Update gui.h

Adds gui base header

.clang-format

@@ -1,24 +0,0 @@
-BasedOnStyle: Google
-IndentWidth: 4
-TabWidth: 4
-UseTab: Never
-ColumnLimit: 80
-
-DerivePointerAlignment: false
-PointerAlignment: Right
-ReferenceAlignment: Right
-
-AlignConsecutiveMacros: Consecutive
-AlignTrailingComments:
-  Kind: Always
-  OverEmptyLines: 0
-
-IncludeBlocks: Regroup
-IncludeCategories:
-  # Std headers
-  - Regex: '<[[:alnum:]_.]+>'
-    Priority: 2
-
-  # Other headers
-  - Regex: '.*'
-    Priority: 1

.clangd

@@ -1,6 +0,0 @@
-CompileFlags:
-  CompilationDatabase: build
-
-Diagnostics:
-  UnusedIncludes: Strict
-  MissingIncludes: Strict

.editorconfig

@@ -1,12 +0,0 @@
-root = true
-
-[*]
-charset = utf-8
-end_of_line = lf
-insert_final_newline = true
-trim_trailing_whitespace = true
-
-[Makefile]
-indent_style = tab
-indent_size = 8
-tab_width = 8

Makefile

@@ -18,9 +18,9 @@ KERNEL_OBJ += $(patsubst kernel/%.asm, $(BUILD_DIR)/asm_%.o, $(KERNEL_ASM_SRC))
 KLIBC_SRC = $(wildcard klibc/src/*.c)
 KLIBC_OBJ = $(patsubst klibc/src/%.c, $(BUILD_DIR)/klibc/%.o, $(KLIBC_SRC))
 
-.PHONY: all stage1 stage2 kernel compile-commands $(BUILD_DIR)/compile_commands.json run gdb clean clean-cross clean-all
 all: $(DISK_IMG)
 
+.PHONY: stage1 stage2 kernel run gdb clean
 stage1: $(BUILD_DIR)
 	$(AS) $(ASFLAGS) -o $(BUILD_DIR)/$@.o bootloader/$@.asm
 	$(LD) -Ttext=0x7c00 -melf_i386 -o $(BUILD_DIR)/$@.elf $(BUILD_DIR)/$@.o
@@ -57,10 +57,6 @@ $(BUILD_DIR):
 	mkdir -p $@
 	mkdir -p $(BUILD_DIR)/klibc
 
-compile-commands: $(BUILD_DIR)/compile_commands.json
-$(BUILD_DIR)/compile_commands.json: $(BUILD_DIR)
-	bear --output $@ -- make -B
-
 run:
 	qemu-system-i386 -s -S $(DISK_IMG)
 

kernel/ata.h

@@ -1,43 +0,0 @@
-#ifndef ATA_H
-#define ATA_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-/* ATA I/O ports */
-#define ATA_PRIMARY_IO     0x1F0
-#define ATA_PRIMARY_CTRL   0x3F6
-
-/* ATA registers */
-#define ATA_REG_DATA       0x00
-#define ATA_REG_ERROR      0x01
-#define ATA_REG_FEATURES   0x01
-#define ATA_REG_SECCOUNT0  0x02
-#define ATA_REG_LBA0       0x03
-#define ATA_REG_LBA1       0x04
-#define ATA_REG_LBA2       0x05
-#define ATA_REG_HDDEVSEL   0x06
-#define ATA_REG_COMMAND    0x07
-#define ATA_REG_STATUS     0x07
-
-/* ATA commands */
-#define ATA_CMD_READ_PIO   0x20
-#define ATA_CMD_WRITE_PIO  0x30
-#define ATA_CMD_IDENTIFY   0xEC
-
-/* Status flags */
-#define ATA_SR_BSY         0x80
-#define ATA_SR_DRDY        0x40
-#define ATA_SR_DRQ         0x08
-#define ATA_SR_ERR         0x01
-
-/* Drive select */
-#define ATA_MASTER         0x00
-#define ATA_SLAVE          0x10
-
-/* Public API */
-bool ata_init(void);
-bool ata_read_sector(uint32_t lba, uint8_t* buffer);
-bool ata_write_sector(uint32_t lba, const uint8_t* buffer);
-
-#endif

kernel/gui.c

@@ -0,0 +1,66 @@
+#include "gui.h"
+#include "vga.h"  // VGA functions for drawing and clearing screen
+#include "framebuffer.h"  // For pixel manipulation if needed
+
+// Initialize the GUI (could set up any global state or variables here)
+void gui_init(void) {
+    // Clear the screen with black or any color
+    gui_clear(vga_entry_color(VGA_COLOR_BLACK, VGA_COLOR_WHITE));
+}
+
+// Draw a window (simple rectangle with a title)
+void gui_draw_window(gui_window_t* window) {
+    // Draw the window's border
+    for (uint32_t y = 0; y < window->height; ++y) {
+        for (uint32_t x = 0; x < window->width; ++x) {
+            // Check if we are at the border
+            if (x == 0 || y == 0 || x == window->width - 1 || y == window->height - 1) {
+                vga_put_entry_at('#', vga_entry_color(VGA_COLOR_LIGHT_GREY, VGA_COLOR_BLACK), window->x + x, window->y + y);
+            } else {
+                // Fill the inside of the window
+                vga_put_entry_at(' ', vga_entry_color(VGA_COLOR_BLACK, VGA_COLOR_BLACK), window->x + x, window->y + y);
+            }
+        }
+    }
+
+    // Draw the title at the top
+    if (window->title) {
+        size_t i = 0;
+        while (window->title[i] != '\0' && i < window->width - 2) {
+            vga_put_entry_at(window->title[i], vga_entry_color(VGA_COLOR_WHITE, VGA_COLOR_BLACK), window->x + i + 1, window->y);
+            i++;
+        }
+    }
+}
+
+// Draw a button (a simple rectangle with text in the middle)
+void gui_draw_button(gui_button_t* button) {
+    for (uint32_t y = 0; y < button->height; ++y) {
+        for (uint32_t x = 0; x < button->width; ++x) {
+            // Check if we are at the border
+            if (x == 0 || y == 0 || x == button->width - 1 || y == button->height - 1) {
+                vga_put_entry_at('#', vga_entry_color(VGA_COLOR_LIGHT_GREY, VGA_COLOR_BLACK), button->x + x, button->y + y);
+            } else {
+                // Fill the inside of the button
+                vga_put_entry_at(' ', vga_entry_color(VGA_COLOR_BLACK, VGA_COLOR_BLACK), button->x + x, button->y + y);
+            }
+        }
+    }
+
+    // Draw the label in the center of the button
+    size_t label_len = 0;
+    while (button->label[label_len] != '\0') {
+        label_len++;
+    }
+
+    size_t start_x = button->x + (button->width - label_len) / 2;
+    size_t start_y = button->y + (button->height - 1) / 2;
+    for (size_t i = 0; i < label_len; ++i) {
+        vga_put_entry_at(button->label[i], vga_entry_color(VGA_COLOR_WHITE, VGA_COLOR_BLACK), start_x + i, start_y);
+    }
+}
+
+// Clear the screen with a color
+void gui_clear(uint32_t color) {
+    vga_clear(color);  // Just clear the VGA screen with a solid color
+}

kernel/gui.h

@@ -0,0 +1,34 @@
+#ifndef GUI_H
+#define GUI_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define GUI_WINDOW_WIDTH   80
+#define GUI_WINDOW_HEIGHT  25
+#define GUI_BUTTON_WIDTH   10
+#define GUI_BUTTON_HEIGHT  3
+
+// Window structure
+typedef struct {
+    uint32_t x, y;
+    uint32_t width, height;
+    uint32_t color;  // Background color
+    const char* title;
+} gui_window_t;
+
+// Button structure
+typedef struct {
+    uint32_t x, y;
+    uint32_t width, height;
+    uint32_t color;  // Background color
+    const char* label;
+} gui_button_t;
+
+// Function prototypes for GUI elements
+void gui_init(void);
+void gui_draw_window(gui_window_t* window);
+void gui_draw_button(gui_button_t* button);
+void gui_clear(uint32_t color);
+
+#endif // GUI_H