| 1 | # button.tcl -- |
| 2 | # |
| 3 | # This file defines the default bindings for Tk label, button, |
| 4 | # checkbutton, and radiobutton widgets and provides procedures |
| 5 | # that help in implementing those bindings. |
| 6 | # |
| 7 | # RCS: @(#) $Id: button.tcl,v 1.17 2002/09/04 02:05:52 hobbs Exp $ |
| 8 | # |
| 9 | # Copyright (c) 1992-1994 The Regents of the University of California. |
| 10 | # Copyright (c) 1994-1996 Sun Microsystems, Inc. |
| 11 | # Copyright (c) 2002 ActiveState Corporation. |
| 12 | # |
| 13 | # See the file "license.terms" for information on usage and redistribution |
| 14 | # of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
| 15 | # |
| 16 | |
| 17 | #------------------------------------------------------------------------- |
| 18 | # The code below creates the default class bindings for buttons. |
| 19 | #------------------------------------------------------------------------- |
| 20 | |
| 21 | if {[string equal [tk windowingsystem] "classic"] |
| 22 | || [string equal [tk windowingsystem] "aqua"]} { |
| 23 | bind Radiobutton <Enter> { |
| 24 | tk::ButtonEnter %W |
| 25 | } |
| 26 | bind Radiobutton <1> { |
| 27 | tk::ButtonDown %W |
| 28 | } |
| 29 | bind Radiobutton <ButtonRelease-1> { |
| 30 | tk::ButtonUp %W |
| 31 | } |
| 32 | bind Checkbutton <Enter> { |
| 33 | tk::ButtonEnter %W |
| 34 | } |
| 35 | bind Checkbutton <1> { |
| 36 | tk::ButtonDown %W |
| 37 | } |
| 38 | bind Checkbutton <ButtonRelease-1> { |
| 39 | tk::ButtonUp %W |
| 40 | } |
| 41 | } |
| 42 | if {[string equal "windows" $tcl_platform(platform)]} { |
| 43 | bind Checkbutton <equal> { |
| 44 | tk::CheckRadioInvoke %W select |
| 45 | } |
| 46 | bind Checkbutton <plus> { |
| 47 | tk::CheckRadioInvoke %W select |
| 48 | } |
| 49 | bind Checkbutton <minus> { |
| 50 | tk::CheckRadioInvoke %W deselect |
| 51 | } |
| 52 | bind Checkbutton <1> { |
| 53 | tk::CheckRadioDown %W |
| 54 | } |
| 55 | bind Checkbutton <ButtonRelease-1> { |
| 56 | tk::ButtonUp %W |
| 57 | } |
| 58 | bind Checkbutton <Enter> { |
| 59 | tk::CheckRadioEnter %W |
| 60 | } |
| 61 | |
| 62 | bind Radiobutton <1> { |
| 63 | tk::CheckRadioDown %W |
| 64 | } |
| 65 | bind Radiobutton <ButtonRelease-1> { |
| 66 | tk::ButtonUp %W |
| 67 | } |
| 68 | bind Radiobutton <Enter> { |
| 69 | tk::CheckRadioEnter %W |
| 70 | } |
| 71 | } |
| 72 | if {[string equal "x11" [tk windowingsystem]]} { |
| 73 | bind Checkbutton <Return> { |
| 74 | if {!$tk_strictMotif} { |
| 75 | tk::CheckRadioInvoke %W |
| 76 | } |
| 77 | } |
| 78 | bind Radiobutton <Return> { |
| 79 | if {!$tk_strictMotif} { |
| 80 | tk::CheckRadioInvoke %W |
| 81 | } |
| 82 | } |
| 83 | bind Checkbutton <1> { |
| 84 | tk::CheckRadioInvoke %W |
| 85 | } |
| 86 | bind Radiobutton <1> { |
| 87 | tk::CheckRadioInvoke %W |
| 88 | } |
| 89 | bind Checkbutton <Enter> { |
| 90 | tk::ButtonEnter %W |
| 91 | } |
| 92 | bind Radiobutton <Enter> { |
| 93 | tk::ButtonEnter %W |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | bind Button <space> { |
| 98 | tk::ButtonInvoke %W |
| 99 | } |
| 100 | bind Checkbutton <space> { |
| 101 | tk::CheckRadioInvoke %W |
| 102 | } |
| 103 | bind Radiobutton <space> { |
| 104 | tk::CheckRadioInvoke %W |
| 105 | } |
| 106 | |
| 107 | bind Button <FocusIn> {} |
| 108 | bind Button <Enter> { |
| 109 | tk::ButtonEnter %W |
| 110 | } |
| 111 | bind Button <Leave> { |
| 112 | tk::ButtonLeave %W |
| 113 | } |
| 114 | bind Button <1> { |
| 115 | tk::ButtonDown %W |
| 116 | } |
| 117 | bind Button <ButtonRelease-1> { |
| 118 | tk::ButtonUp %W |
| 119 | } |
| 120 | |
| 121 | bind Checkbutton <FocusIn> {} |
| 122 | bind Checkbutton <Leave> { |
| 123 | tk::ButtonLeave %W |
| 124 | } |
| 125 | |
| 126 | bind Radiobutton <FocusIn> {} |
| 127 | bind Radiobutton <Leave> { |
| 128 | tk::ButtonLeave %W |
| 129 | } |
| 130 | |
| 131 | if {[string equal "windows" $tcl_platform(platform)]} { |
| 132 | |
| 133 | ######################### |
| 134 | # Windows implementation |
| 135 | ######################### |
| 136 | |
| 137 | # ::tk::ButtonEnter -- |
| 138 | # The procedure below is invoked when the mouse pointer enters a |
| 139 | # button widget. It records the button we're in and changes the |
| 140 | # state of the button to active unless the button is disabled. |
| 141 | # |
| 142 | # Arguments: |
| 143 | # w - The name of the widget. |
| 144 | |
| 145 | proc ::tk::ButtonEnter w { |
| 146 | variable ::tk::Priv |
| 147 | if {[$w cget -state] ne "disabled"} { |
| 148 | |
| 149 | # If the mouse button is down, set the relief to sunken on entry. |
| 150 | # Overwise, if there's an -overrelief value, set the relief to that. |
| 151 | |
| 152 | set Priv($w,relief) [$w cget -relief] |
| 153 | if {$Priv(buttonWindow) eq $w} { |
| 154 | $w configure -relief sunken -state active |
| 155 | set Priv($w,prelief) sunken |
| 156 | } elseif {[set over [$w cget -overrelief]] ne ""} { |
| 157 | $w configure -relief $over |
| 158 | set Priv($w,prelief) $over |
| 159 | } |
| 160 | } |
| 161 | set Priv(window) $w |
| 162 | } |
| 163 | |
| 164 | # ::tk::ButtonLeave -- |
| 165 | # The procedure below is invoked when the mouse pointer leaves a |
| 166 | # button widget. It changes the state of the button back to inactive. |
| 167 | # Restore any modified relief too. |
| 168 | # |
| 169 | # Arguments: |
| 170 | # w - The name of the widget. |
| 171 | |
| 172 | proc ::tk::ButtonLeave w { |
| 173 | variable ::tk::Priv |
| 174 | if {[$w cget -state] ne "disabled"} { |
| 175 | $w configure -state normal |
| 176 | } |
| 177 | |
| 178 | # Restore the original button relief if it was changed by Tk. |
| 179 | # That is signaled by the existence of Priv($w,prelief). |
| 180 | |
| 181 | if {[info exists Priv($w,relief)]} { |
| 182 | if {[info exists Priv($w,prelief)] && \ |
| 183 | $Priv($w,prelief) eq [$w cget -relief]} { |
| 184 | $w configure -relief $Priv($w,relief) |
| 185 | } |
| 186 | unset -nocomplain Priv($w,relief) Priv($w,prelief) |
| 187 | } |
| 188 | |
| 189 | set Priv(window) "" |
| 190 | } |
| 191 | |
| 192 | # ::tk::ButtonDown -- |
| 193 | # The procedure below is invoked when the mouse button is pressed in |
| 194 | # a button widget. It records the fact that the mouse is in the button, |
| 195 | # saves the button's relief so it can be restored later, and changes |
| 196 | # the relief to sunken. |
| 197 | # |
| 198 | # Arguments: |
| 199 | # w - The name of the widget. |
| 200 | |
| 201 | proc ::tk::ButtonDown w { |
| 202 | variable ::tk::Priv |
| 203 | |
| 204 | # Only save the button's relief if it does not yet exist. If there |
| 205 | # is an overrelief setting, Priv($w,relief) will already have been set, |
| 206 | # and the current value of the -relief option will be incorrect. |
| 207 | |
| 208 | if {![info exists Priv($w,relief)]} { |
| 209 | set Priv($w,relief) [$w cget -relief] |
| 210 | } |
| 211 | |
| 212 | if {[$w cget -state] ne "disabled"} { |
| 213 | set Priv(buttonWindow) $w |
| 214 | $w configure -relief sunken -state active |
| 215 | set Priv($w,prelief) sunken |
| 216 | |
| 217 | # If this button has a repeatdelay set up, get it going with an after |
| 218 | after cancel $Priv(afterId) |
| 219 | set delay [$w cget -repeatdelay] |
| 220 | set Priv(repeated) 0 |
| 221 | if {$delay > 0} { |
| 222 | set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]] |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | # ::tk::ButtonUp -- |
| 228 | # The procedure below is invoked when the mouse button is released |
| 229 | # in a button widget. It restores the button's relief and invokes |
| 230 | # the command as long as the mouse hasn't left the button. |
| 231 | # |
| 232 | # Arguments: |
| 233 | # w - The name of the widget. |
| 234 | |
| 235 | proc ::tk::ButtonUp w { |
| 236 | variable ::tk::Priv |
| 237 | if {$Priv(buttonWindow) eq $w} { |
| 238 | set Priv(buttonWindow) "" |
| 239 | |
| 240 | # Restore the button's relief if it was cached. |
| 241 | |
| 242 | if {[info exists Priv($w,relief)]} { |
| 243 | if {[info exists Priv($w,prelief)] && \ |
| 244 | $Priv($w,prelief) eq [$w cget -relief]} { |
| 245 | $w configure -relief $Priv($w,relief) |
| 246 | } |
| 247 | unset -nocomplain Priv($w,relief) Priv($w,prelief) |
| 248 | } |
| 249 | |
| 250 | # Clean up the after event from the auto-repeater |
| 251 | after cancel $Priv(afterId) |
| 252 | |
| 253 | if {$Priv(window) eq $w && [$w cget -state] ne "disabled"} { |
| 254 | $w configure -state normal |
| 255 | |
| 256 | # Only invoke the command if it wasn't already invoked by the |
| 257 | # auto-repeater functionality |
| 258 | if { $Priv(repeated) == 0 } { |
| 259 | uplevel #0 [list $w invoke] |
| 260 | } |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | # ::tk::CheckRadioEnter -- |
| 266 | # The procedure below is invoked when the mouse pointer enters a |
| 267 | # checkbutton or radiobutton widget. It records the button we're in |
| 268 | # and changes the state of the button to active unless the button is |
| 269 | # disabled. |
| 270 | # |
| 271 | # Arguments: |
| 272 | # w - The name of the widget. |
| 273 | |
| 274 | proc ::tk::CheckRadioEnter w { |
| 275 | variable ::tk::Priv |
| 276 | if {[$w cget -state] ne "disabled"} { |
| 277 | if {$Priv(buttonWindow) eq $w} { |
| 278 | $w configure -state active |
| 279 | } |
| 280 | if {[set over [$w cget -overrelief]] ne ""} { |
| 281 | set Priv($w,relief) [$w cget -relief] |
| 282 | set Priv($w,prelief) $over |
| 283 | $w configure -relief $over |
| 284 | } |
| 285 | } |
| 286 | set Priv(window) $w |
| 287 | } |
| 288 | |
| 289 | # ::tk::CheckRadioDown -- |
| 290 | # The procedure below is invoked when the mouse button is pressed in |
| 291 | # a button widget. It records the fact that the mouse is in the button, |
| 292 | # saves the button's relief so it can be restored later, and changes |
| 293 | # the relief to sunken. |
| 294 | # |
| 295 | # Arguments: |
| 296 | # w - The name of the widget. |
| 297 | |
| 298 | proc ::tk::CheckRadioDown w { |
| 299 | variable ::tk::Priv |
| 300 | if {![info exists Priv($w,relief)]} { |
| 301 | set Priv($w,relief) [$w cget -relief] |
| 302 | } |
| 303 | if {[$w cget -state] ne "disabled"} { |
| 304 | set Priv(buttonWindow) $w |
| 305 | set Priv(repeated) 0 |
| 306 | $w configure -state active |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | } |
| 311 | |
| 312 | if {[string equal "x11" [tk windowingsystem]]} { |
| 313 | |
| 314 | ##################### |
| 315 | # Unix implementation |
| 316 | ##################### |
| 317 | |
| 318 | # ::tk::ButtonEnter -- |
| 319 | # The procedure below is invoked when the mouse pointer enters a |
| 320 | # button widget. It records the button we're in and changes the |
| 321 | # state of the button to active unless the button is disabled. |
| 322 | # |
| 323 | # Arguments: |
| 324 | # w - The name of the widget. |
| 325 | |
| 326 | proc ::tk::ButtonEnter {w} { |
| 327 | variable ::tk::Priv |
| 328 | if {[$w cget -state] ne "disabled"} { |
| 329 | # On unix the state is active just with mouse-over |
| 330 | $w configure -state active |
| 331 | |
| 332 | # If the mouse button is down, set the relief to sunken on entry. |
| 333 | # Overwise, if there's an -overrelief value, set the relief to that. |
| 334 | |
| 335 | set Priv($w,relief) [$w cget -relief] |
| 336 | if {$Priv(buttonWindow) eq $w} { |
| 337 | $w configure -relief sunken |
| 338 | set Priv($w,prelief) sunken |
| 339 | } elseif {[set over [$w cget -overrelief]] ne ""} { |
| 340 | $w configure -relief $over |
| 341 | set Priv($w,prelief) $over |
| 342 | } |
| 343 | } |
| 344 | set Priv(window) $w |
| 345 | } |
| 346 | |
| 347 | # ::tk::ButtonLeave -- |
| 348 | # The procedure below is invoked when the mouse pointer leaves a |
| 349 | # button widget. It changes the state of the button back to inactive. |
| 350 | # Restore any modified relief too. |
| 351 | # |
| 352 | # Arguments: |
| 353 | # w - The name of the widget. |
| 354 | |
| 355 | proc ::tk::ButtonLeave w { |
| 356 | variable ::tk::Priv |
| 357 | if {[$w cget -state] ne "disabled"} { |
| 358 | $w configure -state normal |
| 359 | } |
| 360 | |
| 361 | # Restore the original button relief if it was changed by Tk. |
| 362 | # That is signaled by the existence of Priv($w,prelief). |
| 363 | |
| 364 | if {[info exists Priv($w,relief)]} { |
| 365 | if {[info exists Priv($w,prelief)] && \ |
| 366 | $Priv($w,prelief) eq [$w cget -relief]} { |
| 367 | $w configure -relief $Priv($w,relief) |
| 368 | } |
| 369 | unset -nocomplain Priv($w,relief) Priv($w,prelief) |
| 370 | } |
| 371 | |
| 372 | set Priv(window) "" |
| 373 | } |
| 374 | |
| 375 | # ::tk::ButtonDown -- |
| 376 | # The procedure below is invoked when the mouse button is pressed in |
| 377 | # a button widget. It records the fact that the mouse is in the button, |
| 378 | # saves the button's relief so it can be restored later, and changes |
| 379 | # the relief to sunken. |
| 380 | # |
| 381 | # Arguments: |
| 382 | # w - The name of the widget. |
| 383 | |
| 384 | proc ::tk::ButtonDown w { |
| 385 | variable ::tk::Priv |
| 386 | |
| 387 | # Only save the button's relief if it does not yet exist. If there |
| 388 | # is an overrelief setting, Priv($w,relief) will already have been set, |
| 389 | # and the current value of the -relief option will be incorrect. |
| 390 | |
| 391 | if {![info exists Priv($w,relief)]} { |
| 392 | set Priv($w,relief) [$w cget -relief] |
| 393 | } |
| 394 | |
| 395 | if {[$w cget -state] ne "disabled"} { |
| 396 | set Priv(buttonWindow) $w |
| 397 | $w configure -relief sunken |
| 398 | set Priv($w,prelief) sunken |
| 399 | |
| 400 | # If this button has a repeatdelay set up, get it going with an after |
| 401 | after cancel $Priv(afterId) |
| 402 | set delay [$w cget -repeatdelay] |
| 403 | set Priv(repeated) 0 |
| 404 | if {$delay > 0} { |
| 405 | set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]] |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | # ::tk::ButtonUp -- |
| 411 | # The procedure below is invoked when the mouse button is released |
| 412 | # in a button widget. It restores the button's relief and invokes |
| 413 | # the command as long as the mouse hasn't left the button. |
| 414 | # |
| 415 | # Arguments: |
| 416 | # w - The name of the widget. |
| 417 | |
| 418 | proc ::tk::ButtonUp w { |
| 419 | variable ::tk::Priv |
| 420 | if {[string equal $w $Priv(buttonWindow)]} { |
| 421 | set Priv(buttonWindow) "" |
| 422 | |
| 423 | # Restore the button's relief if it was cached. |
| 424 | |
| 425 | if {[info exists Priv($w,relief)]} { |
| 426 | if {[info exists Priv($w,prelief)] && \ |
| 427 | $Priv($w,prelief) eq [$w cget -relief]} { |
| 428 | $w configure -relief $Priv($w,relief) |
| 429 | } |
| 430 | unset -nocomplain Priv($w,relief) Priv($w,prelief) |
| 431 | } |
| 432 | |
| 433 | # Clean up the after event from the auto-repeater |
| 434 | after cancel $Priv(afterId) |
| 435 | |
| 436 | if {$Priv(window) eq $w && [$w cget -state] ne "disabled"} { |
| 437 | # Only invoke the command if it wasn't already invoked by the |
| 438 | # auto-repeater functionality |
| 439 | if { $Priv(repeated) == 0 } { |
| 440 | uplevel #0 [list $w invoke] |
| 441 | } |
| 442 | } |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | } |
| 447 | |
| 448 | if {[string equal [tk windowingsystem] "classic"] |
| 449 | || [string equal [tk windowingsystem] "aqua"]} { |
| 450 | |
| 451 | #################### |
| 452 | # Mac implementation |
| 453 | #################### |
| 454 | |
| 455 | # ::tk::ButtonEnter -- |
| 456 | # The procedure below is invoked when the mouse pointer enters a |
| 457 | # button widget. It records the button we're in and changes the |
| 458 | # state of the button to active unless the button is disabled. |
| 459 | # |
| 460 | # Arguments: |
| 461 | # w - The name of the widget. |
| 462 | |
| 463 | proc ::tk::ButtonEnter {w} { |
| 464 | variable ::tk::Priv |
| 465 | if {[$w cget -state] ne "disabled"} { |
| 466 | |
| 467 | # If there's an -overrelief value, set the relief to that. |
| 468 | |
| 469 | if {$Priv(buttonWindow) eq $w} { |
| 470 | $w configure -state active |
| 471 | } elseif {[set over [$w cget -overrelief]] ne ""} { |
| 472 | set Priv($w,relief) [$w cget -relief] |
| 473 | set Priv($w,prelief) $over |
| 474 | $w configure -relief $over |
| 475 | } |
| 476 | } |
| 477 | set Priv(window) $w |
| 478 | } |
| 479 | |
| 480 | # ::tk::ButtonLeave -- |
| 481 | # The procedure below is invoked when the mouse pointer leaves a |
| 482 | # button widget. It changes the state of the button back to |
| 483 | # inactive. If we're leaving the button window with a mouse button |
| 484 | # pressed (Priv(buttonWindow) == $w), restore the relief of the |
| 485 | # button too. |
| 486 | # |
| 487 | # Arguments: |
| 488 | # w - The name of the widget. |
| 489 | |
| 490 | proc ::tk::ButtonLeave w { |
| 491 | variable ::tk::Priv |
| 492 | if {$w eq $Priv(buttonWindow)} { |
| 493 | $w configure -state normal |
| 494 | } |
| 495 | |
| 496 | # Restore the original button relief if it was changed by Tk. |
| 497 | # That is signaled by the existence of Priv($w,prelief). |
| 498 | |
| 499 | if {[info exists Priv($w,relief)]} { |
| 500 | if {[info exists Priv($w,prelief)] && \ |
| 501 | $Priv($w,prelief) eq [$w cget -relief]} { |
| 502 | $w configure -relief $Priv($w,relief) |
| 503 | } |
| 504 | unset -nocomplain Priv($w,relief) Priv($w,prelief) |
| 505 | } |
| 506 | |
| 507 | set Priv(window) "" |
| 508 | } |
| 509 | |
| 510 | # ::tk::ButtonDown -- |
| 511 | # The procedure below is invoked when the mouse button is pressed in |
| 512 | # a button widget. It records the fact that the mouse is in the button, |
| 513 | # saves the button's relief so it can be restored later, and changes |
| 514 | # the relief to sunken. |
| 515 | # |
| 516 | # Arguments: |
| 517 | # w - The name of the widget. |
| 518 | |
| 519 | proc ::tk::ButtonDown w { |
| 520 | variable ::tk::Priv |
| 521 | |
| 522 | if {[$w cget -state] ne "disabled"} { |
| 523 | set Priv(buttonWindow) $w |
| 524 | $w configure -state active |
| 525 | |
| 526 | # If this button has a repeatdelay set up, get it going with an after |
| 527 | after cancel $Priv(afterId) |
| 528 | set Priv(repeated) 0 |
| 529 | if { ![catch {$w cget -repeatdelay} delay] } { |
| 530 | if {$delay > 0} { |
| 531 | set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]] |
| 532 | } |
| 533 | } |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | # ::tk::ButtonUp -- |
| 538 | # The procedure below is invoked when the mouse button is released |
| 539 | # in a button widget. It restores the button's relief and invokes |
| 540 | # the command as long as the mouse hasn't left the button. |
| 541 | # |
| 542 | # Arguments: |
| 543 | # w - The name of the widget. |
| 544 | |
| 545 | proc ::tk::ButtonUp w { |
| 546 | variable ::tk::Priv |
| 547 | if {$Priv(buttonWindow) eq $w} { |
| 548 | set Priv(buttonWindow) "" |
| 549 | $w configure -state normal |
| 550 | |
| 551 | # Restore the button's relief if it was cached. |
| 552 | |
| 553 | if {[info exists Priv($w,relief)]} { |
| 554 | if {[info exists Priv($w,prelief)] && \ |
| 555 | $Priv($w,prelief) eq [$w cget -relief]} { |
| 556 | $w configure -relief $Priv($w,relief) |
| 557 | } |
| 558 | unset -nocomplain Priv($w,relief) Priv($w,prelief) |
| 559 | } |
| 560 | |
| 561 | # Clean up the after event from the auto-repeater |
| 562 | after cancel $Priv(afterId) |
| 563 | |
| 564 | if {$Priv(window) eq $w && [$w cget -state] ne "disabled"} { |
| 565 | # Only invoke the command if it wasn't already invoked by the |
| 566 | # auto-repeater functionality |
| 567 | if { $Priv(repeated) == 0 } { |
| 568 | uplevel #0 [list $w invoke] |
| 569 | } |
| 570 | } |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | } |
| 575 | |
| 576 | ################## |
| 577 | # Shared routines |
| 578 | ################## |
| 579 | |
| 580 | # ::tk::ButtonInvoke -- |
| 581 | # The procedure below is called when a button is invoked through |
| 582 | # the keyboard. It simulate a press of the button via the mouse. |
| 583 | # |
| 584 | # Arguments: |
| 585 | # w - The name of the widget. |
| 586 | |
| 587 | proc ::tk::ButtonInvoke w { |
| 588 | if {[$w cget -state] ne "disabled"} { |
| 589 | set oldRelief [$w cget -relief] |
| 590 | set oldState [$w cget -state] |
| 591 | $w configure -state active -relief sunken |
| 592 | update idletasks |
| 593 | after 100 |
| 594 | $w configure -state $oldState -relief $oldRelief |
| 595 | uplevel #0 [list $w invoke] |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | # ::tk::ButtonAutoInvoke -- |
| 600 | # |
| 601 | # Invoke an auto-repeating button, and set it up to continue to repeat. |
| 602 | # |
| 603 | # Arguments: |
| 604 | # w button to invoke. |
| 605 | # |
| 606 | # Results: |
| 607 | # None. |
| 608 | # |
| 609 | # Side effects: |
| 610 | # May create an after event to call ::tk::ButtonAutoInvoke. |
| 611 | |
| 612 | proc ::tk::ButtonAutoInvoke {w} { |
| 613 | variable ::tk::Priv |
| 614 | after cancel $Priv(afterId) |
| 615 | set delay [$w cget -repeatinterval] |
| 616 | if {$Priv(window) eq $w} { |
| 617 | incr Priv(repeated) |
| 618 | uplevel #0 [list $w invoke] |
| 619 | } |
| 620 | if {$delay > 0} { |
| 621 | set Priv(afterId) [after $delay [list tk::ButtonAutoInvoke $w]] |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | # ::tk::CheckRadioInvoke -- |
| 626 | # The procedure below is invoked when the mouse button is pressed in |
| 627 | # a checkbutton or radiobutton widget, or when the widget is invoked |
| 628 | # through the keyboard. It invokes the widget if it |
| 629 | # isn't disabled. |
| 630 | # |
| 631 | # Arguments: |
| 632 | # w - The name of the widget. |
| 633 | # cmd - The subcommand to invoke (one of invoke, select, or deselect). |
| 634 | |
| 635 | proc ::tk::CheckRadioInvoke {w {cmd invoke}} { |
| 636 | if {[$w cget -state] ne "disabled"} { |
| 637 | uplevel #0 [list $w $cmd] |
| 638 | } |
| 639 | } |