From ae7b06052a443f3cd2901f4cc468a2d3891f2d80 Mon Sep 17 00:00:00 2001
From: Andrey Golovizin <ag@sologoc.com>
Date: Fri, 12 Sep 2014 13:15:23 +0200
Subject: [PATCH] Add an option to make Bold and Italic buttons mutually
 exclusive.

---
 pixelocr/config.py        |  2 ++
 pixelocr/gui/glyphedit.py | 21 +++++++++++++++++----
 pixelocr/gui/window.py    |  2 +-
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/pixelocr/config.py b/pixelocr/config.py
index 5d54d31..ebb68bb 100644
--- a/pixelocr/config.py
+++ b/pixelocr/config.py
@@ -18,6 +18,8 @@ from confire import Configuration as BaseConfiguration
 
 
 class Configuration(BaseConfiguration):
+    allow_bold_italic = True
+
     min_body_height = 10
 
     diacritic_box_left = -3
diff --git a/pixelocr/gui/glyphedit.py b/pixelocr/gui/glyphedit.py
index 9e8a489..cc0fa76 100644
--- a/pixelocr/gui/glyphedit.py
+++ b/pixelocr/gui/glyphedit.py
@@ -39,9 +39,12 @@ class StyleButton(QToolButton):
 
 class GlyphEdit(QWidget):
     glyphEntered = signal([str, bool, bool])
+    allowBoldItalic = True
+
+    def __init__(self, parent, document):
+        super().__init__(parent)
+        self.document = document
 
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
         self.layout = QHBoxLayout(self)
         self.layout.setSpacing(0)
         self.layout.setContentsMargins(0, 0, 0, 0)
@@ -54,10 +57,10 @@ class GlyphEdit(QWidget):
         self.italic.setText('I')
         self.italic.setShortcut('Ctrl+i')
 
+        self.setAllowBoldItalic(self.document.config.allow_bold_italic)
+
         self.text = QLineEdit(self)
         self.text.returnPressed.connect(self.sendGlyph)
-        self.italic.pressed.connect(self.bold.release)
-        self.bold.pressed.connect(self.italic.release)
 
         self.layout.addWidget(self.bold)
         self.layout.addWidget(self.italic)
@@ -65,3 +68,13 @@ class GlyphEdit(QWidget):
 
     def sendGlyph(self):
         self.glyphEntered.emit(self.text.text(), self.bold.isChecked(), self.italic.isChecked())
+
+    def setAllowBoldItalic(self, allow=True):
+        if not allow and self.allowBoldItalic:
+            self.italic.pressed.connect(self.bold.release)
+            self.bold.pressed.connect(self.italic.release)
+            self.allowBoldItalic = False
+        elif allow and not self.allowBoldItalic:
+            self.italic.pressed.disconnect(self.bold.release)
+            self.bold.pressed.disconnect(self.italic.release)
+            self.allowBoldItalic = True
diff --git a/pixelocr/gui/window.py b/pixelocr/gui/window.py
index e52727f..fa98353 100644
--- a/pixelocr/gui/window.py
+++ b/pixelocr/gui/window.py
@@ -52,7 +52,7 @@ class MainWindow(QMainWindow):
         self.setCentralWidget(centralWidget)
         self.pageScene = PageScene(self)
         self.page = PageView(self.pageScene, centralWidget)
-        self.glyphEdit = GlyphEdit(centralWidget)
+        self.glyphEdit = GlyphEdit(centralWidget, document)
         self.glyphEdit.setEnabled(False)
         self.glyphDBEdit = GlyphDBEdit(self.document.glyphdb)