2 Commits

Author SHA1 Message Date
7adb798c17 Update gui.h
Adds gui base header
2026-01-18 15:43:03 -08:00
43b5cacd09 Update gui.c
Add base gui implementation
2026-01-18 15:40:23 -08:00
4 changed files with 100 additions and 112 deletions

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#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
}

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#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

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@@ -1,66 +0,0 @@
#include "hid.h"
#include "usb.h"
#include "mouse.h"
#include "keyboard.h"
#include "print.h"
#include <stdint.h>
#include <stdbool.h>
// Global variables
static bool hid_initialized = false;
void hid_init(void) {
if (hid_initialized) return;
hid_initialized = true;
// Initialize keyboard and mouse HID handling
keyboard_init();
// Assume USB mouse has been initialized and is connected.
usb_hid_init(); // Initializes USB HID for both keyboard and mouse
}
void hid_process_report(uint8_t* report, uint8_t length) {
// Process the HID report based on its type
if (length == 8) { // Assuming a standard 8-byte report for HID keyboard
keyboard_hid_report_t* k_report = (keyboard_hid_report_t*) report;
hid_process_keyboard_report(k_report);
} else if (length == 3) { // Assuming a standard 3-byte report for HID mouse
mouse_hid_report_t* m_report = (mouse_hid_report_t*) report;
hid_process_mouse_report(m_report);
}
}
// Handle HID keyboard report
void hid_process_keyboard_report(const keyboard_hid_report_t* report) {
// Iterate over the keycodes and process key presses
for (int i = 0; i < 6; i++) {
uint8_t keycode = report->keycodes[i];
if (keycode != 0) {
char key = scancode_map[keycode];
if (key) {
keyboard_buffer_add(key);
}
}
}
}
// Handle HID mouse report
void hid_process_mouse_report(const mouse_hid_report_t* report) {
// Process mouse movement and button clicks
mouse_data.x += report->x;
mouse_data.y += report->y;
mouse_data.left_button = (report->buttons & 0x01) != 0;
mouse_data.right_button = (report->buttons & 0x02) != 0;
// Print mouse movement for debugging
print_hex(mouse_data.x, 1, 1);
print_hex(mouse_data.y, 1, 1);
print_hex(report->buttons, 1, 1);
}
// Parse the HID descriptor (for parsing USB HID device descriptors)
bool hid_parse_descriptor(uint8_t* descriptor, uint32_t length) {
// HID descriptors are defined in the USB HID specification, we'll need to parse them here.
// For now, just return true assuming we have a valid descriptor.
return true;
}

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@@ -1,46 +0,0 @@
#ifndef HID_H
#define HID_H
#include <stdint.h>
#include <stdbool.h>
// HID Report types
#define HID_REPORT_INPUT 0x01
#define HID_REPORT_OUTPUT 0x02
#define HID_REPORT_FEATURE 0x03
// HID usage page constants (USB HID)
#define HID_USAGE_PAGE_GENERIC 0x01
#define HID_USAGE_KEYBOARD 0x06
#define HID_USAGE_MOUSE 0x02
// HID keyboard and mouse data
typedef struct {
uint8_t modifier; // Modifier keys (shift, ctrl, alt, etc.)
uint8_t reserved; // Reserved byte
uint8_t keycodes[6]; // Keycodes for keys pressed
} keyboard_hid_report_t;
typedef struct {
uint8_t buttons; // Mouse buttons (bitwise: 0x01 = left, 0x02 = right, 0x04 = middle)
int8_t x; // X axis movement
int8_t y; // Y axis movement
int8_t wheel; // Mouse wheel
} mouse_hid_report_t;
// Initialize the HID subsystem
void hid_init(void);
// Process an incoming HID report
void hid_process_report(uint8_t* report, uint8_t length);
// Process HID keyboard report
void hid_process_keyboard_report(const keyboard_hid_report_t* report);
// Process HID mouse report
void hid_process_mouse_report(const mouse_hid_report_t* report);
// USB HID report descriptor parsing
bool hid_parse_descriptor(uint8_t* descriptor, uint32_t length);
#endif // HID_H