libsl

shared code master of various suckless projects
git clone git://git.suckless.org/libsl
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commit 397537761c5a6303bba45c273327786570fc4a2e
parent bd41463268c70fcbec5422aa30c68d126418d59a
Author: Anselm R Garbe <anselm@garbe.us>
Date:   Sun, 16 Jun 2013 15:21:30 +0200

added new drw changes of dwm

Diffstat:
drw.c | 137++++++++++++++++++++++++++++++++++++++++++++-----------------------------------
drw.h | 46+++++++++++++++++++++++++++-------------------
2 files changed, 103 insertions(+), 80 deletions(-)

diff --git a/drw.c b/drw.c @@ -8,17 +8,17 @@ #include "util.h" Drw * -drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) { +drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h) { Drw *drw = (Drw *)calloc(1, sizeof(Drw)); if(!drw) return NULL; drw->dpy = dpy; drw->screen = screen; - drw->win = win; + drw->root = root; drw->w = w; drw->h = h; - drw->drwable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen)); - drw->gc = XCreateGC(dpy, win, 0, NULL); + drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen)); + drw->gc = XCreateGC(dpy, root, 0, NULL); XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter); return drw; } @@ -29,29 +29,28 @@ drw_resize(Drw *drw, unsigned int w, unsigned int h) { 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)); + if(drw->drawable != 0) + XFreePixmap(drw->dpy, drw->drawable); + drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen)); } void drw_free(Drw *drw) { - XFreePixmap(drw->dpy, drw->drwable); + XFreePixmap(drw->dpy, drw->drawable); XFreeGC(drw->dpy, drw->gc); free(drw); } Fnt * -drw_font_create(Drw *drw, const char *fontname) { +drw_font_create(Display *dpy, const char *fontname) { Fnt *font; char *def, **missing; int n; - if(!drw) - return NULL; font = (Fnt *)calloc(1, sizeof(Fnt)); if(!font) return NULL; - font->set = XCreateFontSet(drw->dpy, fontname, &missing, &n, &def); + font->set = XCreateFontSet(dpy, fontname, &missing, &n, &def); if(missing) { while(n--) fprintf(stderr, "drw: missing fontset: %s\n", missing[n]); @@ -69,11 +68,9 @@ drw_font_create(Drw *drw, const char *fontname) { } } else { - if(!(font->xfont = XLoadQueryFont(drw->dpy, fontname)) - && !(font->xfont = XLoadQueryFont(drw->dpy, "fixed"))) { - free(font); - return NULL; - } + if(!(font->xfont = XLoadQueryFont(dpy, fontname)) + && !(font->xfont = XLoadQueryFont(dpy, "fixed"))) + die("error, cannot load font: '%s'\n", fontname); font->ascent = font->xfont->ascent; font->descent = font->xfont->descent; } @@ -82,13 +79,13 @@ drw_font_create(Drw *drw, const char *fontname) { } void -drw_font_free(Drw *drw, Fnt *font) { - if(!drw || !font) +drw_font_free(Display *dpy, Fnt *font) { + if(!font) return; if(font->set) - XFreeFontSet(drw->dpy, font->set); + XFreeFontSet(dpy, font->set); else - XFreeFont(drw->dpy, font->xfont); + XFreeFont(dpy, font->xfont); free(font); } @@ -111,9 +108,7 @@ drw_clr_create(Drw *drw, const char *clrname) { } void -drw_clr_free(Drw *drw, Clr *clr) { - if(!drw) - return; +drw_clr_free(Clr *clr) { if(!clr) return; free(clr); @@ -126,88 +121,108 @@ drw_setfont(Drw *drw, Fnt *font) { } void -drw_setfg(Drw *drw, Clr *clr) { - if(drw) - drw->fg = clr; -} - -void -drw_setbg(Drw *drw, Clr *clr) { - if(drw) - drw->bg = clr; +drw_settheme(Drw *drw, Theme *theme) { + if(!drw || !theme) + return; + drw->theme = theme; } void -drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) { +drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert) { int dx; - if(!drw || !drw->font || !drw->fg || !drw->bg) + if(!drw || !drw->font || !drw->theme) return; - XSetForeground(drw->dpy, drw->gc, invert ? drw->bg->rgb : drw->fg->rgb); + XSetForeground(drw->dpy, drw->gc, invert ? drw->theme->bg->rgb : drw->theme->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); + XFillRectangle(drw->dpy, drw->drawable, 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); + XDrawRectangle(drw->dpy, drw->drawable, 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) { +drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert) { char buf[256]; - int i, tx, ty, len, olen; + int i, tx, ty, th, len, olen; Extnts tex; - if(!drw || !drw->fg || !drw->bg) + if(!drw || !drw->theme) return; - XSetForeground(drw->dpy, drw->gc, invert ? drw->fg->rgb : drw->bg->rgb); - XFillRectangle(drw->dpy, drw->drwable, drw->gc, x, y, w, h); + XSetForeground(drw->dpy, drw->gc, invert ? drw->theme->fg->rgb : drw->theme->bg->rgb); + XFillRectangle(drw->dpy, drw->drawable, 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; + drw_font_getexts(drw->font, text, olen, &tex); + th = drw->font->ascent + drw->font->descent; + ty = y + (h / 2) - (th / 2) + drw->font->ascent; + tx = x + (h / 2); /* shorten text if necessary */ for(len = MIN(olen, sizeof buf); len && tex.w > w - tex.h; len--) - drw_getexts(drw, text, len, &tex); + drw_font_getexts(drw->font, 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); + XSetForeground(drw->dpy, drw->gc, invert ? drw->theme->bg->rgb : drw->theme->fg->rgb); if(drw->font->set) - XmbDrawString(drw->dpy, drw->drwable, drw->font->set, drw->gc, tx, ty, buf, len); + XmbDrawString(drw->dpy, drw->drawable, drw->font->set, drw->gc, tx, ty, buf, len); else - XDrawString(drw->dpy, drw->drwable, drw->gc, tx, ty, buf, len); + XDrawString(drw->dpy, drw->drawable, drw->gc, tx, ty, buf, len); } void -drw_map(Drw *drw, int x, int y, unsigned int w, unsigned int h) { +drw_map(Drw *drw, Window win, 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); + XCopyArea(drw->dpy, drw->drawable, 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) { +drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex) { XRectangle r; - if(!drw || !drw->font || !text) + if(!font || !text) return; - if(drw->font->set) { - XmbTextExtents(drw->font->set, text, len, NULL, &r); - tex->xOff = r.x; - tex->yOff = r.y; + if(font->set) { + XmbTextExtents(font->set, text, len, NULL, &r); 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; + tex->h = font->ascent + font->descent; + tex->w = XTextWidth(font->xfont, text, len); } } + +unsigned int +drw_font_getexts_width(Fnt *font, const char *text, unsigned int len) { + Extnts tex; + + if(!font) + return -1; + drw_font_getexts(font, text, len, &tex); + return tex.w; +} + +Cur * +drw_cur_create(Drw *drw, int shape) { + Cur *cur = (Cur *)calloc(1, sizeof(Cur)); + + if(!drw || !cur) + return NULL; + cur->cursor = XCreateFontCursor(drw->dpy, shape); + return cur; +} + +void +drw_cur_free(Drw *drw, Cur *cursor) { + if(!drw || !cursor) + return; + XFreeCursor(drw->dpy, cursor->cursor); + free(cursor); +} diff --git a/drw.h b/drw.h @@ -5,6 +5,10 @@ typedef struct { } Clr; typedef struct { + Cursor cursor; +} Cur; + +typedef struct { int ascent; int descent; unsigned int h; @@ -13,22 +17,25 @@ typedef struct { } Fnt; typedef struct { + Clr *fg; + Clr *bg; + Clr *border; +} Theme; + +typedef struct { unsigned int w, h; Display *dpy; int screen; - Window win; - Drawable drwable; + Window root; + Drawable drawable; GC gc; - Clr *fg; - Clr *bg; + Theme *theme; Fnt *font; } Drw; typedef struct { unsigned int w; unsigned int h; - int xOff; - int yOff; } Extnts; /* Drawable abstraction */ @@ -37,25 +44,26 @@ 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); +Fnt *drw_font_create(Display *dpy, const char *fontname); +void drw_font_free(Display *dpy, Fnt *font); +void drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *extnts); +unsigned int drw_font_getexts_width(Fnt *font, const char *text, unsigned int len); -/* Clrour abstraction */ +/* Colour abstraction */ Clr *drw_clr_create(Drw *drw, const char *clrname); -void drw_clr_free(Drw *drw, Clr *clr); +void drw_clr_free(Clr *clr); + +/* Cursor abstraction */ +Cur *drw_cur_create(Drw *drw, int shape); +void drw_cur_free(Drw *drw, Cur *cursor); /* Drawing context manipulation */ void drw_setfont(Drw *drw, Fnt *font); -void drw_setfg(Drw *drw, Clr *clr); -void drw_setbg(Drw *drw, Clr *clr); +void drw_settheme(Drw *drw, Theme *theme); /* 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); +void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert); +void drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int 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); - +void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h);