From 0574732a69f434707f564cf64290ec0f9b23215b Mon Sep 17 00:00:00 2001
From: nova <email@nova.gay>
Date: Sat, 31 May 2025 00:36:05 +0200
Subject: [PATCH] very basic and no good file hover implemented

---
 interactions.c | 18 +++++++++++++++++-
 threading.c    | 25 ++++++++++++++++++++-----
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/interactions.c b/interactions.c
index c8b9ef9..39e39c0 100644
--- a/interactions.c
+++ b/interactions.c
@@ -1,10 +1,14 @@
 #include <curses.h>
+#include <pthread.h>
 #include <dirent.h>
 #include <unistd.h>
 #include "defines.h"
 
 
 extern unsigned int file_modifiers;
+unsigned long selected_file_current;
+unsigned long selected_file_last;
+extern pthread_mutex_t mutex_selection;
 
 void user_interactions(char *input, unsigned int *status, unsigned int *settings) {
 	if (*input == 'q') {
@@ -23,7 +27,19 @@ void user_interactions(char *input, unsigned int *status, unsigned int *settings
 	} else if (*input == 'h') {
 		chdir("..");
 		*status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_MASK);
-
+	} else if (*input == 'n') {
+		pthread_mutex_lock(&mutex_selection);
+		/* capping the maximum file is done inside thread_mid */
+		selected_file_current++;
+		*status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_MASK);
+		pthread_mutex_unlock(&mutex_selection);
+	} else if (*input == 't') {
+		pthread_mutex_lock(&mutex_selection);
+		if (selected_file_current != 0) {
+			selected_file_current--;
+		}
+		*status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_MASK);
+		pthread_mutex_unlock(&mutex_selection);
 	} else {
 	}
 }
diff --git a/threading.c b/threading.c
index 5dbd3d5..9cd1e05 100644
--- a/threading.c
+++ b/threading.c
@@ -12,22 +12,24 @@ pthread_mutex_t mutex_btm;
 pthread_mutex_t mutex_lft;
 pthread_mutex_t mutex_mid;
 pthread_mutex_t mutex_rgt;
+pthread_mutex_t mutex_selection;
 
-/* contains entire directory as 2d array
- * may be changed in future to only include parts of the dir (currently includes entire dir) */
 file *rgt_content;
 file *mid_content;
 file *lft_content;
+
 char *top_content; /* current path */
 
 unsigned long rgt_file_count;
 unsigned long mid_file_count;
 unsigned long lft_file_count;
 unsigned long top_width;
-	
+
 	
 
 extern unsigned int status;
+extern unsigned long selected_file_current;
+extern unsigned long selected_file_last;
 
 void *thread_mid(void *data){
 	pthread_mutex_lock(&mutex_mid);
@@ -48,6 +50,18 @@ void *thread_mid(void *data){
 		memset(mid_content, ' ', mid_file_count * sizeof(file));
 		get_dir_content(path, &mid_file_count, mid_content);
 
+
+		pthread_mutex_lock(&mutex_selection);
+		if (selected_file_current >= mid_file_count) {
+			selected_file_current = mid_file_count-1;
+		}
+		mid_content[selected_file_current].status = FILE_STATUS_HOVER;
+		if (selected_file_current != selected_file_last) {
+			mid_content[selected_file_last].status &= ~FILE_STATUS_HOVER;
+		}
+		selected_file_last = selected_file_current;
+		pthread_mutex_unlock(&mutex_selection);
+
 	}
 	free(path);
 	pthread_mutex_unlock(&mutex_mid);
@@ -117,11 +131,12 @@ void threading_init(){
 
 	top_content = malloc(sizeof(char));
 
-
-
 	pthread_mutex_init(&mutex_top, NULL);
 	pthread_mutex_init(&mutex_mid, NULL);
 	pthread_mutex_init(&mutex_lft, NULL);
+	pthread_mutex_init(&mutex_selection, NULL);
+	selected_file_current = 0;
+	selected_file_last = 0;
 }
 void threading_free(){
 	free(rgt_content);