settings editor, and lots of changes in service of that

16 files changed, 217 insertions, 61 deletions

diff --git a/src/user/include/cxx/raleigh/d/dialog.h b/src/user/include/cxx/raleigh/d/dialog.h
new file mode 100644
index 0000000..f207033
--- /dev/null
+++ b/src/user/include/cxx/raleigh/d/dialog.h
@@ -0,0 +1,37 @@
+#ifndef RALEIGH_D_DIALOG_H
+#define RALEIGH_D_DIALOG_H
+
+#include <raleigh/w/vbox.h>
+#include <raleigh/window.h>
+#include <structs/alist.h>
+#include <structs/duple.h>
+#include <stdint.h>
+
+namespace raleigh {
+  typedef uint32_t diag_result_t;
+  enum : diag_result_t {
+    NONE = 0,
+    YES,
+    NO,
+    CANCEL,
+    RETRY
+  };
+  extern alist<duple<const char *, diag_result_t>> &yes_no_cancel;
+  extern alist<duple<const char *, diag_result_t>> &yes_no_retry;
+  class dialog : public window {
+  public:
+    //button names are copied
+    //alist isn't needed past constructor
+    dialog(widget &top_part, alist<duple<const char *, diag_result_t>> buttons);
+
+    //zero means not set yet
+    diag_result_t result;
+
+    void show_modal();
+
+  private:
+    vbox *main_box;
+  };
+}
+
+#endif
\ No newline at end of file
diff --git a/src/user/include/cxx/raleigh/d/saving_window.h b/src/user/include/cxx/raleigh/d/saving_window.h
new file mode 100644
index 0000000..84b6f69
--- /dev/null
+++ b/src/user/include/cxx/raleigh/d/saving_window.h
@@ -0,0 +1,20 @@
+#ifndef RALEIGH_D_SAVING_WINDOW_H
+#define RALEIGH_D_SAVING_WINDOW_H
+
+#include <raleigh/w/vbox.h>
+#include <raleigh/window.h>
+
+namespace raleigh {
+  typedef void *save_tag_t;
+  class saving_window : public window {
+  public:
+    //save_func returns true if saving was successful
+    saving_window(bool (*save_func)(save_tag_t), save_tag_t save_tag, widget &root, _pixel_t bg_color=RGB(bf, bf, bf));
+    bool is_saved;
+
+    bool (*save_func)(save_tag_t);
+    save_tag_t save_tag;
+  };
+};
+
+#endif
\ No newline at end of file
diff --git a/src/user/include/cxx/raleigh/runtime.h b/src/user/include/cxx/raleigh/runtime.h
index 92bd230..4342beb 100644
--- a/src/user/include/cxx/raleigh/runtime.h
+++ b/src/user/include/cxx/raleigh/runtime.h
@@ -7,6 +7,7 @@
 namespace raleigh {
   void start_runtime() __attribute__ ((noreturn));
   extern dllist<window &> open_windows;
+  extern dllist<window &> to_be_deleted;
 }
 
 #endif
\ No newline at end of file
diff --git a/src/user/include/cxx/raleigh/w/button.h b/src/user/include/cxx/raleigh/w/button.h
index 71ccae2..c56a6e3 100644
--- a/src/user/include/cxx/raleigh/w/button.h
+++ b/src/user/include/cxx/raleigh/w/button.h
@@ -4,10 +4,12 @@
 #include <raleigh/widget.h>
 
 namespace raleigh {
+  typedef void *button_tag_t;
   class button : public widget {
   public:
-    button(widget &inner, void (*on_click)(button &), _pixel_t border_color=RGB(00, 00, 00),
-      _pixel_t bg_color=RGB(bf, bf, bf), _pixel_t pressed_color=RGB(9f, 9f, 9f));
+    button(widget &inner, void (*on_click)(button_tag_t), button_tag_t tag=0,
+      _pixel_t border_color=RGB(00, 00, 00), _pixel_t bg_color=RGB(bf, bf, bf),
+      _pixel_t pressed_color=RGB(9f, 9f, 9f));
 
     void notify_window_change() override;
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
@@ -16,7 +18,8 @@ namespace raleigh {
     void notify_has_opaque_parent(widget *parent) override;
   private:
     widget &inner;
-    void (*on_click)(button &);
+    void (*on_click)(button_tag_t);
+    button_tag_t tag;
     _pixel_t border_color;
     _pixel_t bg_color;
     _pixel_t pressed_color;
diff --git a/src/user/include/cxx/raleigh/w/colorpicker.h b/src/user/include/cxx/raleigh/w/colorpicker.h
index 471787d..f791b2a 100644
--- a/src/user/include/cxx/raleigh/w/colorpicker.h
+++ b/src/user/include/cxx/raleigh/w/colorpicker.h
@@ -8,6 +8,7 @@ namespace raleigh {
   public:
     colorpicker(_pixel_t default_color=RGB(20, 70, 30), uint8_t resolution=4);
     _pixel_t get_picked_color() __attribute__ ((pure));
+    void set_picked_color(_pixel_t c);
 
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
     void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) override;
diff --git a/src/user/include/cxx/raleigh/w/entry.h b/src/user/include/cxx/raleigh/w/entry.h
index 001cae2..c86b281 100644
--- a/src/user/include/cxx/raleigh/w/entry.h
+++ b/src/user/include/cxx/raleigh/w/entry.h
@@ -8,10 +8,15 @@ namespace raleigh {
   class entry : public widget {
   public:
     //default_text's data is copied, so it's okay if it changes or if the memory is freed
-    entry(uint32_t rows, uint32_t cols, const char *default_text="",
+    entry(uint32_t rows=25, uint32_t cols=25, const char *default_text="",
           const char *font="fixed-10", _pixel_t bg=RGB(ff, ff, ff),
           _pixel_t fg=RGB(00, 00, 00), _pixel_t border_color=RGB(00, 00, 00));
 
+    //not a copy
+    const char *get_contents();
+    //s's data is copied
+    void set_contents(const char *s);
+
     void notify_window_change() override;
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
     void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) override;
diff --git a/src/user/include/cxx/raleigh/w/multicontainer.h b/src/user/include/cxx/raleigh/w/multicontainer.h
index 8a3497f..729f6a1 100644
--- a/src/user/include/cxx/raleigh/w/multicontainer.h
+++ b/src/user/include/cxx/raleigh/w/multicontainer.h
@@ -7,6 +7,9 @@
 namespace raleigh {
   class multicontainer : public widget {
   public:
+    void add_end(widget &w);
+    void add_start(widget &w);
+
     void notify_window_change() override;
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
     void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) override;
diff --git a/src/user/include/cxx/raleigh/w/vbox.h b/src/user/include/cxx/raleigh/w/vbox.h
index d51e61d..6bace59 100644
--- a/src/user/include/cxx/raleigh/w/vbox.h
+++ b/src/user/include/cxx/raleigh/w/vbox.h
@@ -7,7 +7,7 @@ namespace raleigh {
   class vbox : public multicontainer {
   public:
     //do not modify this list afterward
-    vbox(dllist<widget &> widgets);
+    vbox(dllist<widget &> widgets=dllist<widget &>());
 
   private:
     coord determine_size() override;
diff --git a/src/user/include/cxx/raleigh/window.h b/src/user/include/cxx/raleigh/window.h
index 2b759d5..3448536 100644
--- a/src/user/include/cxx/raleigh/window.h
+++ b/src/user/include/cxx/raleigh/window.h
@@ -1,45 +1,50 @@
 #ifndef RALEIGH_WINDOW_H
 #define RALEIGH_WINDOW_H
 
+#include <stdint.h>
+
 namespace raleigh {
   class window;
 }
 
 #include <raleigh/runtime.h>
 #include <raleigh/widget.h>
-#include <structs/dllist.h>
-#include <structs/duple.h>
 #include <pland/syscall.h>
 #include <raleigh/util.h>
+#include <structs/map.h>
+#include <knob/key.h>
 
 namespace raleigh {
+  typedef void *window_tag_t;
   class window {
     friend void start_runtime();
   public:
     //pass on_close to specify a close handler. if on_close returns false, the window will not be closed.
-    window(widget &root, _pixel_t bg_color=RGB(bf, bf, bf), bool (*on_close)(window &)=0);
-    void add_keybind(struct key_packet kp, void (*handler)(window &));
+    window(widget &root, _pixel_t bg_color=RGB(bf, bf, bf), bool (*on_close)(window_tag_t)=0, window_tag_t tag=0);
+    void add_keybind(struct key_packet kp, void (*handler)(window_tag_t));
 
     void notify_needs_paint(widget &from);
     void notify_widget_size_change(widget &from, coord old_size);
     void notify_wants_movements(widget &from, enum mouse_packet::mouse_button while_down);
-    enum try_actions_return_t {NONE, GOOD, DELETE};
-    try_actions_return_t try_actions();
+    void consume_actions();
     void show();
     void focus(widget &w);
+
+  protected:
+    widget &root;
   private:
     _window_handle_t handle;
     _pixel_t *pixbuf;
     coord size;
-    widget &root;
     widget *focussed;
     widget *drag_reciever;
     enum mouse_packet::mouse_button drag_until;
     _pixel_t bg_color;
     bool needs_repaint;
     void paint_full();
-    bool (*on_close)(window &);
-    dllist<duple<struct key_packet, void (*)(window &)>> keybinds;
+    bool (*on_close)(window_tag_t);
+    window_tag_t tag;
+    map<struct key_packet, void (*)(window_tag_t), &match_side_agnostic> keybinds;
   };
 }
 
diff --git a/src/user/include/cxx/structs/alist.h b/src/user/include/cxx/structs/alist.h
new file mode 100644
index 0000000..050f775
--- /dev/null
+++ b/src/user/include/cxx/structs/alist.h
@@ -0,0 +1,41 @@
+#ifndef STRUCTS_ALIST_H
+#define STRUCTS_ALIST_H
+
+#include <knob/format.h>
+#include <knob/block.h>
+#include <knob/panic.h>
+#include <knob/heap.h>
+#include <stdint.h>
+
+template<class data>
+class alist {
+public:
+  uint32_t n_entries;
+  uint32_t buf_size;
+  uint32_t expand_by;
+  data *buf;
+
+  alist(uint32_t default_size=10, uint32_t expand_by=10)
+    : n_entries(0), buf_size(default_size), expand_by(expand_by),
+      buf((data *)get_block(default_size * sizeof(data))) {}
+
+  void add_back(data d) {
+    if (n_entries == buf_size) {
+      data *const new_buf = (data *)get_block((buf_size += expand_by) * sizeof(data));
+      blockcpy(new_buf, buf, n_entries * sizeof(data));
+      free_block(buf);
+      buf = new_buf;
+    }
+    buf[n_entries++] = d;
+  }
+
+  //returns -1 if not found
+  uint32_t index_of(data d) {
+    for (uint32_t i = 0; i < n_entries; ++i)
+      if (buf[i] == d)
+        return i;
+    return -1;
+  }
+};
+
+#endif
\ No newline at end of file
diff --git a/src/user/include/cxx/structs/dllist.h b/src/user/include/cxx/structs/dllist.h
index 5783364..91b0369 100644
--- a/src/user/include/cxx/structs/dllist.h
+++ b/src/user/include/cxx/structs/dllist.h
@@ -1,6 +1,8 @@
 #ifndef STRUCTS_DLLIST_H
 #define STRUCTS_DLLIST_H
 
+#include <stdint.h>
+
 template<class data>
 class dllist {
 public:
@@ -13,20 +15,34 @@ public:
       : next(next), prev(prev), d(d) {}
   };
   node *first;
+  node *last;
 
-  dllist() : first(0) {}
+  dllist() : first(0), last(0) {}
 
   void add_front(data d) {
     node *const n = new node(first, 0, d);
     if (first)
       first->prev = n;
     first = n;
+    if (!last)
+      last = n;
+  }
+
+  void add_back(data d) {
+    node *const n = new node(0, last, d);
+    if (last)
+      last->next = n;
+    last = n;
+    if (!first)
+      first = n;
   }
 
   //return previous, or zero if this is the first
   node *remove_in_place(node *n) {
     if (n == first)
       first = n->next;
+    if (n == last)
+      last = n->prev;
     if (n->next)
       n->next->prev = n->prev;
     if (n->prev)
@@ -34,6 +50,26 @@ public:
     delete n;
     return n->prev;
   }
+
+  bool try_remove_by_ref(data d) {
+    for (node *n = first; n; n = n->next)
+      if (&n->d == &d) {
+        remove_in_place(n);
+        return true;
+      }
+    return false;
+  }
+
+  //returns -1 if it isn't found
+  uint32_t index_of(data d) {
+    uint32_t i = 0;
+    for (const node *n = first; n; n = n->next)
+      if (d == n->d)
+        return i;
+      else
+        ++i;
+    return -1;
+  }
 };
 
 #endif
\ No newline at end of file
diff --git a/src/user/include/cxx/structs/map.h b/src/user/include/cxx/structs/map.h
new file mode 100644
index 0000000..f9c477f
--- /dev/null
+++ b/src/user/include/cxx/structs/map.h
@@ -0,0 +1,39 @@
+#ifndef STRUCTS_MAP_H
+#define STRUCTS_MAP_H
+
+#include <structs/alist.h>
+
+template<class type>
+bool default_equals(type a, type b) {
+  return a == b;
+}
+
+template<class key, class value, bool (*equals)(key, key) = &default_equals<key>>
+class map {
+public:
+  alist<key> keys;
+  alist<value> values;
+
+  map(uint32_t default_size=10, uint32_t expand_by=10)
+    : keys(default_size, expand_by), values(default_size, expand_by) {}
+
+  void add_pair(key k, value v) {
+    for (key *i = keys.buf; i < keys.buf + keys.n_entries; ++i)
+      if (equals(k, *i)) {
+        values.buf[i - keys.buf] = v;
+        return;
+      }
+    keys.add_back(k);
+    values.add_back(v);
+  }
+
+  __attribute__ ((pure))
+  value transform(key k, value fallback=value()) {
+    for (key *i = keys.buf; i < keys.buf + keys.n_entries; ++i)
+      if (equals(k, *i))
+        return values.buf[i - keys.buf];
+    return fallback;
+  }
+};
+
+#endif
\ No newline at end of file
diff --git a/src/user/include/knob/file.h b/src/user/include/knob/file.h
index d283288..04fc201 100644
--- a/src/user/include/knob/file.h
+++ b/src/user/include/knob/file.h
@@ -1,6 +1,10 @@
 #ifndef KNOB_FILE_H
 #define KNOB_FILE_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stdint.h>
 #include <pland/syscall.h>
 
@@ -18,10 +22,15 @@ uint32_t read_line_from_file(struct file *f, char *sz, uint32_t max_length);
 uint32_t seek_file_to(struct file *f, uint32_t to);
 int32_t seek_file_by(struct file *f, int32_t by);
 
+uint32_t get_file_pos(struct file *f) __attribute__ ((pure));
 uint32_t file_size(struct file *f) __attribute__ ((pure));
 void trunc_file(struct file *f);
 
 //return value must be manually freed, unless it is a null pointer
 _dir_info_entry_t *get_directory_info(const char *path, uint32_t *count_out);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
\ No newline at end of file
diff --git a/src/user/include/pland/pcrt.h b/src/user/include/pland/pcrt.h
index 6581cbe..4888494 100644
--- a/src/user/include/pland/pcrt.h
+++ b/src/user/include/pland/pcrt.h
@@ -9,12 +9,12 @@ extern "C" {
 
 #define BEFORE_MAIN(f) \
   __attribute__ ((section (".__pcrt_before_main"))) \
-  __attribute__ ((unused)) \
+  __attribute__ ((used)) \
   void (*const __pcrt_bm_##f)() = &f;
 
 #define BEFORE_QUIT(f) \
   __attribute__ ((section (".__pcrt_before_quit"))) \
-  __attribute__ ((unused)) \
+  __attribute__ ((used)) \
   void (*const __pcrt_bq_##f)() = &f;
 
 void __pcrt_quit() __attribute__ ((noreturn));
diff --git a/src/user/include/popups/info.h b/src/user/include/popups/info.h
deleted file mode 100644
index de6be57..0000000
--- a/src/user/include/popups/info.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef POPUPS_INFO_H
-#define POPUPS_INFO_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <popups/popup.h>
-
-#include <pland/syscall.h>
-
-#include <stdarg.h>
-
-void info_popup(struct popup *into, const char *text, _pixel_t fg, _pixel_t bg);
-void info_popupf(struct popup *into, const char *text, _pixel_t fg, _pixel_t bg, ...);
-void info_popupf_v(struct popup *into, const char *text, _pixel_t fg, _pixel_t bg, va_list args);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
\ No newline at end of file
diff --git a/src/user/include/popups/popup.h b/src/user/include/popups/popup.h
deleted file mode 100644
index cf4315b..0000000
--- a/src/user/include/popups/popup.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef POPUPS_POPUP_H
-#define POPUPS_POPUP_H
-
-#include <pland/syscall.h>
-
-struct popup {
-  _window_handle_t handle;
-  _pixel_t *pixbuf;
-
-  bool has_quit;
-  struct key_packet quit_as;
-
-  //terminated by one with .key_id == 0
-  const struct key_packet *quit_binds;
-};
-
-void handle_actions(struct popup *p);
-//deletes popup before returning
-void make_modal(struct popup *p);
-void delete_popup(struct popup *p);
-
-#endif
\ No newline at end of file