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authorBent Bisballe Nyeng <deva@aasimon.org>2012-01-23 20:08:12 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2012-01-23 20:08:12 +0100
commitaf9c9091ed69394171485aa4c4814504f86f2004 (patch)
tree070b911dc8faed486c8e8829f0f41aec7d5b4350 /plugingui/slider.cc
parent5e4cb10f72ef69d73fbd2c1bc42465c9111a4c41 (diff)
Simple image blit. New slider class. New filenamelineedit. New pixelbuffer used for drawing everything but the root window - with alpha blending...
Diffstat (limited to 'plugingui/slider.cc')
-rw-r--r--plugingui/slider.cc145
1 files changed, 145 insertions, 0 deletions
diff --git a/plugingui/slider.cc b/plugingui/slider.cc
new file mode 100644
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+++ b/plugingui/slider.cc
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * slider.cc
+ *
+ * Sat Nov 26 18:10:22 CET 2011
+ * Copyright 2011 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 "slider.h"
+
+#include "painter.h"
+
+#include <stdio.h>
+
+GUI::Slider::Slider(Widget *parent)
+ : GUI::Widget(parent)
+{
+ state = up;
+
+ val = 0.0;
+ maximum = 1.0;
+ minimum = 0.0;
+
+ handler = NULL;
+ ptr = NULL;
+}
+
+void GUI::Slider::setValue(float v)
+{
+ val = v;
+ if(handler) handler(ptr);
+ repaintEvent(NULL);
+}
+
+float GUI::Slider::value()
+{
+ return val;
+}
+
+void GUI::Slider::registerClickHandler(void (*handler)(void *), void *ptr)
+{
+ this->handler = handler;
+ this->ptr = ptr;
+}
+
+void GUI::Slider::mouseMoveEvent(MouseMoveEvent *e)
+{
+ if(state == down) {
+ val = maximum / (float)width() * (float)e->x;
+ if(handler) handler(ptr);
+ repaintEvent(NULL);
+ }
+}
+
+void GUI::Slider::buttonEvent(ButtonEvent *e)
+{
+ if(e->direction == 1) {
+ state = down;
+ val = maximum / (float)width() * (float)e->x;
+ if(handler) handler(ptr);
+ repaintEvent(NULL);
+ }
+ if(e->direction == -1) {
+ state = up;
+ val = maximum / (float)width() * (float)e->x;
+ repaintEvent(NULL);
+ clicked();
+ if(handler) handler(ptr);
+ }
+}
+
+void GUI::Slider::repaintEvent(GUI::RepaintEvent *e)
+{
+ printf("Slider::repaintEvent (%f)\n", val);
+
+ Painter p(this);
+
+ float alpha = 0.8;
+
+ int xpos = (int)((val / maximum) * (float)(width() - 1));
+
+ if(hasKeyboardFocus()) {
+ p.setColour(Colour(0.6, alpha));
+ } else {
+ p.setColour(Colour(0.5, alpha));
+ }
+ p.drawFilledRectangle(0,0,width(),height());
+ /*
+ p.setColour(Colour(0.1, alpha));
+ p.drawRectangle(0,0,width()-1,height()-1);
+ */
+ p.setColour(Colour(1, 0, 0, alpha));
+ p.drawLine(xpos, 0, xpos, height()-1);
+ /*
+ p.setColour(Colour(0.8, alpha));
+ switch(state) {
+ case up:
+ p.drawLine(0,0,0,height()-1);
+ p.drawLine(0,0,width()-1,0);
+ break;
+ case down:
+ p.drawLine(width()-1,0, width()-1,height()-1);
+ p.drawLine(width()-1,height()-1,0, height()-1);
+ break;
+ }
+ */
+ p.setColour(Colour(0.3, alpha));
+ p.drawPoint(0,height()-1);
+ p.drawPoint(width()-1,0);
+}
+
+#ifdef TEST_SLIDER
+//Additional dependency files
+//deps:
+//Required cflags (autoconf vars may be used)
+//cflags:
+//Required link options (autoconf vars may be used)
+//libs:
+#include "test.h"
+
+TEST_BEGIN;
+
+// TODO: Put some testcode here (see test.h for usable macros).
+
+TEST_END;
+
+#endif/*TEST_SLIDER*/