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Add custom right-click context menu #613

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Add custom right-click context menu #613

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34 changes: 33 additions & 1 deletion implot.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3191,7 +3191,8 @@ void EndPlot() {


// main ctx menu
if (can_ctx && plot.Hovered)
// if (can_ctx && plot.Hovered) <-- old line // OdehM 2025-02-20
if (can_ctx && !ImHasFlag(plot.Flags, ImPlotFlags_NoCentralMenu) && plot.Hovered) // <-- new line // OdehM 2025-02-20
ImGui::OpenPopup("##PlotContext");
if (ImGui::BeginPopup("##PlotContext")) {
ShowPlotContextMenu(plot);
Expand Down Expand Up @@ -5860,6 +5861,37 @@ void StyleColorsLight(ImPlotStyle* dst) {
colors[ImPlotCol_Crosshairs] = ImVec4(0.00f, 0.00f, 0.00f, 0.50f);
}

//-----------------------------------------------------------------------------
// [SECTION] Context Menu // OdehM 2025-02-20
//-----------------------------------------------------------------------------

bool BeginCustomContext()
{
ImPlotContext& gp = *GImPlot;

if (gp.CurrentPlot == nullptr) return false;

ImPlotPlot &plot = *gp.CurrentPlot;

const bool can_ctx = plot.Hovered &&
!plot.Items.Legend.Hovered &&
!plot.ContextLocked && // <-- added
ImGui::IsMouseReleased(ImGuiMouseButton_Right);

// main ctx menu
if (can_ctx)
ImGui::OpenPopup("##CustomPlotContext");

return ImGui::BeginPopup("##CustomPlotContext");
}

void EndCustomContext(bool include_default)
{
if (include_default)
ShowPlotContextMenu(*(GImPlot->CurrentPlot));
ImGui::EndPopup();
}

//-----------------------------------------------------------------------------
// [SECTION] Obsolete Functions/Types
//-----------------------------------------------------------------------------
Expand Down
11 changes: 11 additions & 0 deletions implot.h
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@
// [SECTION] Input Mapping
// [SECTION] Miscellaneous
// [SECTION] Demo
// [SECTION] Context Menu // OdehM 2025-02-20
// [SECTION] Obsolete API

#pragma once
Expand Down Expand Up @@ -139,6 +140,7 @@ enum ImPlotFlags_ {
ImPlotFlags_NoFrame = 1 << 6, // the ImGui frame will not be rendered
ImPlotFlags_Equal = 1 << 7, // x and y axes pairs will be constrained to have the same units/pixel
ImPlotFlags_Crosshairs = 1 << 8, // the default mouse cursor will be replaced with a crosshair when hovered
ImPlotFlags_NoCentralMenu = 1 << 9, // disable the central menu, but allow other menus (such as legends and axis) // OdehM 2025_02_20
ImPlotFlags_CanvasOnly = ImPlotFlags_NoTitle | ImPlotFlags_NoLegend | ImPlotFlags_NoMenus | ImPlotFlags_NoBoxSelect | ImPlotFlags_NoMouseText
};

Expand Down Expand Up @@ -1247,6 +1249,15 @@ IMPLOT_API void ShowMetricsWindow(bool* p_popen = nullptr);
// Shows the ImPlot demo window (add implot_demo.cpp to your sources!)
IMPLOT_API void ShowDemoWindow(bool* p_open = nullptr);

//-----------------------------------------------------------------------------
// [SECTION] Context Menu // OdehM 2025-02-20
//-----------------------------------------------------------------------------

// Begin a custom central plot context menu
IMPLOT_API bool BeginCustomContext();
// End a custom central plot context menu
IMPLOT_API void EndCustomContext(bool include_default = false); // if include_default is true, the normal context menu will be appended

} // namespace ImPlot

//-----------------------------------------------------------------------------
Expand Down