X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/572aeb77894e3b204a32c22bca066f9e5179d40c..b59da6c285f4ac1a52a879a7fa67b52351f08f34:/src/gtk/textctrl.cpp?ds=sidebyside diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index 596ab3c6b3..0441064567 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -41,147 +41,105 @@ extern bool g_isIdle; extern bool g_blockEventsOnDrag; extern wxCursor g_globalCursor; -//----------------------------------------------------------------------------- -// "changed" -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// helpers +// ---------------------------------------------------------------------------- -static void -gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +static void wxGtkTextInsert(GtkWidget *text, + const wxTextAttr& attr, + const char *txt, + size_t len) { - if (!win->m_hasVMT) return; + GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont() + : NULL; - if (g_isIdle) - wxapp_install_idle_handler(); + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; - win->SetModified(); - win->UpdateFontIfNeeded(); + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; - wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); - event.SetString( win->GetValue() ); - event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); + gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); } -//----------------------------------------------------------------------------- -// "changed" from vertical scrollbar -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// "insert_text" for GtkEntry +// ---------------------------------------------------------------------------- static void -gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +gtk_insert_text_callback(GtkEditable *editable, + const gchar *new_text, + gint new_text_length, + gint *position, + wxTextCtrl *win) { - if (!win->m_hasVMT) return; - if (g_isIdle) wxapp_install_idle_handler(); - win->CalculateScrollbar(); + // we should only be called if we have a max len limit at all + GtkEntry *entry = GTK_ENTRY (editable); + + wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") ); + + // check that we don't overflow the max length limit + // + // FIXME: this doesn't work when we paste a string which is going to be + // truncated + if ( entry->text_length == entry->text_max_length ) + { + // we don't need to run the base class version at all + gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text"); + + // remember that the next changed signal is to be ignored to avoid + // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event + win->IgnoreNextTextUpdate(); + + // and generate the correct one ourselves + wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId()); + event.SetEventObject(win); + event.SetString(win->GetValue()); + win->GetEventHandler()->ProcessEvent( event ); + } } //----------------------------------------------------------------------------- -// "focus_in_event" +// "changed" //----------------------------------------------------------------------------- -extern wxWindow *g_focusWindow; -extern bool g_blockEventsOnDrag; -// extern bool g_isIdle; - -static gint gtk_text_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win ) +static void +gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) { - // Necessary? -#if 0 - if (g_isIdle) - wxapp_install_idle_handler(); -#endif - if (!win->m_hasVMT) return FALSE; - if (g_blockEventsOnDrag) return FALSE; - - g_focusWindow = win; + if ( win->IgnoreTextUpdate() ) + return; - wxPanel *panel = wxDynamicCast(win->GetParent(), wxPanel); - if (panel) - { - panel->SetLastFocus(win); - } + if (!win->m_hasVMT) return; -#ifdef HAVE_XIM - if (win->m_ic) - gdk_im_begin(win->m_ic, win->m_wxwindow->window); -#endif + if (g_isIdle) + wxapp_install_idle_handler(); -#if 0 -#ifdef wxUSE_CARET - // caret needs to be informed about focus change - wxCaret *caret = win->GetCaret(); - if ( caret ) - { - caret->OnSetFocus(); - } -#endif // wxUSE_CARET -#endif + win->SetModified(); + win->UpdateFontIfNeeded(); - wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() ); + wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); event.SetEventObject( win ); - - if (win->GetEventHandler()->ProcessEvent( event )) - { - return TRUE; - } - - return FALSE; + event.SetString( win->GetValue() ); + win->GetEventHandler()->ProcessEvent( event ); } //----------------------------------------------------------------------------- -// "focus_out_event" +// "changed" from vertical scrollbar //----------------------------------------------------------------------------- -static gint gtk_text_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win ) +static void +gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { -#if 0 + if (!win->m_hasVMT) return; + if (g_isIdle) wxapp_install_idle_handler(); -#endif - if (!win->m_hasVMT) return FALSE; - if (g_blockEventsOnDrag) return FALSE; - -#if 0 - // if the focus goes out of our app alltogether, OnIdle() will send - // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset - // g_sendActivateEvent to -1 - g_sendActivateEvent = 0; -#endif - - wxWindow *winFocus = wxFindFocusedChild(win); - if ( winFocus ) - win = winFocus; - - g_focusWindow = (wxWindow *)NULL; - -#ifdef HAVE_XIM - if (win->m_ic) - gdk_im_end(); -#endif - -#if 0 -#ifdef wxUSE_CARET - // caret needs to be informed about focus change - wxCaret *caret = win->GetCaret(); - if ( caret ) - { - caret->OnKillFocus(); - } -#endif // wxUSE_CARET -#endif - - wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() ); - event.SetEventObject( win ); - - if (win->GetEventHandler()->ProcessEvent( event )) - { - return TRUE; - } - - return FALSE; + win->CalculateScrollbar(); } //----------------------------------------------------------------------------- @@ -208,6 +166,7 @@ END_EVENT_TABLE() void wxTextCtrl::Init() { + m_ignoreNextUpdate = m_modified = FALSE; m_updateFont = FALSE; m_text = @@ -309,6 +268,8 @@ bool wxTextCtrl::Create( wxWindow *parent, m_parent->DoAddChild( this ); + m_focusWidget = m_text; + PostCreation(); SetFont( parent->GetFont() ); @@ -329,20 +290,6 @@ bool wxTextCtrl::Create( wxWindow *parent, { gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); - - gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_in_event", - GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this ); - - gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_out_event", - GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this ); - } - else - { - gtk_signal_connect( GTK_OBJECT(m_text), "focus_in_event", - GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this ); - - gtk_signal_connect( GTK_OBJECT(m_text), "focus_out_event", - GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this ); } if (!value.IsEmpty()) @@ -400,10 +347,7 @@ bool wxTextCtrl::Create( wxWindow *parent, m_cursor = wxCursor( wxCURSOR_IBEAM ); - // FIXME: is the bg colour correct here? - wxTextAttr attrDef( colFg, - wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW), - parent->GetFont() ); + wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() ); SetDefaultStyle( attrDef ); Show( TRUE ); @@ -501,133 +445,82 @@ void wxTextCtrl::WriteText( const wxString &text ) if ( m_windowStyle & wxTE_MULTILINE ) { - /* this moves the cursor pos to behind the inserted text */ - gint len = GTK_EDITABLE(m_text)->current_pos; + // After cursor movements, gtk_text_get_point() is wrong by one. + gtk_text_set_point( GTK_TEXT(m_text), GTK_EDITABLE(m_text)->current_pos ); // if we have any special style, use it if ( !m_defaultStyle.IsDefault() ) { - GdkFont *font = m_defaultStyle.HasFont() - ? m_defaultStyle.GetFont().GetInternalFont() - : NULL; + GetInsertionPoint(); - GdkColor *colFg = m_defaultStyle.HasTextColour() - ? m_defaultStyle.GetTextColour().GetColor() - : NULL; - - GdkColor *colBg = m_defaultStyle.HasBackgroundColour() - ? m_defaultStyle.GetBackgroundColour().GetColor() - : NULL; - - gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen ); + wxGtkTextInsert(m_text, m_defaultStyle, txt, txtlen); } else // no style { + gint len = GTK_EDITABLE(m_text)->current_pos; gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); } - /* bring editable's cursor uptodate. bug in GTK. */ + // Bring editable's cursor back uptodate. GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); } else // single line { - /* this moves the cursor pos to behind the inserted text */ + // This moves the cursor pos to behind the inserted text. gint len = GTK_EDITABLE(m_text)->current_pos; gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); - /* bring editable's cursor uptodate. bug in GTK. */ + // Bring editable's cursor uptodate. GTK_EDITABLE(m_text)->current_pos += text.Len(); - /* bring entry's cursor uptodate. bug in GTK. */ + // Bring entry's cursor uptodate. gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos ); } + + m_modified = TRUE; } void wxTextCtrl::AppendText( const wxString &text ) { - wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - - if ( text.empty() ) - return; - -#if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - const char *txt = buf; - size_t txtlen = strlen(buf); -#else - const char *txt = text; - size_t txtlen = text.length(); -#endif + SetInsertionPointEnd(); + WriteText( text ); +} +wxString wxTextCtrl::GetLineText( long lineNo ) const +{ if (m_windowStyle & wxTE_MULTILINE) { - if ( !m_defaultStyle.IsDefault() ) - { - wxFont font = m_defaultStyle.HasFont() ? m_defaultStyle.GetFont() - : m_font; - GdkFont *fnt = font.Ok() ? font.GetInternalFont() : NULL; - - wxColour col = m_defaultStyle.HasTextColour() - ? m_defaultStyle.GetTextColour() - : m_foregroundColour; - GdkColor *colFg = col.Ok() ? col.GetColor() : NULL; + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - col = m_defaultStyle.HasBackgroundColour() - ? m_defaultStyle.GetBackgroundColour() - : m_backgroundColour; - GdkColor *colBg = col.Ok() ? col.GetColor() : NULL; + if (text) + { + wxString buf(wxT("")); + long i; + int currentLine = 0; + for (i = 0; currentLine != lineNo && text[i]; i++ ) + if (text[i] == '\n') + currentLine++; + // Now get the text + int j; + for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) + buf += text[i]; - gtk_text_insert( GTK_TEXT(m_text), fnt, colFg, colBg, txt, txtlen ); + g_free( text ); + return buf; } - else // no style + else { - /* we'll insert at the last position */ - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); - gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); + return wxEmptyString; } - - /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); } - else // single line + else { - gtk_entry_append_text( GTK_ENTRY(m_text), txt ); + if (lineNo == 0) return GetValue(); + return wxEmptyString; } } -wxString wxTextCtrl::GetLineText( long lineNo ) const -{ - if (m_windowStyle & wxTE_MULTILINE) - { - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); - char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - - if (text) - { - wxString buf(wxT("")); - long i; - int currentLine = 0; - for (i = 0; currentLine != lineNo && text[i]; i++ ) - if (text[i] == '\n') - currentLine++; - // Now get the text - int j; - for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) - buf += text[i]; - - g_free( text ); - return buf; - } - else - return wxEmptyString; - } - else - { - if (lineNo == 0) return GetValue(); - return wxEmptyString; - } -} - void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) { /* If you implement this, don't forget to update the documentation! @@ -828,6 +721,61 @@ void wxTextCtrl::DiscardEdits() m_modified = FALSE; } +// ---------------------------------------------------------------------------- +// max text length support +// ---------------------------------------------------------------------------- + +void wxTextCtrl::IgnoreNextTextUpdate() +{ + m_ignoreNextUpdate = TRUE; +} + +bool wxTextCtrl::IgnoreTextUpdate() +{ + if ( m_ignoreNextUpdate ) + { + m_ignoreNextUpdate = FALSE; + + return TRUE; + } + + return FALSE; +} + +void wxTextCtrl::SetMaxLength(unsigned long len) +{ + if ( !HasFlag(wxTE_MULTILINE) ) + { + gtk_entry_set_max_length(GTK_ENTRY(m_text), len); + + // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if + // we had tried to enter more text than allowed by max text length and + // the text wasn't really changed + // + // to detect this and generate TEXT_MAXLEN event instead of + // TEXT_CHANGED one in this case we also catch "insert_text" signal + // + // when max len is set to 0 we disconnect our handler as it means that + // we shouldn't check anything any more + if ( len ) + { + gtk_signal_connect( GTK_OBJECT(m_text), + "insert_text", + GTK_SIGNAL_FUNC(gtk_insert_text_callback), + (gpointer)this); + } + else // no checking + { + gtk_signal_disconnect_by_func + ( + GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_insert_text_callback), + (gpointer)this + ); + } + } +} + void wxTextCtrl::SetSelection( long from, long to ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); @@ -1138,7 +1086,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) return TRUE; } -bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style ) +bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) { /* VERY dirty way to do that - removes the required text and re-adds it with styling (FIXME) */ @@ -1172,19 +1120,13 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style ) size_t txtlen = tmp.length(); #endif - GdkFont *font = style.HasFont() - ? style.GetFont().GetInternalFont() - : NULL; - - GdkColor *colFg = style.HasTextColour() - ? style.GetTextColour().GetColor() - : NULL; - - GdkColor *colBg = style.HasBackgroundColour() - ? style.GetBackgroundColour().GetColor() - : NULL; - - gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen ); + // use the attributes from style which are set in it and fall back + // first to the default style and then to the text control default + // colours for the others + wxGtkTextInsert(m_text, + wxTextAttr::Combine(style, m_defaultStyle, this), + txt, + txtlen); /* does not seem to help under GTK+ 1.2 !!! gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */