| 1 |
pcg |
1.1 |
/*--------------------------------*-C-*---------------------------------* |
| 2 |
pcg |
1.12 |
* File: xpm.C |
| 3 |
pcg |
1.1 |
*----------------------------------------------------------------------* |
| 4 |
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* |
| 5 |
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* All portions of code are copyright by their respective author/s. |
| 6 |
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* Copyright (c) 1997 Carsten Haitzler <raster@zip.com.au> |
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* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
| 8 |
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* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
| 12 |
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* the Free Software Foundation; either version 2 of the License, or |
| 13 |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
| 16 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 |
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* GNU General Public License for more details. |
| 19 |
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* |
| 20 |
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* You should have received a copy of the GNU General Public License |
| 21 |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 |
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*---------------------------------------------------------------------*/ |
| 24 |
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| 25 |
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#include "../config.h" /* NECESSARY */ |
| 26 |
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#include "rxvt.h" /* NECESSARY */ |
| 27 |
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| 28 |
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#ifdef XPM_BACKGROUND |
| 29 |
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| 30 |
root |
1.22 |
static void rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight); |
| 31 |
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| 32 |
pcg |
1.1 |
/* |
| 33 |
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* These GEOM strings indicate absolute size/position: |
| 34 |
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* @ `WxH+X+Y' |
| 35 |
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* @ `WxH+X' -> Y = X |
| 36 |
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* @ `WxH' -> Y = X = 50 |
| 37 |
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* @ `W+X+Y' -> H = W |
| 38 |
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* @ `W+X' -> H = W, Y = X |
| 39 |
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* @ `W' -> H = W, X = Y = 50 |
| 40 |
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* @ `0xH' -> H *= H/100, X = Y = 50 (W unchanged) |
| 41 |
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* @ `Wx0' -> W *= W/100, X = Y = 50 (H unchanged) |
| 42 |
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* @ `=+X+Y' -> (H, W unchanged) |
| 43 |
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* @ `=+X' -> Y = X (H, W unchanged) |
| 44 |
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* |
| 45 |
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* These GEOM strings adjust position relative to current position: |
| 46 |
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* @ `+X+Y' |
| 47 |
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* @ `+X' -> Y = X |
| 48 |
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* |
| 49 |
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* And this GEOM string is for querying current scale/position: |
| 50 |
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* @ `?' |
| 51 |
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*/ |
| 52 |
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int |
| 53 |
pcg |
1.5 |
rxvt_term::scale_pixmap (const char *geom) |
| 54 |
pcg |
1.1 |
{ |
| 55 |
pcg |
1.7 |
int flags, changed = 0; |
| 56 |
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int x = 0, y = 0; |
| 57 |
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unsigned int w = 0, h = 0; |
| 58 |
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unsigned int n; |
| 59 |
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char *p, *str; |
| 60 |
pcg |
1.9 |
bgPixmap_t *bgpixmap = & (bgPixmap); |
| 61 |
pcg |
1.1 |
|
| 62 |
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#define MAXLEN_GEOM sizeof("[1000x1000+1000+1000]") |
| 63 |
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| 64 |
pcg |
1.7 |
if (geom == NULL) |
| 65 |
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return 0; |
| 66 |
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str = (char *)rxvt_malloc (MAXLEN_GEOM + 1); |
| 67 |
root |
1.17 |
if (!strcmp (geom, "?")) |
| 68 |
pcg |
1.7 |
{ |
| 69 |
pcg |
1.9 |
sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */ |
| 70 |
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min (bgpixmap->w, 9999), min (bgpixmap->h, 9999), |
| 71 |
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min (bgpixmap->x, 9999), min (bgpixmap->y, 9999)); |
| 72 |
pcg |
1.11 |
process_xterm_seq (XTerm_title, str, CHAR_ST); |
| 73 |
pcg |
1.9 |
free (str); |
| 74 |
pcg |
1.7 |
return 0; |
| 75 |
pcg |
1.1 |
} |
| 76 |
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| 77 |
root |
1.17 |
if ((p = strchr (geom, ';')) == NULL) |
| 78 |
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p = strchr (geom, '\0'); |
| 79 |
pcg |
1.7 |
n = (p - geom); |
| 80 |
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if (n <= MAXLEN_GEOM) |
| 81 |
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{ |
| 82 |
root |
1.17 |
strncpy (str, geom, n); |
| 83 |
pcg |
1.7 |
str[n] = '\0'; |
| 84 |
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| 85 |
pcg |
1.9 |
flags = XParseGeometry (str, &x, &y, &w, &h); |
| 86 |
pcg |
1.7 |
if (!flags) |
| 87 |
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{ |
| 88 |
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flags |= WidthValue; |
| 89 |
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w = 0; |
| 90 |
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} /* default is tile */ |
| 91 |
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if (flags & WidthValue) |
| 92 |
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{ |
| 93 |
pcg |
1.9 |
if (! (flags & XValue)) |
| 94 |
pcg |
1.7 |
x = 50; |
| 95 |
pcg |
1.9 |
if (! (flags & HeightValue)) |
| 96 |
pcg |
1.7 |
h = w; |
| 97 |
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if (w && !h) |
| 98 |
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{ |
| 99 |
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w = (bgpixmap->w * w) / 100; |
| 100 |
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h = bgpixmap->h; |
| 101 |
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} |
| 102 |
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else if (h && !w) |
| 103 |
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{ |
| 104 |
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w = bgpixmap->w; |
| 105 |
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h = (bgpixmap->h * h) / 100; |
| 106 |
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} |
| 107 |
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if (w > 1000) |
| 108 |
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w = 1000; |
| 109 |
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if (h > 1000) |
| 110 |
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h = 1000; |
| 111 |
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if (bgpixmap->w != (short)w) |
| 112 |
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{ |
| 113 |
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bgpixmap->w = (short)w; |
| 114 |
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changed++; |
| 115 |
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} |
| 116 |
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if (bgpixmap->h != (short)h) |
| 117 |
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{ |
| 118 |
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bgpixmap->h = (short)h; |
| 119 |
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changed++; |
| 120 |
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} |
| 121 |
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} |
| 122 |
pcg |
1.9 |
if (! (flags & YValue)) |
| 123 |
pcg |
1.7 |
{ |
| 124 |
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if (flags & XNegative) |
| 125 |
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flags |= YNegative; |
| 126 |
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y = x; |
| 127 |
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} |
| 128 |
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|
| 129 |
pcg |
1.9 |
if (! (flags & WidthValue) && geom[0] != '=') |
| 130 |
pcg |
1.7 |
{ |
| 131 |
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x += bgpixmap->x; |
| 132 |
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y += bgpixmap->y; |
| 133 |
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} |
| 134 |
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else |
| 135 |
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{ |
| 136 |
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if (flags & XNegative) |
| 137 |
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x += 100; |
| 138 |
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if (flags & YNegative) |
| 139 |
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y += 100; |
| 140 |
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} |
| 141 |
root |
1.25 |
min_it (x, 100); |
| 142 |
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min_it (y, 100); |
| 143 |
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max_it (x, 0); |
| 144 |
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max_it (y, 0); |
| 145 |
pcg |
1.7 |
if (bgpixmap->x != x) |
| 146 |
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{ |
| 147 |
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bgpixmap->x = x; |
| 148 |
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changed++; |
| 149 |
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} |
| 150 |
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if (bgpixmap->y != y) |
| 151 |
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{ |
| 152 |
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bgpixmap->y = y; |
| 153 |
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changed++; |
| 154 |
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} |
| 155 |
pcg |
1.1 |
} |
| 156 |
pcg |
1.9 |
free (str); |
| 157 |
pcg |
1.7 |
return changed; |
| 158 |
pcg |
1.1 |
} |
| 159 |
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| 160 |
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void |
| 161 |
pcg |
1.5 |
rxvt_term::resize_pixmap () |
| 162 |
pcg |
1.1 |
{ |
| 163 |
pcg |
1.7 |
XGCValues gcvalue; |
| 164 |
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GC gc; |
| 165 |
pcg |
1.9 |
unsigned int width = TermWin_TotalWidth (); |
| 166 |
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unsigned int height = TermWin_TotalHeight (); |
| 167 |
root |
1.21 |
dDisp; |
| 168 |
pcg |
1.7 |
|
| 169 |
root |
1.24 |
if (pixmap != None) |
| 170 |
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XFreePixmap (disp, pixmap); |
| 171 |
pcg |
1.7 |
|
| 172 |
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if (bgPixmap.pixmap == None) |
| 173 |
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{ /* So be it: I'm not using pixmaps */ |
| 174 |
root |
1.24 |
pixmap = None; |
| 175 |
root |
1.20 |
|
| 176 |
root |
1.26 |
if (!OPTION (Opt_transparent) || !am_transparent) |
| 177 |
root |
1.24 |
XSetWindowBackground (disp, vt, |
| 178 |
root |
1.20 |
pix_colors[Color_bg]); |
| 179 |
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| 180 |
pcg |
1.7 |
return; |
| 181 |
pcg |
1.1 |
} |
| 182 |
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| 183 |
root |
1.17 |
gcvalue.foreground = pix_colors[Color_bg]; |
| 184 |
root |
1.24 |
gc = XCreateGC (disp, vt, GCForeground, &gcvalue); |
| 185 |
pcg |
1.1 |
|
| 186 |
pcg |
1.7 |
if (bgPixmap.pixmap != None) |
| 187 |
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{ /* we have a specified pixmap */ |
| 188 |
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unsigned int w = bgPixmap.w, h = bgPixmap.h, |
| 189 |
root |
1.20 |
x = bgPixmap.x, y = bgPixmap.y; |
| 190 |
pcg |
1.7 |
unsigned int xpmh = xpmAttr.height, |
| 191 |
root |
1.20 |
xpmw = xpmAttr.width; |
| 192 |
pcg |
1.7 |
|
| 193 |
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/* |
| 194 |
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* don't zoom pixmap too much nor expand really small pixmaps |
| 195 |
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*/ |
| 196 |
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if (w > 1000 || h > 1000) |
| 197 |
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w = 1; |
| 198 |
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else if (width > (10 * xpmw) |
| 199 |
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|| height > (10 * xpmh)) |
| 200 |
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w = 0; /* tile */ |
| 201 |
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| 202 |
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if (w == 0) |
| 203 |
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{ |
| 204 |
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/* basic X tiling - let the X server do it */ |
| 205 |
root |
1.24 |
pixmap = XCreatePixmap (disp, vt, |
| 206 |
pcg |
1.7 |
xpmw, xpmh, |
| 207 |
root |
1.14 |
(unsigned int)display->depth); |
| 208 |
root |
1.24 |
XCopyArea (disp, bgPixmap.pixmap, pixmap, gc, |
| 209 |
pcg |
1.7 |
0, 0, xpmw, xpmh, 0, 0); |
| 210 |
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} |
| 211 |
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else |
| 212 |
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{ |
| 213 |
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float incr, p; |
| 214 |
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Pixmap tmp; |
| 215 |
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| 216 |
root |
1.24 |
pixmap = XCreatePixmap (disp, vt, |
| 217 |
pcg |
1.7 |
width, height, |
| 218 |
root |
1.14 |
(unsigned int)display->depth); |
| 219 |
pcg |
1.7 |
/* |
| 220 |
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* horizontal scaling |
| 221 |
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*/ |
| 222 |
pcg |
1.9 |
rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw); |
| 223 |
pcg |
1.7 |
|
| 224 |
root |
1.24 |
tmp = XCreatePixmap (disp, vt, |
| 225 |
root |
1.14 |
width, xpmh, (unsigned int)display->depth); |
| 226 |
root |
1.21 |
XFillRectangle (disp, tmp, gc, 0, 0, width, |
| 227 |
pcg |
1.7 |
xpmh); |
| 228 |
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| 229 |
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for ( /*nil */ ; x < w; x++, p += incr) |
| 230 |
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{ |
| 231 |
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if (p >= xpmw) |
| 232 |
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p = 0; |
| 233 |
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/* copy one column from the original pixmap to the tmp pixmap */ |
| 234 |
root |
1.21 |
XCopyArea (disp, bgPixmap.pixmap, tmp, gc, |
| 235 |
pcg |
1.7 |
(int)p, 0, 1, xpmh, (int)x, 0); |
| 236 |
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} |
| 237 |
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| 238 |
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/* |
| 239 |
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* vertical scaling |
| 240 |
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*/ |
| 241 |
pcg |
1.9 |
rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh); |
| 242 |
pcg |
1.7 |
|
| 243 |
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if (y > 0) |
| 244 |
root |
1.24 |
XFillRectangle (disp, pixmap, gc, 0, 0, width, y); |
| 245 |
root |
1.20 |
|
| 246 |
pcg |
1.7 |
if (h < height) |
| 247 |
root |
1.24 |
XFillRectangle (disp, pixmap, gc, 0, (int)h, width, height - h + 1); |
| 248 |
root |
1.20 |
|
| 249 |
pcg |
1.7 |
for ( /*nil */ ; y < h; y++, p += incr) |
| 250 |
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{ |
| 251 |
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if (p >= xpmh) |
| 252 |
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p = 0; |
| 253 |
root |
1.20 |
|
| 254 |
pcg |
1.7 |
/* copy one row from the tmp pixmap to the main pixmap */ |
| 255 |
root |
1.24 |
XCopyArea (disp, tmp, pixmap, gc, |
| 256 |
pcg |
1.7 |
0, (int)p, width, 1, 0, (int)y); |
| 257 |
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} |
| 258 |
root |
1.20 |
|
| 259 |
root |
1.21 |
XFreePixmap (disp, tmp); |
| 260 |
pcg |
1.7 |
} |
| 261 |
pcg |
1.1 |
} |
| 262 |
root |
1.14 |
|
| 263 |
root |
1.24 |
XSetWindowBackgroundPixmap (disp, vt, pixmap); |
| 264 |
root |
1.21 |
XFreeGC (disp, gc); |
| 265 |
pcg |
1.7 |
am_transparent = 0; |
| 266 |
pcg |
1.1 |
} |
| 267 |
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|
| 268 |
|
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/* |
| 269 |
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* Calculate tiling sizes and increments |
| 270 |
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* At start, p == 0, incr == xpmwidthheight |
| 271 |
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*/ |
| 272 |
pcg |
1.6 |
static void |
| 273 |
pcg |
1.9 |
rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight) |
| 274 |
pcg |
1.1 |
{ |
| 275 |
pcg |
1.7 |
unsigned int cwh, cxy; |
| 276 |
|
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float cincr, cp; |
| 277 |
pcg |
1.1 |
|
| 278 |
pcg |
1.7 |
cp = 0; |
| 279 |
|
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cincr = (float)xpmwidthheight; |
| 280 |
|
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cxy = *xy; |
| 281 |
|
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cwh = *wh; |
| 282 |
|
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if (cwh == 1) |
| 283 |
|
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{ /* display one image, no horizontal/vertical scaling */ |
| 284 |
|
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cincr = (float)widthheight; |
| 285 |
|
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if (xpmwidthheight <= widthheight) |
| 286 |
|
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{ |
| 287 |
|
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cwh = xpmwidthheight; |
| 288 |
|
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cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */ |
| 289 |
|
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cwh += cxy; |
| 290 |
|
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} |
| 291 |
|
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else |
| 292 |
|
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{ |
| 293 |
|
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cxy = 0; |
| 294 |
|
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cwh = widthheight; |
| 295 |
|
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} |
| 296 |
pcg |
1.1 |
} |
| 297 |
pcg |
1.7 |
else if (cwh < 10) |
| 298 |
|
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{ /* fit WH images across/down screen */ |
| 299 |
|
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cincr *= cwh; |
| 300 |
|
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cxy = 0; |
| 301 |
|
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cwh = widthheight; |
| 302 |
|
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} |
| 303 |
|
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else |
| 304 |
|
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{ |
| 305 |
|
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cincr *= 100.0 / cwh; |
| 306 |
|
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if (cwh < 100) |
| 307 |
|
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{ /* contract */ |
| 308 |
|
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float pos; |
| 309 |
|
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|
| 310 |
|
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cwh = (cwh * widthheight) / 100; |
| 311 |
|
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pos = (float)cxy / 100 * widthheight - (cwh / 2); |
| 312 |
|
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|
| 313 |
|
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cxy = (widthheight - cwh); |
| 314 |
|
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if (pos <= 0) |
| 315 |
|
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cxy = 0; |
| 316 |
|
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else if (pos < cxy) |
| 317 |
|
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cxy = (int) pos; |
| 318 |
|
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cwh += cxy; |
| 319 |
|
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} |
| 320 |
|
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else |
| 321 |
|
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{ /* expand */ |
| 322 |
|
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if (cxy > 0) |
| 323 |
|
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{ /* position */ |
| 324 |
|
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float pos; |
| 325 |
|
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|
| 326 |
|
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pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2); |
| 327 |
|
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cp = xpmwidthheight - cincr; |
| 328 |
|
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if (pos <= 0) |
| 329 |
|
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cp = 0; |
| 330 |
|
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else if (pos < cp) |
| 331 |
|
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cp = pos; |
| 332 |
|
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} |
| 333 |
|
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cxy = 0; |
| 334 |
|
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cwh = widthheight; |
| 335 |
|
|
} |
| 336 |
|
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} |
| 337 |
|
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cincr /= widthheight; |
| 338 |
|
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*wh = cwh; |
| 339 |
|
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*xy = cxy; |
| 340 |
|
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*incr = cincr; |
| 341 |
|
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*p = cp; |
| 342 |
pcg |
1.1 |
} |
| 343 |
|
|
|
| 344 |
|
|
Pixmap |
| 345 |
pcg |
1.5 |
rxvt_term::set_bgPixmap (const char *file) |
| 346 |
pcg |
1.1 |
{ |
| 347 |
root |
1.21 |
char *f; |
| 348 |
pcg |
1.1 |
|
| 349 |
pcg |
1.9 |
assert (file != NULL); |
| 350 |
pcg |
1.1 |
|
| 351 |
pcg |
1.7 |
if (bgPixmap.pixmap != None) |
| 352 |
|
|
{ |
| 353 |
pcg |
1.9 |
XFreePixmap (display->display, bgPixmap.pixmap); |
| 354 |
pcg |
1.7 |
bgPixmap.pixmap = None; |
| 355 |
pcg |
1.1 |
} |
| 356 |
root |
1.19 |
|
| 357 |
root |
1.24 |
XSetWindowBackground (display->display, vt, pix_colors[Color_bg]); |
| 358 |
pcg |
1.1 |
|
| 359 |
pcg |
1.7 |
if (*file != '\0') |
| 360 |
|
|
{ |
| 361 |
|
|
/* XWindowAttributes attr; */ |
| 362 |
|
|
|
| 363 |
|
|
/* |
| 364 |
|
|
* we already have the required attributes |
| 365 |
|
|
*/ |
| 366 |
root |
1.24 |
/* XGetWindowAttributes (display->display, vt, &attr); */ |
| 367 |
pcg |
1.7 |
|
| 368 |
|
|
xpmAttr.closeness = 30000; |
| 369 |
root |
1.14 |
xpmAttr.colormap = display->cmap; |
| 370 |
|
|
xpmAttr.visual = display->visual; |
| 371 |
|
|
xpmAttr.depth = display->depth; |
| 372 |
pcg |
1.7 |
xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual | |
| 373 |
|
|
XpmDepth | XpmSize | XpmReturnPixels); |
| 374 |
|
|
|
| 375 |
|
|
/* search environment variables here too */ |
| 376 |
pcg |
1.9 |
f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]); |
| 377 |
pcg |
1.7 |
if (f == NULL |
| 378 |
pcg |
1.9 |
|| XpmReadFileToPixmap (display->display, display->root, f, |
| 379 |
pcg |
1.7 |
&bgPixmap.pixmap, NULL, |
| 380 |
|
|
&xpmAttr)) |
| 381 |
|
|
{ |
| 382 |
pcg |
1.10 |
char *p; |
| 383 |
pcg |
1.7 |
|
| 384 |
|
|
/* semi-colon delimited */ |
| 385 |
root |
1.17 |
if ((p = strchr (file, ';')) == NULL) |
| 386 |
|
|
p = strchr (file, '\0'); |
| 387 |
pcg |
1.7 |
|
| 388 |
root |
1.19 |
rxvt_warn ("couldn't load XPM file \"%.*s\", ignoring.\n", (p - file), file); |
| 389 |
pcg |
1.7 |
} |
| 390 |
pcg |
1.10 |
|
| 391 |
pcg |
1.9 |
free (f); |
| 392 |
pcg |
1.1 |
} |
| 393 |
pcg |
1.10 |
|
| 394 |
pcg |
1.7 |
resize_pixmap (); |
| 395 |
|
|
return bgPixmap.pixmap; |
| 396 |
pcg |
1.1 |
} |
| 397 |
|
|
|
| 398 |
|
|
#endif /* XPM_BACKGROUND */ |