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>

3 files changed, 22 insertions, 22 deletions

diff --git a/st.c b/st.c
index 21cba9e..b7e215e 100644
--- 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
index c5ff5cf..a34e31c 100644
--- 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
index ddae6b6..a7f619e 100644
--- 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