From 917b3d40f2da1f02a81cbe385118a504072c401c Mon Sep 17 00:00:00 2001 From: Vadim Zeitlin Date: Mon, 21 Jun 1999 17:41:05 +0000 Subject: [PATCH] msg boxes now have icons git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2849 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- src/generic/msgdlgg.cpp | 333 ++++++++++++++++++++++++++++------------ 1 file changed, 236 insertions(+), 97 deletions(-) diff --git a/src/generic/msgdlgg.cpp b/src/generic/msgdlgg.cpp index 2f4aeb5425..0b8eea5424 100644 --- a/src/generic/msgdlgg.cpp +++ b/src/generic/msgdlgg.cpp @@ -25,7 +25,11 @@ #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/dcclient.h" + #include "wx/settings.h" #endif #include @@ -37,42 +41,18 @@ #include "wx/statline.h" #endif -/* Split message, using constraints to position controls */ -static wxSize wxSplitMessage2( const wxString &message, wxWindow *parent ) -{ - int y = 10; - int w = 50; - wxString line( _T("") ); - for (uint pos = 0; pos < message.Len(); pos++) - { - if (message[pos] == _T('\n')) - { - if (!line.IsEmpty()) - { - wxStaticText *s1 = new wxStaticText( parent, -1, line, wxPoint(15,y) ); - wxSize size1( s1->GetSize() ); - if (size1.x > w) w = size1.x; - line = _T(""); - } - y += 18; - } - else - { - line += message[pos]; - } - } - - if (!line.IsEmpty()) - { - wxStaticText *s2 = new wxStaticText( parent, -1, line, wxPoint(15,y) ); - wxSize size2( s2->GetSize() ); - if (size2.x > w) w = size2.x; - } - - y += 18; - - return wxSize(w+30,y); -} +// ---------------------------------------------------------------------------- +// icons +// ---------------------------------------------------------------------------- + +// 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__ + #if !USE_SHARED_LIBRARY BEGIN_EVENT_TABLE(wxGenericMessageDialog, wxDialog) @@ -84,85 +64,244 @@ END_EVENT_TABLE() IMPLEMENT_CLASS(wxGenericMessageDialog, wxDialog) #endif -wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent, const wxString& message, - const wxString& caption, long style, const wxPoint& pos) : - wxDialog( parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE ) +wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent, + const wxString& message, + const wxString& caption, + long style, + const wxPoint& pos) + : wxDialog( parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE ) { + static const int LAYOUT_X_MARGIN = 5; + static const int LAYOUT_Y_MARGIN = 5; + m_dialogStyle = style; wxBeginBusyCursor(); - wxSize message_size( wxSplitMessage2( message, this ) ); + wxLayoutConstraints *c; + SetAutoLayout(TRUE); - wxButton *ok = (wxButton *) NULL; - wxButton *cancel = (wxButton *) NULL; - wxButton *yes = (wxButton *) NULL; - wxButton *no = (wxButton *) NULL; - - int y = message_size.y + 30; - - if (style & wxYES_NO) + // create an icon + enum { - yes = new wxButton( this, wxID_YES, _("Yes"), wxPoint(-1,y), wxSize(80,-1) ); - m_buttons.Append( yes ); - no = new wxButton( this, wxID_NO, _("No"), wxPoint(-1,y), wxSize(80,-1) ); - m_buttons.Append( no ); - } + Icon_Information, + Icon_Question, + Icon_Warning, + Icon_Error + } which; - if (style & wxOK) +#ifdef __WXMSW__ + static char *icons[] = { - ok = new wxButton( this, wxID_OK, _("OK"), wxPoint(-1,y), wxSize(80,-1) ); - m_buttons.Append( ok ); - } - - if (style & wxCANCEL) + "wxICON_INFO", + "wxICON_QUESTION", + "wxICON_WARNING", + "wxICON_ERROR", + }; +#else // XPM icons + static char **icons[] = { - cancel = new wxButton( this, wxID_CANCEL, _("Cancel"), wxPoint(-1,y), wxSize(80,-1) ); - m_buttons.Append( cancel ); - } + info, + question, + warning, + error, + }; +#endif // !XPM/XPM - if (ok) - { - ok->SetDefault(); - ok->SetFocus(); + if ( style & wxICON_EXCLAMATION ) + which = Icon_Warning; + else if ( style & wxICON_HAND ) + which = Icon_Error; + else if ( style & wxICON_QUESTION ) + which = Icon_Question; + else + which = Icon_Information; + + wxStaticBitmap *icon = new wxStaticBitmap(this, -1, wxIcon(icons[which])); + const int iconSize = icon->GetBitmap().GetWidth(); + + // split the message in lines + // -------------------------- + wxClientDC dc(this); + dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); + + wxArrayString lines; + wxString curLine; + long height, width, heightTextMax = 0, widthTextMax = 0; + for ( const char *pc = message; ; pc++ ) { + if ( *pc == '\n' || *pc == '\0' ) { + dc.GetTextExtent(curLine, &width, &height); + if ( width > widthTextMax ) + widthTextMax = width; + if ( height > heightTextMax ) + heightTextMax = height; + + lines.Add(curLine); + + if ( *pc == '\n' ) { + curLine.Empty(); + } + else { + // the end of string + break; + } + } + else { + curLine += *pc; + } } - else if (yes) + + // 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) - { - no->SetDefault(); - no->SetFocus(); - } + nDefaultBtn = Btn_No; else - { - yes->SetDefault(); - yes->SetFocus(); - } + nDefaultBtn = Btn_Yes; } - - int w = m_buttons.GetCount() * 100; - if (message_size.x > w) w = message_size.x; - int space = w / (m_buttons.GetCount()*2); - - int n = 0; - wxNode *node = m_buttons.First(); - while (node) - { - wxWindow *win = (wxWindow*)node->Data(); - int x = (n*2+1)*space - 40 + 15; - win->Move( x, -1 ); - node = node->Next(); - n++; + + if (style & wxOK) { + buttons[Btn_Ok] = new wxButton(this, wxID_OK, _("OK")); + + if ( nDefaultBtn == -1 ) + nDefaultBtn = Btn_Ok; } - -#if wxUSE_STATLINE - (void) new wxStaticLine( this, -1, wxPoint(0,y-20), wxSize(w+30, 5) ); -#endif - - SetSize( w+30, y+40 ); - Centre( wxBOTH ); - + 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; + long widthBtnMax = 0; + for ( nBtn = 0; nBtn < Btn_Max; nBtn++ ) { + if ( buttons[nBtn] ) { + nButtons++; + dc.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; + + size_t nLineCount = lines.Count(); + + 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(); } -- 2.45.2