/////////////////////////////////////////////////////////////////////////////
-// Name: textctrl.cpp
+// Name: src/gtk/textctrl.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
-// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
+// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin, 2005 Mart Raudsepp
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
#include "wx/textctrl.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/log.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/panel.h"
+ #include "wx/settings.h"
+#endif
+
#include "wx/math.h"
-#include "wx/settings.h"
-#include "wx/panel.h"
#include "wx/strconv.h"
#include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo())
#include "wx/gtk/private.h"
#include <gdk/gdkkeysyms.h>
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
-extern wxCursor g_globalCursor;
extern wxWindowGTK *g_delayedFocus;
// ----------------------------------------------------------------------------
if (!name || strncmp(name, prefix, strlen(prefix)))
// anonymous tag or not starting with prefix - don't remove
- g_signal_stop_emission_by_name(buffer, "remove_tag");
+ g_signal_stop_emission_by_name (buffer, "remove_tag");
g_free(name);
}
static gchar buf[1024];
GtkTextTag *tag;
- gulong remove_handler_id = g_signal_connect( text_buffer, "remove_tag",
- G_CALLBACK(wxGtkOnRemoveTag), gpointer("WX"));
+ gulong remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
+ G_CALLBACK (wxGtkOnRemoveTag), gpointer("WX"));
gtk_text_buffer_remove_all_tags(text_buffer, start, end);
- g_signal_handler_disconnect( text_buffer, remove_handler_id );
+ g_signal_handler_disconnect (text_buffer, remove_handler_id);
if (attr.HasFont())
{
NULL );
gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
g_free (font_string);
+
+ if (attr.GetFont().GetUnderlined())
+ {
+ g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
+ tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+ buf );
+ if (!tag)
+ tag = gtk_text_buffer_create_tag( text_buffer, buf,
+ "underline-set", TRUE,
+ "underline", PANGO_UNDERLINE_SINGLE,
+ NULL );
+ gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
+ }
}
if (attr.HasTextColour())
gtk_text_iter_get_line(start) );
gtk_text_iter_forward_line(¶_end);
- remove_handler_id = g_signal_connect( text_buffer, "remove_tag",
+ remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
G_CALLBACK(wxGtkOnRemoveTag),
gpointer("WXALIGNMENT"));
gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_end );
- g_signal_handler_disconnect( text_buffer, remove_handler_id );
+ g_signal_handler_disconnect (text_buffer, remove_handler_id);
GtkJustification align;
switch (attr.GetAlignment())
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");
+ g_signal_stop_emission_by_name (editable, "insert_text");
// remember that the next changed signal is to be ignored to avoid
// generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
gpointer textctrl)
{
if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
- g_signal_stop_emission_by_name(buffer, "apply_tag");
+ g_signal_stop_emission_by_name (buffer, "apply_tag");
}
}
if(n < WXSIZEOF(URIPrefixes))
{
- gulong signal_id = g_signal_handler_find(buffer,
- (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
- 0, 0, NULL,
- (gpointer)au_apply_tag_callback, NULL);
+ gulong signal_id = g_signal_handler_find (buffer,
+ (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
+ 0, 0, NULL,
+ (gpointer)au_apply_tag_callback, NULL);
- g_signal_handler_block(buffer, signal_id);
+ g_signal_handler_block (buffer, signal_id);
gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
- g_signal_handler_unblock(buffer, signal_id);
+ g_signal_handler_unblock (buffer, signal_id);
}
}
}
if (g_isIdle)
wxapp_install_idle_handler();
- win->SetModified();
+ if ( win->MarkDirtyOnChange() )
+ win->MarkDirty();
wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
event.SetEventObject( win );
}
}
+//-----------------------------------------------------------------------------
+// clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
+//-----------------------------------------------------------------------------
+
+// common part of the event handlers below
+static void
+handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
+ wxEventType eventType, const gchar * signal_name)
+{
+ wxClipboardTextEvent event( eventType, win->GetId() );
+ event.SetEventObject( win );
+ if ( win->GetEventHandler()->ProcessEvent( event ) )
+ {
+ // don't let the default processing to take place if we did something
+ // ourselves in the event handler
+ g_signal_stop_emission_by_name (widget, signal_name);
+ }
+}
+
+extern "C" {
+static void
+gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
+{
+ handle_text_clipboard_callback(
+ widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
+}
+
+static void
+gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
+{
+ handle_text_clipboard_callback(
+ widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
+}
+
+static void
+gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
+{
+ handle_text_clipboard_callback(
+ widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
+}
+}
+
//-----------------------------------------------------------------------------
// "expose_event" from scrolled window and textview
//-----------------------------------------------------------------------------
void wxTextCtrl::Init()
{
+ m_dontMarkDirty =
m_ignoreNextUpdate =
m_modified = false;
+
SetUpdateFont(false);
- m_text =
- m_vScrollbar = (GtkWidget *)NULL;
+
+ m_text = NULL;
m_frozenness = 0;
m_gdkHandCursor = NULL;
m_gdkXTermCursor = NULL;
return false;
}
-
- m_vScrollbarVisible = false;
-
bool multi_line = (style & wxTE_MULTILINE) != 0;
if (multi_line)
m_widget = gtk_scrolled_window_new( NULL, NULL );
gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+ // for ScrollLines/Pages
+ m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
// Insert view into scrolled window
gtk_container_add( GTK_CONTAINER(m_widget), m_text );
gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
- if (!HasFlag(wxNO_BORDER))
- gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
+ GtkScrolledWindowSetBorder(m_widget, style);
gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
m_text = gtk_entry_new();
if (style & wxNO_BORDER)
- g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL );
+ g_object_set (m_text, "has-frame", FALSE, NULL);
}
m_parent->DoAddChild( this );
PostCreation(size);
if (multi_line)
+ {
gtk_widget_show(m_text);
+ }
if (!value.empty())
{
if (style & wxTE_READONLY)
{
if (!multi_line)
- gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
+ gtk_editable_set_editable( GTK_EDITABLE(m_text), FALSE );
else
gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
}
// We want to be notified about text changes.
if (multi_line)
{
- g_signal_connect( G_OBJECT(m_buffer), "changed",
- GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+ g_signal_connect (m_buffer, "changed",
+ G_CALLBACK (gtk_text_changed_callback), this);
// .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
if (style & wxTE_AUTO_URL)
NULL);
// Check for URLs after each text change
- g_signal_connect_after( G_OBJECT(m_buffer), "insert_text",
- GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this);
- g_signal_connect_after( G_OBJECT(m_buffer), "delete_range",
- GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this);
+ g_signal_connect_after (m_buffer, "insert_text",
+ G_CALLBACK (au_insert_text_callback), this);
+ g_signal_connect_after (m_buffer, "delete_range",
+ G_CALLBACK (au_delete_range_callback), this);
// Block all wxUrl tag applying unless we do it ourselves, in which case we
// block this callback temporarily. This takes care of gtk+ internal
// which is undesired because only a part of the URL might be copied.
// The insert-text signal emitted inside it will take care of newly formed
// or wholly copied URLs.
- g_signal_connect( G_OBJECT(m_buffer), "apply_tag",
- GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL);
+ g_signal_connect (m_buffer, "apply_tag",
+ G_CALLBACK (au_apply_tag_callback), NULL);
// Check for URLs in the initial string passed to Create
gtk_text_buffer_get_start_iter(m_buffer, &start);
}
else
{
- gtk_signal_connect( GTK_OBJECT(m_text), "changed",
- GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+ g_signal_connect (m_text, "changed",
+ G_CALLBACK (gtk_text_changed_callback), this);
}
+ g_signal_connect (m_text, "copy-clipboard",
+ G_CALLBACK (gtk_copy_clipboard_callback), this);
+ g_signal_connect (m_text, "cut-clipboard",
+ G_CALLBACK (gtk_cut_clipboard_callback), this);
+ g_signal_connect (m_text, "paste-clipboard",
+ G_CALLBACK (gtk_paste_clipboard_callback), this);
+
m_cursor = wxCursor( wxCURSOR_IBEAM );
wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
gtk_text_buffer_get_end_iter( m_buffer, &end );
gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
-#if wxUSE_UNICODE
- wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
-#else
- wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
-#endif
- if ( buffer )
- tmp = buffer;
+ const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
+ if ( buf )
+ tmp = buf;
g_free( text );
}
else
{
- tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
+ const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
+ const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
+ if ( buf )
+ tmp = buf;
}
return tmp;
{
wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+ // the control won't be modified any more as we programmatically replace
+ // all the existing text, so reset the flag and don't set it again (and do
+ // it now, before the text event handler is ran so that IsModified() called
+ // from there returns the expected value)
+ m_modified = false;
+ DontMarkDirtyOnNextChange();
+
if (m_windowStyle & wxTE_MULTILINE)
{
-#if wxUSE_UNICODE
- wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
-#else
- wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
-#endif
- if (gtk_text_buffer_get_char_count(m_buffer) != 0)
- IgnoreNextTextUpdate();
-
+ const wxCharBuffer buffer(wxGTK_CONV(value));
if ( !buffer )
{
// what else can we do? at least don't crash...
return;
}
+ if (gtk_text_buffer_get_char_count(m_buffer) != 0)
+ IgnoreNextTextUpdate();
+
gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
}
- else
+ else // single line
{
- gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
+ // gtk_entry_set_text() emits two "changed" signals because internally
+ // it calls gtk_editable_delete_text() and gtk_editable_insert_text()
+ // but we want to have only one event
+ IgnoreNextTextUpdate();
+
+ gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV(value) );
}
// GRG, Jun/2000: Changed this after a lot of discussion in
// the lists. wxWidgets 2.2 will have a set of flags to
// customize this behaviour.
SetInsertionPoint(0);
-
- m_modified = false;
}
void wxTextCtrl::WriteText( const wxString &text )
if ( text.empty() )
return;
- // gtk_text_changed_callback() will set m_modified to true but m_modified
- // shouldn't be changed by the program writing to the text control itself,
- // so save the old value and restore when we're done
- bool oldModified = m_modified;
+ const wxCharBuffer buffer(wxGTK_CONV(text));
+ if ( !buffer )
+ {
+ // what else can we do? at least don't crash...
+ return;
+ }
+
+ // we're changing the text programmatically
+ DontMarkDirtyOnNextChange();
if ( m_windowStyle & wxTE_MULTILINE )
{
-#if wxUSE_UNICODE
- wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
-#else
- wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
-#endif
- if ( !buffer )
- {
- // what else can we do? at least don't crash...
- return;
- }
+ // First remove the selection if there is one
+ // TODO: Is there an easier GTK specific way to do this?
+ long from, to;
+ GetSelection(&from, &to);
+ if (from != to)
+ Remove(from, to);
- // TODO: Call whatever is needed to delete the selection.
+ // Insert the text
wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
// This moves the cursor pos to behind the inserted text.
- gint len = GET_EDITABLE_POS(m_text);
-
-#if wxUSE_UNICODE
- wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
-#else
- wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
-#endif
- if ( !buffer )
- {
- // what else can we do? at least don't crash...
- return;
- }
+ gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
// Bring entry's cursor uptodate.
- gtk_entry_set_position( GTK_ENTRY(m_text), len );
+ gtk_editable_set_position( GTK_EDITABLE(m_text), len );
}
-
- m_modified = oldModified;
}
void wxTextCtrl::AppendText( const wxString &text )
else
{
wxString str = GetLineText (lineNo);
- return (int) str.Length();
+ return (int) str.length();
}
}
int wxTextCtrl::GetNumberOfLines() const
{
- if (m_windowStyle & wxTE_MULTILINE)
- return gtk_text_buffer_get_line_count( m_buffer );
- else
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ GtkTextIter iter;
+ gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, 0 );
+
+ // move forward by one display line until the end is reached
+ int lineCount = 1;
+ while ( gtk_text_view_forward_display_line(GTK_TEXT_VIEW(m_text), &iter) )
+ {
+ lineCount++;
+ }
+
+ // If the last character in the text buffer is a newline,
+ // gtk_text_view_forward_display_line() will return false without that
+ // line being counted. Must add one manually in that case.
+ GtkTextIter lastCharIter;
+ gtk_text_buffer_get_iter_at_offset
+ (
+ m_buffer,
+ &lastCharIter,
+ gtk_text_buffer_get_char_count(m_buffer) - 1
+ );
+ gchar lastChar = gtk_text_iter_get_char( &lastCharIter );
+ if ( lastChar == wxT('\n') )
+ lineCount++;
+
+ return lineCount;
+ }
+ else // single line
+ {
return 1;
+ }
}
void wxTextCtrl::SetInsertionPoint( long pos )
}
else
{
- gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
-
- // Bring editable's cursor uptodate. Bug in GTK.
- SET_EDITABLE_POS(m_text, (guint32)pos);
+ // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2?
+ gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos));
}
}
}
else
{
- gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
+ gtk_editable_set_position( GTK_EDITABLE(m_text), -1 );
}
}
}
else
{
- gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
+ gtk_editable_set_editable( GTK_EDITABLE(m_text), editable );
}
}
// max text length support
// ----------------------------------------------------------------------------
-void wxTextCtrl::IgnoreNextTextUpdate()
-{
- m_ignoreNextUpdate = true;
-}
-
bool wxTextCtrl::IgnoreTextUpdate()
{
if ( m_ignoreNextUpdate )
return false;
}
+bool wxTextCtrl::MarkDirtyOnChange()
+{
+ if ( m_dontMarkDirty )
+ {
+ m_dontMarkDirty = false;
+
+ return false;
+ }
+
+ return true;
+}
+
void wxTextCtrl::SetMaxLength(unsigned long len)
{
if ( !HasFlag(wxTE_MULTILINE) )
// 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);
+ g_signal_connect (m_text, "insert_text",
+ G_CALLBACK (gtk_insert_text_callback), this);
}
else // no checking
{
- gtk_signal_disconnect_by_func
- (
- GTK_OBJECT(m_text),
- GTK_SIGNAL_FUNC(gtk_insert_text_callback),
- (gpointer)this
- );
+ g_signal_handlers_disconnect_by_func (m_text,
+ (gpointer) gtk_insert_text_callback, this);
}
}
}
if (from == -1 && to == -1)
{
from = 0;
- to = GetValue().Length();
+ to = GetValue().length();
}
if (m_windowStyle & wxTE_MULTILINE)
}
else
{
- return (long) GET_EDITABLE_POS(m_text);
+ return (long) gtk_editable_get_position(GTK_EDITABLE(m_text));
}
}
wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
if (m_windowStyle & wxTE_MULTILINE)
- g_signal_emit_by_name(m_text, "cut-clipboard");
+ g_signal_emit_by_name (m_text, "cut-clipboard");
else
- gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
+ gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
}
void wxTextCtrl::Copy()
wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
if (m_windowStyle & wxTE_MULTILINE)
- g_signal_emit_by_name(m_text, "copy-clipboard");
+ g_signal_emit_by_name (m_text, "copy-clipboard");
else
- gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
+ gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
}
void wxTextCtrl::Paste()
wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
if (m_windowStyle & wxTE_MULTILINE)
- g_signal_emit_by_name(m_text, "paste-clipboard");
+ g_signal_emit_by_name (m_text, "paste-clipboard");
else
- gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
+ gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
}
// Undo/redo
{
wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
- if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
+ if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER))
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
event.SetEventObject(this);
void wxTextCtrl::OnInternalIdle()
{
- wxCursor cursor = m_cursor;
- if (g_globalCursor.Ok()) cursor = g_globalCursor;
-
if (g_delayedFocus == this)
{
if (GTK_WIDGET_REALIZED(m_widget))
if ( !m_frozenness++ )
{
// freeze textview updates and remove buffer
- g_signal_connect( G_OBJECT(m_text), "expose_event",
- GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
- g_signal_connect( G_OBJECT(m_widget), "expose_event",
- GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
+ g_signal_connect (m_text, "expose_event",
+ G_CALLBACK (gtk_text_exposed_callback), this);
+ g_signal_connect (m_widget, "expose_event",
+ G_CALLBACK (gtk_text_exposed_callback), this);
gtk_widget_set_sensitive(m_widget, false);
g_object_ref(m_buffer);
gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL));
gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
g_object_unref(m_buffer);
gtk_widget_set_sensitive(m_widget, true);
- g_signal_handlers_disconnect_by_func(m_widget, (gpointer)gtk_text_exposed_callback, this);
- g_signal_handlers_disconnect_by_func(m_text, (gpointer)gtk_text_exposed_callback, this);
+ g_signal_handlers_disconnect_by_func (m_widget,
+ (gpointer) gtk_text_exposed_callback, this);
+ g_signal_handlers_disconnect_by_func (m_text,
+ (gpointer) gtk_text_exposed_callback, this);
}
}
}
GetEventHandler()->ProcessEvent(url_event);
}
-// ----------------------------------------------------------------------------
-// scrolling
-// ----------------------------------------------------------------------------
-
-GtkAdjustment *wxTextCtrl::GetVAdj() const
-{
- if ( !IsMultiLine() )
- return NULL;
-
- return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
-}
-
-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_adjustment_value_changed(GTK_ADJUSTMENT(adj));
-
- return true;
-}
-
-bool wxTextCtrl::ScrollLines(int lines)
-{
- GtkAdjustment *adj = GetVAdj();
- if ( !adj )
- return false;
-
- int diff = (int)ceil(lines*adj->step_increment);
-
- return DoScroll(adj, diff);
-}
-
-bool wxTextCtrl::ScrollPages(int pages)
-{
- GtkAdjustment *adj = GetVAdj();
- if ( !adj )
- return false;
-
- return DoScroll(adj, (int)ceil(pages*adj->page_increment));
-}
-
-
// static
wxVisualAttributes
wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
projects / wxWidgets.git / blobdiff