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

1290 lines
42 KiB
C++

/*
* main.cpp
* MontaukOS Printers - standalone Window Server app
* Copyright (c) 2026 Daniel Hammer
*/
#include <montauk/config.h>
#include <montauk/heap.h>
#include <montauk/string.h>
#include <montauk/syscall.h>
#include <gui/gui.hpp>
#include <gui/canvas.hpp>
#include <gui/mtk.hpp>
#include <gui/mtk/settings.hpp>
#include <gui/svg.hpp>
#include <gui/standalone.hpp>
#include <gui/truetype.hpp>
#include <print/print.hpp>
extern "C" {
#include <dirent.h>
#include <stdio.h>
#include <string.h>
}
using namespace gui;
using namespace print;
static constexpr int INIT_W = 560;
static constexpr int INIT_H = 500;
static constexpr int CONFIG_W = 408;
static constexpr int CONFIG_H = 220;
static constexpr int TAB_BAR_H = 36;
static constexpr int PAD_X = 16;
static constexpr int PAD_Y = 20;
static constexpr int BTN_H = 30;
static constexpr int FIELD_H = 32;
static constexpr int PRINTER_ICON_SIZE = 24;
enum PrinterTab {
TAB_OVERVIEW = 0,
TAB_DETAILS = 1,
TAB_COUNT = 2,
};
static const char* g_tab_labels[TAB_COUNT] = {
"Overview",
"Details",
};
struct AppState {
int active_tab;
char printer_uri[MAX_PATH_LEN];
bool printers_loaded;
bool daemon_running;
int daemon_pid;
int queue_count;
int active_count;
int done_count;
int failed_count;
uint64_t last_refresh_ms;
JobMeta last_active;
JobMeta last_failed;
bool has_active;
bool has_failed;
IppCapabilities probe_caps;
bool probe_valid;
bool probe_ok;
char probe_message[128];
char probe_time[32];
char probe_detail[MAX_DEBUG_LEN];
char status_msg[128];
uint64_t status_time;
bool config_open;
int config_button_down;
char edit_uri[MAX_PATH_LEN];
int edit_len;
mtk::TextInputState edit_input;
char edit_error[128];
int mouse_x;
int mouse_y;
int config_mouse_x;
int config_mouse_y;
Color accent;
};
struct Layout {
Rect configure_btn;
Rect clear_btn;
Rect probe_btn;
Rect start_btn;
Rect refresh_btn;
Rect test_btn;
Rect printer_icon;
};
struct ConfigLayout {
int input_label_y;
Rect input;
Rect save_btn;
Rect cancel_btn;
};
struct ConfigPopup {
int win_id;
uint32_t* pixels;
int width;
int height;
bool open;
};
static WsWindow g_win;
static ConfigPopup g_config = {-1, nullptr, CONFIG_W, CONFIG_H, false};
static AppState g_app = {};
static SvgIcon g_printer_icon = {};
static void render_config_popup();
static void str_append(char* dst, const char* src, int max) {
int len = montauk::slen(dst);
int i = 0;
while (src[i] && len < max - 1) dst[len++] = src[i++];
dst[len] = '\0';
}
static bool status_visible() {
return g_app.status_msg[0] &&
(montauk::get_milliseconds() - g_app.status_time < 4000);
}
static void set_status(const char* msg) {
montauk::strncpy(g_app.status_msg, msg ? msg : "", (int)sizeof(g_app.status_msg) - 1);
g_app.status_time = montauk::get_milliseconds();
}
static void clear_probe() {
montauk::memset(&g_app.probe_caps, 0, sizeof(g_app.probe_caps));
g_app.probe_valid = false;
g_app.probe_ok = false;
g_app.probe_message[0] = '\0';
g_app.probe_time[0] = '\0';
g_app.probe_detail[0] = '\0';
}
static void apply_probe_state(const ProbeState& state) {
g_app.probe_caps = state.caps;
g_app.probe_valid = state.printer_uri[0] != '\0' || state.message[0] != '\0';
g_app.probe_ok = state.ok;
safe_copy(g_app.probe_message, sizeof(g_app.probe_message), state.message);
safe_copy(g_app.probe_time, sizeof(g_app.probe_time), state.probed_at);
safe_copy(g_app.probe_detail, sizeof(g_app.probe_detail), state.detail);
}
static void set_accent(Color accent) {
g_app.accent = accent;
}
static mtk::Theme printers_theme() {
mtk::Theme theme = mtk::make_theme(g_app.accent);
theme.disabled_bg = Color::from_rgb(0xE6, 0xE6, 0xE6);
theme.disabled_fg = Color::from_rgb(0x9A, 0x9A, 0x9A);
return theme;
}
static void load_accent() {
set_accent(mtk::load_system_accent());
}
static void load_icons() {
if (g_printer_icon.pixels) svg_free(g_printer_icon);
g_printer_icon = svg_load("0:/icons/printer-symbolic.svg",
PRINTER_ICON_SIZE, PRINTER_ICON_SIZE,
Color::from_rgb(0x6A, 0x72, 0x7D));
}
static int count_dir_entries(const char* path) {
DIR* d = opendir(path);
if (!d) return 0;
int count = 0;
struct dirent* ent = nullptr;
while ((ent = readdir(d)) != nullptr) {
if (ent->d_name[0] == '.') continue;
count++;
}
closedir(d);
return count;
}
static bool load_latest_job(const char* dir, JobMeta* out) {
if (out) zero_job(out);
DIR* d = opendir(dir);
if (!d) return false;
bool found = false;
char best_key[32] = {};
struct dirent* ent = nullptr;
while ((ent = readdir(d)) != nullptr) {
if (ent->d_name[0] == '.') continue;
char path[MAX_PATH_LEN];
path_join(path, sizeof(path), dir, ent->d_name);
JobMeta job = {};
if (!load_job_from_path(path, &job)) continue;
const char* key = job.updated_at[0] ? job.updated_at : job.created_at;
if (!found || strcmp(key, best_key) > 0) {
found = true;
safe_copy(best_key, sizeof(best_key), key);
if (out) *out = job;
}
}
closedir(d);
return found;
}
static void text_fit(const char* src, char* out, int out_len, int max_w) {
if (!src || !out || out_len <= 0) return;
montauk::strncpy(out, src, out_len - 1);
if (text_width(out) <= max_w) return;
const char* ell = "...";
int keep = montauk::slen(src);
while (keep > 0) {
char tmp[MAX_DEBUG_LEN];
int n = keep < (int)sizeof(tmp) - 4 ? keep : (int)sizeof(tmp) - 4;
for (int i = 0; i < n; i++) tmp[i] = src[i];
tmp[n] = '\0';
str_append(tmp, ell, (int)sizeof(tmp));
if (text_width(tmp) <= max_w) {
montauk::strncpy(out, tmp, out_len - 1);
return;
}
keep--;
}
montauk::strncpy(out, ell, out_len - 1);
}
static void format_resolved_transport_line(const IppUri& uri, char* out, int out_len) {
if (!out || out_len <= 0) return;
out[0] = '\0';
const char* transport = uri.use_tls ? "TLS" : "Plain TCP";
uint32_t ip = 0;
if (!parse_ipv4_literal(uri.host, &ip))
ip = g_app.probe_caps.resolved_ip;
if (ip != 0) {
char ip_text[20];
format_ipv4(ip_text, sizeof(ip_text), ip);
snprintf(out, out_len, "Resolved: %s Transport: %s", ip_text, transport);
return;
}
if (host_looks_like_mdns(uri.host)) {
snprintf(out, out_len,
"Resolved: unavailable (.local/mDNS not supported yet) Transport: %s",
transport);
return;
}
if (g_app.probe_valid)
snprintf(out, out_len, "Resolved: unavailable Transport: %s", transport);
else
snprintf(out, out_len, "Resolved: run Probe to resolve current printer Transport: %s",
transport);
}
static bool main_mouse_in_rect(const Rect& rect) {
return rect.contains(g_app.mouse_x, g_app.mouse_y);
}
static bool config_mouse_in_rect(const Rect& rect) {
return rect.contains(g_app.config_mouse_x, g_app.config_mouse_y);
}
static mtk::WidgetState main_button_state(const Rect& rect, bool enabled, bool active = false) {
return mtk::widget_state(active, main_mouse_in_rect(rect), enabled);
}
static mtk::WidgetState config_button_state(const Rect& rect, bool enabled, bool active = false) {
return mtk::widget_state(active, config_mouse_in_rect(rect), enabled);
}
static int control_row_text_y(int row_y) {
return row_y + (BTN_H - system_font_height()) / 2;
}
static int control_row_badge_y(int row_y) {
return row_y + (BTN_H - mtk::badge_height()) / 2;
}
static void draw_overview_stat_row(Canvas& c, int x, int y, int w,
const char* label, int value,
const mtk::Theme& theme) {
char value_buf[16];
snprintf(value_buf, sizeof(value_buf), "%d", value);
c.text(x, y, label, theme.text);
int value_w = text_width(value_buf);
c.text(x + w - value_w, y, value_buf, theme.text);
}
static void compute_layout(Layout* lo) {
int sfh = system_font_height();
int x = PAD_X;
int y = TAB_BAR_H + PAD_Y;
if (status_visible()) y += sfh + 12;
lo->configure_btn = {0, 0, 0, 0};
lo->clear_btn = {0, 0, 0, 0};
lo->probe_btn = {0, 0, 0, 0};
lo->start_btn = {0, 0, 0, 0};
lo->refresh_btn = {0, 0, 0, 0};
lo->test_btn = {0, 0, 0, 0};
lo->printer_icon = {0, 0, 0, 0};
if (g_app.active_tab == TAB_OVERVIEW) {
int right_edge = g_win.width - x;
lo->clear_btn = {right_edge - 84, y, 84, BTN_H};
lo->configure_btn = {lo->clear_btn.x - 8 - 112, y, 112, BTN_H};
if (g_app.probe_ok && g_app.probe_caps.printer_name[0] && g_printer_icon.pixels) {
lo->printer_icon = {
x,
y + (BTN_H - PRINTER_ICON_SIZE) / 2,
PRINTER_ICON_SIZE,
PRINTER_ICON_SIZE
};
}
y += BTN_H + 8;
y += sfh + 4;
y += sfh + 4;
if (!g_app.probe_ok || !g_app.probe_caps.printer_name[0])
y += sfh + 4;
y += sfh + 14;
y += 16;
int queue_row_h = sfh + 10;
y += sfh + 8;
y += queue_row_h * 4;
y += sfh + 8;
if (g_app.has_failed) y += sfh + 4;
if (!g_app.daemon_running) y += sfh + 4;
y += 14;
y += 16;
lo->test_btn = {g_win.width - x - 132, y, 132, BTN_H};
} else {
lo->probe_btn = {g_win.width - x - 92, y, 92, BTN_H};
y += BTN_H + 8;
if (g_app.printer_uri[0]) {
char err[128] = {};
IppUri normalized = {};
if (normalize_ipp_uri(g_app.printer_uri, &normalized, err, sizeof(err))) {
y += sfh + 4;
y += sfh + 4;
y += sfh + 4;
y += sfh + 4;
} else {
y += sfh + 4;
y += sfh + 4;
}
} else {
y += sfh + 4;
y += sfh + 4;
}
y += sfh + 4;
if (g_app.probe_time[0]) y += sfh + 4;
if (g_app.probe_valid) {
y += sfh + 4;
if (g_app.probe_ok) y += sfh + 4;
if (g_app.probe_caps.supported_formats[0]) y += sfh + 4;
if (g_app.probe_detail[0]) y += sfh + 4;
} else {
y += sfh + 4;
}
y += 14;
y += 16;
lo->start_btn = {g_win.width - x - 118 - 8 - 86, y, 118, BTN_H};
lo->refresh_btn = {lo->start_btn.x + 126, y, 86, BTN_H};
y += BTN_H + 8;
y += sfh + 6;
y += sfh + 4;
y += sfh + 4;
if (g_app.has_active) y += sfh + 4;
if (g_app.has_active && g_app.last_active.debug_info[0]) y += sfh + 4;
if (g_app.has_failed) {
y += sfh + 4;
if (g_app.last_failed.debug_info[0]) y += sfh + 4;
}
y += 14;
y += 16;
}
}
static Rect tab_bar_rect() {
return {0, 0, g_win.width, TAB_BAR_H};
}
static void compute_config_layout(ConfigLayout* lo) {
mtk::Theme theme = printers_theme();
int pad = 16;
int sfh = system_font_height();
int field_w = g_config.width - pad * 2;
if (field_w < 120) field_w = 120;
lo->input_label_y = 16 + sfh + 6 + sfh + 10;
lo->input = mtk::labeled_text_input_rect(pad, lo->input_label_y, field_w, theme, FIELD_H);
lo->save_btn = {pad, g_config.height - BTN_H - 16, 80, BTN_H};
lo->cancel_btn = {pad + 88, g_config.height - BTN_H - 16, 80, BTN_H};
}
static bool refresh_state(bool force = false) {
uint64_t now = montauk::get_milliseconds();
if (!force && g_app.printers_loaded && now - g_app.last_refresh_ms < 1000) return false;
bool was_loaded = g_app.printers_loaded;
char old_printer_uri[MAX_PATH_LEN];
safe_copy(old_printer_uri, sizeof(old_printer_uri), g_app.printer_uri);
bool old_daemon_running = g_app.daemon_running;
int old_daemon_pid = g_app.daemon_pid;
int old_queue_count = g_app.queue_count;
int old_active_count = g_app.active_count;
int old_done_count = g_app.done_count;
int old_failed_count = g_app.failed_count;
JobMeta old_active = g_app.last_active;
JobMeta old_failed = g_app.last_failed;
bool old_has_active = g_app.has_active;
bool old_has_failed = g_app.has_failed;
IppCapabilities old_probe_caps = g_app.probe_caps;
bool old_probe_valid = g_app.probe_valid;
bool old_probe_ok = g_app.probe_ok;
char old_probe_message[sizeof(g_app.probe_message)];
char old_probe_time[sizeof(g_app.probe_time)];
char old_probe_detail[sizeof(g_app.probe_detail)];
safe_copy(old_probe_message, sizeof(old_probe_message), g_app.probe_message);
safe_copy(old_probe_time, sizeof(old_probe_time), g_app.probe_time);
safe_copy(old_probe_detail, sizeof(old_probe_detail), g_app.probe_detail);
if (force || !g_app.printers_loaded)
ensure_spool_dirs();
if (!read_default_printer_uri(g_app.printer_uri, sizeof(g_app.printer_uri)))
g_app.printer_uri[0] = '\0';
ProbeState probe = {};
if (g_app.printer_uri[0] && load_printer_probe_state(&probe) &&
montauk::streq(probe.printer_uri, g_app.printer_uri))
apply_probe_state(probe);
else
clear_probe();
g_app.daemon_pid = -1;
g_app.daemon_running = daemon_is_running(&g_app.daemon_pid);
g_app.queue_count = count_dir_entries(SPOOL_QUEUE_DIR);
g_app.active_count = count_dir_entries(SPOOL_ACTIVE_DIR);
g_app.done_count = count_dir_entries(SPOOL_DONE_DIR);
g_app.failed_count = count_dir_entries(SPOOL_FAILED_DIR);
g_app.has_active = load_latest_job(SPOOL_ACTIVE_DIR, &g_app.last_active);
g_app.has_failed = load_latest_job(SPOOL_FAILED_DIR, &g_app.last_failed);
g_app.printers_loaded = true;
g_app.last_refresh_ms = now;
return !was_loaded
|| !montauk::streq(old_printer_uri, g_app.printer_uri)
|| old_daemon_running != g_app.daemon_running
|| old_daemon_pid != g_app.daemon_pid
|| old_queue_count != g_app.queue_count
|| old_active_count != g_app.active_count
|| old_done_count != g_app.done_count
|| old_failed_count != g_app.failed_count
|| old_has_active != g_app.has_active
|| (g_app.has_active && memcmp(&old_active, &g_app.last_active, sizeof(g_app.last_active)) != 0)
|| old_has_failed != g_app.has_failed
|| (g_app.has_failed && memcmp(&old_failed, &g_app.last_failed, sizeof(g_app.last_failed)) != 0)
|| old_probe_valid != g_app.probe_valid
|| old_probe_ok != g_app.probe_ok
|| !montauk::streq(old_probe_message, g_app.probe_message)
|| !montauk::streq(old_probe_time, g_app.probe_time)
|| !montauk::streq(old_probe_detail, g_app.probe_detail)
|| memcmp(&old_probe_caps, &g_app.probe_caps, sizeof(g_app.probe_caps)) != 0;
}
static void probe_printer() {
ProbeState probe = {};
char err[128] = {};
bool ok = probe_printer_uri(g_app.printer_uri, &probe, err, sizeof(err));
apply_probe_state(probe);
if (probe.printer_uri[0]) save_printer_probe_state(&probe);
set_status(ok ? "Printer probe succeeded" : (probe.message[0] ? probe.message : "Printer probe failed"));
}
static void close_config_popup() {
if (g_config.open && g_config.win_id >= 0)
montauk::win_destroy(g_config.win_id);
g_config.win_id = -1;
g_config.pixels = nullptr;
g_config.width = CONFIG_W;
g_config.height = CONFIG_H;
g_config.open = false;
g_app.config_open = false;
}
static void open_config_popup() {
safe_copy(g_app.edit_uri, sizeof(g_app.edit_uri), g_app.printer_uri);
g_app.edit_len = montauk::slen(g_app.edit_uri);
mtk::text_input_reset(g_app.edit_input, g_app.edit_len);
g_app.edit_error[0] = '\0';
g_app.config_button_down = 0;
g_app.config_mouse_x = -1;
g_app.config_mouse_y = -1;
if (!g_config.open) {
Montauk::WinCreateResult wres;
if (montauk::win_create("Configure Printer", CONFIG_W, CONFIG_H, &wres) < 0 || wres.id < 0) {
set_status("Failed to open printer dialog");
return;
}
g_config.win_id = wres.id;
g_config.pixels = (uint32_t*)(uintptr_t)wres.pixelVa;
g_config.width = CONFIG_W;
g_config.height = CONFIG_H;
g_config.open = true;
}
g_app.config_open = true;
render_config_popup();
}
static void save_configured_printer() {
if (g_app.edit_len == 0) {
safe_copy(g_app.edit_error, sizeof(g_app.edit_error), "Printer URI is required");
return;
}
char err[128] = {};
IppUri uri = {};
if (!normalize_ipp_uri(g_app.edit_uri, &uri, err, sizeof(err))) {
safe_copy(g_app.edit_error, sizeof(g_app.edit_error), err);
return;
}
if (!write_default_printer_uri(uri.normalized)) {
safe_copy(g_app.edit_error, sizeof(g_app.edit_error), "Failed to save printer");
return;
}
close_config_popup();
refresh_state(true);
set_status("Printer saved");
}
static void render_config_popup() {
if (!g_app.config_open || !g_config.open || g_config.win_id < 0 || g_config.pixels == nullptr) return;
Canvas c(g_config.pixels, g_config.width, g_config.height);
mtk::Theme theme = printers_theme();
c.fill(theme.window_bg);
ConfigLayout lo = {};
compute_config_layout(&lo);
int sfh = system_font_height();
int x = 16;
int y = 16;
c.text(x, y, "Default Printer", theme.text);
y += sfh + 6;
c.text(x, y, "Enter an IPP or IPPS destination URI.", theme.text_muted);
mtk::draw_labeled_text_field(c, lo.input.x, lo.input_label_y, lo.input.w,
"Printer URI", g_app.edit_uri,
g_app.edit_input.cursor,
true, false, theme, lo.input.h,
g_app.edit_input.selection_anchor);
y = lo.input.y + lo.input.h + 12;
c.text(x, y, "Example: ipp://printer.local/ipp/print", theme.text_muted);
y += sfh + 10;
if (g_app.edit_error[0])
c.text(x, y, g_app.edit_error, theme.danger);
mtk::draw_modal_actions(c,
lo.save_btn, "Save",
mtk::BUTTON_PRIMARY,
config_button_state(lo.save_btn, true, g_app.config_button_down == 1),
lo.cancel_btn, "Cancel",
config_button_state(lo.cancel_btn, true, g_app.config_button_down == 2),
theme);
mtk::draw_text_input_context_menu(
c, g_app.edit_input, theme,
mtk::text_input_has_selection(g_app.edit_input,
g_app.edit_uri, MAX_PATH_LEN));
montauk::win_present(g_config.win_id);
}
static bool handle_config_mouse(int mx, int my, uint8_t buttons, uint8_t prev_buttons) {
ConfigLayout lo = {};
compute_config_layout(&lo);
g_app.config_mouse_x = mx;
g_app.config_mouse_y = my;
bool left_pressed = (buttons & 1) && !(prev_buttons & 1);
bool left_released = !(buttons & 1) && (prev_buttons & 1);
bool right_pressed = (buttons & 2) && !(prev_buttons & 2);
if (g_app.edit_input.context.open || g_app.edit_input.dragging) {
int result = mtk::text_input_handle_mouse(g_app.edit_input, lo.input,
g_app.edit_uri, MAX_PATH_LEN,
mx, my, buttons, prev_buttons,
g_config.width, g_config.height,
true);
if (result & mtk::TEXT_INPUT_CHANGED) {
g_app.edit_len = mtk::text_input_len(g_app.edit_uri, MAX_PATH_LEN);
g_app.edit_error[0] = '\0';
}
return false;
}
if (left_pressed || right_pressed) {
if (lo.input.contains(mx, my)) {
g_app.config_button_down = 0;
int result = mtk::text_input_handle_mouse(g_app.edit_input, lo.input,
g_app.edit_uri, MAX_PATH_LEN,
mx, my, buttons, prev_buttons,
g_config.width, g_config.height,
true);
if (result & mtk::TEXT_INPUT_CHANGED) {
g_app.edit_len = mtk::text_input_len(g_app.edit_uri, MAX_PATH_LEN);
g_app.edit_error[0] = '\0';
}
return false;
}
if (!left_pressed) return false;
int button_down = 0;
if (lo.save_btn.contains(mx, my))
button_down = 1;
else if (lo.cancel_btn.contains(mx, my))
button_down = 2;
g_app.config_button_down = button_down;
return false;
}
if (!left_released) return false;
int pressed = g_app.config_button_down;
g_app.config_button_down = 0;
if (pressed == 1 && lo.save_btn.contains(mx, my)) {
save_configured_printer();
return !g_app.config_open;
}
if (pressed == 2 && lo.cancel_btn.contains(mx, my)) {
close_config_popup();
return true;
}
return false;
}
static bool handle_config_key(const Montauk::KeyEvent& key) {
if (!key.pressed) return false;
if (key.scancode == 0x01) {
close_config_popup();
return true;
}
if (key.ascii == '\n' || key.ascii == '\r' || key.scancode == 0x1C) {
save_configured_printer();
return !g_app.config_open;
}
int result = mtk::text_input_key(g_app.edit_input, g_app.edit_uri,
MAX_PATH_LEN, key);
if (result & mtk::TEXT_INPUT_CHANGED) {
g_app.edit_len = mtk::text_input_len(g_app.edit_uri, MAX_PATH_LEN);
g_app.edit_error[0] = '\0';
}
return false;
}
static void render_overview(Canvas& c, const Layout& lo, const mtk::Theme& theme) {
Color dim = theme.text_muted;
Color success = Color::from_rgb(0x22, 0x88, 0x22);
Color danger = theme.danger;
Color quiet_bg = Color::from_rgb(0xE6, 0xE6, 0xE6);
int sfh = system_font_height();
int x = PAD_X;
int y = TAB_BAR_H + PAD_Y;
int w = g_win.width - 2 * x;
int title_x = x;
char title[MAX_DEBUG_LEN];
if (status_visible()) {
c.text(x, y, g_app.status_msg, theme.accent);
y += sfh + 12;
}
const char* chip_label = "Not Set";
Color chip_bg = quiet_bg;
Color chip_fg = theme.text;
if (g_app.printer_uri[0] && g_app.probe_ok) {
chip_label = "Ready";
chip_bg = success;
chip_fg = colors::WHITE;
} else if (g_app.printer_uri[0] && g_app.probe_valid) {
chip_label = "Problem";
chip_bg = danger;
chip_fg = colors::WHITE;
} else if (g_app.printer_uri[0]) {
chip_label = "Checking";
chip_bg = theme.accent_soft;
chip_fg = theme.text;
}
int chip_w = mtk::badge_width(chip_label, theme);
int chip_x = lo.configure_btn.x - chip_w - 12;
if (chip_x < x + 74) chip_x = x + 74;
if (lo.printer_icon.w > 0) {
title_x = lo.printer_icon.x + lo.printer_icon.w + 10;
if (chip_x < title_x + 80) chip_x = title_x + 80;
}
if (g_app.probe_ok && g_app.probe_caps.printer_name[0])
safe_copy(title, sizeof(title), g_app.probe_caps.printer_name);
else
safe_copy(title, sizeof(title), "Printer");
int title_max_w = chip_x - title_x - 12;
if (title_max_w < 80) title_max_w = 80;
text_fit(title, title, sizeof(title), title_max_w);
if (lo.printer_icon.w > 0 && g_printer_icon.pixels)
c.icon(lo.printer_icon.x, lo.printer_icon.y, g_printer_icon);
c.text(title_x, control_row_text_y(y), title, theme.text);
mtk::draw_badge(c, chip_x, control_row_badge_y(y), chip_label, chip_bg, chip_fg, theme);
mtk::draw_button(c, lo.configure_btn, "Configure", mtk::BUTTON_PRIMARY,
main_button_state(lo.configure_btn, true), theme);
mtk::draw_button(c, lo.clear_btn, "Clear", mtk::BUTTON_SECONDARY,
main_button_state(lo.clear_btn, g_app.printer_uri[0] != '\0'), theme);
y += BTN_H + 8;
char line[MAX_DEBUG_LEN];
if (!g_app.probe_ok || !g_app.probe_caps.printer_name[0]) {
if (g_app.printer_uri[0])
safe_copy(line, sizeof(line), "Configured printer");
else
safe_copy(line, sizeof(line), "No printer configured");
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, theme.text);
y += sfh + 4;
}
if (g_app.printer_uri[0]) {
text_fit(g_app.printer_uri, line, sizeof(line), w);
c.text(x, y, line, dim);
} else {
c.text(x, y, "Choose an IPP or IPPS printer to start printing.", dim);
}
y += sfh + 4;
if (!g_app.printer_uri[0]) {
c.text(x, y, "The saved printer is shared system-wide through the spooler.", dim);
} else if (g_app.probe_ok) {
if (g_app.probe_caps.status_message[0])
safe_copy(line, sizeof(line), g_app.probe_caps.status_message);
else
safe_copy(line, sizeof(line), "Printer is reachable and ready for queued jobs.");
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
} else if (g_app.probe_valid) {
text_fit(g_app.probe_message, line, sizeof(line), w);
c.text(x, y, line, danger);
} else {
c.text(x, y, "Waiting for the spooler to probe the configured printer.", dim);
}
y += sfh + 14;
mtk::draw_separator(c, x, y, w, theme);
y += 16;
if (!g_app.printer_uri[0]) {
c.text(x, y, "Queue and test-page controls appear after a printer is configured.", dim);
return;
}
c.text(x, y, "Queue", theme.text);
y += sfh + 8;
int row_h = sfh + 10;
draw_overview_stat_row(c, x, y, w, "Waiting", g_app.queue_count, theme);
y += row_h;
mtk::draw_separator(c, x, y - 5, w, theme);
draw_overview_stat_row(c, x, y, w, "Printing", g_app.active_count, theme);
y += row_h;
mtk::draw_separator(c, x, y - 5, w, theme);
draw_overview_stat_row(c, x, y, w, "Completed", g_app.done_count, theme);
y += row_h;
mtk::draw_separator(c, x, y - 5, w, theme);
draw_overview_stat_row(c, x, y, w, "Failed", g_app.failed_count, theme);
y += row_h;
y += 2;
if (g_app.has_active) {
snprintf(line, sizeof(line), "Now printing: %s", g_app.last_active.job_name);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
y += sfh + 4;
} else if (g_app.queue_count > 0) {
c.text(x, y, "Jobs are waiting to be picked up by the spooler.", dim);
y += sfh + 4;
} else {
c.text(x, y, "No jobs in queue.", dim);
y += sfh + 4;
}
if (g_app.has_failed) {
snprintf(line, sizeof(line), "Last failure: %s", g_app.last_failed.status_message);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, danger);
y += sfh + 4;
}
if (!g_app.daemon_running) {
c.text(x, y, "Printing is paused until the spooler starts.", danger);
y += sfh + 4;
}
y += 10;
mtk::draw_separator(c, x, y, w, theme);
y += 16;
c.text(x, control_row_text_y(y), "Test Page", theme.text);
mtk::draw_button(c, lo.test_btn, "Print Test Page", mtk::BUTTON_PRIMARY,
main_button_state(lo.test_btn, true), theme);
y += BTN_H + 8;
c.text(x, y, "Queue a simple test page through the print spooler.", dim);
y += sfh + 4;
c.text(x, y, "Uses the configured default printer.", theme.text);
}
static void render_details(Canvas& c, const Layout& lo, const mtk::Theme& theme) {
Color dim = theme.text_muted;
Color success = Color::from_rgb(0x22, 0x88, 0x22);
Color danger = theme.danger;
int sfh = system_font_height();
int x = PAD_X;
int y = TAB_BAR_H + PAD_Y;
int w = g_win.width - 2 * x;
char line[MAX_DEBUG_LEN];
if (status_visible()) {
c.text(x, y, g_app.status_msg, theme.accent);
y += sfh + 12;
}
c.text(x, control_row_text_y(y), "Connection", theme.text);
mtk::draw_button(c, lo.probe_btn, "Probe", mtk::BUTTON_SECONDARY,
main_button_state(lo.probe_btn, g_app.printer_uri[0] != '\0'), theme);
y += BTN_H + 8;
if (g_app.printer_uri[0]) {
IppUri normalized = {};
char err[128] = {};
if (normalize_ipp_uri(g_app.printer_uri, &normalized, err, sizeof(err))) {
text_fit(g_app.printer_uri, line, sizeof(line), w);
c.text(x, y, line, theme.text);
y += sfh + 4;
snprintf(line, sizeof(line), "Host: %s", normalized.host);
c.text(x, y, line, dim);
y += sfh + 4;
format_resolved_transport_line(normalized, line, sizeof(line));
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
y += sfh + 4;
snprintf(line, sizeof(line), "Path: %s Port: %u", normalized.path, (unsigned)normalized.port);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
} else {
c.text(x, y, "Printer URI is invalid", danger);
y += sfh + 4;
text_fit(err, line, sizeof(line), w);
c.text(x, y, line, dim);
}
} else {
c.text(x, y, "No printer configured", dim);
y += sfh + 4;
c.text(x, y, "Use Overview to configure the system printer.", dim);
}
y += sfh + 4;
if (g_app.probe_time[0]) {
snprintf(line, sizeof(line), "Last probe: %s", g_app.probe_time);
c.text(x, y, line, dim);
y += sfh + 4;
}
if (g_app.probe_valid) {
if (g_app.probe_ok && g_app.probe_caps.printer_name[0])
snprintf(line, sizeof(line), "Printer: %s", g_app.probe_caps.printer_name);
else
snprintf(line, sizeof(line), "Probe: %s",
g_app.probe_message[0] ? g_app.probe_message : (g_app.probe_ok ? "ok" : "failed"));
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, g_app.probe_ok ? theme.text : danger);
y += sfh + 4;
if (g_app.probe_ok) {
snprintf(line, sizeof(line), "Caps: PDF %s, JPEG %s, text %s",
g_app.probe_caps.supports_pdf ? "yes" : "no",
g_app.probe_caps.supports_jpeg ? "yes" : "no",
g_app.probe_caps.supports_text ? "yes" : "no");
c.text(x, y, line, dim);
y += sfh + 4;
}
if (g_app.probe_caps.supported_formats[0]) {
snprintf(line, sizeof(line), "Formats: %s", g_app.probe_caps.supported_formats);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
y += sfh + 4;
}
if (g_app.probe_detail[0]) {
text_fit(g_app.probe_detail, line, sizeof(line), w);
c.text(x, y, line, dim);
y += sfh + 4;
}
} else {
c.text(x, y, "Waiting for daemon auto-probe or run Probe.", dim);
y += sfh + 4;
}
y += 10;
mtk::draw_separator(c, x, y, w, theme);
y += 16;
c.text(x, control_row_text_y(y), "Spooler", theme.text);
mtk::draw_button(c, lo.start_btn, "Start Daemon", mtk::BUTTON_TONAL,
main_button_state(lo.start_btn, !g_app.daemon_running), theme);
mtk::draw_button(c, lo.refresh_btn, "Refresh", mtk::BUTTON_SECONDARY,
main_button_state(lo.refresh_btn, true), theme);
const char* daemon_label = g_app.daemon_running ? "Running" : "Stopped";
int chip_w = mtk::badge_width(daemon_label, theme);
int chip_x = lo.start_btn.x - chip_w - 12;
if (chip_x < x + 70) chip_x = x + 70;
mtk::draw_badge(c, chip_x, control_row_badge_y(y), daemon_label,
g_app.daemon_running ? success : danger,
colors::WHITE, theme);
y += BTN_H + 8;
if (g_app.daemon_running)
snprintf(line, sizeof(line), "Daemon PID %d", g_app.daemon_pid);
else
safe_copy(line, sizeof(line), "Spooler is not active");
c.text(x, y, line, dim);
y += sfh + 6;
snprintf(line, sizeof(line), "Queued: %d Printing: %d", g_app.queue_count, g_app.active_count);
c.text(x, y, line, theme.text);
y += sfh + 4;
snprintf(line, sizeof(line), "Completed: %d Failed: %d", g_app.done_count, g_app.failed_count);
c.text(x, y, line, theme.text);
y += sfh + 4;
if (g_app.has_active) {
snprintf(line, sizeof(line), "Active: %s", g_app.last_active.job_name);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
y += sfh + 4;
if (g_app.last_active.debug_info[0]) {
snprintf(line, sizeof(line), "Debug: %s", g_app.last_active.debug_info);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
y += sfh + 4;
}
}
if (g_app.has_failed) {
snprintf(line, sizeof(line), "Last failure: %s", g_app.last_failed.status_message);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, danger);
y += sfh + 4;
if (g_app.last_failed.debug_info[0]) {
snprintf(line, sizeof(line), "Debug: %s", g_app.last_failed.debug_info);
text_fit(line, line, sizeof(line), w);
c.text(x, y, line, dim);
y += sfh + 4;
}
}
}
static void render() {
mtk::StandaloneHost host(&g_win);
Canvas c = host.canvas();
mtk::Theme theme = printers_theme();
c.fill(theme.window_bg);
Layout lo = {};
compute_layout(&lo);
mtk::draw_tab_bar(c, tab_bar_rect(), g_tab_labels, TAB_COUNT, g_app.active_tab, theme);
switch (g_app.active_tab) {
case TAB_OVERVIEW:
render_overview(c, lo, theme);
break;
case TAB_DETAILS:
render_details(c, lo, theme);
break;
}
host.present();
}
static void handle_click(int mx, int my) {
Layout lo = {};
compute_layout(&lo);
if (g_app.config_open)
return;
int tab = mtk::hit_tab_bar(tab_bar_rect(), TAB_COUNT, mx, my);
if (tab >= 0) {
g_app.active_tab = tab;
return;
}
if (g_app.active_tab == TAB_OVERVIEW && lo.configure_btn.contains(mx, my)) {
open_config_popup();
return;
}
if (g_app.active_tab == TAB_OVERVIEW && g_app.printer_uri[0] && lo.clear_btn.contains(mx, my)) {
if (montauk::fdelete(DEFAULT_PRINTER_PATH) < 0) set_status("Failed to clear printer");
else {
refresh_state(true);
set_status("Printer cleared");
}
return;
}
if (g_app.active_tab == TAB_DETAILS && g_app.printer_uri[0] && lo.probe_btn.contains(mx, my)) {
probe_printer();
return;
}
if (g_app.active_tab == TAB_DETAILS && !g_app.daemon_running && lo.start_btn.contains(mx, my)) {
char err[128] = {};
if (ensure_daemon_running(err, sizeof(err))) {
refresh_state(true);
set_status("Print spooler started");
} else {
set_status(err[0] ? err : "Failed to start print spooler");
}
return;
}
if (g_app.active_tab == TAB_DETAILS && lo.refresh_btn.contains(mx, my)) {
refresh_state(true);
set_status("Printer status refreshed");
return;
}
if (g_app.active_tab == TAB_OVERVIEW && g_app.printer_uri[0] && lo.test_btn.contains(mx, my)) {
char job_id[48] = {};
char err[128] = {};
if (submit_test_page_job(nullptr, job_id, sizeof(job_id), err, sizeof(err))) {
refresh_state(true);
set_status("Test page queued");
} else {
set_status(err[0] ? err : "Failed to queue test page");
}
return;
}
}
static bool hover_changed(const Rect& rect, bool enabled,
int prev_x, int prev_y, int next_x, int next_y) {
if (!enabled) return false;
return rect.contains(prev_x, prev_y) != rect.contains(next_x, next_y);
}
static bool handle_mouse(const Montauk::WinEvent& ev) {
if (g_app.config_open)
return false;
Layout lo = {};
compute_layout(&lo);
int prev_x = g_app.mouse_x;
int prev_y = g_app.mouse_y;
g_app.mouse_x = ev.mouse.x;
g_app.mouse_y = ev.mouse.y;
bool redraw = false;
if (g_app.active_tab == TAB_OVERVIEW) {
redraw |= hover_changed(lo.configure_btn, true, prev_x, prev_y, g_app.mouse_x, g_app.mouse_y);
redraw |= hover_changed(lo.clear_btn, g_app.printer_uri[0] != '\0',
prev_x, prev_y, g_app.mouse_x, g_app.mouse_y);
redraw |= hover_changed(lo.test_btn, g_app.printer_uri[0] != '\0',
prev_x, prev_y, g_app.mouse_x, g_app.mouse_y);
} else {
redraw |= hover_changed(lo.probe_btn, g_app.printer_uri[0] != '\0',
prev_x, prev_y, g_app.mouse_x, g_app.mouse_y);
redraw |= hover_changed(lo.start_btn, !g_app.daemon_running,
prev_x, prev_y, g_app.mouse_x, g_app.mouse_y);
redraw |= hover_changed(lo.refresh_btn, true,
prev_x, prev_y, g_app.mouse_x, g_app.mouse_y);
}
bool clicked = (ev.mouse.buttons & 1) && !(ev.mouse.prev_buttons & 1);
if (clicked) {
handle_click(ev.mouse.x, ev.mouse.y);
return true;
}
return redraw;
}
static void cycle_tab(int delta) {
int next = g_app.active_tab + delta;
while (next < 0) next += TAB_COUNT;
while (next >= TAB_COUNT) next -= TAB_COUNT;
g_app.active_tab = next;
}
static void handle_key(const Montauk::KeyEvent& key) {
if (!key.pressed) return;
if (g_app.config_open) {
return;
}
if (key.scancode == 0x01) {
g_win.closed = true;
return;
}
if (key.scancode == 0x0F) {
cycle_tab(key.shift ? -1 : 1);
return;
}
if (key.scancode == 0x4B) {
cycle_tab(-1);
return;
}
if (key.scancode == 0x4D) {
cycle_tab(1);
return;
}
if (key.ascii == 'r' || key.ascii == 'R') {
refresh_state(true);
set_status("Printer status refreshed");
} else if (key.ascii == 'p' || key.ascii == 'P') {
if (g_app.printer_uri[0]) probe_printer();
} else if (key.ascii == 't' || key.ascii == 'T') {
if (g_app.printer_uri[0]) {
char job_id[48] = {};
char err[128] = {};
if (submit_test_page_job(nullptr, job_id, sizeof(job_id), err, sizeof(err))) {
refresh_state(true);
set_status("Test page queued");
} else {
set_status(err[0] ? err : "Failed to queue test page");
}
}
}
}
extern "C" void _start() {
if (!fonts::init())
montauk::exit(1);
montauk::memset(&g_app, 0, sizeof(g_app));
g_app.active_tab = TAB_OVERVIEW;
g_app.mouse_x = -1;
g_app.mouse_y = -1;
g_app.config_mouse_x = -1;
g_app.config_mouse_y = -1;
load_accent();
load_icons();
refresh_state(true);
if (!g_win.create("Printers", INIT_W, INIT_H))
montauk::exit(1);
render();
while (g_win.id >= 0 && !g_win.closed) {
Montauk::WinEvent ev;
bool redraw_config = false;
bool redraw_main = false;
if (g_app.config_open && g_config.open) {
int cr = montauk::win_poll(g_config.win_id, &ev);
if (cr < 0) {
close_config_popup();
redraw_main = true;
} else if (cr > 0) {
if (ev.type == 3) {
close_config_popup();
redraw_main = true;
} else if (ev.type == 2 || ev.type == 4) {
if (ev.type == 2) {
g_config.width = ev.resize.w;
g_config.height = ev.resize.h;
g_config.pixels = (uint32_t*)(uintptr_t)montauk::win_resize(
g_config.win_id, ev.resize.w, ev.resize.h);
}
redraw_config = true;
} else if (ev.type == 0) {
if (handle_config_key(ev.key))
redraw_main = true;
if (g_app.config_open)
redraw_config = true;
} else if (ev.type == 1) {
if (handle_config_mouse(ev.mouse.x, ev.mouse.y,
ev.mouse.buttons, ev.mouse.prev_buttons))
redraw_main = true;
if (g_app.config_open)
redraw_config = true;
}
}
}
int r = g_win.poll(&ev);
if (r < 0) break;
if (r == 0) {
if (refresh_state(false))
redraw_main = true;
if (g_app.status_msg[0] && !status_visible()) {
g_app.status_msg[0] = '\0';
redraw_main = true;
}
if (redraw_main)
render();
if (redraw_config && g_app.config_open)
render_config_popup();
if (!redraw_main && !(redraw_config && g_app.config_open))
montauk::sleep_ms(16);
continue;
}
if (ev.type == 3) break;
if (ev.type == 2 || ev.type == 4) redraw_main = true;
if (ev.type == 0) {
handle_key(ev.key);
redraw_main = true;
} else if (ev.type == 1) {
redraw_main |= handle_mouse(ev);
}
if (redraw_main)
render();
if (redraw_config && g_app.config_open)
render_config_popup();
}
close_config_popup();
if (g_printer_icon.pixels) svg_free(g_printer_icon);
g_win.destroy();
montauk::exit(0);
}