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(). { if (pwnd->pSBInfo) { /* * If memory is already allocated, don't bother to do it again. */ return pwnd->pSBInfo; } pwnd->pSBInfo = (PSBINFO)DesktopAlloc(pwnd->head.rpdesk, sizeof(SBINFO), DTAG_SBINFO); if (pwnd->pSBInfo != NULL) { /* * rgw[0] = 0; */ /* LPTR zeros all 6 words */ /* * rgw[1] = 0; */ /* * rgw[3] = 0; */ /* * rgw[4] = 0; */ pwnd->pSBInfo->Vert.posMax = 100; pwnd->pSBInfo->Horz.posMax = 100; } return pwnd->pSBInfo; }

BOOL _SetProgmanWindow (  PWND  pwnd  )

Definition at line 48 of file miscutil.c. References BOOL, FALSE, GETDESKINFO, Lock, NULL, PtiCurrent, tagDESKTOPINFO::spwndProgman, and TRUE. { PDESKTOPINFO pdeskinfo = GETDESKINFO(PtiCurrent()); if (pwnd != NULL) { // Fail the call if another shell window exists if (pdeskinfo->spwndProgman != NULL) return(FALSE); } Lock(&pdeskinfo->spwndProgman, pwnd); return(TRUE); }

BOOL _SetTaskmanWindow (  PWND  pwnd  )

Definition at line 63 of file miscutil.c. References BOOL, FALSE, GETDESKINFO, Lock, NULL, PtiCurrent, tagDESKTOPINFO::spwndTaskman, and TRUE. { PDESKTOPINFO pdeskinfo = GETDESKINFO(PtiCurrent()); if (pwnd != NULL) { // Fail the call if another shell window exists if (pdeskinfo->spwndTaskman != NULL) return(FALSE); } Lock(&pdeskinfo->spwndTaskman, pwnd); return(TRUE); }

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. { if ((pwnd->cbwndExtra < DLGWINDOWEXTRA) || TestWF(pwnd, WFSERVERSIDEPROC) || (PpiCurrent() != GETPTI(pwnd)->ppi)) { RIPMSG1(RIP_WARNING, "SetDialogPointer: Unexpected pwnd:%#p", pwnd); return; } ((PDIALOG)pwnd)->pdlg = (PDLG)lPtr; if (lPtr == 0) { pwnd->fnid |= FNID_CLEANEDUP_BIT; ClrWF(pwnd, WFDIALOGWINDOW); } else { if (pwnd->fnid == 0) { pwnd->fnid = FNID_DIALOG; } SetWF(pwnd, WFDIALOGWINDOW); } }

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(). { PTHREADINFO ptiCurrent = PtiCurrent(); PDESKTOPINFO pdeskinfo = GETDESKINFO(ptiCurrent); PPROCESSINFO ppiShellProcess; UserAssert(pwnd); /* * Fail the call if another shell window exists */ if (pdeskinfo->spwndShell != NULL) return(FALSE); /* * The shell window must be * (1) Top-level * (2) Unowned * (3) Not topmost */ if (TestwndChild(pwnd) || (pwnd->spwndOwner != NULL) || TestWF(pwnd, WEFTOPMOST)) { RIPMSG0(RIP_WARNING, "xxxSetShellWindow: Invalid type of window"); return(FALSE); } /* * Chicago has a totally different input model which has special code * that checks for Ctrl-Esc and sends it to the shell. We can get * the same functionality, without totally re-writing our input model * by just automatically installing the Ctrl-Esc as a hotkey for the * shell window. The hotkey delivery code has a special case which * turns this into a WM_SYSCOMMAND message instead of a WM_HOTKEY * message. * * We don't both checking for failure. Somebody could already have * a Ctrl-Esc handler installed. */ _RegisterHotKey(pwnd,SC_TASKLIST,MOD_CONTROL,VK_ESCAPE); /* * This is the shell window wright. * So get the process id for the shell. */ ppiShellProcess = GETPTI(pwnd)->ppi; /* * Set the shell process id to the desktop only if it's the first instance */ if ((ppiShellProcess != NULL) && (pdeskinfo->ppiShellProcess == NULL)) { pdeskinfo->ppiShellProcess = ppiShellProcess; } Lock(&pdeskinfo->spwndShell, pwnd); Lock(&pdeskinfo->spwndBkGnd, pwndBkGnd); /* * Push window to bottom of stack. */ SetWF(pdeskinfo->spwndShell, WFBOTTOMMOST); xxxSetWindowPos(pdeskinfo->spwndShell, PWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); return(TRUE); }

VOID ZapActiveAndFocus (  VOID   )

Definition at line 16 of file miscutil.c. References PtiCurrent, tagQ::spwndActive, tagQ::spwndFocus, Unlock, and VOID(). { PQ pq = PtiCurrent()->pq; Unlock(&pq->spwndActive); Unlock(&pq->spwndFocus); }

---