/* ** i_input.mm ** **--------------------------------------------------------------------------- ** Copyright 2012-2015 Alexey Lysiuk ** All rights reserved. ** ** Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions ** are met: ** ** 1. Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** 2. Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in the ** documentation and/or other materials provided with the distribution. ** 3. The name of the author may not be used to endorse or promote products ** derived from this software without specific prior written permission. ** ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. **--------------------------------------------------------------------------- ** */ #include "i_common.h" #import #include "c_console.h" #include "c_cvars.h" #include "c_dispatch.h" #include "d_eventbase.h" #include "c_buttons.h" #include "d_gui.h" #include "dikeys.h" #include "v_video.h" #include "i_interface.h" #include "menustate.h" #include "engineerrors.h" #include "keydef.h" EXTERN_CVAR(Int, m_use_mouse) CVAR(Bool, use_mouse, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG) CVAR(Bool, m_noprescale, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG) CVAR(Bool, m_filter, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG) CVAR(Bool, k_allowfullscreentoggle, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG) extern int paused, chatmodeon; extern constate_e ConsoleState; extern bool ToggleFullscreen; bool GUICapture; namespace { // TODO: remove this magic! size_t s_skipMouseMoves; // --------------------------------------------------------------------------- void CheckGUICapture() { bool wantCapt = sysCallbacks && sysCallbacks->WantGuiCapture && sysCallbacks->WantGuiCapture(); if (wantCapt != GUICapture) { GUICapture = wantCapt; if (wantCapt) { buttonMap.ResetButtonStates(); } } } void SetCursorPosition(const NSPoint position) { NSWindow* window = [NSApp keyWindow]; if (nil == window) { return; } const NSRect displayRect = [[window screen] frame]; const CGPoint eventPoint = CGPointMake(position.x, displayRect.size.height - position.y); CGEventSourceRef eventSource = CGEventSourceCreate(kCGEventSourceStateCombinedSessionState); if (NULL != eventSource) { CGEventRef mouseMoveEvent = CGEventCreateMouseEvent(eventSource, kCGEventMouseMoved, eventPoint, kCGMouseButtonLeft); if (NULL != mouseMoveEvent) { CGEventPost(kCGHIDEventTap, mouseMoveEvent); CFRelease(mouseMoveEvent); } CFRelease(eventSource); } // TODO: remove this magic! s_skipMouseMoves = 2; } void CenterCursor() { NSWindow* window = [NSApp keyWindow]; if (nil == window) { return; } const NSRect displayRect = [[window screen] frame]; const NSRect windowRect = [window frame]; const NSPoint centerPoint = { NSMidX(windowRect), NSMidY(windowRect) }; SetCursorPosition(centerPoint); } void CheckNativeMouse() { const bool windowed = (NULL == screen) || !screen->IsFullscreen(); bool wantNative; if (windowed) { if (![NSApp isActive] || !use_mouse) { wantNative = true; } else if (MENU_WaitKey == menuactive) { wantNative = false; } else { bool captureModeInGame = sysCallbacks && sysCallbacks->CaptureModeInGame && sysCallbacks->CaptureModeInGame(); wantNative = (!m_use_mouse || MENU_WaitKey != menuactive) && (!captureModeInGame || GUICapture); } } else { // ungrab mouse when in the menu with mouse control on. wantNative = m_use_mouse && (MENU_On == menuactive || MENU_OnNoPause == menuactive); } if (!wantNative && sysCallbacks && sysCallbacks->WantNativeMouse && sysCallbacks->WantNativeMouse()) wantNative = true; I_SetNativeMouse(wantNative); } } // unnamed namespace void I_GetEvent() { [[NSRunLoop currentRunLoop] limitDateForMode:NSDefaultRunLoopMode]; } void I_StartTic() { CheckGUICapture(); CheckNativeMouse(); I_ProcessJoysticks(); I_GetEvent(); } void I_StartFrame() { } void I_SetMouseCapture() { } void I_ReleaseMouseCapture() { } void I_SetNativeMouse(bool wantNative) { static bool nativeMouse = true; static NSPoint mouseLocation; if (wantNative != nativeMouse) { nativeMouse = wantNative; if (!wantNative) { mouseLocation = [NSEvent mouseLocation]; CenterCursor(); } CGAssociateMouseAndMouseCursorPosition(wantNative); if (wantNative) { SetCursorPosition(mouseLocation); [NSCursor unhide]; } else { [NSCursor hide]; } } } // --------------------------------------------------------------------------- namespace { const size_t KEY_COUNT = 128; // See Carbon -> HIToolbox -> Events.h for kVK_ constants const uint8_t KEYCODE_TO_DIK[KEY_COUNT] = { DIK_A, DIK_S, DIK_D, DIK_F, DIK_H, DIK_G, DIK_Z, DIK_X, // 0x00 - 0x07 DIK_C, DIK_V, 0, DIK_B, DIK_Q, DIK_W, DIK_E, DIK_R, // 0x08 - 0x0F DIK_Y, DIK_T, DIK_1, DIK_2, DIK_3, DIK_4, DIK_6, DIK_5, // 0x10 - 0x17 DIK_EQUALS, DIK_9, DIK_7, DIK_MINUS, DIK_8, DIK_0, DIK_RBRACKET, DIK_O, // 0x18 - 0x1F DIK_U, DIK_LBRACKET, DIK_I, DIK_P, DIK_RETURN, DIK_L, DIK_J, DIK_APOSTROPHE, // 0x20 - 0x27 DIK_K, DIK_SEMICOLON, DIK_BACKSLASH, DIK_COMMA, DIK_SLASH, DIK_N, DIK_M, DIK_PERIOD, // 0x28 - 0x2F DIK_TAB, DIK_SPACE, DIK_GRAVE, DIK_BACK, 0, DIK_ESCAPE, 0, DIK_LWIN, // 0x30 - 0x37 DIK_LSHIFT, DIK_CAPITAL, DIK_LMENU, DIK_LCONTROL, DIK_RSHIFT, DIK_RMENU, DIK_RCONTROL, 0, // 0x38 - 0x3F 0, DIK_DECIMAL, 0, DIK_MULTIPLY, 0, DIK_ADD, 0, 0, // 0x40 - 0x47 DIK_VOLUMEUP, DIK_VOLUMEDOWN, DIK_MUTE, DIK_SLASH, DIK_NUMPADENTER, 0, DIK_SUBTRACT, 0, // 0x48 - 0x4F 0, DIK_NUMPAD_EQUALS, DIK_NUMPAD0, DIK_NUMPAD1, DIK_NUMPAD2, DIK_NUMPAD3, DIK_NUMPAD4, DIK_NUMPAD5, // 0x50 - 0x57 DIK_NUMPAD6, DIK_NUMPAD7, 0, DIK_NUMPAD8, DIK_NUMPAD9, 0, 0, 0, // 0x58 - 0x5F DIK_F5, DIK_F6, DIK_F7, DIK_F3, DIK_F8, DIK_F9, 0, DIK_F11, // 0x60 - 0x67 0, DIK_F13, 0, DIK_F14, 0, DIK_F10, 0, DIK_F12, // 0x68 - 0x6F 0, DIK_F15, 0, DIK_HOME, 0, DIK_DELETE, DIK_F4, DIK_END, // 0x70 - 0x77 DIK_F2, 0, DIK_F1, DIK_LEFT, DIK_RIGHT, DIK_DOWN, DIK_UP, 0, // 0x78 - 0x7F }; const uint8_t KEYCODE_TO_ASCII[KEY_COUNT] = { 'a', 's', 'd', 'f', 'h', 'g', 'z', 'x', // 0x00 - 0x07 'c', 'v', 0, 'b', 'q', 'w', 'e', 'r', // 0x08 - 0x0F 'y', 't', '1', '2', '3', '4', '6', '5', // 0x10 - 0x17 '=', '9', '7', '-', '8', '0', ']', 'o', // 0x18 - 0x1F 'u', '[', 'i', 'p', 13, 'l', 'j', '\'', // 0x20 - 0x27 'k', ';', '\\', ',', '/', 'n', 'm', '.', // 0x28 - 0x2F 9, ' ', '`', 12, 0, 27, 0, 0, // 0x30 - 0x37 0, 0, 0, 0, 0, 0, 0, 0, // 0x38 - 0x3F 0, 0, 0, 0, 0, 0, 0, 0, // 0x40 - 0x47 0, 0, 0, 0, 0, 0, 0, 0, // 0x48 - 0x4F 0, 0, 0, 0, 0, 0, 0, 0, // 0x50 - 0x57 0, 0, 0, 0, 0, 0, 0, 0, // 0x58 - 0x5F 0, 0, 0, 0, 0, 0, 0, 0, // 0x60 - 0x67 0, 0, 0, 0, 0, 0, 0, 0, // 0x68 - 0x6F 0, 0, 0, 0, 0, 0, 0, 0, // 0x70 - 0x77 0, 0, 0, 0, 0, 0, 0, 0, // 0x78 - 0x7F }; uint8_t ModifierToDIK(const uint32_t modifier) { switch (modifier) { case NSAlphaShiftKeyMask: return DIK_CAPITAL; case NSShiftKeyMask: return DIK_LSHIFT; case NSControlKeyMask: return DIK_LCONTROL; case NSAlternateKeyMask: return DIK_LMENU; case NSCommandKeyMask: return DIK_LWIN; } return 0; } int16_t ModifierFlagsToGUIKeyModifiers(NSEvent* theEvent) { const NSUInteger modifiers([theEvent modifierFlags] & NSDeviceIndependentModifierFlagsMask); return ((modifiers & NSShiftKeyMask ) ? GKM_SHIFT : 0) | ((modifiers & NSControlKeyMask ) ? GKM_CTRL : 0) | ((modifiers & NSAlternateKeyMask) ? GKM_ALT : 0) | ((modifiers & NSCommandKeyMask ) ? GKM_META : 0); } bool ShouldGenerateGUICharEvent(NSEvent* theEvent) { const NSUInteger modifiers([theEvent modifierFlags] & NSDeviceIndependentModifierFlagsMask); return !(modifiers & NSControlKeyMask) && !(modifiers & NSAlternateKeyMask) && !(modifiers & NSCommandKeyMask) && !(modifiers & NSFunctionKeyMask); } NSStringEncoding GetEncodingForUnicodeCharacter(const unichar character) { if (character >= L'\u0100' && character <= L'\u024F') { return NSWindowsCP1250StringEncoding; // Central and Eastern Europe } else if (character >= L'\u0370' && character <= L'\u03FF') { return NSWindowsCP1253StringEncoding; // Greek } else if (character >= L'\u0400' && character <= L'\u04FF') { return NSWindowsCP1251StringEncoding; // Cyrillic } // TODO: add handling for other characters // TODO: Turkish should use NSWindowsCP1254StringEncoding return NSWindowsCP1252StringEncoding; } unsigned char GetCharacterFromNSEvent(NSEvent* theEvent, unichar *realchar) { const NSString* unicodeCharacters = [theEvent characters]; if (0 == [unicodeCharacters length]) { return '\0'; } const unichar unicodeCharacter = [unicodeCharacters characterAtIndex:0]; const NSStringEncoding encoding = GetEncodingForUnicodeCharacter(unicodeCharacter); unsigned char character = '\0'; if (NSWindowsCP1252StringEncoding == encoding) { // TODO: make sure that the following is always correct character = unicodeCharacter & 0xFF; } else { const NSData* const characters = [[theEvent characters] dataUsingEncoding:encoding]; character = [characters length] > 0 ? *static_cast([characters bytes]) : '\0'; } *realchar = unicodeCharacter; return character; } void ProcessKeyboardEventInMenu(NSEvent* theEvent) { event_t event = {}; unichar realchar; event.type = EV_GUI_Event; event.subtype = NSKeyDown == [theEvent type] ? EV_GUI_KeyDown : EV_GUI_KeyUp; event.data2 = GetCharacterFromNSEvent(theEvent, &realchar); event.data3 = ModifierFlagsToGUIKeyModifiers(theEvent); if (EV_GUI_KeyDown == event.subtype && [theEvent isARepeat]) { event.subtype = EV_GUI_KeyRepeat; } const unsigned short keyCode = [theEvent keyCode]; switch (keyCode) { case kVK_Return: event.data1 = GK_RETURN; break; case kVK_PageUp: event.data1 = GK_PGUP; break; case kVK_PageDown: event.data1 = GK_PGDN; break; case kVK_End: event.data1 = GK_END; break; case kVK_Home: event.data1 = GK_HOME; break; case kVK_LeftArrow: event.data1 = GK_LEFT; break; case kVK_RightArrow: event.data1 = GK_RIGHT; break; case kVK_UpArrow: event.data1 = GK_UP; break; case kVK_DownArrow: event.data1 = GK_DOWN; break; case kVK_Delete: event.data1 = GK_BACKSPACE; break; case kVK_ForwardDelete: event.data1 = GK_DEL; break; case kVK_Escape: event.data1 = GK_ESCAPE; break; case kVK_F1: event.data1 = GK_F1; break; case kVK_F2: event.data1 = GK_F2; break; case kVK_F3: event.data1 = GK_F3; break; case kVK_F4: event.data1 = GK_F4; break; case kVK_F5: event.data1 = GK_F5; break; case kVK_F6: event.data1 = GK_F6; break; case kVK_F7: event.data1 = GK_F7; break; case kVK_F8: event.data1 = GK_F8; break; case kVK_F9: event.data1 = GK_F9; break; case kVK_F10: event.data1 = GK_F10; break; case kVK_F11: event.data1 = GK_F11; break; case kVK_F12: event.data1 = GK_F12; break; default: event.data1 = KEYCODE_TO_ASCII[keyCode]; break; } if (event.data1 < 128) { event.data1 = toupper(event.data1); D_PostEvent(&event); } if (!iscntrl(event.data2) && EV_GUI_KeyUp != event.subtype && ShouldGenerateGUICharEvent(theEvent)) { event.subtype = EV_GUI_Char; event.data1 = realchar; event.data2 = event.data3 & GKM_ALT; D_PostEvent(&event); } } void NSEventToGameMousePosition(NSEvent* inEvent, event_t* outEvent) { const NSWindow* window = [inEvent window]; const NSView* view = [window contentView]; const NSPoint screenPos = [NSEvent mouseLocation]; const NSRect screenRect = NSMakeRect(screenPos.x, screenPos.y, 0, 0); const NSRect windowRect = [window convertRectFromScreen:screenRect]; NSPoint viewPos; NSSize viewSize; CGFloat scale; if (view.layer == nil) { viewPos = [view convertPointToBacking:windowRect.origin]; viewSize = [view convertSizeToBacking:view.frame.size]; scale = 1.0; } else { viewPos = windowRect.origin; viewSize = view.frame.size; scale = view.layer.contentsScale; } const CGFloat posX = viewPos.x * scale; const CGFloat posY = (viewSize.height - viewPos.y) * scale; outEvent->data1 = static_cast(posX); outEvent->data2 = static_cast(posY); screen->ScaleCoordsFromWindow(outEvent->data1, outEvent->data2); } void ProcessMouseMoveInMenu(NSEvent* theEvent) { event_t event = {}; event.type = EV_GUI_Event; event.subtype = EV_GUI_MouseMove; event.data3 = ModifierFlagsToGUIKeyModifiers(theEvent); NSEventToGameMousePosition(theEvent, &event); D_PostEvent(&event); } void ProcessMouseMoveInGame(NSEvent* theEvent) { int x([theEvent deltaX]); int y(-[theEvent deltaY]); if (0 == x && 0 == y) { return; } if (!m_noprescale) { x <<= 2; } event_t event = {}; static int lastX = 0, lastY = 0; if (m_filter) { event.x = (x + lastX) / 2; event.y = (y + lastY) / 2; } else { event.x = x; event.y = y; } lastX = x; lastY = y; if (0 != event.x || 0 != event.y) { event.type = EV_Mouse; D_PostEvent(&event); } } void ProcessKeyboardEvent(NSEvent* theEvent) { const unsigned short keyCode = [theEvent keyCode]; if (keyCode >= KEY_COUNT) { assert(!"Unknown keycode"); return; } const bool isARepeat = [theEvent isARepeat]; if (k_allowfullscreentoggle && (kVK_ANSI_F == keyCode) && (NSCommandKeyMask & [theEvent modifierFlags]) && (NSKeyDown == [theEvent type]) && !isARepeat) { ToggleFullscreen = !ToggleFullscreen; return; } if (GUICapture) { ProcessKeyboardEventInMenu(theEvent); } else if (!isARepeat) { event_t event = {}; event.type = NSKeyDown == [theEvent type] ? EV_KeyDown : EV_KeyUp; event.data1 = KEYCODE_TO_DIK[ keyCode ]; if (0 != event.data1) { event.data2 = KEYCODE_TO_ASCII[ keyCode ]; D_PostEvent(&event); } } } void ProcessKeyboardFlagsEvent(NSEvent* theEvent) { if (GUICapture) { // Ignore events from modifier keys in menu/console/chat return; } static const uint32_t FLAGS_MASK = NSDeviceIndependentModifierFlagsMask & ~NSNumericPadKeyMask; const uint32_t modifiers = [theEvent modifierFlags] & FLAGS_MASK; static uint32_t oldModifiers = 0; const uint32_t deltaModifiers = modifiers ^ oldModifiers; if (0 == deltaModifiers) { return; } event_t event = {}; event.type = modifiers > oldModifiers ? EV_KeyDown : EV_KeyUp; event.data1 = ModifierToDIK(deltaModifiers); oldModifiers = modifiers; if (DIK_CAPITAL == event.data1) { // Caps Lock is a modifier key which generates one event per state change // but not per actual key press or release. So treat any event as key down event.type = EV_KeyDown; } D_PostEvent(&event); } void ProcessMouseMoveEvent(NSEvent* theEvent) { if (!use_mouse) { return; } if (s_skipMouseMoves > 0) { --s_skipMouseMoves; return; } if (GUICapture) { ProcessMouseMoveInMenu(theEvent); } else { ProcessMouseMoveInGame(theEvent); } } void ProcessMouseButtonEvent(NSEvent* theEvent) { if (!use_mouse) { return; } event_t event = {}; const NSEventType cocoaEventType = [theEvent type]; if (GUICapture) { event.type = EV_GUI_Event; event.data3 = ModifierFlagsToGUIKeyModifiers(theEvent); switch (cocoaEventType) { case NSLeftMouseDown: event.subtype = EV_GUI_LButtonDown; break; case NSRightMouseDown: event.subtype = EV_GUI_RButtonDown; break; case NSOtherMouseDown: event.subtype = EV_GUI_MButtonDown; break; case NSLeftMouseUp: event.subtype = EV_GUI_LButtonUp; break; case NSRightMouseUp: event.subtype = EV_GUI_RButtonUp; break; case NSOtherMouseUp: event.subtype = EV_GUI_MButtonUp; break; default: break; } NSEventToGameMousePosition(theEvent, &event); D_PostEvent(&event); } else { switch (cocoaEventType) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: event.type = EV_KeyDown; break; case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: event.type = EV_KeyUp; break; default: break; } event.data1 = MIN(KEY_MOUSE1 + [theEvent buttonNumber], NSInteger(KEY_MOUSE8)); D_PostEvent(&event); } } void ProcessMouseWheelEvent(NSEvent* theEvent) { if (!use_mouse) { return; } const int16_t modifiers = ModifierFlagsToGUIKeyModifiers(theEvent); const CGFloat delta = (modifiers & GKM_SHIFT) ? [theEvent deltaX] : [theEvent deltaY]; const bool isZeroDelta = fabs(delta) < 1.0E-5; if (isZeroDelta && GUICapture) { return; } event_t event = {}; if (GUICapture) { event.type = EV_GUI_Event; event.subtype = delta > 0.0f ? EV_GUI_WheelUp : EV_GUI_WheelDown; event.data3 = modifiers; } else { event.type = isZeroDelta ? EV_KeyUp : EV_KeyDown; event.data1 = delta > 0.0f ? KEY_MWHEELUP : KEY_MWHEELDOWN; } D_PostEvent(&event); } } // unnamed namespace void I_ProcessEvent(NSEvent* event) { const NSEventType eventType = [event type]; switch (eventType) { case NSMouseMoved: ProcessMouseMoveEvent(event); break; case NSLeftMouseDown: case NSLeftMouseUp: case NSRightMouseDown: case NSRightMouseUp: case NSOtherMouseDown: case NSOtherMouseUp: ProcessMouseButtonEvent(event); break; case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: ProcessMouseButtonEvent(event); ProcessMouseMoveEvent(event); break; case NSScrollWheel: ProcessMouseWheelEvent(event); break; case NSKeyDown: case NSKeyUp: ProcessKeyboardEvent(event); break; case NSFlagsChanged: ProcessKeyboardFlagsEvent(event); break; default: break; } }