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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 "chrome/views/controls/button/native_button2.h"
#include "base/logging.h"
#include "chrome/common/l10n_util.h"
namespace views {
static int kButtonBorderHWidth = 8;
// static
const char NativeButton2::kViewClassName[] = "chrome/views/NativeButton";
////////////////////////////////////////////////////////////////////////////////
// NativeButton, public:
NativeButton2::NativeButton2(ButtonListener* listener)
: Button(listener),
native_wrapper_(NULL),
is_default_(false),
ignore_minimum_size_(false),
minimum_size_(50, 14) {
// The min size in DLUs comes from
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwue/html/ch14e.asp
InitBorder();
}
NativeButton2::NativeButton2(ButtonListener* listener,
const std::wstring& label)
: Button(listener),
native_wrapper_(NULL),
label_(label),
is_default_(false),
ignore_minimum_size_(false),
minimum_size_(50, 14) {
// The min size in DLUs comes from
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwue/html/ch14e.asp
InitBorder();
}
NativeButton2::~NativeButton2() {
}
void NativeButton2::SetLabel(const std::wstring& label) {
label_ = label;
// Even though we create a flipped HWND for a native button when the locale
// is right-to-left, Windows does not render text for the button using a
// right-to-left context (perhaps because the parent HWND is not flipped).
// The result is that RTL strings containing punctuation marks are not
// displayed properly. For example, the string "...ABC" (where A, B and C are
// Hebrew characters) is displayed as "ABC..." which is incorrect.
//
// In order to overcome this problem, we mark the localized Hebrew strings as
// RTL strings explicitly (using the appropriate Unicode formatting) so that
// Windows displays the text correctly regardless of the HWND hierarchy.
std::wstring localized_label;
if (l10n_util::AdjustStringForLocaleDirection(label_, &localized_label))
label_ = localized_label;
if (native_wrapper_)
native_wrapper_->UpdateLabel();
}
void NativeButton2::SetIsDefault(bool is_default) {
if (is_default == is_default_)
return;
is_default_ = is_default;
if (native_wrapper_)
native_wrapper_->UpdateDefault();
}
void NativeButton2::ButtonPressed() {
RequestFocus();
// TODO(beng): obtain mouse event flags for native buttons someday.
NotifyClick(mouse_event_flags());
}
////////////////////////////////////////////////////////////////////////////////
// NativeButton, View overrides:
gfx::Size NativeButton2::GetPreferredSize() {
gfx::Size sz = native_wrapper_->GetView()->GetPreferredSize();
// Add in the border size. (Do this before clamping the minimum size in case
// that clamping causes an increase in size that would include the borders.
gfx::Insets border = GetInsets();
sz.set_width(sz.width() + border.left() + border.right());
sz.set_height(sz.height() + border.top() + border.bottom());
// Clamp the size returned to at least the minimum size.
if (!ignore_minimum_size_) {
if (minimum_size_.width()) {
int min_width = font_.horizontal_dlus_to_pixels(minimum_size_.width());
sz.set_width(std::max(static_cast<int>(sz.width()), min_width));
}
if (minimum_size_.height()) {
int min_height = font_.vertical_dlus_to_pixels(minimum_size_.height());
sz.set_height(std::max(static_cast<int>(sz.height()), min_height));
}
}
return sz;
}
void NativeButton2::Layout() {
if (native_wrapper_) {
native_wrapper_->GetView()->SetBounds(0, 0, width(), height());
native_wrapper_->GetView()->Layout();
}
}
void NativeButton2::ViewHierarchyChanged(bool is_add, View* parent,
View* child) {
if (is_add && !native_wrapper_ && GetWidget()) {
CreateWrapper();
AddChildView(native_wrapper_->GetView());
}
}
std::string NativeButton2::GetClassName() const {
return kViewClassName;
}
bool NativeButton2::AcceleratorPressed(const Accelerator& accelerator) {
if (IsEnabled()) {
NotifyClick(mouse_event_flags());
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
// NativeButton, protected:
void NativeButton2::CreateWrapper() {
native_wrapper_ = NativeButtonWrapper::CreateNativeButtonWrapper(this);
native_wrapper_->UpdateLabel();
}
void NativeButton2::InitBorder() {
set_border(Border::CreateEmptyBorder(0, kButtonBorderHWidth, 0,
kButtonBorderHWidth));
}
} // namespace views
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