diff options
Diffstat (limited to 'plugingui/combobox.cc')
-rw-r--r-- | plugingui/combobox.cc | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/plugingui/combobox.cc b/plugingui/combobox.cc index 483f62c..20779e8 100644 --- a/plugingui/combobox.cc +++ b/plugingui/combobox.cc @@ -26,6 +26,159 @@ */ #include "combobox.h" +#include "painter.h" +#include "font.h" + +#include <stdio.h> + +#define BORDER 10 + +void listboxSelectHandler(void *ptr) +{ + GUI::ComboBox *c = (GUI::ComboBox*)ptr; + GUI::ButtonEvent e; + e.direction = 1; + c->buttonEvent(&e); +} + +GUI::ComboBox::ComboBox(GUI::Widget *parent) + : GUI::Widget(parent) +{ + handler = NULL; + ptr = NULL; + + listbox = new GUI::ListBox(parent); + listbox->registerSelectHandler(listboxSelectHandler, this); + listbox->registerClickHandler(listboxSelectHandler, this); + listbox->hide(); +} + +GUI::ComboBox::~ComboBox() +{ +} + +void GUI::ComboBox::addItem(std::string name, std::string value) +{ + listbox->addItem(name, value); +} + +void GUI::ComboBox::clear() +{ + listbox->clear(); + repaintEvent(NULL); +} + +bool GUI::ComboBox::selectItem(int index) +{ + listbox->selectItem(index); + repaintEvent(NULL); + return true; +} + +std::string GUI::ComboBox::selectedName() +{ + return listbox->selectedName(); +} + +std::string GUI::ComboBox::selectedValue() +{ + return listbox->selectedValue(); +} + +void GUI::ComboBox::registerValueChangedHandler(void (*handler)(void *), + void *ptr) +{ + this->handler = handler; + this->ptr = ptr; +} + +void GUI::ComboBox::repaintEvent(GUI::RepaintEvent *e) +{ + Painter p(this); + + int h = 16; + + std::string _text = selectedName(); + + p.setColour(Colour(0, 0.4)); + p.drawFilledRectangle(3,3,width()-3,h-3); + + p.setColour(Colour(1,1,1)); + p.drawRectangle(0,0,width()-1,h-1); + p.drawRectangle(2,2,width()-3,h-3); + p.drawText(BORDER - 4, h/2+5 + 1, font, _text); +} + +void GUI::ComboBox::scrollEvent(ScrollEvent *e) +{ + /* + scroll_offset += e->delta; + if(scroll_offset < 0) scroll_offset = 0; + if(scroll_offset > (items.size() - 1)) + scroll_offset = (items.size() - 1); + repaintEvent(NULL); + */ +} + +void GUI::ComboBox::keyEvent(GUI::KeyEvent *e) +{ + if(e->direction != -1) return; + + /* + switch(e->keycode) { + case GUI::KeyEvent::KEY_UP: + { + selected--; + if(selected < 0) selected = 0; + if(selected < scroll_offset) { + scroll_offset = selected; + if(scroll_offset < 0) scroll_offset = 0; + } + } + break; + case GUI::KeyEvent::KEY_DOWN: + { + // Number of items that can be displayed at a time. + int numitems = height() / (font.textHeight() + padding); + + selected++; + if(selected > (items.size() - 1)) + selected = (items.size() - 1); + if(selected > (scroll_offset + numitems - 1)) { + scroll_offset = selected - numitems + 1; + if(scroll_offset > (items.size() - 1)) + scroll_offset = (items.size() - 1); + } + } + break; + case GUI::KeyEvent::KEY_HOME: + selected = 0; + break; + case GUI::KeyEvent::KEY_END: + selected = items.size() - 1; + break; + default: + break; + } + + repaintEvent(NULL); + */ +} + +void GUI::ComboBox::buttonEvent(ButtonEvent *e) +{ + if(e->direction != 1) return; + + if(!listbox->visible()) { + listbox->resize(width() - 1, 100); + listbox->move(x(), y() + 16); + } else { + if(handler) handler(ptr); + } + + listbox->setVisible(!listbox->visible()); +} + #ifdef TEST_COMBOBOX //Additional dependency files //deps: |