X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/e1deda9e040c052af62aecc2fb4ee770fb2496a2..0a673ad7a37f3a1bdda7cef316bda300f8f181eb:/draw.c diff --git a/draw.c b/draw.c index bb5ac27..df5aeec 100644 --- a/draw.c +++ b/draw.c @@ -1,137 +1,144 @@ -/* © 2006-2007 Anselm R. Garbe - * © 2006-2007 Sander van Dijk - * © 2007 Premysl Hruby - * See LICENSE file for license details. */ -#include "dwm.h" -#include - -/* static */ - -static void -drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]) { - int x; - XGCValues gcv; - XRectangle r = { dc.x, dc.y, dc.w, dc.h }; - - gcv.foreground = col[ColFG]; - XChangeGC(dpy, dc.gc, GCForeground, &gcv); - x = (dc.font.ascent + dc.font.descent + 2) / 4; - r.x = dc.x + 1; - r.y = dc.y + 1; - if(filled) { - r.width = r.height = x + 1; - XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); - } - else if(empty) { - r.width = r.height = x; - XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1); - } -} - -static Bool -isoccupied(unsigned int t) { - Client *c; - - for(c = clients; c; c = c->next) - if(c->tags[t]) - return True; - return False; -} - -static unsigned int -textnw(const char *text, unsigned int len) { - XRectangle r; - - if(dc.font.set) { - XmbTextExtents(dc.font.set, text, len, NULL, &r); - return r.width; - } - return XTextWidth(dc.font.xfont, text, len); -} - -/* extern */ +/* See LICENSE file for copyright and license details. */ +#include +#include + +#include "draw.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); +} + +DDC * +dc_create(Draw *draw) { + DDC *dc = (DDC *)calloc(1, sizeof(DDC)); + dc->draw = draw; + dc->next = draw->dc; + draw->dc = dc; + return dc; +} + +void +dc_free(DDC *dc) { + DDC **tdc; + + if(!dc) + return; + /* remove from dc list */ + for(tdc = &dc->draw->dc; *tdc && *tdc != dc; tdc = &(*tdc)->next); + *tdc = dc->next; + /* TODO: deallocate any resources of this dc, if needed */ + free(dc); +} + +Fnt * +font_create(const char *fontname) { + Fnt *font = (Fnt *)calloc(1, sizeof(Fnt)); + /* TODO: allocate actual font */ + return font; +} + +void +font_free(Fnt *font) { + if(!font) + return; + /* TODO: deallocate any font resources */ + free(font); +} + +Col * +col_create(const char *colname) { + Col *col = (Col *)calloc(1, sizeof(Col)); + /* TODO: allocate color */ + return col; +} + +void +col_free(Col *col) { + if(!col) + return; + /* TODO: deallocate any color resource */ + free(col); +} + +void +dc_setfont(DDC *dc, Fnt *font) { + if(!dc || !font) + return; + dc->font = font; +} + +void +dc_setfg(DDC *dc, Col *col) { + if(!dc || !col) + return; + dc->fg = col; +} + +void +dc_setbg(DDC *dc, Col *col) { + if(!dc || !col) + return; + dc->bg = col; +} void -drawstatus(void) { - int i, x; - - dc.x = dc.y = 0; - for(i = 0; i < ntags; i++) { - dc.w = textw(tags[i]); - if(seltag[i]) { - drawtext(tags[i], dc.sel); - drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel); - } - else { - drawtext(tags[i], dc.norm); - drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm); - } - dc.x += dc.w; - } - dc.w = blw; - drawtext(lt->symbol, dc.norm); - x = dc.x + dc.w; - dc.w = textw(stext); - dc.x = sw - dc.w; - if(dc.x < x) { - dc.x = x; - dc.w = sw - x; - } - drawtext(stext, dc.norm); - if((dc.w = dc.x - x) > bh) { - dc.x = x; - if(sel) { - drawtext(sel->name, dc.sel); - drawsquare(sel->ismax, sel->isfloating, dc.sel); - } - else - drawtext(NULL, dc.norm); - } - XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0); - XSync(dpy, False); +dc_setfill(DDC *dc, Bool fill) { + if(!dc) + return; + dc->fill = fill; +} + +void +dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) { + if(!dc) + return; + /* TODO: draw the rectangle */ +} + +void +dc_drawtext(DDC *dc, int x, int y, const char *text) { + if(!dc) + return; + /* TODO: draw the text */ +} + +void +dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h) { + if(!dc) + return; + /* TODO: map the dc contents in the region */ } void -drawtext(const char *text, unsigned long col[ColLast]) { - int x, y, w, h; - static char buf[256]; - unsigned int len, olen; - XRectangle r = { dc.x, dc.y, dc.w, dc.h }; - - XSetForeground(dpy, dc.gc, col[ColBG]); - XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); - if(!text) +dc_getextents(DDC *dc, const char *text, TextExtents *extents) { + if(!dc || !extents) return; - w = 0; - olen = len = strlen(text); - if(len >= sizeof buf) - len = sizeof buf - 1; - memcpy(buf, text, len); - buf[len] = 0; - h = dc.font.ascent + dc.font.descent; - y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; - x = dc.x + (h / 2); - /* shorten text if necessary */ - while(len && (w = textnw(buf, len)) > dc.w - h) - buf[--len] = 0; - if(len < olen) { - if(len > 1) - buf[len - 1] = '.'; - if(len > 2) - buf[len - 2] = '.'; - if(len > 3) - buf[len - 3] = '.'; - } - if(w > dc.w) - return; /* too long */ - XSetForeground(dpy, dc.gc, col[ColFG]); - if(dc.font.set) - XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); - else - XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); -} - -unsigned int -textw(const char *text) { - return textnw(text, strlen(text)) + dc.font.height; + /* TODO: get extents */ }