From 9af5588c30c4126a2800aae1afcb0de2c373dc6c Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Mon, 20 May 2024 17:40:47 -0400
Subject: rewrite application stuff in the kernel to support multitasking

---
 applications/init/makefile        |   2 +-
 applications/init/source/main.cpp | 124 ++++----------------------------------
 2 files changed, 12 insertions(+), 114 deletions(-)

(limited to 'applications/init')

diff --git a/applications/init/makefile b/applications/init/makefile
index 6799406..91328e7 100644
--- a/applications/init/makefile
+++ b/applications/init/makefile
@@ -6,7 +6,7 @@ build/%.cpp.o: source/%.cpp
 	$(HILBERT_CC) -c $^ -o $@
 
 build/init.elf: $(SOURCES:%=build/%.o)
-	$(HILBERT_CC) $^ -ldaguerre -o $@
+	$(HILBERT_CC) $^ -o $@
 
 clean:
 	rm -rf build
diff --git a/applications/init/source/main.cpp b/applications/init/source/main.cpp
index cae17a2..5dfa81a 100644
--- a/applications/init/source/main.cpp
+++ b/applications/init/source/main.cpp
@@ -1,121 +1,19 @@
-#include <daguerre.hpp>
-
-static daguerre::hilbert_color transparent_color;
-
-void alpha_overlay(
-  daguerre::hilbert_color &dest, const daguerre::hilbert_color &src) {
-  if (src != transparent_color)
-    dest = src;
-}
+#include <euler/start_process.hpp>
 
 int main(int, char **) {
 
-  daguerre::default_overlay(
-    transparent_color, (daguerre::rgb24){.r = 255, .g = 0, .b = 255});
-
-  auto raw_framebuffer = daguerre::get_hilbert_framebuffer();
-  const unsigned fbw = raw_framebuffer.width;
-  const unsigned fbh = raw_framebuffer.height;
-
-  daguerre::image<daguerre::rgb24> raw_burden;
-  daguerre::try_load_ppm("/assets/burden.ppm", raw_burden);
-
-  daguerre::image<daguerre::rgb24> burden_stretch(fbw, fbh);
-  daguerre::image<daguerre::rgb24> burden_stretch_inverted(fbw, fbh);
-  for (unsigned y = 0; y < fbh; ++y)
-    for (unsigned x = 0; x < fbw; ++x) {
-      daguerre::rgb24 color = raw_burden.get(
-        x * raw_burden.width / fbw, y * raw_burden.height / fbh);
-      burden_stretch.set(x, y, color);
-      burden_stretch_inverted.set(x, y, {
-        .r = (uint8_t)(255 - color.r),
-        .g = (uint8_t)(255 - color.g),
-        .b = (uint8_t)(255 - color.b)});
-    }
-
-  daguerre::image<daguerre::rgb24> pointer;
-  daguerre::try_load_ppm("/assets/pointer.ppm", pointer);
-
-  daguerre::fixed_bitmap_font<bool> terminus;
-  daguerre::try_load_psf("/assets/terminus-bold-18x10.psf", terminus);
-
-  terminus.overlay_text<>(burden_stretch, 0, 0, "this is a test");
-  terminus.overlay_text<>(burden_stretch_inverted, 0, 0, "tset a si siht");
-
-  daguerre::image<daguerre::hilbert_color>
-    burden_stretch_hilbert(burden_stretch);
-
-  daguerre::image<daguerre::hilbert_color>
-    burden_stretch_inverted_hilbert(burden_stretch_inverted);
-
-  daguerre::image<daguerre::hilbert_color> pointer_hilbert(pointer);
-
-  daguerre::image<daguerre::hilbert_color> double_buffer(
-    fbw + pointer.width - 1, fbh + pointer.height - 1);
-
-  int32_t mouse_x = fbw / 2;
-  int32_t mouse_y = fbh / 2;
-  bool was_left_mouse_down = false;
-
-  bool should_draw = true;
-
-  while (1) {
-
-    if (should_draw) {
-      double_buffer.overlay_from<>(
-        burden_stretch_hilbert, 0, 0, 0, 0, fbw, fbh);
-      double_buffer.overlay_from<daguerre::hilbert_color, alpha_overlay>(
-        pointer_hilbert, mouse_x, mouse_y,
-        0, 0, pointer.width, pointer.height);
-      raw_framebuffer.overlay_from<>(double_buffer, 0, 0, 0, 0, fbw, fbh);
-      should_draw = false;
-    }
-
-    __euler_mouse_buttons mouse_buttons;
-    int16_t mouse_change_x, mouse_change_y;
-    uint32_t key_packet;
-    __euler_input_packet_type packet_type = __euler_get_input_packet(
-      mouse_buttons, mouse_change_x, mouse_change_y, key_packet);
-
-    bool should_invert = false;
-
-    if (packet_type == __EULER_IPT_MOUSE) {
-
-      if (mouse_change_x != 0 || mouse_change_y != 0) {
-
-        mouse_x += mouse_change_x;
-        mouse_y += mouse_change_y;
-
-        if (mouse_x < 0)
-          mouse_x = 0;
-        else if ((unsigned)mouse_x >= fbw)
-          mouse_x = fbw - 1;
-
-        if (mouse_y < 0)
-          mouse_y = 0;
-        else if ((unsigned)mouse_y >= fbh)
-          mouse_y = fbh - 1;
-
-        should_draw = true;
-
-      }
-
-      if (!was_left_mouse_down && (mouse_buttons & __EULER_MB_LEFT))
-        should_invert = true;
-
-      was_left_mouse_down = mouse_buttons & __EULER_MB_LEFT;
-
-    }
+  __euler_process_handle dummy;
 
-    else if (packet_type == __EULER_IPT_KEYBOARD)
-      if ((key_packet & 0x0400ff) == 0x00005a)
-        should_invert = true;
+  euler::start_process wm_process("/bin/compositor");
+  wm_process.add_env_variable("ARGC", "1");
+  wm_process.add_env_variable("ARGV0", "/bin/compositor");
+  wm_process.start(dummy);
 
-    if (should_invert) {
-      daguerre::swap(burden_stretch_hilbert, burden_stretch_inverted_hilbert);
-      should_draw = true;
-    }
+  euler::start_process hello_process("/bin/hello");
+  hello_process.add_env_variable("ARGC", "1");
+  hello_process.add_env_variable("ARGV0", "/bin/hello");
+  hello_process.start(dummy);
 
-  }
+  return 0;
 
 }
-- 
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