1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644
|
/****************************************************************************
* This module is all original code
* by Rob Nation
* Copyright 1993, Robert Nation
* You may use this code for any purpose, as long as the original
* copyright remains in the source code and all documentation
****************************************************************************/
/***********************************************************************
*
* window resizing borrowed from the "wm" window manager
*
***********************************************************************/
#include <FVWMconfig.h>
#include <stdio.h>
#include <X11/keysym.h>
#include "fvwm.h"
#include "misc.h"
#include "screen.h"
#include "parse.h"
static int dragx; /* all these variables are used */
static int dragy; /* in resize operations */
static int dragWidth;
static int dragHeight;
static int XOffset, YOffset;
static int origx;
static int origy;
static int origWidth;
static int origHeight;
static int ymotion=0, xmotion = 0;
static int last_width,last_height;
extern int menuFromFrameOrWindowOrTitlebar;
extern Window PressedW;
/****************************************************************************
*
* Starts a window resize operation
*
****************************************************************************/
void resize_window(XEvent *eventp, Window w, FvwmWindow *tmp_win,
unsigned long context, char *action, int *Module)
{
Bool finished = FALSE, done = FALSE, abort = FALSE;
int x, y, delta_x, delta_y;
Window ResizeWindow;
extern int Stashed_X, Stashed_Y;
Bool flags;
XGCValues gcv;
int val1, val2, val1_unit, val2_unit, n;
if (DeferExecution(eventp,&w,&tmp_win,&context, MOVE, ButtonPress))
return;
if(check_allowed_function2(F_RESIZE,tmp_win) == 0)
{
XBell(dpy, Scr.screen);
return;
}
n = GetTwoArguments(action, &val1, &val2, &val1_unit, &val2_unit);
tmp_win->flags &= ~MAXIMIZED;
/* Already checked this in functions.c, but its here too in case
* there's a resize on initial placement. */
if(check_allowed_function2(F_RESIZE,tmp_win) == 0)
{
XBell(dpy, Scr.screen);
return;
}
/* can't resize icons */
if(tmp_win->flags & ICONIFIED)
return;
ResizeWindow = tmp_win->frame;
/* Change DrawGC line width according to window's border width */
gcv.line_width = tmp_win->boundary_width - 1; /*2;*/
XChangeGC(dpy, Scr.DrawGC, GCLineWidth, &gcv);
if(n == 2)
{
dragWidth = val1*val1_unit/100;
dragHeight = val2*val2_unit/100;
dragWidth += (2*tmp_win->boundary_width);
dragHeight += (tmp_win->title_height + 2*tmp_win->boundary_width);
ConstrainSize (tmp_win, &dragWidth, &dragHeight);
SetupFrame (tmp_win, tmp_win->frame_x,
tmp_win->frame_y ,dragWidth, dragHeight,FALSE);
ResizeWindow = None;
return;
}
InstallRootColormap();
if (menuFromFrameOrWindowOrTitlebar)
{
/* warp the pointer to the cursor position from before menu appeared*/
/*XWarpPointer(dpy, None, Scr.Root, 0, 0, 0, 0, Stashed_X,Stashed_Y);*/
XFlush(dpy);
}
if(!GrabEm(MOVE))
{
XBell(dpy,Scr.screen);
return;
}
XGrabServer(dpy);
/* handle problems with edge-wrapping while resizing */
flags = Scr.flags;
Scr.flags &= ~(EdgeWrapX|EdgeWrapY);
XGetGeometry(dpy, (Drawable) ResizeWindow, &JunkRoot,
&dragx, &dragy, (unsigned int *)&dragWidth,
(unsigned int *)&dragHeight, &JunkBW,&JunkDepth);
XOffset = eventp->xbutton.x_root - dragx;
YOffset = eventp->xbutton.y_root - dragy;
dragx += tmp_win->bw;
dragy += tmp_win->bw;
origx = dragx;
origy = dragy;
origWidth = dragWidth;
origHeight = dragHeight;
ymotion=xmotion=0;
/* pop up a resize dimensions window */
XMapRaised(dpy, Scr.SizeWindow);
last_width = 0;
last_height = 0;
DisplaySize(tmp_win, origWidth, origHeight,True);
/* Get the current position to determine which border to resize */
if((PressedW != Scr.Root)&&(PressedW != None))
{
if(PressedW == tmp_win->sides[0]) /* top */
ymotion = 1;
if(PressedW == tmp_win->sides[1]) /* right */
xmotion = -1;
if(PressedW == tmp_win->sides[2]) /* bottom */
ymotion = -1;
if(PressedW == tmp_win->sides[3]) /* left */
xmotion = 1;
if(PressedW == tmp_win->corners[0]) /* upper-left */
{
ymotion = 1;
xmotion = 1;
}
if(PressedW == tmp_win->corners[1]) /* upper-right */
{
xmotion = -1;
ymotion = 1;
}
if(PressedW == tmp_win->corners[2]) /* lower left */
{
ymotion = -1;
xmotion = 1;
}
if(PressedW == tmp_win->corners[3]) /* lower right */
{
ymotion = -1;
xmotion = -1;
}
}
if (ymotion == -1) YOffset = dragHeight - YOffset;
if (xmotion == -1) XOffset = dragWidth - XOffset;
/* draw the rubber-band window */
MoveOutline (Scr.Root,
dragx - tmp_win->bw + tmp_win->boundary_width / 2,
dragy - tmp_win->bw + tmp_win->boundary_width / 2,
dragWidth + 2 * tmp_win->bw - tmp_win->boundary_width,
dragHeight + 2 * tmp_win->bw - tmp_win->boundary_width);
/* loop to resize */
while(!finished)
{
XMaskEvent(dpy, ButtonPressMask | ButtonReleaseMask | KeyPressMask |
ButtonMotionMask | PointerMotionMask | ExposureMask, &Event);
StashEventTime(&Event);
if (Event.type == MotionNotify)
/* discard any extra motion events before a release */
while(XCheckMaskEvent(dpy, ButtonMotionMask | ButtonReleaseMask |
PointerMotionMask,&Event))
{
StashEventTime(&Event);
if (Event.type == ButtonRelease) break;
}
done = FALSE;
/* Handle a limited number of key press events to allow mouseless
* operation */
if(Event.type == KeyPress)
Keyboard_shortcuts(&Event,ButtonRelease);
switch(Event.type)
{
case ButtonPress:
XAllowEvents(dpy,ReplayPointer,CurrentTime);
case KeyPress:
/* simple code to bag out of move - CKH */
if (XLookupKeysym(&(Event.xkey),0) == XK_Escape)
{
abort = TRUE;
finished = TRUE;
}
done = TRUE;
break;
case ButtonRelease:
finished = TRUE;
done = TRUE;
break;
case MotionNotify:
x = Event.xmotion.x_root;
y = Event.xmotion.y_root;
/* need to move the viewport */
HandlePaging(Scr.EdgeScrollX,Scr.EdgeScrollY,&x,&y,
&delta_x,&delta_y,False);
origx -= delta_x;
origy -= delta_y;
dragx -= delta_x;
dragy -= delta_y;
DoResize(x, y, tmp_win);
done = TRUE;
default:
break;
}
if(!done)
{
MoveOutline(Scr.Root,0,0,0,0);
DispatchEvent();
MoveOutline(Scr.Root,
dragx - tmp_win->bw + tmp_win->boundary_width / 2,
dragy - tmp_win->bw + tmp_win->boundary_width / 2,
dragWidth + 2 * tmp_win->bw - tmp_win->boundary_width,
dragHeight + 2 * tmp_win->bw - tmp_win->boundary_width);
}
}
/* erase the rubber-band */
MoveOutline(Scr.Root, 0, 0, 0, 0);
/* pop down the size window */
XUnmapWindow(dpy, Scr.SizeWindow);
if(!abort)
{
ConstrainSize (tmp_win, &dragWidth, &dragHeight);
SetupFrame (tmp_win, dragx - tmp_win->bw,
dragy - tmp_win->bw, dragWidth, dragHeight, FALSE);
}
UninstallRootColormap();
ResizeWindow = None;
XUngrabServer(dpy);
UngrabEm();
xmotion = 0;
ymotion = 0;
Scr.flags |= flags & (EdgeWrapX|EdgeWrapY);
return;
}
/***********************************************************************
*
* Procedure:
* DoResize - move the rubberband around. This is called for
* each motion event when we are resizing
*
* Inputs:
* x_root - the X corrdinate in the root window
* y_root - the Y corrdinate in the root window
* tmp_win - the current fvwm window
*
************************************************************************/
void DoResize(int x_root, int y_root, FvwmWindow *tmp_win)
{
int action=0;
/* resizing called from menu - find the border/corner the pointer
first time collides with */
if((xmotion == 0) && (ymotion == 0))
{
int ct; /* corner threshold */
if ((y_root <= origy) || (y_root >= origy + origHeight - 1))
{
ct = origWidth >> 2;
if (y_root <= origy) ymotion = 1;
if (y_root >= origy + origHeight - 1) ymotion = -1;
if (x_root <= origx + ct) xmotion = 1;
if (x_root >= origx + origWidth - ct - 1) xmotion = -1;
}
else if ((x_root <= origx) || (x_root >= origx + origWidth - 1))
{
ct = origHeight >> 2;
if (x_root <= origx) xmotion = 1;
if (x_root >= origx + origWidth - 1) xmotion = -1;
if (y_root <= origy + ct) ymotion = 1;
if (y_root >= origy + origHeight - ct - 1) ymotion = -1;
}
XOffset = x_root - dragx;
YOffset = y_root - dragy;
if (ymotion == -1) YOffset = dragHeight - YOffset;
if (xmotion == -1) XOffset = dragWidth - XOffset;
}
if ((ymotion == 1)&&(y_root < origy+origHeight-1))
{
dragy = y_root - YOffset;
dragHeight = origy + origHeight - y_root + YOffset;
action = 1;
}
else if ((ymotion == -1)&&(y_root > origy))
{
dragy = origy;
dragHeight = 1 + y_root - dragy + YOffset;
action = 1;
}
if ((xmotion == 1)&&(x_root < origx + origWidth - 1))
{
dragx = x_root - XOffset;
dragWidth = origx + origWidth - x_root + XOffset;
action = 1;
}
if ((xmotion == -1)&&(x_root > origx))
{
dragx = origx;
dragWidth = 1 + x_root - origx + XOffset;
action = 1;
}
if (action)
{
ConstrainSize (tmp_win, &dragWidth, &dragHeight);
if (xmotion == 1)
dragx = origx + origWidth - dragWidth;
if (ymotion == 1)
dragy = origy + origHeight - dragHeight;
MoveOutline(Scr.Root,
dragx - tmp_win->bw + tmp_win->boundary_width / 2,
dragy - tmp_win->bw + tmp_win->boundary_width / 2,
dragWidth + 2 * tmp_win->bw - tmp_win->boundary_width,
dragHeight + 2 * tmp_win->bw - tmp_win->boundary_width);
}
DisplaySize(tmp_win, dragWidth, dragHeight,False);
}
/***********************************************************************
*
* Procedure:
* DisplaySize - display the size in the dimensions window
*
* Inputs:
* tmp_win - the current fvwm window
* width - the width of the rubber band
* height - the height of the rubber band
*
***********************************************************************/
void DisplaySize(FvwmWindow *tmp_win, int width, int height,Bool Init)
{
char str[100];
int dwidth,dheight,offset;
if (last_width == width && last_height == height)
return;
last_width = width;
last_height = height;
dheight = height - tmp_win->title_height - 2*tmp_win->boundary_width;
dwidth = width - 2*tmp_win->boundary_width;
dwidth -= tmp_win->hints.base_width;
dheight -= tmp_win->hints.base_height;
dwidth /= tmp_win->hints.width_inc;
dheight /= tmp_win->hints.height_inc;
(void) sprintf (str, " %4d x %-4d ", dwidth, dheight);
offset = (Scr.SizeStringWidth + SIZE_HINDENT*2
- XTextWidth(Scr.StdFont.font,str,strlen(str)))/2;
if(Init)
{
XClearWindow(dpy,Scr.SizeWindow);
if(Scr.d_depth >= 2)
RelieveWindow(tmp_win,
Scr.SizeWindow,0,0,Scr.SizeStringWidth+ SIZE_HINDENT*2,
Scr.StdFont.height + SIZE_VINDENT*2,
Scr.WinReliefGC,Scr.WinShadowGC,FULL_HILITE);
}
else
{
XClearArea(dpy,Scr.SizeWindow,SIZE_HINDENT,SIZE_VINDENT,Scr.SizeStringWidth,
Scr.StdFont.height,False);
}
XDrawString (dpy, Scr.SizeWindow, Scr.WinGC,
offset, Scr.StdFont.font->ascent + SIZE_VINDENT, str, 13);
}
/***********************************************************************
*
* Procedure:
* ConstrainSize - adjust the given width and height to account for the
* constraints imposed by size hints
*
* The general algorithm, especially the aspect ratio stuff, is
* borrowed from uwm's CheckConsistency routine.
*
***********************************************************************/
void ConstrainSize (FvwmWindow *tmp_win, int *widthp, int *heightp)
{
#define makemult(a,b) ((b==1) ? (a) : (((int)((a)/(b))) * (b)) )
#define _min(a,b) (((a) < (b)) ? (a) : (b))
int minWidth, minHeight, maxWidth, maxHeight, xinc, yinc, delta;
int baseWidth, baseHeight;
int dwidth = *widthp, dheight = *heightp;
dwidth -= 2 *tmp_win->boundary_width;
dheight -= (tmp_win->title_height + 2*tmp_win->boundary_width);
minWidth = tmp_win->hints.min_width;
minHeight = tmp_win->hints.min_height;
baseWidth = tmp_win->hints.base_width;
baseHeight = tmp_win->hints.base_height;
maxWidth = tmp_win->hints.max_width;
maxHeight = tmp_win->hints.max_height;
/* maxWidth = Scr.VxMax + Scr.MyDisplayWidth;
maxHeight = Scr.VyMax + Scr.MyDisplayHeight;*/
xinc = tmp_win->hints.width_inc;
yinc = tmp_win->hints.height_inc;
/*
* First, clamp to min and max values
*/
if (dwidth < minWidth) dwidth = minWidth;
if (dheight < minHeight) dheight = minHeight;
if (dwidth > maxWidth) dwidth = maxWidth;
if (dheight > maxHeight) dheight = maxHeight;
/*
* Second, fit to base + N * inc
*/
dwidth = ((dwidth - baseWidth) / xinc * xinc) + baseWidth;
dheight = ((dheight - baseHeight) / yinc * yinc) + baseHeight;
/*
* Third, adjust for aspect ratio
*/
#define maxAspectX tmp_win->hints.max_aspect.x
#define maxAspectY tmp_win->hints.max_aspect.y
#define minAspectX tmp_win->hints.min_aspect.x
#define minAspectY tmp_win->hints.min_aspect.y
/*
* The math looks like this:
*
* minAspectX dwidth maxAspectX
* ---------- <= ------- <= ----------
* minAspectY dheight maxAspectY
*
* If that is multiplied out, then the width and height are
* invalid in the following situations:
*
* minAspectX * dheight > minAspectY * dwidth
* maxAspectX * dheight < maxAspectY * dwidth
*
*/
if (tmp_win->hints.flags & PAspect)
{
if ((minAspectX * dheight > minAspectY * dwidth)&&(xmotion == 0))
{
/* Change width to match */
delta = makemult(minAspectX * dheight / minAspectY - dwidth,
xinc);
if (dwidth + delta <= maxWidth)
dwidth += delta;
}
if (minAspectX * dheight > minAspectY * dwidth)
{
delta = makemult(dheight - dwidth*minAspectY/minAspectX,
yinc);
if (dheight - delta >= minHeight)
dheight -= delta;
else
{
delta = makemult(minAspectX*dheight / minAspectY - dwidth,
xinc);
if (dwidth + delta <= maxWidth)
dwidth += delta;
}
}
if ((maxAspectX * dheight < maxAspectY * dwidth)&&(ymotion == 0))
{
delta = makemult(dwidth * maxAspectY / maxAspectX - dheight,
yinc);
if (dheight + delta <= maxHeight)
dheight += delta;
}
if ((maxAspectX * dheight < maxAspectY * dwidth))
{
delta = makemult(dwidth - maxAspectX*dheight/maxAspectY,
xinc);
if (dwidth - delta >= minWidth)
dwidth -= delta;
else
{
delta = makemult(dwidth * maxAspectY / maxAspectX - dheight,
yinc);
if (dheight + delta <= maxHeight)
dheight += delta;
}
}
}
/*
* Fourth, account for border width and title height
*/
*widthp = dwidth + 2*tmp_win->boundary_width;
*heightp = dheight + tmp_win->title_height + 2*tmp_win->boundary_width;
return;
}
/***********************************************************************
*
* Procedure:
* MoveOutline - move a window outline
*
* Inputs:
* root - the window we are outlining
* x - upper left x coordinate
* y - upper left y coordinate
* width - the width of the rectangle
* height - the height of the rectangle
*
***********************************************************************/
void MoveOutline(Window root, int x, int y, int width, int height)
{
static int lastx = 0;
static int lasty = 0;
static int lastWidth = 0;
static int lastHeight = 0;
/* XRectangle rects[5]; */
if (x == lastx && y == lasty && width == lastWidth && height == lastHeight)
return;
/* undraw the old one, if any */
if (lastWidth || lastHeight)
{
/*
rects[0].x = lastx;
rects[0].y = lasty;
rects[0].width = lastWidth;
rects[0].height = lastHeight;
rects[1].x = lastx+1;
rects[1].y = lasty+1;
rects[1].width = lastWidth-2;
rects[1].height = lastHeight-2;
rects[2].x = lastx+2;
rects[2].y = lasty+2;
rects[2].width = lastWidth-4;
rects[2].height = lastHeight-4;
rects[3].x = lastx+3;
rects[3].y = lasty+3 + (lastHeight-6)/3;
rects[3].width = lastWidth-6;
rects[3].height = (lastHeight-6)/3;
rects[4].x = lastx+3 + (lastWidth-6)/3;
rects[4].y = lasty+3;
rects[4].width = (lastWidth-6)/3;
rects[4].height = (lastHeight-6);
XDrawRectangles(dpy,Scr.Root,Scr.DrawGC,rects,5);
*/
XDrawRectangle(dpy, Scr.Root, Scr.DrawGC, lastx, lasty, lastWidth, lastHeight);
}
lastx = x;
lasty = y;
lastWidth = width;
lastHeight = height;
/* draw the new one, if any */
if (lastWidth || lastHeight)
{
/*
rects[0].x = lastx;
rects[0].y = lasty;
rects[0].width = lastWidth;
rects[0].height = lastHeight;
rects[1].x = lastx+1;
rects[1].y = lasty+1;
rects[1].width = lastWidth-2;
rects[1].height = lastHeight-2;
rects[2].x = lastx+2;
rects[2].y = lasty+2;
rects[2].width = lastWidth-4;
rects[2].height = lastHeight-4;
rects[3].x = lastx+3;
rects[3].y = lasty+3 + (lastHeight-6)/3;
rects[3].width = lastWidth-6;
rects[3].height = (lastHeight-6)/3;
rects[4].x = lastx+3 + (lastWidth-6)/3;
rects[4].y = lasty+3;
rects[4].width = (lastWidth-6)/3;
rects[4].height = (lastHeight-6);
XDrawRectangles(dpy,Scr.Root,Scr.DrawGC,rects,5);
*/
XDrawRectangle(dpy, Scr.Root, Scr.DrawGC, lastx, lasty, lastWidth, lastHeight);
}
}
|