diff options
Diffstat (limited to 'src/interface/Label.cpp')
| -rw-r--r-- | src/interface/Label.cpp | 188 |
1 files changed, 165 insertions, 23 deletions
diff --git a/src/interface/Label.cpp b/src/interface/Label.cpp index ceb5a4e..755e3ce 100644 --- a/src/interface/Label.cpp +++ b/src/interface/Label.cpp @@ -5,57 +5,199 @@ using namespace ui; -/*Label::Label(Window* parent_state, std::string labelText): - Component(parent_state), - text(labelText), - textPosition(ui::Point(0, 0)), - textVAlign(AlignMiddle), - textHAlign(AlignCentre) -{ - TextPosition(); -}*/ - Label::Label(Point position, Point size, std::string labelText): Component(position, size), text(labelText), - textColour(255, 255, 255) + textColour(255, 255, 255), + selectionIndex0(-1), + selectionIndex1(-1), + selectionXL(-1), + selectionXH(-1), + multiline(false), + selecting(false), + autoHeight(size.Y==-1?true:false), + caret(-1) { } -/*Label::Label(std::string labelText): - Component(), - text(labelText), - textPosition(ui::Point(0, 0)), - textVAlign(AlignMiddle), - textHAlign(AlignCentre) -{ - TextPosition(); -}*/ - Label::~Label() { } +void Label::SetMultiline(bool status) +{ + multiline = status; + if(status) + { + updateMultiline(); + updateSelection(); + } +} + void Label::SetText(std::string text) { this->text = text; + if(multiline) + { + updateMultiline(); + updateSelection(); + } TextPosition(text); } +void Label::updateMultiline() +{ + char * rawText = new char[text.length()+1]; + std::copy(text.begin(), text.end(), rawText); + rawText[text.length()] = 0; + + int lines = 1; + int currentWidth = 0; + char * lastSpace = NULL; + char * currentWord = rawText; + char * nextSpace; + while(true) + { + nextSpace = strchr(currentWord+1, ' '); + if(nextSpace) + nextSpace[0] = 0; + int width = Graphics::textwidth(currentWord); + if(width+currentWidth > Size.X-6) + { + currentWidth = width; + currentWord[0] = '\n'; + lines++; + } + else + currentWidth += width; + if(nextSpace) + nextSpace[0] = ' '; + if(!(currentWord = strchr(currentWord+1, ' '))) + break; + } + if(autoHeight) + { + Size.Y = lines*12; + } + textLines = std::string(rawText); + delete[] rawText; +} + std::string Label::GetText() { return this->text; } +void Label::OnMouseClick(int x, int y, unsigned button) +{ + if(x > textPosition.X && x < textPosition.X + textSize.X && y > textPosition.Y && y < textPosition.Y + textSize.Y) + { + selecting = true; + if(multiline) + selectionIndex0 = Graphics::CharIndexAtPosition((char*)textLines.c_str(), x-textPosition.X, y-textPosition.Y); + else + selectionIndex0 = Graphics::CharIndexAtPosition((char*)text.c_str(), x-textPosition.X, y-textPosition.Y); + selectionIndex1 = selectionIndex0; + + updateSelection(); + } +} + +void Label::OnMouseUp(int x, int y, unsigned button) +{ + selecting = false; +} + +void Label::OnMouseMoved(int localx, int localy, int dx, int dy) +{ + if(selecting) + { + if(multiline) + selectionIndex1 = Graphics::CharIndexAtPosition((char*)textLines.c_str(), localx-textPosition.X, localy-textPosition.Y); + else + selectionIndex1 = Graphics::CharIndexAtPosition((char*)text.c_str(), localx-textPosition.X, localy-textPosition.Y); + updateSelection(); + } +} + +void Label::updateSelection() +{ + std::string currentText; + if(multiline) + currentText = textLines; + else + currentText = text; + if(selectionIndex1 > selectionIndex0) { + selectionLineH = Graphics::PositionAtCharIndex((char*)currentText.c_str(), selectionIndex1, selectionXH, selectionYH); + selectionLineL = Graphics::PositionAtCharIndex((char*)currentText.c_str(), selectionIndex0, selectionXL, selectionYL); + + textFragments = std::string(currentText); + textFragments.insert(selectionIndex1, "\x0E"); + textFragments.insert(selectionIndex0, "\x0F\x01\x01\x01"); + } else if(selectionIndex0 > selectionIndex1) { + selectionLineH = Graphics::PositionAtCharIndex((char*)currentText.c_str(), selectionIndex0, selectionXH, selectionYH); + selectionLineL = Graphics::PositionAtCharIndex((char*)currentText.c_str(), selectionIndex1, selectionXL, selectionYL); + + textFragments = std::string(currentText); + textFragments.insert(selectionIndex0, "\x0E"); + textFragments.insert(selectionIndex1, "\x0F\x01\x01\x01"); + } else { + selectionXH = -1; + selectionXL = -1; + + textFragments = std::string(currentText); + } +} + void Label::Draw(const Point& screenPos) { if(!drawn) { - TextPosition(text); + if(multiline) + { + TextPosition(textLines); + updateMultiline(); + updateSelection(); + } + else + TextPosition(text); drawn = true; } Graphics * g = Engine::Ref().g; - g->drawtext(screenPos.X+textPosition.X, screenPos.Y+textPosition.Y, text, textColour.Red, textColour.Green, textColour.Blue, 255); + + if(multiline) + { + if(selectionXL != -1 && selectionXH != -1) + { + if(selectionLineH - selectionLineL > 0) + { + g->fillrect(screenPos.X+textPosition.X+selectionXL, (screenPos.Y+textPosition.Y-1)+selectionYL, textSize.X-(selectionXL), 10, 255, 255, 255, 255); + for(int i = 1; i < selectionLineH-selectionLineL; i++) + { + g->fillrect(screenPos.X+textPosition.X, (screenPos.Y+textPosition.Y-1)+selectionYL+(i*12), textSize.X, 10, 255, 255, 255, 255); + } + g->fillrect(screenPos.X+textPosition.X, (screenPos.Y+textPosition.Y-1)+selectionYH, selectionXH, 10, 255, 255, 255, 255); + + } else { + g->fillrect(screenPos.X+textPosition.X+selectionXL, screenPos.Y+selectionYL+textPosition.Y-1, selectionXH-(selectionXL), 10, 255, 255, 255, 255); + } + g->drawtext(screenPos.X+textPosition.X, screenPos.Y+textPosition.Y, textFragments, textColour.Red, textColour.Green, textColour.Blue, 255); + } + else + { + g->drawtext(screenPos.X+textPosition.X, screenPos.Y+textPosition.Y, textLines, textColour.Red, textColour.Green, textColour.Blue, 255); + } + } else { + if(selectionXL != -1 && selectionXH != -1) + { + g->fillrect(screenPos.X+textPosition.X+selectionXL, screenPos.Y+textPosition.Y-1, selectionXH-(selectionXL), 10, 255, 255, 255, 255); + g->drawtext(screenPos.X+textPosition.X, screenPos.Y+textPosition.Y, textFragments, textColour.Red, textColour.Green, textColour.Blue, 255); + } + else + { + g->drawtext(screenPos.X+textPosition.X, screenPos.Y+textPosition.Y, text, textColour.Red, textColour.Green, textColour.Blue, 255); + } + } } |