Further improve file_browser.c
-Adds visible boundary to file icon box; -Adds a 'cancel' button that closes the file dialog; -Adds a 'save' button that should be used for the save() routine defined by the user;
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crazyBaboon
GitHub
parent
ceee8839ab
commit
a1df0c4f57
@ -1,3 +1,5 @@
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nk_bool file_browser_is_open;
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struct icons {
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struct nk_image desktop;
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struct nk_image home;
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@ -325,6 +327,7 @@ file_browser_reload_directory_content(struct file_browser *browser, const char *
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static void
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file_browser_init(struct file_browser *browser, struct media *media)
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{
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file_browser_is_open = nk_true;
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memset(browser, 0, sizeof(*browser));
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browser->media = media;
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{
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@ -373,113 +376,127 @@ file_browser_run(struct file_browser *browser, struct nk_context *ctx)
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struct media *media = browser->media;
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struct nk_rect total_space;
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if (nk_begin(ctx, "File Browser", nk_rect(50, 50, 600, 400),
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NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
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NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
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if (file_browser_is_open)
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{
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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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nk_menubar_begin(ctx);
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if (nk_begin(ctx, "File Browser", nk_rect(50, 50, 600, 400),
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NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|NK_WINDOW_NO_SCROLLBAR|
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NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
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{
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char *d = browser->directory;
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char *begin = d + 1;
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nk_layout_row_dynamic(ctx, 25, 6);
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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, begin)) {
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*d++ = '/'; *d = '\0';
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file_browser_reload_directory_content(browser, browser->directory);
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break;
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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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nk_menubar_begin(ctx);
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{
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char *d = browser->directory;
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char *begin = d + 1;
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nk_layout_row_dynamic(ctx, 25, 6);
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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, begin)) {
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*d++ = '/'; *d = '\0';
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file_browser_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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*d = '/';
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begin = d + 1;
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}
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}
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}
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nk_menubar_end(ctx);
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ctx->style.window.spacing.x = spacing_x;
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nk_menubar_end(ctx);
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ctx->style.window.spacing.x = spacing_x;
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/* window layout */
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total_space = nk_window_get_content_region(ctx);
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nk_layout_row(ctx, NK_DYNAMIC, total_space.h, 2, ratio);
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/* window layout */
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total_space = nk_window_get_content_region(ctx);
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nk_layout_row(ctx, NK_DYNAMIC, total_space.h - 40, 2, ratio);
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nk_group_begin(ctx, "Special", NK_WINDOW_NO_SCROLLBAR);
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{
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struct nk_image home = media->icons.home;
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struct nk_image desktop = media->icons.desktop;
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struct nk_image computer = media->icons.computer;
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nk_group_begin(ctx, "Special", NK_WINDOW_NO_SCROLLBAR);
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{
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struct nk_image home = media->icons.home;
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struct nk_image desktop = media->icons.desktop;
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struct nk_image computer = media->icons.computer;
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nk_layout_row_dynamic(ctx, 40, 1);
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if (nk_button_image_label(ctx, home, "home", NK_TEXT_CENTERED))
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file_browser_reload_directory_content(browser, browser->home);
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if (nk_button_image_label(ctx,desktop,"desktop",NK_TEXT_CENTERED))
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file_browser_reload_directory_content(browser, browser->desktop);
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if (nk_button_image_label(ctx,computer,"computer",NK_TEXT_CENTERED))
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file_browser_reload_directory_content(browser, "/");
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nk_group_end(ctx);
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}
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nk_layout_row_dynamic(ctx, 40, 1);
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if (nk_button_image_label(ctx, home, "home", NK_TEXT_CENTERED))
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file_browser_reload_directory_content(browser, browser->home);
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if (nk_button_image_label(ctx,desktop,"desktop",NK_TEXT_CENTERED))
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file_browser_reload_directory_content(browser, browser->desktop);
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if (nk_button_image_label(ctx,computer,"computer",NK_TEXT_CENTERED))
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file_browser_reload_directory_content(browser, "/");
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nk_group_end(ctx);
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}
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/* output directory content window */
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nk_group_begin(ctx, "Content", 0);
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{
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int index = -1;
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size_t i = 0, j = 0;
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size_t rows = 0, cols = 0;
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size_t count = browser->dir_count + browser->file_count;
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/* output directory content window */
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nk_group_begin(ctx, "Content", NK_WINDOW_BORDER);
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{
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int index = -1;
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size_t i = 0, j = 0;
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size_t rows = 0, cols = 0;
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size_t count = browser->dir_count + browser->file_count;
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/* File icons layout */
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cols = 2;
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rows = count / cols;
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static float ratio2[] = {0.08f, NK_UNDEFINED};
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nk_layout_row(ctx, NK_DYNAMIC, 30, 2, ratio2);
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for (i = 0; i <= rows; i += 1) {
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size_t n = j + cols;
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for (; j < count && j < n; ++j) {
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/* draw one column 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->icons.directory))
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index = (int)j;
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nk_label(ctx, browser->directories[j], NK_TEXT_LEFT);
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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(media,browser->files[fileIndex]);
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if (nk_button_image(ctx, *icon)) {
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strncpy(browser->file, browser->directory, MAX_PATH_LEN);
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n = strlen(browser->file);
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strncpy(browser->file + n, browser->files[fileIndex], MAX_PATH_LEN - n);
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ret = 1;
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/* File icons layout */
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cols = 2;
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rows = count / cols;
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static float ratio2[] = {0.08f, NK_UNDEFINED};
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nk_layout_row(ctx, NK_DYNAMIC, 30, 2, ratio2);
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for (i = 0; i <= rows; i += 1) {
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size_t n = j + cols;
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for (; j < count && j < n; ++j) {
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/* draw one column 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->icons.directory))
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index = (int)j;
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nk_label(ctx, browser->directories[j], NK_TEXT_LEFT);
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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(media,browser->files[fileIndex]);
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if (nk_button_image(ctx, *icon)) {
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strncpy(browser->file, browser->directory, MAX_PATH_LEN);
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n = strlen(browser->file);
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strncpy(browser->file + n, browser->files[fileIndex], MAX_PATH_LEN - n);
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ret = 1;
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}
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}
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/* draw one column of labels */
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if (j >= browser->dir_count) {
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size_t t = j - browser->dir_count;
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nk_label(ctx,browser->files[t],NK_TEXT_LEFT);
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}
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}
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/* draw one column of labels */
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if (j >= browser->dir_count) {
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size_t t = j - browser->dir_count;
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nk_label(ctx,browser->files[t],NK_TEXT_LEFT);
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}
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}
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if (index != -1) {
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size_t n = strlen(browser->directory);
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strncpy(browser->directory + n, browser->directories[index], MAX_PATH_LEN - n);
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n = strlen(browser->directory);
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if (n < MAX_PATH_LEN - 1) {
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browser->directory[n] = '/';
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browser->directory[n+1] = '\0';
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}
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file_browser_reload_directory_content(browser, browser->directory);
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}
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nk_group_end(ctx);
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}
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if (index != -1) {
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size_t n = strlen(browser->directory);
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strncpy(browser->directory + n, browser->directories[index], MAX_PATH_LEN - n);
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n = strlen(browser->directory);
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if (n < MAX_PATH_LEN - 1) {
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browser->directory[n] = '/';
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browser->directory[n+1] = '\0';
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}
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file_browser_reload_directory_content(browser, browser->directory);
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nk_layout_row_dynamic(ctx, 30, 5);
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nk_label(ctx,"",NK_TEXT_LEFT);
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nk_label(ctx,"",NK_TEXT_LEFT);
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nk_label(ctx,"",NK_TEXT_LEFT);
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if(nk_button_label(ctx, "Cancel"))
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{
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fprintf(stdout, "File dialog has been closed!\n");
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file_browser_is_open = nk_false;
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}
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nk_group_end(ctx);
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if(nk_button_label(ctx, "Save"))
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fprintf(stdout, "Insert routine to open/save the file!\n");
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}
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nk_end(ctx);
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}
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nk_end(ctx);
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return ret;
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}
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