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src/components/Component.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "Types.hpp"
+#include <vector>
+
+namespace cgeditor {
+
+class Component {
+protected:
+  Status *status;
+  std::vector<Element> elements;
+
+public:
+  Component(Status *s) : status(s){};
+  std::vector<Element> GetElements() { return (this->elements); }
+  virtual void Refresh() = 0;
+};
+
+} // namespace cgeditor

src/components/Margin.cpp

@@ -0,0 +1,30 @@
+#include "Margin.hpp"
+
+namespace cgeditor {
+
+Margin::Margin(Status *s) : Component(s) {}
+
+void Margin::Refresh() {
+  elements.clear();
+  Element e;
+  e.x = 0;
+  e.y = 0;
+  e.height = status->CanvasHeight - status->ScrollbarWidth;
+  e.ShouldApplyScroll = true;
+  e.IgnoreScrollY = true;
+  DrawMargin(e);
+}
+
+void Margin::DrawMargin(Element e) {
+  e.prop=Property::Margin | Property::Rectangle;
+  e.width = status->MarginBarWidth;
+  elements.push_back(e);
+}
+
+void Margin::DrawMargin(std::vector<Element> elts) {
+  for(Element &e:elts){
+    DrawMargin(e);
+  }
+}
+
+} // namespace cgeditor

src/components/Margin.hpp

@@ -0,0 +1,12 @@
+#include "Component.hpp"
+
+namespace cgeditor {
+class Margin : public Component {
+
+public:
+  Margin(Status *s);
+  void Refresh();
+  void DrawMargin(Element e);
+  void DrawMargin(std::vector<Element> elts);
+};
+} // namespace cgeditor

src/components/Menu.cpp

@@ -0,0 +1,64 @@
+#include "Menu.hpp"
+
+namespace cgeditor {
+
+Menu::Menu(Status *s) : Component(s), WasOpen(false) {
+  entries.push_back("Delete from here");
+  entries.push_back("Promote");
+  entries.push_back("Set as main line");
+}
+void Menu::Refresh() {
+  if (WasOpen && (status->LeftClick || status->RightClick)) {
+    char i = 0;
+    for (Element &e : elements) {
+      if (e.IsOver(status->MouseX, status->MouseY)) {
+        if (i == 0) {
+          status->Events.push_back({Event::Type::Delete,status->SelectedMove});
+        } else if (i == 1) {
+          status->Events.push_back({Event::Type::Promote,status->SelectedMove});
+        } else if (i == 2) {
+          status->Events.push_back({Event::Type::SetAsMainline,status->SelectedMove});
+        }
+      }
+      i++;
+    }
+    status->IsMenuOpen = false;
+    WasOpen = false;
+    elements.clear();
+    return;
+  }
+
+  elements.clear();
+  // Draw menu backward to avoid getting out of the canvas
+  bool backwardY =
+      (status->MouseY + status->MenuItemHeight * entries.size()) >=
+      status->CanvasHeight;
+  bool backwardX =
+      (status->MouseX + status->MenuItemWidth) >= status->CanvasWidth;
+
+  if (status->IsMenuOpen) {
+    char i = 0;
+    for (std::string &en : entries) {
+      Element e;
+      e.prop=Property::Text|Property::Menuitem;
+      e.text = en;
+      if (backwardX) {
+        e.x = (status->MouseX - status->MenuItemWidth);
+      } else {
+        e.x = status->MouseX;
+      }
+      if (backwardY) {
+        e.y = (status->MouseY - status->MenuItemHeight) -
+              i * status->MenuItemHeight;
+      } else {
+        e.y = status->MouseY + i * status->MenuItemHeight;
+      }
+      e.width = status->MenuItemWidth;
+      e.height = status->MenuItemHeight;
+      elements.push_back(e);
+      i++;
+    }
+    WasOpen = true;
+  }
+}
+} // namespace cgeditor

src/components/Menu.hpp

@@ -0,0 +1,12 @@
+#include "Component.hpp"
+
+namespace cgeditor {
+class Menu : public Component {
+  std::vector<std::string> entries;
+  /// @brief Set to true if the menu was open during the last editor draw
+  bool WasOpen;
+public:
+  Menu(Status *s);
+  void Refresh();
+};
+} // namespace cgeditor

src/components/MoveTable.cpp

@@ -0,0 +1,280 @@
+#include "MoveTable.hpp"
+
+namespace cgeditor {
+
+MoveTable::MoveTable(Status *s) : Component(s) {
+  ImageWidth = status->MoveWidth * 0.25; // Image is 25% of the cell
+}
+void MoveTable::Refresh() {
+  status->MoveTableMaxX = 0;
+  status->MoveTableMaxY = 0;
+  elements.clear();
+  VariationMargins.clear();
+  CurrentMove = -1; // No current move by default
+  if (status->Moves != NULL) {
+    UpdateMoves(status->Moves, 0, 0, status->Moves->IsBlack);
+    // We only set the type after the call to UpdateMoves()
+    // This way only a single move will be the current move
+    if (CurrentMove >= 0) {
+      if (status->UseMoveImages) {
+        elements[CurrentMove].prop |= Property::Current;
+        elements[CurrentMove + 1].prop |= Property::Current;
+      } else {
+        elements[CurrentMove].prop |= Property::Current;
+      }
+    }
+  } else {
+    Element e;
+    e.prop = Property::Text;
+    e.text = "No move to show";
+    e.x = status->MarginBarWidth;
+    e.y = 0;
+    e.height = status->MoveHeight;
+    e.width = -1;
+    elements.push_back(e);
+  }
+}
+
+bool MoveTable::IsMouseOver(const Element &e) const {
+  // Check if we clicked on scroll bars
+  if (status->IsMenuOpen ||
+      status->MouseX >= (status->CanvasWidth - status->ScrollbarWidth) ||
+      status->MouseY >= (status->CanvasHeight - status->ScrollbarWidth)) {
+    return (false);
+  }
+  return (e.IsOver(status->MouseX - status->ScrollX,
+                   status->MouseY - status->ScrollY));
+}
+
+std::uint32_t MoveTable::UpdateMoves(CGEHalfMove *m, std::uint32_t line,
+                                     std::uint32_t indent, bool only_black) {
+
+  //---------- Check black or white ----------
+  char indent_black = 0;
+  if (m->IsBlack) {
+    indent_black++;
+  }
+
+  //---------- Create temporary move surrounding area ----------
+  Element move_bound;
+  move_bound.prop = Property::Move;
+  if (m->IsBlack) {
+    move_bound.prop |= Property::Black;
+  }
+  move_bound.x = status->MarginBarWidth + status->MoveX +
+                 status->MoveWidth * (indent + indent_black) +
+                 ((indent + 1) / 2 * status->MarginBarWidth);
+  move_bound.y = status->MoveHeight * line;
+  move_bound.width = status->MoveWidth;
+  move_bound.height = status->MoveHeight;
+  move_bound.text = m->move;
+  move_bound.ShouldApplyScroll = true;
+  bool isMouseOver = IsMouseOver(move_bound);
+
+  //---------- Update current focus move ----------
+  if (isMouseOver) {
+    if (status->LeftClick) {
+      if (!status->IsMenuOpen) {
+        status->Events.push_back({Event::Type::Goto, m});
+        status->CurrentMove = m;
+      }
+    } else if (status->RightClick) {
+      status->IsMenuOpen = true;
+      status->SelectedMove = m;
+    }
+  }
+
+  //---------- Check if current move is focused ----------
+  if (status->CurrentMove == m) {
+    CurrentMove = elements.size();
+  }
+
+  //---------- Draw move ----------
+  if (status->UseMoveImages) {
+    // Image
+    Element img;
+    img.prop = Property::Image | Property::Move;
+    img.x = move_bound.x;
+    img.y = status->MoveHeight * line;
+    img.width = ImageWidth;
+    img.height = status->MoveHeight;
+    img.ShouldApplyScroll = true;
+    elements.push_back(img);
+    // Move
+    Element e;
+    e.prop = move_bound.prop | Property::Text;
+    e.text = m->move;
+    e.x = ImageWidth + move_bound.x;
+    e.y = status->MoveHeight * line;
+    e.width = status->MoveWidth - ImageWidth;
+    e.height = status->MoveHeight;
+    e.ShouldApplyScroll = true;
+    elements.push_back(e);
+  } else {
+    move_bound.prop |= Property::Text;
+    elements.push_back(move_bound);
+  }
+
+  //---------- Move number in marge or for variation ----------
+  if (indent == 0 && (!m->IsBlack || only_black)) {
+    DRAW_NB(0, status->MoveHeight * line, m->Number);
+  } else if (indent > 0 && (!m->IsBlack || only_black)) {
+    if (only_black) {
+      DRAW_NB_VAR((move_bound.x - status->MoveWidth) - status->MarginBarWidth,
+                  status->MoveHeight * line, m->Number);
+    } else {
+      DRAW_NB_VAR(move_bound.x - ((indent + 1) / 2 * status->MarginBarWidth),
+                  status->MoveHeight * line, m->Number);
+    }
+  }
+
+  //---------- Draw dots ----------
+  if (only_black) {
+    DRAW_DOTS(move_bound.x - status->MoveWidth, move_bound.y);
+  }
+
+  //---------- Scrolling infos ----------
+  if ((move_bound.x + move_bound.width) > status->MoveTableMaxX) {
+    status->MoveTableMaxX = move_bound.x + move_bound.width;
+  }
+  if ((move_bound.y + move_bound.height) > status->MoveTableMaxY) {
+    status->MoveTableMaxY = move_bound.y + move_bound.height;
+  }
+
+  //---------- Comments ----------
+  if (m->GetNbLineComment() > 0) {
+    line = DrawComment(m, line, indent, move_bound, indent_black);
+  }
+
+  //---------- Variations ----------
+  if (m->variations.size() > 0) {
+    line = DrawVariations(m, line, indent, move_bound, indent_black);
+  }
+
+  //---------- Mainline ----------
+  if (m->MainLine != NULL) {
+    only_black = (m->MainLine->IsBlack &&
+                  (m->GetNbLineComment() > 0 || m->variations.size()));
+    if (m->IsBlack) {
+      line = UpdateMoves(m->MainLine, line + 1, indent, only_black);
+    } else {
+      line = UpdateMoves(m->MainLine, line, indent, only_black);
+    }
+  }
+
+  return (line);
+}
+
+std::uint32_t MoveTable::DrawComment(CGEHalfMove *m, std::uint32_t line,
+                                     std::uint32_t indent,
+                                     const Element &move_bound,
+                                     const char &indent_black) {
+  // Show three dots
+  if (!m->IsBlack) {
+    DRAW_DOTS(status->MarginBarWidth + status->MoveX +
+                  status->MoveWidth * (indent + 1) +
+                  ((indent + 1) / 2 * status->MarginBarWidth),
+              status->MoveHeight * line);
+  }
+  // Print comment
+  line++;
+  // Computer number of rows for the comment
+  std::uint16_t CommentRows = m->GetNbLineComment() / status->CommentLinePerRow;
+  if (m->GetNbLineComment() % status->CommentLinePerRow > 0) {
+    CommentRows++;
+  }
+  // Draw comment
+  Element e;
+  e.prop = Property::Text | Property::Comment;
+  e.x = move_bound.x -
+        (indent_black *
+         status->MoveWidth); // status->MarginBarWidth + status->MoveX;
+  e.y = status->MoveHeight * line;
+  e.width = -1; // Negative width means expands to the edge of the canvas
+  e.height = CommentRows * status->MoveHeight;
+  e.text = m->GetComment();
+  e.ShouldApplyScroll = true;
+  elements.push_back(e);
+  // Do not forget to add marging before comment
+  if (indent > 0) {
+    e.x -= status->MarginBarWidth;
+    VariationMargins.push_back(e);
+  }
+  if (status->LeftClick && IsMouseOver(e)) {
+    status->Events.push_back({Event::Type::CommentSelected, m});
+  }
+  line += CommentRows; // Skip right amount of lines
+  // Since we already increment line for black later on:
+  if (m->IsBlack || m->variations.size() > 0) {
+    line--;
+  }
+
+  return (line);
+}
+
+std::uint32_t MoveTable::DrawVariations(CGEHalfMove *m, std::uint32_t line,
+                                        std::uint32_t indent,
+                                        const Element &move_bound,
+                                        const char &indent_black) {
+  // Show three dots next to move if white turn
+  if ((m->variations.size() == 0) && !m->IsBlack) {
+    DRAW_DOTS(status->MarginBarWidth + status->MoveX +
+                  status->MoveWidth * (indent + 1),
+              status->MoveHeight * line);
+  }
+  // Show button on the right side of the move
+  {
+    Element e;
+    e.prop = Property::Rectangle | Property::Button;
+    e.x = move_bound.x + status->MoveWidth;
+    if (!m->IsBlack)
+      e.x += status->MoveWidth;
+    e.y = move_bound.y + std::ceil(status->MoveHeight / 4);
+    e.width = std::ceil(status->MoveHeight / 2);
+    e.height = e.width;
+    e.ShouldApplyScroll = true;
+    if (status->LeftClick && IsMouseOver(e)) {
+      m->Folded = !m->Folded;
+    }
+    if (!m->Folded) {
+      e.prop |= Property::On;
+    }
+    elements.push_back(e);
+  }
+  if (!m->Folded) {
+    for (CGEHalfMove *v : m->variations) {
+      // For each variation show show/hide button
+      {
+        Element e;
+        e.prop = Property::Rectangle | Property::Button;
+        e.x = (status->MarginBarWidth + status->MoveX +
+               status->MoveWidth * indent) +
+              status->MoveWidth - std::ceil(status->MoveHeight / 2) -
+              std::ceil(status->MoveHeight / 4);
+        e.y = (status->MoveHeight * (line + 1)) +
+              std::ceil(status->MoveHeight / 4);
+        e.width = std::ceil(status->MoveHeight / 2);
+        e.height = e.width;
+        e.ShouldApplyScroll = true;
+        if (status->LeftClick && IsMouseOver(e)) {
+          v->Hide = !v->Hide;
+        }
+        if (!v->Hide) {
+          e.prop |= Property::On;
+        }
+        elements.push_back(e);
+      }
+      if (!v->Hide) {
+        line = UpdateMoves(v, line + 1, indent + 1, v->IsBlack);
+      } else {
+        line++;
+      }
+    }
+  }
+  // New line after variation
+  if (m->MainLine != NULL && m->MainLine->IsBlack) {
+    line++;
+  }
+  return (line);
+}
+} // namespace cgeditor

src/components/MoveTable.hpp

@@ -0,0 +1,65 @@
+#include "Component.hpp"
+#include <cmath>
+
+#define IS_VISIBLE(e)                                                          \
+  (((e.x + status->ScrollX) >= 0 &&                                            \
+    ((e.x + status->ScrollX) <= status->CanvasWidth) &&                        \
+    (e.y + status->ScrollY) >= 0 &&                                            \
+    ((e.y + status->ScrollY) <= status->CanvasHeight)) ||                      \
+   ((e.x + e.width + status->ScrollX) >= 0 &&                                  \
+    ((e.x + e.width + status->ScrollX) <= status->CanvasWidth) &&              \
+    (e.y + e.height + status->ScrollY) >= 0 &&                                 \
+    ((e.y + e.height + status->ScrollY) <= status->CanvasHeight)))
+
+#define DRAW_DOTS(XX, YY)                                                      \
+  {                                                                            \
+    Element e;                                                                 \
+    e.prop = Property::Text | Property::Dots;                                  \
+    e.x = (XX);                                                                \
+    e.y = (YY);                                                                \
+    e.width = status->MoveWidth;                                               \
+    e.height = status->MoveHeight;                                             \
+    e.text = "...";                                                            \
+    e.ShouldApplyScroll = true;                                                \
+    elements.push_back(e);                                                     \
+  }
+
+#define DRAW_NB_(XX, YY, NB)                                                   \
+  Element ln;                                                                  \
+  ln.prop = Property::Text | Property::Movenumber;                             \
+  ln.text = std::to_string(NB);                                                \
+  ln.x = (XX);                                                                 \
+  ln.y = (YY);                                                                 \
+  ln.width = status->MarginBarWidth;                                           \
+  ln.height = status->MoveHeight;                                              \
+  ln.ShouldApplyScroll = true;                                                 \
+  elements.push_back(ln);
+
+#define DRAW_NB(XX, YY, NB)                                                    \
+  { DRAW_NB_(XX, YY, NB); }
+
+#define DRAW_NB_VAR(XX, YY, NB)                                                \
+  {                                                                            \
+    DRAW_NB_(XX, YY, NB);                                                      \
+    VariationMargins.push_back(ln);                                            \
+  }
+
+namespace cgeditor {
+class MoveTable : public Component {
+  std::uint32_t UpdateMoves(CGEHalfMove *, std::uint32_t, std::uint32_t,bool only_black);
+  std::int32_t CurrentMove;
+  double ImageWidth;
+  std::vector<Element> VariationMargins;
+  bool IsMouseOver(const Element &e) const;
+  std::uint32_t DrawComment(CGEHalfMove *m, std::uint32_t line, std::uint32_t indent,
+                           const Element &move_bound, const char &indent_black);
+  std::uint32_t DrawVariations(CGEHalfMove *m, std::uint32_t line, std::uint32_t indent,
+                              const Element &move_bound,
+                              const char &indent_black);
+
+public:
+  MoveTable(Status *s);
+  void Refresh();
+  std::vector<Element> GetVariationsMarging() { return (VariationMargins); }
+};
+} // namespace cgeditor

src/components/Scrollbar.cpp

@@ -0,0 +1,112 @@
+#include "Scrollbar.hpp"
+
+namespace cgeditor {
+Scrollbar::Scrollbar(Status *s, bool IsHorizontal) : Component(s) {
+  this->IsHorizontal = IsHorizontal;
+
+  bg.prop = Property::Rectangle | Property::Scrollbarbg;
+  bar.prop = Property::Rectangle | Property::Scrollbar;
+
+  if (IsHorizontal) {
+    bg.prop |= Property::Horizontal;
+    bar.x = 0;
+  } else {
+    bar.y = 0;
+  }
+
+  DragX = 0;
+  DragY = 0;
+  Trigger = false;
+}
+
+void Scrollbar::Refresh() {
+  if (IsHorizontal) {
+    bg.y = status->CanvasHeight - status->ScrollbarWidth;
+    bg.width = status->CanvasWidth - status->ScrollbarWidth;
+    bg.height = status->ScrollbarWidth;
+    bar.y = bg.y;
+  } else {
+    bg.x = status->CanvasWidth - status->ScrollbarWidth;
+    bg.width = status->CanvasWidth;
+    bg.height = status->CanvasHeight - status->ScrollbarWidth;
+    bar.x = bg.x;
+  }
+
+  bar.width = bg.width;
+  bar.height = bg.height;
+
+  // Compute move table canvas
+  double MTCanvasHeight = status->CanvasHeight - status->ScrollbarWidth;
+  double MTCanvasWidth = status->CanvasWidth - status->ScrollbarWidth;
+
+  bool shouldScroll = false;
+  if (!IsHorizontal && status->MoveTableMaxY > MTCanvasHeight) {
+    bar.height =
+        std::ceil(bg.height * (MTCanvasHeight / status->MoveTableMaxY));
+    shouldScroll = true;
+  }
+
+  if (IsHorizontal && status->MoveTableMaxX > MTCanvasWidth) {
+    bar.width = std::ceil(bg.width * (MTCanvasWidth / status->MoveTableMaxX));
+    shouldScroll = true;
+  }
+
+  if (shouldScroll) {
+    if (IsHorizontal && status->EventHScroll != 0) {
+      double percent = status->EventHScroll / status->MoveTableMaxX;
+      double maxScroll = bg.width - bar.width;
+      bar.x += maxScroll * percent;
+      bar.x = std::max(bg.x, bar.x);
+      bar.x = std::min(bg.x + maxScroll, bar.x);
+      double curScroll = bar.x - bg.x;
+      double scrollPercent = curScroll / maxScroll;
+      status->ScrollX =
+          -(status->MoveTableMaxX - MTCanvasWidth) * scrollPercent;
+      status->EventHScroll = 0;
+    } else if (status->EventVScroll != 0) {
+      double percent = status->EventVScroll / status->MoveTableMaxY;
+      double maxScroll = bg.height - bar.height;
+      bar.y += maxScroll * percent;
+      bar.y = std::max(bg.y, bar.y);
+      bar.y = std::min(bg.y + maxScroll, bar.y);
+      double curScroll = bar.y - bg.y;
+      double scrollPercent = curScroll / maxScroll;
+      status->ScrollY =
+          -(status->MoveTableMaxY - MTCanvasHeight) * scrollPercent;
+      status->EventVScroll = 0;
+    } else if (status->LeftClick &&
+               bar.IsOver(status->MouseX, status->MouseY)) {
+      DragX = bar.x;
+      DragY = bar.y;
+      Trigger = true;
+    } else if (Trigger && status->IsDrag) {
+      if (IsHorizontal) {
+        bar.x = DragX + (status->MouseX - status->LastMouseClicX);
+        bar.x = std::max(bg.x, bar.x);
+        double maxScroll = bg.width - bar.width;
+        bar.x = std::min(bg.x + maxScroll, bar.x);
+        double curScroll = bar.x - bg.x;
+        double scrollPercent = curScroll / maxScroll;
+        status->ScrollX =
+            -(status->MoveTableMaxX - MTCanvasWidth) * scrollPercent;
+      } else {
+        bar.y = DragY + (status->MouseY - status->LastMouseClicY);
+        bar.y = std::max(bg.y, bar.y);
+        double maxScroll = bg.height - bar.height;
+        bar.y = std::min(bg.y + maxScroll, bar.y);
+        double curScroll = bar.y - bg.y;
+        double scrollPercent = curScroll / maxScroll;
+        status->ScrollY =
+            -(status->MoveTableMaxY - MTCanvasHeight) * scrollPercent;
+      }
+    } else {
+      Trigger = false;
+    }
+  }
+
+  elements.clear();
+  elements.push_back(bg);
+  elements.push_back(bar);
+}
+
+} // namespace cgeditor

src/components/Scrollbar.hpp

@@ -0,0 +1,16 @@
+#include "Component.hpp"
+#include <algorithm>    // std::max
+#include <cmath>
+
+namespace cgeditor {
+class Scrollbar : public Component {
+  /// @brief Set to true if it is the horizontal scrollbar
+  bool IsHorizontal;
+  Element bg,bar;
+  double DragY,DragX;
+  bool Trigger;
+public:
+  Scrollbar(Status* s,bool IsHorizontal);
+  void Refresh();
+};
+} // namespace cgeditor