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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3726 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
@@ -1,95 +1,221 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: control.cpp
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// Purpose: wxControl class
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// Author: AUTHOR
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// Author: David Webster
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// Modified by:
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// Created: ??/??/98
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// Created: 09/17/99
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// RCS-ID: $Id$
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// Copyright: (c) AUTHOR
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// Licence: wxWindows licence
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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 "control.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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#ifndef WX_PRECOMP
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#include "wx/event.h"
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#include "wx/app.h"
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#include "wx/dcclient.h"
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#endif
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#include "wx/control.h"
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
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BEGIN_EVENT_TABLE(wxControl, wxWindow)
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EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
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END_EVENT_TABLE()
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#endif
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// Item members
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wxControl::wxControl()
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{
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m_backgroundColour = *wxWHITE;
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m_foregroundColour = *wxBLACK;
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m_callback = 0;
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m_backgroundColour = *wxWHITE;
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m_foregroundColour = *wxBLACK;
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#if WXWIN_COMPATIBILITY
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m_callback = 0;
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#endif // WXWIN_COMPATIBILITY
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}
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wxControl::~wxControl()
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{
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// If we delete an item, we should initialize the parent panel,
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// because it could now be invalid.
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wxWindow *parent = (wxWindow *)GetParent();
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if (parent)
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m_isBeingDeleted = TRUE;
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}
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bool wxControl::OS2CreateControl(const wxChar *classname, WXDWORD style)
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{
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m_hWnd = (WXHWND)::CreateWindowEx
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(
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GetExStyle(style), // extended style
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classname, // the kind of control to create
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NULL, // the window name
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style, // the window style
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0, 0, 0, 0, // the window position and size
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GetHwndOf(GetParent()), // parent
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(HMENU)GetId(), // child id
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wxGetInstance(), // app instance
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NULL // creation parameters
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);
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if ( !m_hWnd )
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{
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if (parent->GetDefaultItem() == (wxButton*) this)
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parent->SetDefaultItem(NULL);
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#ifdef __WXDEBUG__
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wxLogError(_T("Failed to create a control of class '%s'"), classname);
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#endif // DEBUG
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return FALSE;
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}
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// subclass again for purposes of dialog editing mode
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SubclassWin(m_hWnd);
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// controls use the same font and colours as their parent dialog by default
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InheritAttributes();
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return TRUE;
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}
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void wxControl::SetLabel(const wxString& label)
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wxSize wxControl::DoGetBestSize()
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{
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// TODO
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return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
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}
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wxString wxControl::GetLabel() const
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bool wxControl::ProcessCommand(wxCommandEvent& event)
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{
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// TODO
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return wxString("");
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}
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void wxControl::ProcessCommand (wxCommandEvent & event)
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{
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// Tries:
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// 1) A callback function (to become obsolete)
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// 2) OnCommand, starting at this window and working up parent hierarchy
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// 3) OnCommand then calls ProcessEvent to search the event tables.
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if (m_callback)
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#if WXWIN_COMPATIBILITY
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if ( m_callback )
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{
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(void) (*(m_callback)) (*this, event);
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(void)(*m_callback)(this, event);
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return TRUE;
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}
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else
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{
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GetEventHandler()->OnCommand(*this, event);
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}
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#endif // WXWIN_COMPATIBILITY
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return GetEventHandler()->ProcessEvent(event);
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}
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void wxControl::Centre (int direction)
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bool wxControl::OS2OnNotify(int idCtrl,
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WXLPARAM lParam,
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WXLPARAM* result)
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{
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int x, y, width, height, panel_width, panel_height, new_x, new_y;
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wxCommandEvent event(wxEVT_NULL, m_windowId);
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wxEventType eventType = wxEVT_NULL;
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NMHDR *hdr1 = (NMHDR*) lParam;
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switch ( hdr1->code )
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{
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case NM_CLICK:
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eventType = wxEVT_COMMAND_LEFT_CLICK;
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break;
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wxWindow *parent = (wxWindow *) GetParent ();
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if (!parent)
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return;
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case NM_DBLCLK:
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eventType = wxEVT_COMMAND_LEFT_DCLICK;
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break;
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parent->GetClientSize (&panel_width, &panel_height);
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GetSize (&width, &height);
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GetPosition (&x, &y);
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case NM_RCLICK:
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eventType = wxEVT_COMMAND_RIGHT_CLICK;
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break;
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new_x = x;
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new_y = y;
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case NM_RDBLCLK:
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eventType = wxEVT_COMMAND_RIGHT_DCLICK;
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break;
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if (direction & wxHORIZONTAL)
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new_x = (int) ((panel_width - width) / 2);
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case NM_SETFOCUS:
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eventType = wxEVT_COMMAND_SET_FOCUS;
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break;
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if (direction & wxVERTICAL)
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new_y = (int) ((panel_height - height) / 2);
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case NM_KILLFOCUS:
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eventType = wxEVT_COMMAND_KILL_FOCUS;
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break;
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SetSize (new_x, new_y, width, height);
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case NM_RETURN:
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eventType = wxEVT_COMMAND_ENTER;
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break;
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default:
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return wxWindow::OS2OnNotify(idCtrl, lParam, result);
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}
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event.SetEventType(eventType);
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event.SetEventObject(this);
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return GetEventHandler()->ProcessEvent(event);
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}
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void wxControl::OnEraseBackground(wxEraseEvent& event)
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{
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// In general, you don't want to erase the background of a control,
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// or you'll get a flicker.
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// TODO: move this 'null' function into each control that
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// might flicker.
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RECT rect;
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/*
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* below is msw code.
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* TODO: convert to PM Code
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* ::GetClientRect((HWND) GetHWND(), &rect);
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*
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* HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(),
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* GetBackgroundColour().Green(),
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* GetBackgroundColour().Blue()));
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* int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
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*
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* ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
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* ::DeleteObject(hBrush);
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* ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
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*/
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}
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WXDWORD wxControl::GetExStyle(WXDWORD& style) const
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{
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bool want3D;
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WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
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// Even with extended styles, need to combine with WS_BORDER
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// for them to look right.
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if ( want3D || wxStyleHasBorder(m_windowStyle) )
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style |= WS_BORDER;
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return exStyle;
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}
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// ---------------------------------------------------------------------------
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// global functions
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// ---------------------------------------------------------------------------
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// Call this repeatedly for several wnds to find the overall size
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// of the widget.
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// Call it initially with -1 for all values in rect.
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// Keep calling for other widgets, and rect will be modified
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// to calculate largest bounding rectangle.
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void wxFindMaxSize(WXHWND wnd, RECT *rect)
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{
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int left = rect->left;
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int right = rect->right;
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int top = rect->top;
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int bottom = rect->bottom;
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GetWindowRect((HWND) wnd, rect);
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if (left < 0)
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return;
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if (left < rect->left)
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rect->left = left;
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if (right > rect->right)
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rect->right = right;
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if (top < rect->top)
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rect->top = top;
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if (bottom > rect->bottom)
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rect->bottom = bottom;
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}
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