Line data    Source code

       1              : #pragma once
       2              : 
       3              : #include <imgui.h>
       4              : #include <unordered_map>
       5              : #include <vector>
       6              : 
       7              : namespace Amplitron {
       8              : 
       9           70 : struct NodeLayoutState {
      10              :     ImVec2 position;
      11           35 :     bool is_dragging = false;
      12              :     ImVec2 drag_start_pos;
      13              : };
      14              : 
      15            1 : class GuiGraphState {
      16              : public:
      17          723 :     static GuiGraphState& get_instance() {
      18          724 :         static GuiGraphState instance;
      19          723 :         return instance;
      20            0 :     }
      21              : 
      22              :     // Canvas panning and zoom/grid configurations
      23            1 :     ImVec2 scrolling = ImVec2(0.0f, 0.0f);
      24            1 :     ImVec2 target_scrolling = ImVec2(0.0f, 0.0f);
      25            1 :     bool show_grid = true;
      26            1 :     bool is_fullscreen = false;
      27            1 :     float zoom = 1.0f;
      28            1 :     float target_zoom = 1.0f;
      29            1 :     float dpi_scale = 1.0f;
      30            1 :     ImVec2 last_canvas_pos = ImVec2(0.0f, 0.0f);
      31            1 :     bool canvas_hovered = false;
      32              : 
      33              :     // Node positioning registry mapped by Node ID
      34              :     std::unordered_map<int, NodeLayoutState> node_positions;
      35              : 
      36              :     // State tracking for wire connections currently being dragged
      37            1 :     int active_src_pin_id = -1;
      38            1 :     ImVec2 active_src_pin_pos = ImVec2(0.0f, 0.0f);
      39              : 
      40              :     void set_default_position_if_missing(int node_id, float default_x, float default_y) {
      41              :         if (node_positions.find(node_id) == node_positions.end()) {
      42              :             node_positions[node_id] = { ImVec2(default_x, default_y), false, ImVec2(0, 0) };
      43              :         }
      44              :     }
      45              : };
      46              : 
      47              : } // namespace Amplitron