X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dec48aa578d886cf26559dc80141fac5f628ff08..180b5b4827d08f1ac13bbb5eca03f775ab35a0b1:/src/common/dlgcmn.cpp diff --git a/src/common/dlgcmn.cpp b/src/common/dlgcmn.cpp index 91e11accb1..5621cbc6a9 100644 --- a/src/common/dlgcmn.cpp +++ b/src/common/dlgcmn.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/dlgcmn.cpp +// Name: src/common/dlgcmn.cpp // Purpose: common (to all ports) wxDialog functions // Author: Vadim Zeitlin // Modified by: @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "dialogbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,154 +24,117 @@ #pragma hdrstop #endif +#include "wx/dialog.h" + #ifndef WX_PRECOMP + #include "wx/app.h" #include "wx/button.h" - #include "wx/dialog.h" #include "wx/dcclient.h" #include "wx/intl.h" #include "wx/settings.h" #include "wx/stattext.h" #include "wx/sizer.h" - #include "wx/button.h" #include "wx/containr.h" #endif -#if wxUSE_STATTEXT - -// ---------------------------------------------------------------------------- -// wxTextWrapper -// ---------------------------------------------------------------------------- - -// 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; } - - // 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); - - // we don't need it, but just to avoid compiler warnings - virtual ~wxTextWrapper() { } +#include "wx/statline.h" +#include "wx/sysopt.h" +#include "wx/private/stattext.h" -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 // ---------------------------------------------------------------------------- // wxDialogBase // ---------------------------------------------------------------------------- -// FIXME - temporary hack in absence of wxTopLevelWindow, should be always used -#ifdef wxTopLevelWindowNative BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow) - WX_EVENT_TABLE_CONTROL_CONTAINER(wxDialogBase) -END_EVENT_TABLE() + EVT_BUTTON(wxID_ANY, wxDialogBase::OnButton) -WX_DELEGATE_TO_CONTROL_CONTAINER(wxDialogBase) -#endif + EVT_CLOSE(wxDialogBase::OnCloseWindow) + + EVT_CHAR_HOOK(wxDialogBase::OnCharHook) +END_EVENT_TABLE() void wxDialogBase::Init() { m_returnCode = 0; m_affirmativeId = wxID_OK; - + m_escapeId = wxID_ANY; + // 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); +} -#ifdef wxTopLevelWindowNative // FIXME - temporary hack, should be always used! - m_container.SetContainerWindow(this); -#endif +// helper of GetParentForModalDialog() +static bool CanBeUsedAsParent(wxWindow *parent) +{ + extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete; + + return !parent->HasExtraStyle(wxWS_EX_TRANSIENT) && + parent->IsShownOnScreen() && + !wxPendingDelete.Member(parent) && + !parent->IsBeingDeleted(); +} + +wxWindow *wxDialogBase::GetParentForModalDialog(wxWindow *parent) const +{ + // creating a parent-less modal dialog will result (under e.g. wxGTK2) + // in an unfocused dialog, so try to find a valid parent for it: + if ( parent ) + parent = wxGetTopLevelParent(parent); + + if ( !parent || !CanBeUsedAsParent(parent) ) + parent = wxTheApp->GetTopWindow(); + + if ( parent && !CanBeUsedAsParent(parent) ) + { + // can't use this one, it's going to disappear + parent = NULL; + } + + return parent; } #if wxUSE_STATTEXT -void wxTextWrapper::Wrap(wxWindow *win, const wxString& text, int widthMax) +class wxTextSizerWrapper : public wxTextWrapper { - const wxChar *lastSpace = NULL; - wxString line; - - const wxChar *lineStart = text.c_str(); - for ( const wxChar *p = lineStart; ; p++ ) +public: + wxTextSizerWrapper(wxWindow *win) { - if ( IsStartOfNewLine() ) - { - OnNewLine(); + m_win = win; + m_hLine = 0; + } - lastSpace = NULL; - line.clear(); - lineStart = p; - } + wxSizer *CreateSizer(const wxString& text, int widthMax) + { + m_sizer = new wxBoxSizer(wxVERTICAL); + Wrap(m_win, text, widthMax); + return m_sizer; + } - if ( *p == _T('\n') || *p == _T('\0') ) +protected: + virtual void OnOutputLine(const wxString& line) + { + if ( !line.empty() ) { - DoOutputLine(line); - - if ( *p == _T('\0') ) - break; + m_sizer->Add(new wxStaticText(m_win, wxID_ANY, line)); } - else // not EOL + else // empty line, no need to create a control for it { - if ( *p == _T(' ') ) - lastSpace = p; - - line += *p; - - if ( widthMax >= 0 && lastSpace ) - { - 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 + if ( !m_hLine ) + m_hLine = m_win->GetCharHeight(); + + m_sizer->Add(5, m_hLine); } } -} + +private: + wxWindow *m_win; + wxSizer *m_sizer; + int m_hLine; +}; wxSizer *wxDialogBase::CreateTextSizer(const wxString& message) { @@ -194,151 +153,125 @@ wxSizer *wxDialogBase::CreateTextSizer(const wxString& message) wxString text(message); text.Replace(_T("&"), _T("&&")); - - class TextSizerWrapper : public wxTextWrapper - { - public: - TextSizerWrapper(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 // empty line, no need to create a control for it - { - if ( !m_hLine ) - m_hLine = m_win->GetCharHeight(); - - m_sizer->Add(5, m_hLine); - } - } - - private: - wxWindow *m_win; - wxSizer *m_sizer; - int m_hLine; - }; - - TextSizerWrapper wrapper(this); + wxTextSizerWrapper wrapper(this); return wrapper.CreateSizer(text, widthMax); } -void -#ifdef __WXGTK__ -wxStaticText -#else -wxStaticTextBase -#endif -::Wrap(int width) -{ - class LabelWrapper : public wxTextWrapper - { - 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) - { - m_text += line; - } - - virtual void OnNewLine() - { - m_text += _T('\n'); - } - - private: - wxString m_text; - }; - - LabelWrapper wrapper; - wrapper.WrapLabel(this, width); -} - #endif // wxUSE_STATTEXT -#if wxUSE_BUTTON - -wxSizer *wxDialogBase::CreateButtonSizer( long flags ) +wxSizer *wxDialogBase::CreateButtonSizer(long flags) { + wxSizer *sizer = NULL; + #ifdef __SMARTPHONE__ wxDialog* dialog = (wxDialog*) this; - if (flags & wxOK){ + if ( flags & wxOK ) dialog->SetLeftMenu(wxID_OK); - } - if (flags & wxCANCEL){ + if ( flags & wxCANCEL ) dialog->SetRightMenu(wxID_CANCEL); - } - if (flags & wxYES){ + if ( flags & wxYES ) dialog->SetLeftMenu(wxID_YES); - } - if (flags & wxNO){ - dialog->SetLeftMenu(wxID_NO); + if ( flags & wxNO ) + dialog->SetRightMenu(wxID_NO); +#else // !__SMARTPHONE__ + +#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__ + { + sizer = CreateStdDialogButtonSizer(flags); } - wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL); +#else // !wxUSE_BUTTON + wxUnusedVar(flags); +#endif // wxUSE_BUTTON/!wxUSE_BUTTON + +#endif // __SMARTPHONE__/!__SMARTPHONE__ + return sizer; -#else - return CreateStdDialogButtonSizer( flags ); -#endif } +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){ + if (flags & wxOK) + { ok = new wxButton(this, wxID_OK); sizer->AddButton(ok); } - if (flags & wxCANCEL){ + if (flags & wxCANCEL) + { wxButton *cancel = new wxButton(this, wxID_CANCEL); sizer->AddButton(cancel); } - if (flags & wxYES){ + if (flags & wxYES) + { yes = new wxButton(this, wxID_YES); sizer->AddButton(yes); } - if (flags & wxNO){ + if (flags & wxNO) + { no = new wxButton(this, wxID_NO); sizer->AddButton(no); } - if (flags & wxHELP){ + if (flags & wxAPPLY) + { + wxButton *apply = new wxButton(this, wxID_APPLY); + sizer->AddButton(apply); + } + + if (flags & wxCLOSE) + { + wxButton *close = new wxButton(this, wxID_CLOSE); + sizer->AddButton(close); + } + + if (flags & wxHELP) + { wxButton *help = new wxButton(this, wxID_HELP); sizer->AddButton(help); } - sizer->Realize(); - if (flags & wxNO_DEFAULT) { if (no) @@ -360,14 +293,169 @@ wxStdDialogButtonSizer *wxDialogBase::CreateStdDialogButtonSizer( long flags ) yes->SetFocus(); } } - + if (flags & wxOK) SetAffirmativeId(wxID_OK); else if (flags & wxYES) SetAffirmativeId(wxID_YES); + sizer->Realize(); + return sizer; } - #endif // wxUSE_BUTTON + +// ---------------------------------------------------------------------------- +// standard buttons handling +// ---------------------------------------------------------------------------- + +void wxDialogBase::EndDialog(int rc) +{ + if ( IsModal() ) + EndModal(rc); + else + 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; + } + } + + event.Skip(); +} + +void wxDialogBase::OnButton(wxCommandEvent& event) +{ + const int id = event.GetId(); + if ( id == GetAffirmativeId() ) + { + 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 + + closing.DeleteObject(this); +} + +void wxDialogBase::OnSysColourChanged(wxSysColourChangedEvent& event) +{ +#ifndef __WXGTK__ + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); + Refresh(); +#endif + + event.Skip(); +}