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Added prototype/rough-attempt to allow remapping input (mouse-buttons/modifiers-keys).

This commit is contained in:
Jaap Suter 2020-06-10 13:50:00 -07:00
parent 77753f6ce0
commit 7f4f3ecd21
2 changed files with 91 additions and 19 deletions

View File

@ -811,6 +811,46 @@ struct ImPlotAxisScale {
ImPlotPoint Min, Max;
};
//-----------------------------------------------------------------------------
// Input Mapping
//-----------------------------------------------------------------------------
static ImPlotInputMap GetInputMapDefault() {
ImPlotInputMap i{};
i.PanButton = ImGuiMouseButton_Left;
i.PanMod = ImGuiKeyModFlags_None;
i.BoxSelectButton = ImGuiMouseButton_Right;
i.BoxSelectMod = ImGuiKeyModFlags_None;
i.BoxCancelButton = ImGuiMouseButton_Left;
i.QueryClickButton = ImGuiMouseButton_Left;
i.QueryClickMod = ImGuiKeyModFlags_Ctrl;
i.QueryDragButton = ImGuiMouseButton_Middle;
i.QueryDragMod = ImGuiKeyModFlags_None;
i.QueryDragButton2 = ImGuiMouseButton_Right;
i.QueryDragMod2 = ImGuiKeyModFlags_Ctrl;
i.HorizontalSizeMod = ImGuiKeyModFlags_Alt;
i.VerticalSizeMod = ImGuiKeyModFlags_Shift;
return i;
};
// Global input mapping
static ImPlotInputMap gi = GetInputMapDefault();
ImPlotInputMap SetInputMap(const ImPlotInputMap& inputMap) {
ImPlotInputMap prevInputMap = gi;
gi = inputMap;
return prevInputMap;
}
//-----------------------------------------------------------------------------
// BeginPlot()
//-----------------------------------------------------------------------------
@ -1074,7 +1114,7 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
}
// QUERY DRAG -------------------------------------------------------------
if (plot.DraggingQuery && (IO.MouseReleased[0] || !IO.MouseDown[0])) {
if (plot.DraggingQuery && (IO.MouseReleased[gi.PanButton] || !IO.MouseDown[gi.PanButton])) {
plot.DraggingQuery = false;
}
if (plot.DraggingQuery) {
@ -1085,7 +1125,7 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
if (gp.Hov_Frame && gp.Hov_Plot && hov_query && !plot.DraggingQuery && !plot.Selecting && !hov_legend) {
ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeAll);
const bool any_y_dragging = plot.YAxis[0].Dragging || plot.YAxis[1].Dragging || plot.YAxis[2].Dragging;
if (IO.MouseDown[0] && !plot.XAxis.Dragging && !any_y_dragging) {
if (IO.MouseDown[gi.PanButton] && !plot.XAxis.Dragging && !any_y_dragging) {
plot.DraggingQuery = true;
}
}
@ -1093,12 +1133,12 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
// DRAG INPUT -------------------------------------------------------------
// end drags
if (plot.XAxis.Dragging && (IO.MouseReleased[0] || !IO.MouseDown[0])) {
if (plot.XAxis.Dragging && (IO.MouseReleased[gi.PanButton] || !IO.MouseDown[gi.PanButton])) {
plot.XAxis.Dragging = false;
G.IO.MouseDragMaxDistanceSqr[0] = 0;
}
for (int i = 0; i < MAX_Y_AXES; i++) {
if (plot.YAxis[i].Dragging && (IO.MouseReleased[0] || !IO.MouseDown[0])) {
if (plot.YAxis[i].Dragging && (IO.MouseReleased[gi.PanButton] || !IO.MouseDown[gi.PanButton])) {
plot.YAxis[i].Dragging = false;
G.IO.MouseDragMaxDistanceSqr[0] = 0;
}
@ -1155,7 +1195,7 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
}
}
// start drag
if (!drag_in_progress && gp.Hov_Frame && IO.MouseClicked[0] && !plot.Selecting && !hov_legend && !hov_query && !plot.DraggingQuery) {
if (!drag_in_progress && gp.Hov_Frame && IO.MouseClicked[gi.PanButton] && IO.KeyMods == gi.PanMod && !plot.Selecting && !hov_legend && !hov_query && !plot.DraggingQuery) {
if (hov_x_axis_region) {
plot.XAxis.Dragging = true;
}
@ -1201,22 +1241,22 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
// BOX-SELECTION AND QUERY ------------------------------------------------
// confirm selection
if (plot.Selecting && (IO.MouseReleased[1] || !IO.MouseDown[1])) {
if (plot.Selecting && (IO.MouseReleased[gi.BoxSelectButton] || !IO.MouseDown[gi.BoxSelectButton])) {
UpdateTransformCache();
ImVec2 select_size = plot.SelectStart - IO.MousePos;
if (HasFlag(plot.Flags, ImPlotFlags_BoxSelect) && ImFabs(select_size.x) > 2 && ImFabs(select_size.y) > 2) {
ImPlotPoint p1 = PixelsToPlot(plot.SelectStart);
ImPlotPoint p2 = PixelsToPlot(IO.MousePos);
if (!gp.X.LockMin && !IO.KeyAlt)
if (!gp.X.LockMin && IO.KeyMods != gi.HorizontalSizeMod)
plot.XAxis.Range.Min = ImMin(p1.x, p2.x);
if (!gp.X.LockMax && !IO.KeyAlt)
if (!gp.X.LockMax && IO.KeyMods != gi.HorizontalSizeMod)
plot.XAxis.Range.Max = ImMax(p1.x, p2.x);
for (int i = 0; i < MAX_Y_AXES; i++) {
p1 = PixelsToPlot(plot.SelectStart, i);
p2 = PixelsToPlot(IO.MousePos, i);
if (!gp.Y[i].LockMin && !IO.KeyShift)
if (!gp.Y[i].LockMin && IO.KeyMods != gi.VerticalSizeMod)
plot.YAxis[i].Range.Min = ImMin(p1.y, p2.y);
if (!gp.Y[i].LockMax && !IO.KeyShift)
if (!gp.Y[i].LockMax && IO.KeyMods != gi.VerticalSizeMod)
plot.YAxis[i].Range.Max = ImMax(p1.y, p2.y);
}
}
@ -1227,21 +1267,21 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
ImGui::SetMouseCursor(ImGuiMouseCursor_NotAllowed);
}
// cancel selection
if (plot.Selecting && (IO.MouseClicked[0] || IO.MouseDown[0])) {
if (plot.Selecting && (IO.MouseClicked[gi.BoxCancelButton] || IO.MouseDown[gi.BoxCancelButton])) {
plot.Selecting = false;
}
// begin selection or query
if (gp.Hov_Frame && gp.Hov_Plot && IO.MouseClicked[1]) {
if (gp.Hov_Frame && gp.Hov_Plot && IO.MouseClicked[gi.BoxSelectButton] && IO.KeyMods == gi.BoxSelectMod) {
plot.SelectStart = IO.MousePos;
plot.Selecting = true;
}
// update query
if (plot.Querying) {
UpdateTransformCache();
plot.QueryRect.Min.x = IO.KeyAlt ? gp.BB_Plot.Min.x : ImMin(plot.QueryStart.x, IO.MousePos.x);
plot.QueryRect.Max.x = IO.KeyAlt ? gp.BB_Plot.Max.x : ImMax(plot.QueryStart.x, IO.MousePos.x);
plot.QueryRect.Min.y = IO.KeyShift ? gp.BB_Plot.Min.y : ImMin(plot.QueryStart.y, IO.MousePos.y);
plot.QueryRect.Max.y = IO.KeyShift ? gp.BB_Plot.Max.y : ImMax(plot.QueryStart.y, IO.MousePos.y);
plot.QueryRect.Min.x = IO.KeyMods == gi.HorizontalSizeMod ? gp.BB_Plot.Min.x : ImMin(plot.QueryStart.x, IO.MousePos.x);
plot.QueryRect.Max.x = IO.KeyMods == gi.HorizontalSizeMod ? gp.BB_Plot.Max.x : ImMax(plot.QueryStart.x, IO.MousePos.x);
plot.QueryRect.Min.y = IO.KeyMods == gi.HorizontalSizeMod ? gp.BB_Plot.Min.y : ImMin(plot.QueryStart.y, IO.MousePos.y);
plot.QueryRect.Max.y = IO.KeyMods == gi.HorizontalSizeMod ? gp.BB_Plot.Max.y : ImMax(plot.QueryStart.y, IO.MousePos.y);
plot.QueryRect.Min -= gp.BB_Plot.Min;
plot.QueryRect.Max -= gp.BB_Plot.Min;
@ -1256,22 +1296,28 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
plot.Queried = false;
}
}
const bool isSelectInput = IO.MouseDown[gi.BoxSelectButton] && IO.KeyMods == gi.BoxSelectButton;
const bool isQueryInput = (IO.MouseDown[gi.QueryDragButton] && IO.KeyMods == gi.QueryDragMod) || (IO.MouseDown[gi.QueryDragButton2] && IO.KeyMods == gi.QueryDragMod2);
const bool isQueryInputBegin = (IO.MouseClicked[gi.QueryDragButton] && IO.KeyMods == gi.QueryDragMod) || (IO.MouseClicked[gi.QueryDragButton2] && IO.KeyMods == gi.QueryDragMod2);
// begin query
if (HasFlag(plot.Flags, ImPlotFlags_Query) && (gp.Hov_Frame && gp.Hov_Plot && IO.MouseClicked[2])) {
if (HasFlag(plot.Flags, ImPlotFlags_Query) && (gp.Hov_Frame && gp.Hov_Plot && isQueryInputBegin)) {
plot.QueryRect = ImRect(0,0,0,0);
plot.Querying = true;
plot.Queried = true;
plot.QueryStart = IO.MousePos;
}
// toggle between select/query
if (HasFlag(plot.Flags, ImPlotFlags_Query) && plot.Selecting && IO.KeyCtrl) {
if (HasFlag(plot.Flags, ImPlotFlags_Query) && plot.Selecting && isQueryInput) {
plot.Selecting = false;
plot.QueryRect = ImRect(0,0,0,0);
plot.Querying = true;
plot.Queried = true;
plot.QueryStart = plot.SelectStart;
}
if (HasFlag(plot.Flags, ImPlotFlags_BoxSelect) && plot.Querying && !IO.KeyCtrl && !IO.MouseDown[2]) {
if (HasFlag(plot.Flags, ImPlotFlags_BoxSelect) && plot.Querying && isSelectInput) {
plot.Selecting = true;
plot.Querying = false;
plot.Queried = false;

View File

@ -172,12 +172,38 @@ struct ImPlotStyle {
ImPlotStyle();
};
// Input mapping structure. Comments show the default input mapping.
struct ImPlotInputMap {
ImGuiMouseButton PanButton; // left mouse
ImGuiKeyModFlags PanMod; // none
ImGuiMouseButton BoxSelectButton; // right mouse
ImGuiKeyModFlags BoxSelectMod; // none
ImGuiMouseButton BoxCancelButton; // left mouse
ImGuiMouseButton QueryClickButton; // left mouse
ImGuiKeyModFlags QueryClickMod; // ctrl
ImGuiMouseButton QueryDragButton; // middle mouse
ImGuiKeyModFlags QueryDragMod; // none
ImGuiMouseButton QueryDragButton2; // right mouse, alternative way to query drag, useful when middle mouse is not available
ImGuiKeyModFlags QueryDragMod2; // ctrl
ImGuiKeyModFlags HorizontalSizeMod; // alt
ImGuiKeyModFlags VerticalSizeMod; // shift
};
//-----------------------------------------------------------------------------
// Begin/End Plot
//-----------------------------------------------------------------------------
namespace ImPlot {
// Overrides the input mapping. Returns the previous input mapping.
ImPlotInputMap SetInputMap(const ImPlotInputMap& inputMap);
// Starts a 2D plotting context. If this function returns true, EndPlot() must
// be called, e.g. "if (BeginPlot(...)) { ... EndPlot(); }"". #title_id must
// be unique. If you need to avoid ID collisions or don't want to display a