diff options
| -rw-r--r-- | draw.c | 75 | ||||
| -rw-r--r-- | draw.h | 25 |
2 files changed, 71 insertions, 29 deletions
@@ -1,6 +1,7 @@ /* See LICENSE file for copyright and license details. */ #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <X11/Xlib.h> #include "draw.h" @@ -55,7 +56,6 @@ draw_font_create(Draw *draw, const char *fontname) { if(font->set) { XFontStruct **xfonts; char **font_names; - XExtentsOfFontSet(font->set); n = XFontsOfFontSet(font->set, &xfonts, &font_names); while(n--) { @@ -107,49 +107,96 @@ draw_col_free(Draw *draw, Col *col) { void draw_setfont(Draw *draw, Fnt *font) { - if(!draw || !font) + if(!draw) return; draw->font = font; } void draw_setfg(Draw *draw, Col *col) { - if(!draw || !col) + if(!draw) return; draw->fg = col; } void draw_setbg(Draw *draw, Col *col) { - if(!draw || !col) + if(!draw) return; draw->bg = col; } void -draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h) { - if(!draw) +draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) { + int dx; + + if(!draw || !draw->font || !draw->fg || !draw->bg) return; - /* TODO: draw the rectangle */ + XSetForeground(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb); + dx = (draw->font->ascent + draw->font->descent + 2) / 4; + if(filled) + XFillRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx+1, dx+1); + else if(empty) + XDrawRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx, dx); } void -draw_text(Draw *draw, int x, int y, const char *text) { - if(!draw) +draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert) { + char buf[256]; + int i, tx, ty, len, olen; + TextExtents tex; + + if(!draw || !draw->fg || !draw->bg) return; - /* TODO: draw the text */ + XSetForeground(draw->dpy, draw->gc, invert ? draw->fg->rgb : draw->bg->rgb); + XFillRectangle(draw->dpy, draw->drawable, draw->gc, x, y, w, h); + if(!text || !draw->font) + return; + olen = strlen(text); + draw_getextents(draw, text, olen, &tex); + ty = y + (h / 2) - tex.yOff; + tx = x + tex.xOff; + /* shorten text if necessary */ + for(len = MIN(olen, sizeof buf); len && tex.w > w - tex.h; len--) + draw_getextents(draw, text, len, &tex); + if(!len) + return; + memcpy(buf, text, len); + if(len < olen) + for(i = len; i && i > len - 3; buf[--i] = '.'); + XSetForeground(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb); + if(draw->font->set) + XmbDrawString(draw->dpy, draw->drawable, draw->font->set, draw->gc, tx, ty, buf, len); + else + XDrawString(draw->dpy, draw->drawable, draw->gc, tx, ty, buf, len); } void draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) { if(!draw) return; - /* TODO: map the draw contents in the region */ + XCopyArea(draw->dpy, draw->drawable, draw->win, draw->gc, x, y, w, h, x, y); + XSync(draw->dpy, False); } + void -draw_getextents(Draw *draw, const char *text, TextExtents *extents) { - if(!draw || !extents) +draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents) { + XRectangle r; + + if(!draw || !draw->font || !text) return; - /* TODO: get extents */ + if(draw->font->set) { + XmbTextExtents(draw->font->set, text, len, NULL, &r); + extents->xOff = r.x; + extents->yOff = r.y; + extents->w = r.width; + extents->h = r.height; + } + else { + extents->h = draw->font->ascent + draw->font->descent; + extents->w = XTextWidth(draw->font->xfont, text, len); + extents->xOff = extents->h / 2; + extents->yOff = (extents->h / 2) + draw->font->ascent; + } } @@ -13,19 +13,7 @@ struct _XFont { XFontStruct *xfont; }; typedef struct _XFont Fnt; -/* X11 types - end */ -typedef struct { - unsigned int w; - unsigned int h; - int x; - int y; - int xOff; - int yOff; -} TextExtents; - - -/* X11 types - begin */ typedef struct _XDraw Draw; struct _XDraw { unsigned int w, h; @@ -39,6 +27,13 @@ struct _XDraw { Fnt *font; }; +typedef struct { + unsigned int w; + unsigned int h; + int xOff; + int yOff; +} TextExtents; + /* Drawable abstraction */ Draw *draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h); void draw_resize(Draw *draw, unsigned int w, unsigned int h); @@ -58,12 +53,12 @@ void draw_setfg(Draw *draw, Col *col); void draw_setbg(Draw *draw, Col *col); /* Drawing functions */ -void draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h); -void draw_text(Draw *draw, int x, int y, const char *text); +void draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert); +void draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert); /* Map functions */ void draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h); /* Text functions */ -void draw_getextents(Draw *draw, const char *text, TextExtents *extents); +void draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents); |