gwm17/implot
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tidy up ozlb axis hovering work

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This commit is contained in:
Evan Pezent 2020-07-26 21:28:22 -05:00
parent db38039e97
commit 9815d64691
2 changed files with 49 additions and 43 deletions
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74
implot.cpp
View File

@ -193,12 +193,9 @@ inline T Remap(T x, T x0, T x1, T y0, T y1) {
return y0 + (x - x0) * (y1 - y0) / (x1 - x0);
}
// Returns always positive modulo
// Returns always positive modulo (r != 0)
inline int PosMod(int l, int r) {
if (r == 0)
return 0;
else
return (l % r + r) % r;
return (l % r + r) % r;
}
// Returns the intersection point of two lines A and B (assumes they are not parallel!)
@ -1041,13 +1038,10 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
ImRect yAxisRegion_bb[MAX_Y_AXES];
yAxisRegion_bb[0] = ImRect(ImVec2(gp.BB_Frame.Min.x, gp.BB_Plot.Min.y), ImVec2(gp.BB_Plot.Min.x + 6, gp.BB_Plot.Max.y - 10));
// The auxiliary y axes are off to the right of the BB grid.
yAxisRegion_bb[1] = ImRect(ImVec2(gp.BB_Plot.Max.x - 6, gp.BB_Plot.Min.y),
gp.BB_Plot.Max + ImVec2(y_axis_pad(1), 0));
yAxisRegion_bb[2] = ImRect(ImVec2(gp.AxisLabelReference[2] - 6, gp.BB_Plot.Min.y),
yAxisRegion_bb[1].Max + ImVec2(y_axis_pad(2), 0));
yAxisRegion_bb[1] = ImRect(ImVec2(gp.BB_Plot.Max.x - 6, gp.BB_Plot.Min.y), gp.BB_Plot.Max + ImVec2(y_axis_pad(1), -10));
yAxisRegion_bb[2] = ImRect(ImVec2(gp.AxisLabelReference[2] - 6, gp.BB_Plot.Min.y), yAxisRegion_bb[1].Max + ImVec2(y_axis_pad(2), -10));
ImRect centralRegion(ImVec2(gp.BB_Plot.Min.x + 6, gp.BB_Plot.Min.y),
ImVec2(gp.BB_Plot.Max.x - 6, gp.BB_Plot.Max.y));
ImRect centralRegion(ImVec2(gp.BB_Plot.Min.x + 6, gp.BB_Plot.Min.y), ImVec2(gp.BB_Plot.Max.x - 6, gp.BB_Plot.Max.y));
plot.YAxis[0].Hovered = gp.Y[0].Present && (yAxisRegion_bb[0].Contains(IO.MousePos) || centralRegion.Contains(IO.MousePos));
plot.YAxis[1].Hovered = gp.Y[1].Present && (yAxisRegion_bb[1].Contains(IO.MousePos) || centralRegion.Contains(IO.MousePos));
@ -1369,7 +1363,6 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
DrawList.AddText(xLabel_pos, gp.Col_X.Txt, x_label);
}
ImGui::PushClipRect(gp.BB_Frame.Min, gp.BB_Frame.Max, true);
bool yAxisAllOvered = plot.YAxis[0].Hovered && plot.YAxis[1].Hovered && plot.YAxis[2].Hovered;
for (int i = 0; i < MAX_Y_AXES; i++) {
if (gp.Y[i].Present && HasFlag(plot.YAxis[i].Flags, ImPlotAxisFlags_TickLabels)) {
for (int t = 0; t < gp.YTicks[i].Size; t++) {
@ -1381,9 +1374,6 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
}
}
}
if (plot.YAxis[i].Hovered && !yAxisAllOvered && ImGui::IsDragDropPayloadBeingAccepted()) {
DrawList.AddRect(yAxisRegion_bb[i].Min, yAxisRegion_bb[i].Max, ImGui::GetColorU32(ImGuiCol_DragDropTarget));
}
}
ImGui::PopClipRect();
if (y_label) {
@ -1392,8 +1382,6 @@ bool BeginPlot(const char* title, const char* x_label, const char* y_label, cons
AddTextVertical(&DrawList, y_label, yLabel_pos, gp.Col_Y[0].Txt);
}
// PREP -------------------------------------------------------------------
// push plot ID into stack
ImGui::PushID(ID);
return true;
@ -1602,20 +1590,20 @@ void EndPlot() {
if (!gp.Y[i].Present) { continue; }
axis_count++;
if (!HasFlag(plot.YAxis[i].Flags, ImPlotAxisFlags_TickMarks)) { continue; }
float x_start = gp.AxisLabelReference[i];
float direction = (i == 0) ? 1.0f : -1.0f;
bool no_major = axis_count >= 3;
if (HasFlag(plot.YAxis[i].Flags, ImPlotAxisFlags_TickMarks)) {
float direction = (i == 0) ? 1.0f : -1.0f;
bool no_major = axis_count >= 3;
for (int t = 0; t < gp.YTicks[i].Size; t++) {
ImPlotTick *yt = &gp.YTicks[i][t];
ImVec2 start = ImVec2(x_start, yt->PixelPos);
for (int t = 0; t < gp.YTicks[i].Size; t++) {
ImPlotTick *yt = &gp.YTicks[i][t];
ImVec2 start = ImVec2(x_start, yt->PixelPos);
DrawList.AddLine(
start,
start + ImVec2(direction * ((!no_major && yt->Major) ? 10.0f : 5.0f), 0),
gp.Col_Border, 1);
DrawList.AddLine(
start,
start + ImVec2(direction * ((!no_major && yt->Major) ? 10.0f : 5.0f), 0),
gp.Col_Border, 1);
}
}
if (axis_count >= 3) {
@ -1628,6 +1616,23 @@ void EndPlot() {
}
ImGui::PopClipRect();
// render y-axis drag/drop hover
if (ImGui::IsDragDropPayloadBeingAccepted()) {
ImRect bb_plot_pad = gp.BB_Plot;
bb_plot_pad.Min.x += 5; bb_plot_pad.Max.x -= 5;
if (!bb_plot_pad.Contains(IO.MousePos)) {
for (int i = 0; i < MAX_Y_AXES; ++i) {
if (plot.YAxis[i].Hovered) {
float x_loc = gp.AxisLabelReference[i];
ImVec2 p1(x_loc - 5, gp.BB_Plot.Min.y - 5);
ImVec2 p2(x_loc + 5, gp.BB_Plot.Max.y + 5);
DrawList.AddRect(p1, p2, ImGui::GetColorU32(ImGuiCol_DragDropTarget), 0.0f, ImDrawCornerFlags_All, 2.0f);
}
}
}
}
PushPlotClipRect();
// render selection/query
if (plot.Selecting) {
@ -1903,15 +1908,17 @@ bool IsPlotHovered() {
bool IsPlotXAxisHovered() {
IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "IsPlotXAxisHovered() needs to be called between BeginPlot() and EndPlot()!");
return gp.CurrentPlot->XAxis.Hovered;
ImRect bb_plot_pad = gp.BB_Plot; bb_plot_pad.Max.y -= 5;
return gp.CurrentPlot->XAxis.Hovered && !bb_plot_pad.Contains(ImGui::GetMousePos());
}
bool IsPlotYAxisHovered(int y_axis_in) {
IM_ASSERT_USER_ERROR(y_axis_in >= -1 && y_axis_in < MAX_Y_AXES, "y_axis needs to between -1 and MAX_Y_AXES");
IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "IsPlotYAxisHovered() needs to be called between BeginPlot() and EndPlot()!");
const int y_axis = y_axis_in >= 0 ? y_axis_in : gp.CurrentPlot->CurrentYAxis;
bool yAxisAllOvered = gp.CurrentPlot->YAxis[0].Hovered && gp.CurrentPlot->YAxis[1].Hovered && gp.CurrentPlot->YAxis[2].Hovered;
return !yAxisAllOvered && gp.CurrentPlot->YAxis[y_axis].Hovered;
ImRect bb_plot_pad = gp.BB_Plot;
bb_plot_pad.Min.x += 5; bb_plot_pad.Max.x -= 5;
return gp.CurrentPlot->YAxis[y_axis].Hovered && !!bb_plot_pad.Contains(ImGui::GetMousePos());
}
ImPlotPoint GetPlotMousePos(int y_axis_in) {
@ -1957,11 +1964,10 @@ ImPlotLimits GetPlotQuery(int y_axis_in) {
return result;
}
bool IsPlotItemHighlight(const char* label_id) {
bool IsPlotItemHighlighted(const char* label_id) {
IM_ASSERT_USER_ERROR(gp.CurrentPlot != NULL, "IsPlotItemHighlight() needs to be called between BeginPlot() and EndPlot()!");
ImGuiID id = ImGui::GetID(label_id);
ImPlotItem* item = gp.CurrentPlot->Items.GetOrAddByKey(id);
ImPlotItem* item = gp.CurrentPlot->Items.GetByKey(id);
if (item && item->Highlight)
return true;
else

18
implot.h
View File

@ -288,22 +288,22 @@ void PlotText(const char* text, double x, double y, bool vertical = false, const
// Plot Queries
//-----------------------------------------------------------------------------
// Returns true if the plot area in the current or most recent plot is hovered.
// Returns true if the plot area in the current plot is hovered.
bool IsPlotHovered();
// Returns true if the XAxis plot area in the current or most recent plot is hovered.
// Returns true if the XAxis plot area in the current plot is hovered.
bool IsPlotXAxisHovered();
// Returns true if the YAxis[n] plot area in the current or most recent plot is hovered.
// Returns true if the YAxis[n] plot area in the current plot is hovered.
bool IsPlotYAxisHovered(int y_axis = 0);
// Returns the mouse position in x,y coordinates of the current or most recent plot. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
// Returns the mouse position in x,y coordinates of the current plot. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
ImPlotPoint GetPlotMousePos(int y_axis = -1);
// Returns the current or most recent plot axis range. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
// Returns the current plot axis range. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
ImPlotLimits GetPlotLimits(int y_axis = -1);
// Returns true if the current or most recent plot is being queried.
// Returns true if the current plot is being queried.
bool IsPlotQueried();
// Returns the current or most recent plot query bounds.
// Returns the current plot query bounds.
ImPlotLimits GetPlotQuery(int y_axis = -1);
// Returns true if plot item is highlight
bool IsPlotItemHighlight(const char* label_id);
// Returns true if plot item is highlighted (i.e. legend entry is hovered)
bool IsPlotItemHighlighted(const char* label_id);
//-----------------------------------------------------------------------------
// Plot Input Mapping