rofi/source/dialogs/combi.c

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/**
* rofi
*
* MIT/X11 License
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* Copyright 2013-2015 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.
*
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <rofi.h>
#include <dialogs/run.h>
#include <dialogs/ssh.h>
#include <dialogs/window.h>
#include <dialogs/script.h>
/**
* Combi Switcher
*/
typedef struct _CombiModePrivateData
{
// List of (combined) entries.
char **cmd_list;
unsigned int cmd_list_length;
// List to validate where each switcher starts.
unsigned int *starts;
unsigned int *lengths;
// List of switchers to combine.
unsigned int num_switchers;
Switcher **switchers;
char *cache;
} CombiModePrivateData;
static void combi_mode_parse_switchers ( Switcher *sw )
{
CombiModePrivateData *pd = sw->private_data;
char *savept = NULL;
// Make a copy, as strtok will modify it.
char *switcher_str = g_strdup ( config.combi_modi );
// Split token on ','. This modifies switcher_str.
for ( char *token = strtok_r ( switcher_str, ",", &savept );
token != NULL;
token = strtok_r ( NULL, ",", &savept ) ) {
// Resize and add entry.
pd->switchers = (Switcher * *) g_realloc ( pd->switchers,
sizeof ( Switcher* ) * ( pd->num_switchers + 1 ) );
// Window switcher.
if ( strcasecmp ( token, "window" ) == 0 ) {
pd->switchers[pd->num_switchers++] = &window_mode;
}
// SSh dialog
else if ( strcasecmp ( token, "ssh" ) == 0 ) {
pd->switchers[pd->num_switchers++] = &ssh_mode;
}
// Run dialog
else if ( strcasecmp ( token, "run" ) == 0 ) {
pd->switchers[pd->num_switchers++] = &run_mode;
}
else {
// If not build in, use custom switchers.
Switcher *sw = script_switcher_parse_setup ( token );
if ( sw != NULL ) {
pd->switchers[pd->num_switchers++] = sw;
}
else{
// Report error, don't continue.
fprintf ( stderr, "Invalid script switcher: %s\n", token );
token = NULL;
}
}
// Keybinding.
}
// Free string that was modified by strtok_r
g_free ( switcher_str );
}
static void combi_mode_init ( Switcher *sw )
{
if ( sw->private_data == NULL ) {
CombiModePrivateData *pd = g_malloc0 ( sizeof ( *pd ) );
sw->private_data = (void *) pd;
combi_mode_parse_switchers ( sw );
pd->starts = g_malloc0 ( sizeof ( int ) * pd->num_switchers );
pd->lengths = g_malloc0 ( sizeof ( int ) * pd->num_switchers );
for ( unsigned int i = 0; i < pd->num_switchers; i++ ) {
pd->switchers[i]->init ( pd->switchers[i] );
}
}
}
static char ** combi_mode_get_data ( unsigned int *length, Switcher *sw )
{
CombiModePrivateData *pd = sw->private_data;
if ( pd->cmd_list == NULL ) {
pd->cmd_list_length = 0;
for ( unsigned int i = 0; i < pd->num_switchers; i++ ) {
unsigned int length = 0;
pd->switchers[i]->get_data ( &length, pd->switchers[i] );
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pd->starts[i] = pd->cmd_list_length;
pd->lengths[i] = length;
pd->cmd_list_length += length;
}
// Fill the list.
pd->cmd_list = g_malloc0 ( ( pd->cmd_list_length + 1 ) * sizeof ( char* ) );
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
unsigned int length = 0;
char **retv = pd->switchers[i]->get_data ( &length, pd->switchers[i] );
for ( unsigned int j = 0; j < length; j++ ) {
pd->cmd_list[j + pd->starts[i]] = retv[j];
}
}
}
*length = pd->cmd_list_length;
return pd->cmd_list;
}
static void combi_mode_destroy ( Switcher *sw )
{
CombiModePrivateData *pd = (CombiModePrivateData *) sw->private_data;
if ( pd != NULL ) {
g_free ( pd->cmd_list );
g_free ( pd->starts );
g_free ( pd->lengths );
// Cleanup switchers.
for ( unsigned int i = 0; i < pd->num_switchers; i++ ) {
pd->switchers[i]->destroy ( pd->switchers[i] );
}
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g_free ( pd->switchers );
g_free ( pd );
g_free ( pd->cache );
sw->private_data = NULL;
}
}
static SwitcherMode combi_mode_result ( int mretv, char **input, unsigned int selected_line, Switcher *sw )
{
CombiModePrivateData *pd = sw->private_data;
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( selected_line >= pd->starts[i] &&
selected_line < ( pd->starts[i] + pd->lengths[i] ) ) {
return pd->switchers[i]->result ( mretv,
input,
selected_line - pd->starts[i],
pd->switchers[i] );
}
}
return MODE_EXIT;
}
static int combi_mode_match ( char **tokens, const char *input,
int case_sensitive, unsigned int index, Switcher *sw )
{
CombiModePrivateData *pd = sw->private_data;
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( index >= pd->starts[i] && index < ( pd->starts[i] + pd->lengths[i] ) ) {
return pd->switchers[i]->token_match ( tokens,
input,
case_sensitive,
index - pd->starts[i],
pd->switchers[i] );
}
}
abort ();
return 0;
}
static const char * combi_mgrv ( unsigned int selected_line, void *sw, int *state )
{
CombiModePrivateData *pd = ( (Switcher *) sw )->private_data;
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( selected_line >= pd->starts[i] && selected_line < ( pd->starts[i] + pd->lengths[i] ) ) {
g_free ( pd->cache );
pd->cache = g_strdup_printf ( "(%s) %s",
pd->switchers[i]->name,
pd->switchers[i]->mgrv ( selected_line - pd->starts[i], (void *) pd->switchers[i], state ) );
return pd->cache;
}
}
return NULL;
}
Switcher combi_mode =
{
.name = "combi",
.tb = NULL,
.keycfg = NULL,
.keystr = NULL,
.modmask = AnyModifier,
.init = combi_mode_init,
.get_data = combi_mode_get_data,
.result = combi_mode_result,
.destroy = combi_mode_destroy,
.token_match = combi_mode_match,
.mgrv = combi_mgrv,
.private_data = NULL,
.free = NULL
};