From 55cd4077b12fa1bf5c768c22143d963c8b721ae0 Mon Sep 17 00:00:00 2001
From: nova <email@nova.gay>
Date: Sun, 17 Aug 2025 23:21:28 +0200
Subject: [PATCH] smart case search in file search

---
 backend.c      | 44 ++++++++++++++++++++++++++++++++++++++++++++
 backend.h      |  1 +
 interactions.c |  6 +++---
 3 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/backend.c b/backend.c
index 277543a..fa0d6e0 100644
--- a/backend.c
+++ b/backend.c
@@ -1,3 +1,6 @@
+#include <stdlib.h>
+#include <string.h>
+
 char* concat(const char *s1, const char *s2){
     const size_t len1 = strlen(s1);
     const size_t len2 = strlen(s2);
@@ -6,5 +9,46 @@ char* concat(const char *s1, const char *s2){
     memcpy(result + len1, s2, len2 + 1);
     return result;
 }
+char* smartstrcasestr(char *haystack, const char *needle){
+	char smart = 0;
+	char *ret;
+	char passes = 0;
+	while (*needle) {
+		if (*needle >= 'A' && *needle <= 'Z') {
+			smart = 1;
+			break;
+		}
+		passes++;
+		needle++;
+	}
+	needle -= passes;
+	if (smart == 0) {
+		char *needle_case = malloc(strlen(needle)+1);
+		strcpy(needle_case, needle);
+		passes = 0;
+		while (*needle_case) {
+			*needle_case = *needle_case | ' ';
+			needle_case++;
+			passes++;
+		}
+		needle_case -= passes;
 
+		char *haystack_case = malloc(strlen(haystack)+1);
+		strcpy(haystack_case, haystack);
+		passes = 0;
+		while (*haystack_case) {
+			*haystack_case = *haystack_case | ' ';
+			haystack_case++;
+			passes++;
+		}
+		haystack_case -= passes;
+
+		ret = strstr(haystack_case, needle_case);
+		free(needle_case);
+		free(haystack_case);
+	} else {
+		ret = strstr(haystack, needle);
+	}
+	return ret;
+}
 
diff --git a/backend.h b/backend.h
index 3435102..bbf0919 100644
--- a/backend.h
+++ b/backend.h
@@ -6,3 +6,4 @@
 
 
 char* concat(const char *s1, const char *s2);
+char* smartstrcasestr(char *haystack, const char *needle);
diff --git a/interactions.c b/interactions.c
index 0597675..92dac15 100644
--- a/interactions.c
+++ b/interactions.c
@@ -772,7 +772,7 @@ void search(){
 			pass++;
 			unsigned long i;
 			for (i = 0; i < mid_file_count; i++) {
-				if (strstr(mid_content[i].file_name, search_buffer)) {
+				if (smartstrcasestr(mid_content[i].file_name, search_buffer)) {
 					selected_file_current = i;
 					status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_0);
 					update_selected_file();
@@ -794,7 +794,7 @@ void search(){
 void search_next(){
 	unsigned long i;
 	for (i = selected_file_current+1; i < mid_file_count; i++) {
-		if (strstr(mid_content[i].file_name, search_buffer)) {
+		if (smartstrcasestr(mid_content[i].file_name, search_buffer)) {
 			selected_file_current = i;
 			status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_0);
 			update_selected_file();
@@ -809,7 +809,7 @@ void search_previous(){
 		if(i > selected_file_current) {
 			break;
 		}
-		if (strstr(mid_content[i].file_name, search_buffer)) {
+		if (smartstrcasestr(mid_content[i].file_name, search_buffer)) {
 			selected_file_current = i;
 			status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_0);
 			update_selected_file();