Enable editting of text

If you tap in a text, that text becomes current and can
be editted or extended.

diff --git a/scribble.py b/scribble.py
index 483443fe5c693f19b088efb3bed2e3a954654ab7..8d13a9149fc36294449665fbe73956d3d344302b 100755 (executable)
--- a/scribble.py
+++ b/scribble.py
@@ -710,6 +710,7 @@ class ScribblePad:
         name.connect("clicked", self.setname)
         self.name = name
         self.page = page
+        self.redbutton = red
         self.line = None
         self.lines = []
         self.hist = [] # undo history
@@ -800,10 +801,31 @@ class ScribblePad:
         if len(self.line) == 2:
             # just set a cursor
             self.flush_text()
-            self.textpos = self.line[1]
-            self.texttoggle.set_sensitive(True)
-            c.window.draw_rectangle(self.colour_textmode, True, int(ev.x),int(ev.y),
-                                    2,2)
+            (lineno,index) = self.find_text(self.line[1])
+            if lineno == None:
+                # new text, 
+                self.textpos = self.line[1]
+                self.texttoggle.set_sensitive(True)
+                c.window.draw_rectangle(self.colour_textmode, True, int(ev.x),int(ev.y),
+                                        2,2)
+                self.line = None
+            else:
+                # clicked inside an old text.
+                # shuffle it to the top, open it, edit.
+                self.texttoggle.set_sensitive(True)
+                self.texttoggle.set_active(True)
+                ln = self.lines[lineno]
+                self.lines = self.lines[:lineno] + self.lines[lineno+1:]
+                self.textpos = ln[1]
+                self.textstr = ln[2]
+                if ln[0] == "red":
+                    self.colour = self.colour_red
+                    self.redbutton.set_active(True)
+                else:
+                    self.colour = self.colour_black
+                    self.redbutton.set_active(False)
+                self.textcurs = index + 1
+                self.redraw()
             self.line = None
             return
         if self.texttoggle.get_active():
@@ -838,6 +860,27 @@ class ScribblePad:
             self.line.append([x,y])
         return
 
+    def find_text(self, pos):
+        x = pos[0]; y = pos[1]
+        for i in range(0, len(self.lines)):
+            p = self.lines[i]
+            if type(p[2]) != str:
+                continue
+            y = pos[1] + self.lineascent
+            if x >= p[1][0] and y >= p[1][1] and y < p[1][1] + self.lineheight:
+                # could be this line - check more precisely
+                layout = self.page.create_pango_layout(p[2])
+                (ink, log) = layout.get_pixel_extents()
+                (ex,ey,ew,eh) = log
+                if x < p[1][0] + ex or x > p[1][0] + ex + ew  or \
+                   y < p[1][1] + ey or \
+                   y > p[1][1] + ey + self.lineheight :
+                    continue
+                # OK, it is in this one.  Find out where.
+                (index, gr) = layout.xy_to_index((x - p[1][0] - ex) * pango.SCALE,
+                                                 (y - p[1][1] - ey - self.lineheight) * pango.SCALE)
+                return (i, index)
+        return (None, None)
     def flush_text(self):
         if self.textstr == None:
             return