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// Copyright (c) 2010 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/listbox/native_listbox_win.h"
#include <commctrl.h>
#include <windowsx.h>
#include "app/l10n_util.h"
#include "app/l10n_util_win.h"
#include "app/resource_bundle.h"
#include "base/logging.h"
#include "base/utf_string_conversions.h"
#include "base/win_util.h"
#include "gfx/font.h"
#include "views/controls/listbox/listbox.h"
#include "views/widget/widget.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// NativeListboxWin, public:
NativeListboxWin::NativeListboxWin(Listbox* listbox,
const std::vector<string16>& strings,
Listbox::Listener* listener)
: listbox_(listbox),
strings_(strings),
listener_(listener) {
// Associates the actual HWND with the listbox so the listbox is the one
// considered as having the focus (not the wrapper) when the HWND is
// focused directly (with a click for example).
set_focus_view(listbox);
}
NativeListboxWin::~NativeListboxWin() {
}
////////////////////////////////////////////////////////////////////////////////
// NativeListboxWin, NativeListboxWrapper implementation:
int NativeListboxWin::GetRowCount() const {
if (!native_view())
return 0;
return ListBox_GetCount(native_view());
}
int NativeListboxWin::SelectedRow() const {
if (!native_view())
return -1;
return ListBox_GetCurSel(native_view());
}
void NativeListboxWin::SelectRow(int row) {
if (!native_view())
return;
ListBox_SetCurSel(native_view(), row);
}
View* NativeListboxWin::GetView() {
return this;
}
////////////////////////////////////////////////////////////////////////////////
// NativeListboxWin, View overrides:
gfx::Size NativeListboxWin::GetPreferredSize() {
SIZE sz = {0};
SendMessage(native_view(), BCM_GETIDEALSIZE, 0,
reinterpret_cast<LPARAM>(&sz));
return gfx::Size(sz.cx, sz.cy);
}
////////////////////////////////////////////////////////////////////////////////
// NativeListboxWin, NativeControlWin overrides:
bool NativeListboxWin::ProcessMessage(UINT message, WPARAM w_param,
LPARAM l_param, LRESULT* result) {
if (message == WM_COMMAND) {
switch (HIWORD(w_param)) {
case LBN_SELCHANGE:
if (listener_)
listener_->ListboxSelectionChanged(listbox_);
return true;
default:
break;
}
}
return NativeControlWin::ProcessMessage(message, w_param, l_param, result);
}
////////////////////////////////////////////////////////////////////////////////
// NativeListboxWin, protected:
void NativeListboxWin::CreateNativeControl() {
int style = WS_CHILD | LBS_NOINTEGRALHEIGHT | LBS_NOTIFY;
// If there's only one column and the title string is empty, don't show a
// header.
HWND hwnd = ::CreateWindowEx(WS_EX_CLIENTEDGE | GetAdditionalRTLStyle(),
WC_LISTBOX,
L"",
style,
0, 0, width(), height(),
listbox_->GetWidget()->GetNativeView(),
NULL, NULL, NULL);
HFONT font = ResourceBundle::GetSharedInstance().
GetFont(ResourceBundle::BaseFont).hfont();
SendMessage(hwnd, WM_SETFONT, reinterpret_cast<WPARAM>(font), FALSE);
l10n_util::AdjustUIFontForWindow(hwnd);
for (size_t i = 0; i < strings_.size(); ++i)
ListBox_AddString(hwnd, UTF16ToWide(strings_[i]).c_str());
NativeControlCreated(hwnd);
// Bug 964884: detach the IME attached to this window.
// We should attach IMEs only when we need to input CJK strings.
::ImmAssociateContextEx(hwnd, NULL, 0);
}
////////////////////////////////////////////////////////////////////////////////
// NativeListboxWrapper, public:
// static
NativeListboxWrapper* NativeListboxWrapper::CreateNativeWrapper(
Listbox* listbox,
const std::vector<string16>& strings,
Listbox::Listener* listener) {
return new NativeListboxWin(listbox, strings, listener);
}
} // namespace views
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