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rofi/source/dialogs/filebrowser.c
Dave Davenport f69f8fcb7b Cleanup code documentation.
2021-05-05 21:53:29 +02:00

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/**
* rofi-file_browser
*
* MIT/X11 License
* Copyright (c) 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 <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <gmodule.h>
#include <gio/gio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include "mode.h"
#include "helper.h"
#include "mode-private.h"
#include "dialogs/filebrowser.h"
#include "rofi.h"
#include "history.h"
#include <stdint.h>
#include "rofi-icon-fetcher.h"
#define FILEBROWSER_CACHE_FILE "rofi3.filebrowsercache"
/**
* The internal data structure holding the private data of the TEST Mode.
*/
enum FBFileType
{
UP,
DIRECTORY,
RFILE,
NUM_FILE_TYPES,
};
/** Icons to use for the file type */
const char *icon_name[NUM_FILE_TYPES] =
{
"go-up",
"folder",
"gtk-file"
};
typedef struct
{
char *name;
char *path;
enum FBFileType type;
uint32_t icon_fetch_uid;
gboolean link;
} FBFile;
typedef struct
{
GFile *current_dir;
FBFile *array;
unsigned int array_length;
} FileBrowserModePrivateData;
static void free_list ( FileBrowserModePrivateData *pd )
{
for ( unsigned int i = 0; i < pd->array_length; i++ ) {
FBFile *fb = &( pd->array[i] );
g_free ( fb->name );
g_free ( fb->path );
}
g_free ( pd->array );
pd->array = NULL;
pd->array_length = 0;
}
#include <sys/types.h>
#include <dirent.h>
static gint compare ( gconstpointer a, gconstpointer b, G_GNUC_UNUSED gpointer data )
{
FBFile *fa = (FBFile*) a;
FBFile *fb = (FBFile*) b;
if ( fa->type != fb->type ) {
return fa->type - fb->type;
}
return g_strcmp0 ( fa->name, fb->name );
}
static void get_file_browser ( Mode *sw )
{
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
/**
* Get the entries to display.
* this gets called on plugin initialization.
*/
char *cdir = g_file_get_path ( pd->current_dir );
DIR *dir = opendir ( cdir );
if ( dir ) {
struct dirent *rd = NULL;
while ( ( rd = readdir ( dir ) ) != NULL ) {
if ( g_strcmp0 ( rd->d_name, ".." ) == 0 ) {
pd->array = g_realloc ( pd->array, ( pd->array_length + 1 ) * sizeof ( FBFile ) );
// Rofi expects utf-8, so lets convert the filename.
pd->array[pd->array_length].name = g_strdup ( ".." );
pd->array[pd->array_length].path = NULL;
pd->array[pd->array_length].type = UP;
pd->array[pd->array_length].icon_fetch_uid = 0;
pd->array[pd->array_length].link = FALSE;
pd->array_length++;
continue;
}
else if ( rd->d_name[0] == '.' ) {
continue;
}
switch ( rd->d_type )
{
case DT_BLK:
case DT_CHR:
case DT_FIFO:
case DT_UNKNOWN:
case DT_SOCK:
default:
break;
case DT_REG:
case DT_DIR:
pd->array = g_realloc ( pd->array, ( pd->array_length + 1 ) * sizeof ( FBFile ) );
// Rofi expects utf-8, so lets convert the filename.
pd->array[pd->array_length].name = g_filename_to_utf8 ( rd->d_name, -1, NULL, NULL, NULL );
pd->array[pd->array_length].path = g_build_filename ( cdir, rd->d_name, NULL );
pd->array[pd->array_length].type = ( rd->d_type == DT_DIR ) ? DIRECTORY : RFILE;
pd->array[pd->array_length].icon_fetch_uid = 0;
pd->array[pd->array_length].link = FALSE;
pd->array_length++;
break;
case DT_LNK:
pd->array = g_realloc ( pd->array, ( pd->array_length + 1 ) * sizeof ( FBFile ) );
// Rofi expects utf-8, so lets convert the filename.
pd->array[pd->array_length].name = g_filename_to_utf8 ( rd->d_name, -1, NULL, NULL, NULL );
pd->array[pd->array_length].path = g_build_filename ( cdir, rd->d_name, NULL );
pd->array[pd->array_length].icon_fetch_uid = 0;
pd->array[pd->array_length].link = TRUE;
// Default to file.
pd->array[pd->array_length].type = RFILE;
{
// If we have link, use a stat to fine out what it is, if we fail, we mark it as file.
// TODO have a 'broken link' mode?
// Convert full path to right encoding.
char *file = g_filename_from_utf8 ( pd->array[pd->array_length].path, -1, NULL, NULL, NULL );
if ( file ) {
struct stat statbuf;
if ( stat ( file, &statbuf ) == 0 ) {
if ( S_ISDIR ( statbuf.st_mode ) ) {
pd->array[pd->array_length].type = DIRECTORY;
}
else if ( S_ISREG ( statbuf.st_mode ) ) {
pd->array[pd->array_length].type = RFILE;
}
}
else {
g_warning ( "Failed to stat file: %s, %s", file, strerror ( errno ) );
}
g_free ( file );
}
}
pd->array_length++;
break;
}
}
closedir ( dir );
}
g_qsort_with_data ( pd->array, pd->array_length, sizeof ( FBFile ), compare, NULL );
}
static int file_browser_mode_init ( Mode *sw )
{
/**
* Called on startup when enabled (in modi list)
*/
if ( mode_get_private_data ( sw ) == NULL ) {
FileBrowserModePrivateData *pd = g_malloc0 ( sizeof ( *pd ) );
mode_set_private_data ( sw, (void *) pd );
{
char *path = g_build_filename ( cache_dir, FILEBROWSER_CACHE_FILE, NULL );
char *file = NULL;
if ( g_file_get_contents ( path, &file, NULL, NULL ) ) {
if ( g_file_test ( file, G_FILE_TEST_IS_DIR ) ) {
pd->current_dir = g_file_new_for_path ( file );
}
g_free ( file );
}
// Store it based on the unique identifiers (desktop_id).
g_free ( path );
if ( pd->current_dir == NULL ) {
pd->current_dir = g_file_new_for_path ( g_get_home_dir () );
}
}
// Load content.
get_file_browser ( sw );
}
return TRUE;
}
static unsigned int file_browser_mode_get_num_entries ( const Mode *sw )
{
const FileBrowserModePrivateData *pd = (const FileBrowserModePrivateData *) mode_get_private_data ( sw );
return pd->array_length;
}
static ModeMode file_browser_mode_result ( Mode *sw, int mretv, char **input, unsigned int selected_line )
{
ModeMode retv = MODE_EXIT;
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
if ( mretv & MENU_NEXT ) {
retv = NEXT_DIALOG;
}
else if ( mretv & MENU_PREVIOUS ) {
retv = PREVIOUS_DIALOG;
}
else if ( mretv & MENU_QUICK_SWITCH ) {
retv = ( mretv & MENU_LOWER_MASK );
} else if ( mretv & MENU_CUSTOM_COMMAND ) {
retv = ( mretv & MENU_LOWER_MASK );
} else if ( ( mretv & MENU_OK ) ) {
if ( selected_line < pd->array_length ) {
if ( pd->array[selected_line].type == UP ) {
GFile *new = g_file_get_parent ( pd->current_dir );
if ( new ) {
g_object_unref ( pd->current_dir );
pd->current_dir = new;
free_list ( pd );
get_file_browser ( sw );
return RESET_DIALOG;
}
}
else if ( pd->array[selected_line].type == DIRECTORY ) {
char *path = g_build_filename ( cache_dir, FILEBROWSER_CACHE_FILE, NULL );
g_file_set_contents ( path, pd->array[selected_line].path, -1, NULL );
g_free ( path );
GFile *new = g_file_new_for_path ( pd->array[selected_line].path );
g_object_unref ( pd->current_dir );
pd->current_dir = new;
free_list ( pd );
get_file_browser ( sw );
return RESET_DIALOG;
}
else if ( pd->array[selected_line].type == RFILE ) {
char *d = g_filename_from_utf8 ( pd->array[selected_line].path, -1, NULL, NULL, NULL );
char *cmd = g_strdup_printf ( "xdg-open '%s'", d );
g_free ( d );
char *cdir = g_file_get_path ( pd->current_dir );
helper_execute_command ( cdir, cmd, FALSE, NULL );
g_free ( cdir );
g_free ( cmd );
return MODE_EXIT;
}
}
retv = RELOAD_DIALOG;
}
else if ( ( mretv & MENU_CUSTOM_INPUT ) && *input ) {
char *p = rofi_expand_path ( *input );
char *dir = g_filename_from_utf8 ( p, -1, NULL, NULL, NULL );
g_free ( p );
if ( g_file_test ( dir, G_FILE_TEST_EXISTS ) ) {
if ( g_file_test ( dir, G_FILE_TEST_IS_DIR ) ) {
g_object_unref ( pd->current_dir );
pd->current_dir = g_file_new_for_path ( dir );
g_free ( dir );
free_list ( pd );
get_file_browser ( sw );
return RESET_DIALOG;
}
}
g_free ( dir );
retv = RELOAD_DIALOG;
}
else if ( ( mretv & MENU_ENTRY_DELETE ) == MENU_ENTRY_DELETE ) {
retv = RELOAD_DIALOG;
}
return retv;
}
static void file_browser_mode_destroy ( Mode *sw )
{
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
if ( pd != NULL ) {
g_object_unref ( pd->current_dir );
free_list ( pd );
g_free ( pd );
mode_set_private_data ( sw, NULL );
}
}
static char *_get_display_value ( const Mode *sw, unsigned int selected_line, G_GNUC_UNUSED int *state, G_GNUC_UNUSED GList **attr_list, int get_entry )
{
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
// Only return the string if requested, otherwise only set state.
if ( !get_entry ) {
return NULL;
}
if ( pd->array[selected_line].type == UP ) {
return g_strdup ( " .." );
}
else {
if ( pd->array[selected_line].link ) {
return g_strconcat ( "@", pd->array[selected_line].name, NULL );
}
else {
return g_strdup ( pd->array[selected_line].name );
}
}
return g_strdup ( "n/a" );
}
/**
* @param sw The mode object.
* @param tokens The tokens to match against.
* @param index The index in this plugin to match against.
*
* Match the entry.
*
* @returns try when a match.
*/
static int file_browser_token_match ( const Mode *sw, rofi_int_matcher **tokens, unsigned int index )
{
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
// Call default matching function.
return helper_token_match ( tokens, pd->array[index].name );
}
static cairo_surface_t *_get_icon ( const Mode *sw, unsigned int selected_line, int height )
{
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
g_return_val_if_fail ( pd->array != NULL, NULL );
FBFile *dr = &( pd->array[selected_line] );
if ( dr->icon_fetch_uid > 0 ) {
return rofi_icon_fetcher_get ( dr->icon_fetch_uid );
}
if ( rofi_icon_fetcher_file_is_image ( dr->path ) ) {
dr->icon_fetch_uid = rofi_icon_fetcher_query ( dr->path, height );
}
else {
dr->icon_fetch_uid = rofi_icon_fetcher_query ( icon_name[dr->type], height );
}
return rofi_icon_fetcher_get ( dr->icon_fetch_uid );
}
static char * _get_message ( const Mode *sw )
{
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
if ( pd->current_dir ) {
char *dirname = g_file_get_parse_name ( pd->current_dir );
char *str = g_markup_printf_escaped ( "<b>Current directory:</b> %s", dirname );
g_free ( dirname );
return str;
}
return "n/a";
}
static char *_get_completion ( const Mode *sw, unsigned int index )
{
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
char *d = g_strescape ( pd->array[index].path, NULL );
return d;
}
Mode *create_new_file_browser ( void )
{
Mode *sw = g_malloc0 ( sizeof ( Mode ) );
*sw = file_browser_mode;
sw->private_data = NULL;
return sw;
}
#if 0
ModeMode file_browser_mode_completer ( Mode *sw, int mretv, char **input, unsigned int selected_line, char **path )
{
ModeMode retv = MODE_EXIT;
FileBrowserModePrivateData *pd = (FileBrowserModePrivateData *) mode_get_private_data ( sw );
if ( mretv & MENU_NEXT ) {
retv = NEXT_DIALOG;
}
else if ( mretv & MENU_PREVIOUS ) {
retv = PREVIOUS_DIALOG;
}
else if ( mretv & MENU_QUICK_SWITCH ) {
retv = ( mretv & MENU_LOWER_MASK );
}
else if ( ( mretv & MENU_OK ) ) {
if ( selected_line < pd->array_length ) {
if ( pd->array[selected_line].type == UP ) {
GFile *new = g_file_get_parent ( pd->current_dir );
if ( new ) {
g_object_unref ( pd->current_dir );
pd->current_dir = new;
free_list ( pd );
get_file_browser ( sw );
return RESET_DIALOG;
}
}
else if ( pd->array[selected_line].type == DIRECTORY ) {
GFile *new = g_file_new_for_path ( pd->array[selected_line].path );
g_object_unref ( pd->current_dir );
pd->current_dir = new;
free_list ( pd );
get_file_browser ( sw );
return RESET_DIALOG;
}
else if ( pd->array[selected_line].type == RFILE ) {
*path = g_strescape ( pd->array[selected_line].path, NULL );
return MODE_EXIT;
}
}
retv = RELOAD_DIALOG;
}
else if ( ( mretv & MENU_CUSTOM_INPUT ) && *input ) {
char *p = rofi_expand_path ( *input );
char *dir = g_filename_from_utf8 ( p, -1, NULL, NULL, NULL );
g_free ( p );
if ( g_file_test ( dir, G_FILE_TEST_EXISTS ) ) {
if ( g_file_test ( dir, G_FILE_TEST_IS_DIR ) ) {
g_object_unref ( pd->current_dir );
pd->current_dir = g_file_new_for_path ( dir );
g_free ( dir );
free_list ( pd );
get_file_browser ( sw );
return RESET_DIALOG;
}
}
g_free ( dir );
retv = RELOAD_DIALOG;
}
else if ( ( mretv & MENU_ENTRY_DELETE ) == MENU_ENTRY_DELETE ) {
retv = RELOAD_DIALOG;
}
return retv;
}
#endif
Mode file_browser_mode =
{
.display_name = NULL,
.abi_version = ABI_VERSION,
.name = "file-browser",
.cfg_name_key = "display-file_browser",
._init = file_browser_mode_init,
._get_num_entries = file_browser_mode_get_num_entries,
._result = file_browser_mode_result,
._destroy = file_browser_mode_destroy,
._token_match = file_browser_token_match,
._get_display_value = _get_display_value,
._get_icon = _get_icon,
._get_message = _get_message,
._get_completion = _get_completion,
._preprocess_input = NULL,
.private_data = NULL,
.free = NULL,
};
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