yet another help browser visual enhancement

[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"

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()


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

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

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

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

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

                    wxT("BLACK"),
                    wxT("MEDIUM FOREST GREEN"),
                    wxT("KHAKI"),
                    wxT("DARK GREY"),
                    wxT("SEA GREEN"),
                    wxT("LIGHT GREY"),
                    wxT("MEDIUM SLATE BLUE"),
                    wxT("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& WXUNUSED(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() != wxT(""))
  {
    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 wxT("Light");
    case wxBOLD:
      return wxT("Bold");
    case wxNORMAL:
    default:
      return wxT("Normal");
  }
}

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

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

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

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

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

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