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MontaukOS/programs/include/gui/desktop.hpp
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/*
* desktop.hpp
* MontaukOS desktop state and compositor declarations
* Copyright (c) 2026 Daniel Hammer
*/
#pragma once
#include "gui/gui.hpp"
#include "gui/framebuffer.hpp"
#include "gui/svg.hpp"
#include "gui/window.hpp"
#include "gui/widgets.hpp"
#include "gui/mtk/widgets.hpp"
#include "gui/terminal.hpp"
#include <Api/Syscall.hpp>
#include <montauk/keyboard.h>
namespace gui {
static constexpr int MAX_WINDOWS = 32;
static constexpr int PANEL_HEIGHT = 32;
enum DesktopItemSection : uint8_t {
DESKTOP_ITEM_SECTION_HIDDEN = 0,
DESKTOP_ITEM_SECTION_APPS,
DESKTOP_ITEM_SECTION_SETTINGS,
};
enum DesktopItemLaunchKind : uint8_t {
DESKTOP_ITEM_LAUNCH_EXECUTABLE = 0,
DESKTOP_ITEM_LAUNCH_BUILTIN,
};
// Launchable desktop item discovered from an app manifest or supplied by the
// desktop's built-in registry.
struct DesktopItem {
char id[48];
char name[48];
char binary_path[128];
char icon_path[128];
char category[24];
SvgIcon icon;
DesktopItemSection section;
DesktopItemLaunchKind launch_kind;
int builtin_id;
bool menu_visible;
bool launch_with_home;
bool admin_only;
};
enum LauncherItemKind : uint8_t {
LAUNCHER_ITEM_EXTERNAL_APP = 0,
LAUNCHER_ITEM_BUILTIN_FILES,
LAUNCHER_ITEM_COMMAND_REBOOT,
LAUNCHER_ITEM_COMMAND_SHUTDOWN,
LAUNCHER_ITEM_SPECIAL_FOLDER,
};
struct LauncherItem {
char name[64];
char category[48];
char path[128];
char search_text[192];
SvgIcon* icon;
LauncherItemKind kind;
int ref_index;
};
struct DesktopSettings {
// Background
bool bg_gradient; // true = gradient, false = solid
bool bg_image; // true = JPEG wallpaper
Color bg_solid; // solid background color
Color bg_grad_top; // gradient top color
Color bg_grad_bottom; // gradient bottom color
// Wallpaper (valid when bg_image == true)
char bg_image_path[128]; // VFS path to current wallpaper
uint32_t* bg_wallpaper; // scaled ARGB pixel buffer (screen-sized)
int bg_wallpaper_w; // scaled width
int bg_wallpaper_h; // scaled height
// Panel
Color panel_color; // panel background color
// Accent
Color accent_color; // buttons, highlights, active indicators
// Display
bool show_shadows; // window shadows on/off
bool clock_24h; // 24-hour clock format
int ui_scale; // 0=Small, 1=Default, 2=Large
int tz_offset_minutes; // timezone offset from UTC in minutes
};
struct DesktopState {
Framebuffer fb;
Window windows[MAX_WINDOWS];
int window_count;
int focused_window;
// Current user context
char current_user[32];
char home_dir[128]; // "0:/users/<username>"
char user_config_dir[128]; // "0:/users/<username>/config"
bool is_admin;
montauk::abi::MouseState mouse;
uint8_t prev_buttons;
bool app_menu_open;
bool launcher_open;
char launcher_query[64];
int launcher_query_len;
LauncherItem* launcher_items; // dynamically grown
int launcher_item_count;
int launcher_item_capacity;
int* launcher_results; // indices into launcher_items, same capacity
int launcher_result_count;
int launcher_selected;
int launcher_scroll;
bool super_left_down;
bool super_right_down;
SvgIcon icon_terminal;
SvgIcon icon_filemanager;
SvgIcon icon_appmenu;
SvgIcon icon_folder;
SvgIcon icon_file;
SvgIcon icon_network;
SvgIcon icon_go_up;
SvgIcon icon_go_back;
SvgIcon icon_go_forward;
SvgIcon icon_home;
SvgIcon icon_refresh;
SvgIcon icon_exec;
SvgIcon icon_folder_lg;
SvgIcon icon_file_lg;
SvgIcon icon_exec_lg;
SvgIcon icon_drive;
SvgIcon icon_drive_lg;
SvgIcon icon_drive_usb;
SvgIcon icon_drive_usb_lg;
SvgIcon icon_delete;
SvgIcon icon_copy;
SvgIcon icon_cut;
SvgIcon icon_paste;
SvgIcon icon_rename;
SvgIcon icon_folder_new;
SvgIcon icon_home_folder;
SvgIcon icon_home_folder_lg;
SvgIcon icon_apps;
SvgIcon icon_apps_lg;
SvgIcon icon_system_configuration_menu;
SvgIcon icon_system_configuration;
SvgIcon icon_system_configuration_lg;
// Special user folder icons (16x16 and 48x48)
static constexpr int SPECIAL_FOLDER_COUNT = 6;
SvgIcon icon_special_folder[SPECIAL_FOLDER_COUNT];
SvgIcon icon_special_folder_lg[SPECIAL_FOLDER_COUNT];
SvgIcon icon_settings;
SvgIcon icon_reboot;
SvgIcon icon_shutdown;
SvgIcon icon_sleep;
SvgIcon icon_logout;
SvgIcon icon_volume;
// Desktop items discovered from 0:/apps/ manifests (dynamically grown).
DesktopItem* desktop_items;
int desktop_item_count;
int desktop_item_capacity;
// Right-click menu on the desktop background (MTK context menu).
mtk::ContextMenuState ctx_menu;
bool net_popup_open;
montauk::abi::NetCfg cached_net_cfg;
uint64_t net_cfg_last_poll;
Rect net_icon_rect;
// Registered link-layer interfaces. The IP configuration is global to the
// stack, so the wired and wireless popups use `active` to decide which of
// them owns the address currently on screen.
static constexpr int MAX_NETIFS = 4;
montauk::abi::NetIfInfo netifs[MAX_NETIFS];
int netif_count;
bool eth_present;
// ---- Wi-Fi -------------------------------------------------------------
// The panel entry exists only when a supported adapter is present.
static constexpr int MAX_WIFI_NETWORKS = 32;
static constexpr int WIFI_SSID_CAP = 36;
static constexpr int WIFI_PSK_CAP = 72;
SvgIcon icon_wifi;
bool wifi_present;
bool wifi_popup_open;
Rect wifi_icon_rect;
montauk::abi::WifiInfo wifi_info;
montauk::abi::WifiNetwork wifi_networks[MAX_WIFI_NETWORKS];
int wifi_network_count;
uint64_t wifi_last_poll;
uint32_t wifi_scan_generation;
bool wifi_scanning;
int wifi_scroll; // first visible row of the list
bool wifi_boot_scan_started; // the automatic scan at startup
bool wifi_autoconnect_done; // saved-network join already tried
bool wifi_joining; // a join we started is in flight
bool wifi_dhcp_pending; // ask for a lease once the link is up
bool wifi_dhcp_waiting; // dhcp.elf running, no address yet
char wifi_joining_ssid[WIFI_SSID_CAP];
char wifi_status[96]; // last result line in the popup
uint64_t wifi_status_time;
bool vol_popup_open;
Rect vol_icon_rect;
int vol_level; // 0-100
bool vol_muted;
int vol_pre_mute; // volume before mute
bool vol_dragging; // slider drag in progress
uint64_t vol_last_poll;
uint64_t vol_serial; // last seen mixer state serial
int vol_output; // 0=HDA, 1=Bluetooth
int vol_bt_status; // A2DP state (>=2 means selectable)
// Temperature monitoring
static constexpr int MAX_THERMAL_ZONES = 8;
montauk::abi::ThermalInfo thermal_zones[MAX_THERMAL_ZONES];
int thermal_zone_count;
uint64_t thermal_last_poll;
Rect temp_icon_rect;
// Keyboard layouts. The desktop translates hardware scan codes before
// dispatching events, so embedded and external apps see the same layout.
montauk::keyboard::State keyboard;
Rect keyboard_layout_rect;
uint64_t keyboard_last_poll;
int screen_w, screen_h;
uint32_t* background_cache;
int background_cache_pitch;
bool background_cache_dirty;
// IDs of external windows we've sent a close event to but that haven't
// been destroyed yet by their owning process. Prevents the poll loop
// from re-creating them at the default position (visible flicker).
static constexpr int MAX_CLOSING = MAX_WINDOWS;
int closing_ext_ids[MAX_CLOSING];
int closing_ext_count;
DesktopSettings settings;
// Lock screen state
bool screen_locked;
char lock_password[64];
int lock_password_len;
char lock_error[128];
bool lock_show_error;
char lock_display_name[64];
SvgIcon icon_lock;
};
// Forward declarations - implemented in main.cpp
void desktop_init(DesktopState* ds);
void desktop_run(DesktopState* ds);
void desktop_compose(DesktopState* ds);
int desktop_create_window(DesktopState* ds, const char* title, int x, int y, int w, int h);
void desktop_close_window(DesktopState* ds, int idx);
void desktop_raise_window(DesktopState* ds, int idx);
void desktop_draw_panel(DesktopState* ds);
void desktop_draw_window(DesktopState* ds, int idx);
void desktop_handle_mouse(DesktopState* ds);
void desktop_handle_keyboard(DesktopState* ds, const montauk::abi::KeyEvent& key);
bool desktop_refresh_keyboard_layouts(DesktopState* ds, bool force);
} // namespace gui
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