@ -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); | |||||