qzdoom-gpl/src/win32/hardware.cpp
Randy Heit f2660dc336 - Merged the GC branch back into the trunk, so now it can receive more
testing from the people who download SVN trunk builds.

SVN r795 (trunk)
2008-03-12 02:56:11 +00:00

353 lines
9.1 KiB
C++

/*
** hardware.cpp
** Somewhat OS-independant interface to the screen, mouse, keyboard, and stick
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#define USE_WINDOWS_DWORD
#include "hardware.h"
#include "win32iface.h"
#include "i_video.h"
#include "i_system.h"
#include "c_console.h"
#include "c_cvars.h"
#include "c_dispatch.h"
#include "v_text.h"
EXTERN_CVAR (Bool, ticker)
EXTERN_CVAR (Bool, fullscreen)
EXTERN_CVAR (Float, vid_winscale)
CVAR(Int, win_x, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
CVAR(Int, win_y, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
extern HWND Window;
bool ForceWindowed;
IVideo *Video;
void I_ShutdownGraphics ()
{
if (screen)
{
screen->ObjectFlags |= OF_YesReallyDelete;
delete screen;
screen = NULL;
}
if (Video)
delete Video, Video = NULL;
}
void I_InitGraphics ()
{
UCVarValue val;
// If the focus window is destroyed, it doesn't go back to the active window.
// (e.g. because the net pane was up, and a button on it had focus)
if (GetFocus() == NULL && GetActiveWindow() == Window)
{
// Make sure it's in the foreground and focused. (It probably is
// already foregrounded but may not be focused.)
SetForegroundWindow(Window);
SetFocus(Window);
// Note that when I start a 2-player game on the same machine, the
// window for the game that isn't focused, active, or foregrounded
// still receives a WM_ACTIVATEAPP message telling it that it's the
// active window. The window that is really the active window does
// not receive a WM_ACTIVATEAPP message, so both games think they
// are the active app. Huh?
}
val.Bool = !!Args->CheckParm ("-devparm");
ticker.SetGenericRepDefault (val, CVAR_Bool);
Video = new Win32Video (0);
if (Video == NULL)
I_FatalError ("Failed to initialize display");
atterm (I_ShutdownGraphics);
Video->SetWindowedScale (vid_winscale);
}
/** Remaining code is common to Win32 and Linux **/
// VIDEO WRAPPERS ---------------------------------------------------------
DFrameBuffer *I_SetMode (int &width, int &height, DFrameBuffer *old)
{
bool fs = false;
switch (Video->GetDisplayType ())
{
case DISPLAY_WindowOnly:
fs = false;
break;
case DISPLAY_FullscreenOnly:
fs = true;
break;
case DISPLAY_Both:
if (ForceWindowed)
{
fs = false;
}
else
{
fs = fullscreen;
}
break;
}
DFrameBuffer *res = Video->CreateFrameBuffer (width, height, fs, old);
/* Right now, CreateFrameBuffer cannot return NULL
if (res == NULL)
{
I_FatalError ("Mode %dx%d is unavailable\n", width, height);
}
*/
return res;
}
bool I_CheckResolution (int width, int height, int bits)
{
int twidth, theight;
Video->StartModeIterator (bits, screen ? screen->IsFullscreen() : fullscreen);
while (Video->NextMode (&twidth, &theight, NULL))
{
if (width == twidth && height == theight)
return true;
}
return false;
}
void I_ClosestResolution (int *width, int *height, int bits)
{
int twidth, theight;
int cwidth = 0, cheight = 0;
int iteration;
DWORD closest = 4294967295u;
for (iteration = 0; iteration < 2; iteration++)
{
Video->StartModeIterator (bits, screen ? screen->IsFullscreen() : fullscreen);
while (Video->NextMode (&twidth, &theight, NULL))
{
if (twidth == *width && theight == *height)
return;
if (iteration == 0 && (twidth < *width || theight < *height))
continue;
DWORD dist = (twidth - *width) * (twidth - *width)
+ (theight - *height) * (theight - *height);
if (dist < closest)
{
closest = dist;
cwidth = twidth;
cheight = theight;
}
}
if (closest != 4294967295u)
{
*width = cwidth;
*height = cheight;
return;
}
}
}
static void GetCenteredPos (int &winx, int &winy, int &winw, int &winh, int &scrwidth, int &scrheight)
{
DEVMODE displaysettings;
RECT rect;
int cx, cy;
memset (&displaysettings, 0, sizeof(displaysettings));
displaysettings.dmSize = sizeof(displaysettings);
EnumDisplaySettings (NULL, ENUM_CURRENT_SETTINGS, &displaysettings);
scrwidth = (int)displaysettings.dmPelsWidth;
scrheight = (int)displaysettings.dmPelsHeight;
GetWindowRect (Window, &rect);
cx = scrwidth / 2;
cy = scrheight / 2;
winx = cx - (winw = rect.right - rect.left) / 2;
winy = cy - (winh = rect.bottom - rect.top) / 2;
}
static void KeepWindowOnScreen (int &winx, int &winy, int winw, int winh, int scrwidth, int scrheight)
{
// If the window is too large to fit entirely on the screen, at least
// keep its upperleft corner visible.
if (winx + winw > scrwidth)
{
winx = scrwidth - winw;
}
if (winx < 0)
{
winx = 0;
}
if (winy + winh > scrheight)
{
winy = scrheight - winh;
}
if (winy < 0)
{
winy = 0;
}
}
void I_SaveWindowedPos ()
{
// Don't save if we were run with the -0 option.
if (Args->CheckParm ("-0"))
{
return;
}
// Make sure we only save the window position if it's not fullscreen.
if ((GetWindowLong (Window, GWL_STYLE) & WS_OVERLAPPEDWINDOW) == WS_OVERLAPPEDWINDOW)
{
RECT wrect;
if (GetWindowRect (Window, &wrect))
{
// If (win_x,win_y) specify to center the window, don't change them
// if the window is still centered.
if (win_x < 0 || win_y < 0)
{
int winx, winy, winw, winh, scrwidth, scrheight;
GetCenteredPos (winx, winy, winw, winh, scrwidth, scrheight);
KeepWindowOnScreen (winx, winy, winw, winh, scrwidth, scrheight);
if (win_x < 0 && winx == wrect.left)
{
wrect.left = win_x;
}
if (win_y < 0 && winy == wrect.top)
{
wrect.top = win_y;
}
}
win_x = wrect.left;
win_y = wrect.top;
}
}
}
void I_RestoreWindowedPos ()
{
int winx, winy, winw, winh, scrwidth, scrheight;
GetCenteredPos (winx, winy, winw, winh, scrwidth, scrheight);
// Just move to (0,0) if we were run with the -0 option.
if (Args->CheckParm ("-0"))
{
winx = winy = 0;
}
else
{
if (win_x >= 0)
{
winx = win_x;
}
if (win_y >= 0)
{
winy = win_y;
}
KeepWindowOnScreen (winx, winy, winw, winh, scrwidth, scrheight);
}
MoveWindow (Window, winx, winy, winw, winh, TRUE);
}
extern int NewWidth, NewHeight, NewBits, DisplayBits;
CUSTOM_CVAR (Bool, fullscreen, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG|CVAR_NOINITCALL)
{
NewWidth = screen->GetWidth();
NewHeight = screen->GetHeight();
NewBits = DisplayBits;
setmodeneeded = true;
}
CUSTOM_CVAR (Float, vid_winscale, 1.f, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
{
if (self < 1.f)
{
self = 1.f;
}
else if (Video)
{
Video->SetWindowedScale (self);
NewWidth = screen->GetWidth();
NewHeight = screen->GetHeight();
NewBits = DisplayBits;
setmodeneeded = true;
}
}
CCMD (vid_listmodes)
{
static const char *ratios[5] = { "", " - 16:9", " - 16:10", "", " - 5:4" };
int width, height, bits;
bool letterbox;
if (Video == NULL)
{
return;
}
for (bits = 1; bits <= 32; bits++)
{
Video->StartModeIterator (bits, screen->IsFullscreen());
while (Video->NextMode (&width, &height, &letterbox))
{
bool thisMode = (width == DisplayWidth && height == DisplayHeight && bits == DisplayBits);
int ratio = CheckRatio (width, height);
Printf (thisMode ? PRINT_BOLD : PRINT_HIGH,
"%s%4d x%5d x%3d%s%s\n",
thisMode || !(ratio & 3) ? "" : TEXTCOLOR_GOLD,
width, height, bits,
ratios[ratio],
thisMode || !letterbox ? "" : TEXTCOLOR_BROWN " LB"
);
}
}
}
CCMD (vid_currentmode)
{
Printf ("%dx%dx%d\n", DisplayWidth, DisplayHeight, DisplayBits);
}