egutierrez
7eef2544ab
Funciones C++/ImGui para dashboards (grid, panel, docking, sidebar, tabs), visualizaciones (candlestick, gauge, histogram, pie, sparkline, heatmap, scatter, line, bar, surface3d, kpi, table), grafos (force layout, renderer, viewport, spatial hash, types) y utilidades (time series buffer, tracy zones, memory/fps overlay, plot theme). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
#pragma once
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#include "imgui.h"
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struct GraphData;
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struct GraphRenderer;
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struct SpatialHash;
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// Persistent state for graph_viewport widget. Create one per viewport and keep
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// alive across frames.
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struct GraphViewportState {
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// Camera
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float cam_x = 0.0f, cam_y = 0.0f;
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float zoom = 1.0f;
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float zoom_min = 0.01f, zoom_max = 50.0f;
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// Interaction result (read after calling graph_viewport each frame)
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int hovered_node = -1; // node index under cursor, -1 if none
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int selected_node = -1; // last clicked node index, -1 if none
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bool is_dragging = false;
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// Layout
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bool layout_running = true; // animate force layout each frame
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float layout_energy = 0.0f; // kinetic energy from last step
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// Internal — managed by graph_viewport / graph_viewport_destroy
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GraphRenderer* renderer = nullptr;
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SpatialHash* spatial = nullptr;
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bool initialized = false;
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// Widget pixel dimensions tracked for resize detection
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int render_w = 0, render_h = 0;
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// Node being dragged (-1 = none)
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int drag_node = -1;
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};
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// Main viewport widget. Call every ImGui frame.
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// id: unique ImGui widget identifier
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// graph: mutable graph data (node positions updated on drag)
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// state: persistent state (camera, selection, GPU renderer); must outlive frames
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// size: widget size in pixels — ImVec2(0,0) uses all available space
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// Returns true if any user interaction occurred (hover, click, drag, zoom).
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bool graph_viewport(const char* id, GraphData& graph, GraphViewportState& state,
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ImVec2 size = ImVec2(0.0f, 0.0f));
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// Release GPU resources. Call once when done with the viewport.
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void graph_viewport_destroy(GraphViewportState& state);
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// Fit camera to current graph bounds with 10% padding.
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void graph_viewport_fit(GraphData& graph, GraphViewportState& state);
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