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added support of transparent widgets (for TimeMachineDialog)

This commit is contained in:
thrust26 2020-11-10 23:29:56 +01:00
parent e7b7bfa3cd
commit 76b6855284
9 changed files with 61 additions and 16 deletions
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16
src/common/FBSurfaceSDL2.cxx
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@ -176,6 +176,22 @@ void FBSurfaceSDL2::invalidate()
SDL_FillRect(mySurface, nullptr, 0);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void FBSurfaceSDL2::invalidateRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h)
{
ASSERT_MAIN_THREAD;
// Clear the rectangle
SDL_Rect tmp;
tmp.x = x;
tmp.y = y;
tmp.w = w;
tmp.h = h;
// Note: Transparency has to be 0 to clear the rectangle foreground
// without affecting the background display.
SDL_FillRect(mySurface, &tmp, 0);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void FBSurfaceSDL2::free()
{

2
src/common/FBSurfaceSDL2.hxx
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@ -55,6 +55,8 @@ class FBSurfaceSDL2 : public FBSurface
void translateCoords(Int32& x, Int32& y) const override;
bool render() override;
void invalidate() override;
void invalidateRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h) override;
void free() override;
void reload() override;
void resize(uInt32 width, uInt32 height) override;

11
src/emucore/FBSurface.hxx
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@ -325,6 +325,17 @@ class FBSurface
*/
virtual void invalidate() = 0;
/**
This method should be called to reset a surface area to empty
@param x The x coordinate
@param y The y coordinate
@param w The width of the area
@param h The height of the area
*/
virtual void invalidateRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h) = 0;
/**
This method should be called to free any resources being used by
the surface.

6
src/gui/Dialog.cxx
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@ -404,7 +404,7 @@ void Dialog::drawDialog()
if(isDirty())
{
//cerr << "*** draw dialog " << typeid(*this).name() << " ***" << endl;
cerr << "*** draw dialog " << typeid(*this).name() << " ***" << endl;
// Dialog is still on top if e.g a ContextMenu is opened
_onTop = parent().myDialogStack.top() == this
@ -414,6 +414,10 @@ void Dialog::drawDialog()
if(_flags & Widget::FLAG_CLEARBG)
{
// cerr << "Dialog::drawDialog(): w = " << _w << ", h = " << _h << " @ " << &s << endl << endl;
if(_flags & Widget::FLAG_TRANSPARENT)
s.invalidateRect(_x, _y + _th, _w, _h - _th);
else
s.fillRect(_x, _y + _th, _w, _h - _th, _onTop ? kDlgColor : kBGColorLo);
if(_th)
{

2
src/gui/DialogContainer.cxx
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@ -91,7 +91,7 @@ void DialogContainer::updateTime(uInt64 time)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool DialogContainer::draw(bool full)
{
cerr << "draw " << full << endl;
//cerr << "draw " << full << endl;
if(myDialogStack.empty())
return false;

18
src/gui/TimeLineWidget.cxx
View File

@ -35,8 +35,11 @@ TimeLineWidget::TimeLineWidget(GuiObject* boss, const GUI::Font& font,
: ButtonWidget(boss, font, x, y, w, h, label, cmd),
_labelWidth(labelWidth)
{
_flags = Widget::FLAG_ENABLED | Widget::FLAG_TRACK_MOUSE;
_flags = Widget::FLAG_ENABLED | Widget::FLAG_TRACK_MOUSE
| Widget::FLAG_CLEARBG | Widget::FLAG_TRANSPARENT;
_bgcolor = kDlgColor;
//_bgcolor = kBGColor;
_bgcolorhi = kDlgColor;
if(!_label.empty() && _labelWidth == 0)
@ -84,7 +87,7 @@ void TimeLineWidget::setStepValues(const IntArray& steps)
if(steps.size() > _stepValue.capacity())
_stepValue.reserve(2 * steps.size());
double scale = (_w - _labelWidth - 2 - HANDLE_W*0) / double(steps.back());
double scale = (_w - _labelWidth - 2 - HANDLE_W) / double(steps.back());
// Skip the very last value; we take care of it outside the end of the loop
for(uInt32 i = 0; i < steps.size() - 1; ++i)
@ -92,7 +95,7 @@ void TimeLineWidget::setStepValues(const IntArray& steps)
// Due to integer <-> double conversion, the last value is sometimes
// slightly less than the maximum value; we assign it manually to fix this
_stepValue.push_back(_w - _labelWidth - 2 - HANDLE_W*0);
_stepValue.push_back(_w - _labelWidth - 2 - HANDLE_W);
}
else
_stepValue.push_back(0);
@ -141,17 +144,18 @@ void TimeLineWidget::drawWidget(bool hilite)
{
FBSurface& s = _boss->dialog().surface();
cerr << "TimeLineWidget::drawWidget " << typeid(s).name() << endl;
// Draw the label, if any
if(_labelWidth > 0)
s.drawString(_font, _label, _x, _y + 2, _labelWidth,
isEnabled() ? kTextColor : kColor, TextAlign::Left);
int p = valueToPos(_value),
x = _x + _labelWidth,
w = _w - _labelWidth;
// Frame the handle
const int HANDLE_W2 = (HANDLE_W + 1) / 2;
int p = valueToPos(_value),
x = _x + _labelWidth + HANDLE_W2,
w = _w - _labelWidth - HANDLE_W;
s.hLine(x + p - HANDLE_W2, _y + 0, x + p - HANDLE_W2 + HANDLE_W, kColorInfo);
s.vLine(x + p - HANDLE_W2, _y + 1, _y + _h - 2, kColorInfo);
s.hLine(x + p - HANDLE_W2 + 1, _y + _h - 1, x + p - HANDLE_W2 + 1 + HANDLE_W, kBGColor);

3
src/gui/TimeMachineDialog.cxx
View File

@ -225,6 +225,7 @@ TimeMachineDialog::TimeMachineDialog(OSystem& osystem, DialogContainer& parent,
// Add index info
myCurrentIdxWidget = new StaticTextWidget(this, font, xpos, ypos, "1000", TextAlign::Left, kBGColor);
myCurrentIdxWidget->setTextColor(kColorInfo);
myCurrentIdxWidget->setFlags(Widget::FLAG_CLEARBG | Widget::FLAG_TRANSPARENT);
myLastIdxWidget = new StaticTextWidget(this, font, _w - H_BORDER - font.getStringWidth("1000"), ypos,
"1000", TextAlign::Right, kBGColor);
myLastIdxWidget->setTextColor(kColorInfo);
@ -241,6 +242,7 @@ TimeMachineDialog::TimeMachineDialog(OSystem& osystem, DialogContainer& parent,
// Add time info
int ypos_s = ypos + (buttonHeight - font.getFontHeight() + 1) / 2; // align to button vertical center
myCurrentTimeWidget = new StaticTextWidget(this, font, xpos, ypos_s, "00:00.00", TextAlign::Left, kBGColor);
myCurrentTimeWidget->setFlags(Widget::FLAG_CLEARBG | Widget::FLAG_TRANSPARENT);
myCurrentTimeWidget->setTextColor(kColorInfo);
myLastTimeWidget = new StaticTextWidget(this, font, _w - H_BORDER - font.getStringWidth("00:00.00"), ypos_s,
"00:00.00", TextAlign::Right, kBGColor);
@ -287,6 +289,7 @@ TimeMachineDialog::TimeMachineDialog(OSystem& osystem, DialogContainer& parent,
// Add message
myMessageWidget = new StaticTextWidget(this, font, xpos, ypos_s,
" ", TextAlign::Left, kBGColor);
myMessageWidget->setFlags(Widget::FLAG_CLEARBG | Widget::FLAG_TRANSPARENT);
myMessageWidget->setTextColor(kColorInfo);
}

11
src/gui/Widget.cxx
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@ -65,9 +65,9 @@ void Widget::setDirty()
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool Widget::isDirty() const
{
string name = typeid(*this).name();
if(_dirty && name == "class TabWidget")
cerr << "is dirty " << typeid(*this).name() << endl;
//string name = typeid(*this).name();
//if(_dirty && name == "class TabWidget")
// cerr << "is dirty " << typeid(*this).name() << endl;
return _dirty;
}
@ -101,7 +101,7 @@ void Widget::draw()
if(isDirty())
{
//cerr << " *** draw widget " << typeid(*this).name() << " ***" << endl;
cerr << " *** draw widget " << typeid(*this).name() << " ***" << endl;
FBSurface& s = _boss->dialog().surface();
@ -122,6 +122,9 @@ void Widget::draw()
{
x++; y++; w -= 2; h -= 2;
}
if(isTransparent())
s.invalidateRect(x, y, w, h);
else
s.fillRect(x, y, w, h, !onTop ? _bgcolorlo : (_flags & Widget::FLAG_HILITED) && isEnabled() ? _bgcolorhi : _bgcolor);
}

4
src/gui/Widget.hxx
View File

@ -52,7 +52,8 @@ class Widget : public GuiObject
FLAG_TRACK_MOUSE = 1 << 5,
FLAG_RETAIN_FOCUS = 1 << 6,
FLAG_WANTS_TAB = 1 << 7,
FLAG_WANTS_RAWDATA = 1 << 8
FLAG_WANTS_RAWDATA = 1 << 8,
FLAG_TRANSPARENT = 1 << 9
};
public:
@ -105,6 +106,7 @@ class Widget : public GuiObject
virtual bool wantsFocus() const { return _flags & FLAG_RETAIN_FOCUS; }
bool wantsTab() const { return _flags & FLAG_WANTS_TAB; }
bool wantsRaw() const { return _flags & FLAG_WANTS_RAWDATA; }
bool isTransparent() const { return _flags & FLAG_TRANSPARENT; }
void setID(uInt32 id) { _id = id; }
uInt32 getID() const { return _id; }