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xserver/hw/xwin/winmultiwindowwndproc.c

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/*
*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
*
*Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
*"Software"), to deal in the Software without restriction, including
*without limitation the rights to use, copy, modify, merge, publish,
*distribute, sublicense, and/or sell copies of the Software, and to
*permit persons to whom the Software is furnished to do so, subject to
*the following conditions:
*
*The above copyright notice and this permission notice shall be
*included in all copies or substantial portions of the Software.
*
*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*Except as contained in this notice, the name of the XFree86 Project
*shall not be used in advertising or otherwise to promote the sale, use
*or other dealings in this Software without prior written authorization
*from the XFree86 Project.
*
* Authors: Kensuke Matsuzaki
* Earle F. Philhower, III
* Harold L Hunt II
*/
/* $XFree86: xc/programs/Xserver/hw/xwin/winmultiwindowwndproc.c,v 1.2 2003/10/02 13:30:11 eich Exp $ */
#include "win.h"
#include "dixevents.h"
#include "winmultiwindowclass.h"
#include "winprefs.h"
/*
* External global variables
*/
extern Bool g_fCursor;
/*
* Global variables
*/
HICON g_hiconX = NULL;
/*
* Local globals
*/
static UINT_PTR g_uipMousePollingTimerID = 0;
/*
* Constant defines
*/
#define MOUSE_POLLING_INTERVAL 500
#define WIN_MULTIWINDOW_SHAPE YES
/*
* ConstrainSize - Taken from TWM sources - Respects hints for sizing
*/
#define makemult(a,b) ((b==1) ? (a) : (((int)((a)/(b))) * (b)) )
static void
ConstrainSize (WinXSizeHints hints, int *widthp, int *heightp)
{
int minWidth, minHeight, maxWidth, maxHeight, xinc, yinc, delta;
int baseWidth, baseHeight;
int dwidth = *widthp, dheight = *heightp;
if (hints.flags & PMinSize)
{
minWidth = hints.min_width;
minHeight = hints.min_height;
}
else if (hints.flags & PBaseSize)
{
minWidth = hints.base_width;
minHeight = hints.base_height;
}
else
minWidth = minHeight = 1;
if (hints.flags & PBaseSize)
{
baseWidth = hints.base_width;
baseHeight = hints.base_height;
}
else if (hints.flags & PMinSize)
{
baseWidth = hints.min_width;
baseHeight = hints.min_height;
}
else
baseWidth = baseHeight = 0;
if (hints.flags & PMaxSize)
{
maxWidth = hints.max_width;
maxHeight = hints.max_height;
}
else
{
maxWidth = MAXINT;
maxHeight = MAXINT;
}
if (hints.flags & PResizeInc)
{
xinc = hints.width_inc;
yinc = hints.height_inc;
}
else
xinc = yinc = 1;
/*
* First, clamp to min and max values
*/
if (dwidth < minWidth)
dwidth = minWidth;
if (dheight < minHeight)
dheight = minHeight;
if (dwidth > maxWidth)
dwidth = maxWidth;
if (dheight > maxHeight)
dheight = maxHeight;
/*
* Second, fit to base + N * inc
*/
dwidth = ((dwidth - baseWidth) / xinc * xinc) + baseWidth;
dheight = ((dheight - baseHeight) / yinc * yinc) + baseHeight;
/*
* Third, adjust for aspect ratio
*/
/*
* The math looks like this:
*
* minAspectX dwidth maxAspectX
* ---------- <= ------- <= ----------
* minAspectY dheight maxAspectY
*
* If that is multiplied out, then the width and height are
* invalid in the following situations:
*
* minAspectX * dheight > minAspectY * dwidth
* maxAspectX * dheight < maxAspectY * dwidth
*
*/
if (hints.flags & PAspect)
{
if (hints.min_aspect.x * dheight > hints.min_aspect.y * dwidth)
{
delta = makemult(hints.min_aspect.x * dheight / hints.min_aspect.y - dwidth, xinc);
if (dwidth + delta <= maxWidth)
dwidth += delta;
else
{
delta = makemult(dheight - dwidth*hints.min_aspect.y/hints.min_aspect.x, yinc);
if (dheight - delta >= minHeight)
dheight -= delta;
}
}
if (hints.max_aspect.x * dheight < hints.max_aspect.y * dwidth)
{
delta = makemult(dwidth * hints.max_aspect.y / hints.max_aspect.x - dheight, yinc);
if (dheight + delta <= maxHeight)
dheight += delta;
else
{
delta = makemult(dwidth - hints.max_aspect.x*dheight/hints.max_aspect.y, xinc);
if (dwidth - delta >= minWidth)
dwidth -= delta;
}
}
}
/* Return computed values */
*widthp = dwidth;
*heightp = dheight;
}
#undef makemult
/*
* ValidateSizing - Ensures size request respects hints
*/
static int
ValidateSizing (HWND hwnd, WindowPtr pWin,
WPARAM wParam, LPARAM lParam)
{
WinXSizeHints sizeHints;
RECT *rect;
int iWidth, iHeight, iTopBorder;
POINT pt;
/* Invalid input checking */
if (pWin==NULL || lParam==0)
return FALSE;
/* No size hints, no checking */
if (!winMultiWindowGetWMNormalHints (pWin, &sizeHints))
return FALSE;
/* Avoid divide-by-zero */
if (sizeHints.flags & PResizeInc)
{
if (sizeHints.width_inc == 0) sizeHints.width_inc = 1;
if (sizeHints.height_inc == 0) sizeHints.height_inc = 1;
}
rect = (RECT*)lParam;
iWidth = rect->right - rect->left;
iHeight = rect->bottom - rect->top;
/* Get title bar height, there must be an easier way?! */
pt.x = pt.y = 0;
ClientToScreen(hwnd, &pt);
iTopBorder = pt.y - rect->top;
/* Now remove size of any borders */
iWidth -= 2 * GetSystemMetrics(SM_CXSIZEFRAME);
iHeight -= GetSystemMetrics(SM_CYSIZEFRAME) + iTopBorder;
/* Constrain the size to legal values */
ConstrainSize (sizeHints, &iWidth, &iHeight);
/* Add back the borders */
iWidth += 2 * GetSystemMetrics(SM_CXSIZEFRAME);
iHeight += GetSystemMetrics(SM_CYSIZEFRAME) + iTopBorder;
/* Adjust size according to where we're dragging from */
switch(wParam) {
case WMSZ_TOP:
case WMSZ_TOPRIGHT:
case WMSZ_BOTTOM:
case WMSZ_BOTTOMRIGHT:
case WMSZ_RIGHT:
rect->right = rect->left + iWidth;
break;
default:
rect->left = rect->right - iWidth;
break;
}
switch(wParam) {
case WMSZ_BOTTOM:
case WMSZ_BOTTOMRIGHT:
case WMSZ_BOTTOMLEFT:
case WMSZ_RIGHT:
case WMSZ_LEFT:
rect->bottom = rect->top + iHeight;
break;
default:
rect->top = rect->bottom - iHeight;
break;
}
return TRUE;
}
/*
* winTopLevelWindowProc - Window procedure for all top-level Windows windows.
*/
LRESULT CALLBACK
winTopLevelWindowProc (HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
POINT ptMouse;
HDC hdcUpdate;
PAINTSTRUCT ps;
WindowPtr pWin = NULL;
winPrivWinPtr pWinPriv = NULL;
ScreenPtr s_pScreen = NULL;
winPrivScreenPtr s_pScreenPriv = NULL;
winScreenInfo *s_pScreenInfo = NULL;
HWND hwndScreen = NULL;
DrawablePtr pDraw = NULL;
int iX, iY, iWidth, iHeight, iBorder;
winWMMessageRec wmMsg;
Bool fWMMsgInitialized = FALSE;
static Bool s_fTracking = FALSE;
/* Check if the Windows window property for our X window pointer is valid */
if ((pWin = GetProp (hwnd, WIN_WINDOW_PROP)) != NULL)
{
/* Our X window pointer is valid */
/* Get pointers to the drawable and the screen */
pDraw = &pWin->drawable;
s_pScreen = pWin->drawable.pScreen;
/* Get a pointer to our window privates */
pWinPriv = winGetWindowPriv(pWin);
/* Get pointers to our screen privates and screen info */
s_pScreenPriv = pWinPriv->pScreenPriv;
s_pScreenInfo = s_pScreenPriv->pScreenInfo;
/* Get the handle for our screen-sized window */
hwndScreen = s_pScreenPriv->hwndScreen;
/* */
wmMsg.msg = 0;
wmMsg.hwndWindow = hwnd;
wmMsg.iWindow = (Window)GetProp (hwnd, WIN_WID_PROP);
wmMsg.iX = pWinPriv->iX;
wmMsg.iY = pWinPriv->iY;
wmMsg.iWidth = pWinPriv->iWidth;
wmMsg.iHeight = pWinPriv->iHeight;
fWMMsgInitialized = TRUE;
#if 0
/*
* Print some debugging information
*/
ErrorF ("hWnd %08X\n", hwnd);
ErrorF ("pWin %08X\n", pWin);
ErrorF ("pDraw %08X\n", pDraw);
ErrorF ("\ttype %08X\n", pWin->drawable.type);
ErrorF ("\tclass %08X\n", pWin->drawable.class);
ErrorF ("\tdepth %08X\n", pWin->drawable.depth);
ErrorF ("\tbitsPerPixel %08X\n", pWin->drawable.bitsPerPixel);
ErrorF ("\tid %08X\n", pWin->drawable.id);
ErrorF ("\tx %08X\n", pWin->drawable.x);
ErrorF ("\ty %08X\n", pWin->drawable.y);
ErrorF ("\twidth %08X\n", pWin->drawable.width);
ErrorF ("\thenght %08X\n", pWin->drawable.height);
ErrorF ("\tpScreen %08X\n", pWin->drawable.pScreen);
ErrorF ("\tserialNumber %08X\n", pWin->drawable.serialNumber);
ErrorF ("g_iWindowPrivateIndex %d\n", g_iWindowPrivateIndex);
ErrorF ("pWinPriv %08X\n", pWinPriv);
ErrorF ("s_pScreenPriv %08X\n", s_pScreenPriv);
ErrorF ("s_pScreenInfo %08X\n", s_pScreenInfo);
ErrorF ("hwndScreen %08X\n", hwndScreen);
#endif
}
/* Branch on message type */
switch (message)
{
case WM_CREATE:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_CREATE\n");
#endif
/* */
SetProp (hwnd,
WIN_WINDOW_PROP,
(HANDLE)((LPCREATESTRUCT) lParam)->lpCreateParams);
/* */
SetProp (hwnd,
WIN_WID_PROP,
(HANDLE)winGetWindowID (((LPCREATESTRUCT) lParam)->lpCreateParams));
return 0;
case WM_INIT_SYS_MENU:
/*
* Add whatever the setup file wants to for this window
*/
SetupSysMenu ((unsigned long)hwnd);
return 0;
case WM_SYSCOMMAND:
/*
* Any window menu items go through here
*/
HandleCustomWM_COMMAND ((unsigned long)hwnd, LOWORD(wParam));
break;
case WM_INITMENU:
/* Checks/Unchecks any menu items before they are displayed */
HandleCustomWM_INITMENU ((unsigned long)hwnd, wParam);
break;
case WM_PAINT:
/* Only paint if our window handle is valid */
if (hwndScreen == NULL)
break;
/* BeginPaint gives us an hdc that clips to the invalidated region */
hdcUpdate = BeginPaint (hwnd, &ps);
/* Get the position and dimensions of the window */
iBorder = wBorderWidth (pWin);
iX = pWin->drawable.x;
iY = pWin->drawable.y;
iWidth = pWin->drawable.width;
iHeight = pWin->drawable.height;
/* Try to copy from the shadow buffer */
if (!BitBlt (hdcUpdate,
0, 0,
iWidth, iHeight,
s_pScreenPriv->hdcShadow,
iX, iY,
SRCCOPY))
{
LPVOID lpMsgBuf;
/* Display a fancy error message */
FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError (),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0, NULL);
ErrorF ("winTopLevelWindowProc - BitBlt failed: %s\n",
(LPSTR)lpMsgBuf);
LocalFree (lpMsgBuf);
}
/* EndPaint frees the DC */
EndPaint (hwndScreen, &ps);
return 0;
case WM_MOUSEMOVE:
/* Unpack the client area mouse coordinates */
ptMouse.x = GET_X_LPARAM(lParam);
ptMouse.y = GET_Y_LPARAM(lParam);
/* Translate the client area mouse coordinates to screen coordinates */
ClientToScreen (hwnd, &ptMouse);
/* Screen Coords from (-X, -Y) -> Root Window (0, 0) */
ptMouse.x -= GetSystemMetrics (SM_XVIRTUALSCREEN);
ptMouse.y -= GetSystemMetrics (SM_YVIRTUALSCREEN);
/* We can't do anything without privates */
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
/* Has the mouse pointer crossed screens? */
if (s_pScreen != miPointerCurrentScreen ())
miPointerSetNewScreen (s_pScreenInfo->dwScreen,
ptMouse.x - s_pScreenInfo->dwXOffset,
ptMouse.y - s_pScreenInfo->dwYOffset);
/* Are we tracking yet? */
if (!s_fTracking)
{
TRACKMOUSEEVENT tme;
/* Setup data structure */
ZeroMemory (&tme, sizeof (tme));
tme.cbSize = sizeof (tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = hwnd;
/* Call the tracking function */
if (!(*g_fpTrackMouseEvent) (&tme))
ErrorF ("winTopLevelWindowProc - _TrackMouseEvent failed\n");
/* Flag that we are tracking now */
s_fTracking = TRUE;
}
/* Hide or show the Windows mouse cursor */
if (g_fCursor)
{
/* Hide Windows cursor */
g_fCursor = FALSE;
ShowCursor (FALSE);
}
/* Kill the timer used to poll mouse events */
if (g_uipMousePollingTimerID != 0)
{
KillTimer (s_pScreenPriv->hwndScreen, WIN_POLLING_MOUSE_TIMER_ID);
g_uipMousePollingTimerID = 0;
}
/* Deliver absolute cursor position to X Server */
miPointerAbsoluteCursor (ptMouse.x - s_pScreenInfo->dwXOffset,
ptMouse.y - s_pScreenInfo->dwYOffset,
g_c32LastInputEventTime = GetTickCount ());
return 0;
case WM_NCMOUSEMOVE:
/*
* We break instead of returning 0 since we need to call
* DefWindowProc to get the mouse cursor changes
* and min/max/close button highlighting in Windows XP.
* The Platform SDK says that you should return 0 if you
* process this message, but it fails to mention that you
* will give up any default functionality if you do return 0.
*/
/* We can't do anything without privates */
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
/* Non-client mouse movement, show Windows cursor */
if (!g_fCursor)
{
g_fCursor = TRUE;
ShowCursor (TRUE);
}
/*
* Timer to poll mouse events. This is needed to make
* programs like xeyes follow the mouse properly.
*/
if (g_uipMousePollingTimerID == 0)
g_uipMousePollingTimerID = SetTimer (s_pScreenPriv->hwndScreen,
WIN_POLLING_MOUSE_TIMER_ID,
MOUSE_POLLING_INTERVAL,
NULL);
break;
case WM_MOUSELEAVE:
/* Mouse has left our client area */
/* Flag that we are no longer tracking */
s_fTracking = FALSE;
/* Show the mouse cursor, if necessary */
if (!g_fCursor)
{
g_fCursor = TRUE;
ShowCursor (TRUE);
}
/*
* Timer to poll mouse events. This is needed to make
* programs like xeyes follow the mouse properly.
*/
if (g_uipMousePollingTimerID == 0)
g_uipMousePollingTimerID = SetTimer (s_pScreenPriv->hwndScreen,
WIN_POLLING_MOUSE_TIMER_ID,
MOUSE_POLLING_INTERVAL,
NULL);
return 0;
case WM_LBUTTONDBLCLK:
case WM_LBUTTONDOWN:
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
return winMouseButtonsHandle (s_pScreen, ButtonPress, Button1, wParam);
case WM_LBUTTONUP:
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
return winMouseButtonsHandle (s_pScreen, ButtonRelease, Button1, wParam);
case WM_MBUTTONDBLCLK:
case WM_MBUTTONDOWN:
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
return winMouseButtonsHandle (s_pScreen, ButtonPress, Button2, wParam);
case WM_MBUTTONUP:
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
return winMouseButtonsHandle (s_pScreen, ButtonRelease, Button2, wParam);
case WM_RBUTTONDBLCLK:
case WM_RBUTTONDOWN:
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
return winMouseButtonsHandle (s_pScreen, ButtonPress, Button3, wParam);
case WM_RBUTTONUP:
if (s_pScreenPriv == NULL || s_pScreenInfo->fIgnoreInput)
break;
return winMouseButtonsHandle (s_pScreen, ButtonRelease, Button3, wParam);
case WM_MOUSEWHEEL:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_MOUSEWHEEL\n");
#endif
/* Pass the message to the root window */
SendMessage (hwndScreen, message, wParam, lParam);
return 0;
case WM_KILLFOCUS:
/* Pop any pressed keys since we are losing keyboard focus */
winKeybdReleaseKeys ();
return 0;
case WM_SYSDEADCHAR:
case WM_DEADCHAR:
/*
* NOTE: We do nothing with WM_*CHAR messages,
* nor does the root window, so we can just toss these messages.
*/
return 0;
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_*KEYDOWN\n");
#endif
/*
* Don't pass Alt-F4 key combo to root window,
* let Windows translate to WM_CLOSE and close this top-level window.
*
* NOTE: We purposely don't check the fUseWinKillKey setting because
* it should only apply to the key handling for the root window,
* not for top-level window-manager windows.
*
* ALSO NOTE: We do pass Ctrl-Alt-Backspace to the root window
* because that is a key combo that no X app should be expecting to
* receive, since it has historically been used to shutdown the X server.
* Passing Ctrl-Alt-Backspace to the root window preserves that
* behavior, assuming that -unixkill has been passed as a parameter.
*/
if (wParam == VK_F4 && (GetKeyState (VK_MENU) & 0x8000))
break;
/* Pass the message to the root window */
SendMessage (hwndScreen, message, wParam, lParam);
return 0;
case WM_SYSKEYUP:
case WM_KEYUP:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_*KEYUP\n");
#endif
/* Pass the message to the root window */
SendMessage (hwndScreen, message, wParam, lParam);
return 0;
case WM_HOTKEY:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_HOTKEY\n");
#endif
/* Pass the message to the root window */
SendMessage (hwndScreen, message, wParam, lParam);
return 0;
case WM_ACTIVATE:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_ACTIVATE\n");
#endif
/* Pass the message to the root window */
SendMessage (hwndScreen, message, wParam, lParam);
if (s_pScreenPriv != NULL)
s_pScreenPriv->fWindowOrderChanged = TRUE;
if (LOWORD(wParam) != WA_INACTIVE)
{
/* Tell our Window Manager thread to activate the window */
wmMsg.msg = WM_WM_ACTIVATE;
if (fWMMsgInitialized)
winSendMessageToWM (s_pScreenPriv->pWMInfo, &wmMsg);
}
return 0;
case WM_ACTIVATEAPP:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_ACTIVATEAPP\n");
#endif
/* Pass the message to the root window */
SendMessage (hwndScreen, message, wParam, lParam);
return 0;
case WM_CLOSE:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_CLOSE\n");
#endif
/* Branch on if the window was killed in X already */
if (pWinPriv->fXKilled)
{
/* Window was killed, go ahead and destroy the window */
DestroyWindow (hwnd);
}
else
{
/* Tell our Window Manager thread to kill the window */
wmMsg.msg = WM_WM_KILL;
if (fWMMsgInitialized)
winSendMessageToWM (s_pScreenPriv->pWMInfo, &wmMsg);
}
return 0;
case WM_DESTROY:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_DESTROY\n");
#endif
/* Branch on if the window was killed in X already */
if (pWinPriv && !pWinPriv->fXKilled)
{
ErrorF ("winTopLevelWindowProc - WM_DESTROY - WM_WM_KILL\n");
/* Tell our Window Manager thread to kill the window */
wmMsg.msg = WM_WM_KILL;
if (fWMMsgInitialized)
winSendMessageToWM (s_pScreenPriv->pWMInfo, &wmMsg);
}
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_DESTROY\n");
#endif
break;
case WM_MOVE:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_MOVE - %d ms\n", GetTickCount ());
#endif
/* Bail if Windows window is not actually moving */
if (pWinPriv->iX == (short) LOWORD(lParam)
&& pWinPriv->iY == (short) HIWORD(lParam))
break;
/* Also bail if we're maximizing, we'll do the whole thing in WM_SIZE */
{
WINDOWPLACEMENT windPlace;
windPlace.length = sizeof (WINDOWPLACEMENT);
/* Get current window placement */
GetWindowPlacement (hwnd, &windPlace);
/* Bail if maximizing */
if (windPlace.showCmd == SW_MAXIMIZE
|| windPlace.showCmd == SW_SHOWMAXIMIZED)
break;
}
/* Get new position */
pWinPriv->iX = (short) LOWORD(lParam);
pWinPriv->iY = (short) HIWORD(lParam);
#if CYGMULTIWINDOW_DEBUG
ErrorF ("\t(%d, %d)\n", pWinPriv->iX, pWinPriv->iY);
#endif
winMoveXWindow (pWin,
(LOWORD(lParam) - wBorderWidth (pWin)
- GetSystemMetrics (SM_XVIRTUALSCREEN)),
(HIWORD(lParam) - wBorderWidth (pWin)
- GetSystemMetrics (SM_YVIRTUALSCREEN)));
return 0;
case WM_SHOWWINDOW:
/* Bail out if the window is being hidden */
if (!wParam)
return 0;
/* Tell X to map the window */
MapWindow (pWin, wClient(pWin));
/* */
if (!pWin->overrideRedirect)
{
DWORD dwExStyle;
DWORD dwStyle;
RECT rcNew;
int iDx, iDy;
/* Flag that this window needs to be made active when clicked */
SetProp (hwnd, WIN_NEEDMANAGE_PROP, (HANDLE) 1);
/* Get the standard and extended window style information */
dwExStyle = GetWindowLongPtr (hwnd, GWL_EXSTYLE);
dwStyle = GetWindowLongPtr (hwnd, GWL_STYLE);
/* */
if (dwExStyle != WS_EX_APPWINDOW)
{
/* Setup a rectangle with the X window position and size */
SetRect (&rcNew,
pWinPriv->iX,
pWinPriv->iY,
pWinPriv->iX + pWinPriv->iWidth,
pWinPriv->iY + pWinPriv->iHeight);
#if 0
ErrorF ("winTopLevelWindowProc - (%d, %d)-(%d, %d)\n",
rcNew.left, rcNew.top,
rcNew.right, rcNew.bottom);
#endif
/* */
AdjustWindowRectEx (&rcNew,
WS_POPUP | WS_SIZEBOX | WS_OVERLAPPEDWINDOW,
FALSE,
WS_EX_APPWINDOW);
/* Calculate position deltas */
iDx = pWinPriv->iX - rcNew.left;
iDy = pWinPriv->iY - rcNew.top;
/* Calculate new rectangle */
rcNew.left += iDx;
rcNew.right += iDx;
rcNew.top += iDy;
rcNew.bottom += iDy;
#if 0
ErrorF ("winTopLevelWindowProc - (%d, %d)-(%d, %d)\n",
rcNew.left, rcNew.top,
rcNew.right, rcNew.bottom);
#endif
/* Set the window extended style flags */
SetWindowLongPtr (hwnd, GWL_EXSTYLE, WS_EX_APPWINDOW);
/* Set the window standard style flags */
SetWindowLongPtr (hwnd, GWL_STYLE,
WS_POPUP | WS_SIZEBOX | WS_OVERLAPPEDWINDOW);
/* Position the Windows window */
SetWindowPos (hwnd, HWND_TOP,
rcNew.left, rcNew.top,
rcNew.right - rcNew.left, rcNew.bottom - rcNew.top,
SWP_NOMOVE | SWP_FRAMECHANGED
| SWP_SHOWWINDOW | SWP_NOACTIVATE);
/* Bring the Windows window to the foreground */
SetForegroundWindow (hwnd);
}
}
/* Setup the Window Manager message */
wmMsg.msg = WM_WM_MAP;
wmMsg.iWidth = pWinPriv->iWidth;
wmMsg.iHeight = pWinPriv->iHeight;
/* Tell our Window Manager thread to map the window */
if (fWMMsgInitialized)
winSendMessageToWM (s_pScreenPriv->pWMInfo, &wmMsg);
if (s_pScreenPriv != NULL)
s_pScreenPriv->fWindowOrderChanged = TRUE;
return 0;
case WM_SIZING:
/* Need to legalize the size according to WM_NORMAL_HINTS */
/* for applications like xterm */
return ValidateSizing (hwnd, pWin, wParam, lParam);
case WM_WINDOWPOSCHANGED:
{
LPWINDOWPOS pwindPos = (LPWINDOWPOS) lParam;
/* Bail if window z order was not changed */
if (pwindPos->flags & SWP_NOZORDER)
break;
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - hwndInsertAfter: %p\n",
pwindPos->hwndInsertAfter);
#endif
/* Pass the message to the root window */
SendMessage (hwndScreen, message, wParam, lParam);
if (s_pScreenPriv != NULL)
s_pScreenPriv->fWindowOrderChanged = TRUE;
}
return 0;
case WM_SIZE:
/* see dix/window.c */
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_SIZE - %d ms\n", GetTickCount ());
#endif
/* Branch on type of resizing occurring */
switch (wParam)
{
case SIZE_MINIMIZED:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("\tSIZE_MINIMIZED\n");
#endif
if (s_pScreenPriv != NULL)
s_pScreenPriv->fWindowOrderChanged = TRUE;
break;
case SIZE_RESTORED:
case SIZE_MAXIMIZED:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("SIZE_RESTORED || SIZE_MAXIMIZED\n");
#endif
/* Break out if nothing to do */
if (pWinPriv->iWidth == (short) LOWORD(lParam)
&& pWinPriv->iHeight == (short) HIWORD(lParam))
break;
/* Get the dimensions of the resized Windows window */
pWinPriv->iWidth = (short) LOWORD(lParam);
pWinPriv->iHeight = (short) HIWORD(lParam);
#if CYGMULTIWINDOW_DEBUG
ErrorF ("\t(%d, %d)\n", pWinPriv->iWidth, pWinPriv->iHeight);
#endif
/*
* If we're maximizing the window has been moved to upper left
* of current screen. Now it is safe for X to know about this.
*/
if (wParam == SIZE_MAXIMIZED)
{
POINT ptHome;
/* Flag that we are being maximized and store info for restore */
pWinPriv->fNeedRestore = TRUE;
pWinPriv->ptRestore.x = pWinPriv->iX;
pWinPriv->ptRestore.y = pWinPriv->iY;
/* Get screen location of window root */
ptHome.x = 0;
ptHome.y = 0;
ClientToScreen (hwnd, &ptHome);
/* Map from screen (-X,-Y) to (0,0) root coords */
winMoveXWindow (pWin,
ptHome.x - wBorderWidth (pWin)
- GetSystemMetrics (SM_XVIRTUALSCREEN),
ptHome.y - wBorderWidth (pWin)
- GetSystemMetrics (SM_YVIRTUALSCREEN));
}
else if (wParam == SIZE_RESTORED && pWinPriv->fNeedRestore)
{
/* If need restore and !maximized then move to cached position */
WINDOWPLACEMENT windPlace;
windPlace.length = sizeof (WINDOWPLACEMENT);
GetWindowPlacement (hwnd, &windPlace);
if (windPlace.showCmd != SW_MAXIMIZE
&& windPlace.showCmd != SW_SHOWMAXIMIZED)
{
pWinPriv->fNeedRestore = FALSE;
winMoveXWindow (pWin,
pWinPriv->ptRestore.x - wBorderWidth (pWin)
- GetSystemMetrics (SM_XVIRTUALSCREEN),
pWinPriv->ptRestore.y - wBorderWidth (pWin)
- GetSystemMetrics (SM_YVIRTUALSCREEN));
}
}
/* Perform the resize and notify the X client */
winResizeXWindow (pWin,
(short) LOWORD(lParam),
(short) HIWORD(lParam));
break;
default:
break;
}
return 0;
case WM_MOUSEACTIVATE:
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_MOUSEACTIVATE\n");
#endif
/* Check if this window needs to be made active when clicked */
if (!GetProp (pWinPriv->hWnd, WIN_NEEDMANAGE_PROP))
{
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winTopLevelWindowProc - WM_MOUSEACTIVATE - "
"MA_NOACTIVATE\n");
#endif
/* */
return MA_NOACTIVATE;
}
break;
default:
break;
}
return DefWindowProc (hwnd, message, wParam, lParam);
}
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