Refactoring game tab

src/game_tab/right_panel/editor/EditorCanvas.cpp

@@ -0,0 +1,188 @@
+#include "EditorCanvas.hpp"
+
+EditorCanvas::EditorCanvas(wxFrame *parent)
+    : wxPanel(parent), NeedRedraw(false) {
+  hide_icon = LoadPNG("hide", wxSize(CGEditor::status.MoveIconWidth,
+                                     CGEditor::status.MoveIconWidth));
+  t.ResizePieces(CGEditor::status.MoveIconWidth);
+}
+
+void EditorCanvas::OnPaint(wxPaintEvent &event) {
+  wxPaintDC current_dc(this);
+  dc = &current_dc;
+
+  // Refresh canvas size
+  wxSize sz = GetClientSize();
+  CGEditor::status.CanvasWidth = sz.GetWidth();
+  CGEditor::status.CanvasHeight = sz.GetHeight();
+  CGEditor::status.UseMoveIcons =
+      true; // Piece image should be drawn before the move ?
+
+  const wxPoint pt = wxGetMousePosition();
+  CGEditor::status.MouseX = pt.x - this->GetScreenPosition().x;
+  CGEditor::status.MouseY = pt.y - this->GetScreenPosition().y;
+  CGEditor::Draw();
+}
+
+/**
+ * @brief Convenient fonction to center text
+ *
+ * @param e Element to center
+ * @return wxPoint The centered version of e according to wdWidget API
+ */
+wxPoint EditorCanvas::Middle(cgeditor::Element e) {
+  wxSize sz = dc->GetTextExtent(e.text);
+  return (wxPoint(e.x + (e.width - sz.GetWidth()) / 2,
+                  e.y + (e.height - sz.GetHeight()) / 2));
+}
+
+void EditorCanvas::DrawElement(const cgeditor::Element &e) {
+  dc->SetPen(wxNullPen);
+  dc->SetBrush(*wxRED_BRUSH);
+  if (e.prop & cgeditor::Property::Rectangle) {
+    if (e.prop & cgeditor::Property::Scrollbarbg) {
+      dc->SetBrush(*wxCYAN_BRUSH);
+    } else if (e.prop & cgeditor::Property::Scrollbar) {
+      dc->SetBrush(*wxGREY_BRUSH);
+    } else if (e.prop & cgeditor::Property::Margin) {
+      dc->SetBrush(*wxLIGHT_GREY_BRUSH);
+    } else if (e.prop & cgeditor::Property::Button) {
+      if (e.prop & cgeditor::Property::On) {
+        dc->DrawBitmap(hide_icon, e.x, e.y);
+        return;
+      }
+      dc->SetBrush(*wxBLACK_BRUSH);
+    }
+    wxRect recToDraw(e.x, e.y, e.width, e.height);
+    dc->DrawRectangle(recToDraw);
+  } else if (e.prop & cgeditor::Property::Text ||
+             e.prop & cgeditor::Property::Image) {
+    if (e.prop & cgeditor::Property::Image) {
+      // Draw your pieces images instead
+      std::uint32_t y = Middle(e).y - CGEditor::status.MoveIconWidth / 2;
+      char p = 'P';
+      if (e.prop & cgeditor::Property::Knight) {
+        p = 'N';
+      } else if (e.prop & cgeditor::Property::Bishop) {
+        p = 'B';
+      } else if (e.prop & cgeditor::Property::Queen) {
+        p = 'Q';
+      } else if (e.prop & cgeditor::Property::King) {
+        p = 'K';
+      } else if (e.prop & cgeditor::Property::Rook) {
+        p = 'R';
+      }
+      if (e.prop & cgeditor::Property::Black) {
+        p = std::tolower(p);
+      }
+      if (e.prop & cgeditor::Property::Current) {
+        wxRect recToDraw(e.x, e.y, e.width, e.height);
+        dc->SetBrush(*wxLIGHT_GREY_BRUSH);
+        dc->DrawRectangle(recToDraw);
+      }
+      dc->DrawBitmap(*t.Get(p), e.x, y);
+    } else if (e.prop & cgeditor::Property::Comment) {
+      wxRect recToDraw(e.x, e.y, e.width, e.height);
+      dc->SetBrush(*wxYELLOW_BRUSH);
+      dc->DrawRectangle(recToDraw);
+      dc->DrawText(wxString(e.text), wxPoint(e.x, e.y));
+    } else if (e.prop & cgeditor::Property::Menuitem) {
+      wxRect recToDraw(e.x, e.y, e.width, e.height);
+      dc->SetBrush(*wxLIGHT_GREY_BRUSH);
+      dc->DrawRectangle(recToDraw);
+      dc->DrawText(wxString(e.text), wxPoint(e.x, Middle(e).y));
+    } else {
+      if (e.prop & cgeditor::Property::Move) {
+        if (e.prop & cgeditor::Property::Current) {
+          wxRect recToDraw(e.x, e.y, e.width, e.height);
+          dc->SetBrush(*wxLIGHT_GREY_BRUSH);
+          dc->DrawRectangle(recToDraw);
+        }
+        if (CGEditor::status.UseMoveIcons) {
+          dc->DrawText(wxString(e.text), wxPoint(e.x, Middle(e).y));
+        } else {
+          dc->DrawText(wxString(e.text), Middle(e));
+        }
+      } else {
+        dc->DrawText(wxString(e.text), Middle(e));
+      }
+    }
+  }
+}
+void EditorCanvas::HandleEvent(const cgeditor::Event &e) {
+  wxLogDebug("Editor event!");
+  if (e.type == cgeditor::Event::Goto) {
+    wxCommandEvent event(GOTO_MOVE_EVENT, GetId());
+    event.SetEventObject(this);
+    event.SetClientData(e.move);
+    ProcessEvent(event);
+  } else if (e.type == cgeditor::Event::Delete) {
+    wxCommandEvent event(DELETE_MOVE_EVENT, GetId());
+    event.SetEventObject(this);
+    event.SetClientData(e.move);
+    ProcessEvent(event);
+  } else if (e.type == cgeditor::Event::Promote) {
+    wxCommandEvent event(PROMOTE_MOVE_EVENT, GetId());
+    event.SetEventObject(this);
+    event.SetClientData(e.move);
+    ProcessEvent(event);
+  } else if (e.type == cgeditor::Event::SetAsMainline) {
+    wxCommandEvent event(SET_AS_MAINLINE_EVENT, GetId());
+    event.SetEventObject(this);
+    event.SetClientData(e.move);
+    ProcessEvent(event);
+  }
+}
+
+void EditorCanvas::MouseEvent(wxMouseEvent &event) {
+  if (event.Dragging()) {
+    CGEditor::status.LeftClick = false;
+    CGEditor::status.IsDrag = true;
+    Refresh();
+  } else if (event.LeftDown()) {
+    SetFocus();
+    CGEditor::status.LeftClick = true;
+    Refresh();
+  } else if (event.RightDown()) {
+    SetFocus();
+    CGEditor::status.RightClick = true;
+    Refresh();
+  } else if (event.GetWheelRotation() != 0) {
+    SetFocus();
+    if (event.GetWheelRotation() < 0) {
+      CGEditor::status.EventVScroll = 50;
+    } else {
+      CGEditor::status.EventVScroll = -50;
+    }
+    Refresh();
+  }
+
+  // Should another draw of CGEditor be made?
+  if (NeedRedraw) {
+    Refresh();
+    NeedRedraw = false;
+  }
+}
+
+void EditorCanvas::SetMoves(HalfMove *moves, HalfMove *current) {
+  CGEditor::status.Moves = moves;
+  CGEditor::status.CurrentMove = current;
+
+  Refresh();
+}
+
+void EditorCanvas::OnKeyEvent(wxKeyEvent &event) {
+  if (event.GetKeyCode() == WXK_LEFT) {
+    wxCommandEvent previousEvent(PREVIOUS_MOVE_EVENT, GetId());
+    previousEvent.SetEventObject(this);
+    ProcessEvent(previousEvent);
+  } else if (event.GetKeyCode() == WXK_RIGHT) {
+    wxCommandEvent nextEvent(NEXT_MOVE_EVENT, GetId());
+    nextEvent.SetEventObject(this);
+    ProcessEvent(nextEvent);
+  }
+}
+
+wxBEGIN_EVENT_TABLE(EditorCanvas, wxPanel) EVT_PAINT(EditorCanvas::OnPaint)
+    EVT_MOUSE_EVENTS(EditorCanvas::MouseEvent)
+        EVT_CHAR_HOOK(EditorCanvas::OnKeyEvent) wxEND_EVENT_TABLE()