| File: | SimpleMenu.c |
| Location: | line 1372, column 14 |
| Description: | Dereference of null pointer |
| 1 | /* | |||
| 2 | Copyright (c) 1989, 1994 X Consortium | |||
| 3 | ||||
| 4 | Permission is hereby granted, free of charge, to any person obtaining a copy | |||
| 5 | of this software and associated documentation files (the "Software"), to deal | |||
| 6 | in the Software without restriction, including without limitation the rights | |||
| 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |||
| 8 | copies of the Software, and to permit persons to whom the Software is | |||
| 9 | furnished to do so, subject to the following conditions: | |||
| 10 | ||||
| 11 | The above copyright notice and this permission notice shall be included in | |||
| 12 | all copies or substantial portions of the Software. | |||
| 13 | ||||
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |||
| 17 | X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |||
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |||
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
| 20 | ||||
| 21 | Except as contained in this notice, the name of the X Consortium shall not be | |||
| 22 | used in advertising or otherwise to promote the sale, use or other dealings | |||
| 23 | in this Software without prior written authorization from the X Consortium. | |||
| 24 | */ | |||
| 25 | ||||
| 26 | /* | |||
| 27 | * SimpleMenu.c - Source code file for SimpleMenu widget. | |||
| 28 | * | |||
| 29 | * Date: April 3, 1989 | |||
| 30 | * | |||
| 31 | * By: Chris D. Peterson | |||
| 32 | * MIT X Consortium | |||
| 33 | * kit@expo.lcs.mit.edu | |||
| 34 | */ | |||
| 35 | ||||
| 36 | #ifdef HAVE_CONFIG_H1 | |||
| 37 | #include "config.h" | |||
| 38 | #endif | |||
| 39 | #include <stdio.h> | |||
| 40 | #include <limits.h> | |||
| 41 | #include <X11/IntrinsicP.h> | |||
| 42 | #include <X11/StringDefs.h> | |||
| 43 | ||||
| 44 | #include <X11/Xaw3d/Xaw3dP.h> | |||
| 45 | #include <X11/Xaw3d/XawInit.h> | |||
| 46 | #include <X11/Xaw3d/SimpleMenP.h> | |||
| 47 | #include <X11/Xaw3d/SmeBSBP.h> | |||
| 48 | #include <X11/Xaw3d/SmeLine.h> | |||
| 49 | #include <X11/Xaw3d/Cardinals.h> | |||
| 50 | #include <X11/Xaw3d/ThreeDP.h> | |||
| 51 | ||||
| 52 | #include <X11/Xmu/Initer.h> | |||
| 53 | #include <X11/Xmu/CharSet.h> | |||
| 54 | ||||
| 55 | #define streq(a, b)( strcmp((a), (b)) == 0 ) ( strcmp((a), (b)) == 0 ) | |||
| 56 | ||||
| 57 | #define offset(field) XtOffsetOf(SimpleMenuRec, simple_menu.field)__builtin_offsetof(SimpleMenuRec, simple_menu.field) | |||
| 58 | ||||
| 59 | static XtResource resources[] = { | |||
| 60 | ||||
| 61 | /* | |||
| 62 | * Label Resources. | |||
| 63 | */ | |||
| 64 | ||||
| 65 | {XtNlabel((char*)&XtStrings[429]), XtCLabel((char*)&XtStrings[1151]), XtRString((char*)&XtStrings[1797]), sizeof(String), | |||
| 66 | offset(label_string), XtRString((char*)&XtStrings[1797]), NULL((void*)0)}, | |||
| 67 | {XtNlabelClass"labelClass", XtCLabelClass"LabelClass", XtRPointer((char*)&XtStrings[1767]), sizeof(WidgetClass), | |||
| 68 | offset(label_class), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) NULL((void*)0)}, | |||
| 69 | ||||
| 70 | /* | |||
| 71 | * Layout Resources. | |||
| 72 | */ | |||
| 73 | ||||
| 74 | {XtNrowHeight"rowHeight", XtCRowHeight"RowHeight", XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), | |||
| 75 | offset(row_height), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) 0}, | |||
| 76 | {XtNtopMargin"topMargin", XtCVerticalMargins"VerticalMargins", XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), | |||
| 77 | offset(top_margin), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) 0}, | |||
| 78 | {XtNbottomMargin"bottomMargin", XtCVerticalMargins"VerticalMargins", XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), | |||
| 79 | offset(bottom_margin), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) 0}, | |||
| 80 | {XtNleftWhitespace"leftWhitespace", XtCHorizontalWhitespace"HorizontalWhitespace", XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), | |||
| 81 | offset(left_whitespace), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) 0}, | |||
| 82 | {XtNrightWhitespace"rightWhitespace", XtCHorizontalWhitespace"HorizontalWhitespace", XtRDimension((char*)&XtStrings[1618]), sizeof(Dimension), | |||
| 83 | offset(right_whitespace), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) 0}, | |||
| 84 | ||||
| 85 | /* | |||
| 86 | * Misc. Resources | |||
| 87 | */ | |||
| 88 | ||||
| 89 | { XtNallowShellResize((char*)&XtShellStrings[280]), XtCAllowShellResize((char*)&XtShellStrings[297]), XtRBoolean((char*)&XtStrings[1561]), sizeof(Boolean), | |||
| 90 | XtOffsetOf(SimpleMenuRec, shell.allow_shell_resize)__builtin_offsetof(SimpleMenuRec, shell.allow_shell_resize), | |||
| 91 | XtRImmediate((char*)&XtStrings[1695]), (XtPointer) TRUE1 }, | |||
| 92 | {XtNcursor"cursor", XtCCursor((char*)&XtStrings[976]), XtRCursor((char*)&XtStrings[1611]), sizeof(Cursor), | |||
| 93 | offset(cursor), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) None0L}, | |||
| 94 | {XtNmenuOnScreen"menuOnScreen", XtCMenuOnScreen"MenuOnScreen", XtRBoolean((char*)&XtStrings[1561]), sizeof(Boolean), | |||
| 95 | offset(menu_on_screen), XtRImmediate((char*)&XtStrings[1695]), (XtPointer) TRUE1}, | |||
| 96 | {XtNpopupOnEntry"popupOnEntry", XtCPopupOnEntry"PopupOnEntry", XtRWidget((char*)&XtStrings[1865]), sizeof(Widget), | |||
| 97 | offset(popup_entry), XtRWidget((char*)&XtStrings[1865]), NULL((void*)0)}, | |||
| 98 | {XtNbackingStore"backingStore", XtCBackingStore"BackingStore", XtRBackingStore"BackingStore", sizeof (int), | |||
| 99 | offset(backing_store), | |||
| 100 | XtRImmediate((char*)&XtStrings[1695]), (XtPointer) (Always2 + WhenMapped1 + NotUseful0)}, | |||
| 101 | {XtNjumpScroll"jumpScroll", XtCJumpScroll"JumpScroll", XtRInt((char*)&XtStrings[1718]), sizeof(int), | |||
| 102 | offset(jump_val), XtRImmediate((char*)&XtStrings[1695]), (XtPointer)1}, | |||
| 103 | }; | |||
| 104 | #undef offset | |||
| 105 | ||||
| 106 | static char defaultTranslations[] = | |||
| 107 | "<EnterWindow>: highlight() \n\ | |||
| 108 | <LeaveWindow>: unhighlight() \n\ | |||
| 109 | <BtnMotion>: highlight() \n\ | |||
| 110 | <BtnUp>: notify() unhighlight() popdown()"; | |||
| 111 | ||||
| 112 | /* | |||
| 113 | * Semi Public function definitions. | |||
| 114 | */ | |||
| 115 | ||||
| 116 | static void Redisplay(Widget, XEvent *, Region); | |||
| 117 | static void Realize(Widget, XtValueMask *, XSetWindowAttributes *); | |||
| 118 | static void Resize(Widget); | |||
| 119 | static void ChangeManaged(Widget); | |||
| 120 | static void Initialize(Widget, Widget, ArgList, Cardinal *); | |||
| 121 | static void ClassInitialize(void); | |||
| 122 | static void ClassPartInitialize(WidgetClass); | |||
| 123 | static Boolean SetValues(Widget, Widget, Widget, ArgList, Cardinal *); | |||
| 124 | static Boolean SetValuesHook(Widget, ArgList, Cardinal *); | |||
| 125 | static XtGeometryResult GeometryManager(Widget, XtWidgetGeometry *, XtWidgetGeometry *); | |||
| 126 | static void PopupCB(Widget, XtPointer, XtPointer); | |||
| 127 | static void PopupSubMenu(SimpleMenuWidget); | |||
| 128 | static void PopdownSubMenu(SimpleMenuWidget); | |||
| 129 | ||||
| 130 | /* | |||
| 131 | * Action Routine Definitions | |||
| 132 | */ | |||
| 133 | ||||
| 134 | static void Highlight(Widget, XEvent *, String *, Cardinal *); | |||
| 135 | static void Unhighlight(Widget, XEvent *, String *, Cardinal *); | |||
| 136 | static void Notify(Widget, XEvent *, String *, Cardinal *); | |||
| 137 | static void PositionMenuAction(Widget, XEvent *, String *, Cardinal *); | |||
| 138 | static void Popdown(Widget, XEvent *, String *, Cardinal *); | |||
| 139 | ||||
| 140 | /* | |||
| 141 | * Private Function Definitions. | |||
| 142 | */ | |||
| 143 | ||||
| 144 | static void MakeSetValuesRequest(Widget, Dimension, Dimension); | |||
| 145 | static void CreateLabel(Widget); | |||
| 146 | static void Layout(Widget, Dimension *, Dimension *); | |||
| 147 | static void AddPositionAction(XtAppContext, XPointer); | |||
| 148 | static void PositionMenu(Widget, XPoint *); | |||
| 149 | static void ChangeCursorOnGrab(Widget, XtPointer, XtPointer); | |||
| 150 | static void SetMarginWidths(Widget); | |||
| 151 | static Dimension GetMenuWidth(Widget, Widget); | |||
| 152 | static Dimension GetMenuHeight(Widget); | |||
| 153 | static Widget FindMenu(Widget, String); | |||
| 154 | static SmeObject GetEventEntry(Widget, XEvent *); | |||
| 155 | static void MoveMenu(Widget, Position, Position); | |||
| 156 | ||||
| 157 | static XtActionsRec actionsList[] = | |||
| 158 | { | |||
| 159 | {"notify", Notify}, | |||
| 160 | {"highlight", Highlight}, | |||
| 161 | {"unhighlight", Unhighlight}, | |||
| 162 | {"popdown", Popdown} | |||
| 163 | }; | |||
| 164 | ||||
| 165 | static CompositeClassExtensionRec extension_rec = { | |||
| 166 | /* next_extension */ NULL((void*)0), | |||
| 167 | /* record_type */ NULLQUARK((XrmQuark) 0), | |||
| 168 | /* version */ XtCompositeExtensionVersion2L, | |||
| 169 | /* record_size */ sizeof(CompositeClassExtensionRec), | |||
| 170 | /* accepts_objects */ TRUE1, | |||
| 171 | }; | |||
| 172 | ||||
| 173 | #define superclass(&overrideShellClassRec) (&overrideShellClassRec) | |||
| 174 | ||||
| 175 | SimpleMenuClassRec simpleMenuClassRec = { | |||
| 176 | { | |||
| 177 | /* superclass */ (WidgetClass) superclass(&overrideShellClassRec), | |||
| 178 | /* class_name */ "SimpleMenu", | |||
| 179 | /* size */ sizeof(SimpleMenuRec), | |||
| 180 | /* class_initialize */ ClassInitialize, | |||
| 181 | /* class_part_initialize*/ ClassPartInitialize, | |||
| 182 | /* Class init'ed */ FALSE0, | |||
| 183 | /* initialize */ Initialize, | |||
| 184 | /* initialize_hook */ NULL((void*)0), | |||
| 185 | /* realize */ Realize, | |||
| 186 | /* actions */ actionsList, | |||
| 187 | /* num_actions */ XtNumber(actionsList)((Cardinal) (sizeof(actionsList) / sizeof(actionsList[0]))), | |||
| 188 | /* resources */ resources, | |||
| 189 | /* resource_count */ XtNumber(resources)((Cardinal) (sizeof(resources) / sizeof(resources[0]))), | |||
| 190 | /* xrm_class */ NULLQUARK((XrmQuark) 0), | |||
| 191 | /* compress_motion */ TRUE1, | |||
| 192 | /* compress_exposure */ TRUE1, | |||
| 193 | /* compress_enterleave*/ TRUE1, | |||
| 194 | /* visible_interest */ FALSE0, | |||
| 195 | /* destroy */ NULL((void*)0), | |||
| 196 | /* resize */ Resize, | |||
| 197 | /* expose */ Redisplay, | |||
| 198 | /* set_values */ SetValues, | |||
| 199 | /* set_values_hook */ SetValuesHook, | |||
| 200 | /* set_values_almost */ XtInheritSetValuesAlmost((XtAlmostProc) _XtInherit), | |||
| 201 | /* get_values_hook */ NULL((void*)0), | |||
| 202 | /* accept_focus */ NULL((void*)0), | |||
| 203 | /* intrinsics version */ XtVersion(11 * 1000 + 6), | |||
| 204 | /* callback offsets */ NULL((void*)0), | |||
| 205 | /* tm_table */ defaultTranslations, | |||
| 206 | /* query_geometry */ NULL((void*)0), | |||
| 207 | /* display_accelerator*/ NULL((void*)0), | |||
| 208 | /* extension */ NULL((void*)0) | |||
| 209 | },{ | |||
| 210 | /* geometry_manager */ GeometryManager, | |||
| 211 | /* change_managed */ ChangeManaged, | |||
| 212 | /* insert_child */ XtInheritInsertChild((XtWidgetProc) _XtInherit), | |||
| 213 | /* delete_child */ XtInheritDeleteChild((XtWidgetProc) _XtInherit), | |||
| 214 | /* extension */ NULL((void*)0) | |||
| 215 | },{ | |||
| 216 | /* Shell extension */ NULL((void*)0) | |||
| 217 | },{ | |||
| 218 | /* Override extension */ NULL((void*)0) | |||
| 219 | },{ | |||
| 220 | /* Simple Menu extension*/ NULL((void*)0) | |||
| 221 | } | |||
| 222 | }; | |||
| 223 | ||||
| 224 | WidgetClass simpleMenuWidgetClass = (WidgetClass)&simpleMenuClassRec; | |||
| 225 | ||||
| 226 | #define SMW_ARROW_SIZE8 8 | |||
| 227 | #define SMW_UNMAPPING0x01 0x01 | |||
| 228 | #define SMW_POPLEFT0x02 0x02 | |||
| 229 | ||||
| 230 | #define ForAllChildren(smw, childP)for ((childP) = (SmeObject *) (smw)->composite.children; ( childP) < (SmeObject *) ((smw)->composite.children + (smw )->composite.num_children); (childP)++) \ | |||
| 231 | for ((childP) = (SmeObject *) (smw)->composite.children; \ | |||
| 232 | (childP) < (SmeObject *) ((smw)->composite.children + \ | |||
| 233 | (smw)->composite.num_children); \ | |||
| 234 | (childP)++) | |||
| 235 | ||||
| 236 | /************************************************************ | |||
| 237 | * | |||
| 238 | * Semi-Public Functions. | |||
| 239 | * | |||
| 240 | ************************************************************/ | |||
| 241 | ||||
| 242 | /* Function Name: ClassInitialize | |||
| 243 | * Description: Class Initialize routine, called only once. | |||
| 244 | * Arguments: none. | |||
| 245 | * Returns: none. | |||
| 246 | */ | |||
| 247 | ||||
| 248 | static void | |||
| 249 | ClassInitialize(void) | |||
| 250 | { | |||
| 251 | XawInitializeWidgetSet(); | |||
| 252 | XtAddConverter( XtRString((char*)&XtStrings[1797]), XtRBackingStore"BackingStore", XmuCvtStringToBackingStore, | |||
| 253 | (XtConvertArgList)NULL((void*)0), (Cardinal)0 ); | |||
| 254 | XmuAddInitializer( AddPositionAction, NULL((void*)0)); | |||
| 255 | } | |||
| 256 | ||||
| 257 | /* Function Name: ClassInitialize | |||
| 258 | * Description: Class Part Initialize routine, called for every | |||
| 259 | * subclass. Makes sure that the subclasses pick up | |||
| 260 | * the extension record. | |||
| 261 | * Arguments: wc - the widget class of the subclass. | |||
| 262 | * Returns: none. | |||
| 263 | */ | |||
| 264 | ||||
| 265 | static void | |||
| 266 | ClassPartInitialize(WidgetClass wc) | |||
| 267 | { | |||
| 268 | SimpleMenuWidgetClass smwc = (SimpleMenuWidgetClass) wc; | |||
| 269 | ||||
| 270 | /* | |||
| 271 | * Make sure that our subclass gets the extension rec too. | |||
| 272 | */ | |||
| 273 | ||||
| 274 | extension_rec.next_extension = smwc->composite_class.extension; | |||
| 275 | smwc->composite_class.extension = (XtPointer) &extension_rec; | |||
| 276 | } | |||
| 277 | ||||
| 278 | /* Function Name: Initialize | |||
| 279 | * Description: Initializes the simple menu widget | |||
| 280 | * Arguments: request - the widget requested by the argument list. | |||
| 281 | * new - the new widget with both resource and non | |||
| 282 | * resource values. | |||
| 283 | * Returns: none. | |||
| 284 | */ | |||
| 285 | ||||
| 286 | /* ARGSUSED */ | |||
| 287 | static void | |||
| 288 | Initialize(Widget request, Widget new, ArgList args, Cardinal *num_args) | |||
| 289 | { | |||
| 290 | SimpleMenuWidget smw = (SimpleMenuWidget) new; | |||
| 291 | ||||
| 292 | XmuCallInitializers(XtWidgetToApplicationContext(new)); | |||
| 293 | ||||
| 294 | smw->simple_menu.label = NULL((void*)0); | |||
| 295 | smw->simple_menu.entry_set = NULL((void*)0); | |||
| 296 | smw->simple_menu.recursive_set_values = FALSE0; | |||
| 297 | smw->simple_menu.first_entry = NULL((void*)0); | |||
| 298 | smw->simple_menu.current_first = NULL((void*)0); | |||
| 299 | smw->simple_menu.first_y = 0; | |||
| 300 | smw->simple_menu.too_tall = FALSE0; | |||
| 301 | smw->simple_menu.sub_menu = NULL((void*)0); | |||
| 302 | smw->simple_menu.state = 0; | |||
| 303 | ||||
| 304 | XtAddCallback(new, XtNpopupCallback((char*)&XtStrings[534]), PopupCB, NULL((void*)0)); | |||
| 305 | ||||
| 306 | if (smw->simple_menu.label_class == NULL((void*)0)) | |||
| 307 | smw->simple_menu.label_class = smeBSBObjectClass; | |||
| 308 | ||||
| 309 | if (smw->simple_menu.label_string != NULL((void*)0)) | |||
| 310 | CreateLabel(new); | |||
| 311 | ||||
| 312 | /* GetMenuHeight() needs this */ | |||
| 313 | smw->simple_menu.threeD = XtVaCreateWidget("threeD", threeDWidgetClass, | |||
| 314 | new, | |||
| 315 | XtNx((char*)&XtStrings[885]), 0, XtNy((char*)&XtStrings[887]), 0, XtNwidth((char*)&XtStrings[872]), /* dummy */ 10, XtNheight((char*)&XtStrings[234]), /* dummy */ 10, | |||
| 316 | NULL((void*)0)); | |||
| 317 | ||||
| 318 | smw->simple_menu.menu_width = TRUE1; | |||
| 319 | ||||
| 320 | if (smw->core.width == 0) { | |||
| 321 | smw->simple_menu.menu_width = FALSE0; | |||
| 322 | smw->core.width = GetMenuWidth(new, (Widget)NULL((void*)0)); | |||
| 323 | } | |||
| 324 | ||||
| 325 | smw->simple_menu.menu_height = TRUE1; | |||
| 326 | ||||
| 327 | if (smw->core.height == 0) { | |||
| 328 | smw->simple_menu.menu_height = FALSE0; | |||
| 329 | smw->core.height = GetMenuHeight(new); | |||
| 330 | } | |||
| 331 | ||||
| 332 | /* add a popup_callback routine for changing the cursor */ | |||
| 333 | XtAddCallback(new, XtNpopupCallback((char*)&XtStrings[534]), ChangeCursorOnGrab, (XtPointer)NULL((void*)0)); | |||
| 334 | } | |||
| 335 | ||||
| 336 | /* Function Name: Redisplay | |||
| 337 | * Description: Redisplays the contents of the widget. | |||
| 338 | * Arguments: w - the simple menu widget. | |||
| 339 | * event - the X event that caused this redisplay. | |||
| 340 | * region - the region the needs to be repainted. | |||
| 341 | * Returns: none. | |||
| 342 | */ | |||
| 343 | ||||
| 344 | /* ARGSUSED */ | |||
| 345 | static void | |||
| 346 | Redisplay(Widget w, XEvent * event, Region region) | |||
| 347 | { | |||
| 348 | SimpleMenuWidget smw = (SimpleMenuWidget)w; | |||
| 349 | SmeObject *entry; | |||
| 350 | SmeObjectClass class; | |||
| 351 | ThreeDWidget tdw = (ThreeDWidget)smw->simple_menu.threeD; | |||
| 352 | RectObjPart old_pos; | |||
| 353 | int y, max_y, new_y, dy, s = tdw->threeD.shadow_width; | |||
| 354 | Boolean can_paint; | |||
| 355 | XPoint point[3]; | |||
| 356 | ||||
| 357 | if (region == NULL((void*)0)) | |||
| 358 | XClearWindow(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window)); | |||
| 359 | ||||
| 360 | if (XtIsRealized((Widget)smw)(XtWindowOfObject((Widget)smw) != 0L)) | |||
| 361 | _ShadowSurroundedBox((Widget)smw, tdw, | |||
| 362 | 0, 0, smw->core.width, smw->core.height, | |||
| 363 | tdw->threeD.relief, True1); | |||
| 364 | ||||
| 365 | smw->simple_menu.didnt_fit = False0; | |||
| 366 | y = 0; | |||
| 367 | max_y = HeightOfScreen(XtScreen(w))((((w)->core.screen))->height) - s; | |||
| 368 | new_y = -(*(SmeObject *)(smw)->composite.children)->rectangle.y; | |||
| 369 | can_paint = False0; | |||
| 370 | ||||
| 371 | /* check and paint each of the entries - including the label */ | |||
| 372 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) | |||
| 373 | { | |||
| 374 | if (!XtIsManaged((Widget)*entry)) continue; | |||
| 375 | ||||
| 376 | if (smw->simple_menu.first_entry == NULL((void*)0)) | |||
| 377 | { | |||
| 378 | smw->simple_menu.first_entry = entry; | |||
| 379 | smw->simple_menu.current_first = entry; | |||
| 380 | } | |||
| 381 | ||||
| 382 | if (smw->simple_menu.too_tall) | |||
| 383 | { | |||
| 384 | dy = 0; | |||
| 385 | ||||
| 386 | if (entry == (smw->simple_menu.current_first)) | |||
| 387 | { | |||
| 388 | new_y = (*entry)->rectangle.y - 1; | |||
| 389 | ||||
| 390 | if (smw->simple_menu.current_first != smw->simple_menu.first_entry) | |||
| 391 | { | |||
| 392 | point[0].x = (*entry)->rectangle.width / 2; | |||
| 393 | point[0].y = s + 1; | |||
| 394 | point[1].x = (*entry)->rectangle.width / 2 - SMW_ARROW_SIZE8 / 2; | |||
| 395 | point[1].y = s + SMW_ARROW_SIZE8; | |||
| 396 | point[2].x = (*entry)->rectangle.width / 2 + SMW_ARROW_SIZE8 / 2; | |||
| 397 | point[2].y = s + SMW_ARROW_SIZE8; | |||
| 398 | XFillPolygon(XtDisplay(w)(((w)->core.screen)->display), smw->core.window, | |||
| 399 | tdw->threeD.bot_shadow_GC, point, 3, Convex2, | |||
| 400 | CoordModeOrigin0); | |||
| 401 | ||||
| 402 | new_y -= SMW_ARROW_SIZE8; | |||
| 403 | dy = SMW_ARROW_SIZE8; | |||
| 404 | } | |||
| 405 | ||||
| 406 | smw->simple_menu.first_y = new_y; | |||
| 407 | can_paint = True1; | |||
| 408 | } | |||
| 409 | else if (!can_paint) | |||
| 410 | continue; | |||
| 411 | ||||
| 412 | old_pos = (*entry)->rectangle; | |||
| 413 | (*entry)->rectangle.y -= new_y; | |||
| 414 | ||||
| 415 | if ((*entry)->rectangle.y + (*entry)->rectangle.height + dy > max_y) | |||
| 416 | { | |||
| 417 | smw->simple_menu.last_y = (*entry)->rectangle.y; | |||
| 418 | point[0].x = (*entry)->rectangle.width / 2; | |||
| 419 | point[0].y = max_y - 1; | |||
| 420 | point[1].x = (*entry)->rectangle.width / 2 - SMW_ARROW_SIZE8 / 2; | |||
| 421 | point[1].y = max_y - SMW_ARROW_SIZE8; | |||
| 422 | point[2].x = (*entry)->rectangle.width / 2 + SMW_ARROW_SIZE8 / 2; | |||
| 423 | point[2].y = max_y - SMW_ARROW_SIZE8; | |||
| 424 | XFillPolygon(XtDisplay(w)(((w)->core.screen)->display), smw->core.window, | |||
| 425 | tdw->threeD.bot_shadow_GC, point, 3, Convex2, | |||
| 426 | CoordModeOrigin0); | |||
| 427 | ||||
| 428 | smw->simple_menu.didnt_fit = True1; | |||
| 429 | (*entry)->rectangle = old_pos; | |||
| 430 | break; | |||
| 431 | } | |||
| 432 | } | |||
| 433 | ||||
| 434 | /* | |||
| 435 | if (region != NULL) | |||
| 436 | switch (XRectInRegion(region, | |||
| 437 | (int)(*entry)->rectangle.x, (int)(*entry)->rectangle.y, | |||
| 438 | (unsigned int)(*entry)->rectangle.width, | |||
| 439 | (unsigned int)(*entry)->rectangle.height)) | |||
| 440 | { | |||
| 441 | case RectangleIn: | |||
| 442 | case RectanglePart: | |||
| 443 | break; | |||
| 444 | default: | |||
| 445 | continue; | |||
| 446 | } | |||
| 447 | */ | |||
| 448 | ||||
| 449 | class = (SmeObjectClass)(*entry)->object.widget_class; | |||
| 450 | ||||
| 451 | if (class->rect_class.expose != NULL((void*)0)) | |||
| 452 | (class->rect_class.expose)((Widget)*entry, NULL((void*)0), NULL((void*)0)); | |||
| 453 | ||||
| 454 | if (smw->simple_menu.too_tall) (*entry)->rectangle = old_pos; | |||
| 455 | ||||
| 456 | y += (*entry)->rectangle.height; | |||
| 457 | } | |||
| 458 | } | |||
| 459 | ||||
| 460 | /* Function Name: Realize | |||
| 461 | * Description: Realizes the widget. | |||
| 462 | * Arguments: w - the simple menu widget. | |||
| 463 | * mask - value mask for the window to create. | |||
| 464 | * attrs - attributes for the window to create. | |||
| 465 | * Returns: none | |||
| 466 | */ | |||
| 467 | ||||
| 468 | static void | |||
| 469 | Realize(Widget w, XtValueMask * mask, XSetWindowAttributes * attrs) | |||
| 470 | { | |||
| 471 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 472 | ||||
| 473 | attrs->cursor = smw->simple_menu.cursor; | |||
| 474 | *mask |= CWCursor(1L<<14); | |||
| 475 | if ((smw->simple_menu.backing_store == Always2) || | |||
| 476 | (smw->simple_menu.backing_store == NotUseful0) || | |||
| 477 | (smw->simple_menu.backing_store == WhenMapped1) ) { | |||
| 478 | *mask |= CWBackingStore(1L<<6); | |||
| 479 | attrs->backing_store = smw->simple_menu.backing_store; | |||
| 480 | } | |||
| 481 | else | |||
| 482 | *mask &= ~CWBackingStore(1L<<6); | |||
| 483 | ||||
| 484 | /* check if the menu is too big */ | |||
| 485 | if (smw->core.height >= HeightOfScreen(XtScreen(w))((((w)->core.screen))->height)) { | |||
| 486 | smw->simple_menu.too_tall = TRUE1; | |||
| 487 | smw->core.height = HeightOfScreen(XtScreen(w))((((w)->core.screen))->height); | |||
| 488 | } | |||
| 489 | ||||
| 490 | (*superclass(&overrideShellClassRec)->core_class.realize) (w, mask, attrs); | |||
| 491 | } | |||
| 492 | ||||
| 493 | /* Function Name: Resize | |||
| 494 | * Description: Handle the menu being resized. | |||
| 495 | * Arguments: w - the simple menu widget or any of its object children. | |||
| 496 | * Returns: none. | |||
| 497 | */ | |||
| 498 | ||||
| 499 | static void | |||
| 500 | Resize(Widget w) | |||
| 501 | { | |||
| 502 | /* | |||
| 503 | * The sole purpose of this function is to force an initial | |||
| 504 | * layout by handling a call from some child widget. Ick. | |||
| 505 | */ | |||
| 506 | ||||
| 507 | if (XtIsSubclass(w, smeBSBObjectClass)) | |||
| 508 | { | |||
| 509 | Widget parent = XtParent(w)((w)->core.parent); | |||
| 510 | ||||
| 511 | if (!XtIsRealized(parent)(XtWindowOfObject(parent) != 0L)) | |||
| 512 | XtRealizeWidget(parent); | |||
| 513 | ||||
| 514 | Layout(w, (Dimension *)NULL((void*)0), (Dimension *)NULL((void*)0)); | |||
| 515 | } | |||
| 516 | } | |||
| 517 | ||||
| 518 | /* Function Name: SetValues | |||
| 519 | * Description: Relayout the menu when one of the resources is changed. | |||
| 520 | * Arguments: current - current state of the widget. | |||
| 521 | * request - what was requested. | |||
| 522 | * new - what the widget will become. | |||
| 523 | * Returns: none | |||
| 524 | */ | |||
| 525 | ||||
| 526 | /* ARGSUSED */ | |||
| 527 | static Boolean | |||
| 528 | SetValues(Widget current, Widget request, Widget new, ArgList args, Cardinal *num_args) | |||
| 529 | { | |||
| 530 | SimpleMenuWidget smw_old = (SimpleMenuWidget) current; | |||
| 531 | SimpleMenuWidget smw_new = (SimpleMenuWidget) new; | |||
| 532 | Boolean ret_val = FALSE0, layout = FALSE0; | |||
| 533 | ||||
| 534 | if (!XtIsRealized(current)(XtWindowOfObject(current) != 0L)) return(FALSE0); | |||
| ||||
| 535 | ||||
| 536 | if (!smw_new->simple_menu.recursive_set_values) { | |||
| 537 | if (smw_new->core.width != smw_old->core.width) { | |||
| 538 | smw_new->simple_menu.menu_width = (smw_new->core.width != 0); | |||
| 539 | layout = TRUE1; | |||
| 540 | } | |||
| 541 | if (smw_new->core.height != smw_old->core.height) { | |||
| 542 | smw_new->simple_menu.menu_height = (smw_new->core.height != 0); | |||
| 543 | layout = TRUE1; | |||
| 544 | } | |||
| 545 | } | |||
| 546 | ||||
| 547 | if (smw_old->simple_menu.cursor != smw_new->simple_menu.cursor) | |||
| 548 | XDefineCursor(XtDisplay(new)(((new)->core.screen)->display), | |||
| 549 | XtWindow(new)((new)->core.window), smw_new->simple_menu.cursor); | |||
| 550 | ||||
| 551 | if (smw_old->simple_menu.label_string !=smw_new->simple_menu.label_string) { | |||
| 552 | if (smw_new->simple_menu.label_string == NULL((void*)0)) /* Destroy. */ | |||
| 553 | XtDestroyWidget((Widget) smw_old->simple_menu.label); | |||
| 554 | else if (smw_old->simple_menu.label_string == NULL((void*)0)) /* Create. */ | |||
| 555 | CreateLabel(new); | |||
| 556 | else { /* Change. */ | |||
| 557 | Arg arglist[1]; | |||
| 558 | ||||
| 559 | XtSetArg(arglist[0], XtNlabel, smw_new->simple_menu.label_string)((void)( (arglist[0]).name = (((char*)&XtStrings[429])), ( arglist[0]).value = (XtArgVal)(smw_new->simple_menu.label_string ) )); | |||
| 560 | XtSetValues((Widget) smw_new->simple_menu.label, arglist, ONE((Cardinal)1)); | |||
| 561 | } | |||
| 562 | } | |||
| 563 | ||||
| 564 | if (smw_old->simple_menu.label_class != smw_new->simple_menu.label_class) | |||
| 565 | XtAppWarning(XtWidgetToApplicationContext(new), | |||
| 566 | "No Dynamic class change of the SimpleMenu Label."); | |||
| 567 | ||||
| 568 | if ((smw_old->simple_menu.top_margin != smw_new->simple_menu.top_margin) || | |||
| 569 | (smw_old->simple_menu.bottom_margin != | |||
| 570 | smw_new->simple_menu.bottom_margin) /* filler................. */ ) { | |||
| 571 | layout = TRUE1; | |||
| 572 | ret_val = TRUE1; | |||
| 573 | } | |||
| 574 | ||||
| 575 | if (smw_old->simple_menu.left_whitespace != smw_new->simple_menu.left_whitespace) { | |||
| 576 | layout = TRUE1; | |||
| 577 | ret_val = TRUE1; | |||
| 578 | } | |||
| 579 | ||||
| 580 | if (smw_old->simple_menu.right_whitespace != smw_new->simple_menu.right_whitespace) { | |||
| 581 | layout = TRUE1; | |||
| 582 | ret_val = TRUE1; | |||
| 583 | } | |||
| 584 | ||||
| 585 | if (layout) | |||
| 586 | Layout(new, (Dimension *)NULL((void*)0), (Dimension *)NULL((void*)0)); | |||
| 587 | ||||
| 588 | return(ret_val); | |||
| 589 | } | |||
| 590 | ||||
| 591 | /* Function Name: SetValuesHook | |||
| 592 | * Description: To handle a special case, this is passed the | |||
| 593 | * actual arguments. | |||
| 594 | * Arguments: w - the menu widget. | |||
| 595 | * arglist - the argument list passed to XtSetValues. | |||
| 596 | * num_args - the number of args. | |||
| 597 | * Returns: none | |||
| 598 | */ | |||
| 599 | ||||
| 600 | /* | |||
| 601 | * If the user actually passed a width and height to the widget | |||
| 602 | * then this MUST be used, rather than our newly calculated width and | |||
| 603 | * height. | |||
| 604 | */ | |||
| 605 | ||||
| 606 | static Boolean | |||
| 607 | SetValuesHook(Widget w, ArgList arglist, Cardinal *num_args) | |||
| 608 | { | |||
| 609 | Cardinal i; | |||
| 610 | Dimension width, height; | |||
| 611 | ||||
| 612 | width = w->core.width; | |||
| 613 | height = w->core.height; | |||
| 614 | ||||
| 615 | for ( i = 0 ; i < *num_args ; i++) { | |||
| 616 | if ( streq(arglist[i].name, XtNwidth)( strcmp((arglist[i].name), (((char*)&XtStrings[872]))) == 0 ) ) | |||
| 617 | width = (Dimension) arglist[i].value; | |||
| 618 | if ( streq(arglist[i].name, XtNheight)( strcmp((arglist[i].name), (((char*)&XtStrings[234]))) == 0 ) ) | |||
| 619 | height = (Dimension) arglist[i].value; | |||
| 620 | } | |||
| 621 | ||||
| 622 | if ((width != w->core.width) || (height != w->core.height)) | |||
| 623 | MakeSetValuesRequest(w, width, height); | |||
| 624 | return(FALSE0); | |||
| 625 | } | |||
| 626 | ||||
| 627 | /************************************************************ | |||
| 628 | * | |||
| 629 | * Geometry Management routines. | |||
| 630 | * | |||
| 631 | ************************************************************/ | |||
| 632 | ||||
| 633 | /* Function Name: GeometryManager | |||
| 634 | * Description: This is the SimpleMenu Widget's Geometry Manager. | |||
| 635 | * Arguments: w - the Menu Entry making the request. | |||
| 636 | * request - requested new geometry. | |||
| 637 | * reply - the allowed geometry. | |||
| 638 | * Returns: XtGeometry{Yes, No, Almost}. | |||
| 639 | */ | |||
| 640 | ||||
| 641 | static XtGeometryResult | |||
| 642 | GeometryManager(Widget w, XtWidgetGeometry * request, XtWidgetGeometry * reply) | |||
| 643 | { | |||
| 644 | SimpleMenuWidget smw = (SimpleMenuWidget) XtParent(w)((w)->core.parent); | |||
| 645 | SmeObject entry = (SmeObject) w; | |||
| 646 | XtGeometryMask mode = request->request_mode; | |||
| 647 | XtGeometryResult answer; | |||
| 648 | Dimension old_height, old_width; | |||
| 649 | ||||
| 650 | if ( !(mode & CWWidth(1<<2)) && !(mode & CWHeight(1<<3)) ) | |||
| 651 | return(XtGeometryNo); | |||
| 652 | ||||
| 653 | reply->width = request->width; | |||
| 654 | reply->height = request->height; | |||
| 655 | ||||
| 656 | old_width = entry->rectangle.width; | |||
| 657 | old_height = entry->rectangle.height; | |||
| 658 | ||||
| 659 | Layout(w, &(reply->width), &(reply->height) ); | |||
| 660 | ||||
| 661 | /* | |||
| 662 | * Since we are an override shell and have no parent there is no one to | |||
| 663 | * ask to see if this geom change is okay, so I am just going to assume | |||
| 664 | * we can do whatever we want. If you subclass be very careful with this | |||
| 665 | * assumption, it could bite you. | |||
| 666 | * | |||
| 667 | * Chris D. Peterson - Sept. 1989. | |||
| 668 | */ | |||
| 669 | ||||
| 670 | if ( (reply->width == request->width) && | |||
| 671 | (reply->height == request->height) ) { | |||
| 672 | ||||
| 673 | if ( mode & XtCWQueryOnly(1 << 7) ) { | |||
| 674 | entry->rectangle.width = old_width; | |||
| 675 | entry->rectangle.height = old_height; | |||
| 676 | } | |||
| 677 | else { | |||
| 678 | /* Actually perform the layout */ | |||
| 679 | Layout(( Widget) smw, (Dimension *)NULL((void*)0), (Dimension *)NULL((void*)0)); | |||
| 680 | } | |||
| 681 | answer = XtGeometryDone; | |||
| 682 | } | |||
| 683 | else { | |||
| 684 | entry->rectangle.width = old_width; | |||
| 685 | entry->rectangle.height = old_height; | |||
| 686 | ||||
| 687 | if ( ((reply->width == request->width) && !(mode & CWHeight(1<<3))) || | |||
| 688 | ((reply->height == request->height) && !(mode & CWWidth(1<<2))) || | |||
| 689 | ((reply->width == request->width) && | |||
| 690 | (reply->height == request->height)) ) | |||
| 691 | answer = XtGeometryNo; | |||
| 692 | else { | |||
| 693 | answer = XtGeometryAlmost; | |||
| 694 | reply->request_mode = 0; | |||
| 695 | if (reply->width != request->width) | |||
| 696 | reply->request_mode |= CWWidth(1<<2); | |||
| 697 | if (reply->height != request->height) | |||
| 698 | reply->request_mode |= CWHeight(1<<3); | |||
| 699 | } | |||
| 700 | } | |||
| 701 | return(answer); | |||
| 702 | } | |||
| 703 | ||||
| 704 | /* Function Name: ChangeManaged | |||
| 705 | * Description: called whenever a new child is managed. | |||
| 706 | * Arguments: w - the simple menu widget. | |||
| 707 | * Returns: none. | |||
| 708 | */ | |||
| 709 | ||||
| 710 | static void | |||
| 711 | ChangeManaged(Widget w) | |||
| 712 | { | |||
| 713 | Layout(w, (Dimension *)NULL((void*)0), (Dimension *)NULL((void*)0)); | |||
| 714 | } | |||
| 715 | ||||
| 716 | /************************************************************ | |||
| 717 | * | |||
| 718 | * Global Action Routines. | |||
| 719 | * | |||
| 720 | * These actions routines will be added to the application's | |||
| 721 | * global action list. | |||
| 722 | * | |||
| 723 | ************************************************************/ | |||
| 724 | ||||
| 725 | /* Function Name: PositionMenuAction | |||
| 726 | * Description: Positions the simple menu widget. | |||
| 727 | * Arguments: w - a widget (no the simple menu widget.) | |||
| 728 | * event - the event that caused this action. | |||
| 729 | * params, num_params - parameters passed to the routine. | |||
| 730 | * we expect the name of the menu here. | |||
| 731 | * Returns: none | |||
| 732 | */ | |||
| 733 | ||||
| 734 | /* ARGSUSED */ | |||
| 735 | static void | |||
| 736 | PositionMenuAction(Widget w, XEvent * event, String * params, Cardinal * num_params) | |||
| 737 | { | |||
| 738 | Widget menu; | |||
| 739 | XPoint loc; | |||
| 740 | ||||
| 741 | if (*num_params != 1) { | |||
| 742 | char error_buf[BUFSIZ1024]; | |||
| 743 | (void) sprintf(error_buf, "%s %s",__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "%s %s", "Xaw - SimpleMenuWidget: position menu action expects only one" , "parameter which is the name of the menu.") | |||
| 744 | "Xaw - SimpleMenuWidget: position menu action expects only one",__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "%s %s", "Xaw - SimpleMenuWidget: position menu action expects only one" , "parameter which is the name of the menu.") | |||
| 745 | "parameter which is the name of the menu.")__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "%s %s", "Xaw - SimpleMenuWidget: position menu action expects only one" , "parameter which is the name of the menu."); | |||
| 746 | XtAppWarning(XtWidgetToApplicationContext(w), error_buf); | |||
| 747 | return; | |||
| 748 | } | |||
| 749 | ||||
| 750 | if ( (menu = FindMenu(w, params[0])) == NULL((void*)0)) { | |||
| 751 | char error_buf[BUFSIZ1024]; | |||
| 752 | (void) sprintf(error_buf, "%s '%s'",__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "%s '%s'", "Xaw - SimpleMenuWidget: could not find menu named: " , params[0]) | |||
| 753 | "Xaw - SimpleMenuWidget: could not find menu named: ", params[0])__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "%s '%s'", "Xaw - SimpleMenuWidget: could not find menu named: " , params[0]); | |||
| 754 | XtAppWarning(XtWidgetToApplicationContext(w), error_buf); | |||
| 755 | return; | |||
| 756 | } | |||
| 757 | ||||
| 758 | switch (event->type) { | |||
| 759 | case ButtonPress4: | |||
| 760 | case ButtonRelease5: | |||
| 761 | loc.x = event->xbutton.x_root; | |||
| 762 | loc.y = event->xbutton.y_root; | |||
| 763 | PositionMenu(menu, &loc); | |||
| 764 | break; | |||
| 765 | case EnterNotify7: | |||
| 766 | case LeaveNotify8: | |||
| 767 | loc.x = event->xcrossing.x_root; | |||
| 768 | loc.y = event->xcrossing.y_root; | |||
| 769 | PositionMenu(menu, &loc); | |||
| 770 | break; | |||
| 771 | case MotionNotify6: | |||
| 772 | loc.x = event->xmotion.x_root; | |||
| 773 | loc.y = event->xmotion.y_root; | |||
| 774 | PositionMenu(menu, &loc); | |||
| 775 | break; | |||
| 776 | default: | |||
| 777 | PositionMenu(menu, (XPoint *)NULL((void*)0)); | |||
| 778 | break; | |||
| 779 | } | |||
| 780 | } | |||
| 781 | ||||
| 782 | /************************************************************ | |||
| 783 | * | |||
| 784 | * Widget Action Routines. | |||
| 785 | * | |||
| 786 | ************************************************************/ | |||
| 787 | ||||
| 788 | /* Function Name: Unhighlight | |||
| 789 | * Description: Unhighlights current entry. | |||
| 790 | * Arguments: w - the simple menu widget. | |||
| 791 | * event - the event that caused this action. | |||
| 792 | * params, num_params - ** NOT USED ** | |||
| 793 | * Returns: none | |||
| 794 | */ | |||
| 795 | ||||
| 796 | /* ARGSUSED */ | |||
| 797 | static void | |||
| 798 | Unhighlight(Widget w, XEvent * event, String * params, Cardinal * num_params) | |||
| 799 | { | |||
| 800 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 801 | SimpleMenuWidget sub = (SimpleMenuWidget) smw->simple_menu.sub_menu; | |||
| 802 | SmeObject entry = smw->simple_menu.entry_set; | |||
| 803 | SmeObjectClass class; | |||
| 804 | int old_pos; | |||
| 805 | ||||
| 806 | if (entry == NULL((void*)0) || entry == GetEventEntry(w, event)) { | |||
| 807 | smw->simple_menu.entry_set = NULL((void*)0); | |||
| 808 | PopdownSubMenu(smw); | |||
| 809 | return; | |||
| 810 | } | |||
| 811 | ||||
| 812 | if (event->xcrossing.y < 0 || event->xcrossing.y >= (int)smw->core.height) | |||
| 813 | PopdownSubMenu(smw); | |||
| 814 | else if (sub && | |||
| 815 | ((event->xcrossing.x < 0 && | |||
| 816 | !(sub->simple_menu.state & SMW_POPLEFT0x02)) || | |||
| 817 | (event->xcrossing.x >= (int)smw->core.width && | |||
| 818 | (sub->simple_menu.state & SMW_POPLEFT0x02)))) | |||
| 819 | PopdownSubMenu(smw); | |||
| 820 | ||||
| 821 | smw->simple_menu.entry_set = NULL((void*)0); | |||
| 822 | class = (SmeObjectClass) entry->object.widget_class; | |||
| 823 | ||||
| 824 | /* backup, then restore, original entry position */ | |||
| 825 | old_pos = entry->rectangle.y; | |||
| 826 | entry->rectangle.y -= smw->simple_menu.first_y; | |||
| 827 | ||||
| 828 | (class->sme_class.unhighlight) ((Widget) entry); | |||
| 829 | ||||
| 830 | entry->rectangle.y = old_pos; | |||
| 831 | } | |||
| 832 | ||||
| 833 | /* Function Name: Highlight | |||
| 834 | * Description: Highlights current entry. | |||
| 835 | * Arguments: w - the simple menu widget. | |||
| 836 | * event - the event that caused this action. | |||
| 837 | * params, num_params - ** NOT USED ** | |||
| 838 | * Returns: none | |||
| 839 | */ | |||
| 840 | ||||
| 841 | /* ARGSUSED */ | |||
| 842 | static void | |||
| 843 | Highlight(Widget w, XEvent * event, String * params, Cardinal * num_params) | |||
| 844 | { | |||
| 845 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 846 | SmeObject entry; | |||
| 847 | SmeObjectClass class; | |||
| 848 | int old_pos; | |||
| 849 | ||||
| 850 | if (!XtIsSensitive(w)) return; | |||
| 851 | ||||
| 852 | entry = GetEventEntry(w, event); | |||
| 853 | if (entry == smw->simple_menu.entry_set) | |||
| 854 | return; | |||
| 855 | ||||
| 856 | PopdownSubMenu(smw); | |||
| 857 | Unhighlight(w, event, params, num_params); | |||
| 858 | ||||
| 859 | if (entry == NULL((void*)0)) | |||
| 860 | return; | |||
| 861 | if (!XtIsSensitive((Widget) entry)) { | |||
| 862 | smw->simple_menu.entry_set = NULL((void*)0); | |||
| 863 | return; | |||
| 864 | } | |||
| 865 | ||||
| 866 | if (!(smw->simple_menu.state & SMW_UNMAPPING0x01)) { | |||
| 867 | smw->simple_menu.entry_set = entry; | |||
| 868 | class = (SmeObjectClass) entry->object.widget_class; | |||
| 869 | ||||
| 870 | /* backup, then restore, original entry position */ | |||
| 871 | old_pos = entry->rectangle.y; | |||
| 872 | entry->rectangle.y -= smw->simple_menu.first_y; | |||
| 873 | ||||
| 874 | (class->sme_class.highlight) ((Widget) entry); | |||
| 875 | if (XtIsSubclass((Widget)entry, smeBSBObjectClass)) | |||
| 876 | PopupSubMenu(smw); | |||
| 877 | ||||
| 878 | entry->rectangle.y = old_pos; | |||
| 879 | } | |||
| 880 | } | |||
| 881 | ||||
| 882 | /* Function Name: Notify | |||
| 883 | * Description: Notify user of current entry. | |||
| 884 | * Arguments: w - the simple menu widget. | |||
| 885 | * event - the event that caused this action. | |||
| 886 | * params, num_params - ** NOT USED ** | |||
| 887 | * Returns: none | |||
| 888 | */ | |||
| 889 | ||||
| 890 | /* ARGSUSED */ | |||
| 891 | static void | |||
| 892 | Notify(Widget w, XEvent * event, String * params, Cardinal * num_params) | |||
| 893 | { | |||
| 894 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 895 | SmeObject entry = smw->simple_menu.entry_set; | |||
| 896 | SmeObjectClass class; | |||
| 897 | ||||
| 898 | if ( (entry == NULL((void*)0)) || !XtIsSensitive((Widget) entry ) ) return; | |||
| 899 | ||||
| 900 | class = (SmeObjectClass) entry->object.widget_class; | |||
| 901 | (class->sme_class.notify)( (Widget) entry ); | |||
| 902 | } | |||
| 903 | ||||
| 904 | /************************************************************ | |||
| 905 | * | |||
| 906 | * Public Functions. | |||
| 907 | * | |||
| 908 | ************************************************************/ | |||
| 909 | ||||
| 910 | /* Function Name: XawSimpleMenuAddGlobalActions | |||
| 911 | * Description: adds the global actions to the simple menu widget. | |||
| 912 | * Arguments: app_con - the appcontext. | |||
| 913 | * Returns: none. | |||
| 914 | */ | |||
| 915 | ||||
| 916 | void | |||
| 917 | XawSimpleMenuAddGlobalActions(XtAppContext app_con) | |||
| 918 | { | |||
| 919 | XtInitializeWidgetClass(simpleMenuWidgetClass); | |||
| 920 | XmuCallInitializers( app_con ); | |||
| 921 | } | |||
| 922 | ||||
| 923 | ||||
| 924 | /* Function Name: XawSimpleMenuGetActiveEntry | |||
| 925 | * Description: Gets the currently active (set) entry. | |||
| 926 | * Arguments: w - the smw widget. | |||
| 927 | * Returns: the currently set entry or NULL if none is set. | |||
| 928 | */ | |||
| 929 | ||||
| 930 | Widget | |||
| 931 | XawSimpleMenuGetActiveEntry(Widget w) | |||
| 932 | { | |||
| 933 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 934 | ||||
| 935 | return( (Widget) smw->simple_menu.entry_set); | |||
| 936 | } | |||
| 937 | ||||
| 938 | /* Function Name: XawSimpleMenuClearActiveEntry | |||
| 939 | * Description: Unsets the currently active (set) entry. | |||
| 940 | * Arguments: w - the smw widget. | |||
| 941 | * Returns: none. | |||
| 942 | */ | |||
| 943 | ||||
| 944 | void | |||
| 945 | XawSimpleMenuClearActiveEntry(Widget w) | |||
| 946 | { | |||
| 947 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 948 | ||||
| 949 | smw->simple_menu.entry_set = NULL((void*)0); | |||
| 950 | } | |||
| 951 | ||||
| 952 | /************************************************************ | |||
| 953 | * | |||
| 954 | * Private Functions. | |||
| 955 | * | |||
| 956 | ************************************************************/ | |||
| 957 | ||||
| 958 | /* Function Name: CreateLabel | |||
| 959 | * Description: Creates a the menu label. | |||
| 960 | * Arguments: w - the smw widget. | |||
| 961 | * Returns: none. | |||
| 962 | * | |||
| 963 | * Creates the label object and makes sure it is the first child in | |||
| 964 | * in the list. | |||
| 965 | */ | |||
| 966 | ||||
| 967 | static void | |||
| 968 | CreateLabel(Widget w) | |||
| 969 | { | |||
| 970 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 971 | Widget * child, * next_child; | |||
| 972 | int i; | |||
| 973 | Arg args[2]; | |||
| 974 | ||||
| 975 | if ( (smw->simple_menu.label_string == NULL((void*)0)) || | |||
| 976 | (smw->simple_menu.label != NULL((void*)0)) ) { | |||
| 977 | char error_buf[BUFSIZ1024]; | |||
| 978 | ||||
| 979 | (void) sprintf(error_buf, "Xaw Simple Menu Widget: %s or %s, %s",__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "Xaw Simple Menu Widget: %s or %s, %s" , "label string is NULL", "label already exists", "no label is being created." ) | |||
| 980 | "label string is NULL", "label already exists",__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "Xaw Simple Menu Widget: %s or %s, %s" , "label string is NULL", "label already exists", "no label is being created." ) | |||
| 981 | "no label is being created.")__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "Xaw Simple Menu Widget: %s or %s, %s" , "label string is NULL", "label already exists", "no label is being created." ); | |||
| 982 | XtAppWarning(XtWidgetToApplicationContext(w), error_buf); | |||
| 983 | return; | |||
| 984 | } | |||
| 985 | ||||
| 986 | XtSetArg(args[0], XtNlabel, smw->simple_menu.label_string)((void)( (args[0]).name = (((char*)&XtStrings[429])), (args [0]).value = (XtArgVal)(smw->simple_menu.label_string) )); | |||
| 987 | XtSetArg(args[1], XtNjustify, XtJustifyCenter)((void)( (args[1]).name = (((char*)&XtStrings[379])), (args [1]).value = (XtArgVal)(XtJustifyCenter) )); | |||
| 988 | smw->simple_menu.label = (SmeObject) | |||
| 989 | XtCreateManagedWidget("menuLabel", | |||
| 990 | smw->simple_menu.label_class, w, | |||
| 991 | args, TWO((Cardinal)2)); | |||
| 992 | ||||
| 993 | next_child = NULL((void*)0); | |||
| 994 | for (child = smw->composite.children + smw->composite.num_children, | |||
| 995 | i = smw->composite.num_children ; i > 0 ; i--, child--) { | |||
| 996 | if (next_child != NULL((void*)0)) | |||
| 997 | *next_child = *child; | |||
| 998 | next_child = child; | |||
| 999 | } | |||
| 1000 | *child = (Widget) smw->simple_menu.label; | |||
| 1001 | } | |||
| 1002 | ||||
| 1003 | /* Function Name: Layout | |||
| 1004 | * Description: lays the menu entries out all nice and neat. | |||
| 1005 | * Arguments: w - See below (+++) | |||
| 1006 | * width_ret, height_ret - The returned width and | |||
| 1007 | * height values. | |||
| 1008 | * Returns: none. | |||
| 1009 | * | |||
| 1010 | * if width == NULL || height == NULL then it assumes the you do not care | |||
| 1011 | * about the return values, and just want a relayout. | |||
| 1012 | * | |||
| 1013 | * if this is not the case then it will set width_ret and height_ret | |||
| 1014 | * to be width and height that the child would get if it were layed out | |||
| 1015 | * at this time. | |||
| 1016 | * | |||
| 1017 | * +++ "w" can be the simple menu widget or any of its object children. | |||
| 1018 | */ | |||
| 1019 | ||||
| 1020 | static void | |||
| 1021 | Layout(Widget w, Dimension *width_ret, Dimension *height_ret) | |||
| 1022 | { | |||
| 1023 | SmeObject current_entry, *entry; | |||
| 1024 | SimpleMenuWidget smw; | |||
| 1025 | ThreeDWidget tdw; | |||
| 1026 | Dimension width, height; | |||
| 1027 | Boolean do_layout = (height_ret == NULL((void*)0) || width_ret == NULL((void*)0)); | |||
| 1028 | Boolean allow_change_size; | |||
| 1029 | height = 0; | |||
| 1030 | ||||
| 1031 | if (XtIsSubclass(w, simpleMenuWidgetClass)) | |||
| 1032 | { | |||
| 1033 | smw = (SimpleMenuWidget)w; | |||
| 1034 | current_entry = NULL((void*)0); | |||
| 1035 | } | |||
| 1036 | else | |||
| 1037 | { | |||
| 1038 | smw = (SimpleMenuWidget)XtParent(w)((w)->core.parent); | |||
| 1039 | current_entry = (SmeObject)w; | |||
| 1040 | } | |||
| 1041 | tdw = (ThreeDWidget)smw->simple_menu.threeD; | |||
| 1042 | ||||
| 1043 | do_layout |= (current_entry != NULL((void*)0)); | |||
| 1044 | allow_change_size = | |||
| 1045 | (!XtIsRealized((Widget)smw)(XtWindowOfObject((Widget)smw) != 0L) || smw->shell.allow_shell_resize); | |||
| 1046 | ||||
| 1047 | if (smw->simple_menu.menu_height) | |||
| 1048 | height = smw->core.height; | |||
| 1049 | else if (do_layout) | |||
| 1050 | { | |||
| 1051 | height = smw->simple_menu.top_margin + tdw->threeD.shadow_width; | |||
| 1052 | ||||
| 1053 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) | |||
| 1054 | { | |||
| 1055 | if (!XtIsManaged((Widget)*entry)) continue; | |||
| 1056 | ||||
| 1057 | if (smw->simple_menu.row_height != 0 && | |||
| 1058 | *entry != smw->simple_menu.label) | |||
| 1059 | (*entry)->rectangle.height = smw->simple_menu.row_height; | |||
| 1060 | ||||
| 1061 | (*entry)->rectangle.y = height; | |||
| 1062 | (*entry)->rectangle.x = 0; | |||
| 1063 | height += (*entry)->rectangle.height; | |||
| 1064 | } | |||
| 1065 | ||||
| 1066 | height += smw->simple_menu.bottom_margin + tdw->threeD.shadow_width; | |||
| 1067 | } | |||
| 1068 | else if (smw->simple_menu.row_height != 0 && | |||
| 1069 | current_entry != smw->simple_menu.label) | |||
| 1070 | { | |||
| 1071 | height = smw->simple_menu.row_height * smw->composite.num_children; | |||
| 1072 | height += tdw->threeD.shadow_width * 2; | |||
| 1073 | } | |||
| 1074 | ||||
| 1075 | if (smw->simple_menu.menu_width) | |||
| 1076 | width = smw->core.width; | |||
| 1077 | else if (allow_change_size) | |||
| 1078 | { | |||
| 1079 | SetMarginWidths((Widget)smw); | |||
| 1080 | ||||
| 1081 | width = GetMenuWidth((Widget)smw, (Widget)NULL((void*)0)); | |||
| 1082 | } | |||
| 1083 | else | |||
| 1084 | width = smw->core.width; | |||
| 1085 | ||||
| 1086 | if (do_layout) | |||
| 1087 | { | |||
| 1088 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) | |||
| 1089 | if (XtIsManaged((Widget)*entry)) | |||
| 1090 | (*entry)->rectangle.width = width; | |||
| 1091 | ||||
| 1092 | if (allow_change_size) | |||
| 1093 | MakeSetValuesRequest((Widget) smw, width, height); | |||
| 1094 | } | |||
| 1095 | else | |||
| 1096 | { | |||
| 1097 | *width_ret = width; | |||
| 1098 | if (height != 0) *height_ret = height; | |||
| 1099 | } | |||
| 1100 | } | |||
| 1101 | ||||
| 1102 | /* Function Name: AddPositionAction | |||
| 1103 | * Description: Adds the XawPositionSimpleMenu action to the global | |||
| 1104 | * action list for this appcon. | |||
| 1105 | * Arguments: app_con - the application context for this app. | |||
| 1106 | * data - NOT USED. | |||
| 1107 | * Returns: none. | |||
| 1108 | */ | |||
| 1109 | ||||
| 1110 | /* ARGSUSED */ | |||
| 1111 | static void | |||
| 1112 | AddPositionAction(XtAppContext app_con, XPointer data) | |||
| 1113 | { | |||
| 1114 | static XtActionsRec pos_action[] = { | |||
| 1115 | { "XawPositionSimpleMenu", PositionMenuAction }, | |||
| 1116 | }; | |||
| 1117 | ||||
| 1118 | XtAppAddActions(app_con, pos_action, XtNumber(pos_action)((Cardinal) (sizeof(pos_action) / sizeof(pos_action[0])))); | |||
| 1119 | } | |||
| 1120 | ||||
| 1121 | /* Function Name: FindMenu | |||
| 1122 | * Description: Find the menu give a name and reference widget. | |||
| 1123 | * Arguments: widget - reference widget. | |||
| 1124 | * name - the menu widget's name. | |||
| 1125 | * Returns: the menu widget or NULL. | |||
| 1126 | */ | |||
| 1127 | ||||
| 1128 | static Widget | |||
| 1129 | FindMenu(Widget widget, String name) | |||
| 1130 | { | |||
| 1131 | Widget w, menu; | |||
| 1132 | ||||
| 1133 | for ( w = widget ; w != NULL((void*)0) ; w = XtParent(w)((w)->core.parent) ) | |||
| 1134 | if ( (menu = XtNameToWidget(w, name)) != NULL((void*)0) ) | |||
| 1135 | return(menu); | |||
| 1136 | return(NULL((void*)0)); | |||
| 1137 | } | |||
| 1138 | ||||
| 1139 | /* Function Name: PositionMenu | |||
| 1140 | * Description: Places the menu | |||
| 1141 | * Arguments: w - the simple menu widget. | |||
| 1142 | * location - a pointer the the position or NULL. | |||
| 1143 | * Returns: none. | |||
| 1144 | */ | |||
| 1145 | ||||
| 1146 | static void | |||
| 1147 | PositionMenu(Widget w, XPoint * location) | |||
| 1148 | { | |||
| 1149 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 1150 | SmeObject entry; | |||
| 1151 | XPoint t_point; | |||
| 1152 | ||||
| 1153 | if (location == NULL((void*)0)) { | |||
| 1154 | Window junk1, junk2; | |||
| 1155 | int root_x, root_y, junkX, junkY; | |||
| 1156 | unsigned int junkM; | |||
| 1157 | ||||
| 1158 | location = &t_point; | |||
| 1159 | if (XQueryPointer(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), &junk1, &junk2, | |||
| 1160 | &root_x, &root_y, &junkX, &junkY, &junkM) == FALSE0) { | |||
| 1161 | char error_buf[BUFSIZ1024]; | |||
| 1162 | (void) sprintf(error_buf, "%s %s", "Xaw Simple Menu Widget:",__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "%s %s", "Xaw Simple Menu Widget:" , "Could not find location of mouse pointer") | |||
| 1163 | "Could not find location of mouse pointer")__builtin___sprintf_chk (error_buf, 0, __builtin_object_size ( error_buf, 2 > 1 ? 1 : 0), "%s %s", "Xaw Simple Menu Widget:" , "Could not find location of mouse pointer"); | |||
| 1164 | XtAppWarning(XtWidgetToApplicationContext(w), error_buf); | |||
| 1165 | return; | |||
| 1166 | } | |||
| 1167 | location->x = (short) root_x; | |||
| 1168 | location->y = (short) root_y; | |||
| 1169 | } | |||
| 1170 | ||||
| 1171 | /* | |||
| 1172 | * The width will not be correct unless it is realized. | |||
| 1173 | */ | |||
| 1174 | ||||
| 1175 | XtRealizeWidget(w); | |||
| 1176 | ||||
| 1177 | location->x -= (Position) w->core.width/2; | |||
| 1178 | ||||
| 1179 | if (smw->simple_menu.popup_entry == NULL((void*)0)) | |||
| 1180 | entry = smw->simple_menu.label; | |||
| 1181 | else | |||
| 1182 | entry = smw->simple_menu.popup_entry; | |||
| 1183 | ||||
| 1184 | if (entry != NULL((void*)0)) | |||
| 1185 | location->y -= entry->rectangle.y + entry->rectangle.height/2; | |||
| 1186 | ||||
| 1187 | MoveMenu(w, (Position) location->x, (Position) location->y); | |||
| 1188 | } | |||
| 1189 | ||||
| 1190 | /* Function Name: MoveMenu | |||
| 1191 | * Description: Actually moves the menu, may force it to | |||
| 1192 | * to be fully visable if menu_on_screen is TRUE. | |||
| 1193 | * Arguments: w - the simple menu widget. | |||
| 1194 | * x, y - the current location of the widget. | |||
| 1195 | * Returns: none | |||
| 1196 | */ | |||
| 1197 | ||||
| 1198 | static void | |||
| 1199 | MoveMenu(Widget w, Position x, Position y) | |||
| 1200 | { | |||
| 1201 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 1202 | Arg arglist[2]; | |||
| 1203 | ||||
| 1204 | if (smw->simple_menu.menu_on_screen) { | |||
| 1205 | int width = w->core.width + 2 * w->core.border_width; | |||
| 1206 | int height = w->core.height + 2 * w->core.border_width; | |||
| 1207 | ||||
| 1208 | if (x >= 0) { | |||
| 1209 | int scr_width = WidthOfScreen(XtScreen(w))((((w)->core.screen))->width); | |||
| 1210 | if (x + width > scr_width) | |||
| 1211 | x = scr_width - width; | |||
| 1212 | } | |||
| 1213 | if (x < 0) | |||
| 1214 | x = 0; | |||
| 1215 | ||||
| 1216 | if (y >= 0) { | |||
| 1217 | int scr_height = HeightOfScreen(XtScreen(w))((((w)->core.screen))->height); | |||
| 1218 | if (y + height > scr_height) | |||
| 1219 | y = scr_height - height; | |||
| 1220 | } | |||
| 1221 | if (y < 0) | |||
| 1222 | y = 0; | |||
| 1223 | } | |||
| 1224 | ||||
| 1225 | XtSetArg(arglist[0], XtNx, x)((void)( (arglist[0]).name = (((char*)&XtStrings[885])), ( arglist[0]).value = (XtArgVal)(x) )); | |||
| 1226 | XtSetArg(arglist[1], XtNy, y)((void)( (arglist[1]).name = (((char*)&XtStrings[887])), ( arglist[1]).value = (XtArgVal)(y) )); | |||
| 1227 | XtSetValues(w, arglist, TWO((Cardinal)2)); | |||
| 1228 | } | |||
| 1229 | ||||
| 1230 | /* Function Name: ChangeCursorOnGrab | |||
| 1231 | * Description: Changes the cursor on the active grab to the one | |||
| 1232 | * specified in out resource list. | |||
| 1233 | * Arguments: w - the widget. | |||
| 1234 | * junk, garbage - ** NOT USED **. | |||
| 1235 | * Returns: None. | |||
| 1236 | */ | |||
| 1237 | ||||
| 1238 | /* ARGSUSED */ | |||
| 1239 | static void | |||
| 1240 | ChangeCursorOnGrab(Widget w, XtPointer junk, XtPointer garbage) | |||
| 1241 | { | |||
| 1242 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 1243 | ||||
| 1244 | /* | |||
| 1245 | * The event mask here is what is currently in the MIT implementation. | |||
| 1246 | * There really needs to be a way to get the value of the mask out | |||
| 1247 | * of the toolkit (CDP 5/26/89). | |||
| 1248 | */ | |||
| 1249 | ||||
| 1250 | XChangeActivePointerGrab(XtDisplay(w)(((w)->core.screen)->display), ButtonPressMask(1L<<2)|ButtonReleaseMask(1L<<3), | |||
| 1251 | smw->simple_menu.cursor, | |||
| 1252 | XtLastTimestampProcessed(XtDisplay(w)(((w)->core.screen)->display))); | |||
| 1253 | } | |||
| 1254 | ||||
| 1255 | /* Function Name: MakeSetValuesRequest | |||
| 1256 | * Description: Makes a (possibly recursive) call to SetValues, | |||
| 1257 | * I take great pains to not go into an infinite loop. | |||
| 1258 | * Arguments: w - the simple menu widget. | |||
| 1259 | * width, height - the size of the ask for. | |||
| 1260 | * Returns: none | |||
| 1261 | */ | |||
| 1262 | ||||
| 1263 | static void | |||
| 1264 | MakeSetValuesRequest(Widget w, Dimension width, Dimension height) | |||
| 1265 | { | |||
| 1266 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 1267 | ||||
| 1268 | if ( !smw->simple_menu.recursive_set_values ) { | |||
| 1269 | if ( (smw->core.width != width) || (smw->core.height != height) ) { | |||
| 1270 | Arg arglist[2]; | |||
| 1271 | ||||
| 1272 | smw->simple_menu.recursive_set_values = TRUE1; | |||
| 1273 | XtSetArg(arglist[0], XtNwidth, width)((void)( (arglist[0]).name = (((char*)&XtStrings[872])), ( arglist[0]).value = (XtArgVal)(width) )); | |||
| 1274 | XtSetArg(arglist[1], XtNheight, height)((void)( (arglist[1]).name = (((char*)&XtStrings[234])), ( arglist[1]).value = (XtArgVal)(height) )); | |||
| 1275 | XtSetValues(w, arglist, TWO((Cardinal)2)); | |||
| 1276 | } | |||
| 1277 | else if (XtIsRealized( (Widget) smw)(XtWindowOfObject((Widget) smw) != 0L)) | |||
| 1278 | Redisplay((Widget) smw, (XEvent *) NULL((void*)0), (Region) NULL((void*)0)); | |||
| 1279 | } | |||
| 1280 | smw->simple_menu.recursive_set_values = FALSE0; | |||
| 1281 | } | |||
| 1282 | ||||
| 1283 | /* | |||
| 1284 | * Function Name: SetMarginWidths() | |||
| 1285 | * Description: Set new margin values for all menu children. | |||
| 1286 | * Arguments: w - the simple menu widget | |||
| 1287 | * w_ent - the current menu entry | |||
| 1288 | */ | |||
| 1289 | static void | |||
| 1290 | SetMarginWidths(Widget w) | |||
| 1291 | { | |||
| 1292 | SimpleMenuWidget smw = (SimpleMenuWidget)w; | |||
| 1293 | SmeObject *entry; | |||
| 1294 | SmeBSBObject bsb_entry; | |||
| 1295 | Dimension l_mrgn, l_bmw, r_mrgn, r_bmw; | |||
| 1296 | ||||
| 1297 | if (smw->simple_menu.left_whitespace || smw->simple_menu.right_whitespace) | |||
| 1298 | { | |||
| 1299 | /* determine the widest bitmaps */ | |||
| 1300 | l_bmw = r_bmw = (Dimension)0; | |||
| 1301 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) | |||
| 1302 | { | |||
| 1303 | if (!XtIsManaged((Widget)*entry)) continue; | |||
| 1304 | if (*entry == smw->simple_menu.label) continue; | |||
| 1305 | if (XtIsSubclass((Widget)*entry, smeLineObjectClass)) | |||
| 1306 | continue; | |||
| 1307 | ||||
| 1308 | bsb_entry = (SmeBSBObject)&((*entry)->object); | |||
| 1309 | if (bsb_entry->sme_bsb.left_bitmap_width > l_bmw) | |||
| 1310 | l_bmw = bsb_entry->sme_bsb.left_bitmap_width; | |||
| 1311 | if (bsb_entry->sme_bsb.right_bitmap_width > r_bmw) | |||
| 1312 | r_bmw = bsb_entry->sme_bsb.right_bitmap_width; | |||
| 1313 | } | |||
| 1314 | ||||
| 1315 | /* set the margin values */ | |||
| 1316 | if (smw->simple_menu.left_whitespace) | |||
| 1317 | l_mrgn = l_bmw + | |||
| 1318 | (smw->simple_menu.left_whitespace * ((l_bmw) ? 2 : 1)); | |||
| 1319 | if (smw->simple_menu.right_whitespace) | |||
| 1320 | r_mrgn = r_bmw + | |||
| 1321 | (smw->simple_menu.right_whitespace * ((r_bmw) ? 2 : 1)); | |||
| 1322 | ||||
| 1323 | /* make all the margins uniform */ | |||
| 1324 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) | |||
| 1325 | { | |||
| 1326 | if (!XtIsManaged((Widget)*entry)) continue; | |||
| 1327 | if (*entry == smw->simple_menu.label) continue; | |||
| 1328 | if (XtIsSubclass((Widget)*entry, smeLineObjectClass)) | |||
| 1329 | continue; | |||
| 1330 | ||||
| 1331 | bsb_entry = (SmeBSBObject)&((*entry)->object); | |||
| 1332 | if (smw->simple_menu.left_whitespace) | |||
| 1333 | bsb_entry->sme_bsb.left_margin = l_mrgn; | |||
| 1334 | if (smw->simple_menu.right_whitespace) | |||
| 1335 | bsb_entry->sme_bsb.right_margin = r_mrgn; | |||
| 1336 | } | |||
| 1337 | } | |||
| 1338 | } | |||
| 1339 | ||||
| 1340 | /* Function Name: GetMenuWidth | |||
| 1341 | * Description: Sets the width to the widest entry in pixels. | |||
| 1342 | * Arguments: w - the simple menu widget. | |||
| 1343 | * w_ent - the current menu entry. | |||
| 1344 | * Returns: width of menu. | |||
| 1345 | */ | |||
| 1346 | ||||
| 1347 | static Dimension | |||
| 1348 | GetMenuWidth(Widget w, Widget w_ent) | |||
| 1349 | { | |||
| 1350 | SmeObject cur_entry = (SmeObject) w_ent; | |||
| 1351 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 1352 | Dimension width, widest = (Dimension) 0; | |||
| 1353 | SmeObject * entry; | |||
| 1354 | ||||
| 1355 | if ( smw->simple_menu.menu_width ) | |||
| 1356 | return(smw->core.width); | |||
| 1357 | ||||
| 1358 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) { | |||
| 1359 | XtWidgetGeometry preferred; | |||
| 1360 | ||||
| 1361 | if (!XtIsManaged( (Widget) *entry)) continue; | |||
| 1362 | ||||
| 1363 | if (*entry != cur_entry) { | |||
| 1364 | XtQueryGeometry((Widget) *entry, (XtWidgetGeometry *)NULL((void*)0), &preferred); | |||
| 1365 | ||||
| 1366 | if (preferred.request_mode & CWWidth(1<<2)) | |||
| 1367 | width = preferred.width; | |||
| 1368 | else | |||
| 1369 | width = (*entry)->rectangle.width; | |||
| 1370 | } | |||
| 1371 | else | |||
| 1372 | width = (*entry)->rectangle.width; | |||
| ||||
| 1373 | ||||
| 1374 | if ( width > widest ) | |||
| 1375 | widest = width; | |||
| 1376 | } | |||
| 1377 | ||||
| 1378 | return(widest); | |||
| 1379 | } | |||
| 1380 | ||||
| 1381 | /* Function Name: GetMenuHeight | |||
| 1382 | * Description: Sets the height to all the entries in pixels. | |||
| 1383 | * Arguments: w - the simple menu widget. | |||
| 1384 | * Returns: height of menu. | |||
| 1385 | */ | |||
| 1386 | ||||
| 1387 | static Dimension | |||
| 1388 | GetMenuHeight(Widget w) | |||
| 1389 | { | |||
| 1390 | SimpleMenuWidget smw = (SimpleMenuWidget) w; | |||
| 1391 | ThreeDWidget tdw = (ThreeDWidget) smw->simple_menu.threeD; | |||
| 1392 | SmeObject * entry; | |||
| 1393 | Dimension height; | |||
| 1394 | ||||
| 1395 | if (smw->simple_menu.menu_height) | |||
| 1396 | return(smw->core.height); | |||
| 1397 | ||||
| 1398 | height = smw->simple_menu.top_margin + smw->simple_menu.bottom_margin; | |||
| 1399 | height += tdw->threeD.shadow_width * 2; | |||
| 1400 | ||||
| 1401 | if (smw->simple_menu.row_height == 0) { | |||
| 1402 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) | |||
| 1403 | if (XtIsManaged ((Widget) *entry)) | |||
| 1404 | height += (*entry)->rectangle.height; | |||
| 1405 | } else | |||
| 1406 | height += smw->simple_menu.row_height * smw->composite.num_children; | |||
| 1407 | ||||
| 1408 | return(height); | |||
| 1409 | } | |||
| 1410 | ||||
| 1411 | /* Function Name: GetEventEntry | |||
| 1412 | * Description: Gets an entry given an event that has X and Y coords. | |||
| 1413 | * Arguments: w - the simple menu widget. | |||
| 1414 | * event - the event. | |||
| 1415 | * Returns: the entry that this point is in. | |||
| 1416 | */ | |||
| 1417 | ||||
| 1418 | static SmeObject | |||
| 1419 | GetEventEntry(Widget w, XEvent * event) | |||
| 1420 | { | |||
| 1421 | Position x_loc = 0, y_loc = 0; | |||
| 1422 | SimpleMenuWidget smw = (SimpleMenuWidget)w; | |||
| 1423 | SmeObject *entry; | |||
| 1424 | static XPoint last_pos; | |||
| 1425 | XPoint pos; | |||
| 1426 | int s = ((ThreeDWidget)smw->simple_menu.threeD)->threeD.shadow_width; | |||
| 1427 | ||||
| 1428 | switch (event->type) { | |||
| 1429 | case MotionNotify6: | |||
| 1430 | x_loc = event->xmotion.x; | |||
| 1431 | y_loc = event->xmotion.y; | |||
| 1432 | pos.y = event->xmotion.y_root; | |||
| 1433 | break; | |||
| 1434 | case EnterNotify7: | |||
| 1435 | case LeaveNotify8: | |||
| 1436 | x_loc = event->xcrossing.x; | |||
| 1437 | y_loc = event->xcrossing.y; | |||
| 1438 | pos.y = event->xcrossing.y_root; | |||
| 1439 | break; | |||
| 1440 | case ButtonPress4: | |||
| 1441 | case ButtonRelease5: | |||
| 1442 | x_loc = event->xbutton.x; | |||
| 1443 | y_loc = event->xbutton.y; | |||
| 1444 | pos.y = event->xbutton.y_root; | |||
| 1445 | break; | |||
| 1446 | default: | |||
| 1447 | XtAppError(XtWidgetToApplicationContext(w), | |||
| 1448 | "Unknown event type in GetEventEntry()."); | |||
| 1449 | break; | |||
| 1450 | } | |||
| 1451 | ||||
| 1452 | if (x_loc < 0 || x_loc >= (int)smw->core.width) | |||
| 1453 | return NULL((void*)0); | |||
| 1454 | else if (smw->simple_menu.too_tall) { | |||
| 1455 | if (pos.y >= smw->simple_menu.last_y && smw->simple_menu.didnt_fit) { | |||
| 1456 | if (last_pos.y && pos.y < last_pos.y) { | |||
| 1457 | last_pos.y = pos.y; | |||
| 1458 | return NULL((void*)0); | |||
| 1459 | } | |||
| 1460 | smw->simple_menu.current_first += smw->simple_menu.jump_val; | |||
| 1461 | Redisplay(w, (XEvent *)NULL((void*)0), (Region)NULL((void*)0)); | |||
| 1462 | last_pos.y = pos.y; | |||
| 1463 | return NULL((void*)0); | |||
| 1464 | } else if (pos.y <= s + SMW_ARROW_SIZE8 && | |||
| 1465 | smw->simple_menu.first_entry != smw->simple_menu.current_first) | |||
| 1466 | { | |||
| 1467 | if (pos.y && (!last_pos.y || pos.y > last_pos.y)) { | |||
| 1468 | last_pos.y = pos.y; | |||
| 1469 | return NULL((void*)0); | |||
| 1470 | } | |||
| 1471 | smw->simple_menu.current_first -= smw->simple_menu.jump_val; | |||
| 1472 | Redisplay(w, (XEvent *)NULL((void*)0), (Region)NULL((void*)0)); | |||
| 1473 | last_pos.y = pos.y; | |||
| 1474 | return NULL((void*)0); | |||
| 1475 | } | |||
| 1476 | else | |||
| 1477 | last_pos.y = 0; | |||
| 1478 | } else if (y_loc < 0 || y_loc >= (int)smw->core.height) | |||
| 1479 | return NULL((void*)0); | |||
| 1480 | ||||
| 1481 | ForAllChildren(smw, entry)for ((entry) = (SmeObject *) (smw)->composite.children; (entry ) < (SmeObject *) ((smw)->composite.children + (smw)-> composite.num_children); (entry)++) { | |||
| 1482 | int tmp_y; | |||
| 1483 | ||||
| 1484 | if (!XtIsManaged((Widget)*entry)) continue; | |||
| 1485 | ||||
| 1486 | tmp_y = (*entry)->rectangle.y - smw->simple_menu.first_y; | |||
| 1487 | if (tmp_y < y_loc && tmp_y + (int)(*entry)->rectangle.height > y_loc) { | |||
| 1488 | if (*entry == smw->simple_menu.label) | |||
| 1489 | return NULL((void*)0); /* cannot select the label */ | |||
| 1490 | else | |||
| 1491 | return *entry; | |||
| 1492 | } | |||
| 1493 | } | |||
| 1494 | ||||
| 1495 | return NULL((void*)0); | |||
| 1496 | } | |||
| 1497 | ||||
| 1498 | /*ARGSUSED*/ | |||
| 1499 | static void | |||
| 1500 | PopupCB(Widget w, XtPointer client_data, XtPointer call_data) | |||
| 1501 | { | |||
| 1502 | SimpleMenuWidget smw = (SimpleMenuWidget)w; | |||
| 1503 | ||||
| 1504 | smw->simple_menu.state &= ~SMW_UNMAPPING0x01; | |||
| 1505 | } | |||
| 1506 | ||||
| 1507 | static void | |||
| 1508 | PopupSubMenu(SimpleMenuWidget smw) | |||
| 1509 | { | |||
| 1510 | Widget menu; | |||
| 1511 | SmeBSBObject entry = (SmeBSBObject)smw->simple_menu.entry_set; | |||
| 1512 | Position menu_x, menu_y; | |||
| 1513 | Boolint popleft; | |||
| 1514 | Arg args[2]; | |||
| 1515 | ||||
| 1516 | if (entry->sme_bsb.menu_name == NULL((void*)0)) | |||
| 1517 | return; | |||
| 1518 | ||||
| 1519 | if ((menu = FindMenu((Widget)smw, entry->sme_bsb.menu_name)) == NULL((void*)0)) | |||
| 1520 | return; | |||
| 1521 | ||||
| 1522 | smw->simple_menu.sub_menu = menu; | |||
| 1523 | ||||
| 1524 | if (!XtIsRealized(menu)(XtWindowOfObject(menu) != 0L)) | |||
| 1525 | XtRealizeWidget(menu); | |||
| 1526 | ||||
| 1527 | popleft = (smw->simple_menu.state & SMW_POPLEFT0x02) != 0; | |||
| 1528 | ||||
| 1529 | if (popleft) | |||
| 1530 | XtTranslateCoords((Widget)smw, -(int)XtWidth(menu)(((RectObj)menu)->rectangle.width), | |||
| 1531 | XtY(entry)(((RectObj)entry)->rectangle.y) - XtBorderWidth(menu)(((RectObj)menu)->rectangle.border_width), &menu_x, &menu_y); | |||
| 1532 | else | |||
| 1533 | XtTranslateCoords((Widget)smw, XtWidth(smw)(((RectObj)smw)->rectangle.width), XtY(entry)(((RectObj)entry)->rectangle.y) | |||
| 1534 | - XtBorderWidth(menu)(((RectObj)menu)->rectangle.border_width), &menu_x, &menu_y); | |||
| 1535 | ||||
| 1536 | if (!popleft && menu_x >= 0) { | |||
| 1537 | int scr_width = WidthOfScreen(XtScreen(menu))((((menu)->core.screen))->width); | |||
| 1538 | ||||
| 1539 | if (menu_x + XtWidth(menu)(((RectObj)menu)->rectangle.width) > scr_width) { | |||
| 1540 | menu_x -= XtWidth(menu)(((RectObj)menu)->rectangle.width) + XtWidth(smw)(((RectObj)smw)->rectangle.width); | |||
| 1541 | popleft = True1; | |||
| 1542 | } | |||
| 1543 | } | |||
| 1544 | else if (popleft && menu_x < 0) { | |||
| 1545 | menu_x = 0; | |||
| 1546 | popleft = False0; | |||
| 1547 | } | |||
| 1548 | ||||
| 1549 | if (menu_y >= 0) { | |||
| 1550 | ThreeDWidget tdw = | |||
| 1551 | (ThreeDWidget)((SimpleMenuWidget)menu)->simple_menu.threeD; | |||
| 1552 | int scr_height = HeightOfScreen(XtScreen(menu))((((menu)->core.screen))->height); | |||
| 1553 | ||||
| 1554 | if (menu_y + XtHeight(menu)(((RectObj)menu)->rectangle.height) > scr_height) | |||
| 1555 | menu_y = scr_height - XtHeight(menu)(((RectObj)menu)->rectangle.height) - XtBorderWidth(menu)(((RectObj)menu)->rectangle.border_width); | |||
| 1556 | ||||
| 1557 | menu_y -= tdw->threeD.shadow_width; | |||
| 1558 | } | |||
| 1559 | if (menu_y < 0) | |||
| 1560 | menu_y = 0; | |||
| 1561 | ||||
| 1562 | XtSetArg(args[0], XtNx, menu_x)((void)( (args[0]).name = (((char*)&XtStrings[885])), (args [0]).value = (XtArgVal)(menu_x) )); | |||
| 1563 | XtSetArg(args[1], XtNy, menu_y)((void)( (args[1]).name = (((char*)&XtStrings[887])), (args [1]).value = (XtArgVal)(menu_y) )); | |||
| 1564 | XtSetValues(menu, args, TWO((Cardinal)2)); | |||
| 1565 | ||||
| 1566 | if (popleft) | |||
| 1567 | ((SimpleMenuWidget)menu)->simple_menu.state |= SMW_POPLEFT0x02; | |||
| 1568 | else | |||
| 1569 | ((SimpleMenuWidget)menu)->simple_menu.state &= ~SMW_POPLEFT0x02; | |||
| 1570 | ||||
| 1571 | XtPopup(menu, XtGrabNone); | |||
| 1572 | } | |||
| 1573 | ||||
| 1574 | static void | |||
| 1575 | Popdown(Widget w, XEvent *event, String *params, Cardinal *num_params) | |||
| 1576 | { | |||
| 1577 | SimpleMenuWidget smw = (SimpleMenuWidget)w; | |||
| 1578 | ||||
| 1579 | while (XtParent(w)((w)->core.parent) && | |||
| 1580 | XtIsSubclass(XtParent(w)((w)->core.parent), simpleMenuWidgetClass)) { | |||
| 1581 | if (((SimpleMenuWidget)XtParent(w)((w)->core.parent))->simple_menu.sub_menu == (Widget)w) | |||
| 1582 | { | |||
| 1583 | w = XtParent(w)((w)->core.parent); | |||
| 1584 | smw = (SimpleMenuWidget)w; | |||
| 1585 | smw->simple_menu.entry_set = NULL((void*)0); | |||
| 1586 | } | |||
| 1587 | else | |||
| 1588 | break; | |||
| 1589 | } | |||
| 1590 | ||||
| 1591 | smw->simple_menu.state |= SMW_UNMAPPING0x01; | |||
| 1592 | PopdownSubMenu(smw); | |||
| 1593 | ||||
| 1594 | XtCallActionProc(w, "XtMenuPopdown", event, params, *num_params); | |||
| 1595 | } | |||
| 1596 | ||||
| 1597 | static void | |||
| 1598 | PopdownSubMenu(SimpleMenuWidget smw) | |||
| 1599 | { | |||
| 1600 | SimpleMenuWidget menu = (SimpleMenuWidget)smw->simple_menu.sub_menu; | |||
| 1601 | ||||
| 1602 | if (!menu) return; | |||
| 1603 | ||||
| 1604 | menu->simple_menu.state &= ~SMW_POPLEFT0x02; | |||
| 1605 | menu->simple_menu.state |= SMW_UNMAPPING0x01; | |||
| 1606 | PopdownSubMenu(menu); | |||
| 1607 | ||||
| 1608 | XtPopdown((Widget)menu); | |||
| 1609 | ||||
| 1610 | smw->simple_menu.sub_menu = NULL((void*)0); | |||
| 1611 | } | |||
| 1612 |