From d55de707c3352a468a227d69920a56ef2550a7cc Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Wed, 13 Mar 2013 18:46:17 +0100
Subject: Added path lineedit and drive selection (win32) to filebrowser. Made
 a lot of small layout tweaks.

---
 plugingui/combobox.cc | 153 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)

(limited to 'plugingui/combobox.cc')

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:
-- 
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