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miscutil.c File Reference

#include "precomp.h"

Go to the source code of this file.

Functions

VOID ZapActiveAndFocus (VOID)
VOID SetDialogPointer (PWND pwnd, LONG_PTR lPtr)
BOOL _SetProgmanWindow (PWND pwnd)
BOOL _SetTaskmanWindow (PWND pwnd)
BOOL xxxSetShellWindow (PWND pwnd, PWND pwndBkGnd)
PSBINFO _InitPwSB (PWND pwnd)

Function Documentation

PSBINFO _InitPwSB (  PWND  pwnd  ) 
 

Definition at line 183 of file miscutil.c.

References DesktopAlloc(), DTAG_SBINFO, tagWND::head, tagSBINFO::Horz, NULL, tagSBDATA::posMax, tagWND::pSBInfo, SBINFO, and tagSBINFO::Vert.

Referenced by CalcSBStuff(), xxxDefWindowProc(), xxxEnableWndSBArrows(), xxxSetScrollBar(), and xxxShowScrollBar(). 

00185 {
00186     if (pwnd->pSBInfo) {
00187 
00188         /*
00189          * If memory is already allocated, don't bother to do it again.
00190          */
00191         return pwnd->pSBInfo;
00192     }
00193 
00194     pwnd->pSBInfo = (PSBINFO)DesktopAlloc(pwnd->head.rpdesk,
00195                                           sizeof(SBINFO),
00196                                           DTAG_SBINFO);
00197 
00198     if (pwnd->pSBInfo != NULL) {
00199 
00200         /*
00201          *  rgw[0] = 0;  */  /* LPTR zeros all 6 words
00202          */
00203 
00204         /*
00205          *  rgw[1] = 0;
00206          */
00207 
00208         /*
00209          *  rgw[3] = 0;
00210          */
00211 
00212         /*
00213          *  rgw[4] = 0;
00214          */
00215         pwnd->pSBInfo->Vert.posMax = 100;
00216         pwnd->pSBInfo->Horz.posMax = 100;
00217     }
00218 
00219     return pwnd->pSBInfo;
00220 }

BOOL _SetProgmanWindow (  PWND  pwnd  ) 
 

Definition at line 48 of file miscutil.c.

References BOOL, FALSE, GETDESKINFO, Lock, NULL, PtiCurrent, tagDESKTOPINFO::spwndProgman, and TRUE. 

00048                                   {
00049 
00050     PDESKTOPINFO pdeskinfo = GETDESKINFO(PtiCurrent());
00051 
00052     if (pwnd != NULL) {
00053         // Fail the call if another shell window exists
00054         if (pdeskinfo->spwndProgman != NULL)
00055             return(FALSE);
00056     }
00057 
00058     Lock(&pdeskinfo->spwndProgman, pwnd);
00059 
00060     return(TRUE);
00061 }

BOOL _SetTaskmanWindow (  PWND  pwnd  ) 
 

Definition at line 63 of file miscutil.c.

References BOOL, FALSE, GETDESKINFO, Lock, NULL, PtiCurrent, tagDESKTOPINFO::spwndTaskman, and TRUE. 

00063                                   {
00064 
00065     PDESKTOPINFO pdeskinfo = GETDESKINFO(PtiCurrent());
00066 
00067     if (pwnd != NULL) {
00068         // Fail the call if another shell window exists
00069         if (pdeskinfo->spwndTaskman != NULL)
00070             return(FALSE);
00071     }
00072 
00073     Lock(&pdeskinfo->spwndTaskman, pwnd);
00074 
00075     return(TRUE);
00076 }

VOID SetDialogPointer (  PWND  pwnd,
LONG_PTR  lPtr
) 
 

Definition at line 24 of file miscutil.c.

References tagWND::cbwndExtra, ClrWF, FNID_CLEANEDUP_BIT, FNID_DIALOG, GETPTI, PpiCurrent, SetWF, TestWF, VOID(), WFDIALOGWINDOW, and WFSERVERSIDEPROC. 

00024                                                 {
00025 
00026     if ((pwnd->cbwndExtra < DLGWINDOWEXTRA)
00027             || TestWF(pwnd, WFSERVERSIDEPROC)
00028             || (PpiCurrent() != GETPTI(pwnd)->ppi)) {
00029         RIPMSG1(RIP_WARNING, "SetDialogPointer: Unexpected pwnd:%#p", pwnd);
00030         return;
00031     }
00032 
00033     ((PDIALOG)pwnd)->pdlg = (PDLG)lPtr;
00034 
00035     if (lPtr == 0) {
00036         pwnd->fnid |= FNID_CLEANEDUP_BIT;
00037         ClrWF(pwnd, WFDIALOGWINDOW);
00038     } else {
00039         if (pwnd->fnid == 0) {
00040             pwnd->fnid = FNID_DIALOG;
00041         }
00042         SetWF(pwnd, WFDIALOGWINDOW);
00043     }
00044 
00045 
00046 }

BOOL xxxSetShellWindow (  PWND  pwnd,
PWND  pwndBkGnd
) 
 

Definition at line 97 of file miscutil.c.

References _RegisterHotKey(), BOOL, FALSE, GETDESKINFO, GETPTI, Lock, NULL, tagDESKTOPINFO::ppiShellProcess, PtiCurrent, PWND_BOTTOM, SetWF, tagDESKTOPINFO::spwndBkGnd, tagWND::spwndOwner, tagDESKTOPINFO::spwndShell, TestWF, TestwndChild, TRUE, WEFTOPMOST, WFBOTTOMMOST, and xxxSetWindowPos().

Referenced by NtUserSetShellWindowEx(). 

00098 {
00099     PTHREADINFO  ptiCurrent = PtiCurrent();
00100     PDESKTOPINFO pdeskinfo = GETDESKINFO(ptiCurrent);
00101 
00102     PPROCESSINFO ppiShellProcess;
00103 
00104     UserAssert(pwnd);
00105 
00106     /*
00107      * Fail the call if another shell window exists
00108      */
00109     if (pdeskinfo->spwndShell != NULL)
00110         return(FALSE);
00111 
00112     /*
00113      * The shell window must be
00114      *      (1) Top-level
00115      *      (2) Unowned
00116      *      (3) Not topmost
00117      */
00118     if (TestwndChild(pwnd)             ||
00119             (pwnd->spwndOwner != NULL) ||
00120             TestWF(pwnd, WEFTOPMOST)) {
00121 
00122         RIPMSG0(RIP_WARNING, "xxxSetShellWindow: Invalid type of window");
00123         return(FALSE);
00124     }
00125 
00126     /*
00127      * Chicago has a totally different input model which has special code
00128      * that checks for Ctrl-Esc and sends it to the shell.  We can get
00129      * the same functionality, without totally re-writing our input model
00130      * by just automatically installing the Ctrl-Esc as a hotkey for the
00131      * shell window.  The hotkey delivery code has a special case which
00132      * turns this into a WM_SYSCOMMAND message instead of a WM_HOTKEY
00133      * message.
00134      *
00135      * We don't both checking for failure.  Somebody could already have
00136      * a Ctrl-Esc handler installed.
00137      */
00138     _RegisterHotKey(pwnd,SC_TASKLIST,MOD_CONTROL,VK_ESCAPE);
00139 
00140     /*
00141      * This is the shell window wright.
00142      * So get the process id for the shell.
00143      */
00144     ppiShellProcess = GETPTI(pwnd)->ppi;
00145 
00146     /*
00147      * Set the shell process id to the desktop only if it's the first instance
00148      */
00149     if ((ppiShellProcess != NULL) && (pdeskinfo->ppiShellProcess == NULL)) {
00150         pdeskinfo->ppiShellProcess = ppiShellProcess;
00151     }
00152 
00153     Lock(&pdeskinfo->spwndShell, pwnd);
00154     Lock(&pdeskinfo->spwndBkGnd, pwndBkGnd);
00155 
00156     /*
00157      * Push window to bottom of stack.
00158      */
00159     SetWF(pdeskinfo->spwndShell, WFBOTTOMMOST);
00160     xxxSetWindowPos(pdeskinfo->spwndShell,
00161                     PWND_BOTTOM,
00162                     0,
00163                     0,
00164                     0,
00165                     0,
00166                     SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
00167 
00168     return(TRUE);
00169 }

VOID ZapActiveAndFocus (  VOID   ) 
 

Definition at line 16 of file miscutil.c.

References PtiCurrent, tagQ::spwndActive, tagQ::spwndFocus, Unlock, and VOID(). 

00017 {
00018    PQ pq = PtiCurrent()->pq;
00019 
00020    Unlock(&pq->spwndActive);
00021    Unlock(&pq->spwndFocus);
00022 }

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