242 lines
8.5 KiB
C++
242 lines
8.5 KiB
C++
/*
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* apps_common.hpp
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* Shared inline utilities and forward declarations for desktop apps
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* Copyright (c) 2026 Daniel Hammer
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*/
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#pragma once
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#include <montauk/syscall.h>
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#include <montauk/string.h>
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#include <montauk/heap.h>
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#include <gui/gui.hpp>
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#include <gui/framebuffer.hpp>
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#include <gui/font.hpp>
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#include <gui/draw.hpp>
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#include <gui/svg.hpp>
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#include <gui/widgets.hpp>
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#include <gui/window.hpp>
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#include <gui/canvas.hpp>
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#include <gui/terminal.hpp>
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#include <gui/desktop.hpp>
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// Placement new for freestanding environment
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inline void* operator new(unsigned long, void* p) { return p; }
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using namespace gui;
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// ============================================================================
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// Minimal snprintf
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// ============================================================================
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using va_list = __builtin_va_list;
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#define va_start __builtin_va_start
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#define va_end __builtin_va_end
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#define va_arg __builtin_va_arg
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struct PfState { char* buf; int pos; int max; };
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inline void pf_putc(PfState* st, char c) {
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if (st->pos < st->max) st->buf[st->pos] = c;
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st->pos++;
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}
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inline void pf_putnum(PfState* st, unsigned long val, int base, int width, char pad, int neg) {
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char tmp[24]; int i = 0;
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const char* digits = "0123456789abcdef";
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if (val == 0) { tmp[i++] = '0'; }
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else { while (val > 0) { tmp[i++] = digits[val % base]; val /= base; } }
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int total = (neg ? 1 : 0) + i;
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if (neg && pad == '0') pf_putc(st, '-');
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for (int w = total; w < width; w++) pf_putc(st, pad);
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if (neg && pad != '0') pf_putc(st, '-');
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while (i > 0) pf_putc(st, tmp[--i]);
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}
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inline int snprintf(char* buf, int size, const char* fmt, ...) {
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va_list ap; va_start(ap, fmt);
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PfState st; st.buf = buf; st.pos = 0; st.max = size > 0 ? size - 1 : 0;
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while (*fmt) {
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if (*fmt != '%') { pf_putc(&st, *fmt++); continue; }
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fmt++;
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char pad = ' ';
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if (*fmt == '0') { pad = '0'; fmt++; }
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int width = 0;
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while (*fmt >= '0' && *fmt <= '9') { width = width * 10 + (*fmt - '0'); fmt++; }
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if (*fmt == 'l') fmt++;
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switch (*fmt) {
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case 'd': case 'i': {
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long val = va_arg(ap, int);
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int neg = 0; unsigned long uval;
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if (val < 0) { neg = 1; uval = (unsigned long)(-val); } else uval = (unsigned long)val;
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pf_putnum(&st, uval, 10, width, pad, neg); break;
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}
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case 'u': { unsigned val = va_arg(ap, unsigned); pf_putnum(&st, val, 10, width, pad, 0); break; }
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case 'x': { unsigned val = va_arg(ap, unsigned); pf_putnum(&st, val, 16, width, pad, 0); break; }
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case 's': {
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const char* s = va_arg(ap, const char*); if (!s) s = "(null)";
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int slen = 0; while (s[slen]) slen++;
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for (int w = slen; w < width; w++) pf_putc(&st, ' ');
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for (int j = 0; j < slen; j++) pf_putc(&st, s[j]);
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break;
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}
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case 'c': { char c = (char)va_arg(ap, int); pf_putc(&st, c); break; }
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case '%': pf_putc(&st, '%'); break;
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default: pf_putc(&st, '%'); pf_putc(&st, *fmt); break;
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}
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if (*fmt) fmt++;
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}
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if (size > 0) { if (st.pos < size) st.buf[st.pos] = '\0'; else st.buf[size - 1] = '\0'; }
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va_end(ap); return st.pos;
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}
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// ============================================================================
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// String helpers
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// ============================================================================
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inline void str_append(char* dst, const char* src, int max) {
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int len = montauk::slen(dst);
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int i = 0;
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while (src[i] && len < max - 1) {
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dst[len++] = src[i++];
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}
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dst[len] = '\0';
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}
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inline int str_compare_ci(const char* a, const char* b) {
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while (*a && *b) {
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char ca = (*a >= 'A' && *a <= 'Z') ? (*a + 32) : *a;
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char cb = (*b >= 'A' && *b <= 'Z') ? (*b + 32) : *b;
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if (ca != cb) return ca - cb;
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a++; b++;
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}
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return (unsigned char)*a - (unsigned char)*b;
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}
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// ============================================================================
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// Network formatting helpers
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// ============================================================================
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inline void format_ip(char* buf, uint32_t ip) {
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snprintf(buf, 20, "%d.%d.%d.%d",
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(int)(ip & 0xFF), (int)((ip >> 8) & 0xFF),
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(int)((ip >> 16) & 0xFF), (int)((ip >> 24) & 0xFF));
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}
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inline void format_mac(char* buf, const uint8_t* mac) {
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snprintf(buf, 20, "%02x:%02x:%02x:%02x:%02x:%02x",
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(unsigned)mac[0], (unsigned)mac[1], (unsigned)mac[2],
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(unsigned)mac[3], (unsigned)mac[4], (unsigned)mac[5]);
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}
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// ============================================================================
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// File size formatting
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// ============================================================================
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inline void format_size(char* buf, uint64_t size) {
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// Pick the largest unit that keeps the integer part below 1024, then show
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// one decimal place for small values. 64-bit throughout: no 2 GiB overflow.
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static const char* const units[] = { "B", "KB", "MB", "GB", "TB", "PB" };
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if (size < 1024) {
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snprintf(buf, 16, "%d B", (int)size);
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return;
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}
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int unit = 0;
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uint64_t scaled = size;
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uint64_t rem = 0;
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while (scaled >= 1024 && unit < 5) {
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rem = scaled % 1024;
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scaled /= 1024;
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unit++;
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}
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int whole = (int)scaled;
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int frac = (int)((rem * 10) / 1024);
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if (whole < 10) {
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snprintf(buf, 16, "%d.%d %s", whole, frac, units[unit]);
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} else {
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snprintf(buf, 16, "%d %s", whole, units[unit]);
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}
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}
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// ============================================================================
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// Desktop builtins
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// ============================================================================
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enum DesktopBuiltinId : int {
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DESKTOP_BUILTIN_NONE = -1,
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DESKTOP_BUILTIN_FILES = 1,
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DESKTOP_BUILTIN_DESKTOP_SETTINGS = 11,
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DESKTOP_BUILTIN_REBOOT = 12,
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DESKTOP_BUILTIN_SHUTDOWN = 14,
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DESKTOP_BUILTIN_LOG_OUT = 16,
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DESKTOP_BUILTIN_LOCK_SCREEN = 17,
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DESKTOP_BUILTIN_SLEEP = 18,
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DESKTOP_BUILTIN_USER_MANAGEMENT = 19,
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DESKTOP_BUILTIN_SYSTEM_CONFIGURATION = 20,
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};
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struct DesktopBuiltinEntry {
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DesktopBuiltinId id;
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const char* label;
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int launcher_category;
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bool launcher_footer;
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const char* system_configuration_id;
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const char* icon_path;
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};
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const DesktopBuiltinEntry* desktop_builtin_registry(int* count);
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const DesktopBuiltinEntry* desktop_builtin_entry(DesktopBuiltinId id);
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SvgIcon* desktop_builtin_menu_icon(DesktopState* ds, DesktopBuiltinId id);
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void desktop_launch_builtin(DesktopState* ds, DesktopBuiltinId id);
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void desktop_lock_screen(DesktopState* ds);
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enum DesktopAppletKind : int {
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DESKTOP_APPLET_NONE = 0,
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DESKTOP_APPLET_BUILTIN,
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DESKTOP_APPLET_SHARED_LIBRARY,
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};
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struct DesktopAppletEntry {
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DesktopAppletKind kind;
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char id[48];
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char label[64];
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char icon_path[128];
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DesktopBuiltinId builtin_id;
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char library_path[128];
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};
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int desktop_list_system_configuration_applets(DesktopState* ds,
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DesktopAppletEntry* out,
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int max_entries);
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bool desktop_launch_system_configuration_applet(DesktopState* ds,
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const DesktopAppletEntry* applet);
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// ============================================================================
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// Forward declarations for desktop launch entry points
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// ============================================================================
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void open_terminal(DesktopState* ds);
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void open_filemanager(DesktopState* ds);
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void open_filemanager_path(DesktopState* ds, const char* path);
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void open_system_configuration(DesktopState* ds);
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void ensure_filemanager_icons_loaded(DesktopState* ds);
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void open_calculator(DesktopState* ds);
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void open_texteditor(DesktopState* ds);
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void open_klog(DesktopState* ds);
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void open_settings(DesktopState* ds);
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void open_user_manager(DesktopState* ds);
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void open_reboot_dialog(DesktopState* ds);
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void open_wordprocessor(DesktopState* ds);
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void open_shutdown_dialog(DesktopState* ds);
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void open_sleep_dialog(DesktopState* ds);
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// Hand a graceful power-off request to login.elf and exit the desktop so the
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// user returns to the login screen, where the shutdown stages run (Bluetooth
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// teardown, filesystem flush) before the final ACPI power-off / reset. Pass
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// montauk::abi::POWER_REQ_SHUTDOWN or montauk::abi::POWER_REQ_REBOOT.
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[[noreturn]] inline void desktop_request_power(int action) {
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montauk::power_request(action);
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montauk::exit(0);
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}
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bool desktop_poll_external_windows(DesktopState* ds);
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