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ReSkate/Launcher/Test/gamepad_input_tests.cpp
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// Controller input in the launcher: focus, back, the trackpad pointer and its click,
// checked through real ImGui frames.
#include "Launcher/gamepad_input.h"
#include <imgui.h>
#include <imgui_internal.h>
#include <cmath>
#include <iostream>
#include <map>
#include <optional>
#include <string>
using dingosdk::launcher_gui::PadFeed;
using dingosdk::launcher_gui::PadState;
namespace {
int failures = 0;
void check(bool condition, const char* what) {
if (condition) return;
std::cerr << "FAIL: " << what << '\n';
++failures;
}
constexpr std::uint16_t dpad_up = 0x0001, dpad_left = 0x0004;
constexpr std::uint16_t dpad_down = 0x0002, dpad_right = 0x0008, right_thumb = 0x0080, button_a = 0x1000, button_b = 0x2000;
struct Seen {
std::string pressed; // the button that reported a press this frame
bool escape{};
bool menu_open{};
float list_scroll{};
};
// One launcher frame: the pad goes in before NewFrame, as gui.cpp does it.
// Two buttons stacked at the top left, and a menu popup opened on request.
Seen frame(PadFeed& feed, const PadState& pad, bool open_menu = false, bool panels = false, bool list = false) {
auto& io = ImGui::GetIO();
io.DisplaySize = ImVec2(800, 600);
io.DeltaTime = 1.0f / 60.0f;
feed.update(io, pad, 1.0f);
ImGui::NewFrame();
feed.after_new_frame();
Seen seen;
ImGui::SetNextWindowPos(ImVec2(0, 0));
ImGui::SetNextWindowSize(ImVec2(800, 600));
ImGui::Begin("##root", nullptr, ImGuiWindowFlags_NoDecoration);
ImGui::SetCursorScreenPos(ImVec2(100, 100));
if (ImGui::InvisibleButton("first", ImVec2(200, 50), ImGuiButtonFlags_EnableNav)) seen.pressed = "first";
ImGui::SetCursorScreenPos(ImVec2(100, 200));
if (ImGui::InvisibleButton("second", ImVec2(200, 50), ImGuiButtonFlags_EnableNav)) seen.pressed = "second";
if (panels) {
// A page's rail and content, side by side, as Settings and Mods lay them out.
ImGui::SetCursorScreenPos(ImVec2(400, 200));
ImGui::BeginChild("##rail", ImVec2(150, 200), ImGuiChildFlags_NavFlattened);
if (ImGui::Button("tab", ImVec2(120, 40))) seen.pressed = "tab";
ImGui::EndChild();
ImGui::SetCursorScreenPos(ImVec2(580, 200));
ImGui::BeginChild("##content", ImVec2(200, 200), ImGuiChildFlags_NavFlattened);
if (ImGui::Button("option", ImVec2(120, 40))) seen.pressed = "option";
ImGui::EndChild();
}
if (list) {
// A long list in a panel, like GET MODS.
ImGui::SetCursorScreenPos(ImVec2(400, 100));
ImGui::BeginChild("##list", ImVec2(300, 200), ImGuiChildFlags_NavFlattened);
for (int row = 0; row < 30; ++row) {
ImGui::PushID(row);
if (ImGui::Selectable("##row", false, 0, ImVec2(280, 40))) seen.pressed = "row " + std::to_string(row);
ImGui::PopID();
}
seen.list_scroll = ImGui::GetScrollY();
ImGui::EndChild();
}
if (open_menu) ImGui::OpenPopup("##menu");
if (ImGui::BeginPopup("##menu")) {
seen.menu_open = true;
ImGui::MenuItem("Details");
ImGui::EndPopup();
}
seen.escape = ImGui::IsKeyPressed(ImGuiKey_Escape, false);
ImGui::End();
ImGui::Render();
return seen;
}
PadState pad(std::uint16_t buttons = 0, std::int16_t right_x = 0, std::int16_t right_y = 0, std::int16_t left_y = 0) {
PadState state;
state.left_y = left_y;
state.connected = true;
state.buttons = buttons;
state.right_x = right_x;
state.right_y = right_y;
return state;
}
// Presses and lets go, returning what the frames saw.
std::string press(PadFeed& feed, std::uint16_t button) {
std::string pressed = frame(feed, pad(button)).pressed;
const auto released = frame(feed, pad()).pressed;
return pressed.empty() ? released : pressed;
}
// The install progress, drawn over the Mod manager while this is set.
bool g_installing = false;
// The Mod manager's layout: a rail of tabs beside a list whose rows carry
// buttons, the rail's tiles level with the gaps between rows.
std::string mods_page(PadFeed& feed, const PadState& state) {
auto& io = ImGui::GetIO();
io.DisplaySize = ImVec2(900, 700);
io.DeltaTime = 1.0f / 60.0f;
feed.update(io, state, 1.0f);
ImGui::NewFrame();
feed.after_new_frame();
std::string pressed;
ImGui::SetNextWindowPos(ImVec2(0, 0));
ImGui::SetNextWindowSize(ImVec2(900, 700));
ImGui::Begin("##page", nullptr, ImGuiWindowFlags_NoDecoration);
dingosdk::launcher_gui::hold_focus(g_installing);
// The window's own buttons come first on the page, as in the launcher.
ImGui::SetCursorPos(ImVec2(866, 0));
if (ImGui::Button("_", ImVec2(30, 30))) pressed = "minimise";
ImGui::SetCursorPos(ImVec2(20, 100));
ImGui::BeginChild("##rail", ImVec2(200, 520), ImGuiChildFlags_NavFlattened);
if (ImGui::Button("MY MODS", ImVec2(150, 40))) pressed = "MY MODS";
dingosdk::launcher_gui::default_focus();
if (ImGui::Button("GET MODS", ImVec2(150, 40))) pressed = "GET MODS";
// BACK at the rail's foot, under the list's last row: the list leaves room
// for a line of text below it.
ImGui::SetCursorPos(ImVec2(0, 480));
if (ImGui::Button("BACK", ImVec2(150, 40))) pressed = "BACK";
ImGui::EndChild();
ImGui::SetCursorPos(ImVec2(260, 100));
ImGui::BeginChild("##content", ImVec2(600, 460), ImGuiChildFlags_NavFlattened);
for (int row = 0; row < 12; ++row) {
ImGui::PushID(row);
dingosdk::launcher_gui::begin_row();
const ImVec2 start = ImGui::GetCursorScreenPos();
if (ImGui::Selectable("##row", false, ImGuiSelectableFlags_AllowOverlap, ImVec2(560, 60)))
pressed = "row " + std::to_string(row);
const ImVec2 next = ImGui::GetCursorScreenPos();
dingosdk::launcher_gui::row_buttons();
ImGui::SetCursorScreenPos(ImVec2(start.x + 380, start.y + 14));
if (ImGui::Button("INSTALL", ImVec2(100, 32))) pressed = "install " + std::to_string(row);
dingosdk::launcher_gui::end_row();
ImGui::SetCursorScreenPos(next);
ImGui::PopID();
}
dingosdk::launcher_gui::keep_focus_in_list();
ImGui::EndChild();
ImGui::End();
if (g_installing) {
ImGui::SetNextWindowPos(ImVec2(0, 0));
ImGui::SetNextWindowSize(io.DisplaySize);
ImGui::SetNextWindowFocus();
ImGui::Begin("##installing", nullptr, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoBackground);
ImGui::SetCursorPos(ImVec2(400, 400));
if (ImGui::Button("CANCEL")) pressed = "cancel";
ImGui::End();
}
ImGui::Render();
return pressed;
}
// Taps a D-pad direction on the Mod manager, then A: what A pressed is where the focus went.
std::string mods_tap(PadFeed& feed, std::uint16_t button) {
mods_page(feed, pad(button));
for (int i = 0; i < 3; ++i) mods_page(feed, pad());
std::string pressed = mods_page(feed, pad(button_a));
pressed += mods_page(feed, pad());
return pressed;
}
// MY MODS as the launcher draws it at the Steam Deck's scale: the rail with
// BACK at its foot, a tick above the list for every mod, and rows that carry
// a tick on the left and a switch and a menu on the right. Returns the name of
// the item holding the focus.
std::string my_mods(PadFeed& feed, const PadState& state) {
constexpr float k = 0.85f;
static std::map<ImGuiID, std::string> names;
const auto name = [](const std::string& text) { names[ImGui::GetItemID()] = text; };
auto& io = ImGui::GetIO();
io.DisplaySize = ImVec2(1227, 716);
io.DeltaTime = 1.0f / 60.0f;
feed.update(io, state, k);
ImGui::NewFrame();
feed.after_new_frame();
ImGui::SetNextWindowPos(ImVec2(0, 0));
ImGui::SetNextWindowSize(io.DisplaySize);
ImGui::Begin("##page", nullptr, ImGuiWindowFlags_NoDecoration);
ImGui::SetCursorPos(ImVec2(28 * k, 156 * k));
ImGui::BeginChild("##rail", ImVec2(236 * k, 716 - 180 * k), ImGuiChildFlags_NavFlattened);
ImGui::Button("MY MODS", ImVec2(-1, 56 * k));
name("MY MODS");
dingosdk::launcher_gui::default_focus();
ImGui::Button("GET MODS", ImVec2(-1, 56 * k));
name("GET MODS");
for (const char* label : {"Install .zip", "Install folder", "Open Mods folder", "Open Thunderstore"}) {
ImGui::Button(label, ImVec2(-1, 32 * k));
name(label);
}
ImGui::SetCursorPosY(ImGui::GetWindowHeight() - 38 * k);
ImGui::Button("BACK", ImVec2(-1, 34 * k));
name("BACK");
ImGui::EndChild();
ImGui::SetCursorPos(ImVec2(290 * k, 52 * k));
ImGui::BeginChild("##content", ImVec2(1227 - 318 * k, 716 - 76 * k), ImGuiChildFlags_NavFlattened);
static bool all = false;
ImGui::Checkbox("##all", &all);
name("tick all");
ImGui::Spacing();
const float body = ImGui::GetContentRegionAvail().y - ImGui::GetTextLineHeightWithSpacing();
ImGui::BeginChild("##mod_list", ImVec2(0, body), ImGuiChildFlags_Borders | ImGuiChildFlags_NavFlattened);
const float tall = 68 * k;
for (int row = 0; row < 20; ++row) {
ImGui::PushID(row);
const ImVec2 start = ImGui::GetCursorScreenPos();
const float width = ImGui::GetContentRegionAvail().x;
dingosdk::launcher_gui::begin_row();
ImGui::Selectable("##row", false, ImGuiSelectableFlags_AllowOverlap, ImVec2(width, tall));
name("row " + std::to_string(row));
const ImVec2 next = ImGui::GetCursorScreenPos();
dingosdk::launcher_gui::row_buttons();
ImGui::SetCursorScreenPos(ImVec2(start.x + 14 * k, start.y + (tall - ImGui::GetFrameHeight()) * 0.5f));
static bool ticks[20];
ImGui::Checkbox("##pick", &ticks[row]);
name("tick " + std::to_string(row));
ImGui::SetCursorScreenPos(ImVec2(start.x + width - 96 * k, start.y + 23 * k));
ImGui::Button("##switch", ImVec2(42 * k, 22 * k));
name("switch " + std::to_string(row));
dingosdk::launcher_gui::end_row();
ImGui::SetCursorScreenPos(next);
ImGui::PopID();
}
dingosdk::launcher_gui::keep_focus_in_list();
ImGui::EndChild();
ImGui::TextDisabled("Mods load top to bottom");
ImGui::EndChild();
ImGui::End();
ImGui::Render();
const auto found = names.find(GImGui->NavId);
return found == names.end() ? std::string() : found->second;
}
// One D-pad press, held for a few frames as a thumb does, then let go.
std::string my_mods_tap(PadFeed& feed, std::uint16_t button) {
for (int i = 0; i < 6; ++i) my_mods(feed, pad(button));
std::string at;
for (int i = 0; i < 6; ++i) at = my_mods(feed, pad());
return at;
}
void fresh() {
if (ImGui::GetCurrentContext()) ImGui::DestroyContext();
ImGui::CreateContext();
auto& io = ImGui::GetIO();
io.IniFilename = nullptr;
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;
io.Fonts->AddFontDefault();
io.Fonts->Build();
}
} // namespace
int main() {
// ------------------------------------------------ focus
{
fresh();
PadFeed feed;
frame(feed, pad());
frame(feed, pad());
press(feed, dpad_down);
check(ImGui::GetIO().NavVisible, "The D-pad shows the focus");
// The first move lands on the first item; the next one goes down.
press(feed, dpad_down);
check(press(feed, button_a) == "second", "A presses the item the D-pad moved to");
check(!feed.pointing() && !ImGui::GetIO().MouseDrawCursor, "No pointer is drawn while the focus is used");
}
{
fresh();
PadFeed feed;
frame(feed, pad());
frame(feed, pad(button_a));
check(ImGui::IsKeyDown(ImGuiKey_GamepadFaceDown), "A (Cross) is the gamepad's activate button");
PadState gone; // unplugged with A held
frame(feed, gone);
frame(feed, gone);
check(!ImGui::IsKeyDown(ImGuiKey_GamepadFaceDown), "An unplugged pad lets go of A");
check(!(ImGui::GetIO().BackendFlags & ImGuiBackendFlags_HasGamepad), "An unplugged pad is no gamepad");
}
// ------------------------------------------------ the Mod manager
{
fresh();
PadFeed feed;
mods_page(feed, pad());
mods_page(feed, pad());
check(GImGui->NavCursorVisible && mods_tap(feed, 0) == "MY MODS",
"With a pad connected the page opens with the focus on its tab");
check(mods_tap(feed, dpad_down) == "GET MODS", "Down goes to the next tab");
const auto row = mods_tap(feed, dpad_right);
check(row.rfind("row ", 0) == 0, "Right goes from a tab level with a gap between rows into the list");
check(mods_tap(feed, dpad_left) == "GET MODS", "Left goes from the list back to the tabs");
mods_tap(feed, dpad_right);
const int first = std::stoi(mods_tap(feed, dpad_down).substr(4));
check(mods_tap(feed, dpad_down) == "row " + std::to_string(first + 1), "Down goes to the next row in one press");
check(mods_tap(feed, dpad_up) == "row " + std::to_string(first), "Up goes to the row above in one press");
check(mods_tap(feed, dpad_right) == "install " + std::to_string(first), "Right goes to the row's own button");
check(mods_tap(feed, dpad_up) == "row " + std::to_string(first - 1), "Up from a row's button goes to the row above");
for (int i = 0; i < 14; ++i) mods_tap(feed, dpad_down);
check(mods_tap(feed, dpad_down) == "row 11", "Down at the end of the list stays on its last row");
check(mods_tap(feed, dpad_left) == "BACK", "Left from the end of the list reaches BACK, far below the tabs");
mods_tap(feed, dpad_right);
for (int i = 0; i < 14; ++i) mods_tap(feed, dpad_up);
check(mods_tap(feed, dpad_up) == "row 0", "Up at the top of the list stays on its first row");
const auto tab = mods_tap(feed, dpad_left);
check(tab == "MY MODS" || tab == "GET MODS", "Left still leaves the list");
mods_tap(feed, dpad_down);
check(mods_tap(feed, dpad_down) == "BACK", "Down the tabs reaches BACK");
// INSTALL on a row, then the install progress over the page until it is done.
mods_tap(feed, dpad_up);
mods_tap(feed, dpad_right);
check(mods_tap(feed, dpad_right).rfind("install ", 0) == 0, "On a row's INSTALL");
const int installed = std::stoi(mods_tap(feed, 0).substr(8));
g_installing = true;
for (int i = 0; i < 10; ++i) mods_page(feed, pad());
g_installing = false;
for (int i = 0; i < 3; ++i) mods_page(feed, pad());
check(GImGui->NavCursorVisible, "The focus shows again once the install is done");
check(mods_tap(feed, 0) == "row " + std::to_string(installed), "The focus goes back to the installed mod's row");
}
{
fresh();
ImGui::GetStyle().ScaleAllSizes(0.85f);
PadFeed feed;
for (int i = 0; i < 3; ++i) my_mods(feed, pad());
std::string at = my_mods_tap(feed, dpad_right);
for (int i = 0; i < 20 && at != "row 7"; ++i) at = my_mods_tap(feed, dpad_down);
check(at == "row 7", "Right and down walk into the rows");
check(my_mods_tap(feed, dpad_left) == "tick 7", "Left goes to the row's tick");
at = my_mods_tap(feed, dpad_left);
check(at != "tick all" && at.rfind("row", 0) != 0 && !at.empty(), "Left from a tick halfway down reaches the rail, not the tick above the list");
my_mods_tap(feed, dpad_right);
for (int i = 0; i < 3; ++i) my_mods_tap(feed, dpad_down);
check(my_mods_tap(feed, dpad_left).rfind("tick ", 0) == 0, "Back on a row's tick");
const std::string from = my_mods_tap(feed, dpad_up);
check(from.rfind("row ", 0) == 0, "Up from a tick goes to the row above");
const int row = std::stoi(from.substr(4));
check(my_mods_tap(feed, dpad_up) == "row " + std::to_string(row - 1), "The next up goes to the next row, not to that row's tick");
check(my_mods_tap(feed, dpad_right) == "switch " + std::to_string(row - 1), "Right goes to the row's switch");
check(my_mods_tap(feed, dpad_down) == "row " + std::to_string(row), "Down from the switch goes to the row below");
for (int i = 0; i < 25; ++i) at = my_mods_tap(feed, dpad_down);
check(at == "row 19", "Down stops on the last row");
my_mods_tap(feed, dpad_left);
check(my_mods_tap(feed, dpad_left) == "BACK", "Left from the last row's tick reaches BACK");
}
{
fresh();
PadFeed feed;
mods_page(feed, PadState{});
mods_page(feed, PadState{});
check(!GImGui->NavCursorVisible, "Without a pad nothing shows a focus");
}
// ------------------------------------------------ back
{
fresh();
PadFeed feed;
frame(feed, pad());
frame(feed, pad());
frame(feed, pad(button_b));
check(ImGui::IsKeyPressed(ImGuiKey_Escape, false), "B is Escape with nothing open");
frame(feed, pad());
check(!ImGui::IsKeyDown(ImGuiKey_Escape), "Letting go of B lets go of Escape");
}
{
fresh();
PadFeed feed;
frame(feed, pad());
check(frame(feed, pad(), true).menu_open, "The menu opens");
frame(feed, pad());
const auto with_b = frame(feed, pad(button_b));
const auto after = frame(feed, pad());
check(!after.menu_open, "B closes an open menu");
check(!with_b.escape && !after.escape, "Closing the menu is not also Escape, which would leave the page");
}
{
fresh();
PadFeed feed;
frame(feed, pad());
ImGui::GetIO().AddKeyEvent(ImGuiKey_Escape, true); // the keyboard's Escape, held
frame(feed, pad());
frame(feed, pad());
check(ImGui::IsKeyDown(ImGuiKey_Escape), "An idle pad does not let go of the keyboard's Escape");
}
{
fresh();
PadFeed feed;
for (int i = 0; i < 2; ++i) frame(feed, pad(), false, true);
const auto tap = [&](std::uint16_t button) { frame(feed, pad(button), false, true); frame(feed, pad(), false, true); };
tap(dpad_down); // onto "first"
tap(dpad_down); // "second", level with the panels
tap(dpad_right); // the rail
tap(dpad_right); // the content
std::string pressed = frame(feed, pad(button_a), false, true).pressed;
const auto released = frame(feed, pad(), false, true).pressed;
check((pressed.empty() ? released : pressed) == "option",
"The D-pad crosses from a page's rail into its content");
}
// ------------------------------------------------ scrolling
{
fresh();
PadFeed feed;
const auto tap = [&](std::uint16_t button) { frame(feed, pad(button), false, false, true); frame(feed, pad(), false, false, true); };
for (int i = 0; i < 2; ++i) frame(feed, pad(), false, false, true);
tap(dpad_right); // from nothing onto the list's first row
tap(dpad_right);
float scroll{};
for (int i = 0; i < 30; ++i) scroll = frame(feed, pad(0, 0, 0, -32767), false, false, true).list_scroll;
scroll = frame(feed, pad(), false, false, true).list_scroll;
check(scroll > 100, "The left stick scrolls the panel holding the focus");
check(!feed.pointing() && GImGui->NavCursorVisible && GImGui->NavHighlightItemUnderNav,
"Scrolling stays with the focus, not the mouse");
for (int i = 0; i < 60; ++i) frame(feed, pad(0, 0, 0, 32767), false, false, true);
check(frame(feed, pad(), false, false, true).list_scroll == 0, "Pushing up scrolls back to the top");
}
{
fresh();
PadFeed feed;
ImGui::GetIO().AddMousePosEvent(500, 200); // over the list
for (int i = 0; i < 2; ++i) frame(feed, pad(), false, false, true);
frame(feed, pad(0, 0, 0, 0), false, false, true);
frame(feed, pad(right_thumb), false, false, true); // the pointer shows, without a click
frame(feed, pad(), false, false, true);
float scroll{};
for (int i = 0; i < 30; ++i) scroll = frame(feed, pad(0, 0, 0, -32767), false, false, true).list_scroll;
scroll = frame(feed, pad(), false, false, true).list_scroll;
check(scroll > 100, "The left stick scrolls the panel under the pointer");
check(feed.pointing(), "Scrolling keeps the pointer");
}
{
fresh();
PadFeed feed;
ImGui::GetIO().AddMousePosEvent(500, 200); // the mouse resting over the list
for (int i = 0; i < 2; ++i) frame(feed, pad(), false, false, true);
float scroll{};
for (int i = 0; i < 30; ++i) scroll = frame(feed, pad(0, 0, 0, -32767), false, false, true).list_scroll;
scroll = frame(feed, pad(), false, false, true).list_scroll;
check(scroll > 100, "The left stick scrolls the panel under the mouse");
}
// ------------------------------------------------ the Steam Deck's trackpad
{
fresh();
PadFeed stick;
PadFeed trackpad(true);
ImGui::GetIO().AddMousePosEvent(400, 300);
for (int i = 0; i < 20; ++i) frame(trackpad, pad()); // it settles first
for (int i = 0; i < 10; ++i) frame(trackpad, pad(0, 3300, 0)); // a slow swipe
frame(trackpad, pad());
check(ImGui::GetIO().MousePos.x > 405, "A slow swipe on the trackpad moves the pointer");
fresh();
ImGui::GetIO().AddMousePosEvent(400, 300);
for (int i = 0; i < 20; ++i) frame(stick, pad());
for (int i = 0; i < 10; ++i) frame(stick, pad(0, 3300, 0));
frame(stick, pad());
check(!stick.pointing() && ImGui::GetIO().MousePos.x == 400, "The same small tilt of a thumbstick does not");
fresh();
PadFeed slowing(true);
ImGui::GetIO().AddMousePosEvent(100, 300);
for (int i = 0; i < 20; ++i) frame(slowing, pad());
for (int i = 0; i < 5; ++i) frame(slowing, pad(0, 20000, 0)); // the swipe
const float swiped = ImGui::GetIO().MousePos.x;
float tilt = 20000;
for (int i = 0; i < 12; ++i) { // the thumb slows down before it lifts
tilt *= 0.9f;
frame(slowing, pad(0, static_cast<std::int16_t>(tilt), 0));
}
const float slowed = ImGui::GetIO().MousePos.x;
frame(slowing, pad(0, -900, -1200)); // lifted: back to Steam's resting tilt
frame(slowing, pad(0, -900, -1200));
check(slowed > swiped + 60, "A swipe that slows down moves the pointer to its end");
check(ImGui::GetIO().MousePos.x == slowed, "The pointer stops when the thumb lifts");
fresh();
PadFeed drifting(true);
ImGui::GetIO().AddMousePosEvent(400, 300);
for (int i = 0; i < 60; ++i) frame(drifting, pad(0, -2600, -2600)); // resting off the middle
check(!drifting.pointing() && ImGui::GetIO().MousePos.x == 400 && ImGui::GetIO().MousePos.y == 300,
"A trackpad resting off the middle does not move the pointer");
for (int i = 0; i < 10; ++i) frame(drifting, pad(0, 9000, -2600));
check(drifting.pointing() && ImGui::GetIO().MousePos.x > 420 && std::abs(ImGui::GetIO().MousePos.y - 300) < 1,
"A swipe moves it from where the trackpad rests");
for (int i = 0; i < 60; ++i) frame(drifting, pad(0, -1000, 1500)); // lifted: resting somewhere new
const ImVec2 rested = ImGui::GetIO().MousePos;
for (int i = 0; i < 60; ++i) frame(drifting, pad(0, -1000, 1500));
check(ImGui::GetIO().MousePos.x == rested.x && ImGui::GetIO().MousePos.y == rested.y,
"After a touch it rests again without the pointer creeping");
}
// ------------------------------------------------ trackpad pointer
{
fresh();
PadFeed feed;
auto& io = ImGui::GetIO();
io.AddMousePosEvent(400, 300);
feed.mouse_moved(ImVec2(400, 300));
for (int i = 0; i < 20; ++i) frame(feed, pad());
frame(feed, pad(0, 3000, 0));
check(!feed.pointing() && io.MousePos.x == 400, "A thumb resting near the middle does not move the pointer");
frame(feed, pad(0, 16000, 0));
frame(feed, pad());
check(feed.pointing() && io.MouseDrawCursor, "Tilting takes the pointer and draws it");
check(io.MousePos.x > 400 && io.MousePos.y == 300, "Tilting right moves the pointer right, from the mouse's place");
for (int i = 0; i < 120; ++i) frame(feed, pad(0, 32767, 32767));
frame(feed, pad());
check(io.MousePos.x == 799 && io.MousePos.y == 0, "The pointer stays inside the window");
// The system cursor stays where the mouse left it, and is reported every frame.
io.AddMousePosEvent(400, 300);
frame(feed, pad());
frame(feed, pad());
check(io.MousePos.x == 799, "The system cursor's old place does not take the pointer back");
feed.mouse_moved(ImVec2(400, 300)); // the same place, repeated by Windows
check(feed.pointing(), "A mouse move repeated in the same place keeps the pointer");
feed.mouse_moved(ImVec2(50, 60)); // the mouse, or a finger on the screen
io.AddMousePosEvent(50, 60);
frame(feed, pad());
frame(feed, pad());
check(!feed.pointing() && !io.MouseDrawCursor, "The mouse takes the pointer back");
check(io.MousePos.x == 50, "The mouse's place wins once it moved");
}
{
fresh();
PadFeed feed;
ImGui::GetIO().AddMousePosEvent(150, 225); // over "second"
frame(feed, pad());
frame(feed, pad());
std::string pressed = frame(feed, pad(right_thumb)).pressed;
pressed += frame(feed, pad()).pressed;
check(feed.pointing() && pressed.empty() && !ImGui::GetIO().MouseDown[0],
"The first trackpad click (R3) only shows the pointer");
pressed = frame(feed, pad(right_thumb)).pressed;
check(ImGui::GetIO().MouseDown[0], "The next click holds the left button");
pressed += frame(feed, pad()).pressed;
check(pressed == "second", "The trackpad's click presses what the pointer is over");
check(!ImGui::GetIO().MouseDown[0], "Letting go of R3 lets go of the left button");
press(feed, dpad_down);
check(!feed.pointing() && ImGui::GetIO().NavVisible, "The D-pad hands the screen back to the focus");
}
ImGui::DestroyContext();
if (failures) {
std::cerr << failures << " gamepad input check(s) failed\n";
return 1;
}
std::cout << "Gamepad input checks passed.\n";
return 0;
}
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