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tidy up legend context menus

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This commit is contained in:
epezent 2020-09-01 01:14:09 -05:00
parent 8cbbfc241f
commit 9e82be5bff
3 changed files with 48 additions and 15 deletions
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6
implot.cpp
View File

@ -1892,7 +1892,7 @@ void EndLegendDragDropSource() {
ImGui::EndDragDropSource(); ImGui::EndDragDropSource();
} }
bool BeginPopupContextLegend(const char* label_id, ImGuiMouseButton mouse_button) { bool BeginLegendPopup(const char* label_id, ImGuiMouseButton mouse_button) {
ImPlotContext& gp = *GImPlot; ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "BeginLegendPopup() needs to be called between BeginPlot() and EndPlot()!"); IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "BeginLegendPopup() needs to be called between BeginPlot() and EndPlot()!");
ImGuiWindow* window = GImGui->CurrentWindow; ImGuiWindow* window = GImGui->CurrentWindow;
@ -1901,13 +1901,13 @@ bool BeginPopupContextLegend(const char* label_id, ImGuiMouseButton mouse_button
ImGuiID id = ImGui::GetID(label_id); ImGuiID id = ImGui::GetID(label_id);
if (ImGui::IsMouseReleased(mouse_button)) { if (ImGui::IsMouseReleased(mouse_button)) {
ImPlotItem* item = gp.CurrentPlot->Items.GetByKey(id); ImPlotItem* item = gp.CurrentPlot->Items.GetByKey(id);
if (item && item->Highlight) if (item && item->LegendHovered)
ImGui::OpenPopupEx(id); ImGui::OpenPopupEx(id);
} }
return ImGui::BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings); return ImGui::BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings);
} }
void EndPopup() { void EndLegendPopup() {
ImGui::EndPopup(); ImGui::EndPopup();
} }

5
implot.h
View File

@ -521,11 +521,10 @@ bool IsLegendEntryHovered(const char* label_id);
bool BeginLegendDragDropSource(const char* label_id, ImGuiDragDropFlags flags = 0); bool BeginLegendDragDropSource(const char* label_id, ImGuiDragDropFlags flags = 0);
// End legend drag and drop source. // End legend drag and drop source.
void EndLegendDragDropSource(); void EndLegendDragDropSource();
// Begin a popup for a legend entry. // Begin a popup for a legend entry.
bool BeginPopupContextLegend(const char* label_id, ImGuiMouseButton mouse_button = 1); bool BeginLegendPopup(const char* label_id, ImGuiMouseButton mouse_button = 1);
// End a popup for a legend entry. // End a popup for a legend entry.
void EndPopup(); void EndLegendPopup();
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Miscellaneous // Miscellaneous

52
implot_demo.cpp
View File

@ -237,19 +237,10 @@ void ShowDemoWindow(bool* p_open) {
ys2[i] = xs2[i] * xs2[i]; ys2[i] = xs2[i] * xs2[i];
} }
ImGui::BulletText("Anti-aliasing can be enabled from the plot's context menu (see Help)."); ImGui::BulletText("Anti-aliasing can be enabled from the plot's context menu (see Help).");
ImGui::BulletText("Right click on a legend item to bring up its context menu");
if (ImPlot::BeginPlot("Line Plot", "x", "f(x)")) { if (ImPlot::BeginPlot("Line Plot", "x", "f(x)")) {
ImPlot::PlotLine("sin(x)", xs1, ys1, 1001); ImPlot::PlotLine("sin(x)", xs1, ys1, 1001);
ImPlot::SetNextMarkerStyle(ImPlotMarker_Circle); ImPlot::SetNextMarkerStyle(ImPlotMarker_Circle);
ImPlot::PlotLine("x^2", xs2, ys2, 11); ImPlot::PlotLine("x^2", xs2, ys2, 11);
if (ImPlot::BeginPopupContextLegend("sin(x)")) {
ImGui::Text("Context menu for sin(x)");
ImPlot::EndPopup();
}
if (ImPlot::BeginPopupContextLegend("x^2")) {
ImGui::Text("Context menu for x^2");
ImPlot::EndPopup();
}
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
} }
@ -1053,6 +1044,49 @@ void ShowDemoWindow(bool* p_open) {
} }
} }
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Custom Context Menus")) {
ImGui::BulletText("You can implement legend context menus to inject per-item controls and widgets.");
ImGui::BulletText("Right click the legend label/icon to edit custom item attributes.");
static float frequency = 0.1;
static float amplitude = 0.5f;
static ImVec4 color = ImVec4(1,1,0,1);
static bool line = false;
static float thickness = 1;
static bool markers = false;
static t_float vals[101];
for (int i = 0; i < 101; ++i)
vals[i] = amplitude * Sin(frequency * i);
ImPlot::SetNextPlotLimits(0,100,-1,1);
if (ImPlot::BeginPlot("Right Click the Legend")) {
if (!line) {
ImPlot::SetNextFillStyle(color);
ImPlot::PlotBars("Right Click Me", vals, 101);
}
else {
if (markers) ImPlot::SetNextMarkerStyle(ImPlotMarker_Circle);
ImPlot::SetNextLineStyle(color, thickness);
ImPlot::PlotLine("Right Click Me", vals, 101);
}
// custom legend context menu
if (ImPlot::BeginLegendPopup("Right Click Me")) {
ImGui::DragFloat("Frequency",&frequency,0.01f,0,1);
ImGui::DragFloat("Amplitude",&amplitude,0.01f,0,1);
ImGui::Separator();
ImGui::ColorEdit4("Color",&color.x);
ImGui::Checkbox("Line Graph", &line);
if (line) {
ImGui::DragFloat("Thickness", &thickness, 0.1f, 0, 5);
ImGui::Checkbox("Markers", &markers);
}
ImPlot::EndLegendPopup();
}
ImPlot::EndPlot();
}
}
//-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Custom Plotters and Tooltips")) { if (ImGui::CollapsingHeader("Custom Plotters and Tooltips")) {
ImGui::BulletText("You can create custom plotters or extend ImPlot using implot_internal.h."); ImGui::BulletText("You can create custom plotters or extend ImPlot using implot_internal.h.");
double dates[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217}; double dates[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217};