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gecko-dev/widget/os2/os2FrameWindow.cpp

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/* vim: set sw=2 sts=2 et cin: */
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This Original Code has been modified by IBM Corporation.
* Modifications made by IBM are
* Copyright (c) International Business Machines Corporation, 2000
*
*/
//=============================================================================
#include "nsWindow.h"
#include "os2FrameWindow.h"
#include "nsIRollupListener.h"
#include "nsIScreenManager.h"
#include "nsOS2Uni.h"
//-----------------------------------------------------------------------------
// External Variables (in nsWindow.cpp)
extern uint32_t gOS2Flags;
#ifdef DEBUG_FOCUS
extern int currentWindowIdentifier;
#endif
//-----------------------------------------------------------------------------
// Debug
#ifdef DEBUG_FOCUS
#define DEBUGFOCUS(what) fprintf(stderr, "[%8x] %8lx (%02d) "#what"\n", \
(int)this, mFrameWnd, mWindowIdentifier)
#else
#define DEBUGFOCUS(what)
#endif
//=============================================================================
// os2FrameWindow Setup
//=============================================================================
os2FrameWindow::os2FrameWindow(nsWindow* aOwner)
{
mOwner = aOwner;
mFrameWnd = 0;
mTitleBar = 0;
mSysMenu = 0;
mMinMax = 0;
mSavedStyle = 0;
mFrameIcon = 0;
mChromeHidden = false;
mNeedActivation = false;
mPrevFrameProc = 0;
mFrameBounds = nsIntRect(0, 0, 0, 0);
}
//-----------------------------------------------------------------------------
os2FrameWindow::~os2FrameWindow()
{
if (mFrameIcon) {
WinFreeFileIcon(mFrameIcon);
mFrameIcon = 0;
}
}
//-----------------------------------------------------------------------------
// Create frame & client windows for an os2FrameWindow object; return the
// handle of the client window. This is the only method that manipulates
// the client window - all other operations on it are handled by nsWindow.
HWND os2FrameWindow::CreateFrameWindow(nsWindow* aParent,
HWND aParentWnd,
const nsIntRect& aRect,
nsWindowType aWindowType,
nsBorderStyle aBorderStyle)
{
// Create a frame window with a MozillaWindowClass window as its client.
HWND hClient;
uint32_t fcfFlags = GetFCFlags(aWindowType, aBorderStyle);
mFrameWnd = WinCreateStdWindow(HWND_DESKTOP,
0,
(ULONG*)&fcfFlags,
kWindowClassName,
"Title",
WS_CLIPCHILDREN,
NULLHANDLE,
0,
&hClient);
if (!mFrameWnd) {
return 0;
}
// Hide from the Window List until shown.
SetWindowListVisibility(false);
// This prevents a modal dialog from being covered by its disabled parent.
if (aParentWnd != HWND_DESKTOP) {
WinSetOwner(mFrameWnd, aParentWnd);
}
// Get the frame control HWNDs for use by fullscreen mode.
mTitleBar = WinWindowFromID(mFrameWnd, FID_TITLEBAR);
mSysMenu = WinWindowFromID(mFrameWnd, FID_SYSMENU);
mMinMax = WinWindowFromID(mFrameWnd, FID_MINMAX);
// Calc the size of a frame needed to contain a client area of the
// specified width & height. Without this, eWindowType_dialog windows
// will be truncated (toplevel windows will still display correctly).
RECTL rcl = {0, 0, aRect.width, aRect.height};
WinCalcFrameRect(mFrameWnd, &rcl, FALSE);
mFrameBounds = nsIntRect(aRect.x, aRect.y,
rcl.xRight-rcl.xLeft, rcl.yTop-rcl.yBottom);
// Move & resize the frame.
int32_t pmY = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN)
- mFrameBounds.y - mFrameBounds.height;
WinSetWindowPos(mFrameWnd, 0, mFrameBounds.x, pmY,
mFrameBounds.width, mFrameBounds.height,
SWP_SIZE | SWP_MOVE);
// Store the client's bounds. For windows with resizable borders,
// the width includes the width of the frame controls (minmax, etc.).
SWP swp;
WinQueryWindowPos(hClient, &swp);
mOwner->SetBounds(nsIntRect(swp.x, mFrameBounds.height - swp.y - swp.cy,
swp.cx, swp.cy));
// Subclass the frame.
mPrevFrameProc = WinSubclassWindow(mFrameWnd, fnwpFrame);
WinSetWindowPtr(mFrameWnd, QWL_USER, this);
DEBUGFOCUS(Create os2FrameWindow);
return hClient;
}
//-----------------------------------------------------------------------------
uint32_t os2FrameWindow::GetFCFlags(nsWindowType aWindowType,
nsBorderStyle aBorderStyle)
{
uint32_t style = FCF_TITLEBAR | FCF_SYSMENU | FCF_TASKLIST |
FCF_CLOSEBUTTON | FCF_NOBYTEALIGN | FCF_AUTOICON;
if (aWindowType == eWindowType_dialog) {
if (aBorderStyle == eBorderStyle_default) {
style |= FCF_DLGBORDER;
} else {
style |= FCF_SIZEBORDER | FCF_MINMAX;
}
}
else {
style |= FCF_SIZEBORDER | FCF_MINMAX;
}
if (gOS2Flags & kIsDBCS) {
style |= FCF_DBE_APPSTAT;
}
if (aWindowType == eWindowType_invisible) {
style &= ~FCF_TASKLIST;
}
if (aBorderStyle != eBorderStyle_default &&
aBorderStyle != eBorderStyle_all) {
if (aBorderStyle == eBorderStyle_none ||
!(aBorderStyle & eBorderStyle_resizeh)) {
style &= ~FCF_SIZEBORDER;
style |= FCF_DLGBORDER;
}
if (aBorderStyle == eBorderStyle_none ||
!(aBorderStyle & eBorderStyle_border)) {
style &= ~(FCF_DLGBORDER | FCF_SIZEBORDER);
}
if (aBorderStyle == eBorderStyle_none ||
!(aBorderStyle & eBorderStyle_title)) {
style &= ~(FCF_TITLEBAR | FCF_TASKLIST);
}
if (aBorderStyle == eBorderStyle_none ||
!(aBorderStyle & eBorderStyle_close)) {
style &= ~FCF_CLOSEBUTTON;
}
if (aBorderStyle == eBorderStyle_none ||
!(aBorderStyle & (eBorderStyle_menu | eBorderStyle_close))) {
style &= ~FCF_SYSMENU;
}
// Looks like getting rid of the system menu also does away
// with the close box. So, we only get rid of the system menu
// if you want neither it nor the close box.
if (aBorderStyle == eBorderStyle_none ||
!(aBorderStyle & eBorderStyle_minimize)) {
style &= ~FCF_MINBUTTON;
}
if (aBorderStyle == eBorderStyle_none ||
!(aBorderStyle & eBorderStyle_maximize)) {
style &= ~FCF_MAXBUTTON;
}
}
return style;
}
//=============================================================================
// Window Operations
//=============================================================================
// For frame windows, 'Show' is equivalent to 'Show & Activate'.
nsresult os2FrameWindow::Show(bool aState)
{
uint32_t ulFlags;
if (!aState) {
ulFlags = SWP_HIDE | SWP_DEACTIVATE;
} else {
ulFlags = SWP_SHOW | SWP_ACTIVATE;
uint32_t ulStyle = WinQueryWindowULong(mFrameWnd, QWL_STYLE);
int32_t sizeMode;
mOwner->GetSizeMode(&sizeMode);
if (!(ulStyle & WS_VISIBLE)) {
if (sizeMode == nsSizeMode_Maximized) {
ulFlags |= SWP_MAXIMIZE;
} else if (sizeMode == nsSizeMode_Minimized) {
ulFlags |= SWP_MINIMIZE;
} else {
ulFlags |= SWP_RESTORE;
}
} else if (ulStyle & WS_MINIMIZED) {
if (sizeMode == nsSizeMode_Maximized) {
ulFlags |= SWP_MAXIMIZE;
} else {
ulFlags |= SWP_RESTORE;
}
}
}
WinSetWindowPos(mFrameWnd, 0, 0, 0, 0, 0, ulFlags);
SetWindowListVisibility(aState);
return NS_OK;
}
//-----------------------------------------------------------------------------
void os2FrameWindow::SetWindowListVisibility(bool aState)
{
HSWITCH hswitch = WinQuerySwitchHandle(mFrameWnd, 0);
if (hswitch) {
SWCNTRL swctl;
WinQuerySwitchEntry(hswitch, &swctl);
swctl.uchVisibility = aState ? SWL_VISIBLE : SWL_INVISIBLE;
swctl.fbJump = aState ? SWL_JUMPABLE : SWL_NOTJUMPABLE;
WinChangeSwitchEntry(hswitch, &swctl);
}
}
//=============================================================================
// Window Positioning
//=============================================================================
nsresult os2FrameWindow::GetBounds(nsIntRect& aRect)
{
aRect = mFrameBounds;
return NS_OK;
}
//-----------------------------------------------------------------------------
nsresult os2FrameWindow::Move(int32_t aX, int32_t aY)
{
aY = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN) - mFrameBounds.height - aY;
WinSetWindowPos(mFrameWnd, 0, aX, aY, 0, 0, SWP_MOVE);
return NS_OK;
}
//-----------------------------------------------------------------------------
nsresult os2FrameWindow::Resize(int32_t aWidth, int32_t aHeight,
bool aRepaint)
{
// When resizing, the coordinates of the window's bottom-left corner have to
// be adjusted to ensure the position of the top-left corner doesn't change.
Resize(mFrameBounds.x, mFrameBounds.y, aWidth, aHeight, aRepaint);
return NS_OK;
}
//-----------------------------------------------------------------------------
nsresult os2FrameWindow::Resize(int32_t aX, int32_t aY,
int32_t aWidth, int32_t aHeight,
bool aRepaint)
{
aY = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN) - aY - aHeight;
WinSetWindowPos(mFrameWnd, 0, aX, aY, aWidth, aHeight, SWP_MOVE | SWP_SIZE);
return NS_OK;
}
//=============================================================================
// Top-level (frame window) Operations
//=============================================================================
// When WM_ACTIVATE is received with the "gaining activation" flag set,
// the frame's wndproc sets mNeedActivation. Later, when an nsWindow
// gets a WM_FOCUSCHANGED msg with the "gaining focus" flag set, it
// invokes this method on os2FrameWindow to fire an NS_ACTIVATE event.
void os2FrameWindow::ActivateTopLevelWidget()
{
// Don't fire event if we're minimized or else the window will
// be restored as soon as the user clicks on it. When the user
// explicitly restores it, SetSizeMode() will call this method.
if (mNeedActivation) {
int32_t sizeMode;
mOwner->GetSizeMode(&sizeMode);
if (sizeMode != nsSizeMode_Minimized) {
mNeedActivation = false;
DEBUGFOCUS(NS_ACTIVATE);
mOwner->DispatchActivationEvent(NS_ACTIVATE);
}
}
return;
}
//-----------------------------------------------------------------------------
// Maximize, minimize or restore the window. When the frame has its
// controls, this method is usually advisory because min/max/restore has
// already occurred. It only performs these actions when the frame is in
// fullscreen mode or saved window positions are being restored at startup.
nsresult os2FrameWindow::SetSizeMode(int32_t aMode)
{
int32_t previousMode;
mOwner->GetSizeMode(&previousMode);
// save the new state
nsresult rv = mOwner->nsBaseWidget::SetSizeMode(aMode);
if (!NS_SUCCEEDED(rv)) {
return rv;
}
// Minimized windows would get restored involuntarily if we fired an
// NS_ACTIVATE when the user clicks on them. Instead, we defer the
// activation event until the window has explicitly been restored.
if (previousMode == nsSizeMode_Minimized && previousMode != aMode) {
DEBUGFOCUS(deferred NS_ACTIVATE);
ActivateTopLevelWidget();
}
ULONG ulStyle = WinQueryWindowULong(mFrameWnd, QWL_STYLE);
switch (aMode) {
case nsSizeMode_Normal:
if (ulStyle & (WS_MAXIMIZED | WS_MINIMIZED)) {
WinSetWindowPos(mFrameWnd, 0, 0, 0, 0, 0, SWP_RESTORE);
}
break;
case nsSizeMode_Minimized:
if (!(ulStyle & WS_MINIMIZED)) {
WinSetWindowPos(mFrameWnd, HWND_BOTTOM, 0, 0, 0, 0,
SWP_MINIMIZE | SWP_ZORDER | SWP_DEACTIVATE);
}
break;
case nsSizeMode_Maximized:
// Don't permit the window to be maximized when in
// fullscreen mode because it won't be restored correctly.
if (!(ulStyle & WS_MAXIMIZED) && !mChromeHidden) {
WinSetWindowPos(mFrameWnd, HWND_TOP, 0, 0, 0, 0,
SWP_MAXIMIZE | SWP_ZORDER);
}
break;
// 'nsSizeMode_Fullscreen' is defined but isn't used (as of v1.9.3)
case nsSizeMode_Fullscreen:
default:
break;
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// Hide or show the frame & its controls (titlebar, minmax, etc.).
nsresult os2FrameWindow::HideWindowChrome(bool aShouldHide)
{
// Putting a maximized window into fullscreen mode causes multiple
// problems if it's later minimized & then restored. To avoid them,
// restore maximized windows before putting them in fullscreen mode.
if (WinQueryWindowULong(mFrameWnd, QWL_STYLE) & WS_MAXIMIZED) {
WinSetWindowPos(mFrameWnd, 0, 0, 0, 0, 0, SWP_RESTORE | SWP_NOREDRAW);
}
HWND hParent;
if (aShouldHide) {
hParent = HWND_OBJECT;
mChromeHidden = true;
} else {
hParent = mFrameWnd;
mChromeHidden = false;
}
// Hide or show the frame controls.
WinSetParent(mTitleBar, hParent, FALSE);
WinSetParent(mSysMenu, hParent, FALSE);
WinSetParent(mMinMax, hParent, FALSE);
// Modify the frame style, then advise it of the changes.
if (aShouldHide) {
mSavedStyle = WinQueryWindowULong(mFrameWnd, QWL_STYLE);
WinSetWindowULong(mFrameWnd, QWL_STYLE, mSavedStyle & ~FS_SIZEBORDER);
WinSendMsg(mFrameWnd, WM_UPDATEFRAME, 0, 0);
} else {
WinSetWindowULong(mFrameWnd, QWL_STYLE, mSavedStyle);
WinSendMsg(mFrameWnd, WM_UPDATEFRAME,
MPFROMLONG(FCF_TITLEBAR | FCF_SYSMENU | FCF_MINMAX), 0);
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// On OS/2, if you pass a titlebar > 512 characters, it doesn't display at all.
// We are going to limit our titlebars to 256 just to be on the safe side.
#define MAX_TITLEBAR_LENGTH 256
nsresult os2FrameWindow::SetTitle(const nsAString& aTitle)
{
PRUnichar* uchtemp = ToNewUnicode(aTitle);
for (uint32_t i = 0; i < aTitle.Length(); i++) {
switch (uchtemp[i]) {
case 0x2018:
case 0x2019:
uchtemp[i] = 0x0027;
break;
case 0x201C:
case 0x201D:
uchtemp[i] = 0x0022;
break;
case 0x2014:
uchtemp[i] = 0x002D;
break;
}
}
nsAutoCharBuffer title;
int32_t titleLength;
WideCharToMultiByte(0, uchtemp, aTitle.Length(), title, titleLength);
if (titleLength > MAX_TITLEBAR_LENGTH) {
title[MAX_TITLEBAR_LENGTH] = '\0';
}
WinSetWindowText(mFrameWnd, title.Elements());
// If the chrome is hidden, set the text of the titlebar directly
if (mChromeHidden) {
WinSetWindowText(mTitleBar, title.Elements());
}
nsMemory::Free(uchtemp);
return NS_OK;
}
//-----------------------------------------------------------------------------
// This implementation guarantees that sysmenus & minimized windows
// will always have some icon other than the sysmenu default.
nsresult os2FrameWindow::SetIcon(const nsAString& aIconSpec)
{
static HPOINTER hDefaultIcon = 0;
HPOINTER hWorkingIcon = 0;
// Assume the given string is a local identifier for an icon file.
nsCOMPtr<nsIFile> iconFile;
mOwner->ResolveIconName(aIconSpec, NS_LITERAL_STRING(".ico"),
getter_AddRefs(iconFile));
// if the file was found, try to use it
if (iconFile) {
nsAutoCString path;
iconFile->GetNativePath(path);
if (mFrameIcon) {
WinFreeFileIcon(mFrameIcon);
}
mFrameIcon = WinLoadFileIcon(path.get(), FALSE);
hWorkingIcon = mFrameIcon;
}
// if that doesn't work, use the app's icon (let's hope it can be
// loaded because nobody should have to look at SPTR_APPICON)
if (!hWorkingIcon) {
if (!hDefaultIcon) {
hDefaultIcon = WinLoadPointer(HWND_DESKTOP, 0, 1);
if (!hDefaultIcon) {
hDefaultIcon = WinQuerySysPointer(HWND_DESKTOP, SPTR_APPICON, FALSE);
}
}
hWorkingIcon = hDefaultIcon;
}
WinSendMsg(mFrameWnd, WM_SETICON, (MPARAM)hWorkingIcon, (MPARAM)0);
return NS_OK;
}
//-----------------------------------------------------------------------------
// Constrain a potential move to fit onscreen.
nsresult os2FrameWindow::ConstrainPosition(bool aAllowSlop,
int32_t* aX, int32_t* aY)
{
// do we have enough info to do anything
bool doConstrain = false;
// get our playing field. use the current screen, or failing
// that for any reason, use device caps for the default screen.
RECTL screenRect;
nsCOMPtr<nsIScreenManager> screenmgr =
do_GetService("@mozilla.org/gfx/screenmanager;1");
if (screenmgr) {
nsCOMPtr<nsIScreen> screen;
int32_t left, top, width, height;
// zero size rects confuse the screen manager
width = mFrameBounds.width > 0 ? mFrameBounds.width : 1;
height = mFrameBounds.height > 0 ? mFrameBounds.height : 1;
screenmgr->ScreenForRect(*aX, *aY, width, height,
getter_AddRefs(screen));
if (screen) {
screen->GetAvailRect(&left, &top, &width, &height);
screenRect.xLeft = left;
screenRect.xRight = left+width;
screenRect.yTop = top;
screenRect.yBottom = top+height;
doConstrain = true;
}
}
#define kWindowPositionSlop 100
if (doConstrain) {
if (aAllowSlop) {
if (*aX < screenRect.xLeft - mFrameBounds.width + kWindowPositionSlop) {
*aX = screenRect.xLeft - mFrameBounds.width + kWindowPositionSlop;
} else
if (*aX >= screenRect.xRight - kWindowPositionSlop) {
*aX = screenRect.xRight - kWindowPositionSlop;
}
if (*aY < screenRect.yTop) {
*aY = screenRect.yTop;
} else
if (*aY >= screenRect.yBottom - kWindowPositionSlop) {
*aY = screenRect.yBottom - kWindowPositionSlop;
}
} else {
if (*aX < screenRect.xLeft) {
*aX = screenRect.xLeft;
} else
if (*aX >= screenRect.xRight - mFrameBounds.width) {
*aX = screenRect.xRight - mFrameBounds.width;
}
if (*aY < screenRect.yTop) {
*aY = screenRect.yTop;
} else
if (*aY >= screenRect.yBottom - mFrameBounds.height) {
*aY = screenRect.yBottom - mFrameBounds.height;
}
}
}
return NS_OK;
}
//=============================================================================
// os2FrameWindow's Window Procedure
//=============================================================================
// Subclass for frame window
MRESULT EXPENTRY fnwpFrame(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
{
// check to see if we have a rollup listener registered
nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
if (rollupListener) {
nsCOMPtr<nsIWidget> rollupWidget = rollupListener->GetRollupWidget();
if (msg == WM_TRACKFRAME || msg == WM_MINMAXFRAME ||
msg == WM_BUTTON1DOWN || msg == WM_BUTTON2DOWN ||
msg == WM_BUTTON3DOWN) {
// Rollup if the event is outside the popup
if (!nsWindow::EventIsInsideWindow((nsWindow*)rollupWidget)) {
rollupListener->Rollup(UINT32_MAX);
}
}
}
os2FrameWindow* pFrame = (os2FrameWindow*)WinQueryWindowPtr(hwnd, QWL_USER);
return pFrame->ProcessFrameMessage(msg, mp1, mp2);
}
//-----------------------------------------------------------------------------
// Process messages from the frame
MRESULT os2FrameWindow::ProcessFrameMessage(ULONG msg, MPARAM mp1, MPARAM mp2)
{
MRESULT mresult = 0;
bool isDone = false;
switch (msg) {
case WM_WINDOWPOSCHANGED: {
PSWP pSwp = (PSWP)mp1;
// Don't save the new position or size of a minimized
// window, or else it won't be restored correctly.
if (pSwp->fl & SWP_MOVE && !(pSwp->fl & SWP_MINIMIZE)) {
POINTL ptl = { pSwp->x, pSwp->y + pSwp->cy };
ptl.y = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN) - ptl.y;
mFrameBounds.x = ptl.x;
mFrameBounds.y = ptl.y;
mOwner->DispatchMoveEvent(ptl.x, ptl.y);
}
// Save the frame's bounds, then call the default wndproc
// so the client can handle its WM_WINDOWPOSCHANGED msg now.
if (pSwp->fl & SWP_SIZE && !(pSwp->fl & SWP_MINIMIZE)) {
mFrameBounds.width = pSwp->cx;
mFrameBounds.height = pSwp->cy;
mresult = (*mPrevFrameProc)(mFrameWnd, msg, mp1, mp2);
isDone = true;
}
if (pSwp->fl & (SWP_MAXIMIZE | SWP_MINIMIZE | SWP_RESTORE)) {
nsSizeModeEvent event(true, NS_SIZEMODE, mOwner);
if (pSwp->fl & SWP_MAXIMIZE) {
event.mSizeMode = nsSizeMode_Maximized;
} else if (pSwp->fl & SWP_MINIMIZE) {
event.mSizeMode = nsSizeMode_Minimized;
} else {
event.mSizeMode = nsSizeMode_Normal;
}
mOwner->InitEvent(event);
mOwner->DispatchWindowEvent(&event);
}
break;
}
// A frame window in kiosk/fullscreen mode must have its frame
// controls reattached before it's minimized & detached after it's
// restored. If this doesn't happen at the correct times, clicking
// on the icon won't restore it, the sysmenu will have the wrong
// items, and/or the minmax button will have the wrong buttons.
case WM_ADJUSTWINDOWPOS:
if (mChromeHidden && ((PSWP)mp1)->fl & SWP_MINIMIZE) {
WinSetParent(mTitleBar, mFrameWnd, TRUE);
WinSetParent(mSysMenu, mFrameWnd, TRUE);
WinSetParent(mMinMax, mFrameWnd, TRUE);
}
break;
case WM_ADJUSTFRAMEPOS:
if (mChromeHidden && ((PSWP)mp1)->fl & SWP_RESTORE) {
WinSetParent(mTitleBar, HWND_OBJECT, TRUE);
WinSetParent(mSysMenu, HWND_OBJECT, TRUE);
WinSetParent(mMinMax, HWND_OBJECT, TRUE);
}
break;
case WM_DESTROY:
DEBUGFOCUS(frame WM_DESTROY);
WinSubclassWindow(mFrameWnd, mPrevFrameProc);
WinSetWindowPtr(mFrameWnd, QWL_USER, 0);
break;
case WM_INITMENU:
// If we are in fullscreen/kiosk mode, disable maximize menu item.
if (mChromeHidden &&
SHORT1FROMMP(mp1) == SC_SYSMENU &&
WinQueryWindowULong(mFrameWnd, QWL_STYLE) & WS_MINIMIZED) {
MENUITEM menuitem;
WinSendMsg(WinWindowFromID(mFrameWnd, FID_SYSMENU), MM_QUERYITEM,
MPFROM2SHORT(SC_SYSMENU, FALSE), MPARAM(&menuitem));
mresult = (*mPrevFrameProc)(mFrameWnd, msg, mp1, mp2);
WinEnableMenuItem(menuitem.hwndSubMenu, SC_MAXIMIZE, FALSE);
isDone = true;
}
break;
case WM_SYSCOMMAND:
// If we are in fullscreen/kiosk mode, don't honor maximize requests.
if (mChromeHidden &&
SHORT1FROMMP(mp1) == SC_MAXIMIZE &&
WinQueryWindowULong(mFrameWnd, QWL_STYLE) & WS_MINIMIZED) {
isDone = true;
}
break;
// When the frame is activated, set a flag to be acted on after
// PM has finished changing focus. When deactivated, dispatch
// the event immediately because it doesn't affect the focus.
case WM_ACTIVATE:
DEBUGFOCUS(WM_ACTIVATE);
if (mp1) {
mNeedActivation = true;
} else {
mNeedActivation = false;
DEBUGFOCUS(NS_DEACTIVATE);
mOwner->DispatchActivationEvent(NS_DEACTIVATE);
// Prevent the frame from automatically focusing any window
// when it's reactivated. Let moz set the focus to avoid
// having non-widget children of plugins focused in error.
WinSetWindowULong(mFrameWnd, QWL_HWNDFOCUSSAVE, 0);
}
break;
}
if (!isDone) {
mresult = (*mPrevFrameProc)(mFrameWnd, msg, mp1, mp2);
}
return mresult;
}
//=============================================================================
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