Changeset b016f17 in sasview for src/sas/qtgui/Plotting

Timestamp:

Mar 28, 2019 9:24:38 AM (6 years ago)

Author:

Piotr Rozyczko <piotr.rozyczko@…>

Branches:

ESS_GUI, ESS_GUI_opencl

Children:

73fb503

Parents:

b8bdbcc

Message:

Resize matplotlib legend with canvas size. SASVIEW-1000

Location:

src/sas/qtgui/Plotting

Files:

• Plotter.py (modified) (3 diffs)
• PlotterBase.py (modified) (2 diffs)

src/sas/qtgui/Plotting/Plotter.py

@@ -19 +19 @@
 import sas.qtgui.Utilities.GuiUtils as GuiUtils
 import sas.qtgui.Plotting.PlotUtilities as PlotUtilities
+
+def _legendResize(width):
+    """
+    resize factor for the legend, based on total canvas width
+    """
+    # The factor 4.0 was chosen to look similar in size/ratio to what we had in 4.x
+    return (width/100.0)+4.0
 
 class PlotterWidget(PlotterBase):
@@ -194 +201 @@
 
         if self.showLegend:
-            self.legend = ax.legend(loc='upper right', shadow=True)
+            width=_legendResize(self.canvas.size().width())
+
+            self.legend = ax.legend(loc='upper right', shadow=True, prop={'size':width})
             if self.legend:
                 self.legend.set_picker(True)
@@ -206 +215 @@
         # refresh canvas
         self.canvas.draw_idle()
+
+    def onResize(self, event):
+        """
+        Resize the legend window/font on canvas resize
+        """
+        width = _legendResize(event.width)
+        # resize the legend to follow the canvas width.
+        self.legend.prop.set_size(width)
 
     def createContextMenu(self):

src/sas/qtgui/Plotting/PlotterBase.py

@@ -111 +111 @@
         self.contextMenu = QtWidgets.QMenu(self)
         self.toolbar = NavigationToolbar(self.canvas, self)
+        cid = self.canvas.mpl_connect('resize_event', self.onResize)
+
         layout.addWidget(self.toolbar)
         if not quickplot:
@@ -244 +246 @@
         raise NotImplementedError("Context menu method must be implemented in derived class.")
 
+    def onResize(self, event):
+        """
+        Redefine default resize event
+        """
+        pass
+
     def contextMenuEvent(self, event):
         """