98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/*
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* window.hpp
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* MontaukOS window management types
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* Copyright (c) 2026 Daniel Hammer
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*/
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#pragma once
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#include "gui/gui.hpp"
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#include "gui/framebuffer.hpp"
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#include "gui/widgets.hpp"
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#include <Api/Syscall.hpp>
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namespace gui {
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enum WindowState { WIN_NORMAL, WIN_MINIMIZED, WIN_MAXIMIZED, WIN_CLOSED };
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enum ResizeEdge {
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RESIZE_NONE = 0,
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RESIZE_LEFT, RESIZE_RIGHT, RESIZE_TOP, RESIZE_BOTTOM,
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RESIZE_TOP_LEFT, RESIZE_TOP_RIGHT, RESIZE_BOTTOM_LEFT, RESIZE_BOTTOM_RIGHT
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};
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static constexpr int TITLEBAR_HEIGHT = 30;
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static constexpr int BORDER_WIDTH = 1;
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static constexpr int SHADOW_SIZE = 3;
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static constexpr int BTN_RADIUS = 6;
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static constexpr int MAX_TITLE_LEN = 64;
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static constexpr int RESIZE_GRAB = 6;
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static constexpr int MIN_WINDOW_W = 120;
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static constexpr int MIN_WINDOW_H = 80;
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struct Window;
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using WindowDrawCallback = void (*)(Window* win, Framebuffer& fb);
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using WindowMouseCallback = void (*)(Window* win, MouseEvent& ev);
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using WindowKeyCallback = void (*)(Window* win, const montauk::abi::KeyEvent& key);
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using WindowCloseCallback = void (*)(Window* win);
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using WindowPollCallback = void (*)(Window* win);
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struct Window {
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char title[MAX_TITLE_LEN];
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Rect frame;
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WindowState state;
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int z_order;
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bool focused;
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bool dirty;
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uint32_t* content;
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int content_w, content_h;
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bool dragging;
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int drag_offset_x, drag_offset_y;
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bool resizing;
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ResizeEdge resize_edge;
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Rect resize_start_frame;
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int resize_start_mx, resize_start_my;
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Rect saved_frame;
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WindowDrawCallback on_draw;
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WindowMouseCallback on_mouse;
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WindowKeyCallback on_key;
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WindowCloseCallback on_close;
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WindowPollCallback on_poll;
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void* app_data;
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bool external; // true = shared-memory window from external process
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int ext_win_id; // window server ID (valid when external == true)
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uint8_t ext_cursor; // cursor style requested by external app (0=arrow, 1=resize_h, 2=resize_v)
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uint32_t ext_flags;
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Rect titlebar_rect() const {
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return {frame.x, frame.y, frame.w, TITLEBAR_HEIGHT};
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}
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Rect content_rect() const {
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return {frame.x + BORDER_WIDTH, frame.y + TITLEBAR_HEIGHT,
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frame.w - 2 * BORDER_WIDTH, frame.h - TITLEBAR_HEIGHT - BORDER_WIDTH};
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}
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Rect close_btn_rect() const {
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int by = frame.y + (TITLEBAR_HEIGHT - BTN_RADIUS * 2) / 2;
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return {frame.x + 12, by, BTN_RADIUS * 2, BTN_RADIUS * 2};
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}
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Rect min_btn_rect() const {
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int by = frame.y + (TITLEBAR_HEIGHT - BTN_RADIUS * 2) / 2;
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return {frame.x + 12 + 22, by, BTN_RADIUS * 2, BTN_RADIUS * 2};
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}
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Rect max_btn_rect() const {
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int by = frame.y + (TITLEBAR_HEIGHT - BTN_RADIUS * 2) / 2;
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return {frame.x + 12 + 44, by, BTN_RADIUS * 2, BTN_RADIUS * 2};
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}
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};
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} // namespace gui
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