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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 "views/controls/tabbed_pane/native_tabbed_pane_gtk.h"
#include <gtk/gtk.h>
#include "app/gfx/canvas.h"
#include "app/gfx/font.h"
#include "app/resource_bundle.h"
#include "base/logging.h"
#include "base/stl_util-inl.h"
#include "base/string_util.h"
#include "skia/ext/skia_utils_gtk.h"
#include "views/background.h"
#include "views/controls/tabbed_pane/tabbed_pane.h"
#include "views/fill_layout.h"
#include "views/widget/root_view.h"
#include "views/widget/widget_gtk.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// NativeTabbedPaneGtk, public:
NativeTabbedPaneGtk::NativeTabbedPaneGtk(TabbedPane* tabbed_pane)
: NativeControlGtk(),
tabbed_pane_(tabbed_pane) {
set_focus_view(tabbed_pane);
}
NativeTabbedPaneGtk::~NativeTabbedPaneGtk() {
}
////////////////////////////////////////////////////////////////////////////////
// NativeTabbedPaneGtk, NativeTabbedPaneWrapper implementation:
void NativeTabbedPaneGtk::AddTab(const std::wstring& title, View* contents) {
AddTabAtIndex(GetTabCount(), title, contents, true);
}
void NativeTabbedPaneGtk::AddTabAtIndex(int index, const std::wstring& title,
View* contents,
bool select_if_first_tab) {
DCHECK(native_view());
DoAddTabAtIndex(index, title, contents, select_if_first_tab);
}
View* NativeTabbedPaneGtk::RemoveTabAtIndex(int index) {
int tab_count = GetTabCount();
DCHECK(index >= 0 && index < tab_count);
if (index < (tab_count - 1)) {
// Select the next tab.
SelectTabAt(index + 1);
} else {
// We are the last tab, select the previous one.
if (index > 0) {
SelectTabAt(index - 1);
} else {
// last tab. nothing to select.
}
}
GtkWidget* page =
gtk_notebook_get_nth_page(GTK_NOTEBOOK(native_view()), index);
WidgetGtk* widget = WidgetGtk::GetViewForNative(page);
// detach the content view from widget so that we can delete widget
// without destroying the content view.
View* removed_tab = GetTabViewAt(index);
widget->GetRootView()->RemoveChildView(removed_tab);
// widget delete itself when native_view is deleted.
gtk_notebook_remove_page(GTK_NOTEBOOK(native_view()), index);
return removed_tab;
}
void NativeTabbedPaneGtk::SelectTabAt(int index) {
DCHECK((index >= 0) && (index < GetTabCount()));
gtk_notebook_set_current_page(GTK_NOTEBOOK(native_view()), index);
}
int NativeTabbedPaneGtk::GetTabCount() {
return gtk_notebook_get_n_pages(GTK_NOTEBOOK(native_view()));
}
int NativeTabbedPaneGtk::GetSelectedTabIndex() {
return gtk_notebook_get_current_page(GTK_NOTEBOOK(native_view()));
}
View* NativeTabbedPaneGtk::GetSelectedTab() {
return GetTabViewAt(GetSelectedTabIndex());
}
View* NativeTabbedPaneGtk::GetView() {
return this;
}
void NativeTabbedPaneGtk::SetFocus() {
Focus();
}
gfx::NativeView NativeTabbedPaneGtk::GetTestingHandle() const {
return native_view();
}
////////////////////////////////////////////////////////////////////////////////
// NativeTabbedPaneGtk, NativeControlGtk override:
void NativeTabbedPaneGtk::CreateNativeControl() {
GtkWidget* widget = gtk_notebook_new();
gtk_notebook_set_tab_pos(GTK_NOTEBOOK(widget), GTK_POS_TOP);
g_signal_connect(G_OBJECT(widget), "switch-page",
G_CALLBACK(CallSwitchPage), this);
NativeControlCreated(widget);
}
////////////////////////////////////////////////////////////////////////////////
// NativeTabbedPaneGtk, private:
void NativeTabbedPaneGtk::DoAddTabAtIndex(int index, const std::wstring& title,
View* contents,
bool select_if_first_tab) {
int tab_count = GetTabCount();
DCHECK(index <= tab_count);
WidgetGtk* page_container = new WidgetGtk(WidgetGtk::TYPE_CHILD);
page_container->Init(NULL, gfx::Rect());
page_container->SetContentsView(contents);
page_container->Show();
if (!contents->background()) {
GtkStyle* window_style =
gtk_widget_get_style(page_container->GetNativeView());
contents->set_background(
Background::CreateSolidBackground(
skia::GdkColorToSkColor(window_style->bg[GTK_STATE_NORMAL])));
}
GtkWidget* page = page_container->GetNativeView();
// increment ref count not to delete on remove below
g_object_ref(page);
// detach parent from the page so that we can add it to notebook
GtkWidget* parent = gtk_widget_get_parent(page);
gtk_container_remove(GTK_CONTAINER(parent), page);
GtkWidget* label = gtk_label_new(WideToUTF8(title).c_str());
gtk_widget_show(label);
gtk_notebook_insert_page(GTK_NOTEBOOK(native_view()),
page,
label,
index);
g_object_unref(page);
if (tab_count == 0 && select_if_first_tab)
gtk_notebook_set_current_page(GTK_NOTEBOOK(native_view()), 0);
}
View* NativeTabbedPaneGtk::GetTabViewAt(int index) {
DCHECK(index <= GetTabCount());
GtkWidget* page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(native_view()),
index);
WidgetGtk* widget = WidgetGtk::GetViewForNative(page);
DCHECK(widget && widget->GetRootView()->GetChildViewCount() == 1);
return widget->GetRootView()->GetChildViewAt(0);
}
void NativeTabbedPaneGtk::OnSwitchPage(int selected_tab_index) {
TabbedPane::Listener* listener = tabbed_pane_->listener();
if (listener != NULL)
listener->TabSelectedAt(selected_tab_index);
}
// static
void NativeTabbedPaneGtk::CallSwitchPage(GtkNotebook* widget,
GtkNotebookPage* page,
guint selected_tab_index,
NativeTabbedPaneGtk* tabbed_pane) {
tabbed_pane->OnSwitchPage(selected_tab_index);
}
////////////////////////////////////////////////////////////////////////////////
// NativeTabbedPaneWrapper, public:
// static
NativeTabbedPaneWrapper* NativeTabbedPaneWrapper::CreateNativeWrapper(
TabbedPane* tabbed_pane) {
return new NativeTabbedPaneGtk(tabbed_pane);
}
} // namespace views
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