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