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
|
/***************************************************************************/
/* This code is part of X-toolkit widget library called Nws */
/* Copyright (c) 1997,1998,1999 Ondrejicka Stefan */
/* (ondrej@idata.sk) */
/* Distributed under GPL 2 or later */
/***************************************************************************/
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include "MwMenuBarP.h"
#include "MwNws.h"
#define HIDE_PROTO 1
#include "MwMenuP.h"
#include "MwMBButtonP.h"
#undef HIDE_PROTO
#define offset(field) XtOffsetOf(MwMBButtonRec,mBButton.field)
static XtResource resources [] = {
{
XtNmenu_name ,
XtCMenu_name ,
XtRString ,
sizeof(String) ,
offset(menu_name) ,
XtRImmediate ,
(XtPointer) "menu" ,
},
};
static void ClassInitialize(void);
static void Initialize (Widget, Widget, ArgList, Cardinal *);
static void PopdownMenu (Widget);
static void Activate (Widget);
static void Leavenotify (Widget);
static void ResolveInheritance (WidgetClass);
static Widget get_menu(Widget);
static void popdown_menu(Widget, XtPointer, XtPointer);
MwMBButtonClassRec mwMBButtonClassRec = {
/* core */
{
/* superclass */ (WidgetClass) &mwLabelMEClassRec,
/* class_name */ "MwMBButton",
/* widget_size */ sizeof(MwMBButtonRec),
/* class_initialize */ ClassInitialize,
/* class_part_initialize */ ResolveInheritance,
/* class_inited */ FALSE,
/* initialize */ (XtInitProc) Initialize,
/* initialize_hook */ NULL,
/* rect1 */ NULL,
/* rect2 */ NULL,
/* rect3 */ 0,
/* resources */ resources,
/* num_resources */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
/* rect4 */ False,
/* rect5 */ False,
/* rect6 */ False,
/* rect7 */ False,
/* destroy */ NULL,
/* resize */ XtInheritResize,
/* expose */ XtInheritExpose,
/* set_values */ NULL,
/* set_values_hook */ NULL,
/* set_values_almost */ XtInheritSetValuesAlmost,
/* get_values_hook */ NULL,
/* rect9 */ NULL,
/* version */ XtVersion,
/* callback_private */ NULL,
/* rect10 */ NULL,
/* query_geometry */ XtInheritQueryGeometry,
/* rect11 */ NULL,
/* extension */ NULL
},
/* baseME */
{
/* get_internal_dimension */ XtInheritGetInternalDimension,
/* set_internal_dimension */ XtInheritSetInternalDimension,
/* enternotify */ XtInheritEnternotify,
/* leavenotify */ Leavenotify,
/* activate */ Activate,
},
/* labelME */
{
/* empty */ 0,
},
/* mBButton */
{
/* popdown_menu */ PopdownMenu ,
},
};
WidgetClass mwMBButtonObjectClass = (WidgetClass) &mwMBButtonClassRec;
static void ClassInitialize(void)
{
_InitializeWidgetSet();
}
static void ResolveInheritance(WidgetClass class)
{
MwMBButtonObjectClass c = (MwMBButtonObjectClass) class;
MwMBButtonObjectClass super;
if (class == mwMBButtonObjectClass) return;
super = (MwMBButtonObjectClass)c->rect_class.superclass;
if (c->mBButton_class.popdown_menu == XtInheritPopdownMenu)
c->mBButton_class.popdown_menu =
super->mBButton_class.popdown_menu;
}
static void Initialize(Widget req_widget, Widget new_widget,
ArgList args, Cardinal *num_args)
{
MwMBButtonObject nw = (MwMBButtonObject) new_widget;
nw->mBButton.menu = NULL;
}
static void Activate (Widget w)
{
MwMBButtonObject cw = (MwMBButtonObject) w;
Display * dpy= XtDisplayOfObject(w);
int x, y;
Window child;
Dimension width , height ,
dwidth = DisplayWidth(dpy,DefaultScreen(dpy)) ,
dheight = DisplayHeight(dpy,DefaultScreen(dpy)) ;
if (!XtIsSensitive(w)) return;
XtCallCallbackList(w , cw->baseME.activate , NULL);
cw->mBButton.menu = get_menu(w);
cw->baseME.entered = True;
((MwMBButtonObjectClass)cw->object.widget_class)->rect_class.expose(w , NULL , NULL);
if (!cw->mBButton.menu) return;
XtAddCallback(cw->mBButton.menu , XtNpopdownCallback ,
popdown_menu , (XtPointer) cw);
if (!XtIsRealized(cw->mBButton.menu)) XtRealizeWidget(cw->mBButton.menu);
XtVaGetValues(cw->mBButton.menu , XtNwidth , &width ,
XtNheight , &height , NULL);
XTranslateCoordinates(XtDisplay(XtParent((Widget)cw)),
XtWindow(XtParent((Widget)cw)),
DefaultRootWindow(XtDisplay(XtParent((Widget)cw))),
cw->rectangle.x, cw->rectangle.y + cw->rectangle.height,
&x, &y, &child);
if ( (x + width) > dwidth ) x = dwidth - width;
if ( (y + height ) > dheight ) y = dheight - height;
if ( y < 0 ) y = 0;
XtVaSetValues(cw->mBButton.menu,XtNx,x,XtNy,y,NULL);
XtPopupSpringLoaded(cw->mBButton.menu);
}
static void Leavenotify(Widget w)
{
MwMBButtonObject cw = (MwMBButtonObject) w;
if (!cw->mBButton.menu)
{
mwLabelMEClassRec.baseME_class.leavenotify(w);
}
}
static void PopdownMenu(Widget w)
{
MwMBButtonObject cw = (MwMBButtonObject) w;
if (cw->mBButton.menu)
{
((MwMenuWidgetClass)((MwMenuWidget)cw->mBButton.menu)->core.widget_class)->
menu_class.popdown_all(cw->mBButton.menu);
}
cw->baseME.entered = False;
((MwMBButtonObjectClass)cw->object.widget_class)
->rect_class.expose(w , NULL , NULL);
cw->mBButton.menu = NULL;
}
static void popdown_menu(Widget w, XtPointer client_data, XtPointer call_data)
{
MwMBButtonObject cw = (MwMBButtonObject) client_data;
MwMenuBarWidget mw = (MwMenuBarWidget) XtParent((Widget)cw);
XtRemoveCallback(w , XtNpopdownCallback , popdown_menu , client_data);
cw->baseME.entered = False;
((MwMBButtonObjectClass)cw->object.widget_class)
->rect_class.expose((Widget)cw , NULL , NULL);
cw->mBButton.menu = NULL;
((MwMenuBarWidgetClass)mw->core.widget_class)->menuBar_class.unactivate((Widget)mw);
}
static Widget get_menu(Widget w)
{
MwMBButtonObject cw = (MwMBButtonObject) w;
Widget menu = NULL;
Widget parent = w;
while (parent != NULL && menu == NULL)
{
if ((menu = XtNameToWidget(parent , cw->mBButton.menu_name)) == NULL)
parent = XtParent(parent);
}
return menu;
}
|
