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armorpaint/base/sources/backends/windows_system.c
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luboslenco ab43bb25e7 Cleanup
2025-08-05 21:20:38 +02:00

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#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <Windowsx.h>
#include "windows_system.h"
#include <stdio.h>
#include <shellapi.h>
#include <shlobj.h>
#include <dwmapi.h>
#include <iron_system.h>
#include <iron_gpu.h>
#include <iron_thread.h>
#include <iron_video.h>
#include <stb_sprintf.h>
void iron_microsoft_format(const char *format, va_list args, wchar_t *buffer) {
char cbuffer[4096];
vsprintf(cbuffer, format, args);
MultiByteToWideChar(CP_UTF8, 0, cbuffer, -1, buffer, 4096);
}
#ifdef IRON_NO_CLIB
#ifndef NDEBUG
void _wassert(wchar_t const *message, wchar_t const *filename, unsigned line) {
__debugbreak();
}
void _RTC_CheckStackVars(void) {}
void _RTC_InitBase(void) {}
void _RTC_Shutdown(void) {}
void _RTC_AllocaHelper(void) {}
void _RTC_CheckStackVars2(void) {}
void __GSHandlerCheck(void) {}
void __fastcall __security_check_cookie(_In_ uintptr_t _StackCookie) {}
uintptr_t __security_cookie;
int _fltused = 1;
void __report_rangecheckfailure(void) {}
void __chkstk(void) {}
#endif
#endif
#define MAXIMUM_DISPLAYS 8
typedef struct {
struct HMONITOR__ *monitor;
char name[32];
bool primary, available, mode_changed;
int index, x, y, width, height, ppi, frequency, bpp;
} DisplayData;
static DisplayData displays[MAXIMUM_DISPLAYS];
static DEVMODEA original_modes[MAXIMUM_DISPLAYS];
static int screen_counter = 0;
static bool display_initialized = false;
typedef enum { MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2, MDT_DEFAULT = MDT_EFFECTIVE_DPI } MONITOR_DPI_TYPE;
typedef HRESULT(WINAPI *GetDpiForMonitorType)(HMONITOR hmonitor, MONITOR_DPI_TYPE dpiType, UINT *dpiX, UINT *dpiY);
static GetDpiForMonitorType MyGetDpiForMonitor = NULL;
static BOOL CALLBACK EnumerationCallback(HMONITOR monitor, HDC hdc_unused, LPRECT rect_unused, LPARAM lparam) {
MONITORINFOEXA info;
memset(&info, 0, sizeof(MONITORINFOEXA));
info.cbSize = sizeof(MONITORINFOEXA);
if (GetMonitorInfoA(monitor, (MONITORINFO *)&info) == FALSE) {
return FALSE;
}
int free_slot = 0;
for (; free_slot < MAXIMUM_DISPLAYS; ++free_slot) {
if (displays[free_slot].monitor == monitor) {
return FALSE;
}
if (displays[free_slot].monitor == NULL) {
break;
}
}
DisplayData *display = &displays[free_slot];
strncpy(display->name, info.szDevice, 31);
display->name[31] = 0;
display->index = free_slot;
display->monitor = monitor;
display->primary = (info.dwFlags & MONITORINFOF_PRIMARY) != 0;
display->available = true;
display->x = info.rcMonitor.left;
display->y = info.rcMonitor.top;
display->width = info.rcMonitor.right - info.rcMonitor.left;
display->height = info.rcMonitor.bottom - info.rcMonitor.top;
HDC hdc = CreateDCA(NULL, display->name, NULL, NULL);
display->ppi = GetDeviceCaps(hdc, LOGPIXELSX);
int scale = GetDeviceCaps(hdc, SCALINGFACTORX);
DeleteDC(hdc);
if (MyGetDpiForMonitor != NULL) {
unsigned dpiX, dpiY;
MyGetDpiForMonitor(monitor, MDT_EFFECTIVE_DPI, &dpiX, &dpiY);
display->ppi = (int)dpiX;
}
memset(&original_modes[free_slot], 0, sizeof(DEVMODEA));
original_modes[free_slot].dmSize = sizeof(DEVMODEA);
EnumDisplaySettingsA(display->name, ENUM_CURRENT_SETTINGS, &original_modes[free_slot]);
display->frequency = original_modes[free_slot].dmDisplayFrequency;
display->bpp = original_modes[free_slot].dmBitsPerPel;
++screen_counter;
return TRUE;
}
void iron_display_init() {
if (display_initialized) {
return;
}
HMODULE shcore = LoadLibraryA("Shcore.dll");
if (shcore != NULL) {
MyGetDpiForMonitor = (GetDpiForMonitorType)GetProcAddress(shcore, "GetDpiForMonitor");
}
memset(displays, 0, sizeof(DisplayData) * MAXIMUM_DISPLAYS);
EnumDisplayMonitors(NULL, NULL, EnumerationCallback, 0);
display_initialized = true;
}
int iron_windows_get_display_for_monitor(struct HMONITOR__ *monitor) {
for (int i = 0; i < MAXIMUM_DISPLAYS; ++i) {
if (displays[i].monitor == monitor) {
return i;
}
}
return -1;
}
int iron_count_displays() {
return screen_counter;
}
int iron_primary_display() {
for (int i = 0; i < MAXIMUM_DISPLAYS; ++i) {
DisplayData *display = &displays[i];
if (display->available && display->primary) {
return i;
}
}
return -1;
}
bool iron_windows_set_display_mode(int display_index, int width, int height, int bpp, int frequency) {
DisplayData *display = &displays[display_index];
display->mode_changed = true;
DEVMODEA mode = {0};
mode.dmSize = sizeof(mode);
strcpy((char *)mode.dmDeviceName, display->name);
mode.dmPelsWidth = width;
mode.dmPelsHeight = height;
mode.dmBitsPerPel = bpp;
mode.dmDisplayFrequency = frequency;
mode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
bool success = ChangeDisplaySettingsA(&mode, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL;
if (!success) {
mode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
success = ChangeDisplaySettingsA(&mode, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL;
}
return success;
}
void iron_windows_restore_display(int display) {
if (displays[display].mode_changed) {
ChangeDisplaySettingsA(&original_modes[display], 0);
}
}
void iron_windows_restore_displays() {
for (int i = 0; i < MAXIMUM_DISPLAYS; ++i) {
iron_windows_restore_display(i);
}
}
iron_display_mode_t iron_display_current_mode(int display_index) {
DisplayData *display = &displays[display_index];
iron_display_mode_t mode;
mode.x = display->x;
mode.y = display->y;
mode.width = display->width;
mode.height = display->height;
mode.pixels_per_inch = display->ppi;
mode.frequency = display->frequency;
mode.bits_per_pixel = display->bpp;
return mode;
}
void iron_internal_mouse_lock() {
iron_mouse_hide();
HWND handle = iron_windows_window_handle();
SetCapture(handle);
RECT rect;
GetWindowRect(handle, &rect);
ClipCursor(&rect);
}
void iron_internal_mouse_unlock(void) {
iron_mouse_show();
ReleaseCapture();
ClipCursor(NULL);
}
bool iron_mouse_can_lock(void) {
return true;
}
void iron_mouse_show() {
// Work around the internal counter of ShowCursor
while (ShowCursor(true) < 0) {
}
}
void iron_mouse_hide() {
// Work around the internal counter of ShowCursor
while (ShowCursor(false) >= 0) {
}
}
void iron_mouse_set_position(int x, int y) {
POINT point;
point.x = x;
point.y = y;
ClientToScreen(iron_windows_window_handle(), &point);
SetCursorPos(point.x, point.y);
}
void iron_mouse_get_position(int *x, int *y) {
POINT point;
GetCursorPos(&point);
ScreenToClient(iron_windows_window_handle(), &point);
*x = point.x;
*y = point.y;
}
#define MAX_TOUCH_POINTS 10
#define IRON_DINPUT_MAX_COUNT 8
struct touchpoint {
int sysID;
int x;
int y;
};
static struct touchpoint touchPoints[MAX_TOUCH_POINTS];
static int mouseX, mouseY;
static bool keyPressed[256];
static int keyTranslated[256]; // http://msdn.microsoft.com/en-us/library/windows/desktop/dd375731(v=vs.85).aspx
static int GetTouchIndex(int dwID) {
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
if (touchPoints[i].sysID == dwID) {
return i;
}
}
return -1;
}
static int GetAddTouchIndex(int dwID) {
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
if (touchPoints[i].sysID == dwID) {
return i;
}
}
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
if (touchPoints[i].sysID == -1) {
touchPoints[i].sysID = dwID;
return i;
}
}
return -1;
}
static void ReleaseTouchIndex(int dwID) {
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
if (touchPoints[i].sysID == dwID) {
touchPoints[i].sysID = -1;
touchPoints[i].x = -1;
touchPoints[i].y = -1;
}
}
}
static void initKeyTranslation() {
for (int i = 0; i < 256; ++i) {
keyTranslated[i] = IRON_KEY_UNKNOWN;
}
keyTranslated[VK_BACK] = IRON_KEY_BACKSPACE;
keyTranslated[VK_TAB] = IRON_KEY_TAB;
keyTranslated[VK_CLEAR] = IRON_KEY_CLEAR;
keyTranslated[VK_RETURN] = IRON_KEY_RETURN;
keyTranslated[VK_SHIFT] = IRON_KEY_SHIFT;
keyTranslated[VK_CONTROL] = IRON_KEY_CONTROL;
keyTranslated[VK_MENU] = IRON_KEY_ALT;
keyTranslated[VK_PAUSE] = IRON_KEY_PAUSE;
keyTranslated[VK_CAPITAL] = IRON_KEY_CAPS_LOCK;
keyTranslated[VK_KANA] = IRON_KEY_KANA;
keyTranslated[VK_HANGUL] = IRON_KEY_HANGUL;
keyTranslated[VK_JUNJA] = IRON_KEY_JUNJA;
keyTranslated[VK_FINAL] = IRON_KEY_FINAL;
keyTranslated[VK_HANJA] = IRON_KEY_HANJA;
keyTranslated[VK_KANJI] = IRON_KEY_KANJI;
keyTranslated[VK_ESCAPE] = IRON_KEY_ESCAPE;
keyTranslated[VK_SPACE] = IRON_KEY_SPACE;
keyTranslated[VK_PRIOR] = IRON_KEY_PAGE_UP;
keyTranslated[VK_NEXT] = IRON_KEY_PAGE_DOWN;
keyTranslated[VK_END] = IRON_KEY_END;
keyTranslated[VK_HOME] = IRON_KEY_HOME;
keyTranslated[VK_LEFT] = IRON_KEY_LEFT;
keyTranslated[VK_UP] = IRON_KEY_UP;
keyTranslated[VK_RIGHT] = IRON_KEY_RIGHT;
keyTranslated[VK_DOWN] = IRON_KEY_DOWN;
keyTranslated[VK_PRINT] = IRON_KEY_PRINT;
keyTranslated[VK_INSERT] = IRON_KEY_INSERT;
keyTranslated[VK_DELETE] = IRON_KEY_DELETE;
keyTranslated[VK_HELP] = IRON_KEY_HELP;
keyTranslated[0x30] = IRON_KEY_0;
keyTranslated[0x31] = IRON_KEY_1;
keyTranslated[0x32] = IRON_KEY_2;
keyTranslated[0x33] = IRON_KEY_3;
keyTranslated[0x34] = IRON_KEY_4;
keyTranslated[0x35] = IRON_KEY_5;
keyTranslated[0x36] = IRON_KEY_6;
keyTranslated[0x37] = IRON_KEY_7;
keyTranslated[0x38] = IRON_KEY_8;
keyTranslated[0x39] = IRON_KEY_9;
keyTranslated[0x41] = IRON_KEY_A;
keyTranslated[0x42] = IRON_KEY_B;
keyTranslated[0x43] = IRON_KEY_C;
keyTranslated[0x44] = IRON_KEY_D;
keyTranslated[0x45] = IRON_KEY_E;
keyTranslated[0x46] = IRON_KEY_F;
keyTranslated[0x47] = IRON_KEY_G;
keyTranslated[0x48] = IRON_KEY_H;
keyTranslated[0x49] = IRON_KEY_I;
keyTranslated[0x4A] = IRON_KEY_J;
keyTranslated[0x4B] = IRON_KEY_K;
keyTranslated[0x4C] = IRON_KEY_L;
keyTranslated[0x4D] = IRON_KEY_M;
keyTranslated[0x4E] = IRON_KEY_N;
keyTranslated[0x4F] = IRON_KEY_O;
keyTranslated[0x50] = IRON_KEY_P;
keyTranslated[0x51] = IRON_KEY_Q;
keyTranslated[0x52] = IRON_KEY_R;
keyTranslated[0x53] = IRON_KEY_S;
keyTranslated[0x54] = IRON_KEY_T;
keyTranslated[0x55] = IRON_KEY_U;
keyTranslated[0x56] = IRON_KEY_V;
keyTranslated[0x57] = IRON_KEY_W;
keyTranslated[0x58] = IRON_KEY_X;
keyTranslated[0x59] = IRON_KEY_Y;
keyTranslated[0x5A] = IRON_KEY_Z;
keyTranslated[VK_LWIN] = IRON_KEY_WIN;
keyTranslated[VK_RWIN] = IRON_KEY_WIN;
keyTranslated[VK_APPS] = IRON_KEY_CONTEXT_MENU;
keyTranslated[VK_NUMPAD0] = IRON_KEY_NUMPAD_0;
keyTranslated[VK_NUMPAD1] = IRON_KEY_NUMPAD_1;
keyTranslated[VK_NUMPAD2] = IRON_KEY_NUMPAD_2;
keyTranslated[VK_NUMPAD3] = IRON_KEY_NUMPAD_3;
keyTranslated[VK_NUMPAD4] = IRON_KEY_NUMPAD_4;
keyTranslated[VK_NUMPAD5] = IRON_KEY_NUMPAD_5;
keyTranslated[VK_NUMPAD6] = IRON_KEY_NUMPAD_6;
keyTranslated[VK_NUMPAD7] = IRON_KEY_NUMPAD_7;
keyTranslated[VK_NUMPAD8] = IRON_KEY_NUMPAD_8;
keyTranslated[VK_NUMPAD9] = IRON_KEY_NUMPAD_9;
keyTranslated[VK_MULTIPLY] = IRON_KEY_MULTIPLY;
keyTranslated[VK_ADD] = IRON_KEY_ADD;
keyTranslated[VK_SUBTRACT] = IRON_KEY_SUBTRACT;
keyTranslated[VK_DECIMAL] = IRON_KEY_DECIMAL;
keyTranslated[VK_DIVIDE] = IRON_KEY_DIVIDE;
keyTranslated[VK_F1] = IRON_KEY_F1;
keyTranslated[VK_F2] = IRON_KEY_F2;
keyTranslated[VK_F3] = IRON_KEY_F3;
keyTranslated[VK_F4] = IRON_KEY_F4;
keyTranslated[VK_F5] = IRON_KEY_F5;
keyTranslated[VK_F6] = IRON_KEY_F6;
keyTranslated[VK_F7] = IRON_KEY_F7;
keyTranslated[VK_F8] = IRON_KEY_F8;
keyTranslated[VK_F9] = IRON_KEY_F9;
keyTranslated[VK_F10] = IRON_KEY_F10;
keyTranslated[VK_F11] = IRON_KEY_F11;
keyTranslated[VK_F12] = IRON_KEY_F12;
keyTranslated[VK_F13] = IRON_KEY_F13;
keyTranslated[VK_F14] = IRON_KEY_F14;
keyTranslated[VK_F15] = IRON_KEY_F15;
keyTranslated[VK_F16] = IRON_KEY_F16;
keyTranslated[VK_F17] = IRON_KEY_F17;
keyTranslated[VK_F18] = IRON_KEY_F18;
keyTranslated[VK_F19] = IRON_KEY_F19;
keyTranslated[VK_F20] = IRON_KEY_F20;
keyTranslated[VK_F21] = IRON_KEY_F21;
keyTranslated[VK_F22] = IRON_KEY_F22;
keyTranslated[VK_F23] = IRON_KEY_F23;
keyTranslated[VK_F24] = IRON_KEY_F24;
keyTranslated[VK_NUMLOCK] = IRON_KEY_NUM_LOCK;
keyTranslated[VK_SCROLL] = IRON_KEY_SCROLL_LOCK;
keyTranslated[VK_LSHIFT] = IRON_KEY_SHIFT;
keyTranslated[VK_RSHIFT] = IRON_KEY_SHIFT;
keyTranslated[VK_LCONTROL] = IRON_KEY_CONTROL;
keyTranslated[VK_RCONTROL] = IRON_KEY_CONTROL;
keyTranslated[VK_OEM_1] = IRON_KEY_SEMICOLON;
keyTranslated[VK_OEM_PLUS] = IRON_KEY_PLUS;
keyTranslated[VK_OEM_COMMA] = IRON_KEY_COMMA;
keyTranslated[VK_OEM_MINUS] = IRON_KEY_HYPHEN_MINUS;
keyTranslated[VK_OEM_PERIOD] = IRON_KEY_PERIOD;
keyTranslated[VK_OEM_2] = IRON_KEY_SLASH;
keyTranslated[VK_OEM_3] = IRON_KEY_BACK_QUOTE;
keyTranslated[VK_OEM_4] = IRON_KEY_OPEN_BRACKET;
keyTranslated[VK_OEM_5] = IRON_KEY_BACK_SLASH;
keyTranslated[VK_OEM_6] = IRON_KEY_CLOSE_BRACKET;
keyTranslated[VK_OEM_7] = IRON_KEY_QUOTE;
}
#ifdef WITH_GAMEPAD
static bool detectGamepad = true;
static bool gamepadFound = false;
#endif
#define HANDLE_ALT_ENTER
static bool cursors_initialized = false;
static int cursor = 0;
#define NUM_CURSORS 14
static HCURSOR cursors[NUM_CURSORS];
static bool bg_erased = false;
void iron_mouse_set_cursor(int set_cursor) {
cursor = set_cursor >= NUM_CURSORS ? 0 : set_cursor;
if (cursors_initialized) {
SetCursor(cursors[cursor]);
}
}
LRESULT WINAPI IronWindowsMessageProcedure(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
DWORD pointerId;
POINTER_INFO pointerInfo = {0};
POINTER_PEN_INFO penInfo = {0};
static bool controlDown = false;
#ifdef HANDLE_ALT_ENTER
static bool altDown = false;
#endif
static int last_window_width = -1;
static int last_window_height = -1;
static int last_window_x = INT_MIN;
static int last_window_y = INT_MIN;
switch (msg) {
case WM_NCCREATE:
EnableNonClientDpiScaling(hWnd);
break;
case WM_DPICHANGED: {
break;
}
case WM_MOVE:
case WM_MOVING:
case WM_SIZING:
// Scheduler::breakTime();
break;
case WM_SIZE: {
int width = LOWORD(lParam);
int height = HIWORD(lParam);
gpu_resize(width, height);
iron_internal_call_resize_callback(width, height);
break;
}
case WM_CLOSE: {
if (iron_internal_call_close_callback()) {
iron_window_destroy();
iron_stop();
return 0;
}
return 0;
}
case WM_ERASEBKGND: {
if (bg_erased) {
return 1;
}
bg_erased = true;
}
case WM_ACTIVATE:
if (LOWORD(wParam) == WA_ACTIVE || LOWORD(wParam) == WA_CLICKACTIVE) {
iron_internal_mouse_window_activated();
iron_internal_foreground_callback();
}
else {
iron_internal_mouse_window_deactivated();
iron_internal_background_callback();
#ifdef HANDLE_ALT_ENTER
altDown = false;
#endif
}
RegisterTouchWindow(hWnd, 0);
break;
case WM_MOUSELEAVE:
break;
case WM_MOUSEMOVE:
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_move(mouseX, mouseY);
break;
case WM_CREATE:
cursors[0] = LoadCursor(0, IDC_ARROW);
cursors[1] = LoadCursor(0, IDC_HAND);
cursors[2] = LoadCursor(0, IDC_IBEAM);
cursors[3] = LoadCursor(0, IDC_SIZEWE);
cursors[4] = LoadCursor(0, IDC_SIZENS);
cursors[5] = LoadCursor(0, IDC_SIZENESW);
cursors[6] = LoadCursor(0, IDC_SIZENWSE);
cursors[7] = LoadCursor(0, IDC_SIZENWSE);
cursors[8] = LoadCursor(0, IDC_SIZENESW);
cursors[9] = LoadCursor(0, IDC_SIZEALL);
cursors[10] = LoadCursor(0, IDC_SIZEALL);
cursors[11] = LoadCursor(0, IDC_NO);
cursors[12] = LoadCursor(0, IDC_WAIT);
cursors[13] = LoadCursor(0, IDC_CROSS);
cursors_initialized = true;
if (cursor != 0) {
SetCursor(cursors[cursor]);
}
return TRUE;
case WM_SETCURSOR:
if (LOWORD(lParam) == HTCLIENT) {
SetCursor(cursors[cursor]);
return TRUE;
}
break;
case WM_LBUTTONDOWN:
if (!iron_mouse_is_locked())
SetCapture(hWnd);
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_press(0, mouseX, mouseY);
break;
case WM_LBUTTONUP:
if (!iron_mouse_is_locked())
ReleaseCapture();
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_release(0, mouseX, mouseY);
break;
case WM_RBUTTONDOWN:
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_press(1, mouseX, mouseY);
break;
case WM_RBUTTONUP:
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_release(1, mouseX, mouseY);
break;
case WM_MBUTTONDOWN:
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_press(2, mouseX, mouseY);
break;
case WM_MBUTTONUP:
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_release(2, mouseX, mouseY);
break;
case WM_XBUTTONDOWN:
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_press(HIWORD(wParam) + 2, mouseX, mouseY);
break;
case WM_XBUTTONUP:
mouseX = GET_X_LPARAM(lParam);
mouseY = GET_Y_LPARAM(lParam);
iron_internal_mouse_trigger_release(HIWORD(wParam) + 2, mouseX, mouseY);
break;
case WM_MOUSEWHEEL:
iron_internal_mouse_trigger_scroll(GET_WHEEL_DELTA_WPARAM(wParam) / -120);
break;
case WM_POINTERDOWN:
pointerId = GET_POINTERID_WPARAM(wParam);
GetPointerInfo(pointerId, &pointerInfo);
if (pointerInfo.pointerType == PT_PEN) {
GetPointerPenInfo(pointerId, &penInfo);
ScreenToClient(hWnd, &pointerInfo.ptPixelLocation);
iron_internal_pen_trigger_press(pointerInfo.ptPixelLocation.x, pointerInfo.ptPixelLocation.y,
penInfo.pressure / 1024.0f);
}
break;
case WM_POINTERUP:
pointerId = GET_POINTERID_WPARAM(wParam);
GetPointerInfo(pointerId, &pointerInfo);
if (pointerInfo.pointerType == PT_PEN) {
GetPointerPenInfo(pointerId, &penInfo);
ScreenToClient(hWnd, &pointerInfo.ptPixelLocation);
iron_internal_pen_trigger_release(pointerInfo.ptPixelLocation.x, pointerInfo.ptPixelLocation.y,
penInfo.pressure / 1024.0f);
}
break;
case WM_POINTERUPDATE:
pointerId = GET_POINTERID_WPARAM(wParam);
GetPointerInfo(pointerId, &pointerInfo);
if (pointerInfo.pointerType == PT_PEN) {
GetPointerPenInfo(pointerId, &penInfo);
ScreenToClient(hWnd, &pointerInfo.ptPixelLocation);
iron_internal_pen_trigger_move(pointerInfo.ptPixelLocation.x, pointerInfo.ptPixelLocation.y,
penInfo.pressure / 1024.0f);
}
break;
case WM_TOUCH: {
BOOL bHandled = FALSE;
UINT cInputs = LOWORD(wParam);
PTOUCHINPUT pInputs = _alloca(cInputs * sizeof(TOUCHINPUT));
POINT ptInput;
int tindex;
if (pInputs) {
if (GetTouchInputInfo((HTOUCHINPUT)lParam, cInputs, pInputs, sizeof(TOUCHINPUT))) {
for (int i = 0; i < (int)cInputs; i++) {
TOUCHINPUT ti = pInputs[i];
if (ti.dwID != 0) {
ptInput.x = TOUCH_COORD_TO_PIXEL(ti.x);
ptInput.y = TOUCH_COORD_TO_PIXEL(ti.y);
ScreenToClient(hWnd, &ptInput);
if (ti.dwFlags & TOUCHEVENTF_UP) {
tindex = GetTouchIndex(ti.dwID);
ReleaseTouchIndex(ti.dwID);
iron_internal_surface_trigger_touch_end(tindex, ptInput.x, ptInput.y);
}
else {
bool touchExisits = GetTouchIndex(ti.dwID) != -1;
tindex = GetAddTouchIndex(ti.dwID);
if (tindex >= 0) {
if (touchExisits) {
if (touchPoints[tindex].x != ptInput.x || touchPoints[tindex].y != ptInput.y) {
touchPoints[tindex].x = ptInput.x;
touchPoints[tindex].y = ptInput.y;
iron_internal_surface_trigger_move(tindex, ptInput.x, ptInput.y);
}
}
else {
touchPoints[tindex].x = ptInput.x;
touchPoints[tindex].y = ptInput.y;
iron_internal_surface_trigger_touch_start(tindex, ptInput.x, ptInput.y);
}
}
}
}
bHandled = TRUE;
if (!CloseTouchInputHandle((HTOUCHINPUT)lParam)) {
}
}
}
}
if (bHandled)
CloseTouchInputHandle((HTOUCHINPUT)lParam);
else
DefWindowProcW(hWnd, WM_TOUCH, wParam, lParam);
InvalidateRect(hWnd, NULL, FALSE);
} break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
if (!keyPressed[wParam]) {
keyPressed[wParam] = true;
if (keyTranslated[wParam] == IRON_KEY_CONTROL) {
controlDown = true;
}
#ifdef HANDLE_ALT_ENTER
else if (keyTranslated[wParam] == IRON_KEY_ALT) {
altDown = true;
}
#endif
else {
if (controlDown && keyTranslated[wParam] == IRON_KEY_X) {
char *text = iron_internal_cut_callback();
if (text != NULL) {
wchar_t wtext[4096];
MultiByteToWideChar(CP_UTF8, 0, text, -1, wtext, 4096);
OpenClipboard(hWnd);
EmptyClipboard();
size_t size = (wcslen(wtext) + 1) * sizeof(wchar_t);
HANDLE handle = GlobalAlloc(GMEM_MOVEABLE, size);
void *data = GlobalLock(handle);
memcpy(data, wtext, size);
GlobalUnlock(handle);
SetClipboardData(CF_UNICODETEXT, handle);
CloseClipboard();
}
}
if (controlDown && keyTranslated[wParam] == IRON_KEY_C) {
char *text = iron_internal_copy_callback();
if (text != NULL) {
iron_copy_to_clipboard(text);
}
}
if (controlDown && keyTranslated[wParam] == IRON_KEY_V) {
if (IsClipboardFormatAvailable(CF_UNICODETEXT)) {
OpenClipboard(hWnd);
HANDLE handle = GetClipboardData(CF_UNICODETEXT);
if (handle != NULL) {
wchar_t *wtext = (wchar_t *)GlobalLock(handle);
if (wtext != NULL) {
char text[4096];
WideCharToMultiByte(CP_UTF8, 0, wtext, -1, text, 4096, NULL, NULL);
iron_internal_paste_callback(text);
GlobalUnlock(handle);
}
}
CloseClipboard();
}
}
#ifdef HANDLE_ALT_ENTER
if (altDown && keyTranslated[wParam] == IRON_KEY_RETURN) {
if (iron_window_get_mode() == IRON_WINDOW_MODE_WINDOW) {
last_window_width = iron_window_width();
last_window_height = iron_window_height();
last_window_x = iron_window_x();
last_window_y = iron_window_y();
iron_window_change_mode(IRON_WINDOW_MODE_FULLSCREEN);
}
else {
iron_window_change_mode(IRON_WINDOW_MODE_WINDOW);
if (last_window_width > 0 && last_window_height > 0) {
iron_window_resize(last_window_width, last_window_height);
}
if (last_window_x > INT_MIN && last_window_y > INT_MIN) {
iron_window_move(last_window_x, last_window_y);
}
}
}
#endif
}
// No auto-repeat
iron_internal_keyboard_trigger_key_down(keyTranslated[wParam]);
}
// Auto-repeat
// iron_internal_keyboard_trigger_key_down(keyTranslated[wParam]);
break;
case WM_KEYUP:
case WM_SYSKEYUP:
keyPressed[wParam] = false;
if (keyTranslated[wParam] == IRON_KEY_CONTROL) {
controlDown = false;
}
#ifdef HANDLE_ALT_ENTER
if (keyTranslated[wParam] == IRON_KEY_ALT) {
altDown = false;
}
#endif
iron_internal_keyboard_trigger_key_up(keyTranslated[wParam]);
break;
case WM_CHAR:
switch (wParam) {
case 0x1B: // escape
break;
default:
iron_internal_keyboard_trigger_key_press((unsigned)wParam);
break;
}
break;
case WM_SYSCOMMAND:
switch (wParam) {
case SC_KEYMENU:
return 0;
case SC_SCREENSAVE:
case SC_MONITORPOWER:
return 0;
case SC_MINIMIZE:
break;
case SC_RESTORE:
case SC_MAXIMIZE:
break;
}
break;
case WM_DEVICECHANGE:
#ifdef WITH_GAMEPAD
detectGamepad = true;
#endif
break;
case WM_DROPFILES: {
HDROP hDrop = (HDROP)wParam;
unsigned count = DragQueryFileW(hDrop, 0xFFFFFFFF, NULL, 0);
for (unsigned i = 0; i < count; ++i) {
wchar_t filePath[260];
if (DragQueryFileW(hDrop, i, filePath, 260)) {
iron_internal_drop_files_callback(filePath);
}
}
DragFinish(hDrop);
break;
}
}
return DefWindowProcW(hWnd, msg, wParam, lParam);
}
bool iron_internal_handle_messages() {
MSG message;
while (PeekMessageW(&message, 0, 0, 0, PM_REMOVE)) {
TranslateMessage(&message);
DispatchMessageW(&message);
}
#ifdef WITH_GAMEPAD
iron_gamepad_handle_messages();
#endif
return true;
}
static bool keyboardshown = false;
static char language[3] = {0};
void iron_keyboard_show() {
keyboardshown = true;
}
void iron_keyboard_hide() {
keyboardshown = false;
}
bool iron_keyboard_active() {
return keyboardshown;
}
void iron_load_url(const char *url) {
if (strncmp(url, "http://", sizeof("http://") - 1) == 0 || strncmp(url, "https://", sizeof("https://") - 1) == 0) {
wchar_t wurl[1024];
MultiByteToWideChar(CP_UTF8, 0, url, -1, wurl, 1024);
INT_PTR ret = (INT_PTR)ShellExecuteW(NULL, L"open", wurl, NULL, NULL, SW_SHOWNORMAL);
if (ret <= 32) {
iron_log("Error opening url %s", url);
}
}
}
void iron_set_keep_screen_on(bool on) {}
const char *iron_language() {
wchar_t wlanguage[3] = {0};
if (GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT, LOCALE_SISO639LANGNAME, wlanguage, 3)) {
WideCharToMultiByte(CP_UTF8, 0, wlanguage, -1, language, 3, NULL, NULL);
return language;
}
return "en";
}
const char *iron_system_id() {
return "Windows";
}
static bool co_initialized = false;
void iron_windows_co_initialize(void) {
if (!co_initialized) {
CoInitializeEx(0, COINIT_MULTITHREADED);
co_initialized = true;
}
}
static wchar_t savePathw[2048] = {0};
static char savePath[2048] = {0};
static void findSavePath() {
iron_windows_co_initialize();
IKnownFolderManager *folders = NULL;
CoCreateInstance(&CLSID_KnownFolderManager, NULL, CLSCTX_INPROC_SERVER, &IID_IKnownFolderManager, (LPVOID *)&folders);
IKnownFolder *folder = NULL;
folders->lpVtbl->GetFolder(folders, &FOLDERID_SavedGames, &folder);
LPWSTR path;
folder->lpVtbl->GetPath(folder, 0, &path);
wcscpy(savePathw, path);
wcscat(savePathw, L"\\");
wchar_t name[1024];
MultiByteToWideChar(CP_UTF8, 0, iron_application_name(), -1, name, 1024);
wcscat(savePathw, name);
wcscat(savePathw, L"\\");
SHCreateDirectoryExW(NULL, savePathw, NULL);
WideCharToMultiByte(CP_UTF8, 0, savePathw, -1, savePath, 1024, NULL, NULL);
CoTaskMemFree(path);
folder->lpVtbl->Release(folder);
folders->lpVtbl->Release(folders);
}
const char *iron_internal_save_path() {
if (savePath[0] == 0)
findSavePath();
return savePath;
}
static const char *videoFormats[] = {"ogv", NULL};
static LARGE_INTEGER frequency;
static LARGE_INTEGER startCount;
const char **iron_video_formats() {
return videoFormats;
}
double iron_frequency() {
return (double)frequency.QuadPart;
}
uint64_t iron_timestamp(void) {
LARGE_INTEGER stamp;
QueryPerformanceCounter(&stamp);
return stamp.QuadPart - startCount.QuadPart;
}
double iron_time(void) {
LARGE_INTEGER stamp;
QueryPerformanceCounter(&stamp);
return (double)(stamp.QuadPart - startCount.QuadPart) / (double)frequency.QuadPart;
}
#if !defined(IRON_NO_MAIN) && !defined(IRON_NO_CLIB)
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
int ret = kickstart(__argc, __argv);
if (ret != 0) {
#ifdef NDEBUG
MessageBox(0, L"Unknown Error", L"Error", MB_OK);
#else
__debugbreak();
#endif
}
return ret;
}
#endif
void iron_init(iron_window_options_t *win) {
initKeyTranslation();
for (int i = 0; i < 256; ++i) {
keyPressed[i] = false;
}
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
touchPoints[i].sysID = -1;
touchPoints[i].x = -1;
touchPoints[i].y = -1;
}
iron_display_init();
QueryPerformanceCounter(&startCount);
QueryPerformanceFrequency(&frequency);
for (int i = 0; i < 256; ++i) {
keyPressed[i] = false;
}
iron_set_app_name(win->title);
iron_window_create(win);
#ifdef WITH_GAMEPAD
loadXInput();
initializeDirectInput();
#endif
}
void iron_internal_shutdown() {
iron_windows_hide_windows();
iron_internal_shutdown_callback();
iron_windows_destroy_windows();
gpu_destroy();
iron_windows_restore_displays();
}
void iron_copy_to_clipboard(const char *text) {
wchar_t wtext[4096];
MultiByteToWideChar(CP_UTF8, 0, text, -1, wtext, 4096);
OpenClipboard(iron_windows_window_handle(0));
EmptyClipboard();
size_t size = (wcslen(wtext) + 1) * sizeof(wchar_t);
HANDLE handle = GlobalAlloc(GMEM_MOVEABLE, size);
void *data = GlobalLock(handle);
memcpy(data, wtext, size);
GlobalUnlock(handle);
SetClipboardData(CF_UNICODETEXT, handle);
CloseClipboard();
}
int iron_hardware_threads(void) {
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
return sysinfo.dwNumberOfProcessors;
}
struct HWND__;
typedef unsigned long DWORD;
// Dark mode
#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
#endif
struct HWND__ *iron_windows_window_handle();
// Enable visual styles for ui controls
#pragma comment(linker,"\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
typedef struct {
struct HWND__ *handle;
int display_index;
bool mouseInside;
int index;
int x, y, mode, bpp, frequency, features;
int manualWidth, manualHeight;
void (*resizeCallback)(int x, int y, void *data);
void *resizeCallbackData;
bool (*closeCallback)(void *data);
void *closeCallbackData;
} WindowData;
LRESULT WINAPI IronWindowsMessageProcedure(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
static WindowData windows[1] = {0};
const wchar_t *windowClassName = L"IronWindow";
static void RegisterWindowClass(HINSTANCE hInstance, const wchar_t *className) {
WNDCLASSEXW wc = {sizeof(WNDCLASSEXA),
CS_OWNDC /*CS_CLASSDC*/,
IronWindowsMessageProcedure,
0L,
0L,
hInstance,
LoadIconW(hInstance, MAKEINTRESOURCEW(107)),
LoadCursor(NULL, IDC_ARROW),
CreateSolidBrush(0x00202020),
0,
className,
0};
RegisterClassExW(&wc);
}
static DWORD getStyle(int features) {
DWORD style = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_POPUP;
if ((features & IRON_WINDOW_FEATURE_RESIZEABLE) && ((features & IRON_WINDOW_FEATURE_BORDERLESS) == 0)) {
style |= WS_SIZEBOX;
}
if (features & IRON_WINDOW_FEATURE_MAXIMIZABLE) {
style |= WS_MAXIMIZEBOX;
}
if (features & IRON_WINDOW_FEATURE_MINIMIZABLE) {
style |= WS_MINIMIZEBOX;
}
if ((features & IRON_WINDOW_FEATURE_BORDERLESS) == 0) {
style |= WS_CAPTION | WS_SYSMENU;
}
return style;
}
static DWORD getExStyle(int features) {
DWORD exStyle = WS_EX_APPWINDOW;
if ((features & IRON_WINDOW_FEATURE_BORDERLESS) == 0) {
exStyle |= WS_EX_WINDOWEDGE;
}
if (features & IRON_WINDOW_FEATURE_ON_TOP) {
exStyle |= WS_EX_TOPMOST;
}
return exStyle;
}
int iron_window_x() {
RECT rect;
GetWindowRect(windows[0].handle, &rect);
windows[0].x = rect.left;
return windows[0].x;
}
int iron_window_y() {
RECT rect;
GetWindowRect(windows[0].handle, &rect);
windows[0].y = rect.top;
return windows[0].y;
}
int iron_window_width() {
RECT rect;
GetClientRect(windows[0].handle, &rect);
return rect.right;
}
int iron_window_height() {
RECT rect;
GetClientRect(windows[0].handle, &rect);
return rect.bottom;
}
static DWORD getDwStyle(iron_window_mode_t mode, int features) {
switch (mode) {
case IRON_WINDOW_MODE_FULLSCREEN:
return WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_POPUP;
case IRON_WINDOW_MODE_WINDOW:
default:
return getStyle(features);
}
}
static DWORD getDwExStyle(iron_window_mode_t mode, int features) {
switch (mode) {
case IRON_WINDOW_MODE_FULLSCREEN:
return WS_EX_APPWINDOW;
case IRON_WINDOW_MODE_WINDOW:
default:
return getExStyle(features);
}
}
static void createWindow(const wchar_t *title, int x, int y, int width, int height, int bpp, int frequency, int features, iron_window_mode_t windowMode,
int target_display_index) {
HINSTANCE inst = GetModuleHandleW(NULL);
RegisterWindowClass(inst, windowClassName);
int display_index = target_display_index == -1 ? iron_primary_display() : target_display_index;
RECT WindowRect;
WindowRect.left = 0;
WindowRect.right = width;
WindowRect.top = 0;
WindowRect.bottom = height;
AdjustWindowRectEx(&WindowRect, getDwStyle(windowMode, features), FALSE, getDwExStyle(windowMode, features));
iron_display_mode_t display_mode = iron_display_current_mode(display_index);
int dstx = display_mode.x;
int dsty = display_mode.y;
int dstw = width;
int dsth = height;
switch (windowMode) {
case IRON_WINDOW_MODE_WINDOW:
dstx += x < 0 ? (display_mode.width - width) / 2 : x;
dsty += y < 0 ? (display_mode.height - height) / 2 : y;
dstw = WindowRect.right - WindowRect.left;
dsth = WindowRect.bottom - WindowRect.top;
break;
case IRON_WINDOW_MODE_FULLSCREEN:
dstw = display_mode.width;
dsth = display_mode.height;
break;
}
HWND hwnd = CreateWindowExW(getDwExStyle(windowMode, features), windowClassName, title, getDwStyle(windowMode, features), dstx, dsty, dstw, dsth, NULL, NULL,
inst, NULL);
SetCursor(LoadCursor(NULL, IDC_ARROW));
DragAcceptFiles(hwnd, true);
windows[0].handle = hwnd;
windows[0].x = dstx;
windows[0].y = dsty;
windows[0].mode = windowMode;
windows[0].display_index = display_index;
windows[0].bpp = bpp;
windows[0].frequency = frequency;
windows[0].features = features;
windows[0].manualWidth = width;
windows[0].manualHeight = height;
// Dark mode
char vdata[4];
DWORD cbdata = 4 * sizeof(char);
RegGetValueW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", L"AppsUseLightTheme", RRF_RT_REG_DWORD, NULL, vdata, &cbdata);
BOOL use_dark_mode = (int)(vdata[3] << 24 | vdata[2] << 16 | vdata[1] << 8 | vdata[0]) != 1;
DwmSetWindowAttribute(iron_windows_window_handle(0), DWMWA_USE_IMMERSIVE_DARK_MODE, &use_dark_mode, sizeof(use_dark_mode));
}
void iron_window_resize(int width, int height) {
WindowData *win = &windows[0];
win->manualWidth = width;
win->manualHeight = height;
switch (win->mode) {
case IRON_WINDOW_MODE_WINDOW: {
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = width;
rect.bottom = height;
AdjustWindowRectEx(&rect, getDwStyle((iron_window_mode_t)win->mode, win->features), FALSE, getDwExStyle((iron_window_mode_t)win->mode, win->features));
SetWindowPos(win->handle, NULL, iron_window_x(), iron_window_y(), rect.right - rect.left, rect.bottom - rect.top, 0);
break;
}
}
}
void iron_window_move(int x, int y) {
WindowData *win = &windows[0];
if (win->mode != 0) {
return;
}
win->x = x;
win->y = y;
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = iron_window_width();
rect.bottom = iron_window_height();
AdjustWindowRectEx(&rect, getDwStyle((iron_window_mode_t)win->mode, win->features), FALSE, getDwExStyle((iron_window_mode_t)win->mode, win->features));
SetWindowPos(win->handle, NULL, x, y, rect.right - rect.left, rect.bottom - rect.top, 0);
}
void iron_window_change_mode(iron_window_mode_t mode) {
WindowData *win = &windows[0];
int display_index = iron_window_display();
iron_display_mode_t display_mode = iron_display_current_mode(display_index);
switch (mode) {
case IRON_WINDOW_MODE_WINDOW: {
iron_windows_restore_display(display_index);
SetWindowLongW(win->handle, GWL_STYLE, getStyle(win->features));
SetWindowLongW(win->handle, GWL_EXSTYLE, getExStyle(win->features));
HWND on_top = (win->features & IRON_WINDOW_FEATURE_ON_TOP) ? HWND_TOPMOST : HWND_NOTOPMOST;
SetWindowPos(win->handle, on_top, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED);
iron_window_show();
break;
}
case IRON_WINDOW_MODE_FULLSCREEN: {
iron_windows_restore_display(display_index);
SetWindowLongW(win->handle, GWL_STYLE, WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_POPUP);
SetWindowLongW(win->handle, GWL_EXSTYLE, WS_EX_APPWINDOW);
SetWindowPos(win->handle, NULL, display_mode.x, display_mode.y, display_mode.width, display_mode.height, 0);
iron_window_show();
break;
}
}
win->mode = mode;
DragAcceptFiles(win->handle, true);
}
iron_window_mode_t iron_window_get_mode() {
return (iron_window_mode_t)windows[0].mode;
}
void iron_window_destroy() {
WindowData *win = &windows[0];
if (win->handle != NULL) {
DestroyWindow(win->handle);
win->handle = NULL;
}
}
void iron_windows_hide_windows(void) {
for (int i = 0; i < 1; ++i) {
if (windows[i].handle != NULL) {
ShowWindow(windows[i].handle, SW_HIDE);
UpdateWindow(windows[i].handle);
}
}
}
void iron_windows_destroy_windows(void) {
for (int i = 0; i < 1; ++i) {
iron_window_destroy(i);
}
UnregisterClassW(windowClassName, GetModuleHandleW(NULL));
}
void iron_window_show() {
ShowWindow(windows[0].handle, SW_SHOWDEFAULT);
UpdateWindow(windows[0].handle);
}
void iron_window_hide() {
ShowWindow(windows[0].handle, SW_HIDE);
UpdateWindow(windows[0].handle);
}
void iron_window_set_title(const char *title) {
wchar_t buffer[1024];
MultiByteToWideChar(CP_UTF8, 0, title, -1, buffer, 1024);
SetWindowTextW(windows[0].handle, buffer);
}
void iron_window_create(iron_window_options_t *win) {
wchar_t wbuffer[1024];
MultiByteToWideChar(CP_UTF8, 0, win->title, -1, wbuffer, 1024);
createWindow(wbuffer, win->x, win->y, win->width, win->height, win->color_bits, win->frequency, win->features, win->mode, win->display_index);
gpu_init(win->depth_bits, win->vsync);
if (win->visible) {
iron_window_show();
}
}
void iron_window_set_resize_callback(void (*callback)(int x, int y, void *data), void *data) {
windows[0].resizeCallback = callback;
windows[0].resizeCallbackData = data;
}
void iron_window_set_close_callback(bool (*callback)(void *data), void *data) {
windows[0].closeCallback = callback;
windows[0].closeCallbackData = data;
}
int iron_window_display() {
return iron_windows_get_display_for_monitor(MonitorFromWindow(windows[0].handle, MONITOR_DEFAULTTOPRIMARY));
}
struct HWND__ *iron_windows_window_handle() {
return windows[0].handle;
}
void iron_internal_call_resize_callback(int width, int height) {
if (windows[0].resizeCallback != NULL) {
windows[0].resizeCallback(width, height, windows[0].resizeCallbackData);
}
}
bool iron_internal_call_close_callback() {
if (windows[0].closeCallback != NULL) {
return windows[0].closeCallback(windows[0].closeCallbackData);
}
return true;
}
#ifdef WITH_GAMEPAD
bool iron_gamepad_connected(int num) {
return isXInputGamepad(num) || isDirectInputGamepad(num);
}
void iron_gamepad_rumble(int gamepad, float left, float right) {
if (isXInputGamepad(gamepad)) {
XINPUT_VIBRATION vibration;
memset(&vibration, 0, sizeof(XINPUT_VIBRATION));
vibration.wLeftMotorSpeed = (WORD)(65535.f * left);
vibration.wRightMotorSpeed = (WORD)(65535.f * right);
InputSetState(gamepad, &vibration);
}
}
#include <dinput.h>
#include <XInput.h>
static float axes[12 * 6];
static float buttons[12 * 16];
typedef DWORD(WINAPI *XInputGetStateType)(DWORD dwUserIndex, XINPUT_STATE *pState);
typedef DWORD(WINAPI *XInputSetStateType)(DWORD dwUserIndex, XINPUT_VIBRATION *pVibration);
static XInputGetStateType InputGetState = NULL;
static XInputSetStateType InputSetState = NULL;
void loadXInput() {
HMODULE lib = LoadLibraryA("xinput1_4.dll");
if (lib == NULL) {
lib = LoadLibraryA("xinput1_3.dll");
}
if (lib == NULL) {
lib = LoadLibraryA("xinput9_1_0.dll");
}
if (lib != NULL) {
InputGetState = (XInputGetStateType)GetProcAddress(lib, "XInputGetState");
InputSetState = (XInputSetStateType)GetProcAddress(lib, "XInputSetState");
}
}
static IDirectInput8W *di_instance = NULL;
static IDirectInputDevice8W *di_pads[IRON_DINPUT_MAX_COUNT];
static DIJOYSTATE2 di_padState[IRON_DINPUT_MAX_COUNT];
static DIJOYSTATE2 di_lastPadState[IRON_DINPUT_MAX_COUNT];
static DIDEVCAPS di_deviceCaps[IRON_DINPUT_MAX_COUNT];
static int padCount = 0;
static void cleanupPad(int padIndex) {
if (di_pads[padIndex] != NULL) {
di_pads[padIndex]->lpVtbl->Unacquire(di_pads[padIndex]);
di_pads[padIndex]->lpVtbl->Release(di_pads[padIndex]);
di_pads[padIndex] = 0;
}
}
#ifndef SAFE_RELEASE
#define SAFE_RELEASE(x) \
if (x != NULL) { \
x->lpVtbl->Release(x); \
x = NULL; \
}
#endif
// From
//-----------------------------------------------------------------------------
// Enum each PNP device using WMI and check each device ID to see if it contains
// "IG_" (ex. "VID_045E&PID_028E&IG_00"). If it does, then it's an XInput device
// Unfortunately this information can not be found by just using DirectInput
//-----------------------------------------------------------------------------
static BOOL IsXInputDevice(const GUID *pGuidProductFromDirectInput) {
IWbemLocator *pIWbemLocator = NULL;
IEnumWbemClassObject *pEnumDevices = NULL;
IWbemClassObject *pDevices[20] = {0};
IWbemServices *pIWbemServices = NULL;
BSTR bstrNamespace = NULL;
BSTR bstrDeviceID = NULL;
BSTR bstrClassName = NULL;
DWORD uReturned = 0;
bool bIsXinputDevice = false;
UINT iDevice = 0;
VARIANT var;
HRESULT hr;
// CoInit if needed
hr = CoInitialize(NULL);
bool bCleanupCOM = SUCCEEDED(hr);
// Create WMI
hr = CoCreateInstance(&CLSID_WbemLocator, NULL, CLSCTX_INPROC_SERVER, &IID_IWbemLocator, (LPVOID *)&pIWbemLocator);
if (FAILED(hr) || pIWbemLocator == NULL)
goto LCleanup;
bstrNamespace = SysAllocString(L"\\\\.\\root\\cimv2");
if (bstrNamespace == NULL)
goto LCleanup;
bstrClassName = SysAllocString(L"Win32_PNPEntity");
if (bstrClassName == NULL)
goto LCleanup;
bstrDeviceID = SysAllocString(L"DeviceID");
if (bstrDeviceID == NULL)
goto LCleanup;
// Connect to WMI
hr = pIWbemLocator->lpVtbl->ConnectServer(pIWbemLocator, bstrNamespace, NULL, NULL, 0L, 0L, NULL, NULL, &pIWbemServices);
if (FAILED(hr) || pIWbemServices == NULL)
goto LCleanup;
// Switch security level to IMPERSONATE.
CoSetProxyBlanket((IUnknown *)pIWbemServices, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL,
EOAC_NONE);
hr = pIWbemServices->lpVtbl->CreateInstanceEnum(pIWbemServices, bstrClassName, 0, NULL, &pEnumDevices);
if (FAILED(hr) || pEnumDevices == NULL)
goto LCleanup;
// Loop over all devices
for (;;) {
// Get 20 at a time
hr = pEnumDevices->lpVtbl->Next(pEnumDevices, 10000, 20, pDevices, &uReturned);
if (FAILED(hr))
goto LCleanup;
if (uReturned == 0)
break;
for (iDevice = 0; iDevice < uReturned; iDevice++) {
// For each device, get its device ID
hr = pDevices[iDevice]->lpVtbl->Get(pDevices[iDevice], bstrDeviceID, 0L, &var, NULL, NULL);
if (SUCCEEDED(hr) && var.vt == VT_BSTR && var.bstrVal != NULL) {
// Check if the device ID contains "IG_". If it does, then it's an XInput device
// This information can not be found from DirectInput
// TODO: Doesn't work with an Xbox Series X|S controller
if (wcsstr(var.bstrVal, L"IG_")) {
// If it does, then get the VID/PID from var.bstrVal
DWORD dwPid = 0, dwVid = 0;
WCHAR *strVid = wcsstr(var.bstrVal, L"VID_");
#ifndef IRON_NO_CLIB
if (strVid && swscanf(strVid, L"VID_%4X", &dwVid) != 1) {
dwVid = 0;
}
WCHAR *strPid = wcsstr(var.bstrVal, L"PID_");
if (strPid && swscanf(strPid, L"PID_%4X", &dwPid) != 1) {
dwPid = 0;
}
#endif
// Compare the VID/PID to the DInput device
DWORD dwVidPid = MAKELONG(dwVid, dwPid);
if (dwVidPid == pGuidProductFromDirectInput->Data1) {
bIsXinputDevice = true;
goto LCleanup;
}
}
}
SAFE_RELEASE(pDevices[iDevice]);
}
}
LCleanup:
if (bstrNamespace)
SysFreeString(bstrNamespace);
if (bstrDeviceID)
SysFreeString(bstrDeviceID);
if (bstrClassName)
SysFreeString(bstrClassName);
for (iDevice = 0; iDevice < 20; iDevice++)
SAFE_RELEASE(pDevices[iDevice]);
SAFE_RELEASE(pEnumDevices);
SAFE_RELEASE(pIWbemLocator);
SAFE_RELEASE(pIWbemServices);
if (bCleanupCOM)
CoUninitialize();
return bIsXinputDevice;
}
static void cleanupDirectInput() {
for (int padIndex = 0; padIndex < IRON_DINPUT_MAX_COUNT; ++padIndex) {
cleanupPad(padIndex);
}
if (di_instance != NULL) {
di_instance->lpVtbl->Release(di_instance);
di_instance = NULL;
}
}
static BOOL CALLBACK enumerateJoystickAxesCallback(LPCDIDEVICEOBJECTINSTANCEW ddoi, LPVOID context) {
HWND hwnd = (HWND)context;
DIPROPRANGE propertyRange;
propertyRange.diph.dwSize = sizeof(DIPROPRANGE);
propertyRange.diph.dwHeaderSize = sizeof(DIPROPHEADER);
propertyRange.diph.dwHow = DIPH_BYID;
propertyRange.diph.dwObj = ddoi->dwType;
propertyRange.lMin = -32768;
propertyRange.lMax = 32768;
HRESULT hr = di_pads[padCount]->lpVtbl->SetProperty(di_pads[padCount], DIPROP_RANGE, &propertyRange.diph);
if (FAILED(hr)) {
iron_log("DirectInput8 / Pad%i / SetProperty() failed (HRESULT=0x%x)", padCount, hr);
return DIENUM_STOP;
}
return DIENUM_CONTINUE;
}
static BOOL CALLBACK enumerateJoysticksCallback(LPCDIDEVICEINSTANCEW ddi, LPVOID context) {
if (padCount < XUSER_MAX_COUNT && IsXInputDevice(&ddi->guidProduct)) {
++padCount;
return DIENUM_CONTINUE;
}
HRESULT hr = di_instance->lpVtbl->CreateDevice(di_instance, &ddi->guidInstance, &di_pads[padCount], NULL);
if (SUCCEEDED(hr)) {
hr = di_pads[padCount]->lpVtbl->SetDataFormat(di_pads[padCount], &c_dfDIJoystick2);
if (SUCCEEDED(hr)) {
di_deviceCaps[padCount].dwSize = sizeof(DIDEVCAPS);
hr = di_pads[padCount]->lpVtbl->GetCapabilities(di_pads[padCount], &di_deviceCaps[padCount]);
if (SUCCEEDED(hr)) {
hr = di_pads[padCount]->lpVtbl->EnumObjects(di_pads[padCount], enumerateJoystickAxesCallback, NULL, DIDFT_AXIS);
if (SUCCEEDED(hr)) {
hr = di_pads[padCount]->lpVtbl->Acquire(di_pads[padCount]);
if (SUCCEEDED(hr)) {
memset(&di_padState[padCount], 0, sizeof(DIJOYSTATE2));
hr = di_pads[padCount]->lpVtbl->GetDeviceState(di_pads[padCount], sizeof(DIJOYSTATE2), &di_padState[padCount]);
if (SUCCEEDED(hr)) {
iron_log("DirectInput8 / Pad%i / initialized", padCount);
}
else {
iron_log("DirectInput8 / Pad%i / GetDeviceState() failed (HRESULT=0x%x)", padCount, hr);
}
}
else {
iron_log("DirectInput8 / Pad%i / Acquire() failed (HRESULT=0x%x)", padCount, hr);
cleanupPad(padCount);
}
}
else {
iron_log("DirectInput8 / Pad%i / EnumObjects(DIDFT_AXIS) failed (HRESULT=0x%x)", padCount, hr);
cleanupPad(padCount);
}
}
else {
iron_log("DirectInput8 / Pad%i / GetCapabilities() failed (HRESULT=0x%x)", padCount, hr);
cleanupPad(padCount);
}
}
else {
iron_log("DirectInput8 / Pad%i / SetDataFormat() failed (HRESULT=0x%x)", padCount, hr);
cleanupPad(padCount);
}
++padCount;
if (padCount >= IRON_DINPUT_MAX_COUNT) {
return DIENUM_STOP;
}
}
return DIENUM_CONTINUE;
}
static void initializeDirectInput() {
HINSTANCE hinstance = GetModuleHandleW(NULL);
memset(&di_pads, 0, sizeof(IDirectInputDevice8) * IRON_DINPUT_MAX_COUNT);
memset(&di_padState, 0, sizeof(DIJOYSTATE2) * IRON_DINPUT_MAX_COUNT);
memset(&di_lastPadState, 0, sizeof(DIJOYSTATE2) * IRON_DINPUT_MAX_COUNT);
memset(&di_deviceCaps, 0, sizeof(DIDEVCAPS) * IRON_DINPUT_MAX_COUNT);
// #define DIRECTINPUT_VERSION 0x0800
HRESULT hr = DirectInput8Create(hinstance, 0x0800, &IID_IDirectInput8W, (void **)&di_instance, NULL);
if (SUCCEEDED(hr)) {
hr = di_instance->lpVtbl->EnumDevices(di_instance, DI8DEVCLASS_GAMECTRL, enumerateJoysticksCallback, NULL, DIEDFL_ATTACHEDONLY);
if (SUCCEEDED(hr)) {
}
else {
cleanupDirectInput();
}
}
else {
iron_log("DirectInput8Create failed (HRESULT=0x%x)", hr);
}
}
bool handleDirectInputPad(int padIndex) {
if (di_pads[padIndex] == NULL) {
return false;
}
HRESULT hr = di_pads[padIndex]->lpVtbl->GetDeviceState(di_pads[padIndex], sizeof(DIJOYSTATE2), &di_padState[padIndex]);
switch (hr) {
case S_OK: {
for (int axisIndex = 0; axisIndex < 2; ++axisIndex) {
LONG *now = NULL;
LONG *last = NULL;
switch (axisIndex) {
case 0: {
now = &di_padState[padIndex].lX;
last = &di_lastPadState[padIndex].lX;
} break;
case 1: {
now = &di_padState[padIndex].lY;
last = &di_lastPadState[padIndex].lY;
} break;
case 2: {
now = &di_padState[padIndex].lZ;
last = &di_lastPadState[padIndex].lZ;
} break;
}
if (*now != *last) {
iron_internal_gamepad_trigger_axis(padIndex, axisIndex, *now / 32768.0f);
}
}
for (int buttonIndex = 0; buttonIndex < 128; ++buttonIndex) {
BYTE *now = &di_padState[padIndex].rgbButtons[buttonIndex];
BYTE *last = &di_lastPadState[padIndex].rgbButtons[buttonIndex];
if (*now != *last) {
iron_internal_gamepad_trigger_button(padIndex, buttonIndex, *now / 255.0f);
}
}
for (int povIndex = 0; povIndex < 4; ++povIndex) {
DWORD *now = &di_padState[padIndex].rgdwPOV[povIndex];
DWORD *last = &di_lastPadState[padIndex].rgdwPOV[povIndex];
bool up = (*now == 0 || *now == 31500 || *now == 4500);
bool down = (*now == 18000 || *now == 13500 || *now == 22500);
bool left = (*now == 27000 || *now == 22500 || *now == 31500);
bool right = (*now == 9000 || *now == 4500 || *now == 13500);
bool lastUp = (*last == 0 || *last == 31500 || *last == 4500);
bool lastDown = (*last == 18000 || *last == 13500 || *last == 22500);
bool lastLeft = (*last == 27000 || *last == 22500 || *last == 31500);
bool lastRight = (*last == 9000 || *last == 4500 || *last == 13500);
if (up != lastUp) {
iron_internal_gamepad_trigger_button(padIndex, 12, up ? 1.0f : 0.0f);
}
if (down != lastDown) {
iron_internal_gamepad_trigger_button(padIndex, 13, down ? 1.0f : 0.0f);
}
if (left != lastLeft) {
iron_internal_gamepad_trigger_button(padIndex, 14, left ? 1.0f : 0.0f);
}
if (right != lastRight) {
iron_internal_gamepad_trigger_button(padIndex, 15, right ? 1.0f : 0.0f);
}
}
memcpy(&di_lastPadState[padIndex], &di_padState[padIndex], sizeof(DIJOYSTATE2));
break;
}
case DIERR_INPUTLOST: // fall through
case DIERR_NOTACQUIRED: {
hr = di_pads[padIndex]->lpVtbl->Acquire(di_pads[padIndex]);
break;
}
}
return hr == S_OK;
}
static bool isXInputGamepad(int gamepad) {
//if gamepad is greater than XInput max, treat it as DINPUT.
if (gamepad >= XUSER_MAX_COUNT)
{
return false;
}
XINPUT_STATE state;
memset(&state, 0, sizeof(XINPUT_STATE));
DWORD dwResult = InputGetState(gamepad, &state);
return dwResult == ERROR_SUCCESS;
}
static bool isDirectInputGamepad(int gamepad) {
if (di_pads[gamepad] == NULL) {
return false;
}
HRESULT hr = di_pads[gamepad]->lpVtbl->GetDeviceState(di_pads[gamepad], sizeof(DIJOYSTATE2), &di_padState[gamepad]);
return hr == S_OK;
}
const char *iron_gamepad_vendor(int gamepad) {
if (isXInputGamepad(gamepad)) {
return "Microsoft";
}
else {
return "DirectInput8";
}
}
const char *iron_gamepad_product_name(int gamepad) {
if (isXInputGamepad(gamepad)) {
return "Xbox 360 Controller";
}
else {
return "Generic Gamepad";
}
}
void iron_gamepad_handle_messages() {
if (InputGetState != NULL && (detectGamepad || gamepadFound)) {
detectGamepad = false;
for (DWORD i = 0; i < IRON_DINPUT_MAX_COUNT; ++i) {
XINPUT_STATE state;
memset(&state, 0, sizeof(XINPUT_STATE));
DWORD dwResult = InputGetState(i, &state);
if (dwResult == ERROR_SUCCESS) {
gamepadFound = true;
float newaxes[6];
newaxes[0] = state.Gamepad.sThumbLX / 32768.0f;
newaxes[1] = state.Gamepad.sThumbLY / 32768.0f;
newaxes[2] = state.Gamepad.sThumbRX / 32768.0f;
newaxes[3] = state.Gamepad.sThumbRY / 32768.0f;
newaxes[4] = state.Gamepad.bLeftTrigger / 255.0f;
newaxes[5] = state.Gamepad.bRightTrigger / 255.0f;
for (int i2 = 0; i2 < 6; ++i2) {
if (axes[i * 6 + i2] != newaxes[i2]) {
iron_internal_gamepad_trigger_axis(i, i2, newaxes[i2]);
axes[i * 6 + i2] = newaxes[i2];
}
}
float newbuttons[16];
newbuttons[0] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_A) ? 1.0f : 0.0f;
newbuttons[1] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_B) ? 1.0f : 0.0f;
newbuttons[2] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_X) ? 1.0f : 0.0f;
newbuttons[3] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_Y) ? 1.0f : 0.0f;
newbuttons[4] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_SHOULDER) ? 1.0f : 0.0f;
newbuttons[5] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_SHOULDER) ? 1.0f : 0.0f;
newbuttons[6] = state.Gamepad.bLeftTrigger / 255.0f;
newbuttons[7] = state.Gamepad.bRightTrigger / 255.0f;
newbuttons[8] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_BACK) ? 1.0f : 0.0f;
newbuttons[9] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_START) ? 1.0f : 0.0f;
newbuttons[10] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_THUMB) ? 1.0f : 0.0f;
newbuttons[11] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_THUMB) ? 1.0f : 0.0f;
newbuttons[12] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP) ? 1.0f : 0.0f;
newbuttons[13] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN) ? 1.0f : 0.0f;
newbuttons[14] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT) ? 1.0f : 0.0f;
newbuttons[15] = (state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT) ? 1.0f : 0.0f;
for (int i2 = 0; i2 < 16; ++i2) {
if (buttons[i * 16 + i2] != newbuttons[i2]) {
iron_internal_gamepad_trigger_button(i, i2, newbuttons[i2]);
buttons[i * 16 + i2] = newbuttons[i2];
}
}
}
else {
if (handleDirectInputPad(i)) {
gamepadFound = true;
}
}
}
}
}
#endif
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