From 8221fd5451f094defa9866f98026b74a969f7693 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji6283@gmail.com>
Date: Mon, 8 Mar 2021 14:46:19 -0500
Subject: resizable widgets, default widget implementation for some functions,
 reimplementing meminfo in raleigh

---
 src/user/raleigh/w/button.cpp  | 11 +++++------
 src/user/raleigh/w/label.cpp   | 27 ++++++++++++++++++---------
 src/user/raleigh/w/padding.cpp |  7 ++++---
 src/user/raleigh/w/vbox.cpp    | 21 ++++++++++++++++++---
 4 files changed, 45 insertions(+), 21 deletions(-)

(limited to 'src/user/raleigh/w')

diff --git a/src/user/raleigh/w/button.cpp b/src/user/raleigh/w/button.cpp
index a92167e..2abf9a9 100644
--- a/src/user/raleigh/w/button.cpp
+++ b/src/user/raleigh/w/button.cpp
@@ -8,6 +8,7 @@ namespace raleigh {
     size = coord(inner.size.x + 2, inner.size.y + 2);
     closest_opaque = this;
     inner.notify_has_opaque_parent(this);
+    inner.parent = this;
   }
 
   void button::notify_window_change() {
@@ -49,11 +50,9 @@ namespace raleigh {
     }
   }
 
-  void button::notify_has_opaque_parent(widget *parent) {}
-
-  void button::handle_key(struct key_packet kp) {}
-
-  void button::on_focus() {}
+  void button::notify_child_size_change(widget &child, coord old_size) {
+    set_size(coord(inner.size.x + 2, inner.size.y + 2));
+  }
 
-  void button::on_unfocus() {}
+  void button::notify_has_opaque_parent(widget *parent) {}
 }
\ No newline at end of file
diff --git a/src/user/raleigh/w/label.cpp b/src/user/raleigh/w/label.cpp
index 046737f..21df2a2 100644
--- a/src/user/raleigh/w/label.cpp
+++ b/src/user/raleigh/w/label.cpp
@@ -4,12 +4,27 @@
 
 namespace raleigh {
   label::label(const char *value, const char *font, bool bg_transparent, _pixel_t fg, _pixel_t bg)
-    : value(value), fi(get_font(font)), bg_transparent(bg_transparent), fg(fg), bg(bg) {
-    size = coord(fi->space_width * (strlen(value) - 1) + fi->char_width, fi->char_height);
+    : fi(get_font(font)), bg_transparent(bg_transparent), fg(fg), bg(bg) {
+
+    v_size = strlen(value) + 1;
+    this->value = new char[v_size];
+    blockcpy(this->value, value, v_size);
+    size = coord(fi->space_width * (v_size - 2) + fi->char_width, fi->char_height);
+
     closest_opaque = 0;
   }
 
-  void label::notify_window_change() {}
+  void label::change_value(const char *new_value) {
+    delete[] value;
+    const uint32_t ns = strlen(new_value) + 1;
+    if (ns != v_size) {
+      v_size = ns;
+      value = new char[ns];
+      set_size(coord(fi->space_width * (ns - 2) + fi->char_width, fi->char_height));
+    }
+    blockcpy(value, new_value, ns);
+    w->notify_needs_paint(*this);
+  }
 
   void label::paint(_pixel_t *pixbuf, uint32_t pitch) {
     if (!bg_transparent)
@@ -23,13 +38,7 @@ namespace raleigh {
     }
   }
 
-  void label::handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) { }
-
   void label::notify_has_opaque_parent(widget *parent) {
     closest_opaque = parent;
   }
-
-  void label::handle_key(struct key_packet kp) {};
-  void label::on_focus() {};
-  void label::on_unfocus() {};
 }
\ No newline at end of file
diff --git a/src/user/raleigh/w/padding.cpp b/src/user/raleigh/w/padding.cpp
index 87167c3..c1f7b85 100644
--- a/src/user/raleigh/w/padding.cpp
+++ b/src/user/raleigh/w/padding.cpp
@@ -5,6 +5,7 @@ namespace raleigh {
     : inner(inner), pad_by(pad_by) {
     size = coord(inner.size.x + pad_by * 2, inner.size.y + pad_by * 2);
     closest_opaque = 0;
+    inner.parent = this;
   }
 
   void padding::notify_window_change() {
@@ -30,7 +31,7 @@ namespace raleigh {
     inner.notify_has_opaque_parent(parent);
   }
 
-  void padding::handle_key(struct key_packet kp) {};
-  void padding::on_focus() {};
-  void padding::on_unfocus() {};
+  void padding::notify_child_size_change(widget &child, coord old_size) {
+    set_size(coord(inner.size.x + pad_by * 2, inner.size.y + pad_by * 2));
+  }
 }
\ No newline at end of file
diff --git a/src/user/raleigh/w/vbox.cpp b/src/user/raleigh/w/vbox.cpp
index 08c2539..263da2a 100644
--- a/src/user/raleigh/w/vbox.cpp
+++ b/src/user/raleigh/w/vbox.cpp
@@ -4,6 +4,7 @@ namespace raleigh {
   vbox::vbox(dllist<widget &> widgets) : widgets(widgets) {
     uint32_t w = 0, h = 0;
     for (dllist<widget &>::node *n = widgets.first; n; n = n->next) {
+      n->d.parent = this;
       h += n->d.size.y;
       if (n->d.size.x > w)
         w = n->d.size.x;
@@ -45,7 +46,21 @@ namespace raleigh {
       n->d.notify_has_opaque_parent(parent);
   }
 
-  void vbox::handle_key(struct key_packet kp) {};
-  void vbox::on_focus() {};
-  void vbox::on_unfocus() {};
+  void vbox::notify_child_size_change(widget &from, coord old_size) {
+    if ((old_size.y == from.size.y) && (from.size.x <= size.x)) {
+      from.window_offset.x = window_offset.x + size.x / 2 - from.size.x / 2;
+      from.notify_window_change();
+    }
+
+    else {//lazy, less efficient approach
+      uint32_t h = 0, w = 0;
+      for (dllist<widget &>::node *n = widgets.first; n; n = n->next) {
+        h += n->d.size.y;
+        if (n->d.size.x > w)
+          w = n->d.size.x;
+      }
+      set_size(coord(w, h));
+      notify_window_change();
+    }
+  }
 }
\ No newline at end of file
-- 
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