mirror of https://github.com/stella-emu/stella.git
added multi-line tooltip support
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parent
3690d83c7f
commit
3433a6f013
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@ -40,7 +40,7 @@ RomListWidget::RomListWidget(GuiObject* boss, const GUI::Font& lfont,
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_textcolorhi = kTextColor;
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_editMode = false;
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_dyCaret = 1;
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_dyText = -1; // fixes the vertical position of selected text
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_cols = w / _fontWidth;
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_rows = h / _lineHeight;
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@ -631,8 +631,8 @@ Common::Rect RomListWidget::getEditRect() const
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{
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const int yoffset = std::max(0, (_selectedItem - _currentPos) * _lineHeight);
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return Common::Rect(2 + _w - _bytesWidth, 1 + yoffset,
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_w, _lineHeight + yoffset);
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return Common::Rect(2 + _w - _bytesWidth, 1 + yoffset + 1,
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_w, _lineHeight + yoffset + 1);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@ -296,21 +296,39 @@ void FBSurface::frameRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h,
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void FBSurface::wrapString(const string& inStr, int pos, string& leftStr, string& rightStr) const
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void FBSurface::splitString(const GUI::Font& font, const string& s, int w,
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string& left, string& right) const
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{
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for(int i = pos; i > 0; --i)
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uInt32 pos;
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int w2 = 0;
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bool split = false;
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// SLOW algorithm to find the acceptable length. But it is good enough for now.
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for(pos = 0; pos < s.size(); ++pos)
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{
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if(isWhiteSpace(inStr[i]))
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int charWidth = font.getCharWidth(s[pos]);
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if(w2 + charWidth > w)
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{
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leftStr = inStr.substr(0, i);
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if(inStr[i] == ' ') // skip leading space after line break
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i++;
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rightStr = inStr.substr(i);
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return;
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split = true;
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break;
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}
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w2 += charWidth;
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}
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leftStr = inStr.substr(0, pos);
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rightStr = inStr.substr(pos);
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if(split)
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for(int i = pos; i > 0; --i)
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{
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if(isWhiteSpace(s[i]))
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{
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left = s.substr(0, i);
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if(s[i] == ' ') // skip leading space after line break
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i++;
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right = s.substr(i);
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return;
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}
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}
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left = s.substr(0, pos);
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right = s.substr(pos);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@ -340,21 +358,9 @@ int FBSurface::drawString(const GUI::Font& font, const string& s,
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while (font.getStringWidth(inStr) > w && h >= font.getFontHeight() * 2)
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{
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// String is too wide.
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uInt32 i;
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string leftStr, rightStr;
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int w2 = 0;
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// SLOW algorithm to find the acceptable length. But it is good enough for now.
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for(i = 0; i < inStr.size(); ++i)
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{
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int charWidth = font.getCharWidth(inStr[i]);
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if(w2 + charWidth > w)
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break;
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w2 += charWidth;
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//str += inStr[i];
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}
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wrapString(inStr, i, leftStr, rightStr);
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splitString(font, inStr, w, leftStr, rightStr);
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drawString(font, leftStr, x, y, w, color, align, deltax, false, shadowColor);
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h -= font.getFontHeight();
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y += font.getFontHeight();
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@ -247,6 +247,18 @@ class FBSurface
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ColorId color, TextAlign align = TextAlign::Left,
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int deltax = 0, bool useEllipsis = true, ColorId shadowColor = kNone);
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/**
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Splits a given string to a given width considering whitespaces.
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@param font The font to draw the string with
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@param s The string to split
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@param w The width of the string area
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@param left The left part of the split string
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@param right The right part of the split string
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*/
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void splitString(const GUI::Font& font, const string& s, int w,
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string& left, string& right) const;
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/**
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The rendering attributes that can be modified for this texture.
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These probably can only be implemented in child FBSurfaces where
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@ -383,9 +395,6 @@ class FBSurface
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*/
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bool checkBounds(const uInt32 x, const uInt32 y) const;
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void wrapString(const string& inStr, int pos,
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string& leftStr, string& rightStr) const;
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/**
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Check if the given character is a whitespace.
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@param s Character to check
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@ -379,8 +379,8 @@ void EditableWidget::drawCaretSelection()
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x += _x;
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y += _y;
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s.fillRect(x - 1, y + 1 + _dyCaret, w + 1, h - 3, kTextColorHi);
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s.drawString(_font, text, x, y + 1, w, h,
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s.fillRect(x - 1, y + 1, w + 1, h - 3, kTextColorHi);
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s.drawString(_font, text, x, y + 1 + _dyText, w, h,
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kTextColorInv, TextAlign::Left, 0, false);
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}
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@ -397,8 +397,8 @@ void EditableWidget::drawCaretSelection()
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x += _x;
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y += _y;
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s.vLine(x, y + 1 + _dyCaret, y + editRect.h() - 3, color);
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s.vLine(x - 1, y + 1 + _dyCaret, y + editRect.h() - 3, color);
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s.vLine(x, y + 1, y + editRect.h() - 3, color);
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s.vLine(x - 1, y + 1, y + editRect.h() - 3, color);
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clearDirty();
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}
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}
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@ -125,7 +125,7 @@ class EditableWidget : public Widget, public CommandSender
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protected:
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int _editScrollOffset{0};
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bool _editMode{true};
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int _dyCaret{0};
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int _dyText{0};
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private:
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TextFilter _filter;
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@ -27,7 +27,6 @@
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// TODOs:
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// - option to disable tips
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// - multi line tips
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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ToolTip::ToolTip(Dialog& dialog, const GUI::Font& font)
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@ -47,8 +46,8 @@ void ToolTip::setFont(const GUI::Font& font)
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myTextXOfs = fontHeight < 24 ? 5 : 8;
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myTextYOfs = fontHeight < 24 ? 2 : 3;
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myWidth = fontWidth * MAX_LEN + myTextXOfs * 2;
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myHeight = fontHeight + myTextYOfs * 2;
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myWidth = fontWidth * MAX_COLUMNS + myTextXOfs * 2;
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myHeight = fontHeight * MAX_ROWS + myTextYOfs * 2;
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mySurface = myDialog.instance().frameBuffer().allocateSurface(myWidth, myHeight);
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}
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@ -129,9 +128,30 @@ void ToolTip::show(const string& tip)
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{
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myTipPos = myMousePos;
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uInt32 maxWidth = std::min(myWidth - myTextXOfs * 2, uInt32(myFont->getStringWidth(tip)));
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mySurface->fillRect(1, 1, maxWidth + myTextXOfs * 2 - 2, myHeight - 2, kWidColor);
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int lines = std::min(MAX_ROWS,
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uInt32(mySurface->drawString(*myFont, tip, myTextXOfs, myTextYOfs,
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maxWidth, myHeight - myTextYOfs * 2,
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kTextColor)));
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// Calculate maximum width of drawn string lines
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uInt32 width = 0;
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string inStr = tip;
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for(int i = 0; i < lines; ++i)
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{
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string leftStr, rightStr;
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mySurface->splitString(*myFont, inStr, maxWidth, leftStr, rightStr);
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width = std::max(width, uInt32(myFont->getStringWidth(leftStr)));
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inStr = rightStr;
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}
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width += myTextXOfs * 2;
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// Calculate and set surface size and position
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const uInt32 height = std::min(myHeight, myFont->getFontHeight() * lines + myTextYOfs * 2);
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const uInt32 V_GAP = 1;
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const uInt32 H_CURSOR = 18;
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uInt32 width = std::min(myWidth, myFont->getStringWidth(tip) + myTextXOfs * 2);
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// Note: The rects include HiDPI scaling
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const Common::Rect imageRect = myDialog.instance().frameBuffer().imageRect();
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const Common::Rect dialogRect = myDialog.surface().dstRect();
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@ -139,24 +159,20 @@ void ToolTip::show(const string& tip)
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const Int32 xAbs = myTipPos.x + dialogRect.x() / myScale;
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const uInt32 yAbs = myTipPos.y + dialogRect.y() / myScale;
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Int32 x = std::min(xAbs, Int32(imageRect.w() / myScale - width));
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const uInt32 y = (yAbs + myHeight + H_CURSOR > imageRect.h() / myScale)
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? yAbs - myHeight - V_GAP
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const uInt32 y = (yAbs + height + H_CURSOR > imageRect.h() / myScale)
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? yAbs - height - V_GAP
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: yAbs + H_CURSOR / myScale + V_GAP;
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if(x < 0)
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{
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x = 0;
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width = imageRect.w() / myScale;
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width = std::min(width, imageRect.w() / myScale);
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}
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mySurface->setSrcSize(width, myHeight);
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mySurface->setDstSize(width * myScale, myHeight * myScale);
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mySurface->setSrcSize(width, height);
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mySurface->setDstSize(width * myScale, height * myScale);
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mySurface->setDstPos(x * myScale, y * myScale);
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mySurface->frameRect(0, 0, width, myHeight, kColor);
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mySurface->fillRect(1, 1, width - 2, myHeight - 2, kWidColor);
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mySurface->drawString(*myFont, tip, myTextXOfs, myTextYOfs,
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width - myTextXOfs * 2, myHeight - myTextYOfs * 2, kTextColor);
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mySurface->frameRect(0, 0, width, height, kColor);
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myTipShown = true;
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myDialog.instance().frameBuffer().setPendingRender();
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@ -33,9 +33,13 @@ class FBSurface;
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class ToolTip
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{
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private:
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static constexpr uInt32 MAX_COLUMNS = 60;
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static constexpr uInt32 MAX_ROWS = 5;
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public:
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// Maximum tooltip length
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static constexpr uInt32 MAX_LEN = 80;
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static constexpr uInt32 MAX_LEN = MAX_COLUMNS * MAX_ROWS;
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ToolTip(Dialog& dialog, const GUI::Font& font);
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~ToolTip() = default;
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