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rofi/source/dialogs/combi.c
Dave Davenport 563dc8dafd Fix alternate separator
2017-03-31 20:57:42 +02:00

288 lines
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/**
* rofi
*
* MIT/X11 License
* Copyright 2013-2017 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 "settings.h"
#include "helper.h"
#include <dialogs/dialogs.h>
#include <pango/pango.h>
#include "mode-private.h"
#include <theme.h>
/**
* Combi Mode
*/
typedef struct
{
Mode *mode;
gboolean disable;
} CombiMode;
typedef struct
{
// List of (combined) entries.
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;
CombiMode *switchers;
} CombiModePrivateData;
static void combi_mode_parse_switchers ( Mode *sw )
{
CombiModePrivateData *pd = mode_get_private_data ( sw );
char *savept = NULL;
// Make a copy, as strtok will modify it.
char *switcher_str = g_strdup ( config.combi_modi );
const char * const sep = ",#";
// Split token on ','. This modifies switcher_str.
for ( char *token = strtok_r ( switcher_str, sep, &savept ); token != NULL;
token = strtok_r ( NULL, sep, &savept ) ) {
// Resize and add entry.
pd->switchers = (CombiMode *) g_realloc ( pd->switchers,
sizeof ( CombiMode ) * ( pd->num_switchers + 1 ) );
Mode *mode = rofi_collect_modi_search ( token );
if ( mode ) {
pd->switchers[pd->num_switchers].disable = FALSE;
pd->switchers[pd->num_switchers++].mode = mode;
}
else {
// If not build in, use custom switchers.
Mode *sw = script_switcher_parse_setup ( token );
if ( sw != NULL ) {
pd->switchers[pd->num_switchers].disable = FALSE;
pd->switchers[pd->num_switchers++].mode = sw;
}
else {
// Report error, don't continue.
fprintf ( stderr, "Invalid script switcher: %s\n", token );
token = NULL;
}
}
}
// Free string that was modified by strtok_r
g_free ( switcher_str );
}
static int combi_mode_init ( Mode *sw )
{
if ( mode_get_private_data ( sw ) == NULL ) {
CombiModePrivateData *pd = g_malloc0 ( sizeof ( *pd ) );
mode_set_private_data ( sw, (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++ ) {
if ( !mode_init ( pd->switchers[i].mode ) ) {
return FALSE;
}
}
if ( pd->cmd_list_length == 0 ) {
pd->cmd_list_length = 0;
for ( unsigned int i = 0; i < pd->num_switchers; i++ ) {
unsigned int length = mode_get_num_entries ( pd->switchers[i].mode );
pd->starts[i] = pd->cmd_list_length;
pd->lengths[i] = length;
pd->cmd_list_length += length;
}
}
}
return TRUE;
}
static unsigned int combi_mode_get_num_entries ( const Mode *sw )
{
const CombiModePrivateData *pd = (const CombiModePrivateData *) mode_get_private_data ( sw );
return pd->cmd_list_length;
}
static void combi_mode_destroy ( Mode *sw )
{
CombiModePrivateData *pd = (CombiModePrivateData *) mode_get_private_data ( sw );
if ( pd != NULL ) {
g_free ( pd->starts );
g_free ( pd->lengths );
// Cleanup switchers.
for ( unsigned int i = 0; i < pd->num_switchers; i++ ) {
mode_destroy ( pd->switchers[i].mode );
}
g_free ( pd->switchers );
g_free ( pd );
mode_set_private_data ( sw, NULL );
}
}
static ModeMode combi_mode_result ( Mode *sw, int mretv, char **input, unsigned int selected_line )
{
CombiModePrivateData *pd = mode_get_private_data ( sw );
if ( input[0][0] == '!' ) {
int switcher = -1;
char *eob = strchrnul ( input[0], ' ' );
ssize_t bang_len = g_utf8_pointer_to_offset ( input[0], eob ) - 1;
if ( bang_len > 0 ) {
for ( unsigned i = 0; switcher == -1 && i < pd->num_switchers; i++ ) {
const char *mode_name = mode_get_name ( pd->switchers[i].mode );
size_t mode_name_len = g_utf8_strlen ( mode_name, -1 );
if ( (size_t) bang_len <= mode_name_len && utf8_strncmp ( &input[0][1], mode_name, bang_len ) == 0 ) {
switcher = i;
}
}
}
if ( switcher >= 0 ) {
if ( eob[0] == ' ' ) {
char *n = eob + 1;
return mode_result ( pd->switchers[switcher].mode, mretv, &n,
selected_line - pd->starts[switcher] );
}
return MODE_EXIT;
}
}
if ( mretv & MENU_QUICK_SWITCH ) {
return mretv & MENU_LOWER_MASK;
}
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( selected_line >= pd->starts[i] &&
selected_line < ( pd->starts[i] + pd->lengths[i] ) ) {
return mode_result ( pd->switchers[i].mode, mretv, input, selected_line - pd->starts[i] );
}
}
return MODE_EXIT;
}
static int combi_mode_match ( const Mode *sw, GRegex **tokens, unsigned int index )
{
CombiModePrivateData *pd = mode_get_private_data ( sw );
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( pd->switchers[i].disable ) {
continue;
}
if ( index >= pd->starts[i] && index < ( pd->starts[i] + pd->lengths[i] ) ) {
return mode_token_match ( pd->switchers[i].mode, tokens, index - pd->starts[i] );
}
}
return 0;
}
static char * combi_mgrv ( const Mode *sw, unsigned int selected_line, int *state, GList **attr_list, int get_entry )
{
CombiModePrivateData *pd = mode_get_private_data ( sw );
if ( !get_entry ) {
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( selected_line >= pd->starts[i] && selected_line < ( pd->starts[i] + pd->lengths[i] ) ) {
mode_get_display_value ( pd->switchers[i].mode, selected_line - pd->starts[i], state, attr_list, FALSE );
return NULL;
}
}
return NULL;
}
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( selected_line >= pd->starts[i] && selected_line < ( pd->starts[i] + pd->lengths[i] ) ) {
char * str = mode_get_display_value ( pd->switchers[i].mode, selected_line - pd->starts[i], state, attr_list, TRUE );
const char *dname = mode_get_display_name ( pd->switchers[i].mode );
char * retv = g_strdup_printf ( "%s %s", dname, str );
g_free ( str );
if ( attr_list != NULL ) {
ThemeWidget *wid = rofi_theme_find_widget ( sw->name, NULL, TRUE );
Property *p = rofi_theme_find_property ( wid, P_COLOR, pd->switchers[i].mode->name, TRUE );
if ( p != NULL ) {
PangoAttribute *pa = pango_attr_foreground_new (
p->value.color.red * 65535,
p->value.color.green * 65535,
p->value.color.blue * 65535 );
pa->start_index = PANGO_ATTR_INDEX_FROM_TEXT_BEGINNING;
pa->end_index = strlen ( dname );
*attr_list = g_list_append ( *attr_list, pa );
}
}
return retv;
}
}
return NULL;
}
static char * combi_get_completion ( const Mode *sw, unsigned int index )
{
CombiModePrivateData *pd = mode_get_private_data ( sw );
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
if ( index >= pd->starts[i] && index < ( pd->starts[i] + pd->lengths[i] ) ) {
char *comp = mode_get_completion ( pd->switchers[i].mode, index - pd->starts[i] );
char *mcomp = g_strdup_printf ( "!%s %s", mode_get_name ( pd->switchers[i].mode ), comp );
g_free ( comp );
return mcomp;
}
}
// Should never get here.
g_error ( "Failure, could not resolve sub-switcher." );
return NULL;
}
static char * combi_preprocess_input ( Mode *sw, const char *input )
{
CombiModePrivateData *pd = mode_get_private_data ( sw );
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
pd->switchers[i].disable = FALSE;
}
if ( input != NULL && input[0] == '!' ) {
char *eob = strchrnul ( input, ' ' );
ssize_t bang_len = g_utf8_pointer_to_offset ( input, eob ) - 1;
if ( bang_len > 0 ) {
for ( unsigned i = 0; i < pd->num_switchers; i++ ) {
const char *mode_name = mode_get_name ( pd->switchers[i].mode );
size_t mode_name_len = g_utf8_strlen ( mode_name, -1 );
if ( !( (size_t) bang_len <= mode_name_len && utf8_strncmp ( &input[1], mode_name, bang_len ) == 0 ) ) {
// No match.
pd->switchers[i].disable = TRUE;
}
}
if ( eob[0] == '\0' || eob[1] == '\0' ) {
return NULL;
}
return g_strdup ( eob + 1 );
}
}
return g_strdup ( input );
}
Mode combi_mode =
{
.name = "combi",
.cfg_name_key = "display-combi",
._init = combi_mode_init,
._get_num_entries = combi_mode_get_num_entries,
._result = combi_mode_result,
._destroy = combi_mode_destroy,
._token_match = combi_mode_match,
._get_completion = combi_get_completion,
._get_display_value = combi_mgrv,
._preprocess_input = combi_preprocess_input,
.private_data = NULL,
.free = NULL
};
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