130 lines
4.0 KiB
C++
130 lines
4.0 KiB
C++
#include "midi.h"
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#include "launcher/launcher.h"
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#include "util/logging.h"
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namespace overlay::windows {
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static std::string midi_cmd_str(uint8_t cmd) {
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const char *name = "UNKNOWN";
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switch (cmd) {
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case 0x8:
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name = "NOTE OFF";
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break;
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case 0x9:
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name = "NOTE ON";
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break;
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case 0xA:
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name = "POLY.PRESS.";
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break;
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case 0xB:
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name = "CTRL CHANGE";
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break;
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case 0xC:
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name = "PRG CHANGE";
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break;
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case 0xD:
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name = "CHAN.PRESS.";
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break;
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case 0xE:
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name = "PITCH BEND";
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break;
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case 0xF:
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name = "SYSTEM";
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break;
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}
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return fmt::format("{} (0x{:2X})", name, cmd);
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}
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MIDIWindow::MIDIWindow(SpiceOverlay *overlay) : Window(overlay) {
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this->title = "MIDI Control";
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this->init_size = ImVec2(
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ImGui::GetIO().DisplaySize.x * 0.8f,
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ImGui::GetIO().DisplaySize.y * 0.8f);
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this->size_min = ImVec2(250, 200);
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this->init_pos = ImVec2(
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ImGui::GetIO().DisplaySize.x / 2 - this->init_size.x / 2,
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ImGui::GetIO().DisplaySize.y / 2 - this->init_size.y / 2);
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this->active = true;
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// add hook for receiving midi messages
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RI_MGR->add_callback_midi(this, MIDIWindow::midi_hook);
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}
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MIDIWindow::~MIDIWindow() {
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RI_MGR->remove_callback_midi(this, MIDIWindow::midi_hook);
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}
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void MIDIWindow::build_content() {
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// reset button
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if (ImGui::Button("Reset")) {
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this->midi_data.clear();
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}
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// autoscroll checkbox
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ImGui::SameLine();
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ImGui::Checkbox("Autoscroll", &this->autoscroll);
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// log section
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ImGui::BeginChild("MidiLog", ImVec2(), false);
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// header
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ImGui::Columns(5, "MidiLogColumns", true);
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ImGui::TextColored(ImVec4(1.f, 0.7f, 0, 1), "Device"); ImGui::NextColumn();
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ImGui::TextColored(ImVec4(1.f, 0.7f, 0, 1), "Command"); ImGui::NextColumn();
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ImGui::TextColored(ImVec4(1.f, 0.7f, 0, 1), "Channel"); ImGui::NextColumn();
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ImGui::TextColored(ImVec4(1.f, 0.7f, 0, 1), "Data 1"); ImGui::NextColumn();
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ImGui::TextColored(ImVec4(1.f, 0.7f, 0, 1), "Data 2"); ImGui::NextColumn();
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// data
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ImGui::Separator();
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for (auto &data : this->midi_data) {
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// set color
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srand(data.device->id * 2111);
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float hue = ((float) rand()) / ((float) RAND_MAX);
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ImGui::PushStyleColor(ImGuiCol_Text, ImColor::HSV(hue, 0.8f, 0.8f, 1.f).Value);
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// data cells
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ImGui::Text("%i: %s", (int) data.device->id, data.device->desc.c_str());
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ImGui::NextColumn();
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ImGui::Text("%s", midi_cmd_str(data.cmd).c_str());
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ImGui::NextColumn();
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ImGui::Text("0x%02X - %i", data.ch, data.ch);
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ImGui::NextColumn();
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ImGui::Text("0x%02X", data.b1);
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ImGui::NextColumn();
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ImGui::Text("0x%02X", data.b2);
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ImGui::NextColumn();
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// clean up
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ImGui::PopStyleColor();
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}
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// autoscroll
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if (this->autoscroll_apply) {
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this->autoscroll_apply = false;
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ImGui::SetScrollHereY(1.f);
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}
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// clean up section
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ImGui::Columns();
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ImGui::EndChild();
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}
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void MIDIWindow::midi_hook(void *user, rawinput::Device *device,
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uint8_t cmd, uint8_t ch, uint8_t b1, uint8_t b2) {
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auto This = (MIDIWindow*) user;
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This->midi_data.emplace_back(MIDIData {
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.device = device,
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.cmd = cmd,
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.ch = ch,
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.b1 = b1,
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.b2 = b2,
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});
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if (This->autoscroll) {
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This->autoscroll_apply = true;
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}
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}
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}
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