X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a1f79c1e0064c7927ef4b8867acca5e061d1da67..b142515e79888988bf22c532c8c0da175fb59aca:/src/gtk/textctrl.cpp diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index 6194b622bc..65f7951813 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -16,6 +16,7 @@ #include "wx/intl.h" #include "wx/log.h" #include "wx/settings.h" +#include "wx/panel.h" #include #include @@ -75,6 +76,115 @@ gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) win->CalculateScrollbar(); } +//----------------------------------------------------------------------------- +// "focus_in_event" +//----------------------------------------------------------------------------- + +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 ) +{ + // 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; + + wxPanel *panel = wxDynamicCast(win->GetParent(), wxPanel); + if (panel) + { + panel->SetLastFocus(win); + } + +#ifdef HAVE_XIM + if (win->m_ic) + gdk_im_begin(win->m_ic, win->m_wxwindow->window); +#endif + +#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 + + wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() ); + event.SetEventObject( win ); + + if (win->GetEventHandler()->ProcessEvent( event )) + { + gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_event" ); + return TRUE; + } + + return FALSE; +} + +//----------------------------------------------------------------------------- +// "focus_out_event" +//----------------------------------------------------------------------------- + +static gint gtk_text_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win ) +{ +#if 0 + 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 )) + { + gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_out_event" ); + return TRUE; + } + + return FALSE; +} + //----------------------------------------------------------------------------- // wxTextCtrl //----------------------------------------------------------------------------- @@ -216,14 +326,24 @@ bool wxTextCtrl::Create( wxWindow *parent, if (multi_line) gtk_widget_show(m_text); - /* we want to be notified about text changes */ - gtk_signal_connect( GTK_OBJECT(m_text), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); - if (multi_line) { 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()) @@ -268,11 +388,25 @@ bool wxTextCtrl::Create( wxWindow *parent, gtk_text_set_editable( GTK_TEXT(m_text), 1 ); } - SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ); - SetForegroundColour( parent->GetForegroundColour() ); + /* we want to be notified about text changes */ + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + /* we don't set a valid background colour, because the window + manager should use a default one */ + m_backgroundColour = wxColour(); + + wxColour colFg = parent->GetForegroundColour(); + SetForegroundColour( colFg ); m_cursor = wxCursor( wxCURSOR_IBEAM ); + // FIXME: is the bg colour correct here? + wxTextAttr attrDef( colFg, + wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW), + parent->GetFont() ); + SetDefaultStyle( attrDef ); + Show( TRUE ); return TRUE; @@ -354,33 +488,53 @@ void wxTextCtrl::WriteText( const wxString &text ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (text.IsEmpty()) return; + if ( text.empty() ) + return; - if (m_windowStyle & wxTE_MULTILINE) +#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 + + if ( m_windowStyle & wxTE_MULTILINE ) { /* this moves the cursor pos to behind the inserted text */ gint len = GTK_EDITABLE(m_text)->current_pos; -#if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); -#else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); -#endif + // if we have any special style, use it + if ( !m_defaultStyle.IsDefault() ) + { + GdkFont *font = m_defaultStyle.HasFont() + ? m_defaultStyle.GetFont().GetInternalFont() + : NULL; + + 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 ); + } + else // no style + { + gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); + } /* bring editable's cursor uptodate. bug in GTK. */ GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); } - else + else // single line { /* this moves the cursor pos to behind the inserted text */ gint len = GTK_EDITABLE(m_text)->current_pos; -#if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); -#else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); -#endif + gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); /* bring editable's cursor uptodate. bug in GTK. */ GTK_EDITABLE(m_text)->current_pos += text.Len(); @@ -394,40 +548,49 @@ void wxTextCtrl::AppendText( const wxString &text ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (text.IsEmpty()) return; + 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 if (m_windowStyle & wxTE_MULTILINE) { - bool hasSpecialAttributes = m_font.Ok() || - m_foregroundColour.Ok() || - m_backgroundColour.Ok(); - if ( hasSpecialAttributes ) + if ( !m_defaultStyle.IsDefault() ) { - gtk_text_insert( GTK_TEXT(m_text), - m_font.GetInternalFont(), - m_foregroundColour.GetColor(), - m_backgroundColour.GetColor(), - text.mbc_str(), text.length()); + GdkFont *font = m_defaultStyle.HasFont() + ? m_defaultStyle.GetFont().GetInternalFont() + : NULL; + + 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 ); } - else + else // no style { /* we'll insert at the last position */ gint len = gtk_text_get_length( GTK_TEXT(m_text) ); -#if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); -#else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); -#endif + gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); } /* bring editable's cursor uptodate. bug in GTK. */ GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); } - else + else // single line { - gtk_entry_append_text( GTK_ENTRY(m_text), text.mbc_str() ); + gtk_entry_append_text( GTK_ENTRY(m_text), txt ); } } @@ -629,6 +792,7 @@ bool wxTextCtrl::Enable( bool enable ) if (m_windowStyle & wxTE_MULTILINE) { gtk_text_set_editable( GTK_TEXT(m_text), enable ); + OnParentEnable(enable); } else { @@ -638,6 +802,26 @@ bool wxTextCtrl::Enable( bool enable ) return TRUE; } +// wxGTK-specific: called recursively by Enable, +// to give widgets an oppprtunity to correct their colours after they +// have been changed by Enable +void wxTextCtrl::OnParentEnable( bool enable ) +{ + // If we have a custom background colour, we use this colour in both + // disabled and enabled mode, or we end up with a different colour under the + // text. + wxColour oldColour = GetBackgroundColour(); + if (oldColour.Ok()) + { + // Need to set twice or it'll optimize the useful stuff out + if (oldColour == * wxWHITE) + SetBackgroundColour(*wxBLACK); + else + SetBackgroundColour(*wxWHITE); + SetBackgroundColour(oldColour); + } +} + void wxTextCtrl::DiscardEdits() { m_modified = FALSE; @@ -741,27 +925,6 @@ void wxTextCtrl::Paste() #endif } -bool wxTextCtrl::CanCopy() const -{ - // Can copy if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) ; -} - -bool wxTextCtrl::CanCut() const -{ - // Can cut if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) && (IsEditable()); -} - -bool wxTextCtrl::CanPaste() const -{ - return IsEditable() ; -} - // Undo/redo void wxTextCtrl::Undo() { @@ -791,20 +954,34 @@ bool wxTextCtrl::CanRedo() const // If the return values from and to are the same, there is no // selection. -void wxTextCtrl::GetSelection(long* from, long* to) const +void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (!(GTK_EDITABLE(m_text)->has_selection)) + long from, to; + if ( !(GTK_EDITABLE(m_text)->has_selection) ) { - long i = GetInsertionPoint(); - if (from) *from = i; - if (to) *to = i; - return; + from = + to = GetInsertionPoint(); + } + else // got selection + { + from = (long) GTK_EDITABLE(m_text)->selection_start_pos; + to = (long) GTK_EDITABLE(m_text)->selection_end_pos; + + if ( from > to ) + { + // exchange them to be compatible with wxMSW + long tmp = from; + from = to; + to = tmp; + } } - if (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos; - if (to) *to = (long) GTK_EDITABLE(m_text)->selection_end_pos; + if ( fromOut ) + *fromOut = from; + if ( toOut ) + *toOut = to; } bool wxTextCtrl::IsEditable() const @@ -910,12 +1087,15 @@ void wxTextCtrl::UpdateFontIfNeeded() ChangeFontGlobally(); } -bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + if ( !wxControl::SetForegroundColour(colour) ) + return FALSE; - // doesn't work - return FALSE; + // update default fg colour too + m_defaultStyle.SetTextColour(colour); + + return TRUE; } bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) @@ -948,9 +1128,72 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) gdk_window_clear( window ); } + // change active background color too + m_defaultStyle.SetBackgroundColour( colour ); + return TRUE; } +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) */ + if ( m_windowStyle & wxTE_MULTILINE ) + { + if ( style.IsDefault() ) + { + // nothing to do + return TRUE; + } + + gint l = gtk_text_get_length( GTK_TEXT(m_text) ); + + wxCHECK_MSG( start >= 0 && end <= l, FALSE, + _T("invalid range in wxTextCtrl::SetStyle") ); + + gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end ); + wxString tmp(text,*wxConvCurrent); + g_free( text ); + + gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end ); + gtk_editable_set_position( GTK_EDITABLE(m_text), start ); + +#if wxUSE_UNICODE + wxWX2MBbuf buf = tmp.mbc_str(); + const char *txt = buf; + size_t txtlen = strlen(buf); +#else + const char *txt = tmp; + 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 ); + + /* does not seem to help under GTK+ 1.2 !!! + gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */ + SetInsertionPoint( old_pos ); + return TRUE; + } + else // singe line + { + // cannot do this for GTK+'s Entry widget + return FALSE; + } +} + void wxTextCtrl::ApplyWidgetStyle() { if (m_windowStyle & wxTE_MULTILINE)