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/* -------------------------------------------
Copyright (C) 2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
/// @note this file is experimental and not used yet.
/// @file CoreWindow.h
/// @brief Core window drawing functions.
#pragma once
#include <modules/CoreGfx/CoreGfx.h>
#include <modules/CoreGfx/TextGfx.h>
namespace UI
{
struct UIRect final
{
Kernel::UInt32 x, y, height, width;
};
inline void draw_beveled_rect(const UIRect& rect, Kernel::UInt32 topLeftColor, Kernel::UInt32 bottomRightColor)
{
// Top edge
FBDrawInRegion(topLeftColor, rect.height, 1, rect.y, rect.x);
// Left edge
FBDrawInRegion(topLeftColor, 1, rect.width, rect.y, rect.x);
// Bottom edge
FBDrawInRegion(bottomRightColor, rect.height, 1, rect.y + rect.width - 1, rect.x);
// Right edge
FBDrawInRegion(bottomRightColor, 1, rect.width, rect.y, rect.x + rect.height - 1);
}
inline void draw_close_button(Kernel::UInt32 x, Kernel::UInt32 y)
{
const Kernel::UInt32 border = fb_color(0x00, 0x00, 0x00);
const Kernel::UInt32 fill = fb_color(0xD0, 0xD0, 0xD0);
// A simple square for close button, 10x10 px
FBDrawInRegion(border, 10, 10, y, x); // Outer border
FBDrawInRegion(fill, 8, 8, y + 1, x + 1); // Inner fill
}
inline void draw_title_bar(const UIRect& rect, const char* title)
{
const Kernel::Int32 barHeight = 22;
Kernel::UInt32 lightEdge = fb_color(0xF0, 0xF0, 0xF0); // Light gray top
Kernel::UInt32 darkEdge = fb_color(0x40, 0x40, 0x40); // Shadow
Kernel::UInt32 fillColor = fb_color(0xA0, 0xA0, 0xA0); // Mid-gray
// Title bar fill
FBDrawInRegion(fillColor, rect.height - 2, barHeight, rect.y + 1, rect.x + 1);
// Beveled edges (top, left bright; right, bottom dark)
UIRect bevel = {rect.x + 1, rect.y + 1, rect.height - 2, barHeight};
draw_beveled_rect(bevel, lightEdge, darkEdge);
// Title text
fb_render_string(title, rect.y + 8, rect.x + 24, fb_color(0x00, 0x00, 0x00));
// Close button
draw_close_button(rect.x + 6, rect.y + 6);
}
inline void draw_window(const UIRect& rect, const Char* title)
{
Kernel::UInt32 windowFill = fb_color(0xC0, 0xC0, 0xC0); // Body color
Kernel::UInt32 borderDark = fb_color(0x60, 0x60, 0x60);
Kernel::UInt32 borderHighlight = fb_color(0xE0, 0xE0, 0xE0);
// Fill window body (excluding title bar)
const Kernel::Int32 titleBarHeight = 22;
FBDrawInRegion(windowFill, rect.height - 2, rect.width - titleBarHeight - 1, rect.y + titleBarHeight + 1, rect.x + 1);
// Full window bevel border
draw_beveled_rect(rect, borderHighlight, borderDark);
// Title bar
draw_title_bar(rect, title);
}
}
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