]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/choicdgg.cpp
Added chapter on collection and container classes to contents
[wxWidgets.git] / src / generic / choicdgg.cpp
index 25483ca765bee41507a452df54fef1f5e5a567c4..f2c529666a9ab7ede46b8efeb89ba9f24c13926e 100644 (file)
     #include "wx/listbox.h"
     #include "wx/stattext.h"
     #include "wx/intl.h"
-    #include "wx/dcclient.h"
-    #include "wx/settings.h"
+    #include "wx/sizer.h"
 #endif
 
 #if wxUSE_STATLINE
-    #include "wx/statline.h" 
+    #include "wx/statline.h"
 #endif
 
 #include "wx/generic/choicdgg.h"
 
 #define wxID_LISTBOX 3000
 
-wxString wxGetSingleChoice( const wxString& message, const wxString& caption, int n, 
+wxString wxGetSingleChoice( const wxString& message, const wxString& caption, int n,
                             const wxString *choices, wxWindow *parent,
-                            int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre), 
+                            int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre),
                             int WXUNUSED(width), int WXUNUSED(height) )
 {
     wxSingleChoiceDialog dialog(parent, message, caption, n, choices);
+    wxString choice;
     if ( dialog.ShowModal() == wxID_OK )
-        return dialog.GetStringSelection();
-    else
-        return _T("");
+        choice = dialog.GetStringSelection();
+
+    return choice;
 }
 
 // Overloaded for backward compatibility
-wxString wxGetSingleChoice( const wxString& message, const wxString& caption, int n, 
+wxString wxGetSingleChoice( const wxString& message, const wxString& caption, int n,
                             char *choices[], wxWindow *parent,
-                            int x, int y, bool centre, 
+                            int x, int y, bool centre,
                             int width, int height )
 {
     wxString *strings = new wxString[n];
@@ -70,22 +70,25 @@ wxString wxGetSingleChoice( const wxString& message, const wxString& caption, in
     return ans;
 }
 
-int wxGetSingleChoiceIndex( const wxString& message, const wxString& caption, int n, 
+int wxGetSingleChoiceIndex( const wxString& message, const wxString& caption, int n,
                             const wxString *choices, wxWindow *parent,
-                int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre), 
+                int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre),
                 int WXUNUSED(width), int WXUNUSED(height) )
 {
     wxSingleChoiceDialog dialog(parent, message, caption, n, choices);
+    int choice;
     if ( dialog.ShowModal() == wxID_OK )
-        return dialog.GetSelection();
+        choice = dialog.GetSelection();
     else
-        return -1;
+        choice = -1;
+
+    return choice;
 }
 
 // Overloaded for backward compatibility
-int wxGetSingleChoiceIndex( const wxString& message, const wxString& caption, int n, 
+int wxGetSingleChoiceIndex( const wxString& message, const wxString& caption, int n,
                             wxChar *choices[], wxWindow *parent,
-                int x, int y, bool centre, 
+                int x, int y, bool centre,
                 int width, int height )
 {
     wxString *strings = new wxString[n];
@@ -97,22 +100,25 @@ int wxGetSingleChoiceIndex( const wxString& message, const wxString& caption, in
     return ans;
 }
 
-wxChar *wxGetSingleChoiceData( const wxString& message, const wxString& caption, int n,
-                   const wxString *choices, wxChar **client_data, wxWindow *parent,
-                   int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre), 
+void *wxGetSingleChoiceData( const wxString& message, const wxString& caption, int n,
+                   const wxString *choices, void **client_data, wxWindow *parent,
+                   int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(centre),
                    int WXUNUSED(width), int WXUNUSED(height) )
 {
-    wxSingleChoiceDialog dialog(parent, message, caption, n, choices, client_data);
+    wxSingleChoiceDialog dialog(parent, message, caption, n, choices, (char **)client_data);
+    void *data;
     if ( dialog.ShowModal() == wxID_OK )
-        return dialog.GetSelectionClientData();
+        data = dialog.GetSelectionClientData();
     else
-        return NULL;
+        data = NULL;
+
+    return data;
 }
 
 // Overloaded for backward compatibility
-wxChar *wxGetSingleChoiceData( const wxString& message, const wxString& caption, int n, 
-                   wxChar *choices[], wxChar **client_data, wxWindow *parent,
-                   int x, int y, bool centre, 
+void *wxGetSingleChoiceData( const wxString& message, const wxString& caption, int n,
+                   wxChar *choices[], void **client_data, wxWindow *parent,
+                   int x, int y, bool centre,
                    int width, int height )
 {
     wxString *strings = new wxString[n];
@@ -121,7 +127,7 @@ wxChar *wxGetSingleChoiceData( const wxString& message, const wxString& caption,
     {
         strings[i] = choices[i];
     }
-    wxChar *data = wxGetSingleChoiceData(message, caption, n, (const wxString *)strings, client_data, parent,
+    void *data = wxGetSingleChoiceData(message, caption, n, (const wxString *)strings, client_data, parent,
         x, y, centre, width, height);
     delete[] strings;
     return data;
@@ -157,23 +163,29 @@ int wxGetMultipleChoice(const wxString& message, const wxString& caption,
 
 // wxSingleChoiceDialog
 
-#if !USE_SHARED_LIBRARY
 BEGIN_EVENT_TABLE(wxSingleChoiceDialog, wxDialog)
     EVT_BUTTON(wxID_OK, wxSingleChoiceDialog::OnOK)
     EVT_LISTBOX_DCLICK(wxID_LISTBOX, wxSingleChoiceDialog::OnListBoxDClick)
 END_EVENT_TABLE()
 
 IMPLEMENT_CLASS(wxSingleChoiceDialog, wxDialog)
-#endif
 
+#if defined(__WXMSW__) || defined(__WXMAC__)
+#define wxCHOICEDLG_DIALOG_STYLE (wxDEFAULT_DIALOG_STYLE | \
+                                  wxDIALOG_MODAL |         \
+                                  wxTAB_TRAVERSAL)
+#else
 #define wxCHOICEDLG_DIALOG_STYLE (wxDEFAULT_DIALOG_STYLE | \
                                   wxDIALOG_MODAL |         \
+                                  wxRESIZE_BORDER |        \
                                   wxTAB_TRAVERSAL)
+#endif
+
 
 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
                                            const wxString& message,
                                            const wxString& caption,
-                                           int n, 
+                                           int n,
                                            const wxString *choices,
                                            char **clientData,
                                            long style,
@@ -187,9 +199,9 @@ wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
 wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
                                            const wxString& message,
                                            const wxString& caption,
-                                           const wxStringList& choices, 
-                                           wxChar **clientData, 
-                                           long style, 
+                                           const wxStringList& choices,
+                                           char **clientData,
+                                           long style,
                                            const wxPoint& pos)
                     : wxDialog(parent, -1, caption, pos, wxDefaultSize,
                                wxCHOICEDLG_DIALOG_STYLE)
@@ -217,204 +229,55 @@ bool wxSingleChoiceDialog::Create(wxWindow *parent,
 }
 
 bool wxSingleChoiceDialog::Create( wxWindow *WXUNUSED(parent),
-                                   const wxString& message, 
+                                   const wxString& message,
                                    const wxString& WXUNUSED(caption),
-                                   int n, 
+                                   int n,
                                    const wxString *choices,
                                    char **clientData,
                                    long style,
                                    const wxPoint& WXUNUSED(pos) )
 {
-    m_dialogStyle = style;
     m_selection = 0;
-    m_clientData = NULL;
-
-    // dialog layout constants
-    static const int LAYOUT_X_MARGIN = 5;
-    static const int LAYOUT_Y_MARGIN = 5;
-    static const int MARGIN_BETWEEN_BUTTONS = 3*LAYOUT_X_MARGIN;
-
-    // calc the message size
-    // ---------------------
-
-    // TODO this should be factored out to a common function (also used in
-    //      msgdlgg.cpp)
-    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;
-        }
-    }
-
-    size_t nLineCount = lines.Count();
-    long hTotalMsg = heightTextMax*nLineCount;
-
-    // calc the button size
-    // --------------------
-
-    bool hasCancel = FALSE;
-
-    // always create the OK button - the code below supposes we do have buttons
-    // and besides the user should have some way to close this dialog
-    wxASSERT_MSG( style & wxOK, _T("this dialog should have OK button") );
-
-    wxString labelOk(_("OK"));
-    long wButton = 0;
-    dc.GetTextExtent(labelOk, &width, NULL);
-    if ( width > wButton )
-        wButton = width;
-
-    wxString labelCancel;
-    if ( style & wxCANCEL )
-    {
-        labelCancel = _("Cancel");
-        dc.GetTextExtent(labelCancel, &width, NULL);
-        if ( width > wButton )
-            wButton = width;
-
-        hasCancel = TRUE;
-    }
-
-    if ( wButton < 75 )
-        wButton = 75;
-    else
-        wButton += 10;
-
-    long hButton = wButton*23/75;
-    long wTotalButtons = wButton;
-    if ( hasCancel )
-    {
-        wTotalButtons *= 2;                         // second button
-        wTotalButtons += MARGIN_BETWEEN_BUTTONS;    // margin between the 2
-    }
-
-    // listbox and stat line
-    // ---------------------
-
-    // make the listbox at least as tall as the message - otherwise it looks
-    // ugly (the lower limit of 300 for the width is arbitrary OTOH)
-    //
-    // NB: we write "n + 2" because the horiz. scrollbar also takes some place
-    long hListbox = wxMax((n + 2) * heightTextMax, hTotalMsg),
-         wListbox = wxMax(300, wxMax(wTotalButtons, widthTextMax));
-
-#if wxUSE_STATLINE
-    // arbitrary...
-    long hStatLine = 5;
-#endif
 
-    // now the complete dialog size
-    // ----------------------------
+    m_dialogStyle = style;
 
-    long hDialog = 2*LAYOUT_Y_MARGIN +  // top margin
-                   hTotalMsg +          // message
-                   2*LAYOUT_Y_MARGIN +  // margin between text and listbox
-                   hListbox +           // listbox
-#if wxUSE_STATLINE
-                   LAYOUT_Y_MARGIN +    // margin
-                   hStatLine +          // separator line
-#endif
-                   2*LAYOUT_Y_MARGIN +  // margin between listbox and buttons
-                   hButton +            // button(s)
-                   LAYOUT_Y_MARGIN;     // bottom margin
+    wxBeginBusyCursor();
 
-    long wDialog = wxMax(wListbox, wxMax(wTotalButtons, widthTextMax)) +
-                   4*LAYOUT_X_MARGIN;   // 2 from each side
+    wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 
-    // create the controls
-    // -------------------
+    // 1) text message
+    topsizer->Add( CreateTextSizer( message ), 0, wxALL, 10 );
 
-    // message
-    wxStaticText *text;
-    int y = 2*LAYOUT_Y_MARGIN;
-    for ( size_t nLine = 0; nLine < nLineCount; nLine++ )
-    {
-        text = new wxStaticText(this, -1, lines[nLine],
-                                wxPoint(2*LAYOUT_X_MARGIN, y),
-                                wxSize(widthTextMax, heightTextMax));
-        y += heightTextMax;
-    }
-
-    y += 2*LAYOUT_X_MARGIN;
-
-    // listbox
-    m_listbox = new wxListBox( this, wxID_LISTBOX,
-                               wxPoint(2*LAYOUT_X_MARGIN, y),
-                               wxSize(wListbox, hListbox), 
-                               n, choices,
-                               wxLB_HSCROLL);
-    y += hListbox;
-
-    if ( clientData )
+    // 2) list box
+    m_listbox = new wxListBox( this, wxID_LISTBOX, wxDefaultPosition, wxSize(160,100) ,
+                                        n, choices, wxLB_ALWAYS_SB );
+    m_listbox->SetSelection( m_selection );
+    if (clientData)
     {
         for (int i = 0; i < n; i++)
             m_listbox->SetClientData(i, clientData[i]);
     }
+    topsizer->Add( m_listbox, 1, wxEXPAND | wxLEFT|wxRIGHT, 15 );
 
-    // separator line
 #if wxUSE_STATLINE
-    (void) new wxStaticLine( this, -1,
-                             wxPoint(0, y + LAYOUT_Y_MARGIN),
-                             wxSize(wDialog, hStatLine) );
-
-    y += LAYOUT_Y_MARGIN + hStatLine;
+    // 3) static line
+    topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 #endif
-    
-    // buttons
 
-    y += 2*LAYOUT_X_MARGIN;
+    // 4) buttons
+    topsizer->Add( CreateButtonSizer( wxOK|wxCANCEL ), 0, wxCENTRE | wxALL, 10 );
 
-    // NB: create [Ok] first to get the right tab order
-
-    wxButton *ok = (wxButton *) NULL;
-    wxButton *cancel = (wxButton *) NULL;
-    
-    long x = wDialog / 2;
-    if ( hasCancel )
-        x -= MARGIN_BETWEEN_BUTTONS / 2 + wButton;
-    else
-        x -= wButton / 2;
+    SetAutoLayout( TRUE );
+    SetSizer( topsizer );
 
-    ok = new wxButton( this, wxID_OK, labelOk,
-                       wxPoint(x, y),
-                       wxSize(wButton, hButton) );
-
-    if ( hasCancel )
-    {
-        x += MARGIN_BETWEEN_BUTTONS + wButton;
-        cancel = new wxButton( this, wxID_CANCEL, labelCancel,
-                               wxPoint(x, y),
-                               wxSize(wButton, hButton) );
-    }
+    topsizer->SetSizeHints( this );
+    topsizer->Fit( this );
 
-    ok->SetDefault();
-    ok->SetFocus();
+    Centre( wxBOTH );
 
-    SetClientSize( wDialog, hDialog );
+    m_listbox->SetFocus();
 
-    Centre( wxBOTH );
+    wxEndBusyCursor();
 
     return TRUE;
 }
@@ -430,8 +293,11 @@ void wxSingleChoiceDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 {
     m_selection = m_listbox->GetSelection();
     m_stringSelection = m_listbox->GetStringSelection();
-    m_clientData = m_listbox->GetClientData(m_selection);
-
+    // TODO!
+#ifndef __WXMOTIF__
+    if ( m_listbox->HasClientUntypedData() )
+        SetClientData(m_listbox->GetClientData(m_selection));
+#endif
     EndModal(wxID_OK);
 }
 
@@ -439,7 +305,12 @@ void wxSingleChoiceDialog::OnListBoxDClick(wxCommandEvent& WXUNUSED(event))
 {
     m_selection = m_listbox->GetSelection();
     m_stringSelection = m_listbox->GetStringSelection();
-    m_clientData = m_listbox->GetClientData(m_selection);
+
+    // TODO!
+#ifndef __WXMOTIF__
+    if ( m_listbox->HasClientUntypedData() )
+        SetClientData(m_listbox->GetClientData(m_selection));
+#endif
 
     EndModal(wxID_OK);
 }