From 707087b8fe0c329886520cc621af24bf6f56ebf9 Mon Sep 17 00:00:00 2001
From: Alexander Zhylin <zheiling@hotmail.com>
Date: Fri, 3 Apr 2026 15:37:10 +0300
Subject: [PATCH] Inits main menu controling struct; moves file list to the
 main window (not finished)

---
 TODO.md                   |  3 +-
 src/file_processor.c      |  4 +--
 src/main.c                | 69 +++++++++++++++++++++++++++++++++++----
 src/main.h                | 15 +++++++--
 src/query.c               |  2 +-
 src/server.c              |  4 +--
 src/widget/app.c          |  3 ++
 src/widget/app.h          |  1 +
 src/widget/file_list.c    |  8 ++++-
 src/widget/file_list.h    |  1 +
 src/widget/fs_file_list.c | 28 +++++++++++++---
 src/widget/fs_file_list.h |  1 +
 12 files changed, 120 insertions(+), 19 deletions(-)

diff --git a/TODO.md b/TODO.md
index 3b11ac8..045df12 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,6 +1,7 @@
 # TODO:
 
 ## Current:
+- [ ] Variable naming convention
 - [ ] Sorting in file list
 - [ ] File upload multiline description (window)
 - [ ] More intuitive navigation between nested groups (by pressing left and right buttons)
@@ -10,7 +11,7 @@
 - [x] Upload menu disappears after alert (when opening link to non-existing directory for example).
 
 ## Bugs:
-- [ ] Sometimes segfaults while navigating through modal menu (try use controlling byte)
+- [ ] Sometimes segfaults while navigating through modal menu
 
 ## Features:
 - [x] Search files
diff --git a/src/file_processor.c b/src/file_processor.c
index 5f006f4..a8cab06 100644
--- a/src/file_processor.c
+++ b/src/file_processor.c
@@ -33,7 +33,7 @@ void file_list(file_args_t *f_args, query_args_t *q_args) {
   char *query = NULL;
   static char qbuf[INBUFSIZE * 2];
   static uint32_t qbuf_used = 0;
-  ui_file_list_t *fui = (ui_file_list_t *)q_args->file_list_ui;
+  ui_file_list_t *fui = (ui_file_list_t *)q_args->main_ui->ui;
   dialogue_t *d = (dialogue_t *)q_args->active_dialogue;
   fui->start = &(f_args->l_start);
   fui->current = &(f_args->l_current);
@@ -119,7 +119,7 @@ void file_download(file_args_t *f_args, query_args_t *q_args) {
   uint32_t progress = (f_selected->size - size_rest) * 100 / f_selected->size;
   ui_progress_bar_t *pb = (ui_progress_bar_t *)q_args->progress_bar;
   dialogue_t *d = (dialogue_t *)q_args->active_dialogue;
-  ui_file_list_t *fui = (ui_file_list_t *)q_args->file_list_ui;
+  ui_file_list_t *fui = (ui_file_list_t *)q_args->main_ui->ui;
   int32_t a_len = 0;
 
   if (size_rest == 0)
diff --git a/src/main.c b/src/main.c
index f39c4a4..c278126 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,6 +2,7 @@
 /* Copyright (c) 2026 Oleksandr Zhylin */
 
 #include <arpa/inet.h>
+#include <modals.h>
 #include <ncursesw/ncurses.h>
 #include <netinet/in.h>
 #include <stdint.h>
@@ -12,16 +13,20 @@
 #include <termios.h>
 #include <unistd.h>
 #include <widget.h>
-#include <modals.h>
 
+#include "app.h"
 #include "connection.h"
 #include "file_list.h"
+#include "fs_file_list.h"
 #include "main.h"
 #include "query.h"
 
 uint32_t m_id = 0;
 
 int32_t process_user_input(app_t *app, callback_args_t *d_args);
+void main_window_set(app_t *app, enum main_window_type type);
+void main_window_draw(app_t *app);
+void main_window_delete(app_t *app);
 
 int main(int argc, char **argv) {
   app_t *app;
@@ -46,8 +51,9 @@ int main(int argc, char **argv) {
   init_query_args(q_args, app->params);
   q_args->buf = malloc(INBUFSIZE);
   app->query_args = q_args;
-  q_args->file_list_ui = init_file_list(&(app->left_win), &(app->right_win));
-  draw_file_list(q_args->file_list_ui);
+
+  main_window_set(app, mw_fl_server);
+  main_window_draw(app);
 
   /* init client to connect to the server */
   app->params->sd = init_client();
@@ -60,6 +66,7 @@ int main(int argc, char **argv) {
   }
 
   app->query_args->sd = app->params->sd;
+  app->query_args->main_ui = &(app->main_ui);
 
   query_loop(app);
   clear_params(&params);
@@ -70,7 +77,7 @@ int main(int argc, char **argv) {
 
 int32_t process_user_input(app_t *app, callback_args_t *d_args) {
   int32_t c;
-  ui_file_list_t *fui = (ui_file_list_t *)app->query_args->file_list_ui;
+  ui_file_list_t *fui = (ui_file_list_t *)app->query_args->main_ui->ui;
   c = wgetch(app->win);
   switch (c) {
   case KEY_F(9):
@@ -78,8 +85,11 @@ int32_t process_user_input(app_t *app, callback_args_t *d_args) {
     return OK;
   case 'U':
   case 'u':
-    if (!app->modal.is_initiated && !fui->active_search) {
-      app->query_args->state = S_UPLOAD_FILE_SELECT;
+    if (!app->modal.is_initiated && !fui->active_search && app->main_ui.type != mw_fl_local) {
+      /* app->query_args->state = S_UPLOAD_FILE_SELECT; */
+      main_window_set(app, mw_fl_local);
+      main_window_draw(app);
+      d_args->element = app->main_ui.ui;
       break;
     }
   case 's':
@@ -95,4 +105,51 @@ int32_t process_user_input(app_t *app, callback_args_t *d_args) {
     break;
   }
   return OK;
+}
+
+void main_window_set(app_t *app, enum main_window_type type) {
+  if (app->main_ui.ui != NULL) {
+    main_window_delete(app);
+  }
+  app->main_ui.type = type;
+  switch (type) {
+  case mw_fl_server:
+    app->main_ui.ui = init_file_list(&(app->left_win), &(app->right_win));
+    app->active_callback = file_list_cb;
+    break;
+  case mw_fl_local:
+    app->main_ui.ui =
+        init_fs_file_list_win(&(app->left_win), &(app->right_win));
+    app->active_callback = fs_file_list_cb;
+    break;
+  case mw_f_desc:
+    break;
+  default:
+    break;
+  }
+}
+
+void main_window_draw(app_t *app) {
+  switch (app->main_ui.type) {
+  case mw_fl_server:
+    draw_file_list((ui_file_list_t *)app->main_ui.ui);
+    break;
+  case mw_fl_local:
+    draw_fs_file_list((ui_fs_file_list_t *)app->main_ui.ui);
+    break;
+  case mw_f_desc:
+    break;
+  }
+}
+
+void main_window_delete(app_t *app) {
+  switch (app->main_ui.type) {
+  case mw_fl_server:
+    delete_file_list((ui_file_list_t **)&(app->main_ui.ui));
+    break;
+  case mw_fl_local:
+  /* TODO: delete fs_file_list */
+  case mw_f_desc:
+    break;
+  }
 }
\ No newline at end of file
diff --git a/src/main.h b/src/main.h
index 0a2d0ed..8607490 100644
--- a/src/main.h
+++ b/src/main.h
@@ -82,6 +82,17 @@ typedef struct file_args {
   fl_item_t *l_current;
 } file_args_t;
 
+enum main_window_type {
+  mw_fl_server, /* file list on the server */
+  mw_fl_local, /* local file list */
+  mw_f_desc, /* file description */
+};
+
+typedef struct main_window {
+  enum main_window_type type;
+  void *ui; /* structure that describes window UI */
+} main_window_t;
+
 typedef struct query_args {
   int32_t sd;
   int32_t buf_used;
@@ -95,10 +106,10 @@ typedef struct query_args {
     uint64_t capacity;
     uint64_t size;
   } server_message;
-  void *file_list_ui; /* TODO: find solution to insert actual type without void pointers */
+  main_window_t *main_ui;
   void *progress_bar;
   void *active_dialogue;
-  char *notification;
+  void *notification;
 } query_args_t;
 
 #endif
\ No newline at end of file
diff --git a/src/query.c b/src/query.c
index 430e31d..af09cac 100644
--- a/src/query.c
+++ b/src/query.c
@@ -130,7 +130,7 @@ void wait_register(query_args_t *q_args) {
 
 int upload_confirm_cb(app_t *app, char *query, int q_len) {
   if (!strncmp("finished\n", query, sizeof("finished\n") - 1)) {
-    ui_file_list_t *fui = (ui_file_list_t *)app->query_args->file_list_ui;
+    ui_file_list_t *fui = (ui_file_list_t *)app->query_args->main_ui->ui;
     notification("File upload", dc_normal, "File %s is uploaded to the server!",
                  app->query_args->file->name);
     clear_file_in_query(app->query_args);
diff --git a/src/server.c b/src/server.c
index 5619d3b..0b0a7be 100644
--- a/src/server.c
+++ b/src/server.c
@@ -35,7 +35,7 @@ void server_send_string(query_args_t *q, const char *fmt, ...) {
 int server_wait_reg_confirm_cb(app_t *app, char *line, int l_len) {
   query_args_t *q_args = app->query_args;
   char query[INBUFSIZE];
-  ui_file_list_t *fui = (ui_file_list_t *)q_args->file_list_ui;
+  ui_file_list_t *fui = (ui_file_list_t *)q_args->main_ui->ui;
 
   if (!strcmp(line, "ok\n")) {
     server_send_string(q_args, "file list %u %u\n", fui->max_lines,
@@ -96,7 +96,7 @@ int process_server_command(char *line, int l_len, app_t *app) {
   int ws_pos = l_len;
   query_args_t *q_args = app->query_args;
   params_t *params = q_args->params;
-  ui_file_list_t *fui = (ui_file_list_t *)q_args->file_list_ui;
+  ui_file_list_t *fui = (ui_file_list_t *)q_args->main_ui->ui;
 
   char *cptr = strchr(line, ' ');
   if (cptr != NULL && cptr > line)
diff --git a/src/widget/app.c b/src/widget/app.c
index ab93920..5f6b76a 100644
--- a/src/widget/app.c
+++ b/src/widget/app.c
@@ -55,6 +55,9 @@ app_t *init_app() {
   /* here goes box borders */
   draw_borders(_app);
 
+  /* NULL to main_ui */
+  _app->main_ui.ui = NULL;
+
   keypad(_app->win, TRUE);
 
   /* refresh the windows */
diff --git a/src/widget/app.h b/src/widget/app.h
index f2635cb..a1d06cc 100644
--- a/src/widget/app.h
+++ b/src/widget/app.h
@@ -34,6 +34,7 @@ typedef struct {
   void (*active_callback)(callback_args_t *args);
   WINDOW *active_win;
   void *active_widget;
+  main_window_t main_ui;
 } app_t;
 
 app_t *init_app(void);
diff --git a/src/widget/file_list.c b/src/widget/file_list.c
index 0998c5d..20fb885 100644
--- a/src/widget/file_list.c
+++ b/src/widget/file_list.c
@@ -20,7 +20,7 @@ void reset_file_list(ui_file_list_t *fl_ui);
 
 void file_list_cb(callback_args_t *args) {
   app_t *app = args->app;
-  ui_file_list_t *fui = app->query_args->file_list_ui;
+  ui_file_list_t *fui = app->query_args->main_ui->ui;
   int32_t key = *((int32_t *)args->data);
   char q_prefix[128];
   if (fui->search_key->slen > 0) {
@@ -129,6 +129,12 @@ ui_file_list_t *init_file_list(WINDOW **win, WINDOW *const *info_win) {
   return fui;
 }
 
+void delete_file_list(ui_file_list_t **fui) {
+   fl_clear((*fui)->start, (*fui)->current);
+   free(*fui);
+   *fui = NULL;
+}
+
 void reset_file_list(ui_file_list_t *fl_ui) {
   fl_clear(fl_ui->start, fl_ui->current);
   fl_ui->current_idx = 0;
diff --git a/src/widget/file_list.h b/src/widget/file_list.h
index 5014a65..848b7ef 100644
--- a/src/widget/file_list.h
+++ b/src/widget/file_list.h
@@ -28,4 +28,5 @@ void redraw_file_list(ui_file_list_t *fl_ui);
 ui_file_list_t *init_file_list(WINDOW **win, WINDOW *const *info_win);
 void file_list_cb(callback_args_t *args);
 void reset_file_list(ui_file_list_t *fl_ui);
+void delete_file_list(ui_file_list_t **fui);
 #endif
\ No newline at end of file
diff --git a/src/widget/fs_file_list.c b/src/widget/fs_file_list.c
index 1d1c8a4..32aac0b 100644
--- a/src/widget/fs_file_list.c
+++ b/src/widget/fs_file_list.c
@@ -77,11 +77,14 @@ static int get_files_from_fs(ui_fs_file_list_t *fui, char *path) {
   fs_fl_item_t *f_start = NULL, *f_current = NULL; /* files */
 
   dir = opendir(path);
-  if (!dir) return 1;
-  free(fui->d_path);
-  fui->d_path = malloc(strlen(path)+1);
+  if (!dir)
+    return 1;
+  if (fui->d_path != NULL) {
+    free(fui->d_path);
+    fl_clear(&(fui->start), &(fui->current));
+  }
+  fui->d_path = malloc(strlen(path) + 1);
   strcpy(fui->d_path, path);
-  fl_clear(&(fui->start), &(fui->current));
   while ((dent = readdir(dir)) != NULL) {
     f_args.path = NULL;
     if ((f_args.d_type = dent->d_type) == DT_DIR) {
@@ -269,6 +272,23 @@ ui_fs_file_list_t *init_fs_file_list(WINDOW **win, widget_t *w_parent) {
   return fl_ui;
 }
 
+ui_fs_file_list_t *init_fs_file_list_win(WINDOW **win, WINDOW *const *info_win) {
+  ui_fs_file_list_t *fl_ui = malloc(sizeof(ui_fs_file_list_t));
+  init_widget(&(fl_ui->w), NULL, win, "");
+  fl_ui->current_idx = 0;
+  fl_ui->info_win = NULL;
+  fl_ui->d_path = NULL;
+  char *path = get_current_dir_name();
+  get_files_from_fs(fl_ui, path);
+  fl_ui->current = fl_ui->start;
+  fl_ui->w.callback = fs_file_list_cb;
+  fl_ui->w.sz.x = getmaxx(*win) / 10 * 8;
+  fl_ui->w.sz.y = getmaxy(*win) / 10 * 8;
+  fl_ui->rows_num = 0; /* detects on the first draw */
+  fl_ui->cur_page = 1;
+  return fl_ui;
+}
+
 void reset_fs_file_list(ui_fs_file_list_t *fl_ui) { fl_ui->current_idx = 0; }
 
 void draw_fs_file_list(ui_fs_file_list_t *fui) {
diff --git a/src/widget/fs_file_list.h b/src/widget/fs_file_list.h
index cbf4ca8..7335c02 100644
--- a/src/widget/fs_file_list.h
+++ b/src/widget/fs_file_list.h
@@ -36,4 +36,5 @@ void               destroy_fs_file_list(ui_fs_file_list_t *fl_ui);
 void               fs_file_list_cb(callback_args_t *args);
 void               reset_fs_file_list(ui_fs_file_list_t *fl_ui);
 ui_fs_file_list_t *init_fs_file_list(WINDOW **win, widget_t *w_parent);
+ui_fs_file_list_t *init_fs_file_list_win(WINDOW **win, WINDOW *const *info_win);
 #endif
\ No newline at end of file