/////////////////////////////////////////////////////////////////////////////
// Name: button.cpp
// Purpose: wxButton
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/13/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "button.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/button.h"
+ #include "wx/brush.h"
+ #include "wx/panel.h"
+ #include "wx/bmpbuttn.h"
+ #include "wx/settings.h"
+ #include "wx/dcscreen.h"
+ #include "wx/scrolwin.h"
#endif
-#include "wx/button.h"
+#include "wx/os2/private.h"
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
+#define BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cy) (11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)/10)
+
+//
+// Should be at the very least less than winDEFAULT_BUTTON_MARGIN
+//
+#define FOCUS_MARGIN 3
+
+#ifndef BST_CHECKED
+#define BST_CHECKED 0x0001
#endif
+IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
+
// Button
-bool wxButton::Create(wxWindow *parent, wxWindowID id, const wxString& label,
- const wxPoint& pos,
- const wxSize& size, long style,
- const wxValidator& validator,
- const wxString& name)
+bool wxButton::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, const wxString& rsLabel
+, const wxPoint& rPos
+, const wxSize& rSize
+, long lStyle
+#if wxUSE_VALIDATORS
+, const wxValidator& rValidator
+#endif
+, const wxString& rsName
+)
{
- SetName(name);
- SetValidator(validator);
- m_windowStyle = style;
-
- parent->AddChild((wxButton *)this);
-
- if (id == -1)
+ SetName(rsName);
+#if wxUSE_VALIDATORS
+ SetValidator(rValidator);
+#endif
+ m_windowStyle = lStyle;
+ pParent->AddChild((wxButton *)this);
+ if (vId == -1)
m_windowId = NewControlId();
else
- m_windowId = id;
+ m_windowId = vId;
+ lStyle = WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON;
- // TODO: create button
+ //
+ // OS/2 PM does not have Right/Left/Top/Bottom styles.
+ // We will have to define an additional style when we implement notebooks
+ // for a notebook page button
+ //
+ if (m_windowStyle & wxCLIP_SIBLINGS )
+ lStyle |= WS_CLIPSIBLINGS;
- return FALSE;
-}
+ m_hWnd = (WXHWND)::WinCreateWindow( GetHwndOf(pParent) // Parent handle
+ ,WC_BUTTON // A Button class window
+ ,(PSZ)rsLabel.c_str() // Button text
+ ,lStyle // Button style
+ ,0, 0, 0, 0 // Location and size
+ ,GetHwndOf(pParent) // Owner handle
+ ,HWND_TOP // Top of Z-Order
+ ,vId // Identifier
+ ,NULL // No control data
+ ,NULL // No Presentation parameters
+ );
+ if (m_hWnd == 0)
+ {
+ return FALSE;
+ }
-void wxButton::SetSize(int x, int y, int width, int height, int sizeFlags)
+ //
+ // Subclass again for purposes of dialog editing mode
+ //
+ SubclassWin(m_hWnd);
+ wxFont* pButtonFont = new wxFont( 8
+ ,wxSWISS
+ ,wxNORMAL
+ ,wxNORMAL
+ );
+ SetFont(*pButtonFont);
+ SetXComp(0);
+ SetYComp(0);
+ SetSize( rPos.x
+ ,rPos.y
+ ,rSize.x
+ ,rSize.y
+ );
+ delete pButtonFont;
+ return TRUE;
+} // end of wxButton::Create
+
+wxButton::~wxButton()
{
- // TODO
-}
+ wxPanel* pPanel = wxDynamicCast(GetParent(), wxPanel);
+
+ if (pPanel)
+ {
+ if (pPanel->GetDefaultItem() == this)
+ {
+ //
+ // Don't leave the panel with invalid default item
+ //
+ pPanel->SetDefaultItem(NULL);
+ }
+ }
+} // end of wxButton::~wxButton
+
+// ----------------------------------------------------------------------------
+// size management including autosizing
+// ----------------------------------------------------------------------------
+
+wxSize wxButton::DoGetBestSize() const
+{
+ wxString rsLabel = wxGetWindowText(GetHWND());
+ int nWidthButton;
+ int nWidthChar;
+ int nHeightChar;
+
+ GetTextExtent( rsLabel
+ ,&nWidthButton
+ ,NULL
+ );
+
+ wxGetCharSize( GetHWND()
+ ,&nWidthChar
+ ,&nHeightChar
+ ,(wxFont*)&GetFont()
+ );
+
+ //
+ // Add a margin - the button is wider than just its label
+ //
+ nWidthButton += 3 * nWidthChar;
+
+ //
+ // The button height is proportional to the height of the font used
+ //
+ int nHeightButton = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(nHeightChar);
+
+ //
+ // Need a little extra to make it look right
+ //
+ nHeightButton += nHeightChar/1.5;
+
+ wxSize vSize = GetDefaultSize();
+
+ if (nWidthButton > vSize.x)
+ vSize.x = nWidthButton;
+ if (nHeightButton > vSize.y)
+ vSize.y = nHeightButton;
+ return vSize;
+} // end of wxButton::DoGetBestSize
+
+/* static */
+wxSize wxButton::GetDefaultSize()
+{
+ static wxSize vSizeBtn;
+
+ if (vSizeBtn.x == 0)
+ {
+ wxScreenDC vDc;
+
+ vDc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+
+ //
+ // The size of a standard button in the dialog units is 50x14,
+ // translate this to pixels
+ // NB1: the multipliers come from the Windows convention
+ // NB2: the extra +1/+2 were needed to get the size be the same as the
+ // size of the buttons in the standard dialog - I don't know how
+ // this happens, but on my system this size is 75x23 in pixels and
+ // 23*8 isn't even divisible by 14... Would be nice to understand
+ // why these constants are needed though!
+ vSizeBtn.x = (50 * (vDc.GetCharWidth() + 1))/4;
+ vSizeBtn.y = ((14 * vDc.GetCharHeight()) + 2)/8;
+ }
+ return vSizeBtn;
+} // end of wxButton::GetDefaultSize
+
+void wxButton::Command (
+ wxCommandEvent& rEvent
+)
+{
+ ProcessCommand (rEvent);
+} // end of wxButton::Command
+
+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------
+
+bool wxButton::SendClickEvent()
+{
+ wxCommandEvent vEvent( wxEVT_COMMAND_BUTTON_CLICKED
+ ,GetId()
+ );
+
+ vEvent.SetEventObject(this);
+ return ProcessCommand(vEvent);
+} // end of wxButton::SendClickEvent
void wxButton::SetDefault()
{
- wxWindow *parent = GetParent();
- wxButton *btnOldDefault = NULL;
- wxPanel *panel = wxDynamicCast(parent, wxPanel);
- if (panel)
- panel->SetDefaultItem(this);
+ wxWindow* pParent = GetParent();
+ wxButton* pBtnOldDefault = NULL;
+ wxPanel* pPanel = wxDynamicCast(pParent, wxPanel);
+ long lStyle = 0L;
+
+ if (pParent)
+ {
+ wxWindow* pWinOldDefault = pParent->SetDefaultItem(this);
+
+ pBtnOldDefault = wxDynamicCast(pWinOldDefault, wxButton);
+ }
+ if (pBtnOldDefault && pBtnOldDefault != this)
+ {
+ //
+ // Remove the BS_DEFPUSHBUTTON style from the other button
+ //
+ lStyle = ::WinQueryWindowULong(GetHwndOf(pBtnOldDefault), QWL_STYLE);
+
+ //
+ // Don't do it with the owner drawn buttons because it will reset
+ // BS_OWNERDRAW style bit too (BS_OWNERDRAW & BS_DEFPUSHBUTTON != 0)!
+ //
+ if ((lStyle & BS_USERBUTTON) != BS_USERBUTTON)
+ {
+ lStyle &= ~BS_DEFAULT;
+ ::WinSetWindowULong(GetHwndOf(pBtnOldDefault), QWL_STYLE, lStyle);
+ }
+ else
+ {
+ //
+ // Redraw the button - it will notice itself that it's not the
+ // default one any longer
+ //
+ pBtnOldDefault->Refresh();
+ }
+ }
+
+ //
+ // Set this button as the default
+ //
+ lStyle = ::WinQueryWindowULong(GetHwnd(), QWL_STYLE);
+ if ((lStyle & BS_USERBUTTON) != BS_USERBUTTON)
+ {
+ lStyle != BS_DEFAULT;
+ ::WinSetWindowULong(GetHwnd(), QWL_STYLE, lStyle);
+ }
+} // end of wxButton::SetDefault
+
+// ----------------------------------------------------------------------------
+// event/message handlers
+// ----------------------------------------------------------------------------
+
+bool wxButton::OS2Command(
+ WXUINT uParam
+, WXWORD wId
+)
+{
+ bool bProcessed = FALSE;
+
+ switch (uParam)
+ {
+ case BN_CLICKED: // normal buttons send this
+ case BN_DBLCLICKED: // owner-drawn ones also send this
+ bProcessed = SendClickEvent();
+ break;
+ }
+ return bProcessed;
+} // end of wxButton::OS2Command
+
+WXHBRUSH wxButton::OnCtlColor(
+ WXHDC pDC
+, WXHWND pWnd
+, WXUINT nCtlColor
+, WXUINT uMessage
+, WXWPARAM wParam
+, WXLPARAM lParam
+)
+{
+ wxBrush* pBackgroundBrush = wxTheBrushList->FindOrCreateBrush( GetBackgroundColour()
+ ,wxSOLID
+ );
- // TODO: make button the default
-}
+ return (WXHBRUSH)pBackgroundBrush->GetResourceHandle();
+} // end of wxButton::OnCtlColor
-wxString wxButton::GetLabel() const
+void wxButton::MakeOwnerDrawn()
{
- // TODO
- return wxString("");
-}
+ long lStyle = 0L;
-void wxButton::SetLabel(const wxString& label)
+ lStyle = ::WinQueryWindowULong(GetHwnd(), QWL_STYLE);
+ if ((lStyle & BS_USERBUTTON) != BS_USERBUTTON)
+ {
+ //
+ // Make it so
+ //
+ lStyle |= BS_USERBUTTON;
+ ::WinSetWindowULong(GetHwnd(), QWL_STYLE, lStyle);
+ }
+} // end of wxButton::MakeOwnerDrawn
+
+WXDWORD wxButton::OS2GetStyle(
+ long lStyle
+, WXDWORD* pdwExstyle
+) const
{
- // TODO
-}
+ //
+ // Buttons never have an external border, they draw their own one
+ //
+ WXDWORD dwStyle = wxControl::OS2GetStyle( (lStyle & ~wxBORDER_MASK) | wxBORDER_NONE
+ ,pdwExstyle
+ );
+
+ //
+ // We must use WS_CLIPSIBLINGS with the buttons or they would draw over
+ // each other in any resizeable dialog which has more than one button in
+ // the bottom
+ //
+ dwStyle |= WS_CLIPSIBLINGS;
+ return dwStyle;
+} // end of wxButton::OS2GetStyle
-void wxButton::Command (wxCommandEvent & event)
+MRESULT wxButton::WindowProc(
+ WXUINT uMsg
+, WXWPARAM wParam
+, WXLPARAM lParam
+)
{
- ProcessCommand (event);
-}
+ //
+ // When we receive focus, we want to become the default button in our
+ // parent panel
+ //
+ if (uMsg == WM_SETFOCUS)
+ {
+ SetDefault();
+
+ //
+ // Let the default processign take place too
+ //
+ }
+
+ else if (uMsg == WM_BUTTON1DBLCLK)
+ {
+ //
+ // Emulate a click event to force an owner-drawn button to change its
+ // appearance - without this, it won't do it
+ //
+ (void)wxControl::OS2WindowProc( WM_BUTTON1DOWN
+ ,wParam
+ ,lParam
+ );
+
+ //
+ // And conitnue with processing the message normally as well
+ //
+ }
+
+ //
+ // Let the base class do all real processing
+ //
+ return (wxControl::OS2WindowProc( uMsg
+ ,wParam
+ ,lParam
+ ));
+} // end of wxWindowProc
projects / wxWidgets.git / blobdiff