///////////////////////////////////////////////////////////////////////////// // Name: msgdlgg.cpp // Purpose: wxGenericMessageDialog // Author: Julian Smart, Robert Roebling // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart, Markus Holzem, Robert Roebling // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ #pragma implementation "msgdlgg.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/utils.h" #include "wx/dialog.h" #include "wx/button.h" #include "wx/stattext.h" #include "wx/statbmp.h" #include "wx/layout.h" #include "wx/intl.h" #include "wx/icon.h" # include "wx/app.h" #endif #include #include #include "wx/generic/msgdlgg.h" #if wxUSE_STATLINE #include "wx/statline.h" #endif // ---------------------------------------------------------------------------- // icons // ---------------------------------------------------------------------------- #if !USE_SHARED_LIBRARY BEGIN_EVENT_TABLE(wxGenericMessageDialog, wxDialog) EVT_BUTTON(wxID_YES, wxGenericMessageDialog::OnYes) EVT_BUTTON(wxID_NO, wxGenericMessageDialog::OnNo) EVT_BUTTON(wxID_CANCEL, wxGenericMessageDialog::OnCancel) END_EVENT_TABLE() IMPLEMENT_CLASS(wxGenericMessageDialog, wxDialog) #endif #ifdef _WXGTK__ # include "wx/gtk/info.xpm" # include "wx/gtk/error.xpm" # include "wx/gtk/question.xpm" # include "wx/gtk/warning.xpm" #else // MSW icons are in the ressources, for all other platforms - in XPM files # ifndef __WXMSW__ # include "wx/generic/info.xpm" # include "wx/generic/question.xpm" # include "wx/generic/warning.xpm" # include "wx/generic/error.xpm" # endif // __WXMSW__ #endif wxIcon wxApp::GetStdIcon(int which) const { switch(which) { case wxICON_INFORMATION: return wxIcon(info_xpm); break; case wxICON_HAND: return wxIcon(error_xpm); break; case wxICON_QUESTION: return wxIcon(question_xpm); break; case wxICON_EXCLAMATION: return wxIcon(warning_xpm); break; default: wxFAIL_MSG("requested non existent standard icon"); return wxIcon(error_xpm); break; } } wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent, const wxString& message, const wxString& caption, long style, const wxPoint& pos) : wxDialog( parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE ) { m_dialogStyle = style; wxBeginBusyCursor(); wxLayoutConstraints *c; SetAutoLayout(TRUE); wxStaticBitmap *icon = new wxStaticBitmap(this, -1, wxTheApp->GetStdIcon(style & wxICON_MASK)); const int iconSize = icon->GetBitmap().GetWidth(); // split the message in lines // -------------------------- wxArrayString lines; wxSize sizeText = SplitTextMessage(message, &lines); long widthTextMax = sizeText.GetWidth(), heightTextMax = sizeText.GetHeight(); size_t nLineCount = lines.GetCount(); // calculate the total dialog size enum { Btn_Ok, Btn_Yes, Btn_No, Btn_Cancel, Btn_Max }; wxButton *buttons[Btn_Max] = { NULL, NULL, NULL, NULL }; int nDefaultBtn = -1; // some checks are in order... wxASSERT_MSG( !(style & wxOK) || !(style & wxYES_NO), "don't create dialog with both Yes/No and Ok buttons!" ); wxASSERT_MSG( (style & wxOK ) || (style & wxYES_NO), "don't create dialog with only the Cancel button!" ); if ( style & wxYES_NO ) { buttons[Btn_Yes] = new wxButton(this, wxID_YES, _("Yes")); buttons[Btn_No] = new wxButton(this, wxID_NO, _("No")); if(style & wxNO_DEFAULT) nDefaultBtn = Btn_No; else nDefaultBtn = Btn_Yes; } if (style & wxOK) { buttons[Btn_Ok] = new wxButton(this, wxID_OK, _("OK")); if ( nDefaultBtn == -1 ) nDefaultBtn = Btn_Ok; } if (style & wxCANCEL) { buttons[Btn_Cancel] = new wxButton(this, wxID_CANCEL, _("Cancel")); } // get the longest caption and also calc the number of buttons size_t nBtn, nButtons = 0; int width, widthBtnMax = 0; for ( nBtn = 0; nBtn < Btn_Max; nBtn++ ) { if ( buttons[nBtn] ) { nButtons++; GetTextExtent(buttons[nBtn]->GetLabel(), &width, NULL); if ( width > widthBtnMax ) widthBtnMax = width; } } // now we can place the buttons if ( widthBtnMax < 75 ) widthBtnMax = 75; else widthBtnMax += 10; long heightButton = widthBtnMax*23/75; // *1.2 baselineskip heightTextMax *= 12; heightTextMax /= 10; long widthButtonsTotal = nButtons * (widthBtnMax + LAYOUT_X_MARGIN) - LAYOUT_X_MARGIN; // the size of the dialog long widthDlg = wxMax(widthTextMax + iconSize + 4*LAYOUT_X_MARGIN, wxMax(widthButtonsTotal, width)) + 2*LAYOUT_X_MARGIN, heightDlg = 8*LAYOUT_Y_MARGIN + heightButton + heightTextMax*(nLineCount + 1); // create the controls // ------------------- // the icon first c = new wxLayoutConstraints; c->width.Absolute(iconSize); c->height.Absolute(iconSize); c->top.SameAs(this, wxTop, 3*LAYOUT_Y_MARGIN); c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN); icon->SetConstraints(c); wxStaticText *text = NULL; for ( size_t nLine = 0; nLine < nLineCount; nLine++ ) { c = new wxLayoutConstraints; if ( text == NULL ) c->top.SameAs(this, wxTop, 3*LAYOUT_Y_MARGIN); else c->top.Below(text); c->left.RightOf(icon, 2*LAYOUT_X_MARGIN); c->width.Absolute(widthTextMax); c->height.Absolute(heightTextMax); text = new wxStaticText(this, -1, lines[nLine]); text->SetConstraints(c); } // create the buttons wxButton *btnPrevious = (wxButton *)NULL; for ( nBtn = 0; nBtn < Btn_Max; nBtn++ ) { if ( buttons[nBtn] ) { c = new wxLayoutConstraints; if ( btnPrevious ) { c->left.RightOf(btnPrevious, LAYOUT_X_MARGIN); } else { c->left.SameAs(this, wxLeft, (widthDlg - widthButtonsTotal) / 2); } c->width.Absolute(widthBtnMax); c->top.Below(text, 4*LAYOUT_Y_MARGIN); c->height.Absolute(heightButton); buttons[nBtn]->SetConstraints(c); btnPrevious = buttons[nBtn]; } } // set default button // ------------------ if ( nDefaultBtn != -1 ) { buttons[nDefaultBtn]->SetDefault(); buttons[nDefaultBtn]->SetFocus(); } else { wxFAIL_MSG( "can't find default button for this dialog." ); } // position the controls and the dialog itself // ------------------------------------------- SetClientSize(widthDlg, heightDlg); // SetSizeHints() wants the size of the whole dialog, not just client size wxSize sizeTotal = GetSize(), sizeClient = GetClientSize(); SetSizeHints(widthDlg + sizeTotal.GetWidth() - sizeClient.GetWidth(), heightDlg + sizeTotal.GetHeight() - sizeClient.GetHeight()); Layout(); Centre(wxCENTER_FRAME | wxBOTH); wxEndBusyCursor(); } void wxGenericMessageDialog::OnYes(wxCommandEvent& WXUNUSED(event)) { EndModal( wxID_YES ); } void wxGenericMessageDialog::OnNo(wxCommandEvent& WXUNUSED(event)) { EndModal( wxID_NO ); } void wxGenericMessageDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) { /* Allow cancellation via ESC/Close button except if only YES and NO are specified. */ if ( (m_dialogStyle & wxYES_NO) != wxYES_NO || (m_dialogStyle & wxCANCEL) ) { EndModal( wxID_CANCEL ); } }