| OZ++ Sample: EventHandler |
/****************************************************************************** * * Copyright (c) 2014 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * EventHandler.cpp * *****************************************************************************/ #include <oz++/motif/ApplicationView.h> //#include <oz++/motif/FontList.h> #include <oz++/motif/RenderTable.h> #include <oz++/motif/DC.h> namespace OZ { class MainView :public ApplicationView { private: SmartPtr<RenderTable> renderTable; void draw(Event& event) { XEvent* xevent = (XEvent*)event.getXEvent(); DC dc(this); dc.setRenderTable(renderTable->get()); const char* string = (const char*)event.getClientData(); CompoundString cs(string); cs.move(50, 100); cs.draw(&dc); printf("%s\n", string); } public: MainView(Application& applet, const char* name, Args& args) :ApplicationView(applet, name, args) { Args ar; ar.set(XmNfontName, "Times-a"); ar.set(XmNfontSize, 24); renderTable = new RenderTable(this, "", ar); addEventHandler(ExposureMask, this, (Handler)&MainView::draw, (void*)"Time to say goodbye"); } ~MainView() { } }; } // int main(int argc, char** argv) { try { const char* appclass = argv[0]; Application applet(appclass, argc, argv); Args args; args.set(XmNgeometry, "500x300"); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }