mirror of
https://github.com/gwm17/implot.git
synced 2024-10-09 15:47:26 -04:00
add plot queries, improve box selection controls with modifiers
This commit is contained in:
Evan Pezent
parent
fee519b3e9
commit
d515493aef
148
implot.cpp
148
implot.cpp
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@ -61,6 +61,15 @@ ImPlotStyle::ImPlotStyle() {
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Colors[ImPlotCol_XAxis] = IM_COL_AUTO;
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Colors[ImPlotCol_YAxis] = IM_COL_AUTO;
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Colors[ImPlotCol_Selection] = ImVec4(1,1,0,1);
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Colors[ImPlotCol_Query] = ImVec4(0,1,0,1);
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}
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ImPlotRange::ImPlotRange() {
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XMin = XMax = YMin = YMax = NAN;
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}
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bool ImPlotRange::Contains(const ImVec2& p) {
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return p.x >= XMin && p.x <= XMax && p.y >= YMin && p.y <= YMax;
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}
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namespace ImGui {
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@ -212,6 +221,7 @@ struct ImPlotAxis {
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struct ImPlot {
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ImPlot() {
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Selecting = false;
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Querying = false;
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SelectStart = {0,0};
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Flags = ImPlotFlags_Default;
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ColorIdx = 0;
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@ -220,6 +230,7 @@ struct ImPlot {
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ImRect BB_Legend;
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bool Selecting;
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bool Querying;
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ImVec2 SelectStart;
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ImPlotAxis XAxis;
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ImPlotAxis YAxis;
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@ -243,15 +254,17 @@ struct ImNextPlotData {
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struct ImPlotContext {
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ImPlotContext() {
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CurrentPlot = NULL;
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PreviousPlot = NULL;
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RestorePlotPalette();
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}
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/// ALl Plots
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ImPool<ImPlot> Plots;
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/// Current Plot
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ImPlot* CurrentPlot;
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/// Previous Plot
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ImPlot* PreviousPlot;
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// Legend
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ImVector<int> _LegendIndices;
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ImGuiTextBuffer _LegendLabels;
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@ -296,6 +309,7 @@ struct ImPlotContext {
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ImU32 Col_Frame, Col_Bg, Col_Border,
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Col_Txt, Col_TxtDis,
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Col_SlctBg, Col_SlctBd,
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Col_QryBg, Col_QryBd,
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Col_XMajor, Col_XMinor, Col_XTxt,
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Col_YMajor, Col_YMinor, Col_YTxt;
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@ -569,6 +583,8 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
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gp.Col_TxtDis = GetColorU32(ImGuiCol_TextDisabled);
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gp.Col_SlctBg = GetColorU32(gp.Style.Colors[ImPlotCol_Selection] * ImVec4(1,1,1,0.25f));
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gp.Col_SlctBd = GetColorU32(gp.Style.Colors[ImPlotCol_Selection]);
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gp.Col_QryBg = GetColorU32(gp.Style.Colors[ImPlotCol_Query] * ImVec4(1,1,1,0.25f));
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gp.Col_QryBd = GetColorU32(gp.Style.Colors[ImPlotCol_Query]);
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// BB AND HOVER -----------------------------------------------------------
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@ -702,37 +718,59 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
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// BOX-SELECTION ----------------------------------------------------------
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// confirm selection
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if (plot.Selecting && (IO.MouseReleased[1] || !IO.MouseDown[1])) {
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if (HasFlag(plot.Flags, ImPlotFlags_Selection)) {
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if ((plot.Selecting || plot.Querying) && IO.MouseReleased[1]) {
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if (plot.Selecting && (plot.Flags, ImPlotFlags_Selection)) {
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gp.UpdateTransforms();
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ImVec2 select_size = plot.SelectStart - IO.MousePos;
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if (ImFabs(select_size.x) > 2 && ImFabs(select_size.y) > 2) {
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ImVec2 p1 = gp.FromPixels(plot.SelectStart);
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ImVec2 p2 = gp.FromPixels(IO.MousePos);
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if (!lock_x_min)
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if (!lock_x_min && !IO.KeyAlt)
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plot.XAxis.Min = ImMin(p1.x, p2.x);
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if (!lock_x_max)
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if (!lock_x_max && !IO.KeyAlt)
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plot.XAxis.Max = ImMax(p1.x, p2.x);
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if (!lock_y_min)
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if (!lock_y_min && !IO.KeyShift)
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plot.YAxis.Min = ImMin(p1.y, p2.y);
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if (!lock_y_max)
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if (!lock_y_max && !IO.KeyShift)
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plot.YAxis.Max = ImMax(p1.y, p2.y);
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}
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}
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plot.Selecting = false;
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plot.Querying = false;
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}
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if (plot.Querying && IO.MouseReleased[2]) {
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plot.Querying = false;
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}
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// bad selection
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if (plot.Selecting && (!HasFlag(plot.Flags, ImPlotFlags_Selection) || lock_plot) && ImLengthSqr(plot.SelectStart - IO.MousePos) > 4) {
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ImGui::SetMouseCursor(ImGuiMouseCursor_NotAllowed);
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}
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// cancel selection
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if (plot.Selecting && (IO.MouseClicked[0] || IO.MouseDown[0])) {
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// toggle between select/query
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if (plot.Selecting && IO.KeyCtrl) {
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plot.Selecting = false;
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plot.Querying = true;
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}
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// begin selection
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if (plot.Querying && !IO.KeyCtrl && !IO.MouseDown[2]) {
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plot.Selecting = true;
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plot.Querying = false;
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}
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// cancel selection
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if ((plot.Selecting || plot.Querying) && (IO.MouseClicked[0] || IO.MouseDown[0])) {
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plot.Selecting = false;
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plot.Querying = false;
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}
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// begin selection or query
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if (gp.Hov_Frame && gp.Hov_Grid && IO.MouseClicked[1]) {
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plot.SelectStart = IO.MousePos;
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plot.Selecting = true;
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if (IO.KeyCtrl)
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plot.Querying = true;
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else
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plot.Selecting = true;
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}
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// begin query
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if (gp.Hov_Frame && gp.Hov_Grid && IO.MouseClicked[2]) {
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plot.SelectStart = IO.MousePos;
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plot.Querying = true;
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}
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// DOUBLE CLICK -----------------------------------------------------------
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@ -1025,26 +1063,50 @@ void EndPlot() {
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DrawList.AddLine({gp.BB_Grid.Min.x, yt.PixelPos}, {gp.BB_Grid.Min.x + (yt.Major ? 10.0f : 5.0f), yt.PixelPos}, gp.Col_Border, 1);
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}
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// render selection
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if (HasFlag(plot.Flags, ImPlotFlags_Selection) && plot.Selecting && !lock_plot) {
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// render selection/query
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if (plot.Selecting || plot.Querying) {
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ImRect select_bb(ImMin(IO.MousePos, plot.SelectStart), ImMax(IO.MousePos, plot.SelectStart));
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if (lock_x && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(ImVec2(gp.BB_Grid.Min.x, select_bb.Min.y), ImVec2(gp.BB_Grid.Max.x, select_bb.Max.y), gp.Col_SlctBg);
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DrawList.AddRect( ImVec2(gp.BB_Grid.Min.x, select_bb.Min.y), ImVec2(gp.BB_Grid.Max.x, select_bb.Max.y), gp.Col_SlctBd);
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if (plot.Selecting && !lock_plot && HasFlag(plot.Flags, ImPlotFlags_Selection)) {
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if (IO.KeyAlt && IO.KeyShift && select_bb.GetWidth() > 2 && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(gp.BB_Grid.Min, gp.BB_Grid.Max, gp.Col_SlctBg);
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DrawList.AddRect( gp.BB_Grid.Min, gp.BB_Grid.Max, gp.Col_SlctBd);
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}
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else if ((lock_x || IO.KeyAlt) && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(ImVec2(gp.BB_Grid.Min.x, select_bb.Min.y), ImVec2(gp.BB_Grid.Max.x, select_bb.Max.y), gp.Col_SlctBg);
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DrawList.AddRect( ImVec2(gp.BB_Grid.Min.x, select_bb.Min.y), ImVec2(gp.BB_Grid.Max.x, select_bb.Max.y), gp.Col_SlctBd);
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}
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else if ((lock_y || IO.KeyShift) && select_bb.GetWidth() > 2) {
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DrawList.AddRectFilled(ImVec2(select_bb.Min.x, gp.BB_Grid.Min.y), ImVec2(select_bb.Max.x, gp.BB_Grid.Max.y), gp.Col_SlctBg);
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DrawList.AddRect( ImVec2(select_bb.Min.x, gp.BB_Grid.Min.y), ImVec2(select_bb.Max.x, gp.BB_Grid.Max.y), gp.Col_SlctBd);
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}
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else if (select_bb.GetWidth() > 2 && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(select_bb.Min, select_bb.Max, gp.Col_SlctBg);
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DrawList.AddRect( select_bb.Min, select_bb.Max, gp.Col_SlctBd);
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}
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}
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else if (lock_y && select_bb.GetWidth() > 2) {
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DrawList.AddRectFilled(ImVec2(select_bb.Min.x, gp.BB_Grid.Min.y), ImVec2(select_bb.Max.x, gp.BB_Grid.Max.y), gp.Col_SlctBg);
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DrawList.AddRect( ImVec2(select_bb.Min.x, gp.BB_Grid.Min.y), ImVec2(select_bb.Max.x, gp.BB_Grid.Max.y), gp.Col_SlctBd);
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}
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else if (select_bb.GetWidth() > 2 && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(select_bb.Min, select_bb.Max, gp.Col_SlctBg);
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DrawList.AddRect( select_bb.Min, select_bb.Max, gp.Col_SlctBd);
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else if (plot.Querying && select_bb.GetWidth() > 2 && select_bb.GetHeight() > 2) {
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if (IO.KeyAlt && IO.KeyShift && select_bb.GetWidth() > 2 && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(gp.BB_Grid.Min, gp.BB_Grid.Max, gp.Col_QryBg);
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DrawList.AddRect( gp.BB_Grid.Min, gp.BB_Grid.Max, gp.Col_QryBd);
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}
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else if (IO.KeyAlt && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(ImVec2(gp.BB_Grid.Min.x, select_bb.Min.y), ImVec2(gp.BB_Grid.Max.x, select_bb.Max.y), gp.Col_QryBg);
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DrawList.AddRect( ImVec2(gp.BB_Grid.Min.x, select_bb.Min.y), ImVec2(gp.BB_Grid.Max.x, select_bb.Max.y), gp.Col_QryBd);
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}
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else if (IO.KeyShift && select_bb.GetWidth() > 2) {
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DrawList.AddRectFilled(ImVec2(select_bb.Min.x, gp.BB_Grid.Min.y), ImVec2(select_bb.Max.x, gp.BB_Grid.Max.y), gp.Col_QryBg);
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DrawList.AddRect( ImVec2(select_bb.Min.x, gp.BB_Grid.Min.y), ImVec2(select_bb.Max.x, gp.BB_Grid.Max.y), gp.Col_QryBd);
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}
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else if (select_bb.GetWidth() > 2 && select_bb.GetHeight() > 2) {
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DrawList.AddRectFilled(select_bb.Min, select_bb.Max, gp.Col_QryBg);
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DrawList.AddRect( select_bb.Min, select_bb.Max, gp.Col_QryBd);
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}
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}
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}
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// render crosshairs
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if (HasFlag(plot.Flags, ImPlotFlags_Crosshairs) && gp.Hov_Grid && gp.Hov_Frame &&
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!(plot.XAxis.Dragging || plot.YAxis.Dragging) && !plot.Selecting && !hov_legend) {
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!(plot.XAxis.Dragging || plot.YAxis.Dragging) && !plot.Selecting && !plot.Querying && !hov_legend) {
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ImGui::SetMouseCursor(ImGuiMouseCursor_None);
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ImVec2 xy = IO.MousePos;
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ImVec2 h1(gp.BB_Grid.Min.x, xy.y);
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@ -1101,6 +1163,7 @@ void EndPlot() {
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// Reset legend items
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gp._LegendIndices.shrink(0);
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// Null current plot/data
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gp.PreviousPlot = gp.CurrentPlot;
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gp.CurrentPlot = NULL;
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// Reset next plot data
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gp.NextPlotData = ImNextPlotData();
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@ -1138,6 +1201,43 @@ void SetNextPlotRangeY(float y_min, float y_max, ImGuiCond cond) {
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bool IsPlotHovered() { return gp.Hov_Grid; }
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ImVec2 GetPlotMousePos() { return gp.LastMousePos; }
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ImPlotRange GetPlotRange() {
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ImPlot* plt = gp.CurrentPlot ? gp.CurrentPlot : gp.PreviousPlot ? gp.PreviousPlot : NULL;
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if (plt == NULL)
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return ImPlotRange();
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ImPlotRange range;
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range.XMin = plt->XAxis.Min;
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range.XMax = plt->XAxis.Max;
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range.YMin = plt->YAxis.Min;
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range.YMax = plt->YAxis.Max;
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return range;
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}
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bool IsPlotQueried() {
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if (gp.CurrentPlot) {
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return gp.CurrentPlot->Querying;
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}
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else if (gp.PreviousPlot) {
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return gp.PreviousPlot->Querying;
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}
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return false;
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}
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ImPlotRange GetPlotQuery() {
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ImPlot* plt = gp.CurrentPlot ? gp.CurrentPlot : gp.PreviousPlot ? gp.PreviousPlot : NULL;
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if (plt == NULL)
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return ImPlotRange();
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ImVec2 p1 = gp.FromPixels(plt->SelectStart);
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ImVec2 p2 = gp.FromPixels(ImGui::GetIO().MousePos);
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ImPlotRange range;
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range.XMin = ImGui::GetIO().KeyAlt ? plt->XAxis.Min : ImMin(p1.x, p2.x);
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range.XMax = ImGui::GetIO().KeyAlt ? plt->XAxis.Max : ImMax(p1.x, p2.x);
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range.YMin = ImGui::GetIO().KeyShift ? plt->YAxis.Min : ImMin(p1.y, p2.y);
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range.YMax = ImGui::GetIO().KeyShift ? plt->YAxis.Max : ImMax(p1.y, p2.y);
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return range;
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}
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//=============================================================================
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// STYLING
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//=============================================================================
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41
implot.h
41
implot.h
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@ -74,6 +74,7 @@ enum ImPlotCol_ {
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ImPlotCol_XAxis, // x-axis grid/label color (defaults to ImGuiCol_Text)
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ImPlotCol_YAxis, // x-axis grid/label color (defaults to ImGuiCol_Text)
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ImPlotCol_Selection, // box-selection color (defaults to yellow)
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ImPlotCol_Query, // box-query color (defaults to green)
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ImPlotCol_COUNT
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};
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@ -102,6 +103,13 @@ enum ImMarker_ {
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ImMarker_Asterisk = 1 << 10, // a asterisk marker will be rendered at each point (not filled)
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};
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/// Plot range utility struct
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struct ImPlotRange {
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float XMin, XMax, YMin, YMax;
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ImPlotRange();
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bool Contains(const ImVec2& p);
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};
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// Plot style structure
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struct ImPlotStyle {
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float LineWeight; // = 1, line weight in pixels
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@ -115,7 +123,7 @@ struct ImPlotStyle {
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};
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//-----------------------------------------------------------------------------
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// Plot API
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// Core API
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//-----------------------------------------------------------------------------
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namespace ImGui {
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@ -143,32 +151,43 @@ void SetNextPlotRange(float x_min, float x_max, float y_min, float y_max, ImGuiC
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void SetNextPlotRangeX(float x_min, float x_max, ImGuiCond cond = ImGuiCond_Once);
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/// Set the X axis range of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axis will be locked.
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void SetNextPlotRangeY(float y_min, float y_max, ImGuiCond cond = ImGuiCond_Once);
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/// Returns true if the plot area in the current or most recent call to BeginPlot() is hovered
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//-----------------------------------------------------------------------------
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// Plot Queries
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//-----------------------------------------------------------------------------
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/// Returns true if the plot area in the current or most recent plot is hovered.
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bool IsPlotHovered();
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/// Returns the mouse position in x,y coordinates of the current or most recent plot.
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ImVec2 GetPlotMousePos();
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/// Returns the current or most recent plot axis range.
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ImPlotRange GetPlotRange();
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/// Returns true if the current or most recent plot is being queried.
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bool IsPlotQueried();
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/// Returns the current or most recent plot querey range.
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ImPlotRange GetPlotQuery();
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//-----------------------------------------------------------------------------
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// Plot Items
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//-----------------------------------------------------------------------------
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// Plots a standard 2D line and/or scatter plot
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// Plots a standard 2D line and/or scatter plot .
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void Plot(const char* label_id, const float* values, int count, int offset = 0, int stride = sizeof(float));
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void Plot(const char* label_id, const float* xs, const float* ys, int count, int offset = 0, int stride = sizeof(float));
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void Plot(const char* label_id, ImVec2 (*getter)(void* data, int idx), void* data, int count, int offset = 0);
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// Plots vertical bars
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// Plots vertical bars.
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void PlotBar(const char* label_id, const float* values, int count, float width = 0.67f, float shift = 0, int offset = 0, int stride = sizeof(float));
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void PlotBar(const char* label_id, const float* xs, const float* ys, int count, float width, int offset = 0, int stride = sizeof(float));
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void PlotBar(const char* label_id, ImVec2 (*getter)(void* data, int idx), void* data, int count, float width, int offset = 0);
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// Plots horizontal bars
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// Plots horizontal bars.
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void PlotBarH(const char* label_id, const float* values, int count, float height = 0.67f, float shift = 0, int offset = 0, int stride = sizeof(float));
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void PlotBarH(const char* label_id, const float* xs, const float* ys, int count, float height, int offset = 0, int stride = sizeof(float));
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void PlotBarH(const char* label_id, ImVec2 (*getter)(void* data, int idx), void* data, int count, float height, int offset = 0);
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// Plots vertical error bars
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// Plots vertical error bars.
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void PlotErrorBars(const char* label_id, const float* xs, const float* ys, const float* err, int count, int offset = 0, int stride = sizeof(float));
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void PlotErrorBars(const char* label_id, const float* xs, const float* ys, const float* neg, const float* pos, int count, int offset = 0, int stride = sizeof(float));
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void PlotErrorBars(const char* label_id, ImVec4 (*getter)(void* data, int idx), void* data, int count, int offset = 0);
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// Plots a text label at point x,y
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// Plots a text label at point x,y.
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void PlotLabel(const char* text, float x, float y, const ImVec2& pixel_offset = ImVec2(0,0));
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//-----------------------------------------------------------------------------
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@ -178,9 +197,9 @@ void PlotLabel(const char* text, float x, float y, const ImVec2& pixel_offset =
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// Provides access to plot style structure for permanant modifications to colors, sizes, etc.
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ImPlotStyle& GetPlotStyle();
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// Sets the color palette to be used for plot items
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// Sets the color palette to be used for plot items.
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void SetPlotPalette(const ImVec4* colors, int num_colors);
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// Restores the default ImPlot color map
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// Restores the default ImPlot color map.
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void RestorePlotPalette();
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// Temporarily modify a plot color.
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@ -190,9 +209,9 @@ void PushPlotColor(ImPlotCol idx, const ImVec4& col);
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// Undo temporary color modification.
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void PopPlotColor(int count = 1);
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// Temporarily modify a style variable of float type
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// Temporarily modify a style variable of float type.
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||||
void PushPlotStyleVar(ImPlotStyleVar idx, float val);
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||||
// Temporarily modify a style variable of int type
|
||||
// Temporarily modify a style variable of int type.
|
||||
void PushPlotStyleVar(ImPlotStyleVar idx, int val);
|
||||
// Undo temporary style modification.
|
||||
void PopPlotStyleVar(int count = 1);
|
||||
|
|
|
|||
|
|
@ -70,9 +70,18 @@ void ShowImPlotDemoWindow(bool* p_open) {
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|||
ImGui::Text("USER GUIDE:");
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||||
ImGui::BulletText("Left click and drag within the plot area to pan X and Y axes.");
|
||||
ImGui::BulletText("Left click and drag on an axis to pan an individual axis.");
|
||||
ImGui::BulletText("Scroll in the plot area to zoom both X any Y axes");
|
||||
ImGui::BulletText("Scroll in the plot area to zoom both X any Y axes.");
|
||||
ImGui::BulletText("Scroll on an axis to zoom an individual axis.");
|
||||
ImGui::BulletText("Right click and drag to box select data.");
|
||||
ImGui::Indent();
|
||||
ImGui::BulletText("Hold Alt to expand box selection horizontally.");
|
||||
ImGui::BulletText("Hold Shift to expand box selection vertically.");
|
||||
ImGui::Unindent();
|
||||
ImGui::BulletText("Middle click (or Ctrl + right click) and drag to create a query range.");
|
||||
ImGui::Indent();
|
||||
ImGui::BulletText("Hold Alt to expand query horizontally.");
|
||||
ImGui::BulletText("Hold Shift to expand query vertically.");
|
||||
ImGui::Unindent();
|
||||
ImGui::BulletText("Double left click to fit all visible data.");
|
||||
ImGui::BulletText("Double right click to open the plot context menu.");
|
||||
ImGui::BulletText("Click legend label icons to show/hide plot items.");
|
||||
|
|
@ -296,17 +305,39 @@ void ShowImPlotDemoWindow(bool* p_open) {
|
|||
}
|
||||
//-------------------------------------------------------------------------
|
||||
if (ImGui::CollapsingHeader("Querying")) {
|
||||
ImGui::BulletText("Click in the plot area to draw");
|
||||
ImGui::BulletText("Ctrl + click in the plot area to draw points.");
|
||||
ImGui::BulletText("Middle click (or Ctrl + right click) and drag to query points.");
|
||||
ImGui::BulletText("Hold the Alt and/or Shift keys to expand the query range.");
|
||||
static ImVector<ImVec2> data;
|
||||
if (ImGui::BeginPlot("##Drawing", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default, 0, 0)) {
|
||||
if (ImGui::IsPlotHovered() && ImGui::IsMouseClicked(0))
|
||||
if (ImGui::BeginPlot("##Drawing", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default, ImAxisFlags_GridLines, ImAxisFlags_GridLines)) {
|
||||
if (ImGui::IsPlotHovered() && ImGui::IsMouseClicked(0) && ImGui::GetIO().KeyCtrl)
|
||||
data.push_back(ImGui::GetPlotMousePos());
|
||||
ImGui::PushPlotStyleVar(ImPlotStyleVar_LineWeight, 0);
|
||||
ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Diamond);
|
||||
if (data.size() > 0)
|
||||
ImGui::Plot("Art", &data[0].x, &data[0].y, data.size(), 0, 2 * sizeof(float));
|
||||
ImGui::PopPlotStyleVar();
|
||||
ImGui::Plot("Points", &data[0].x, &data[0].y, data.size(), 0, 2 * sizeof(float));
|
||||
if (ImGui::IsPlotQueried() && data.size() > 0) {
|
||||
ImPlotRange range = ImGui::GetPlotQuery();
|
||||
int cnt = 0;
|
||||
ImVec2 avg;
|
||||
for (int i = 0; i < data.size(); ++i) {
|
||||
if (range.Contains(data[i])) {
|
||||
avg.x += data[i].x;
|
||||
avg.y += data[i].y;
|
||||
cnt++;
|
||||
}
|
||||
}
|
||||
if (cnt > 0) {
|
||||
avg.x = avg.x / cnt;
|
||||
avg.y = avg.y / cnt;
|
||||
ImGui::Plot("Average", &avg.x, &avg.y, 1);
|
||||
}
|
||||
}
|
||||
ImGui::PopPlotStyleVar(2);
|
||||
ImGui::EndPlot();
|
||||
}
|
||||
ImPlotRange range = ImGui::GetPlotRange();
|
||||
ImGui::Text("The current plot range is: [%g,%g,%g,%g]", range.XMin, range.XMax, range.YMin, range.YMax);
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user