mirror of https://github.com/PCSX2/pcsx2.git
440 lines
13 KiB
C++
440 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/msw/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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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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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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#include "wx/dialog.h"
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#include "wx/modalhook.h"
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#ifndef WX_PRECOMP
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#include "wx/msw/wrapcdlg.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/button.h"
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#include "wx/settings.h"
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#include "wx/intl.h"
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#include "wx/log.h"
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#include "wx/toolbar.h"
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#endif
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#include "wx/msw/private.h"
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#include "wx/evtloop.h"
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#include "wx/scopedptr.h"
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#if defined(__SMARTPHONE__) && defined(__WXWINCE__)
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#include "wx/msw/wince/resources.h"
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#endif // __SMARTPHONE__ && __WXWINCE__
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// ----------------------------------------------------------------------------
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// wxWin macros
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// wxDialogModalData
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// ----------------------------------------------------------------------------
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// this is simply a container for any data we need to implement modality which
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// allows us to avoid changing wxDialog each time the implementation changes
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class wxDialogModalData
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{
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public:
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wxDialogModalData(wxDialog *dialog) : m_evtLoop(dialog) { }
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void RunLoop()
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{
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m_evtLoop.Run();
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}
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void ExitLoop()
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{
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m_evtLoop.Exit();
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}
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private:
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wxModalEventLoop m_evtLoop;
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};
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wxDEFINE_TIED_SCOPED_PTR_TYPE(wxDialogModalData)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxDialog construction
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// ----------------------------------------------------------------------------
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void wxDialog::Init()
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{
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m_isShown = false;
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m_modalData = NULL;
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#if wxUSE_TOOLBAR && defined(__POCKETPC__)
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m_dialogToolBar = NULL;
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#endif
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#if wxUSE_DIALOG_SIZEGRIP
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m_hGripper = 0;
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#endif // wxUSE_DIALOG_SIZEGRIP
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}
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bool wxDialog::Create(wxWindow *parent,
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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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long style,
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const wxString& name)
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{
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SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
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// All dialogs should really have this style
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style |= wxTAB_TRAVERSAL;
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if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
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return false;
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if ( !m_hasFont )
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SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
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#if defined(__SMARTPHONE__) && defined(__WXWINCE__)
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SetLeftMenu(wxID_OK, _("OK"));
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#endif
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#if wxUSE_TOOLBAR && defined(__POCKETPC__)
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CreateToolBar();
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#endif
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#if wxUSE_DIALOG_SIZEGRIP
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if ( HasFlag(wxRESIZE_BORDER) )
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{
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CreateGripper();
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Connect(wxEVT_CREATE,
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wxWindowCreateEventHandler(wxDialog::OnWindowCreate));
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}
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#endif // wxUSE_DIALOG_SIZEGRIP
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return true;
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}
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wxDialog::~wxDialog()
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{
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// this will also reenable all the other windows for a modal dialog
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Show(false);
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#if wxUSE_DIALOG_SIZEGRIP
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DestroyGripper();
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#endif // wxUSE_DIALOG_SIZEGRIP
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}
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// ----------------------------------------------------------------------------
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// showing the dialogs
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// ----------------------------------------------------------------------------
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bool wxDialog::Show(bool show)
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{
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if ( show == IsShown() )
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return false;
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if ( !show && m_modalData )
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{
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// we need to do this before calling wxDialogBase version because if we
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// had disabled other app windows, they must be reenabled right now as
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// if they stay disabled Windows will activate another window (one
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// which is enabled, anyhow) when we're hidden in the base class Show()
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// and we will lose activation
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m_modalData->ExitLoop();
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}
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if ( show )
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{
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if (CanDoLayoutAdaptation())
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DoLayoutAdaptation();
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// this usually will result in TransferDataToWindow() being called
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// which will change the controls values so do it before showing as
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// otherwise we could have some flicker
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InitDialog();
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}
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wxDialogBase::Show(show);
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if ( show )
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{
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// dialogs don't get WM_SIZE message from ::ShowWindow() for some
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// reason so generate it ourselves for consistency with frames and
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// dialogs in other ports
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//
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// NB: normally we should call it just the first time but doing it
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// every time is simpler than keeping a flag
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const wxSize size = GetClientSize();
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::SendMessage(GetHwnd(), WM_SIZE,
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SIZE_RESTORED, MAKELPARAM(size.x, size.y));
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}
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return true;
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}
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// show dialog modally
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int wxDialog::ShowModal()
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{
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WX_HOOK_MODAL_DIALOG();
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wxASSERT_MSG( !IsModal(), wxT("ShowModal() can't be called twice") );
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Show();
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// EndModal may have been called from InitDialog handler (called from
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// inside Show()) and hidden the dialog back again
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if ( IsShown() )
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{
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// enter and run the modal loop
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wxDialogModalDataTiedPtr modalData(&m_modalData,
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new wxDialogModalData(this));
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modalData->RunLoop();
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}
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return GetReturnCode();
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}
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void wxDialog::EndModal(int retCode)
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{
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wxASSERT_MSG( IsModal(), wxT("EndModal() called for non modal dialog") );
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SetReturnCode(retCode);
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Hide();
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}
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// ----------------------------------------------------------------------------
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// wxDialog gripper handling
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// ----------------------------------------------------------------------------
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#if wxUSE_DIALOG_SIZEGRIP
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void wxDialog::SetWindowStyleFlag(long style)
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{
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wxDialogBase::SetWindowStyleFlag(style);
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if ( HasFlag(wxRESIZE_BORDER) )
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CreateGripper();
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else
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DestroyGripper();
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}
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void wxDialog::CreateGripper()
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{
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if ( !m_hGripper )
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{
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// just create it here, it will be positioned and shown later
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m_hGripper = (WXHWND)::CreateWindow
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(
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wxT("SCROLLBAR"),
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wxT(""),
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WS_CHILD |
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WS_CLIPSIBLINGS |
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SBS_SIZEGRIP |
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SBS_SIZEBOX |
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SBS_SIZEBOXBOTTOMRIGHTALIGN,
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0, 0, 0, 0,
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GetHwnd(),
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0,
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wxGetInstance(),
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NULL
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);
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}
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}
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void wxDialog::DestroyGripper()
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{
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if ( m_hGripper )
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{
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// we used to have trouble with gripper appearing on top (and hence
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// overdrawing) the other, real, dialog children -- check that this
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// isn't the case automatically (but notice that this could be false if
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// we're not shown at all as in this case ResizeGripper() might not
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// have been called yet)
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wxASSERT_MSG( !IsShown() ||
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::GetWindow((HWND)m_hGripper, GW_HWNDNEXT) == 0,
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wxT("Bug in wxWidgets: gripper should be at the bottom of Z-order") );
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::DestroyWindow((HWND) m_hGripper);
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m_hGripper = 0;
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}
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}
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void wxDialog::ShowGripper(bool show)
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{
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wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") );
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if ( show )
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ResizeGripper();
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::ShowWindow((HWND)m_hGripper, show ? SW_SHOW : SW_HIDE);
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}
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void wxDialog::ResizeGripper()
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{
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wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") );
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HWND hwndGripper = (HWND)m_hGripper;
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const wxRect rectGripper = wxRectFromRECT(wxGetWindowRect(hwndGripper));
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const wxSize size = GetClientSize() - rectGripper.GetSize();
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::SetWindowPos(hwndGripper, HWND_BOTTOM,
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size.x, size.y,
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rectGripper.width, rectGripper.height,
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SWP_NOACTIVATE);
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}
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void wxDialog::OnWindowCreate(wxWindowCreateEvent& event)
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{
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if ( m_hGripper && IsShown() &&
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event.GetWindow() && event.GetWindow()->GetParent() == this )
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{
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// Put gripper below the newly created child window
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::SetWindowPos((HWND)m_hGripper, HWND_BOTTOM, 0, 0, 0, 0,
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SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
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}
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event.Skip();
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}
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#endif // wxUSE_DIALOG_SIZEGRIP
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// ----------------------------------------------------------------------------
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// wxWin event handlers
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// ----------------------------------------------------------------------------
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#ifdef __POCKETPC__
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// Responds to the OK button in a PocketPC titlebar. This
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// can be overridden, or you can change the id used for
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// sending the event, by calling SetAffirmativeId.
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bool wxDialog::DoOK()
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{
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const int idOk = GetAffirmativeId();
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if ( EmulateButtonClickIfPresent(idOk) )
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return true;
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wxCommandEvent event(wxEVT_BUTTON, GetAffirmativeId());
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event.SetEventObject(this);
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return HandleWindowEvent(event);
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}
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#endif // __POCKETPC__
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#if wxUSE_TOOLBAR && defined(__POCKETPC__)
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// create main toolbar by calling OnCreateToolBar()
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wxToolBar* wxDialog::CreateToolBar(long style, wxWindowID winid, const wxString& name)
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{
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m_dialogToolBar = OnCreateToolBar(style, winid, name);
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return m_dialogToolBar;
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}
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// return a new toolbar
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wxToolBar *wxDialog::OnCreateToolBar(long style,
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wxWindowID winid,
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const wxString& name)
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{
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return new wxToolMenuBar(this, winid,
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wxDefaultPosition, wxDefaultSize,
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style, name);
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}
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#endif
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// ---------------------------------------------------------------------------
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// dialog Windows messages processing
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// ---------------------------------------------------------------------------
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WXLRESULT wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
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{
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WXLRESULT rc = 0;
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bool processed = false;
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switch ( message )
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{
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#ifdef __WXWINCE__
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// react to pressing the OK button in the title
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case WM_COMMAND:
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{
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switch ( LOWORD(wParam) )
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{
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#ifdef __POCKETPC__
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case IDOK:
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processed = DoOK();
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if (!processed)
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processed = !Close();
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#endif
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#ifdef __SMARTPHONE__
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case IDM_LEFT:
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case IDM_RIGHT:
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processed = HandleCommand( LOWORD(wParam) , 0 , NULL );
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break;
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#endif // __SMARTPHONE__
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}
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break;
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}
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#endif
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case WM_CLOSE:
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// if we can't close, tell the system that we processed the
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// message - otherwise it would close us
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processed = !Close();
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break;
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case WM_SIZE:
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#if wxUSE_DIALOG_SIZEGRIP
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if ( m_hGripper )
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{
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switch ( wParam )
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{
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case SIZE_MAXIMIZED:
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ShowGripper(false);
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break;
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case SIZE_RESTORED:
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ShowGripper(true);
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}
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}
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#endif // wxUSE_DIALOG_SIZEGRIP
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// the Windows dialogs unfortunately are not meant to be resizable
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// at all and their standard class doesn't include CS_[VH]REDRAW
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// styles which means that the window is not refreshed properly
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// after the resize and no amount of WS_CLIPCHILDREN/SIBLINGS can
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// help with it - so we have to refresh it manually which certainly
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// creates flicker but at least doesn't show garbage on the screen
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rc = wxWindow::MSWWindowProc(message, wParam, lParam);
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processed = true;
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if ( HasFlag(wxFULL_REPAINT_ON_RESIZE) )
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{
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::InvalidateRect(GetHwnd(), NULL, false /* erase bg */);
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}
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break;
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}
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if ( !processed )
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rc = wxDialogBase::MSWWindowProc(message, wParam, lParam);
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return rc;
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}
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