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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <gtk/gtk.h>
#include "views/controls/textfield/native_textfield_gtk.h"
#include "base/gfx/gtk_util.h"
#include "base/string_util.h"
#include "skia/ext/skia_utils_gtk.h"
#include "views/controls/textfield/textfield.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// NativeTextfieldGtk, public:
NativeTextfieldGtk::NativeTextfieldGtk(Textfield* textfield)
: textfield_(textfield) {
if (textfield_->style() & Textfield::STYLE_MULTILINE)
NOTIMPLEMENTED(); // We don't support multiline yet.
}
NativeTextfieldGtk::~NativeTextfieldGtk() {
}
////////////////////////////////////////////////////////////////////////////////
// NativeTextfieldGtk, NativeTextfieldWrapper implementation:
string16 NativeTextfieldGtk::GetText() const {
return UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(native_view())));
}
void NativeTextfieldGtk::UpdateText() {
if (!native_view())
return;
gtk_entry_set_text(GTK_ENTRY(native_view()),
UTF16ToUTF8(textfield_->text()).c_str());
}
void NativeTextfieldGtk::AppendText(const string16& text) {
gint position = -1;
gtk_editable_insert_text(GTK_EDITABLE(native_view()),
UTF16ToUTF8(text).c_str(),
text.size(), &position);
if (!native_view())
return;
gtk_entry_append_text(GTK_ENTRY(native_view()), UTF16ToUTF8(text).c_str());
}
string16 NativeTextfieldGtk::GetSelectedText() const {
if (!native_view())
return string16();
string16 result;
gint start_pos;
gint end_pos;
if (!gtk_editable_get_selection_bounds(GTK_EDITABLE(native_view()),
&start_pos, &end_pos))
return result; // No selection.
UTF8ToUTF16(gtk_editable_get_chars(GTK_EDITABLE(native_view()),
start_pos, end_pos),
end_pos - start_pos, &result);
return result;
}
void NativeTextfieldGtk::SelectAll() {
if (!native_view())
return;
// -1 as the end position selects to the end of the text.
gtk_editable_select_region(GTK_EDITABLE(native_view()), 0, -1);
}
void NativeTextfieldGtk::ClearSelection() {
if (!native_view())
return;
gtk_editable_select_region(GTK_EDITABLE(native_view()), 0, 0);
}
void NativeTextfieldGtk::UpdateBorder() {
if (!native_view())
return;
}
void NativeTextfieldGtk::UpdateBackgroundColor() {
if (textfield_->use_default_background_color()) {
// Passing NULL as the color undoes the effect of previous calls to
// gtk_widget_modify_base.
gtk_widget_modify_base(native_view(), GTK_STATE_NORMAL, NULL);
return;
}
GdkColor gdk_color = skia::SkColorToGdkColor(textfield_->background_color());
gtk_widget_modify_base(native_view(), GTK_STATE_NORMAL, &gdk_color);
}
void NativeTextfieldGtk::UpdateReadOnly() {
if (!native_view())
return;
gtk_editable_set_editable(GTK_EDITABLE(native_view()),
!textfield_->read_only());
}
void NativeTextfieldGtk::UpdateFont() {
if (!native_view())
return;
gtk_widget_modify_font(native_view(),
gfx::Font::PangoFontFromGfxFont(textfield_->font()));
}
void NativeTextfieldGtk::UpdateEnabled() {
if (!native_view())
return;
SetEnabled(textfield_->IsEnabled());
}
void NativeTextfieldGtk::SetHorizontalMargins(int left, int right) {
if (!native_view())
return;
GtkBorder border = { left, right, 0, 0 };
gtk_entry_set_inner_border(GTK_ENTRY(native_view()), &border);
}
void NativeTextfieldGtk::SetFocus() {
Focus();
}
View* NativeTextfieldGtk::GetView() {
return this;
}
gfx::NativeView NativeTextfieldGtk::GetTestingHandle() const {
return native_view();
}
// static
gboolean NativeTextfieldGtk::OnKeyPressEventHandler(
GtkWidget* entry,
GdkEventKey* event,
NativeTextfieldGtk* textfield) {
return textfield->OnKeyPressEvent(event);
}
gboolean NativeTextfieldGtk::OnKeyPressEvent(GdkEventKey* event) {
Textfield::Controller* controller = textfield_->GetController();
if (controller) {
Textfield::Keystroke ks(event);
return controller->HandleKeystroke(textfield_, ks);
}
return false;
}
// static
gboolean NativeTextfieldGtk::OnChangedHandler(
GtkWidget* entry,
NativeTextfieldGtk* textfield) {
return textfield->OnChanged();
}
gboolean NativeTextfieldGtk::OnChanged() {
Textfield::Controller* controller = textfield_->GetController();
if (controller)
controller->ContentsChanged(textfield_, GetText());
return false;
}
////////////////////////////////////////////////////////////////////////////////
// NativeTextfieldGtk, NativeControlGtk overrides:
void NativeTextfieldGtk::CreateNativeControl() {
NativeControlCreated(gtk_entry_new());
}
void NativeTextfieldGtk::NativeControlCreated(GtkWidget* widget) {
NativeControlGtk::NativeControlCreated(widget);
g_signal_connect(widget, "changed",
G_CALLBACK(OnChangedHandler), this);
g_signal_connect(widget, "key-press-event",
G_CALLBACK(OnKeyPressEventHandler), this);
}
////////////////////////////////////////////////////////////////////////////////
// NativeTextfieldWrapper, public:
// static
NativeTextfieldWrapper* NativeTextfieldWrapper::CreateWrapper(
Textfield* field) {
return new NativeTextfieldGtk(field);
}
} // namespace views
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