Fileman icon toolbar (#975)

* Add cut/copy/paste menu with icons
* Add icons, file limit to fileman

firmware/application/apps/ui_fileman.cpp

@@ -22,7 +22,6 @@
 
 /* TODO:
  * - Paging menu items
- * - Copy/Move
  */
 
 #include <algorithm>
@@ -146,6 +145,22 @@ bool partner_file_prompt(
 	return true;
 }
 
+fs::path get_unique_filename(const fs::path& path, const fs::path& file) {
+	auto stem = file.stem();
+	auto ext = file.extension();
+	auto serial = 1;
+	fs::path new_path = file;
+
+	while (fs::file_exists(path / new_path)) {
+		new_path = stem;
+		new_path += fs::path{ u"_" };
+		new_path += to_string_dec_int(serial++);
+		new_path += ext;
+	}
+
+	return new_path;
+}
+
 }
 
 namespace ui {
@@ -198,6 +213,7 @@ FileManBaseView::FileManBaseView(
 	add_children({
 		&labels,
 		&text_current,
+		&text_info,
 		&button_exit
 	});
 
@@ -287,8 +303,13 @@ void FileManBaseView::refresh_list() {
 				}
 			});
 		}
+
+		// HACK: Should page menu items instead of limiting the number. 
+		if (menu_view.item_count() >= max_items_shown)
+			break;
 	}
-	
+
+	text_info.set(menu_view.item_count() >= max_items_shown ? "Too many files!" : "");
 	menu_view.set_highlighted(prev_highlight);
 }
 
@@ -465,26 +486,30 @@ void FileManagerView::on_new_dir() {
 	});
 }
 
+void FileManagerView::on_new_file() {
+	name_buffer = "";
+	text_prompt(nav_, name_buffer, max_filename_length, [this](std::string& file_name) {
+		make_new_file(current_path / file_name);
+		reload_current();
+	});
+}
+
 void FileManagerView::on_paste() {
-	auto stem = copy_path.stem();
-	auto ext = copy_path.extension();
-	auto serial = 1;
-	fs::path new_path = copy_path.filename();
-
-	// Create a unique name.
-	while (fs::file_exists(current_path / new_path)) {
-		new_path = stem;
-		new_path += fs::path{ u"_" };
-		new_path += to_string_dec_int(serial++);
-		new_path += ext;
-	}
-
 	// TODO: handle partner file. Need to fix nav stack first.
-	auto result = copy_file(copy_path, current_path / new_path);
+	auto new_name = get_unique_filename(current_path, clipboard_path.filename());
+	fs::filesystem_error result;
+
+	if (clipboard_mode == ClipboardMode::Cut)
+		result = rename_file(clipboard_path, current_path / new_name);
+
+	else if (clipboard_mode == ClipboardMode::Copy)
+		result = copy_file(clipboard_path, current_path / new_name);
+
 	if (result.code() != FR_OK)
 		nav_.display_modal("Paste Failed", result.what());
 	
-	copy_path = fs::path{ };
+	clipboard_path = fs::path{ };
+	clipboard_mode = ClipboardMode::None;
 	menu_view.focus();
 	reload_current();
 }
@@ -497,9 +522,12 @@ bool FileManagerView::selected_is_valid() const {
 void FileManagerView::refresh_widgets(const bool v) {
 	button_rename.hidden(v);
 	button_delete.hidden(v);
-	button_new_dir.hidden(v);
+	button_cut.hidden(v);
 	button_copy.hidden(v);
 	button_paste.hidden(v);
+	button_new_dir.hidden(v);
+	button_new_file.hidden(v);
+
 	set_dirty();
 }
 
@@ -521,13 +549,14 @@ FileManagerView::FileManagerView(
 		&text_date,
 		&button_rename,
 		&button_delete,
-		&button_new_dir,
+		&button_cut,
 		&button_copy,
-		&button_paste
+		&button_paste,
+		&button_new_dir,
+		&button_new_file
 	});
 	
 	menu_view.on_highlight = [this]() {
-	// TODO: enable/disable buttons.
 	if (selected_is_valid())
 		text_date.set(to_string_FAT_timestamp(file_created_date(get_selected_full_path())));
 	else
@@ -544,32 +573,45 @@ FileManagerView::FileManagerView(
 		}
 	};
 	
-	button_rename.on_select = [this](Button&) {
+	button_rename.on_select = [this]() {
 		if (selected_is_valid())
 			on_rename();
 	};
 
-	button_delete.on_select = [this](Button&) {
+	button_delete.on_select = [this]() {
 		if (selected_is_valid())
 			on_delete();
 	};
 
-	button_new_dir.on_select = [this](Button&) {
-		on_new_dir();
+	button_cut.on_select = [this]() {
+		if (selected_is_valid() && !get_selected_entry().is_directory) {
+			clipboard_path = get_selected_full_path();
+			clipboard_mode = ClipboardMode::Cut;
+		} else
+			nav_.display_modal("Cut", "Can't cut that.");
 	};
 
-	button_copy.on_select = [this](Button&) {
-		if (selected_is_valid() && !get_selected_entry().is_directory)
-			copy_path = get_selected_full_path();
-		else
+	button_copy.on_select = [this]() {
+		if (selected_is_valid() && !get_selected_entry().is_directory) {
+			clipboard_path = get_selected_full_path();
+			clipboard_mode = ClipboardMode::Copy;
+		} else
 			nav_.display_modal("Copy", "Can't copy that.");
 	};
 
-	button_paste.on_select = [this](Button&) {
-		if (!copy_path.empty())
+	button_paste.on_select = [this]() {
+		if (clipboard_mode != ClipboardMode::None)
 			on_paste();
 		else
-			nav_.display_modal("Paste", "Copy a file first.");
+			nav_.display_modal("Paste", "Cut or copy a file first.");
+	};
+
+	button_new_dir.on_select = [this]() {
+		on_new_dir();
+	};
+
+	button_new_file.on_select = [this]() {
+		on_new_file();
 	};
 }