changeset: 323:88aaa094a865
tag: tip
user: Connor Lane Smith <cls_AT_lubutu.com>
date: Thu Jun 24 16:18:18 2010 +0100
files: dinput.c dmenu.c draw.c draw.h
description:
decoupled draw.c from dmenu & dinput
diff -r 7df935c43a12 -r 88aaa094a865 dinput.c
--- a/dinput.c Thu Jun 24 14:22:34 2010 +0100
+++ b/dinput.c Thu Jun 24 16:18:18 2010 +0100
@@ -38,20 +38,18 @@
static char text[4096];
static int promptw = 0;
static int ret = 0;
+static int screen;
static unsigned int cursor = 0;
static unsigned int numlockmask = 0;
+static unsigned int mw, mh;
static Bool running = True;
-static Window win;
-
-Display *dpy;
-DC dc;
-int screen;
-unsigned int mw, mh;
-Window parent;
+static DC dc;
+static Display *dpy;
+static Window win, parent;
void
cleanup(void) {
- drawcleanup();
+ cleanupdraw(&dc);
XDestroyWindow(dpy, win);
XUngrabKeyboard(dpy, CurrentTime);
}
@@ -60,7 +58,7 @@
drawcursor(void) {
XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
- r.x += textnw(text, cursor) + dc.font.height / 2;
+ r.x += textnw(&dc, text, cursor) + dc.font.height / 2;
XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
@@ -73,15 +71,15 @@
dc.y = 0;
dc.w = mw;
dc.h = mh;
- drawtext(NULL, dc.norm);
+ drawtext(&dc, NULL, dc.norm);
/* print prompt? */
if(prompt) {
dc.w = promptw;
- drawtext(prompt, dc.sel);
+ drawtext(&dc, prompt, dc.sel);
dc.x += dc.w;
}
dc.w = mw - dc.x;
- drawtext(*text ? text : NULL, dc.norm);
+ drawtext(&dc, *text ? text : NULL, dc.norm);
drawcursor();
XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
XFlush(dpy);
@@ -269,15 +267,21 @@
}
XFreeModifiermap(modmap);
- initfont(font);
+ dc.dpy = dpy;
+ dc.norm[ColBG] = getcolor(&dc, normbgcolor);
+ dc.norm[ColFG] = getcolor(&dc, normfgcolor);
+ dc.sel[ColBG] = getcolor(&dc, selbgcolor);
+ dc.sel[ColFG] = getcolor(&dc, selfgcolor);
+ initfont(&dc, font);
+ fprintf(stderr, "dc.font.xfont: %u\n", (size_t)dc.font.xfont);
- /* menu window */
+ /* input window */
wa.override_redirect = True;
wa.background_pixmap = ParentRelative;
wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
- /* menu window geometry */
- mh = (dc.font.height + 2);
+ /* input window geometry */
+ mh = dc.font.height + 2;
#if XINERAMA
if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
i = 0;
@@ -309,9 +313,9 @@
DefaultVisual(dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
- drawsetup();
+ setupdraw(&dc, win);
if(prompt)
- promptw = MIN(textw(prompt), mw / 5);
+ promptw = MIN(textw(&dc, prompt), mw / 5);
cursor = strlen(text);
XMapRaised(dpy, win);
}
diff -r 7df935c43a12 -r 88aaa094a865 dmenu.c
--- a/dmenu.c Thu Jun 24 14:22:34 2010 +0100
+++ b/dmenu.c Thu Jun 24 16:18:18 2010 +0100
@@ -55,26 +55,24 @@
static int cmdw = 0;
static int promptw = 0;
static int ret = 0;
+static int screen;
static unsigned int lines = 0;
static unsigned int numlockmask = 0;
+static unsigned int mw, mh;
static Bool running = True;
+static DC dc;
+static Display *dpy;
static Item *allitems = NULL; /* first of all items */
static Item *item = NULL; /* first of pattern matching items */
static Item *sel = NULL;
static Item *next = NULL;
static Item *prev = NULL;
static Item *curr = NULL;
-static Window win;
+static Window win, parent;
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
static void (*calcoffsets)(void) = calcoffsetsh;
-Display *dpy;
-DC dc;
-int screen;
-unsigned int mw, mh;
-Window parent;
-
void
appenditem(Item *i, Item **list, Item **last) {
if(!(*last))
@@ -92,11 +90,11 @@
w = promptw + cmdw + (2 * spaceitem);
for(next = curr; next; next = next->right)
- if((w += MIN(textw(next->text), mw / 3)) > mw)
+ if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
break;
w = promptw + cmdw + (2 * spaceitem);
for(prev = curr; prev && prev->left; prev = prev->left)
- if((w += MIN(textw(prev->left->text), mw / 3)) > mw)
+ if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
break;
}
@@ -143,7 +141,7 @@
free(allitems);
allitems = itm;
}
- drawcleanup();
+ cleanupdraw(&dc);
XDestroyWindow(dpy, win);
XUngrabKeyboard(dpy, CurrentTime);
}
@@ -161,18 +159,18 @@
dc.y = 0;
dc.w = mw;
dc.h = mh;
- drawtext(NULL, dc.norm);
+ drawtext(&dc, NULL, dc.norm);
/* print prompt? */
if(prompt) {
dc.w = promptw;
- drawtext(prompt, dc.sel);
+ drawtext(&dc, prompt, dc.sel);
dc.x += dc.w;
}
dc.w = mw - dc.x;
/* print command */
if(cmdw && item && lines == 0)
dc.w = cmdw;
- drawtext(*text ? text : NULL, dc.norm);
+ drawtext(&dc, *text ? text : NULL, dc.norm);
if(curr) {
if(lines > 0)
drawmenuv();
@@ -189,16 +187,16 @@
dc.x += cmdw;
dc.w = spaceitem;
- drawtext(curr->left ? "<" : NULL, dc.norm);
+ drawtext(&dc, curr->left ? "<" : NULL, dc.norm);
dc.x += dc.w;
for(i = curr; i != next; i=i->right) {
- dc.w = MIN(textw(i->text), mw / 3);
- drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+ dc.w = MIN(textw(&dc, i->text), mw / 3);
+ drawtext(&dc, i->text, (sel == i) ? dc.sel : dc.norm);
dc.x += dc.w;
}
dc.w = spaceitem;
dc.x = mw - dc.w;
- drawtext(next ? ">" : NULL, dc.norm);
+ drawtext(&dc, next ? ">" : NULL, dc.norm);
}
void
@@ -209,11 +207,11 @@
dc.h = dc.font.height + 2;
dc.y = dc.h;
for(i = curr; i != next; i=i->right) {
- drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+ drawtext(&dc, i->text, (sel == i) ? dc.sel : dc.norm);
dc.y += dc.h;
}
dc.h = mh - dc.y;
- drawtext(NULL, dc.norm);
+ drawtext(&dc, NULL, dc.norm);
}
Bool
@@ -491,7 +489,12 @@
}
XFreeModifiermap(modmap);
- initfont(font);
+ dc.dpy = dpy;
+ dc.norm[ColBG] = getcolor(&dc, normbgcolor);
+ dc.norm[ColFG] = getcolor(&dc, normfgcolor);
+ dc.sel[ColBG] = getcolor(&dc, selbgcolor);
+ dc.sel[ColFG] = getcolor(&dc, selfgcolor);
+ initfont(&dc, font);
/* menu window */
wa.override_redirect = True;
@@ -531,11 +534,11 @@
DefaultVisual(dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
- drawsetup();
+ setupdraw(&dc, win);
if(maxname)
- cmdw = MIN(textw(maxname), mw / 3);
+ cmdw = MIN(textw(&dc, maxname), mw / 3);
if(prompt)
- promptw = MIN(textw(prompt), mw / 5);
+ promptw = MIN(textw(&dc, prompt), mw / 5);
text[0] = '\0';
match(text);
XMapRaised(dpy, win);
diff -r 7df935c43a12 -r 88aaa094a865 draw.c
--- a/draw.c Thu Jun 24 14:22:34 2010 +0100
+++ b/draw.c Thu Jun 24 16:18:18 2010 +0100
@@ -14,126 +14,123 @@
#define MAX(a, b) ((a) > (b) ? (a) : (b))
/* variables */
-char *progname;
+const char *progname;
void
-drawcleanup(void) {
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
+cleanupdraw(DC *dc) {
+ if(dc->font.set)
+ XFreeFontSet(dc->dpy, dc->font.set);
else
- XFreeFont(dpy, dc.font.xfont);
- XFreePixmap(dpy, dc.drawable);
- XFreeGC(dpy, dc.gc);
+ XFreeFont(dc->dpy, dc->font.xfont);
+ XFreePixmap(dc->dpy, dc->drawable);
+ XFreeGC(dc->dpy, dc->gc);
}
void
-drawsetup(void) {
- /* style */
- dc.norm[ColBG] = getcolor(normbgcolor);
- dc.norm[ColFG] = getcolor(normfgcolor);
- dc.sel[ColBG] = getcolor(selbgcolor);
- dc.sel[ColFG] = getcolor(selfgcolor);
+setupdraw(DC *dc, Window w) {
+ XWindowAttributes wa;
- /* pixmap */
- dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
- dc.gc = XCreateGC(dpy, parent, 0, NULL);
- XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
- if(!dc.font.set)
- XSetFont(dpy, dc.gc, dc.font.xfont->fid);
+ XGetWindowAttributes(dc->dpy, w, &wa);
+ dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height,
+ DefaultDepth(dc->dpy, DefaultScreen(dc->dpy)));
+ dc->gc = XCreateGC(dc->dpy, w, 0, NULL);
+ XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter);
+ if(!dc->font.set)
+ XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid);
}
void
-drawtext(const char *text, unsigned long col[ColLast]) {
+drawtext(DC *dc, const char *text, unsigned long col[ColLast]) {
char buf[256];
int i, x, y, h, len, olen;
- XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+ XRectangle r = { dc->x, dc->y, dc->w, dc->h };
- XSetForeground(dpy, dc.gc, col[ColBG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+ XSetForeground(dc->dpy, dc->gc, col[ColBG]);
+ XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1);
if(!text)
return;
olen = strlen(text);
- h = dc.font.height;
- y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
- x = dc.x + (h / 2);
+ h = dc->font.height;
+ y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent;
+ x = dc->x + (h / 2);
/* shorten text if necessary */
- for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
+ for(len = MIN(olen, sizeof buf); len && textnw(dc, text, len) > dc->w - h; len--);
if(!len)
return;
memcpy(buf, text, len);
if(len < olen)
for(i = len; i && i > len - 3; buf[--i] = '.');
- XSetForeground(dpy, dc.gc, col[ColFG]);
- if(dc.font.set)
- XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
+ XSetForeground(dc->dpy, dc->gc, col[ColFG]);
+ if(dc->font.set)
+ XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len);
else
- XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+ XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len);
}
void
-eprint(const char *errstr, ...) {
+eprint(const char *fmt, ...) {
va_list ap;
fprintf(stderr, "%s: ", progname);
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
unsigned long
-getcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
+getcolor(DC *dc, const char *colstr) {
+ Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy));
XColor color;
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color))
eprint("cannot allocate color '%s'\n", colstr);
return color.pixel;
}
void
-initfont(const char *fontstr) {
+initfont(DC *dc, const char *fontstr) {
char *def, **missing = NULL;
int i, n;
if(!fontstr || !*fontstr)
eprint("cannot load null font\n");
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def);
if(missing)
XFreeStringList(missing);
- if(dc.font.set) {
+ if(dc->font.set) {
XFontStruct **xfonts;
char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ dc->font.ascent = dc->font.descent = 0;
+ n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names);
for(i = 0; i < n; i++) {
- dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
- dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
+ dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent);
+ dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent);
xfonts++;
}
}
else {
- if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
- && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+ if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr))
+ && !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed")))
eprint("cannot load font '%s'\n", fontstr);
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
+ dc->font.ascent = dc->font.xfont->ascent;
+ dc->font.descent = dc->font.xfont->descent;
}
- dc.font.height = dc.font.ascent + dc.font.descent;
+ dc->font.height = dc->font.ascent + dc->font.descent;
}
int
-textnw(const char *text, unsigned int len) {
+textnw(DC *dc, const char *text, unsigned int len) {
XRectangle r;
- if(dc.font.set) {
- XmbTextExtents(dc.font.set, text, len, NULL, &r);
+ if(dc->font.set) {
+ XmbTextExtents(dc->font.set, text, len, NULL, &r);
return r.width;
}
- return XTextWidth(dc.font.xfont, text, len);
+ return XTextWidth(dc->font.xfont, text, len);
}
int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
+textw(DC *dc, const char *text) {
+ return textnw(dc, text, strlen(text)) + dc->font.height;
}
diff -r 7df935c43a12 -r 88aaa094a865 draw.h
--- a/draw.h Thu Jun 24 14:22:34 2010 +0100
+++ b/draw.h Thu Jun 24 16:18:18 2010 +0100
@@ -9,6 +9,7 @@
unsigned long norm[ColLast];
unsigned long sel[ColLast];
Drawable drawable;
+ Display *dpy;
GC gc;
struct {
XFontStruct *xfont;
@@ -20,25 +21,14 @@
} DC; /* draw context */
/* forward declarations */
-void drawcleanup(void);
-void drawsetup(void);
-void drawtext(const char *text, unsigned long col[ColLast]);
-void eprint(const char *errstr, ...);
-unsigned long getcolor(const char *colstr);
-void initfont(const char *fontstr);
-int textnw(const char *text, unsigned int len);
-int textw(const char *text);
+void cleanupdraw(DC *dc);
+void setupdraw(DC *dc, Window w);
+void drawtext(DC *dc, const char *text, unsigned long col[ColLast]);
+void eprint(const char *fmt, ...);
+unsigned long getcolor(DC *dc, const char *colstr);
+void initfont(DC *dc, const char *fontstr);
+int textnw(DC *dc, const char *text, unsigned int len);
+int textw(DC *dc, const char *text);
/* variables */
-extern char *progname;
-extern Display *dpy;
-extern DC dc;
-extern int screen;
-extern unsigned int mw, mh;
-extern Window parent;
-
-extern const char *font;
-extern const char *normbgcolor;
-extern const char *normfgcolor;
-extern const char *selbgcolor;
-extern const char *selfgcolor;
+extern const char *progname;
Received on Thu Jun 24 2010 - 15:18:27 UTC
This archive was generated by hypermail 2.2.0 : Thu Jun 24 2010 - 15:24:04 UTC