doom3-bfg/neo/sys/win32/win_wndproc.cpp
2012-11-26 12:58:24 -06:00

429 lines
12 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#pragma hdrstop
#include "../../idlib/precompiled.h"
#include "win_local.h"
#include "../../renderer/tr_local.h"
#include <Windowsx.h>
LONG WINAPI MainWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
static bool s_alttab_disabled;
extern idCVar r_windowX;
extern idCVar r_windowY;
extern idCVar r_windowWidth;
extern idCVar r_windowHeight;
static void WIN_DisableAltTab() {
if ( s_alttab_disabled || win32.win_allowAltTab.GetBool() ) {
return;
}
if ( !idStr::Icmp( cvarSystem->GetCVarString( "sys_arch" ), "winnt" ) ) {
RegisterHotKey( 0, 0, MOD_ALT, VK_TAB );
} else {
BOOL old;
SystemParametersInfo( SPI_SCREENSAVERRUNNING, 1, &old, 0 );
}
s_alttab_disabled = true;
}
static void WIN_EnableAltTab() {
if ( !s_alttab_disabled || win32.win_allowAltTab.GetBool() ) {
return;
}
if ( !idStr::Icmp( cvarSystem->GetCVarString( "sys_arch" ), "winnt" ) ) {
UnregisterHotKey( 0, 0 );
} else {
BOOL old;
SystemParametersInfo( SPI_SCREENSAVERRUNNING, 0, &old, 0 );
}
s_alttab_disabled = false;
}
void WIN_Sizing(WORD side, RECT *rect)
{
if ( !R_IsInitialized() || renderSystem->GetWidth() <= 0 || renderSystem->GetHeight() <= 0 ) {
return;
}
// restrict to a standard aspect ratio
int width = rect->right - rect->left;
int height = rect->bottom - rect->top;
// Adjust width/height for window decoration
RECT decoRect = { 0, 0, 0, 0 };
AdjustWindowRect( &decoRect, WINDOW_STYLE|WS_SYSMENU, FALSE );
int decoWidth = decoRect.right - decoRect.left;
int decoHeight = decoRect.bottom - decoRect.top;
width -= decoWidth;
height -= decoHeight;
// Clamp to a minimum size
if ( width < SCREEN_WIDTH / 4 ) {
width = SCREEN_WIDTH / 4;
}
if ( height < SCREEN_HEIGHT / 4 ) {
height = SCREEN_HEIGHT / 4;
}
const int minWidth = height * 4 / 3;
const int maxHeight = width * 3 / 4;
const int maxWidth = height * 16 / 9;
const int minHeight = width * 9 / 16;
// Set the new size
switch ( side ) {
case WMSZ_LEFT:
rect->left = rect->right - width - decoWidth;
rect->bottom = rect->top + idMath::ClampInt( minHeight, maxHeight, height ) + decoHeight;
break;
case WMSZ_RIGHT:
rect->right = rect->left + width + decoWidth;
rect->bottom = rect->top + idMath::ClampInt( minHeight, maxHeight, height ) + decoHeight;
break;
case WMSZ_BOTTOM:
case WMSZ_BOTTOMRIGHT:
rect->bottom = rect->top + height + decoHeight;
rect->right = rect->left + idMath::ClampInt( minWidth, maxWidth, width ) + decoWidth;
break;
case WMSZ_TOP:
case WMSZ_TOPRIGHT:
rect->top = rect->bottom - height - decoHeight;
rect->right = rect->left + idMath::ClampInt( minWidth, maxWidth, width ) + decoWidth;
break;
case WMSZ_BOTTOMLEFT:
rect->bottom = rect->top + height + decoHeight;
rect->left = rect->right - idMath::ClampInt( minWidth, maxWidth, width ) - decoWidth;
break;
case WMSZ_TOPLEFT:
rect->top = rect->bottom - height - decoHeight;
rect->left = rect->right - idMath::ClampInt( minWidth, maxWidth, width ) - decoWidth;
break;
}
}
/*
====================
MainWndProc
main window procedure
====================
*/
LONG WINAPI MainWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) {
int key;
switch( uMsg ) {
case WM_WINDOWPOSCHANGED:
if (R_IsInitialized()) {
RECT rect;
if (::GetClientRect(win32.hWnd, &rect)) {
if ( rect.right > rect.left && rect.bottom > rect.top ) {
glConfig.nativeScreenWidth = rect.right - rect.left;
glConfig.nativeScreenHeight = rect.bottom - rect.top;
// save the window size in cvars if we aren't fullscreen
int style = GetWindowLong( hWnd, GWL_STYLE );
if ( ( style & WS_POPUP ) == 0 ) {
r_windowWidth.SetInteger( glConfig.nativeScreenWidth );
r_windowHeight.SetInteger( glConfig.nativeScreenHeight );
}
}
}
}
break;
case WM_MOVE: {
int xPos, yPos;
RECT r;
// save the window origin in cvars if we aren't fullscreen
int style = GetWindowLong( hWnd, GWL_STYLE );
if ( ( style & WS_POPUP ) == 0 ) {
xPos = (short) LOWORD(lParam); // horizontal position
yPos = (short) HIWORD(lParam); // vertical position
r.left = 0;
r.top = 0;
r.right = 1;
r.bottom = 1;
AdjustWindowRect( &r, style, FALSE );
r_windowX.SetInteger( xPos + r.left );
r_windowY.SetInteger( yPos + r.top );
}
break;
}
case WM_CREATE:
win32.hWnd = hWnd;
if ( win32.cdsFullscreen ) {
WIN_DisableAltTab();
} else {
WIN_EnableAltTab();
}
// do the OpenGL setup
void GLW_WM_CREATE( HWND hWnd );
GLW_WM_CREATE( hWnd );
break;
case WM_DESTROY:
// let sound and input know about this?
win32.hWnd = NULL;
if ( win32.cdsFullscreen ) {
WIN_EnableAltTab();
}
break;
case WM_CLOSE:
soundSystem->SetMute( true );
cmdSystem->BufferCommandText( CMD_EXEC_APPEND, "quit\n" );
break;
case WM_ACTIVATE:
// if we got here because of an alt-tab or maximize,
// we should activate immediately. If we are here because
// the mouse was clicked on a title bar or drag control,
// don't activate until the mouse button is released
{
int fActive, fMinimized;
fActive = LOWORD(wParam);
fMinimized = (BOOL) HIWORD(wParam);
win32.activeApp = (fActive != WA_INACTIVE);
if ( win32.activeApp ) {
idKeyInput::ClearStates();
Sys_GrabMouseCursor( true );
if ( common->IsInitialized() ) {
SetCursor( NULL );
}
}
if ( fActive == WA_INACTIVE ) {
win32.movingWindow = false;
if ( common->IsInitialized() ) {
SetCursor( LoadCursor( 0, IDC_ARROW ) );
}
}
// start playing the game sound world
soundSystem->SetMute( !win32.activeApp );
// we do not actually grab or release the mouse here,
// that will be done next time through the main loop
}
break;
case WM_TIMER: {
if ( win32.win_timerUpdate.GetBool() ) {
common->Frame();
}
break;
}
case WM_SYSCOMMAND:
if ( wParam == SC_SCREENSAVE || wParam == SC_KEYMENU ) {
return 0;
}
break;
case WM_SYSKEYDOWN:
if ( wParam == 13 ) { // alt-enter toggles full-screen
cvarSystem->SetCVarBool( "r_fullscreen", !renderSystem->IsFullScreen() );
cmdSystem->BufferCommandText( CMD_EXEC_APPEND, "vid_restart\n" );
return 0;
}
// fall through for other keys
case WM_KEYDOWN:
key = ( ( lParam >> 16 ) & 0xFF ) | ( ( ( lParam >> 24 ) & 1 ) << 7 );
if ( key == K_LCTRL || key == K_LALT || key == K_RCTRL || key == K_RALT ) {
// let direct-input handle this because windows sends Alt-Gr
// as two events (ctrl then alt)
break;
}
// D
if ( key == K_NUMLOCK ) {
key = K_PAUSE;
} else if ( key == K_PAUSE ) {
key = K_NUMLOCK;
}
Sys_QueEvent( SE_KEY, key, true, 0, NULL, 0 );
break;
case WM_SYSKEYUP:
case WM_KEYUP:
key = ( ( lParam >> 16 ) & 0xFF ) | ( ( ( lParam >> 24 ) & 1 ) << 7 );
if ( key == K_PRINTSCREEN ) {
// don't queue printscreen keys. Since windows doesn't send us key
// down events for this, we handle queueing them with DirectInput
break;
} else if ( key == K_LCTRL || key == K_LALT || key == K_RCTRL || key == K_RALT ) {
// let direct-input handle this because windows sends Alt-Gr
// as two events (ctrl then alt)
break;
}
Sys_QueEvent( SE_KEY, key, false, 0, NULL, 0 );
break;
case WM_CHAR:
Sys_QueEvent( SE_CHAR, wParam, 0, 0, NULL, 0 );
break;
case WM_NCLBUTTONDOWN:
// win32.movingWindow = true;
break;
case WM_ENTERSIZEMOVE:
win32.movingWindow = true;
break;
case WM_EXITSIZEMOVE:
win32.movingWindow = false;
break;
case WM_SIZING:
WIN_Sizing(wParam, (RECT *)lParam);
break;
case WM_MOUSEMOVE: {
if ( !common->IsInitialized() ) {
break;
}
const bool isShellActive = ( game && ( game->Shell_IsActive() || game->IsPDAOpen() ) );
const bool isConsoleActive = console->Active();
if ( win32.activeApp ) {
if ( isShellActive ) {
// If the shell is active, it will display its own cursor.
SetCursor( NULL );
} else if ( isConsoleActive ) {
// The console is active but the shell is not.
// Show the Windows cursor.
SetCursor( LoadCursor( 0, IDC_ARROW ) );
} else {
// The shell not active and neither is the console.
// This is normal gameplay, hide the cursor.
SetCursor( NULL );
}
} else {
if ( !isShellActive ) {
// Always show the cursor when the window is in the background
SetCursor( LoadCursor( 0, IDC_ARROW ) );
} else {
SetCursor( NULL );
}
}
const int x = GET_X_LPARAM( lParam );
const int y = GET_Y_LPARAM( lParam );
// Generate an event
Sys_QueEvent( SE_MOUSE_ABSOLUTE, x, y, 0, NULL, 0 );
// Get a mouse leave message
TRACKMOUSEEVENT tme = {
sizeof( TRACKMOUSEEVENT ),
TME_LEAVE,
hWnd,
0
};
TrackMouseEvent( &tme );
return 0;
}
case WM_MOUSELEAVE: {
Sys_QueEvent( SE_MOUSE_LEAVE, 0, 0, 0, NULL, 0 );
return 0;
}
case WM_LBUTTONDOWN: {
Sys_QueEvent( SE_KEY, K_MOUSE1, 1, 0, NULL, 0 );
return 0;
}
case WM_LBUTTONUP: {
Sys_QueEvent( SE_KEY, K_MOUSE1, 0, 0, NULL, 0 );
return 0;
}
case WM_RBUTTONDOWN: {
Sys_QueEvent( SE_KEY, K_MOUSE2, 1, 0, NULL, 0 );
return 0;
}
case WM_RBUTTONUP: {
Sys_QueEvent( SE_KEY, K_MOUSE2, 0, 0, NULL, 0 );
return 0;
}
case WM_MBUTTONDOWN: {
Sys_QueEvent( SE_KEY, K_MOUSE3, 1, 0, NULL, 0 );
return 0;
}
case WM_MBUTTONUP: {
Sys_QueEvent( SE_KEY, K_MOUSE3, 0, 0, NULL, 0 );
return 0;
}
case WM_XBUTTONDOWN: {
int button = GET_XBUTTON_WPARAM( wParam );
if ( button == 1 ) {
Sys_QueEvent( SE_KEY, K_MOUSE4, 1, 0, NULL, 0 );
} else if ( button == 2 ) {
Sys_QueEvent( SE_KEY, K_MOUSE5, 1, 0, NULL, 0 );
}
return 0;
}
case WM_XBUTTONUP: {
int button = GET_XBUTTON_WPARAM( wParam );
if ( button == 1 ) {
Sys_QueEvent( SE_KEY, K_MOUSE4, 0, 0, NULL, 0 );
} else if ( button == 2 ) {
Sys_QueEvent( SE_KEY, K_MOUSE5, 0, 0, NULL, 0 );
}
return 0;
}
case WM_MOUSEWHEEL: {
int delta = GET_WHEEL_DELTA_WPARAM( wParam ) / WHEEL_DELTA;
int key = delta < 0 ? K_MWHEELDOWN : K_MWHEELUP;
delta = abs( delta );
while( delta-- > 0 ) {
Sys_QueEvent( SE_KEY, key, true, 0, NULL, 0 );
Sys_QueEvent( SE_KEY, key, false, 0, NULL, 0 );
}
break;
}
}
return DefWindowProc( hWnd, uMsg, wParam, lParam );
}