continued with draw.c abstraction, also started util.{h,c} implementation, that will...

[dwm.git] / draw.c

diff --git a/draw.c b/draw.c
index df5aeec..e88a70c 100644 (file)
--- a/draw.c
+++ b/draw.c
@@ -1,8 +1,10 @@
 /* See LICENSE file for copyright and license details. */
+#include <stdio.h>
 #include <stdlib.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) {
@@ -35,110 +37,119 @@ draw_free(Draw *draw) {
        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 */
+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
-font_free(Fnt *font) {
-       if(!font)
+draw_font_free(Draw *draw, Fnt *font) {
+       if(!draw || !font)
                return;
-       /* TODO: deallocate any font resources */
+       if(font->set)
+               XFreeFontSet(draw->dpy, font->set);
+       else
+               XFreeFont(draw->dpy, font->xfont);
        free(font);
 }
 
 Col *
-col_create(const char *colname) {
+draw_col_create(Draw *draw, const char *colname) {
        Col *col = (Col *)calloc(1, sizeof(Col));
-       /* TODO: allocate color */
+       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
-col_free(Col *col) {
+draw_col_free(Draw *draw, 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) 
+draw_setfont(Draw *draw, Fnt *font) {
+       if(!draw || !font)
                return;
-       dc->fg = col;
+       draw->font = font;
 }
 
 void
-dc_setbg(DDC *dc, Col *col) {
-       if(!dc || !col)
+draw_setfg(Draw *draw, Col *col) {
+       if(!draw || !col) 
                return;
-       dc->bg = col;
+       draw->fg = col;
 }
 
 void
-dc_setfill(DDC *dc, Bool fill) {
-       if(!dc)
+draw_setbg(Draw *draw, Col *col) {
+       if(!draw || !col)
                return;
-       dc->fill = fill;
+       draw->bg = col;
 }
 
 void
-dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
-       if(!dc)
+draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
+       if(!draw)
                return;
        /* TODO: draw the rectangle */
 }
 
 void
-dc_drawtext(DDC *dc, int x, int y, const char *text) {
-       if(!dc)
+draw_text(Draw *draw, int x, int y, const char *text) {
+       if(!draw)
                return;
        /* TODO: draw the text */
 }
 
 void
-dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
-       if(!dc)
+draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
+       if(!draw)
                return;
-       /* TODO: map the dc contents in the region */
+       /* TODO: map the draw contents in the region */
 }
 
 void
-dc_getextents(DDC *dc, const char *text, TextExtents *extents) {
-       if(!dc || !extents)
+draw_getextents(Draw *draw, const char *text, TextExtents *extents) {
+       if(!draw || !extents)
                return;
        /* TODO: get extents */
 }