show percentage complete for file transfers

src/chat.c

@@ -251,6 +251,7 @@ static void chat_onFileSendRequest(ToxWindow *self, Tox *m, int32_t num, uint8_t
     line_info_add(self, NULL, NULL, NULL, msg, SYS_MSG, 0, 0);
 
     friends[num].file_receiver.pending[filenum] = true;
+    friends[num].file_receiver.size[filenum] = filesize;
     strcpy(friends[num].file_receiver.filenames[filenum], filename);
 
     alert_window(self, WINDOW_ALERT_2, true);
@@ -259,6 +260,7 @@ static void chat_onFileSendRequest(ToxWindow *self, Tox *m, int32_t num, uint8_t
 static void chat_close_file_receiver(int num, uint8_t filenum)
 {
     friends[num].file_receiver.pending[filenum] = false;
+    friends[num].file_receiver.size[filenum]  = 0;
     FILE *file = friends[num].file_receiver.files[filenum];
 
     if (file != NULL)
@@ -281,7 +283,8 @@ static void chat_onFileControl(ToxWindow *self, Tox *m, int32_t num, uint8_t rec
 
     switch (control_type) {
     case TOX_FILECONTROL_ACCEPT:
-        snprintf(msg, sizeof(msg), "File transfer for '%s' accepted.", filename);
+        snprintf(msg, sizeof(msg), "File transfer for '%s' accepted (%.1f%%)", filename, 0.0);
+        file_senders[filenum].line_id = self->chatwin->hst->line_end->id + 1;
         break;
     /*case TOX_FILECONTROL_PAUSE:
         wprintw(ctx->history, "File transfer for '%s' paused.\n", filename);
@@ -314,6 +317,20 @@ static void chat_onFileData(ToxWindow *self, Tox *m, int32_t num, uint8_t filenu
         tox_file_send_control(m, num, 1, filenum, TOX_FILECONTROL_KILL, 0, 0);
         chat_close_file_receiver(num, filenum);
     }
+
+    /* refresh line with percentage complete */
+    uint8_t msg[MAX_STR_SIZE];
+    uint64_t size = friends[num].file_receiver.size[filenum];
+    long double remain = (double) tox_file_data_remaining(m, num, filenum, 1);
+    long double pct_remain = 100;
+
+    if (remain)
+        pct_remain = (1 - (remain / size)) * 100;
+
+    const uint8_t *name = friends[num].file_receiver.filenames[filenum];
+    snprintf(msg, sizeof(msg), "Saving file as: '%s' (%.1Lf%%)", name, pct_remain);
+    line_info_set(self, friends[num].file_receiver.line_id, msg);
+
 }
 
 static void chat_onGroupInvite(ToxWindow *self, Tox *m, int32_t friendnumber, uint8_t *group_pub_key)

src/chat_commands.c

@@ -183,8 +183,9 @@ void cmd_savefile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
 
     if (tox_file_send_control(m, self->num, 1, filenum, TOX_FILECONTROL_ACCEPT, 0, 0) == 0) {
         uint8_t msg[MAX_STR_SIZE];
-        snprintf(msg, sizeof(msg), "Accepted file transfer %u. Saving file as: '%s'", filenum, filename);
+        snprintf(msg, sizeof(msg), "Saving file as: '%s' (%.1f%%)", filename, 0.0);
         line_info_add(self, NULL, NULL, NULL, msg, SYS_MSG, 0, 0);
+        friends[self->num].file_receiver.line_id = self->chatwin->hst->line_end->id;
 
         if ((friends[self->num].file_receiver.files[filenum] = fopen(filename, "a")) == NULL) {
             errmsg = "* Error writing to file.";
@@ -265,6 +266,7 @@ void cmd_sendfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
             file_senders[i].filenum = filenum;
             file_senders[i].friendnum = self->num;
             file_senders[i].timestamp = get_unix_time();
+            file_senders[i].size = filesize;
             file_senders[i].piecelen = fread(file_senders[i].nextpiece, 1,
                                              tox_file_data_size(m, self->num), file_to_send);
 

src/file_senders.c

@@ -29,6 +29,7 @@
 #include <time.h>
 
 #include "toxic_windows.h"
+#include "line_info.h"
 
 FileSender file_senders[MAX_FILES];
 uint8_t max_file_senders_index;
@@ -61,12 +62,14 @@ void close_all_file_senders(void)
 
 void do_file_senders(Tox *m)
 {
+    uint8_t msg[MAX_STR_SIZE];
     int i;
 
     for (i = 0; i < max_file_senders_index; ++i) {
         if (!file_senders[i].active)
             continue;
 
+        ToxWindow *self = file_senders[i].toxwin;
         uint8_t *pathname = file_senders[i].pathname;
         int filenum = file_senders[i].filenum;
         int32_t friendnum = file_senders[i].friendnum;
@@ -75,10 +78,9 @@ void do_file_senders(Tox *m)
 
         /* If file transfer has timed out kill transfer and send kill control */
         if (timed_out(file_senders[i].timestamp, current_time, TIMEOUT_FILESENDER)) {
-            ChatContext *ctx = file_senders[i].toxwin->chatwin;
-
-            if (ctx != NULL) {
-                wprintw(ctx->history, "File transfer for '%s' timed out.\n", pathname);
+            if (self->chatwin->history != NULL) {
+                snprintf(msg, sizeof(msg), "File transfer for '%s' timed out.", pathname);
+                line_info_add(self, NULL, NULL, NULL, msg, SYS_MSG, 0, 0);
                 alert_window(file_senders[i].toxwin, WINDOW_ALERT_2, true);
             }
 
@@ -96,11 +98,22 @@ void do_file_senders(Tox *m)
             file_senders[i].piecelen = fread(file_senders[i].nextpiece, 1, 
                                              tox_file_data_size(m, friendnum), fp);
 
-            if (file_senders[i].piecelen == 0) {
-                ChatContext *ctx = file_senders[i].toxwin->chatwin;
+            /* refresh line with percentage complete */
+            uint64_t size = file_senders[i].size;
+            long double remain = (double) tox_file_data_remaining(m, friendnum, filenum, 0);
+            long double pct_remain = 100;
 
-                if (ctx != NULL) {
-                    wprintw(ctx->history, "File '%s' successfuly sent.\n", pathname);
+            if (remain)
+                pct_remain = (1 - (remain / size)) * 100;
+
+            const uint8_t *name = file_senders[filenum].pathname;
+            snprintf(msg, sizeof(msg), "File transfer for '%s' accepted (%.1Lf%%)", name, pct_remain);
+            line_info_set(self, file_senders[filenum].line_id, msg);
+
+            if (file_senders[i].piecelen == 0) {
+                if (self->chatwin->history != NULL) {
+                    snprintf(msg, sizeof(msg), "File '%s' successfuly sent.", pathname);
+                    line_info_add(self, NULL, NULL, NULL, msg, SYS_MSG, 0, 0);
                     alert_window(file_senders[i].toxwin, WINDOW_ALERT_2, true);
                 }
 

src/line_info.c

@@ -325,6 +325,20 @@ void line_info_print(ToxWindow *self)
     }
 }
 
+void line_info_set(ToxWindow *self, uint32_t id, uint8_t *msg)
+{
+    struct line_info *line = self->chatwin->hst->line_end;
+
+    while (line) {
+        if (line->id == id) {
+            snprintf(line->msg, sizeof(line->msg), "%s", msg);
+            return;
+        }
+
+        line = line->prev;
+    }
+}
+
 static void line_info_goto_root(struct history *hst)
 {
     hst->line_start = hst->line_root;

src/line_info.h

@@ -77,6 +77,9 @@ void line_info_toggle_scroll(ToxWindow *self, bool scroll);
 /* clears the screen (does not delete anything) */
 void line_info_clear(struct history *hst);
 
+/* puts msg in specified line_info->msg buffer */
+void line_info_set(ToxWindow *self, uint32_t id, uint8_t *msg);
+
 void line_info_init(struct history *hst);
 void line_info_onKey(ToxWindow *self, wint_t key);
 void line_info_onDraw(ToxWindow *self);

src/toxic_windows.h

@@ -207,12 +207,16 @@ typedef struct {
     uint16_t piecelen;
     uint8_t pathname[MAX_STR_SIZE];
     uint64_t timestamp;
+    uint64_t size;
+    uint32_t line_id;
 } FileSender;
 
 struct FileReceiver {
     uint8_t filenames[MAX_FILES][MAX_STR_SIZE];
     FILE *files[MAX_FILES];
     bool pending[MAX_FILES];
+    uint64_t size[MAX_FILES];
+    uint32_t line_id;
 };
 
 /* End file transfer code */