401 lines
15 KiB
C
401 lines
15 KiB
C
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// file browser for nuklear, based on https://github.com/vurtun/nuklear/blob/master/example/file_browser.c (public domain)
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// - rlyeh, public domain
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//
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// changelog:
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// - ported to FWK api
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// - namespaced symbols
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// - diverse win32 fixes
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// - adaptive cols/rows
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// - removed nk_begin()/nk_end() pairs
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// - dangling nk_group_begin/end() pairs
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// - simplified file<->media_group concept
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// - minor cosmetics
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#ifdef _WIN32
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#include <direct.h> // _getcwd()
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#else
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#include <unistd.h> // getcwd()
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#include <pwd.h> // getpwuid()
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#endif
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#if 1
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#define BROWSER_PRINTF(...) do {} while(0)
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#else
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#define BROWSER_PRINTF printf
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#endif
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enum browser_groups {
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BROWSER_FOLDER,
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BROWSER_HOME,
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BROWSER_DESKTOP,
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BROWSER_COMPUTER,
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BROWSER_PROJECT,
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BROWSER_MAXFOLDERS,
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BROWSER_MAXTYPES = 64,
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};
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struct browser_media_group {
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unsigned icon;
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const char *extensions;
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};
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struct browser_media {
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int font;
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int icon_sheet;
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struct nk_image custom_folders[BROWSER_MAXFOLDERS];
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struct nk_image custom_files[BROWSER_MAXTYPES];
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struct browser_media_group group[BROWSER_MAXTYPES];
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} media = {0};
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void browser_config_dir(struct nk_image icon, unsigned counter) {
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if( counter < BROWSER_MAXFOLDERS ) {
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media.custom_folders[ counter ] = icon;
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}
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}
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void browser_config_type(struct nk_image icon, const char *extensions) {
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static int counter = 0;
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if( counter < BROWSER_MAXTYPES ) {
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media.custom_files[ counter ] = icon;
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media.group[ counter ].icon = counter;
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media.group[ counter ].extensions = extensions;
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++counter;
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}
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}
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#define BROWSER_MAX_PATH 512
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struct browser {
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/* path */
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char file[BROWSER_MAX_PATH]; // selection
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char directory[BROWSER_MAX_PATH]; // current cwd while browsing
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char home[BROWSER_MAX_PATH];
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char desktop[BROWSER_MAX_PATH];
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char computer[BROWSER_MAX_PATH];
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char project[BROWSER_MAX_PATH]; // cwd when first invoked
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/* directory content */
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array(char*) files;
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array(char*) directories;
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size_t file_count;
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size_t dir_count;
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/* view mode */
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bool listing;
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float zooming;
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};
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static struct nk_image* media_icon_for_file(const char *file) {
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/* extract extension .xxx from file */
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char *ext = strrchr(file, '.');
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if( ext && strlen(ext) < 16 ) {
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char ext_dot[16+1];
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snprintf(ext_dot, 16, "%s.", ext);
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/* check for all file definition of all groups for fitting extension. skip first group (default) */
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for (int i = 1; i < BROWSER_MAXTYPES && media.group[i].extensions; ++i) {
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if( strstri(media.group[i].extensions, ext_dot) ) {
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return &media.custom_files[ media.group[i].icon ];
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}
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}
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}
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// return first (default) group
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return &media.custom_files[0];
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}
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static void browser_reload_directory_content(struct browser *browser, const char *path) {
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if(path[0] == '\0') path = va("./");
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if(!strend(path, "/")) path = va("%s/", path);
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for(int i = 0; i < array_count(browser->files); ++i) FREE(browser->files[i]);
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for(int i = 0; i < array_count(browser->directories); ++i) FREE(browser->directories[i]);
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array_resize(browser->files, 0);
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array_resize(browser->directories, 0);
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BROWSER_PRINTF("searching at %s\n", path);
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const char **list = file_list(path, "*");
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for( int i = 0; list[i]; ++i ) {
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char *absolute = file_pathabs(ifndef(win32, list[i], va("%s/%s", path, list[i]))); // ../dir/./file.ext -> c:/prj/dir/file.ext
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BROWSER_PRINTF("%s->%s %d->", list[i], absolute, file_directory(absolute) );
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if( file_directory(absolute) ) {
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// remove last '/' if present. ok to overwrite absolute var, file_*() API returns writeable strings.
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char *dir = absolute; if( dir[ strlen(dir) - 1 ] == '/' ) dir[ strlen(dir) - 1 ] = '\0';
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dir = file_name(dir); // /home/rlyeh/prj/fwk/art -> art
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BROWSER_PRINTF("%s\n", dir);
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if( dir[0] != '.' ) // skip special files, folders and internal files like .git or .art.zip
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array_push(browser->directories, STRDUP(dir));
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} else {
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const char *fname = file_name(absolute);
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BROWSER_PRINTF("%s\n", fname);
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if( fname[0] != '.' ) // skip special files, folders and internal files like .git or .art.zip
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array_push(browser->files, STRDUP(fname));
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}
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}
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browser->file_count = array_count(browser->files);
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browser->dir_count = array_count(browser->directories);
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}
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static void browser_chdir_and_reload_directory_content(struct browser *browser, const char *path) {
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if( path != browser->directory ) strncpy(browser->directory, path, BROWSER_MAX_PATH);
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browser_reload_directory_content(browser, path);
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}
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static void browser_init(struct browser *browser) {
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memset(browser, 0, sizeof(*browser));
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{
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/* load files and sub-directory list */
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const char *home = getenv("HOME");
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#ifdef _WIN32
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if (!home) home = getenv("USERPROFILE");
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#else
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if (!home) home = getpwuid(getuid())->pw_dir;
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#endif
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snprintf(browser->home, BROWSER_MAX_PATH, "%s/", home);
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snprintf(browser->desktop, BROWSER_MAX_PATH, "%s/Desktop/", home);
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snprintf(browser->computer, BROWSER_MAX_PATH, "%s", ifdef(win32, va("%.*s", 3, getenv("windir")), "/"));
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{
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ifdef(win32, _getcwd, getcwd)(browser->project, sizeof(browser->project) - 1); // -1 == room for '/'
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strcat(browser->project, "/");
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}
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BROWSER_PRINTF("%s\n", browser->home);
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BROWSER_PRINTF("%s\n", browser->desktop);
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BROWSER_PRINTF("%s\n", browser->computer);
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BROWSER_PRINTF("%s\n", browser->project);
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browser_chdir_and_reload_directory_content(browser, browser->project);
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}
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}
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static void browser_free(struct browser *browser) {
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for(int i = 0; i < array_count(browser->files); ++i) FREE(browser->files[i]);
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for(int i = 0; i < array_count(browser->directories); ++i) FREE(browser->directories[i]);
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array_free(browser->files);
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array_free(browser->directories);
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memset(browser, 0, sizeof(*browser));
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}
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static int browser_run(struct nk_context *ctx, struct browser *browser, int windowed, struct nk_rect total_space) {
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int clicked = 0;
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static float ratio[] = {0.25f, NK_UNDEFINED};
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float spacing_x = ctx->style.window.spacing.x;
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/* output path directory selector in the menubar */
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ctx->style.window.spacing.x = 0;
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if( windowed ) nk_menubar_begin(ctx);
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{
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char *d = browser->directory;
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#ifdef _WIN32
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char *begin = d;
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#else
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char *begin = d + 1;
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#endif
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nk_layout_row_template_begin(ctx, 25);
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nk_layout_row_template_push_variable(ctx, 40);
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nk_layout_row_template_push_variable(ctx, 40);
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nk_layout_row_template_push_variable(ctx, 40);
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nk_layout_row_template_end(ctx);
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if (nk_button_label(ctx, !browser->listing ? ICON_MD_LIST : ICON_MD_GRID_VIEW)) {
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browser->listing ^= 1;
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}
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while (*d++) {
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if (*d == '/') {
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*d = '\0';
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if (nk_button_label(ctx, va("%s" ICON_MD_ARROW_RIGHT, file_name(begin)))) {
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*d++ = '/'; *d = '\0';
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browser_chdir_and_reload_directory_content(browser, browser->directory);
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break;
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}
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*d = '/';
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begin = d + 1;
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}
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}
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}
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if( windowed ) nk_menubar_end(ctx);
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ctx->style.window.spacing.x = spacing_x;
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if(nk_window_has_focus(ctx))
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browser->zooming = clampf( browser->zooming + input_diff(MOUSE_W) * 0.1, 1, 3);
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bool compact = 0, tiny = browser->listing; // compact, no left panel. tiny, no large icons
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size_t cols = total_space.w / (100 * browser->zooming);
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int icon_height = (67 * browser->zooming) * (tiny ? 0.33 : 1.); // icon height (96) + button padding (??). originally: 135
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/**/ if( tiny ) cols = (int)cols+1.5, cols /= 2, compact = total_space.w < 500; // cols <= 2;
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else cols = (int)cols+1, compact = total_space.w < 500; // cols <= 5;
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if( cols < 1 ) cols=1;
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/* window layout */
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nk_layout_row(ctx, NK_DYNAMIC, total_space.h, compact ? 1 : 2, compact ? ratio+1 : ratio);
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if( !compact )
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if( nk_group_begin(ctx, "Special", NK_WINDOW_NO_SCROLLBAR) ) {
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nk_layout_row_dynamic(ctx, 40, 1);
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if (nk_button_image_label(ctx,media.custom_folders[BROWSER_HOME],"Home",NK_TEXT_RIGHT))
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browser_chdir_and_reload_directory_content(browser, browser->home);
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if (nk_button_image_label(ctx,media.custom_folders[BROWSER_DESKTOP],"Desktop",NK_TEXT_RIGHT))
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browser_chdir_and_reload_directory_content(browser, browser->desktop);
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if (nk_button_image_label(ctx,media.custom_folders[BROWSER_COMPUTER],"Computer",NK_TEXT_RIGHT))
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browser_chdir_and_reload_directory_content(browser, browser->computer);
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if (nk_button_image_label(ctx,media.custom_folders[BROWSER_PROJECT],"Project",NK_TEXT_RIGHT))
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browser_chdir_and_reload_directory_content(browser, browser->project);
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nk_group_end(ctx);
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}
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/* output directory content window */
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if(nk_group_begin(ctx, "Content", windowed ? NK_WINDOW_NO_SCROLLBAR : 0)) {
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int index = -1;
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size_t i = 0, j = 0, k = 0;
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size_t rows = 0;
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size_t count = browser->dir_count + browser->file_count;
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rows = count / cols;
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for (i = 0; i <= rows; i += 1) {
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if(!tiny)
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{size_t n = j + cols;
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nk_layout_row_dynamic(ctx, icon_height, (int)cols);
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for (; j < count && j < n; ++j) {
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/* draw one row of icons */
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if (j < browser->dir_count) {
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/* draw and execute directory buttons */
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if (nk_button_image(ctx,media.custom_folders[BROWSER_FOLDER]))
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index = (int)j;
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} else {
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/* draw and execute files buttons */
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struct nk_image *icon;
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size_t fileIndex = ((size_t)j - browser->dir_count);
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icon = media_icon_for_file(browser->files[fileIndex]);
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if (nk_button_image(ctx, *icon)) {
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snprintf(browser->file, BROWSER_MAX_PATH, "%s%s", browser->directory, browser->files[fileIndex]);
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clicked = 1;
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}
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}
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}}
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if(!tiny)
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{size_t n = k + cols;
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nk_layout_row_dynamic(ctx, 20, (int)cols);
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for (; k < count && k < n; k++) {
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/* draw one row of labels */
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if (k < browser->dir_count) {
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nk_label(ctx, browser->directories[k], NK_TEXT_CENTERED);
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} else {
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size_t t = k-browser->dir_count;
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nk_label(ctx,browser->files[t],NK_TEXT_CENTERED);
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}
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}}
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if(tiny)
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{size_t n = j + cols;
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nk_layout_row_dynamic(ctx, icon_height, (int)cols);
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for (; j < count && j < n; ++j) {
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/* draw one row of icons */
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if (j < browser->dir_count) {
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/* draw and execute directory buttons */
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if (nk_button_image_label(ctx,media.custom_folders[BROWSER_FOLDER], browser->directories[j],NK_TEXT_RIGHT))
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index = (int)j;
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} else {
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/* draw and execute files buttons */
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struct nk_image *icon;
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size_t fileIndex = ((size_t)j - browser->dir_count);
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icon = media_icon_for_file(browser->files[fileIndex]);
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size_t t = j-browser->dir_count;
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if (nk_button_image_label(ctx, *icon, browser->files[t],NK_TEXT_RIGHT)) {
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snprintf(browser->file, BROWSER_MAX_PATH, "%s%s", browser->directory, browser->files[fileIndex]);
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clicked = 1;
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}
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}
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#if 0
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bool has_focus = nk_window_has_focus(ctx); // @fixme: move out of loop
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bool has_popups = ui_popups(); // @fixme: move out of loop
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if( !has_popups && has_focus ) {
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struct nk_rect bounds = nk_widget_bounds(ctx);
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if (nk_input_is_mouse_hovering_rect(&ctx->input, bounds) ) {
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char *name = j < browser->dir_count ? browser->directories[j] : browser->files[j-browser->dir_count];
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char fullpath[PATH_MAX];
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snprintf(fullpath, PATH_MAX, "%s%s", browser->directory, name);
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struct stat t = {0};
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if( stat( fullpath, &t ) != -1 ) {
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char tooltip[256];
|
||
|
|
snprintf(tooltip, 256,
|
||
|
|
"Path: %s\n"
|
||
|
|
"Type: %lld\n" // file type and mode
|
||
|
|
"Size: %lld\n" // file size
|
||
|
|
"Owner: %lld\n" // user ID of file owner
|
||
|
|
"Modified: %s (%lld)", // last modification date
|
||
|
|
name, (int64_t)t.st_mode, (int64_t)t.st_size, (int64_t)t.st_uid, ctime(&t.st_mtime), (int64_t)t.st_mtime
|
||
|
|
);
|
||
|
|
nk_tooltip(ctx, tooltip);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (index != -1) {
|
||
|
|
BROWSER_PRINTF("%s + %s = ", browser->directory, browser->directories[index]);
|
||
|
|
size_t n = strlen(browser->directory);
|
||
|
|
snprintf(browser->directory + n, BROWSER_MAX_PATH - n, "%s/", browser->directories[index]);
|
||
|
|
BROWSER_PRINTF("%s\n", browser->directory);
|
||
|
|
browser_chdir_and_reload_directory_content(browser, browser->directory);
|
||
|
|
}
|
||
|
|
nk_group_end(ctx);
|
||
|
|
}
|
||
|
|
|
||
|
|
return clicked;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct nk_image icon_load(const char *filename) {
|
||
|
|
texture_t t = texture(filename, 0);
|
||
|
|
return nk_image_id((int)t.id);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct nk_image icon_load_rect(unsigned id, unsigned w, unsigned h, unsigned wcell, unsigned hcell, unsigned col, unsigned row) {
|
||
|
|
return nk_subimage_id((int)id, w, h, (struct nk_rect){ wcell * col, hcell * row, wcell, hcell });
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* demo:
|
||
|
|
|
||
|
|
struct browser browser = {0};
|
||
|
|
browser_init(&browser);
|
||
|
|
browser_config_dir(nk_image, BROWSER_HOME);
|
||
|
|
browser_config_dir(nk_image, BROWSER_PROJECT);
|
||
|
|
// [...]
|
||
|
|
browser_config_type(nk_image, ".ext1.ext2.ext3.");
|
||
|
|
browser_config_type(nk_image, ".ext1.ext2.ext3.");
|
||
|
|
browser_config_type(nk_image, ".ext1.ext2.ext3.");
|
||
|
|
// [...]
|
||
|
|
|
||
|
|
[...]
|
||
|
|
|
||
|
|
if( nk_begin(ctx, "window", ...) ) {
|
||
|
|
struct nk_rect total_space = nk_window_get_content_region(ctx);
|
||
|
|
if( browser_run(ctx, &browser, 0, total_space) ) {
|
||
|
|
puts( browser->directory );
|
||
|
|
puts( browser->file );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
nk_end();
|
||
|
|
*/
|