X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1f4774338e881f11ef804d1f607c97eb539d8870..8912d7eb182ef5a5f95026a9ed239c9ad6c75915:/src/gtk/textctrl.cpp?ds=sidebyside diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index 57de39f9ff..b7dd3a877d 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -21,10 +21,15 @@ #include #include #include +#include // for fabs -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#include "gdk/gdkkeysyms.h" +// TODO: reimplement wxTextCtrl using GtkTextView +#ifdef __WXGTK20__ + #define GTK_ENABLE_BROKEN // need this to get GtkText at all +#endif // __WXGTK20__ + +#include "wx/gtk/private.h" +#include //----------------------------------------------------------------------------- // idle system @@ -40,149 +45,105 @@ 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 )) - { - gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_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 )) - { - gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_out_event" ); - return TRUE; - } - - return FALSE; + win->CalculateScrollbar(); } //----------------------------------------------------------------------------- @@ -209,6 +170,7 @@ END_EVENT_TABLE() void wxTextCtrl::Init() { + m_ignoreNextUpdate = m_modified = FALSE; m_updateFont = FALSE; m_text = @@ -254,7 +216,7 @@ bool wxTextCtrl::Create( wxWindow *parent, bool multi_line = (style & wxTE_MULTILINE) != 0; if (multi_line) { -#if (GTK_MINOR_VERSION > 2) +#ifdef __WXGTK13__ /* a multi-line edit control: create a vertical scrollbar by default and horizontal if requested */ bool bHasHScrollbar = (style & wxHSCROLL) != 0; @@ -276,7 +238,7 @@ bool wxTextCtrl::Create( wxWindow *parent, /* always wrap words */ gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE ); -#if (GTK_MINOR_VERSION > 2) +#ifdef __WXGTK13__ /* put the horizontal scrollbar in the lower left hand corner */ if (bHasHScrollbar) { @@ -310,6 +272,8 @@ bool wxTextCtrl::Create( wxWindow *parent, m_parent->DoAddChild( this ); + m_focusWidget = m_text; + PostCreation(); SetFont( parent->GetFont() ); @@ -330,27 +294,13 @@ 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()) { gint tmp = 0; -#if GTK_MINOR_VERSION == 0 +#if !GTK_CHECK_VERSION(1, 2, 0) // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in // gtk_editable_insert_text() gtk_widget_realize(m_text); @@ -366,8 +316,7 @@ bool wxTextCtrl::Create( wxWindow *parent, if (multi_line) { /* bring editable's cursor uptodate. bug in GTK. */ - - GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); } } @@ -401,10 +350,7 @@ 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 ); @@ -502,129 +448,80 @@ 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), GET_EDITABLE_POS(m_text) ); // 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; + GetInsertionPoint(); - 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 = GET_EDITABLE_POS(m_text); 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) ); + // Bring editable's cursor back uptodate. + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); } else // single line { - /* this moves the cursor pos to behind the inserted text */ - gint len = GTK_EDITABLE(m_text)->current_pos; + // This moves the cursor pos to behind the inserted text. + gint len = GET_EDITABLE_POS(m_text); 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(); + // Bring editable's cursor uptodate. + len += text.Len(); - /* bring entry's cursor uptodate. bug in GTK. */ - gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos ); + // Bring entry's cursor uptodate. + gtk_entry_set_position( GTK_ENTRY(m_text), len ); } + + 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() ) - { - GdkFont *font = m_defaultStyle.HasFont() - ? m_defaultStyle.GetFont().GetInternalFont() - : NULL; - - GdkColor *colFg = m_defaultStyle.HasTextColour() - ? m_defaultStyle.GetTextColour().GetColor() - : NULL; + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - GdkColor *colBg = m_defaultStyle.HasBackgroundColour() - ? m_defaultStyle.GetBackgroundColour().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), font, 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 - { - gtk_entry_append_text( GTK_ENTRY(m_text), txt ); - } -} - -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) + else { - 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; + if (lineNo == 0) return GetValue(); + return wxEmptyString; } - else - return wxEmptyString; - } - else - { - if (lineNo == 0) return GetValue(); - return wxEmptyString; - } } void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) @@ -749,7 +646,7 @@ void wxTextCtrl::SetInsertionPoint( long pos ) /* bring editable's cursor uptodate. another bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); } else { @@ -757,7 +654,7 @@ void wxTextCtrl::SetInsertionPoint( long pos ) /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos = (guint32)pos; + SET_EDITABLE_POS(m_text, (guint32)pos); } } @@ -827,6 +724,61 @@ 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") ); @@ -842,16 +794,26 @@ void wxTextCtrl::SetSelection( long from, long to ) gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } -void wxTextCtrl::ShowPosition( long WXUNUSED(pos) ) +void wxTextCtrl::ShowPosition( long pos ) { -// SetInsertionPoint( pos ); + if (m_windowStyle & wxTE_MULTILINE) + { + GtkAdjustment *vp = GTK_TEXT(m_text)->vadj; + float totalLines = (float) GetNumberOfLines(); + long posX; + long posY; + PositionToXY(pos, &posX, &posY); + float posLine = (float) posY; + float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower; + gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p); + } } long wxTextCtrl::GetInsertionPoint() const { wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); - return (long) GTK_EDITABLE(m_text)->current_pos; + return (long) GET_EDITABLE_POS(m_text); } long wxTextCtrl::GetLastPosition() const @@ -896,33 +858,21 @@ void wxTextCtrl::Cut() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); -#if (GTK_MINOR_VERSION > 0) - gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) ); -#else - gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 ); -#endif + gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); } void wxTextCtrl::Copy() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); -#if (GTK_MINOR_VERSION > 0) - gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) ); -#else - gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 ); -#endif + gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); } void wxTextCtrl::Paste() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); -#if (GTK_MINOR_VERSION > 0) - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); -#else - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); -#endif + gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); } // Undo/redo @@ -958,21 +908,27 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - long from, to; + gint from, to; +#ifdef __WXGTK20__ + if ( !gtk_editable_get_selection_bounds(GTK_EDITABLE(m_text), &from, &to) ) +#else if ( !(GTK_EDITABLE(m_text)->has_selection) ) +#endif { from = to = GetInsertionPoint(); } else // got selection { +#ifndef __WXGTK20__ from = (long) GTK_EDITABLE(m_text)->selection_start_pos; to = (long) GTK_EDITABLE(m_text)->selection_end_pos; +#endif if ( from > to ) { // exchange them to be compatible with wxMSW - long tmp = from; + gint tmp = from; from = to; to = tmp; } @@ -988,7 +944,11 @@ bool wxTextCtrl::IsEditable() const { wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); +#ifdef __WXGTK20__ + return gtk_editable_get_editable(GTK_EDITABLE(m_text)); +#else return GTK_EDITABLE(m_text)->editable; +#endif } bool wxTextCtrl::IsModified() const @@ -1015,15 +975,22 @@ void wxTextCtrl::OnChar( wxKeyEvent &key_event ) if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) { + // This will invoke the dialog default action, such + // as the clicking the default button. + wxWindow *top_frame = m_parent; while (top_frame->GetParent() && !(top_frame->IsTopLevel())) top_frame = top_frame->GetParent(); - GtkWindow *window = GTK_WINDOW(top_frame->m_widget); - - if (window->default_widget) + + if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) { - gtk_widget_activate (window->default_widget); - return; + GtkWindow *window = GTK_WINDOW(top_frame->m_widget); + + if (window->default_widget) + { + gtk_widget_activate (window->default_widget); + return; + } } } @@ -1048,7 +1015,7 @@ bool wxTextCtrl::SetFont( const wxFont &font ) { wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); - if ( !wxWindowBase::SetFont(font) ) + if ( !wxTextCtrlBase::SetFont(font) ) { // font didn't change, nothing to do return FALSE; @@ -1058,6 +1025,8 @@ bool wxTextCtrl::SetFont( const wxFont &font ) { m_updateFont = TRUE; + m_defaultStyle.SetFont(font); + ChangeFontGlobally(); } @@ -1074,10 +1043,10 @@ void wxTextCtrl::ChangeFontGlobally() wxString value = GetValue(); if ( !value.IsEmpty() ) { + m_updateFont = FALSE; + Clear(); AppendText(value); - - m_updateFont = FALSE; } } @@ -1108,7 +1077,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) if (!m_widget->window) return FALSE; - wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); + wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ); if (sysbg.Red() == colour.Red() && sysbg.Green() == colour.Green() && sysbg.Blue() == colour.Blue()) @@ -1135,7 +1104,7 @@ 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) */ @@ -1169,19 +1138,13 @@ 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 ); */ @@ -1292,6 +1255,10 @@ wxSize wxTextCtrl::DoGetBestSize() const return wxSize(80, ret.y); } +// ---------------------------------------------------------------------------- +// freeze/thaw +// ---------------------------------------------------------------------------- + void wxTextCtrl::Freeze() { if ( HasFlag(wxTE_MULTILINE) ) @@ -1304,6 +1271,64 @@ void wxTextCtrl::Thaw() { if ( HasFlag(wxTE_MULTILINE) ) { + GTK_TEXT(m_text)->vadj->value = 0.0; + gtk_text_thaw(GTK_TEXT(m_text)); } } + +// ---------------------------------------------------------------------------- +// scrolling +// ---------------------------------------------------------------------------- + +GtkAdjustment *wxTextCtrl::GetVAdj() const +{ + return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL; +} + +bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) +{ + float value = adj->value + diff; + + if ( value < 0 ) + value = 0; + + float upper = adj->upper - adj->page_size; + if ( value > upper ) + value = upper; + + // did we noticeably change the scroll position? + if ( fabs(adj->value - value) < 0.2 ) + { + // well, this is what Robert does in wxScrollBar, so it must be good... + return FALSE; + } + + adj->value = value; + + gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); + + return TRUE; +} + +bool wxTextCtrl::ScrollLines(int lines) +{ + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; + + // this is hardcoded to 10 in GTK+ 1.2 (great idea) + static const int KEY_SCROLL_PIXELS = 10; + + return DoScroll(adj, lines*KEY_SCROLL_PIXELS); +} + +bool wxTextCtrl::ScrollPages(int pages) +{ + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; + + return DoScroll(adj, (int)ceil(pages*adj->page_increment)); +} +