Added class StrutAppearance (a label with with 0).

Changed minsize to getminsize.

diff --git a/Lib/lib-stdwin/Buttons.py b/Lib/lib-stdwin/Buttons.py
index d991c96a7b56afc22f5ecf663f43329be586a5b3..a218a99bd274b49b4436a0c58d7119d9b58ec30b 100644 (file)
--- a/Lib/lib-stdwin/Buttons.py
+++ b/Lib/lib-stdwin/Buttons.py
@@ -35,12 +35,10 @@ class LabelAppearance():
        #
        # Size enquiry
        #
-       def minsize(self, m):
-               try:
-                       self.text = self.text
-               except NameError:
-                       self.text = ''
-               return m.textwidth(self.text) + 6, m.lineheight() + 6
+       def getminsize(self, (m, (width, height))):
+               width = max(width, m.textwidth(self.text) + 6)
+               height = max(height, m.lineheight() + 6)
+               return width, height
        #
        def getbounds(self):
                return self.bounds
@@ -143,6 +141,16 @@ class LabelAppearance():
                d.invert(self.hilitebounds)
 
 
+# A Strut is a label with no width of its own.
+
+class StrutAppearance() = LabelAppearance():
+       #
+       def getminsize(self, (m, (width, height))):
+               height = max(height, m.lineheight() + 6)
+               return width, height
+       #
+
+
 # ButtonAppearance displays a centered string in a box.
 # selected --> bold border
 # disabled --> crossed out
@@ -167,9 +175,12 @@ class ButtonAppearance() = LabelAppearance():
 #
 class CheckAppearance() = LabelAppearance():
        #
-       def minsize(self, m):
-               width, height = m.textwidth(self.text) + 6, m.lineheight() + 6
-               return width + height + m.textwidth(' '), height
+       def getminsize(self, (m, (width, height))):
+               minwidth = m.textwidth(self.text) + 6
+               minheight = m.lineheight() + 6
+               width = max(width, minwidth + minheight + m.textwidth(' '))
+               height = max(height, minheight)
+               return width, height
        #
        def drawpict(self, d):
                d.box(self.boxbounds)
@@ -393,6 +404,7 @@ def _xorcross(d, bounds):
 # Ready-made button classes.
 #
 class Label() = NoReactivity(), LabelAppearance(), Define(): pass
+class Strut() = NoReactivity(), StrutAppearance(), Define(): pass
 class PushButton() = TriggerReactivity(), ButtonAppearance(), Define(): pass
 class CheckButton() = CheckReactivity(), CheckAppearance(), Define(): pass
 class RadioButton() = RadioReactivity(), RadioAppearance(), Define(): pass

diff --git a/Lib/stdwin/Buttons.py b/Lib/stdwin/Buttons.py
index d991c96a7b56afc22f5ecf663f43329be586a5b3..a218a99bd274b49b4436a0c58d7119d9b58ec30b 100755 (executable)
--- a/Lib/stdwin/Buttons.py
+++ b/Lib/stdwin/Buttons.py
@@ -35,12 +35,10 @@ class LabelAppearance():
        #
        # Size enquiry
        #
-       def minsize(self, m):
-               try:
-                       self.text = self.text
-               except NameError:
-                       self.text = ''
-               return m.textwidth(self.text) + 6, m.lineheight() + 6
+       def getminsize(self, (m, (width, height))):
+               width = max(width, m.textwidth(self.text) + 6)
+               height = max(height, m.lineheight() + 6)
+               return width, height
        #
        def getbounds(self):
                return self.bounds
@@ -143,6 +141,16 @@ class LabelAppearance():
                d.invert(self.hilitebounds)
 
 
+# A Strut is a label with no width of its own.
+
+class StrutAppearance() = LabelAppearance():
+       #
+       def getminsize(self, (m, (width, height))):
+               height = max(height, m.lineheight() + 6)
+               return width, height
+       #
+
+
 # ButtonAppearance displays a centered string in a box.
 # selected --> bold border
 # disabled --> crossed out
@@ -167,9 +175,12 @@ class ButtonAppearance() = LabelAppearance():
 #
 class CheckAppearance() = LabelAppearance():
        #
-       def minsize(self, m):
-               width, height = m.textwidth(self.text) + 6, m.lineheight() + 6
-               return width + height + m.textwidth(' '), height
+       def getminsize(self, (m, (width, height))):
+               minwidth = m.textwidth(self.text) + 6
+               minheight = m.lineheight() + 6
+               width = max(width, minwidth + minheight + m.textwidth(' '))
+               height = max(height, minheight)
+               return width, height
        #
        def drawpict(self, d):
                d.box(self.boxbounds)
@@ -393,6 +404,7 @@ def _xorcross(d, bounds):
 # Ready-made button classes.
 #
 class Label() = NoReactivity(), LabelAppearance(), Define(): pass
+class Strut() = NoReactivity(), StrutAppearance(), Define(): pass
 class PushButton() = TriggerReactivity(), ButtonAppearance(), Define(): pass
 class CheckButton() = CheckReactivity(), CheckAppearance(), Define(): pass
 class RadioButton() = RadioReactivity(), RadioAppearance(), Define(): pass