| 1 |
#include <Posix.h> |
| 2 |
#include <App.h> |
| 3 |
#include <X11.h> |
| 4 |
#include <X11/IntrinsicP.h> |
| 5 |
#include <X11/StringDefs.h> |
| 6 |
#include <debug.h> |
| 7 |
|
| 8 |
#include <CrListP.h> |
| 9 |
#include <CrUtil.h> |
| 10 |
|
| 11 |
/********************************************************************** |
| 12 |
* resources |
| 13 |
**********************************************************************/ |
| 14 |
|
| 15 |
#define Offset(field) XtOffsetOf(CrListRec,crList.field) |
| 16 |
static XtResource resources[] = { |
| 17 |
|
| 18 |
{ XtNselectCallback,XtCSelectCallback,XtRCallback,sizeof(XtPointer), |
| 19 |
Offset(selectCallbacks),XtRCallback,NULL }, |
| 20 |
|
| 21 |
{ XtNinsertCallback,XtCInsertCallback,XtRCallback,sizeof(XtPointer), |
| 22 |
Offset(insertCallbacks),XtRCallback,NULL }, |
| 23 |
|
| 24 |
{ XtNdeleteCallback,XtCDeleteCallback,XtRCallback,sizeof(XtPointer), |
| 25 |
Offset(deleteCallbacks),XtRCallback,NULL }, |
| 26 |
|
| 27 |
{ XtNnext, XtCNext,XtRPointer,sizeof(XtPointer), |
| 28 |
Offset(next),XtRPointer,NULL }, |
| 29 |
|
| 30 |
{ XtNpackage,XtCPackage,XtRPointer,sizeof(XtPointer), |
| 31 |
Offset(caller),XtRPointer,NULL }, |
| 32 |
|
| 33 |
{ XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), |
| 34 |
Offset(font),XtRString, XtDefaultFont}, |
| 35 |
|
| 36 |
{ XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), |
| 37 |
Offset(foreground), XtRString, XtDefaultForeground}, |
| 38 |
}; |
| 39 |
#undef Offset |
| 40 |
|
| 41 |
/********************************************************************** |
| 42 |
* declarations |
| 43 |
**********************************************************************/ |
| 44 |
|
| 45 |
static void ClassInitialize(); |
| 46 |
static void Initialize(Widget req,Widget new,Arg args[],Cardinal *num); |
| 47 |
static void Destroy(Widget w); |
| 48 |
static void Resize(Widget w); |
| 49 |
static void Redisplay(Widget w,XEvent *event,Region region); |
| 50 |
static Boolean SetValues(Widget cur,Widget req,Widget new, |
| 51 |
Arg args[],Cardinal *num); |
| 52 |
static void Insert(Widget,XEvent*,String*,Cardinal*); |
| 53 |
static void Select(Widget,XEvent*,String*,Cardinal*); |
| 54 |
static void Delete(Widget,XEvent*,String*,Cardinal*); |
| 55 |
|
| 56 |
/********************************************************************** |
| 57 |
* actions & translations |
| 58 |
**********************************************************************/ |
| 59 |
|
| 60 |
static XtActionsRec actionsList[] = { |
| 61 |
{"insert", Insert}, |
| 62 |
{"select", Select}, |
| 63 |
{"delete", Delete}, |
| 64 |
}; |
| 65 |
|
| 66 |
static char defaultTranslations[] = "\ |
| 67 |
<Btn1Up>: insert() \n\ |
| 68 |
<Btn2Up>: select() \n\ |
| 69 |
<Btn3Up>: delete() \n\ |
| 70 |
"; |
| 71 |
|
| 72 |
/********************************************************************** |
| 73 |
* class |
| 74 |
**********************************************************************/ |
| 75 |
|
| 76 |
CrListClassRec crListClassRec = { |
| 77 |
{ /*** Core ***/ |
| 78 |
/* superclass */ (WidgetClass) &widgetClassRec, |
| 79 |
/* class_name */ "CrList", |
| 80 |
/* widget_size */ sizeof(CrListRec) , |
| 81 |
/* class_initialize */ ClassInitialize , |
| 82 |
/* class_part_initialize */ NULL , |
| 83 |
/* class_inited */ FALSE , |
| 84 |
/* initialize */ Initialize, |
| 85 |
/* initialize_hook */ NULL, |
| 86 |
/* realize */ XtInheritRealize, |
| 87 |
/* actions */ actionsList, |
| 88 |
/* num_actions */ XtNumber(actionsList), |
| 89 |
/* resources */ resources, |
| 90 |
/* num_resources */ XtNumber(resources), |
| 91 |
/* xrm_class */ NULLQUARK, |
| 92 |
/* compress_motion */ TRUE, |
| 93 |
/* compress_exposure */ TRUE, |
| 94 |
/* compress_enterleave */ TRUE, |
| 95 |
/* visible_interest */ FALSE, |
| 96 |
/* destroy */ Destroy, |
| 97 |
/* resize */ Resize, |
| 98 |
/* expose */ Redisplay, |
| 99 |
/* set_values */ SetValues, |
| 100 |
/* set_values_hook */ NULL, |
| 101 |
/* set_values_almost */ XtInheritSetValuesAlmost, |
| 102 |
/* get_values_hook */ NULL, |
| 103 |
/* accept_focus */ NULL, |
| 104 |
/* version */ XtVersion, |
| 105 |
/* callback_private */ NULL, |
| 106 |
/* tm_table */ defaultTranslations, |
| 107 |
/* query_geometry */ XtInheritQueryGeometry, |
| 108 |
/* display_accelerator */ XtInheritDisplayAccelerator, |
| 109 |
/* extension */ NULL |
| 110 |
}, |
| 111 |
{ /*** CrList ***/ |
| 112 |
/* empty */ 0, |
| 113 |
} |
| 114 |
}; |
| 115 |
|
| 116 |
WidgetClass crListWidgetClass = (WidgetClass)&crListClassRec; |
| 117 |
|
| 118 |
/********************************************************************** |
| 119 |
* privates |
| 120 |
**********************************************************************/ |
| 121 |
|
| 122 |
static void SetSize(Widget w) |
| 123 |
{ |
| 124 |
CrListWidget self = (CrListWidget)w; |
| 125 |
int i = 0; |
| 126 |
Dimension width,height,rWidth,rHeight; |
| 127 |
CrListNode node = 0; |
| 128 |
|
| 129 |
/*** find out size ***/ |
| 130 |
if (!self->crList.next) { |
| 131 |
debug ("No Next function for CrListWidget!\n"); |
| 132 |
return; |
| 133 |
} |
| 134 |
|
| 135 |
do { |
| 136 |
node = self->crList.next |
| 137 |
((XtPointer)self->crList.caller, (XtPointer)node); |
| 138 |
i++; |
| 139 |
} while (node); |
| 140 |
|
| 141 |
height = --i * FontSize; |
| 142 |
width = self->core.width; |
| 143 |
|
| 144 |
/*** do request from parent container ***/ |
| 145 |
switch(XtMakeResizeRequest(w,width,height,&rWidth,&rHeight)) { |
| 146 |
case XtGeometryYes: |
| 147 |
case XtGeometryNo: |
| 148 |
break; |
| 149 |
case XtGeometryAlmost: |
| 150 |
width = rWidth; |
| 151 |
height = rHeight; |
| 152 |
XtMakeResizeRequest(w,width,height,&rWidth,&rHeight); |
| 153 |
break; |
| 154 |
default: |
| 155 |
XtAppWarning(XtWidgetToApplicationContext(w), |
| 156 |
"CrList: unknown geometry return"); |
| 157 |
break; |
| 158 |
} |
| 159 |
debug3("CrList-%s-Setting size to %dx%d\n", |
| 160 |
XtName(w), |
| 161 |
self->core.width, |
| 162 |
self->core.height); |
| 163 |
} |
| 164 |
|
| 165 |
/* |
| 166 |
* function: get y's node in list from top |
| 167 |
* y : index |
| 168 |
* return : |
| 169 |
*/ |
| 170 |
CrListNode GetYNode (Widget w, int y) |
| 171 |
{ |
| 172 |
CrListWidget self = (CrListWidget)w; |
| 173 |
CrListNode node = NULL; |
| 174 |
int i = 0; |
| 175 |
|
| 176 |
if (!self->crList.next) { |
| 177 |
debug ("No Next function for CrListWidget!\n"); |
| 178 |
return 0; |
| 179 |
} |
| 180 |
|
| 181 |
node = self->crList.next ((XtPointer)self->crList.caller, (XtPointer)0); |
| 182 |
for (i = 0; node && i < y; i++) |
| 183 |
node = self->crList.next |
| 184 |
((XtPointer)self->crList.caller, (XtPointer)node); |
| 185 |
|
| 186 |
return (node); |
| 187 |
} |
| 188 |
|
| 189 |
/* hmm */ |
| 190 |
CrListCall GetYCall (Widget w, int y) |
| 191 |
{ |
| 192 |
CrListNode node = GetYNode (w, y); |
| 193 |
static struct _CrListCall ret; |
| 194 |
|
| 195 |
ret.index = -1; /* empty list */ |
| 196 |
ret.node = NULL; |
| 197 |
if (!node) |
| 198 |
return &ret; |
| 199 |
ret.index = y; |
| 200 |
ret.node = node->ptr; |
| 201 |
return &ret; |
| 202 |
} |
| 203 |
|
| 204 |
/********************************************************************** |
| 205 |
* actions procedures |
| 206 |
**********************************************************************/ |
| 207 |
|
| 208 |
static void Insert(Widget w,XEvent *e,String *argv,Cardinal *argc) |
| 209 |
{ |
| 210 |
CrListWidget self = (CrListWidget)w; |
| 211 |
CrListCall ret = GetYCall(w, e->xbutton.y / FontSize); |
| 212 |
|
| 213 |
if (!self->crList.insertCallbacks) |
| 214 |
return; |
| 215 |
debug2("CrList-%s-Insert() %d\n",XtName(w),ret->index); |
| 216 |
|
| 217 |
XtCallCallbackList (w,self->crList.insertCallbacks, (XtPointer) ret); |
| 218 |
SetSize(w); |
| 219 |
Redisplay(w,e,NULL); |
| 220 |
} |
| 221 |
|
| 222 |
static void Select(Widget new,XEvent *e,String *argv,Cardinal *argc) |
| 223 |
{ |
| 224 |
CrListWidget self = (CrListWidget)new; |
| 225 |
CrListCall ret = GetYCall(new, e->xbutton.y / FontSize); |
| 226 |
|
| 227 |
if (ret->index < 0) return; |
| 228 |
debug1("%s-Select()\n",self->core.name); |
| 229 |
XtCallCallbackList (new,self->crList.selectCallbacks, (XtPointer) ret); |
| 230 |
} |
| 231 |
|
| 232 |
static void Delete(Widget new,XEvent *e,String *argv,Cardinal *argc) |
| 233 |
{ |
| 234 |
CrListWidget self = (CrListWidget)new; |
| 235 |
CrListCall ret = GetYCall(new, e->xbutton.y / FontSize); |
| 236 |
|
| 237 |
if (ret->index < 0 || !self->crList.deleteCallbacks) |
| 238 |
return; |
| 239 |
debug2("CrList-%s-Delete() %d\n",XtName(new),ret->index); |
| 240 |
XtCallCallbackList (new,self->crList.deleteCallbacks, (XtPointer) ret); |
| 241 |
SetSize(new); |
| 242 |
Redisplay(new,e,NULL); |
| 243 |
} |
| 244 |
|
| 245 |
/********************************************************************** |
| 246 |
* members |
| 247 |
**********************************************************************/ |
| 248 |
|
| 249 |
static void ClassInitialize() |
| 250 |
{ |
| 251 |
debug0("CrList-ClassInitialize()\n"); |
| 252 |
} |
| 253 |
|
| 254 |
static void Initialize(Widget req,Widget new,Arg args[],Cardinal *num) |
| 255 |
{ |
| 256 |
CrListWidget w = (CrListWidget)new; |
| 257 |
XGCValues values; |
| 258 |
|
| 259 |
debug1("CrList-%s-Initialize()\n",XtName(new)); |
| 260 |
if(w->crList.caller == NULL) |
| 261 |
CnvDie(new,"Object has no container"); |
| 262 |
|
| 263 |
if (!w->core.width) |
| 264 |
w->core.width++; |
| 265 |
SetSize(new); |
| 266 |
w->crList.gc = GCCreate (new); |
| 267 |
values.font = w->crList.font->fid; |
| 268 |
values.foreground = w->crList.foreground; |
| 269 |
w->crList.normal_GC = XtGetGC |
| 270 |
(new, (unsigned) (GCForeground | GCFont), &values); |
| 271 |
} |
| 272 |
|
| 273 |
static void Destroy(Widget w) |
| 274 |
{ |
| 275 |
/* CrListWidget self = (CrListWidget)w; */ |
| 276 |
debug1("CrList-%s-Destroy()\n",XtName(w)); |
| 277 |
} |
| 278 |
|
| 279 |
static void Resize(Widget w) |
| 280 |
{ |
| 281 |
/* CrListWidget self = (CrListWidget)w; */ |
| 282 |
debug0("Resize()\n"); |
| 283 |
} |
| 284 |
|
| 285 |
|
| 286 |
static void Redisplay(Widget w,XEvent *event,Region region) |
| 287 |
{ |
| 288 |
CrListWidget self = (CrListWidget)w; |
| 289 |
CrListNode node; |
| 290 |
int y; |
| 291 |
XRectangle rect; |
| 292 |
|
| 293 |
debug0("CrList-Redisplay()\n"); |
| 294 |
|
| 295 |
if (region) { |
| 296 |
XClipBox(region,&rect); |
| 297 |
rect.height = rect.height / FontSize + 2; |
| 298 |
rect.y /= FontSize; |
| 299 |
XClearArea(XtDisplay(w),XtWindow(w), 0, rect.y * FontSize, |
| 300 |
0, rect.height * FontSize - 1, False); |
| 301 |
} else { |
| 302 |
rect.y = 0; |
| 303 |
XClearWindow (XtDisplay(w),XtWindow(w)); |
| 304 |
} |
| 305 |
node = (CrListNode)GetYNode(w, rect.y); |
| 306 |
|
| 307 |
for (y = rect.y; node && (!region || rect.height--); y++) { |
| 308 |
debug2 ("%s Drawing %s\n", self->core.name,node->name); |
| 309 |
/*DrawObject(w,0,y,node);*/ |
| 310 |
DrawFacePart(w, self->crList.gc, node->face, 0, y * FontSize, 0, 0); |
| 311 |
XDrawString(XtDisplay(w),XtWindow(w), |
| 312 |
self->crList.normal_GC |
| 313 |
/*DefaultGCOfScreen(XtScreen(w))*/, |
| 314 |
FontSize + 8, y * FontSize + 16, |
| 315 |
node->name,strlen(node->name)); |
| 316 |
node = self->crList.next |
| 317 |
((XtPointer)self->crList.caller, (XtPointer)node); |
| 318 |
} |
| 319 |
} |
| 320 |
|
| 321 |
static Boolean SetValues(Widget cur,Widget req,Widget new, |
| 322 |
Arg args[],Cardinal *num) |
| 323 |
{ |
| 324 |
/* CrListWidget self = (CrListWidget)new; */ |
| 325 |
debug0("SetValues()\n"); |
| 326 |
SetSize(new); |
| 327 |
return True; |
| 328 |
} |
| 329 |
|
| 330 |
/********************************************************************** |
| 331 |
* public |
| 332 |
**********************************************************************/ |
| 333 |
|
| 334 |
/*** end of CrList.c ***/ |
| 335 |
|
| 336 |
|
| 337 |
|
| 338 |
|
| 339 |
|
| 340 |
|
| 341 |
|
| 342 |
|
