X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=x.c;h=426ca28b06abc90b605a1643abcb4d15bea16991;hb=d5275012b45149a2a6e94679609aacca478221ad;hp=df2a88c6e53c9a624e920513cb30343614c1529d;hpb=3e44ee5569a81ba6f06e1ecd19bf0ceb1e97f18d;p=st.git

diff --git a/x.c b/x.c
index df2a88c..426ca28 100644
--- a/x.c
+++ b/x.c
@@ -15,13 +15,14 @@
 #include <X11/Xft/Xft.h>
 #include <X11/XKBlib.h>
 
+static char *argv0;
 #include "arg.h"
 
 #define Glyph Glyph_
 #define Font Font_
 
-#include "win.h"
 #include "st.h"
+#include "win.h"
 
 /* XEMBED messages */
 #define XEMBED_FOCUS_IN  4
@@ -87,8 +88,11 @@ static void xdrawglyph(Glyph, int, int);
 static void xclear(int, int, int, int);
 static void xdrawcursor(void);
 static int xgeommasktogravity(int);
+static void xinit(void);
 static int xloadfont(Font *, FcPattern *);
+static void xloadfonts(char *, double);
 static void xunloadfont(Font *);
+static void xunloadfonts(void);
 static void xsetenv(void);
 
 static void expose(XEvent *);
@@ -110,6 +114,9 @@ static void selcopy(Time);
 static void getbuttoninfo(XEvent *);
 static void mousereport(XEvent *);
 
+static void run(void);
+static void usage(void);
+
 static void (*handler[LASTEvent])(XEvent *) = {
 	[KeyPress] = kpress,
 	[ClientMessage] = cmessage,
@@ -159,6 +166,37 @@ typedef struct {
 static Fontcache frc[16];
 static int frclen = 0;
 
+void
+zoom(const Arg *arg)
+{
+	Arg larg;
+
+	larg.f = usedfontsize + arg->f;
+	zoomabs(&larg);
+}
+
+void
+zoomabs(const Arg *arg)
+{
+	xunloadfonts();
+	xloadfonts(usedfont, arg->f);
+	cresize(0, 0);
+	ttyresize();
+	redraw();
+	xhints();
+}
+
+void
+zoomreset(const Arg *arg)
+{
+	Arg larg;
+
+	if (defaultfontsize > 0) {
+		larg.f = defaultfontsize;
+		zoomabs(&larg);
+	}
+}
+
 void
 getbuttoninfo(XEvent *e)
 {
@@ -1698,6 +1736,19 @@ run(void)
 	}
 }
 
+void
+usage(void)
+{
+	die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
+	    " [-n name] [-o file]\n"
+	    "          [-T title] [-t title] [-w windowid]"
+	    " [[-e] command [args ...]]\n"
+	    "       %s [-aiv] [-c class] [-f font] [-g geometry]"
+	    " [-n name] [-o file]\n"
+	    "          [-T title] [-t title] [-w windowid] -l line"
+	    " [stty_args ...]\n", argv0, argv0);
+}
+
 int
 main(int argc, char *argv[])
 {