Auto-crop notification message in case it's longer than the window

If the scene view is smaller than required for the notification message
we must crop the text and add elipsis to it so it fits, otherwise,
the message will simply disappear.
Fixes T254

diff --git a/Cura/gui/util/openglGui.py b/Cura/gui/util/openglGui.py
index 9679422ff7c9de04b65cbdb04578d49b2497bfd1..de3ad24daee75b51f97824d219d3484b3812bce7 100644 (file)
--- a/Cura/gui/util/openglGui.py
+++ b/Cura/gui/util/openglGui.py
@@ -725,22 +725,45 @@ class glFrame(glGuiContainer):
 class glNotification(glFrame):
        def __init__(self, parent, pos):
                self._anim = None
+               self._previous_base_size = None
                super(glNotification, self).__init__(parent, pos)
                glGuiLayoutGrid(self)._alignBottom = False
-               self._label = glLabel(self, "Notification", (0, 0))
+               self._label_text = "Notification"
+               self._label = glLabel(self, self._label_text, (0, 0))
                self._buttonExtra = glButton(self, 31, "???", (1, 0), self.onExtraButton, 25)
                self._button = glButton(self, 30, "", (2, 0), self.onClose, 25)
                self._padding = glLabel(self, "", (0, 1))
+               self.updateLabelSize()
                self.setHidden(True)
 
        def setSize(self, x, y, w, h):
                w, h = self._layout.getLayoutSize()
                baseSize = self._base.GetSizeTuple()
+               if self._previous_base_size and self._previous_base_size != baseSize:
+                       self.updateLabelSize()
+                       w, h = self._layout.getLayoutSize()
+
                if self._anim is not None:
                        super(glNotification, self).setSize(baseSize[0] / 2 - w / 2, baseSize[1] - self._anim.getPosition() - self._base._buttonSize * 0.2, 1, 1)
                else:
                        super(glNotification, self).setSize(baseSize[0] / 2 - w / 2, baseSize[1] - self._base._buttonSize * 0.2, 1, 1)
 
+       def updateLabelSize(self):
+               self._previous_base_size = self._base.GetSizeTuple()
+               self._label.setLabel(self._label_text)
+               self.updateLayout()
+               w, h = self._layout.getLayoutSize()
+               baseSize = self._base.GetSizeTuple()
+               crop = -1
+               while baseSize[0] < w:
+                       text = self._label_text[:crop]
+                       crop = crop - 1
+                       self._label.setLabel(text + "...")
+                       self.updateLayout()
+                       w, h = self._layout.getLayoutSize()
+                       if len(text) == 0:
+                               break
+
        def draw(self):
                self.setSize(0,0,0,0)
                self.updateLayout()
@@ -749,13 +772,14 @@ class glNotification(glFrame):
        def message(self, text, extraButtonCallback = None, extraButtonIcon = None, extraButtonTooltip = None):
                self._anim = animation(self._base, -20, 25, 1)
                self.setHidden(False)
-               self._label.setLabel(text)
+               self._label_text = text
                self._buttonExtra.setHidden(extraButtonCallback is None)
                self._buttonExtra._imageID = extraButtonIcon
                self._buttonExtra._tooltip = extraButtonTooltip
                self._extraButtonCallback = extraButtonCallback
                self._base._queueRefresh()
-               self.updateLayout()
+               self.updateLabelSize()
+               self.setSize(0,0,0,0)
 
        def onExtraButton(self, button):
                self.onClose(button)