From 406af09ade55553e2b064506c3ba3c89bd965d73 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji6283@gmail.com>
Date: Thu, 4 Mar 2021 19:11:42 -0500
Subject: start of a c++ widget toolkit, c++ runtime

---
 src/user/raleigh/runtime.cpp   | 21 +++++++++++++++++++++
 src/user/raleigh/util.cpp      |  6 ++++++
 src/user/raleigh/w/label.cpp   | 27 +++++++++++++++++++++++++++
 src/user/raleigh/w/padding.cpp | 31 +++++++++++++++++++++++++++++++
 src/user/raleigh/window.cpp    | 35 +++++++++++++++++++++++++++++++++++
 5 files changed, 120 insertions(+)
 create mode 100644 src/user/raleigh/runtime.cpp
 create mode 100644 src/user/raleigh/util.cpp
 create mode 100644 src/user/raleigh/w/label.cpp
 create mode 100644 src/user/raleigh/w/padding.cpp
 create mode 100644 src/user/raleigh/window.cpp

(limited to 'src/user/raleigh')

diff --git a/src/user/raleigh/runtime.cpp b/src/user/raleigh/runtime.cpp
new file mode 100644
index 0000000..1152575
--- /dev/null
+++ b/src/user/raleigh/runtime.cpp
@@ -0,0 +1,21 @@
+#include <raleigh/runtime.h>
+#include <raleigh/window.h>
+#include <pland/pcrt.h>
+
+namespace raleigh {
+  dllist<window &> open_windows;
+
+  __attribute__ ((noreturn))
+  void start_runtime() {
+    while (1) {
+      if (!open_windows.first)
+        __pcrt_quit();
+      for (dllist<window &>::node *w = open_windows.first; w; w = w->next)
+        if (w->d.try_actions() == window::DELETE)
+          if (!(w = open_windows.remove_in_place(w)))
+            break;
+      _wait_for_action();
+      _yield_task();
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/user/raleigh/util.cpp b/src/user/raleigh/util.cpp
new file mode 100644
index 0000000..958897b
--- /dev/null
+++ b/src/user/raleigh/util.cpp
@@ -0,0 +1,6 @@
+#include <raleigh/util.h>
+
+coord::coord(uint32_t x, uint32_t y)
+  : x(x), y(y) {}
+coord::coord()
+  : x(0), y(0) {}
\ No newline at end of file
diff --git a/src/user/raleigh/w/label.cpp b/src/user/raleigh/w/label.cpp
new file mode 100644
index 0000000..047126d
--- /dev/null
+++ b/src/user/raleigh/w/label.cpp
@@ -0,0 +1,27 @@
+#include <raleigh/w/label.h>
+#include <libfont/fonts.h>
+#include <knob/block.h>
+
+namespace raleigh {
+  label::label(const char *value, const char *font, _pixel_t bg, _pixel_t fg)
+    : value(value), fi(get_font(font)), bg(bg), fg(fg) {
+    size = coord(
+      fi->space_width * (strlen(value) - 1) + fi->char_width,
+      fi->char_height
+    );
+  }
+
+  void label::notify_window_change() {}
+
+  void label::paint(_pixel_t *pixbuf, uint32_t pitch) {
+    for (uint32_t y = window_offset.y; y < window_offset.y + size.y; ++y)
+      for (uint32_t x = window_offset.x; x < window_offset.x + size.x; ++x)
+        pixbuf[y * pitch + x] = bg;
+
+    _pixel_t *ptr = pixbuf + window_offset.y * pitch + window_offset.x;
+    for (const char *c = value; *c; ++c) {
+      put_char(fi, *c, ptr, pitch, bg, fg);
+      ptr += fi->space_width;
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/user/raleigh/w/padding.cpp b/src/user/raleigh/w/padding.cpp
new file mode 100644
index 0000000..6833c5d
--- /dev/null
+++ b/src/user/raleigh/w/padding.cpp
@@ -0,0 +1,31 @@
+#include <raleigh/w/padding.h>
+
+namespace raleigh {
+  padding::padding(uint32_t pad_by, _pixel_t color, widget &inner)
+    : pad_by(pad_by), color(color), inner(inner) {
+    size = coord(inner.size.x + pad_by * 2, inner.size.y + pad_by * 2);
+  }
+
+  void padding::notify_window_change() {
+    inner.w = w;
+    inner.window_offset = coord(window_offset.x + pad_by, window_offset.y + pad_by);
+    inner.notify_window_change();
+  }
+
+  void padding::paint(_pixel_t *pixbuf, uint32_t pitch) {
+    for (uint32_t y = window_offset.y; y < window_offset.y + pad_by; ++y)
+      for (uint32_t x = window_offset.x; x < window_offset.x + size.x; ++x)
+        pixbuf[y * pitch + x] = color;
+    for (uint32_t y = window_offset.y + size.y - pad_by; y < window_offset.y + size.y; ++y)
+      for (uint32_t x = window_offset.x; x < window_offset.x + size.x; ++x)
+        pixbuf[y * pitch + x] = color;
+    for (uint32_t y = window_offset.y + pad_by; y < window_offset.y + size.y - pad_by; ++y) {
+      for (uint32_t x = window_offset.x; x < window_offset.x + pad_by; ++x)
+        pixbuf[y * pitch + x] = color;
+      for (uint32_t x = window_offset.x + size.x - pad_by; x < window_offset.x + size.x; ++x)
+        pixbuf[y * pitch + x] = color;
+    }
+
+    inner.paint(pixbuf, pitch);
+  }
+}
\ No newline at end of file
diff --git a/src/user/raleigh/window.cpp b/src/user/raleigh/window.cpp
new file mode 100644
index 0000000..4373b06
--- /dev/null
+++ b/src/user/raleigh/window.cpp
@@ -0,0 +1,35 @@
+#include <raleigh/runtime.h>
+#include <raleigh/window.h>
+#include <knob/heap.h>
+
+namespace raleigh {
+  window::window(widget &root)
+    : size(root.size), root(root) {
+    root.w = this;
+    root.window_offset = coord(0, 0);
+    root.notify_window_change();
+
+    pixbuf = (_pixel_t *)get_block(size.x * size.y * sizeof(_pixel_t));
+
+    root.paint(pixbuf, size.x);
+    handle = _new_window(size.x, size.y, pixbuf);
+
+    open_windows.add_front(*this);
+  }
+
+  window::try_actions_return_t window::try_actions() {
+    struct window_action wa;
+    window::try_actions_return_t got = NONE;
+    while (1) {
+      _get_win_action(handle, &wa);
+      if (!wa.action_type)
+        return got;
+      if ((wa.action_type == wa.KEY_DOWN) &&
+          (wa.as_key.modifiers & wa.as_key.ALTS) &&
+          (wa.as_key.key_id == wa.as_key.KEY_F4))
+        return DELETE;
+      got = GOOD;
+      //TODO
+    }
+  }
+}
\ No newline at end of file
-- 
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