src/video/win32/SDL_win32events.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 19 Feb 2009 04:41:09 +0000
changeset 3076 085e46423377
parent 3032 77c3e67f0740
child 3095 75483112b97f
permissions -rw-r--r--
Use the default arrow cursor until we implement the cursor API
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2009 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#if (_WIN32_WINNT < 0x0501)
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#undef _WIN32_WINNT
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#define _WIN32_WINNT 0x0501
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#endif
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#include "SDL_config.h"
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#include "SDL_win32video.h"
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#include "SDL_syswm.h"
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#include "SDL_vkeys.h"
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#include "../../events/SDL_events_c.h"
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/*#define WMMSG_DEBUG*/
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#ifdef WMMSG_DEBUG
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#include <stdio.h>
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#include "wmmsg.h"
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#endif
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/* Masks for processing the windows KEYDOWN and KEYUP messages */
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#define REPEATED_KEYMASK    (1<<30)
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#define EXTENDED_KEYMASK    (1<<24)
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#define VK_ENTER    10          /* Keypad Enter ... no VKEY defined? */
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/* Make sure XBUTTON stuff is defined that isn't in older Platform SDKs... */
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#ifndef WM_XBUTTONDOWN
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#define WM_XBUTTONDOWN 0x020B
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#endif
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#ifndef WM_XBUTTONUP
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#define WM_XBUTTONUP 0x020C
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#endif
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#ifndef GET_XBUTTON_WPARAM
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#define GET_XBUTTON_WPARAM(w) (HIWORD(w))
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#endif
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#ifndef WM_INPUT
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#define WM_INPUT 0x00ff
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#endif
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extern HCTX *g_hCtx;
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extern HANDLE *mice;
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extern int total_mice;
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extern int tablet;
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int pressure = 0;               /* the pressure reported by the tablet */
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static WPARAM
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RemapVKEY(WPARAM wParam, LPARAM lParam)
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{
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    int i;
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    BYTE scancode = (BYTE) ((lParam >> 16) & 0xFF);
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    /* Windows remaps alphabetic keys based on current layout.
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       We try to provide USB scancodes, so undo this mapping.
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     */
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    if (wParam >= 'A' && wParam <= 'Z') {
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        if (scancode != alpha_scancodes[wParam - 'A']) {
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            for (i = 0; i < SDL_arraysize(alpha_scancodes); ++i) {
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                if (scancode == alpha_scancodes[i]) {
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                    wParam = 'A' + i;
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                    break;
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                }
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            }
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        }
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    }
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    /* Keypad keys are a little trickier, we always scan for them. */
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    for (i = 0; i < SDL_arraysize(keypad_scancodes); ++i) {
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        if (scancode == keypad_scancodes[i]) {
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            wParam = VK_NUMPAD0 + i;
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            break;
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        }
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    }
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    return wParam;
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}
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LRESULT CALLBACK
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WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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    SDL_WindowData *data;
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    RAWINPUT *raw;
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    PACKET packet;
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    /* Send a SDL_SYSWMEVENT if the application wants them */
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    if (SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE) {
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        SDL_SysWMmsg wmmsg;
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        SDL_VERSION(&wmmsg.version);
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        wmmsg.hwnd = hwnd;
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        wmmsg.msg = msg;
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        wmmsg.wParam = wParam;
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        wmmsg.lParam = lParam;
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        SDL_SendSysWMEvent(&wmmsg);
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    }
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    /* Get the window data for the window */
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    data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
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    if (!data) {
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        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
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    }
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#ifdef WMMSG_DEBUG
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    {
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        FILE *log = fopen("wmmsg.txt", "a");
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        fprintf(log, "Received windows message: %p ", hwnd);
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        if (msg > MAX_WMMSG) {
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            fprintf(log, "%d", msg);
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        } else {
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            fprintf(log, "%s", wmtab[msg]);
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        }
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        fprintf(log, " -- 0x%X, 0x%X\n", wParam, lParam);
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        fclose(log);
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    }
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#endif
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    switch (msg) {
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    case WT_PACKET:
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        {
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            /* if we receive such data we need to update the pressure */
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            SDL_VideoData *videodata = data->videodata;
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            if (videodata->wintabDLL
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                && videodata->WTPacket((HCTX) lParam, wParam, &packet)) {
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                SDL_ChangeEnd(tablet, (int) packet.pkCursor);
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                pressure = (int) packet.pkNormalPressure;
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            }
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        }
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        break;
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    case WT_PROXIMITY:
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        {
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            /* checking where the proximity message showed up */
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            int h_context = LOWORD(lParam);
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            POINT point;
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            GetCursorPos(&point);
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            ScreenToClient(hwnd, &point);
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            /* are we in proximity or out of proximity */
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            if (h_context == 0) {
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                SDL_SendProximity(tablet, point.x, point.y, SDL_PROXIMITYOUT);
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            } else {
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                SDL_SendProximity(tablet, point.x, point.y, SDL_PROXIMITYIN);
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            }
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        }
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        break;
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    case WM_SHOWWINDOW:
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        {
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            if (wParam) {
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                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_SHOWN, 0,
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                                    0);
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            } else {
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                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_HIDDEN, 0,
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                                    0);
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            }
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        }
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        break;
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    case WM_ACTIVATE:
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        {
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            int index;
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            SDL_Keyboard *keyboard;
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            BOOL minimized;
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            minimized = HIWORD(wParam);
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            index = data->videodata->keyboard;
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            keyboard = SDL_GetKeyboard(index);
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            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
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                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_SHOWN,
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                                    0, 0);
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                SDL_SendWindowEvent(data->windowID,
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                                    SDL_WINDOWEVENT_RESTORED, 0, 0);
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                if (IsZoomed(hwnd)) {
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                    SDL_SendWindowEvent(data->windowID,
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                                        SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
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                }
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                if (keyboard && keyboard->focus != data->windowID) {
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                    SDL_SetKeyboardFocus(index, data->windowID);
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                }
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                /* FIXME: Update keyboard state */
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            } else {
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                if (keyboard && keyboard->focus == data->windowID) {
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                    SDL_SetKeyboardFocus(index, 0);
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                }
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                if (minimized) {
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                    SDL_SendWindowEvent(data->windowID,
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                                        SDL_WINDOWEVENT_MINIMIZED, 0, 0);
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                }
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            }
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        }
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        return (0);
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    case WM_INPUT:             /* mouse events */
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        {
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            LPBYTE lpb;
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            const RAWINPUTHEADER *header;
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            int index;
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            int i;
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            int size = 0;
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            const RAWMOUSE *raw_mouse = NULL;
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            POINT point;
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            USHORT flags;
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            int w, h;
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            /* we're collecting data from the mouse */
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            GetRawInputData((HRAWINPUT) lParam, RID_INPUT, NULL, &size,
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                            sizeof(RAWINPUTHEADER));
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            lpb = SDL_stack_alloc(BYTE, size);
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            GetRawInputData((HRAWINPUT) lParam, RID_INPUT, lpb, &size,
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                            sizeof(RAWINPUTHEADER));
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            raw = (RAWINPUT *) lpb;
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            header = &raw->header;
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            flags = raw->data.mouse.usButtonFlags;
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            /* we're checking which mouse generated the event */
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            for (i = 0; i < total_mice; ++i) {
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                if (mice[i] == header->hDevice) {
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                    index = i;
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                    break;
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                }
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            }
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/* FIXME: Doesn't this defeat the point of using raw input? */
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            GetCursorPos(&point);
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            ScreenToClient(hwnd, &point);
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            SDL_GetWindowSize(data->windowID, &w, &h);
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            if (point.x >= 0 && point.y >= 0 && point.x < w && point.y < h) {
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                SDL_SetMouseFocus(index, data->windowID);
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            } else {
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                SDL_SetMouseFocus(index, 0);
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                /* FIXME: Should we be doing anything else here? */
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                break;
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            }
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            /* if the message was sent by a tablet we have to send also pressure */
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            if (index == tablet) {
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                SDL_SendMouseMotion(index, 0, point.x, point.y, pressure);
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            } else {
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                SDL_SendMouseMotion(index, 0, point.x, point.y, 0);
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            }
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            /* we're sending mouse buttons messages to check up if sth changed */
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            if (flags & RI_MOUSE_LEFT_BUTTON_DOWN) {
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                SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_LEFT);
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            } else if (flags & RI_MOUSE_LEFT_BUTTON_UP) {
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                SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_LEFT);
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            }
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            if (flags & RI_MOUSE_MIDDLE_BUTTON_DOWN) {
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                SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_MIDDLE);
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            } else if (flags & RI_MOUSE_MIDDLE_BUTTON_UP) {
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                SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_MIDDLE);
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            }
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   273
            if (flags & RI_MOUSE_RIGHT_BUTTON_DOWN) {
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                SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_RIGHT);
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   275
            } else if (flags & RI_MOUSE_RIGHT_BUTTON_UP) {
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   276
                SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_RIGHT);
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            }
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   278
            if (flags & RI_MOUSE_BUTTON_4_DOWN) {
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   279
                SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_X1);
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   280
            } else if (flags & RI_MOUSE_BUTTON_4_UP) {
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   281
                SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_X1);
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   282
            }
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   283
            if (flags & RI_MOUSE_BUTTON_5_DOWN) {
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   284
                SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_X2);
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   285
            } else if (flags & RI_MOUSE_BUTTON_5_UP) {
slouken@2711
   286
                SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_X2);
slouken@2711
   287
            }
slouken@2710
   288
            if (flags & RI_MOUSE_WHEEL) {
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   289
                SDL_SendMouseWheel(index, 0,
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   290
                                   (short) raw->data.mouse.usButtonData);
slouken@1895
   291
            }
slouken@2766
   292
            SDL_stack_free(lpb);
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   293
        }
slouken@1895
   294
        return (0);
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   295
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   296
    case WM_MOUSELEAVE:
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   297
        {
slouken@2974
   298
            int i;
slouken@1895
   299
slouken@2974
   300
            for (i = 0; i < SDL_GetNumMice(); ++i) {
slouken@2974
   301
                SDL_Mouse *mouse = SDL_GetMouse(i);
slouken@1895
   302
slouken@2974
   303
                if (mouse->focus == data->windowID) {
slouken@2974
   304
                    SDL_SetMouseFocus(i, 0);
slouken@2974
   305
                }
slouken@1895
   306
            }
slouken@1895
   307
        }
slouken@1895
   308
        return (0);
slouken@1895
   309
slouken@1895
   310
    case WM_SYSKEYDOWN:
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   311
    case WM_KEYDOWN:
slouken@1895
   312
        {
slouken@1895
   313
            int index;
slouken@1895
   314
slouken@1895
   315
            /* Ignore repeated keys */
slouken@1895
   316
            if (lParam & REPEATED_KEYMASK) {
slouken@1895
   317
                return (0);
slouken@1895
   318
            }
slouken@1895
   319
slouken@1895
   320
            index = data->videodata->keyboard;
slouken@2310
   321
            wParam = RemapVKEY(wParam, lParam);
slouken@1895
   322
            switch (wParam) {
slouken@1895
   323
            case VK_CONTROL:
slouken@1895
   324
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   325
                    wParam = VK_RCONTROL;
slouken@1895
   326
                else
slouken@1895
   327
                    wParam = VK_LCONTROL;
slouken@1895
   328
                break;
slouken@1895
   329
            case VK_SHIFT:
slouken@1895
   330
                /* EXTENDED trick doesn't work here */
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   331
                {
slouken@2308
   332
                    Uint8 *state = SDL_GetKeyboardState(NULL);
slouken@2308
   333
                    if (state[SDL_SCANCODE_LSHIFT] == SDL_RELEASED
slouken@1895
   334
                        && (GetKeyState(VK_LSHIFT) & 0x8000)) {
slouken@1895
   335
                        wParam = VK_LSHIFT;
slouken@2308
   336
                    } else if (state[SDL_SCANCODE_RSHIFT] == SDL_RELEASED
slouken@1895
   337
                               && (GetKeyState(VK_RSHIFT) & 0x8000)) {
slouken@1895
   338
                        wParam = VK_RSHIFT;
slouken@1895
   339
                    } else {
slouken@1895
   340
                        /* Probably a key repeat */
slouken@1895
   341
                        return (0);
slouken@1895
   342
                    }
slouken@1895
   343
                }
slouken@1895
   344
                break;
slouken@1895
   345
            case VK_MENU:
slouken@1895
   346
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   347
                    wParam = VK_RMENU;
slouken@1895
   348
                else
slouken@1895
   349
                    wParam = VK_LMENU;
slouken@1895
   350
                break;
slouken@2313
   351
            case VK_RETURN:
slouken@2313
   352
                if (lParam & EXTENDED_KEYMASK)
slouken@2313
   353
                    wParam = VK_ENTER;
slouken@2313
   354
                break;
slouken@1895
   355
            }
slouken@2308
   356
            if (wParam < 256) {
slouken@2308
   357
                SDL_SendKeyboardKey(index, SDL_PRESSED,
slouken@2308
   358
                                    data->videodata->key_layout[wParam]);
slouken@2308
   359
            }
slouken@1895
   360
        }
slouken@1895
   361
        return (0);
slouken@1895
   362
slouken@1895
   363
    case WM_SYSKEYUP:
slouken@1895
   364
    case WM_KEYUP:
slouken@1895
   365
        {
slouken@1895
   366
            int index;
slouken@1895
   367
slouken@1895
   368
            index = data->videodata->keyboard;
slouken@2310
   369
            wParam = RemapVKEY(wParam, lParam);
slouken@1895
   370
            switch (wParam) {
slouken@1895
   371
            case VK_CONTROL:
slouken@1895
   372
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   373
                    wParam = VK_RCONTROL;
slouken@1895
   374
                else
slouken@1895
   375
                    wParam = VK_LCONTROL;
slouken@1895
   376
                break;
slouken@1895
   377
            case VK_SHIFT:
slouken@1895
   378
                /* EXTENDED trick doesn't work here */
slouken@1895
   379
                {
slouken@2308
   380
                    Uint8 *state = SDL_GetKeyboardState(NULL);
slouken@2308
   381
                    if (state[SDL_SCANCODE_LSHIFT] == SDL_PRESSED
slouken@1895
   382
                        && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
slouken@1895
   383
                        wParam = VK_LSHIFT;
slouken@2308
   384
                    } else if (state[SDL_SCANCODE_RSHIFT] == SDL_PRESSED
slouken@1895
   385
                               && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
slouken@1895
   386
                        wParam = VK_RSHIFT;
slouken@1895
   387
                    } else {
slouken@1895
   388
                        /* Probably a key repeat */
slouken@1895
   389
                        return (0);
slouken@1895
   390
                    }
slouken@1895
   391
                }
slouken@1895
   392
                break;
slouken@1895
   393
            case VK_MENU:
slouken@1895
   394
                if (lParam & EXTENDED_KEYMASK)
slouken@1895
   395
                    wParam = VK_RMENU;
slouken@1895
   396
                else
slouken@1895
   397
                    wParam = VK_LMENU;
slouken@1895
   398
                break;
slouken@2313
   399
            case VK_RETURN:
slouken@2313
   400
                if (lParam & EXTENDED_KEYMASK)
slouken@2313
   401
                    wParam = VK_ENTER;
slouken@2313
   402
                break;
slouken@1895
   403
            }
slouken@2710
   404
slouken@1895
   405
            /* Windows only reports keyup for print screen */
slouken@1895
   406
            if (wParam == VK_SNAPSHOT
slouken@2308
   407
                && SDL_GetKeyboardState(NULL)[SDL_SCANCODE_PRINTSCREEN] ==
slouken@2308
   408
                SDL_RELEASED) {
slouken@1895
   409
                SDL_SendKeyboardKey(index, SDL_PRESSED,
slouken@2308
   410
                                    data->videodata->key_layout[wParam]);
slouken@1895
   411
            }
slouken@2308
   412
            if (wParam < 256) {
slouken@2308
   413
                SDL_SendKeyboardKey(index, SDL_RELEASED,
slouken@2308
   414
                                    data->videodata->key_layout[wParam]);
slouken@2308
   415
            }
slouken@1895
   416
        }
slouken@1895
   417
        return (0);
slouken@1895
   418
slouken@2309
   419
    case WM_CHAR:
slouken@2309
   420
        {
slouken@2309
   421
            char text[4];
slouken@2309
   422
slouken@2309
   423
            /* Convert to UTF-8 and send it on... */
slouken@2309
   424
            if (wParam <= 0x7F) {
slouken@2309
   425
                text[0] = (char) wParam;
slouken@2309
   426
                text[1] = '\0';
slouken@2309
   427
            } else if (wParam <= 0x7FF) {
slouken@2309
   428
                text[0] = 0xC0 | (char) ((wParam >> 6) & 0x1F);
slouken@2309
   429
                text[1] = 0x80 | (char) (wParam & 0x3F);
slouken@2309
   430
                text[2] = '\0';
slouken@2309
   431
            } else {
slouken@2309
   432
                text[0] = 0xE0 | (char) ((wParam >> 12) & 0x0F);
slouken@2309
   433
                text[1] = 0x80 | (char) ((wParam >> 6) & 0x3F);
slouken@2309
   434
                text[2] = 0x80 | (char) (wParam & 0x3F);
slouken@2309
   435
                text[3] = '\0';
slouken@2309
   436
            }
slouken@2309
   437
            SDL_SendKeyboardText(data->videodata->keyboard, text);
slouken@2309
   438
        }
slouken@2309
   439
        return (0);
slouken@2309
   440
slouken@2311
   441
    case WM_INPUTLANGCHANGE:
slouken@2311
   442
        {
slouken@2311
   443
            WIN_UpdateKeymap(data->videodata->keyboard);
slouken@2311
   444
        }
slouken@2311
   445
        return (1);
slouken@2311
   446
slouken@1895
   447
    case WM_GETMINMAXINFO:
slouken@1895
   448
        {
slouken@1895
   449
            MINMAXINFO *info;
slouken@1895
   450
            RECT size;
slouken@1895
   451
            int x, y;
slouken@1895
   452
            int w, h;
slouken@1895
   453
            int style;
slouken@1895
   454
slouken@1895
   455
            /* If we allow resizing, let the resize happen naturally */
slouken@1895
   456
            if (SDL_GetWindowFlags(data->windowID) & SDL_WINDOW_RESIZABLE) {
slouken@1895
   457
                return (0);
slouken@1895
   458
            }
slouken@1895
   459
slouken@1895
   460
            /* Get the current position of our window */
slouken@1895
   461
            GetWindowRect(hwnd, &size);
slouken@1895
   462
            x = size.left;
slouken@1895
   463
            y = size.top;
slouken@1895
   464
slouken@1895
   465
            /* Calculate current size of our window */
slouken@1895
   466
            SDL_GetWindowSize(data->windowID, &w, &h);
slouken@1895
   467
            size.top = 0;
slouken@1895
   468
            size.left = 0;
slouken@1895
   469
            size.bottom = h;
slouken@1895
   470
            size.right = w;
slouken@1895
   471
slouken@1895
   472
            /* DJM - according to the docs for GetMenu(), the
slouken@1895
   473
               return value is undefined if hwnd is a child window.
slouken@1895
   474
               Aparently it's too difficult for MS to check
slouken@1895
   475
               inside their function, so I have to do it here.
slouken@1895
   476
             */
slouken@1895
   477
            style = GetWindowLong(hwnd, GWL_STYLE);
slouken@2710
   478
            AdjustWindowRect(&size, style,
slouken@2710
   479
                             style & WS_CHILDWINDOW ? FALSE : GetMenu(hwnd)
slouken@2710
   480
                             != NULL);
slouken@1895
   481
            w = size.right - size.left;
slouken@1895
   482
            h = size.bottom - size.top;
slouken@1895
   483
slouken@1895
   484
            /* Fix our size to the current size */
slouken@1895
   485
            info = (MINMAXINFO *) lParam;
slouken@1895
   486
            info->ptMaxSize.x = w;
slouken@1895
   487
            info->ptMaxSize.y = h;
slouken@1895
   488
            info->ptMaxPosition.x = x;
slouken@1895
   489
            info->ptMaxPosition.y = y;
slouken@1895
   490
            info->ptMinTrackSize.x = w;
slouken@1895
   491
            info->ptMinTrackSize.y = h;
slouken@1895
   492
            info->ptMaxTrackSize.x = w;
slouken@1895
   493
            info->ptMaxTrackSize.y = h;
slouken@1895
   494
        }
slouken@1895
   495
        return (0);
slouken@1895
   496
slouken@1895
   497
    case WM_WINDOWPOSCHANGED:
slouken@1895
   498
        {
slouken@1895
   499
            RECT rect;
slouken@1895
   500
            int x, y;
slouken@1895
   501
            int w, h;
slouken@1895
   502
            Uint32 window_flags;
slouken@1895
   503
slouken@1895
   504
            GetClientRect(hwnd, &rect);
slouken@1895
   505
            ClientToScreen(hwnd, (LPPOINT) & rect);
slouken@1895
   506
            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
slouken@1895
   507
slouken@1895
   508
            window_flags = SDL_GetWindowFlags(data->windowID);
slouken@1895
   509
            if ((window_flags & SDL_WINDOW_INPUT_GRABBED) &&
slouken@1895
   510
                (window_flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@1895
   511
                ClipCursor(&rect);
slouken@1895
   512
            }
slouken@1895
   513
slouken@1895
   514
            x = rect.left;
slouken@1895
   515
            y = rect.top;
slouken@1895
   516
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_MOVED, x, y);
slouken@1895
   517
slouken@1895
   518
            w = rect.right - rect.left;
slouken@1895
   519
            h = rect.bottom - rect.top;
slouken@1895
   520
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_RESIZED, w,
slouken@1895
   521
                                h);
slouken@1895
   522
        }
slouken@1895
   523
        break;
slouken@1895
   524
slouken@1895
   525
    case WM_SETCURSOR:
slouken@1895
   526
        {
slouken@3076
   527
            Uint16 hittest;
slouken@1895
   528
slouken@3076
   529
            hittest = LOWORD(lParam);
slouken@3076
   530
            if (hittest == HTCLIENT) {
slouken@3076
   531
                /* FIXME: Implement the cursor API */
slouken@3076
   532
                static HCURSOR cursor;
slouken@3076
   533
                if (!cursor) {
slouken@3076
   534
                    cursor = LoadCursor(NULL, IDC_ARROW);
slouken@3076
   535
                }
slouken@3076
   536
                SetCursor(cursor);
slouken@3076
   537
                return (TRUE);
slouken@3076
   538
            }
slouken@1895
   539
        }
slouken@1895
   540
        break;
slouken@1895
   541
slouken@1895
   542
        /* We are about to get palette focus! */
slouken@1895
   543
    case WM_QUERYNEWPALETTE:
slouken@1895
   544
        {
slouken@1895
   545
            /*
slouken@1895
   546
               WIN_RealizePalette(current_video);
slouken@1895
   547
               return (TRUE);
slouken@1895
   548
             */
slouken@1895
   549
        }
slouken@1895
   550
        break;
slouken@1895
   551
slouken@1895
   552
        /* Another application changed the palette */
slouken@1895
   553
    case WM_PALETTECHANGED:
slouken@1895
   554
        {
slouken@1895
   555
            /*
slouken@1895
   556
               WIN_PaletteChanged(current_video, (HWND) wParam);
slouken@1895
   557
             */
slouken@1895
   558
        }
slouken@1895
   559
        break;
slouken@1895
   560
slouken@1895
   561
        /* We were occluded, refresh our display */
slouken@1895
   562
    case WM_PAINT:
slouken@1895
   563
        {
slouken@1895
   564
            RECT rect;
slouken@1895
   565
            if (GetUpdateRect(hwnd, &rect, FALSE)) {
slouken@1895
   566
                ValidateRect(hwnd, &rect);
slouken@1895
   567
                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_EXPOSED,
slouken@1895
   568
                                    0, 0);
slouken@1895
   569
            }
slouken@1895
   570
        }
slouken@1895
   571
        return (0);
slouken@1895
   572
slouken@1895
   573
        /* We'll do our own drawing, prevent flicker */
slouken@1895
   574
    case WM_ERASEBKGND:
slouken@1895
   575
        {
slouken@1895
   576
        }
slouken@1895
   577
        return (1);
slouken@1895
   578
slouken@1895
   579
    case WM_SYSCOMMAND:
slouken@1895
   580
        {
slouken@1895
   581
            /* Don't start the screensaver or blank the monitor in fullscreen apps */
slouken@1895
   582
            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
slouken@1895
   583
                (wParam & 0xFFF0) == SC_MONITORPOWER) {
slouken@3032
   584
                if (SDL_GetVideoDevice()->suspend_screensaver) {
slouken@1895
   585
                    return (0);
slouken@1895
   586
                }
slouken@1895
   587
            }
slouken@1895
   588
        }
slouken@1895
   589
        break;
slouken@1895
   590
slouken@1895
   591
    case WM_CLOSE:
slouken@1895
   592
        {
slouken@1895
   593
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_CLOSE, 0, 0);
slouken@1895
   594
        }
slouken@1895
   595
        return (0);
slouken@1895
   596
    }
slouken@1895
   597
    return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
slouken@1895
   598
}
slouken@1895
   599
slouken@1895
   600
void
slouken@1895
   601
WIN_PumpEvents(_THIS)
slouken@1895
   602
{
slouken@1895
   603
    MSG msg;
slouken@1895
   604
    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
slouken@1895
   605
        TranslateMessage(&msg);
slouken@1895
   606
        DispatchMessage(&msg);
slouken@1895
   607
    }
slouken@1895
   608
}
slouken@1895
   609
slouken@1895
   610
static int app_registered = 0;
slouken@1895
   611
LPTSTR SDL_Appname = NULL;
slouken@1895
   612
Uint32 SDL_Appstyle = 0;
slouken@1895
   613
HINSTANCE SDL_Instance = NULL;
slouken@1895
   614
slouken@1895
   615
/* Register the class for this application */
slouken@1895
   616
int
slouken@1895
   617
SDL_RegisterApp(char *name, Uint32 style, void *hInst)
slouken@1895
   618
{
slouken@1895
   619
    WNDCLASS class;
slouken@1895
   620
slouken@1895
   621
    /* Only do this once... */
slouken@1895
   622
    if (app_registered) {
slouken@1895
   623
        ++app_registered;
slouken@1895
   624
        return (0);
slouken@1895
   625
    }
slouken@1895
   626
    if (!name && !SDL_Appname) {
slouken@1895
   627
        name = "SDL_app";
slouken@1895
   628
        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
slouken@1895
   629
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
   630
    }
slouken@1895
   631
slouken@1895
   632
    if (name) {
slouken@1895
   633
        SDL_Appname = WIN_UTF8ToString(name);
slouken@1895
   634
        SDL_Appstyle = style;
slouken@1895
   635
        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
slouken@1895
   636
    }
slouken@1895
   637
slouken@1895
   638
    /* Register the application class */
slouken@1895
   639
    class.hCursor = NULL;
slouken@2710
   640
    class.hIcon =
slouken@2710
   641
        LoadImage(SDL_Instance, SDL_Appname, IMAGE_ICON, 0, 0,
slouken@2710
   642
                  LR_DEFAULTCOLOR);
slouken@1895
   643
    class.lpszMenuName = NULL;
slouken@1895
   644
    class.lpszClassName = SDL_Appname;
slouken@1895
   645
    class.hbrBackground = NULL;
slouken@1895
   646
    class.hInstance = SDL_Instance;
slouken@1895
   647
    class.style = SDL_Appstyle;
slouken@1895
   648
    class.lpfnWndProc = DefWindowProc;
slouken@1895
   649
    class.cbWndExtra = 0;
slouken@1895
   650
    class.cbClsExtra = 0;
slouken@1895
   651
    if (!RegisterClass(&class)) {
slouken@1895
   652
        SDL_SetError("Couldn't register application class");
slouken@1895
   653
        return (-1);
slouken@1895
   654
    }
slouken@1895
   655
slouken@1895
   656
    app_registered = 1;
slouken@1895
   657
    return (0);
slouken@1895
   658
}
slouken@1895
   659
slouken@1895
   660
/* Unregisters the windowclass registered in SDL_RegisterApp above. */
slouken@1895
   661
void
slouken@1895
   662
SDL_UnregisterApp()
slouken@1895
   663
{
slouken@1895
   664
    WNDCLASS class;
slouken@1895
   665
slouken@1895
   666
    /* SDL_RegisterApp might not have been called before */
slouken@1895
   667
    if (!app_registered) {
slouken@1895
   668
        return;
slouken@1895
   669
    }
slouken@1895
   670
    --app_registered;
slouken@1895
   671
    if (app_registered == 0) {
slouken@1895
   672
        /* Check for any registered window classes. */
slouken@1895
   673
        if (GetClassInfo(SDL_Instance, SDL_Appname, &class)) {
slouken@1895
   674
            UnregisterClass(SDL_Appname, SDL_Instance);
slouken@1895
   675
        }
slouken@1895
   676
        SDL_free(SDL_Appname);
slouken@1895
   677
        SDL_Appname = NULL;
slouken@1895
   678
    }
slouken@1895
   679
}
slouken@1895
   680
slouken@1895
   681
/* Sets an error message based on GetLastError() */
slouken@1895
   682
void
slouken@1895
   683
WIN_SetError(const char *prefix)
slouken@1895
   684
{
slouken@1895
   685
    TCHAR buffer[1024];
slouken@1895
   686
    char *message;
slouken@2710
   687
    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0,
slouken@2710
   688
                  buffer, SDL_arraysize(buffer), NULL);
slouken@1895
   689
    message = WIN_StringToUTF8(buffer);
slouken@1895
   690
    SDL_SetError("%s%s%s", prefix ? prefix : "", prefix ? ":" : "", message);
slouken@1895
   691
    SDL_free(message);
slouken@1895
   692
}
slouken@1895
   693
slouken@1895
   694
/* vi: set ts=4 sw=4 expandtab: */