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allwpilib/glass/src/lib/native/cpp/hardware/PDP.cpp

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/*----------------------------------------------------------------------------*/
/* Copyright (c) 2019-2020 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#include "glass/hardware/PDP.h"
#include <algorithm>
#include <cstdio>
#include <imgui.h>
#include "glass/Context.h"
#include "glass/DataSource.h"
#include "glass/support/IniSaverInfo.h"
using namespace glass;
static float DisplayChannel(PDPModel& pdp, int channel) {
float width = 0;
if (auto currentData = pdp.GetCurrentData(channel)) {
ImGui::PushID(channel);
auto& leftInfo = currentData->GetNameInfo();
char name[64];
leftInfo.GetLabel(name, sizeof(name), "", channel);
double val = currentData->GetValue();
ImGui::SetNextItemWidth(ImGui::GetFontSize() * 4);
if (currentData->InputDouble(name, &val, 0, 0, "%.3f"))
pdp.SetCurrent(channel, val);
width = ImGui::GetItemRectSize().x;
leftInfo.PopupEditName(channel);
ImGui::PopID();
}
return width;
}
void glass::DisplayPDP(PDPModel* model, int index) {
char name[128];
std::snprintf(name, sizeof(name), "PDP[%d]", index);
if (CollapsingHeader(name)) {
// temperature
if (auto tempData = model->GetTemperatureData()) {
double value = tempData->GetValue();
ImGui::SetNextItemWidth(ImGui::GetFontSize() * 4);
if (tempData->InputDouble("Temp", &value, 0, 0, "%.3f")) {
model->SetTemperature(value);
}
}
// voltage
if (auto voltageData = model->GetVoltageData()) {
double value = voltageData->GetValue();
ImGui::SetNextItemWidth(ImGui::GetFontSize() * 4);
if (voltageData->InputDouble("Voltage", &value, 0, 0, "%.3f")) {
model->SetVoltage(value);
}
}
// channel currents; show as two columns laid out like PDP
const int numChannels = model->GetNumChannels();
ImGui::Text("Channel Current (A)");
ImGui::Columns(2, "channels", false);
float maxWidth = ImGui::GetFontSize() * 13;
for (int left = 0, right = numChannels - 1; left < right; ++left, --right) {
float leftWidth = DisplayChannel(*model, left);
ImGui::NextColumn();
float rightWidth = DisplayChannel(*model, right);
ImGui::NextColumn();
float width =
(std::max)(leftWidth, rightWidth) * 2 + ImGui::GetFontSize() * 4;
if (width > maxWidth) maxWidth = width;
}
ImGui::Columns(1);
ImGui::Dummy(ImVec2(maxWidth, 0));
}
}
void glass::DisplayPDPs(PDPsModel* model, wpi::StringRef noneMsg) {
bool hasAny = false;
model->ForEachPDP([&](PDPModel& pdp, int i) {
hasAny = true;
PushID(i);
DisplayPDP(&pdp, i);
PopID();
});
if (!hasAny && !noneMsg.empty())
ImGui::TextUnformatted(noneMsg.begin(), noneMsg.end());
}