@ -1,202 +0,0 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <stdio.h> | |||
#include <stdlib.h> | |||
#include <string.h> | |||
#include <X11/Xlib.h> | |||
#include "draw.h" | |||
#include "util.h" | |||
Draw * | |||
draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) { | |||
Draw *draw = (Draw *)calloc(1, sizeof(Draw)); | |||
draw->dpy = dpy; | |||
draw->screen = screen; | |||
draw->win = win; | |||
draw->w = w; | |||
draw->h = h; | |||
draw->drawable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen)); | |||
draw->gc = XCreateGC(dpy, win, 0, NULL); | |||
XSetLineAttributes(dpy, draw->gc, 1, LineSolid, CapButt, JoinMiter); | |||
return draw; | |||
} | |||
void | |||
draw_resize(Draw *draw, unsigned int w, unsigned int h) { | |||
if(!draw) | |||
return; | |||
draw->w = w; | |||
draw->h = h; | |||
XFreePixmap(draw->dpy, draw->drawable); | |||
draw->drawable = XCreatePixmap(draw->dpy, draw->win, w, h, DefaultDepth(draw->dpy, draw->screen)); | |||
} | |||
void | |||
draw_free(Draw *draw) { | |||
XFreePixmap(draw->dpy, draw->drawable); | |||
XFreeGC(draw->dpy, draw->gc); | |||
free(draw); | |||
} | |||
Fnt * | |||
draw_font_create(Draw *draw, const char *fontname) { | |||
Fnt *font; | |||
char *def, **missing; | |||
int n; | |||
if(!draw) | |||
return NULL; | |||
font = (Fnt *)calloc(1, sizeof(Fnt)); | |||
font->set = XCreateFontSet(draw->dpy, fontname, &missing, &n, &def); | |||
if(missing) { | |||
while(n--) | |||
fprintf(stderr, "draw: missing fontset: %s\n", missing[n]); | |||
XFreeStringList(missing); | |||
} | |||
if(font->set) { | |||
XFontStruct **xfonts; | |||
char **font_names; | |||
XExtentsOfFontSet(font->set); | |||
n = XFontsOfFontSet(font->set, &xfonts, &font_names); | |||
while(n--) { | |||
font->ascent = MAX(font->ascent, (*xfonts)->ascent); | |||
font->descent = MAX(font->descent,(*xfonts)->descent); | |||
xfonts++; | |||
} | |||
} | |||
else { | |||
if(!(font->xfont = XLoadQueryFont(draw->dpy, fontname)) | |||
&& !(font->xfont = XLoadQueryFont(draw->dpy, "fixed"))) | |||
die("error, cannot load font: '%s'\n", fontname); | |||
font->ascent = font->xfont->ascent; | |||
font->descent = font->xfont->descent; | |||
} | |||
font->h = font->ascent + font->descent; | |||
return font; | |||
} | |||
void | |||
draw_font_free(Draw *draw, Fnt *font) { | |||
if(!draw || !font) | |||
return; | |||
if(font->set) | |||
XFreeFontSet(draw->dpy, font->set); | |||
else | |||
XFreeFont(draw->dpy, font->xfont); | |||
free(font); | |||
} | |||
Col * | |||
draw_col_create(Draw *draw, const char *colname) { | |||
Col *col = (Col *)calloc(1, sizeof(Col)); | |||
Colormap cmap = DefaultColormap(draw->dpy, draw->screen); | |||
XColor color; | |||
if(!XAllocNamedColor(draw->dpy, cmap, colname, &color, &color)) | |||
die("error, cannot allocate color '%s'\n", colname); | |||
col->rgb = color.pixel; | |||
return col; | |||
} | |||
void | |||
draw_col_free(Draw *draw, Col *col) { | |||
if(!col) | |||
return; | |||
free(col); | |||
} | |||
void | |||
draw_setfont(Draw *draw, Fnt *font) { | |||
if(!draw) | |||
return; | |||
draw->font = font; | |||
} | |||
void | |||
draw_setfg(Draw *draw, Col *col) { | |||
if(!draw) | |||
return; | |||
draw->fg = col; | |||
} | |||
void | |||
draw_setbg(Draw *draw, Col *col) { | |||
if(!draw) | |||
return; | |||
draw->bg = col; | |||
} | |||
void | |||
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; | |||
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, 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; | |||
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; | |||
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, unsigned int len, TextExtents *extents) { | |||
XRectangle r; | |||
if(!draw || !draw->font || !text) | |||
return; | |||
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; | |||
} | |||
} |
@ -1,64 +0,0 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
struct _XCol { | |||
unsigned long rgb; | |||
}; | |||
typedef struct _XCol Col; | |||
struct _XFont { | |||
int ascent; | |||
int descent; | |||
unsigned int h; | |||
XFontSet set; | |||
XFontStruct *xfont; | |||
}; | |||
typedef struct _XFont Fnt; | |||
typedef struct _XDraw Draw; | |||
struct _XDraw { | |||
unsigned int w, h; | |||
Display *dpy; | |||
int screen; | |||
Window win; | |||
Drawable drawable; | |||
GC gc; | |||
Col *fg; | |||
Col *bg; | |||
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); | |||
void draw_free(Draw *draw); | |||
/* Fnt abstraction */ | |||
Fnt *draw_font_create(Draw *draw, const char *fontname); | |||
void draw_font_free(Draw *draw, Fnt *font); | |||
/* Colour abstraction */ | |||
Col *draw_col_create(Draw *draw, const char *colname); | |||
void draw_col_free(Draw *draw, Col *col); | |||
/* Drawing context manipulation */ | |||
void draw_setfont(Draw *draw, Fnt *font); | |||
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, 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, unsigned int len, TextExtents *extents); | |||
@ -0,0 +1,202 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
#include <stdio.h> | |||
#include <stdlib.h> | |||
#include <string.h> | |||
#include <X11/Xlib.h> | |||
#include "drw.h" | |||
#include "util.h" | |||
Drw * | |||
drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) { | |||
Drw *drw = (Drw *)calloc(1, sizeof(Drw)); | |||
drw->dpy = dpy; | |||
drw->screen = screen; | |||
drw->win = win; | |||
drw->w = w; | |||
drw->h = h; | |||
drw->drwable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen)); | |||
drw->gc = XCreateGC(dpy, win, 0, NULL); | |||
XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter); | |||
return drw; | |||
} | |||
void | |||
drw_resize(Drw *drw, unsigned int w, unsigned int h) { | |||
if(!drw) | |||
return; | |||
drw->w = w; | |||
drw->h = h; | |||
XFreePixmap(drw->dpy, drw->drwable); | |||
drw->drwable = XCreatePixmap(drw->dpy, drw->win, w, h, DefaultDepth(drw->dpy, drw->screen)); | |||
} | |||
void | |||
drw_free(Drw *drw) { | |||
XFreePixmap(drw->dpy, drw->drwable); | |||
XFreeGC(drw->dpy, drw->gc); | |||
free(drw); | |||
} | |||
Fnt * | |||
drw_font_create(Drw *drw, const char *fontname) { | |||
Fnt *font; | |||
char *def, **missing; | |||
int n; | |||
if(!drw) | |||
return NULL; | |||
font = (Fnt *)calloc(1, sizeof(Fnt)); | |||
font->set = XCreateFontSet(drw->dpy, fontname, &missing, &n, &def); | |||
if(missing) { | |||
while(n--) | |||
fprintf(stderr, "drw: missing fontset: %s\n", missing[n]); | |||
XFreeStringList(missing); | |||
} | |||
if(font->set) { | |||
XFontStruct **xfonts; | |||
char **font_names; | |||
XExtentsOfFontSet(font->set); | |||
n = XFontsOfFontSet(font->set, &xfonts, &font_names); | |||
while(n--) { | |||
font->ascent = MAX(font->ascent, (*xfonts)->ascent); | |||
font->descent = MAX(font->descent,(*xfonts)->descent); | |||
xfonts++; | |||
} | |||
} | |||
else { | |||
if(!(font->xfont = XLoadQueryFont(drw->dpy, fontname)) | |||
&& !(font->xfont = XLoadQueryFont(drw->dpy, "fixed"))) | |||
die("error, cannot load font: '%s'\n", fontname); | |||
font->ascent = font->xfont->ascent; | |||
font->descent = font->xfont->descent; | |||
} | |||
font->h = font->ascent + font->descent; | |||
return font; | |||
} | |||
void | |||
drw_font_free(Drw *drw, Fnt *font) { | |||
if(!drw || !font) | |||
return; | |||
if(font->set) | |||
XFreeFontSet(drw->dpy, font->set); | |||
else | |||
XFreeFont(drw->dpy, font->xfont); | |||
free(font); | |||
} | |||
Clr * | |||
drw_clr_create(Drw *drw, const char *clrname) { | |||
Clr *clr = (Clr *)calloc(1, sizeof(Clr)); | |||
Colormap cmap = DefaultColormap(drw->dpy, drw->screen); | |||
XColor color; | |||
if(!XAllocNamedColor(drw->dpy, cmap, clrname, &color, &color)) | |||
die("error, cannot allocate color '%s'\n", clrname); | |||
clr->rgb = color.pixel; | |||
return clr; | |||
} | |||
void | |||
drw_clr_free(Drw *drw, Clr *clr) { | |||
if(!clr) | |||
return; | |||
free(clr); | |||
} | |||
void | |||
drw_setfont(Drw *drw, Fnt *font) { | |||
if(!drw) | |||
return; | |||
drw->font = font; | |||
} | |||
void | |||
drw_setfg(Drw *drw, Clr *clr) { | |||
if(!drw) | |||
return; | |||
drw->fg = clr; | |||
} | |||
void | |||
drw_setbg(Drw *drw, Clr *clr) { | |||
if(!drw) | |||
return; | |||
drw->bg = clr; | |||
} | |||
void | |||
drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) { | |||
int dx; | |||
if(!drw || !drw->font || !drw->fg || !drw->bg) | |||
return; | |||
XSetForeground(drw->dpy, drw->gc, invert ? drw->bg->rgb : drw->fg->rgb); | |||
dx = (drw->font->ascent + drw->font->descent + 2) / 4; | |||
if(filled) | |||
XFillRectangle(drw->dpy, drw->drwable, drw->gc, x+1, y+1, dx+1, dx+1); | |||
else if(empty) | |||
XDrawRectangle(drw->dpy, drw->drwable, drw->gc, x+1, y+1, dx, dx); | |||
} | |||
void | |||
drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert) { | |||
char buf[256]; | |||
int i, tx, ty, len, olen; | |||
Extnts tex; | |||
if(!drw || !drw->fg || !drw->bg) | |||
return; | |||
XSetForeground(drw->dpy, drw->gc, invert ? drw->fg->rgb : drw->bg->rgb); | |||
XFillRectangle(drw->dpy, drw->drwable, drw->gc, x, y, w, h); | |||
if(!text || !drw->font) | |||
return; | |||
olen = strlen(text); | |||
drw_getexts(drw, 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--) | |||
drw_getexts(drw, text, len, &tex); | |||
if(!len) | |||
return; | |||
memcpy(buf, text, len); | |||
if(len < olen) | |||
for(i = len; i && i > len - 3; buf[--i] = '.'); | |||
XSetForeground(drw->dpy, drw->gc, invert ? drw->bg->rgb : drw->fg->rgb); | |||
if(drw->font->set) | |||
XmbDrawString(drw->dpy, drw->drwable, drw->font->set, drw->gc, tx, ty, buf, len); | |||
else | |||
XDrawString(drw->dpy, drw->drwable, drw->gc, tx, ty, buf, len); | |||
} | |||
void | |||
drw_map(Drw *drw, int x, int y, unsigned int w, unsigned int h) { | |||
if(!drw) | |||
return; | |||
XCopyArea(drw->dpy, drw->drwable, drw->win, drw->gc, x, y, w, h, x, y); | |||
XSync(drw->dpy, False); | |||
} | |||
void | |||
drw_getexts(Drw *drw, const char *text, unsigned int len, Extnts *tex) { | |||
XRectangle r; | |||
if(!drw || !drw->font || !text) | |||
return; | |||
if(drw->font->set) { | |||
XmbTextExtents(drw->font->set, text, len, NULL, &r); | |||
tex->xOff = r.x; | |||
tex->yOff = r.y; | |||
tex->w = r.width; | |||
tex->h = r.height; | |||
} | |||
else { | |||
tex->h = drw->font->ascent + drw->font->descent; | |||
tex->w = XTextWidth(drw->font->xfont, text, len); | |||
tex->xOff = tex->h / 2; | |||
tex->yOff = (tex->h / 2) + drw->font->ascent; | |||
} | |||
} |
@ -0,0 +1,61 @@ | |||
/* See LICENSE file for copyright and license details. */ | |||
typedef struct { | |||
unsigned long rgb; | |||
} Clr; | |||
typedef struct { | |||
int ascent; | |||
int descent; | |||
unsigned int h; | |||
XFontSet set; | |||
XFontStruct *xfont; | |||
} Fnt; | |||
typedef struct { | |||
unsigned int w, h; | |||
Display *dpy; | |||
int screen; | |||
Window win; | |||
Drawable drwable; | |||
GC gc; | |||
Clr *fg; | |||
Clr *bg; | |||
Fnt *font; | |||
} Drw; | |||
typedef struct { | |||
unsigned int w; | |||
unsigned int h; | |||
int xOff; | |||
int yOff; | |||
} Extnts; | |||
/* Drawable abstraction */ | |||
Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h); | |||
void drw_resize(Drw *drw, unsigned int w, unsigned int h); | |||
void drw_free(Drw *drw); | |||
/* Fnt abstraction */ | |||
Fnt *drw_font_create(Drw *drw, const char *fontname); | |||
void drw_font_free(Drw *drw, Fnt *font); | |||
/* Clrour abstraction */ | |||
Clr *drw_clr_create(Drw *drw, const char *clrname); | |||
void drw_clr_free(Drw *drw, Clr *clr); | |||
/* Drawing context manipulation */ | |||
void drw_setfont(Drw *drw, Fnt *font); | |||
void drw_setfg(Drw *drw, Clr *clr); | |||
void drw_setbg(Drw *drw, Clr *clr); | |||
/* Drawing functions */ | |||
void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert); | |||
void drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert); | |||
/* Map functions */ | |||
void drw_map(Drw *drw, int x, int y, unsigned int w, unsigned int h); | |||
/* Text functions */ | |||
void drw_getexts(Drw *drw, const char *text, unsigned int len, Extnts *extnts); | |||