Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / richtext / richtextsymboldlg.cpp

diff --git a/src/richtext/richtextsymboldlg.cpp b/src/richtext/richtextsymboldlg.cpp
index 5c83e5f66eecc6c9ef84e61a0502370d1124bfa4..85c07f05924652f58835c11b2a623336bc1f3e4a 100644 (file)
--- a/src/richtext/richtextsymboldlg.cpp
+++ b/src/richtext/richtextsymboldlg.cpp
@@ -293,9 +293,9 @@ BEGIN_EVENT_TABLE( wxSymbolPickerDialog, wxDialog )
 
 ////@begin wxSymbolPickerDialog event table entries
     EVT_COMBOBOX( ID_SYMBOLPICKERDIALOG_FONT, wxSymbolPickerDialog::OnFontCtrlSelected )
-
 #if defined(__UNICODE__)
     EVT_COMBOBOX( ID_SYMBOLPICKERDIALOG_SUBSET, wxSymbolPickerDialog::OnSubsetSelected )
+    EVT_UPDATE_UI( ID_SYMBOLPICKERDIALOG_SUBSET, wxSymbolPickerDialog::OnSymbolpickerdialogSubsetUpdate )
 #endif
 
 #if defined(__UNICODE__)
@@ -303,11 +303,14 @@ BEGIN_EVENT_TABLE( wxSymbolPickerDialog, wxDialog )
 #endif
 
     EVT_UPDATE_UI( wxID_OK, wxSymbolPickerDialog::OnOkUpdate )
-
+    EVT_BUTTON( wxID_HELP, wxSymbolPickerDialog::OnHelpClick )
+    EVT_UPDATE_UI( wxID_HELP, wxSymbolPickerDialog::OnHelpUpdate )
 ////@end wxSymbolPickerDialog event table entries
 
 END_EVENT_TABLE()
 
+IMPLEMENT_HELP_PROVISION(wxSymbolPickerDialog)
+
 /*!
  * wxSymbolPickerDialog constructors
  */
@@ -365,6 +368,7 @@ void wxSymbolPickerDialog::Init()
 #if defined(__UNICODE__)
     m_fromUnicodeCtrl = NULL;
 #endif
+    m_stdButtonSizer = NULL;
 ////@end wxSymbolPickerDialog member initialisation
     m_dontUpdate = false;
 }
@@ -375,6 +379,10 @@ void wxSymbolPickerDialog::Init()
 
 void wxSymbolPickerDialog::CreateControls()
 {
+#ifdef __WXMAC__
+    SetWindowVariant(wxWINDOW_VARIANT_SMALL);
+#endif
+
 ////@begin wxSymbolPickerDialog content construction
     wxSymbolPickerDialog* itemDialog1 = this;
 
@@ -394,7 +402,7 @@ void wxSymbolPickerDialog::CreateControls()
     itemBoxSizer5->Add(itemStaticText6, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 
     wxArrayString m_fontCtrlStrings;
-    m_fontCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FONT, _T(""), wxDefaultPosition, wxSize(240, -1), m_fontCtrlStrings, wxCB_READONLY );
+    m_fontCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FONT, wxEmptyString, wxDefaultPosition, wxSize(240, -1), m_fontCtrlStrings, wxCB_READONLY );
     m_fontCtrl->SetHelpText(_("The font from which to take the symbol."));
     if (wxSymbolPickerDialog::ShowToolTips())
         m_fontCtrl->SetToolTip(_("The font from which to take the symbol."));
@@ -410,7 +418,7 @@ void wxSymbolPickerDialog::CreateControls()
 
 #if defined(__UNICODE__)
     wxArrayString m_subsetCtrlStrings;
-    m_subsetCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_SUBSET, _T(""), wxDefaultPosition, wxDefaultSize, m_subsetCtrlStrings, wxCB_READONLY );
+    m_subsetCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_SUBSET, wxEmptyString, wxDefaultPosition, wxDefaultSize, m_subsetCtrlStrings, wxCB_READONLY );
     m_subsetCtrl->SetHelpText(_("Shows a Unicode subset."));
     if (wxSymbolPickerDialog::ShowToolTips())
         m_subsetCtrl->SetToolTip(_("Shows a Unicode subset."));
@@ -432,7 +440,7 @@ void wxSymbolPickerDialog::CreateControls()
     wxStaticText* itemStaticText15 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Character code:"), wxDefaultPosition, wxDefaultSize, 0 );
     itemBoxSizer12->Add(itemStaticText15, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 
-    m_characterCodeCtrl = new wxTextCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_CHARACTERCODE, _T(""), wxDefaultPosition, wxSize(140, -1), wxTE_READONLY|wxTE_CENTRE );
+    m_characterCodeCtrl = new wxTextCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_CHARACTERCODE, wxEmptyString, wxDefaultPosition, wxSize(140, -1), wxTE_READONLY|wxTE_CENTRE );
     m_characterCodeCtrl->SetHelpText(_("The character code."));
     if (wxSymbolPickerDialog::ShowToolTips())
         m_characterCodeCtrl->SetToolTip(_("The character code."));
@@ -450,8 +458,8 @@ void wxSymbolPickerDialog::CreateControls()
     wxArrayString m_fromUnicodeCtrlStrings;
     m_fromUnicodeCtrlStrings.Add(_("ASCII"));
     m_fromUnicodeCtrlStrings.Add(_("Unicode"));
-    m_fromUnicodeCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FROM, _("ASCII"), wxDefaultPosition, wxDefaultSize, m_fromUnicodeCtrlStrings, wxCB_READONLY );
-    m_fromUnicodeCtrl->SetStringSelection(_("ASCII"));
+    m_fromUnicodeCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FROM, _("Unicode"), wxDefaultPosition, wxDefaultSize, m_fromUnicodeCtrlStrings, wxCB_READONLY );
+    m_fromUnicodeCtrl->SetStringSelection(_("Unicode"));
     m_fromUnicodeCtrl->SetHelpText(_("The range to show."));
     if (wxSymbolPickerDialog::ShowToolTips())
         m_fromUnicodeCtrl->SetToolTip(_("The range to show."));
@@ -459,25 +467,29 @@ void wxSymbolPickerDialog::CreateControls()
 
 #endif
 
-    wxBoxSizer* itemBoxSizer20 = new wxBoxSizer(wxHORIZONTAL);
-    itemBoxSizer3->Add(itemBoxSizer20, 0, wxGROW, 5);
-
-    itemBoxSizer20->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
+    m_stdButtonSizer = new wxStdDialogButtonSizer;
 
-    wxStdDialogButtonSizer* itemStdDialogButtonSizer22 = new wxStdDialogButtonSizer;
+    itemBoxSizer3->Add(m_stdButtonSizer, 0, wxGROW|wxTOP|wxBOTTOM, 5);
+    wxButton* itemButton21 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
+    itemButton21->SetDefault();
+    m_stdButtonSizer->AddButton(itemButton21);
 
-    itemBoxSizer20->Add(itemStdDialogButtonSizer22, 0, wxALIGN_CENTER_VERTICAL|wxTOP|wxBOTTOM, 5);
-    wxButton* itemButton23 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
-    itemButton23->SetDefault();
-    itemStdDialogButtonSizer22->AddButton(itemButton23);
+    wxButton* itemButton22 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
+    m_stdButtonSizer->AddButton(itemButton22);
 
-    wxButton* itemButton24 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
-    itemStdDialogButtonSizer22->AddButton(itemButton24);
+    wxButton* itemButton23 = new wxButton( itemDialog1, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, 0 );
+    m_stdButtonSizer->AddButton(itemButton23);
 
-    itemStdDialogButtonSizer22->Realize();
+    m_stdButtonSizer->Realize();
 
 ////@end wxSymbolPickerDialog content construction
 
+    if (GetHelpId() == -1)
+    {
+        wxWindow* button = FindWindowById(wxID_HELP);
+        if (button)
+            m_stdButtonSizer->Show(button, false);
+    }
 }
 
 /// Data transfer
@@ -504,18 +516,12 @@ bool wxSymbolPickerDialog::TransferDataToWindow()
             m_fontCtrl->SetSelection(0);
     }
 
-    if (!m_symbol.empty())
-    {
-        int sel = (int) m_symbol[0];
-        m_symbolsCtrl->SetSelection(sel);
-    }
-
 #if defined(__UNICODE__)
     if (m_subsetCtrl->GetCount() == 0)
     {
         // Insert items into subset combo
         int i;
-        for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
+        for (i = 0; i < (int) WXSIZEOF(g_UnicodeSubsetTable); i++)
         {
             m_subsetCtrl->Append(g_UnicodeSubsetTable[i].m_name);
         }
@@ -523,7 +529,17 @@ bool wxSymbolPickerDialog::TransferDataToWindow()
     }
 #endif
 
-    UpdateSymbolDisplay();
+#if defined(__UNICODE__)
+    m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
+#endif
+
+    if (!m_symbol.empty())
+    {
+        int sel = (int) m_symbol[0];
+        m_symbolsCtrl->SetSelection(sel);
+    }
+
+    UpdateSymbolDisplay(true, m_symbol.empty());
 
     m_dontUpdate = false;
 
@@ -617,7 +633,7 @@ void wxSymbolPickerDialog::OnSymbolSelected( wxCommandEvent& event )
     {
         // Need to make the subset selection reflect the current symbol
         int i;
-        for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
+        for (i = 0; i < (int) WXSIZEOF(g_UnicodeSubsetTable); i++)
         {
             if (sel >= g_UnicodeSubsetTable[i].m_low && sel <= g_UnicodeSubsetTable[i].m_high)
             {
@@ -655,6 +671,18 @@ void wxSymbolPickerDialog::OnSubsetSelected( wxCommandEvent& WXUNUSED(event) )
 }
 #endif
 
+#if defined(__UNICODE__)
+
+/*!
+ * wxEVT_UPDATE_UI event handler for ID_SYMBOLPICKERDIALOG_SUBSET
+ */
+
+void wxSymbolPickerDialog::OnSymbolpickerdialogSubsetUpdate( wxUpdateUIEvent& event )
+{
+    event.Enable(m_fromUnicode);
+}
+#endif
+
 /*!
  * wxEVT_UPDATE_UI event handler for wxID_OK
  */
@@ -780,6 +808,8 @@ bool wxSymbolListCtrl::Create(wxWindow *parent,
 
     SetupCtrl();
 
+    SetInitialSize(size);
+
     return true;
 }
 
@@ -801,7 +831,7 @@ bool wxSymbolListCtrl::DoSetCurrent(int current)
 {
     wxASSERT_MSG( current == wxNOT_FOUND ||
                     (current >= m_minSymbolValue && current <= m_maxSymbolValue),
-                  _T("wxSymbolListCtrl::DoSetCurrent(): invalid symbol value") );
+                  wxT("wxSymbolListCtrl::DoSetCurrent(): invalid symbol value") );
 
     if ( current == m_current )
     {
@@ -854,7 +884,7 @@ void wxSymbolListCtrl::SetSelection(int selection)
 {
     wxCHECK_RET( selection == wxNOT_FOUND ||
                   (selection >= m_minSymbolValue && selection < m_maxSymbolValue),
-                  _T("wxSymbolListCtrl::SetSelection(): invalid symbol value") );
+                  wxT("wxSymbolListCtrl::SetSelection(): invalid symbol value") );
 
     DoSetCurrent(selection);
 }
@@ -1262,4 +1292,24 @@ wxSymbolListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
     return wxListBox::GetClassDefaultAttributes(variant);
 }
 
-#endif // wxUSE_RICHTEXT
+/*!
+ * wxEVT_COMMAND_BUTTON_CLICKED event handler for wxID_HELP
+ */
+
+void wxSymbolPickerDialog::OnHelpClick( wxCommandEvent& WXUNUSED(event) )
+{
+    if ((GetHelpInfo().GetHelpId() != -1) && GetHelpInfo().GetUICustomization())
+        ShowHelp(this);
+}
+
+/*!
+ * wxEVT_UPDATE_UI event handler for wxID_HELP
+ */
+
+void wxSymbolPickerDialog::OnHelpUpdate( wxUpdateUIEvent& event )
+{
+    event.Enable((GetHelpInfo().GetHelpId() != -1) && GetHelpInfo().GetUICustomization());
+}
+
+#endif
+    // wxUSE_RICHTEXT