/////////////////////////////////////////////////////////////////////////////
// Name: src/msw/frame.cpp
// Purpose: wxFrame
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/frame.h"
#ifndef WX_PRECOMP
#include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
#include "wx/app.h"
#include "wx/menu.h"
#include "wx/utils.h"
#include "wx/dialog.h"
#include "wx/settings.h"
#include "wx/dcclient.h"
#include "wx/mdi.h"
#include "wx/panel.h"
#include "wx/log.h"
#include "wx/toolbar.h"
#include "wx/statusbr.h"
#include "wx/menuitem.h"
#endif // WX_PRECOMP
#include "wx/msw/private.h"
#include "wx/generic/statusbr.h"
#ifdef __WXUNIVERSAL__
#include "wx/univ/theme.h"
#include "wx/univ/colschem.h"
#endif // __WXUNIVERSAL__
#if wxUSE_TASKBARBUTTON
#include "wx/msw/taskbarbutton.h"
#include "wx/dynlib.h"
WXUINT wxMsgTaskbarButtonCreated = 0;
#define wxTHBN_CLICKED 0x1800
#define wxMSGFLT_ADD 0x01
#endif // wxUSE_TASKBARBUTTON
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
#if wxUSE_MENUS || wxUSE_MENUS_NATIVE
extern wxMenu *wxCurrentPopupMenu;
#endif // wxUSE_MENUS || wxUSE_MENUS_NATIVE
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
wxEND_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// static class members
// ----------------------------------------------------------------------------
#if wxUSE_STATUSBAR
#if wxUSE_NATIVE_STATUSBAR
bool wxFrame::m_useNativeStatusBar = true;
#else
bool wxFrame::m_useNativeStatusBar = false;
#endif
#endif // wxUSE_NATIVE_STATUSBAR
// ----------------------------------------------------------------------------
// creation/destruction
// ----------------------------------------------------------------------------
void wxFrame::Init()
{
#if wxUSE_MENUS
m_hMenu = NULL;
m_menuDepth = 0;
#endif // wxUSE_MENUS
#if wxUSE_TOOLTIPS
m_hwndToolTip = 0;
#endif
m_wasMinimized = false;
#if wxUSE_TASKBARBUTTON
m_taskBarButton = NULL;
#endif
}
bool wxFrame::Create(wxWindow *parent,
wxWindowID id,
const wxString& title,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
return false;
SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
#if wxUSE_TASKBARBUTTON
static bool s_taskbarButtonCreatedMsgRegistered = false;
if ( !s_taskbarButtonCreatedMsgRegistered )
{
s_taskbarButtonCreatedMsgRegistered = true;
wxMsgTaskbarButtonCreated =
::RegisterWindowMessage(wxT("TaskbarButtonCreated"));
// In case the application is run elevated, allow the
// TaskbarButtonCreated and WM_COMMAND messages through.
#if wxUSE_DYNLIB_CLASS
typedef BOOL (WINAPI *ChangeWindowMessageFilter_t)(UINT message,
DWORD dwFlag);
wxDynamicLibrary dllUser32(wxT("user32.dll"));
ChangeWindowMessageFilter_t pfnChangeWindowMessageFilter = NULL;
wxDL_INIT_FUNC(pfn, ChangeWindowMessageFilter, dllUser32);
if ( pfnChangeWindowMessageFilter )
{
pfnChangeWindowMessageFilter(wxMsgTaskbarButtonCreated,
wxMSGFLT_ADD);
pfnChangeWindowMessageFilter(WM_COMMAND, wxMSGFLT_ADD);
}
#else
ChangeWindowMessageFilter(wxMsgTaskbarButtonCreated, wxMSGFLT_ADD);
ChangeWindowMessageFilter(WM_COMMAND, wxMSGFLT_ADD);
#endif // wxUSE_DYNLIB_CLASS
}
#endif // wxUSE_TASKBARBUTTON
return true;
}
wxFrame::~wxFrame()
{
#if wxUSE_TASKBARBUTTON
delete m_taskBarButton;
#endif
}
// ----------------------------------------------------------------------------
// wxFrame client size calculations
// ----------------------------------------------------------------------------
void wxFrame::DoSetClientSize(int width, int height)
{
// leave enough space for the status bar if we have (and show) it
#if wxUSE_STATUSBAR
wxStatusBar *statbar = GetStatusBar();
if ( statbar && statbar->IsShown() )
{
height += statbar->GetSize().y;
}
#endif // wxUSE_STATUSBAR
// call GetClientAreaOrigin() to take the toolbar into account
wxPoint pt = GetClientAreaOrigin();
width += pt.x;
height += pt.y;
#if wxUSE_TOOLBAR
wxToolBar * const toolbar = GetToolBar();
if ( toolbar )
{
if ( toolbar->HasFlag(wxTB_RIGHT | wxTB_BOTTOM) )
{
const wxSize sizeTB = toolbar->GetSize();
if ( toolbar->HasFlag(wxTB_RIGHT) )
width -= sizeTB.x;
else // wxTB_BOTTOM
height -= sizeTB.y;
}
//else: toolbar already taken into account by GetClientAreaOrigin()
}
#endif // wxUSE_TOOLBAR
wxTopLevelWindow::DoSetClientSize(width, height);
}
// Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
void wxFrame::DoGetClientSize(int *x, int *y) const
{
wxTopLevelWindow::DoGetClientSize(x, y);
// account for the possible toolbar
wxPoint pt = GetClientAreaOrigin();
if ( x )
*x -= pt.x;
if ( y )
*y -= pt.y;
#if wxUSE_TOOLBAR
wxToolBar * const toolbar = GetToolBar();
if ( toolbar )
{
if ( toolbar->HasFlag(wxTB_RIGHT | wxTB_BOTTOM) )
{
const wxSize sizeTB = toolbar->GetSize();
if ( toolbar->HasFlag(wxTB_RIGHT) )
{
if ( x )
*x -= sizeTB.x;
}
else // wxTB_BOTTOM
{
if ( y )
*y -= sizeTB.y;
}
}
//else: toolbar already taken into account by GetClientAreaOrigin()
}
#endif // wxUSE_TOOLBAR
#if wxUSE_STATUSBAR
// adjust client area height to take the status bar into account
if ( y )
{
wxStatusBar *statbar = GetStatusBar();
if ( statbar && statbar->IsShown() )
{
*y -= statbar->GetSize().y;
}
}
#endif // wxUSE_STATUSBAR
}
// ----------------------------------------------------------------------------
// wxFrame: various geometry-related functions
// ----------------------------------------------------------------------------
// generate an artificial resize event
void wxFrame::SendSizeEvent(int flags)
{
if ( !MSWIsIconized() )
{
RECT r = wxGetWindowRect(GetHwnd());
if ( flags & wxSEND_EVENT_POST )
{
::PostMessage(GetHwnd(), WM_SIZE,
IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
MAKELPARAM(r.right - r.left, r.bottom - r.top));
}
else // send it
{
::SendMessage(GetHwnd(), WM_SIZE,
IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
MAKELPARAM(r.right - r.left, r.bottom - r.top));
}
}
}
#if wxUSE_STATUSBAR
wxStatusBar *wxFrame::OnCreateStatusBar(int number,
long style,
wxWindowID id,
const wxString& name)
{
wxStatusBar *statusBar wxDUMMY_INITIALIZE(NULL);
#if wxUSE_NATIVE_STATUSBAR
if ( !UsesNativeStatusBar() )
{
statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
}
else
#endif
{
statusBar = new wxStatusBar(this, id, style, name);
}
statusBar->SetFieldsCount(number);
return statusBar;
}
void wxFrame::PositionStatusBar()
{
if ( !m_frameStatusBar || !m_frameStatusBar->IsShown() )
return;
int w, h;
GetClientSize(&w, &h);
int x = 0;
#if wxUSE_TOOLBAR
wxToolBar * const toolbar = GetToolBar();
if ( toolbar && !toolbar->HasFlag(wxTB_TOP) )
{
const wxSize sizeTB = toolbar->GetSize();
if ( toolbar->HasFlag(wxTB_LEFT | wxTB_RIGHT) )
{
if ( toolbar->HasFlag(wxTB_LEFT) )
x -= sizeTB.x;
w += sizeTB.x;
}
else // wxTB_BOTTOM
{
// we need to position the status bar below the toolbar
h += sizeTB.y;
}
}
//else: no adjustments necessary for the toolbar on top
#endif // wxUSE_TOOLBAR
// Resize the status bar to its default height, as it could have been set
// to a wrong value before by WM_SIZE sent during the frame creation and
// our status bars preserve their programmatically set size to avoid being
// resized by DefWindowProc() to the full window width, so if we didn't do
// this here, the status bar would retain the possibly wrong current height.
m_frameStatusBar->SetSize(x, h, w, wxDefaultCoord, wxSIZE_AUTO_HEIGHT);
int sw, sh;
m_frameStatusBar->GetSize(&sw, &sh);
// Since we wish the status bar to be directly under the client area,
// we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
m_frameStatusBar->SetSize(x, h, w, sh);
}
#endif // wxUSE_STATUSBAR
#if wxUSE_MENUS_NATIVE
void wxFrame::AttachMenuBar(wxMenuBar *menubar)
{
wxFrameBase::AttachMenuBar(menubar);
if ( !menubar )
{
// actually remove the menu from the frame
m_hMenu = (WXHMENU)0;
InternalSetMenuBar();
}
else // set new non NULL menu bar
{
// Can set a menubar several times.
if ( menubar->GetHMenu() )
{
m_hMenu = menubar->GetHMenu();
}
else // no HMENU yet
{
m_hMenu = menubar->Create();
if ( !m_hMenu )
{
wxFAIL_MSG( wxT("failed to create menu bar") );
return;
}
}
InternalSetMenuBar();
}
}
void wxFrame::InternalSetMenuBar()
{
if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
{
wxLogLastError(wxT("SetMenu"));
}
}
#endif // wxUSE_MENUS_NATIVE
#if wxUSE_MENUS && !defined(__WXUNIVERSAL__)
bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
{
// Unfortunately we need to ignore a message which is sent after
// closing the currently active submenu of the menu bar by pressing Escape:
// in this case we get WM_UNINITMENUPOPUP, from which we generate
// wxEVT_MENU_CLOSE, and _then_ we get WM_MENUSELECT for the top level menu
// from which we overwrite the help string just restored by OnMenuClose()
// handler in wxFrameBase. To prevent this from happening we discard these
// messages but only in the case it's really the top level menu as we still
// need to clear the help string when a submenu is selected in a menu.
if ( flags == (MF_POPUP | MF_HILITE) && !m_menuDepth )
return false;
return wxWindow::HandleMenuSelect(nItem, flags, hMenu);
}
bool wxFrame::DoSendMenuOpenCloseEvent(wxEventType evtType, wxMenu* menu)
{
// Update the menu depth when dealing with the top level menus.
if ( !menu || menu->IsAttached() )
{
if ( evtType == wxEVT_MENU_OPEN )
{
m_menuDepth++;
}
else if ( evtType == wxEVT_MENU_CLOSE )
{
wxASSERT_MSG( m_menuDepth > 0, wxS("No open menus?") );
m_menuDepth--;
}
else
{
wxFAIL_MSG( wxS("Unexpected menu event type") );
}
}
return wxWindow::DoSendMenuOpenCloseEvent(evtType, menu);
}
wxMenu* wxFrame::MSWFindMenuFromHMENU(WXHMENU hMenu)
{
if ( wxMenuBar* mbar = GetMenuBar() )
{
if ( wxMenu* menu = mbar->MSWGetMenu(hMenu) )
return menu;
}
return wxFrameBase::MSWFindMenuFromHMENU(hMenu);
}
#endif // wxUSE_MENUS && !defined(__WXUNIVERSAL__)
#if wxUSE_TASKBARBUTTON
wxTaskBarButton* wxFrame::MSWGetTaskBarButton()
{
if ( !m_taskBarButton )
m_taskBarButton = wxTaskBarButton::New(this);
return m_taskBarButton;
}
#endif // wxUSE_TASKBARBUTTON
// Responds to colour changes, and passes event on to children.
void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
{
// Don't override the colour explicitly set by the user, if any.
if ( !UseBgCol() )
{
SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
Refresh();
}
#if wxUSE_STATUSBAR
if ( m_frameStatusBar )
{
wxSysColourChangedEvent event2;
event2.SetEventObject( m_frameStatusBar );
m_frameStatusBar->HandleWindowEvent(event2);
}
#endif // wxUSE_STATUSBAR
// Propagate the event to the non-top-level children
wxWindow::OnSysColourChanged(event);
}
// Pass true to show full screen, false to restore.
bool wxFrame::ShowFullScreen(bool show, long style)
{
if ( IsFullScreen() == show )
return false;
if (show)
{
// zap the toolbar, menubar, and statusbar if needed
#if wxUSE_TOOLBAR
wxToolBar *theToolBar = GetToolBar();
if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
{
if ( theToolBar->IsShown() )
{
theToolBar->SetSize(wxDefaultCoord,0);
theToolBar->Show(false);
}
else // prevent it from being restored later
{
style &= ~wxFULLSCREEN_NOTOOLBAR;
}
}
#endif // wxUSE_TOOLBAR
if (style & wxFULLSCREEN_NOMENUBAR)
SetMenu((HWND)GetHWND(), (HMENU) NULL);
#if wxUSE_STATUSBAR
wxStatusBar *theStatusBar = GetStatusBar();
// Save the number of fields in the statusbar
if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
{
if ( theStatusBar->IsShown() )
theStatusBar->Show(false);
else
style &= ~wxFULLSCREEN_NOSTATUSBAR;
}
#endif // wxUSE_STATUSBAR
}
else // restore to normal
{
// restore the toolbar, menubar, and statusbar if we had hid them
#if wxUSE_TOOLBAR
wxToolBar *theToolBar = GetToolBar();
if ((m_fsStyle & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
{
theToolBar->Show(true);
}
#endif // wxUSE_TOOLBAR
#if wxUSE_MENUS
if (m_fsStyle & wxFULLSCREEN_NOMENUBAR)
{
const WXHMENU hmenu = MSWGetActiveMenu();
if ( hmenu )
::SetMenu(GetHwnd(), (HMENU)hmenu);
}
#endif // wxUSE_MENUS
#if wxUSE_STATUSBAR
wxStatusBar *theStatusBar = GetStatusBar();
if ((m_fsStyle & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
{
theStatusBar->Show(true);
PositionStatusBar();
}
#endif // wxUSE_STATUSBAR
}
return wxFrameBase::ShowFullScreen(show, style);
}
// ----------------------------------------------------------------------------
// tool/status bar stuff
// ----------------------------------------------------------------------------
#if wxUSE_TOOLBAR
wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
{
if ( wxFrameBase::CreateToolBar(style, id, name) )
{
PositionToolBar();
}
return m_frameToolBar;
}
void wxFrame::PositionToolBar()
{
wxToolBar *toolbar = GetToolBar();
if ( toolbar && toolbar->IsShown() )
{
// don't call our (or even wxTopLevelWindow) version because we want
// the real (full) client area size, not excluding the tool/status bar
int width, height;
wxWindow::DoGetClientSize(&width, &height);
#if wxUSE_STATUSBAR
wxStatusBar *statbar = GetStatusBar();
if ( statbar && statbar->IsShown() )
{
height -= statbar->GetClientSize().y;
}
#endif // wxUSE_STATUSBAR
int tx, ty, tw, th;
toolbar->GetPosition( &tx, &ty );
toolbar->GetSize( &tw, &th );
int x, y;
if ( toolbar->HasFlag(wxTB_BOTTOM) )
{
x = 0;
y = height - th;
}
else if ( toolbar->HasFlag(wxTB_RIGHT) )
{
x = width - tw;
y = 0;
}
else // left or top
{
x = 0;
y = 0;
}
if ( toolbar->HasFlag(wxTB_BOTTOM) )
{
if ( ty < 0 && ( -ty == th ) )
ty = height - th;
if ( tx < 0 && (-tx == tw ) )
tx = 0;
}
else if ( toolbar->HasFlag(wxTB_RIGHT) )
{
if( ty < 0 && ( -ty == th ) )
ty = 0;
if( tx < 0 && ( -tx == tw ) )
tx = width - tw;
}
else // left or top
{
if (ty < 0 && (-ty == th))
ty = 0;
if (tx < 0 && (-tx == tw))
tx = 0;
}
int desiredW,
desiredH;
if ( toolbar->IsVertical() )
{
desiredW = tw;
desiredH = height;
}
else
{
desiredW = width;
desiredH = th;
}
// use the 'real' MSW position here, don't offset relatively to the
// client area origin
toolbar->SetSize(x, y, desiredW, desiredH, wxSIZE_NO_ADJUSTMENTS);
}
}
#endif // wxUSE_TOOLBAR
// ----------------------------------------------------------------------------
// frame state (iconized/maximized/...)
// ----------------------------------------------------------------------------
// propagate our state change to all child frames: this allows us to emulate X
// Windows behaviour where child frames float independently of the parent one
// on the desktop, but are iconized/restored with it
void wxFrame::IconizeChildFrames(bool bIconize)
{
m_showCmd = bIconize ? SW_MINIMIZE : SW_RESTORE;
for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
node;
node = node->GetNext() )
{
wxWindow *win = node->GetData();
// iconizing the frames with this style puts them at the bottom of
// the screen (as the MDI children) instead of making them appear
// in the taskbar because they are, by virtue of this style, not
// managed by the taskbar - instead leave Windows take care of them
if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
continue;
// the child MDI frames are a special case and should not be touched by
// the parent frame - instead, they are managed by the user
wxFrame *frame = wxDynamicCast(win, wxFrame);
if ( frame
#if wxUSE_MDI_ARCHITECTURE
&& !frame->IsMDIChild()
#endif // wxUSE_MDI_ARCHITECTURE
)
{
// we don't want to restore the child frames which had been
// iconized even before we were iconized, so save the child frame
// status when iconizing the parent frame and check it when
// restoring it
if ( bIconize )
{
frame->m_wasMinimized = frame->IsIconized();
}
// note that we shouldn't touch the hidden frames neither because
// iconizing/restoring them would show them as a side effect
if ( !frame->m_wasMinimized && frame->IsShown() )
frame->Iconize(bIconize);
}
}
}
WXHICON wxFrame::GetDefaultIcon() const
{
// we don't have any standard icons (any more)
return (WXHICON)0;
}
// ===========================================================================
// message processing
// ===========================================================================
// ---------------------------------------------------------------------------
// preprocessing
// ---------------------------------------------------------------------------
bool wxFrame::MSWDoTranslateMessage(wxFrame *frame, WXMSG *pMsg)
{
if ( wxWindow::MSWTranslateMessage(pMsg) )
return true;
#if wxUSE_MENUS && wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
// try the menu bar accelerators
wxMenuBar *menuBar = GetMenuBar();
if ( menuBar && menuBar->GetAcceleratorTable()->Translate(frame, pMsg) )
return true;
#endif // wxUSE_MENUS && wxUSE_ACCEL
return false;
}
// ---------------------------------------------------------------------------
// our private (non virtual) message handlers
// ---------------------------------------------------------------------------
bool wxFrame::HandleSize(int WXUNUSED(x), int WXUNUSED(y), WXUINT id)
{
// We can get a WM_SIZE when restoring a hidden window using
// SetWindowPlacement(), don't do anything here in this case as our state
// will be really updated later, when (and if) we're shown. Still let the
// base class generate wxEVT_SIZE and perform the layout, however.
if ( !IsShown() )
return false;
switch ( id )
{
case SIZE_RESTORED:
case SIZE_MAXIMIZED:
// only do it it if we were iconized before, otherwise resizing the
// parent frame has a curious side effect of bringing it under it's
// children
if ( m_showCmd != SW_MINIMIZE )
break;
// restore all child frames too
IconizeChildFrames(false);
(void)SendIconizeEvent(false);
break;
case SIZE_MINIMIZED:
// iconize all child frames too
IconizeChildFrames(true);
break;
}
if ( m_showCmd != SW_MINIMIZE )
{
#if wxUSE_STATUSBAR
PositionStatusBar();
#endif // wxUSE_STATUSBAR
#if wxUSE_TOOLBAR
PositionToolBar();
#endif // wxUSE_TOOLBAR
}
// call the base class version to generate the appropriate events
return false;
}
bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
{
#if wxUSE_MENUS
// we only need to handle the menu and accelerator commands from the items
// of our menu bar, base wxWindow class already handles the rest
if ( !control && (cmd == 0 /* menu */ || cmd == 1 /* accel */) )
{
#if wxUSE_MENUS_NATIVE
if ( !wxCurrentPopupMenu )
#endif // wxUSE_MENUS_NATIVE
{
wxMenuItem * const mitem = FindItemInMenuBar((signed short)id);
if ( mitem )
return ProcessCommand(mitem);
}
}
#endif // wxUSE_MENUS
#if wxUSE_TASKBARBUTTON
if ( cmd == wxTHBN_CLICKED && m_taskBarButton )
{
wxTaskBarButtonImpl * const
tbButton = reinterpret_cast<wxTaskBarButtonImpl*>(m_taskBarButton);
// we use the index as id when adding thumbnail toolbar button.
wxThumbBarButton * const
thumbBarButton = tbButton->GetThumbBarButtonByIndex(id);
wxCommandEvent event(wxEVT_BUTTON, thumbBarButton->GetID());
event.SetEventObject(thumbBarButton);
return ProcessEvent(event);
}
#endif // wxUSE_TASKBARBUTTON
return wxFrameBase::HandleCommand(id, cmd, control);;
}
// ---------------------------------------------------------------------------
// the window proc for wxFrame
// ---------------------------------------------------------------------------
WXLRESULT wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
WXLRESULT rc = 0;
bool processed = false;
switch ( message )
{
case WM_CLOSE:
// if we can't close, tell the system that we processed the
// message - otherwise it would close us
processed = !Close();
break;
case WM_SIZE:
processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
break;
case WM_COMMAND:
{
WORD id, cmd;
WXHWND hwnd;
UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
&id, &hwnd, &cmd);
HandleCommand(id, cmd, (WXHWND)hwnd);
// don't pass WM_COMMAND to the base class whether we processed
// it or not because we did generate an event for it (our
// HandleCommand() calls the base class version) and we must
// not do it again or the handlers which skip the event would
// be called twice
processed = true;
}
break;
case WM_INITMENUPOPUP:
case WM_UNINITMENUPOPUP:
// We get these messages from the menu bar even if the menu is
// disabled, which is unexpected, so ignore them in this case.
if ( wxMenuBar* mbar = GetMenuBar() )
{
const int pos = mbar->MSWGetTopMenuPos((WXHMENU)wParam);
if ( pos != wxNOT_FOUND && !mbar->IsEnabledTop(pos) )
{
// This event comes from a disabled top level menu, don't
// handle it.
return MSWDefWindowProc(message, wParam, lParam);
}
}
break;
case WM_QUERYDRAGICON:
{
const wxIcon& icon = GetIcon();
HICON hIcon = icon.IsOk() ? GetHiconOf(icon)
: (HICON)GetDefaultIcon();
rc = (WXLRESULT)hIcon;
processed = rc != 0;
}
break;
}
#if wxUSE_TASKBARBUTTON
if ( message == wxMsgTaskbarButtonCreated )
{
if ( m_taskBarButton )
m_taskBarButton->Realize();
processed = true;
}
#endif
if ( !processed )
rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);
return rc;
}
// ----------------------------------------------------------------------------
// wxFrame size management: we exclude the areas taken by menu/status/toolbars
// from the client area, so the client area is what's really available for the
// frame contents
// ----------------------------------------------------------------------------
// get the origin of the client area in the client coordinates
wxPoint wxFrame::GetClientAreaOrigin() const
{
wxPoint pt = wxTopLevelWindow::GetClientAreaOrigin();
#if wxUSE_TOOLBAR && !defined(__WXUNIVERSAL__)
wxToolBar * const toolbar = GetToolBar();
if ( toolbar && toolbar->IsShown() )
{
const wxSize sizeTB = toolbar->GetSize();
if ( toolbar->HasFlag(wxTB_TOP) )
{
pt.y += sizeTB.y;
}
else if ( toolbar->HasFlag(wxTB_LEFT) )
{
pt.x += sizeTB.x;
}
}
#endif // wxUSE_TOOLBAR
return pt;
}
↑ V572 It is odd that the object which was created using 'new' operator is immediately cast to another type.