added ButtonMatrix

radio/src/thirdparty/libopenui/src/CMakeLists.txt

@@ -17,6 +17,7 @@ set(LIBOPENUI_SRC
   layer.cpp
   form.cpp
   button.cpp
+  button_matrix.cpp
   static.cpp
   checkbox.cpp
   carousel.cpp

radio/src/thirdparty/libopenui/src/button_matrix.cpp

@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) EdgeTX
+ *
+ * Source:
+ *  https://github.com/EdgeTX/libopenui
+ *
+ * This file is a part of libopenui library.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ */
+
+#include "button_matrix.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+static const char _filler[] = "0";
+static const char _newline[] = "\n";
+static const char _map_end[] = "";
+
+static void btn_matrix_event(lv_event_t *e)
+{
+  static lv_area_t draw_area;
+
+  lv_event_code_t code = lv_event_get_code(e);
+
+  if (code == LV_EVENT_VALUE_CHANGED) {
+    auto btn_id = (uint32_t *)lv_event_get_param(e);
+    auto btnm = (ButtonMatrix*)lv_event_get_user_data(e);
+
+    btnm->onPress((uint8_t)*btn_id);
+  }
+  else if (code == LV_EVENT_DRAW_PART_BEGIN) {
+
+    lv_obj_draw_part_dsc_t* dsc = lv_event_get_draw_part_dsc(e);
+    if (dsc->part != LV_PART_ITEMS) return;
+
+    auto btnm = (ButtonMatrix*)lv_event_get_user_data(e);
+    if (btnm->isActive((uint8_t)dsc->id)) {
+      dsc->rect_dsc->bg_color = makeLvColor(COLOR_THEME_ACTIVE);
+      dsc->label_dsc->color = makeLvColor(COLOR_THEME_PRIMARY2);
+    } else {
+      dsc->rect_dsc->bg_color = makeLvColor(COLOR_THEME_PRIMARY2);
+      dsc->label_dsc->color = makeLvColor(COLOR_THEME_SECONDARY1);
+    }
+
+    // backup draw area as it gets modified for the label
+    lv_area_copy(&draw_area, dsc->draw_area);
+  }
+}
+
+ButtonMatrix::ButtonMatrix(Window* parent, const rect_t& r) :
+  FormField(parent, r, 0, 0, lv_btnmatrix_create)
+{
+  lv_obj_add_event_cb(lvobj, btn_matrix_event, LV_EVENT_ALL, this);
+}
+
+ButtonMatrix::~ButtonMatrix()
+{
+  deallocate();
+}
+
+void ButtonMatrix::deallocate()
+{
+  if (txt_cnt == 0) return;
+
+  for (uint8_t i = 0; i < txt_cnt; i++) {
+    char* txt = lv_btnm_map[i];
+    if (txt != _filler && txt != _newline && txt != _map_end) free(txt);
+  }
+
+  free(lv_btnm_map);
+  free(txt_index);
+
+  txt_cnt = 0;
+  btn_cnt = 0;
+}
+
+void ButtonMatrix::initBtnMap(uint8_t cols, uint8_t btns)
+{
+  deallocate();
+
+  uint8_t rows = ((btns - 1) / 4) + 1;
+  txt_cnt = btns + rows;
+  btn_cnt = btns;
+
+  lv_btnm_map = (char**)malloc(sizeof(char*) * txt_cnt);
+  txt_index = (uint8_t*)malloc(sizeof(uint8_t) * btns);
+
+  uint8_t col = 0;
+  uint8_t btn = 0;
+  uint8_t txt_i = 0;
+
+  while (btn < btns) {
+    
+    if (col == cols) {
+      lv_btnm_map[txt_i++] = (char*)_newline;
+      col = 0;
+    }
+    
+    txt_index[btn] = txt_i;
+    lv_btnm_map[txt_i++] = (char*)_filler;
+    btn++;
+    col++;
+  }
+  lv_btnm_map[txt_i++] = (char*)_map_end;
+}
+
+void ButtonMatrix::setText(uint8_t btn_id, const char* txt)
+{
+  if (btn_id >= btn_cnt) return;
+
+  uint8_t txt_i = txt_index[btn_id];
+  lv_btnm_map[txt_i] = strdup(txt);
+}
+
+void ButtonMatrix::update()
+{
+  lv_btnmatrix_set_map(lvobj, (const char**)lv_btnm_map);
+
+  lv_btnmatrix_ctrl_t ctrl = LV_BTNMATRIX_CTRL_CLICK_TRIG |
+                             LV_BTNMATRIX_CTRL_NO_REPEAT;
+
+  lv_btnmatrix_set_btn_ctrl_all(lvobj, ctrl);
+}
+
+void ButtonMatrix::onEvent(event_t event) {}
+void ButtonMatrix::setFocus(uint8_t flag, Window* from) {}

radio/src/thirdparty/libopenui/src/button_matrix.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) EdgeTX
+ *
+ * Source:
+ *  https://github.com/EdgeTX/libopenui
+ *
+ * This file is a part of libopenui library.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ */
+
+#pragma once
+
+#include "form.h"
+
+class ButtonMatrix : public FormField
+{
+  char** lv_btnm_map = nullptr;
+  uint8_t* txt_index = nullptr;
+  uint8_t txt_cnt = 0;
+  uint8_t btn_cnt = 0;
+
+ public:
+  ButtonMatrix(Window* parent, const rect_t& rect);
+  ~ButtonMatrix();
+    
+  virtual void onPress(uint8_t btn_id) {}
+  virtual bool isActive(uint8_t btn_id) { return false; }
+    
+ protected:
+  void deallocate();
+  void initBtnMap(uint8_t cols, uint8_t btns);
+  void setText(uint8_t btn_id, const char* txt);
+  void update();
+
+  void onEvent(event_t event) override;
+  void setFocus(uint8_t flag, Window* from) override;
+};