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125 lines
2.9 KiB
125 lines
2.9 KiB
/*
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Copyright (C) 2000 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "artsgui.h"
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#include <connect.h>
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#include <qiomanager.h>
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#include <tqpushbutton.h>
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#include <tdeapplication.h>
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#include <objectmanager.h>
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using namespace Arts;
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int main(int argc, char **argv)
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{
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QIOManager iomanager;
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Dispatcher dispatcher(&iomanager);
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TDEApplication application(argc, argv, "testgui", true);
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ObjectManager::the()->provideCapability("kdegui");
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Widget w;
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w.width(500); w.height(350); w.show();
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Button b;
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b.parent(w);
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b.x(10);
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b.y(10);
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b.width(100);
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b.height(20);
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b.text("Hello World");
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b.show();
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Button b2;
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b2.parent(w);
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b2.x(10);
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b2.y(30);
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b2.width(100);
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b2.height(20);
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b2.text("More World");
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b2.show();
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Poti p;
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p.parent(w);
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p.x(150);
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p.y(10);
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p.caption("delay (ms)");
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p.color("red");
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p.min(10);
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p.max(100);
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p.value(90);
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p.show();
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Poti q;
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q.parent(w);
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q.x(250);
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q.y(10);
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q.caption("delay (ms)");
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q.color("blue");
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q.min(10);
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q.max(100);
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q.value(90);
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q.show();
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Graph g;
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g.parent(w);
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g.x(50);
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g.y(70);
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g.width(400);
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g.height(230);
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g.caption("a graph");
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g.minx(0.0);
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g.maxx(1.0);
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g.miny(0.0);
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g.maxy(1.0);
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g.show();
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GraphLine gline;
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gline.graph(g);
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std::vector<GraphPoint> points;
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points.push_back(GraphPoint(0, 1.0));
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points.push_back(GraphPoint(0.5, 1.0));
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points.push_back(GraphPoint(0.501, 0.0));
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points.push_back(GraphPoint(1.0, 0.0));
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gline.points(points);
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gline.color("red");
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gline.editable(true);
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/* moves q if p is moved */
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connect(p,"value_changed",q,"value");
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/*
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connect(q,"value_changed",p,"value");
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With the current assumptions that change notifications make, it is not
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possible to connect p to q and q to p.
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The reason is that the notification will only be delivered some time
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in the future (due to the requirement that they are asynchronous, i.e.
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do not cause the sender to block) - but this means that two different
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change notifications (i.e. changed to 1.0, changed to 2.0) may move
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in a cycle between the two objects p and q, if p and q are cross
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connected. So don't cross connect ;).
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*/
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return application.exec();
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}
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