summaryrefslogtreecommitdiffstats
path: root/kdeui/kdialog.h
blob: d74b232ceda06bfb2419bbfcf6a486b30b21919f (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
/*  This file is part of the KDE Libraries
 *  Copyright (C) 1998 Thomas Tanghus ([email protected])
 *  Additions 1999-2000 by Espen Sand ([email protected])
 *
 *  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.
 */

#ifndef _KDIALOG_H_
#define _KDIALOG_H_

#include <tqdialog.h>
#include <kdelibs_export.h>

class TQLayoutItem;

/**
 * Dialog with extended non-modal support and methods for %KDE standard
 * compliance.
 *
 * Generally, you should not use this class directly, but KDialogBase
 * which inherits KDialog.
 *
 * If the dialog is non-modal and has a parent, the default keybindings
 * (@p escape = @p reject(), @p enter = @p accept(), etc.) are disabled.
 *
 * The marginHint() and spacingHint() sizes shall be used
 * whenever you layout the interior of a dialog. One special note. If
 * you make your own action buttons (OK, Cancel etc), the space
 * beteween the buttons shall be spacingHint(), whereas the space
 * above, below, to the right and to the left shall be marginHint().
 * If you add a separator line above the buttons, there shall be a
 * marginHint() between the buttons and the separator and a
 * marginHint() above the separator as well.
 *
 * @see KDialogBase
 * @author Thomas Tanghus <[email protected]>, Espen Sand <[email protected]>
 */
class KDEUI_EXPORT KDialog : public QDialog
{
  Q_OBJECT

  public:

    /**
     * Constructor.
     *
     * Takes the same arguments as TQDialog.
     */
    KDialog(TQWidget *parent = 0, const char *name = 0,
	    bool modal = false, WFlags f = 0);

    /**
     * Return the number of pixels you shall use between a
     * dialog edge and the outermost widget(s) according to the KDE standard.
     **/
    static int marginHint();

    /**
     * Return the number of pixels you shall use between
     * widgets inside a dialog according to the KDE standard.
     */
    static int spacingHint();

    /**
     * Resize every layout manager used in @p widget and its nested children.
     *
     * @param widget The widget used.
     * @param margin The new layout margin.
     * @param spacing The new layout spacing.
     */
    static void resizeLayout( TQWidget *widget, int margin, int spacing );

    /**
     * Resize every layout associated with @p lay and its children.
     *
     * @param lay layout to be resized
     * @param margin The new layout margin
     * @param spacing The new layout spacing
     */
    static void resizeLayout( TQLayoutItem *lay, int margin, int spacing );

    /**
     * Centers @p widget on the desktop, taking multi-head setups into
     * account. If @p screen is -1, @p widget will be centered on its
     * current screen (if it was shown already) or on the primary screen.
     * If @p screen is -3, @p widget will be centered on the screen that
     * currently contains the mouse pointer.
     * @p screen will be ignored if a merged display (like Xinerama) is not
     * in use, or merged display placement is not enabled in kdeglobals.
     * @since 3.1
     */
    static void centerOnScreen( TQWidget *widget, int screen = -1 );

    /**
     * Places @p widget so that it doesn't cover a certain @p area of the screen.
     * This is typically used by the "find dialog" so that the match it finds can
     * be read.
     * For @p screen, see centerOnScreen
     * @return true on success (widget doesn't cover area anymore, or never did),
     * false on failure (not enough space found)
     * @since 3.2
     */
    static bool avoidArea( TQWidget *widget, const TQRect& area, int screen = -1 );

  public slots:
    /**
     * If the dialog starts with focus in a TQLineEdit child,
     * then call selectAll() on the child.
     */
    virtual void polish();

    /**
     * Make a KDE compliant caption.
     *
     * @param caption Your caption. Do @p not include the application name
     * in this string. It will be added automatically according to the KDE
     * standard.
     */
    virtual void setCaption( const TQString &caption );

    /**
     * Make a plain caption without any modifications.
     *
     * @param caption Your caption. This is the string that will be
     * displayed in the window title.
     */
    virtual void setPlainCaption( const TQString &caption );


  protected:
    /**
     * @internal
     */
    virtual void keyPressEvent(TQKeyEvent*);


   signals:
    /**
     * Emitted when the margin size and/or spacing size
     * have changed.
     *
     * Use marginHint() and spacingHint() in your slot
     * to get the new values.
     */
    void layoutHintChanged();

  private:
    static const int mMarginSize;
    static const int mSpacingSize;

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

};


 /**
  * \brief Queue for showing modal dialogs one after the other.
  *
  * This is useful if you want to show a modal dialog but are not in the
  * position to start a new event loop at that point in your code.
  *
  * The disadvantage is that you will not be able to get any information from
  * the dialog, so it can currently only be used for simple dialogs.
  *
  * You probably want to use KMessageBox::queueMessageBox() instead
  * of this class directly.
  *
  * @author Waldo Bastian <[email protected]>
  */
class KDialogQueuePrivate;
class KDEUI_EXPORT KDialogQueue : public QObject
{
      Q_OBJECT

public:

      static void queueDialog(TQDialog *);

      ~KDialogQueue();

protected:
      KDialogQueue();
      static KDialogQueue *self();

private slots:
      void slotShowQueuedDialog();

protected:
      KDialogQueuePrivate* const d;
      static KDialogQueue *_self;
};

#endif // __KDIALOG_H