void
BRadioButton::Draw(BRect updateRect)
{
// its size depends on the text height
font_height fontHeight;
GetFontHeight(&fontHeight);
rgb_color base = ui_color(B_PANEL_BACKGROUND_COLOR);
uint32 flags = be_control_look->Flags(this);
if (fOutlined)
flags |= BControlLook::B_CLICKED;
BRect knobRect(_KnobFrame(fontHeight));
BRect rect(knobRect);
be_control_look->DrawRadioButton(this, rect, updateRect, base, flags);
BRect labelRect(Bounds());
labelRect.left = knobRect.right + 1
+ be_control_look->DefaultLabelSpacing();
const BBitmap* icon = IconBitmap(
B_INACTIVE_ICON_BITMAP | (IsEnabled() ? 0 : B_DISABLED_ICON_BITMAP));
be_control_look->DrawLabel(this, Label(), icon, labelRect, updateRect,
base, flags);
}
BRect
BRadioButton::_KnobFrame() const
{
font_height fontHeight;
GetFontHeight(&fontHeight);
return _KnobFrame(fontHeight);
}
void
BRadioButton::GetPreferredSize(float* _width, float* _height)
{
font_height fontHeight;
GetFontHeight(&fontHeight);
BRect rect(_KnobFrame(fontHeight));
float width = rect.right + rect.left;
float height = rect.bottom + rect.top;
const BBitmap* icon = IconBitmap(B_INACTIVE_ICON_BITMAP);
if (icon != NULL) {
width += be_control_look->DefaultLabelSpacing()
+ icon->Bounds().Width() + 1;
height = std::max(height, icon->Bounds().Height());
}
if (const char* label = Label()) {
width += be_control_look->DefaultLabelSpacing()
+ ceilf(StringWidth(label));
height = std::max(height,
ceilf(6.0f + fontHeight.ascent + fontHeight.descent));
}
if (_width != NULL)
*_width = width;
if (_height != NULL)
*_height = height;
}
void
BRadioButton::SetValue(int32 value)
{
if (value != Value()) {
BControl::SetValueNoUpdate(value);
Invalidate(_KnobFrame());
}
if (value == 0)
return;
BView* parent = Parent();
BView* child = NULL;
if (parent != NULL) {
// If the parent is a BBox, the group parent is the parent of the BBox
BBox* box = dynamic_cast<BBox*>(parent);
if (box != NULL && box->LabelView() == this)
parent = box->Parent();
if (parent != NULL) {
BBox* box = dynamic_cast<BBox*>(parent);
// If the parent is a BBox, skip the label if there is one
if (box != NULL && box->LabelView())
child = parent->ChildAt(1);
else
child = parent->ChildAt(0);
} else
child = Window()->ChildAt(0);
} else if (Window() != NULL)
child = Window()->ChildAt(0);
while (child != NULL) {
BRadioButton* radio = dynamic_cast<BRadioButton*>(child);
if (radio != NULL && (radio != this))
radio->SetValue(B_CONTROL_OFF);
else {
// If the child is a BBox, check if the label is a radiobutton
BBox* box = dynamic_cast<BBox*>(child);
if (box != NULL && box->LabelView()) {
radio = dynamic_cast<BRadioButton*>(box->LabelView());
if (radio != NULL && (radio != this))
radio->SetValue(B_CONTROL_OFF);
}
}
child = child->NextSibling();
}
ASSERT(Value() == B_CONTROL_ON);
}
void
BRadioButton::GetPreferredSize(float* _width, float* _height)
{
font_height fontHeight;
GetFontHeight(&fontHeight);
if (_width) {
BRect rect = _KnobFrame(fontHeight);
float width = rect.right + floorf(ceilf(fontHeight.ascent
+ fontHeight.descent) / 2.0);
if (Label())
width += StringWidth(Label());
*_width = ceilf(width);
}
if (_height)
*_height = ceilf(fontHeight.ascent + fontHeight.descent) + 6.0;
}
void
BRadioButton::Draw(BRect updateRect)
{
// its size depends on the text height
font_height fontHeight;
GetFontHeight(&fontHeight);
if (be_control_look != NULL) {
rgb_color base = ui_color(B_PANEL_BACKGROUND_COLOR);
uint32 flags = be_control_look->Flags(this);
if (fOutlined)
flags |= BControlLook::B_CLICKED;
BRect knobRect(_KnobFrame(fontHeight));
BRect rect(knobRect);
be_control_look->DrawRadioButton(this, rect, updateRect, base, flags);
BRect labelRect(Bounds());
labelRect.left = knobRect.right
+ be_control_look->DefaultLabelSpacing();
be_control_look->DrawLabel(this, Label(), labelRect, updateRect,
base, flags);
return;
}
float textHeight = ceilf(fontHeight.ascent + fontHeight.descent);
// layout the rect for the dot
BRect rect = _KnobFrame(fontHeight);
BPoint labelPos(rect.right + floorf(textHeight / 2.0),
floorf((rect.top + rect.bottom + textHeight) / 2.0
- fontHeight.descent + 0.5) + 1.0);
// if the focus is changing, just redraw the focus indicator
if (IsFocusChanging()) {
if (IsFocus())
SetHighColor(ui_color(B_KEYBOARD_NAVIGATION_COLOR));
else
SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
BPoint underLine = labelPos;
underLine.y += fontHeight.descent;
StrokeLine(underLine, underLine + BPoint(StringWidth(Label()), 0.0));
return;
}
// colors
rgb_color bg = ui_color(B_PANEL_BACKGROUND_COLOR);
rgb_color lightenmax;
rgb_color lighten1;
rgb_color darken1;
rgb_color darken2;
rgb_color darken3;
rgb_color darkenmax;
rgb_color naviColor = ui_color(B_KEYBOARD_NAVIGATION_COLOR);
rgb_color knob;
rgb_color knobDark;
rgb_color knobLight;
if (IsEnabled()) {
lightenmax = tint_color(bg, B_LIGHTEN_MAX_TINT);
lighten1 = tint_color(bg, B_LIGHTEN_1_TINT);
darken1 = tint_color(bg, B_DARKEN_1_TINT);
darken2 = tint_color(bg, B_DARKEN_2_TINT);
darken3 = tint_color(bg, B_DARKEN_3_TINT);
darkenmax = tint_color(bg, B_DARKEN_MAX_TINT);
knob = naviColor;
knobDark = tint_color(naviColor, B_DARKEN_3_TINT);
knobLight = tint_color(naviColor, 0.15);
} else {
lightenmax = tint_color(bg, B_LIGHTEN_2_TINT);
lighten1 = bg;
darken1 = bg;
darken2 = tint_color(bg, B_DARKEN_1_TINT);
darken3 = tint_color(bg, B_DARKEN_2_TINT);
darkenmax = tint_color(bg, B_DISABLED_LABEL_TINT);
knob = tint_color(naviColor, B_LIGHTEN_2_TINT);
knobDark = tint_color(naviColor, B_LIGHTEN_1_TINT);
knobLight = tint_color(naviColor, (B_LIGHTEN_2_TINT
+ B_LIGHTEN_MAX_TINT) / 2.0);
}
// dot
if (Value() == B_CONTROL_ON) {
// full
SetHighColor(knobDark);
FillEllipse(rect);
SetHighColor(knob);
FillEllipse(BRect(rect.left + 2, rect.top + 2, rect.right - 3,
rect.bottom - 3));
SetHighColor(knobLight);
FillEllipse(BRect(rect.left + 3, rect.top + 3, rect.right - 5,
rect.bottom - 5));
} else {
// empty
SetHighColor(lightenmax);
FillEllipse(rect);
}
rect.InsetBy(-1.0, -1.0);
// outer circle
if (fOutlined) {
// indicating "about to change value"
SetHighColor(darken3);
StrokeEllipse(rect);
} else {
SetHighColor(darken1);
StrokeArc(rect, 45.0, 180.0);
SetHighColor(lightenmax);
StrokeArc(rect, 45.0, -180.0);
}
rect.InsetBy(1, 1);
// inner circle
SetHighColor(darken3);
StrokeArc(rect, 45.0, 180.0);
SetHighColor(bg);
StrokeArc(rect, 45.0, -180.0);
// for faster font rendering, we can restore B_OP_COPY
SetDrawingMode(B_OP_COPY);
// label
SetHighColor(darkenmax);
DrawString(Label(), labelPos);
// underline label if focused
if (IsFocus()) {
SetHighColor(naviColor);
BPoint underLine = labelPos;
underLine.y += fontHeight.descent;
StrokeLine(underLine, underLine + BPoint(StringWidth(Label()), 0.0));
}
}
