+#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
static void parseposition(const char *optarg);
/* initializers, and their helper routines */
+static void parsefonts(const char *s);
static void ealloccolor(const char *s, XftColor *color);
static void initresources(void);
static void initdc(void);
/* image loader */
static Imlib_Image loadicon(const char *file);
+/* utf8 utils */
+static FcChar32 getnextutf8char(const char *s, const char **end_ret);
+
+/* pixmap drawers */
+static int drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text);
+static void drawitems(struct Menu *menu);
+
/* structure setters, and their helper routines */
static void setupitems(struct Menu *menu);
static void setupmenupos(struct Menu *menu);
/* window drawers and mappers */
static void mapmenu(struct Menu *currmenu);
-static void drawseparator(struct Menu *menu, struct Item *item);
-static void drawitem(struct Menu *menu, struct Item *item, XftColor *color);
-static void drawmenu(struct Menu *currmenu);
+static void copypixmaps(struct Menu *currmenu);
-/* main event loop, and its helper routines */
+/* getters */
static struct Menu *getmenu(struct Menu *currmenu, Window win);
static struct Item *getitem(struct Menu *menu, int y);
+
+/* cycle through items */
static struct Item *itemcycle(struct Menu *currmenu, int direction);
+
+/* main event loop */
static void run(struct Menu *currmenu);
/* cleaners */
errx(1, "improper position: %s", optarg);
}
+/* parse color string */
+static void
+parsefonts(const char *s)
+{
+ const char *p;
+ char buf[1024];
+ size_t nfont = 0;
+
+ dc.nfonts = 1;
+ for (p = s; *p; p++)
+ if (*p == ',')
+ dc.nfonts++;
+
+ if ((dc.fonts = calloc(dc.nfonts, sizeof *dc.fonts)) == NULL)
+ err(1, "calloc");
+
+ p = s;
+ while (*p != '\0') {
+ size_t i;
+
+ i = 0;
+ while (isspace(*p))
+ p++;
+ while (*p != '\0' && *p != ',') {
+ buf[i++] = *p++;
+ }
+ if (*p == ',')
+ p++;
+ buf[i] = '\0';
+ if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL)
+ errx(1, "cannot load font");
+ }
+}
+
/* get color from color string */
static void
ealloccolor(const char *s, XftColor *color)
ealloccolor(config.separator_color, &dc.separator);
ealloccolor(config.border_color, &dc.border);
- /* try to get font */
- if ((dc.font = XftFontOpenName(dpy, screen, config.font)) == NULL)
- errx(1, "cannot load font");
+ /* parse fonts */
+ parsefonts(config.font);
/* create common GC */
dc.gc = XCreateGC(dpy, rootwin, 0, NULL);
return icon;
}
+/* get next utf8 char from s return its codepoint and set next_ret to pointer to next character */
+static FcChar32
+getnextutf8char(const char *s, const char **next_ret)
+{
+ /* */
+ static const unsigned char utfbyte[] = {0x80, 0x00, 0xC0, 0xE0, 0xF0};
+ /* */
+ static const unsigned char utfmask[] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
+ /* 0xFFFD is the replacement character, used to represent unknown characters */
+ static const FcChar32 utfmin[] = {0, 0x00, 0x80, 0x800, 0x10000};
+ static const FcChar32 utfmax[] = {0, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
+ static const FcChar32 unknown = 0xFFFD;
+ FcChar32 ucode; /* FcChar32 type holds 32 bits */
+ size_t usize = 0; /* n' of bytes of the utf8 character */
+ size_t i;
+
+ *next_ret = s+1;
+
+ /* get code of first byte of utf8 character */
+ for (i = 0; i < sizeof utfmask; i++) {
+ if (((unsigned char)*s & utfmask[i]) == utfbyte[i]) {
+ usize = i;
+ ucode = (unsigned char)*s & ~utfmask[i];
+ break;
+ }
+ }
+
+ /* if first byte is a continuation byte or is not allowed, return unknown */
+ if (i == sizeof utfmask || usize == 0)
+ return unknown;
+
+ /* check the other usize-1 bytes */
+ s++;
+ for (i = 1; i < usize; i++) {
+ *next_ret = s+1;
+ /* if byte is EOS or is not a continuation byte, return unknown */
+ if (*s == '\0' || ((unsigned char)*s & utfmask[0]) != utfbyte[0])
+ return unknown;
+ /* 6 is the number of relevant bits in the continuation byte */
+ ucode = (ucode << 6) | ((unsigned char)*s & ~utfmask[0]);
+ s++;
+ }
+
+ /* check if ucode is invalid or in utf-16 surrogate halves */
+ if (!BETWEEN(ucode, utfmin[usize], utfmax[usize])
+ || BETWEEN (ucode, 0xD800, 0xDFFF))
+ return unknown;
+
+ return ucode;
+}
+
+/* draw text into XftDraw */
+static int
+drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text)
+{
+ const char *s, *nexts;
+ FcChar32 ucode;
+ XftFont *currfont;
+ int textlen = 0;
+
+ s = text;
+ while (*s) {
+ XGlyphInfo ext;
+ int charexists;
+ size_t len;
+ size_t i;
+
+ charexists = 0;
+ ucode = getnextutf8char(s, &nexts);
+ for (i = 0; i < dc.nfonts; i++) {
+ charexists = XftCharExists(dpy, dc.fonts[i], ucode);
+ if (charexists)
+ break;
+ }
+ if (charexists)
+ currfont = dc.fonts[i];
+
+ len = nexts - s;
+
+ XftTextExtentsUtf8(dpy, currfont, (XftChar8 *)s,
+ len, &ext);
+ textlen += ext.xOff;
+
+ if (draw) {
+ int texty;
+
+ texty = y + (h + currfont->ascent) / 2;
+ XftDrawStringUtf8(draw, color, currfont, x, texty,
+ (XftChar8 *)s, len);
+ x += ext.xOff;
+ }
+
+ s = nexts;
+ }
+
+ return textlen;
+}
+
+/* draw pixmap for the selected and unselected version of each item on menu */
+static void
+drawitems(struct Menu *menu)
+{
+ struct Item *item;
+
+ for (item = menu->list; item != NULL; item = item->next) {
+ XftDraw *dsel, *dunsel;
+ int x, y;
+
+ item->unsel = XCreatePixmap(dpy, menu->win, menu->w, item->h,
+ DefaultDepth(dpy, screen));
+
+ XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel);
+ XFillRectangle(dpy, item->unsel, dc.gc, 0, 0, menu->w, item->h);
+
+ if (item->label == NULL) { /* item is separator */
+ y = item->h/2;
+ XSetForeground(dpy, dc.gc, dc.separator.pixel);
+ XDrawLine(dpy, item->unsel, dc.gc, config.horzpadding, y,
+ menu->w - config.horzpadding, y);
+
+ item->sel = item->unsel;
+ } else {
+
+ item->sel = XCreatePixmap(dpy, menu->win, menu->w, item->h,
+ DefaultDepth(dpy, screen));
+ XSetForeground(dpy, dc.gc, dc.selected[ColorBG].pixel);
+ XFillRectangle(dpy, item->sel, dc.gc, 0, 0, menu->w, item->h);
+
+ /* draw text */
+ x = config.horzpadding;
+ x += (iflag) ? 0 : config.horzpadding + config.iconsize;
+ dsel = XftDrawCreate(dpy, item->sel, visual, colormap);
+ dunsel = XftDrawCreate(dpy, item->unsel, visual, colormap);
+ XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel);
+ drawtext(dsel, &dc.selected[ColorFG], x, 0, item->h, item->label);
+ XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel);
+ drawtext(dunsel, &dc.normal[ColorFG], x, 0, item->h, item->label);
+ XftDrawDestroy(dsel);
+ XftDrawDestroy(dunsel);
+
+ /* draw triangle */
+ if (item->submenu != NULL) {
+ x = menu->w - config.triangle_width - config.horzpadding;
+ y = (item->h - config.triangle_height + 1) / 2;
+
+ XPoint triangle[] = {
+ {x, y},
+ {x + config.triangle_width, y + config.triangle_height/2},
+ {x, y + config.triangle_height},
+ {x, y}
+ };
+
+ XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel);
+ XFillPolygon(dpy, item->sel, dc.gc, triangle, LEN(triangle),
+ Convex, CoordModeOrigin);
+ XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel);
+ XFillPolygon(dpy, item->unsel, dc.gc, triangle, LEN(triangle),
+ Convex, CoordModeOrigin);
+ }
+
+ /* draw icon */
+ if (item->file != NULL && !iflag) {
+ item->icon = loadicon(item->file);
+
+ imlib_context_set_drawable(item->sel);
+ imlib_context_set_image(item->icon);
+ imlib_render_image_on_drawable(config.horzpadding, config.iconpadding);
+
+ imlib_context_set_drawable(item->unsel);
+ imlib_context_set_image(item->icon);
+ imlib_render_image_on_drawable(config.horzpadding, config.iconpadding);
+ }
+ }
+ }
+}
+
/* setup the height, width and icon of the items of a menu */
static void
setupitems(struct Menu *menu)
menu->h += item->h;
/* get length of item->label rendered in the font */
- XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label,
+ XftTextExtentsUtf8(dpy, dc.fonts[0], (XftChar8 *)item->label,
item->labellen, &ext);
/*
itemwidth = ext.xOff + config.triangle_width + config.horzpadding * 3;
itemwidth += (iflag) ? 0 : config.iconsize + config.horzpadding;
menu->w = MAX(menu->w, itemwidth);
-
- /* create icon */
- if (item->file != NULL && !iflag) {
- item->icon = loadicon(item->file);
-
- item->sel = XCreatePixmap(dpy, menu->win,
- config.iconsize, config.iconsize,
- DefaultDepth(dpy, screen));
- XSetForeground(dpy, dc.gc, dc.selected[ColorBG].pixel);
- XFillRectangle(dpy, item->sel, dc.gc, 0, 0,
- config.iconsize, config.iconsize);
- imlib_context_set_drawable(item->sel);
- imlib_context_set_image(item->icon);
- imlib_render_image_on_drawable(0, 0);
-
- item->unsel = XCreatePixmap(dpy, menu->win,
- config.iconsize, config.iconsize,
- DefaultDepth(dpy, screen));
- XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel);
- XFillRectangle(dpy, item->unsel, dc.gc, 0, 0,
- config.iconsize, config.iconsize);
- imlib_context_set_drawable(item->unsel);
- imlib_context_set_image(item->icon);
- imlib_render_image_on_drawable(0, 0);
- }
}
}
/* setup size and position of menus */
setupitems(menu);
+ drawitems(menu);
setupmenupos(menu);
/* update menu geometry */
sizeh.min_height = sizeh.max_height = menu->h;
XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh);
- /* create pixmap and XftDraw */
- menu->pixmap = XCreatePixmap(dpy, menu->win, menu->w, menu->h,
- DefaultDepth(dpy, screen));
- menu->draw = XftDrawCreate(dpy, menu->pixmap, visual, colormap);
-
/* set WM protocols and ewmh window properties */
XSetWMProtocols(dpy, menu->win, &wmdelete, 1);
XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8,
prevmenu = currmenu;
}
-/* draw separator item */
-static void
-drawseparator(struct Menu *menu, struct Item *item)
-{
- int y;
-
- y = item->y + item->h/2;
-
- XSetForeground(dpy, dc.gc, dc.separator.pixel);
- XDrawLine(dpy, menu->pixmap, dc.gc, config.horzpadding, y,
- menu->w - config.horzpadding, y);
-}
-
-/* draw regular item */
-static void
-drawitem(struct Menu *menu, struct Item *item, XftColor *color)
-{
- int x, y;
-
- x = config.horzpadding;
- x += (iflag) ? 0 : config.horzpadding + config.iconsize;
- y = item->y + (item->h + dc.font->ascent) / 2;
- XSetForeground(dpy, dc.gc, color[ColorFG].pixel);
- XftDrawStringUtf8(menu->draw, &color[ColorFG], dc.font,
- x, y, (XftChar8 *)item->label, item->labellen);
-
- /* draw triangle, if item contains a submenu */
- if (item->submenu != NULL) {
- x = menu->w - config.triangle_width - config.horzpadding;
- y = item->y + (item->h - config.triangle_height + 1) / 2;
-
- XPoint triangle[] = {
- {x, y},
- {x + config.triangle_width, y + config.triangle_height/2},
- {x, y + config.triangle_height},
- {x, y}
- };
-
- XFillPolygon(dpy, menu->pixmap, dc.gc, triangle, LEN(triangle),
- Convex, CoordModeOrigin);
- }
-
- /* draw icon */
- if (item->icon != NULL) {
- x = config.horzpadding;
- y = item->y + config.iconpadding;
- if (color == dc.selected)
- XCopyArea(dpy, item->sel, menu->pixmap, dc.gc, 0, 0,
- menu->w, menu->h, x, y);
- else
- XCopyArea(dpy, item->unsel, menu->pixmap, dc.gc, 0, 0,
- menu->w, menu->h, x, y);
- }
-}
-
-/* draw items of the current menu and of its ancestors */
+/* copy pixmaps of items of the current menu and of its ancestors into menu window */
static void
-drawmenu(struct Menu *currmenu)
+copypixmaps(struct Menu *currmenu)
{
struct Menu *menu;
struct Item *item;
for (menu = currmenu; menu != NULL; menu = menu->parent) {
for (item = menu->list; item != NULL; item = item->next) {
- XftColor *color;
-
- /* determine item color */
- if (item == menu->selected && item->label != NULL)
- color = dc.selected;
+ if (item == menu->selected)
+ XCopyArea(dpy, item->sel, menu->win, dc.gc, 0, 0,
+ menu->w, item->h, 0, item->y);
else
- color = dc.normal;
-
- /* draw item box */
- XSetForeground(dpy, dc.gc, color[ColorBG].pixel);
- XFillRectangle(dpy, menu->pixmap, dc.gc, 0, item->y,
- menu->w, item->h);
-
- if (item->label == NULL) /* item is a separator */
- drawseparator(menu, item);
- else /* item is a regular item */
- drawitem(menu, item, color);
+ XCopyArea(dpy, item->unsel, menu->win, dc.gc, 0, 0,
+ menu->w, item->h, 0, item->y);
}
-
- XCopyArea(dpy, menu->pixmap, menu->win, dc.gc, 0, 0,
- menu->w, menu->h, 0, 0);
}
}
switch(ev.type) {
case Expose:
if (ev.xexpose.count == 0)
- drawmenu(currmenu);
+ copypixmaps(currmenu);
break;
case MotionNotify:
menu = getmenu(currmenu, ev.xbutton.window);
currmenu = menu;
}
mapmenu(currmenu);
- drawmenu(currmenu);
+ copypixmaps(currmenu);
break;
case ButtonRelease:
menu = getmenu(currmenu, ev.xbutton.window);
}
mapmenu(currmenu);
currmenu->selected = currmenu->list;
- drawmenu(currmenu);
+ copypixmaps(currmenu);
break;
case ButtonPress:
menu = getmenu(currmenu, ev.xbutton.window);
} else
break;
currmenu->selected = item;
- drawmenu(currmenu);
+ copypixmaps(currmenu);
break;
case LeaveNotify:
previtem = NULL;
currmenu->selected = NULL;
- drawmenu(currmenu);
+ copypixmaps(currmenu);
break;
case ConfigureNotify:
menu = getmenu(currmenu, ev.xconfigure.window);
if (item->submenu != NULL)
cleanmenu(item->submenu);
tmp = item;
+ XFreePixmap(dpy, item->unsel);
+ if (tmp->label != NULL)
+ XFreePixmap(dpy, item->sel);
if (tmp->label != tmp->output)
free(tmp->label);
free(tmp->output);
free(tmp);
}
- XFreePixmap(dpy, menu->pixmap);
- XftDrawDestroy(menu->draw);
XDestroyWindow(dpy, menu->win);
free(menu);
}