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added tests of update UI handlers for clipboard menu items; minor cleanup

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37079 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-01-23 15:40:03 +00:00
parent 7e52dfd26d
commit 5b07594ad3
1 changed files with 47 additions and 15 deletions
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62
samples/text/text.cpp
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@@ -116,6 +116,14 @@ public:
void DoMoveToEndOfText(); void DoMoveToEndOfText();
void DoMoveToEndOfEntry(); void DoMoveToEndOfEntry();
// return true if currently text control has any selection
bool HasSelection() const
{
long from, to;
GetFocusedText()->GetSelection(&from, &to);
return from != to;
}
MyTextCtrl *m_text; MyTextCtrl *m_text;
MyTextCtrl *m_password; MyTextCtrl *m_password;
MyTextCtrl *m_enter; MyTextCtrl *m_enter;
@@ -134,9 +142,10 @@ public:
#endif // wxUSE_LOG #endif // wxUSE_LOG
private: private:
// get the currently focused text control or return the default one is no // get the currently focused text control or return the default one
// text ctrl has focus // (m_multitext) is no text ctrl has focus -- in any case, returns
wxTextCtrl *GetFocusedText(wxTextCtrl *textDef); // something non NULL
wxTextCtrl *GetFocusedText() const;
}; };
class MyFrame: public wxFrame class MyFrame: public wxFrame
@@ -153,9 +162,27 @@ public:
#if wxUSE_CLIPBOARD #if wxUSE_CLIPBOARD
void OnPasteFromClipboard( wxCommandEvent& WXUNUSED(event) ) void OnPasteFromClipboard( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoPasteFromClipboard(); } {
wxLogMessage(_T("Pasting text from clipboard."));
m_panel->DoPasteFromClipboard();
}
void OnCopyToClipboard( wxCommandEvent& WXUNUSED(event) ) void OnCopyToClipboard( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoCopyToClipboard(); } {
wxLogMessage(_T("Copying text to clipboard."));
m_panel->DoCopyToClipboard();
}
void OnUpdatePasteFromClipboard(wxUpdateUIEvent& event)
{
wxClipboardLocker lockClip;
event.Enable( wxTheClipboard->IsSupported(wxDF_TEXT) );
}
void OnUpdateCopyToClipboard(wxUpdateUIEvent& event)
{
event.Enable( m_panel->HasSelection() );
}
#endif // wxUSE_CLIPBOARD #endif // wxUSE_CLIPBOARD
void OnAddTextFreeze( wxCommandEvent& WXUNUSED(event) ) void OnAddTextFreeze( wxCommandEvent& WXUNUSED(event) )
@@ -406,10 +433,12 @@ bool MyApp::OnInit()
#endif // wxUSE_TOOLTIPS #endif // wxUSE_TOOLTIPS
#if wxUSE_CLIPBOARD #if wxUSE_CLIPBOARD
// notice that we use non default accelerators on purpose here to compare
// their behaviour with the built in handling of standard Ctrl/Cmd-C/V
wxMenu *menuClipboard = new wxMenu; wxMenu *menuClipboard = new wxMenu;
menuClipboard->Append(TEXT_CLIPBOARD_COPY, _T("&Copy\tCtrl-C"), menuClipboard->Append(TEXT_CLIPBOARD_COPY, _T("&Copy\tCtrl-Shift-C"),
_T("Copy the first line to the clipboard")); _T("Copy the selection to the clipboard"));
menuClipboard->Append(TEXT_CLIPBOARD_PASTE, _T("&Paste\tCtrl-V"), menuClipboard->Append(TEXT_CLIPBOARD_PASTE, _T("&Paste\tCtrl-Shift-V"),
_T("Paste from clipboard to the text control")); _T("Paste from clipboard to the text control"));
menu_bar->Append(menuClipboard, _T("&Clipboard")); menu_bar->Append(menuClipboard, _T("&Clipboard"));
#endif // wxUSE_CLIPBOARD #endif // wxUSE_CLIPBOARD
@@ -1026,12 +1055,12 @@ MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
SetSizer(topSizer); SetSizer(topSizer);
} }
wxTextCtrl *MyPanel::GetFocusedText(wxTextCtrl *textDef) wxTextCtrl *MyPanel::GetFocusedText() const
{ {
wxWindow *win = FindFocus(); wxWindow *win = FindFocus();
wxTextCtrl *text = win ? wxDynamicCast(win, wxTextCtrl) : NULL; wxTextCtrl *text = win ? wxDynamicCast(win, wxTextCtrl) : NULL;
return text ? text : textDef; return text ? text : m_multitext;
} }
#if wxUSE_CLIPBOARD #if wxUSE_CLIPBOARD
@@ -1069,7 +1098,7 @@ void MyPanel::DoPasteFromClipboard()
#if wxUSE_LOG #if wxUSE_LOG
*m_log << _T("Successfully retrieved data from the clipboard.\n"); *m_log << _T("Successfully retrieved data from the clipboard.\n");
#endif // wxUSE_LOG #endif // wxUSE_LOG
*m_multitext << data.GetText() << _T("\n"); GetFocusedText()->AppendText(data.GetText());
} }
else else
{ {
@@ -1099,7 +1128,7 @@ void MyPanel::DoCopyToClipboard()
// call has no effect under MSW. // call has no effect under MSW.
wxTheClipboard->UsePrimarySelection(); wxTheClipboard->UsePrimarySelection();
wxString text( m_multitext->GetLineText(0) ); wxString text( GetFocusedText()->GetStringSelection() );
if (text.IsEmpty()) if (text.IsEmpty())
{ {
@@ -1163,17 +1192,17 @@ void MyPanel::DoMoveToEndOfEntry()
void MyPanel::DoRemoveText() void MyPanel::DoRemoveText()
{ {
GetFocusedText(m_multitext)->Remove(0, 10); GetFocusedText()->Remove(0, 10);
} }
void MyPanel::DoReplaceText() void MyPanel::DoReplaceText()
{ {
GetFocusedText(m_multitext)->Replace(3, 8, _T("ABC")); GetFocusedText()->Replace(3, 8, _T("ABC"));
} }
void MyPanel::DoSelectText() void MyPanel::DoSelectText()
{ {
GetFocusedText(m_multitext)->SetSelection(3, 8); GetFocusedText()->SetSelection(3, 8);
} }
//---------------------------------------------------------------------- //----------------------------------------------------------------------
@@ -1204,6 +1233,9 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
#if wxUSE_CLIPBOARD #if wxUSE_CLIPBOARD
EVT_MENU(TEXT_CLIPBOARD_PASTE, MyFrame::OnPasteFromClipboard) EVT_MENU(TEXT_CLIPBOARD_PASTE, MyFrame::OnPasteFromClipboard)
EVT_MENU(TEXT_CLIPBOARD_COPY, MyFrame::OnCopyToClipboard) EVT_MENU(TEXT_CLIPBOARD_COPY, MyFrame::OnCopyToClipboard)
EVT_UPDATE_UI(TEXT_CLIPBOARD_PASTE, MyFrame::OnUpdatePasteFromClipboard)
EVT_UPDATE_UI(TEXT_CLIPBOARD_COPY, MyFrame::OnUpdateCopyToClipboard)
#endif // wxUSE_CLIPBOARD #endif // wxUSE_CLIPBOARD
EVT_MENU(TEXT_REMOVE, MyFrame::OnRemoveText) EVT_MENU(TEXT_REMOVE, MyFrame::OnRemoveText)