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Code Issues 2 Pull Requests Releases Wiki Activity

Implement search iteration 

The interactive search now has its own keymap, overriding "input".

Closes #5
This commit is contained in:
Přemysl Eric Janouch 2021-07-17 14:01:29 +02:00
parent bc99b3dd48
commit ec1f1031cc
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 37 additions and 17 deletions
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54
sdn.cpp
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@ -459,8 +459,13 @@ static map<wint_t, action> g_input_actions {
{CTRL ('A'), ACTION_INPUT_BEGINNING}, {KEY (HOME), ACTION_INPUT_BEGINNING},
{CTRL ('E'), ACTION_INPUT_END}, {KEY (END), ACTION_INPUT_END},
};
static map<wint_t, action> g_search_actions {
{CTRL ('P'), ACTION_UP}, {KEY (UP), ACTION_UP},
{CTRL ('N'), ACTION_DOWN}, {KEY (DOWN), ACTION_DOWN},
};
static const map<string, map<wint_t, action>*> g_binding_contexts {
{"normal", &g_normal_actions}, {"input", &g_input_actions},
{"search", &g_search_actions},
};
#define LS(XX) XX(NORMAL, "no") XX(FILE, "fi") XX(RESET, "rs") \
@ -533,6 +538,7 @@ static struct {
bool editor_inserting; ///< Inserting a literal character
void (*editor_on_change) (); ///< Callback on editor change
void (*editor_on_confirm) (); ///< Callback on editor confirmation
map<action, void (*) ()> editor_on; ///< Handlers for custom actions
enum { AT_CURSOR, AT_BAR, AT_CWD, AT_INPUT, AT_INFO, AT_CMDLINE, AT_COUNT };
chtype attrs[AT_COUNT] = {A_REVERSE, 0, A_BOLD, 0, A_ITALIC, 0};
@ -1013,6 +1019,18 @@ fun search (const wstring &needle, int push) -> int {
return matches;
}
fun search_interactive (int push) {
int matches = search (g.editor_line, push);
if (g.editor_line.empty ())
g.editor_info.clear ();
else if (matches == 0)
g.editor_info = L"(no match)";
else if (matches == 1)
g.editor_info = L"(1 match)";
else
g.editor_info = L"(" + to_wstring (matches) + L" matches)";
}
fun fix_cursor_and_offset () {
g.cursor = min (g.cursor, int (g.entries.size ()) - 1);
g.cursor = max (g.cursor, 0);
@ -1200,14 +1218,23 @@ fun move_towards_spacing (int diff) -> bool {
}
fun handle_editor (wint_t c) {
auto i = g_input_actions.find (g.editor_inserting ? WEOF : c);
auto action = ACTION_NONE;
if (g.editor_inserting) {
(void) halfdelay (1);
g.editor_inserting = false;
} else {
auto i = g_input_actions.find (c);
if (i != g_input_actions.end ())
action = i->second;
auto m = g_binding_contexts.find (to_mb (g.editor));
if (m != g_binding_contexts.end ()
&& (i = m->second->find (c)) != m->second->end ())
action = i->second;
}
auto original = g.editor_line;
switch (i == g_input_actions.end () ? ACTION_NONE : i->second) {
switch (action) {
case ACTION_INPUT_CONFIRM:
if (g.editor_on_confirm)
g.editor_on_confirm ();
@ -1220,6 +1247,7 @@ fun handle_editor (wint_t c) {
g.editor_inserting = false;
g.editor_on_change = nullptr;
g.editor_on_confirm = nullptr;
g.editor_on.clear ();
return;
case ACTION_INPUT_BEGINNING:
g.editor_cursor = 0;
@ -1264,7 +1292,9 @@ fun handle_editor (wint_t c) {
g.editor_inserting = true;
break;
default:
if (c & (ALT | SYM)) {
if (auto handler = g.editor_on[action]) {
handler ();
} else if (c & (ALT | SYM)) {
beep ();
} else {
g.editor_line.insert (g.editor_cursor, 1, c);
@ -1384,20 +1414,10 @@ fun handle (wint_t c) -> bool {
case ACTION_SEARCH:
g.editor = L"search";
g.editor_on_change = [] {
int matches = search (g.editor_line, 0);
if (g.editor_line.empty ())
g.editor_info.clear ();
else if (matches == 0)
g.editor_info = L"(no match)";
else if (matches == 1)
g.editor_info = L"(1 match)";
else
g.editor_info = L"(" + to_wstring (matches) + L" matches)";
};
g.editor_on_confirm = [] {
choose (at_cursor ());
};
g.editor_on_change = [] { search_interactive (0); };
g.editor_on[ACTION_UP] = [] { search_interactive (-1); };
g.editor_on[ACTION_DOWN] = [] { search_interactive (+1); };
g.editor_on_confirm = [] { choose (at_cursor ()); };
break;
case ACTION_RENAME_PREFILL:
g.editor_line = to_wide (current.filename);