Files
MontaukOS/programs/src/installer/main.cpp
T

351 lines
11 KiB
C++

/*
* main.cpp
* MontaukOS Installer — entry point, event loop, state
* Copyright (c) 2026 Daniel Hammer
*/
#include "installer.h"
#include <gui/standalone.hpp>
// ============================================================================
// Global state definitions
// ============================================================================
int g_win_w = INIT_W;
int g_win_h = INIT_H;
int FONT_SIZE = 18;
int FONT_SM = 14;
InstallerState g_state;
TrueTypeFont* g_font = nullptr;
uint32_t* g_pixels = nullptr;
uint32_t* g_backbuf = nullptr;
int g_win_id = -1;
static WsWindow g_window;
void apply_scale(int scale) {
switch (scale) {
case 0: FONT_SIZE = 14; FONT_SM = 11; break;
case 2: FONT_SIZE = 22; FONT_SM = 17; break;
default: FONT_SIZE = 18; FONT_SM = 14; break;
}
}
// ============================================================================
// Helpers
// ============================================================================
void set_status(const char* msg) {
int i = 0;
for (; i < 79 && msg[i]; i++) g_state.status[i] = msg[i];
g_state.status[i] = '\0';
g_state.status_time = montauk::get_milliseconds();
}
void add_log(const char* msg) {
if (g_state.log_count >= LOG_LINES) {
// Scroll: shift all lines up by one
for (int j = 0; j < LOG_LINES - 1; j++)
montauk::memcpy(g_state.log[j], g_state.log[j + 1], LOG_LINE_LEN);
g_state.log_count = LOG_LINES - 1;
}
int i = 0;
for (; i < LOG_LINE_LEN - 1 && msg[i]; i++)
g_state.log[g_state.log_count][i] = msg[i];
g_state.log[g_state.log_count][i] = '\0';
g_state.log_count++;
}
void flush_ui() {
if (g_pixels && g_backbuf && g_window.id >= 0) {
render(g_backbuf);
montauk::memcpy(g_pixels, g_backbuf, g_win_w * g_win_h * 4);
g_window.present();
}
}
void format_disk_size(char* buf, int bufsize, uint64_t sectors, uint16_t sectorSize) {
uint64_t bytes = sectors * sectorSize;
uint64_t gb = bytes / (1024ULL * 1024 * 1024);
if (gb >= 1024) {
uint64_t tb = gb / 1024;
uint64_t frac = ((gb % 1024) * 10) / 1024;
snprintf(buf, bufsize, "%lu.%lu TB", (unsigned)tb, (unsigned)frac);
} else if (gb > 0) {
uint64_t frac = ((bytes % (1024ULL * 1024 * 1024)) * 10) / (1024ULL * 1024 * 1024);
snprintf(buf, bufsize, "%lu.%lu GB", (unsigned)gb, (unsigned)frac);
} else {
uint64_t mb = bytes / (1024ULL * 1024);
snprintf(buf, bufsize, "%lu MB", (unsigned)mb);
}
}
// ============================================================================
// Mouse handling
// ============================================================================
static bool handle_click(int mx, int my) {
auto& st = g_state;
int fh = g_font ? g_font->get_cache(FONT_SIZE)->ascent - g_font->get_cache(FONT_SIZE)->descent : 16;
int fh_sm = g_font ? g_font->get_cache(FONT_SM)->ascent - g_font->get_cache(FONT_SM)->descent : 12;
// Common bottom button area
int btn_w = 120, btn_h = 34;
int btn_y = g_win_h - STATUS_H - btn_h - 12;
if (st.step == STEP_MODE_SELECT) {
// Two mode cards
int y = CONTENT_TOP + 16 + fh + 4 + fh_sm + 16;
int card_h = 52, card_x = 16, card_w = g_win_w - 32;
// Install card
if (mx >= card_x && mx < card_x + card_w && my >= y && my < y + card_h) {
st.mode = MODE_INSTALL;
installer_refresh_disks();
st.step = STEP_SELECT_DISK;
return true;
}
y += card_h + 8;
// Update card
if (mx >= card_x && mx < card_x + card_w && my >= y && my < y + card_h) {
st.mode = MODE_UPDATE;
installer_refresh_parts();
st.step = STEP_UPDATE_SELECT_PART;
return true;
}
} else if (st.step == STEP_SELECT_DISK) {
// Disk list items
int y = CONTENT_TOP + 40 + fh + 12;
for (int i = 0; i < st.disk_count; i++) {
int item_h = 48;
if (mx >= 16 && mx < g_win_w - 16 && my >= y && my < y + item_h) {
st.selected_disk = i;
return true;
}
y += item_h + 4;
}
// "Next" button
int next_x = g_win_w - btn_w - 16;
if (st.selected_disk >= 0 &&
mx >= next_x && mx < next_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_PARTITION_SCHEME;
return true;
}
// "Refresh" button
int ref_w = 80;
int ref_x = next_x - ref_w - 8;
if (mx >= ref_x && mx < ref_x + ref_w &&
my >= btn_y && my < btn_y + btn_h) {
installer_refresh_disks();
return true;
}
} else if (st.step == STEP_PARTITION_SCHEME) {
// Scheme radio buttons
int y = CONTENT_TOP + 40 + fh + 12;
for (int i = 0; i < SCHEME_COUNT; i++) {
int item_h = 52;
if (mx >= 16 && mx < g_win_w - 16 && my >= y && my < y + item_h) {
st.partition_scheme = i;
return true;
}
y += item_h + 4;
}
// "Next" button
int next_x = g_win_w - btn_w - 16;
if (mx >= next_x && mx < next_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_CONFIRM;
return true;
}
// "Back" button
int back_x = next_x - btn_w - 8;
if (mx >= back_x && mx < back_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_SELECT_DISK;
return true;
}
} else if (st.step == STEP_CONFIRM) {
int center_x = g_win_w / 2;
int gap = 16;
// "Install" button
int conf_x = center_x - btn_w - gap / 2;
if (mx >= conf_x && mx < conf_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_INSTALLING;
st.log_count = 0;
return true;
}
// "Back" button
int canc_x = center_x + gap / 2;
if (mx >= canc_x && mx < canc_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_PARTITION_SCHEME;
return true;
}
} else if (st.step == STEP_DONE || st.step == STEP_ERROR) {
int close_x = (g_win_w - 100) / 2;
if (mx >= close_x && mx < close_x + 100 &&
my >= btn_y && my < btn_y + btn_h) {
return false; // signal quit
}
} else if (st.step == STEP_UPDATE_SELECT_PART) {
// Partition list items
int y = CONTENT_TOP + 16 + fh + 4 + fh_sm + 12;
for (int i = 0; i < st.part_count; i++) {
int item_h = 48;
if (mx >= 16 && mx < g_win_w - 16 && my >= y && my < y + item_h) {
st.selected_part = i;
return true;
}
y += item_h + 4;
}
// "Next" button
int next_x = g_win_w - btn_w - 16;
if (st.selected_part >= 0 &&
mx >= next_x && mx < next_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_UPDATE_CONFIRM;
return true;
}
// "Back" button
int back_x = next_x - btn_w - 8;
if (mx >= back_x && mx < back_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_MODE_SELECT;
return true;
}
} else if (st.step == STEP_UPDATE_CONFIRM) {
int center_x = g_win_w / 2;
int gap = 16;
// "Update" button
int upd_x = center_x - btn_w - gap / 2;
if (mx >= upd_x && mx < upd_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_UPDATING;
st.log_count = 0;
return true;
}
// "Back" button
int back_x = center_x + gap / 2;
if (mx >= back_x && mx < back_x + btn_w &&
my >= btn_y && my < btn_y + btn_h) {
st.step = STEP_UPDATE_SELECT_PART;
return true;
}
}
return true;
}
// ============================================================================
// Entry point
// ============================================================================
extern "C" void _start() {
montauk::memset(&g_state, 0, sizeof(g_state));
g_state.selected_disk = -1;
g_state.selected_part = -1;
g_state.partition_scheme = SCHEME_EFI_EXT2;
g_state.step = STEP_MODE_SELECT;
// Load font
{
TrueTypeFont* f = (TrueTypeFont*)montauk::malloc(sizeof(TrueTypeFont));
if (f) {
montauk::memset(f, 0, sizeof(TrueTypeFont));
if (!f->init("0:/fonts/Roboto-Medium.ttf")) { montauk::mfree(f); f = nullptr; }
}
g_font = f;
}
apply_scale(montauk::win_getscale());
installer_refresh_disks();
if (!g_window.create("Install MontaukOS", INIT_W, INIT_H))
montauk::exit(1);
g_pixels = g_window.pixels;
g_win_id = g_window.id;
g_backbuf = (uint32_t*)montauk::malloc(g_win_w * g_win_h * 4);
render(g_backbuf);
montauk::memcpy(g_pixels, g_backbuf, g_win_w * g_win_h * 4);
g_window.present();
bool install_triggered = false;
while (true) {
Montauk::WinEvent ev;
bool redraw = false;
int r = g_window.poll(&ev);
if (r < 0) break;
if (r == 0) {
if (g_state.step == STEP_INSTALLING && !install_triggered) {
install_triggered = true;
flush_ui();
do_install();
flush_ui();
}
if (g_state.step == STEP_UPDATING && !install_triggered) {
install_triggered = true;
flush_ui();
do_update();
flush_ui();
}
montauk::sleep_ms(16);
continue;
}
if (ev.type == 3) break;
if (ev.type == 4) {
apply_scale(g_window.scale_factor);
redraw = true;
}
if (ev.type == 2) {
g_win_w = g_window.width;
g_win_h = g_window.height;
g_pixels = g_window.pixels;
montauk::mfree(g_backbuf);
g_backbuf = (uint32_t*)montauk::malloc(g_win_w * g_win_h * 4);
redraw = true;
}
if (ev.type == 0 && ev.key.pressed) {
if (ev.key.scancode == 0x01) break;
redraw = true;
}
if (ev.type == 1) {
bool clicked = (ev.mouse.buttons & 1) && !(ev.mouse.prev_buttons & 1);
if (clicked) {
if (!handle_click(ev.mouse.x, ev.mouse.y))
break;
redraw = true;
}
}
if (redraw) flush_ui();
}
g_window.destroy();
montauk::exit(0);
}