (ti->have_mouse && !set_mouse (ti, false))
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return false;
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return write_string (tk, ti->stop_string);
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return write_string (tk, ti->stop_string)
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&& mouse_set_proto (ti, tk->mouse_proto, false)
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&& mouse_set_tracking_mode (ti, tk->mouse_tracking, false);
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}
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static void *
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new_driver (termo_t *tk, const char *term)
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{
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termo_ti_t *ti = calloc (1, sizeof *ti);
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if (!ti)
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return NULL;
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ti->tk = tk;
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ti->root = new_node_arr (0, 0xff);
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if (!ti->root)
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goto abort_free_ti;
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if (!load_terminfo (ti, term))
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goto abort_free_trie;
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ti->root = compress_trie (ti->root);
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tk->ti_data = ti;
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tk->ti_method.set_mouse_proto = mouse_set_proto;
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tk->ti_method.set_mouse_tracking_mode = mouse_set_tracking_mode;
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return ti;
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abort_free_trie:
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free_trie (ti->root);
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abort_free_ti:
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free (ti);
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return NULL;
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}
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static void
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free_driver (void *info)
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{
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termo_ti_t *ti = info;
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ti->tk->ti_data = NULL;
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ti->tk->ti_method.set_mouse_proto = NULL;
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ti->tk->ti_method.set_mouse_tracking_mode = NULL;
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free_trie (ti->root);
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free (ti->set_mouse_string);
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free (ti->start_string);
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@ -80,6 +80,22 @@ struct termo
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termo_key_t *key, size_t *nbytes);
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}
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method;
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int guessed_mouse_proto; // What we think should be the mouse protocol
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int mouse_proto; // The active mouse protocol
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termo_mouse_tracking_t mouse_tracking; // Mouse tracking mode
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// The mouse unfortunately directly depends on the terminfo driver to let
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// it handle changes in the mouse protocol.
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void *ti_data; // termo_ti_t pointer
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struct
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{
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bool (*set_mouse_proto) (void *, int, bool);
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bool (*set_mouse_tracking_mode) (void *, termo_mouse_tracking_t, bool);
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}
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ti_method;
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};
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static inline void
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54
termo.c
54
termo.c
@ -313,6 +313,14 @@ termo_alloc (void)
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tk->method.emit_codepoint = &emit_codepoint;
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tk->method.peekkey_simple = &peekkey_simple;
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tk->method.peekkey_mouse = &peekkey_mouse;
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tk->mouse_proto = TERMO_MOUSE_PROTO_NONE;
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tk->mouse_tracking = TERMO_MOUSE_TRACKING_NORMAL;
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tk->guessed_mouse_proto = TERMO_MOUSE_PROTO_NONE;
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tk->ti_data = NULL;
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tk->ti_method.set_mouse_proto = NULL;
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tk->ti_method.set_mouse_tracking_mode = NULL;
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return tk;
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}
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@ -625,6 +633,52 @@ termo_get_buffer_remaining (termo_t *tk)
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return tk->buffsize - tk->buffcount;
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}
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int
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termo_get_mouse_proto (termo_t *tk)
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{
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return tk->mouse_proto;
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}
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int
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termo_guess_mouse_proto (termo_t *tk)
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{
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return tk->guessed_mouse_proto;
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}
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int
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termo_set_mouse_proto (termo_t *tk, int proto)
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{
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int old_proto = tk->mouse_proto;
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tk->mouse_proto = proto;
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// Call the TI driver to apply the change if needed
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if (!tk->is_started
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|| !tk->ti_method.set_mouse_proto)
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return true;
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return tk->ti_method.set_mouse_proto (tk->ti_data, old_proto, false)
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&& tk->ti_method.set_mouse_proto (tk->ti_data, proto, true);
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}
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termo_mouse_tracking_t
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termo_get_mouse_tracking_mode (termo_t *tk)
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{
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return tk->mouse_tracking;
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}
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int
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termo_set_mouse_tracking_mode (termo_t *tk, termo_mouse_tracking_t mode)
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{
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termo_mouse_tracking_t old_mode = tk->mouse_tracking;
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tk->mouse_tracking = mode;
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// Call the TI driver to apply the change if needed
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if (!tk->is_started
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|| !tk->ti_method.set_mouse_tracking_mode)
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return true;
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return tk->ti_method.set_mouse_tracking_mode (tk->ti_data, old_mode, false)
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&& tk->ti_method.set_mouse_tracking_mode (tk->ti_data, mode, true);
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}
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static void
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eat_bytes (termo_t *tk, size_t count)
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{
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27
termo.h
27
termo.h
@ -121,6 +121,26 @@ enum termo_mouse_event
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TERMO_MOUSE_RELEASE
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};
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// You will want to handle GPM (incompatible license) and FreeBSD's sysmouse
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// yourself. http://www.monkey.org/openbsd/archive/tech/0009/msg00018.html
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enum
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{
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TERMO_MOUSE_PROTO_NONE = 0,
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TERMO_MOUSE_PROTO_VT200 = 1 << 0,
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TERMO_MOUSE_PROTO_UTF8 = 1 << 1 | TERMO_MOUSE_PROTO_VT200,
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TERMO_MOUSE_PROTO_SGR = 1 << 2 | TERMO_MOUSE_PROTO_VT200,
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TERMO_MOUSE_PROTO_RXVT = 1 << 3 | TERMO_MOUSE_PROTO_VT200
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};
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typedef enum termo_mouse_tracking termo_mouse_tracking_t;
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enum termo_mouse_tracking
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{
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TERMO_MOUSE_TRACKING_NORMAL,
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TERMO_MOUSE_TRACKING_DRAG,
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TERMO_MOUSE_TRACKING_ANY
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};
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enum
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{
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TERMO_KEYMOD_SHIFT = 1 << 0,
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@ -209,6 +229,13 @@ size_t termo_get_buffer_remaining (termo_t *tk);
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void termo_canonicalise (termo_t *tk, termo_key_t *key);
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int termo_get_mouse_proto (termo_t *tk);
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int termo_set_mouse_proto (termo_t *tk, int proto);
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int termo_guess_mouse_proto (termo_t *tk);
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termo_mouse_tracking_t termo_get_mouse_tracking_mode (termo_t *tk);
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int termo_set_mouse_tracking_mode (termo_t *tk, termo_mouse_tracking_t mode);
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termo_result_t termo_getkey (termo_t *tk, termo_key_t *key);
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termo_result_t termo_getkey_force (termo_t *tk, termo_key_t *key);
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termo_result_t termo_waitkey (termo_t *tk, termo_key_t *key);
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