UI: separate windows objects

2026-04-21 16:00:22 +03:00
parent ee2bccc5c8
commit 4215812b73
25 changed files with 95 additions and 71 deletions
@@ -0,0 +1,356 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright (c) 2026 Oleksandr Zhylin */
+
+#include "app.h"
+#include <bstrlib.h>
+#include <ncursesw/ncurses.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include "main_window.h"
+#include "file_list.h"
+#include "../file_processor.h"
+#include "../fs.h"
+#include "../server.h"
+
+void w_fl_reset(w_ui_file_list_t *fl_ui);
+
+static void w_fl_cb(w_cb_args_t *args) {
+  w_app_t *app = args->app;
+  w_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) {
+    sprintf(q_prefix, "file search name %s", fui->search_key->data);
+  } else {
+    sprintf(q_prefix, "file list");
+  }
+  /* When search is active */
+  if (fui->active_search) {
+    if (key == KEY_BACKSPACE || key == KEY_DL) {
+      if (blength(fui->search_key)) {
+        btrunc(fui->search_key, blength(fui->search_key) - 1);
+        w_fl_draw(fui);
+      }
+    } else if (key == '\n' || key == '\33') {
+      fui->active_search = false;
+      app->query_args->state = S_FILE_LIST;
+      if (key == '\33') {
+        fui->search_key->data[0] = '\0';
+        fui->search_key->slen = 0;
+        sprintf(q_prefix, "file list");
+      }
+      server_send_string(app->query_args, "%s %u %u\n", q_prefix,
+                         fui->max_lines, 1);
+      w_fl_reset(fui);
+    } else {
+      bconchar(fui->search_key, key);
+      w_fl_draw(fui);
+    }
+    return;
+  }
+  /* Default case */
+  switch (key) {
+  case KEY_DOWN:
+    if (fui->current_idx < fui->current_count - 1) {
+      fui->current_idx++;
+    } else if (fui->current_page < fui->pages) {
+      app->query_args->state = S_FILE_LIST;
+      server_send_string(app->query_args, "%s %u %u\n", q_prefix,
+                         fui->max_lines, fui->current_page + 1);
+      w_fl_reset(fui);
+      break;
+    }
+    w_fl_draw(fui);
+    break;
+  case KEY_UP:
+    if (fui->current_idx > 0) {
+      fui->current_idx--;
+    } else if (fui->current_page > 1) {
+      app->query_args->state = S_FILE_LIST;
+      server_send_string(app->query_args, "%s %u %u\n", q_prefix,
+                         fui->max_lines, fui->current_page - 1);
+      w_fl_reset(fui);
+      fui->activate_last = true;
+      break;
+    }
+    w_fl_draw(fui);
+    break;
+  case KEY_NPAGE:
+    if (fui->current_page < fui->pages) {
+      app->query_args->state = S_FILE_LIST;
+      server_send_string(app->query_args, "%s %u %u\n", q_prefix,
+                         fui->max_lines, fui->current_page + 1);
+      w_fl_reset(fui);
+      break;
+    }
+    w_fl_draw(fui);
+    break;
+  case KEY_PPAGE:
+    if (fui->current_page > 1) {
+      app->query_args->state = S_FILE_LIST;
+      server_send_string(app->query_args, "%s %u %u\n", q_prefix,
+                         fui->max_lines, fui->current_page - 1);
+      w_fl_reset(fui);
+      fui->activate_last = true;
+      break;
+    }
+    w_fl_draw(fui);
+    break;
+  case '\33':
+    fui->active_search = false;
+    fui->search_key->data[0] = '\0';
+    fui->search_key->slen = 0;
+    sprintf(q_prefix, "file list");
+    app->query_args->state = S_FILE_LIST;
+    server_send_string(app->query_args, "%s %u %u\n", q_prefix, fui->max_lines,
+                       1);
+    w_fl_reset(fui);
+  case '\n':
+    ui_file_select(app->file_args, app->query_args, fui->current_idx + 1);
+    break;
+  }
+}
+
+static void w_fl_cb_refresh(void *data) {
+  w_app_t *app = (w_app_t *)data;
+  if (app->main_ui.type != mw_fl_server) {
+    return;
+  }
+  w_ui_file_list_t *fui = app->main_ui.ui;
+  wnoutrefresh(fui->win_list);
+  wnoutrefresh(fui->win_info);
+}
+
+static struct action_key action_keys[] = {
+    {.key = "F1", .title = "Help", .code = KEY_F(1)},
+    {.key = "U", .title = "Upload", .code = 'u'},
+    {.key = "S", .title = "Search", .code = 's'},
+    {.key = "F9", .title = "Quit", .code = KEY_F(9)},
+};
+
+static int32_t process_user_input(w_app_t *app, w_cb_args_t *d_args) {
+  int32_t c;
+  w_ui_file_list_t *fui = (w_ui_file_list_t *)app->query_args->main_ui->ui;
+  c = wgetch(app->win);
+  switch (c) {
+  case KEY_F(9):
+    w_app_destroy(app, 0);
+    return OK;
+  case 'U':
+  case 'u':
+    if (!app->modal.is_initiated && !fui->active_search) {
+      /* 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':
+  case 'S':
+    if (!app->modal.is_initiated && !fui->active_search) {
+      fui->active_search = true;
+      w_fl_draw(fui);
+      return OK;
+    }
+  default:
+    d_args->data = (void *)&c;
+    app->active_callback(d_args);
+    break;
+  }
+  return OK;
+}
+
+void *w_fl_init(w_app_t *app) {
+  w_ui_file_list_t *fui = malloc(sizeof(w_ui_file_list_t));
+  app->main_ui.ui = fui;
+  app->main_ui.type = mw_fl_server;
+  app->main_ui.cb_refresh = w_fl_cb_refresh;
+  app->main_ui.b_keys = action_keys;
+  app->main_ui.b_keys_len = 4;
+  app->main_ui.cb_b_press = (w_cb_press_t) process_user_input;
+  app->active_callback = w_fl_cb;
+  w_init(&(fui->w), NULL, &(app->win), "");
+  WINDOW *win_parent = app->win;
+  fui->current_idx = 0;
+  fui->current_page = 1;
+  fui->pages = 1;
+  fui->current_count = 0;
+  fui->full_count = 0;
+  fui->activate_last = false;
+  fui->active_search = false;
+  fui->search_key = bfromcstrrangealloc(12, 64, "");
+  fui->start = NULL;
+  fui->current = NULL;
+  fui->w.sz.x = getmaxx(app->win);
+  fui->w.sz.y = getmaxy(app->win);
+
+  /* * INIT UI * */
+
+  /* define the width for each sub window */
+  int64_t left_w_x = app->coordinates.max_x / 10 * 5;
+  int64_t right_w_x = app->coordinates.max_x - left_w_x - 2;
+
+  /* create the list window */
+  fui->win_list = newwin(app->coordinates.max_y - 4, left_w_x, 2, 1);
+
+  /* create the action window */
+  fui->win_info =
+      newwin(app->coordinates.max_y - 4, right_w_x, 2, left_w_x + 1);
+  fui->max_lines = getmaxy(fui->win_list) - 3; /* 2+1 (bottom info line) */
+  return fui;
+}
+
+void w_fl_destroy(w_ui_file_list_t **fui) {
+  fl_clear((*fui)->start, (*fui)->current);
+  free(*fui);
+  *fui = NULL;
+}
+
+void w_fl_reset(w_ui_file_list_t *fl_ui) {
+  fl_clear(fl_ui->start, fl_ui->current);
+  fl_ui->current_idx = 0;
+  fl_ui->current_page = 0;
+  fl_ui->pages = 0;
+  fl_ui->current_count = 0;
+  fl_ui->full_count = 0;
+  fl_ui->activate_last = false;
+  fl_ui->active_search = false;
+}
+
+void w_fl_draw(w_ui_file_list_t *fui) {
+  int32_t sz_y, sz_x;
+  int32_t p_y, p_x;
+  WINDOW *win = fui->win_list;
+  getmaxyx(win, sz_y, sz_x);
+
+  int32_t sz_y_f = sz_y - 2; /* TODO: можно заменить на поле max_lines */
+  sz_x -= 1;                 /* do not count the borders */
+  p_y = 1;
+  p_x = 1;
+  fl_item_t *el = NULL;
+  fl_item_t *active_el = NULL;
+  int32_t cur_el_idx = 0;
+  curs_set(false);
+
+  box(fui->win_list, 0, 0);
+
+  if (fui->start != NULL) {
+    el = *(fui->start);
+    active_el = el;
+  }
+
+  if (fui->activate_last) {
+    fui->current_idx = fui->current_count - 1;
+    fui->activate_last = false;
+  }
+
+  if (fui->current_idx + 1 >= sz_y_f) {
+    p_y -= fui->current_idx - sz_y_f + 2;
+  }
+
+  do {
+    if (el == NULL)
+      break;
+    if (p_y < 1) {
+      p_y++;
+      cur_el_idx++;
+      continue;
+    }
+    if (cur_el_idx == fui->current_idx) {
+      wattrset(win, A_BOLD | A_REVERSE);
+      active_el = el;
+    }
+    p_x = 1;
+    p_x += u_utf8_curs_printw(win, p_y, p_x, el->name, sz_x - 1);
+    int pad = sz_x - p_x;
+    if (pad >= 0) {
+      mvwprintw(win, p_y, p_x, "%*s", pad, "");
+    }
+    if (cur_el_idx == fui->current_idx) {
+      wattroff(win, A_BOLD | A_REVERSE);
+    }
+    p_y++;
+    cur_el_idx++;
+  } while ((el = el->next) != NULL && p_y < sz_y_f);
+
+  p_x = 1;
+  int32_t p_len;
+
+  if (!fui->active_search && fui->search_key->slen > 0 &&
+      *(fui->start) == NULL) {
+    bstring text = bfromStatic("[No data to show]");
+    for (; p_y < (sz_y_f / 2); p_y++) {
+      mvwprintw(win, p_y, p_x, "%*s", sz_x - 1, "");
+    }
+    p_len = (sz_x - text->slen) / 2;
+    mvwprintw(win, p_y++, p_x, "%*s%s%*s", p_len, "", text->data, p_len, "");
+    for (; p_y < sz_y_f; p_y++) {
+      mvwprintw(win, p_y, p_x, "%*s", sz_x - 1, "");
+    }
+  } else {
+    for (; p_y < sz_y_f; p_y++) {
+      mvwprintw(win, p_y, p_x, "%*s", sz_x - 1, "");
+    }
+  }
+
+  char p_info[64];
+
+  /* Draw file info [right side] */
+  {
+    uint32_t p_y = 1;
+    p_x = 1;
+    WINDOW *i_win = fui->win_info;
+    wclear(i_win);
+    box(fui->win_info, 0, 0);
+
+    /* Write to the right side the information about the file */
+    if (active_el != NULL) {
+      char size_text[64];
+      size_to_text(active_el->size, size_text);
+
+      mvwprintw(i_win, p_y++, p_x, "Size: %s", size_text);
+      mvwprintw(i_win, p_y++, p_x, "Owner: %s", active_el->owner);
+      if (active_el->description != NULL) {
+        mvwprintw(i_win, p_y++, p_x, "Description: ");
+        w_print_multiline_text(i_win, active_el->description, sz_x, p_y, p_x,
+                               0);
+      }
+    }
+  }
+
+  /* Search bar */
+  p_x = 1;
+  wattrset(win, A_BOLD);
+  if (fui->active_search) {
+    sprintf(p_info, "[search]: %s%n", fui->search_key->data, &p_len);
+    mvwprintw(win, p_y, p_x, "%-*s", sz_x, p_info);
+    curs_set(true);
+    wmove(win, p_y, p_x + p_len);
+  } else {
+    uint32_t l_pad = 0;
+    sprintf(p_info, "P: %u/%u F: %u L: %u%n", fui->current_page, fui->pages,
+            fui->current_count, fui->full_count, &p_len);
+
+    if (fui->search_key->slen > 0) {
+      wattrset(win, A_REVERSE);
+      mvwprintw(win, p_y, p_x, "[%s]", fui->search_key->data);
+      wattroff(win, A_REVERSE);
+      l_pad = fui->search_key->slen + 2;
+      mvwprintw(win, p_y, p_x + l_pad, " %.*s", sz_x - l_pad, p_info);
+    } else {
+      sprintf(p_info, "page: %u/%u files: %u left: %u%n", fui->current_page,
+              fui->pages, fui->current_count, fui->full_count, &p_len);
+      l_pad = (sz_x - p_len) / 2;
+      if (!(l_pad % 2)) {
+        l_pad--;
+      }
+      mvwprintw(win, p_y, p_x, "%*s%s%*s", l_pad, "", p_info, l_pad, "");
+    }
+  }
+  wattroff(win, A_BOLD);
+}