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authorBent Bisballe Nyeng <deva@aasimon.org>2020-12-29 16:09:43 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2020-12-29 16:39:54 +0100
commit645250e1cd8ce9bc1faea599df7a1b05836bfeb8 (patch)
treec6311afab3900d2dd2aecbfbe1ac348d0e48c428 /dggui/tabbutton.cc
parentdce64999d3325c5b55499d6ba657066efa48fbff (diff)
Split UI code into application/plugin UI and UI library.
Diffstat (limited to 'dggui/tabbutton.cc')
-rw-r--r--dggui/tabbutton.cc132
1 files changed, 132 insertions, 0 deletions
diff --git a/dggui/tabbutton.cc b/dggui/tabbutton.cc
new file mode 100644
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+++ b/dggui/tabbutton.cc
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * tabbutton.cc
+ *
+ * Thu Nov 24 18:52:26 CET 2016
+ * Copyright 2016 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 Lesser General Public License as published by
+ * the Free Software Foundation; either version 3 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 "tabbutton.h"
+
+#include "painter.h"
+
+namespace GUI
+{
+
+static TabID getNextTabID()
+{
+ static TabID next{0};
+ next++;
+ return next;
+}
+
+TabButton::TabButton(Widget* parent, Widget* tab_widget)
+ : ButtonBase(parent)
+ , tab_widget(tab_widget)
+{
+ tab_id = getNextTabID();
+ CONNECT(this, clickNotifier, this, &TabButton::clickHandler);
+}
+
+TabButton::~TabButton()
+{
+}
+
+Widget* TabButton::getTabWidget()
+{
+ return tab_widget;
+}
+
+std::size_t TabButton::getMinimalWidth() const
+{
+ std::size_t padding = 15;
+ auto font_width = font.textWidth(text);
+
+ return font_width + padding;
+}
+
+std::size_t TabButton::getMinimalHeight() const
+{
+ std::size_t padding = 10;
+ auto font_height= font.textHeight(text);
+
+ return font_height + padding;
+}
+
+void TabButton::setActive(bool active)
+{
+ this->active = active;
+
+ if (active) {
+ draw_state = State::Down;
+ }
+ else {
+ draw_state = State::Up;
+ }
+
+ redraw();
+}
+
+TabID TabButton::getID() const
+{
+ return tab_id;
+}
+
+void TabButton::repaintEvent(RepaintEvent* e)
+{
+ Painter p(*this);
+
+ int padTop = 3;
+ int padLeft = 0;
+ int padTextTop = 3;
+
+ int w = width();
+ int h = height();
+ if(w == 0 || h == 0)
+ {
+ return;
+ }
+
+ if (draw_state == State::Up && !active) {
+ tab_passive.setSize(w - padLeft, h - padTop);
+ p.drawImage(padLeft, padTop, tab_passive);
+ }
+ else {
+ tab_active.setSize(w - padLeft, h - padTop);
+ p.drawImage(padLeft, padTop, tab_active);
+ }
+
+ auto x = padLeft + (width() - font.textWidth(text)) / 2;
+ auto y = padTop + padTextTop + font.textHeight(text);
+ p.drawText(x, y, font, text, true);
+}
+
+void TabButton::scrollEvent(ScrollEvent* scroll_event)
+{
+ scrollNotifier(scroll_event->delta);
+}
+
+void TabButton::clickHandler()
+{
+ switchTabNotifier(tab_widget);
+}
+
+} // GUI::