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Fileman memory opt (#2076)

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* paginator
* fixes
* string instead of path, so saves ram.
* fix FileLoadView
* pagination list number
* pagination "size" test
* added detection of special folder name to display page numbers instead of (0 or a number of byte)
* order of things: only one directory '..', only on first page
Co-authored-by: gullradriel <gullradriel@no-mail.com>
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Totoo 2024-04-02 17:02:02 +02:00 • committed by GitHub
parent 56303eb385
commit a30875b582
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2 changed files with 147 additions and 48 deletions
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17
firmware/application/apps/ui_fileman.hpp
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@ -31,7 +31,7 @@
namespace ui {
struct fileman_entry {
std::filesystem::path path{};
std::string path{};
uint32_t size{};
bool is_directory{};
};
@ -61,8 +61,12 @@ class FileManBaseView : public View {
void push_dir(const std::filesystem::path& path);
protected:
static constexpr size_t max_filename_length = 64;
static constexpr size_t max_items_shown = 100;
uint32_t prev_highlight = 0;
uint8_t pagination = 0;
uint8_t nb_pages = 1;
static constexpr size_t max_filename_length = 20;
static constexpr size_t max_items_loaded = 75; // too memory hungry, so won't load more
static constexpr size_t items_per_page = 20;
struct file_assoc_t {
std::filesystem::path extension;
@ -87,7 +91,7 @@ class FileManBaseView : public View {
void pop_dir();
void refresh_list();
void reload_current();
void reload_current(bool reset_pagination = false);
void load_directory_contents(const std::filesystem::path& dir_path);
const file_assoc_t& get_assoc(const std::filesystem::path& ext) const;
@ -97,11 +101,14 @@ class FileManBaseView : public View {
std::function<void(KeyEvent)> on_select_entry{nullptr};
std::function<void(bool)> on_refresh_widgets{nullptr};
const std::string str_back{"<--"};
const std::string str_next{"-->"};
const std::string str_full{"Can't load more.."};
const std::filesystem::path parent_dir_path{u".."};
std::filesystem::path current_path{u""};
std::filesystem::path extension_filter{u""};
std::vector<fileman_entry> entry_list{};
std::list<fileman_entry> entry_list{};
std::vector<uint32_t> saved_index_stack{};
bool show_hidden_files{false};