X-Git-Url: https://jasonwoof.com/gitweb/?p=dwm.git;a=blobdiff_plain;f=draw.c;h=df5aeecb4eb95a27e65fc8a43d429efa30552fcb;hp=4f8594c8701ada00b660f36a40bf157518ea02f8;hb=0a673ad7a37f3a1bdda7cef316bda300f8f181eb;hpb=937cabfa0aad7eef6d25e9d142a478163de200c5

diff --git a/draw.c b/draw.c
index 4f8594c..df5aeec 100644
--- a/draw.c
+++ b/draw.c
@@ -1,236 +1,144 @@
-/*
- * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dwm.h"
-
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlocale.h>
-
-/* static */
-
-static void
-drawborder(void)
-{
-	XPoint points[5];
-
-	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
-	XSetForeground(dpy, dc.gc, dc.border);
-	points[0].x = dc.x;
-	points[0].y = dc.y;
-	points[1].x = dc.w - 1;
-	points[1].y = 0;
-	points[2].x = 0;
-	points[2].y = dc.h - 1;
-	points[3].x = -(dc.w - 1);
-	points[3].y = 0;
-	points[4].x = 0;
-	points[4].y = -(dc.h - 1);
-	XDrawLines(dpy, dc.drawable, dc.gc, points, 5, CoordModePrevious);
-}
-
-static unsigned int
-textnw(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);
-}
-
-static void
-drawtext(const char *text, Bool invert, Bool border)
-{
-	int x, y, w, h;
-	static char buf[256];
-	unsigned int len;
-	XGCValues gcv;
-	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
-
-	XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg);
-	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
-
-	w = 0;
-	if(border)
-		drawborder();
-
-	if(!text)
-		return;
+/* See LICENSE file for copyright and license details. */
+#include <stdlib.h>
+#include <X11/Xlib.h>
+
+#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;
+}
 
-	len = strlen(text);
-	if(len >= sizeof(buf))
-		len = sizeof(buf) - 1;
-	memcpy(buf, text, len);
-	buf[len] = 0;
+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));
+}
 
-	h = dc.font.ascent + dc.font.descent;
-	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
-	x = dc.x + (h / 2);
+void
+draw_free(Draw *draw) {
+	XFreePixmap(draw->dpy, draw->drawable);
+	XFreeGC(draw->dpy, draw->gc);
+	free(draw);
+}
 
-	/* shorten text if necessary */
-	while(len && (w = textnw(buf, len)) > dc.w - h)
-		buf[--len] = 0;
+DDC *
+dc_create(Draw *draw) {
+	DDC *dc = (DDC *)calloc(1, sizeof(DDC));
+	dc->draw = draw;
+	dc->next = draw->dc;
+	draw->dc = dc;
+	return dc;
+}
 
-	if(w > dc.w)
-		return; /* too long */
+void
+dc_free(DDC *dc) {
+	DDC **tdc;
 
-	gcv.foreground = invert ? dc.bg : dc.fg;
-	gcv.background = invert ? dc.fg : dc.bg;
-	if(dc.font.set) {
-		XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv);
-		XmbDrawImageString(dpy, dc.drawable, dc.font.set, dc.gc,
-				x, y, buf, len);
-	}
-	else {
-		gcv.font = dc.font.xfont->fid;
-		XChangeGC(dpy, dc.gc, GCForeground | GCBackground | GCFont, &gcv);
-		XDrawImageString(dpy, dc.drawable, dc.gc, x, y, buf, len);
-	}
+	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);
 }
 
-/* extern */
+Fnt *
+font_create(const char *fontname) {
+	Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
+	/* TODO: allocate actual font */
+	return font;
+}
 
 void
-drawall()
-{
-	Client *c;
+font_free(Fnt *font) {
+	if(!font)
+		return;
+	/* TODO: deallocate any font resources */
+	free(font);
+}
 
-	for(c = clients; c; c = getnext(c->next))
-		drawtitle(c);
-	drawstatus();
+Col *
+col_create(const char *colname) {
+	Col *col = (Col *)calloc(1, sizeof(Col));
+	/* TODO: allocate color */
+	return col;
 }
 
 void
-drawstatus()
-{
-	int i, x;
-	Bool istile = arrange == dotile;
-
-	dc.x = dc.y = 0;
-	dc.w = bw;
-	drawtext(NULL, !istile, False);
-
-	dc.w = 0;
-	for(i = 0; i < TLast; i++) {
-		dc.x += dc.w;
-		dc.w = textw(tags[i]);
-		if(istile)
-			drawtext(tags[i], (i == tsel), True);
-		else
-			drawtext(tags[i], (i != tsel), True);
-	}
-	x = dc.x + dc.w;
-	dc.w = textw(stext);
-	dc.x = bx + bw - dc.w;
-	drawtext(stext, !istile, False);
-	if(sel && ((dc.w = dc.x - x) >= bh)) {
-		dc.x = x;
-		drawtext(sel->name, istile, True);
-	}
-	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
-	XSync(dpy, False);
+col_free(Col *col) {
+	if(!col)
+		return;
+	/* TODO: deallocate any color resource */
+	free(col);
 }
 
 void
-drawtitle(Client *c)
-{
-	int i;
-	Bool istile = arrange == dotile;
-
-	if(c == sel) {
-		drawstatus();
-		XUnmapWindow(dpy, c->title);
-		XSetWindowBorder(dpy, c->win, dc.fg);
+dc_setfont(DDC *dc, Fnt *font) {
+	if(!dc || !font)
 		return;
-	}
+	dc->font = font;
+}
 
-	XSetWindowBorder(dpy, c->win, dc.bg);
-	XMapWindow(dpy, c->title);
+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;
+}
 
-	dc.x = dc.y = 0;
+void
+dc_setfill(DDC *dc, Bool fill) {
+	if(!dc)
+		return;
+	dc->fill = fill;
+}
 
-	dc.w = 0;
-	for(i = 0; i < TLast; i++) {
-		if(c->tags[i]) {
-			dc.x += dc.w;
-			dc.w = textw(c->tags[i]);
-			drawtext(c->tags[i], !istile, True);
-		}
-	}
-	dc.x += dc.w;
-	dc.w = textw(c->name);
-	drawtext(c->name, !istile, True);
-	XCopyArea(dpy, dc.drawable, c->title, dc.gc, 0, 0, c->tw, c->th, 0, 0);
-	XSync(dpy, False);
+void
+dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
+	if(!dc)
+		return;
+	/* TODO: draw the rectangle */
 }
 
-unsigned long
-getcolor(const char *colstr)
-{
-	Colormap cmap = DefaultColormap(dpy, screen);
-	XColor color;
+void
+dc_drawtext(DDC *dc, int x, int y, const char *text) {
+	if(!dc)
+		return;
+	/* TODO: draw the text */
+}
 
-	XAllocNamedColor(dpy, cmap, colstr, &color, &color);
-	return color.pixel;
+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
-setfont(const char *fontstr)
-{
-	char **missing, *def;
-	int i, n;
-
-	missing = NULL;
-	setlocale(LC_ALL, "");
-	if(dc.font.set)
-		XFreeFontSet(dpy, dc.font.set);
-	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
-	if(missing) {
-		while(n--)
-			fprintf(stderr, "missing fontset: %s\n", missing[n]);
-		XFreeStringList(missing);
-		if(dc.font.set) {
-			XFreeFontSet(dpy, dc.font.set);
-			dc.font.set = NULL;
-		}
-	}
-	if(dc.font.set) {
-		XFontSetExtents *font_extents;
-		XFontStruct **xfonts;
-		char **font_names;
-
-		dc.font.ascent = dc.font.descent = 0;
-		font_extents = XExtentsOfFontSet(dc.font.set);
-		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
-		for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
-			if(dc.font.ascent < (*xfonts)->ascent)
-				dc.font.ascent = (*xfonts)->ascent;
-			if(dc.font.descent < (*xfonts)->descent)
-				dc.font.descent = (*xfonts)->descent;
-			xfonts++;
-		}
-	}
-	else {
-		if(dc.font.xfont)
-			XFreeFont(dpy, dc.font.xfont);
-		dc.font.xfont = NULL;
-		dc.font.xfont = XLoadQueryFont(dpy, fontstr);
-		if (!dc.font.xfont)
-			dc.font.xfont = XLoadQueryFont(dpy, "fixed");
-		if (!dc.font.xfont)
-			eprint("error, cannot init 'fixed' font\n");
-		dc.font.ascent = dc.font.xfont->ascent;
-		dc.font.descent = dc.font.xfont->descent;
-	}
-	dc.font.height = dc.font.ascent + dc.font.descent;
-}
-
-unsigned int
-textw(char *text)
-{
-	return textnw(text, strlen(text)) + dc.font.height;
+dc_getextents(DDC *dc, const char *text, TextExtents *extents) {
+	if(!dc || !extents)
+		return;
+	/* TODO: get extents */
 }