New message system. New common midi input class. Some compiler warning fixes. New ListBoxBasic class used by both LustBox and ComboBox. New embossed font.

1 files changed, 311 insertions, 0 deletions

diff --git a/plugingui/listboxbasic.cc b/plugingui/listboxbasic.cc
new file mode 100644
index 0000000..25b3daf
--- /dev/null
+++ b/plugingui/listboxbasic.cc
@@ -0,0 +1,311 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            listboxbasic.cc
+ *
+ *  Thu Apr  4 20:28:10 CEST 2013
+ *  Copyright 2013 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "listboxbasic.h"
+
+#include "painter.h"
+#include "font.h"
+
+#include <stdio.h>
+
+GUI::ListBoxBasic::ListBoxBasic(GUI::Widget *parent)
+  : GUI::Widget(parent)
+{
+  padding = 4;
+  btn_size = 14;
+
+  scroll_offset = 0;
+  selected = -1;
+  marked = -1;
+
+  clk_handler = NULL;
+  clk_ptr = NULL;
+
+  sel_handler = NULL;
+  sel_ptr = NULL;
+
+  valch_handler = NULL;
+  valch_ptr = NULL;
+
+  bg_img = new GUI::Image(":widget_c.png");
+}
+
+GUI::ListBoxBasic::~ListBoxBasic()
+{
+  delete bg_img;
+}
+
+void GUI::ListBoxBasic::setSelection(int index)
+{
+  selected = index;
+  if(valch_handler) valch_handler(valch_ptr);
+}
+
+void GUI::ListBoxBasic::addItem(std::string name, std::string value)
+{
+  struct item i;
+  i.name = name;
+  i.value = value;
+ 
+  items.push_back(i);
+
+  // sort
+  for(int x = 0; x < (int)items.size() - 1; x++) {
+    for(int y = 0; y < (int)items.size() - 1; y++) {
+      if(items[x].name < items[y].name) {
+
+        if(x == selected) setSelection(y);
+        else if(selected == y) setSelection(x);
+
+        struct item tmp = items[x];
+        items[x] = items[y];
+        items[y] = tmp;
+      }
+    }
+  }
+
+  if(selected == -1) setSelection((int)items.size() - 1);
+}
+
+void GUI::ListBoxBasic::clear()
+{
+  items.clear();
+  setSelection(-1);
+  scroll_offset = 0;
+  repaintEvent(NULL);
+}
+
+bool GUI::ListBoxBasic::selectItem(int index)
+{
+  if(index < 0 || index > (int)items.size() - 1) return false;
+  setSelection(index);
+  repaintEvent(NULL);
+  return true;
+}
+
+std::string GUI::ListBoxBasic::selectedName()
+{
+  if(selected < 0 || selected > (int)items.size() - 1) return "";
+  return items[selected].name;
+}
+
+std::string GUI::ListBoxBasic::selectedValue()
+{
+  if(selected < 0 || selected > (int)items.size() - 1) return "";
+  return items[selected].value;
+}
+
+void GUI::ListBoxBasic::registerClickHandler(void (*handler)(void *), void *ptr)
+{
+  this->clk_handler = handler;
+  this->clk_ptr = ptr;
+}
+
+void GUI::ListBoxBasic::registerSelectHandler(void (*handler)(void *), void *ptr)
+{
+  this->sel_handler = handler;
+  this->sel_ptr = ptr;
+}
+
+void GUI::ListBoxBasic::registerValueChangeHandler(void (*handler)(void *),
+                                              void *ptr)
+{
+  this->valch_handler = handler;
+  this->valch_ptr = ptr;
+}
+
+void GUI::ListBoxBasic::repaintEvent(GUI::RepaintEvent *e)
+{
+  GUI::Painter p(this);
+
+  p.clear();
+
+  int w = width();
+  int h = height();
+  if(w == 0 || h == 0) return;
+
+  p.drawImageStretched(0, 0, bg_img, w, h);
+
+  int yoffset = padding / 2;
+  int skip = scroll_offset;
+  for(int idx = skip; idx < (int)items.size(); idx++) {
+    struct item *i = &items[idx];
+    if(idx == selected) {
+      p.setColour(Colour(0.6, 0.9));
+      p.drawFilledRectangle(1,
+                            yoffset - (padding / 2),
+                            width() - 1,
+                            yoffset + (font.textHeight() + 1));
+    }
+
+    if(idx == marked) {
+      p.setColour(Colour(1, 0.9));
+      p.drawRectangle(1,
+                      yoffset - (padding / 2),
+                      width() - 1,
+                      yoffset + (font.textHeight() + 1));
+    }
+
+    p.setColour(Colour(1, 1));
+    p.drawText(2, yoffset + font.textHeight(), font, i->name);
+    yoffset += font.textHeight() + padding;
+  }
+
+  p.drawRectangle(width() - btn_size, 0, width() - 1, btn_size);
+  p.drawRectangle(width() - btn_size, height() - btn_size,
+                  width() - 1, height() - 1);
+}
+
+void GUI::ListBoxBasic::scrollEvent(ScrollEvent *e)
+{
+  scroll_offset += e->delta;
+  if(scroll_offset < 0) scroll_offset = 0;
+  if(scroll_offset > ((int)items.size() - 1))
+    scroll_offset = ((int)items.size() - 1);
+  repaintEvent(NULL);
+}
+
+void GUI::ListBoxBasic::keyEvent(GUI::KeyEvent *e)
+{
+  if(e->direction != -1) return;
+
+  switch(e->keycode) {
+  case GUI::KeyEvent::KEY_UP:
+    {
+      marked--;
+      if(marked < 0) marked = 0;
+
+      if(marked < scroll_offset) {
+        scroll_offset = marked;
+        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);
+
+      marked++;
+      if(marked > ((int)items.size() - 1)) marked = (int)items.size() - 1;
+
+      if(marked > (scroll_offset + numitems - 1)) {
+        scroll_offset = marked - numitems + 1;
+        if(scroll_offset > ((int)items.size() - 1))
+          scroll_offset = ((int)items.size() - 1);
+      }
+    }
+    break;
+  case GUI::KeyEvent::KEY_HOME:
+    marked = 0;
+    if(marked < scroll_offset) {
+      scroll_offset = marked;
+      if(scroll_offset < 0) scroll_offset = 0;
+    }
+    break;
+  case GUI::KeyEvent::KEY_END:
+    {
+      // Number of items that can be displayed at a time.
+      int numitems = height() / (font.textHeight() + padding);
+
+      marked = (int)items.size() - 1;
+      if(marked > (scroll_offset + numitems - 1)) {
+        scroll_offset = marked - numitems + 1;
+        if(scroll_offset > ((int)items.size() - 1))
+          scroll_offset = ((int)items.size() - 1);
+      }
+    }
+    break;
+  case GUI::KeyEvent::KEY_CHARACTER:
+    if(e->text == " ") {
+      setSelection(marked);
+      // if(sel_handler) sel_handler(sel_ptr);
+    }
+    break;
+  case GUI::KeyEvent::KEY_ENTER:
+    setSelection(marked);
+    if(sel_handler) sel_handler(sel_ptr);
+    break;
+  default:
+    break;
+  }
+  
+  repaintEvent(NULL);
+}
+
+void GUI::ListBoxBasic::buttonEvent(ButtonEvent *e)
+{
+  if(e->x > ((int)width() - btn_size) && e->y < ((int)width() - 1)) {
+    if(e->y > 0 && e->y < btn_size) {
+      if(e->direction == -1) return;
+      scroll_offset--;
+      if(scroll_offset < 0) scroll_offset = 0;
+      repaintEvent(NULL);
+      return;
+    }
+    
+    if(e->y > ((int)height() - btn_size) && e->y < ((int)height() - 1)) {
+      if(e->direction == -1) return;
+      scroll_offset++;
+      if(scroll_offset > ((int)items.size() - 1))
+        scroll_offset = ((int)items.size() - 1);
+      repaintEvent(NULL);
+      return;
+    }
+  }
+
+  if(e->direction == -1) {
+    int skip = scroll_offset;
+    size_t yoffset = padding / 2;
+    for(int idx = skip; idx < (int)items.size(); idx++) {
+      yoffset += font.textHeight() + padding;
+      if(e->y < (int)yoffset - (padding / 2)) {
+        setSelection(idx);
+        marked = selected;
+        if(clk_handler) clk_handler(clk_ptr);
+        break;
+      }
+    }
+
+    repaintEvent(NULL);
+  }
+
+  if(e->direction != -1) {
+    int skip = scroll_offset;
+    size_t yoffset = padding / 2;
+    for(int idx = skip; idx < (int)items.size(); idx++) {
+      yoffset += font.textHeight() + padding;
+      if(e->y < (int)yoffset - (padding / 2)) {
+        marked = idx;
+        break;
+      }
+    }
+
+    repaintEvent(NULL);
+  }
+
+  if(e->doubleclick && sel_handler) sel_handler(sel_ptr);
+}