Relative find file and small fixes

- Save text was not always displaying
- Files were sometimes not reloaded properly

4 files changed, 68 insertions, 19 deletions

diff --git a/src/dged/buffer.c b/src/dged/buffer.c
index f1ce2ce..8e63e1f 100644
--- a/src/dged/buffer.c
+++ b/src/dged/buffer.c
@@ -356,11 +356,10 @@ void buffer_reload(struct buffer *buffer) {
     return;
   }
 
-  if (sb.st_mtim.tv_sec != buffer->last_write.tv_sec) {
+  if (sb.st_mtim.tv_sec != buffer->last_write.tv_sec ||
+      sb.st_mtim.tv_nsec != buffer->last_write.tv_nsec) {
     text_clear(buffer->text);
     buffer_read_from_file(buffer);
-  } else {
-    minibuffer_echo_timeout(2, "buffer %s not changed", buffer->filename);
   }
 }
 
@@ -488,9 +487,20 @@ struct location buffer_next_line(struct buffer *buffer, struct location dot) {
 
 struct location buffer_clamp(struct buffer *buffer, int64_t line, int64_t col) {
   struct location location = {.line = 0, .col = 0};
+  if (buffer_is_empty(buffer)) {
+    return location;
+  }
+
   movev(buffer, line, &location);
   moveh(buffer, col, &location);
 
+  // when clamping we want to stay inside
+  // the actual bounds
+  if (location.line >= buffer_num_lines(buffer)) {
+    location.line = buffer_num_lines(buffer) - 1;
+    location.col = buffer_num_chars(buffer, location.line);
+  }
+
   return location;
 }
 
diff --git a/src/dged/buffer_view.c b/src/dged/buffer_view.c
index 05d3caa..aeee2f6 100644
--- a/src/dged/buffer_view.c
+++ b/src/dged/buffer_view.c
@@ -78,7 +78,7 @@ void buffer_view_add(struct buffer_view *view, uint8_t *txt, uint32_t nbytes) {
 }
 
 void buffer_view_goto_beginning(struct buffer_view *view) {
-  view->dot = (struct location){.line = 1, .col = 0};
+  view->dot = (struct location){.line = 0, .col = 0};
 }
 
 void buffer_view_goto_end(struct buffer_view *view) {
diff --git a/src/dged/minibuffer.c b/src/dged/minibuffer.c
index 2105c52..eacf8da 100644
--- a/src/dged/minibuffer.c
+++ b/src/dged/minibuffer.c
@@ -91,7 +91,10 @@ void minibuffer_init(struct buffer *buffer) {
   }
 
   g_minibuffer.buffer = buffer;
+  g_minibuffer.expires.tv_sec = 0;
+  g_minibuffer.expires.tv_nsec = 0;
   g_minibuffer.clear = false;
+  g_minibuffer.prompt_active = false;
   buffer_add_update_hook(g_minibuffer.buffer, update, &g_minibuffer);
 }
 
@@ -100,6 +103,10 @@ void echo(uint32_t timeout, const char *fmt, va_list args) {
     return;
   }
 
+  clock_gettime(CLOCK_MONOTONIC, &g_minibuffer.expires);
+  g_minibuffer.expires.tv_sec += timeout;
+  g_minibuffer.clear = false;
+
   char buff[2048];
   size_t nbytes = vsnprintf(buff, 2048, fmt, args);
 
@@ -107,10 +114,6 @@ void echo(uint32_t timeout, const char *fmt, va_list args) {
   // of overflow
   buffer_set_text(g_minibuffer.buffer, (uint8_t *)buff,
                   nbytes > 2048 ? 2048 : nbytes);
-  g_minibuffer.clear = false;
-
-  clock_gettime(CLOCK_MONOTONIC, &g_minibuffer.expires);
-  g_minibuffer.expires.tv_sec += timeout;
 }
 
 void minibuffer_destroy() {
@@ -143,27 +146,59 @@ void minibuffer_set_prompt_internal(const char *fmt, va_list args) {
   vsnprintf(g_minibuffer.prompt, sizeof(g_minibuffer.prompt), fmt, args);
 }
 
-int32_t minibuffer_prompt(struct command_ctx command_ctx, const char *fmt,
-                          ...) {
+static void minibuffer_setup(struct command_ctx command_ctx,
+                             const char *initial) {
+  g_minibuffer.prompt_active = true;
+
+  command_ctx_free(&g_minibuffer.prompt_command_ctx);
+  g_minibuffer.prompt_command_ctx = command_ctx;
+
+  if (windows_get_active() != minibuffer_window()) {
+    g_minibuffer.prev_window = windows_get_active();
+    windows_set_active(minibuffer_window());
+  }
+
+  if (initial != NULL) {
+    buffer_set_text(g_minibuffer.buffer, (uint8_t *)initial, strlen(initial));
+
+    // there might be an earlier clear request but
+    // we have sort of taken care of that here
+    g_minibuffer.clear = false;
+
+    // TODO: what to do with these
+    buffer_view_goto_end_of_line(window_buffer_view(minibuffer_window()));
+  } else {
+    minibuffer_clear();
+  }
+}
+
+int32_t minibuffer_prompt_initial(struct command_ctx command_ctx,
+                                  const char *initial, const char *fmt, ...) {
   if (g_minibuffer.buffer == NULL) {
     return 1;
   }
 
+  minibuffer_setup(command_ctx, initial);
+
   va_list args;
   va_start(args, fmt);
+  minibuffer_set_prompt_internal(fmt, args);
+  va_end(args);
 
-  minibuffer_clear();
-  g_minibuffer.prompt_active = true;
+  return 0;
+}
 
-  command_ctx_free(&g_minibuffer.prompt_command_ctx);
-  g_minibuffer.prompt_command_ctx = command_ctx;
+int32_t minibuffer_prompt(struct command_ctx command_ctx, const char *fmt,
+                          ...) {
+  if (g_minibuffer.buffer == NULL) {
+    return 1;
+  }
 
-  minibuffer_set_prompt_internal(fmt, args);
+  minibuffer_setup(command_ctx, NULL);
 
-  if (windows_get_active() != minibuffer_window()) {
-    g_minibuffer.prev_window = windows_get_active();
-    windows_set_active(minibuffer_window());
-  }
+  va_list args;
+  va_start(args, fmt);
+  minibuffer_set_prompt_internal(fmt, args);
   va_end(args);
 
   return 0;
@@ -193,6 +228,7 @@ bool minibuffer_displaying() {
 
 void minibuffer_clear() {
   g_minibuffer.expires.tv_sec = 0;
+  g_minibuffer.expires.tv_nsec = 0;
   g_minibuffer.clear = true;
 }
 
diff --git a/src/dged/minibuffer.h b/src/dged/minibuffer.h
index 727aac5..b7c5171 100644
--- a/src/dged/minibuffer.h
+++ b/src/dged/minibuffer.h
@@ -59,6 +59,9 @@ void minibuffer_echo_timeout(uint32_t timeout, const char *fmt, ...);
  */
 int32_t minibuffer_prompt(struct command_ctx command_ctx, const char *fmt, ...);
 
+int32_t minibuffer_prompt_initial(struct command_ctx command_ctx,
+                                  const char *initial, const char *fmt, ...);
+
 void minibuffer_set_prompt(const char *fmt, ...);
 uint32_t minibuffer_draw_prompt(struct command_list *commands);