| OZ++ Sample: CustomFontDialog |
/****************************************************************************** * * Copyright (c) 2015 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. * * * CustomFontDialog.cpp * *****************************************************************************/ #include <oz++/SmartPtr.h> #include <oz++/motif/ApplicationView.h> #include <oz++/motif/PanedWindow.h> #include <oz++/motif/RenderTable.h> #include <oz++/motif/TextField.h> #include <oz++/motif/PushButton.h> #include <oz++/motif/CustomDialog.h> #include <oz++/motif/FontListView.h> #include <oz++/motif/ScrolledText.h> namespace OZ { // Simple FontDialog class derived from CustomDialog class CustomFontDialog: public CustomDialog { private: SmartPtr<FontListView> fontView; CharString fontName; void browse(Action& action) { XmListCallbackStruct* cbs = (XmListCallbackStruct*)action.getCallData(); CompoundString cs(cbs->item); char* item = cs.unparse(); fontName = item; // printf("Mainview::browse item: %s\n", item); XtFree(item); } public: CustomFontDialog(View* parent, const char* name, Args& args) :CustomDialog(parent, name, args), fontName("") { Form* workArea = getWorkArea(); //Create an instance of FontView in the workArea. Args ar; ar.set(XmNtopAttachment, XmATTACH_FORM); ar.set(XmNbottomAttachment, XmATTACH_FORM); ar.set(XmNrightAttachment, XmATTACH_FORM); ar.set(XmNleftAttachment, XmATTACH_FORM); fontView = new FontListView(workArea, "", ar); //Listup fontNames. fontView -> listup(FontListView::NAME_ONLY); //Add a browse callback to the ListBox of FontView. fontView -> getList() -> addCallback(XmNbrowseSelectionCallback, this, (Callback)&CustomFontDialog::browse, NULL); //Add OK and Cancel buttons. static const char* buttons[] = { "OK", "Cancel", "Help" }; CompoundStringList csl(buttons, SizeOf(buttons) ); addButton(csl); //CancelButton getNthButton(1) -> addCallback(XmNactivateCallback, this, (Callback)&PopupView::popdown, NULL); } ~CustomFontDialog() { } PushButton* getOkButton() { return getNthButton(0); } const char* getFontName() { return (const char*)fontName; } }; // Sample class to use FontDialog class MainView :public ApplicationView { private: SmartPtr<PanedWindow> panedw; SmartPtr<PushButton> pushb; SmartPtr<TextField> fontName; SmartPtr<ScrolledText> text; SmartPtr<RenderTable> rtable; int fontSize; Boolean firstTimePopup; SmartPtr<CustomFontDialog> dialog; void activate(Action& action) { XmPushButtonCallbackStruct* cbs = (XmPushButtonCallbackStruct*)action.getCallData(); //dialog->popupSpringLoaded(); if (firstTimePopup) { dialog->popupAt(); firstTimePopup = False; } else { dialog->popup(); } } void ok(Action& action) { const char* name = dialog->getFontName(); if (name != NULL && strlen(name)>0) { fontName -> set(XmNvalue, name); if (rtable) { rtable = NULL; } SmartPtr<char> fname = __strdup(name); char* delim = (char*)strchr((const char*)fname, ','); if (delim) { *delim = '\0'; } Args ar; ar.set(XmNfontSize, fontSize); ar.set(XmNfontName, (const char*)fname); rtable = new RenderTable(text, "", ar); text -> getText() -> set(XmNrenderTable, rtable); printf("FontName =[%s]\n", (const char*)fname); } dialog->popdown(); } public: MainView(Application& applet, const char* name, Args& args) :ApplicationView(applet, name, args), fontSize(20), //Font size firstTimePopup(True) { Args ar; ar.set(XmNorientation, XmVERTICAL); panedw = new PanedWindow(this, "", ar); CompoundString cs("Showt FontDialog"); ar.set(XmNlabelType, XmSTRING); ar.set(XmNlabelString, cs); pushb = new PushButton(panedw, "pushb", ar); pushb -> addCallback(XmNactivateCallback, this, (Callback)&MainView::activate, NULL); ar.reset(); ar.set(XmNeditable, False); fontName = new TextField(panedw, "fontName", ar); ar.reset(); ar.set(XmNwidth, 500); ar.set(XmNheight, 400); text = new ScrolledText(panedw, "text", ar); ar.reset(); ar.set(XmNwidth, 400); ar.set(XmNheight, 500); dialog = new CustomFontDialog(this, "FontDialog", ar); PushButton* ok = dialog->getOkButton(); ok -> addCallback(XmNactivateCallback, this, (Callback)&MainView::ok, NULL); } ~MainView() { } }; } // int main(int argc, char** argv) { const char* appclass = argv[0]; Application applet(appclass, argc, argv); try { Args args; args.set(XmNgeometry, "400x500"); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }