HWND WINAPI
SetFocus(HWND hwnd)
{
HWND oldfocus;
HWND top, top2;
/* if NULL or hidden, set focus to desktop*/
if(!hwnd || hwnd->unmapcount)
hwnd = rootwp;
if(hwnd == focuswp)
return focuswp;
oldfocus = focuswp;
top = MwGetTopWindow(oldfocus);
top2 = MwGetTopWindow(hwnd);
SendMessage(oldfocus, WM_KILLFOCUS, (WPARAM)hwnd, 0L);
/* send deactivate. Note: should be sent before changing the focuswp var*/
if(top2 != top)
SendMessage(top, WM_ACTIVATE, (WPARAM)MAKELONG(WA_INACTIVE, 0), (LPARAM)top2);
focuswp = hwnd;
SendMessage(focuswp, WM_SETFOCUS, (WPARAM)oldfocus, 0L);
/* FIXME SetActiveWindow() here?*/
if(top2 != top) {
/* repaint captions*/
MwPaintNCArea(top);
#if 0
/* Make sure that caption area is fully invalidated,
* as repaint will be in active color.
* FIXME: this doesn't work; breaks terminal emulator
* on focus out/in
*/
MwUnionUpdateRegion(top2, 0, 0,
top2->winrect.right-top2->winrect.left,
mwSYSMETRICS_CYCAPTION+4, TRUE);
#endif
/* send activate*/
SendMessage(top2, WM_ACTIVATE, (WPARAM)MAKELONG(WA_ACTIVE, 0),
(LPARAM)top);
MwPaintNCArea(top2);
}
return oldfocus;
}
/* setting the foreground window sets focus and moves window to top*/
BOOL WINAPI
SetForegroundWindow(HWND hwnd)
{
/* activate (set focus to) specified window*/
SetFocus(hwnd);
/* raise top level parent to top of z order*/
SetWindowPos(MwGetTopWindow(hwnd), HWND_TOP, 0, 0, 0, 0,
SWP_NOMOVE|SWP_NOSIZE);
return TRUE;
}
void
MwDeliverMouseEvent(int buttons, int changebuttons, MWKEYMOD modifiers)
{
HWND hwnd, top;
int hittest;
UINT msg;
mwCurrentModifiers = modifiers;
hwnd = GetCapture();
if(!hwnd)
hwnd = mousewp;
/* if wnd is disabled, or window is child and parent disabled, do nothing*/
if( hwnd == NULL || !IsWindowEnabled(hwnd) )
return;
top = MwGetTopWindow(hwnd);
if( top != NULL && !IsWindowEnabled(top) )
return;
hittest = SendMessage(hwnd, WM_NCHITTEST, 0, MAKELONG(cursorx,cursory));
if(!changebuttons)
MwTranslateMouseMessage(hwnd, WM_MOUSEMOVE, hittest, buttons);
if(changebuttons & MWBUTTON_L) {
msg = (buttons&MWBUTTON_L)? WM_LBUTTONDOWN: WM_LBUTTONUP;
MwTranslateMouseMessage(hwnd, msg, hittest, buttons);
}
if(changebuttons & MWBUTTON_M) {
msg = (buttons&MWBUTTON_M)? WM_MBUTTONDOWN: WM_MBUTTONUP;
MwTranslateMouseMessage(hwnd, msg, hittest, buttons);
}
if(changebuttons & MWBUTTON_R) {
msg = (buttons&MWBUTTON_R)? WM_RBUTTONDOWN: WM_RBUTTONUP;
MwTranslateMouseMessage(hwnd, msg, hittest, buttons);
}
}
/* The active window is the first non-child ancestor of focus window*/
HWND WINAPI
GetActiveWindow(VOID)
{
return MwGetTopWindow(focuswp);
}
/*
* Destroy the specified window, and all of its children.
* This is a recursive routine.
*/
void
MwDestroyWindow(HWND hwnd,BOOL bSendMsg)
{
HWND wp = hwnd;
HWND prevwp;
PMWLIST p;
PMSG pmsg;
if (wp == rootwp || !IsWindow (hwnd))
return;
/*
* Unmap the window.
*/
if (wp->unmapcount == 0)
MwHideWindow(wp, FALSE, FALSE);
if(bSendMsg)
SendMessage(hwnd, WM_DESTROY, 0, 0L);
/*
* Remove from timers
*/
MwRemoveWndFromTimers(hwnd);
/*
* Remove hotkeys
*/
MwRemoveWndFromHotkeys(hwnd);
/*
* Disable all sendmessages to this window.
*/
wp->lpfnWndProc = NULL;
/*
* Destroy all children, sending WM_DESTROY messages.
*/
while (wp->children)
MwDestroyWindow(wp->children, bSendMsg);
wp->pClass = NULL;
/*
* Free any cursor associated with the window.
*/
if (wp->cursor->usecount-- == 1) {
free(wp->cursor);
wp->cursor = NULL;
}
/*
* Remove this window from the child list of its parent.
*/
prevwp = wp->parent->children;
if (prevwp == wp)
wp->parent->children = wp->siblings;
else {
while (prevwp && prevwp->siblings != wp)
prevwp = prevwp->siblings;
if (prevwp) prevwp->siblings = wp->siblings;
}
wp->siblings = NULL;
/*
* Remove this window from the complete list of windows.
*/
prevwp = listwp;
if (prevwp == wp)
listwp = wp->next;
else {
while (prevwp->next && prevwp->next != wp)
prevwp = prevwp->next;
prevwp->next = wp->next;
}
wp->next = NULL;
/*
* Forget various information related to this window.
* Then finally free the structure.
*/
/* Remove all messages from msg queue for this window*/
for(p=mwMsgHead.head; p; ) {
pmsg = GdItemAddr(p, MSG, link);
if(pmsg->hwnd == wp) {
p = p->next;
GdListRemove(&mwMsgHead, &pmsg->link);
GdItemFree(pmsg);
} else
p = p->next;
}
/*
* Remove all properties from this window.
*/
for(p=hwnd->props.head; p; ) {
MWPROP *pProp = GdItemAddr(p, MWPROP, link);
p = p->next;
GdListRemove (&hwnd->props, &pProp->link);
GdItemFree (pProp);
}
/* FIXME: destroy hdc's relating to window?*/
if (wp == capturewp) {
capturewp = NULL;
MwCheckMouseWindow();
}
if (wp == MwGetTopWindow(focuswp))
SetFocus(rootwp->children? rootwp->children: rootwp);
/* destroy private DC*/
if(wp->owndc) {
HDC hdc = wp->owndc;
wp->owndc = NULL; /* force destroy with ReleaseDC*/
ReleaseDC(wp, hdc);
}
if (wp->szTitle) {
free(wp->szTitle);
wp->szTitle = NULL;
}
#if UPDATEREGIONS
if (wp->update) {
GdDestroyRegion(wp->update);
wp->update = NULL;
}
#endif
GdItemFree(wp);
}