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MontaukOS/programs/src/desktop/launcher.cpp
T

634 lines
22 KiB
C++

/*
* launcher.cpp
* Super + Space launcher
* Copyright (c) 2026 Daniel Hammer
*/
#include "desktop_internal.hpp"
#include <gui/mtk/theme.hpp>
static constexpr int LAUNCHER_W = 560;
static constexpr int LAUNCHER_SEARCH_H = 52;
static constexpr int LAUNCHER_ROW_H = 52;
static constexpr int LAUNCHER_EMPTY_H = 84;
static constexpr int LAUNCHER_VISIBLE_ROWS = 7;
static constexpr int LAUNCHER_TEXT_PAD = 18;
static constexpr int LAUNCHER_CURSOR_BLINK_MS = 700;
static constexpr int LAUNCHER_SPECIAL_FOLDER_COUNT = 6;
static constexpr Color LAUNCHER_BORDER = Color::from_rgb(0xD4, 0xDB, 0xE4);
static constexpr Color LAUNCHER_FIELD_BG = Color::from_rgb(0xFF, 0xFF, 0xFF);
static constexpr Color LAUNCHER_SELECTED_BG_DEFAULT = Color::from_rgb(0xDA, 0xE7, 0xFD);
static constexpr Color LAUNCHER_HOVER_BG_DEFAULT = Color::from_rgb(0xEC, 0xF3, 0xFE);
static Color launcher_selected_bg(Color accent) {
if (accent.r == colors::ACCENT.r && accent.g == colors::ACCENT.g
&& accent.b == colors::ACCENT.b)
return LAUNCHER_SELECTED_BG_DEFAULT;
return gui::mtk::mix(colors::WHITE, accent, 47);
}
static Color launcher_hover_bg(Color accent) {
if (accent.r == colors::ACCENT.r && accent.g == colors::ACCENT.g
&& accent.b == colors::ACCENT.b)
return LAUNCHER_HOVER_BG_DEFAULT;
return gui::mtk::mix(colors::WHITE, accent, 20);
}
static constexpr Color LAUNCHER_MUTED = Color::from_rgb(0x6F, 0x7B, 0x89);
static constexpr Color LAUNCHER_PLACEHOLDER = Color::from_rgb(0x98, 0xA1, 0xAD);
static const char* launcher_special_folder_names[LAUNCHER_SPECIAL_FOLDER_COUNT] = {
"Documents", "Desktop", "Music", "Videos", "Pictures", "Downloads"
};
static char fold_ascii(char c) {
return (c >= 'A' && c <= 'Z') ? (char)(c - 'A' + 'a') : c;
}
static bool launcher_super_down(const DesktopState* ds) {
return ds->super_left_down || ds->super_right_down;
}
static bool launcher_show_results(const DesktopState* ds) {
return ds->launcher_query_len > 0;
}
static int launcher_search_y(const DesktopState* ds) {
int avail_h = ds->screen_h - PANEL_HEIGHT;
int y = PANEL_HEIGHT + ((avail_h - LAUNCHER_SEARCH_H) * 2) / 10;
if (y < PANEL_HEIGHT + 8) y = PANEL_HEIGHT + 8;
if (y + LAUNCHER_SEARCH_H > ds->screen_h - 8) y = ds->screen_h - LAUNCHER_SEARCH_H - 8;
return y;
}
static int launcher_visible_rows(const DesktopState* ds) {
if (ds->launcher_result_count <= 0) return 0;
return gui_min(ds->launcher_result_count, LAUNCHER_VISIBLE_ROWS);
}
static int launcher_scroll_max(const DesktopState* ds) {
int extra = ds->launcher_result_count - LAUNCHER_VISIBLE_ROWS;
return extra > 0 ? extra : 0;
}
static Rect launcher_bounds(const DesktopState* ds) {
int w = gui_min(LAUNCHER_W, ds->screen_w - 16);
if (w < 260) w = ds->screen_w;
int result_h = launcher_show_results(ds)
? (ds->launcher_result_count > 0
? launcher_visible_rows(ds) * LAUNCHER_ROW_H
: LAUNCHER_EMPTY_H)
: 0;
int h = LAUNCHER_SEARCH_H + result_h;
int x = (ds->screen_w - w) / 2;
int y = launcher_search_y(ds);
return {x, y, w, h};
}
static Rect launcher_search_rect(const DesktopState* ds) {
Rect bounds = launcher_bounds(ds);
return {bounds.x, launcher_search_y(ds), bounds.w, LAUNCHER_SEARCH_H};
}
static Rect launcher_results_rect(const DesktopState* ds) {
Rect search = launcher_search_rect(ds);
Rect bounds = launcher_bounds(ds);
int y = search.y + search.h;
return {
bounds.x,
y,
bounds.w,
bounds.y + bounds.h - y
};
}
static int launcher_visible_result_count(const DesktopState* ds) {
if (!launcher_show_results(ds)) return 0;
int remaining = ds->launcher_result_count - ds->launcher_scroll;
if (remaining <= 0) return 0;
return gui_min(remaining, LAUNCHER_VISIBLE_ROWS);
}
static Rect launcher_row_rect(const DesktopState* ds, int visible_idx) {
Rect list = launcher_results_rect(ds);
return {list.x, list.y + visible_idx * LAUNCHER_ROW_H, list.w, LAUNCHER_ROW_H};
}
static bool launcher_contains_folded(const char* haystack, const char* needle) {
if (!needle[0]) return true;
int nlen = montauk::slen(needle);
if (nlen == 0) return true;
for (int i = 0; haystack[i]; i++) {
int j = 0;
while (j < nlen && haystack[i + j] &&
fold_ascii(haystack[i + j]) == fold_ascii(needle[j])) {
j++;
}
if (j == nlen) return true;
}
return false;
}
static void launcher_append_search_term(char* dst, int dst_max, const char* term) {
if (!term || term[0] == '\0') return;
if (dst[0] != '\0') str_append(dst, " ", dst_max);
str_append(dst, term, dst_max);
}
static void launcher_build_search_text(char* dst, int dst_max,
const char* name, const char* category,
const char* path, const char* keywords) {
dst[0] = '\0';
launcher_append_search_term(dst, dst_max, name);
launcher_append_search_term(dst, dst_max, category);
launcher_append_search_term(dst, dst_max, path);
launcher_append_search_term(dst, dst_max, keywords);
}
static bool launcher_item_matches(const LauncherItem* item, const char* query) {
if (!query[0]) return false;
return launcher_contains_folded(item->search_text, query);
}
static int launcher_compare_items(const LauncherItem* a, const LauncherItem* b) {
for (int i = 0; a->name[i] || b->name[i]; i++) {
char ca = fold_ascii(a->name[i]);
char cb = fold_ascii(b->name[i]);
if (ca != cb) return (int)((unsigned char)ca) - (int)((unsigned char)cb);
}
for (int i = 0; a->category[i] || b->category[i]; i++) {
char ca = fold_ascii(a->category[i]);
char cb = fold_ascii(b->category[i]);
if (ca != cb) return (int)((unsigned char)ca) - (int)((unsigned char)cb);
}
return 0;
}
static void launcher_add_item(DesktopState* ds, LauncherItemKind kind,
const char* name, const char* category,
SvgIcon* icon, int ref_index,
const char* path = nullptr,
const char* keywords = nullptr) {
if (ds->launcher_item_count >= MAX_LAUNCHER_ITEMS) return;
LauncherItem* item = &ds->launcher_items[ds->launcher_item_count++];
montauk::memset(item, 0, sizeof(LauncherItem));
montauk::strncpy(item->name, name ? name : "", sizeof(item->name));
montauk::strncpy(item->category, category ? category : "", sizeof(item->category));
if (path) montauk::strncpy(item->path, path, sizeof(item->path));
launcher_build_search_text(item->search_text, sizeof(item->search_text),
item->name, item->category, item->path, keywords);
item->icon = icon ? icon : &ds->icon_exec;
item->kind = kind;
item->ref_index = ref_index;
}
static void desktop_launch_external_app(DesktopState* ds, const ExternalApp* app) {
if (!app) return;
if (app->launch_with_home) {
montauk::spawn(app->binary_path, ds->home_dir);
} else {
montauk::spawn(app->binary_path);
}
}
static void desktop_build_launcher_items(DesktopState* ds) {
ds->launcher_item_count = 0;
ensure_filemanager_icons_loaded(ds);
launcher_add_item(ds, LAUNCHER_ITEM_BUILTIN_FILES,
"Files", "Built-in App",
&ds->icon_filemanager, -1, nullptr,
"file manager browser");
for (int i = 0; i < ds->external_app_count; i++) {
ExternalApp* app = &ds->external_apps[i];
SvgIcon* icon = app->icon.pixels ? &app->icon : &ds->icon_exec;
launcher_add_item(ds, LAUNCHER_ITEM_EXTERNAL_APP,
app->name, app->category,
icon, i, nullptr, nullptr);
}
launcher_add_item(ds, LAUNCHER_ITEM_COMMAND_REBOOT,
"Reboot", "Command",
&ds->icon_reboot, -1, nullptr,
"restart reboot power");
launcher_add_item(ds, LAUNCHER_ITEM_COMMAND_SHUTDOWN,
"Shutdown", "Command",
&ds->icon_shutdown, -1, nullptr,
"power off halt shutdown");
if (ds->home_dir[0] != '\0') {
for (int sf = 0; sf < LAUNCHER_SPECIAL_FOLDER_COUNT; sf++) {
char folder_path[128];
montauk::strcpy(folder_path, ds->home_dir);
int plen = montauk::slen(folder_path);
if (plen > 0 && folder_path[plen - 1] != '/')
str_append(folder_path, "/", sizeof(folder_path));
str_append(folder_path, launcher_special_folder_names[sf], sizeof(folder_path));
int probe_fd = montauk::open(folder_path);
if (probe_fd < 0) continue;
montauk::close(probe_fd);
SvgIcon* icon = ds->icon_special_folder[sf].pixels
? &ds->icon_special_folder[sf]
: &ds->icon_folder;
launcher_add_item(ds, LAUNCHER_ITEM_SPECIAL_FOLDER,
launcher_special_folder_names[sf], "Folder",
icon, sf, folder_path, "user folder");
}
}
}
static void desktop_update_launcher_results(DesktopState* ds) {
int selected_item = -1;
if (ds->launcher_selected >= 0 && ds->launcher_selected < ds->launcher_result_count) {
selected_item = ds->launcher_results[ds->launcher_selected];
}
ds->launcher_result_count = 0;
if (ds->launcher_query[0] == '\0') {
ds->launcher_selected = -1;
ds->launcher_scroll = 0;
return;
}
for (int i = 0; i < ds->launcher_item_count; i++) {
if (!launcher_item_matches(&ds->launcher_items[i], ds->launcher_query)) continue;
ds->launcher_results[ds->launcher_result_count++] = i;
}
for (int i = 1; i < ds->launcher_result_count; i++) {
int item_idx = ds->launcher_results[i];
int j = i - 1;
while (j >= 0 &&
launcher_compare_items(&ds->launcher_items[item_idx],
&ds->launcher_items[ds->launcher_results[j]]) < 0) {
ds->launcher_results[j + 1] = ds->launcher_results[j];
j--;
}
ds->launcher_results[j + 1] = item_idx;
}
if (ds->launcher_result_count <= 0) {
ds->launcher_selected = -1;
ds->launcher_scroll = 0;
return;
}
int selected = 0;
if (selected_item >= 0) {
for (int i = 0; i < ds->launcher_result_count; i++) {
if (ds->launcher_results[i] == selected_item) {
selected = i;
break;
}
}
}
ds->launcher_selected = gui_clamp(selected, 0, ds->launcher_result_count - 1);
int max_scroll = launcher_scroll_max(ds);
if (ds->launcher_scroll > max_scroll) ds->launcher_scroll = max_scroll;
if (ds->launcher_selected < ds->launcher_scroll) {
ds->launcher_scroll = ds->launcher_selected;
}
if (ds->launcher_selected >= ds->launcher_scroll + LAUNCHER_VISIBLE_ROWS) {
ds->launcher_scroll = ds->launcher_selected - LAUNCHER_VISIBLE_ROWS + 1;
}
}
static void desktop_move_launcher_selection(DesktopState* ds, int delta) {
if (ds->launcher_result_count <= 0) return;
if (ds->launcher_selected < 0) {
ds->launcher_selected = 0;
} else {
ds->launcher_selected = gui_clamp(ds->launcher_selected + delta, 0, ds->launcher_result_count - 1);
}
if (ds->launcher_selected < ds->launcher_scroll) {
ds->launcher_scroll = ds->launcher_selected;
} else if (ds->launcher_selected >= ds->launcher_scroll + LAUNCHER_VISIBLE_ROWS) {
ds->launcher_scroll = ds->launcher_selected - LAUNCHER_VISIBLE_ROWS + 1;
}
}
static void launcher_activate_selected(DesktopState* ds) {
if (ds->launcher_selected < 0 || ds->launcher_selected >= ds->launcher_result_count) return;
int item_idx = ds->launcher_results[ds->launcher_selected];
if (item_idx < 0 || item_idx >= ds->launcher_item_count) return;
LauncherItem* item = &ds->launcher_items[item_idx];
switch (item->kind) {
case LAUNCHER_ITEM_EXTERNAL_APP:
if (item->ref_index >= 0 && item->ref_index < ds->external_app_count) {
desktop_launch_external_app(ds, &ds->external_apps[item->ref_index]);
}
break;
case LAUNCHER_ITEM_BUILTIN_FILES:
open_filemanager(ds);
break;
case LAUNCHER_ITEM_COMMAND_REBOOT:
desktop_close_launcher(ds);
desktop_request_power(montauk::abi::POWER_REQ_REBOOT);
return;
case LAUNCHER_ITEM_COMMAND_SHUTDOWN:
desktop_close_launcher(ds);
desktop_request_power(montauk::abi::POWER_REQ_SHUTDOWN);
return;
case LAUNCHER_ITEM_SPECIAL_FOLDER:
if (item->path[0] != '\0') {
open_filemanager_path(ds, item->path);
}
break;
}
desktop_close_launcher(ds);
}
static void launcher_update_super_state(DesktopState* ds, const montauk::abi::KeyEvent& key) {
uint8_t sc = key.scancode & 0x7F;
if (sc == 0x5B) {
ds->super_left_down = key.pressed;
} else if (sc == 0x5C) {
ds->super_right_down = key.pressed;
}
}
static const char* fit_trailing_text(const char* text, int max_w) {
const char* visible = text;
while (*visible && text_width(visible) > max_w) visible++;
return visible;
}
static void draw_rounded_panel(Framebuffer& fb, int x, int y, int w, int h,
int radius, Color border, Color bg) {
fill_rounded_rect(fb, x, y, w, h, radius, border);
if (w > 2 && h > 2) {
int inner_radius = radius > 0 ? radius - 1 : 0;
fill_rounded_rect(fb, x + 1, y + 1, w - 2, h - 2, inner_radius, bg);
}
}
void desktop_init_launcher(DesktopState* ds) {
ds->launcher_open = false;
ds->launcher_query[0] = '\0';
ds->launcher_query_len = 0;
ds->launcher_item_count = 0;
ds->launcher_result_count = 0;
ds->launcher_selected = -1;
ds->launcher_scroll = 0;
ds->super_left_down = false;
ds->super_right_down = false;
}
void desktop_open_launcher(DesktopState* ds) {
desktop_build_launcher_items(ds);
ds->launcher_open = true;
ds->launcher_query[0] = '\0';
ds->launcher_query_len = 0;
ds->launcher_selected = -1;
ds->launcher_scroll = 0;
ds->app_menu_open = false;
ds->ctx_menu_open = false;
ds->net_popup_open = false;
ds->vol_popup_open = false;
ds->vol_dragging = false;
desktop_update_launcher_results(ds);
}
void desktop_close_launcher(DesktopState* ds) {
ds->launcher_open = false;
ds->launcher_scroll = 0;
}
bool desktop_handle_launcher_keyboard(DesktopState* ds, const montauk::abi::KeyEvent& key) {
launcher_update_super_state(ds, key);
uint8_t sc = key.scancode & 0x7F;
if (sc == 0x5B || sc == 0x5C) {
return true;
}
if (ds->screen_locked) {
return false;
}
if (key.pressed && sc == 0x39 && launcher_super_down(ds)) {
if (ds->launcher_open) {
desktop_close_launcher(ds);
} else {
desktop_open_launcher(ds);
}
return true;
}
if (!ds->launcher_open) {
return false;
}
if (!key.pressed) return true;
if (key.ascii == '\n' || key.ascii == '\r' || sc == 0x1C) {
launcher_activate_selected(ds);
return true;
}
if (sc == 0x01) {
desktop_close_launcher(ds);
return true;
}
if (key.ascii == '\b' || sc == 0x0E) {
if (ds->launcher_query_len > 0) {
ds->launcher_query_len--;
ds->launcher_query[ds->launcher_query_len] = '\0';
desktop_update_launcher_results(ds);
}
return true;
}
if (sc == 0x48) {
desktop_move_launcher_selection(ds, -1);
return true;
}
if (sc == 0x50) {
desktop_move_launcher_selection(ds, 1);
return true;
}
if (sc == 0x49) {
desktop_move_launcher_selection(ds, -LAUNCHER_VISIBLE_ROWS);
return true;
}
if (sc == 0x51) {
desktop_move_launcher_selection(ds, LAUNCHER_VISIBLE_ROWS);
return true;
}
if (sc == 0x47) {
if (ds->launcher_result_count > 0) {
ds->launcher_selected = 0;
ds->launcher_scroll = 0;
}
return true;
}
if (sc == 0x4F) {
if (ds->launcher_result_count > 0) {
ds->launcher_selected = ds->launcher_result_count - 1;
ds->launcher_scroll = launcher_scroll_max(ds);
}
return true;
}
if (key.ascii >= 0x20 && key.ascii < 0x7F && ds->launcher_query_len < 63) {
ds->launcher_query[ds->launcher_query_len++] = key.ascii;
ds->launcher_query[ds->launcher_query_len] = '\0';
desktop_update_launcher_results(ds);
}
return true;
}
void desktop_handle_launcher_mouse(DesktopState* ds) {
int mx = ds->mouse.x;
int my = ds->mouse.y;
uint8_t buttons = ds->mouse.buttons;
uint8_t prev = ds->prev_buttons;
bool left_pressed = (buttons & 0x01) && !(prev & 0x01);
bool right_pressed = (buttons & 0x02) && !(prev & 0x02);
Rect bounds = launcher_bounds(ds);
if (right_pressed) {
desktop_close_launcher(ds);
return;
}
if (!bounds.contains(mx, my)) {
if (left_pressed) {
desktop_close_launcher(ds);
}
return;
}
int visible = launcher_visible_result_count(ds);
for (int i = 0; i < visible; i++) {
Rect row = launcher_row_rect(ds, i);
if (!row.contains(mx, my)) continue;
ds->launcher_selected = ds->launcher_scroll + i;
if (left_pressed) {
launcher_activate_selected(ds);
}
return;
}
}
void desktop_draw_launcher(DesktopState* ds) {
Framebuffer& fb = ds->fb;
int sfh = system_font_height();
bool show_results = launcher_show_results(ds);
bool cursor_on = ((montauk::get_milliseconds() / LAUNCHER_CURSOR_BLINK_MS) & 1) == 0;
Rect bounds = launcher_bounds(ds);
Rect search = launcher_search_rect(ds);
Rect list = launcher_results_rect(ds);
draw_rounded_panel(fb, bounds.x, bounds.y, bounds.w, bounds.h, 16, LAUNCHER_BORDER, LAUNCHER_FIELD_BG);
int count_w = 0;
int count_x = search.x + search.w - LAUNCHER_TEXT_PAD;
if (show_results) {
char count_str[32];
snprintf(count_str, sizeof(count_str), "%d result%s",
ds->launcher_result_count,
ds->launcher_result_count == 1 ? "" : "s");
count_w = text_width(count_str);
count_x -= count_w;
draw_text(fb, count_x, search.y + (search.h - sfh) / 2, count_str, LAUNCHER_MUTED);
}
int query_x = search.x + LAUNCHER_TEXT_PAD;
int query_y = search.y + (search.h - sfh) / 2;
int query_max_w = search.w - LAUNCHER_TEXT_PAD * 2 - (show_results ? (count_w + 12) : 0);
if (query_max_w < 0) query_max_w = 0;
if (ds->launcher_query_len > 0) {
const char* visible = fit_trailing_text(ds->launcher_query, query_max_w);
draw_text(fb, query_x, query_y, visible, colors::TEXT_COLOR);
if (cursor_on) {
int cx = query_x + text_width(visible);
fb.fill_rect(cx + 1, query_y, 2, sfh, ds->settings.accent_color);
}
} else {
if (cursor_on) {
fb.fill_rect(query_x + 1, query_y, 2, sfh, ds->settings.accent_color);
}
draw_text(fb, query_x + 8, query_y, "Search apps, folders, and commands", LAUNCHER_PLACEHOLDER);
}
if (show_results) {
fb.fill_rect(bounds.x + 2, search.y + search.h - 2, bounds.w - 4, 2, ds->settings.accent_color);
}
if (!show_results) {
return;
}
if (ds->launcher_result_count <= 0) {
const char* empty = "No matching results";
const char* hint = "Try a different name, folder, or command";
int empty_w = text_width(empty);
int hint_w = text_width(hint);
int cy = list.y + (list.h - sfh * 2 - 8) / 2;
draw_text(fb, list.x + (list.w - empty_w) / 2, cy, empty, colors::TEXT_COLOR);
draw_text(fb, list.x + (list.w - hint_w) / 2, cy + sfh + 8, hint, LAUNCHER_MUTED);
return;
}
int visible = launcher_visible_result_count(ds);
for (int i = 0; i < visible; i++) {
int result_idx = ds->launcher_scroll + i;
if (result_idx < 0 || result_idx >= ds->launcher_result_count) continue;
Rect row = launcher_row_rect(ds, i);
int item_idx = ds->launcher_results[result_idx];
if (item_idx < 0 || item_idx >= ds->launcher_item_count) continue;
LauncherItem* item = &ds->launcher_items[item_idx];
bool selected = (result_idx == ds->launcher_selected);
bool hovered = row.contains(ds->mouse.x, ds->mouse.y);
if (selected) {
fill_rounded_rect(fb, row.x, row.y, row.w, row.h, 8, launcher_selected_bg(ds->settings.accent_color));
} else if (hovered) {
fill_rounded_rect(fb, row.x, row.y, row.w, row.h, 8, launcher_hover_bg(ds->settings.accent_color));
}
if (i > 0) {
fb.fill_rect(row.x + 8, row.y, row.w - 16, 1, Color::from_rgb(0xE3, 0xE8, 0xEF));
}
SvgIcon* icon = item->icon ? item->icon : &ds->icon_exec;
if (icon && icon->pixels) {
int ix = row.x + 12;
int iy = row.y + (row.h - icon->height) / 2;
fb.blit_alpha(ix, iy, icon->width, icon->height, icon->pixels);
}
int text_x = row.x + 46;
int name_y = row.y + 9;
int cat_y = row.y + 27;
draw_text(fb, text_x, name_y, item->name, colors::TEXT_COLOR);
draw_text(fb, text_x, cat_y, item->category, LAUNCHER_MUTED);
}
}
uint64_t desktop_launcher_blink_token(const DesktopState* ds, uint64_t now) {
return ds->launcher_open ? (now / LAUNCHER_CURSOR_BLINK_MS) : ~0ull;
}