feat: GPT, FAT32 driver, disks app, userspace adapted for multiple drives, and more

2026-03-07 15:58:27 +01:00
parent 8c5c259f5d
commit 4d0177d55e
48 changed files with 5777 additions and 873 deletions
@@ -0,0 +1,153 @@
+/*
+ * devexplorer.h
+ * Shared header for the MontaukOS Device Explorer
+ * Copyright (c) 2026 Daniel Hammer
+ */
+
+#pragma once
+
+#include <montauk/syscall.h>
+#include <montauk/string.h>
+#include <montauk/heap.h>
+#include <gui/gui.hpp>
+#include <gui/truetype.hpp>
+
+extern "C" {
+#include <string.h>
+#include <stdio.h>
+}
+
+using namespace gui;
+
+// ============================================================================
+// Constants
+// ============================================================================
+
+static constexpr int INIT_W       = 640;
+static constexpr int INIT_H       = 460;
+static constexpr int TOOLBAR_H    = 36;
+static constexpr int CAT_H        = 28;
+static constexpr int ITEM_H       = 24;
+static constexpr int MAX_DEVS     = 64;
+static constexpr int POLL_MS      = 2000;
+static constexpr int INDENT       = 28;
+static constexpr int FONT_SIZE    = 18;
+
+static constexpr int NUM_CATEGORIES = 9;
+
+static constexpr Color BG_COLOR       = Color::from_rgb(0xFF, 0xFF, 0xFF);
+static constexpr Color TOOLBAR_BG     = Color::from_rgb(0xF5, 0xF5, 0xF5);
+static constexpr Color BORDER_COLOR   = Color::from_rgb(0xCC, 0xCC, 0xCC);
+static constexpr Color TEXT_COLOR     = Color::from_rgb(0x22, 0x22, 0x22);
+static constexpr Color DIM_TEXT       = Color::from_rgb(0x66, 0x66, 0x66);
+static constexpr Color WHITE          = Color::from_rgb(0xFF, 0xFF, 0xFF);
+static constexpr Color ACCENT_COLOR   = Color::from_rgb(0x33, 0x66, 0xCC);
+
+// ============================================================================
+// Category data
+// ============================================================================
+
+static const char* category_names[] = {
+    "CPU",          // 0
+    "Interrupt",    // 1
+    "Timer",        // 2
+    "Input",        // 3
+    "USB",          // 4
+    "Network",      // 5
+    "Display",      // 6
+    "Storage",      // 7
+    "PCI",          // 8
+};
+
+static const Color category_colors[] = {
+    Color::from_rgb(0x33, 0x66, 0xCC),  // CPU - blue
+    Color::from_rgb(0x88, 0x44, 0xAA),  // Interrupt - purple
+    Color::from_rgb(0x22, 0x88, 0x22),  // Timer - green
+    Color::from_rgb(0xCC, 0x88, 0x00),  // Input - amber
+    Color::from_rgb(0x00, 0x88, 0x88),  // USB - teal
+    Color::from_rgb(0xCC, 0x55, 0x22),  // Network - orange
+    Color::from_rgb(0x44, 0x66, 0xCC),  // Display - indigo
+    Color::from_rgb(0x99, 0x55, 0x00),  // Storage - brown
+    Color::from_rgb(0x66, 0x66, 0x66),  // PCI - gray
+};
+
+// ============================================================================
+// Display row model
+// ============================================================================
+
+enum RowType { ROW_CATEGORY, ROW_DEVICE };
+
+struct DisplayRow {
+    RowType type;
+    int category;
+    int dev_index;
+};
+
+static constexpr int MAX_DISPLAY_ROWS = MAX_DEVS + NUM_CATEGORIES;
+
+// ============================================================================
+// Disk detail window
+// ============================================================================
+
+static constexpr int DD_TAB_COUNT = 2;
+static const char* dd_tab_labels[DD_TAB_COUNT] = { "General", "Features" };
+
+static constexpr int DD_INIT_W = 440;
+static constexpr int DD_INIT_H = 420;
+static constexpr int DD_TAB_BAR_H = 32;
+
+struct DiskDetailState {
+    Montauk::DiskInfo info;
+    int active_tab;
+    int win_id;
+    int win_w, win_h;
+    uint32_t* pixels;
+    bool open;
+};
+
+// ============================================================================
+// Main state
+// ============================================================================
+
+struct DevExplorerState {
+    Montauk::DevInfo devs[MAX_DEVS];
+    int dev_count;
+    bool collapsed[NUM_CATEGORIES];
+    int selected_row;
+    int scroll_y;
+    uint64_t last_poll_ms;
+
+    int last_click_row;
+    uint64_t last_click_ms;
+
+    DiskDetailState detail;
+};
+
+// ============================================================================
+// Global state (extern — defined in main.cpp)
+// ============================================================================
+
+extern int g_win_w, g_win_h;
+extern DevExplorerState g_state;
+extern TrueTypeFont* g_font;
+
+// ============================================================================
+// Function declarations — render.cpp
+// ============================================================================
+
+void render(uint32_t* pixels);
+
+// ============================================================================
+// Function declarations — main.cpp
+// ============================================================================
+
+int build_display_rows(DevExplorerState* de, DisplayRow* rows);
+
+// ============================================================================
+// Function declarations — diskdetail.cpp
+// ============================================================================
+
+void render_disk_detail();
+void open_disk_detail(int port, const char* model);
+void close_disk_detail();
+bool handle_detail_mouse(int mx, int my, bool clicked);