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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/button/native_button_win.h"
#include <commctrl.h>
#include "base/logging.h"
#include "views/controls/button/checkbox.h"
#include "views/controls/button/native_button.h"
#include "views/controls/button/radio_button.h"
#include "views/widget/widget.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// NativeButtonWin, public:
NativeButtonWin::NativeButtonWin(NativeButton* native_button)
: NativeControlWin(),
native_button_(native_button) {
// Associates the actual HWND with the native_button so the native_button is
// the one considered as having the focus (not the wrapper) when the HWND is
// focused directly (with a click for example).
SetAssociatedFocusView(native_button);
}
NativeButtonWin::~NativeButtonWin() {
}
////////////////////////////////////////////////////////////////////////////////
// NativeButtonWin, NativeButtonWrapper implementation:
void NativeButtonWin::UpdateLabel() {
SetWindowText(GetHWND(), native_button_->label().c_str());
}
void NativeButtonWin::UpdateFont() {
SendMessage(GetHWND(), WM_SETFONT,
reinterpret_cast<WPARAM>(native_button_->font().hfont()),
FALSE);
}
void NativeButtonWin::UpdateEnabled() {
SetEnabled(native_button_->IsEnabled());
}
void NativeButtonWin::UpdateDefault() {
if (!IsCheckbox()) {
SendMessage(GetHWND(), BM_SETSTYLE,
native_button_->is_default() ? BS_DEFPUSHBUTTON : BS_PUSHBUTTON,
true);
}
}
View* NativeButtonWin::GetView() {
return this;
}
void NativeButtonWin::SetFocus() {
// Focus the associated HWND.
Focus();
}
////////////////////////////////////////////////////////////////////////////////
// NativeButtonWin, View overrides:
gfx::Size NativeButtonWin::GetPreferredSize() {
SIZE sz = {0};
SendMessage(GetHWND(), BCM_GETIDEALSIZE, 0, reinterpret_cast<LPARAM>(&sz));
return gfx::Size(sz.cx, sz.cy);
}
////////////////////////////////////////////////////////////////////////////////
// NativeButtonWin, NativeControlWin overrides:
bool NativeButtonWin::ProcessMessage(UINT message, WPARAM w_param,
LPARAM l_param, LRESULT* result) {
if (message == WM_COMMAND && HIWORD(w_param) == BN_CLICKED) {
native_button_->ButtonPressed();
*result = 0;
return true;
}
return NativeControlWin::ProcessMessage(message, w_param, l_param, result);
}
bool NativeButtonWin::OnKeyDown(int vkey) {
bool enter_pressed = vkey == VK_RETURN;
if (enter_pressed)
native_button_->ButtonPressed();
return enter_pressed;
}
bool NativeButtonWin::NotifyOnKeyDown() const {
return true;
}
void NativeButtonWin::CreateNativeControl() {
DWORD flags = WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | BS_PUSHBUTTON;
if (native_button_->is_default())
flags |= BS_DEFPUSHBUTTON;
HWND control_hwnd = CreateWindowEx(GetAdditionalExStyle(), L"BUTTON", L"",
flags, 0, 0, width(), height(),
GetWidget()->GetNativeView(), NULL, NULL,
NULL);
NativeControlCreated(control_hwnd);
}
void NativeButtonWin::NativeControlCreated(HWND control_hwnd) {
NativeControlWin::NativeControlCreated(control_hwnd);
UpdateFont();
UpdateLabel();
UpdateDefault();
}
// We could obtain this from the theme, but that only works if themes are
// active.
static const int kCheckboxSize = 13; // pixels
////////////////////////////////////////////////////////////////////////////////
// NativeCheckboxWin, public:
NativeCheckboxWin::NativeCheckboxWin(Checkbox* checkbox)
: NativeButtonWin(checkbox),
checkbox_(checkbox) {
}
NativeCheckboxWin::~NativeCheckboxWin() {
}
////////////////////////////////////////////////////////////////////////////////
// NativeCheckboxWin, View overrides:
gfx::Size NativeCheckboxWin::GetPreferredSize() {
return gfx::Size(kCheckboxSize, kCheckboxSize);
}
////////////////////////////////////////////////////////////////////////////////
// NativeCheckboxWin, NativeButtonWrapper implementation:
void NativeCheckboxWin::UpdateChecked() {
SendMessage(GetHWND(), BM_SETCHECK,
checkbox_->checked() ? BST_CHECKED : BST_UNCHECKED, 0);
}
void NativeCheckboxWin::SetPushed(bool pushed) {
SendMessage(GetHWND(), BM_SETSTATE, pushed, 0);
}
bool NativeCheckboxWin::OnKeyDown(int vkey) {
// Override the NativeButtonWin behavior which triggers the button on enter
// key presses when focused.
return false;
}
////////////////////////////////////////////////////////////////////////////////
// NativeCheckboxWin, NativeButtonWin overrides:
bool NativeCheckboxWin::ProcessMessage(UINT message, WPARAM w_param,
LPARAM l_param, LRESULT* result) {
if (message == WM_COMMAND && HIWORD(w_param) == BN_CLICKED) {
if (!IsRadioButton() || !checkbox_->checked())
checkbox_->SetChecked(!checkbox_->checked());
// Fall through to the NativeButtonWin's handler, which will send the
// clicked notification to the listener...
}
return NativeButtonWin::ProcessMessage(message, w_param, l_param, result);
}
////////////////////////////////////////////////////////////////////////////////
// NativeCheckboxWin, protected:
void NativeCheckboxWin::CreateNativeControl() {
HWND control_hwnd = CreateWindowEx(
WS_EX_TRANSPARENT | GetAdditionalExStyle(), L"BUTTON", L"",
WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | BS_CHECKBOX,
0, 0, width(), height(), GetWidget()->GetNativeView(), NULL, NULL, NULL);
NativeControlCreated(control_hwnd);
}
void NativeCheckboxWin::NativeControlCreated(HWND control_hwnd) {
NativeButtonWin::NativeControlCreated(control_hwnd);
UpdateChecked();
}
////////////////////////////////////////////////////////////////////////////////
// NativeRadioButtonWin, public:
NativeRadioButtonWin::NativeRadioButtonWin(RadioButton* radio_button)
: NativeCheckboxWin(radio_button) {
}
NativeRadioButtonWin::~NativeRadioButtonWin() {
}
////////////////////////////////////////////////////////////////////////////////
// NativeRadioButtonWin, NativeCheckboxWin overrides:
void NativeRadioButtonWin::CreateNativeControl() {
HWND control_hwnd = CreateWindowEx(
GetAdditionalExStyle(), L"BUTTON",
L"", WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | BS_RADIOBUTTON,
0, 0, width(), height(), GetWidget()->GetNativeView(), NULL, NULL, NULL);
NativeControlCreated(control_hwnd);
}
////////////////////////////////////////////////////////////////////////////////
// NativeButtonWrapper, public:
// static
int NativeButtonWrapper::GetFixedWidth() {
return kCheckboxSize;
}
// static
NativeButtonWrapper* NativeButtonWrapper::CreateNativeButtonWrapper(
NativeButton* native_button) {
return new NativeButtonWin(native_button);
}
// static
NativeButtonWrapper* NativeButtonWrapper::CreateCheckboxWrapper(
Checkbox* checkbox) {
return new NativeCheckboxWin(checkbox);
}
// static
NativeButtonWrapper* NativeButtonWrapper::CreateRadioButtonWrapper(
RadioButton* radio_button) {
return new NativeRadioButtonWin(radio_button);
}
} // namespace views
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