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Add a TestField widget that supports a cursor.

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This commit is contained in:
Kyle Reed 2023-04-28 19:26:53 -07:00
parent 5c4e27ea29
commit 4b37f1bb2f
6 changed files with 218 additions and 80 deletions
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59
firmware/application/ui/ui_textentry.hpp
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@ -28,6 +28,54 @@
namespace ui {
// A TextField is bound to a string reference and allows the string
// to be manipulated. The field itself does not provide the UI for
// setting the value. It provides the UI of rendering the text,
// a cursor, and an API to edit the string content.
class TextField : public Widget {
public:
TextField(std::string& str, Point position, uint32_t length = 30)
: TextField{str, 64, position, length} { }
// Str: the string containing the content to edit.
// Max_length: max length the string is allowed to use.
// Position: the top-left corner of the control.
// Length: the number of characters to display.
// - Characters are 8 pixels wide.
// - The screen can show 30 characters max.
// - The control is 16 pixels tall.
TextField(std::string& str, size_t max_length, Point position, uint32_t length = 30);
TextField(const TextField&) = delete;
TextField(TextField&&) = delete;
TextField& operator=(const TextField&) = delete;
TextField& operator=(TextField&&) = delete;
const std::string& value() const;
void set(const std::string& str);
void set_cursor(uint32_t pos);
void set_max_length(size_t max_length);
void set_insert_mode();
void set_overwrite_mode();
void char_add(char c);
void char_delete();
void paint(Painter& painter) override;
bool on_key(const KeyEvent key) override;
bool on_encoder(const EncoderEvent delta) override;
bool on_touch(const TouchEvent event) override;
protected:
std::string& text_;
size_t max_length_;
uint32_t char_count_;
uint32_t cursor_pos_;
bool insert_mode_;
};
class TextEntryView : public View {
public:
std::function<void(std::string&)> on_changed { };
@ -45,17 +93,8 @@ protected:
void char_add(const char c);
void char_delete();
void draw_cursor();
void update_text();
std::string& _str;
size_t _max_length;
uint32_t cursor_pos { 0 };
Text text_input {
{ 0, 0, 240, 16 }
};
TextField text_input;
Button button_ok {
{ 10 * 8, 33 * 8, 9 * 8, 32 },
"OK"