From 8676269f20459145fc4c488d7e6c4854d2e4cae9 Mon Sep 17 00:00:00 2001
From: "me@ow.nekobit.net" <me@ow.nekobit.net>
Date: Tue, 29 Mar 2022 14:11:10 +0000
Subject: [PATCH] Navigation buttons {min,max}_id and prev

FossilOrigin-Name: c53c85a60a5d86bd2a0817b06956a64f80dc518b5fe5162495317ed332c9bc27
---
 dist/treebird20.css    | 17 +++++++++++++++++
 src/navigation.c       | 16 ++++++++++++++--
 src/navigation.h       |  5 ++++-
 src/query.c            |  5 ++++-
 src/query.h            |  4 +++-
 src/timeline.c         | 15 +++++++++++----
 static/navigation.html | 16 +++++++++-------
 7 files changed, 62 insertions(+), 16 deletions(-)

diff --git a/dist/treebird20.css b/dist/treebird20.css
index d1ea772..fc0fad1 100644
--- a/dist/treebird20.css
+++ b/dist/treebird20.css
@@ -185,6 +185,23 @@ input[type=button]:active, input[type=submit]:active, .sidebarbtn:active, .btn:a
     cursor: pointer;
 }
 
+.btn-disabled
+{
+    color: #cacaca !important;
+    background: #f3f3f3 !important;
+}
+
+.btn-disabled:hover
+{
+    background: #f3f3f3;
+}
+
+.btn-disabled:active
+{
+    background: #f3f3f3;
+}
+
+
 input[type=button], input[type=submit]
 {
     border: 1px solid #cacaca;
diff --git a/src/navigation.c b/src/navigation.c
index c1bb9a3..dd107e7 100644
--- a/src/navigation.c
+++ b/src/navigation.c
@@ -16,19 +16,31 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <string.h>
 #include "navigation.h"
-
 #include "easprintf.h"
 
 // Pages
 #include "../static/navigation.chtml"
 
-char* construct_navigation_box(char* prev_id, char* next_id, size_t* size)
+#define SUBMIT_HTML "<input type=\"submit\" class=\"hidden\">"
+
+char* construct_navigation_box(char* start_id,
+                               char* prev_id,
+                               char* next_id,
+                               size_t* size)
 {
     char* nav_html;
+    int is_start = strcmp(start_id, prev_id) == 0;
 
     size_t s = easprintf(&nav_html, data_navigation_html,
+                         start_id,
                          prev_id,
+                         // Disable button if at start
+                         is_start ? "btn-disabled" : "",
+                         is_start ? "" : SUBMIT_HTML,
+                         // If user pressed next, reserve start state
+                         start_id,
                          next_id);
     if (size) *size = s;
     return nav_html;
diff --git a/src/navigation.h b/src/navigation.h
index 124ccf8..e15901b 100644
--- a/src/navigation.h
+++ b/src/navigation.h
@@ -21,6 +21,9 @@
 #include <stddef.h>
 #include <mastodont.h>
 
-char* construct_navigation_box(char* prev_id, char* next_id, size_t* size);
+char* construct_navigation_box(char* start_id,
+                               char* prev_id,
+                               char* next_id,
+                               size_t* size);
 
 #endif // NAVIGATION_H
diff --git a/src/query.c b/src/query.c
index 3558c08..9762b59 100644
--- a/src/query.c
+++ b/src/query.c
@@ -35,7 +35,6 @@ char* read_query_data()
     // BEGIN Query references
     struct key_value_refs refs[] = {
         { "offset", &(query.offset) },
-        { "id", &(query.id) },
     };
     // END Query references
     
@@ -81,6 +80,10 @@ char* read_post_data()
         { "username", &(post.username) },
         { "password", &(post.password) },
         { "replyid", &(post.replyid) },
+        { "min_id", &(post.min_id) },
+        { "max_id", &(post.max_id) },
+        { "start_id", &(post.start_id) },
+
     };
     // END Query references
 
diff --git a/src/query.h b/src/query.h
index c7fa89e..fc8d60e 100644
--- a/src/query.h
+++ b/src/query.h
@@ -36,12 +36,14 @@ struct query_values
     char* username;
     char* password;
     char* replyid;
+    char* min_id;
+    char* max_id;
+    char* start_id;
 };
 
 struct get_values
 {
     char* offset;
-    char* id;
 };
 
 extern struct query_values post;
diff --git a/src/timeline.c b/src/timeline.c
index a004bcf..31cb7da 100644
--- a/src/timeline.c
+++ b/src/timeline.c
@@ -25,6 +25,7 @@
 #include "easprintf.h"
 #include "reply.h"
 #include "navigation.h"
+#include "query.h"
 
 #include "../static/navigation.chtml"
 
@@ -36,14 +37,15 @@ void tl_public(mastodont_t* api, int local)
     struct mstdnt_storage storage = { 0 };
     char* status_format, *post_box, *navigation_box;
     char* output = NULL;
+    char* start_id;
 
     struct mstdnt_args args = {
         .local = local,
         .remote = 0,
         .only_media = 0,
-        .max_id = NULL,
+        .max_id = post.max_id,
         .since_id = NULL,
-        .min_id = NULL,
+        .min_id = post.min_id,
         .limit = 20
     };
 
@@ -61,10 +63,15 @@ void tl_public(mastodont_t* api, int local)
         cleanup = 1;
     }
 
+    // If not set, set it
+    start_id = post.start_id ? post.start_id : statuses[0].id;
+
     // Create post box
     post_box = construct_post_box(NULL, "", NULL);
-    navigation_box = construct_navigation_box(
-        statuses[0].id, statuses[status_count].id, NULL);
+    navigation_box = construct_navigation_box(start_id,
+                                              statuses[0].id,
+                                              statuses[status_count-1].id,
+                                              NULL);
     easprintf(&output, "%s%s%s", post_box, status_format, navigation_box);
 
     struct base_page b = {
diff --git a/static/navigation.html b/static/navigation.html
index 608b14f..655a2be 100644
--- a/static/navigation.html
+++ b/static/navigation.html
@@ -1,7 +1,7 @@
 <table class="navigation ui-table">
   <tr>
     <td class="nav-up btn">
-      <form action="." method="get">
+      <form action="." method="post">
         <label class="pointer">
           <span class="nav-btn">Up</span>
           <input type="submit" class="hidden">
@@ -9,18 +9,20 @@
       </form>
     </td>
     <td class="nav-prev btn">
-      <form action="." method="get">
+      <form action="." method="post">
         <label class="pointer">
-          <input type="hidden" name="max_id" value="%s">
-          <span class="nav-btn">Previous</span>
-          <input type="submit" class="hidden">
+          <input type="hidden" name="start_id" value="%s">
+          <input type="hidden" name="min_id" value="%s">
+          <span class="nav-btn %s">Previous</span>
+          %s
         </label>
       </form>
     </td>
     <td class="nav-next btn">
-      <form action="." method="get">
+      <form action="." method="post">
         <label class="pointer">
-          <input type="hidden" name="min_id" value="%s">
+          <input type="hidden" name="start_id" value="%s">
+          <input type="hidden" name="max_id" value="%s">
           <span class="nav-btn">Next</span>
           <input type="submit" class="hidden">
         </label>