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/*
* Copyright (C) 2007 Kevin Ollivier <kevino@theolliviers.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "RenderTheme.h"
#include "Document.h"
#include "FrameView.h"
#include "GraphicsContext.h"
#include "RenderView.h"
#include <wx/defs.h>
#include <wx/renderer.h>
#include <wx/dcclient.h>
#include <wx/scrolwin.h>
#include <wx/settings.h>
namespace WebCore {
class RenderThemeWx : public RenderTheme {
public:
RenderThemeWx() : RenderTheme() { }
// A method asking if the theme's controls actually care about redrawing when hovered.
virtual bool supportsHover(const RenderStyle*) const { return true; }
virtual bool paintCheckbox(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
{
return paintButton(o, i, r);
}
virtual void setCheckboxSize(RenderStyle*) const;
virtual bool paintRadio(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
{
return paintButton(o, i, r);
}
virtual void setRadioSize(RenderStyle*) const;
virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
virtual bool paintButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
virtual bool isControlStyled(const RenderStyle*, const BorderData&,
const BackgroundLayer&, const Color&) const;
virtual bool controlSupportsTints(const RenderObject*) const;
virtual void systemFont(int propId, FontDescription&) const;
virtual Color platformActiveSelectionBackgroundColor() const;
virtual Color platformInactiveSelectionBackgroundColor() const;
virtual Color platformActiveSelectionForegroundColor() const;
virtual Color platformInactiveSelectionForegroundColor() const;
private:
void addIntrinsicMargins(RenderStyle*) const;
void close();
bool supportsFocus(EAppearance) const;
};
RenderTheme* theme()
{
static RenderThemeWx rt;
return &rt;
}
bool RenderThemeWx::isControlStyled(const RenderStyle* style, const BorderData& border,
const BackgroundLayer& background, const Color& backgroundColor) const
{
if (style->appearance() == TextFieldAppearance || style->appearance() == TextAreaAppearance)
return style->border() != border;
return RenderTheme::isControlStyled(style, border, background, backgroundColor);
}
bool RenderThemeWx::controlSupportsTints(const RenderObject* o) const
{
if (!isEnabled(o))
return false;
// Checkboxes only have tint when checked.
if (o->style()->appearance() == CheckboxAppearance)
return isChecked(o);
// For now assume other controls have tint if enabled.
return true;
}
void RenderThemeWx::systemFont(int propId, FontDescription& fontDescription) const
{
// no-op
}
void RenderThemeWx::addIntrinsicMargins(RenderStyle* style) const
{
// Cut out the intrinsic margins completely if we end up using a small font size
if (style->fontSize() < 11)
return;
// Intrinsic margin value.
const int m = 2;
// FIXME: Using width/height alone and not also dealing with min-width/max-width is flawed.
if (style->width().isIntrinsicOrAuto()) {
if (style->marginLeft().quirk())
style->setMarginLeft(Length(m, Fixed));
if (style->marginRight().quirk())
style->setMarginRight(Length(m, Fixed));
}
if (style->height().isAuto()) {
if (style->marginTop().quirk())
style->setMarginTop(Length(m, Fixed));
if (style->marginBottom().quirk())
style->setMarginBottom(Length(m, Fixed));
}
}
void RenderThemeWx::setCheckboxSize(RenderStyle* style) const
{
// If the width and height are both specified, then we have nothing to do.
if (!style->width().isIntrinsicOrAuto() && !style->height().isAuto())
return;
// FIXME: A hard-coded size of 13 is used. This is wrong but necessary for now. It matches Firefox.
// At different DPI settings on Windows, querying the theme gives you a larger size that accounts for
// the higher DPI. Until our entire engine honors a DPI setting other than 96, we can't rely on the theme's
// metrics.
if (style->width().isIntrinsicOrAuto())
style->setWidth(Length(13, Fixed));
if (style->height().isAuto())
style->setHeight(Length(13, Fixed));
}
void RenderThemeWx::setRadioSize(RenderStyle* style) const
{
// This is the same as checkboxes.
setCheckboxSize(style);
}
bool RenderThemeWx::supportsFocus(EAppearance appearance) const
{
switch (appearance) {
case PushButtonAppearance:
case ButtonAppearance:
case TextFieldAppearance:
return true;
default: // No for all others...
return false;
}
}
void RenderThemeWx::adjustButtonStyle(CSSStyleSelector* selector, RenderStyle* style, Element* e) const
{
addIntrinsicMargins(style);
}
bool RenderThemeWx::paintButton(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
{
wxWindow* window = o->view()->frameView()->nativeWindow();
wxDC* dc = static_cast<wxDC*>(i.context->platformContext());
wxASSERT(dc->IsOk());
int flags = 0;
if (!isEnabled(o))
flags |= wxCONTROL_DISABLED;
EAppearance appearance = o->style()->appearance();
if (supportsFocus(o->style()->appearance()) && isFocused(o))
flags |= wxCONTROL_FOCUSED;
if (isPressed(o))
flags |= wxCONTROL_PRESSED;
if (appearance == PushButtonAppearance || appearance == ButtonAppearance)
wxRendererNative::Get().DrawPushButton(window, *dc, r, flags);
// TODO: add a radio button rendering API to wx
//else if(appearance == RadioAppearance)
else if(appearance == CheckboxAppearance) {
if (isChecked(o))
flags |= wxCONTROL_CHECKED;
wxRendererNative::Get().DrawCheckBox(window, *dc, r, flags);
}
return false;
}
void RenderThemeWx::adjustTextFieldStyle(CSSStyleSelector*, RenderStyle* style, Element*) const
{
}
bool RenderThemeWx::paintTextField(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
{
i.context->setStrokeThickness(1);
i.context->setStrokeColor(Color(0, 0, 0));
i.context->drawRect(r);
return false;
}
Color RenderThemeWx::platformActiveSelectionBackgroundColor() const
{
return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
}
Color RenderThemeWx::platformInactiveSelectionBackgroundColor() const
{
return wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
}
Color RenderThemeWx::platformActiveSelectionForegroundColor() const
{
// FIXME: Get wx to return the correct value for each platform.
#if __WXMAC__
return Color();
#else
return Color(255, 255, 255);
#endif
}
Color RenderThemeWx::platformInactiveSelectionForegroundColor() const
{
#if __WXMAC__
return Color();
#else
return Color(255, 255, 255);
#endif
}
}
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