Modified Text Editor to handle long presses. (#2698)

firmware/application/apps/ble_tx_app.cpp

@@ -319,7 +319,8 @@ void BLETxView::on_tx_progress(const bool done) {
 
 BLETxView::BLETxView(NavigationView& nav)
     : nav_{nav} {
-    add_children({&button_open,
+    add_children({&dataEditView,
+                  &button_open,
                   &text_filename,
                   &progressbar,
                   &check_rand_mac,
@@ -340,7 +341,6 @@ BLETxView::BLETxView(NavigationView& nav)
                   &label_mac_address,
                   &text_mac_address,
                   &label_data_packet,
-                  &dataEditView,
                   &button_clear_marked,
                   &button_save_packet,
                   &button_switch});
@@ -430,6 +430,23 @@ BLETxView::BLETxView(NavigationView& nav)
         }
     };
 
+    dataEditView.on_change = [this](uint8_t value) {
+        // Reject setting newline at index 29.
+        if (cursor_pos.col != 29) {
+            uint16_t dataBytePos = (cursor_pos.line * 29) + cursor_pos.col;
+
+            packets[current_packet].advertisementData[dataBytePos] = uint_to_char(value, 16);
+
+            update_current_packet(packets[current_packet], current_packet);
+        }
+    };
+
+    dataEditView.on_cursor_moved = [this]() {
+        // Save last selected cursor.
+        cursor_pos.line = dataEditView.line();
+        cursor_pos.col = dataEditView.col();
+    };
+
     button_clear_marked.on_select = [this](Button&) {
         marked_counter = 0;
         markedBytes.clear();
@@ -531,7 +548,6 @@ void BLETxView::update_current_packet(BLETxPacket packet, uint32_t currentIndex)
     for (const std::string& str : strings) {
         dataFile.write(str.c_str(), str.size());
         dataFile.write("\n", 1);
-        ;
     }
 
     dataFile.~File();
@@ -546,6 +562,7 @@ void BLETxView::update_current_packet(BLETxPacket packet, uint32_t currentIndex)
     dataEditView.set_font_zoom(true);
     dataEditView.set_file(*dataFileWrapper);
     dataEditView.redraw(true, true);
+    dataEditView.cursor_set(cursor_pos.line, cursor_pos.col);
 }
 
 void BLETxView::set_parent_rect(const Rect new_parent_rect) {

firmware/application/apps/ble_tx_app.hpp

@@ -287,9 +287,6 @@ class BLETxView : public View {
     Labels label_data_packet{
         {{0 * 8, 9 * 16}, "Packet Data:", Theme::getInstance()->fg_light->foreground}};
 
-    Console console{
-        {0, 9 * 18, screen_width, screen_height - 80}};
-
     TextViewer dataEditView{
         {0, 9 * 18, screen_width, screen_height - 80}};
 

firmware/application/apps/ui_text_editor.cpp

@@ -26,6 +26,7 @@
 
 #include "log_file.hpp"
 #include "string_format.hpp"
+#include "irq_controls.hpp"
 
 using namespace portapack;
 namespace fs = std::filesystem;
@@ -81,22 +82,76 @@ void TextViewer::paint(Painter& painter) {
     paint_cursor(painter);
 }
 
+void TextViewer::enable_long_press() {
+    // Enable long press on "Select".
+    SwitchesState config;
+    config[toUType(Switch::Sel)] = true;
+    set_switches_long_press_config(config);
+}
+
+void TextViewer::on_focus() {
+    enable_long_press();
+}
+
 bool TextViewer::on_key(const KeyEvent key) {
     int16_t delta_col = 0;
     int16_t delta_line = 0;
 
-    if (key == KeyEvent::Left)
+    if (key == KeyEvent::Select) {
+        // Toggle 'digit' mode with long-press.
+        if (digit_mode_ || key_is_long_pressed(key)) {
+            digit_mode_ = !digit_mode_;
+            set_dirty();
+            return true;
+        }
+    }
+
+    if (digit_mode_) {
+        switch (key) {
+            case KeyEvent::Left:
                 delta_col = -1;
-    else if (key == KeyEvent::Right)
+                break;
+            case KeyEvent::Right:
                 delta_col = 1;
-    else if (key == KeyEvent::Up)
+                break;
+            case KeyEvent::Up:
+                set_value(value_ == 0x0F ? 0x00 : value_ + 1);
+                break;
+            case KeyEvent::Down:
+                set_value(value_ == 0x00 ? 0x0F : value_ - 1);
+                break;
+            default:
+                return false;
+        }
+
+        if (delta_col == 0 && delta_line == 0) {
+            return true;
+        }
+    } else {
+        switch (key) {
+            case KeyEvent::Left:
+                delta_col = -1;
+                break;
+            case KeyEvent::Right:
+                delta_col = 1;
+                break;
+            case KeyEvent::Up:
                 delta_line = -1;
-    else if (key == KeyEvent::Down)
+                break;
+            case KeyEvent::Down:
                 delta_line = 1;
-    else if (key == KeyEvent::Select && on_select) {
+                break;
+            case KeyEvent::Select: {
+                if (on_select) {
                     on_select();
                     return true;
                 }
+                break;
+            }
+            default:
+                return false;
+        }
+    }
 
     // Always allow cursor direction to be updated.
     cursor_.dir = delta_col != 0 ? ScrollDirection::Horizontal : ScrollDirection::Vertical;
@@ -111,19 +166,42 @@ bool TextViewer::on_key(const KeyEvent key) {
 bool TextViewer::on_encoder(EncoderEvent delta) {
     bool updated = false;
 
-    if (cursor_.dir == ScrollDirection::Horizontal)
+    if (digit_mode_) {
+        if (delta > 0) {
+            set_value(value_ == 0x0F ? 0x00 : value_ + 1);
+        } else if (delta < 0) {
+            set_value(value_ == 0x00 ? 0x0F : value_ - 1);
+        }
+
+        updated = true;
+    } else {
+        if (cursor_.dir == ScrollDirection::Horizontal) {
             updated = apply_scrolling_constraints(0, delta);
-    else {
+        } else {
             delta *= 16;
             updated = apply_scrolling_constraints(delta, 0);
         }
 
-    if (updated)
+        if (updated) {
             redraw();
+        }
+    }
 
     return updated;
 }
 
+void TextViewer::set_value(uint8_t new_value) {
+    if (new_value != value_) {
+        value_ = new_value;
+
+        if (on_change) {
+            on_change(value_);
+        }
+
+        set_dirty();
+    }
+}
+
 void TextViewer::redraw(bool redraw_text, bool redraw_marked) {
     paint_state_.redraw_text = redraw_text;
     paint_state_.redraw_marked = redraw_marked;

firmware/application/apps/ui_text_editor.hpp

@@ -54,10 +54,13 @@ class TextViewer : public Widget {
 
     std::function<void()> on_select{};
     std::function<void()> on_cursor_moved{};
+    std::function<void(uint8_t)> on_change{};
 
     void paint(Painter& painter) override;
     bool on_key(KeyEvent key) override;
     bool on_encoder(EncoderEvent delta) override;
+    void set_value(uint8_t new_value);
+    void on_focus() override;
 
     void redraw(bool redraw_text = false, bool redraw_marked = false);
 
@@ -74,6 +77,7 @@ class TextViewer : public Widget {
     void cursor_set(uint16_t line, uint16_t col);
     void cursor_mark_selected();
     void cursor_clear_marked();
+    void enable_long_press();
 
     typedef std::pair<uint16_t, uint16_t> LineColPair;
     std::vector<LineColPair> lineColPair{};
@@ -95,6 +99,9 @@ class TextViewer : public Widget {
     int8_t char_height{};
     uint8_t max_line{};
     uint8_t max_col{};
+    bool digit_mode_{false};
+    uint8_t value_{0};
+    bool allow_digit_mode_{true};
 
     /* Returns true if the cursor was updated. */
     bool apply_scrolling_constraints(