Nekochan Net

/*
 Counter.C    A basic ViewKit component.

              (c)2012 under GPL, Avi Bercovich <avi@sillypages.org>
*/

#include <stdio.h>

#include <string>
#include <iostream>
using namespace std;

#include <Xm/Form.h>
#include <Xm/RowColumn.h>
#include <Xm/Frame.h>
#include <Xm/PushB.h>
#include <Xm/Label.h>

#include <Vk/VkApp.h>
#include <Vk/VkSimpleWindow.h>

// the interval by which the counter increases or decreases
#define COUNTER_STEP 5

class Counter : public VkComponent {

   public:
   
      Counter(const char *name, Widget parent);
      ~Counter() {};

      virtual const char *className() { return "Counter"; }

      void    setCount(int count) { _count = count; }
      int    getCount() { return _count; }

      void    updateCounter();

   private:

      int _count;

      Widget ui_frame_counter;

      static String ui_defaultResources[];

      static void increase_cb(Widget w, XtPointer clientData, XtPointer callData);
      static void decrease_cb(Widget w, XtPointer clientData, XtPointer callData);
};


class CounterWindow : public VkSimpleWindow {

   public:

      CounterWindow(const char *name);
      ~CounterWindow() {};

      virtual const char *className() { return "CounterWindow"; }
};


String Counter::ui_defaultResources[] = {

   "*renderTable: normal14, bold24",
   "*fontType: FONT_IS_FONT",
   "*normal14.fontName: -*-helvetica-medium-r-normal-*-14-*-*-*-*-*-*-*",
   "*bold24.fontName: -*-helvetica-bold-r-normal-*-24-*-*-*-*-*-*-*",

   NULL
};

Counter::Counter(const char *name, Widget parent) : VkComponent(name) {

   XmString _string;

   // _baseWidget remains unmanaged. The VkComponent->show() method called in main() takes care of that.
   _baseWidget = XtVaCreateWidget("BaseWidget", xmRowColumnWidgetClass, parent,

      XmNtopOffset, 5,
      XmNrightOffset,   5,
      XmNbottomOffset, 5,
      XmNleftOffset, 5,

      XmNnumColumns,          3,
      XmNorientation,         XmHORIZONTAL,
   
      NULL);

   // make sure ViewKit takes care of the widget destruction of our new VkComponent
   installDestroyHandler();
   
   // load font definitions, only works with Motif 2.1
   setDefaultResources(_baseWidget, ui_defaultResources);

   // create the Counter widgets and add the Xt callbacks for our buttons
   _string = XmStringCreate("-", "bold24");

   Widget ui_decrease_btn = XtVaCreateManagedWidget("DecreaseButton", xmPushButtonWidgetClass, _baseWidget,

      XmNlabelString, _string,

      NULL);   

   XtAddCallback(ui_decrease_btn, XmNactivateCallback, &Counter::decrease_cb, (XtPointer) this );

   Widget ui_frame = XtVaCreateManagedWidget("Frame", xmFrameWidgetClass, _baseWidget,

      XmNshadowType,    XmSHADOW_ETCHED_OUT,

      XmNrightOffset,   5,
      XmNleftOffset,    5,

      NULL);

   _string = XmStringCreate("Counter", "normal14");

   Widget ui_frame_label = XtVaCreateManagedWidget("FrameLabel", xmLabelWidgetClass, ui_frame,

      XmNframeChildType,             XmFRAME_TITLE_CHILD,
      XmNchildHorizontalAlignment,    XmALIGNMENT_END,

      XmNlabelString,    _string,

      NULL);

   _string = XmStringCreate("0", "bold24");

   ui_frame_counter = XtVaCreateManagedWidget("FrameCounter", xmLabelWidgetClass, ui_frame,

      XmNlabelString,         _string,

      NULL);

   _string = XmStringCreate("+", "bold24");

   Widget ui_increase_btn = XtVaCreateManagedWidget("IncreaseButton", xmPushButtonWidgetClass, _baseWidget,

      XmNlabelString, _string,

      NULL);   

   XtAddCallback(ui_increase_btn, XmNactivateCallback, &Counter::increase_cb, (XtPointer) this );

    // housekeeping...
   XmStringFree(_string);   

   // reset internal counter
   setCount(0);
}


void Counter::increase_cb(Widget w, XtPointer clientData, XtPointer callData) {

   // This is C++ casting magicke to get the actual object instance that triggered the callback
   Counter *obj = (Counter *) clientData;

   // Now that we have the correct object, we can deal with this event
   obj->setCount(obj->getCount() + COUNTER_STEP);
   obj->updateCounter();
}


void Counter::decrease_cb(Widget w, XtPointer clientData, XtPointer callData) {

   // This is C++ casting magicke to get the actual object instance that triggered the callback
   Counter *obj = (Counter *) clientData;

   // Now that we have the correct object, we can deal with this event   
   obj->setCount(obj->getCount() - COUNTER_STEP);
   obj->updateCounter();
}


void Counter::updateCounter() {

   // There's no way to feed XmStringCreate the 'count' parameter as an integer, So we need this nasty little C typing workaround.
   char bla[10];
   sprintf(bla, "%d", getCount());

   XmString _string = XmStringCreate(bla, "bold24");

   XtVaSetValues(ui_frame_counter,

      XmNlabelString, _string,

      NULL);

   XmStringFree(_string);
}


CounterWindow::CounterWindow(const char *name) : VkSimpleWindow(name) {

   Widget ui_root = XtCreateWidget("UIRoot", xmFormWidgetClass, mainWindowWidget(), NULL, 0);

   Counter *ui_counter = new Counter("Counter", ui_root);
   ui_counter->setCount(0);
   ui_counter->show();
   
   addView(ui_root);
}


int main(int argc , char *argv[]) {

   VkApp *app = new VkApp("Counter", &argc, argv);
   
   CounterWindow *win = new CounterWindow("Counter Window");
   win->show();

   app->run();
}

APP_NAME = counter

APP_OBJS = Counter.o

INCDIRS = -I. -I/usr/local/include  -I/usr/nekoware/include
LIBDIRS   = -L/usr/local/lib -L/usr/nekoware/lib

STDLIBS      = -lm
STDCPPLIBS   = -lC -lCio
X11LIBS    = -lXt -lX11 -lPW
MOTIFLIBS   = -lSgm -lXm
VKLIBS       = -lvk

LIBS=      $(VKLIBS) \
      $(MOTIFLIBS)\
      $(X11LIBS)\
      $(STDCPPLIBS)\
      $(STDLIBS)

CXX      = CC
CXXOPTS    = -O2 -LANG:std

CC      = c99
COPTS      = -O2

all : $(APP_NAME)

$(APP_NAME): ${APP_OBJS}
   ${CXX} ${APP_OBJS} ${LIBDIRS} ${LIBS} -o ${APP_NAME}

%.o : %.c   
   ${CC} ${COPTS} ${INCDIRS} -c $<

%.o : %.C   
   ${CXX} ${CXXOPTS} ${INCDIRS} -c $<


clean :
   rm -rf ${APP_NAME} *.o core *~ ii_*

Widget* SENDDIALOG_ClientData = malloc((sizeof(Widget)*2));

...
...
SENDDIALOG_ClientData[0] = XmCreateScrolledList (SENDDIALOG_Form_Upper, "Users", args, n);
XtManageChild (SENDDIALOG_ClientData[0]);
...
...
SENDDIALOG_ClientData[1] = XmCreateScrolledText(SENDDIALOG_Form_Lower, "Message", args, n);
XtManageChild (SENDDIALOG_ClientData[1]);
...
...

XtAddCallback (SENDDIALOG_BtnG_Send, XmNactivateCallback, sendDialog_SendCallBack, (XtPointer)SENDDIALOG_ClientData);

Widget* SENDDIALOG_List_Users = (Widget*)client_data;
Widget* SENDDIALOG_Text_Message = (Widget*)client_data+1;