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stella
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added to allocate tooltip surface on demand only

This commit is contained in:
thrust26 2021-01-13 08:26:34 +01:00
parent a95d40c682
commit 0fa0a339e6
2 changed files with 30 additions and 11 deletions
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34
src/gui/ToolTip.cxx
View File

@ -38,15 +38,29 @@ ToolTip::ToolTip(Dialog& dialog, const GUI::Font& font)
void ToolTip::setFont(const GUI::Font& font)
{
myFont = &font;
const int fontWidth = font.getMaxCharWidth(),
fontHeight = font.getFontHeight();
const int fontWidth = myFont->getMaxCharWidth(),
fontHeight = myFont->getFontHeight();
myTextXOfs = fontHeight < 24 ? 5 : 8;
myTextYOfs = fontHeight < 24 ? 2 : 3;
myWidth = fontWidth * MAX_COLUMNS + myTextXOfs * 2;
myHeight = fontHeight * MAX_ROWS + myTextYOfs * 2;
if(mySurface != nullptr)
{
// TODO: unallocate
mySurface = nullptr;
}
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
shared_ptr<FBSurface> ToolTip::surface()
{
if(mySurface == nullptr)
mySurface = myDialog.instance().frameBuffer().allocateSurface(myWidth, myHeight);
return mySurface;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -127,9 +141,9 @@ void ToolTip::show(const string& tip)
uInt32 maxWidth = std::min(myWidth - myTextXOfs * 2, uInt32(myFont->getStringWidth(tip)));
mySurface->fillRect(1, 1, maxWidth + myTextXOfs * 2 - 2, myHeight - 2, kWidColor);
surface()->fillRect(1, 1, maxWidth + myTextXOfs * 2 - 2, myHeight - 2, kWidColor);
int lines = std::min(MAX_ROWS,
uInt32(mySurface->drawString(*myFont, tip, myTextXOfs, myTextYOfs,
uInt32(surface()->drawString(*myFont, tip, myTextXOfs, myTextYOfs,
maxWidth, myHeight - myTextYOfs * 2,
kTextColor)));
// Calculate maximum width of drawn string lines
@ -139,7 +153,7 @@ void ToolTip::show(const string& tip)
{
string leftStr, rightStr;
mySurface->splitString(*myFont, inStr, maxWidth, leftStr, rightStr);
surface()->splitString(*myFont, inStr, maxWidth, leftStr, rightStr);
width = std::max(width, uInt32(myFont->getStringWidth(leftStr)));
inStr = rightStr;
}
@ -166,10 +180,10 @@ void ToolTip::show(const string& tip)
width = std::min(width, imageRect.w() / myScale);
}
mySurface->setSrcSize(width, height);
mySurface->setDstSize(width * myScale, height * myScale);
mySurface->setDstPos(x * myScale, y * myScale);
mySurface->frameRect(0, 0, width, height, kColor);
surface()->setSrcSize(width, height);
surface()->setDstSize(width * myScale, height * myScale);
surface()->setDstPos(x * myScale, y * myScale);
surface()->frameRect(0, 0, width, height, kColor);
myTipShown = true;
myDialog.instance().frameBuffer().setPendingRender();
@ -179,5 +193,5 @@ void ToolTip::show(const string& tip)
void ToolTip::render()
{
if(myTipShown)
mySurface->render();
surface()->render();
}

5
src/gui/ToolTip.hxx
View File

@ -73,6 +73,11 @@ class ToolTip
void render();
private:
/**
Allocate surface if required and return it
*/
shared_ptr<FBSurface> surface();
void show(const string& tip);
private: