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Add dual touchpad support to testcontroller (#15540)

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ceski 2026-05-13 23:49:01 -07:00 • committed by GitHub
parent 0defb4ddfc
commit 006959ca87
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7 changed files with 244 additions and 108 deletions
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68
test/testcontroller.c
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@ -33,7 +33,7 @@
#define PANEL_SPACING 25.0f
#define PANEL_WIDTH 250.0f
#define GAMEPAD_WIDTH 512.0f
#define GAMEPAD_HEIGHT 560.0f
#define GAMEPAD_HEIGHT 596.0f
#define BUTTON_MARGIN 16.0f
#define SCREEN_WIDTH (PANEL_WIDTH + PANEL_SPACING + GAMEPAD_WIDTH + PANEL_SPACING + PANEL_WIDTH)
#define SCREEN_HEIGHT (TITLE_HEIGHT + GAMEPAD_HEIGHT)
@ -378,9 +378,16 @@ static SDL_GamepadAxis virtual_axis_active = SDL_GAMEPAD_AXIS_INVALID;
static float virtual_axis_start_x;
static float virtual_axis_start_y;
static SDL_GamepadButton virtual_button_active = SDL_GAMEPAD_BUTTON_INVALID;
static bool virtual_touchpad_active = false;
static float virtual_touchpad_x;
static float virtual_touchpad_y;
typedef struct
{
bool active;
float x;
float y;
} VirtualTouchpad;
#define MAX_VIRTUAL_TOUCHPADS 2
static VirtualTouchpad virtual_touchpad[MAX_VIRTUAL_TOUCHPADS];
static int s_arrBindingOrder[] = {
/* Standard sequence */
@ -1585,7 +1592,10 @@ static bool SDLCALL VirtualGamepadSetLED(void *userdata, Uint8 red, Uint8 green,
static void OpenVirtualGamepad(void)
{
SDL_VirtualJoystickTouchpadDesc virtual_touchpad = { 1, { 0, 0, 0 } };
SDL_VirtualJoystickTouchpadDesc virtual_touchpad_desc[MAX_VIRTUAL_TOUCHPADS] = {
{ 1, { 0, 0, 0 } },
{ 1, { 0, 0, 0 } }
};
SDL_VirtualJoystickSensorDesc virtual_sensors[] = {
{ SDL_SENSOR_ACCEL, 0.0f },
{ SDL_SENSOR_GYRO, 0.0f }
@ -1601,8 +1611,8 @@ static void OpenVirtualGamepad(void)
desc.type = SDL_JOYSTICK_TYPE_GAMEPAD;
desc.naxes = SDL_GAMEPAD_AXIS_COUNT;
desc.nbuttons = SDL_GAMEPAD_BUTTON_COUNT;
desc.ntouchpads = 1;
desc.touchpads = &virtual_touchpad;
desc.ntouchpads = MAX_VIRTUAL_TOUCHPADS;
desc.touchpads = virtual_touchpad_desc;
desc.nsensors = SDL_arraysize(virtual_sensors);
desc.sensors = virtual_sensors;
desc.SetPlayerIndex = VirtualGamepadSetPlayerIndex;
@ -1681,12 +1691,14 @@ static void VirtualGamepadMouseMotion(float x, float y)
}
}
if (virtual_touchpad_active) {
SDL_FRect touchpad;
GetGamepadTouchpadArea(image, &touchpad);
virtual_touchpad_x = (x - touchpad.x) / touchpad.w;
virtual_touchpad_y = (y - touchpad.y) / touchpad.h;
SDL_SetJoystickVirtualTouchpad(virtual_joystick, 0, 0, true, virtual_touchpad_x, virtual_touchpad_y, 1.0f);
for (int i = 0; i < MAX_VIRTUAL_TOUCHPADS; ++i) {
if (virtual_touchpad[i].active) {
SDL_FRect touchpad;
GetGamepadTouchpadArea(image, &touchpad, i);
virtual_touchpad[i].x = (x - touchpad.x) / touchpad.w;
virtual_touchpad[i].y = (y - touchpad.y) / touchpad.h;
SDL_SetJoystickVirtualTouchpad(virtual_joystick, i, 0, true, virtual_touchpad[i].x, virtual_touchpad[i].y, 1.0f);
}
}
}
@ -1695,16 +1707,18 @@ static void VirtualGamepadMouseDown(float x, float y)
int element = GetGamepadImageElementAt(image, x, y);
if (element == SDL_GAMEPAD_ELEMENT_INVALID) {
SDL_FPoint point;
point.x = x;
point.y = y;
SDL_FRect touchpad;
GetGamepadTouchpadArea(image, &touchpad);
if (SDL_PointInRectFloat(&point, &touchpad)) {
virtual_touchpad_active = true;
virtual_touchpad_x = (x - touchpad.x) / touchpad.w;
virtual_touchpad_y = (y - touchpad.y) / touchpad.h;
SDL_SetJoystickVirtualTouchpad(virtual_joystick, 0, 0, true, virtual_touchpad_x, virtual_touchpad_y, 1.0f);
for (int i = 0; i < MAX_VIRTUAL_TOUCHPADS; ++i) {
SDL_FPoint point;
point.x = x;
point.y = y;
SDL_FRect touchpad;
GetGamepadTouchpadArea(image, &touchpad, i);
if (SDL_PointInRectFloat(&point, &touchpad)) {
virtual_touchpad[i].active = true;
virtual_touchpad[i].x = (x - touchpad.x) / touchpad.w;
virtual_touchpad[i].y = (y - touchpad.y) / touchpad.h;
SDL_SetJoystickVirtualTouchpad(virtual_joystick, i, 0, true, virtual_touchpad[i].x, virtual_touchpad[i].y, 1.0f);
}
}
return;
}
@ -1756,9 +1770,11 @@ static void VirtualGamepadMouseUp(float x, float y)
virtual_axis_active = SDL_GAMEPAD_AXIS_INVALID;
}
if (virtual_touchpad_active) {
SDL_SetJoystickVirtualTouchpad(virtual_joystick, 0, 0, false, virtual_touchpad_x, virtual_touchpad_y, 0.0f);
virtual_touchpad_active = false;
for (int i = 0; i < MAX_VIRTUAL_TOUCHPADS; ++i) {
if (virtual_touchpad[i].active) {
SDL_SetJoystickVirtualTouchpad(virtual_joystick, i, 0, false, virtual_touchpad[i].x, virtual_touchpad[i].y, 0.0f);
virtual_touchpad[i].active = false;
}
}
}