[bootloader > interfaces] Interface improvement

bootloader/interface/src/menu.cpp

@@ -0,0 +1,88 @@
+#include <bootloader/interface/src/menu.h>
+#include <bootloader/interface.h>
+#include <ion.h>
+#include <kandinsky/context.h>
+#include <string.h>
+
+#include "computer.h"
+
+void Bootloader::Menu::setup() {
+  // Here we add the colomns to the menu.
+}
+
+void Bootloader::Menu::open() {
+  showMenu();
+
+  uint64_t scan = 0;
+  bool exit = false;
+  
+  while(!exit) {
+    scan = Ion::Keyboard::scan();
+    exit = !handleKey(scan);
+  }
+}
+
+int Bootloader::Menu::calculateCenterX(const char * text, int fontWidth) {
+  return (k_screen.width() - fontWidth * strlen(text)) / 2;
+}
+
+void Bootloader::Menu::showMenu() {
+  KDContext * ctx = KDIonContext::sharedContext();
+  ctx->fillRect(k_screen, m_background);
+  Interface::drawImage(ctx, ImageStore::Computer, 25);
+  int y = ImageStore::Computer->height() + 25 + 10;
+  int x = calculateCenterX(m_title, largeFontWidth());
+  ctx->drawString(m_title, KDPoint(x, y), k_large_font, m_foreground, m_background);
+  y += largeFontHeight() + 10;
+
+  //TODO: center the colomns if m_centerY is true
+
+  for (Colomn & colomn : m_colomns) { 
+    if (colomn.isNull()) {
+      break;
+    }
+    y += colomn.draw(ctx, y, m_background, m_foreground) + k_colomns_margin;
+  }
+
+  if (m_bottom != nullptr) {
+    y = k_screen.height() - smallFontHeight() - 10;
+    x = calculateCenterX(m_bottom, smallFontWidth());
+    ctx->drawString(m_bottom, KDPoint(x, y), k_small_font, m_foreground, m_background);
+  }
+}
+
+bool Bootloader::Menu::handleKey(uint64_t key) {
+  for (Ion::Keyboard::Key breaking : this->k_breaking_keys) {
+    if (Ion::Keyboard::State(breaking) == key) {
+      return false;
+    }
+  }
+  if (key == Ion::Keyboard::State(Ion::Keyboard::Key::Power)) { 
+    Ion::Power::standby();
+    return false;
+  }
+  for (Colomn & colomn : this->m_colomns) {
+    if (colomn.isNull() || !colomn.isClickable()) {
+      continue;
+    } else {
+      colomn.didHandledEvent(key);
+    }
+  }
+  return true;
+}
+
+bool Bootloader::Menu::Colomn::didHandledEvent(uint64_t key) {
+  if (isMyKey(key) && isClickable()) {
+    return m_callback();
+  }
+  return false;
+}
+
+int Bootloader::Menu::Colomn::draw(KDContext * ctx, int y, KDColor background, KDColor foreground) {
+  int x = m_extraX;
+  if (m_center) {
+    x += Bootloader::Menu::calculateCenterX(m_text, m_font->glyphSize().width());
+  }
+  ctx->drawString(m_text, KDPoint(x, y), m_font, foreground, background);
+  return m_font->glyphSize().height();
+}