#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"
#endif
#include "wx/msw/private.h"
const wxValidator& validator,
const wxString& name)
{
- if ( !CreateBase(parent, id, pos, size, style, name) )
+ if ( !CreateBase(parent, id, pos, size, style, validator, name) )
return FALSE;
- SetValidator(validator);
-
parent->AddChild((wxButton *)this);
m_backgroundColour = parent->GetBackgroundColour() ;
m_hWnd = (WXHWND)CreateWindowEx
(
MakeExtendedStyle(m_windowStyle),
- _T("BUTTON"),
+ wxT("BUTTON"),
label,
WS_VISIBLE | WS_TABSTOP | WS_CHILD,
- 0, 0, 0, 0,
+ 0, 0, 0, 0,
GetWinHwnd(parent),
(HMENU)m_windowId,
wxGetInstance(),
SetSize(pos.x, pos.y, size.x, size.y);
+ // bad hack added by Robert to make buttons at least
+ // 80 pixels wide. There are probably better ways...
+ // TODO. FIXME.
+ wxSize nsize( GetSize() );
+ if ((nsize.x < 80) || (nsize.y < 23))
+ {
+ if ((size.x == -1) && (nsize.x < 80))
+ nsize.x = 80;
+ if ((size.y == -1) && (nsize.y < 23))
+ nsize.y = 23;
+ SetSize( nsize );
+ }
+
return TRUE;
}
// size management including autosizing
// ----------------------------------------------------------------------------
-void wxButton::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+wxSize wxButton::DoGetBestSize()
{
- int currentX, currentY;
- GetPosition(¤tX, ¤tY);
- int x1 = x;
- int y1 = y;
- if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- x1 = currentX;
- if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- y1 = currentY;
-
- AdjustForParentClientOrigin(x1, y1, sizeFlags);
-
- int actualWidth = width;
- int actualHeight = height;
- int ww, hh;
- GetSize(&ww, &hh);
-
- int current_width;
- int cyf;
- wxString buf = wxGetWindowText(GetHWND());
- GetTextExtent(buf, ¤t_width, &cyf, NULL, NULL, &GetFont());
-
- // If we're prepared to use the existing width, then...
- if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH))
- {
- actualWidth = ww;
- }
- else if (width == -1)
- {
- int cx;
- int cy;
- wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
- actualWidth = (int)(current_width + 3*cx) ;
- }
+ wxString label = wxGetWindowText(GetHWND());
+ int wBtn;
+ GetTextExtent(label, &wBtn, NULL);
- // If we're prepared to use the existing height, then...
- if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT))
- {
- actualHeight = hh;
- }
- else if (height == -1)
+ int wChar, hChar;
+ wxGetCharSize(GetHWND(), &wChar, &hChar, &GetFont());
+
+ // add a margin - the button is wider than just its label
+ wBtn += 3*wChar;
+
+ // the button height is proportional to the height of the font used
+ int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar);
+
+ return wxSize(wBtn, hBtn);
+}
+
+/* static */
+wxSize wxButton::GetDefaultSize()
+{
+ static wxSize s_sizeBtn;
+
+ if ( s_sizeBtn.x == 0 )
{
- actualHeight = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cyf);
+ wxScreenDC dc;
+ dc.SetFont(wxSystemSettings::GetSystemFont(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!
+ s_sizeBtn.x = (50 * (dc.GetCharWidth() + 1))/4;
+ s_sizeBtn.y = ((14 * dc.GetCharHeight()) + 2)/8;
}
- MoveWindow(GetHwnd(), x1, y1, actualWidth, actualHeight, TRUE);
+ return s_sizeBtn;
}
+// ----------------------------------------------------------------------------
+// set this button as the default one in its panel
+// ----------------------------------------------------------------------------
+
void wxButton::SetDefault()
{
wxWindow *parent = GetParent();
+ wxButton *btnOldDefault = NULL;
wxPanel *panel = wxDynamicCast(parent, wxPanel);
if ( panel )
+ {
+ btnOldDefault = panel->GetDefaultItem();
panel->SetDefaultItem(this);
+ }
if ( parent )
{
SendMessage(GetWinHwnd(parent), DM_SETDEFID, m_windowId, 0L);
}
- SendMessage(GetHwnd(), BM_SETSTYLE, BS_DEFPUSHBUTTON, 1L);
+ // this doesn't work with bitmap buttons because it also removes the
+ // "ownerdrawn" style...
+ if ( btnOldDefault && !wxDynamicCast(btnOldDefault, wxBitmapButton) )
+ {
+ // remove the BS_DEFPUSHBUTTON style from the other button
+ long style = GetWindowLong(GetHwndOf(btnOldDefault), GWL_STYLE);
+ style &= ~BS_DEFPUSHBUTTON;
+ SendMessage(GetHwndOf(btnOldDefault), BM_SETSTYLE, style, 1L);
+ }
+
+ // set this button as the default
+ long style = GetWindowLong(GetHwnd(), GWL_STYLE);
+ style |= BS_DEFPUSHBUTTON;
+ SendMessage(GetHwnd(), BM_SETSTYLE, style, 1L);
}
// ----------------------------------------------------------------------------
bool wxButton::MSWCommand(WXUINT param, WXWORD id)
{
bool processed = FALSE;
- if ( param == BN_CLICKED || param == 1 ) // 1 for accelerator
+ switch ( param )
{
- processed = SendClickEvent();
+ case 1: // means that the message came from an accelerator
+ case BN_CLICKED:
+ processed = SendClickEvent();
+ break;
}
return processed;
WXWPARAM wParam,
WXLPARAM lParam)
{
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+ const HDC& hdc = (HDC)pDC;
+
+ const wxColour& colBack = GetBackgroundColour();
+ ::SetBkColor(hdc, RGB(colBack.Red(), colBack.Green(), colBack.Blue()));
+
+ const wxColour& colFor = GetForegroundColour();
+ ::SetTextColor(hdc, RGB(colFor.Red(), colFor.Green(), colFor.Blue()));
- return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+ ::SetBkMode(hdc, OPAQUE);
+
+ wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(colBack,
+ wxSOLID);
+ backgroundBrush->RealizeResource();
+ return (WXHBRUSH)backgroundBrush->GetResourceHandle();
}
+long wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ // make sure that we won't have BS_DEFPUSHBUTTON style any more if the
+ // focus is being transfered to another button with the same parent -
+ // otherwise, we could finish with 2 default buttons inside one panel
+ if ( (nMsg == WM_KILLFOCUS) &&
+ (GetWindowLong(GetHwnd(), GWL_STYLE) & BS_DEFPUSHBUTTON) )
+ {
+ wxWindow *parent = GetParent();
+ wxWindow *win = wxFindWinFromHandle((WXHWND)wParam);
+ if ( win && win->GetParent() == parent )
+ {
+ wxPanel *panel = wxDynamicCast(parent, wxPanel);
+ if ( panel )
+ {
+ panel->SetDefaultItem(this);
+ }
+ // else: I don't know what to do - we'll still have the problem
+ // with multiple default buttons in a dialog...
+ }
+ }
+
+ // let the base class do all real processing
+ return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
projects / wxWidgets.git / blobdiff