Add image preview support with libsixel
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parent
ec67b06594
commit
0caf9527a5
SSH key fingerprint:
SHA256:B/hgVwUoBpx5vdNsXl9w8XwZljA9766uk6T4ubZp5HM
1 changed files with 76 additions and 59 deletions
135
ccc.c
135
ccc.c
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@ -13,6 +13,8 @@
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sixel.h>
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#include "config.h"
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#include "file.h"
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#include "icons.h"
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@ -870,12 +872,14 @@ void show_file_content(void)
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return;
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}
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int c;
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/* Check if its binary */
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while ((c = fgetc(file)) != EOF) {
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if (c == '\0') {
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bprintf("binary");
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return;
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if (strstr(current_file.name, ".jpg") == NULL && strstr(current_file.name, ".png") == NULL) {
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int c;
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/* Check if its binary */
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while ((c = fgetc(file)) != EOF) {
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if (c == '\0') {
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bprintf("binary");
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return;
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}
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}
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}
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int pipe_fd[2];
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@ -887,67 +891,80 @@ void show_file_content(void)
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if (pid == 0) {
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/* Child */
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move_cursor(1, half_width);
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close(pipe_fd[0]);
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dup2(pipe_fd[1], STDOUT_FILENO);
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dup2(pipe_fd[1], STDERR_FILENO);
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close(pipe_fd[1]);
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execlp("vip", "vip", "-c", current_file.name, NULL);
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if (strstr(current_file.name, ".jpg") || strstr(current_file.name, ".png")) {
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sixel_encoder_t *encoder = NULL;
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sixel_encoder_new(&encoder, NULL);
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/* Should be enough for most terminal */
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char width[5];
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snprintf(width, 5, "%d", (cols - half_width) * 6);
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sixel_encoder_setopt(encoder, 'w', width);
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sixel_encoder_encode(encoder, current_file.name);
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sixel_encoder_unref(encoder);
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} else {
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close(pipe_fd[0]);
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dup2(pipe_fd[1], STDOUT_FILENO);
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dup2(pipe_fd[1], STDERR_FILENO);
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close(pipe_fd[1]);
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execlp("vip", "vip", "-c", current_file.name, NULL);
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}
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_exit(1);
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} else if (pid > 0) {
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/* Parent */
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close(pipe_fd[1]);
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char buffer[4096];
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int row = 1;
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FILE *stream = fdopen(pipe_fd[0], "r");
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while (fgets(buffer, sizeof(buffer), stream) != NULL && row <= rows - 1) {
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buffer[strcspn(buffer, "\n")] = 0;
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if (!strstr(current_file.name, ".jpg") && !strstr(current_file.name, ".png")) {
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close(pipe_fd[1]);
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char buffer[4096];
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int row = 1;
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FILE *stream = fdopen(pipe_fd[0], "r");
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while (fgets(buffer, sizeof(buffer), stream) != NULL && row <= rows - 1) {
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buffer[strcspn(buffer, "\n")] = 0;
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if (buffer[0] == '\0' || strspn(buffer, " \t") == strlen(buffer)) {
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move_cursor(row++, half_width);
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putchar('\n');
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continue;
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}
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/* Length without ANSI codes */
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size_t effective_len = get_effective_length(buffer);
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size_t offset = 0;
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while (effective_len > 0 && row <= rows - 1) {
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move_cursor(row++, half_width);
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/* Calculate the chunk size based on effective length */
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size_t chunk_size = (effective_len > (cols - half_width)) ? (cols - half_width) : effective_len;
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/* Find the actual end position in the string to avoid cutting ANSI sequences */
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size_t actual_end = offset;
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size_t visible_count = 0;
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bool in_ansi_sequence = false;
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while (visible_count < chunk_size && buffer[actual_end] != '\0') {
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if (buffer[actual_end] == '\033') {
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in_ansi_sequence = true;
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}
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if (!in_ansi_sequence) {
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visible_count++;
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}
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if (in_ansi_sequence && buffer[actual_end] == 'm') {
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in_ansi_sequence = false;
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}
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actual_end++;
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if (buffer[0] == '\0' || strspn(buffer, " \t") == strlen(buffer)) {
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move_cursor(row++, half_width);
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putchar('\n');
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continue;
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}
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/* Length without ANSI codes */
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size_t effective_len = get_effective_length(buffer);
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size_t offset = 0;
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while (effective_len > 0 && row <= rows - 1) {
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move_cursor(row++, half_width);
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/* Print the chunk from `offset` to `actual_end` */
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print_chunk(buffer, offset, actual_end);
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/* Calculate the chunk size based on effective length */
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size_t chunk_size = (effective_len > (cols - half_width)) ? (cols - half_width) : effective_len;
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/* Update offsets based on the effective length and ANSI-aware chunk */
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offset = actual_end;
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effective_len -= chunk_size;
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/* Find the actual end position in the string to avoid cutting ANSI sequences */
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size_t actual_end = offset;
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size_t visible_count = 0;
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bool in_ansi_sequence = false;
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putchar('\n');
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}
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/* Check if the line ends with the ANSI reset sequence `\033[0m` */
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size_t len = strlen(buffer);
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if (len >= 4 && strcmp(&buffer[len - 4], "\033[0m") == 0) {
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/* Line ends with ANSI reset, print it */
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printf("\033[0m");
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while (visible_count < chunk_size && buffer[actual_end] != '\0') {
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if (buffer[actual_end] == '\033') {
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in_ansi_sequence = true;
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}
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if (!in_ansi_sequence) {
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visible_count++;
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}
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if (in_ansi_sequence && buffer[actual_end] == 'm') {
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in_ansi_sequence = false;
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}
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actual_end++;
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}
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/* Print the chunk from `offset` to `actual_end` */
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print_chunk(buffer, offset, actual_end);
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/* Update offsets based on the effective length and ANSI-aware chunk */
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offset = actual_end;
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effective_len -= chunk_size;
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putchar('\n');
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}
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/* Check if the line ends with the ANSI reset sequence `\033[0m` */
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size_t len = strlen(buffer);
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if (len >= 4 && strcmp(&buffer[len - 4], "\033[0m") == 0) {
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/* Line ends with ANSI reset, print it */
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printf("\033[0m");
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}
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}
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fclose(stream);
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}
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