[tor-commits] [arm/release] Improved interaction for graph resizing

[atagar@xxxxxxxxxxxxxx]

commit e0534d9de792dcbba5382cb5cc6f431392b12632
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Sat Jun 11 14:22:47 2011 -0700

    Improved interaction for graph resizing
    
    Rather than using the 'n' and 'm' keys to resize the graph (with was both bad
    and being overwritten by other functions) we now use the 'r' key to enter a
    resizing mode where they can use up/down to resize the graph. This is more
    intuitive and avoids occupying extra hotkeys.
---
 src/cli/graphing/graphPanel.py |   53 ++++++++++++++++++++++++++++------------
 1 files changed, 37 insertions(+), 16 deletions(-)

diff --git a/src/cli/graphing/graphPanel.py b/src/cli/graphing/graphPanel.py
index 5fa1262..0207604 100644
--- a/src/cli/graphing/graphPanel.py
+++ b/src/cli/graphing/graphPanel.py
@@ -21,6 +21,7 @@ import curses
 from TorCtl import TorCtl
 
 import cli.popups
+import cli.controller
 
 from util import enum, panel, torTools, uiTools
 
@@ -261,21 +262,42 @@ class GraphPanel(panel.Panel):
   
   def handleKey(self, key):
     isKeystrokeConsumed = True
-    if key in (ord('n'), ord('N'), ord('m'), ord('M')):
-      # Unfortunately modifier keys don't work with the up/down arrows (sending
-      # multiple keycodes). The only exception to this is shift + left/right,
-      # but for now just gonna use standard characters.
+    if key == ord('r') or key == ord('R'):
+      control = cli.controller.getController()
       
-      if key in (ord('n'), ord('N')):
-        self.setGraphHeight(self.graphHeight - 1)
-      else:
-        # don't grow the graph if it's already consuming the whole display
-        # (plus an extra line for the graph/log gap)
-        maxHeight = self.parent.getmaxyx()[0] - self.top
-        currentHeight = self.getHeight()
-        
-        if currentHeight < maxHeight + 1:
-          self.setGraphHeight(self.graphHeight + 1)
+      panel.CURSES_LOCK.acquire()
+      try:
+        while True:
+          msg = "press the down/up to resize the graph, and enter when done"
+          control.setMsg(msg, curses.A_BOLD, True)
+          curses.cbreak()
+          key = control.getScreen().getch()
+          
+          if key == curses.KEY_DOWN:
+            # don't grow the graph if it's already consuming the whole display
+            # (plus an extra line for the graph/log gap)
+            maxHeight = self.parent.getmaxyx()[0] - self.top
+            currentHeight = self.getHeight()
+            
+            if currentHeight < maxHeight + 1:
+              self.setGraphHeight(self.graphHeight + 1)
+          elif key == curses.KEY_UP:
+            self.setGraphHeight(self.graphHeight - 1)
+          elif uiTools.isSelectionKey(key): break
+          
+          # redraws the resized panels
+          displayPanels = control.getDisplayPanels()
+          
+          occupiedContent = 0
+          for panelImpl in displayPanels:
+            panelImpl.setTop(occupiedContent)
+            occupiedContent += panelImpl.getHeight()
+          
+          for panelImpl in displayPanels:
+            panelImpl.redraw(True)
+      finally:
+        control.setMsg()
+        panel.CURSES_LOCK.release()
     elif key == ord('b') or key == ord('B'):
       # uses the next boundary type
       self.bounds = Bounds.next(self.bounds)
@@ -314,8 +336,7 @@ class GraphPanel(panel.Panel):
     else: graphedStats = "none"
     
     options = []
-    options.append(("m", "increase graph size", None))
-    options.append(("n", "decrease graph size", None))
+    options.append(("r", "resize graph", None))
     options.append(("s", "graphed stats", graphedStats))
     options.append(("b", "graph bounds", self.bounds.lower()))
     options.append(("i", "graph update interval", UPDATE_INTERVALS[self.updateInterval][0]))



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