st

fork of suckless's simple terminal
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commit cfc7acdfd923924ae150a32061fb95987697b159
parent bcb5d3adbe57ead05a829e5144c2ba1dc465865f
Author: Devin J. Pohly <djpohly@gmail.com>
Date:   Wed, 21 Feb 2018 23:54:29 -0600

Move remaining selection mode logic into selextend

The "done" parameter indicates a change which finalizes the selection
(e.g. a mouse button release as opposed to motion).

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>

Diffstat:
Mst.c | 14++++++++++++--
Mst.h | 3+--
Mx.c | 27+++++++++------------------
3 files changed, 22 insertions(+), 22 deletions(-)
diff --git a/st.c b/st.c
@@ -167,11 +167,11 @@ static ssize_t xwrite(int, const char *, size_t);
 
 /* Globals */
 Term term;
-Selection sel;
 int cmdfd;
 pid_t pid;
 int oldbutton   = 3; /* button event on startup: 3 = release */
 
+static Selection sel;
 static CSIEscape csiescseq;
 static STREscape strescseq;
 static int iofd = 1;
@@ -402,9 +402,17 @@ selstart(int col, int row, int snap)
 }
 
 void
-selextend(int col, int row, int type)
+selextend(int col, int row, int type, int done)
 {
     int oldey, oldex, oldsby, oldsey, oldtype;
+
+    if (!sel.mode)
+        return;
+    if (done && sel.mode == SEL_EMPTY) {
+        selclear();
+        return;
+    }
+
     oldey = sel.oe.y;
     oldex = sel.oe.x;
     oldsby = sel.nb.y;
@@ -419,6 +427,8 @@ selextend(int col, int row, int type)
 
     if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type)
         tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
+
+    sel.mode = done ? SEL_IDLE : SEL_READY;
 }
 
 void
diff --git a/st.h b/st.h
@@ -184,7 +184,7 @@ void resettitle(void);
 void selclear(void);
 void selinit(void);
 void selstart(int, int, int);
-void selextend(int, int, int);
+void selextend(int, int, int, int);
 void selnormalize(void);
 int selected(int, int);
 char *getsel(void);
@@ -198,7 +198,6 @@ char *xstrdup(char *);
 
 /* Globals */
 extern Term term;
-extern Selection sel;
 extern int cmdfd;
 extern pid_t pid;
 extern int oldbutton;
diff --git a/x.c b/x.c
@@ -157,7 +157,7 @@ static void selnotify(XEvent *);
 static void selclear_(XEvent *);
 static void selrequest(XEvent *);
 static void setsel(char *, Time);
-static void mousesel(XEvent *);
+static void mousesel(XEvent *, int);
 static void mousereport(XEvent *);
 static char *kmap(KeySym, uint);
 static int match(uint, uint);
@@ -313,7 +313,7 @@ y2row(int y)
 }
 
 void
-mousesel(XEvent *e)
+mousesel(XEvent *e, int done)
 {
     int type, seltype = SEL_REGULAR;
     uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
@@ -324,8 +324,9 @@ mousesel(XEvent *e)
             break;
         }
     }
-
-    selextend(x2col(e->xbutton.x), y2row(e->xbutton.y), seltype);
+    selextend(x2col(e->xbutton.x), y2row(e->xbutton.y), seltype, done);
+    if (done)
+        setsel(getsel(), e->xbutton.time);
 }
 
 void
@@ -630,16 +631,10 @@ brelease(XEvent *e)
         return;
     }
 
-    if (e->xbutton.button == Button2) {
+    if (e->xbutton.button == Button2)
         selpaste(NULL);
-    } else if (e->xbutton.button == Button1) {
-        if (sel.mode == SEL_READY) {
-            mousesel(e);
-            setsel(getsel(), e->xbutton.time);
-        } else
-            selclear_(NULL);
-        sel.mode = SEL_IDLE;
-    }
+    else if (e->xbutton.button == Button1)
+        mousesel(e, 1);
 }
 
 void
@@ -650,11 +645,7 @@ bmotion(XEvent *e)
         return;
     }
 
-    if (!sel.mode)
-        return;
-
-    sel.mode = SEL_READY;
-    mousesel(e);
+    mousesel(e, 0);
 }
 
 void