--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/win32/SDL_win32events.c	Mon Jul 10 21:04:37 2006 +0000
@@ -0,0 +1,954 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_win32video.h"
+#include "SDL_version.h"
+#include "SDL_syswm.h"
+#include "SDL_vkeys.h"
+#include "../../events/SDL_events_c.h"
+
+/*#define WMMSG_DEBUG*/
+#ifdef WMMSG_DEBUG
+#include "wmmsg.h"
+#endif
+
+/* Masks for processing the windows KEYDOWN and KEYUP messages */
+#define REPEATED_KEYMASK	(1<<30)
+#define EXTENDED_KEYMASK	(1<<24)
+
+
+static SDLKey
+TranslateKey(WPARAM vkey)
+{
+    SDLKey key;
+
+    /* FIXME: Assign vkey directly to key if in ASCII range */
+    switch (vkey) {
+    case VK_BACK:
+        key = SDLK_BACKSPACE;
+        break;
+    case VK_TAB:
+        key = SDLK_TAB;
+        break;
+    case VK_CLEAR:
+        key = SDLK_CLEAR;
+        break;
+    case VK_RETURN:
+        key = SDLK_RETURN;
+        break;
+    case VK_PAUSE:
+        key = SDLK_PAUSE;
+        break;
+    case VK_ESCAPE:
+        key = SDLK_ESCAPE;
+        break;
+    case VK_SPACE:
+        key = SDLK_SPACE;
+        break;
+    case VK_APOSTROPHE:
+        key = SDLK_QUOTE;
+        break;
+    case VK_COMMA:
+        key = SDLK_COMMA;
+        break;
+    case VK_MINUS:
+        key = SDLK_MINUS;
+        break;
+    case VK_PERIOD:
+        key = SDLK_PERIOD;
+        break;
+    case VK_SLASH:
+        key = SDLK_SLASH;
+        break;
+    case VK_0:
+        key = SDLK_0;
+        break;
+    case VK_1:
+        key = SDLK_1;
+        break;
+    case VK_2:
+        key = SDLK_2;
+        break;
+    case VK_3:
+        key = SDLK_3;
+        break;
+    case VK_4:
+        key = SDLK_4;
+        break;
+    case VK_5:
+        key = SDLK_5;
+        break;
+    case VK_6:
+        key = SDLK_6;
+        break;
+    case VK_7:
+        key = SDLK_7;
+        break;
+    case VK_8:
+        key = SDLK_8;
+        break;
+    case VK_9:
+        key = SDLK_9;
+        break;
+    case VK_SEMICOLON:
+        key = SDLK_SEMICOLON;
+        break;
+    case VK_EQUALS:
+        key = SDLK_EQUALS;
+        break;
+    case VK_LBRACKET:
+        key = SDLK_LEFTBRACKET;
+        break;
+    case VK_BACKSLASH:
+        key = SDLK_BACKSLASH;
+        break;
+    case VK_OEM_102:
+        key = SDLK_LESS;
+        break;
+    case VK_RBRACKET:
+        key = SDLK_RIGHTBRACKET;
+        break;
+    case VK_GRAVE:
+        key = SDLK_BACKQUOTE;
+        break;
+    case VK_BACKTICK:
+        key = SDLK_BACKQUOTE;
+        break;
+    case VK_A:
+        key = SDLK_a;
+        break;
+    case VK_B:
+        key = SDLK_b;
+        break;
+    case VK_C:
+        key = SDLK_c;
+        break;
+    case VK_D:
+        key = SDLK_d;
+        break;
+    case VK_E:
+        key = SDLK_e;
+        break;
+    case VK_F:
+        key = SDLK_f;
+        break;
+    case VK_G:
+        key = SDLK_g;
+        break;
+    case VK_H:
+        key = SDLK_h;
+        break;
+    case VK_I:
+        key = SDLK_i;
+        break;
+    case VK_J:
+        key = SDLK_j;
+        break;
+    case VK_K:
+        key = SDLK_k;
+        break;
+    case VK_L:
+        key = SDLK_l;
+        break;
+    case VK_M:
+        key = SDLK_m;
+        break;
+    case VK_N:
+        key = SDLK_n;
+        break;
+    case VK_O:
+        key = SDLK_o;
+        break;
+    case VK_P:
+        key = SDLK_p;
+        break;
+    case VK_Q:
+        key = SDLK_q;
+        break;
+    case VK_R:
+        key = SDLK_r;
+        break;
+    case VK_S:
+        key = SDLK_s;
+        break;
+    case VK_T:
+        key = SDLK_t;
+        break;
+    case VK_U:
+        key = SDLK_u;
+        break;
+    case VK_V:
+        key = SDLK_v;
+        break;
+    case VK_W:
+        key = SDLK_w;
+        break;
+    case VK_X:
+        key = SDLK_x;
+        break;
+    case VK_Y:
+        key = SDLK_y;
+        break;
+    case VK_Z:
+        key = SDLK_z;
+        break;
+    case VK_DELETE:
+        key = SDLK_DELETE;
+        break;
+    case VK_NUMPAD0:
+        key = SDLK_KP0;
+        break;
+    case VK_NUMPAD1:
+        key = SDLK_KP1;
+        break;
+    case VK_NUMPAD2:
+        key = SDLK_KP2;
+        break;
+    case VK_NUMPAD3:
+        key = SDLK_KP3;
+        break;
+    case VK_NUMPAD4:
+        key = SDLK_KP4;
+        break;
+    case VK_NUMPAD5:
+        key = SDLK_KP5;
+        break;
+    case VK_NUMPAD6:
+        key = SDLK_KP6;
+        break;
+    case VK_NUMPAD7:
+        key = SDLK_KP7;
+        break;
+    case VK_NUMPAD8:
+        key = SDLK_KP8;
+        break;
+    case VK_NUMPAD9:
+        key = SDLK_KP9;
+        break;
+    case VK_DECIMAL:
+        key = SDLK_KP_PERIOD;
+        break;
+    case VK_DIVIDE:
+        key = SDLK_KP_DIVIDE;
+        break;
+    case VK_MULTIPLY:
+        key = SDLK_KP_MULTIPLY;
+        break;
+    case VK_SUBTRACT:
+        key = SDLK_KP_MINUS;
+        break;
+    case VK_ADD:
+        key = SDLK_KP_PLUS;
+        break;
+    case VK_UP:
+        key = SDLK_UP;
+        break;
+    case VK_DOWN:
+        key = SDLK_DOWN;
+        break;
+    case VK_RIGHT:
+        key = SDLK_RIGHT;
+        break;
+    case VK_LEFT:
+        key = SDLK_LEFT;
+        break;
+    case VK_INSERT:
+        key = SDLK_INSERT;
+        break;
+    case VK_HOME:
+        key = SDLK_HOME;
+        break;
+    case VK_END:
+        key = SDLK_END;
+        break;
+    case VK_PRIOR:
+        key = SDLK_PAGEUP;
+        break;
+    case VK_NEXT:
+        key = SDLK_PAGEDOWN;
+        break;
+    case VK_F1:
+        key = SDLK_F1;
+        break;
+    case VK_F2:
+        key = SDLK_F2;
+        break;
+    case VK_F3:
+        key = SDLK_F3;
+        break;
+    case VK_F4:
+        key = SDLK_F4;
+        break;
+    case VK_F5:
+        key = SDLK_F5;
+        break;
+    case VK_F6:
+        key = SDLK_F6;
+        break;
+    case VK_F7:
+        key = SDLK_F7;
+        break;
+    case VK_F8:
+        key = SDLK_F8;
+        break;
+    case VK_F9:
+        key = SDLK_F9;
+        break;
+    case VK_F10:
+        key = SDLK_F10;
+        break;
+    case VK_F11:
+        key = SDLK_F11;
+        break;
+    case VK_F12:
+        key = SDLK_F12;
+        break;
+    case VK_F13:
+        key = SDLK_F13;
+        break;
+    case VK_F14:
+        key = SDLK_F14;
+        break;
+    case VK_F15:
+        key = SDLK_F15;
+        break;
+    case VK_NUMLOCK:
+        key = SDLK_NUMLOCK;
+        break;
+    case VK_CAPITAL:
+        key = SDLK_CAPSLOCK;
+        break;
+    case VK_SCROLL:
+        key = SDLK_SCROLLOCK;
+        break;
+    case VK_RSHIFT:
+        key = SDLK_RSHIFT;
+        break;
+    case VK_LSHIFT:
+        key = SDLK_LSHIFT;
+        break;
+    case VK_RCONTROL:
+        key = SDLK_RCTRL;
+        break;
+    case VK_LCONTROL:
+        key = SDLK_LCTRL;
+        break;
+    case VK_RMENU:
+        key = SDLK_RALT;
+        break;
+    case VK_LMENU:
+        key = SDLK_LALT;
+        break;
+    case VK_RWIN:
+        key = SDLK_RSUPER;
+        break;
+    case VK_LWIN:
+        key = SDLK_LSUPER;
+        break;
+    case VK_HELP:
+        key = SDLK_HELP;
+        break;
+    case VK_PRINT:
+        key = SDLK_PRINT;
+        break;
+    case VK_SNAPSHOT:
+        key = SDLK_PRINT;
+        break;
+    case VK_CANCEL:
+        key = SDLK_BREAK;
+        break;
+    case VK_APPS:
+        key = SDLK_MENU;
+        break;
+    default:
+        key = SDLK_UNKNOWN;
+        break;
+    }
+    return key;
+}
+
+LRESULT CALLBACK
+WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+    SDL_WindowData *data;
+
+    /* 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
+    fprintf(stderr, "Received windows message:  ");
+    if (msg > MAX_WMMSG) {
+        fprintf(stderr, "%d", msg);
+    } else {
+        fprintf(stderr, "%s", wmtab[msg]);
+    }
+    fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam);
+#endif
+
+    /* Send a SDL_SYSWMEVENT if the application wants them */
+    if (SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE) {
+        SDL_SysWMmsg wmmsg;
+
+        SDL_VERSION(&wmmsg.version);
+        wmmsg.hwnd = hwnd;
+        wmmsg.msg = msg;
+        wmmsg.wParam = wParam;
+        wmmsg.lParam = lParam;
+        SDL_SendSysWMEvent(&wmmsg);
+    }
+
+    switch (msg) {
+
+    case WM_SHOWWINDOW:
+        {
+            if (wParam) {
+                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_SHOWN, 0,
+                                    0);
+            } else {
+                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_HIDDEN, 0,
+                                    0);
+            }
+        }
+        break;
+
+    case WM_ACTIVATE:
+        {
+            int index;
+            SDL_Keyboard *keyboard;
+            BOOL minimized;
+
+            minimized = HIWORD(wParam);
+            index = data->videodata->keyboard;
+            keyboard = SDL_GetKeyboard(index);
+            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
+                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_SHOWN,
+                                    0, 0);
+                SDL_SendWindowEvent(data->windowID,
+                                    SDL_WINDOWEVENT_RESTORED, 0, 0);
+                if (IsZoomed(hwnd)) {
+                    SDL_SendWindowEvent(data->windowID,
+                                        SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
+                }
+                if (keyboard && keyboard->focus != data->windowID) {
+                    SDL_SetKeyboardFocus(index, data->windowID);
+                }
+                /* FIXME: Update keyboard state */
+            } else {
+                if (keyboard && keyboard->focus == data->windowID) {
+                    SDL_SetKeyboardFocus(index, 0);
+                }
+                if (minimized) {
+                    SDL_SendWindowEvent(data->windowID,
+                                        SDL_WINDOWEVENT_MINIMIZED, 0, 0);
+                }
+            }
+            return (0);
+        }
+        break;
+
+    case WM_MOUSEMOVE:
+        {
+            int index;
+            SDL_Mouse *mouse;
+            int x, y;
+
+            index = data->videodata->mouse;
+            mouse = SDL_GetMouse(index);
+
+            if (mouse->focus != data->windowID) {
+                TRACKMOUSEEVENT tme;
+
+                tme.cbSize = sizeof(tme);
+                tme.dwFlags = TME_LEAVE;
+                tme.hwndTrack = hwnd;
+                TrackMouseEvent(&tme);
+
+                SDL_SetMouseFocus(index, data->windowID);
+            }
+
+            /* mouse has moved within the window */
+            x = LOWORD(lParam);
+            y = HIWORD(lParam);
+            if (mouse->relative_mode) {
+                int w, h;
+                POINT center;
+                SDL_GetWindowSize(data->windowID, &w, &h);
+                center.x = (w / 2);
+                center.y = (h / 2);
+                x -= center.x;
+                y -= center.y;
+                if (x || y) {
+                    ClientToScreen(hwnd, &center);
+                    SetCursorPos(center.x, center.y);
+                    SDL_SendMouseMotion(index, 1, x, y);
+                }
+            } else {
+                SDL_SendMouseMotion(index, 0, x, y);
+            }
+        }
+        return (0);
+
+    case WM_MOUSELEAVE:
+        {
+            int index;
+            SDL_Mouse *mouse;
+
+            index = data->videodata->mouse;
+            mouse = SDL_GetMouse(index);
+
+            if (mouse->focus == data->windowID) {
+                SDL_SetMouseFocus(index, 0);
+            }
+        }
+        return (0);
+
+    case WM_LBUTTONDOWN:
+    case WM_LBUTTONUP:
+    case WM_MBUTTONDOWN:
+    case WM_MBUTTONUP:
+    case WM_RBUTTONDOWN:
+    case WM_RBUTTONUP:
+        {
+            int index;
+            SDL_Mouse *mouse;
+            Uint8 button, state;
+
+            /* DJM:
+               We want the SDL window to take focus so that
+               it acts like a normal windows "component"
+               (e.g. gains keyboard focus on a mouse click).
+             */
+            SetFocus(hwnd);
+
+            index = data->videodata->mouse;
+            mouse = SDL_GetMouse(index);
+
+            /* Figure out which button to use */
+            switch (msg) {
+            case WM_LBUTTONDOWN:
+                button = SDL_BUTTON_LEFT;
+                state = SDL_PRESSED;
+                break;
+            case WM_LBUTTONUP:
+                button = SDL_BUTTON_LEFT;
+                state = SDL_RELEASED;
+                break;
+            case WM_MBUTTONDOWN:
+                button = SDL_BUTTON_MIDDLE;
+                state = SDL_PRESSED;
+                break;
+            case WM_MBUTTONUP:
+                button = SDL_BUTTON_MIDDLE;
+                state = SDL_RELEASED;
+                break;
+            case WM_RBUTTONDOWN:
+                button = SDL_BUTTON_RIGHT;
+                state = SDL_PRESSED;
+                break;
+            case WM_RBUTTONUP:
+                button = SDL_BUTTON_RIGHT;
+                state = SDL_RELEASED;
+                break;
+            default:
+                /* Eh? Unknown button? */
+                return (0);
+            }
+            if (state == SDL_PRESSED) {
+                /* Grab mouse so we get up events */
+                if (++data->mouse_pressed > 0) {
+                    SetCapture(hwnd);
+                }
+            } else {
+                /* Release mouse after all up events */
+                if (--data->mouse_pressed <= 0) {
+                    ReleaseCapture();
+                    data->mouse_pressed = 0;
+                }
+            }
+
+            if (!mouse->relative_mode) {
+                int x, y;
+                x = LOWORD(lParam);
+                y = HIWORD(lParam);
+                SDL_SendMouseMotion(index, 0, x, y);
+            }
+            SDL_SendMouseButton(index, state, button);
+        }
+        return (0);
+
+    case WM_MOUSEWHEEL:
+        {
+            int index;
+            int motion = (short) HIWORD(wParam);
+
+            index = data->videodata->mouse;
+            SDL_SendMouseWheel(index, motion);
+        }
+        return (0);
+
+    case WM_SYSKEYDOWN:
+    case WM_KEYDOWN:
+        {
+            int index;
+
+            /* Ignore repeated keys */
+            if (lParam & REPEATED_KEYMASK) {
+                return (0);
+            }
+
+            index = data->videodata->keyboard;
+            switch (wParam) {
+            case VK_CONTROL:
+                if (lParam & EXTENDED_KEYMASK)
+                    wParam = VK_RCONTROL;
+                else
+                    wParam = VK_LCONTROL;
+                break;
+            case VK_SHIFT:
+                /* EXTENDED trick doesn't work here */
+                {
+                    Uint8 *state = SDL_GetKeyState(NULL);
+                    if (state[SDLK_LSHIFT] == SDL_RELEASED
+                        && (GetKeyState(VK_LSHIFT) & 0x8000)) {
+                        wParam = VK_LSHIFT;
+                    } else if (state[SDLK_RSHIFT] == SDL_RELEASED
+                               && (GetKeyState(VK_RSHIFT) & 0x8000)) {
+                        wParam = VK_RSHIFT;
+                    } else {
+                        /* Probably a key repeat */
+                        return (0);
+                    }
+                }
+                break;
+            case VK_MENU:
+                if (lParam & EXTENDED_KEYMASK)
+                    wParam = VK_RMENU;
+                else
+                    wParam = VK_LMENU;
+                break;
+            }
+            SDL_SendKeyboardKey(index, SDL_PRESSED, (Uint8) HIWORD(lParam),
+                                TranslateKey(wParam));
+        }
+        return (0);
+
+    case WM_SYSKEYUP:
+    case WM_KEYUP:
+        {
+            int index;
+
+            index = data->videodata->keyboard;
+            switch (wParam) {
+            case VK_CONTROL:
+                if (lParam & EXTENDED_KEYMASK)
+                    wParam = VK_RCONTROL;
+                else
+                    wParam = VK_LCONTROL;
+                break;
+            case VK_SHIFT:
+                /* EXTENDED trick doesn't work here */
+                {
+                    Uint8 *state = SDL_GetKeyState(NULL);
+                    if (state[SDLK_LSHIFT] == SDL_PRESSED
+                        && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
+                        wParam = VK_LSHIFT;
+                    } else if (state[SDLK_RSHIFT] == SDL_PRESSED
+                               && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
+                        wParam = VK_RSHIFT;
+                    } else {
+                        /* Probably a key repeat */
+                        return (0);
+                    }
+                }
+                break;
+            case VK_MENU:
+                if (lParam & EXTENDED_KEYMASK)
+                    wParam = VK_RMENU;
+                else
+                    wParam = VK_LMENU;
+                break;
+            }
+            /* Windows only reports keyup for print screen */
+            if (wParam == VK_SNAPSHOT
+                && SDL_GetKeyState(NULL)[SDLK_PRINT] == SDL_RELEASED) {
+                SDL_SendKeyboardKey(index, SDL_PRESSED,
+                                    (Uint8) HIWORD(lParam),
+                                    TranslateKey(wParam));
+            }
+            SDL_SendKeyboardKey(index, SDL_RELEASED, (Uint8) HIWORD(lParam),
+                                TranslateKey(wParam));
+        }
+        return (0);
+
+    case WM_GETMINMAXINFO:
+        {
+            MINMAXINFO *info;
+            RECT size;
+            int x, y;
+            int w, h;
+            int style;
+
+            /* If we allow resizing, let the resize happen naturally */
+            if (SDL_GetWindowFlags(data->windowID) & SDL_WINDOW_RESIZABLE) {
+                return (0);
+            }
+
+            /* 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->windowID, &w, &h);
+            size.top = 0;
+            size.left = 0;
+            size.bottom = h;
+            size.right = w;
+
+            /* DJM - according to the docs for GetMenu(), the
+               return value is undefined if hwnd is a child window.
+               Aparently it's too difficult for MS to check
+               inside their function, so I have to do it here.
+             */
+            style = GetWindowLong(hwnd, GWL_STYLE);
+            AdjustWindowRect(&size,
+                             style,
+                             style & WS_CHILDWINDOW ? FALSE : GetMenu(hwnd) !=
+                             NULL);
+
+            w = size.right - size.left;
+            h = size.bottom - size.top;
+
+            /* Fix our size to the current size */
+            info = (MINMAXINFO *) lParam;
+            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;
+        }
+        return (0);
+
+    case WM_WINDOWPOSCHANGED:
+        {
+            RECT rect;
+            int x, y;
+            int w, h;
+            Uint32 window_flags;
+
+            GetClientRect(hwnd, &rect);
+            ClientToScreen(hwnd, (LPPOINT) & rect);
+            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
+
+            window_flags = SDL_GetWindowFlags(data->windowID);
+            if ((window_flags & SDL_WINDOW_INPUT_GRABBED) &&
+                (window_flags & SDL_WINDOW_INPUT_FOCUS)) {
+                ClipCursor(&rect);
+            }
+
+            x = rect.left;
+            y = rect.top;
+            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_MOVED, x, y);
+
+            w = rect.right - rect.left;
+            h = rect.bottom - rect.top;
+            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_RESIZED, w,
+                                h);
+        }
+        break;
+
+    case WM_SETCURSOR:
+        {
+            /*
+               Uint16 hittest;
+
+               hittest = LOWORD(lParam);
+               if (hittest == HTCLIENT) {
+               SetCursor(SDL_hcursor);
+               return (TRUE);
+               }
+             */
+        }
+        break;
+
+        /* We are about to get palette focus! */
+    case WM_QUERYNEWPALETTE:
+        {
+            /*
+               WIN_RealizePalette(current_video);
+               return (TRUE);
+             */
+        }
+        break;
+
+        /* Another application changed the palette */
+    case WM_PALETTECHANGED:
+        {
+            /*
+               WIN_PaletteChanged(current_video, (HWND) wParam);
+             */
+        }
+        break;
+
+        /* We were occluded, refresh our display */
+    case WM_PAINT:
+        {
+            RECT rect;
+            if (GetUpdateRect(hwnd, &rect, FALSE)) {
+                ValidateRect(hwnd, &rect);
+                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_EXPOSED,
+                                    0, 0);
+            }
+        }
+        return (0);
+
+        /* We'll do our own drawing, prevent flicker */
+    case WM_ERASEBKGND:
+        {
+        }
+        return (1);
+
+    case WM_SYSCOMMAND:
+        {
+            /* Don't start the screensaver or blank the monitor in fullscreen apps */
+            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
+                (wParam & 0xFFF0) == SC_MONITORPOWER) {
+                if (SDL_GetWindowFlags(data->windowID) &
+                    SDL_WINDOW_FULLSCREEN) {
+                    return (0);
+                }
+            }
+        }
+        break;
+
+    case WM_CLOSE:
+        {
+            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_CLOSE, 0, 0);
+        }
+        return (0);
+    }
+    return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
+}
+
+void
+WIN_PumpEvents(_THIS)
+{
+    MSG msg;
+    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+}
+
+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)
+{
+    WNDCLASS class;
+
+    /* Only do this once... */
+    if (app_registered) {
+        ++app_registered;
+        return (0);
+    }
+    if (!name && !SDL_Appname) {
+        name = "SDL_app";
+        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
+        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 */
+    class.hCursor = NULL;
+    class.hIcon = LoadImage(SDL_Instance, SDL_Appname,
+                            IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR);
+    class.lpszMenuName = NULL;
+    class.lpszClassName = SDL_Appname;
+    class.hbrBackground = NULL;
+    class.hInstance = SDL_Instance;
+    class.style = SDL_Appstyle;
+    class.lpfnWndProc = DefWindowProc;
+    class.cbWndExtra = 0;
+    class.cbClsExtra = 0;
+    if (!RegisterClass(&class)) {
+        SDL_SetError("Couldn't register application class");
+        return (-1);
+    }
+
+    app_registered = 1;
+    return (0);
+}
+
+/* Unregisters the windowclass registered in SDL_RegisterApp above. */
+void
+SDL_UnregisterApp()
+{
+    WNDCLASS class;
+
+    /* 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 (GetClassInfo(SDL_Instance, SDL_Appname, &class)) {
+            UnregisterClass(SDL_Appname, SDL_Instance);
+        }
+        SDL_free(SDL_Appname);
+        SDL_Appname = NULL;
+    }
+}
+
+/* Sets an error message based on GetLastError() */
+void
+WIN_SetError(const char *prefix)
+{
+    TCHAR buffer[1024];
+    char *message;
+
+    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
+                  NULL,
+                  GetLastError(), 0, buffer, SDL_arraysize(buffer), NULL);
+
+    message = WIN_StringToUTF8(buffer);
+    SDL_SetError("%s%s%s", prefix ? prefix : "", prefix ? ":" : "", message);
+    SDL_free(message);
+}
+
+/* vi: set ts=4 sw=4 expandtab: */