From 5e459bf9f762ddb3618ea07e2844ee0d05047aaf Mon Sep 17 00:00:00 2001
From: Youness Alaoui <kakaroto@kakaroto.homelinux.net>
Date: Tue, 27 Oct 2015 16:59:49 -0400
Subject: [PATCH] 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
---
 Cura/gui/util/openglGui.py | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/Cura/gui/util/openglGui.py b/Cura/gui/util/openglGui.py
index 9679422f..de3ad24d 100644
--- 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)
-- 
2.30.2