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Add edit support for Notepad (#1093)

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* WIP file editing

* WIP file editing

* Add "on_pop" handler to navigation.

* WIP Editing

* WIP for draft

* Fix mock and unit tests,  support +newline at end.

* Clean up Painter API and use string_view

* Fix optional rvalue functions

* Fix Result 'take' to be more standard

* FileWrapper stack buffer reads

* Grasping at straws

* Nit

* Move set_on_pop impl to cpp

* Workaround "Open" when file not dirty.

---------

Co-authored-by: kallanreed <kallanreed@outlook.com>
This commit is contained in:
Kyle Reed 2023-06-01 15:45:55 -07:00 • committed by GitHub
parent 69011754c9
commit 8d7fdeb633
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 847 additions and 148 deletions
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29
firmware/application/apps/ui_text_editor.hpp
View file

@ -19,6 +19,10 @@
* Boston, MA 02110-1301, USA.
*/
/* TODO:
* - Busy indicator while reading files.
*/
#ifndef __UI_TEXT_EDITOR_H__
#define __UI_TEXT_EDITOR_H__
@ -66,6 +70,10 @@ class TextViewer : public Widget {
uint32_t line() const { return cursor_.line; }
uint32_t col() const { return cursor_.col; }
uint32_t offset() const;
// Gets the length of the current line.
uint16_t line_length();
private:
static constexpr int8_t char_width = 5;
@ -89,9 +97,6 @@ class TextViewer : public Widget {
void reset_file(FileWrapper* file = nullptr);
// Gets the length of the current line.
uint16_t line_length();
FileWrapper* file_{};
struct {
@ -201,6 +206,7 @@ class TextEditorView : public View {
TextEditorView(
NavigationView& nav,
const std::filesystem::path& path);
~TextEditorView();
std::string title() const override {
return "Notepad";
@ -209,15 +215,30 @@ class TextEditorView : public View {
void on_show() override;
private:
static constexpr size_t max_edit_length = 1024;
std::string edit_line_buffer_{};
void open_file(const std::filesystem::path& path);
void save_file();
void refresh_ui();
void update_position();
void hide_menu(bool hidden = true);
void show_file_picker();
void show_file_picker(bool immediate = true);
void show_edit_line();
void show_nyi();
void show_save_prompt(std::function<void()> continuation);
void prepare_for_write();
void create_temp_file() const;
void delete_temp_file() const;
void save_temp_file();
std::filesystem::path get_temp_path() const;
NavigationView& nav_;
std::unique_ptr<FileWrapper> file_{};
std::filesystem::path path_{};
bool file_dirty_{false};
bool has_temp_file_{false};
TextViewer viewer{
/* 272 = 320 - 16 (top bar) - 32 (bottom controls) */