summaryrefslogtreecommitdiffstats
path: root/lib/kotext/KFontDialog_local.h
blob: 943ce72424a62a297672674e5ebca101185c21f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
/*
    $Id: kfontdialog.h,v 1.71 2004/10/10 10:27:49 bhards Exp $

    Requires the TQt widget libraries, available at no cost at
    http://www.troll.no

    Copyright (C) 1997 Bernd Johannes Wuebben <wuebben@kde.org>
    Copyright (c) 1999 Preston Brown <pbrown@kde.org>
    Copyright (c) 1999 Mario Weilguni <mweilguni@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

/*This local copy has been added to be able to hide the preview pane of the font chooser. A patch has been made in tdelibs since 3.5. This local copy can be disposed of when we require tdelibs 3.5 and higher*/

#ifndef _K_FONT_DIALOG_LOCAL_H_
#define _K_FONT_DIALOG_LOCAL_H_

#include <tqlineedit.h>
#include <tqbutton.h>
#include <kdialogbase.h>

#include <koffice_export.h>

class TQComboBox;
class TQCheckBox;
class TQFont;
class TQGroupBox;
class TQLabel;
class TQStringList;
class KListBox;
class KIntNumInput;
/**
 * @short A font selection widget.
 *
 * While KFontChooser_local as an ordinary widget can be embedded in
 * custom dialogs and therefore is very flexible, in most cases
 * it is preferable to use the convenience functions in
 * KFontDialog_local.
 *
 * @author Preston Brown <pbrown@kde.org>, Bernd Wuebben <wuebben@kde.org>
 * @version $Id: kfontdialog.h,v 1.71 2004/10/10 10:27:49 bhards Exp $
 */
class KOTEXT_EXPORT KFontChooser_local : public TQWidget
{
  Q_OBJECT
  TQ_OBJECT
  TQ_PROPERTY( TQFont font READ font WRITE setFont )

public:
  /**
   *  @li @p FamilyList - Identifies the family (leftmost) list.
   *  @li @p StyleList -  Identifies the style (center) list.
   *  @li @p SizeList -   Identifies the size (rightmost) list.
   */
  enum FontColumn { FamilyList=0x01, StyleList=0x02, SizeList=0x04};

  /**
   *  @li @p FontDiffFamily - Identifies a requested change in the font family.
   *  @li @p FontDiffStyle -  Identifies a requested change in the font style.
   *  @li @p FontDiffSize -   Identifies a requested change in the font size.
   */
  enum FontDiff { FontDiffFamily=0x01, FontDiffStyle=0x02, FontDiffSize=0x04 };

  /**
   * Constructs a font picker widget.
   * It normally comes up with all font families present on the system; the
   * getFont method below does allow some more fine-tuning of the selection of fonts
   * that will be displayed in the dialog.
   * <p>Consider the following code snippet;
   * \code
   *    TQStringList list;
   *    KFontChooser_local::getFontList(list,SmoothScalableFonts);
   *    KFontChooser_local chooseFont = new KFontChooser_local(0, "FontList", false, list);
   * \endcode
   * <p>
   * The above creates a font chooser dialog with only SmoothScaleble fonts.
   *
   * @param parent The parent widget.
   * @param name The widget name.
   * @param onlyFixed Only display fonts which have fixed-width
   *        character sizes.
   * @param fontList A list of fonts to display, in XLFD format.  If
   *        no list is formatted, the internal KDE font list is used.
   *        If that has not been created, X is queried, and all fonts
   *        available on the system are displayed.
   * @param diff Display the difference version dialog.
   *        See KFontDialog_local::getFontDiff().
   * @param makeFrame Draws a frame with titles around the contents.
   * @param visibleListSize The minimum number of visible entries in the
   *        fontlists.
   * @param sizeIsRelativeState If not zero the widget will show a
   *        checkbox where the user may choose whether the font size
   *        is to be interpreted as relative size.
   *        Initial state of this checkbox will be set according to
   *        *sizeIsRelativeState, user choice may be retrieved by
   *        calling sizeIsRelative().
   */
  KFontChooser_local(TQWidget *parent = 0L, const char *name = 0L,
	       bool onlyFixed = false,
	       const TQStringList &fontList = TQStringList(),
	       bool makeFrame = true, int visibleListSize=8,
               bool diff = false, TQButton::ToggleState *sizeIsRelativeState = 0L );

  /**
   * Destructs the font chooser.
   */
  virtual ~KFontChooser_local();

  /**
   * Enables or disable a font column in the chooser.
   *
   * Use this
   * function if your application does not need or supports all font
   * properties.
   *
   * @param column Specify the columns. An or'ed combination of
   *        @p FamilyList, @p StyleList and @p SizeList is possible.
   * @param state If @p false the columns are disabled.
   */
  void enableColumn( int column, bool state );

  /**
   * Sets the currently selected font in the chooser.
   *
   * @param font The font to select.
   * @param onlyFixed Readjust the font list to display only fixed
   *        width fonts if @p true, or vice-versa.
   */
  void setFont( const TQFont &font, bool onlyFixed = false );

  /**
   * @return The bitmask corresponding to the attributes the user
   *         wishes to change.
   */
  int fontDiffFlags();

  /**
   * @return The currently selected font in the chooser.
   */
  TQFont font() const { return selFont; }

  /**
   * Sets the color to use in the preview.
   */
  void setColor( const TQColor & col );

  /**
   * @return The color currently used in the preview (default: the text
   *         color of the active color group)
   */
  TQColor color() const;

  /**
   * Sets the background color to use in the preview.
   */
  void setBackgroundColor( const TQColor & col );

  /**
   * @return The background color currently used in the preview (default:
   *         the base color of the active colorgroup)
   */
  TQColor backgroundColor() const;

  /**
   * Sets the state of the checkbox indicating whether the font size
   * is to be interpreted as relative size.
   * NOTE: If parameter sizeIsRelative was not set in the constructor
   *       of the widget this setting will be ignored.
   */
  void setSizeIsRelative( TQButton::ToggleState relative );

  /**
   * @return Whether the font size is to be interpreted as relative size
   *         (default: TQButton:Off)
   */
  TQButton::ToggleState sizeIsRelative() const;


  /**
   * @return The current text in the sample text input area.
   */
  TQString sampleText() const { return sampleEdit->text(); }

  /**
   * Sets the sample text.
   *
   * Normally you should not change this
   * text, but it can be better to do this if the default text is
   * too large for the edit area when using the default font of your
   * application.
   *
   * @param text The new sample text. The current will be removed.
   */
  void setSampleText( const TQString &text )
  {
    sampleEdit->setText( text );
  }

  /**
   * Shows or hides the sample text box.
   *
   * @param visible Set it to true to show the box, to false to hide it.
   */
  void setSampleBoxVisible( bool visible )
  {
    ( visible ) ? sampleEdit->show() : sampleEdit->hide();
  }

  /**
   * Converts a TQFont into the corresponding X Logical Font
   * Description (XLFD).
   *
   * @param theFont The font to convert.
   * @return A string representing the given font in XLFD format.
   */
  static TQString getXLFD( const TQFont &theFont )
    { return theFont.rawName(); }

  /**
   * The selection criteria for the font families shown in the dialog.
   *  @li @p FixedWidthFont when included only fixed-width fonts are returned.
   *        The fonts where the width of every character is equal.
   *  @li @p ScalableFont when included only scalable fonts are returned;
   *        certain configurations allow bitmap fonts to remain unscaled and
   *        thus these fonts have limited number of sizes.
   *  @li @p SmoothScalableFont when included only return smooth scalable fonts.
   *        this will return only non-bitmap fonts which are scalable to any size requested.
   *        Setting this option to true will mean the "scalable" flag is irrelavant.
   */
  enum FontListCriteria { FixedWidthFonts=0x01, ScalableFonts=0x02, SmoothScalableFonts=0x04 };

  /**
   * Creates a list of font strings.
   *
   * @param list The list is returned here.
   * @param fontListCriteria should contain all the restrictions for font selection as OR-ed values
   *        @see KFontChooser_local::FontListCriteria for the individual values
   */
  static void getFontList( TQStringList &list, uint fontListCriteria);

  /**
   *
   * Fill the font family list of the KFontChooser
   *
   * @param list The font list.
   */
  void setFamilyList( TQStringList list );

  /**
   * Reimplemented for internal reasons.
   */
  virtual TQSize sizeHint( void ) const;

signals:
  /**
   * Emitted whenever the selected font changes.
   */
  void fontSelected( const TQFont &font );

private slots:
  void toggled_checkbox();
  void family_chosen_slot(const TQString&);
  void size_chosen_slot(const TQString&);
  void style_chosen_slot(const TQString&);
  void displaySample(const TQFont &font);
  void showXLFDArea(bool);
  void size_value_slot(int);
private:
  void fillFamilyListBox(bool onlyFixedFonts = false);
  void fillSizeList();
  // This one must be static since getFontList( TQStringList, char*) is so
  static void addFont( TQStringList &list, const char *xfont );

  void setupDisplay();

  // pointer to an optinally supplied list of fonts to
  // inserted into the fontdialog font-family combo-box
  TQStringList  fontList;

  KIntNumInput *sizeOfFont;

  TQLineEdit    *sampleEdit;
  TQLineEdit    *xlfdEdit;

  TQLabel       *familyLabel;
  TQLabel       *styleLabel;
  TQCheckBox    *familyCheckbox;
  TQCheckBox    *styleCheckbox;
  TQCheckBox    *sizeCheckbox;
  TQLabel       *sizeLabel;
  KListBox     *familyListBox;
  KListBox     *styleListBox;
  KListBox     *sizeListBox;
  TQComboBox    *charsetsCombo; // BIC: remove in KDE4
  TQCheckBox    *sizeIsRelativeCheckBox;

  TQFont        selFont;

  TQString      selectedFamily;
  TQString      selectedStyle;
  int          selectedSize;
  TQMap<TQString, TQString> currentStyles;

  bool usingFixed;

protected:
  virtual void virtual_hook( int id, void* data );
private:
  class KFontChooser_localPrivate;
  KFontChooser_localPrivate *d;
};

/**
 * @short A font selection dialog.
 *
 * The KFontDialog_local provides a dialog for interactive font selection.
 * It is basically a thin wrapper around the KFontChooser_local widget,
 * which can also be used standalone. In most cases, the simplest
 * use of this class is the static method KFontDialog_local::getFont(),
 * which pops up the dialog, allows the user to select a font, and
 * returns when the dialog is closed.
 *
 * Example:
 *
 * \code
 *      TQFont myFont;
 *      int result = KFontDialog_local::getFont( myFont );
 *      if ( result == KFontDialog_local::Accepted )
 *            ...
 * \endcode
 *
 * \image html kfontdialog.png "KDE Font Dialog"
 *
 * @author Preston Brown <pbrown@kde.org>, Bernd Wuebben <wuebben@kde.org>
 * @version $Id: kfontdialog.h,v 1.71 2004/10/10 10:27:49 bhards Exp $
 */
class KOTEXT_EXPORT KFontDialog_local : public KDialogBase  {
    Q_OBJECT
  TQ_OBJECT

public:
  /**
   * Constructs a font selection dialog.
   *
   * @param parent The parent widget of the dialog, if any.
   * @param name The name of the dialog.
   * @param modal Specifies whether the dialog is modal or not.
   * @param onlyFixed only display fonts which have fixed-width
   *        character sizes.
   * @param fontlist a list of fonts to display, in XLFD format.  If
   *        no list is formatted, the internal KDE font list is used.
   *        If that has not been created, X is queried, and all fonts
   *        available on the system are displayed.
   * @param makeFrame Draws a frame with titles around the contents.
   * @param diff Display the difference version dialog. See getFontDiff().
   * @param sizeIsRelativeState If not zero the widget will show a
   *        checkbox where the user may choose whether the font size
   *        is to be interpreted as relative size.
   *        Initial state of this checkbox will be set according to
   *        *sizeIsRelativeState, user choice may be retrieved by
   *        calling sizeIsRelative().
   *
   */
  KFontDialog_local( TQWidget *parent = 0L, const char *name = 0,
	       bool onlyFixed = false, bool modal = false,
	       const TQStringList &fontlist = TQStringList(),
	       bool makeFrame = true, bool diff = false,
               TQButton::ToggleState *sizeIsRelativeState = 0L );

  /**
   * Sets the currently selected font in the dialog.
   *
   * @param font The font to select.
   * @param onlyFixed readjust the font list to display only fixed
   *        width fonts if true, or vice-versa
   */
  void setFont( const TQFont &font, bool onlyFixed = false )
    { chooser->setFont(font, onlyFixed); }

  /**
   * @return The currently selected font in the dialog.
   */
  TQFont font() const { return chooser->font(); }

  /**
   * Sets the state of the checkbox indicating whether the font size
   * is to be interpreted as relative size.
   * NOTE: If parameter sizeIsRelative was not set in the constructor
   *       of the dialog this setting will be ignored.
   */
  void setSizeIsRelative( TQButton::ToggleState relative )
    { chooser->setSizeIsRelative( relative ); }

  /**
   * @return Whether the font size is to be interpreted as relative size
   *         (default: false)
   */
  TQButton::ToggleState sizeIsRelative() const
    { return chooser->sizeIsRelative(); }

  /**
   * Creates a modal font dialog, lets the user choose a font,
   * and returns when the dialog is closed.
   *
   * @param theFont a reference to the font to write the chosen font
   *        into.
   * @param onlyFixed if true, only select from fixed-width fonts.
   * @param parent Parent widget of the dialog. Specifying a widget different
   *        from 0 (Null) improves centering (looks better).
   * @param makeFrame Draws a frame with titles around the contents.
   * @param sizeIsRelativeState If not zero the widget will show a
   *        checkbox where the user may choose whether the font size
   *        is to be interpreted as relative size.
   *        Initial state of this checkbox will be set according to
   *        *sizeIsRelativeState and user choice will be returned
   *        therein.
   *
   * @return TQDialog::result().
   */
  static int getFont( TQFont &theFont, bool onlyFixed = false,
		      TQWidget *parent = 0L, bool makeFrame = true,
                      TQButton::ToggleState *sizeIsRelativeState = 0L );

  /**
   * Creates a modal font difference dialog, lets the user choose a selection
   * of changes that should be made to a set of fonts, and returns when the
   * dialog is closed. Useful for choosing slight adjustments to the font set
   * when the user would otherwise have to manually edit a number of fonts.
   *
   * @param theFont a reference to the font to write the chosen font
   *        into.
   * @param diffFlags a reference to the int into which the chosen
   *        difference selection bitmask should be written.
   *        Check the returned bitmask like:
   *        \code
   *        if ( diffFlags & KFontChooser_local::FontDiffFamily )
   *            [...]
   *        if ( diffFlags & KFontChooser_local::FontDiffStyle )
   *            [...]
   *        if ( diffFlags & KFontChooser_local::FontDiffSize )
   *            [...]
   *        \endcode
   * @param onlyFixed if true, only select from fixed-width fonts.
   * @param parent Parent widget of the dialog. Specifying a widget different
   *        from 0 (Null) improves centering (looks better).
   * @param makeFrame Draws a frame with titles around the contents.
   * @param sizeIsRelativeState If not zero the widget will show a
   *        checkbox where the user may choose whether the font size
   *        is to be interpreted as relative size.
   *        Initial state of this checkbox will be set according to
   *        *sizeIsRelativeState and user choice will be returned
   *        therein.
   *
   * @returns TQDialog::result().
   */
  static int getFontDiff( TQFont &theFont, int &diffFlags, bool onlyFixed = false,
		      TQWidget *parent = 0L, bool makeFrame = true,
                      TQButton::ToggleState *sizeIsRelativeState = 0L );

  /**
   * When you are not only interested in the font selected, but also
   * in the example string typed in, you can call this method.
   *
   * @param theFont a reference to the font to write the chosen font
   *        into.
   * @param theString a reference to the example text that was typed.
   * @param onlyFixed if true, only select from fixed-width fonts.
   * @param parent Parent widget of the dialog. Specifying a widget different
   *        from 0 (Null) improves centering (looks better).
   * @param makeFrame Draws a frame with titles around the contents.
   * @param sizeIsRelativeState If not zero the widget will show a
   *        checkbox where the user may choose whether the font size
   *        is to be interpreted as relative size.
   *        Initial state of this checkbox will be set according to
   *        *sizeIsRelativeState and user choice will be returned
   *        therein.
   * @return The result of the dialog.
   */
  static int getFontAndText( TQFont &theFont, TQString &theString,
			     bool onlyFixed = false, TQWidget *parent = 0L,
			     bool makeFrame = true,
                             TQButton::ToggleState *sizeIsRelativeState = 0L );

signals:
  /**
   * Emitted whenever the currently selected font changes.
   * Connect to this to monitor the font as it is selected if you are
   * not running modal.
   */
  void fontSelected( const TQFont &font );

protected:
  KFontChooser_local *chooser;

protected:
  virtual void virtual_hook( int id, void* data );
private:
  class KFontDialog_localPrivate;
  KFontDialog_localPrivate *d;

};

#endif