/////////////////////////////////////////////////////////////////////////////
-// Name: common/dlgcmn.cpp
+// Name: src/common/dlgcmn.cpp
// Purpose: common (to all ports) wxDialog functions
// Author: Vadim Zeitlin
// Modified by:
// Created: 28.06.99
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#if 0
-#ifdef __GNUG__
- #pragma implementation
-#endif
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#include "wx/dialog.h"
+
#ifndef WX_PRECOMP
- #include "wx/dialog.h"
+ #include "wx/button.h"
#include "wx/dcclient.h"
#include "wx/intl.h"
#include "wx/settings.h"
#include "wx/stattext.h"
+ #include "wx/sizer.h"
+ #include "wx/containr.h"
#endif
+#include "wx/statline.h"
+#include "wx/sysopt.h"
+
+#if wxUSE_STATTEXT
+
// ----------------------------------------------------------------------------
-// constants
+// wxTextWrapper
// ----------------------------------------------------------------------------
-const long wxDialogBase::LAYOUT_X_MARGIN = 5;
-const long wxDialogBase::LAYOUT_Y_MARGIN = 5;
+// this class is used to wrap the text on word boundary: wrapping is done by
+// calling OnStartLine() and OnOutputLine() functions
+class wxTextWrapper
+{
+public:
+ wxTextWrapper() { m_eol = false; }
-const long wxDialogBase::MARGIN_BETWEEN_BUTTONS = 3*LAYOUT_X_MARGIN;
+ // win is used for getting the font, text is the text to wrap, width is the
+ // max line width or -1 to disable wrapping
+ void Wrap(wxWindow *win, const wxString& text, int widthMax);
-// ============================================================================
-// implementation
-// ============================================================================
+ // we don't need it, but just to avoid compiler warnings
+ virtual ~wxTextWrapper() { }
+
+protected:
+ // line may be empty
+ virtual void OnOutputLine(const wxString& line) = 0;
+
+ // called at the start of every new line (except the very first one)
+ virtual void OnNewLine() { }
+
+private:
+ // call OnOutputLine() and set m_eol to true
+ void DoOutputLine(const wxString& line)
+ {
+ OnOutputLine(line);
+
+ m_eol = true;
+ }
+
+ // this function is a destructive inspector: when it returns true it also
+ // resets the flag to false so calling it again woulnd't return true any
+ // more
+ bool IsStartOfNewLine()
+ {
+ if ( !m_eol )
+ return false;
+
+ m_eol = false;
+
+ return true;
+ }
+
+
+ bool m_eol;
+};
+
+#endif // wxUSE_STATTEXT
// ----------------------------------------------------------------------------
-// dialog layout functions
+// wxDialogBase
// ----------------------------------------------------------------------------
-wxSize wxDialogBase::SplitTextMessage(const wxString& message,
- wxArrayString *lines)
+BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow)
+ EVT_BUTTON(wxID_ANY, wxDialogBase::OnButton)
+
+ EVT_CLOSE(wxDialogBase::OnCloseWindow)
+
+ EVT_CHAR_HOOK(wxDialogBase::OnCharHook)
+
+ WX_EVENT_TABLE_CONTROL_CONTAINER(wxDialogBase)
+END_EVENT_TABLE()
+
+WX_DELEGATE_TO_CONTROL_CONTAINER(wxDialogBase, wxTopLevelWindow)
+
+void wxDialogBase::Init()
{
- wxClientDC dc(this);
- dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+ m_returnCode = 0;
+ m_affirmativeId = wxID_OK;
+ m_escapeId = wxID_ANY;
- wxString curLine;
- long height, width, heightTextMax = 0, widthTextMax = 0;
- for ( const wxChar *pc = message; ; pc++ )
+ // the dialogs have this flag on by default to prevent the events from the
+ // dialog controls from reaching the parent frame which is usually
+ // undesirable and can lead to unexpected and hard to find bugs
+ SetExtraStyle(GetExtraStyle() | wxWS_EX_BLOCK_EVENTS);
+
+ m_container.SetContainerWindow(this);
+}
+
+#if wxUSE_STATTEXT
+
+void wxTextWrapper::Wrap(wxWindow *win, const wxString& text, int widthMax)
+{
+ const wxChar *lastSpace = NULL;
+ wxString line;
+
+ const wxChar *lineStart = text.c_str();
+ for ( const wxChar *p = lineStart; ; p++ )
{
- if ( *pc == _T('\n') || !*pc )
+ if ( IsStartOfNewLine() )
{
-#if defined(__VISAGECPP__)
-// have two versions of this in wxWindowDC tp avoid function hiding
-// since there are two of these in wxDCBase, and in turn in wxDC.
-// VA cannot resolve this so:
- dc.GetTextExtent(curLine, &width, &height, NULL, NULL, NULL, FALSE);
-#else
- dc.GetTextExtent(curLine, &width, &height);
-#endif
- if ( width > widthTextMax )
- widthTextMax = width;
- if ( height > heightTextMax )
- heightTextMax = height;
+ OnNewLine();
+
+ lastSpace = NULL;
+ line.clear();
+ lineStart = p;
+ }
+
+ if ( *p == _T('\n') || *p == _T('\0') )
+ {
+ DoOutputLine(line);
+
+ if ( *p == _T('\0') )
+ break;
+ }
+ else // not EOL
+ {
+ if ( *p == _T(' ') )
+ lastSpace = p;
- lines->Add(curLine);
+ line += *p;
- if ( !*pc )
+ if ( widthMax >= 0 && lastSpace )
{
- // the end of string
- break;
+ int width;
+ win->GetTextExtent(line, &width, NULL);
+
+ if ( width > widthMax )
+ {
+ // remove the last word from this line
+ line.erase(lastSpace - lineStart, p + 1 - lineStart);
+ DoOutputLine(line);
+
+ // go back to the last word of this line which we didn't
+ // output yet
+ p = lastSpace;
+ }
}
+ //else: no wrapping at all or impossible to wrap
+ }
+ }
+}
- curLine.Empty();
+class wxTextSizerWrapper : public wxTextWrapper
+{
+public:
+ wxTextSizerWrapper(wxWindow *win)
+ {
+ m_win = win;
+ m_hLine = 0;
+ }
+
+ wxSizer *CreateSizer(const wxString& text, int widthMax)
+ {
+ m_sizer = new wxBoxSizer(wxVERTICAL);
+ Wrap(m_win, text, widthMax);
+ return m_sizer;
+ }
+
+protected:
+ virtual void OnOutputLine(const wxString& line)
+ {
+ if ( !line.empty() )
+ {
+ m_sizer->Add(new wxStaticText(m_win, wxID_ANY, line));
}
- else
+ else // empty line, no need to create a control for it
{
- curLine += *pc;
+ if ( !m_hLine )
+ m_hLine = m_win->GetCharHeight();
+
+ m_sizer->Add(5, m_hLine);
}
}
- return wxSize(widthTextMax, heightTextMax);
+private:
+ wxWindow *m_win;
+ wxSizer *m_sizer;
+ int m_hLine;
+};
+
+wxSizer *wxDialogBase::CreateTextSizer(const wxString& message)
+{
+ // I admit that this is complete bogus, but it makes
+ // message boxes work for pda screens temporarily..
+ int widthMax = -1;
+ const bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
+ if (is_pda)
+ {
+ widthMax = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ) - 25;
+ }
+
+ // '&' is used as accel mnemonic prefix in the wxWidgets controls but in
+ // the static messages created by CreateTextSizer() (used by wxMessageBox,
+ // for example), we don't want this special meaning, so we need to quote it
+ wxString text(message);
+ text.Replace(_T("&"), _T("&&"));
+
+ wxTextSizerWrapper wrapper(this);
+
+ return wrapper.CreateSizer(text, widthMax);
}
-long wxDialogBase::CreateTextMessage(const wxArrayString& lines,
- const wxPoint& posText,
- const wxSize& sizeText)
+class wxLabelWrapper : public wxTextWrapper
{
- wxStaticText *text;
- int y = posText.y;
- size_t nLineCount = lines.GetCount();
- for ( size_t nLine = 0; nLine < nLineCount; nLine++ )
+public:
+ void WrapLabel(wxWindow *text, int widthMax)
+ {
+ m_text.clear();
+ Wrap(text, text->GetLabel(), widthMax);
+ text->SetLabel(m_text);
+ }
+
+protected:
+ virtual void OnOutputLine(const wxString& line)
{
- text = new wxStaticText(this, -1, lines[nLine],
- wxPoint(posText.x, y),
- sizeText);
- y += sizeText.GetHeight();
+ m_text += line;
}
- return y;
+ virtual void OnNewLine()
+ {
+ m_text += _T('\n');
+ }
+
+private:
+ wxString m_text;
+};
+
+// NB: don't "factor out" the scope operator, SGI MIPSpro 7.3 (but not 7.4)
+// gets confused if it doesn't immediately follow the class name
+void
+#if defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
+wxStaticText::
+#else
+wxStaticTextBase::
+#endif
+Wrap(int width)
+{
+ wxLabelWrapper wrapper;
+ wrapper.WrapLabel(this, width);
}
-wxSize wxDialogBase::GetStandardButtonSize(bool hasCancel)
+#endif // wxUSE_STATTEXT
+
+wxSizer *wxDialogBase::CreateButtonSizer(long flags)
{
- int wButton = 0;
- GetTextExtent(_("OK"), &wButton, NULL);
+ wxSizer *sizer = NULL;
+
+#ifdef __SMARTPHONE__
+ wxDialog* dialog = (wxDialog*) this;
+ if ( flags & wxOK )
+ dialog->SetLeftMenu(wxID_OK);
+
+ if ( flags & wxCANCEL )
+ dialog->SetRightMenu(wxID_CANCEL);
+
+ if ( flags & wxYES )
+ dialog->SetLeftMenu(wxID_YES);
+
+ if ( flags & wxNO )
+ dialog->SetRightMenu(wxID_NO);
+#else // !__SMARTPHONE__
- if ( hasCancel )
+#if wxUSE_BUTTON
+
+#ifdef __POCKETPC__
+ // PocketPC guidelines recommend for Ok/Cancel dialogs to use OK button
+ // located inside caption bar and implement Cancel functionality through
+ // Undo outside dialog. As native behaviour this will be default here but
+ // can be replaced with real wxButtons by setting the option below to 1
+ if ( (flags & ~(wxCANCEL|wxNO_DEFAULT)) != wxOK ||
+ wxSystemOptions::GetOptionInt(wxT("wince.dialog.real-ok-cancel")) )
+#endif // __POCKETPC__
{
- int width;
- GetTextExtent(_("Cancel"), &width, NULL);
- if ( width > wButton )
- wButton = width;
+ sizer = CreateStdDialogButtonSizer(flags);
}
+#endif // wxUSE_BUTTON
+
+#endif // __SMARTPHONE__/!__SMARTPHONE__
- if ( wButton < 75 )
+ return sizer;
+}
+
+wxSizer *wxDialogBase::CreateSeparatedButtonSizer(long flags)
+{
+ wxSizer *sizer = CreateButtonSizer(flags);
+ if ( !sizer )
+ return NULL;
+
+ // Mac Human Interface Guidelines recommend not to use static lines as
+ // grouping elements
+#if wxUSE_STATLINE && !defined(__WXMAC__)
+ wxBoxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
+ topsizer->Add(new wxStaticLine(this),
+ wxSizerFlags().Expand().DoubleBorder(wxBOTTOM));
+ topsizer->Add(sizer, wxSizerFlags().Expand());
+ sizer = topsizer;
+#endif // wxUSE_STATLINE
+
+ return sizer;
+}
+
+#if wxUSE_BUTTON
+
+wxStdDialogButtonSizer *wxDialogBase::CreateStdDialogButtonSizer( long flags )
+{
+ wxStdDialogButtonSizer *sizer = new wxStdDialogButtonSizer();
+
+ wxButton *ok = NULL;
+ wxButton *yes = NULL;
+ wxButton *no = NULL;
+
+ if (flags & wxOK)
+ {
+ ok = new wxButton(this, wxID_OK);
+ sizer->AddButton(ok);
+ }
+
+ if (flags & wxCANCEL)
+ {
+ wxButton *cancel = new wxButton(this, wxID_CANCEL);
+ sizer->AddButton(cancel);
+ }
+
+ if (flags & wxYES)
+ {
+ yes = new wxButton(this, wxID_YES);
+ sizer->AddButton(yes);
+ }
+
+ if (flags & wxNO)
+ {
+ no = new wxButton(this, wxID_NO);
+ sizer->AddButton(no);
+ }
+
+ if (flags & wxHELP)
+ {
+ wxButton *help = new wxButton(this, wxID_HELP);
+ sizer->AddButton(help);
+ }
+
+ if (flags & wxNO_DEFAULT)
{
- // the minimal acceptable width
- wButton = 75;
+ if (no)
+ {
+ no->SetDefault();
+ no->SetFocus();
+ }
}
else
{
- // the width of the button is not just the width of the label...
- wButton += 2*LAYOUT_X_MARGIN;
+ if (ok)
+ {
+ ok->SetDefault();
+ ok->SetFocus();
+ }
+ else if (yes)
+ {
+ yes->SetDefault();
+ yes->SetFocus();
+ }
}
- // a nice looking proportion
- int hButton = (wButton * 23) / 75;
+ if (flags & wxOK)
+ SetAffirmativeId(wxID_OK);
+ else if (flags & wxYES)
+ SetAffirmativeId(wxID_YES);
+
+ sizer->Realize();
- return wxSize(wButton, hButton);
+ return sizer;
}
-void wxDialogBase::CreateStandardButtons(long wDialog,
- long y,
- long wButton,
- long hButton,
- bool hasCancel)
-{
- // NB: create [Ok] first to get the right tab order
- wxButton *ok = (wxButton *) NULL;
- wxButton *cancel = (wxButton *) NULL;
+#endif // wxUSE_BUTTON
- long x = wDialog / 2;
- if ( hasCancel )
- x -= MARGIN_BETWEEN_BUTTONS / 2 + wButton;
+// ----------------------------------------------------------------------------
+// standard buttons handling
+// ----------------------------------------------------------------------------
+
+void wxDialogBase::EndDialog(int rc)
+{
+ if ( IsModal() )
+ EndModal(rc);
else
- x -= wButton / 2;
+ Hide();
+}
+
+void wxDialogBase::AcceptAndClose()
+{
+ if ( Validate() && TransferDataFromWindow() )
+ {
+ EndDialog(m_affirmativeId);
+ }
+}
+
+void wxDialogBase::SetAffirmativeId(int affirmativeId)
+{
+ m_affirmativeId = affirmativeId;
+}
+
+void wxDialogBase::SetEscapeId(int escapeId)
+{
+ m_escapeId = escapeId;
+}
+
+bool wxDialogBase::EmulateButtonClickIfPresent(int id)
+{
+#if wxUSE_BUTTON
+ wxButton *btn = wxDynamicCast(FindWindow(id), wxButton);
+
+ if ( !btn || !btn->IsEnabled() || !btn->IsShown() )
+ return false;
+
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, id);
+ event.SetEventObject(btn);
+ btn->GetEventHandler()->ProcessEvent(event);
+
+ return true;
+#else // !wxUSE_BUTTON
+ wxUnusedVar(id);
+ return false;
+#endif // wxUSE_BUTTON/!wxUSE_BUTTON
+}
+
+bool wxDialogBase::IsEscapeKey(const wxKeyEvent& event)
+{
+ // for most platforms, Esc key is used to close the dialogs
+ return event.GetKeyCode() == WXK_ESCAPE &&
+ event.GetModifiers() == wxMOD_NONE;
+}
+
+void wxDialogBase::OnCharHook(wxKeyEvent& event)
+{
+ if ( event.GetKeyCode() == WXK_ESCAPE )
+ {
+ int idCancel = GetEscapeId();
+ switch ( idCancel )
+ {
+ case wxID_NONE:
+ // don't handle Esc specially at all
+ break;
+
+ case wxID_ANY:
+ // this value is special: it means translate Esc to wxID_CANCEL
+ // but if there is no such button, then fall back to wxID_OK
+ if ( EmulateButtonClickIfPresent(wxID_CANCEL) )
+ return;
+ idCancel = GetAffirmativeId();
+ // fall through
+
+ default:
+ // translate Esc to button press for the button with given id
+ if ( EmulateButtonClickIfPresent(idCancel) )
+ return;
+ }
+ }
- ok = new wxButton( this, wxID_OK, _("OK"),
- wxPoint(x, y),
- wxSize(wButton, hButton) );
+ event.Skip();
+}
- if ( hasCancel )
+void wxDialogBase::OnButton(wxCommandEvent& event)
+{
+ const int id = event.GetId();
+ if ( id == GetAffirmativeId() )
{
- x += MARGIN_BETWEEN_BUTTONS + wButton;
- cancel = new wxButton( this, wxID_CANCEL, _("Cancel"),
- wxPoint(x, y),
- wxSize(wButton, hButton) );
+ AcceptAndClose();
+ }
+ else if ( id == wxID_APPLY )
+ {
+ if ( Validate() )
+ TransferDataFromWindow();
+
+ // TODO: disable the Apply button until things change again
}
+ else if ( id == GetEscapeId() ||
+ (id == wxID_CANCEL && GetEscapeId() == wxID_ANY) )
+ {
+ EndDialog(wxID_CANCEL);
+ }
+ else // not a standard button
+ {
+ event.Skip();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// other event handlers
+// ----------------------------------------------------------------------------
+
+void wxDialogBase::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
+{
+ // We'll send a Cancel message by default, which may close the dialog.
+ // Check for looping if the Cancel event handler calls Close().
+
+ // Note that if a cancel button and handler aren't present in the dialog,
+ // nothing will happen when you close the dialog via the window manager, or
+ // via Close(). We wouldn't want to destroy the dialog by default, since
+ // the dialog may have been created on the stack. However, this does mean
+ // that calling dialog->Close() won't delete the dialog unless the handler
+ // for wxID_CANCEL does so. So use Destroy() if you want to be sure to
+ // destroy the dialog. The default OnCancel (above) simply ends a modal
+ // dialog, and hides a modeless dialog.
+
+ // VZ: this is horrible and MT-unsafe. Can't we reuse some of these global
+ // lists here? don't dare to change it now, but should be done later!
+ static wxList closing;
+
+ if ( closing.Member(this) )
+ return;
+
+ closing.Append(this);
+
+ wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+ cancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
- ok->SetDefault();
- ok->SetFocus();
+ closing.DeleteObject(this);
}
-long wxDialogBase::GetStandardTextHeight()
+void wxDialogBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
{
- return (3*GetCharHeight()) / 2;
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
+ Refresh();
}
projects / wxWidgets.git / blobdiff