continued, distinction of Draw and DDC is bad, needs to be merged

[dwm.git] / draw.c

diff --git a/draw.c b/draw.c
index eaad7fc..df5aeec 100644 (file)
--- a/draw.c
+++ b/draw.c
@@ -1,134 +1,144 @@
 /* See LICENSE file for copyright and license details. */
 /* See LICENSE file for copyright and license details. */

-#include "dwm.h"
-#include <string.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>

 
 

-/* static */
+#include "draw.h"

 
 

-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 };
+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;

 
 

-       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);
-       }
+       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);

 }
 
 }
 

-static Bool
-isoccupied(unsigned int t) {
-       Client *c;
+Fnt *
+font_create(const char *fontname) {
+       Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
+       /* TODO: allocate actual font */
+       return font;
+}

 
 

-       for(c = clients; c; c = c->next)
-               if(c->tags[t])
-                       return True;
-       return False;
+void
+font_free(Fnt *font) {
+       if(!font)
+               return;
+       /* TODO: deallocate any font resources */
+       free(font);

 }
 
 }
 

-static unsigned int
-textnw(const char *text, unsigned int len) {
-       XRectangle r;
+Col *
+col_create(const char *colname) {
+       Col *col = (Col *)calloc(1, sizeof(Col));
+       /* TODO: allocate color */
+       return col;
+}

 
 

-       if(dc.font.set) {
-               XmbTextExtents(dc.font.set, text, len, NULL, &r);
-               return r.width;
-       }
-       return XTextWidth(dc.font.xfont, text, len);
+void
+col_free(Col *col) {
+       if(!col)
+               return;
+       /* TODO: deallocate any color resource */
+       free(col);

 }
 
 }
 

-/* extern */
+void
+dc_setfont(DDC *dc, Fnt *font) {
+       if(!dc || !font)
+               return;
+       dc->font = font;
+}

 
 void
 
 void

-drawbar(void) {
-       int i, x;
-
-       dc.x = dc.y = 0;
-       for(i = 0; i < ntags; i++) {
-               dc.w = textw(tags[i]);
-               if(seltags[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(getsymbol(), 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_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
+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
 }
 
 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;
                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 */

 }
 }