| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #if SDL_VIDEO_DRIVER_WINDOWS |
| |
| #include "SDL_windowsvideo.h" |
| #include "SDL_windowsshape.h" |
| #include "SDL_system.h" |
| #include "SDL_syswm.h" |
| #include "SDL_timer.h" |
| #include "SDL_vkeys.h" |
| #include "../../events/SDL_events_c.h" |
| #include "../../events/SDL_touch_c.h" |
| #include "../../events/scancodes_windows.h" |
| #include "SDL_assert.h" |
| #include "SDL_hints.h" |
| |
| /* Dropfile support */ |
| #include <shellapi.h> |
| |
| /* For GET_X_LPARAM, GET_Y_LPARAM. */ |
| #include <windowsx.h> |
| |
| /* #define WMMSG_DEBUG */ |
| #ifdef WMMSG_DEBUG |
| #include <stdio.h> |
| #include "wmmsg.h" |
| #endif |
| |
| /* For processing mouse WM_*BUTTON* and WM_MOUSEMOVE message-data from GetMessageExtraInfo() */ |
| #define MOUSEEVENTF_FROMTOUCH 0xFF515700 |
| |
| /* Masks for processing the windows KEYDOWN and KEYUP messages */ |
| #define REPEATED_KEYMASK (1<<30) |
| #define EXTENDED_KEYMASK (1<<24) |
| |
| #define VK_ENTER 10 /* Keypad Enter ... no VKEY defined? */ |
| #ifndef VK_OEM_NEC_EQUAL |
| #define VK_OEM_NEC_EQUAL 0x92 |
| #endif |
| |
| /* Make sure XBUTTON stuff is defined that isn't in older Platform SDKs... */ |
| #ifndef WM_XBUTTONDOWN |
| #define WM_XBUTTONDOWN 0x020B |
| #endif |
| #ifndef WM_XBUTTONUP |
| #define WM_XBUTTONUP 0x020C |
| #endif |
| #ifndef GET_XBUTTON_WPARAM |
| #define GET_XBUTTON_WPARAM(w) (HIWORD(w)) |
| #endif |
| #ifndef WM_INPUT |
| #define WM_INPUT 0x00ff |
| #endif |
| #ifndef WM_TOUCH |
| #define WM_TOUCH 0x0240 |
| #endif |
| #ifndef WM_MOUSEHWHEEL |
| #define WM_MOUSEHWHEEL 0x020E |
| #endif |
| #ifndef WM_UNICHAR |
| #define WM_UNICHAR 0x0109 |
| #endif |
| |
| static SDL_Scancode |
| WindowsScanCodeToSDLScanCode(LPARAM lParam, WPARAM wParam) |
| { |
| SDL_Scancode code; |
| char bIsExtended; |
| int nScanCode = (lParam >> 16) & 0xFF; |
| |
| /* 0x45 here to work around both pause and numlock sharing the same scancode, so use the VK key to tell them apart */ |
| if (nScanCode == 0 || nScanCode == 0x45) { |
| switch(wParam) { |
| case VK_CLEAR: return SDL_SCANCODE_CLEAR; |
| case VK_MODECHANGE: return SDL_SCANCODE_MODE; |
| case VK_SELECT: return SDL_SCANCODE_SELECT; |
| case VK_EXECUTE: return SDL_SCANCODE_EXECUTE; |
| case VK_HELP: return SDL_SCANCODE_HELP; |
| case VK_PAUSE: return SDL_SCANCODE_PAUSE; |
| case VK_NUMLOCK: return SDL_SCANCODE_NUMLOCKCLEAR; |
| |
| case VK_F13: return SDL_SCANCODE_F13; |
| case VK_F14: return SDL_SCANCODE_F14; |
| case VK_F15: return SDL_SCANCODE_F15; |
| case VK_F16: return SDL_SCANCODE_F16; |
| case VK_F17: return SDL_SCANCODE_F17; |
| case VK_F18: return SDL_SCANCODE_F18; |
| case VK_F19: return SDL_SCANCODE_F19; |
| case VK_F20: return SDL_SCANCODE_F20; |
| case VK_F21: return SDL_SCANCODE_F21; |
| case VK_F22: return SDL_SCANCODE_F22; |
| case VK_F23: return SDL_SCANCODE_F23; |
| case VK_F24: return SDL_SCANCODE_F24; |
| |
| case VK_OEM_NEC_EQUAL: return SDL_SCANCODE_KP_EQUALS; |
| case VK_BROWSER_BACK: return SDL_SCANCODE_AC_BACK; |
| case VK_BROWSER_FORWARD: return SDL_SCANCODE_AC_FORWARD; |
| case VK_BROWSER_REFRESH: return SDL_SCANCODE_AC_REFRESH; |
| case VK_BROWSER_STOP: return SDL_SCANCODE_AC_STOP; |
| case VK_BROWSER_SEARCH: return SDL_SCANCODE_AC_SEARCH; |
| case VK_BROWSER_FAVORITES: return SDL_SCANCODE_AC_BOOKMARKS; |
| case VK_BROWSER_HOME: return SDL_SCANCODE_AC_HOME; |
| case VK_VOLUME_MUTE: return SDL_SCANCODE_AUDIOMUTE; |
| case VK_VOLUME_DOWN: return SDL_SCANCODE_VOLUMEDOWN; |
| case VK_VOLUME_UP: return SDL_SCANCODE_VOLUMEUP; |
| |
| case VK_MEDIA_NEXT_TRACK: return SDL_SCANCODE_AUDIONEXT; |
| case VK_MEDIA_PREV_TRACK: return SDL_SCANCODE_AUDIOPREV; |
| case VK_MEDIA_STOP: return SDL_SCANCODE_AUDIOSTOP; |
| case VK_MEDIA_PLAY_PAUSE: return SDL_SCANCODE_AUDIOPLAY; |
| case VK_LAUNCH_MAIL: return SDL_SCANCODE_MAIL; |
| case VK_LAUNCH_MEDIA_SELECT: return SDL_SCANCODE_MEDIASELECT; |
| |
| case VK_OEM_102: return SDL_SCANCODE_NONUSBACKSLASH; |
| |
| case VK_ATTN: return SDL_SCANCODE_SYSREQ; |
| case VK_CRSEL: return SDL_SCANCODE_CRSEL; |
| case VK_EXSEL: return SDL_SCANCODE_EXSEL; |
| case VK_OEM_CLEAR: return SDL_SCANCODE_CLEAR; |
| |
| case VK_LAUNCH_APP1: return SDL_SCANCODE_APP1; |
| case VK_LAUNCH_APP2: return SDL_SCANCODE_APP2; |
| |
| default: return SDL_SCANCODE_UNKNOWN; |
| } |
| } |
| |
| if (nScanCode > 127) |
| return SDL_SCANCODE_UNKNOWN; |
| |
| code = windows_scancode_table[nScanCode]; |
| |
| bIsExtended = (lParam & (1 << 24)) != 0; |
| if (!bIsExtended) { |
| switch (code) { |
| case SDL_SCANCODE_HOME: |
| return SDL_SCANCODE_KP_7; |
| case SDL_SCANCODE_UP: |
| return SDL_SCANCODE_KP_8; |
| case SDL_SCANCODE_PAGEUP: |
| return SDL_SCANCODE_KP_9; |
| case SDL_SCANCODE_LEFT: |
| return SDL_SCANCODE_KP_4; |
| case SDL_SCANCODE_RIGHT: |
| return SDL_SCANCODE_KP_6; |
| case SDL_SCANCODE_END: |
| return SDL_SCANCODE_KP_1; |
| case SDL_SCANCODE_DOWN: |
| return SDL_SCANCODE_KP_2; |
| case SDL_SCANCODE_PAGEDOWN: |
| return SDL_SCANCODE_KP_3; |
| case SDL_SCANCODE_INSERT: |
| return SDL_SCANCODE_KP_0; |
| case SDL_SCANCODE_DELETE: |
| return SDL_SCANCODE_KP_PERIOD; |
| case SDL_SCANCODE_PRINTSCREEN: |
| return SDL_SCANCODE_KP_MULTIPLY; |
| default: |
| break; |
| } |
| } else { |
| switch (code) { |
| case SDL_SCANCODE_RETURN: |
| return SDL_SCANCODE_KP_ENTER; |
| case SDL_SCANCODE_LALT: |
| return SDL_SCANCODE_RALT; |
| case SDL_SCANCODE_LCTRL: |
| return SDL_SCANCODE_RCTRL; |
| case SDL_SCANCODE_SLASH: |
| return SDL_SCANCODE_KP_DIVIDE; |
| case SDL_SCANCODE_CAPSLOCK: |
| return SDL_SCANCODE_KP_PLUS; |
| default: |
| break; |
| } |
| } |
| |
| return code; |
| } |
| |
| static SDL_bool |
| WIN_ShouldIgnoreFocusClick() |
| { |
| return !SDL_GetHintBoolean(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, SDL_FALSE); |
| } |
| |
| void |
| WIN_CheckWParamMouseButton(SDL_bool bwParamMousePressed, SDL_bool bSDLMousePressed, SDL_WindowData *data, Uint8 button, SDL_MouseID mouseID) |
| { |
| if (data->focus_click_pending & SDL_BUTTON(button)) { |
| /* Ignore the button click for activation */ |
| if (!bwParamMousePressed) { |
| data->focus_click_pending &= ~SDL_BUTTON(button); |
| if (!data->focus_click_pending) { |
| WIN_UpdateClipCursor(data->window); |
| } |
| } |
| if (WIN_ShouldIgnoreFocusClick()) { |
| return; |
| } |
| } |
| |
| if (bwParamMousePressed && !bSDLMousePressed) { |
| SDL_SendMouseButton(data->window, mouseID, SDL_PRESSED, button); |
| } else if (!bwParamMousePressed && bSDLMousePressed) { |
| SDL_SendMouseButton(data->window, mouseID, SDL_RELEASED, button); |
| } |
| } |
| |
| /* |
| * Some windows systems fail to send a WM_LBUTTONDOWN sometimes, but each mouse move contains the current button state also |
| * so this funciton reconciles our view of the world with the current buttons reported by windows |
| */ |
| void |
| WIN_CheckWParamMouseButtons(WPARAM wParam, SDL_WindowData *data, SDL_MouseID mouseID) |
| { |
| if (wParam != data->mouse_button_flags) { |
| Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL); |
| WIN_CheckWParamMouseButton((wParam & MK_LBUTTON), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, mouseID); |
| WIN_CheckWParamMouseButton((wParam & MK_MBUTTON), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, mouseID); |
| WIN_CheckWParamMouseButton((wParam & MK_RBUTTON), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, mouseID); |
| WIN_CheckWParamMouseButton((wParam & MK_XBUTTON1), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, mouseID); |
| WIN_CheckWParamMouseButton((wParam & MK_XBUTTON2), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, mouseID); |
| data->mouse_button_flags = wParam; |
| } |
| } |
| |
| |
| void |
| WIN_CheckRawMouseButtons(ULONG rawButtons, SDL_WindowData *data) |
| { |
| if (rawButtons != data->mouse_button_flags) { |
| Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL); |
| if ((rawButtons & RI_MOUSE_BUTTON_1_DOWN)) |
| WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_1_DOWN), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_1_UP)) |
| WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_1_UP), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_2_DOWN)) |
| WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_2_DOWN), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_2_UP)) |
| WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_2_UP), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_3_DOWN)) |
| WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_3_DOWN), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_3_UP)) |
| WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_3_UP), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_4_DOWN)) |
| WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_4_DOWN), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_4_UP)) |
| WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_4_UP), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_5_DOWN)) |
| WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_5_DOWN), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0); |
| if ((rawButtons & RI_MOUSE_BUTTON_5_UP)) |
| WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_5_UP), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0); |
| data->mouse_button_flags = rawButtons; |
| } |
| } |
| |
| void |
| WIN_CheckAsyncMouseRelease(SDL_WindowData *data) |
| { |
| Uint32 mouseFlags; |
| SHORT keyState; |
| |
| /* mouse buttons may have changed state here, we need to resync them, |
| but we will get a WM_MOUSEMOVE right away which will fix things up if in non raw mode also |
| */ |
| mouseFlags = SDL_GetMouseState(NULL, NULL); |
| |
| keyState = GetAsyncKeyState(VK_LBUTTON); |
| if (!(keyState & 0x8000)) { |
| WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0); |
| } |
| keyState = GetAsyncKeyState(VK_RBUTTON); |
| if (!(keyState & 0x8000)) { |
| WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0); |
| } |
| keyState = GetAsyncKeyState(VK_MBUTTON); |
| if (!(keyState & 0x8000)) { |
| WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0); |
| } |
| keyState = GetAsyncKeyState(VK_XBUTTON1); |
| if (!(keyState & 0x8000)) { |
| WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0); |
| } |
| keyState = GetAsyncKeyState(VK_XBUTTON2); |
| if (!(keyState & 0x8000)) { |
| WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0); |
| } |
| data->mouse_button_flags = 0; |
| } |
| |
| BOOL |
| WIN_ConvertUTF32toUTF8(UINT32 codepoint, char * text) |
| { |
| if (codepoint <= 0x7F) { |
| text[0] = (char) codepoint; |
| text[1] = '\0'; |
| } else if (codepoint <= 0x7FF) { |
| text[0] = 0xC0 | (char) ((codepoint >> 6) & 0x1F); |
| text[1] = 0x80 | (char) (codepoint & 0x3F); |
| text[2] = '\0'; |
| } else if (codepoint <= 0xFFFF) { |
| text[0] = 0xE0 | (char) ((codepoint >> 12) & 0x0F); |
| text[1] = 0x80 | (char) ((codepoint >> 6) & 0x3F); |
| text[2] = 0x80 | (char) (codepoint & 0x3F); |
| text[3] = '\0'; |
| } else if (codepoint <= 0x10FFFF) { |
| text[0] = 0xF0 | (char) ((codepoint >> 18) & 0x0F); |
| text[1] = 0x80 | (char) ((codepoint >> 12) & 0x3F); |
| text[2] = 0x80 | (char) ((codepoint >> 6) & 0x3F); |
| text[3] = 0x80 | (char) (codepoint & 0x3F); |
| text[4] = '\0'; |
| } else { |
| return SDL_FALSE; |
| } |
| return SDL_TRUE; |
| } |
| |
| static SDL_bool |
| ShouldGenerateWindowCloseOnAltF4(void) |
| { |
| return !SDL_GetHintBoolean(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, SDL_FALSE); |
| } |
| |
| LRESULT CALLBACK |
| WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
| { |
| SDL_WindowData *data; |
| LRESULT returnCode = -1; |
| |
| /* Send a SDL_SYSWMEVENT if the application wants them */ |
| if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) { |
| SDL_SysWMmsg wmmsg; |
| |
| SDL_VERSION(&wmmsg.version); |
| wmmsg.subsystem = SDL_SYSWM_WINDOWS; |
| wmmsg.msg.win.hwnd = hwnd; |
| wmmsg.msg.win.msg = msg; |
| wmmsg.msg.win.wParam = wParam; |
| wmmsg.msg.win.lParam = lParam; |
| SDL_SendSysWMEvent(&wmmsg); |
| } |
| |
| /* Get the window data for the window */ |
| data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData")); |
| if (!data) { |
| return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam); |
| } |
| |
| #ifdef WMMSG_DEBUG |
| { |
| char message[1024]; |
| if (msg > MAX_WMMSG) { |
| SDL_snprintf(message, sizeof(message), "Received windows message: %p UNKNOWN (%d) -- 0x%X, 0x%X\n", hwnd, msg, wParam, lParam); |
| } else { |
| SDL_snprintf(message, sizeof(message), "Received windows message: %p %s -- 0x%X, 0x%X\n", hwnd, wmtab[msg], wParam, lParam); |
| } |
| OutputDebugStringA(message); |
| } |
| #endif /* WMMSG_DEBUG */ |
| |
| if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata)) |
| return 0; |
| |
| switch (msg) { |
| |
| case WM_SHOWWINDOW: |
| { |
| if (wParam) { |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0); |
| } else { |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0); |
| } |
| } |
| break; |
| |
| case WM_ACTIVATE: |
| { |
| POINT cursorPos; |
| BOOL minimized; |
| |
| minimized = HIWORD(wParam); |
| if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) { |
| if (LOWORD(wParam) == WA_CLICKACTIVE) { |
| if (GetAsyncKeyState(VK_LBUTTON)) { |
| data->focus_click_pending |= SDL_BUTTON_LMASK; |
| } |
| if (GetAsyncKeyState(VK_RBUTTON)) { |
| data->focus_click_pending |= SDL_BUTTON_RMASK; |
| } |
| if (GetAsyncKeyState(VK_MBUTTON)) { |
| data->focus_click_pending |= SDL_BUTTON_MMASK; |
| } |
| if (GetAsyncKeyState(VK_XBUTTON1)) { |
| data->focus_click_pending |= SDL_BUTTON_X1MASK; |
| } |
| if (GetAsyncKeyState(VK_XBUTTON2)) { |
| data->focus_click_pending |= SDL_BUTTON_X2MASK; |
| } |
| } |
| |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0); |
| if (SDL_GetKeyboardFocus() != data->window) { |
| SDL_SetKeyboardFocus(data->window); |
| } |
| |
| GetCursorPos(&cursorPos); |
| ScreenToClient(hwnd, &cursorPos); |
| SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y); |
| |
| WIN_CheckAsyncMouseRelease(data); |
| |
| /* |
| * FIXME: Update keyboard state |
| */ |
| WIN_CheckClipboardUpdate(data->videodata); |
| |
| SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0); |
| SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0); |
| } else { |
| data->in_window_deactivation = SDL_TRUE; |
| |
| if (SDL_GetKeyboardFocus() == data->window) { |
| SDL_SetKeyboardFocus(NULL); |
| WIN_ResetDeadKeys(); |
| } |
| |
| ClipCursor(NULL); |
| |
| data->in_window_deactivation = SDL_FALSE; |
| } |
| } |
| returnCode = 0; |
| break; |
| |
| case WM_MOUSEMOVE: |
| { |
| SDL_Mouse *mouse = SDL_GetMouse(); |
| if (!mouse->relative_mode || mouse->relative_mode_warp) { |
| SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0); |
| SDL_SendMouseMotion(data->window, mouseID, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)); |
| } |
| } |
| /* don't break here, fall through to check the wParam like the button presses */ |
| case WM_LBUTTONUP: |
| case WM_RBUTTONUP: |
| case WM_MBUTTONUP: |
| case WM_XBUTTONUP: |
| case WM_LBUTTONDOWN: |
| case WM_LBUTTONDBLCLK: |
| case WM_RBUTTONDOWN: |
| case WM_RBUTTONDBLCLK: |
| case WM_MBUTTONDOWN: |
| case WM_MBUTTONDBLCLK: |
| case WM_XBUTTONDOWN: |
| case WM_XBUTTONDBLCLK: |
| { |
| SDL_Mouse *mouse = SDL_GetMouse(); |
| if (!mouse->relative_mode || mouse->relative_mode_warp) { |
| SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0); |
| WIN_CheckWParamMouseButtons(wParam, data, mouseID); |
| } |
| } |
| break; |
| |
| case WM_INPUT: |
| { |
| SDL_Mouse *mouse = SDL_GetMouse(); |
| HRAWINPUT hRawInput = (HRAWINPUT)lParam; |
| RAWINPUT inp; |
| UINT size = sizeof(inp); |
| const SDL_bool isRelative = mouse->relative_mode || mouse->relative_mode_warp; |
| const SDL_bool isCapture = ((data->window->flags & SDL_WINDOW_MOUSE_CAPTURE) != 0); |
| |
| if (!isRelative || mouse->focus != data->window) { |
| if (!isCapture) { |
| break; |
| } |
| } |
| |
| GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER)); |
| |
| /* Mouse data */ |
| if (inp.header.dwType == RIM_TYPEMOUSE) { |
| if (isRelative) { |
| RAWMOUSE* rawmouse = &inp.data.mouse; |
| |
| if ((rawmouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) { |
| SDL_SendMouseMotion(data->window, 0, 1, (int)rawmouse->lLastX, (int)rawmouse->lLastY); |
| } else { |
| /* synthesize relative moves from the abs position */ |
| static SDL_Point initialMousePoint; |
| if (initialMousePoint.x == 0 && initialMousePoint.y == 0) { |
| initialMousePoint.x = rawmouse->lLastX; |
| initialMousePoint.y = rawmouse->lLastY; |
| } |
| |
| SDL_SendMouseMotion(data->window, 0, 1, (int)(rawmouse->lLastX-initialMousePoint.x), (int)(rawmouse->lLastY-initialMousePoint.y) ); |
| |
| initialMousePoint.x = rawmouse->lLastX; |
| initialMousePoint.y = rawmouse->lLastY; |
| } |
| WIN_CheckRawMouseButtons(rawmouse->usButtonFlags, data); |
| } else if (isCapture) { |
| /* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */ |
| POINT pt; |
| GetCursorPos(&pt); |
| if (WindowFromPoint(pt) != hwnd) { /* if in the window, WM_MOUSEMOVE, etc, will cover it. */ |
| ScreenToClient(hwnd, &pt); |
| SDL_SendMouseMotion(data->window, 0, 0, (int) pt.x, (int) pt.y); |
| SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT); |
| SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT); |
| SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE); |
| SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X1); |
| SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X2); |
| } |
| } else { |
| SDL_assert(0 && "Shouldn't happen"); |
| } |
| } |
| } |
| break; |
| |
| case WM_MOUSEWHEEL: |
| { |
| static short s_AccumulatedMotion; |
| |
| s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam); |
| if (s_AccumulatedMotion > 0) { |
| while (s_AccumulatedMotion >= WHEEL_DELTA) { |
| SDL_SendMouseWheel(data->window, 0, 0, 1, SDL_MOUSEWHEEL_NORMAL); |
| s_AccumulatedMotion -= WHEEL_DELTA; |
| } |
| } else { |
| while (s_AccumulatedMotion <= -WHEEL_DELTA) { |
| SDL_SendMouseWheel(data->window, 0, 0, -1, SDL_MOUSEWHEEL_NORMAL); |
| s_AccumulatedMotion += WHEEL_DELTA; |
| } |
| } |
| } |
| break; |
| |
| case WM_MOUSEHWHEEL: |
| { |
| static short s_AccumulatedMotion; |
| |
| s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam); |
| if (s_AccumulatedMotion > 0) { |
| while (s_AccumulatedMotion >= WHEEL_DELTA) { |
| SDL_SendMouseWheel(data->window, 0, 1, 0, SDL_MOUSEWHEEL_NORMAL); |
| s_AccumulatedMotion -= WHEEL_DELTA; |
| } |
| } else { |
| while (s_AccumulatedMotion <= -WHEEL_DELTA) { |
| SDL_SendMouseWheel(data->window, 0, -1, 0, SDL_MOUSEWHEEL_NORMAL); |
| s_AccumulatedMotion += WHEEL_DELTA; |
| } |
| } |
| } |
| break; |
| |
| #ifdef WM_MOUSELEAVE |
| case WM_MOUSELEAVE: |
| if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode && !(data->window->flags & SDL_WINDOW_MOUSE_CAPTURE)) { |
| if (!IsIconic(hwnd)) { |
| POINT cursorPos; |
| GetCursorPos(&cursorPos); |
| ScreenToClient(hwnd, &cursorPos); |
| SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y); |
| } |
| SDL_SetMouseFocus(NULL); |
| } |
| returnCode = 0; |
| break; |
| #endif /* WM_MOUSELEAVE */ |
| |
| case WM_KEYDOWN: |
| case WM_SYSKEYDOWN: |
| { |
| SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam); |
| const Uint8 *keyboardState = SDL_GetKeyboardState(NULL); |
| |
| /* Detect relevant keyboard shortcuts */ |
| if (keyboardState[SDL_SCANCODE_LALT] == SDL_PRESSED || keyboardState[SDL_SCANCODE_RALT] == SDL_PRESSED) { |
| /* ALT+F4: Close window */ |
| if (code == SDL_SCANCODE_F4 && ShouldGenerateWindowCloseOnAltF4()) { |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0); |
| } |
| } |
| |
| if (code != SDL_SCANCODE_UNKNOWN) { |
| SDL_SendKeyboardKey(SDL_PRESSED, code); |
| } |
| } |
| |
| returnCode = 0; |
| break; |
| |
| case WM_SYSKEYUP: |
| case WM_KEYUP: |
| { |
| SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam); |
| const Uint8 *keyboardState = SDL_GetKeyboardState(NULL); |
| |
| if (code != SDL_SCANCODE_UNKNOWN) { |
| if (code == SDL_SCANCODE_PRINTSCREEN && |
| keyboardState[code] == SDL_RELEASED) { |
| SDL_SendKeyboardKey(SDL_PRESSED, code); |
| } |
| SDL_SendKeyboardKey(SDL_RELEASED, code); |
| } |
| } |
| returnCode = 0; |
| break; |
| |
| case WM_UNICHAR: |
| if ( wParam == UNICODE_NOCHAR ) { |
| returnCode = 1; |
| break; |
| } |
| /* otherwise fall through to below */ |
| case WM_CHAR: |
| { |
| char text[5]; |
| if ( WIN_ConvertUTF32toUTF8( (UINT32)wParam, text ) ) { |
| SDL_SendKeyboardText( text ); |
| } |
| } |
| returnCode = 0; |
| break; |
| |
| #ifdef WM_INPUTLANGCHANGE |
| case WM_INPUTLANGCHANGE: |
| { |
| WIN_UpdateKeymap(); |
| SDL_SendKeymapChangedEvent(); |
| } |
| returnCode = 1; |
| break; |
| #endif /* WM_INPUTLANGCHANGE */ |
| |
| case WM_NCLBUTTONDOWN: |
| { |
| data->in_title_click = SDL_TRUE; |
| } |
| break; |
| |
| case WM_CAPTURECHANGED: |
| { |
| data->in_title_click = SDL_FALSE; |
| |
| /* The mouse may have been released during a modal loop */ |
| WIN_CheckAsyncMouseRelease(data); |
| } |
| break; |
| |
| #ifdef WM_GETMINMAXINFO |
| case WM_GETMINMAXINFO: |
| { |
| MINMAXINFO *info; |
| RECT size; |
| int x, y; |
| int w, h; |
| int min_w, min_h; |
| int max_w, max_h; |
| int style; |
| BOOL menu; |
| BOOL constrain_max_size; |
| |
| if (SDL_IsShapedWindow(data->window)) |
| Win32_ResizeWindowShape(data->window); |
| |
| /* If this is an expected size change, allow it */ |
| if (data->expected_resize) { |
| break; |
| } |
| |
| /* Get the current position of our window */ |
| GetWindowRect(hwnd, &size); |
| x = size.left; |
| y = size.top; |
| |
| /* Calculate current size of our window */ |
| SDL_GetWindowSize(data->window, &w, &h); |
| SDL_GetWindowMinimumSize(data->window, &min_w, &min_h); |
| SDL_GetWindowMaximumSize(data->window, &max_w, &max_h); |
| |
| /* Store in min_w and min_h difference between current size and minimal |
| size so we don't need to call AdjustWindowRectEx twice */ |
| min_w -= w; |
| min_h -= h; |
| if (max_w && max_h) { |
| max_w -= w; |
| max_h -= h; |
| constrain_max_size = TRUE; |
| } else { |
| constrain_max_size = FALSE; |
| } |
| |
| size.top = 0; |
| size.left = 0; |
| size.bottom = h; |
| size.right = w; |
| |
| style = GetWindowLong(hwnd, GWL_STYLE); |
| /* DJM - according to the docs for GetMenu(), the |
| return value is undefined if hwnd is a child window. |
| Apparently it's too difficult for MS to check |
| inside their function, so I have to do it here. |
| */ |
| menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL); |
| AdjustWindowRectEx(&size, style, menu, 0); |
| w = size.right - size.left; |
| h = size.bottom - size.top; |
| |
| /* Fix our size to the current size */ |
| info = (MINMAXINFO *) lParam; |
| if (SDL_GetWindowFlags(data->window) & SDL_WINDOW_RESIZABLE) { |
| info->ptMinTrackSize.x = w + min_w; |
| info->ptMinTrackSize.y = h + min_h; |
| if (constrain_max_size) { |
| info->ptMaxTrackSize.x = w + max_w; |
| info->ptMaxTrackSize.y = h + max_h; |
| } |
| } else { |
| info->ptMaxSize.x = w; |
| info->ptMaxSize.y = h; |
| info->ptMaxPosition.x = x; |
| info->ptMaxPosition.y = y; |
| info->ptMinTrackSize.x = w; |
| info->ptMinTrackSize.y = h; |
| info->ptMaxTrackSize.x = w; |
| info->ptMaxTrackSize.y = h; |
| } |
| } |
| returnCode = 0; |
| break; |
| #endif /* WM_GETMINMAXINFO */ |
| |
| case WM_WINDOWPOSCHANGING: |
| |
| if (data->expected_resize) { |
| returnCode = 0; |
| } |
| break; |
| |
| case WM_WINDOWPOSCHANGED: |
| { |
| RECT rect; |
| int x, y; |
| int w, h; |
| |
| if (data->initializing || data->in_border_change) { |
| break; |
| } |
| |
| if (!GetClientRect(hwnd, &rect) || IsRectEmpty(&rect)) { |
| break; |
| } |
| ClientToScreen(hwnd, (LPPOINT) & rect); |
| ClientToScreen(hwnd, (LPPOINT) & rect + 1); |
| |
| WIN_UpdateClipCursor(data->window); |
| |
| x = rect.left; |
| y = rect.top; |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y); |
| |
| w = rect.right - rect.left; |
| h = rect.bottom - rect.top; |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, w, |
| h); |
| |
| /* Forces a WM_PAINT event */ |
| InvalidateRect(hwnd, NULL, FALSE); |
| } |
| break; |
| |
| case WM_SIZE: |
| { |
| switch (wParam) { |
| case SIZE_MAXIMIZED: |
| SDL_SendWindowEvent(data->window, |
| SDL_WINDOWEVENT_MAXIMIZED, 0, 0); |
| break; |
| case SIZE_MINIMIZED: |
| SDL_SendWindowEvent(data->window, |
| SDL_WINDOWEVENT_MINIMIZED, 0, 0); |
| break; |
| default: |
| SDL_SendWindowEvent(data->window, |
| SDL_WINDOWEVENT_RESTORED, 0, 0); |
| break; |
| } |
| } |
| break; |
| |
| case WM_SETCURSOR: |
| { |
| Uint16 hittest; |
| |
| hittest = LOWORD(lParam); |
| if (hittest == HTCLIENT) { |
| SetCursor(SDL_cursor); |
| returnCode = TRUE; |
| } else if (!g_WindowFrameUsableWhileCursorHidden && !SDL_cursor) { |
| SetCursor(NULL); |
| returnCode = TRUE; |
| } |
| } |
| break; |
| |
| /* We were occluded, refresh our display */ |
| case WM_PAINT: |
| { |
| RECT rect; |
| if (GetUpdateRect(hwnd, &rect, FALSE)) { |
| ValidateRect(hwnd, NULL); |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED, |
| 0, 0); |
| } |
| } |
| returnCode = 0; |
| break; |
| |
| /* We'll do our own drawing, prevent flicker */ |
| case WM_ERASEBKGND: |
| { |
| } |
| return (1); |
| |
| case WM_SYSCOMMAND: |
| { |
| if ((wParam & 0xFFF0) == SC_KEYMENU) { |
| return (0); |
| } |
| |
| #if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER) |
| /* Don't start the screensaver or blank the monitor in fullscreen apps */ |
| if ((wParam & 0xFFF0) == SC_SCREENSAVE || |
| (wParam & 0xFFF0) == SC_MONITORPOWER) { |
| if (SDL_GetVideoDevice()->suspend_screensaver) { |
| return (0); |
| } |
| } |
| #endif /* System has screensaver support */ |
| } |
| break; |
| |
| case WM_CLOSE: |
| { |
| SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0); |
| } |
| returnCode = 0; |
| break; |
| |
| case WM_TOUCH: |
| { |
| UINT i, num_inputs = LOWORD(wParam); |
| PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs); |
| if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) { |
| RECT rect; |
| float x, y; |
| |
| if (!GetClientRect(hwnd, &rect) || |
| (rect.right == rect.left && rect.bottom == rect.top)) { |
| if (inputs) { |
| SDL_stack_free(inputs); |
| } |
| break; |
| } |
| ClientToScreen(hwnd, (LPPOINT) & rect); |
| ClientToScreen(hwnd, (LPPOINT) & rect + 1); |
| rect.top *= 100; |
| rect.left *= 100; |
| rect.bottom *= 100; |
| rect.right *= 100; |
| |
| for (i = 0; i < num_inputs; ++i) { |
| PTOUCHINPUT input = &inputs[i]; |
| |
| const SDL_TouchID touchId = (SDL_TouchID)((size_t)input->hSource); |
| if (SDL_AddTouch(touchId, "") < 0) { |
| continue; |
| } |
| |
| /* Get the normalized coordinates for the window */ |
| x = (float)(input->x - rect.left)/(rect.right - rect.left); |
| y = (float)(input->y - rect.top)/(rect.bottom - rect.top); |
| |
| if (input->dwFlags & TOUCHEVENTF_DOWN) { |
| SDL_SendTouch(touchId, input->dwID, SDL_TRUE, x, y, 1.0f); |
| } |
| if (input->dwFlags & TOUCHEVENTF_MOVE) { |
| SDL_SendTouchMotion(touchId, input->dwID, x, y, 1.0f); |
| } |
| if (input->dwFlags & TOUCHEVENTF_UP) { |
| SDL_SendTouch(touchId, input->dwID, SDL_FALSE, x, y, 1.0f); |
| } |
| } |
| } |
| SDL_stack_free(inputs); |
| |
| data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam); |
| return 0; |
| } |
| break; |
| |
| case WM_DROPFILES: |
| { |
| UINT i; |
| HDROP drop = (HDROP) wParam; |
| UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0); |
| for (i = 0; i < count; ++i) { |
| UINT size = DragQueryFile(drop, i, NULL, 0) + 1; |
| LPTSTR buffer = SDL_stack_alloc(TCHAR, size); |
| if (buffer) { |
| if (DragQueryFile(drop, i, buffer, size)) { |
| char *file = WIN_StringToUTF8(buffer); |
| SDL_SendDropFile(data->window, file); |
| SDL_free(file); |
| } |
| SDL_stack_free(buffer); |
| } |
| } |
| SDL_SendDropComplete(data->window); |
| DragFinish(drop); |
| return 0; |
| } |
| break; |
| |
| case WM_NCHITTEST: |
| { |
| SDL_Window *window = data->window; |
| if (window->hit_test) { |
| POINT winpoint = { (int) LOWORD(lParam), (int) HIWORD(lParam) }; |
| if (ScreenToClient(hwnd, &winpoint)) { |
| const SDL_Point point = { (int) winpoint.x, (int) winpoint.y }; |
| const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data); |
| switch (rc) { |
| #define POST_HIT_TEST(ret) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIT_TEST, 0, 0); return ret; } |
| case SDL_HITTEST_DRAGGABLE: POST_HIT_TEST(HTCAPTION); |
| case SDL_HITTEST_RESIZE_TOPLEFT: POST_HIT_TEST(HTTOPLEFT); |
| case SDL_HITTEST_RESIZE_TOP: POST_HIT_TEST(HTTOP); |
| case SDL_HITTEST_RESIZE_TOPRIGHT: POST_HIT_TEST(HTTOPRIGHT); |
| case SDL_HITTEST_RESIZE_RIGHT: POST_HIT_TEST(HTRIGHT); |
| case SDL_HITTEST_RESIZE_BOTTOMRIGHT: POST_HIT_TEST(HTBOTTOMRIGHT); |
| case SDL_HITTEST_RESIZE_BOTTOM: POST_HIT_TEST(HTBOTTOM); |
| case SDL_HITTEST_RESIZE_BOTTOMLEFT: POST_HIT_TEST(HTBOTTOMLEFT); |
| case SDL_HITTEST_RESIZE_LEFT: POST_HIT_TEST(HTLEFT); |
| #undef POST_HIT_TEST |
| case SDL_HITTEST_NORMAL: return HTCLIENT; |
| } |
| } |
| /* If we didn't return, this will call DefWindowProc below. */ |
| } |
| } |
| break; |
| |
| } |
| |
| /* If there's a window proc, assume it's going to handle messages */ |
| if (data->wndproc) { |
| return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam); |
| } else if (returnCode >= 0) { |
| return returnCode; |
| } else { |
| return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam); |
| } |
| } |
| |
| /* A message hook called before TranslateMessage() */ |
| static SDL_WindowsMessageHook g_WindowsMessageHook = NULL; |
| static void *g_WindowsMessageHookData = NULL; |
| |
| void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata) |
| { |
| g_WindowsMessageHook = callback; |
| g_WindowsMessageHookData = userdata; |
| } |
| |
| void |
| WIN_PumpEvents(_THIS) |
| { |
| const Uint8 *keystate; |
| MSG msg; |
| DWORD start_ticks = GetTickCount(); |
| |
| if (g_WindowsEnableMessageLoop) { |
| while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) { |
| if (g_WindowsMessageHook) { |
| g_WindowsMessageHook(g_WindowsMessageHookData, msg.hwnd, msg.message, msg.wParam, msg.lParam); |
| } |
| |
| /* Always translate the message in case it's a non-SDL window (e.g. with Qt integration) */ |
| TranslateMessage(&msg); |
| DispatchMessage(&msg); |
| |
| /* Make sure we don't busy loop here forever if there are lots of events coming in */ |
| if (SDL_TICKS_PASSED(msg.time, start_ticks)) { |
| break; |
| } |
| } |
| } |
| |
| /* Windows loses a shift KEYUP event when you have both pressed at once and let go of one. |
| You won't get a KEYUP until both are released, and that keyup will only be for the second |
| key you released. Take heroic measures and check the keystate as of the last handled event, |
| and if we think a key is pressed when Windows doesn't, unstick it in SDL's state. */ |
| keystate = SDL_GetKeyboardState(NULL); |
| if ((keystate[SDL_SCANCODE_LSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_LSHIFT) & 0x8000)) { |
| SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT); |
| } |
| if ((keystate[SDL_SCANCODE_RSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_RSHIFT) & 0x8000)) { |
| SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RSHIFT); |
| } |
| } |
| |
| static int app_registered = 0; |
| LPTSTR SDL_Appname = NULL; |
| Uint32 SDL_Appstyle = 0; |
| HINSTANCE SDL_Instance = NULL; |
| |
| /* Register the class for this application */ |
| int |
| SDL_RegisterApp(char *name, Uint32 style, void *hInst) |
| { |
| WNDCLASSEX wcex; |
| TCHAR path[MAX_PATH]; |
| |
| /* Only do this once... */ |
| if (app_registered) { |
| ++app_registered; |
| return (0); |
| } |
| if (!name && !SDL_Appname) { |
| name = "SDL_app"; |
| #if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC) |
| SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC); |
| #endif |
| SDL_Instance = hInst ? hInst : GetModuleHandle(NULL); |
| } |
| |
| if (name) { |
| SDL_Appname = WIN_UTF8ToString(name); |
| SDL_Appstyle = style; |
| SDL_Instance = hInst ? hInst : GetModuleHandle(NULL); |
| } |
| |
| /* Register the application class */ |
| wcex.cbSize = sizeof(WNDCLASSEX); |
| wcex.hCursor = NULL; |
| wcex.hIcon = NULL; |
| wcex.hIconSm = NULL; |
| wcex.lpszMenuName = NULL; |
| wcex.lpszClassName = SDL_Appname; |
| wcex.style = SDL_Appstyle; |
| wcex.hbrBackground = NULL; |
| wcex.lpfnWndProc = WIN_WindowProc; |
| wcex.hInstance = SDL_Instance; |
| wcex.cbClsExtra = 0; |
| wcex.cbWndExtra = 0; |
| |
| /* Use the first icon as a default icon, like in the Explorer */ |
| GetModuleFileName(SDL_Instance, path, MAX_PATH); |
| ExtractIconEx(path, 0, &wcex.hIcon, &wcex.hIconSm, 1); |
| |
| if (!RegisterClassEx(&wcex)) { |
| return SDL_SetError("Couldn't register application class"); |
| } |
| |
| app_registered = 1; |
| return 0; |
| } |
| |
| /* Unregisters the windowclass registered in SDL_RegisterApp above. */ |
| void |
| SDL_UnregisterApp() |
| { |
| WNDCLASSEX wcex; |
| |
| /* SDL_RegisterApp might not have been called before */ |
| if (!app_registered) { |
| return; |
| } |
| --app_registered; |
| if (app_registered == 0) { |
| /* Check for any registered window classes. */ |
| if (GetClassInfoEx(SDL_Instance, SDL_Appname, &wcex)) { |
| UnregisterClass(SDL_Appname, SDL_Instance); |
| if (wcex.hIcon) DestroyIcon(wcex.hIcon); |
| if (wcex.hIconSm) DestroyIcon(wcex.hIconSm); |
| } |
| SDL_free(SDL_Appname); |
| SDL_Appname = NULL; |
| } |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_WINDOWS */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |