| OZ++ Sample: ResizableCanvasWithColorPositioner |
/****************************************************************************** * * Copyright (c) 2016 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. * * * ResizableCanvasWithColorPositioner.cpp * *****************************************************************************/ #include <oz++/motif/ApplicationView.h> #include <oz++/motif/MainWindow.h> #include <oz++/motif/Form.h> #include <oz++/motif/Color.h> #include <oz++/motif/MenuBar.h> #include <oz++/motif/Canvas.h> #include <oz++/motif/ColorPositioner.h> #include <oz++/motif/CascadeButton.h> #include <oz++/motif/PulldownMenu.h> namespace OZ { class MainView :public ApplicationView { private: enum {NEW, OPEN, SAVE, EXIT, CUT, COPY, PASTE,FIND, REPLACE }; SmartPtr<MainWindow> mainw; SmartPtr<Form> form; SmartPtr<Canvas> canvas; SmartPtr<ColorPositioner> positioner; SmartPtr<MenuBar> menubar; SmartPtr<CascadeButton> file; SmartPtr<CascadeButton> edit; SmartPtr<PulldownMenu> pulldownm; SmartPtr<PulldownMenu> epulldownm; void fileMenu(Action& action) { int menuId = action.getClientIntData(); printf("fileMenu %d\n", menuId); if(menuId == EXIT) { confirm(action); } } void editMenu(Action& action) { int menuId = action.getClientIntData(); printf("editMenu %d\n", menuId); } void expose(Event& event) { DC dc(canvas); Color color(canvas); int r, g, b; positioner->getPosition(r, g, b); Pixel pixel = color.color256(r, g, b); dc.setForeground(pixel); Dimension w, h; canvas->get(XmNwidth, (XtArgVal)&w); canvas->get(XmNheight, (XtArgVal)&h); dc.fillEllipse(2, 2, w/2-4, h/2-4); } virtual void structureNotify(Event& event) { XEvent* xe = event.getXEvent(); if (xe->type == ConfigureNotify) { configureNotify(event); } else { //Add here your own nofity event handlers. } sendExposeEvent(); } //Your own resize handler. virtual void configureNotify(Event& event) { Dimension width, height; get(XmNwidth, (XtArgVal)&width); get(XmNheight, (XtArgVal)&height); if (positioner && canvas) { int w = width-positioner->getPositionerWidth()-4; canvas->set(XmNwidth, w); canvas->set(XmNheight, height-4); } } public: MainView(Application& applet, const char* name, Args& args) :ApplicationView(applet, name, args) { static MenuItem items[] = { {PUSHBUTTON, "new", "New", NEW, ZERO}, {PUSHBUTTON, "open", "Open", OPEN, ZERO}, {PUSHBUTTON, "save", "Save", SAVE, ZERO}, {PUSHBUTTON, "exit", "Exit", EXIT, ZERO} }; static MenuItem eitems[] = { {PUSHBUTTON, "cut", "Cut", CUT, ZERO}, {PUSHBUTTON, "copy", "Copy", COPY, ZERO}, {PUSHBUTTON, "paste", "Paste", PASTE, ZERO}, {PUSHBUTTON, "find", "Find", FIND, ZERO}, {PUSHBUTTON, "replace", "Replace", REPLACE, ZERO} }; Args ar; mainw = new MainWindow(this, "mainw", ar); ar.reset(); form = new Form(mainw, "form", ar); Color color(this); ar.reset(); ar.set(XmNx, 2); ar.set(XmNy, 2); ar.set(XmNtopAttachment, XmATTACH_FORM); ar.set(XmNleftAttachment, XmATTACH_FORM); ar.set(XmNbottomAttachment, XmATTACH_FORM); ar.set(XmNbackground, color.whitePixel()); canvas = new Canvas(form, "canvas", ar); ar.reset(); ar.set(XmNtopAttachment, XmATTACH_FORM); ar.set(XmNrightAttachment, XmATTACH_FORM); ar.set(XmNleftAttachment, XmATTACH_WIDGET); ar.set(XmNbottomAttachment, XmATTACH_FORM); ar.set(XmNleftWidget, canvas->getWidget()); positioner = new ColorPositioner(form, "positioner", ar); positioner->setPosition(80, 0, 128); positioner->setExposeEventListener(this); ar.reset(); menubar = new MenuBar(mainw, "menubar", ar); CompoundString cs("File"); ar.reset(); ar.set(XmNlabelString, cs); file = new CascadeButton(menubar, "File", ar); ar.reset(); ar.set(XmNtearOffModel, XmTEAR_OFF_ENABLED); pulldownm = new PulldownMenu(menubar, "pulldownm", ar); pulldownm -> addItem(items, XtNumber(items), this, (Callback)&MainView::fileMenu); file -> set(XmNsubMenuId, pulldownm); CompoundString ecs("Edit"); ar.reset(); ar.set(XmNlabelString, ecs); edit = new CascadeButton(menubar, "Edit", ar); ar.reset(); ar.set(XmNtearOffModel, XmTEAR_OFF_ENABLED); epulldownm = new PulldownMenu(menubar, "epulldownm", ar); epulldownm -> addItem(eitems, XtNumber(eitems), this, (Callback)&MainView::editMenu); edit -> set(XmNsubMenuId, epulldownm); this -> addEventHandler(StructureNotifyMask, this, (Handler)&MainView::structureNotify, NULL); this -> addEventHandler(ExposureMask, this, (Handler)&MainView::expose, NULL); } ~MainView() { } }; } // int main(int argc, char** argv) { try { const char* appclass = argv[0]; Application applet(appclass, argc, argv); Args args; args.set(XmNgeometry, "600x370"); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }