From b5fbae5f23f040df53bee08406b5b78feada7961 Mon Sep 17 00:00:00 2001
From: moculus <none@none>
Date: Wed, 9 Apr 2008 14:24:27 +0000
Subject: [PATCH] --HG-- branch : pmacs2

---
 bufferlist.py | 131 +++++++++++++++++++-------------------------------
 window.py     |   1 +
 2 files changed, 50 insertions(+), 82 deletions(-)

diff --git a/bufferlist.py b/bufferlist.py
index 9857117..6d40a6c 100644
--- a/bufferlist.py
+++ b/bufferlist.py
@@ -26,93 +26,60 @@ class Slot(object):
         else:
             return None
 
-class VSlot(Slot):
-    size    = 0
-    slots   = []
-    heights = []
-    def __init__(self, height, width, y_offset=0, x_offset=0):
-        self.window = None
-        self.resize(height, width, y_offset, x_offset)
-    def is_empty(self):
-        for slot in self.slots:
-            if not slot.is_empty():
-                return False
-        return True
-    def get_percs(self):
-        return [float(x) / self.height for x in self.heights]
-    def resize(self, height, width, y_offset=0, x_offset=0):
+class Box(object):
+    boxtype = 'box'
+    def _set_hwyx(self, h, w, y, x):
+        self.height   = h
+        self.width    = w
+        self.y_offset = y
+        self.x_offset = x
+    def __init__(self, h, w, y, x):
+        self._set_hwyx(h, w, y, x)
+    def resize(self, h, w, y, x):
+        self._set_hwyx(h, w, y, x)
+
+class VBoxes(Box):
+    boxtype = 'vboxes'
+    def __init__(self, h, w, y, x):
+        Box.__init__(self, h, w, y, x)
+        self.boxes = [Box(h, w, y, x)]
+
+    def rescale(self):
+        n = len(self.boxes)
+
+        # first let's divide the new space based on old proportions
+        oldtotal = sum([box.height for box in self.boxes])
+        newtotal = self.height - len(self.boxes) + 1
+        heights = [None] * n
+        for i in range(0, n):
+            heights[i] = int(float(newtotal * self.boxes[i]) / oldtotal)
+
+        # fix any rounding errors
+        _sum = sum([h for h in heights])
+        if _sum < total:
+            adder = 1
+        else:
+            adder = -1
+        for i in range(0, abs(total - _sum)):
+            heights[i % n] += adder
+
+        # now do it!
+        offset = self.y_offset
+        for i in range(0, n):
+            self.boxes[i].resize(heights[i], self.width, offset, self.x_offset)
+            offset += heights[i] + 1
+
+    def resize(self, height, width, y_offset, x_offset):
         self.height   = height
         self.width    = width
         self.y_offset = y_offset
         self.x_offset = x_offset
-        percs = self.get_percs()
-        self.heights = [int(self.height * p) for p in percs]
-        assert sum(self.heights) <= self.height
-        i = 0
-        while sum(self.heights) < self.height:
-            self.heights[i] += 1
-            i = (i + 1) % self.height
-            self.window.set_size(self.width, self.height)
-        total = 0
-        for i in range(0, self.size):
-            if self.slots[i] is not None:
-                (slot, height) = (self.slots[i], self.heights[i])
-                slot.resize(height, width, y_offset + total, x_offset)
-                total += height
+        self.rescale()
 
-    def add_slot(self):
-        self.size += 1
-        self.slots.append(Slot(self.height, self.width, 0))
-        self.heights.append(0)
-        self.fit_slots()
-        return len(self.slots) - 1
-    def empty_slot(self, i):
-        assert i > -1 and i < len(self.slots), "slot %d does not exist" % i
-        return self.slots[i].is_empty()
-    def unset_slot(self, i):
-        assert i > -1 and i < len(self.slots), "slot %d does not exist" % i
-        old_w = self.slots[i].unset()
-        if old_w is not None:
-            old_b = old_w.buffer
-            if not self.is_buffer_visible(old_b):
-                self.hidden_buffers.insert(0, old_b)
-            if len(old_b.windows) > 1:
-                old_b.remove_window(old_w)
-
-    def set_slot(self, i, b):
-        assert i > -1 and i < len(self.slots), "slot %d does not exist" % i
-        assert b in self.buffers, "buffer %s does not exist" % (b.name())
-        slot = self.slots[i]
-        self.unset_slot(i)
-
-        if b in self.hidden_buffers:
-            self.hidden_buffers.remove(b)
-        if self.is_window_visible(b.windows[0]):
-            app = b.windows[0].application
-            w = window.Window(b, app, height=slot.height, width=slot.width)
-        else:
-            w = b.windows[0]
-        slot.set(w)
-
-    def remove_slot(self, i):
-        assert i > -1 and i < len(self.slots), "slot %d does not exist" % i
-        self.unset_slot(i)
-        del self.slots[i]
-        self.fit_slots()
-
-
-
-    def set(self, i, w):
-        self.window  = w
-        self.resize(self.height, self.width, self.y_offset, self.x_offset)
-        w.set_size(self.width, self.height)
-    def unset(self, i):
-        if not self.is_empty():
-            old_w = self.window
-            self.window = None
-            return old_w
-        else:
-            return None
+    def split_box(self, n):
+        for box in boxes:
+            b.height = 0
+        self.boxes.extend(boxes)
 
 class BufferList(object):
     def __init__(self, height, width, buffers=()):
diff --git a/window.py b/window.py
index f89cda1..269260f 100644
--- a/window.py
+++ b/window.py
@@ -11,6 +11,7 @@ WORD_LETTERS = list(string.letters + string.digits)
 # error. both buffer and window need to be aware of this possibility for points.
 
 class Window(object):
+    boxtype         = 'window'
     margins         = ((80, 'blue'),)
     margins_visible = False
     def __init__(self, b, a, height=24, width=80, mode_name=None):