UI: file list improvements

src/deps.mk

@@ -0,0 +1,30 @@
+client.o: src/client.c src/file_processor.h src/main.h src/types.h \
+ src/ui/widget/file_list.h src/ui/widget/../widget.h \
+ src/ui/widget/../../main.h src/client.h
+connection.o: src/connection.c src/main.h src/types.h src/ui/app.h \
+ src/ui/../common.h src/ui/widget.h src/ui/../main.h \
+ src/ui/widget/dialogue.h src/ui/widget/../widget.h \
+ src/ui/widget/../../common.h src/ui/widget/button.h \
+ src/ui/widget/../../main.h src/ui/widget/group.h
+file_processor.o: src/file_processor.c src/client.h src/main.h \
+ src/types.h src/file_processor.h src/ui/widget/file_list.h \
+ src/ui/widget/../widget.h src/ui/widget/../../main.h src/query.h \
+ src/ui/app.h src/ui/../common.h src/ui/widget.h src/ui/widget/dialogue.h \
+ src/ui/widget/../../common.h src/ui/widget/button.h \
+ src/ui/widget/../../main.h src/ui/widget/group.h \
+ src/ui/widget/dialogue.h src/ui/widget/progress_bar.h
+fs.o: src/fs.c
+main.o: src/main.c src/connection.h src/main.h src/types.h src/ui/app.h \
+ src/ui/../common.h src/ui/widget.h src/ui/../main.h \
+ src/ui/widget/dialogue.h src/ui/widget/../widget.h \
+ src/ui/widget/../../common.h src/ui/widget/button.h \
+ src/ui/widget/../../main.h src/ui/widget/group.h src/query.h \
+ src/ui/widget.h src/ui/widget/file_list.h
+query.o: src/query.c src/client.h src/main.h src/types.h src/connection.h \
+ src/ui/app.h src/ui/../common.h src/ui/widget.h src/ui/../main.h \
+ src/ui/widget/dialogue.h src/ui/widget/../widget.h \
+ src/ui/widget/../../common.h src/ui/widget/button.h \
+ src/ui/widget/../../main.h src/ui/widget/group.h src/file_processor.h \
+ src/ui/widget/file_list.h src/server.h
+server.o: src/server.c src/main.h src/types.h src/ui/widget/file_list.h \
+ src/ui/widget/../widget.h src/ui/widget/../../main.h

src/file_processor.c

@@ -36,19 +36,17 @@ void file_list(file_args_t *f_args, query_args_t *q_args) {
   dialogue_t *d = (dialogue_t *)q_args->active_dialogue;
   fui->start = &(f_args->l_start);
   fui->current = &(f_args->l_current);
+  bool list_end_reached = false;
 
   if (qbuf_used == 0)
     qbuf[0] = 0;
 
+  if (!list_end_reached) {
     while ((qlen = query_extract_from_buf(q_args->buf, &(q_args->buf_used),
                                           &query))) {
       if (!strcmp("list_end\n", query)) {
-      q_args->state = S_FILE_SELECT;
-      draw_file_list(fui);
-      if (d != NULL && d->is_initiated) {
-        d->needs_update = true;
-      }
         idx = 1;
+        list_end_reached = true;
         break;
       }
       strcat(qbuf, query);
@@ -62,18 +60,18 @@ void file_list(file_args_t *f_args, query_args_t *q_args) {
       qbuf_used = 0;
       qbuf[0] = 0;
     }
+  }
 
-  uint32_t current_page, pages, current_count, full_count;
 
   while ((qlen = query_extract_from_buf(q_args->buf, &(q_args->buf_used),
                                         &query))) {
-    if (4 == sscanf(query, "=== PAGE %u/%u COUNT: %u/%u ===", &current_page,
+    if (4 == sscanf(query, "=== PAGE %u/%u COUNT: %u/%u ===", &fui->current_page,
-                    &pages, &current_count, &full_count)) {
+                    &fui->pages, &fui->current_count, &fui->full_count)) {
-      fui->current_page = current_page;
+      if (d != NULL && d->is_initiated) {
-      fui->current_count = current_count;
+        d->needs_update = true;
-      fui->full_count = full_count;
+      }
-      fui->pages = pages;
       draw_file_list(fui);
+      q_args->state = S_FILE_SELECT;
       return;
     }
   }
@@ -195,6 +193,8 @@ 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;
+  uint32_t a_len = 0;
 
   if (size_rest == 0)
     size_rest = f_selected->size;
@@ -223,7 +223,9 @@ void file_download(file_args_t *f_args, query_args_t *q_args) {
       q_args->notification = malloc(strlen(answer) + 1);
       strcpy(q_args->notification, answer);
       free(f_selected->name);
-      write(q_args->sd, "file list\n", sizeof("file list\n") - 1);
+      sprintf(answer, "file list %u %u\n%n", fui->max_lines, fui->current_page,
+              &a_len);
+      write(q_args->sd, answer, a_len);
       q_args->state = S_FILE_LIST;
     }
   }

src/query.c

@@ -22,7 +22,6 @@
 #include "main.h"
 #include "server.h"
 #include "ui/app.h"
-#include "ui/widget/dialogue.h"
 
 static void wait_side(query_args_t *q_args);
 void user_request_description(query_args_t *q_args);

src/server.c

@@ -1,4 +1,5 @@
 #include "main.h"
+#include "ui/widget/file_list.h"
 #include <arpa/inet.h>
 #include <fcntl.h>
 #include <netinet/in.h>
@@ -28,6 +29,9 @@ int process_server_command(char *line, int l_len, query_args_t *q_args) {
   const char *login_options[] = {"Username", "Anonymous", "Register", NULL};
   uint32_t answer;
   uint64_t new_capacity;
+  ui_file_list_t *fui = (ui_file_list_t *)q_args->file_list_ui;
+  char query[INBUFSIZE];
+  int32_t q_len = 0;
 
   char *cptr = strchr(line, ' ');
   if (cptr != NULL && cptr > line)
@@ -69,7 +73,9 @@ int process_server_command(char *line, int l_len, query_args_t *q_args) {
   /* REGISTER CONFIRMATION */
   if (q_args->state == WAIT_REGISTER_CONFIRMATION) {
     if (!strcmp(line, "ok")) {
-      write(q_args->sd, "file list", sizeof("file list"));
+      sprintf(query, "file list %u %u\n%n", fui->max_lines, fui->current_page,
+              &q_len);
+      write(q_args->sd, query, q_len);
       q_args->state = S_FILE_LIST;
       return 0;
     } else {
@@ -86,7 +92,9 @@ int process_server_command(char *line, int l_len, query_args_t *q_args) {
 
   /* WELCOME MES */
   if (!strncmp(line, "Welcome, ", ws_pos)) {
-    write(q_args->sd, "file list\n", sizeof("file list\n")-1);
+    sprintf(query, "file list %u %u\n%n", fui->max_lines, fui->current_page,
+            &q_len);
+    write(q_args->sd, query, q_len);
     q_args->state = S_FILE_LIST;
     return 0;
   }
@@ -110,7 +118,8 @@ int process_server_command(char *line, int l_len, query_args_t *q_args) {
       strncat(q_args->server_message.text, line, l_len);
       q_args->server_message.text[q_args->server_message.size + l_len] = 0;
     }
-    char *end_char = strchr(q_args->server_message.text, '\04'); /* Search for the end of the notification */
+    char *end_char = strchr(q_args->server_message.text,
+                            '\04'); /* Search for the end of the notification */
     if (end_char != NULL) {
       *end_char = '\0'; /* Don't show this symbol */
       q_args->state = S_PRINT_SERVER_MESSAGE;

src/ui/widget/file_list.c

@@ -1,7 +1,7 @@
 #include "file_list.h"
 #include "../../file_processor.h"
-#include "../app.h"
 #include "../../fs.h"
+#include "../app.h"
 #include "progress_bar.h"
 #include <ncurses.h>
 #include <stdbool.h>
@@ -30,7 +30,8 @@ void file_list_cb(callback_args_t *args) {
     } else if (fui->current_page < fui->pages) {
       fl_clear(fui->start, fui->current);
       app->query_args->state = S_FILE_LIST;
-      sprintf(query, "p%u\n%n", fui->current_page + 1, &q_len);
+      sprintf(query, "file list %u %u\n%n", fui->max_lines,
+              fui->current_page + 1, &q_len);
       write(app->query_args->sd, query, q_len);
       reset_file_list(fui);
     }
@@ -42,7 +43,8 @@ void file_list_cb(callback_args_t *args) {
     } else if (fui->current_page > 1) {
       fl_clear(fui->start, fui->current);
       app->query_args->state = S_FILE_LIST;
-      sprintf(query, "p%u\n%n", fui->current_page - 1, &q_len);
+      sprintf(query, "file list %u %u\n%n", fui->max_lines,
+              fui->current_page - 1, &q_len);
       write(app->query_args->sd, query, q_len);
       reset_file_list(fui);
       fui->activate_last = true;
@@ -57,13 +59,15 @@ void file_list_cb(callback_args_t *args) {
 ui_file_list_t *init_file_list(WINDOW **win, WINDOW *const *info_win) {
   ui_file_list_t *fl_ui = malloc(sizeof(ui_file_list_t));
   init_widget(&(fl_ui->w), NULL, win, "");
+  WINDOW *parent_win = *(fl_ui->w.parent_win);
   fl_ui->current_idx = 0;
-  fl_ui->current_page = 0;
+  fl_ui->current_page = 1;
-  fl_ui->pages = 0;
+  fl_ui->pages = 1;
   fl_ui->current_count = 0;
   fl_ui->full_count = 0;
   fl_ui->activate_last = false;
   fl_ui->info_win = info_win;
+  fl_ui->max_lines = getmaxy(parent_win) - 3; /* 2+1 (bottom info line) */
   return fl_ui;
 }
 
@@ -79,9 +83,9 @@ void reset_file_list(ui_file_list_t *fl_ui) {
 void draw_file_list(ui_file_list_t *fl_ui) {
   int32_t sz_y, sz_x;
   int32_t p_y, p_x;
-  WINDOW *win = *(fl_ui->w.parent_win);
+  WINDOW *parent_win = *(fl_ui->w.parent_win);
-  getmaxyx(win, sz_y, sz_x);
+  getmaxyx(parent_win, sz_y, sz_x);
-  int32_t sz_y_f = sz_y - 2; // actual size (without box)
+  int32_t sz_y_f = sz_y - 2; /* TODO: можно заменить на поле max_lines */
   p_y = 1;
   p_x = 1;
   fl_item_t *el = *(fl_ui->start);
@@ -105,14 +109,14 @@ void draw_file_list(ui_file_list_t *fl_ui) {
       continue;
     }
     if (cur_el_idx == fl_ui->current_idx) {
-      wattrset(win, A_BOLD | A_REVERSE);
+      wattrset(parent_win, A_BOLD | A_REVERSE);
       active_el = el;
     }
     p_x = 1;
-    mvwprintw(win, p_y, p_x, "%s%n", el->name, &p_x);
+    mvwprintw(parent_win, p_y, p_x, "%s%n", el->name, &p_x);
-    mvwprintw(win, p_y, p_x + 1, "%*s", sz_x - p_x, "");
+    mvwprintw(parent_win, p_y, p_x + 1, "%*s", sz_x - p_x, "");
     if (cur_el_idx == fl_ui->current_idx) {
-      wattroff(win, A_BOLD | A_REVERSE);
+      wattroff(parent_win, A_BOLD | A_REVERSE);
     }
     p_y++;
     cur_el_idx++;
@@ -121,7 +125,7 @@ void draw_file_list(ui_file_list_t *fl_ui) {
   p_x = 1;
 
   for (; p_y < sz_y_f; p_y++) {
-    mvwprintw(win, p_y, p_x, "%*s", sz_x - 1, "");
+    mvwprintw(parent_win, p_y, p_x, "%*s", sz_x - 1, "");
   }
   char p_info[24];
   uint32_t p_len;
@@ -132,9 +136,9 @@ void draw_file_list(ui_file_list_t *fl_ui) {
 
   uint32_t l_pad = (sz_x - p_len) / 2;
 
-  wattrset(win, A_BOLD);
+  wattrset(parent_win, A_BOLD);
-  mvwprintw(win, p_y, p_x, "%*s%s%*s", l_pad, "", p_info, l_pad, "");
+  mvwprintw(parent_win, p_y, p_x, "%*s%s%*s", l_pad, "", p_info, l_pad, "");
-  wattroff(win, A_BOLD);
+  wattroff(parent_win, A_BOLD);
 
   /* draw file info */
   p_y = 1;

src/ui/widget/file_list.h

@@ -12,8 +12,9 @@ typedef struct {
     uint32_t full_count;
     uint32_t pages;
     uint32_t current_page;
-    uint32_t activate_last : 1;
+    uint32_t max_lines;
     WINDOW *const* info_win;
+    uint32_t activate_last : 1;
 } ui_file_list_t;
 
 void draw_file_list(ui_file_list_t *fl_ui);