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wxwidgets/src/msw/frame.cpp
Vadim Zeitlin 1311c7a9bb wxCHECK/wxCHECK_RET changes 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@132 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-06-22 22:17:39 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: frame.cpp
// Purpose: wxFrame
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "frame.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/setup.h"
#include "wx/frame.h"
#include "wx/menu.h"
#include "wx/app.h"
#include "wx/utils.h"
#include "wx/dialog.h"
#include "wx/settings.h"
#include "wx/dcclient.h"
#endif
#include "wx/msw/private.h"
#include "wx/statusbr.h"
#include "wx/menuitem.h"
#ifdef LoadAccelerators
#undef LoadAccelerators
#endif
#if USE_NATIVE_STATUSBAR
#include <wx/msw/statbr95.h>
#endif
extern wxList wxModelessWindows;
extern wxList wxPendingDelete;
extern char wxFrameClassName[];
#if !USE_SHARED_LIBRARY
BEGIN_EVENT_TABLE(wxFrame, wxWindow)
EVT_SIZE(wxFrame::OnSize)
EVT_ACTIVATE(wxFrame::OnActivate)
EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
EVT_IDLE(wxFrame::OnIdle)
EVT_CLOSE(wxFrame::OnCloseWindow)
END_EVENT_TABLE()
IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
#endif
#if USE_NATIVE_STATUSBAR
bool wxFrame::m_useNativeStatusBar = TRUE;
#else
bool wxFrame::m_useNativeStatusBar = FALSE;
#endif
wxFrame::wxFrame(void)
{
m_frameMenuBar = NULL;
m_frameStatusBar = NULL;
m_windowParent = NULL;
m_iconized = FALSE;
}
bool wxFrame::Create(wxWindow *parent,
const wxWindowID id,
const wxString& title,
const wxPoint& pos,
const wxSize& size,
const long style,
const wxString& name)
{
if (!parent)
wxTopLevelWindows.Append(this);
SetName(name);
// m_modalShowing = FALSE;
m_windowStyle = style;
m_frameMenuBar = NULL;
m_frameStatusBar = NULL;
SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
// m_icon = NULL;
if ( id > -1 )
m_windowId = id;
else
m_windowId = (int)NewControlId();
if (parent) parent->AddChild(this);
int x = pos.x;
int y = pos.y;
int width = size.x;
int height = size.y;
m_iconized = FALSE;
MSWCreate(m_windowId, (wxWindow *)parent, wxFrameClassName, this, (char *)(const char *)title,
x, y, width, height, style);
wxModelessWindows.Append(this);
return TRUE;
}
wxFrame::~wxFrame(void)
{
m_isBeingDeleted = TRUE;
wxTopLevelWindows.DeleteObject(this);
if (m_frameStatusBar)
delete m_frameStatusBar;
if (m_frameMenuBar)
delete m_frameMenuBar;
/* New behaviour March 1998: check if it's the last top-level window */
// if (wxTheApp && (this == wxTheApp->GetTopWindow()))
if (wxTheApp && (wxTopLevelWindows.Number() == 0))
{
wxTheApp->SetTopWindow(NULL);
if (wxTheApp->GetExitOnFrameDelete())
{
PostQuitMessage(0);
}
}
wxModelessWindows.DeleteObject(this);
// For some reason, wxWindows can activate another task altogether
// when a frame is destroyed after a modal dialog has been invoked.
// Try to bring the parent to the top.
if (GetParent() && GetParent()->GetHWND())
::BringWindowToTop((HWND) GetParent()->GetHWND());
}
WXHMENU wxFrame::GetWinMenu(void) const
{
return m_hMenu;
}
// Get size *available for subwindows* i.e. excluding menu bar etc.
// For XView, this is the same as GetSize
void wxFrame::GetClientSize(int *x, int *y) const
{
RECT rect;
GetClientRect((HWND) GetHWND(), &rect);
if ( m_frameStatusBar )
{
int statusX, statusY;
m_frameStatusBar->GetClientSize(&statusX, &statusY);
rect.bottom -= statusY;
}
*x = rect.right;
*y = rect.bottom;
}
// Set the client size (i.e. leave the calculation of borders etc.
// to wxWindows)
void wxFrame::SetClientSize(const int width, const int height)
{
HWND hWnd = (HWND) GetHWND();
RECT rect;
GetClientRect(hWnd, &rect);
RECT rect2;
GetWindowRect(hWnd, &rect2);
// Find the difference between the entire window (title bar and all)
// and the client area; add this to the new client size to move the
// window
int actual_width = rect2.right - rect2.left - rect.right + width;
int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
if ( m_frameStatusBar )
{
int statusX, statusY;
m_frameStatusBar->GetClientSize(&statusX, &statusY);
actual_height += statusY;
}
POINT point;
point.x = rect2.left;
point.y = rect2.top;
MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
#if WXWIN_COMPATIBILITY
GetEventHandler()->OldOnSize(width, height);
#else
wxSizeEvent event(wxSize(width, height), m_windowId);
event.SetEventObject( this );
GetEventHandler()->ProcessEvent(event);
#endif
}
void wxFrame::GetSize(int *width, int *height) const
{
RECT rect;
GetWindowRect((HWND) GetHWND(), &rect);
*width = rect.right - rect.left;
*height = rect.bottom - rect.top;
}
void wxFrame::GetPosition(int *x, int *y) const
{
RECT rect;
GetWindowRect((HWND) GetHWND(), &rect);
POINT point;
point.x = rect.left;
point.y = rect.top;
*x = point.x;
*y = point.y;
}
void wxFrame::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
{
int currentX, currentY;
int x1 = x;
int y1 = y;
int w1 = width;
int h1 = height;
GetPosition(&currentX, &currentY);
if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
x1 = currentX;
if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
y1 = currentY;
int ww,hh ;
GetSize(&ww,&hh) ;
if (width == -1) w1 = ww ;
if (height==-1) h1 = hh ;
MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, (BOOL)TRUE);
#if WXWIN_COMPATIBILITY
GetEventHandler()->OldOnSize(width, height);
#else
wxSizeEvent event(wxSize(width, height), m_windowId);
event.SetEventObject( this );
GetEventHandler()->ProcessEvent(event);
#endif
}
bool wxFrame::Show(const bool show)
{
int cshow;
if (show)
cshow = SW_SHOW;
else
cshow = SW_HIDE;
if (!show)
{
// Try to highlight the correct window (the parent)
HWND hWndParent = 0;
if (GetParent())
{
hWndParent = (HWND) GetParent()->GetHWND();
if (hWndParent)
::BringWindowToTop(hWndParent);
}
}
ShowWindow((HWND) GetHWND(), (BOOL)cshow);
if (show)
{
BringWindowToTop((HWND) GetHWND());
#if WXWIN_COMPATIBILITY
OldOnActivate(TRUE);
#else
wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
event.SetEventObject( this );
GetEventHandler()->ProcessEvent(event);
#endif
}
return TRUE;
}
void wxFrame::Iconize(const bool iconize)
{
if (!iconize)
Show(TRUE);
int cshow;
if (iconize)
cshow = SW_MINIMIZE;
else
cshow = SW_RESTORE;
ShowWindow((HWND) GetHWND(), (BOOL)cshow);
m_iconized = iconize;
}
// Equivalent to maximize/restore in Windows
void wxFrame::Maximize(const bool maximize)
{
Show(TRUE);
int cshow;
if (maximize)
cshow = SW_MAXIMIZE;
else
cshow = SW_RESTORE;
ShowWindow((HWND) GetHWND(), cshow);
m_iconized = FALSE;
}
bool wxFrame::IsIconized(void) const
{
((wxFrame *)this)->m_iconized = (::IsIconic((HWND) GetHWND()) != 0);
return m_iconized;
}
void wxFrame::SetTitle(const wxString& title)
{
SetWindowText((HWND) GetHWND(), (const char *)title);
}
wxString wxFrame::GetTitle(void) const
{
GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
return wxString(wxBuffer);
}
void wxFrame::SetIcon(const wxIcon& icon)
{
m_icon = icon;
#if defined(__WIN95__)
if ( m_icon.Ok() )
SendMessage((HWND) GetHWND(), WM_SETICON,
(WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
#endif
}
wxStatusBar *wxFrame::OnCreateStatusBar(const int number)
{
wxStatusBar *statusBar = NULL;
#if USE_NATIVE_STATUSBAR
if (UsesNativeStatusBar())
{
statusBar = new wxStatusBar95(this);
}
else
#endif
{
statusBar = new wxStatusBar(this, -1, wxPoint(0, 0), wxSize(100, 20));
// Set the height according to the font and the border size
wxClientDC dc(statusBar);
dc.SetFont(* statusBar->GetFont());
long x, y;
dc.GetTextExtent("X", &x, &y);
int height = (int)( (y * 1.1) + 2* statusBar->GetBorderY());
statusBar->SetSize(-1, -1, 100, height);
}
statusBar->SetFieldsCount(number);
return statusBar;
}
bool wxFrame::CreateStatusBar(const int number)
{
// VZ: calling CreateStatusBar twice is an error - why anyone would do it?
wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
"recreating status bar in wxFrame" );
m_frameStatusBar = OnCreateStatusBar(number);
if ( m_frameStatusBar )
{
PositionStatusBar();
return TRUE;
}
else
return FALSE;
}
void wxFrame::SetStatusText(const wxString& text, const int number)
{
wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
m_frameStatusBar->SetStatusText(text, number);
}
void wxFrame::SetStatusWidths(const int n, const int *widths_field)
{
wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
m_frameStatusBar->SetStatusWidths(n, widths_field);
PositionStatusBar();
}
void wxFrame::PositionStatusBar(void)
{
// native status bar positions itself
if (m_frameStatusBar
#if USE_NATIVE_STATUSBAR
&& !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
#endif
)
{
int w, h;
GetClientSize(&w, &h);
int sw, sh;
m_frameStatusBar->GetSize(&sw, &sh);
m_frameStatusBar->SetSize(0, h, w, sh);
}
}
void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
{
if (!menu_bar)
{
m_frameMenuBar = NULL;
return;
}
if (menu_bar->m_menuBarFrame)
return;
int i;
HMENU menu = CreateMenu();
for (i = 0; i < menu_bar->m_menuCount; i ++)
{
HMENU popup = (HMENU)menu_bar->m_menus[i]->m_hMenu;
//
// After looking Bounds Checker result, it seems that all
// menus must be individually destroyed. So, don't reset m_hMenu,
// to allow ~wxMenu to do the job.
//
menu_bar->m_menus[i]->m_savehMenu = (WXHMENU) popup;
// Uncommenting for the moment... JACS
menu_bar->m_menus[i]->m_hMenu = 0;
AppendMenu(menu, MF_POPUP | MF_STRING, (UINT)popup, menu_bar->m_titles[i]);
}
menu_bar->m_hMenu = (WXHMENU)menu;
if (m_frameMenuBar)
delete m_frameMenuBar;
this->m_hMenu = (WXHMENU) menu;
DWORD err = 0;
if (!SetMenu((HWND) GetHWND(), menu))
{
#ifdef __WIN32__
err = GetLastError();
#endif
}
m_frameMenuBar = menu_bar;
menu_bar->m_menuBarFrame = this;
}
bool wxFrame::LoadAccelerators(const wxString& table)
{
m_acceleratorTable = (WXHANDLE)
#ifdef __WIN32__
#ifdef UNICODE
::LoadAcceleratorsW(wxGetInstance(), (const char *)table);
#else
::LoadAcceleratorsA(wxGetInstance(), (const char *)table);
#endif
#else
::LoadAccelerators(wxGetInstance(), (const char *)table);
#endif
// The above is necessary because LoadAccelerators is a macro
// which we have undefed earlier in the file to avoid confusion
// with wxFrame::LoadAccelerators. Ugh!
return (m_acceleratorTable != (WXHANDLE) NULL);
}
void wxFrame::Fit(void)
{
// Work out max. size
wxNode *node = GetChildren()->First();
int max_width = 0;
int max_height = 0;
while (node)
{
// Find a child that's a subwindow, but not a dialog box.
wxWindow *win = (wxWindow *)node->Data();
if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
!win->IsKindOf(CLASSINFO(wxDialog)))
{
int width, height;
int x, y;
win->GetSize(&width, &height);
win->GetPosition(&x, &y);
if ((x + width) > max_width)
max_width = x + width;
if ((y + height) > max_height)
max_height = y + height;
}
node = node->Next();
}
SetClientSize(max_width, max_height);
}
// Responds to colour changes, and passes event on to children.
void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
{
SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
Refresh();
if ( m_frameStatusBar )
{
wxSysColourChangedEvent event2;
event2.SetEventObject( m_frameStatusBar );
m_frameStatusBar->ProcessEvent(event2);
}
// Propagate the event to the non-top-level children
wxWindow::OnSysColourChanged(event);
}
/*
* Frame window
*
*/
void wxFrame::MSWCreate(const int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
const int x, const int y, const int width, const int height, const long style)
{
m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
// If child windows aren't properly drawn initially, WS_CLIPCHILDREN
// could be the culprit. But without it, you can get a lot of flicker.
// DWORD msflags = WS_POPUP | WS_CLIPCHILDREN ;
DWORD msflags = 0;
if ((style & wxCAPTION) == wxCAPTION)
msflags = WS_OVERLAPPED | WS_CLIPCHILDREN ; // WS_POPUP | WS_CLIPCHILDREN ;
else
msflags = WS_POPUP | WS_CLIPCHILDREN ;
if (style & wxMINIMIZE_BOX)
msflags |= WS_MINIMIZEBOX;
if (style & wxMAXIMIZE_BOX)
msflags |= WS_MAXIMIZEBOX;
if (style & wxTHICK_FRAME)
msflags |= WS_THICKFRAME;
if (style & wxSYSTEM_MENU)
msflags |= WS_SYSMENU;
if ((style & wxMINIMIZE) || (style & wxICONIZE))
msflags |= WS_MINIMIZE;
if (style & wxMAXIMIZE)
msflags |= WS_MAXIMIZE;
if (style & wxCAPTION)
msflags |= WS_CAPTION;
// Keep this in wxFrame because it saves recoding this function
// in wxTinyFrame
#if USE_ITSY_BITSY
if (style & wxTINY_CAPTION_VERT)
msflags |= IBS_VERTCAPTION;
if (style & wxTINY_CAPTION_HORIZ)
msflags |= IBS_HORZCAPTION;
#else
if (style & wxTINY_CAPTION_VERT)
msflags |= WS_CAPTION;
if (style & wxTINY_CAPTION_HORIZ)
msflags |= WS_CAPTION;
#endif
if ((style & wxTHICK_FRAME) == 0)
msflags |= WS_BORDER;
WXDWORD extendedStyle = MakeExtendedStyle(style);
if (style & wxSTAY_ON_TOP)
extendedStyle |= WS_EX_TOPMOST;
m_iconized = FALSE;
wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
msflags, NULL, extendedStyle);
// Seems to be necessary if we use WS_POPUP
// style instead of WS_OVERLAPPED
if (width > -1 && height > -1)
::PostMessage((HWND) GetHWND(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
}
bool wxFrame::MSWOnPaint(void)
{
#if DEBUG > 1
wxDebugMsg("wxFrameWnd::OnPaint %d\n", handle);
#endif
RECT rect;
if (GetUpdateRect((HWND) GetHWND(), &rect, FALSE))
{
if (m_iconized)
{
HICON the_icon;
if (m_icon.Ok())
the_icon = (HICON) m_icon.GetHICON();
if (the_icon == 0)
the_icon = (HICON) m_defaultIcon;
PAINTSTRUCT ps;
// Hold a pointer to the dc so long as the OnPaint() message
// is being processed
HDC cdc = BeginPaint((HWND) GetHWND(), &ps);
// Erase background before painting or we get white background
this->MSWDefWindowProc(WM_ICONERASEBKGND,(WORD)ps.hdc,0L);
if (the_icon)
{
RECT rect;
GetClientRect((HWND) GetHWND(), &rect);
int icon_width = 32;
int icon_height = 32;
int icon_x = (int)((rect.right - icon_width)/2);
int icon_y = (int)((rect.bottom - icon_height)/2);
DrawIcon(cdc, icon_x, icon_y, the_icon);
}
EndPaint((HWND) GetHWND(), &ps);
}
if (!m_iconized)
{
// m_paintHDC = (WXHDC) cdc;
GetEventHandler()->OldOnPaint();
// m_paintHDC = NULL;
}
return 0;
}
return 1;
}
WXHICON wxFrame::MSWOnQueryDragIcon(void)
{
if (m_icon.Ok() && (m_icon.GetHICON() != 0))
return m_icon.GetHICON();
else
return m_defaultIcon;
}
void wxFrame::MSWOnSize(const int x, const int y, const WXUINT id)
{
#if DEBUG > 1
wxDebugMsg("wxFrameWnd::OnSize %d\n", m_hWnd);
#endif
switch (id)
{
case SIZEFULLSCREEN:
case SIZENORMAL:
m_iconized = FALSE;
break;
case SIZEICONIC:
m_iconized = TRUE;
break;
}
if (!m_iconized)
{
// forward WM_SIZE to status bar control
#if USE_NATIVE_STATUSBAR
if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
{
wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
event.SetEventObject( m_frameStatusBar );
((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
}
#endif
PositionStatusBar();
#if WXWIN_COMPATIBILITY
GetEventHandler()->OldOnSize(x, y);
#else
wxSizeEvent event(wxSize(x, y), m_windowId);
event.SetEventObject( this );
GetEventHandler()->ProcessEvent(event);
#endif
}
}
bool wxFrame::MSWOnClose(void)
{
#if DEBUG > 1
wxDebugMsg("wxFrameWnd::OnClose %d\n", handle);
#endif
return Close();
}
bool wxFrame::MSWOnCommand(const WXWORD id, const WXWORD cmd, const WXHWND control)
{
#if DEBUG > 1
wxDebugMsg("wxFrameWnd::OnCommand %d\n", handle);
#endif
if (cmd == 0 || cmd == 1 ) // Can be either a menu command or an accelerator.
{
// In case it's e.g. a toolbar.
wxWindow *win = wxFindWinFromHandle(control);
if (win)
return win->MSWCommand(cmd, id);
if (GetMenuBar() && GetMenuBar()->FindItemForId(id))
{
ProcessCommand(id);
return TRUE;
}
else
return FALSE;
}
else
return FALSE;
}
void wxFrame::MSWOnMenuHighlight(const WXWORD nItem, const WXWORD nFlags, const WXHMENU hSysMenu)
{
#if WXWIN_COMPATIBILITY
if (nFlags == 0xFFFF && hSysMenu == 0)
GetEventHandler()->OldOnMenuSelect(-1);
else if (nFlags != MF_SEPARATOR)
GetEventHandler()->OldOnMenuSelect(nItem);
#else
if (nFlags == 0xFFFF && hSysMenu == 0)
{
wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1);
event.SetEventObject( this );
GetEventHandler()->ProcessEvent(event);
}
else if (nFlags != MF_SEPARATOR)
{
wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem);
event.SetEventObject( this );
GetEventHandler()->ProcessEvent(event);
}
#endif
}
bool wxFrame::MSWProcessMessage(WXMSG* pMsg)
{
if (m_acceleratorTable != 0 &&
::TranslateAccelerator((HWND) GetHWND(), (HANDLE) m_acceleratorTable, (MSG *)pMsg))
return TRUE;
return FALSE;
}
// Default resizing behaviour - if only ONE subwindow,
// resize to client rectangle size
void wxFrame::OnSize(wxSizeEvent& event)
{
// Search for a child which is a subwindow, not another frame.
wxWindow *child = NULL;
// Count the number of _subwindow_ children
int noChildren = 0;
for(wxNode *node = GetChildren()->First(); node; node = node->Next())
{
wxWindow *win = (wxWindow *)node->Data();
if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog))
&& (win != GetStatusBar()))
{
child = win;
noChildren ++;
}
}
// If not one child, call the Layout function if compiled in
if (!child || (noChildren > 1)
#if USE_CONSTRAINTS
|| GetAutoLayout()
#endif
)
{
#if USE_CONSTRAINTS
if (GetAutoLayout())
Layout();
#endif
return;
}
if (child)
{
int client_x, client_y;
#if DEBUG > 1
wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
#endif
GetClientSize(&client_x, &client_y);
child->SetSize(0, 0, client_x, client_y);
}
}
// Default activation behaviour - set the focus for the first child
// subwindow found.
void wxFrame::OnActivate(wxActivateEvent& event)
{
for(wxNode *node = GetChildren()->First(); node; node = node->Next())
{
// Find a child that's a subwindow, but not a dialog box.
wxWindow *child = (wxWindow *)node->Data();
if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
!child->IsKindOf(CLASSINFO(wxDialog)))
{
#if DEBUG > 1
wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
#endif
child->SetFocus();
return;
}
}
}
// The default implementation for the close window event - calls
// OnClose for backward compatibility.
void wxFrame::OnCloseWindow(wxCloseEvent& event)
{
// Compatibility
if ( GetEventHandler()->OnClose() || event.GetForce())
{
this->Destroy();
}
}
// Destroy the window (delayed, if a managed window)
bool wxFrame::Destroy(void)
{
if (!wxPendingDelete.Member(this))
wxPendingDelete.Append(this);
return TRUE;
}
// Default menu selection behaviour - display a help string
void wxFrame::OnMenuHighlight(wxMenuEvent& event)
{
if (GetStatusBar())
{
if (event.GetMenuId() == -1)
SetStatusText("");
else
{
wxMenuBar *menuBar = GetMenuBar();
if (menuBar)
{
wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
if (helpString != "")
SetStatusText(helpString);
}
}
}
}
#if WXWIN_COMPATIBILITY
void wxFrame::OldOnSize(int x, int y)
{
#if WXWIN_COMPATIBILITY == 1
wxSizeEvent event(wxSize(x, y), m_windowId);
event.SetEventObject( this );
if (GetEventHandler()->ProcessEvent(event))
return;
#endif
// Search for a child which is a subwindow, not another frame.
wxWindow *child = NULL;
// Count the number of _subwindow_ children
int noChildren = 0;
for(wxNode *node = GetChildren()->First(); node; node = node->Next())
{
wxWindow *win = (wxWindow *)node->Data();
if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) && (win != GetStatusBar()))
{
child = win;
noChildren ++;
}
}
// If not one child, call the Layout function if compiled in
if (!child || (noChildren > 1)
#if USE_CONSTRAINTS
|| GetAutoLayout()
#endif
)
{
#if USE_CONSTRAINTS
if (GetAutoLayout())
Layout();
#endif
return;
}
if (child)
{
int client_x, client_y;
#if DEBUG > 1
wxDebugMsg("wxFrame::OnSize: about to set the child's size.\n");
#endif
GetClientSize(&client_x, &client_y);
child->SetSize(0, 0, client_x, client_y);
}
}
// Default activation behaviour - set the focus for the first child
// subwindow found.
void wxFrame::OldOnActivate(bool flag)
{
#if WXWIN_COMPATIBILITY == 1
wxActivateEvent event(wxEVT_ACTIVATE, flag, m_windowId);
event.SetEventObject( this );
if (GetEventHandler()->ProcessEvent(event))
return;
#endif
for(wxNode *node = GetChildren()->First(); node; node = node->Next())
{
// Find a child that's a subwindow, but not a dialog box.
wxWindow *child = (wxWindow *)node->Data();
if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
!child->IsKindOf(CLASSINFO(wxDialog)))
{
#if DEBUG > 1
wxDebugMsg("wxFrame::OnActivate: about to set the child's focus.\n");
#endif
child->SetFocus();
return;
}
}
}
// Default menu selection behaviour - display a help string
void wxFrame::OldOnMenuSelect(int id)
{
#if WXWIN_COMPATIBILITY == 1
wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, id);
event.SetEventObject( this );
if (GetEventHandler()->ProcessEvent(event))
return;
#endif
if (GetStatusBar())
{
if (id == -1)
SetStatusText("");
else
{
wxMenuBar *menuBar = GetMenuBar();
if (menuBar)
{
wxString helpString(menuBar->GetHelpString(id));
if (helpString != "")
SetStatusText(helpString);
}
}
}
}
#endif
wxMenuBar *wxFrame::GetMenuBar(void) const
{
return m_frameMenuBar;
}
void wxFrame::Centre(const int direction)
{
int display_width, display_height, width, height, x, y;
wxDisplaySize(&display_width, &display_height);
GetSize(&width, &height);
GetPosition(&x, &y);
if (direction & wxHORIZONTAL)
x = (int)((display_width - width)/2);
if (direction & wxVERTICAL)
y = (int)((display_height - height)/2);
SetSize(x, y, width, height);
}
// Call this to simulate a menu command
void wxFrame::Command(int id)
{
ProcessCommand(id);
}
void wxFrame::ProcessCommand(int id)
{
wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id);
commandEvent.SetInt( id );
commandEvent.SetEventObject( this );
wxMenuBar *bar = GetMenuBar() ;
if (!bar)
return;
// Motif does the job by itself!!
#ifndef __MOTIF__
wxMenuItem *item = bar->FindItemForId(id) ;
if (item && item->IsCheckable())
{
//wxDebugMsg("Toggling id %d\n",id) ;
bar->Check(id,!bar->Checked(id)) ;
}
#endif
if (!ProcessEvent(commandEvent))
OldOnMenuCommand(id);
}
void wxFrame::OnIdle(wxIdleEvent& event)
{
DoMenuUpdates();
}
// Query app for menu item updates (called from OnIdle)
void wxFrame::DoMenuUpdates(void)
{
wxMenuBar* bar = GetMenuBar();
if (!bar)
return;
int i;
for (i = 0; i < bar->m_menuCount; i++)
{
wxMenu* menu = bar->m_menus[i];
DoMenuUpdates(menu);
}
}
void wxFrame::DoMenuUpdates(wxMenu* menu)
{
wxNode* node = menu->m_menuItems.First();
while (node)
{
wxMenuItem* item = (wxMenuItem*) node->Data();
if ( !item->IsSeparator() )
{
wxWindowID id = item->GetId();
wxUpdateUIEvent event(id);
event.SetEventObject( this );
if (GetEventHandler()->ProcessEvent(event))
{
if (event.GetSetText())
menu->SetLabel(id, event.GetText());
if (event.GetSetChecked())
menu->Check(id, event.GetChecked());
if (event.GetSetEnabled())
menu->Enable(id, event.GetEnabled());
}
if (item->GetSubMenu())
DoMenuUpdates(item->GetSubMenu());
}
node = node->Next();
}
}
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