added some wxMSW stuff
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
605
src/msw/dialog.cpp
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605
src/msw/dialog.cpp
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@@ -0,0 +1,605 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: dialog.cpp
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// Purpose: wxDialog class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "dialog.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/dialog.h"
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#include "wx/utils.h"
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#include "wx/frame.h"
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#include "wx/app.h"
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#include "wx/settings.h"
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#endif
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#include "wx/msw/private.h"
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#if USE_COMMON_DIALOGS
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#include <commdlg.h>
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#endif
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#define wxDIALOG_DEFAULT_X 300
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#define wxDIALOG_DEFAULT_Y 300
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// Lists to keep track of windows, so we can disable/enable them
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// for modal dialogs
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wxList wxModalDialogs;
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wxList wxModelessWindows; // Frames and modeless dialogs
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extern wxList wxPendingDelete;
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
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BEGIN_EVENT_TABLE(wxDialog, wxPanel)
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EVT_BUTTON(wxID_OK, wxDialog::OnOK)
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EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
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EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
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EVT_CHAR_HOOK(wxDialog::OnCharHook)
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EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
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EVT_CLOSE(wxDialog::OnCloseWindow)
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END_EVENT_TABLE()
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#endif
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long wxDialog::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
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{
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return ::CallWindowProc(CASTWNDPROC (FARPROC) m_oldWndProc, (HWND) GetHWND(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
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}
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bool wxDialog::MSWProcessMessage(WXMSG* pMsg)
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{
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return (::IsDialogMessage((HWND) GetHWND(), (MSG*)pMsg) != 0);
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}
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bool wxDialog::MSWOnClose(void)
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{
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return Close();
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}
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wxDialog::wxDialog(void)
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{
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m_isShown = FALSE;
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m_modalShowing = FALSE;
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SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
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SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
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}
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bool wxDialog::Create(wxWindow *parent, const wxWindowID id,
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const wxString& title,
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const wxPoint& pos,
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const wxSize& size,
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const long style,
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const wxString& name)
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{
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SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
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SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
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SetName(name);
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if (!parent)
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wxTopLevelWindows.Append(this);
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// windowFont = wxTheFontList->FindOrCreateFont(11, wxSWISS, wxNORMAL, wxNORMAL);
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if (parent) parent->AddChild(this);
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if ( id == -1 )
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m_windowId = (int)NewControlId();
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else
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m_windowId = id;
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int x = pos.x;
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int y = pos.y;
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int width = size.x;
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int height = size.y;
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if (x < 0) x = wxDIALOG_DEFAULT_X;
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if (y < 0) y = wxDIALOG_DEFAULT_Y;
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m_windowStyle = style;
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m_isShown = FALSE;
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m_modalShowing = FALSE;
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if (width < 0)
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width = 500;
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if (height < 0)
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height = 500;
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WXDWORD extendedStyle = MakeExtendedStyle(m_windowStyle);
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if (m_windowStyle & wxSTAY_ON_TOP)
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extendedStyle |= WS_EX_TOPMOST;
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// Allows creation of dialogs with & without captions under MSWindows
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if(style & wxCAPTION){
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MSWCreate(m_windowId, (wxWindow *)parent, NULL, this, NULL, x, y, width, height, 0, "wxCaptionDialog",
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extendedStyle);
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}
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else{
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MSWCreate(m_windowId, (wxWindow *)parent, NULL, this, NULL, x, y, width, height, 0, "wxNoCaptionDialog",
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extendedStyle);
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}
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SubclassWin(GetHWND());
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SetWindowText((HWND) GetHWND(), (const char *)title);
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SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
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return TRUE;
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}
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void wxDialog::SetModal(const bool flag)
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{
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if ( flag )
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m_windowStyle |= wxDIALOG_MODAL ;
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else
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if ( m_windowStyle & wxDIALOG_MODAL )
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m_windowStyle -= wxDIALOG_MODAL ;
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wxModelessWindows.DeleteObject(this);
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if (!flag)
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wxModelessWindows.Append(this);
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}
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wxDialog::~wxDialog()
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{
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m_isBeingDeleted = TRUE;
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wxTopLevelWindows.DeleteObject(this);
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if (m_modalShowing)
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{
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Show(FALSE);
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// For some reason, wxWindows can activate another task altogether
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// when a frame is destroyed after a modal dialog has been invoked.
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// Try to bring the parent to the top.
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// dfgg: I moved this following line from end of function -
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// must not call if another window is on top!!
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// This can often happen with Close() and delayed deleting
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if (GetParent() && GetParent()->GetHWND())
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::BringWindowToTop((HWND) GetParent()->GetHWND());
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}
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m_modalShowing = FALSE;
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if ( GetHWND() )
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ShowWindow((HWND) GetHWND(), SW_HIDE);
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if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL )
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wxModelessWindows.DeleteObject(this);
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UnsubclassWin();
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// If this is the last top-level window, exit.
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if (wxTheApp && (wxTopLevelWindows.Number() == 0))
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{
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wxTheApp->SetTopWindow(NULL);
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if (wxTheApp->GetExitOnFrameDelete())
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{
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PostQuitMessage(0);
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}
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}
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}
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// By default, pressing escape cancels the dialog
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void wxDialog::OnCharHook(wxKeyEvent& event)
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{
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if (GetHWND())
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{
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if (event.m_keyCode == WXK_ESCAPE)
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{
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// Behaviour changed in 2.0: we'll send a Cancel message
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// to the dialog instead of Close.
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wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
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cancelEvent.SetEventObject( this );
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GetEventHandler()->ProcessEvent(cancelEvent);
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return;
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}
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}
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// We didn't process this event.
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event.Skip();
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}
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void wxDialog::OnPaint(wxPaintEvent& event)
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{
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// No: if you call the default procedure, it makes
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// the following painting code not work.
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// wxWindow::OnPaint(event);
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}
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void wxDialog::Fit(void)
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{
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wxWindow::Fit();
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}
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void wxDialog::Iconize(const bool WXUNUSED(iconize))
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{
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// Windows dialog boxes can't be iconized
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}
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bool wxDialog::IsIconized(void) const
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{
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return FALSE;
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}
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void wxDialog::SetSize(const int x, const int y, const int width, const int height, const int WXUNUSED(sizeFlags))
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{
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wxWindow::SetSize(x, y, width, height);
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}
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void wxDialog::SetClientSize(const int width, const int height)
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{
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HWND hWnd = (HWND) GetHWND();
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RECT rect;
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GetClientRect(hWnd, &rect);
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RECT rect2;
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GetWindowRect(hWnd, &rect2);
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// Find the difference between the entire window (title bar and all)
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// and the client area; add this to the new client size to move the
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// window
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int actual_width = rect2.right - rect2.left - rect.right + width;
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int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
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MoveWindow(hWnd, rect2.left, rect2.top, actual_width, actual_height, TRUE);
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#if WXWIN_COMPATIBILITY
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GetEventHandler()->OldOnSize(actual_width, actual_height);
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#else
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wxSizeEvent event(wxSize(actual_width, actual_height), m_windowId);
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event.eventObject = this;
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GetEventHandler()->ProcessEvent(event);
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#endif
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}
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void wxDialog::GetPosition(int *x, int *y) const
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{
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HWND hWnd = (HWND) GetHWND();
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RECT rect;
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GetWindowRect(hWnd, &rect);
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*x = rect.left;
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*y = rect.top;
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}
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bool wxDialog::IsShown(void) const
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{
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return m_isShown;
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}
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bool wxDialog::Show(const bool show)
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{
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m_isShown = show;
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if (show)
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InitDialog();
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bool modal = ((GetWindowStyleFlag() & wxDIALOG_MODAL) == wxDIALOG_MODAL) ;
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#if WXGARBAGE_COLLECTION_ON /* MATTHEW: GC */
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if (!modal) {
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if (show) {
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if (!wxModelessWindows.Member(this))
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wxModelessWindows.Append(this);
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} else
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wxModelessWindows.DeleteObject(this);
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}
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if (show) {
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if (!wxTopLevelWindows.Member(this))
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wxTopLevelWindows.Append(this);
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} else
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wxTopLevelWindows.DeleteObject(this);
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#endif
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if (modal)
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{
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if (show)
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{
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wxList DisabledWindows;
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if (m_modalShowing)
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{
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BringWindowToTop((HWND) GetHWND());
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return TRUE;
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}
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m_modalShowing = TRUE;
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wxNode *node = wxModalDialogs.First();
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while (node)
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{
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wxDialog *box = (wxDialog *)node->Data();
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if (box != this)
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::EnableWindow((HWND) box->GetHWND(), FALSE);
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node = node->Next();
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}
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node = wxModelessWindows.First();
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while (node)
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{
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wxWindow *win = (wxWindow *)node->Data();
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if (::IsWindowEnabled((HWND) win->GetHWND()))
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{
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::EnableWindow((HWND) win->GetHWND(), FALSE);
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DisabledWindows.Append(win);
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}
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node = node->Next();
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}
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ShowWindow((HWND) GetHWND(), SW_SHOW);
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EnableWindow((HWND) GetHWND(), TRUE);
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BringWindowToTop((HWND) GetHWND());
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if (!wxModalDialogs.Member(this))
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wxModalDialogs.Append(this);
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MSG msg;
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// Must test whether this dialog still exists: we may not process
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// a message before the deletion.
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while (wxModalDialogs.Member(this) && m_modalShowing && GetMessage(&msg, NULL, 0, 0))
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{
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if (!IsDialogMessage((HWND) GetHWND(), &msg))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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if (m_modalShowing && !::PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE))
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// dfgg: NB MUST test m_modalShowing again as the message loop could have triggered
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// a Show(FALSE) in the mean time!!!
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// Without the test, we might delete the dialog before the end of modal showing.
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{
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while (wxTheApp->ProcessIdle() && m_modalShowing)
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{
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// Keep going until we decide we've done enough
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}
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}
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}
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// dfgg: now must specifically re-enable all other app windows that we disabled earlier
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node=DisabledWindows.First();
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while(node) {
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wxWindow* win = (wxWindow*) node->Data();
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HWND hWnd = (HWND) win->GetHWND();
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if (::IsWindow(hWnd) && (wxModalDialogs.Member(win) || wxModelessWindows.Member(win) ))
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::EnableWindow(hWnd,TRUE);
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node=node->Next();
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}
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}
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else
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{
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wxModalDialogs.DeleteObject(this);
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wxNode *last = wxModalDialogs.Last();
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// If there's still a modal dialog active, we
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// enable it, else we enable all modeless windows
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if (last)
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{
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wxDialog *box = (wxDialog *)last->Data();
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HWND hwnd = (HWND) box->GetHWND();
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if (box->m_winEnabled)
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EnableWindow(hwnd, TRUE);
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BringWindowToTop(hwnd);
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}
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else
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{
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wxNode *node = wxModelessWindows.First();
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while (node)
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{
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wxWindow *win = (wxWindow *)node->Data();
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HWND hwnd = (HWND) win->GetHWND();
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// Only enable again if not user-disabled.
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if (win->IsUserEnabled())
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EnableWindow(hwnd, TRUE);
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node = node->Next();
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}
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}
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// Try to highlight the correct window (the parent)
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HWND hWndParent = 0;
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if (GetParent())
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{
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hWndParent = (HWND) GetParent()->GetHWND();
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if (hWndParent)
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::BringWindowToTop(hWndParent);
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}
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ShowWindow((HWND) GetHWND(), SW_HIDE);
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m_modalShowing = FALSE;
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}
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}
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else
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{
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if (show)
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{
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ShowWindow((HWND) GetHWND(), SW_SHOW);
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BringWindowToTop((HWND) GetHWND());
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}
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else
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{
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// Try to highlight the correct window (the parent)
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HWND hWndParent = 0;
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if (GetParent())
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{
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hWndParent = (HWND) GetParent()->GetHWND();
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if (hWndParent)
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::BringWindowToTop(hWndParent);
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}
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ShowWindow((HWND) GetHWND(), SW_HIDE);
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}
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}
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return TRUE;
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}
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void wxDialog::SetTitle(const wxString& title)
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{
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SetWindowText((HWND) GetHWND(), (const char *)title);
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}
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wxString wxDialog::GetTitle(void) const
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{
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GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
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return wxString(wxBuffer);
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}
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void wxDialog::Centre(const int direction)
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{
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int x_offset,y_offset ;
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int display_width, display_height;
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int width, height, x, y;
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wxFrame *frame ;
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if (direction & wxCENTER_FRAME)
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{
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frame = (wxFrame*)GetParent() ;
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if (frame)
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{
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frame->GetPosition(&x_offset,&y_offset) ;
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frame->GetSize(&display_width,&display_height) ;
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}
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}
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else
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frame = NULL ;
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||||
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if (frame==NULL)
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{
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wxDisplaySize(&display_width, &display_height);
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x_offset = 0 ;
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y_offset = 0 ;
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}
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GetSize(&width, &height);
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GetPosition(&x, &y);
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||||
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if (direction & wxHORIZONTAL)
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x = (int)((display_width - width)/2);
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if (direction & wxVERTICAL)
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y = (int)((display_height - height)/2);
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||||
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SetSize(x+x_offset, y+y_offset, width, height);
|
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}
|
||||
|
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// Replacement for Show(TRUE) for modal dialogs - returns return code
|
||||
int wxDialog::ShowModal(void)
|
||||
{
|
||||
Show(TRUE);
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return GetReturnCode();
|
||||
}
|
||||
|
||||
void wxDialog::EndModal(int retCode)
|
||||
{
|
||||
SetReturnCode(retCode);
|
||||
Show(FALSE);
|
||||
}
|
||||
|
||||
// Define for each class of dialog and control
|
||||
WXHBRUSH wxDialog::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor,
|
||||
WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
|
||||
{
|
||||
#if CTL3D
|
||||
HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
|
||||
return (WXHBRUSH) hbrush;
|
||||
#else
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
// Standard buttons
|
||||
void wxDialog::OnOK(wxCommandEvent& event)
|
||||
{
|
||||
if ( Validate() && TransferDataFromWindow() )
|
||||
{
|
||||
if ( IsModal() )
|
||||
EndModal(wxID_OK);
|
||||
else
|
||||
{
|
||||
SetReturnCode(wxID_OK);
|
||||
this->Show(FALSE);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void wxDialog::OnApply(wxCommandEvent& event)
|
||||
{
|
||||
if (Validate())
|
||||
TransferDataFromWindow();
|
||||
// TODO probably need to disable the Apply button until things change again
|
||||
}
|
||||
|
||||
void wxDialog::OnCancel(wxCommandEvent& event)
|
||||
{
|
||||
if ( IsModal() )
|
||||
EndModal(wxID_CANCEL);
|
||||
else
|
||||
{
|
||||
SetReturnCode(wxID_CANCEL);
|
||||
this->Show(FALSE);
|
||||
}
|
||||
}
|
||||
|
||||
bool wxDialog::OnClose(void)
|
||||
{
|
||||
// Behaviour changed in 2.0: we'll send a Cancel message by default,
|
||||
// which may close the dialog.
|
||||
// Check for looping if the Cancel event handler calls Close()
|
||||
|
||||
static wxList closing;
|
||||
|
||||
if ( closing.Member(this) )
|
||||
return FALSE;
|
||||
|
||||
closing.Append(this);
|
||||
|
||||
wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
|
||||
cancelEvent.SetEventObject( this );
|
||||
GetEventHandler()->ProcessEvent(cancelEvent);
|
||||
|
||||
closing.DeleteObject(this);
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
void wxDialog::OnCloseWindow(wxCloseEvent& event)
|
||||
{
|
||||
// Compatibility
|
||||
if ( GetEventHandler()->OnClose() || event.GetForce())
|
||||
{
|
||||
this->Destroy();
|
||||
}
|
||||
}
|
||||
|
||||
// Destroy the window (delayed, if a managed window)
|
||||
bool wxDialog::Destroy(void)
|
||||
{
|
||||
if (!wxPendingDelete.Member(this))
|
||||
wxPendingDelete.Append(this);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
|
||||
{
|
||||
#if CTL3D
|
||||
Ctl3dColorChange();
|
||||
#else
|
||||
SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
|
||||
SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
|
||||
Refresh();
|
||||
#endif
|
||||
}
|
||||
|
||||
long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
|
||||
{
|
||||
return wxWindow::MSWWindowProc(message, wParam, lParam);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user