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
|
/***************************************************************************
* Copyright (C) 2003 by S�bastien Lao�t *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <kapplication.h>
#include <tqdesktopwidget.h>
#include <tqpopupmenu.h>
#include <tqrect.h>
#include "popupmenu.h"
#if KDE_IS_VERSION( 3, 2, 90 ) // KDE 3.3.x
#define MENU_Y_OFFSET 1
#else
#define MENU_Y_OFFSET 2
#endif
/** NOTE 1 : This implementation forget BIDI support (eg RightToLeft languages
* expect to try to popup the menu first at bottom-right
* and not at bottom-left.
* NOTE 2 : This implementation do not support virtual desktop with more than
* one screen. Pehrapse TQPopupMenu solve it by itself but I can't
* try : I have only one screen.
* => Have those methods directly in TQt (or KDE) would be a great benefits !
*/
void PopupMenu::execAtRectCenter(TQPopupMenu &menu, const TQRect &rect)
{
// Compute point where to popup the menu that should be centered :
TQSize menuSize = menu.tqsizeHint();
TQSize menuHalfSize = menuSize / 2;
TQPoint point = rect.center() - TQPoint(menuHalfSize.width(), menuHalfSize.height());
// Very strange : menu.exec(point) do that clipping (but not when exec() by mouse !!! ) :
// If menu is partially out of the screen, move it :
/* int desktopWidth = kapp->desktop()->width();
int desktopHeight = kapp->desktop()->height();
if (point.x() + menuSize.width() > desktopWidth) point.setX(desktopWidth - menuSize.width());
if (point.y() + menuSize.height() - 2 > desktopHeight) point.setY(desktopHeight - menuSize.height() + 2);
if (point.x() < 0) point.setX(0);
if (point.y() < 0) point.setY(0);*/
// And show the menu :
menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom !
}
// Needed on debug to draw the passed global rectangle :
//#include <tqpainter.h>
//#include <tqpen.h>
void PopupMenu::execAtRectBottom(TQPopupMenu &menu, const TQRect &rect, bool centered)
{
TQSize menuSize = menu.tqsizeHint() - TQSize(1, 1); // A size is [1..n] => We want two lengths that are [0..(n-1)]
int desktopWidth = kapp->desktop()->width(); // to be compared/added/substracted with TQRects/TQPoints...
int desktopHeight = kapp->desktop()->height();
/** Paint the rect on the screen (desktop).
* For test purpose only (to be sure the passed rectangle is right).
* Comment this (and the qpainter and qpen includes) for a non-debug version.
*/
/*TQPainter paint(kapp->desktop(), kapp->desktop(), true);
paint.setPen( TQPen(TQt::black, 1) );
paint.drawRect(rect);
paint.end();*/
// rect.bottomLeft() and rect.bottomRight() must be VISIBLE :
// show the menu 1 pixel more BOTTOM (add 1 in Y) :
TQPoint point = rect.bottomLeft() + TQPoint(0, 1);
if (point.y() + menuSize.height() < desktopHeight) { // First try at bottom
if (centered)
point = TQPoint( rect.center().x() - menuSize.width() / 2, point.y() );
else if (point.x() + menuSize.width() < desktopWidth) // Then, try at bottom-left
/*point is already set*/;
else // Overwise, at bottom-right
point = rect.bottomRight() - TQPoint(menuSize.width(), - 1);
// Idem : rect.topLeft() and rect.topRight() must be VISIBLE :
// show the menu 1 pixel more TOP (substract 1 in Y) :
} else { // Overwize, try at top
if (centered)
point = TQPoint( rect.center().x() - menuSize.width() / 2, rect.top() - menuSize.height() - 1 );
else if (point.x() + menuSize.width() < desktopWidth) // Then, try at top-left
point = rect.topLeft() - TQPoint(0, menuSize.height() + 1);
else // Overwise, at top-right
point = rect.topRight() - TQPoint(menuSize.width(), menuSize.height() + 1);
}
// No need to clip : it will be done by menu.exec(...)
// And show the menu :
menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom !
}
void PopupMenu::execAtRectRight(TQPopupMenu &menu, const TQRect &rect, bool centered)
{
TQSize menuSize = menu.tqsizeHint() - TQSize(1, 1); // A size is [1..n] => We want two lengths that are [0..(n-1)]
int desktopWidth = kapp->desktop()->width(); // to be compared/added/substracted with TQRects/TQPoints...
int desktopHeight = kapp->desktop()->height();
/** Paint the rect on the screen (desktop).
* For test purpose only (to be sure the passed rectangle is right).
* Comment this (and the qpainter and qpen includes) for a non-debug version.
*/
/*TQPainter paint(kapp->desktop(), kapp->desktop(), true);
paint.setPen( TQPen(TQt::black, 1) );
paint.drawRect(rect);
paint.end();*/
// rect.topRight() and rect.topLeft() must be VISIBLE :
// show the menu 1 pixel more RIGHT (add 1 in X) :
TQPoint point = rect.topRight() + TQPoint(1, 0);
if (point.x() + menuSize.width() < desktopWidth) { // First try at right
if (centered)
point = TQPoint( point.x(), rect.center().y() - menuSize.height() / 2 );
else if (point.y() + menuSize.height() < desktopHeight) // Then, try at top-right
/*point is already set*/;
else // Overwise, at top-left
point = rect.bottomRight() - TQPoint(-1, menuSize.height());
// Idem : rect.topLeft() and rect.bottomLeft() must be VISIBLE :
// show the menu 1 pixel more LEFT (substract 1 in X) :
} else { // Overwize, try at top
if (centered)
point = TQPoint( rect.left() - menuSize.width() - 1, rect.center().y() - menuSize.height() / 2 );
else if (point.y() + menuSize.height() < desktopHeight) // Then, try at top-left
point = rect.topLeft() - TQPoint(menuSize.width() + 1, 0);
else // Overwise, at bottom-left
point = rect.bottomLeft() - TQPoint(menuSize.width() + 1, menuSize.height());
}
// No need to clip : it will be done by menu.exec(...)
// And show the menu :
menu.exec( point + TQPoint(0, MENU_Y_OFFSET) ); // Stupid offset (TQt bug ?) : we should show the menus 2 pixels more bottom !
}
// # i n c l u d e " p o p u p m e n u . m o c " // Comment this if you don't compile PopupMenuTest class
|
