WINGs/wmisc.c

   1
   2 #include "WINGsP.h"
   3
   4 #include <wraster.h>
   5 #include <ctype.h>
   6
   7
   8 void
   9 W_DrawRelief(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
  10              unsigned int height, WMReliefType relief)
  11 {
  12     W_DrawReliefWithGC(scr, d, x, y, width, height, relief,
  13                        WMColorGC(scr->black), WMColorGC(scr->darkGray),
  14                        WMColorGC(scr->gray), WMColorGC(scr->white));
  15 }
  16
  17
  18 void
  19 W_DrawReliefWithGC(W_Screen *scr, Drawable d, int x, int y, unsigned int width,
  20                    unsigned int height, WMReliefType relief,
  21                    GC black, GC dark, GC light, GC white)
  22 {
  23     Display *dpy = scr->display;
  24     GC bgc;
  25     GC wgc;
  26     GC lgc;
  27     GC dgc;
  28
  29     switch (relief) {
  30      case WRSimple:
  31         XDrawRectangle(dpy, d, black, x, y, width-1, height-1);
  32         return;
  33
  34      case WRRaised:
  35         bgc = black;
  36         dgc = dark;
  37         wgc = white;
  38         lgc = light;
  39         break;
  40
  41      case WRSunken:
  42         wgc = dark;
  43         lgc = black;
  44         bgc = white;
  45         dgc = light;
  46         break;
  47
  48      case WRPushed:
  49         lgc = wgc = black;
  50         dgc = bgc = white;
  51         break;
  52
  53      case WRRidge:
  54         lgc = bgc = dark;
  55         dgc = wgc = white;
  56         break;
  57
  58      case WRGroove:
  59         wgc = dgc = dark;
  60         lgc = bgc = white;
  61         break;
  62
  63      default:
  64         return;
  65     }
  66     /* top left */
  67     XDrawLine(dpy, d, wgc, x, y, x+width-1, y);
  68     if (width > 2 && relief != WRRaised && relief!=WRPushed) {
  69         XDrawLine(dpy, d, lgc, x+1, y+1, x+width-3, y+1);
  70     }
  71
  72     XDrawLine(dpy, d, wgc, x, y, x, y+height-1);
  73     if (height > 2 && relief != WRRaised && relief!=WRPushed) {
  74         XDrawLine(dpy, d, lgc, x+1, y+1, x+1, y+height-3);
  75     }
  76
  77     /* bottom right */
  78     XDrawLine(dpy, d, bgc, x, y+height-1, x+width-1, y+height-1);
  79     if (width > 2 && relief!=WRPushed) {
  80         XDrawLine(dpy, d, dgc, x+1, y+height-2, x+width-2, y+height-2);
  81     }
  82
  83     XDrawLine(dpy, d, bgc, x+width-1, y, x+width-1, y+height-1);
  84     if (height > 2 && relief!=WRPushed) {
  85         XDrawLine(dpy, d, dgc, x+width-2, y+1, x+width-2, y+height-2);
  86     }
  87 }
  88
  89
  90
  91
  92 static int
  93 fitText(char *text, WMFont *font, int width, int wrap)
  94 {
  95     int i, j;
  96     int w;
  97
  98     if (text[0]==0)
  99         return 0;
 100
 101     i = 0;
 102     if (wrap) {
 103         if (text[0]=='\n')
 104             return 1;
 105
 106         do {
 107             i++;
 108             w = WMWidthOfString(font, text, i);
 109         } while (w < width && text[i]!='\n' && text[i]!=0);
 110
 111         if (text[i]=='\n')
 112             return i;
 113
 114         /* keep words complete */
 115         if (!isspace(text[i])) {
 116             j = i;
 117             while (j>1 && !isspace(text[j]) && text[j]!=0)
 118                 j--;
 119             if (j>1)
 120                 i = j;
 121         }
 122     } else {
 123         while (text[i]!='\n' && text[i]!=0)
 124             i++;
 125     }
 126     return i;
 127 }
 128
 129
 130 int
 131 W_GetTextHeight(WMFont *font, char *text, int width, int wrap)
 132 {
 133     char *ptr = text;
 134     int count;
 135     int length = strlen(text);
 136     int h;
 137     int fheight = WMFontHeight(font);
 138
 139     h = 0;
 140     while (length > 0) {
 141         count = fitText(ptr, font, width, wrap);
 142
 143         h += fheight;
 144
 145         if (isspace(ptr[count]))
 146             count++;
 147
 148         ptr += count;
 149         length -= count;
 150     }
 151     return h;
 152 }
 153
 154
 155 void
 156 W_PaintText(W_View *view, Drawable d, WMFont *font,  int x, int y,
 157             int width, WMAlignment alignment, GC gc,
 158             int wrap, char *text, int length)
 159 {
 160     char *ptr = text;
 161     int line_width;
 162     int line_x;
 163     int count;
 164     int fheight = WMFontHeight(font);
 165
 166     while (length > 0) {
 167         count = fitText(ptr, font, width, wrap);
 168
 169         line_width = WMWidthOfString(font, ptr, count);
 170         if (alignment==WALeft)
 171             line_x = x;
 172         else if (alignment==WARight)
 173             line_x = x + width - line_width;
 174         else
 175             line_x = x + (width - line_width) / 2;
 176
 177         WMDrawString(view->screen, d, gc, font, line_x, y, ptr, count);
 178
 179         if (wrap && ptr[count]!='\n')
 180             y += fheight;
 181
 182         while (ptr[count] && ptr[count]=='\n') {
 183             y += fheight;
 184             count++;
 185         }
 186
 187         ptr += count;
 188         length -= count;
 189     }
 190 }
 191
 192
 193 void
 194 W_PaintTextAndImage(W_View *view, int wrap, GC textGC, W_Font *font,
 195                     WMReliefType relief, char *text,
 196                     WMAlignment alignment,  W_Pixmap *image,
 197                     WMImagePosition position, GC backGC, int ofs)
 198 {
 199     W_Screen *screen = view->screen;
 200     int ix, iy;
 201     int x, y, w, h;
 202     Drawable d = view->window;
 203
 204
 205 #ifdef DOUBLE_BUFFER
 206     d = XCreatePixmap(screen->display, view->window,
 207                       view->size.width, view->size.height, screen->depth);
 208 #endif
 209
 210     /* background */
 211 #ifndef DOUBLE_BUFFER
 212     if (backGC) {
 213         XFillRectangle(screen->display, d, backGC,
 214                        0, 0, view->size.width, view->size.height);
 215     } else {
 216         XClearWindow(screen->display, d);
 217     }
 218 #else
 219     if (backGC)
 220         XFillRectangle(screen->display, d, backGC, 0, 0,
 221                        view->size.width, view->size.height);
 222     else {
 223         XSetForeground(screen->display, screen->copyGC,
 224                        view->attribs.background_pixel);
 225         XFillRectangle(screen->display, d, screen->copyGC, 0, 0,
 226                        view->size.width, view->size.height);
 227     }
 228 #endif
 229
 230
 231     if (relief == WRFlat) {
 232         x = 0;
 233         y = 0;
 234         w = view->size.width;
 235         h = view->size.height;
 236     } else {
 237         x = 1;
 238         y = 1;
 239         w = view->size.width - 3;
 240         h = view->size.height - 3;
 241     }
 242
 243     /* calc. image alignment */
 244     if (position!=WIPNoImage && image!=NULL) {
 245         switch (position) {
 246          case WIPOverlaps:
 247          case WIPImageOnly:
 248             ix = (view->size.width - image->width) / 2;
 249             iy = (view->size.height - image->height) / 2;
 250             /*
 251             x = 2;
 252             y = 0;
 253              */
 254             break;
 255
 256          case WIPLeft:
 257             ix = x;
 258             iy = y + (h - image->height) / 2;
 259             x = x + image->width + 5;
 260             y = 0;
 261             w -= image->width + 5;
 262             break;
 263
 264          case WIPRight:
 265             ix = view->size.width - image->width - x;
 266             iy = y + (h - image->height) / 2;
 267             w -= image->width + 5;
 268             break;
 269
 270          case WIPBelow:
 271             ix = (view->size.width - image->width) / 2;
 272             iy = h - image->height;
 273             y = 0;
 274             h -= image->height;
 275             break;
 276
 277          default:
 278          case WIPAbove:
 279             ix = (view->size.width - image->width) / 2;
 280             iy = y;
 281             y = image->height;
 282             h -= image->height;
 283             break;
 284         }
 285
 286         ix += ofs;
 287         iy += ofs;
 288
 289         XSetClipOrigin(screen->display, screen->clipGC, ix, iy);
 290         XSetClipMask(screen->display, screen->clipGC, image->mask);
 291
 292         if (image->depth==1)
 293             XCopyPlane(screen->display, image->pixmap, d, screen->clipGC,
 294                        0, 0, image->width, image->height, ix, iy, 1);
 295         else
 296             XCopyArea(screen->display, image->pixmap, d, screen->clipGC,
 297                       0, 0, image->width, image->height, ix, iy);
 298     }
 299
 300     /* draw text */
 301     if (position != WIPImageOnly && text!=NULL) {
 302         int textHeight;
 303
 304         textHeight = W_GetTextHeight(font, text, w-8, wrap);
 305         W_PaintText(view, d, font, x+ofs+4, y+ofs + (h-textHeight)/2, w-8,
 306                     alignment, textGC, wrap, text, strlen(text));
 307     }
 308
 309
 310     /* draw relief */
 311     W_DrawRelief(screen, d, 0, 0, view->size.width, view->size.height, relief);
 312
 313 #ifdef DOUBLE_BUFFER
 314     XCopyArea(screen->display, d, view->window, screen->copyGC, 0, 0,
 315               view->size.width, view->size.height, 0, 0);
 316     XFreePixmap(screen->display, d);
 317 #endif
 318 }
 319
 320
 321
 322 WMPoint
 323 wmkpoint(int x, int y)
 324 {
 325     WMPoint point;
 326
 327     point.x = x;
 328     point.y = y;
 329
 330     return point;
 331 }
 332
 333
 334 WMSize
 335 wmksize(unsigned int width, unsigned int height)
 336 {
 337     WMSize size;
 338
 339     size.width = width;
 340     size.height = height;
 341
 342     return size;
 343 }
 344
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