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Merge pull request #45 from m1ngsama/feat/tui-visual-improvements

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Improve TUI visual experience: colors, system messages, unread indicator
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m1ngsama 2026-04-19 22:59:04 +08:00 committed by GitHub
commit b0bb18d93e
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1 changed files with 98 additions and 4 deletions
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102
src/tui.c
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@ -5,6 +5,93 @@
#include <stdarg.h>
#include <unistd.h>
static const char *username_color(const char *name) {
static const char *colors[] = {
"\033[31m", "\033[32m", "\033[33m",
"\033[34m", "\033[35m", "\033[36m",
};
unsigned int h = 5381;
for (const char *p = name; *p; p++)
h = h * 33 + (unsigned char)*p;
return colors[h % 6];
}
static void format_message_colored(const message_t *msg, char *buffer,
size_t buf_size, int width) {
struct tm tm_info;
localtime_r(&msg->timestamp, &tm_info);
char time_str[32];
strftime(time_str, sizeof(time_str), "%H:%M", &tm_info);
if (strcmp(msg->username, "系统") == 0) {
snprintf(buffer, buf_size,
"\033[90m--> %s\033[0m", msg->content);
} else if (strcmp(msg->username, "*") == 0) {
snprintf(buffer, buf_size,
"\033[90m%s\033[0m \033[3;36m* %s\033[0m",
time_str, msg->content);
} else {
snprintf(buffer, buf_size,
"\033[90m%s\033[0m %s%s\033[0m: %s",
time_str, username_color(msg->username),
msg->username, msg->content);
}
/* Plain-text version for width calculation */
char plain[MAX_MESSAGE_LEN + 128];
if (strcmp(msg->username, "系统") == 0) {
snprintf(plain, sizeof(plain), "--> %s", msg->content);
} else if (strcmp(msg->username, "*") == 0) {
snprintf(plain, sizeof(plain), "%s * %s", time_str, msg->content);
} else {
snprintf(plain, sizeof(plain), "%s %s: %s",
time_str, msg->username, msg->content);
}
if (utf8_string_width(plain) > width) {
/* Rebuild with truncated content */
int prefix_width;
char prefix_plain[256];
if (strcmp(msg->username, "系统") == 0) {
snprintf(prefix_plain, sizeof(prefix_plain), "--> ");
} else if (strcmp(msg->username, "*") == 0) {
snprintf(prefix_plain, sizeof(prefix_plain), "%s * ", time_str);
} else {
snprintf(prefix_plain, sizeof(prefix_plain), "%s %s: ",
time_str, msg->username);
}
prefix_width = utf8_string_width(prefix_plain);
int content_width = width - prefix_width;
if (content_width < 4) content_width = 4;
char truncated_content[MAX_MESSAGE_LEN];
if (strcmp(msg->username, "系统") == 0) {
strncpy(truncated_content, msg->content, sizeof(truncated_content) - 1);
truncated_content[sizeof(truncated_content) - 1] = '\0';
} else if (strcmp(msg->username, "*") == 0) {
snprintf(truncated_content, sizeof(truncated_content), "* %s", msg->content);
} else {
strncpy(truncated_content, msg->content, sizeof(truncated_content) - 1);
truncated_content[sizeof(truncated_content) - 1] = '\0';
}
utf8_truncate(truncated_content, content_width);
if (strcmp(msg->username, "系统") == 0) {
snprintf(buffer, buf_size,
"\033[90m--> %s\033[0m", truncated_content);
} else if (strcmp(msg->username, "*") == 0) {
snprintf(buffer, buf_size,
"\033[90m%s\033[0m \033[3;36m%s\033[0m",
time_str, truncated_content);
} else {
snprintf(buffer, buf_size,
"\033[90m%s\033[0m %s%s\033[0m: %s",
time_str, username_color(msg->username),
msg->username, truncated_content);
}
}
}
static void buffer_append_bytes(char *buffer, size_t buf_size, size_t *pos,
const char *data, size_t len) {
size_t available;
@ -148,8 +235,8 @@ void tui_render_screen(client_t *client) {
/* Render messages from snapshot */
if (msg_snapshot) {
for (int i = 0; i < snapshot_count; i++) {
char msg_line[1024];
message_format(&msg_snapshot[i], msg_line, sizeof(msg_line), render_width);
char msg_line[2048];
format_message_colored(&msg_snapshot[i], msg_line, sizeof(msg_line), render_width);
buffer_appendf(buffer, buf_size, &pos, "%s\033[K\r\n", msg_line);
}
free(msg_snapshot);
@ -173,8 +260,15 @@ void tui_render_screen(client_t *client) {
int total = msg_count;
int scroll_pos = client->scroll_pos + 1;
if (total == 0) scroll_pos = 0;
buffer_appendf(buffer, buf_size, &pos,
"-- NORMAL -- (%d/%d)\033[K", scroll_pos, total);
int unseen = msg_count - end;
if (unseen > 0) {
buffer_appendf(buffer, buf_size, &pos,
"-- NORMAL -- (%d/%d) \033[33m↓ %d new\033[0m\033[K",
scroll_pos, total, unseen);
} else {
buffer_appendf(buffer, buf_size, &pos,
"-- NORMAL -- (%d/%d)\033[K", scroll_pos, total);
}
} else if (client->mode == MODE_COMMAND) {
buffer_appendf(buffer, buf_size, &pos, ":%s\033[K", client->command_input);
}