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sxy_task_chcolors.cpp

Go to the documentation of this file.

// =======================================================================

char *task_chcolors_cpp = "$Id: sxy_task_chcolors.cpp,v 1.1 2002/11/25 19:52:05 clinio Exp $";

// =======================================================================

#include <assert.h>
#include <xy.h>

extern "C" {
#include <iup.h>
#include <iupgc.h>
#include <cd.h>
}

#include "sxy_chart.h"
#include "sxy_graph.h"
#include "sxy_task.h"
#include "sxy_task_chcolors.h"

#define HIDDEN_CHART "HIDDEN_CHART_ATTRIBUTE_AT_TASK"

// =======================================================================

static int cb_main_color( Ihandle* h );
static int cb_grid_color( Ihandle* h );
static int cb_back_color( Ihandle* h );
   
// =======================================================================

SXYTaskReturn SXYTaskChangeChartColors::mouseClick(SXYGraph* graph, int b, 
int x, int y, int sft, int ctr) {
   if (b != 3) return CALLBACK_NOT_TREATED;

   int cht = graph->getChartOfEvent(x, y);
   if (cht < 0) return CALLBACK_NOT_TREATED;
   SXYChart* chart = graph->getChart(cht);
   if ( !chart ) return CALLBACK_NOT_TREATED;

   popupActions( chart );
   return CALLBACK_TREATED;
}

// ......................................................................
//
SXYTaskReturn SXYTaskChangeChartColors::mouseUnclick(SXYGraph* graph, int b, 
int x, int y, int sft, int ctr) {
   return CALLBACK_NOT_TREATED;
}

// ......................................................................

SXYTaskReturn SXYTaskChangeChartColors::mouseMotion(SXYGraph* graph, int x, int y, 
int sft, int ctr) {
   return CALLBACK_NOT_TREATED;
}

// ......................................................................

SXYTaskReturn SXYTaskChangeChartColors::mouseEnter(SXYGraph* graph) {
   return CALLBACK_NOT_TREATED;
}

// ......................................................................

SXYTaskReturn SXYTaskChangeChartColors::mouseLeave(SXYGraph* graph) {
   return CALLBACK_NOT_TREATED;
}

// ......................................................................

Ihandle* SXYTaskChangeChartColors::createMenu(SXYChart* chart) {
   char* strings[] = {
      "Editar cor de fundo", 
      "Editar cor principal"
      // "Editar cor do grid" 
   };
   char* callbacks[] = {
      "cb_back_color", 
      "cb_main_color"
      // "cb_grid_color"  
   };

   int nitens = sizeof(callbacks) / sizeof(char*);
   Ihandle *iup_menu = IupMenu(NULL);
   IupSetAttribute(iup_menu, HIDDEN_CHART, (char*)chart);
   for (int i = 0; i < nitens; i++) {
     Ihandle* iup_item = IupItem( strings[i], callbacks[i]);
     IupSetAttribute(iup_item, HIDDEN_CHART, (char*)chart);
     IupAppend(iup_menu, iup_item);
   }
  
   IupSetFunction("cb_back_color",  (Icallback) cb_back_color);
   IupSetFunction("cb_main_color",  (Icallback) cb_main_color);
   IupSetFunction("cb_grid_color", (Icallback) cb_grid_color);

   return iup_menu;
}

// ......................................................................

void SXYTaskChangeChartColors::popupActions(SXYChart* chart) {
   Ihandle* iup_menu = createMenu(chart);
   IupPopup(iup_menu, IUP_MOUSEPOS, IUP_MOUSEPOS);
   IupDestroy(iup_menu);
}

// ......................................................................

SXYTaskChangeChartColors::SXYTaskChangeChartColors(void) {
}

// ......................................................................

SXYTaskChangeChartColors::~SXYTaskChangeChartColors() {
};

// ......................................................................

static int cb_back_color( Ihandle* h ) {
   SXYChart* cht = (SXYChart*) IupGetAttribute( h, HIDDEN_CHART );
   assert(cht);
   long int color = cht->getBackgroundColor();
   unsigned char r, g, b;
   r = (color & 0xFF0000) >> 16;
   g = (color & 0x00FF00) >> 8;
   b = (color & 0x0000FF);
   int answer = IupGetColor( IUP_CENTER, IUP_CENTER, &r, &g, &b );
   if ( answer == 1 ) {
      color = r << 16 | g << 8 | b;
      cht->setBackgroundColor(color);
   }
   return IUP_DEFAULT;
}

// ......................................................................

static int cb_main_color( Ihandle* h ) {
   SXYChart* cht = (SXYChart*) IupGetAttribute( h, HIDDEN_CHART );
   assert(cht);
   long int color = cht->getMainColor();
   unsigned char r, g, b;
   r = (color & 0xFF0000) >> 16;
   g = (color & 0x00FF00) >> 8;
   b = (color & 0x0000FF);
   int answer = IupGetColor( IUP_CENTER, IUP_CENTER, &r, &g, &b );
   if ( answer == 1 ) {
      color = r << 16 | g << 8 | b;
      cht->setMainColor(color);
   }
   return IUP_DEFAULT;
}

// ......................................................................

static int cb_grid_color( Ihandle* h ) {
   SXYChart* cht = (SXYChart*) IupGetAttribute( h, HIDDEN_CHART );
   assert(cht);
   long int color = cht->getGridColor();
   unsigned char r, g, b;
   r = (color & 0xFF0000) >> 16;
   g = (color & 0x00FF00) >> 8;
   b = (color & 0x0000FF);
   int answer = IupGetColor( IUP_CENTER, IUP_CENTER, &r, &g, &b );
   if ( answer == 1 ) {
      color = r << 16 | g << 8 | b;
      cht->setGridColor(color);
   }
   return IUP_DEFAULT;
}

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SXY
Tecgraf / PUC-Rio - Computer Graphics Technology Group