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rofi/source/modes/script.c
Dave Davenport 9fda280be1 [DMenu|Script] Add per row urgent/active option. 
Instead of having a global list of entries to highlight urgent/active,
you can now to it per row.
2023-01-08 12:10:40 +01:00

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/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2022 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
/** The log domain of this dialog. */
#define G_LOG_DOMAIN "Modes.Script"
#include "modes/script.h"
#include "helper.h"
#include "rofi.h"
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include "widgets/textbox.h"
#include "mode-private.h"
#include "rofi-icon-fetcher.h"
#include "modes/dmenuscriptshared.h"
typedef struct {
/** ID of the current script. */
unsigned int id;
/** List of visible items. */
DmenuScriptEntry *cmd_list;
/** length list of visible items. */
unsigned int cmd_list_length;
/** Urgent list */
struct rofi_range_pair *urgent_list;
unsigned int num_urgent_list;
/** Active list */
struct rofi_range_pair *active_list;
unsigned int num_active_list;
/** Configuration settings. */
char *message;
char *prompt;
char *data;
gboolean do_markup;
gboolean keep_selection;
int64_t new_selection;
char delim;
/** no custom */
gboolean no_custom;
gboolean use_hot_keys;
} ScriptModePrivateData;
/**
* Shared function between DMENU and Script mode.
*/
void dmenuscript_parse_entry_extras(G_GNUC_UNUSED Mode *sw,
DmenuScriptEntry *entry, char *buffer,
G_GNUC_UNUSED size_t length) {
gchar **extras = g_strsplit(buffer, "\x1f", -1);
gchar **extra;
for (extra = extras; *extra != NULL && *(extra + 1) != NULL; extra += 2) {
gchar *key = *extra;
gchar *value = *(extra + 1);
if (strcasecmp(key, "icon") == 0) {
entry->icon_name = value;
} else if (strcasecmp(key, "meta") == 0) {
entry->meta = value;
} else if (strcasecmp(key, "info") == 0) {
entry->info = value;
} else if (strcasecmp(key, "nonselectable") == 0) {
entry->nonselectable = g_ascii_strcasecmp(value, "true") == 0;
g_free(value);
} else if (strcasecmp(key, "urgent") == 0) {
entry->urgent = g_ascii_strcasecmp(value, "true") == 0;
g_free(value);
} else if (strcasecmp(key, "active") == 0) {
entry->active = g_ascii_strcasecmp(value, "true") == 0;
g_free(value);
} else {
g_free(value);
}
g_free(key);
}
g_free(extras);
}
/**
* End of shared functions.
*/
static void parse_header_entry(Mode *sw, char *line, ssize_t length) {
ScriptModePrivateData *pd = (ScriptModePrivateData *)sw->private_data;
ssize_t length_key = 0; // strlen ( line );
while (length_key < length && line[length_key] != '\x1f') {
length_key++;
}
if ((length_key + 1) < length) {
line[length_key] = '\0';
char *value = line + length_key + 1;
if (strcasecmp(line, "message") == 0) {
g_free(pd->message);
pd->message = strlen(value) ? g_strdup(value) : NULL;
} else if (strcasecmp(line, "prompt") == 0) {
g_free(pd->prompt);
pd->prompt = g_strdup(value);
sw->display_name = pd->prompt;
} else if (strcasecmp(line, "markup-rows") == 0) {
pd->do_markup = (strcasecmp(value, "true") == 0);
} else if (strcasecmp(line, "urgent") == 0) {
parse_ranges(value, &(pd->urgent_list), &(pd->num_urgent_list));
} else if (strcasecmp(line, "active") == 0) {
parse_ranges(value, &(pd->active_list), &(pd->num_active_list));
} else if (strcasecmp(line, "delim") == 0) {
pd->delim = helper_parse_char(value);
} else if (strcasecmp(line, "no-custom") == 0) {
pd->no_custom = (strcasecmp(value, "true") == 0);
} else if (strcasecmp(line, "use-hot-keys") == 0) {
pd->use_hot_keys = (strcasecmp(value, "true") == 0);
} else if (strcasecmp(line, "keep-selection") == 0) {
pd->keep_selection = (strcasecmp(value, "true") == 0);
} else if (strcasecmp(line, "new-selection") == 0) {
pd->new_selection = (int64_t)g_ascii_strtoll(value, NULL, 0);
} else if (strcasecmp(line, "data") == 0) {
g_free(pd->data);
pd->data = g_strdup(value);
} else if (strcasecmp(line, "theme") == 0) {
if (rofi_theme_parse_string((const char *)value)) {
g_warning("Failed to parse: '%s'", value);
rofi_clear_error_messages();
}
}
}
}
static DmenuScriptEntry *execute_executor(Mode *sw, char *arg,
unsigned int *length, int value,
DmenuScriptEntry *entry) {
ScriptModePrivateData *pd = (ScriptModePrivateData *)sw->private_data;
int fd = -1;
GError *error = NULL;
DmenuScriptEntry *retv = NULL;
char **argv = NULL;
int argc = 0;
*length = 0;
// Reset these between runs.
pd->new_selection = -1;
pd->keep_selection = 0;
// Environment
char **env = g_get_environ();
char *str_value = g_strdup_printf("%d", value);
env = g_environ_setenv(env, "ROFI_RETV", str_value, TRUE);
g_free(str_value);
str_value = g_strdup_printf("%d", (int)getpid());
env = g_environ_setenv(env, "ROFI_OUTSIDE", str_value, TRUE);
g_free(str_value);
if (entry && entry->info) {
env = g_environ_setenv(env, "ROFI_INFO", entry->info, TRUE);
}
if (pd->data) {
env = g_environ_setenv(env, "ROFI_DATA", pd->data, TRUE);
}
if (g_shell_parse_argv(sw->ed, &argc, &argv, &error)) {
argv = g_realloc(argv, (argc + 2) * sizeof(char *));
argv[argc] = g_strdup(arg);
argv[argc + 1] = NULL;
g_spawn_async_with_pipes(NULL, argv, env, G_SPAWN_SEARCH_PATH, NULL, NULL,
NULL, NULL, &fd, NULL, &error);
}
g_strfreev(env);
if (error != NULL) {
char *msg = g_strdup_printf("Failed to execute: '%s'\nError: '%s'",
(char *)sw->ed, error->message);
rofi_view_error_dialog(msg, FALSE);
g_free(msg);
// print error.
g_error_free(error);
fd = -1;
}
if (fd >= 0) {
FILE *inp = fdopen(fd, "r");
if (inp) {
char *buffer = NULL;
size_t buffer_length = 0;
ssize_t read_length = 0;
size_t actual_size = 0;
while ((read_length = getdelim(&buffer, &buffer_length, pd->delim, inp)) >
0) {
// Filter out line-end.
if (buffer[read_length - 1] == pd->delim) {
buffer[read_length - 1] = '\0';
}
if (buffer[0] == '\0') {
parse_header_entry(sw, &buffer[1], read_length - 1);
} else {
if (actual_size < ((*length) + 2)) {
actual_size += 256;
retv = g_realloc(retv, (actual_size) * sizeof(DmenuScriptEntry));
}
if (retv) {
size_t buf_length = strlen(buffer) + 1;
#if GLIB_CHECK_VERSION(2, 68, 0)
retv[(*length)].entry = g_memdup2(buffer, buf_length);
#else
retv[(*length)].entry = g_memdup(buffer, buf_length);
#endif
retv[(*length)].icon_name = NULL;
retv[(*length)].meta = NULL;
retv[(*length)].info = NULL;
retv[(*length)].active = FALSE;
retv[(*length)].urgent = FALSE;
retv[(*length)].icon_fetch_uid = 0;
retv[(*length)].icon_fetch_size = 0;
retv[(*length)].nonselectable = FALSE;
if (buf_length > 0 && (read_length > (ssize_t)buf_length)) {
dmenuscript_parse_entry_extras(sw, &(retv[(*length)]),
buffer + buf_length,
read_length - buf_length);
}
retv[(*length) + 1].entry = NULL;
(*length)++;
}
}
}
if (buffer) {
free(buffer);
}
if (fclose(inp) != 0) {
g_warning("Failed to close stdout off executor script: '%s'",
g_strerror(errno));
}
}
}
g_strfreev(argv);
return retv;
}
static void script_switcher_free(Mode *sw) {
if (sw == NULL) {
return;
}
g_free(sw->name);
g_free(sw->ed);
g_free(sw);
}
static int script_mode_init(Mode *sw) {
if (sw->private_data == NULL) {
ScriptModePrivateData *pd = g_malloc0(sizeof(*pd));
pd->delim = '\n';
sw->private_data = (void *)pd;
pd->cmd_list = execute_executor(sw, NULL, &(pd->cmd_list_length), 0, NULL);
}
return TRUE;
}
static unsigned int script_mode_get_num_entries(const Mode *sw) {
const ScriptModePrivateData *rmpd =
(const ScriptModePrivateData *)sw->private_data;
return rmpd->cmd_list_length;
}
static void script_mode_reset_highlight(Mode *sw) {
ScriptModePrivateData *rmpd = (ScriptModePrivateData *)sw->private_data;
rmpd->num_urgent_list = 0;
g_free(rmpd->urgent_list);
rmpd->urgent_list = NULL;
rmpd->num_active_list = 0;
g_free(rmpd->active_list);
rmpd->active_list = NULL;
}
static ModeMode script_mode_result(Mode *sw, int mretv, char **input,
unsigned int selected_line) {
ScriptModePrivateData *rmpd = (ScriptModePrivateData *)sw->private_data;
ModeMode retv = MODE_EXIT;
DmenuScriptEntry *new_list = NULL;
unsigned int new_length = 0;
if ((mretv & MENU_CUSTOM_COMMAND)) {
if (rmpd->use_hot_keys) {
script_mode_reset_highlight(sw);
if (selected_line != UINT32_MAX) {
new_list = execute_executor(sw, rmpd->cmd_list[selected_line].entry,
&new_length, 10 + (mretv & MENU_LOWER_MASK),
&(rmpd->cmd_list[selected_line]));
} else {
if (rmpd->no_custom == FALSE) {
new_list = execute_executor(sw, *input, &new_length,
10 + (mretv & MENU_LOWER_MASK), NULL);
} else {
return RELOAD_DIALOG;
}
}
} else {
retv = (mretv & MENU_LOWER_MASK);
return retv;
}
} else if ((mretv & MENU_OK) && rmpd->cmd_list[selected_line].entry != NULL) {
if (rmpd->cmd_list[selected_line].nonselectable) {
return RELOAD_DIALOG;
}
script_mode_reset_highlight(sw);
new_list =
execute_executor(sw, rmpd->cmd_list[selected_line].entry, &new_length,
1, &(rmpd->cmd_list[selected_line]));
} else if ((mretv & MENU_CUSTOM_INPUT) && *input != NULL &&
*input[0] != '\0') {
if (rmpd->no_custom == FALSE) {
script_mode_reset_highlight(sw);
new_list = execute_executor(sw, *input, &new_length, 2, NULL);
} else {
return RELOAD_DIALOG;
}
}
// If a new list was generated, use that an loop around.
if (new_list != NULL) {
for (unsigned int i = 0; i < rmpd->cmd_list_length; i++) {
g_free(rmpd->cmd_list[i].entry);
g_free(rmpd->cmd_list[i].icon_name);
g_free(rmpd->cmd_list[i].meta);
}
g_free(rmpd->cmd_list);
rmpd->cmd_list = new_list;
rmpd->cmd_list_length = new_length;
if (rmpd->keep_selection) {
if (rmpd->new_selection >= 0 &&
rmpd->new_selection < rmpd->cmd_list_length) {
rofi_view_set_selected_line(rofi_view_get_active(),
rmpd->new_selection);
} else {
rofi_view_set_selected_line(rofi_view_get_active(), selected_line);
}
g_free(*input);
*input = NULL;
retv = RELOAD_DIALOG;
} else {
retv = RESET_DIALOG;
}
}
return retv;
}
static void script_mode_destroy(Mode *sw) {
ScriptModePrivateData *rmpd = (ScriptModePrivateData *)sw->private_data;
if (rmpd != NULL) {
for (unsigned int i = 0; i < rmpd->cmd_list_length; i++) {
g_free(rmpd->cmd_list[i].entry);
g_free(rmpd->cmd_list[i].icon_name);
g_free(rmpd->cmd_list[i].meta);
}
g_free(rmpd->cmd_list);
g_free(rmpd->message);
g_free(rmpd->prompt);
g_free(rmpd->data);
g_free(rmpd->urgent_list);
g_free(rmpd->active_list);
g_free(rmpd);
sw->private_data = NULL;
}
}
static inline unsigned int get_index(unsigned int length, int index) {
if (index >= 0) {
return index;
}
if (((unsigned int)-index) <= length) {
return length + index;
}
// Out of range.
return UINT_MAX;
}
static char *_get_display_value(const Mode *sw, unsigned int selected_line,
G_GNUC_UNUSED int *state,
G_GNUC_UNUSED GList **list, int get_entry) {
ScriptModePrivateData *pd = sw->private_data;
for (unsigned int i = 0; i < pd->num_active_list; i++) {
unsigned int start =
get_index(pd->cmd_list_length, pd->active_list[i].start);
unsigned int stop = get_index(pd->cmd_list_length, pd->active_list[i].stop);
if (selected_line >= start && selected_line <= stop) {
*state |= ACTIVE;
}
}
for (unsigned int i = 0; i < pd->num_urgent_list; i++) {
unsigned int start =
get_index(pd->cmd_list_length, pd->urgent_list[i].start);
unsigned int stop = get_index(pd->cmd_list_length, pd->urgent_list[i].stop);
if (selected_line >= start && selected_line <= stop) {
*state |= URGENT;
}
}
if ( pd->cmd_list[selected_line].urgent ) {
*state |= URGENT;
}
if ( pd->cmd_list[selected_line].active ) {
*state |= ACTIVE;
}
if (pd->do_markup) {
*state |= MARKUP;
}
return get_entry ? g_strdup(pd->cmd_list[selected_line].entry) : NULL;
}
static int script_token_match(const Mode *sw, rofi_int_matcher **tokens,
unsigned int index) {
ScriptModePrivateData *rmpd = sw->private_data;
int match = 1;
if (tokens) {
for (int j = 0; match && tokens[j] != NULL; j++) {
rofi_int_matcher *ftokens[2] = {tokens[j], NULL};
int test = 0;
test = helper_token_match(ftokens, rmpd->cmd_list[index].entry);
if (test == tokens[j]->invert && rmpd->cmd_list[index].meta) {
test = helper_token_match(ftokens, rmpd->cmd_list[index].meta);
}
if (test == 0) {
match = 0;
}
}
}
return match;
}
static char *script_get_message(const Mode *sw) {
ScriptModePrivateData *pd = sw->private_data;
return g_strdup(pd->message);
}
static cairo_surface_t *script_get_icon(const Mode *sw,
unsigned int selected_line,
unsigned int height) {
ScriptModePrivateData *pd =
(ScriptModePrivateData *)mode_get_private_data(sw);
g_return_val_if_fail(pd->cmd_list != NULL, NULL);
DmenuScriptEntry *dr = &(pd->cmd_list[selected_line]);
if (dr->icon_name == NULL) {
return NULL;
}
if (dr->icon_fetch_uid > 0 && dr->icon_fetch_size == height) {
return rofi_icon_fetcher_get(dr->icon_fetch_uid);
}
dr->icon_fetch_uid = rofi_icon_fetcher_query(dr->icon_name, height);
dr->icon_fetch_size = height;
return rofi_icon_fetcher_get(dr->icon_fetch_uid);
}
#include "mode-private.h"
/** Structure that holds a user script
* found in $config/rofi/scripts/
*/
typedef struct ScriptUser {
/** name of the script */
char *name;
/** path to the script. */
char *path;
} ScriptUser;
/** list of user_scripts. */
ScriptUser *user_scripts = NULL;
/** number of user scripts collected */
size_t num_scripts = 0;
void script_mode_cleanup(void) {
for (size_t i = 0; i < num_scripts; i++) {
g_free(user_scripts[i].name);
g_free(user_scripts[i].path);
}
g_free(user_scripts);
}
void script_mode_gather_user_scripts(void) {
const char *cpath = g_get_user_config_dir();
char *script_dir = g_build_filename(cpath, "rofi", "scripts", NULL);
if (g_file_test(script_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR) ==
FALSE) {
g_free(script_dir);
return;
}
GDir *sd = g_dir_open(script_dir, 0, NULL);
if (sd) {
const char *file = NULL;
while ((file = g_dir_read_name(sd)) != NULL) {
char *sp = g_build_filename(cpath, "rofi", "scripts", file, NULL);
user_scripts =
g_realloc(user_scripts, sizeof(ScriptUser) * (num_scripts + 1));
user_scripts[num_scripts].path = sp;
user_scripts[num_scripts].name = g_strdup(file);
char *dot = strrchr(user_scripts[num_scripts].name, '.');
if (dot) {
*dot = '\0';
}
num_scripts++;
}
}
g_free(script_dir);
}
static int script_mode_has_user_script(char const *const user) {
for (size_t i = 0; i < num_scripts; i++) {
if (g_strcmp0(user_scripts[i].name, user) == 0) {
return i;
}
}
return -1;
}
Mode *script_mode_parse_setup(const char *str) {
int ui = 0;
if ((ui = script_mode_has_user_script(str)) >= 0) {
Mode *sw = g_malloc0(sizeof(*sw));
sw->name = g_strdup(user_scripts[ui].name);
sw->ed = g_strdup(user_scripts[ui].path);
sw->free = script_switcher_free;
sw->_init = script_mode_init;
sw->_get_num_entries = script_mode_get_num_entries;
sw->_result = script_mode_result;
sw->_destroy = script_mode_destroy;
sw->_token_match = script_token_match;
sw->_get_message = script_get_message;
sw->_get_icon = script_get_icon;
sw->_get_completion = NULL, sw->_preprocess_input = NULL,
sw->_get_display_value = _get_display_value;
return sw;
}
Mode *sw = g_malloc0(sizeof(*sw));
unsigned int index = 0;
const char *const sep = ":";
char **tokens = g_strsplit(str, sep, 2);
if (tokens) {
index = g_strv_length(tokens);
sw->name = g_strdup(tokens[0]);
sw->ed = (void *)rofi_expand_path(tokens[1]);
g_strfreev(tokens);
}
if (index == 2) {
sw->free = script_switcher_free;
sw->_init = script_mode_init;
sw->_get_num_entries = script_mode_get_num_entries;
sw->_result = script_mode_result;
sw->_destroy = script_mode_destroy;
sw->_token_match = script_token_match;
sw->_get_message = script_get_message;
sw->_get_icon = script_get_icon;
sw->_get_completion = NULL, sw->_preprocess_input = NULL,
sw->_get_display_value = _get_display_value;
return sw;
}
fprintf(
stderr,
"The script command '%s' has %u options, but needs 2: <name>:<script>.",
str, index);
script_switcher_free(sw);
return NULL;
}
gboolean script_mode_is_valid(const char *token) {
if (script_mode_has_user_script(token) >= 0) {
return TRUE;
}
return strchr(token, ':') != NULL;
}
void script_user_list(gboolean is_term) {
for (unsigned int i = 0; i < num_scripts; i++) {
printf(" • %s%s%s (%s)\n", is_term ? (color_bold) : "",
user_scripts[i].name, is_term ? color_reset : "",
user_scripts[i].path);
}
}
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