bug fix for m_parent == NULL

[wxWidgets.git] / src / generic / fontdlgg.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        fontdlgg.cpp
// Purpose:     Generic font dialog
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart and Markus Holzem
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "fontdlgg.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include <stdio.h>
#include "wx/utils.h"
#include "wx/dialog.h"
#include "wx/listbox.h"
#include "wx/button.h"
#include "wx/stattext.h"
#include "wx/layout.h"
#include "wx/dcclient.h"
#include "wx/choice.h"
#include "wx/checkbox.h"
#include <wx/intl.h>
#endif

#include <string.h>
#include <stdlib.h>

#include "wx/cmndata.h"
#include "wx/generic/fontdlgg.h"

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxGenericFontDialog, wxDialog)

BEGIN_EVENT_TABLE(wxGenericFontDialog, wxDialog)
    EVT_CHECKBOX(wxID_FONT_UNDERLINE, wxGenericFontDialog::OnChangeFont)
    EVT_CHOICE(wxID_FONT_STYLE, wxGenericFontDialog::OnChangeFont)
    EVT_CHOICE(wxID_FONT_WEIGHT, wxGenericFontDialog::OnChangeFont)
    EVT_CHOICE(wxID_FONT_FAMILY, wxGenericFontDialog::OnChangeFont)
    EVT_CHOICE(wxID_FONT_COLOUR, wxGenericFontDialog::OnChangeFont)
    EVT_CHOICE(wxID_FONT_SIZE, wxGenericFontDialog::OnChangeFont)
    EVT_PAINT(wxGenericFontDialog::OnPaint)
    EVT_CLOSE(wxGenericFontDialog::OnCloseWindow)
END_EVENT_TABLE()

#endif

#define NUM_COLS 48
static wxString wxColourDialogNames[NUM_COLS]={_T("ORANGE"),
                    _T("GOLDENROD"),
                    _T("WHEAT"),
                    _T("SPRING GREEN"),
                    _T("SKY BLUE"),
                    _T("SLATE BLUE"),
                    _T("MEDIUM VIOLET RED"),
                    _T("PURPLE"),

                    _T("RED"),
                    _T("YELLOW"),
                    _T("MEDIUM SPRING GREEN"),
                    _T("PALE GREEN"),
                    _T("CYAN"),
                    _T("LIGHT STEEL BLUE"),
                    _T("ORCHID"),
                    _T("LIGHT MAGENTA"),

                    _T("BROWN"),
                    _T("YELLOW"),
                    _T("GREEN"),
                    _T("CADET BLUE"),
                    _T("MEDIUM BLUE"),
                    _T("MAGENTA"),
                    _T("MAROON"),
                    _T("ORANGE RED"),

                    _T("FIREBRICK"),
                    _T("CORAL"),
                    _T("FOREST GREEN"),
                    _T("AQUARAMINE"),
                    _T("BLUE"),
                    _T("NAVY"),
                    _T("THISTLE"),
                    _T("MEDIUM VIOLET RED"),

                    _T("INDIAN RED"),
                    _T("GOLD"),
                    _T("MEDIUM SEA GREEN"),
                    _T("MEDIUM BLUE"),
                    _T("MIDNIGHT BLUE"),
                    _T("GREY"),
                    _T("PURPLE"),
                    _T("KHAKI"),

                    _T("BLACK"),
                    _T("MEDIUM FOREST GREEN"),
                    _T("KHAKI"),
                    _T("DARK GREY"),
                    _T("SEA GREEN"),
                    _T("LIGHT GREY"),
                    _T("MEDIUM SLATE BLUE"),
                    _T("WHITE")
                    };

/*
 * Generic wxFontDialog
 */

wxGenericFontDialog::wxGenericFontDialog(void)
{
  m_useEvents = FALSE;
  dialogParent = NULL;
}

wxGenericFontDialog::wxGenericFontDialog(wxWindow *parent, wxFontData *data):
  wxDialog(parent, -1, _("Font"), wxPoint(0, 0), wxSize(600, 600), wxDEFAULT_DIALOG_STYLE|wxDIALOG_MODAL)
{
  m_useEvents = FALSE;
  Create(parent, data);
}

wxGenericFontDialog::~wxGenericFontDialog(void)
{
}

void wxGenericFontDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
{
  EndModal(wxID_CANCEL);
}

bool wxGenericFontDialog::Create(wxWindow *parent, wxFontData *data)
{
  dialogParent = parent;

  if (data)
    fontData = *data;

  InitializeFont();
  CreateWidgets();

  return TRUE;
}

int wxGenericFontDialog::ShowModal(void)
{
  int ret = wxDialog::ShowModal();

    if (ret != wxID_CANCEL)
    {
      fontData.chosenFont = dialogFont;
    }

    return ret;
}


void wxGenericFontDialog::OnPaint(wxPaintEvent& event)
{
  wxPaintDC dc(this);
  PaintFontBackground(dc);
  PaintFont(dc);
}

/*
static void wxGenericChangeFontText(wxTextCtrl& text, wxCommandEvent& event)
{
  if (event.GetEventType() == wxEVENT_TYPE_TEXT_ENTER_COMMAND)
  {
    wxGenericFontDialog *dialog = (wxGenericFontDialog *)text.GetParent();
    dialog->OnChangeFont();
  }
}
*/

void wxGenericFontDialog::CreateWidgets(void)
{
  wxBeginBusyCursor();

  fontRect.x = 10;
#ifdef __X__
  fontRect.y = 125;
#else
  fontRect.y = 115;
#endif
  fontRect.width = 430;
  fontRect.height = 100;

  /*
    static char *families[] = { "Roman", "Decorative", "Modern", "Script", "Swiss" };
    static char *styles[] = { "Normal", "Italic", "Slant" };
    static char *weights[] = { "Normal", "Light", "Bold" };
  */

  wxString
     *families = new wxString[6],
     *styles = new wxString[3],
     *weights = new wxString[3];
  families[0] =  _("Roman");
  families[1] = _("Decorative");
  families[2] = _("Modern");
  families[3] = _("Script");
  families[4] = _("Swiss" );
  families[5] = _("Teletype" );
  styles[0] = _("Normal");
  styles[1] = _("Italic");
  styles[2] = _("Slant");
  weights[0] = _("Normal");
  weights[1] = _("Light");
  weights[2] = _("Bold");

  int x=-1;
  int y=40;
  familyChoice = new wxChoice(this, wxID_FONT_FAMILY, wxPoint(10, 10), wxSize(120, -1), 5, families);
  styleChoice = new wxChoice(this, wxID_FONT_STYLE, wxPoint(170, 10), wxSize(120, -1), 3, styles);
  weightChoice = new wxChoice(this, wxID_FONT_WEIGHT, wxPoint(330, 10), wxSize(120, -1), 3, weights);

  colourChoice = new wxChoice(this, wxID_FONT_COLOUR, wxPoint(10, 40), wxSize(180, -1), NUM_COLS, wxColourDialogNames);
#if 0 // def __WXMOTIF__ // TODO: This necessary now?
  // We want the pointSizeText to line up on the y axis with the colourChoice
  colourChoice->GetPosition(&fontRect.x, &y); //NL mod
  y+=3;    //NL mod
#endif

  wxString *pointSizes = new wxString[40];
  int i;
  for ( i = 0; i < 40; i++)
  {
    char buf[5];
    sprintf(buf, "%d", i + 1);
    pointSizes[i] = buf;
  }

  pointSizeChoice = new wxChoice(this, wxID_FONT_SIZE, wxPoint(230, y), wxSize(50, -1), 40, pointSizes);
  underLineCheckBox = new wxCheckBox(this, wxID_FONT_UNDERLINE, _("Underline"), wxPoint(320, y));

  int rectY;
  pointSizeChoice->GetPosition(&x, &rectY); //NL mod
  fontRect.y = rectY;
  pointSizeChoice->GetSize(&x, &y); //NL mod

  // Calculate the position of the bottom of the pointSizeChoice, and place
  // the fontRect there  (+5 for a nice gap)

  fontRect.y+=y+5; //NL mod

  int by = (fontRect.y + fontRect.height + 15);

  wxButton *okButton = new wxButton(this, wxID_OK, _("OK"), wxPoint(230, by), wxSize(75,-1));
  (void) new wxButton(this, wxID_OK, _("Cancel"), wxPoint(330, by), wxSize(75,-1));

  familyChoice->SetStringSelection( wxFontFamilyIntToString(dialogFont.GetFamily()) );
  styleChoice->SetStringSelection(wxFontStyleIntToString(dialogFont.GetStyle()));
  weightChoice->SetStringSelection(wxFontWeightIntToString(dialogFont.GetWeight()));
  wxString name(wxTheColourDatabase->FindName(fontData.fontColour));
  colourChoice->SetStringSelection(name);

  underLineCheckBox->SetValue(dialogFont.GetUnderlined());
  pointSizeChoice->SetSelection(dialogFont.GetPointSize()-1);

  okButton->SetDefault();

  //  SetClientSize(450, by + 40);
  Fit();

  Centre(wxBOTH);

  wxEndBusyCursor();

  delete[] families;
  delete[] styles;
  delete[] weights;
  delete[] pointSizes;
  m_useEvents = TRUE;
}

void wxGenericFontDialog::InitializeFont(void)
{
  int fontFamily = wxSWISS;
  int fontWeight = wxNORMAL;
  int fontStyle = wxNORMAL;
  int fontSize = 12;
  int fontUnderline = FALSE;
  if (fontData.initialFont.Ok())
  {
    fontFamily = fontData.initialFont.GetFamily();
    fontWeight = fontData.initialFont.GetWeight();
    fontStyle = fontData.initialFont.GetStyle();
    fontSize = fontData.initialFont.GetPointSize();
    fontUnderline = fontData.initialFont.GetUnderlined();
  }
  dialogFont = wxFont(fontSize, fontFamily, fontStyle, fontWeight, (fontUnderline != 0));
}

void wxGenericFontDialog::PaintFontBackground(wxDC& dc)
{
  dc.BeginDrawing();

  dc.SetPen(*wxBLACK_PEN);
  dc.SetBrush(*wxWHITE_BRUSH);
  dc.DrawRectangle( fontRect.x, fontRect.y, fontRect.width, fontRect.height);
  dc.EndDrawing();
}

void wxGenericFontDialog::PaintFont(wxDC& dc)
{
  dc.BeginDrawing();
  if (dialogFont.Ok())
  {
    dc.SetFont(dialogFont);
    // Calculate vertical centre
    long w, h;
    dc.GetTextExtent("X", &w, &h);
    float cx = (float)(fontRect.x + 10);
    float cy = (float)(fontRect.y + (fontRect.height/2.0) - (h/2.0));
    dc.SetTextForeground(fontData.fontColour);
    dc.SetClippingRegion( fontRect.x, fontRect.y, (long)(fontRect.width-2.0), (long)(fontRect.height-2.0));
    dc.DrawText(_("ABCDEFGabcdefg12345"), (long)cx, (long)cy);
    dc.DestroyClippingRegion();
    dc.SetFont(wxNullFont);
  }
  dc.EndDrawing();
}

void wxGenericFontDialog::OnChangeFont(wxCommandEvent& WXUNUSED(event))
{
  if (!m_useEvents) return;

  int fontFamily = 0;  /* shut up buggy egcs warnings */
  fontFamily = wxFontFamilyStringToInt(WXSTRINGCAST familyChoice->GetStringSelection());
  int fontWeight = 0;
  fontWeight = wxFontWeightStringToInt(WXSTRINGCAST weightChoice->GetStringSelection());
  int fontStyle = 0;
  fontStyle = wxFontStyleStringToInt(WXSTRINGCAST styleChoice->GetStringSelection());
  int fontSize = wxAtoi(pointSizeChoice->GetStringSelection());
  int fontUnderline = underLineCheckBox->GetValue();

  dialogFont = wxFont(fontSize, fontFamily, fontStyle, fontWeight, (fontUnderline != 0));
  if (colourChoice->GetStringSelection() != _T(""))
  {
    wxColour *col = (wxColour*) NULL;
    col = wxTheColourDatabase->FindColour(colourChoice->GetStringSelection());
    if (col)
    {
      fontData.fontColour = *col;
    }
  }
  wxClientDC dc(this);
  PaintFontBackground(dc);
  PaintFont(dc);
}

wxChar *wxFontWeightIntToString(int weight)
{
  switch (weight)
  {
    case wxLIGHT:
      return _T("Light");
    case wxBOLD:
      return _T("Bold");
    case wxNORMAL:
    default:
      return _T("Normal");
  }
  return _T("Normal");
}

wxChar *wxFontStyleIntToString(int style)
{
  switch (style)
  {
    case wxITALIC:
      return _T("Italic");
    case wxSLANT:
      return _T("Slant");
    case wxNORMAL:
    default:
      return _T("Normal");
  }
  return _T("Normal");
}

wxChar *wxFontFamilyIntToString(int family)
{
  switch (family)
  {
    case wxROMAN:
      return _T("Roman");
    case wxDECORATIVE:
      return _T("Decorative");
    case wxMODERN:
      return _T("Modern");
    case wxSCRIPT:
      return _T("Script");
    case wxTELETYPE:
      return _T("Teletype");
    case wxSWISS:
    default:
      return _T("Swiss");
  }
  return _T("Swiss");
}

int wxFontFamilyStringToInt(wxChar *family)
{
  if (!family)
    return wxSWISS;

  if (wxStrcmp(family, _T("Roman")) == 0)
    return wxROMAN;
  else if (wxStrcmp(family, _T("Decorative")) == 0)
    return wxDECORATIVE;
  else if (wxStrcmp(family, _T("Modern")) == 0)
    return wxMODERN;
  else if (wxStrcmp(family, _T("Script")) == 0)
    return wxSCRIPT;
  else if (wxStrcmp(family, _T("Teletype")) == 0)
    return wxTELETYPE;
  else return wxSWISS;
}

int wxFontStyleStringToInt(wxChar *style)
{
  if (!style)
    return wxNORMAL;
  if (wxStrcmp(style, _T("Italic")) == 0)
    return wxITALIC;
  else if (wxStrcmp(style, _T("Slant")) == 0)
    return wxSLANT;
  else
    return wxNORMAL;
}

int wxFontWeightStringToInt(wxChar *weight)
{
  if (!weight)
    return wxNORMAL;
  if (wxStrcmp(weight, _T("Bold")) == 0)
    return wxBOLD;
  else if (wxStrcmp(weight, _T("Light")) == 0)
    return wxLIGHT;
  else
    return wxNORMAL;
}