static Ihandle* winContainerWmCommandGetIhandle(Ihandle *ih, WPARAM wp, LPARAM lp)
{
/* WPARAM - if HIWORD is 0 if the message is from a menu.
or HIWORD is 1 if the message is from an accelerator.
or HIWORD is the notification code if the message is from a control.
LOWORD is the identifier.
LPARAM - the control sending the message or 0. */
Ihandle *child = NULL;
if (HIWORD(wp)==0 && lp==0 && LOWORD(wp)>10)
{
Ihandle* dlg_menu = IupGetAttributeHandle(ih, "MENU");
if (dlg_menu)
child = iupwinMenuGetItemHandle((HMENU)dlg_menu->handle, LOWORD(wp)); /* menu */
}
else
{
if (lp==0)
child = ih; /* native parent */
else
{
child = iupwinHandleGet((HWND)lp); /* control */
if (!child)
child = iupwinHandleGet(GetParent((HWND)lp)); /* control */
}
}
return child;
}
int iupdrvMenuPopup(Ihandle* ih, int x, int y)
{
HWND hWndActive = GetActiveWindow();
int tray_menu = 0;
int menuId;
if (!hWndActive)
{
/* search for a valid handle */
Ihandle* dlg = iupDlgListFirst();
do
{
if (dlg->handle)
{
hWndActive = dlg->handle; /* found a valid handle */
/* if not a "TRAY" dialog, keep searching, because TRAY is a special case */
if (iupAttribGetBoolean(dlg, "TRAY"))
break;
}
dlg = iupDlgListNext();
} while (dlg);
}
/* Necessary to avoid tray dialogs to lock popup menus (they get sticky after the 1st time) */
if (hWndActive)
{
Ihandle* dlg = iupwinHandleGet(hWndActive);
if (dlg && iupAttribGetBoolean(dlg, "TRAY"))
{
/* To display a context menu for a notification icon,
the current window must be the foreground window. */
SetForegroundWindow(hWndActive);
tray_menu = 1;
}
}
/* stop processing here. messages will not go to the message loop */
menuId = TrackPopupMenu((HMENU)ih->handle, TPM_LEFTALIGN|TPM_RIGHTBUTTON|TPM_RETURNCMD, x, y, 0, hWndActive, NULL);
if (tray_menu)
{
/* You must force a task switch to the application that
called TrackPopupMenu at some time in the near future.
This is done by posting a benign message to the window. */
PostMessage(hWndActive, WM_NULL, 0, 0);
}
if (menuId)
{
Icallback cb;
Ihandle* ih_item = iupwinMenuGetItemHandle((HMENU)ih->handle, menuId);
if (!ih_item) return IUP_NOERROR;
winItemCheckToggle(ih_item);
cb = IupGetCallback(ih_item, "ACTION");
if (cb && cb(ih_item) == IUP_CLOSE)
IupExitLoop();
}
return IUP_NOERROR;
}
void iupwinMenuDialogProc(Ihandle* ih_dialog, UINT msg, WPARAM wp, LPARAM lp)
{
/* called only from winDialogBaseProc */
switch (msg)
{
case WM_INITMENUPOPUP:
{
HMENU hMenu = (HMENU)wp;
Ihandle *ih = iupwinMenuGetHandle(hMenu);
if (ih)
{
Icallback cb = (Icallback)IupGetCallback(ih, "OPEN_CB");
if (!cb && ih->parent) cb = (Icallback)IupGetCallback(ih->parent, "OPEN_CB"); /* check also in the Submenu */
if (cb) cb(ih);
}
break;
}
case WM_UNINITMENUPOPUP:
{
HMENU hMenu = (HMENU)wp;
Ihandle *ih = iupwinMenuGetHandle(hMenu);
if (ih)
{
Icallback cb = (Icallback)IupGetCallback(ih, "MENUCLOSE_CB");
if (!cb && ih->parent) cb = (Icallback)IupGetCallback(ih->parent, "MENUCLOSE_CB"); /* check also in the Submenu */
if (cb) cb(ih);
}
break;
}
case WM_MENUSELECT:
{
HMENU hMenu = (HMENU)lp;
Ihandle *ih;
if (!lp)
break;
if ((HIWORD(wp) & MF_POPUP) || (HIWORD(wp) & MF_SYSMENU)) /* drop-down ih or submenu. */
{
UINT menuindex = LOWORD(wp);
HMENU hsubmenu = GetSubMenu(hMenu, menuindex);
ih = iupwinMenuGetHandle(hsubmenu); /* returns the handle of a IupMenu */
if (ih) ih = ih->parent; /* gets the submenu */
}
else /* ih item */
{
UINT menuID = LOWORD(wp);
ih = iupwinMenuGetItemHandle(hMenu, menuID);
}
if (ih)
{
Icallback cb = IupGetCallback(ih, "HIGHLIGHT_CB");
if (cb) cb(ih);
}
break;
}
case WM_MENUCOMMAND:
{
int menuId = GetMenuItemID((HMENU)lp, (int)wp);
Icallback cb;
Ihandle* ih;
if (menuId >= IUP_MDI_FIRSTCHILD)
break;
ih = iupwinMenuGetItemHandle((HMENU)lp, menuId);
if (!ih)
break;
winItemCheckToggle(ih);
cb = IupGetCallback(ih, "ACTION");
if (cb && cb(ih) == IUP_CLOSE)
IupExitLoop();
break;
}
case WM_ENTERMENULOOP:
{
/* Simulate WM_KILLFOCUS when the menu interaction is started */
Ihandle* lastfocus = (Ihandle*)iupAttribGet(ih_dialog, "_IUPWIN_LASTFOCUS");
if (lastfocus) iupCallKillFocusCb(lastfocus);
break;
}
case WM_EXITMENULOOP:
{
/* Simulate WM_GETFOCUS when the menu interaction is stopped */
Ihandle* lastfocus = (Ihandle*)iupAttribGet(ih_dialog, "_IUPWIN_LASTFOCUS");
if (lastfocus) iupCallGetFocusCb(lastfocus);
break;
}
}
}
int iupwinBaseContainerMsgProc(Ihandle* ih, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result)
{
/* All messages here are sent to the parent Window,
but they are usefull for child controls. */
switch (msg)
{
case WM_COMMAND:
{
Ihandle* child = winContainerWmCommandGetIhandle(ih, wp, lp);
if (child)
{
IFwmCommand cb = (IFwmCommand)IupGetCallback(child, "_IUPWIN_COMMAND_CB");
if (cb)
cb(child, wp, lp);
}
break;
}
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORBTN:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
{
Ihandle* child = iupwinHandleGet((HWND)lp);
if (child && winCheckParent(child, ih))
{
IFctlColor cb = (IFctlColor)IupGetCallback(child, "_IUPWIN_CTLCOLOR_CB");
if (cb)
return cb(child, (HDC)wp, result);
}
break;
}
case WM_DRAWITEM: /* for OWNERDRAW controls */
{
Ihandle *child;
DRAWITEMSTRUCT *drawitem = (LPDRAWITEMSTRUCT)lp;
if (!drawitem)
break;
if (wp == 0) /* a menu */
child = iupwinMenuGetItemHandle((HMENU)drawitem->hwndItem, drawitem->itemID);
else
{
child = iupwinHandleGet(drawitem->hwndItem);
if (child && !winCheckParent(child, ih))
child = NULL;
}
if (child)
{
IFdrawItem cb = (IFdrawItem)IupGetCallback(child, "_IUPWIN_DRAWITEM_CB");
if (cb)
{
cb(child, (void*)drawitem);
*result = TRUE;
return 1;
}
}
break;
}
case WM_HSCROLL:
case WM_VSCROLL:
{
Ihandle *child = iupwinHandleGet((HWND)lp);
if (child && winCheckParent(child, ih))
{
IFni cb = (IFni)IupGetCallback(child, "_IUPWIN_CUSTOMSCROLL_CB");
if (cb)
cb(child, LOWORD(wp));
}
break;
}
case WM_NOTIFY: /* Currently, the following controls support custom draw functionality:
Header, List-view, Rebar, Toolbar, ToolTip, Trackbar, Tree-view.
And for Button if using Windows XP Style. */
{
Ihandle *child;
NMHDR* msg_info = (NMHDR*)lp;
if (!msg_info)
break;
child = iupwinHandleGet(msg_info->hwndFrom);
if (child && winCheckParent(child, ih))
{
IFnotify cb = (IFnotify)IupGetCallback(child, "_IUPWIN_NOTIFY_CB");
if (cb)
{
int ret;
if (cb(child, (void*)msg_info, &ret))
{
*result = (LRESULT)ret;
return 1;
}
}
}
break;
}
default:
{
/* sent to the list parent */
if (msg == WM_DRAGLISTMSG)
{
DRAGLISTINFO* lpDrag = (DRAGLISTINFO*) lp;
Ihandle *child = iupwinHandleGet(lpDrag->hWnd);
if (child && winCheckParent(child, ih))
{
*result = iupwinListDND(child, lpDrag->uNotification, lpDrag->ptCursor);
return 1;
}
}
break;
}
}
return iupwinBaseMsgProc(ih, msg, wp, lp, result);
}
int iupwinBaseMsgProc(Ihandle* ih, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result)
{
switch (msg)
{
case WM_INPUTLANGCHANGE:
iupwinKeyInit();
break;
case WM_GETDLGCODE:
{
*result = DLGC_WANTALLKEYS;
return 1;
}
case WM_NOTIFY: /* usually sent only to parent, */
{ /* but TIPs are configured to be handled here */
NMHDR* msg_info = (NMHDR*)lp;
if (msg_info->code == TTN_GETDISPINFO)
iupwinTipsGetDispInfo(lp);
break;
}
case WM_DROPFILES:
iupwinDropFiles((HDROP)wp, ih);
break;
case WM_LBUTTONDOWN:
if(iupAttribGetBoolean(ih, "DRAGSOURCE"))
{
if (iupwinDragStart(ih))
{
*result = 0;
return 1; /* abort default processing */
}
}
break;
case WM_HELP:
{
Ihandle* child;
HELPINFO* help_info = (HELPINFO*)lp;
if (help_info->iContextType == HELPINFO_MENUITEM)
child = iupwinMenuGetItemHandle((HMENU)help_info->hItemHandle, (int)help_info->iCtrlId);
else
child = iupwinHandleGet((HWND)help_info->hItemHandle);
if (child)
{
Icallback cb = (Icallback) IupGetCallback(child, "HELP_CB");
if (cb)
{
if (cb(child) == IUP_CLOSE)
IupExitLoop();
*result = 0;
return 1; /* abort default processing */
}
}
break;
}
case WM_MOUSELEAVE:
{
Icallback leave_cb = IupGetCallback(ih, "LEAVEWINDOW_CB");
if (leave_cb)
leave_cb(ih);
iupAttribSet(ih, "_IUPWIN_ENTERWIN", NULL); /* enable tracking again */
break;
}
case WM_MOUSEHOVER:
{
Icallback enter_cb = IupGetCallback(ih, "ENTERWINDOW_CB");
if (enter_cb)
enter_cb(ih);
break;
}
case WM_MOUSEMOVE:
{
/* set tracking only once, but only until track message is processed. */
if (!iupAttribGet(ih, "_IUPWIN_ENTERWIN"))
{
/* set tracking only if enter or leave callbacks are defined */
Icallback enter_cb = IupGetCallback(ih, "ENTERWINDOW_CB");
Icallback leave_cb = IupGetCallback(ih, "LEAVEWINDOW_CB");
if (enter_cb || leave_cb)
{
/* must be called so WM_MOUSEHOVER and WM_MOUSELEAVE will be called */
winTrackMouseHoverLeave(ih);
iupAttribSet(ih, "_IUPWIN_ENTERWIN", "1");
}
}
break;
}
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
if (!iupwinKeyEvent(ih, (int)wp, 1))
{
*result = 0;
return 1; /* abort default processing */
}
break;
case WM_SYSKEYUP:
case WM_KEYUP:
{
int ret;
if (wp == VK_SNAPSHOT) /* called only on key up */
{
ret = iupwinKeyEvent(ih, (int)wp, 1);
if (ret && iupObjectCheck(ih))
ret = iupwinKeyEvent(ih, (int)wp, 0);
}
else
ret = iupwinKeyEvent(ih, (int)wp, 0);
if (!ret)
{
*result = 0;
return 1; /* abort default processing */
}
break;
}
case WM_SETFOCUS:
/* TODO: Not setting WS_TABSTOP still allows the control
to receive the focus when clicked.
But this code does make several controls
with CANFOCUS=NO to stop working.
So we use it inside some of the controls. */
/* if (!iupAttribGetBoolean(ih, "CANFOCUS"))
{
HWND previous = (HWND)wp;
if (previous && previous != ih->handle)
SetFocus(previous);
break;
} */
iupwinWmSetFocus(ih);
break;
case WM_KILLFOCUS:
iupCallKillFocusCb(ih);
break;
case WM_SETCURSOR:
{
if (ih->handle == (HWND)wp && LOWORD(lp)==HTCLIENT)
{
HCURSOR hCur = (HCURSOR)iupAttribGet(ih, "_IUPWIN_HCURSOR");
if (hCur)
{
SetCursor(hCur);
*result = 1;
return 1;
}
else if (iupAttribGet(ih, "CURSOR"))
{
SetCursor(NULL);
*result = 1;
return 1;
}
}
break;
}
case WM_TOUCH:
/* TODO:
- considering touch messages are greedy, one window got it all?
- how this work? only for the dialog, or also for the children?
- should a container forward to its children?
*/
if (LOWORD(wp))
iupwinTouchProcessInput(ih, (int)LOWORD(wp), (void*)lp);
break;
case WOM_CLOSE:
case WOM_DONE:
case WOM_OPEN:
{
IFni cb = (IFni)IupGetCallback(ih, "WOM_CB");
if (cb)
{
int v = -2; /* Error */
switch(msg)
{
case WOM_OPEN: v = 1; break;
case WOM_DONE: v = 0; break;
case WOM_CLOSE: v = -1; break;
}
cb(ih, v);
}
break;
}
}
return 0;
}
